summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Documentation/core-api/xarray.rst70
-rw-r--r--Documentation/devicetree/bindings/net/fsl-fman.txt13
-rw-r--r--MAINTAINERS8
-rw-r--r--Makefile2
-rw-r--r--arch/arm/boot/dts/am335x-boneblack-common.dtsi5
-rw-r--r--arch/arm/boot/dts/am43x-epos-evm.dts2
-rw-r--r--arch/arm/kernel/hyp-stub.S7
-rw-r--r--arch/powerpc/Kconfig6
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi1
-rw-r--r--arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi1
-rw-r--r--arch/powerpc/include/asm/book3s/64/mmu-hash.h5
-rw-r--r--arch/powerpc/include/asm/xive-regs.h1
-rw-r--r--arch/powerpc/sysdev/xive/common.c15
-rw-r--r--drivers/atm/firestream.c3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c2
-rw-r--r--drivers/gpu/drm/drm_dp_mst_topology.c140
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_busy.c12
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_userptr.c9
-rw-r--r--drivers/gpu/drm/i915/gt/intel_engine_types.h4
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c2
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_drv.c91
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gem.c124
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gem.h41
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c3
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_job.c13
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_job.h1
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_mmu.c61
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_mmu.h6
-rw-r--r--drivers/gpu/drm/panfrost/panfrost_perfcnt.c34
-rw-r--r--drivers/hwmon/adt7475.c5
-rw-r--r--drivers/hwmon/hwmon.c68
-rw-r--r--drivers/hwmon/nct7802.c75
-rw-r--r--drivers/input/evdev.c5
-rw-r--r--drivers/input/misc/keyspan_remote.c9
-rw-r--r--drivers/input/misc/max77650-onkey.c7
-rw-r--r--drivers/input/misc/pm8xxx-vibrator.c2
-rw-r--r--drivers/input/rmi4/rmi_f54.c43
-rw-r--r--drivers/input/rmi4/rmi_smbus.c2
-rw-r--r--drivers/input/tablet/aiptek.c8
-rw-r--r--drivers/input/tablet/gtco.c13
-rw-r--r--drivers/input/tablet/pegasus_notetaker.c2
-rw-r--r--drivers/input/touchscreen/sun4i-ts.c6
-rw-r--r--drivers/input/touchscreen/sur40.c2
-rw-r--r--drivers/iommu/amd_iommu_init.c24
-rw-r--r--drivers/iommu/intel-iommu.c3
-rw-r--r--drivers/leds/leds-as3645a.c3
-rw-r--r--drivers/leds/leds-gpio.c10
-rw-r--r--drivers/leds/leds-lm3532.c3
-rw-r--r--drivers/leds/leds-max77650.c7
-rw-r--r--drivers/leds/leds-rb532.c1
-rw-r--r--drivers/leds/trigger/ledtrig-pattern.c4
-rw-r--r--drivers/mmc/host/sdhci-tegra.c2
-rw-r--r--drivers/mmc/host/sdhci.c10
-rw-r--r--drivers/mmc/host/sdhci_am654.c54
-rw-r--r--drivers/net/can/slcan.c12
-rw-r--r--drivers/net/ethernet/broadcom/genet/bcmgenet.c4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c3
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/l2t.c3
-rw-r--r--drivers/net/ethernet/freescale/fman/fman_memac.c4
-rw-r--r--drivers/net/ethernet/freescale/xgmac_mdio.c7
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_common.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c49
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_tc.c9
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c11
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c1
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c3
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c42
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c16
-rw-r--r--drivers/net/ethernet/natsemi/sonic.c380
-rw-r--r--drivers/net/ethernet/natsemi/sonic.h44
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c1
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c6
-rw-r--r--drivers/net/gtp.c10
-rw-r--r--drivers/net/slip/slip.c12
-rw-r--r--drivers/net/tun.c4
-rw-r--r--drivers/net/usb/lan78xx.c15
-rw-r--r--drivers/net/usb/r8152.c125
-rw-r--r--drivers/net/wireless/cisco/airo.c20
-rw-r--r--drivers/net/wireless/intel/iwlwifi/dvm/tx.c3
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/acpi.c10
-rw-r--r--drivers/net/wireless/intel/iwlwifi/fw/dbg.c7
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-csr.h2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c9
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-drv.c3
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-modparams.h2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c61
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h9
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-trans.c10
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-trans.h26
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/constants.h1
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/fw.c8
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c157
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mvm.h7
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/nvm.c12
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c19
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/scan.c2
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/tx.c21
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c45
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/internal.h19
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/rx.c4
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/trans.c47
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c208
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/tx.c68
-rw-r--r--drivers/net/wireless/marvell/libertas/cfg.c16
-rw-r--r--drivers/net/wireless/mediatek/mt76/airtime.c2
-rw-r--r--drivers/net/wireless/mediatek/mt76/mac80211.c3
-rw-r--r--drivers/pci/quirks.c19
-rw-r--r--drivers/pinctrl/intel/pinctrl-sunrisepoint.c1
-rw-r--r--drivers/tee/optee/Kconfig1
-rw-r--r--fs/btrfs/dev-replace.c5
-rw-r--r--fs/btrfs/scrub.c33
-rw-r--r--fs/ceph/mds_client.c8
-rw-r--r--fs/io_uring.c4
-rw-r--r--fs/readdir.c79
-rw-r--r--fs/reiserfs/xattr.c8
-rw-r--r--include/linux/netdevice.h2
-rw-r--r--include/linux/netfilter/ipset/ip_set.h7
-rw-r--r--include/linux/netfilter/nfnetlink.h2
-rw-r--r--include/linux/xarray.h45
-rw-r--r--include/net/netns/nftables.h1
-rw-r--r--include/trace/events/xen.h6
-rw-r--r--include/uapi/linux/io_uring.h3
-rw-r--r--kernel/power/snapshot.c20
-rw-r--r--kernel/trace/trace.c5
-rw-r--r--kernel/trace/trace_events_hist.c63
-rw-r--r--kernel/trace/trace_events_trigger.c20
-rw-r--r--kernel/trace/trace_kprobe.c2
-rw-r--r--kernel/trace/trace_probe.c8
-rw-r--r--kernel/trace/trace_probe.h9
-rw-r--r--kernel/trace/trace_uprobe.c121
-rw-r--r--lib/strncpy_from_user.c14
-rw-r--r--lib/strnlen_user.c14
-rw-r--r--lib/test_xarray.c78
-rw-r--r--lib/xarray.c41
-rw-r--r--net/atm/proc.c3
-rw-r--r--net/caif/caif_usb.c2
-rw-r--r--net/core/dev.c97
-rw-r--r--net/core/neighbour.c1
-rw-r--r--net/core/rtnetlink.c13
-rw-r--r--net/core/skmsg.c2
-rw-r--r--net/core/utils.c20
-rw-r--r--net/ipv4/esp4_offload.c2
-rw-r--r--net/ipv4/fou.c4
-rw-r--r--net/ipv4/ip_tunnel.c4
-rw-r--r--net/ipv4/ip_vti.c13
-rw-r--r--net/ipv4/route.c1
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_bbr.c3
-rw-r--r--net/ipv4/tcp_input.c1
-rw-r--r--net/ipv4/tcp_output.c1
-rw-r--r--net/ipv4/udp.c3
-rw-r--r--net/ipv6/esp6_offload.c2
-rw-r--r--net/ipv6/ip6_fib.c7
-rw-r--r--net/ipv6/ip6_gre.c3
-rw-r--r--net/ipv6/ip6_tunnel.c4
-rw-r--r--net/ipv6/ip6_vti.c13
-rw-r--r--net/ipv6/seg6_local.c4
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_gen.h2
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ip.c6
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_ipmac.c6
-rw-r--r--net/netfilter/ipset/ip_set_bitmap_port.c6
-rw-r--r--net/netfilter/ipvs/ip_vs_sync.c2
-rw-r--r--net/netfilter/nf_conntrack_proto_sctp.c6
-rw-r--r--net/netfilter/nf_tables_api.c155
-rw-r--r--net/netfilter/nf_tables_offload.c2
-rw-r--r--net/netfilter/nfnetlink.c6
-rw-r--r--net/netfilter/nft_osf.c3
-rw-r--r--net/rose/af_rose.c2
-rw-r--r--net/sched/cls_api.c5
-rw-r--r--net/sched/ematch.c2
-rw-r--r--net/xfrm/xfrm_interface.c34
-rw-r--r--scripts/recordmcount.c17
191 files changed, 2628 insertions, 1088 deletions
diff --git a/Documentation/core-api/xarray.rst b/Documentation/core-api/xarray.rst
index fcedc5349ace..640934b6f7b4 100644
--- a/Documentation/core-api/xarray.rst
+++ b/Documentation/core-api/xarray.rst
@@ -25,10 +25,6 @@ good performance with large indices. If your index can be larger than
``ULONG_MAX`` then the XArray is not the data type for you. The most
important user of the XArray is the page cache.
-Each non-``NULL`` entry in the array has three bits associated with
-it called marks. Each mark may be set or cleared independently of
-the others. You can iterate over entries which are marked.
-
Normal pointers may be stored in the XArray directly. They must be 4-byte
aligned, which is true for any pointer returned from kmalloc() and
alloc_page(). It isn't true for arbitrary user-space pointers,
@@ -41,12 +37,11 @@ When you retrieve an entry from the XArray, you can check whether it is
a value entry by calling xa_is_value(), and convert it back to
an integer by calling xa_to_value().
-Some users want to store tagged pointers instead of using the marks
-described above. They can call xa_tag_pointer() to create an
-entry with a tag, xa_untag_pointer() to turn a tagged entry
-back into an untagged pointer and xa_pointer_tag() to retrieve
-the tag of an entry. Tagged pointers use the same bits that are used
-to distinguish value entries from normal pointers, so each user must
+Some users want to tag the pointers they store in the XArray. You can
+call xa_tag_pointer() to create an entry with a tag, xa_untag_pointer()
+to turn a tagged entry back into an untagged pointer and xa_pointer_tag()
+to retrieve the tag of an entry. Tagged pointers use the same bits that
+are used to distinguish value entries from normal pointers, so you must
decide whether they want to store value entries or tagged pointers in
any particular XArray.
@@ -56,10 +51,9 @@ conflict with value entries or internal entries.
An unusual feature of the XArray is the ability to create entries which
occupy a range of indices. Once stored to, looking up any index in
the range will return the same entry as looking up any other index in
-the range. Setting a mark on one index will set it on all of them.
-Storing to any index will store to all of them. Multi-index entries can
-be explicitly split into smaller entries, or storing ``NULL`` into any
-entry will cause the XArray to forget about the range.
+the range. Storing to any index will store to all of them. Multi-index
+entries can be explicitly split into smaller entries, or storing ``NULL``
+into any entry will cause the XArray to forget about the range.
Normal API
==========
@@ -87,17 +81,11 @@ If you want to only store a new entry to an index if the current entry
at that index is ``NULL``, you can use xa_insert() which
returns ``-EBUSY`` if the entry is not empty.
-You can enquire whether a mark is set on an entry by using
-xa_get_mark(). If the entry is not ``NULL``, you can set a mark
-on it by using xa_set_mark() and remove the mark from an entry by
-calling xa_clear_mark(). You can ask whether any entry in the
-XArray has a particular mark set by calling xa_marked().
-
You can copy entries out of the XArray into a plain array by calling
-xa_extract(). Or you can iterate over the present entries in
-the XArray by calling xa_for_each(). You may prefer to use
-xa_find() or xa_find_after() to move to the next present
-entry in the XArray.
+xa_extract(). Or you can iterate over the present entries in the XArray
+by calling xa_for_each(), xa_for_each_start() or xa_for_each_range().
+You may prefer to use xa_find() or xa_find_after() to move to the next
+present entry in the XArray.
Calling xa_store_range() stores the same entry in a range
of indices. If you do this, some of the other operations will behave
@@ -124,6 +112,31 @@ xa_destroy(). If the XArray entries are pointers, you may wish
to free the entries first. You can do this by iterating over all present
entries in the XArray using the xa_for_each() iterator.
+Search Marks
+------------
+
+Each entry in the array has three bits associated with it called marks.
+Each mark may be set or cleared independently of the others. You can
+iterate over marked entries by using the xa_for_each_marked() iterator.
+
+You can enquire whether a mark is set on an entry by using
+xa_get_mark(). If the entry is not ``NULL``, you can set a mark on it
+by using xa_set_mark() and remove the mark from an entry by calling
+xa_clear_mark(). You can ask whether any entry in the XArray has a
+particular mark set by calling xa_marked(). Erasing an entry from the
+XArray causes all marks associated with that entry to be cleared.
+
+Setting or clearing a mark on any index of a multi-index entry will
+affect all indices covered by that entry. Querying the mark on any
+index will return the same result.
+
+There is no way to iterate over entries which are not marked; the data
+structure does not allow this to be implemented efficiently. There are
+not currently iterators to search for logical combinations of bits (eg
+iterate over all entries which have both ``XA_MARK_1`` and ``XA_MARK_2``
+set, or iterate over all entries which have ``XA_MARK_0`` or ``XA_MARK_2``
+set). It would be possible to add these if a user arises.
+
Allocating XArrays
------------------
@@ -180,6 +193,8 @@ No lock needed:
Takes RCU read lock:
* xa_load()
* xa_for_each()
+ * xa_for_each_start()
+ * xa_for_each_range()
* xa_find()
* xa_find_after()
* xa_extract()
@@ -419,10 +434,9 @@ you last processed. If you have interrupts disabled while iterating,
then it is good manners to pause the iteration and reenable interrupts
every ``XA_CHECK_SCHED`` entries.
-The xas_get_mark(), xas_set_mark() and
-xas_clear_mark() functions require the xa_state cursor to have
-been moved to the appropriate location in the xarray; they will do
-nothing if you have called xas_pause() or xas_set()
+The xas_get_mark(), xas_set_mark() and xas_clear_mark() functions require
+the xa_state cursor to have been moved to the appropriate location in the
+XArray; they will do nothing if you have called xas_pause() or xas_set()
immediately before.
You can call xas_set_update() to have a callback function
diff --git a/Documentation/devicetree/bindings/net/fsl-fman.txt b/Documentation/devicetree/bindings/net/fsl-fman.txt
index 299c0dcd67db..250f8d8cdce4 100644
--- a/Documentation/devicetree/bindings/net/fsl-fman.txt
+++ b/Documentation/devicetree/bindings/net/fsl-fman.txt
@@ -403,6 +403,19 @@ PROPERTIES
The settings and programming routines for internal/external
MDIO are different. Must be included for internal MDIO.
+- fsl,erratum-a011043
+ Usage: optional
+ Value type: <boolean>
+ Definition: Indicates the presence of the A011043 erratum
+ describing that the MDIO_CFG[MDIO_RD_ER] bit may be falsely
+ set when reading internal PCS registers. MDIO reads to
+ internal PCS registers may result in having the
+ MDIO_CFG[MDIO_RD_ER] bit set, even when there is no error and
+ read data (MDIO_DATA[MDIO_DATA]) is correct.
+ Software may get false read error when reading internal
+ PCS registers through MDIO. As a workaround, all internal
+ MDIO accesses should ignore the MDIO_CFG[MDIO_RD_ER] bit.
+
For internal PHY device on internal mdio bus, a PHY node should be created.
See the definition of the PHY node in booting-without-of.txt for an
example of how to define a PHY (Internal PHY has no interrupt line).
diff --git a/MAINTAINERS b/MAINTAINERS
index e7463b46565b..1726b4eb49e5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6198,6 +6198,7 @@ ETHERNET PHY LIBRARY
M: Andrew Lunn <andrew@lunn.ch>
M: Florian Fainelli <f.fainelli@gmail.com>
M: Heiner Kallweit <hkallweit1@gmail.com>
+R: Russell King <linux@armlinux.org.uk>
L: netdev@vger.kernel.org
S: Maintained
F: Documentation/ABI/testing/sysfs-class-net-phydev
@@ -8570,7 +8571,7 @@ S: Maintained
F: drivers/platform/x86/intel-vbtn.c
INTEL WIRELESS 3945ABG/BG, 4965AGN (iwlegacy)
-M: Stanislaw Gruszka <sgruszka@redhat.com>
+M: Stanislaw Gruszka <stf_xl@wp.pl>
L: linux-wireless@vger.kernel.org
S: Supported
F: drivers/net/wireless/intel/iwlegacy/
@@ -11500,6 +11501,7 @@ F: drivers/net/dsa/
NETWORKING [GENERAL]
M: "David S. Miller" <davem@davemloft.net>
+M: Jakub Kicinski <kuba@kernel.org>
L: netdev@vger.kernel.org
W: http://www.linuxfoundation.org/en/Net
Q: http://patchwork.ozlabs.org/project/netdev/list/
@@ -13840,7 +13842,7 @@ S: Maintained
F: arch/mips/ralink
RALINK RT2X00 WIRELESS LAN DRIVER
-M: Stanislaw Gruszka <sgruszka@redhat.com>
+M: Stanislaw Gruszka <stf_xl@wp.pl>
M: Helmut Schaa <helmut.schaa@googlemail.com>
L: linux-wireless@vger.kernel.org
S: Maintained
@@ -16622,7 +16624,7 @@ F: kernel/time/ntp.c
F: tools/testing/selftests/timers/
TIPC NETWORK LAYER
-M: Jon Maloy <jon.maloy@ericsson.com>
+M: Jon Maloy <jmaloy@redhat.com>
M: Ying Xue <ying.xue@windriver.com>
L: netdev@vger.kernel.org (core kernel code)
L: tipc-discussion@lists.sourceforge.net (user apps, general discussion)
diff --git a/Makefile b/Makefile
index 0a7c37dcc5ac..c50ef91f6136 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
VERSION = 5
PATCHLEVEL = 5
SUBLEVEL = 0
-EXTRAVERSION = -rc6
+EXTRAVERSION = -rc7
NAME = Kleptomaniac Octopus
# *DOCUMENTATION*
diff --git a/arch/arm/boot/dts/am335x-boneblack-common.dtsi b/arch/arm/boot/dts/am335x-boneblack-common.dtsi
index 7ad079861efd..91f93bc89716 100644
--- a/arch/arm/boot/dts/am335x-boneblack-common.dtsi
+++ b/arch/arm/boot/dts/am335x-boneblack-common.dtsi
@@ -131,6 +131,11 @@
};
/ {
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x20000000>; /* 512 MB */
+ };
+
clk_mcasp0_fixed: clk_mcasp0_fixed {
#clock-cells = <0>;
compatible = "fixed-clock";
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 078cb473fa7d..a6fbc088daa8 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -848,6 +848,7 @@
pinctrl-names = "default", "sleep";
pinctrl-0 = <&spi0_pins_default>;
pinctrl-1 = <&spi0_pins_sleep>;
+ ti,pindir-d0-out-d1-in = <1>;
};
&spi1 {
@@ -855,6 +856,7 @@
pinctrl-names = "default", "sleep";
pinctrl-0 = <&spi1_pins_default>;
pinctrl-1 = <&spi1_pins_sleep>;
+ ti,pindir-d0-out-d1-in = <1>;
};
&usb2_phy1 {
diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S
index ae5020302de4..6607fa817bba 100644
--- a/arch/arm/kernel/hyp-stub.S
+++ b/arch/arm/kernel/hyp-stub.S
@@ -146,10 +146,9 @@ ARM_BE8(orr r7, r7, #(1 << 25)) @ HSCTLR.EE
#if !defined(ZIMAGE) && defined(CONFIG_ARM_ARCH_TIMER)
@ make CNTP_* and CNTPCT accessible from PL1
mrc p15, 0, r7, c0, c1, 1 @ ID_PFR1
- lsr r7, #16
- and r7, #0xf
- cmp r7, #1
- bne 1f
+ ubfx r7, r7, #16, #4
+ teq r7, #0
+ beq 1f
mrc p15, 4, r7, c14, c1, 0 @ CNTHCTL
orr r7, r7, #3 @ PL1PCEN | PL1PCTEN
mcr p15, 4, r7, c14, c1, 0 @ CNTHCTL
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 1ec34e16ed65..e2a412113359 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -455,11 +455,7 @@ config PPC_TRANSACTIONAL_MEM
config PPC_UV
bool "Ultravisor support"
depends on KVM_BOOK3S_HV_POSSIBLE
- select ZONE_DEVICE
- select DEV_PAGEMAP_OPS
- select DEVICE_PRIVATE
- select MEMORY_HOTPLUG
- select MEMORY_HOTREMOVE
+ depends on DEVICE_PRIVATE
default n
help
This option paravirtualizes the kernel to run in POWER platforms that
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi
index e1a961f05dcd..baa0c503e741 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0-best-effort.dtsi
@@ -63,6 +63,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy0: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi
index c288f3c6c637..93095600e808 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-0.dtsi
@@ -60,6 +60,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy6: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi
index 94f3e7175012..ff4bd38f0645 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1-best-effort.dtsi
@@ -63,6 +63,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy1: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi
index 94a76982d214..1fa38ed6f59e 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-10g-1.dtsi
@@ -60,6 +60,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy7: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi
index b5ff5f71c6b8..a8cc9780c0c4 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-0.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy0: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi
index ee44182c6348..8b8bd70c9382 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-1.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy1: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi
index f05f0d775039..619c880b54d8 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-2.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe5000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy2: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi
index a9114ec51075..d7ebb73a400d 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-3.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe7000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy3: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi
index 44dd00ac7367..b151d696a069 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-4.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe9000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy4: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi
index 5b1b84b58602..adc0ae0013a3 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-0-1g-5.dtsi
@@ -59,6 +59,7 @@ fman@400000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xeb000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy5: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi
index 0e1daaef9e74..435047e0e250 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-0.dtsi
@@ -60,6 +60,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy14: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi
index 68c5ef779266..c098657cca0a 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-10g-1.dtsi
@@ -60,6 +60,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xf3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy15: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi
index 605363cc1117..9d06824815f3 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-0.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe1000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy8: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi
index 1955dfa13634..70e947730c4b 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-1.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe3000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy9: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi
index 2c1476454ee0..ad96e6529595 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-2.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe5000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy10: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi
index b8b541ff5fb0..034bc4b71f7a 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-3.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe7000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy11: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi
index 4b2cfddd1b15..93ca23d82b39 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-4.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xe9000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy12: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi
index 0a52ddf7cc17..23b3117a2fd2 100644
--- a/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi
+++ b/arch/powerpc/boot/dts/fsl/qoriq-fman3-1-1g-5.dtsi
@@ -59,6 +59,7 @@ fman@500000 {
#size-cells = <0>;
compatible = "fsl,fman-memac-mdio", "fsl,fman-xmdio";
reg = <0xeb000 0x1000>;
+ fsl,erratum-a011043; /* must ignore read errors */
pcsphy13: ethernet-phy@0 {
reg = <0x0>;
diff --git a/arch/powerpc/include/asm/book3s/64/mmu-hash.h b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
index 15b75005bc34..3fa1b962dc27 100644
--- a/arch/powerpc/include/asm/book3s/64/mmu-hash.h
+++ b/arch/powerpc/include/asm/book3s/64/mmu-hash.h
@@ -600,8 +600,11 @@ extern void slb_set_size(u16 size);
*
*/
#define MAX_USER_CONTEXT ((ASM_CONST(1) << CONTEXT_BITS) - 2)
+
+// The + 2 accounts for INVALID_REGION and 1 more to avoid overlap with kernel
#define MIN_USER_CONTEXT (MAX_KERNEL_CTX_CNT + MAX_VMALLOC_CTX_CNT + \
- MAX_IO_CTX_CNT + MAX_VMEMMAP_CTX_CNT)
+ MAX_IO_CTX_CNT + MAX_VMEMMAP_CTX_CNT + 2)
+
/*
* For platforms that support on 65bit VA we limit the context bits
*/
diff --git a/arch/powerpc/include/asm/xive-regs.h b/arch/powerpc/include/asm/xive-regs.h
index f2dfcd50a2d3..33aee7490cbb 100644
--- a/arch/powerpc/include/asm/xive-regs.h
+++ b/arch/powerpc/include/asm/xive-regs.h
@@ -39,6 +39,7 @@
#define XIVE_ESB_VAL_P 0x2
#define XIVE_ESB_VAL_Q 0x1
+#define XIVE_ESB_INVALID 0xFF
/*
* Thread Management (aka "TM") registers
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index f5fadbd2533a..9651ca061828 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -972,12 +972,21 @@ static int xive_get_irqchip_state(struct irq_data *data,
enum irqchip_irq_state which, bool *state)
{
struct xive_irq_data *xd = irq_data_get_irq_handler_data(data);
+ u8 pq;
switch (which) {
case IRQCHIP_STATE_ACTIVE:
- *state = !xd->stale_p &&
- (xd->saved_p ||
- !!(xive_esb_read(xd, XIVE_ESB_GET) & XIVE_ESB_VAL_P));
+ pq = xive_esb_read(xd, XIVE_ESB_GET);
+
+ /*
+ * The esb value being all 1's means we couldn't get
+ * the PQ state of the interrupt through mmio. It may
+ * happen, for example when querying a PHB interrupt
+ * while the PHB is in an error state. We consider the
+ * interrupt to be inactive in that case.
+ */
+ *state = (pq != XIVE_ESB_INVALID) && !xd->stale_p &&
+ (xd->saved_p || !!(pq & XIVE_ESB_VAL_P));
return 0;
default:
return -EINVAL;
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index aad00d2b28f5..cc87004d5e2d 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -912,6 +912,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
}
if (!to) {
printk ("No more free channels for FS50..\n");
+ kfree(vcc);
return -EBUSY;
}
vcc->channo = dev->channo;
@@ -922,6 +923,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
if (((DO_DIRECTION(rxtp) && dev->atm_vccs[vcc->channo])) ||
( DO_DIRECTION(txtp) && test_bit (vcc->channo, dev->tx_inuse))) {
printk ("Channel is in use for FS155.\n");
+ kfree(vcc);
return -EBUSY;
}
}
@@ -935,6 +937,7 @@ static int fs_open(struct atm_vcc *atm_vcc)
tc, sizeof (struct fs_transmit_config));
if (!tc) {
fs_dprintk (FS_DEBUG_OPEN, "fs: can't alloc transmit_config.\n");
+ kfree(vcc);
return -ENOMEM;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 01a793a0cbf7..30a1e3ac21d6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1004,7 +1004,7 @@ static const struct pci_device_id pciidlist[] = {
{0x1002, 0x734F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI14},
/* Renoir */
- {0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU|AMD_EXP_HW_SUPPORT},
+ {0x1002, 0x1636, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RENOIR|AMD_IS_APU},
/* Navi12 */
{0x1002, 0x7360, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_NAVI12|AMD_EXP_HW_SUPPORT},
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 5a61a5596912..e6afe4faeca6 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1916,73 +1916,90 @@ static u8 drm_dp_calculate_rad(struct drm_dp_mst_port *port,
return parent_lct + 1;
}
-static int drm_dp_port_set_pdt(struct drm_dp_mst_port *port, u8 new_pdt)
+static bool drm_dp_mst_is_dp_mst_end_device(u8 pdt, bool mcs)
+{
+ switch (pdt) {
+ case DP_PEER_DEVICE_DP_LEGACY_CONV:
+ case DP_PEER_DEVICE_SST_SINK:
+ return true;
+ case DP_PEER_DEVICE_MST_BRANCHING:
+ /* For sst branch device */
+ if (!mcs)
+ return true;
+
+ return false;
+ }
+ return true;
+}
+
+static int
+drm_dp_port_set_pdt(struct drm_dp_mst_port *port, u8 new_pdt,
+ bool new_mcs)
{
struct drm_dp_mst_topology_mgr *mgr = port->mgr;
struct drm_dp_mst_branch *mstb;
u8 rad[8], lct;
int ret = 0;
- if (port->pdt == new_pdt)
+ if (port->pdt == new_pdt && port->mcs == new_mcs)
return 0;
/* Teardown the old pdt, if there is one */
- switch (port->pdt) {
- case DP_PEER_DEVICE_DP_LEGACY_CONV:
- case DP_PEER_DEVICE_SST_SINK:
- /*
- * If the new PDT would also have an i2c bus, don't bother
- * with reregistering it
- */
- if (new_pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
- new_pdt == DP_PEER_DEVICE_SST_SINK) {
- port->pdt = new_pdt;
- return 0;
- }
+ if (port->pdt != DP_PEER_DEVICE_NONE) {
+ if (drm_dp_mst_is_dp_mst_end_device(port->pdt, port->mcs)) {
+ /*
+ * If the new PDT would also have an i2c bus,
+ * don't bother with reregistering it
+ */
+ if (new_pdt != DP_PEER_DEVICE_NONE &&
+ drm_dp_mst_is_dp_mst_end_device(new_pdt, new_mcs)) {
+ port->pdt = new_pdt;
+ port->mcs = new_mcs;
+ return 0;
+ }
- /* remove i2c over sideband */
- drm_dp_mst_unregister_i2c_bus(&port->aux);
- break;
- case DP_PEER_DEVICE_MST_BRANCHING:
- mutex_lock(&mgr->lock);
- drm_dp_mst_topology_put_mstb(port->mstb);
- port->mstb = NULL;
- mutex_unlock(&mgr->lock);
- break;
+ /* remove i2c over sideband */
+ drm_dp_mst_unregister_i2c_bus(&port->aux);
+ } else {
+ mutex_lock(&mgr->lock);
+ drm_dp_mst_topology_put_mstb(port->mstb);
+ port->mstb = NULL;
+ mutex_unlock(&mgr->lock);
+ }
}
port->pdt = new_pdt;
- switch (port->pdt) {
- case DP_PEER_DEVICE_DP_LEGACY_CONV:
- case DP_PEER_DEVICE_SST_SINK:
- /* add i2c over sideband */
- ret = drm_dp_mst_register_i2c_bus(&port->aux);
- break;
+ port->mcs = new_mcs;
- case DP_PEER_DEVICE_MST_BRANCHING:
- lct = drm_dp_calculate_rad(port, rad);
- mstb = drm_dp_add_mst_branch_device(lct, rad);
- if (!mstb) {
- ret = -ENOMEM;
- DRM_ERROR("Failed to create MSTB for port %p", port);
- goto out;
- }
+ if (port->pdt != DP_PEER_DEVICE_NONE) {
+ if (drm_dp_mst_is_dp_mst_end_device(port->pdt, port->mcs)) {
+ /* add i2c over sideband */
+ ret = drm_dp_mst_register_i2c_bus(&port->aux);
+ } else {
+ lct = drm_dp_calculate_rad(port, rad);
+ mstb = drm_dp_add_mst_branch_device(lct, rad);
+ if (!mstb) {
+ ret = -ENOMEM;
+ DRM_ERROR("Failed to create MSTB for port %p",
+ port);
+ goto out;
+ }
- mutex_lock(&mgr->lock);
- port->mstb = mstb;
- mstb->mgr = port->mgr;
- mstb->port_parent = port;
+ mutex_lock(&mgr->lock);
+ port->mstb = mstb;
+ mstb->mgr = port->mgr;
+ mstb->port_parent = port;
- /*
- * Make sure this port's memory allocation stays
- * around until its child MSTB releases it
- */
- drm_dp_mst_get_port_malloc(port);
- mutex_unlock(&mgr->lock);
+ /*
+ * Make sure this port's memory allocation stays
+ * around until its child MSTB releases it
+ */
+ drm_dp_mst_get_port_malloc(port);
+ mutex_unlock(&mgr->lock);
- /* And make sure we send a link address for this */
- ret = 1;
- break;
+ /* And make sure we send a link address for this */
+ ret = 1;
+ }
}
out:
@@ -2135,9 +2152,8 @@ drm_dp_mst_port_add_connector(struct drm_dp_mst_branch *mstb,
goto error;
}
- if ((port->pdt == DP_PEER_DEVICE_DP_LEGACY_CONV ||
- port->pdt == DP_PEER_DEVICE_SST_SINK) &&
- port->port_num >= DP_MST_LOGICAL_PORT_0) {
+ if (port->pdt != DP_PEER_DEVICE_NONE &&
+ drm_dp_mst_is_dp_mst_end_device(port->pdt, port->mcs)) {
port->cached_edid = drm_get_edid(port->connector,
&port->aux.ddc);
drm_connector_set_tile_property(port->connector);
@@ -2201,6 +2217,7 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb,
struct drm_dp_mst_port *port;
int old_ddps = 0, ret;
u8 new_pdt = DP_PEER_DEVICE_NONE;
+ bool new_mcs = 0;
bool created = false, send_link_addr = false, changed = false;
port = drm_dp_get_port(mstb, port_msg->port_number);
@@ -2245,7 +2262,7 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb,
port->input = port_msg->input_port;
if (!port->input)
new_pdt = port_msg->peer_device_type;
- port->mcs = port_msg->mcs;
+ new_mcs = port_msg->mcs;
port->ddps = port_msg->ddps;
port->ldps = port_msg->legacy_device_plug_status;
port->dpcd_rev = port_msg->dpcd_revision;
@@ -2272,7 +2289,7 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb,
}
}
- ret = drm_dp_port_set_pdt(port, new_pdt);
+ ret = drm_dp_port_set_pdt(port, new_pdt, new_mcs);
if (ret == 1) {
send_link_addr = true;
} else if (ret < 0) {
@@ -2286,7 +2303,8 @@ drm_dp_mst_handle_link_address_port(struct drm_dp_mst_branch *mstb,
* we're coming out of suspend. In this case, always resend the link
* address if there's an MSTB on this port
*/
- if (!created && port->pdt == DP_PEER_DEVICE_MST_BRANCHING)
+ if (!created && port->pdt == DP_PEER_DEVICE_MST_BRANCHING &&
+ port->mcs)
send_link_addr = true;
if (port->connector)
@@ -2323,6 +2341,7 @@ drm_dp_mst_handle_conn_stat(struct drm_dp_mst_branch *mstb,
struct drm_dp_mst_port *port;
int old_ddps, old_input, ret, i;
u8 new_pdt;
+ bool new_mcs;
bool dowork = false, create_connector = false;
port = drm_dp_get_port(mstb, conn_stat->port_number);
@@ -2354,7 +2373,6 @@ drm_dp_mst_handle_conn_stat(struct drm_dp_mst_branch *mstb,
old_ddps = port->ddps;
old_input = port->input;
port->input = conn_stat->input_port;
- port->mcs = conn_stat->message_capability_status;
port->ldps = conn_stat->legacy_device_plug_status;
port->ddps = conn_stat->displayport_device_plug_status;
@@ -2367,8 +2385,8 @@ drm_dp_mst_handle_conn_stat(struct drm_dp_mst_branch *mstb,
}
new_pdt = port->input ? DP_PEER_DEVICE_NONE : conn_stat->peer_device_type;
-
- ret = drm_dp_port_set_pdt(port, new_pdt);
+ new_mcs = conn_stat->message_capability_status;
+ ret = drm_dp_port_set_pdt(port, new_pdt, new_mcs);
if (ret == 1) {
dowork = true;
} else if (ret < 0) {
@@ -3929,6 +3947,8 @@ drm_dp_mst_detect_port(struct drm_connector *connector,
switch (port->pdt) {
case DP_PEER_DEVICE_NONE:
case DP_PEER_DEVICE_MST_BRANCHING:
+ if (!port->mcs)
+ ret = connector_status_connected;
break;
case DP_PEER_DEVICE_SST_SINK:
@@ -4541,7 +4561,7 @@ drm_dp_delayed_destroy_port(struct drm_dp_mst_port *port)
if (port->connector)
port->mgr->cbs->destroy_connector(port->mgr, port->connector);
- drm_dp_port_set_pdt(port, DP_PEER_DEVICE_NONE);
+ drm_dp_port_set_pdt(port, DP_PEER_DEVICE_NONE, port->mcs);
drm_dp_mst_put_port_malloc(port);
}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_busy.c b/drivers/gpu/drm/i915/gem/i915_gem_busy.c
index 3d4f5775a4ba..25235ef630c1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_busy.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_busy.c
@@ -9,16 +9,16 @@
#include "i915_gem_ioctls.h"
#include "i915_gem_object.h"
-static __always_inline u32 __busy_read_flag(u8 id)
+static __always_inline u32 __busy_read_flag(u16 id)
{
- if (id == (u8)I915_ENGINE_CLASS_INVALID)
+ if (id == (u16)I915_ENGINE_CLASS_INVALID)
return 0xffff0000u;
GEM_BUG_ON(id >= 16);
return 0x10000u << id;
}
-static __always_inline u32 __busy_write_id(u8 id)
+static __always_inline u32 __busy_write_id(u16 id)
{
/*
* The uABI guarantees an active writer is also amongst the read
@@ -29,14 +29,14 @@ static __always_inline u32 __busy_write_id(u8 id)
* last_read - hence we always set both read and write busy for
* last_write.
*/
- if (id == (u8)I915_ENGINE_CLASS_INVALID)
+ if (id == (u16)I915_ENGINE_CLASS_INVALID)
return 0xffffffffu;
return (id + 1) | __busy_read_flag(id);
}
static __always_inline unsigned int
-__busy_set_if_active(const struct dma_fence *fence, u32 (*flag)(u8 id))
+__busy_set_if_active(const struct dma_fence *fence, u32 (*flag)(u16 id))
{
const struct i915_request *rq;
@@ -57,7 +57,7 @@ __busy_set_if_active(const struct dma_fence *fence, u32 (*flag)(u8 id))
return 0;
/* Beware type-expansion follies! */
- BUILD_BUG_ON(!typecheck(u8, rq->engine->uabi_class));
+ BUILD_BUG_ON(!typecheck(u16, rq->engine->uabi_class));
return flag(rq->engine->uabi_class);
}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index 4c72d74d6576..0dbb44d30885 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -402,7 +402,7 @@ struct get_pages_work {
static struct sg_table *
__i915_gem_userptr_alloc_pages(struct drm_i915_gem_object *obj,
- struct page **pvec, int num_pages)
+ struct page **pvec, unsigned long num_pages)
{
unsigned int max_segment = i915_sg_segment_size();
struct sg_table *st;
@@ -448,9 +448,10 @@ __i915_gem_userptr_get_pages_worker(struct work_struct *_work)
{
struct get_pages_work *work = container_of(_work, typeof(*work), work);
struct drm_i915_gem_object *obj = work->obj;
- const int npages = obj->base.size >> PAGE_SHIFT;
+ const unsigned long npages = obj->base.size >> PAGE_SHIFT;
+ unsigned long pinned;
struct page **pvec;
- int pinned, ret;
+ int ret;
ret = -ENOMEM;
pinned = 0;
@@ -553,7 +554,7 @@ __i915_gem_userptr_get_pages_schedule(struct drm_i915_gem_object *obj)
static int i915_gem_userptr_get_pages(struct drm_i915_gem_object *obj)
{
- const int num_pages = obj->base.size >> PAGE_SHIFT;
+ const unsigned long num_pages = obj->base.size >> PAGE_SHIFT;
struct mm_struct *mm = obj->userptr.mm->mm;
struct page **pvec;
struct sg_table *pages;
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index 17f1f1441efc..2b446474e010 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -274,8 +274,8 @@ struct intel_engine_cs {
u8 class;
u8 instance;
- u8 uabi_class;
- u8 uabi_instance;
+ u16 uabi_class;
+ u16 uabi_instance;
u32 uabi_capabilities;
u32 context_size;
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index c083f516fd35..44727806dfd7 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -1177,6 +1177,7 @@ gen8_ppgtt_insert_pte(struct i915_ppgtt *ppgtt,
pd = i915_pd_entry(pdp, gen8_pd_index(idx, 2));
vaddr = kmap_atomic_px(i915_pt_entry(pd, gen8_pd_index(idx, 1)));
do {
+ GEM_BUG_ON(iter->sg->length < I915_GTT_PAGE_SIZE);
vaddr[gen8_pd_index(idx, 0)] = pte_encode | iter->dma;
iter->dma += I915_GTT_PAGE_SIZE;
@@ -1660,6 +1661,7 @@ static void gen6_ppgtt_insert_entries(struct i915_address_space *vm,
vaddr = kmap_atomic_px(i915_pt_entry(pd, act_pt));
do {
+ GEM_BUG_ON(iter.sg->length < I915_GTT_PAGE_SIZE);
vaddr[act_pte] = pte_encode | GEN6_PTE_ADDR_ENCODE(iter.dma);
iter.dma += I915_GTT_PAGE_SIZE;
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index f61364f7c471..88b431a267af 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -78,8 +78,10 @@ static int panfrost_ioctl_get_param(struct drm_device *ddev, void *data, struct
static int panfrost_ioctl_create_bo(struct drm_device *dev, void *data,
struct drm_file *file)
{
+ struct panfrost_file_priv *priv = file->driver_priv;
struct panfrost_gem_object *bo;
struct drm_panfrost_create_bo *args = data;
+ struct panfrost_gem_mapping *mapping;
if (!args->size || args->pad ||
(args->flags & ~(PANFROST_BO_NOEXEC | PANFROST_BO_HEAP)))
@@ -95,7 +97,14 @@ static int panfrost_ioctl_create_bo(struct drm_device *dev, void *data,
if (IS_ERR(bo))
return PTR_ERR(bo);
- args->offset = bo->node.start << PAGE_SHIFT;
+ mapping = panfrost_gem_mapping_get(bo, priv);
+ if (!mapping) {
+ drm_gem_object_put_unlocked(&bo->base.base);
+ return -EINVAL;
+ }
+
+ args->offset = mapping->mmnode.start << PAGE_SHIFT;
+ panfrost_gem_mapping_put(mapping);
return 0;
}
@@ -119,6 +128,11 @@ panfrost_lookup_bos(struct drm_device *dev,
struct drm_panfrost_submit *args,
struct panfrost_job *job)
{
+ struct panfrost_file_priv *priv = file_priv->driver_priv;
+ struct panfrost_gem_object *bo;
+ unsigned int i;
+ int ret;
+
job->bo_count = args->bo_handle_count;
if (!job->bo_count)
@@ -130,9 +144,32 @@ panfrost_lookup_bos(struct drm_device *dev,
if (!job->implicit_fences)
return -ENOMEM;
- return drm_gem_objects_lookup(file_priv,
- (void __user *)(uintptr_t)args->bo_handles,
- job->bo_count, &job->bos);
+ ret = drm_gem_objects_lookup(file_priv,
+ (void __user *)(uintptr_t)args->bo_handles,
+ job->bo_count, &job->bos);
+ if (ret)
+ return ret;
+
+ job->mappings = kvmalloc_array(job->bo_count,
+ sizeof(struct panfrost_gem_mapping *),
+ GFP_KERNEL | __GFP_ZERO);
+ if (!job->mappings)
+ return -ENOMEM;
+
+ for (i = 0; i < job->bo_count; i++) {
+ struct panfrost_gem_mapping *mapping;
+
+ bo = to_panfrost_bo(job->bos[i]);
+ mapping = panfrost_gem_mapping_get(bo, priv);
+ if (!mapping) {
+ ret = -EINVAL;
+ break;
+ }
+
+ job->mappings[i] = mapping;
+ }
+
+ return ret;
}
/**
@@ -320,7 +357,9 @@ out:
static int panfrost_ioctl_get_bo_offset(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct panfrost_file_priv *priv = file_priv->driver_priv;
struct drm_panfrost_get_bo_offset *args = data;
+ struct panfrost_gem_mapping *mapping;
struct drm_gem_object *gem_obj;
struct panfrost_gem_object *bo;
@@ -331,18 +370,26 @@ static int panfrost_ioctl_get_bo_offset(struct drm_device *dev, void *data,
}
bo = to_panfrost_bo(gem_obj);
- args->offset = bo->node.start << PAGE_SHIFT;
-
+ mapping = panfrost_gem_mapping_get(bo, priv);
drm_gem_object_put_unlocked(gem_obj);
+
+ if (!mapping)
+ return -EINVAL;
+
+ args->offset = mapping->mmnode.start << PAGE_SHIFT;
+ panfrost_gem_mapping_put(mapping);
return 0;
}
static int panfrost_ioctl_madvise(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
+ struct panfrost_file_priv *priv = file_priv->driver_priv;
struct drm_panfrost_madvise *args = data;
struct panfrost_device *pfdev = dev->dev_private;
struct drm_gem_object *gem_obj;
+ struct panfrost_gem_object *bo;
+ int ret = 0;
gem_obj = drm_gem_object_lookup(file_priv, args->handle);
if (!gem_obj) {
@@ -350,22 +397,48 @@ static int panfrost_ioctl_madvise(struct drm_device *dev, void *data,
return -ENOENT;
}
+ bo = to_panfrost_bo(gem_obj);
+
mutex_lock(&pfdev->shrinker_lock);
+ mutex_lock(&bo->mappings.lock);
+ if (args->madv == PANFROST_MADV_DONTNEED) {
+ struct panfrost_gem_mapping *first;
+
+ first = list_first_entry(&bo->mappings.list,
+ struct panfrost_gem_mapping,
+ node);
+
+ /*
+ * If we want to mark the BO purgeable, there must be only one
+ * user: the caller FD.
+ * We could do something smarter and mark the BO purgeable only
+ * when all its users have marked it purgeable, but globally
+ * visible/shared BOs are likely to never be marked purgeable
+ * anyway, so let's not bother.
+ */
+ if (!list_is_singular(&bo->mappings.list) ||
+ WARN_ON_ONCE(first->mmu != &priv->mmu)) {
+ ret = -EINVAL;
+ goto out_unlock_mappings;
+ }
+ }
+
args->retained = drm_gem_shmem_madvise(gem_obj, args->madv);
if (args->retained) {
- struct panfrost_gem_object *bo = to_panfrost_bo(gem_obj);
-
if (args->madv == PANFROST_MADV_DONTNEED)
list_add_tail(&bo->base.madv_list,
&pfdev->shrinker_list);
else if (args->madv == PANFROST_MADV_WILLNEED)
list_del_init(&bo->base.madv_list);
}
+
+out_unlock_mappings:
+ mutex_unlock(&bo->mappings.lock);
mutex_unlock(&pfdev->shrinker_lock);
drm_gem_object_put_unlocked(gem_obj);
- return 0;
+ return ret;
}
int panfrost_unstable_ioctl_check(void)
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c
index fd766b1395fb..17b654e1eb94 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.c
@@ -29,6 +29,12 @@ static void panfrost_gem_free_object(struct drm_gem_object *obj)
list_del_init(&bo->base.madv_list);
mutex_unlock(&pfdev->shrinker_lock);
+ /*
+ * If we still have mappings attached to the BO, there's a problem in
+ * our refcounting.
+ */
+ WARN_ON_ONCE(!list_empty(&bo->mappings.list));
+
if (bo->sgts) {
int i;
int n_sgt = bo->base.base.size / SZ_2M;
@@ -46,6 +52,69 @@ static void panfrost_gem_free_object(struct drm_gem_object *obj)
drm_gem_shmem_free_object(obj);
}
+struct panfrost_gem_mapping *
+panfrost_gem_mapping_get(struct panfrost_gem_object *bo,
+ struct panfrost_file_priv *priv)
+{
+ struct panfrost_gem_mapping *iter, *mapping = NULL;
+
+ mutex_lock(&bo->mappings.lock);
+ list_for_each_entry(iter, &bo->mappings.list, node) {
+ if (iter->mmu == &priv->mmu) {
+ kref_get(&iter->refcount);
+ mapping = iter;
+ break;
+ }
+ }
+ mutex_unlock(&bo->mappings.lock);
+
+ return mapping;
+}
+
+static void
+panfrost_gem_teardown_mapping(struct panfrost_gem_mapping *mapping)
+{
+ struct panfrost_file_priv *priv;
+
+ if (mapping->active)
+ panfrost_mmu_unmap(mapping);
+
+ priv = container_of(mapping->mmu, struct panfrost_file_priv, mmu);
+ spin_lock(&priv->mm_lock);
+ if (drm_mm_node_allocated(&mapping->mmnode))
+ drm_mm_remove_node(&mapping->mmnode);
+ spin_unlock(&priv->mm_lock);
+}
+
+static void panfrost_gem_mapping_release(struct kref *kref)
+{
+ struct panfrost_gem_mapping *mapping;
+
+ mapping = container_of(kref, struct panfrost_gem_mapping, refcount);
+
+ panfrost_gem_teardown_mapping(mapping);
+ drm_gem_object_put_unlocked(&mapping->obj->base.base);
+ kfree(mapping);
+}
+
+void panfrost_gem_mapping_put(struct panfrost_gem_mapping *mapping)
+{
+ if (!mapping)
+ return;
+
+ kref_put(&mapping->refcount, panfrost_gem_mapping_release);
+}
+
+void panfrost_gem_teardown_mappings(struct panfrost_gem_object *bo)
+{
+ struct panfrost_gem_mapping *mapping;
+
+ mutex_lock(&bo->mappings.lock);
+ list_for_each_entry(mapping, &bo->mappings.list, node)
+ panfrost_gem_teardown_mapping(mapping);
+ mutex_unlock(&bo->mappings.lock);
+}
+
int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv)
{
int ret;
@@ -54,6 +123,16 @@ int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv)
struct panfrost_gem_object *bo = to_panfrost_bo(obj);
unsigned long color = bo->noexec ? PANFROST_BO_NOEXEC : 0;
struct panfrost_file_priv *priv = file_priv->driver_priv;
+ struct panfrost_gem_mapping *mapping;
+
+ mapping = kzalloc(sizeof(*mapping), GFP_KERNEL);
+ if (!mapping)
+ return -ENOMEM;
+
+ INIT_LIST_HEAD(&mapping->node);
+ kref_init(&mapping->refcount);
+ drm_gem_object_get(obj);
+ mapping->obj = bo;
/*
* Executable buffers cannot cross a 16MB boundary as the program
@@ -66,37 +145,48 @@ int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv)
else
align = size >= SZ_2M ? SZ_2M >> PAGE_SHIFT : 0;
- bo->mmu = &priv->mmu;
+ mapping->mmu = &priv->mmu;
spin_lock(&priv->mm_lock);
- ret = drm_mm_insert_node_generic(&priv->mm, &bo->node,
+ ret = drm_mm_insert_node_generic(&priv->mm, &mapping->mmnode,
size >> PAGE_SHIFT, align, color, 0);
spin_unlock(&priv->mm_lock);
if (ret)
- return ret;
+ goto err;
if (!bo->is_heap) {
- ret = panfrost_mmu_map(bo);
- if (ret) {
- spin_lock(&priv->mm_lock);
- drm_mm_remove_node(&bo->node);
- spin_unlock(&priv->mm_lock);
- }
+ ret = panfrost_mmu_map(mapping);
+ if (ret)
+ goto err;
}
+
+ mutex_lock(&bo->mappings.lock);
+ WARN_ON(bo->base.madv != PANFROST_MADV_WILLNEED);
+ list_add_tail(&mapping->node, &bo->mappings.list);
+ mutex_unlock(&bo->mappings.lock);
+
+err:
+ if (ret)
+ panfrost_gem_mapping_put(mapping);
return ret;
}
void panfrost_gem_close(struct drm_gem_object *obj, struct drm_file *file_priv)
{
- struct panfrost_gem_object *bo = to_panfrost_bo(obj);
struct panfrost_file_priv *priv = file_priv->driver_priv;
+ struct panfrost_gem_object *bo = to_panfrost_bo(obj);
+ struct panfrost_gem_mapping *mapping = NULL, *iter;
- if (bo->is_mapped)
- panfrost_mmu_unmap(bo);
+ mutex_lock(&bo->mappings.lock);
+ list_for_each_entry(iter, &bo->mappings.list, node) {
+ if (iter->mmu == &priv->mmu) {
+ mapping = iter;
+ list_del(&iter->node);
+ break;
+ }
+ }
+ mutex_unlock(&bo->mappings.lock);
- spin_lock(&priv->mm_lock);
- if (drm_mm_node_allocated(&bo->node))
- drm_mm_remove_node(&bo->node);
- spin_unlock(&priv->mm_lock);
+ panfrost_gem_mapping_put(mapping);
}
static int panfrost_gem_pin(struct drm_gem_object *obj)
@@ -136,6 +226,8 @@ struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t
if (!obj)
return NULL;
+ INIT_LIST_HEAD(&obj->mappings.list);
+ mutex_init(&obj->mappings.lock);
obj->base.base.funcs = &panfrost_gem_funcs;
return &obj->base.base;
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.h b/drivers/gpu/drm/panfrost/panfrost_gem.h
index 4b17e7308764..ca1bc9019600 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem.h
+++ b/drivers/gpu/drm/panfrost/panfrost_gem.h
@@ -13,23 +13,46 @@ struct panfrost_gem_object {
struct drm_gem_shmem_object base;
struct sg_table *sgts;
- struct panfrost_mmu *mmu;
- struct drm_mm_node node;
- bool is_mapped :1;
+ /*
+ * Use a list for now. If searching a mapping ever becomes the
+ * bottleneck, we should consider using an RB-tree, or even better,
+ * let the core store drm_gem_object_mapping entries (where we
+ * could place driver specific data) instead of drm_gem_object ones
+ * in its drm_file->object_idr table.
+ *
+ * struct drm_gem_object_mapping {
+ * struct drm_gem_object *obj;
+ * void *driver_priv;
+ * };
+ */
+ struct {
+ struct list_head list;
+ struct mutex lock;
+ } mappings;
+
bool noexec :1;
bool is_heap :1;
};
+struct panfrost_gem_mapping {
+ struct list_head node;
+ struct kref refcount;
+ struct panfrost_gem_object *obj;
+ struct drm_mm_node mmnode;
+ struct panfrost_mmu *mmu;
+ bool active :1;
+};
+
static inline
struct panfrost_gem_object *to_panfrost_bo(struct drm_gem_object *obj)
{
return container_of(to_drm_gem_shmem_obj(obj), struct panfrost_gem_object, base);
}
-static inline
-struct panfrost_gem_object *drm_mm_node_to_panfrost_bo(struct drm_mm_node *node)
+static inline struct panfrost_gem_mapping *
+drm_mm_node_to_panfrost_mapping(struct drm_mm_node *node)
{
- return container_of(node, struct panfrost_gem_object, node);
+ return container_of(node, struct panfrost_gem_mapping, mmnode);
}
struct drm_gem_object *panfrost_gem_create_object(struct drm_device *dev, size_t size);
@@ -49,6 +72,12 @@ int panfrost_gem_open(struct drm_gem_object *obj, struct drm_file *file_priv);
void panfrost_gem_close(struct drm_gem_object *obj,
struct drm_file *file_priv);
+struct panfrost_gem_mapping *
+panfrost_gem_mapping_get(struct panfrost_gem_object *bo,
+ struct panfrost_file_priv *priv);
+void panfrost_gem_mapping_put(struct panfrost_gem_mapping *mapping);
+void panfrost_gem_teardown_mappings(struct panfrost_gem_object *bo);
+
void panfrost_gem_shrinker_init(struct drm_device *dev);
void panfrost_gem_shrinker_cleanup(struct drm_device *dev);
diff --git a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
index 458f0fa68111..f5dd7b29bc95 100644
--- a/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
+++ b/drivers/gpu/drm/panfrost/panfrost_gem_shrinker.c
@@ -39,11 +39,12 @@ panfrost_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc
static bool panfrost_gem_purge(struct drm_gem_object *obj)
{
struct drm_gem_shmem_object *shmem = to_drm_gem_shmem_obj(obj);
+ struct panfrost_gem_object *bo = to_panfrost_bo(obj);
if (!mutex_trylock(&shmem->pages_lock))
return false;
- panfrost_mmu_unmap(to_panfrost_bo(obj));
+ panfrost_gem_teardown_mappings(bo);
drm_gem_shmem_purge_locked(obj);
mutex_unlock(&shmem->pages_lock);
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.c b/drivers/gpu/drm/panfrost/panfrost_job.c
index d411eb6c8eb9..e364ee00f3d0 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.c
+++ b/drivers/gpu/drm/panfrost/panfrost_job.c
@@ -268,9 +268,20 @@ static void panfrost_job_cleanup(struct kref *ref)
dma_fence_put(job->done_fence);
dma_fence_put(job->render_done_fence);
- if (job->bos) {
+ if (job->mappings) {
for (i = 0; i < job->bo_count; i++)
+ panfrost_gem_mapping_put(job->mappings[i]);
+ kvfree(job->mappings);
+ }
+
+ if (job->bos) {
+ struct panfrost_gem_object *bo;
+
+ for (i = 0; i < job->bo_count; i++) {
+ bo = to_panfrost_bo(job->bos[i]);
drm_gem_object_put_unlocked(job->bos[i]);
+ }
+
kvfree(job->bos);
}
diff --git a/drivers/gpu/drm/panfrost/panfrost_job.h b/drivers/gpu/drm/panfrost/panfrost_job.h
index 62454128a792..bbd3ba97ff67 100644
--- a/drivers/gpu/drm/panfrost/panfrost_job.h
+++ b/drivers/gpu/drm/panfrost/panfrost_job.h
@@ -32,6 +32,7 @@ struct panfrost_job {
/* Exclusive fences we have taken from the BOs to wait for */
struct dma_fence **implicit_fences;
+ struct panfrost_gem_mapping **mappings;
struct drm_gem_object **bos;
u32 bo_count;
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.c b/drivers/gpu/drm/panfrost/panfrost_mmu.c
index a3ed64a1f15e..763cfca886a7 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.c
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.c
@@ -269,14 +269,15 @@ static int mmu_map_sg(struct panfrost_device *pfdev, struct panfrost_mmu *mmu,
return 0;
}
-int panfrost_mmu_map(struct panfrost_gem_object *bo)
+int panfrost_mmu_map(struct panfrost_gem_mapping *mapping)
{
+ struct panfrost_gem_object *bo = mapping->obj;
struct drm_gem_object *obj = &bo->base.base;
struct panfrost_device *pfdev = to_panfrost_device(obj->dev);
struct sg_table *sgt;
int prot = IOMMU_READ | IOMMU_WRITE;
- if (WARN_ON(bo->is_mapped))
+ if (WARN_ON(mapping->active))
return 0;
if (bo->noexec)
@@ -286,25 +287,28 @@ int panfrost_mmu_map(struct panfrost_gem_object *bo)
if (WARN_ON(IS_ERR(sgt)))
return PTR_ERR(sgt);
- mmu_map_sg(pfdev, bo->mmu, bo->node.start << PAGE_SHIFT, prot, sgt);
- bo->is_mapped = true;
+ mmu_map_sg(pfdev, mapping->mmu, mapping->mmnode.start << PAGE_SHIFT,
+ prot, sgt);
+ mapping->active = true;
return 0;
}
-void panfrost_mmu_unmap(struct panfrost_gem_object *bo)
+void panfrost_mmu_unmap(struct panfrost_gem_mapping *mapping)
{
+ struct panfrost_gem_object *bo = mapping->obj;
struct drm_gem_object *obj = &bo->base.base;
struct panfrost_device *pfdev = to_panfrost_device(obj->dev);
- struct io_pgtable_ops *ops = bo->mmu->pgtbl_ops;
- u64 iova = bo->node.start << PAGE_SHIFT;
- size_t len = bo->node.size << PAGE_SHIFT;
+ struct io_pgtable_ops *ops = mapping->mmu->pgtbl_ops;
+ u64 iova = mapping->mmnode.start << PAGE_SHIFT;
+ size_t len = mapping->mmnode.size << PAGE_SHIFT;
size_t unmapped_len = 0;
- if (WARN_ON(!bo->is_mapped))
+ if (WARN_ON(!mapping->active))
return;
- dev_dbg(pfdev->dev, "unmap: as=%d, iova=%llx, len=%zx", bo->mmu->as, iova, len);
+ dev_dbg(pfdev->dev, "unmap: as=%d, iova=%llx, len=%zx",
+ mapping->mmu->as, iova, len);
while (unmapped_len < len) {
size_t unmapped_page;
@@ -318,8 +322,9 @@ void panfrost_mmu_unmap(struct panfrost_gem_object *bo)
unmapped_len += pgsize;
}
- panfrost_mmu_flush_range(pfdev, bo->mmu, bo->node.start << PAGE_SHIFT, len);
- bo->is_mapped = false;
+ panfrost_mmu_flush_range(pfdev, mapping->mmu,
+ mapping->mmnode.start << PAGE_SHIFT, len);
+ mapping->active = false;
}
static void mmu_tlb_inv_context_s1(void *cookie)
@@ -394,10 +399,10 @@ void panfrost_mmu_pgtable_free(struct panfrost_file_priv *priv)
free_io_pgtable_ops(mmu->pgtbl_ops);
}
-static struct panfrost_gem_object *
-addr_to_drm_mm_node(struct panfrost_device *pfdev, int as, u64 addr)
+static struct panfrost_gem_mapping *
+addr_to_mapping(struct panfrost_device *pfdev, int as, u64 addr)
{
- struct panfrost_gem_object *bo = NULL;
+ struct panfrost_gem_mapping *mapping = NULL;
struct panfrost_file_priv *priv;
struct drm_mm_node *node;
u64 offset = addr >> PAGE_SHIFT;
@@ -418,8 +423,9 @@ found_mmu:
drm_mm_for_each_node(node, &priv->mm) {
if (offset >= node->start &&
offset < (node->start + node->size)) {
- bo = drm_mm_node_to_panfrost_bo(node);
- drm_gem_object_get(&bo->base.base);
+ mapping = drm_mm_node_to_panfrost_mapping(node);
+
+ kref_get(&mapping->refcount);
break;
}
}
@@ -427,7 +433,7 @@ found_mmu:
spin_unlock(&priv->mm_lock);
out:
spin_unlock(&pfdev->as_lock);
- return bo;
+ return mapping;
}
#define NUM_FAULT_PAGES (SZ_2M / PAGE_SIZE)
@@ -436,28 +442,30 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
u64 addr)
{
int ret, i;
+ struct panfrost_gem_mapping *bomapping;
struct panfrost_gem_object *bo;
struct address_space *mapping;
pgoff_t page_offset;
struct sg_table *sgt;
struct page **pages;
- bo = addr_to_drm_mm_node(pfdev, as, addr);
- if (!bo)
+ bomapping = addr_to_mapping(pfdev, as, addr);
+ if (!bomapping)
return -ENOENT;
+ bo = bomapping->obj;
if (!bo->is_heap) {
dev_WARN(pfdev->dev, "matching BO is not heap type (GPU VA = %llx)",
- bo->node.start << PAGE_SHIFT);
+ bomapping->mmnode.start << PAGE_SHIFT);
ret = -EINVAL;
goto err_bo;
}
- WARN_ON(bo->mmu->as != as);
+ WARN_ON(bomapping->mmu->as != as);
/* Assume 2MB alignment and size multiple */
addr &= ~((u64)SZ_2M - 1);
page_offset = addr >> PAGE_SHIFT;
- page_offset -= bo->node.start;
+ page_offset -= bomapping->mmnode.start;
mutex_lock(&bo->base.pages_lock);
@@ -509,13 +517,14 @@ static int panfrost_mmu_map_fault_addr(struct panfrost_device *pfdev, int as,
goto err_map;
}
- mmu_map_sg(pfdev, bo->mmu, addr, IOMMU_WRITE | IOMMU_READ | IOMMU_NOEXEC, sgt);
+ mmu_map_sg(pfdev, bomapping->mmu, addr,
+ IOMMU_WRITE | IOMMU_READ | IOMMU_NOEXEC, sgt);
- bo->is_mapped = true;
+ bomapping->active = true;
dev_dbg(pfdev->dev, "mapped page fault @ AS%d %llx", as, addr);
- drm_gem_object_put_unlocked(&bo->base.base);
+ panfrost_gem_mapping_put(bomapping);
return 0;
diff --git a/drivers/gpu/drm/panfrost/panfrost_mmu.h b/drivers/gpu/drm/panfrost/panfrost_mmu.h
index 7c5b6775ae23..44fc2edf63ce 100644
--- a/drivers/gpu/drm/panfrost/panfrost_mmu.h
+++ b/drivers/gpu/drm/panfrost/panfrost_mmu.h
@@ -4,12 +4,12 @@
#ifndef __PANFROST_MMU_H__
#define __PANFROST_MMU_H__
-struct panfrost_gem_object;
+struct panfrost_gem_mapping;
struct panfrost_file_priv;
struct panfrost_mmu;
-int panfrost_mmu_map(struct panfrost_gem_object *bo);
-void panfrost_mmu_unmap(struct panfrost_gem_object *bo);
+int panfrost_mmu_map(struct panfrost_gem_mapping *mapping);
+void panfrost_mmu_unmap(struct panfrost_gem_mapping *mapping);
int panfrost_mmu_init(struct panfrost_device *pfdev);
void panfrost_mmu_fini(struct panfrost_device *pfdev);
diff --git a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c
index 2c04e858c50a..684820448be3 100644
--- a/drivers/gpu/drm/panfrost/panfrost_perfcnt.c
+++ b/drivers/gpu/drm/panfrost/panfrost_perfcnt.c
@@ -25,7 +25,7 @@
#define V4_SHADERS_PER_COREGROUP 4
struct panfrost_perfcnt {
- struct panfrost_gem_object *bo;
+ struct panfrost_gem_mapping *mapping;
size_t bosize;
void *buf;
struct panfrost_file_priv *user;
@@ -49,7 +49,7 @@ static int panfrost_perfcnt_dump_locked(struct panfrost_device *pfdev)
int ret;
reinit_completion(&pfdev->perfcnt->dump_comp);
- gpuva = pfdev->perfcnt->bo->node.start << PAGE_SHIFT;
+ gpuva = pfdev->perfcnt->mapping->mmnode.start << PAGE_SHIFT;
gpu_write(pfdev, GPU_PERFCNT_BASE_LO, gpuva);
gpu_write(pfdev, GPU_PERFCNT_BASE_HI, gpuva >> 32);
gpu_write(pfdev, GPU_INT_CLEAR,
@@ -89,17 +89,22 @@ static int panfrost_perfcnt_enable_locked(struct panfrost_device *pfdev,
if (IS_ERR(bo))
return PTR_ERR(bo);
- perfcnt->bo = to_panfrost_bo(&bo->base);
-
/* Map the perfcnt buf in the address space attached to file_priv. */
- ret = panfrost_gem_open(&perfcnt->bo->base.base, file_priv);
+ ret = panfrost_gem_open(&bo->base, file_priv);
if (ret)
goto err_put_bo;
+ perfcnt->mapping = panfrost_gem_mapping_get(to_panfrost_bo(&bo->base),
+ user);
+ if (!perfcnt->mapping) {
+ ret = -EINVAL;
+ goto err_close_bo;
+ }
+
perfcnt->buf = drm_gem_shmem_vmap(&bo->base);
if (IS_ERR(perfcnt->buf)) {
ret = PTR_ERR(perfcnt->buf);
- goto err_close_bo;
+ goto err_put_mapping;
}
/*
@@ -154,12 +159,17 @@ static int panfrost_perfcnt_enable_locked(struct panfrost_device *pfdev,
if (panfrost_has_hw_issue(pfdev, HW_ISSUE_8186))
gpu_write(pfdev, GPU_PRFCNT_TILER_EN, 0xffffffff);
+ /* The BO ref is retained by the mapping. */
+ drm_gem_object_put_unlocked(&bo->base);
+
return 0;
err_vunmap:
- drm_gem_shmem_vunmap(&perfcnt->bo->base.base, perfcnt->buf);
+ drm_gem_shmem_vunmap(&bo->base, perfcnt->buf);
+err_put_mapping:
+ panfrost_gem_mapping_put(perfcnt->mapping);
err_close_bo:
- panfrost_gem_close(&perfcnt->bo->base.base, file_priv);
+ panfrost_gem_close(&bo->base, file_priv);
err_put_bo:
drm_gem_object_put_unlocked(&bo->base);
return ret;
@@ -182,11 +192,11 @@ static int panfrost_perfcnt_disable_locked(struct panfrost_device *pfdev,
GPU_PERFCNT_CFG_MODE(GPU_PERFCNT_CFG_MODE_OFF));
perfcnt->user = NULL;
- drm_gem_shmem_vunmap(&perfcnt->bo->base.base, perfcnt->buf);
+ drm_gem_shmem_vunmap(&perfcnt->mapping->obj->base.base, perfcnt->buf);
perfcnt->buf = NULL;
- panfrost_gem_close(&perfcnt->bo->base.base, file_priv);
- drm_gem_object_put_unlocked(&perfcnt->bo->base.base);
- perfcnt->bo = NULL;
+ panfrost_gem_close(&perfcnt->mapping->obj->base.base, file_priv);
+ panfrost_gem_mapping_put(perfcnt->mapping);
+ perfcnt->mapping = NULL;
pm_runtime_mark_last_busy(pfdev->dev);
pm_runtime_put_autosuspend(pfdev->dev);
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 6c64d50c9aae..01c2eeb02aa9 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -294,9 +294,10 @@ static inline u16 volt2reg(int channel, long volt, u8 bypass_attn)
long reg;
if (bypass_attn & (1 << channel))
- reg = (volt * 1024) / 2250;
+ reg = DIV_ROUND_CLOSEST(volt * 1024, 2250);
else
- reg = (volt * r[1] * 1024) / ((r[0] + r[1]) * 2250);
+ reg = DIV_ROUND_CLOSEST(volt * r[1] * 1024,
+ (r[0] + r[1]) * 2250);
return clamp_val(reg, 0, 1023) & (0xff << 2);
}
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index 1f3b30b085b9..d018b20089ec 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -51,6 +51,7 @@ struct hwmon_device_attribute {
#define to_hwmon_attr(d) \
container_of(d, struct hwmon_device_attribute, dev_attr)
+#define to_dev_attr(a) container_of(a, struct device_attribute, attr)
/*
* Thermal zone information
@@ -58,7 +59,7 @@ struct hwmon_device_attribute {
* also provides the sensor index.
*/
struct hwmon_thermal_data {
- struct hwmon_device *hwdev; /* Reference to hwmon device */
+ struct device *dev; /* Reference to hwmon device */
int index; /* sensor index */
};
@@ -95,9 +96,27 @@ static const struct attribute_group *hwmon_dev_attr_groups[] = {
NULL
};
+static void hwmon_free_attrs(struct attribute **attrs)
+{
+ int i;
+
+ for (i = 0; attrs[i]; i++) {
+ struct device_attribute *dattr = to_dev_attr(attrs[i]);
+ struct hwmon_device_attribute *hattr = to_hwmon_attr(dattr);
+
+ kfree(hattr);
+ }
+ kfree(attrs);
+}
+
static void hwmon_dev_release(struct device *dev)
{
- kfree(to_hwmon_device(dev));
+ struct hwmon_device *hwdev = to_hwmon_device(dev);
+
+ if (hwdev->group.attrs)
+ hwmon_free_attrs(hwdev->group.attrs);
+ kfree(hwdev->groups);
+ kfree(hwdev);
}
static struct class hwmon_class = {
@@ -119,11 +138,11 @@ static DEFINE_IDA(hwmon_ida);
static int hwmon_thermal_get_temp(void *data, int *temp)
{
struct hwmon_thermal_data *tdata = data;
- struct hwmon_device *hwdev = tdata->hwdev;
+ struct hwmon_device *hwdev = to_hwmon_device(tdata->dev);
int ret;
long t;
- ret = hwdev->chip->ops->read(&hwdev->dev, hwmon_temp, hwmon_temp_input,
+ ret = hwdev->chip->ops->read(tdata->dev, hwmon_temp, hwmon_temp_input,
tdata->index, &t);
if (ret < 0)
return ret;
@@ -137,8 +156,7 @@ static const struct thermal_zone_of_device_ops hwmon_thermal_ops = {
.get_temp = hwmon_thermal_get_temp,
};
-static int hwmon_thermal_add_sensor(struct device *dev,
- struct hwmon_device *hwdev, int index)
+static int hwmon_thermal_add_sensor(struct device *dev, int index)
{
struct hwmon_thermal_data *tdata;
struct thermal_zone_device *tzd;
@@ -147,10 +165,10 @@ static int hwmon_thermal_add_sensor(struct device *dev,
if (!tdata)
return -ENOMEM;
- tdata->hwdev = hwdev;
+ tdata->dev = dev;
tdata->index = index;
- tzd = devm_thermal_zone_of_sensor_register(&hwdev->dev, index, tdata,
+ tzd = devm_thermal_zone_of_sensor_register(dev, index, tdata,
&hwmon_thermal_ops);
/*
* If CONFIG_THERMAL_OF is disabled, this returns -ENODEV,
@@ -162,8 +180,7 @@ static int hwmon_thermal_add_sensor(struct device *dev,
return 0;
}
#else
-static int hwmon_thermal_add_sensor(struct device *dev,
- struct hwmon_device *hwdev, int index)
+static int hwmon_thermal_add_sensor(struct device *dev, int index)
{
return 0;
}
@@ -250,8 +267,7 @@ static bool is_string_attr(enum hwmon_sensor_types type, u32 attr)
(type == hwmon_fan && attr == hwmon_fan_label);
}
-static struct attribute *hwmon_genattr(struct device *dev,
- const void *drvdata,
+static struct attribute *hwmon_genattr(const void *drvdata,
enum hwmon_sensor_types type,
u32 attr,
int index,
@@ -279,7 +295,7 @@ static struct attribute *hwmon_genattr(struct device *dev,
if ((mode & 0222) && !ops->write)
return ERR_PTR(-EINVAL);
- hattr = devm_kzalloc(dev, sizeof(*hattr), GFP_KERNEL);
+ hattr = kzalloc(sizeof(*hattr), GFP_KERNEL);
if (!hattr)
return ERR_PTR(-ENOMEM);
@@ -492,8 +508,7 @@ static int hwmon_num_channel_attrs(const struct hwmon_channel_info *info)
return n;
}
-static int hwmon_genattrs(struct device *dev,
- const void *drvdata,
+static int hwmon_genattrs(const void *drvdata,
struct attribute **attrs,
const struct hwmon_ops *ops,
const struct hwmon_channel_info *info)
@@ -519,7 +534,7 @@ static int hwmon_genattrs(struct device *dev,
attr_mask &= ~BIT(attr);
if (attr >= template_size)
return -EINVAL;
- a = hwmon_genattr(dev, drvdata, info->type, attr, i,
+ a = hwmon_genattr(drvdata, info->type, attr, i,
templates[attr], ops);
if (IS_ERR(a)) {
if (PTR_ERR(a) != -ENOENT)
@@ -533,8 +548,7 @@ static int hwmon_genattrs(struct device *dev,
}
static struct attribute **
-__hwmon_create_attrs(struct device *dev, const void *drvdata,
- const struct hwmon_chip_info *chip)
+__hwmon_create_attrs(const void *drvdata, const struct hwmon_chip_info *chip)
{
int ret, i, aindex = 0, nattrs = 0;
struct attribute **attrs;
@@ -545,15 +559,17 @@ __hwmon_create_attrs(struct device *dev, const void *drvdata,
if (nattrs == 0)
return ERR_PTR(-EINVAL);
- attrs = devm_kcalloc(dev, nattrs + 1, sizeof(*attrs), GFP_KERNEL);
+ attrs = kcalloc(nattrs + 1, sizeof(*attrs), GFP_KERNEL);
if (!attrs)
return ERR_PTR(-ENOMEM);
for (i = 0; chip->info[i]; i++) {
- ret = hwmon_genattrs(dev, drvdata, &attrs[aindex], chip->ops,
+ ret = hwmon_genattrs(drvdata, &attrs[aindex], chip->ops,
chip->info[i]);
- if (ret < 0)
+ if (ret < 0) {
+ hwmon_free_attrs(attrs);
return ERR_PTR(ret);
+ }
aindex += ret;
}
@@ -595,14 +611,13 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
for (i = 0; groups[i]; i++)
ngroups++;
- hwdev->groups = devm_kcalloc(dev, ngroups, sizeof(*groups),
- GFP_KERNEL);
+ hwdev->groups = kcalloc(ngroups, sizeof(*groups), GFP_KERNEL);
if (!hwdev->groups) {
err = -ENOMEM;
goto free_hwmon;
}
- attrs = __hwmon_create_attrs(dev, drvdata, chip);
+ attrs = __hwmon_create_attrs(drvdata, chip);
if (IS_ERR(attrs)) {
err = PTR_ERR(attrs);
goto free_hwmon;
@@ -647,8 +662,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
hwmon_temp_input, j))
continue;
if (info[i]->config[j] & HWMON_T_INPUT) {
- err = hwmon_thermal_add_sensor(dev,
- hwdev, j);
+ err = hwmon_thermal_add_sensor(hdev, j);
if (err) {
device_unregister(hdev);
/*
@@ -667,7 +681,7 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata,
return hdev;
free_hwmon:
- kfree(hwdev);
+ hwmon_dev_release(hdev);
ida_remove:
ida_simple_remove(&hwmon_ida, id);
return ERR_PTR(err);
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index f3dd2a17bd42..2e97e56c72c7 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -23,8 +23,8 @@
static const u8 REG_VOLTAGE[5] = { 0x09, 0x0a, 0x0c, 0x0d, 0x0e };
static const u8 REG_VOLTAGE_LIMIT_LSB[2][5] = {
- { 0x40, 0x00, 0x42, 0x44, 0x46 },
- { 0x3f, 0x00, 0x41, 0x43, 0x45 },
+ { 0x46, 0x00, 0x40, 0x42, 0x44 },
+ { 0x45, 0x00, 0x3f, 0x41, 0x43 },
};
static const u8 REG_VOLTAGE_LIMIT_MSB[5] = { 0x48, 0x00, 0x47, 0x47, 0x48 };
@@ -58,6 +58,8 @@ static const u8 REG_VOLTAGE_LIMIT_MSB_SHIFT[2][5] = {
struct nct7802_data {
struct regmap *regmap;
struct mutex access_lock; /* for multi-byte read and write operations */
+ u8 in_status;
+ struct mutex in_alarm_lock;
};
static ssize_t temp_type_show(struct device *dev,
@@ -368,6 +370,66 @@ static ssize_t in_store(struct device *dev, struct device_attribute *attr,
return err ? : count;
}
+static ssize_t in_alarm_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct sensor_device_attribute_2 *sattr = to_sensor_dev_attr_2(attr);
+ struct nct7802_data *data = dev_get_drvdata(dev);
+ int volt, min, max, ret;
+ unsigned int val;
+
+ mutex_lock(&data->in_alarm_lock);
+
+ /*
+ * The SMI Voltage status register is the only register giving a status
+ * for voltages. A bit is set for each input crossing a threshold, in
+ * both direction, but the "inside" or "outside" limits info is not
+ * available. Also this register is cleared on read.
+ * Note: this is not explicitly spelled out in the datasheet, but
+ * from experiment.
+ * To deal with this we use a status cache with one validity bit and
+ * one status bit for each input. Validity is cleared at startup and
+ * each time the register reports a change, and the status is processed
+ * by software based on current input value and limits.
+ */
+ ret = regmap_read(data->regmap, 0x1e, &val); /* SMI Voltage status */
+ if (ret < 0)
+ goto abort;
+
+ /* invalidate cached status for all inputs crossing a threshold */
+ data->in_status &= ~((val & 0x0f) << 4);
+
+ /* if cached status for requested input is invalid, update it */
+ if (!(data->in_status & (0x10 << sattr->index))) {
+ ret = nct7802_read_voltage(data, sattr->nr, 0);
+ if (ret < 0)
+ goto abort;
+ volt = ret;
+
+ ret = nct7802_read_voltage(data, sattr->nr, 1);
+ if (ret < 0)
+ goto abort;
+ min = ret;
+
+ ret = nct7802_read_voltage(data, sattr->nr, 2);
+ if (ret < 0)
+ goto abort;
+ max = ret;
+
+ if (volt < min || volt > max)
+ data->in_status |= (1 << sattr->index);
+ else
+ data->in_status &= ~(1 << sattr->index);
+
+ data->in_status |= 0x10 << sattr->index;
+ }
+
+ ret = sprintf(buf, "%u\n", !!(data->in_status & (1 << sattr->index)));
+abort:
+ mutex_unlock(&data->in_alarm_lock);
+ return ret;
+}
+
static ssize_t temp_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
@@ -660,7 +722,7 @@ static const struct attribute_group nct7802_temp_group = {
static SENSOR_DEVICE_ATTR_2_RO(in0_input, in, 0, 0);
static SENSOR_DEVICE_ATTR_2_RW(in0_min, in, 0, 1);
static SENSOR_DEVICE_ATTR_2_RW(in0_max, in, 0, 2);
-static SENSOR_DEVICE_ATTR_2_RO(in0_alarm, alarm, 0x1e, 3);
+static SENSOR_DEVICE_ATTR_2_RO(in0_alarm, in_alarm, 0, 3);
static SENSOR_DEVICE_ATTR_2_RW(in0_beep, beep, 0x5a, 3);
static SENSOR_DEVICE_ATTR_2_RO(in1_input, in, 1, 0);
@@ -668,19 +730,19 @@ static SENSOR_DEVICE_ATTR_2_RO(in1_input, in, 1, 0);
static SENSOR_DEVICE_ATTR_2_RO(in2_input, in, 2, 0);
static SENSOR_DEVICE_ATTR_2_RW(in2_min, in, 2, 1);
static SENSOR_DEVICE_ATTR_2_RW(in2_max, in, 2, 2);
-static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, alarm, 0x1e, 0);
+static SENSOR_DEVICE_ATTR_2_RO(in2_alarm, in_alarm, 2, 0);
static SENSOR_DEVICE_ATTR_2_RW(in2_beep, beep, 0x5a, 0);
static SENSOR_DEVICE_ATTR_2_RO(in3_input, in, 3, 0);
static SENSOR_DEVICE_ATTR_2_RW(in3_min, in, 3, 1);
static SENSOR_DEVICE_ATTR_2_RW(in3_max, in, 3, 2);
-static SENSOR_DEVICE_ATTR_2_RO(in3_alarm, alarm, 0x1e, 1);
+static SENSOR_DEVICE_ATTR_2_RO(in3_alarm, in_alarm, 3, 1);
static SENSOR_DEVICE_ATTR_2_RW(in3_beep, beep, 0x5a, 1);
static SENSOR_DEVICE_ATTR_2_RO(in4_input, in, 4, 0);
static SENSOR_DEVICE_ATTR_2_RW(in4_min, in, 4, 1);
static SENSOR_DEVICE_ATTR_2_RW(in4_max, in, 4, 2);
-static SENSOR_DEVICE_ATTR_2_RO(in4_alarm, alarm, 0x1e, 2);
+static SENSOR_DEVICE_ATTR_2_RO(in4_alarm, in_alarm, 4, 2);
static SENSOR_DEVICE_ATTR_2_RW(in4_beep, beep, 0x5a, 2);
static struct attribute *nct7802_in_attrs[] = {
@@ -1011,6 +1073,7 @@ static int nct7802_probe(struct i2c_client *client,
return PTR_ERR(data->regmap);
mutex_init(&data->access_lock);
+ mutex_init(&data->in_alarm_lock);
ret = nct7802_init_chip(data);
if (ret < 0)
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index f918fca9ada3..cb6e3a5f509c 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -484,10 +484,7 @@ static int evdev_open(struct inode *inode, struct file *file)
struct evdev_client *client;
int error;
- client = kzalloc(struct_size(client, buffer, bufsize),
- GFP_KERNEL | __GFP_NOWARN);
- if (!client)
- client = vzalloc(struct_size(client, buffer, bufsize));
+ client = kvzalloc(struct_size(client, buffer, bufsize), GFP_KERNEL);
if (!client)
return -ENOMEM;
diff --git a/drivers/input/misc/keyspan_remote.c b/drivers/input/misc/keyspan_remote.c
index 83368f1e7c4e..4650f4a94989 100644
--- a/drivers/input/misc/keyspan_remote.c
+++ b/drivers/input/misc/keyspan_remote.c
@@ -336,7 +336,8 @@ static int keyspan_setup(struct usb_device* dev)
int retval = 0;
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- 0x11, 0x40, 0x5601, 0x0, NULL, 0, 0);
+ 0x11, 0x40, 0x5601, 0x0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
if (retval) {
dev_dbg(&dev->dev, "%s - failed to set bit rate due to error: %d\n",
__func__, retval);
@@ -344,7 +345,8 @@ static int keyspan_setup(struct usb_device* dev)
}
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- 0x44, 0x40, 0x0, 0x0, NULL, 0, 0);
+ 0x44, 0x40, 0x0, 0x0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
if (retval) {
dev_dbg(&dev->dev, "%s - failed to set resume sensitivity due to error: %d\n",
__func__, retval);
@@ -352,7 +354,8 @@ static int keyspan_setup(struct usb_device* dev)
}
retval = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
- 0x22, 0x40, 0x0, 0x0, NULL, 0, 0);
+ 0x22, 0x40, 0x0, 0x0, NULL, 0,
+ USB_CTRL_SET_TIMEOUT);
if (retval) {
dev_dbg(&dev->dev, "%s - failed to turn receive on due to error: %d\n",
__func__, retval);
diff --git a/drivers/input/misc/max77650-onkey.c b/drivers/input/misc/max77650-onkey.c
index 4d875f2ac13d..ee55f22dbca5 100644
--- a/drivers/input/misc/max77650-onkey.c
+++ b/drivers/input/misc/max77650-onkey.c
@@ -108,9 +108,16 @@ static int max77650_onkey_probe(struct platform_device *pdev)
return input_register_device(onkey->input);
}
+static const struct of_device_id max77650_onkey_of_match[] = {
+ { .compatible = "maxim,max77650-onkey" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, max77650_onkey_of_match);
+
static struct platform_driver max77650_onkey_driver = {
.driver = {
.name = "max77650-onkey",
+ .of_match_table = max77650_onkey_of_match,
},
.probe = max77650_onkey_probe,
};
diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
index ecd762f93732..53ad25eaf1a2 100644
--- a/drivers/input/misc/pm8xxx-vibrator.c
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -90,7 +90,7 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on)
if (regs->enable_mask)
rc = regmap_update_bits(vib->regmap, regs->enable_addr,
- on ? regs->enable_mask : 0, val);
+ regs->enable_mask, on ? ~0 : 0);
return rc;
}
diff --git a/drivers/input/rmi4/rmi_f54.c b/drivers/input/rmi4/rmi_f54.c
index 0bc01cfc2b51..6b23e679606e 100644
--- a/drivers/input/rmi4/rmi_f54.c
+++ b/drivers/input/rmi4/rmi_f54.c
@@ -24,6 +24,12 @@
#define F54_NUM_TX_OFFSET 1
#define F54_NUM_RX_OFFSET 0
+/*
+ * The smbus protocol can read only 32 bytes max at a time.
+ * But this should be fine for i2c/spi as well.
+ */
+#define F54_REPORT_DATA_SIZE 32
+
/* F54 commands */
#define F54_GET_REPORT 1
#define F54_FORCE_CAL 2
@@ -526,6 +532,7 @@ static void rmi_f54_work(struct work_struct *work)
int report_size;
u8 command;
int error;
+ int i;
report_size = rmi_f54_get_report_size(f54);
if (report_size == 0) {
@@ -558,23 +565,27 @@ static void rmi_f54_work(struct work_struct *work)
rmi_dbg(RMI_DEBUG_FN, &fn->dev, "Get report command completed, reading data\n");
- fifo[0] = 0;
- fifo[1] = 0;
- error = rmi_write_block(fn->rmi_dev,
- fn->fd.data_base_addr + F54_FIFO_OFFSET,
- fifo, sizeof(fifo));
- if (error) {
- dev_err(&fn->dev, "Failed to set fifo start offset\n");
- goto abort;
- }
+ for (i = 0; i < report_size; i += F54_REPORT_DATA_SIZE) {
+ int size = min(F54_REPORT_DATA_SIZE, report_size - i);
+
+ fifo[0] = i & 0xff;
+ fifo[1] = i >> 8;
+ error = rmi_write_block(fn->rmi_dev,
+ fn->fd.data_base_addr + F54_FIFO_OFFSET,
+ fifo, sizeof(fifo));
+ if (error) {
+ dev_err(&fn->dev, "Failed to set fifo start offset\n");
+ goto abort;
+ }
- error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr +
- F54_REPORT_DATA_OFFSET, f54->report_data,
- report_size);
- if (error) {
- dev_err(&fn->dev, "%s: read [%d bytes] returned %d\n",
- __func__, report_size, error);
- goto abort;
+ error = rmi_read_block(fn->rmi_dev, fn->fd.data_base_addr +
+ F54_REPORT_DATA_OFFSET,
+ f54->report_data + i, size);
+ if (error) {
+ dev_err(&fn->dev, "%s: read [%d bytes] returned %d\n",
+ __func__, size, error);
+ goto abort;
+ }
}
abort:
diff --git a/drivers/input/rmi4/rmi_smbus.c b/drivers/input/rmi4/rmi_smbus.c
index b313c579914f..2407ea43de59 100644
--- a/drivers/input/rmi4/rmi_smbus.c
+++ b/drivers/input/rmi4/rmi_smbus.c
@@ -163,6 +163,7 @@ static int rmi_smb_write_block(struct rmi_transport_dev *xport, u16 rmiaddr,
/* prepare to write next block of bytes */
cur_len -= SMB_MAX_COUNT;
databuff += SMB_MAX_COUNT;
+ rmiaddr += SMB_MAX_COUNT;
}
exit:
mutex_unlock(&rmi_smb->page_mutex);
@@ -214,6 +215,7 @@ static int rmi_smb_read_block(struct rmi_transport_dev *xport, u16 rmiaddr,
/* prepare to read next block of bytes */
cur_len -= SMB_MAX_COUNT;
databuff += SMB_MAX_COUNT;
+ rmiaddr += SMB_MAX_COUNT;
}
retval = 0;
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 2ca586fb914f..e08b0ef078e8 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1713,7 +1713,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
aiptek->inputdev = inputdev;
aiptek->intf = intf;
- aiptek->ifnum = intf->altsetting[0].desc.bInterfaceNumber;
+ aiptek->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
aiptek->inDelay = 0;
aiptek->endDelay = 0;
aiptek->previousJitterable = 0;
@@ -1802,14 +1802,14 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
/* Verify that a device really has an endpoint */
- if (intf->altsetting[0].desc.bNumEndpoints < 1) {
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
dev_err(&intf->dev,
"interface has %d endpoints, but must have minimum 1\n",
- intf->altsetting[0].desc.bNumEndpoints);
+ intf->cur_altsetting->desc.bNumEndpoints);
err = -EINVAL;
goto fail3;
}
- endpoint = &intf->altsetting[0].endpoint[0].desc;
+ endpoint = &intf->cur_altsetting->endpoint[0].desc;
/* Go set up our URB, which is called when the tablet receives
* input.
diff --git a/drivers/input/tablet/gtco.c b/drivers/input/tablet/gtco.c
index 35031228a6d0..96d65575f75a 100644
--- a/drivers/input/tablet/gtco.c
+++ b/drivers/input/tablet/gtco.c
@@ -875,18 +875,14 @@ static int gtco_probe(struct usb_interface *usbinterface,
}
/* Sanity check that a device has an endpoint */
- if (usbinterface->altsetting[0].desc.bNumEndpoints < 1) {
+ if (usbinterface->cur_altsetting->desc.bNumEndpoints < 1) {
dev_err(&usbinterface->dev,
"Invalid number of endpoints\n");
error = -EINVAL;
goto err_free_urb;
}
- /*
- * The endpoint is always altsetting 0, we know this since we know
- * this device only has one interrupt endpoint
- */
- endpoint = &usbinterface->altsetting[0].endpoint[0].desc;
+ endpoint = &usbinterface->cur_altsetting->endpoint[0].desc;
/* Some debug */
dev_dbg(&usbinterface->dev, "gtco # interfaces: %d\n", usbinterface->num_altsetting);
@@ -896,7 +892,8 @@ static int gtco_probe(struct usb_interface *usbinterface,
if (usb_endpoint_xfer_int(endpoint))
dev_dbg(&usbinterface->dev, "endpoint: we have interrupt endpoint\n");
- dev_dbg(&usbinterface->dev, "endpoint extra len:%d\n", usbinterface->altsetting[0].extralen);
+ dev_dbg(&usbinterface->dev, "interface extra len:%d\n",
+ usbinterface->cur_altsetting->extralen);
/*
* Find the HID descriptor so we can find out the size of the
@@ -973,8 +970,6 @@ static int gtco_probe(struct usb_interface *usbinterface,
input_dev->dev.parent = &usbinterface->dev;
/* Setup the URB, it will be posted later on open of input device */
- endpoint = &usbinterface->altsetting[0].endpoint[0].desc;
-
usb_fill_int_urb(gtco->urbinfo,
udev,
usb_rcvintpipe(udev,
diff --git a/drivers/input/tablet/pegasus_notetaker.c b/drivers/input/tablet/pegasus_notetaker.c
index a1f3a0cb197e..38f087404f7a 100644
--- a/drivers/input/tablet/pegasus_notetaker.c
+++ b/drivers/input/tablet/pegasus_notetaker.c
@@ -275,7 +275,7 @@ static int pegasus_probe(struct usb_interface *intf,
return -ENODEV;
/* Sanity check that the device has an endpoint */
- if (intf->altsetting[0].desc.bNumEndpoints < 1) {
+ if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
dev_err(&intf->dev, "Invalid number of endpoints\n");
return -EINVAL;
}
diff --git a/drivers/input/touchscreen/sun4i-ts.c b/drivers/input/touchscreen/sun4i-ts.c
index 0af0fe8c40d7..742a7e96c1b5 100644
--- a/drivers/input/touchscreen/sun4i-ts.c
+++ b/drivers/input/touchscreen/sun4i-ts.c
@@ -237,6 +237,7 @@ static int sun4i_ts_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct device *hwmon;
+ struct thermal_zone_device *thermal;
int error;
u32 reg;
bool ts_attached;
@@ -355,7 +356,10 @@ static int sun4i_ts_probe(struct platform_device *pdev)
if (IS_ERR(hwmon))
return PTR_ERR(hwmon);
- devm_thermal_zone_of_sensor_register(ts->dev, 0, ts, &sun4i_ts_tz_ops);
+ thermal = devm_thermal_zone_of_sensor_register(ts->dev, 0, ts,
+ &sun4i_ts_tz_ops);
+ if (IS_ERR(thermal))
+ return PTR_ERR(thermal);
writel(TEMP_IRQ_EN(1), ts->base + TP_INT_FIFOC);
diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c
index 1dd47dda71cd..34d31c7ec8ba 100644
--- a/drivers/input/touchscreen/sur40.c
+++ b/drivers/input/touchscreen/sur40.c
@@ -661,7 +661,7 @@ static int sur40_probe(struct usb_interface *interface,
int error;
/* Check if we really have the right interface. */
- iface_desc = &interface->altsetting[0];
+ iface_desc = interface->cur_altsetting;
if (iface_desc->desc.bInterfaceClass != 0xFF)
return -ENODEV;
diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
index 568c52317757..483f7bc379fa 100644
--- a/drivers/iommu/amd_iommu_init.c
+++ b/drivers/iommu/amd_iommu_init.c
@@ -1655,27 +1655,39 @@ static int iommu_pc_get_set_reg(struct amd_iommu *iommu, u8 bank, u8 cntr,
static void init_iommu_perf_ctr(struct amd_iommu *iommu)
{
struct pci_dev *pdev = iommu->dev;
- u64 val = 0xabcd, val2 = 0;
+ u64 val = 0xabcd, val2 = 0, save_reg = 0;
if (!iommu_feature(iommu, FEATURE_PC))
return;
amd_iommu_pc_present = true;
+ /* save the value to restore, if writable */
+ if (iommu_pc_get_set_reg(iommu, 0, 0, 0, &save_reg, false))
+ goto pc_false;
+
/* Check if the performance counters can be written to */
if ((iommu_pc_get_set_reg(iommu, 0, 0, 0, &val, true)) ||
(iommu_pc_get_set_reg(iommu, 0, 0, 0, &val2, false)) ||
- (val != val2)) {
- pci_err(pdev, "Unable to write to IOMMU perf counter.\n");
- amd_iommu_pc_present = false;
- return;
- }
+ (val != val2))
+ goto pc_false;
+
+ /* restore */
+ if (iommu_pc_get_set_reg(iommu, 0, 0, 0, &save_reg, true))
+ goto pc_false;
pci_info(pdev, "IOMMU performance counters supported\n");
val = readl(iommu->mmio_base + MMIO_CNTR_CONF_OFFSET);
iommu->max_banks = (u8) ((val >> 12) & 0x3f);
iommu->max_counters = (u8) ((val >> 7) & 0xf);
+
+ return;
+
+pc_false:
+ pci_err(pdev, "Unable to read/write to IOMMU perf counter.\n");
+ amd_iommu_pc_present = false;
+ return;
}
static ssize_t amd_iommu_show_cap(struct device *dev,
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 1801f0aaf013..932267f49f9a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -5163,7 +5163,8 @@ static void dmar_remove_one_dev_info(struct device *dev)
spin_lock_irqsave(&device_domain_lock, flags);
info = dev->archdata.iommu;
- if (info)
+ if (info && info != DEFER_DEVICE_DOMAIN_INFO
+ && info != DUMMY_DEVICE_DOMAIN_INFO)
__dmar_remove_one_dev_info(info);
spin_unlock_irqrestore(&device_domain_lock, flags);
}
diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index b7e0ae1af8fa..e8922fa03379 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -493,16 +493,17 @@ static int as3645a_parse_node(struct as3645a *flash,
switch (id) {
case AS_LED_FLASH:
flash->flash_node = child;
+ fwnode_handle_get(child);
break;
case AS_LED_INDICATOR:
flash->indicator_node = child;
+ fwnode_handle_get(child);
break;
default:
dev_warn(&flash->client->dev,
"unknown LED %u encountered, ignoring\n", id);
break;
}
- fwnode_handle_get(child);
}
if (!flash->flash_node) {
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index a5c73f3d5f79..2bf74595610f 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -151,9 +151,14 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
struct gpio_led led = {};
const char *state = NULL;
+ /*
+ * Acquire gpiod from DT with uninitialized label, which
+ * will be updated after LED class device is registered,
+ * Only then the final LED name is known.
+ */
led.gpiod = devm_fwnode_get_gpiod_from_child(dev, NULL, child,
GPIOD_ASIS,
- led.name);
+ NULL);
if (IS_ERR(led.gpiod)) {
fwnode_handle_put(child);
return ERR_CAST(led.gpiod);
@@ -186,6 +191,9 @@ static struct gpio_leds_priv *gpio_leds_create(struct platform_device *pdev)
fwnode_handle_put(child);
return ERR_PTR(ret);
}
+ /* Set gpiod label to match the corresponding LED name. */
+ gpiod_set_consumer_name(led_dat->gpiod,
+ led_dat->cdev.dev->kobj.name);
priv->num_leds++;
}
diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c
index 0507c6575c08..491268bb34a7 100644
--- a/drivers/leds/leds-lm3532.c
+++ b/drivers/leds/leds-lm3532.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
// TI LM3532 LED driver
// Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+// http://www.ti.com/lit/ds/symlink/lm3532.pdf
#include <linux/i2c.h>
#include <linux/leds.h>
@@ -623,7 +624,7 @@ static int lm3532_parse_node(struct lm3532_data *priv)
led->num_leds = fwnode_property_count_u32(child, "led-sources");
if (led->num_leds > LM3532_MAX_LED_STRINGS) {
- dev_err(&priv->client->dev, "To many LED string defined\n");
+ dev_err(&priv->client->dev, "Too many LED string defined\n");
continue;
}
diff --git a/drivers/leds/leds-max77650.c b/drivers/leds/leds-max77650.c
index 4c2d0b3c6dad..a0d4b725c917 100644
--- a/drivers/leds/leds-max77650.c
+++ b/drivers/leds/leds-max77650.c
@@ -135,9 +135,16 @@ err_node_put:
return rv;
}
+static const struct of_device_id max77650_led_of_match[] = {
+ { .compatible = "maxim,max77650-led" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, max77650_led_of_match);
+
static struct platform_driver max77650_led_driver = {
.driver = {
.name = "max77650-led",
+ .of_match_table = max77650_led_of_match,
},
.probe = max77650_led_probe,
};
diff --git a/drivers/leds/leds-rb532.c b/drivers/leds/leds-rb532.c
index db5af83f0cec..b6447c1721b4 100644
--- a/drivers/leds/leds-rb532.c
+++ b/drivers/leds/leds-rb532.c
@@ -21,7 +21,6 @@ static void rb532_led_set(struct led_classdev *cdev,
{
if (brightness)
set_latch_u5(LO_ULED, 0);
-
else
set_latch_u5(0, LO_ULED);
}
diff --git a/drivers/leds/trigger/ledtrig-pattern.c b/drivers/leds/trigger/ledtrig-pattern.c
index 718729c89440..3abcafe46278 100644
--- a/drivers/leds/trigger/ledtrig-pattern.c
+++ b/drivers/leds/trigger/ledtrig-pattern.c
@@ -455,7 +455,7 @@ static void __exit pattern_trig_exit(void)
module_init(pattern_trig_init);
module_exit(pattern_trig_exit);
-MODULE_AUTHOR("Raphael Teysseyre <rteysseyre@gmail.com");
-MODULE_AUTHOR("Baolin Wang <baolin.wang@linaro.org");
+MODULE_AUTHOR("Raphael Teysseyre <rteysseyre@gmail.com>");
+MODULE_AUTHOR("Baolin Wang <baolin.wang@linaro.org>");
MODULE_DESCRIPTION("LED Pattern trigger");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index 7bc950520fd9..403ac44a7378 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -386,7 +386,7 @@ static void tegra_sdhci_reset(struct sdhci_host *host, u8 mask)
misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_DDR50;
if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR104)
misc_ctrl |= SDHCI_MISC_CTRL_ENABLE_SDR104;
- if (soc_data->nvquirks & SDHCI_MISC_CTRL_ENABLE_SDR50)
+ if (soc_data->nvquirks & NVQUIRK_ENABLE_SDR50)
clk_ctrl |= SDHCI_CLOCK_CTRL_SDR50_TUNING_OVERRIDE;
}
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 1b1c26da3fe0..659a9459ace3 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3913,11 +3913,13 @@ int sdhci_setup_host(struct sdhci_host *host)
if (host->ops->get_min_clock)
mmc->f_min = host->ops->get_min_clock(host);
else if (host->version >= SDHCI_SPEC_300) {
- if (host->clk_mul) {
- mmc->f_min = (host->max_clk * host->clk_mul) / 1024;
+ if (host->clk_mul)
max_clk = host->max_clk * host->clk_mul;
- } else
- mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
+ /*
+ * Divided Clock Mode minimum clock rate is always less than
+ * Programmable Clock Mode minimum clock rate.
+ */
+ mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300;
} else
mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200;
diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
index b8e897e31e2e..b8fe94fd9525 100644
--- a/drivers/mmc/host/sdhci_am654.c
+++ b/drivers/mmc/host/sdhci_am654.c
@@ -240,6 +240,35 @@ static void sdhci_am654_write_b(struct sdhci_host *host, u8 val, int reg)
writeb(val, host->ioaddr + reg);
}
+static int sdhci_am654_execute_tuning(struct mmc_host *mmc, u32 opcode)
+{
+ struct sdhci_host *host = mmc_priv(mmc);
+ int err = sdhci_execute_tuning(mmc, opcode);
+
+ if (err)
+ return err;
+ /*
+ * Tuning data remains in the buffer after tuning.
+ * Do a command and data reset to get rid of it
+ */
+ sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
+
+ return 0;
+}
+
+static u32 sdhci_am654_cqhci_irq(struct sdhci_host *host, u32 intmask)
+{
+ int cmd_error = 0;
+ int data_error = 0;
+
+ if (!sdhci_cqe_irq(host, intmask, &cmd_error, &data_error))
+ return intmask;
+
+ cqhci_irq(host->mmc, intmask, cmd_error, data_error);
+
+ return 0;
+}
+
static struct sdhci_ops sdhci_am654_ops = {
.get_max_clock = sdhci_pltfm_clk_get_max_clock,
.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
@@ -248,13 +277,13 @@ static struct sdhci_ops sdhci_am654_ops = {
.set_power = sdhci_am654_set_power,
.set_clock = sdhci_am654_set_clock,
.write_b = sdhci_am654_write_b,
+ .irq = sdhci_am654_cqhci_irq,
.reset = sdhci_reset,
};
static const struct sdhci_pltfm_data sdhci_am654_pdata = {
.ops = &sdhci_am654_ops,
- .quirks = SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
- SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+ .quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
@@ -263,19 +292,6 @@ static const struct sdhci_am654_driver_data sdhci_am654_drvdata = {
.flags = IOMUX_PRESENT | FREQSEL_2_BIT | STRBSEL_4_BIT | DLL_PRESENT,
};
-static u32 sdhci_am654_cqhci_irq(struct sdhci_host *host, u32 intmask)
-{
- int cmd_error = 0;
- int data_error = 0;
-
- if (!sdhci_cqe_irq(host, intmask, &cmd_error, &data_error))
- return intmask;
-
- cqhci_irq(host->mmc, intmask, cmd_error, data_error);
-
- return 0;
-}
-
static struct sdhci_ops sdhci_j721e_8bit_ops = {
.get_max_clock = sdhci_pltfm_clk_get_max_clock,
.get_timeout_clock = sdhci_pltfm_clk_get_max_clock,
@@ -290,8 +306,7 @@ static struct sdhci_ops sdhci_j721e_8bit_ops = {
static const struct sdhci_pltfm_data sdhci_j721e_8bit_pdata = {
.ops = &sdhci_j721e_8bit_ops,
- .quirks = SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
- SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+ .quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
@@ -314,8 +329,7 @@ static struct sdhci_ops sdhci_j721e_4bit_ops = {
static const struct sdhci_pltfm_data sdhci_j721e_4bit_pdata = {
.ops = &sdhci_j721e_4bit_ops,
- .quirks = SDHCI_QUIRK_INVERTED_WRITE_PROTECT |
- SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+ .quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
@@ -549,6 +563,8 @@ static int sdhci_am654_probe(struct platform_device *pdev)
goto pm_runtime_put;
}
+ host->mmc_host_ops.execute_tuning = sdhci_am654_execute_tuning;
+
ret = sdhci_am654_init(host);
if (ret)
goto pm_runtime_put;
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 2e57122f02fb..2f5c287eac95 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -344,9 +344,16 @@ static void slcan_transmit(struct work_struct *work)
*/
static void slcan_write_wakeup(struct tty_struct *tty)
{
- struct slcan *sl = tty->disc_data;
+ struct slcan *sl;
+
+ rcu_read_lock();
+ sl = rcu_dereference(tty->disc_data);
+ if (!sl)
+ goto out;
schedule_work(&sl->tx_work);
+out:
+ rcu_read_unlock();
}
/* Send a can_frame to a TTY queue. */
@@ -644,10 +651,11 @@ static void slcan_close(struct tty_struct *tty)
return;
spin_lock_bh(&sl->lock);
- tty->disc_data = NULL;
+ rcu_assign_pointer(tty->disc_data, NULL);
sl->tty = NULL;
spin_unlock_bh(&sl->lock);
+ synchronize_rcu();
flush_work(&sl->tx_work);
/* Flush network side */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 013959285a61..e50a15397e11 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -2157,8 +2157,8 @@ static void bcmgenet_init_tx_ring(struct bcmgenet_priv *priv,
DMA_END_ADDR);
/* Initialize Tx NAPI */
- netif_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll,
- NAPI_POLL_WEIGHT);
+ netif_tx_napi_add(priv->dev, &ring->napi, bcmgenet_tx_poll,
+ NAPI_POLL_WEIGHT);
}
/* Initialize a RDMA ring */
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index 58f89f6a040f..97ff8608f0ab 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -2448,6 +2448,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
if (!is_offload(adapter))
return -EOPNOTSUPP;
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
if (!(adapter->flags & FULL_INIT_DONE))
return -EIO; /* need the memory controllers */
if (copy_from_user(&t, useraddr, sizeof(t)))
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index ee3aab563b1d..9d1f2f88b945 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -70,8 +70,7 @@ static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = seq_tab_get_idx(seq->private, *pos + 1);
- if (v)
- ++*pos;
+ ++(*pos);
return v;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
index e9e45006632d..1a16449e9deb 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
@@ -678,8 +678,7 @@ static void *l2t_seq_start(struct seq_file *seq, loff_t *pos)
static void *l2t_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = l2t_get_idx(seq, *pos);
- if (v)
- ++*pos;
+ ++(*pos);
return v;
}
diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index 41c6fa200e74..e1901874c19f 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -110,7 +110,7 @@ do { \
/* Interface Mode Register (IF_MODE) */
#define IF_MODE_MASK 0x00000003 /* 30-31 Mask on i/f mode bits */
-#define IF_MODE_XGMII 0x00000000 /* 30-31 XGMII (10G) interface */
+#define IF_MODE_10G 0x00000000 /* 30-31 10G interface */
#define IF_MODE_GMII 0x00000002 /* 30-31 GMII (1G) interface */
#define IF_MODE_RGMII 0x00000004
#define IF_MODE_RGMII_AUTO 0x00008000
@@ -440,7 +440,7 @@ static int init(struct memac_regs __iomem *regs, struct memac_cfg *cfg,
tmp = 0;
switch (phy_if) {
case PHY_INTERFACE_MODE_XGMII:
- tmp |= IF_MODE_XGMII;
+ tmp |= IF_MODE_10G;
break;
default:
tmp |= IF_MODE_GMII;
diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index e03b30c60dcf..c82c85ef5fb3 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -49,6 +49,7 @@ struct tgec_mdio_controller {
struct mdio_fsl_priv {
struct tgec_mdio_controller __iomem *mdio_base;
bool is_little_endian;
+ bool has_a011043;
};
static u32 xgmac_read32(void __iomem *regs,
@@ -226,7 +227,8 @@ static int xgmac_mdio_read(struct mii_bus *bus, int phy_id, int regnum)
return ret;
/* Return all Fs if nothing was there */
- if (xgmac_read32(&regs->mdio_stat, endian) & MDIO_STAT_RD_ER) {
+ if ((xgmac_read32(&regs->mdio_stat, endian) & MDIO_STAT_RD_ER) &&
+ !priv->has_a011043) {
dev_err(&bus->dev,
"Error while reading PHY%d reg at %d.%hhu\n",
phy_id, dev_addr, regnum);
@@ -274,6 +276,9 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
priv->is_little_endian = of_property_read_bool(pdev->dev.of_node,
"little-endian");
+ priv->has_a011043 = of_property_read_bool(pdev->dev.of_node,
+ "fsl,erratum-a011043");
+
ret = of_mdiobus_register(bus, np);
if (ret) {
dev_err(&pdev->dev, "cannot register MDIO bus\n");
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index d4055037af89..45b90eb11adb 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -1113,7 +1113,7 @@ i40e_status i40e_read_pba_string(struct i40e_hw *hw, u8 *pba_num,
*/
pba_size--;
if (pba_num_size < (((u32)pba_size * 2) + 1)) {
- hw_dbg(hw, "Buffer to small for PBA data.\n");
+ hw_dbg(hw, "Buffer too small for PBA data.\n");
return I40E_ERR_PARAM;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 778dab1af8fc..f260dd96873b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -180,7 +180,7 @@ mlx5e_ktls_tx_post_param_wqes(struct mlx5e_txqsq *sq,
struct tx_sync_info {
u64 rcd_sn;
- s32 sync_len;
+ u32 sync_len;
int nr_frags;
skb_frag_t frags[MAX_SKB_FRAGS];
};
@@ -193,13 +193,14 @@ enum mlx5e_ktls_sync_retval {
static enum mlx5e_ktls_sync_retval
tx_sync_info_get(struct mlx5e_ktls_offload_context_tx *priv_tx,
- u32 tcp_seq, struct tx_sync_info *info)
+ u32 tcp_seq, int datalen, struct tx_sync_info *info)
{
struct tls_offload_context_tx *tx_ctx = priv_tx->tx_ctx;
enum mlx5e_ktls_sync_retval ret = MLX5E_KTLS_SYNC_DONE;
struct tls_record_info *record;
int remaining, i = 0;
unsigned long flags;
+ bool ends_before;
spin_lock_irqsave(&tx_ctx->lock, flags);
record = tls_get_record(tx_ctx, tcp_seq, &info->rcd_sn);
@@ -209,9 +210,21 @@ tx_sync_info_get(struct mlx5e_ktls_offload_context_tx *priv_tx,
goto out;
}
- if (unlikely(tcp_seq < tls_record_start_seq(record))) {
- ret = tls_record_is_start_marker(record) ?
- MLX5E_KTLS_SYNC_SKIP_NO_DATA : MLX5E_KTLS_SYNC_FAIL;
+ /* There are the following cases:
+ * 1. packet ends before start marker: bypass offload.
+ * 2. packet starts before start marker and ends after it: drop,
+ * not supported, breaks contract with kernel.
+ * 3. packet ends before tls record info starts: drop,
+ * this packet was already acknowledged and its record info
+ * was released.
+ */
+ ends_before = before(tcp_seq + datalen, tls_record_start_seq(record));
+
+ if (unlikely(tls_record_is_start_marker(record))) {
+ ret = ends_before ? MLX5E_KTLS_SYNC_SKIP_NO_DATA : MLX5E_KTLS_SYNC_FAIL;
+ goto out;
+ } else if (ends_before) {
+ ret = MLX5E_KTLS_SYNC_FAIL;
goto out;
}
@@ -337,7 +350,7 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx,
u8 num_wqebbs;
int i = 0;
- ret = tx_sync_info_get(priv_tx, seq, &info);
+ ret = tx_sync_info_get(priv_tx, seq, datalen, &info);
if (unlikely(ret != MLX5E_KTLS_SYNC_DONE)) {
if (ret == MLX5E_KTLS_SYNC_SKIP_NO_DATA) {
stats->tls_skip_no_sync_data++;
@@ -351,14 +364,6 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx,
goto err_out;
}
- if (unlikely(info.sync_len < 0)) {
- if (likely(datalen <= -info.sync_len))
- return MLX5E_KTLS_SYNC_DONE;
-
- stats->tls_drop_bypass_req++;
- goto err_out;
- }
-
stats->tls_ooo++;
tx_post_resync_params(sq, priv_tx, info.rcd_sn);
@@ -378,8 +383,6 @@ mlx5e_ktls_tx_handle_ooo(struct mlx5e_ktls_offload_context_tx *priv_tx,
if (unlikely(contig_wqebbs_room < num_wqebbs))
mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
- tx_post_resync_params(sq, priv_tx, info.rcd_sn);
-
for (; i < info.nr_frags; i++) {
unsigned int orig_fsz, frag_offset = 0, n = 0;
skb_frag_t *f = &info.frags[i];
@@ -455,12 +458,18 @@ struct sk_buff *mlx5e_ktls_handle_tx_skb(struct net_device *netdev,
enum mlx5e_ktls_sync_retval ret =
mlx5e_ktls_tx_handle_ooo(priv_tx, sq, datalen, seq);
- if (likely(ret == MLX5E_KTLS_SYNC_DONE))
+ switch (ret) {
+ case MLX5E_KTLS_SYNC_DONE:
*wqe = mlx5e_sq_fetch_wqe(sq, sizeof(**wqe), pi);
- else if (ret == MLX5E_KTLS_SYNC_FAIL)
+ break;
+ case MLX5E_KTLS_SYNC_SKIP_NO_DATA:
+ if (likely(!skb->decrypted))
+ goto out;
+ WARN_ON_ONCE(1);
+ /* fall-through */
+ default: /* MLX5E_KTLS_SYNC_FAIL */
goto err_out;
- else /* ret == MLX5E_KTLS_SYNC_SKIP_NO_DATA */
- goto out;
+ }
}
priv_tx->expected_seq = seq + datalen;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
index 4f184c770a45..915afb2a9b18 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -4084,6 +4084,13 @@ static int apply_police_params(struct mlx5e_priv *priv, u32 rate,
u32 rate_mbps;
int err;
+ vport_num = rpriv->rep->vport;
+ if (vport_num >= MLX5_VPORT_ECPF) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Ingress rate limit is supported only for Eswitch ports connected to VFs");
+ return -EOPNOTSUPP;
+ }
+
esw = priv->mdev->priv.eswitch;
/* rate is given in bytes/sec.
* First convert to bits/sec and then round to the nearest mbit/secs.
@@ -4092,8 +4099,6 @@ static int apply_police_params(struct mlx5e_priv *priv, u32 rate,
* 1 mbit/sec.
*/
rate_mbps = rate ? max_t(u32, (rate * 8 + 500000) / 1000000, 1) : 0;
- vport_num = rpriv->rep->vport;
-
err = mlx5_esw_modify_vport_rate(esw, vport_num, rate_mbps);
if (err)
NL_SET_ERR_MSG_MOD(extack, "failed applying action to hardware");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
index 05b13a1e829c..5acf60b1bbfe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
@@ -1931,8 +1931,10 @@ static void mlx5_eswitch_clear_vf_vports_info(struct mlx5_eswitch *esw)
struct mlx5_vport *vport;
int i;
- mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs)
+ mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs) {
memset(&vport->info, 0, sizeof(vport->info));
+ vport->info.link_state = MLX5_VPORT_ADMIN_STATE_AUTO;
+ }
}
/* Public E-Switch API */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index a6d0b62ef234..979f13bdc203 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -1172,7 +1172,7 @@ static int esw_offloads_start(struct mlx5_eswitch *esw,
return -EINVAL;
}
- mlx5_eswitch_disable(esw, false);
+ mlx5_eswitch_disable(esw, true);
mlx5_eswitch_update_num_of_vfs(esw, esw->dev->priv.sriov.num_vfs);
err = mlx5_eswitch_enable(esw, MLX5_ESWITCH_OFFLOADS);
if (err) {
@@ -2014,7 +2014,8 @@ int mlx5_esw_funcs_changed_handler(struct notifier_block *nb, unsigned long type
int esw_offloads_enable(struct mlx5_eswitch *esw)
{
- int err;
+ struct mlx5_vport *vport;
+ int err, i;
if (MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, reformat) &&
MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, decap))
@@ -2031,6 +2032,10 @@ int esw_offloads_enable(struct mlx5_eswitch *esw)
if (err)
goto err_vport_metadata;
+ /* Representor will control the vport link state */
+ mlx5_esw_for_each_vf_vport(esw, i, vport, esw->esw_funcs.num_vfs)
+ vport->info.link_state = MLX5_VPORT_ADMIN_STATE_DOWN;
+
err = mlx5_eswitch_enable_pf_vf_vports(esw, MLX5_VPORT_UC_ADDR_CHANGE);
if (err)
goto err_vports;
@@ -2060,7 +2065,7 @@ static int esw_offloads_stop(struct mlx5_eswitch *esw,
{
int err, err1;
- mlx5_eswitch_disable(esw, false);
+ mlx5_eswitch_disable(esw, true);
err = mlx5_eswitch_enable(esw, MLX5_ESWITCH_LEGACY);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "Failed setting eswitch to legacy");
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index cf7b8da0f010..f554cfddcf4e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1563,6 +1563,7 @@ static const struct pci_device_id mlx5_core_pci_table[] = {
{ PCI_VDEVICE(MELLANOX, 0x101d) }, /* ConnectX-6 Dx */
{ PCI_VDEVICE(MELLANOX, 0x101e), MLX5_PCI_DEV_IS_VF}, /* ConnectX Family mlx5Gen Virtual Function */
{ PCI_VDEVICE(MELLANOX, 0x101f) }, /* ConnectX-6 LX */
+ { PCI_VDEVICE(MELLANOX, 0x1021) }, /* ConnectX-7 */
{ PCI_VDEVICE(MELLANOX, 0xa2d2) }, /* BlueField integrated ConnectX-5 network controller */
{ PCI_VDEVICE(MELLANOX, 0xa2d3), MLX5_PCI_DEV_IS_VF}, /* BlueField integrated ConnectX-5 network controller VF */
{ PCI_VDEVICE(MELLANOX, 0xa2d6) }, /* BlueField-2 integrated ConnectX-6 Dx network controller */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
index 51803eef13dd..c7f10d4f8f8d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_send.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/* Copyright (c) 2019 Mellanox Technologies. */
+#include <linux/smp.h>
#include "dr_types.h"
#define QUEUE_SIZE 128
@@ -729,7 +730,7 @@ static struct mlx5dr_cq *dr_create_cq(struct mlx5_core_dev *mdev,
if (!in)
goto err_cqwq;
- vector = smp_processor_id() % mlx5_comp_vectors_count(mdev);
+ vector = raw_smp_processor_id() % mlx5_comp_vectors_count(mdev);
err = mlx5_vector2eqn(mdev, vector, &eqn, &irqn);
if (err) {
kvfree(in);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
index b43275cde8bf..3abfc8125926 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/fs_dr.c
@@ -379,7 +379,6 @@ static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
list_for_each_entry(dst, &fte->node.children, node.list) {
enum mlx5_flow_destination_type type = dst->dest_attr.type;
- u32 id;
if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX ||
num_term_actions >= MLX5_FLOW_CONTEXT_ACTION_MAX) {
@@ -387,19 +386,10 @@ static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
goto free_actions;
}
- switch (type) {
- case MLX5_FLOW_DESTINATION_TYPE_COUNTER:
- id = dst->dest_attr.counter_id;
+ if (type == MLX5_FLOW_DESTINATION_TYPE_COUNTER)
+ continue;
- tmp_action =
- mlx5dr_action_create_flow_counter(id);
- if (!tmp_action) {
- err = -ENOMEM;
- goto free_actions;
- }
- fs_dr_actions[fs_dr_num_actions++] = tmp_action;
- actions[num_actions++] = tmp_action;
- break;
+ switch (type) {
case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
tmp_action = create_ft_action(domain, dst);
if (!tmp_action) {
@@ -432,6 +422,32 @@ static int mlx5_cmd_dr_create_fte(struct mlx5_flow_root_namespace *ns,
}
}
+ if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
+ list_for_each_entry(dst, &fte->node.children, node.list) {
+ u32 id;
+
+ if (dst->dest_attr.type !=
+ MLX5_FLOW_DESTINATION_TYPE_COUNTER)
+ continue;
+
+ if (num_actions == MLX5_FLOW_CONTEXT_ACTION_MAX) {
+ err = -ENOSPC;
+ goto free_actions;
+ }
+
+ id = dst->dest_attr.counter_id;
+ tmp_action =
+ mlx5dr_action_create_flow_counter(id);
+ if (!tmp_action) {
+ err = -ENOMEM;
+ goto free_actions;
+ }
+
+ fs_dr_actions[fs_dr_num_actions++] = tmp_action;
+ actions[num_actions++] = tmp_action;
+ }
+ }
+
params.match_sz = match_sz;
params.match_buf = (u64 *)fte->val;
if (num_term_actions == 1) {
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
index 150b3a144b83..3d3cca596116 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c
@@ -8,6 +8,7 @@
#include <linux/string.h>
#include <linux/rhashtable.h>
#include <linux/netdevice.h>
+#include <linux/mutex.h>
#include <net/net_namespace.h>
#include <net/tc_act/tc_vlan.h>
@@ -25,6 +26,7 @@ struct mlxsw_sp_acl {
struct mlxsw_sp_fid *dummy_fid;
struct rhashtable ruleset_ht;
struct list_head rules;
+ struct mutex rules_lock; /* Protects rules list */
struct {
struct delayed_work dw;
unsigned long interval; /* ms */
@@ -701,7 +703,9 @@ int mlxsw_sp_acl_rule_add(struct mlxsw_sp *mlxsw_sp,
goto err_ruleset_block_bind;
}
+ mutex_lock(&mlxsw_sp->acl->rules_lock);
list_add_tail(&rule->list, &mlxsw_sp->acl->rules);
+ mutex_unlock(&mlxsw_sp->acl->rules_lock);
block->rule_count++;
block->egress_blocker_rule_count += rule->rulei->egress_bind_blocker;
return 0;
@@ -723,7 +727,9 @@ void mlxsw_sp_acl_rule_del(struct mlxsw_sp *mlxsw_sp,
block->egress_blocker_rule_count -= rule->rulei->egress_bind_blocker;
ruleset->ht_key.block->rule_count--;
+ mutex_lock(&mlxsw_sp->acl->rules_lock);
list_del(&rule->list);
+ mutex_unlock(&mlxsw_sp->acl->rules_lock);
if (!ruleset->ht_key.chain_index &&
mlxsw_sp_acl_ruleset_is_singular(ruleset))
mlxsw_sp_acl_ruleset_block_unbind(mlxsw_sp, ruleset,
@@ -783,19 +789,18 @@ static int mlxsw_sp_acl_rules_activity_update(struct mlxsw_sp_acl *acl)
struct mlxsw_sp_acl_rule *rule;
int err;
- /* Protect internal structures from changes */
- rtnl_lock();
+ mutex_lock(&acl->rules_lock);
list_for_each_entry(rule, &acl->rules, list) {
err = mlxsw_sp_acl_rule_activity_update(acl->mlxsw_sp,
rule);
if (err)
goto err_rule_update;
}
- rtnl_unlock();
+ mutex_unlock(&acl->rules_lock);
return 0;
err_rule_update:
- rtnl_unlock();
+ mutex_unlock(&acl->rules_lock);
return err;
}
@@ -880,6 +885,7 @@ int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
acl->dummy_fid = fid;
INIT_LIST_HEAD(&acl->rules);
+ mutex_init(&acl->rules_lock);
err = mlxsw_sp_acl_tcam_init(mlxsw_sp, &acl->tcam);
if (err)
goto err_acl_ops_init;
@@ -892,6 +898,7 @@ int mlxsw_sp_acl_init(struct mlxsw_sp *mlxsw_sp)
return 0;
err_acl_ops_init:
+ mutex_destroy(&acl->rules_lock);
mlxsw_sp_fid_put(fid);
err_fid_get:
rhashtable_destroy(&acl->ruleset_ht);
@@ -908,6 +915,7 @@ void mlxsw_sp_acl_fini(struct mlxsw_sp *mlxsw_sp)
cancel_delayed_work_sync(&mlxsw_sp->acl->rule_activity_update.dw);
mlxsw_sp_acl_tcam_fini(mlxsw_sp, &acl->tcam);
+ mutex_destroy(&acl->rules_lock);
WARN_ON(!list_empty(&acl->rules));
mlxsw_sp_fid_put(acl->dummy_fid);
rhashtable_destroy(&acl->ruleset_ht);
diff --git a/drivers/net/ethernet/natsemi/sonic.c b/drivers/net/ethernet/natsemi/sonic.c
index fdebc8598b22..31be3ba66877 100644
--- a/drivers/net/ethernet/natsemi/sonic.c
+++ b/drivers/net/ethernet/natsemi/sonic.c
@@ -64,6 +64,8 @@ static int sonic_open(struct net_device *dev)
netif_dbg(lp, ifup, dev, "%s: initializing sonic driver\n", __func__);
+ spin_lock_init(&lp->lock);
+
for (i = 0; i < SONIC_NUM_RRS; i++) {
struct sk_buff *skb = netdev_alloc_skb(dev, SONIC_RBSIZE + 2);
if (skb == NULL) {
@@ -114,6 +116,24 @@ static int sonic_open(struct net_device *dev)
return 0;
}
+/* Wait for the SONIC to become idle. */
+static void sonic_quiesce(struct net_device *dev, u16 mask)
+{
+ struct sonic_local * __maybe_unused lp = netdev_priv(dev);
+ int i;
+ u16 bits;
+
+ for (i = 0; i < 1000; ++i) {
+ bits = SONIC_READ(SONIC_CMD) & mask;
+ if (!bits)
+ return;
+ if (irqs_disabled() || in_interrupt())
+ udelay(20);
+ else
+ usleep_range(100, 200);
+ }
+ WARN_ONCE(1, "command deadline expired! 0x%04x\n", bits);
+}
/*
* Close the SONIC device
@@ -130,6 +150,9 @@ static int sonic_close(struct net_device *dev)
/*
* stop the SONIC, disable interrupts
*/
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS);
+ sonic_quiesce(dev, SONIC_CR_ALL);
+
SONIC_WRITE(SONIC_IMR, 0);
SONIC_WRITE(SONIC_ISR, 0x7fff);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
@@ -169,6 +192,9 @@ static void sonic_tx_timeout(struct net_device *dev, unsigned int txqueue)
* put the Sonic into software-reset mode and
* disable all interrupts before releasing DMA buffers
*/
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS);
+ sonic_quiesce(dev, SONIC_CR_ALL);
+
SONIC_WRITE(SONIC_IMR, 0);
SONIC_WRITE(SONIC_ISR, 0x7fff);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
@@ -206,8 +232,6 @@ static void sonic_tx_timeout(struct net_device *dev, unsigned int txqueue)
* wake the tx queue
* Concurrently with all of this, the SONIC is potentially writing to
* the status flags of the TDs.
- * Until some mutual exclusion is added, this code will not work with SMP. However,
- * MIPS Jazz machines and m68k Macs were all uni-processor machines.
*/
static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
@@ -215,7 +239,8 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
struct sonic_local *lp = netdev_priv(dev);
dma_addr_t laddr;
int length;
- int entry = lp->next_tx;
+ int entry;
+ unsigned long flags;
netif_dbg(lp, tx_queued, dev, "%s: skb=%p\n", __func__, skb);
@@ -237,6 +262,10 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_OK;
}
+ spin_lock_irqsave(&lp->lock, flags);
+
+ entry = lp->next_tx;
+
sonic_tda_put(dev, entry, SONIC_TD_STATUS, 0); /* clear status */
sonic_tda_put(dev, entry, SONIC_TD_FRAG_COUNT, 1); /* single fragment */
sonic_tda_put(dev, entry, SONIC_TD_PKTSIZE, length); /* length of packet */
@@ -246,10 +275,6 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
sonic_tda_put(dev, entry, SONIC_TD_LINK,
sonic_tda_get(dev, entry, SONIC_TD_LINK) | SONIC_EOL);
- /*
- * Must set tx_skb[entry] only after clearing status, and
- * before clearing EOL and before stopping queue
- */
wmb();
lp->tx_len[entry] = length;
lp->tx_laddr[entry] = laddr;
@@ -272,6 +297,8 @@ static int sonic_send_packet(struct sk_buff *skb, struct net_device *dev)
SONIC_WRITE(SONIC_CMD, SONIC_CR_TXP);
+ spin_unlock_irqrestore(&lp->lock, flags);
+
return NETDEV_TX_OK;
}
@@ -284,15 +311,28 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
struct net_device *dev = dev_id;
struct sonic_local *lp = netdev_priv(dev);
int status;
+ unsigned long flags;
+
+ /* The lock has two purposes. Firstly, it synchronizes sonic_interrupt()
+ * with sonic_send_packet() so that the two functions can share state.
+ * Secondly, it makes sonic_interrupt() re-entrant, as that is required
+ * by macsonic which must use two IRQs with different priority levels.
+ */
+ spin_lock_irqsave(&lp->lock, flags);
+
+ status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT;
+ if (!status) {
+ spin_unlock_irqrestore(&lp->lock, flags);
- if (!(status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT))
return IRQ_NONE;
+ }
do {
+ SONIC_WRITE(SONIC_ISR, status); /* clear the interrupt(s) */
+
if (status & SONIC_INT_PKTRX) {
netif_dbg(lp, intr, dev, "%s: packet rx\n", __func__);
sonic_rx(dev); /* got packet(s) */
- SONIC_WRITE(SONIC_ISR, SONIC_INT_PKTRX); /* clear the interrupt */
}
if (status & SONIC_INT_TXDN) {
@@ -300,11 +340,12 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
int td_status;
int freed_some = 0;
- /* At this point, cur_tx is the index of a TD that is one of:
- * unallocated/freed (status set & tx_skb[entry] clear)
- * allocated and sent (status set & tx_skb[entry] set )
- * allocated and not yet sent (status clear & tx_skb[entry] set )
- * still being allocated by sonic_send_packet (status clear & tx_skb[entry] clear)
+ /* The state of a Transmit Descriptor may be inferred
+ * from { tx_skb[entry], td_status } as follows.
+ * { clear, clear } => the TD has never been used
+ * { set, clear } => the TD was handed to SONIC
+ * { set, set } => the TD was handed back
+ * { clear, set } => the TD is available for re-use
*/
netif_dbg(lp, intr, dev, "%s: tx done\n", __func__);
@@ -313,18 +354,19 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
if ((td_status = sonic_tda_get(dev, entry, SONIC_TD_STATUS)) == 0)
break;
- if (td_status & 0x0001) {
+ if (td_status & SONIC_TCR_PTX) {
lp->stats.tx_packets++;
lp->stats.tx_bytes += sonic_tda_get(dev, entry, SONIC_TD_PKTSIZE);
} else {
- lp->stats.tx_errors++;
- if (td_status & 0x0642)
+ if (td_status & (SONIC_TCR_EXD |
+ SONIC_TCR_EXC | SONIC_TCR_BCM))
lp->stats.tx_aborted_errors++;
- if (td_status & 0x0180)
+ if (td_status &
+ (SONIC_TCR_NCRS | SONIC_TCR_CRLS))
lp->stats.tx_carrier_errors++;
- if (td_status & 0x0020)
+ if (td_status & SONIC_TCR_OWC)
lp->stats.tx_window_errors++;
- if (td_status & 0x0004)
+ if (td_status & SONIC_TCR_FU)
lp->stats.tx_fifo_errors++;
}
@@ -346,7 +388,6 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
if (freed_some || lp->tx_skb[entry] == NULL)
netif_wake_queue(dev); /* The ring is no longer full */
lp->cur_tx = entry;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_TXDN); /* clear the interrupt */
}
/*
@@ -355,42 +396,37 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
if (status & SONIC_INT_RFO) {
netif_dbg(lp, rx_err, dev, "%s: rx fifo overrun\n",
__func__);
- lp->stats.rx_fifo_errors++;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_RFO); /* clear the interrupt */
}
if (status & SONIC_INT_RDE) {
netif_dbg(lp, rx_err, dev, "%s: rx descriptors exhausted\n",
__func__);
- lp->stats.rx_dropped++;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_RDE); /* clear the interrupt */
}
if (status & SONIC_INT_RBAE) {
netif_dbg(lp, rx_err, dev, "%s: rx buffer area exceeded\n",
__func__);
- lp->stats.rx_dropped++;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_RBAE); /* clear the interrupt */
}
/* counter overruns; all counters are 16bit wide */
- if (status & SONIC_INT_FAE) {
+ if (status & SONIC_INT_FAE)
lp->stats.rx_frame_errors += 65536;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_FAE); /* clear the interrupt */
- }
- if (status & SONIC_INT_CRC) {
+ if (status & SONIC_INT_CRC)
lp->stats.rx_crc_errors += 65536;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_CRC); /* clear the interrupt */
- }
- if (status & SONIC_INT_MP) {
+ if (status & SONIC_INT_MP)
lp->stats.rx_missed_errors += 65536;
- SONIC_WRITE(SONIC_ISR, SONIC_INT_MP); /* clear the interrupt */
- }
/* transmit error */
if (status & SONIC_INT_TXER) {
- if (SONIC_READ(SONIC_TCR) & SONIC_TCR_FU)
- netif_dbg(lp, tx_err, dev, "%s: tx fifo underrun\n",
- __func__);
- SONIC_WRITE(SONIC_ISR, SONIC_INT_TXER); /* clear the interrupt */
+ u16 tcr = SONIC_READ(SONIC_TCR);
+
+ netif_dbg(lp, tx_err, dev, "%s: TXER intr, TCR %04x\n",
+ __func__, tcr);
+
+ if (tcr & (SONIC_TCR_EXD | SONIC_TCR_EXC |
+ SONIC_TCR_FU | SONIC_TCR_BCM)) {
+ /* Aborted transmission. Try again. */
+ netif_stop_queue(dev);
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_TXP);
+ }
}
/* bus retry */
@@ -400,107 +436,164 @@ static irqreturn_t sonic_interrupt(int irq, void *dev_id)
/* ... to help debug DMA problems causing endless interrupts. */
/* Bounce the eth interface to turn on the interrupt again. */
SONIC_WRITE(SONIC_IMR, 0);
- SONIC_WRITE(SONIC_ISR, SONIC_INT_BR); /* clear the interrupt */
}
- /* load CAM done */
- if (status & SONIC_INT_LCD)
- SONIC_WRITE(SONIC_ISR, SONIC_INT_LCD); /* clear the interrupt */
- } while((status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT));
+ status = SONIC_READ(SONIC_ISR) & SONIC_IMR_DEFAULT;
+ } while (status);
+
+ spin_unlock_irqrestore(&lp->lock, flags);
+
return IRQ_HANDLED;
}
+/* Return the array index corresponding to a given Receive Buffer pointer. */
+static int index_from_addr(struct sonic_local *lp, dma_addr_t addr,
+ unsigned int last)
+{
+ unsigned int i = last;
+
+ do {
+ i = (i + 1) & SONIC_RRS_MASK;
+ if (addr == lp->rx_laddr[i])
+ return i;
+ } while (i != last);
+
+ return -ENOENT;
+}
+
+/* Allocate and map a new skb to be used as a receive buffer. */
+static bool sonic_alloc_rb(struct net_device *dev, struct sonic_local *lp,
+ struct sk_buff **new_skb, dma_addr_t *new_addr)
+{
+ *new_skb = netdev_alloc_skb(dev, SONIC_RBSIZE + 2);
+ if (!*new_skb)
+ return false;
+
+ if (SONIC_BUS_SCALE(lp->dma_bitmode) == 2)
+ skb_reserve(*new_skb, 2);
+
+ *new_addr = dma_map_single(lp->device, skb_put(*new_skb, SONIC_RBSIZE),
+ SONIC_RBSIZE, DMA_FROM_DEVICE);
+ if (!*new_addr) {
+ dev_kfree_skb(*new_skb);
+ *new_skb = NULL;
+ return false;
+ }
+
+ return true;
+}
+
+/* Place a new receive resource in the Receive Resource Area and update RWP. */
+static void sonic_update_rra(struct net_device *dev, struct sonic_local *lp,
+ dma_addr_t old_addr, dma_addr_t new_addr)
+{
+ unsigned int entry = sonic_rr_entry(dev, SONIC_READ(SONIC_RWP));
+ unsigned int end = sonic_rr_entry(dev, SONIC_READ(SONIC_RRP));
+ u32 buf;
+
+ /* The resources in the range [RRP, RWP) belong to the SONIC. This loop
+ * scans the other resources in the RRA, those in the range [RWP, RRP).
+ */
+ do {
+ buf = (sonic_rra_get(dev, entry, SONIC_RR_BUFADR_H) << 16) |
+ sonic_rra_get(dev, entry, SONIC_RR_BUFADR_L);
+
+ if (buf == old_addr)
+ break;
+
+ entry = (entry + 1) & SONIC_RRS_MASK;
+ } while (entry != end);
+
+ WARN_ONCE(buf != old_addr, "failed to find resource!\n");
+
+ sonic_rra_put(dev, entry, SONIC_RR_BUFADR_H, new_addr >> 16);
+ sonic_rra_put(dev, entry, SONIC_RR_BUFADR_L, new_addr & 0xffff);
+
+ entry = (entry + 1) & SONIC_RRS_MASK;
+
+ SONIC_WRITE(SONIC_RWP, sonic_rr_addr(dev, entry));
+}
+
/*
* We have a good packet(s), pass it/them up the network stack.
*/
static void sonic_rx(struct net_device *dev)
{
struct sonic_local *lp = netdev_priv(dev);
- int status;
int entry = lp->cur_rx;
+ int prev_entry = lp->eol_rx;
+ bool rbe = false;
while (sonic_rda_get(dev, entry, SONIC_RD_IN_USE) == 0) {
- struct sk_buff *used_skb;
- struct sk_buff *new_skb;
- dma_addr_t new_laddr;
- u16 bufadr_l;
- u16 bufadr_h;
- int pkt_len;
-
- status = sonic_rda_get(dev, entry, SONIC_RD_STATUS);
- if (status & SONIC_RCR_PRX) {
- /* Malloc up new buffer. */
- new_skb = netdev_alloc_skb(dev, SONIC_RBSIZE + 2);
- if (new_skb == NULL) {
- lp->stats.rx_dropped++;
+ u16 status = sonic_rda_get(dev, entry, SONIC_RD_STATUS);
+
+ /* If the RD has LPKT set, the chip has finished with the RB */
+ if ((status & SONIC_RCR_PRX) && (status & SONIC_RCR_LPKT)) {
+ struct sk_buff *new_skb;
+ dma_addr_t new_laddr;
+ u32 addr = (sonic_rda_get(dev, entry,
+ SONIC_RD_PKTPTR_H) << 16) |
+ sonic_rda_get(dev, entry, SONIC_RD_PKTPTR_L);
+ int i = index_from_addr(lp, addr, entry);
+
+ if (i < 0) {
+ WARN_ONCE(1, "failed to find buffer!\n");
break;
}
- /* provide 16 byte IP header alignment unless DMA requires otherwise */
- if(SONIC_BUS_SCALE(lp->dma_bitmode) == 2)
- skb_reserve(new_skb, 2);
-
- new_laddr = dma_map_single(lp->device, skb_put(new_skb, SONIC_RBSIZE),
- SONIC_RBSIZE, DMA_FROM_DEVICE);
- if (!new_laddr) {
- dev_kfree_skb(new_skb);
- printk(KERN_ERR "%s: Failed to map rx buffer, dropping packet.\n", dev->name);
+
+ if (sonic_alloc_rb(dev, lp, &new_skb, &new_laddr)) {
+ struct sk_buff *used_skb = lp->rx_skb[i];
+ int pkt_len;
+
+ /* Pass the used buffer up the stack */
+ dma_unmap_single(lp->device, addr, SONIC_RBSIZE,
+ DMA_FROM_DEVICE);
+
+ pkt_len = sonic_rda_get(dev, entry,
+ SONIC_RD_PKTLEN);
+ skb_trim(used_skb, pkt_len);
+ used_skb->protocol = eth_type_trans(used_skb,
+ dev);
+ netif_rx(used_skb);
+ lp->stats.rx_packets++;
+ lp->stats.rx_bytes += pkt_len;
+
+ lp->rx_skb[i] = new_skb;
+ lp->rx_laddr[i] = new_laddr;
+ } else {
+ /* Failed to obtain a new buffer so re-use it */
+ new_laddr = addr;
lp->stats.rx_dropped++;
- break;
}
-
- /* now we have a new skb to replace it, pass the used one up the stack */
- dma_unmap_single(lp->device, lp->rx_laddr[entry], SONIC_RBSIZE, DMA_FROM_DEVICE);
- used_skb = lp->rx_skb[entry];
- pkt_len = sonic_rda_get(dev, entry, SONIC_RD_PKTLEN);
- skb_trim(used_skb, pkt_len);
- used_skb->protocol = eth_type_trans(used_skb, dev);
- netif_rx(used_skb);
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += pkt_len;
-
- /* and insert the new skb */
- lp->rx_laddr[entry] = new_laddr;
- lp->rx_skb[entry] = new_skb;
-
- bufadr_l = (unsigned long)new_laddr & 0xffff;
- bufadr_h = (unsigned long)new_laddr >> 16;
- sonic_rra_put(dev, entry, SONIC_RR_BUFADR_L, bufadr_l);
- sonic_rra_put(dev, entry, SONIC_RR_BUFADR_H, bufadr_h);
- } else {
- /* This should only happen, if we enable accepting broken packets. */
- lp->stats.rx_errors++;
- if (status & SONIC_RCR_FAER)
- lp->stats.rx_frame_errors++;
- if (status & SONIC_RCR_CRCR)
- lp->stats.rx_crc_errors++;
- }
- if (status & SONIC_RCR_LPKT) {
- /*
- * this was the last packet out of the current receive buffer
- * give the buffer back to the SONIC
+ /* If RBE is already asserted when RWP advances then
+ * it's safe to clear RBE after processing this packet.
*/
- lp->cur_rwp += SIZEOF_SONIC_RR * SONIC_BUS_SCALE(lp->dma_bitmode);
- if (lp->cur_rwp >= lp->rra_end) lp->cur_rwp = lp->rra_laddr & 0xffff;
- SONIC_WRITE(SONIC_RWP, lp->cur_rwp);
- if (SONIC_READ(SONIC_ISR) & SONIC_INT_RBE) {
- netif_dbg(lp, rx_err, dev, "%s: rx buffer exhausted\n",
- __func__);
- SONIC_WRITE(SONIC_ISR, SONIC_INT_RBE); /* clear the flag */
- }
- } else
- printk(KERN_ERR "%s: rx desc without RCR_LPKT. Shouldn't happen !?\n",
- dev->name);
+ rbe = rbe || SONIC_READ(SONIC_ISR) & SONIC_INT_RBE;
+ sonic_update_rra(dev, lp, addr, new_laddr);
+ }
/*
* give back the descriptor
*/
- sonic_rda_put(dev, entry, SONIC_RD_LINK,
- sonic_rda_get(dev, entry, SONIC_RD_LINK) | SONIC_EOL);
+ sonic_rda_put(dev, entry, SONIC_RD_STATUS, 0);
sonic_rda_put(dev, entry, SONIC_RD_IN_USE, 1);
- sonic_rda_put(dev, lp->eol_rx, SONIC_RD_LINK,
- sonic_rda_get(dev, lp->eol_rx, SONIC_RD_LINK) & ~SONIC_EOL);
- lp->eol_rx = entry;
- lp->cur_rx = entry = (entry + 1) & SONIC_RDS_MASK;
+
+ prev_entry = entry;
+ entry = (entry + 1) & SONIC_RDS_MASK;
+ }
+
+ lp->cur_rx = entry;
+
+ if (prev_entry != lp->eol_rx) {
+ /* Advance the EOL flag to put descriptors back into service */
+ sonic_rda_put(dev, prev_entry, SONIC_RD_LINK, SONIC_EOL |
+ sonic_rda_get(dev, prev_entry, SONIC_RD_LINK));
+ sonic_rda_put(dev, lp->eol_rx, SONIC_RD_LINK, ~SONIC_EOL &
+ sonic_rda_get(dev, lp->eol_rx, SONIC_RD_LINK));
+ lp->eol_rx = prev_entry;
}
+
+ if (rbe)
+ SONIC_WRITE(SONIC_ISR, SONIC_INT_RBE);
/*
* If any worth-while packets have been received, netif_rx()
* has done a mark_bh(NET_BH) for us and will work on them
@@ -550,6 +643,8 @@ static void sonic_multicast_list(struct net_device *dev)
(netdev_mc_count(dev) > 15)) {
rcr |= SONIC_RCR_AMC;
} else {
+ unsigned long flags;
+
netif_dbg(lp, ifup, dev, "%s: mc_count %d\n", __func__,
netdev_mc_count(dev));
sonic_set_cam_enable(dev, 1); /* always enable our own address */
@@ -563,9 +658,14 @@ static void sonic_multicast_list(struct net_device *dev)
i++;
}
SONIC_WRITE(SONIC_CDC, 16);
- /* issue Load CAM command */
SONIC_WRITE(SONIC_CDP, lp->cda_laddr & 0xffff);
+
+ /* LCAM and TXP commands can't be used simultaneously */
+ spin_lock_irqsave(&lp->lock, flags);
+ sonic_quiesce(dev, SONIC_CR_TXP);
SONIC_WRITE(SONIC_CMD, SONIC_CR_LCAM);
+ sonic_quiesce(dev, SONIC_CR_LCAM);
+ spin_unlock_irqrestore(&lp->lock, flags);
}
}
@@ -580,7 +680,6 @@ static void sonic_multicast_list(struct net_device *dev)
*/
static int sonic_init(struct net_device *dev)
{
- unsigned int cmd;
struct sonic_local *lp = netdev_priv(dev);
int i;
@@ -592,12 +691,16 @@ static int sonic_init(struct net_device *dev)
SONIC_WRITE(SONIC_ISR, 0x7fff);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RST);
+ /* While in reset mode, clear CAM Enable register */
+ SONIC_WRITE(SONIC_CE, 0);
+
/*
* clear software reset flag, disable receiver, clear and
* enable interrupts, then completely initialize the SONIC
*/
SONIC_WRITE(SONIC_CMD, 0);
- SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS);
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RXDIS | SONIC_CR_STP);
+ sonic_quiesce(dev, SONIC_CR_ALL);
/*
* initialize the receive resource area
@@ -615,15 +718,10 @@ static int sonic_init(struct net_device *dev)
}
/* initialize all RRA registers */
- lp->rra_end = (lp->rra_laddr + SONIC_NUM_RRS * SIZEOF_SONIC_RR *
- SONIC_BUS_SCALE(lp->dma_bitmode)) & 0xffff;
- lp->cur_rwp = (lp->rra_laddr + (SONIC_NUM_RRS - 1) * SIZEOF_SONIC_RR *
- SONIC_BUS_SCALE(lp->dma_bitmode)) & 0xffff;
-
- SONIC_WRITE(SONIC_RSA, lp->rra_laddr & 0xffff);
- SONIC_WRITE(SONIC_REA, lp->rra_end);
- SONIC_WRITE(SONIC_RRP, lp->rra_laddr & 0xffff);
- SONIC_WRITE(SONIC_RWP, lp->cur_rwp);
+ SONIC_WRITE(SONIC_RSA, sonic_rr_addr(dev, 0));
+ SONIC_WRITE(SONIC_REA, sonic_rr_addr(dev, SONIC_NUM_RRS));
+ SONIC_WRITE(SONIC_RRP, sonic_rr_addr(dev, 0));
+ SONIC_WRITE(SONIC_RWP, sonic_rr_addr(dev, SONIC_NUM_RRS - 1));
SONIC_WRITE(SONIC_URRA, lp->rra_laddr >> 16);
SONIC_WRITE(SONIC_EOBC, (SONIC_RBSIZE >> 1) - (lp->dma_bitmode ? 2 : 1));
@@ -631,14 +729,7 @@ static int sonic_init(struct net_device *dev)
netif_dbg(lp, ifup, dev, "%s: issuing RRRA command\n", __func__);
SONIC_WRITE(SONIC_CMD, SONIC_CR_RRRA);
- i = 0;
- while (i++ < 100) {
- if (SONIC_READ(SONIC_CMD) & SONIC_CR_RRRA)
- break;
- }
-
- netif_dbg(lp, ifup, dev, "%s: status=%x, i=%d\n", __func__,
- SONIC_READ(SONIC_CMD), i);
+ sonic_quiesce(dev, SONIC_CR_RRRA);
/*
* Initialize the receive descriptors so that they
@@ -713,28 +804,17 @@ static int sonic_init(struct net_device *dev)
* load the CAM
*/
SONIC_WRITE(SONIC_CMD, SONIC_CR_LCAM);
-
- i = 0;
- while (i++ < 100) {
- if (SONIC_READ(SONIC_ISR) & SONIC_INT_LCD)
- break;
- }
- netif_dbg(lp, ifup, dev, "%s: CMD=%x, ISR=%x, i=%d\n", __func__,
- SONIC_READ(SONIC_CMD), SONIC_READ(SONIC_ISR), i);
+ sonic_quiesce(dev, SONIC_CR_LCAM);
/*
* enable receiver, disable loopback
* and enable all interrupts
*/
- SONIC_WRITE(SONIC_CMD, SONIC_CR_RXEN | SONIC_CR_STP);
SONIC_WRITE(SONIC_RCR, SONIC_RCR_DEFAULT);
SONIC_WRITE(SONIC_TCR, SONIC_TCR_DEFAULT);
SONIC_WRITE(SONIC_ISR, 0x7fff);
SONIC_WRITE(SONIC_IMR, SONIC_IMR_DEFAULT);
-
- cmd = SONIC_READ(SONIC_CMD);
- if ((cmd & SONIC_CR_RXEN) == 0 || (cmd & SONIC_CR_STP) == 0)
- printk(KERN_ERR "sonic_init: failed, status=%x\n", cmd);
+ SONIC_WRITE(SONIC_CMD, SONIC_CR_RXEN);
netif_dbg(lp, ifup, dev, "%s: new status=%x\n", __func__,
SONIC_READ(SONIC_CMD));
diff --git a/drivers/net/ethernet/natsemi/sonic.h b/drivers/net/ethernet/natsemi/sonic.h
index f1544481aac1..e0e4cba6f6f6 100644
--- a/drivers/net/ethernet/natsemi/sonic.h
+++ b/drivers/net/ethernet/natsemi/sonic.h
@@ -110,6 +110,9 @@
#define SONIC_CR_TXP 0x0002
#define SONIC_CR_HTX 0x0001
+#define SONIC_CR_ALL (SONIC_CR_LCAM | SONIC_CR_RRRA | \
+ SONIC_CR_RXEN | SONIC_CR_TXP)
+
/*
* SONIC data configuration bits
*/
@@ -175,6 +178,7 @@
#define SONIC_TCR_NCRS 0x0100
#define SONIC_TCR_CRLS 0x0080
#define SONIC_TCR_EXC 0x0040
+#define SONIC_TCR_OWC 0x0020
#define SONIC_TCR_PMB 0x0008
#define SONIC_TCR_FU 0x0004
#define SONIC_TCR_BCM 0x0002
@@ -274,8 +278,9 @@
#define SONIC_NUM_RDS SONIC_NUM_RRS /* number of receive descriptors */
#define SONIC_NUM_TDS 16 /* number of transmit descriptors */
-#define SONIC_RDS_MASK (SONIC_NUM_RDS-1)
-#define SONIC_TDS_MASK (SONIC_NUM_TDS-1)
+#define SONIC_RRS_MASK (SONIC_NUM_RRS - 1)
+#define SONIC_RDS_MASK (SONIC_NUM_RDS - 1)
+#define SONIC_TDS_MASK (SONIC_NUM_TDS - 1)
#define SONIC_RBSIZE 1520 /* size of one resource buffer */
@@ -312,8 +317,6 @@ struct sonic_local {
u32 rda_laddr; /* logical DMA address of RDA */
dma_addr_t rx_laddr[SONIC_NUM_RRS]; /* logical DMA addresses of rx skbuffs */
dma_addr_t tx_laddr[SONIC_NUM_TDS]; /* logical DMA addresses of tx skbuffs */
- unsigned int rra_end;
- unsigned int cur_rwp;
unsigned int cur_rx;
unsigned int cur_tx; /* first unacked transmit packet */
unsigned int eol_rx;
@@ -322,6 +325,7 @@ struct sonic_local {
int msg_enable;
struct device *device; /* generic device */
struct net_device_stats stats;
+ spinlock_t lock;
};
#define TX_TIMEOUT (3 * HZ)
@@ -344,30 +348,30 @@ static void sonic_msg_init(struct net_device *dev);
as far as we can tell. */
/* OpenBSD calls this "SWO". I'd like to think that sonic_buf_put()
is a much better name. */
-static inline void sonic_buf_put(void* base, int bitmode,
+static inline void sonic_buf_put(u16 *base, int bitmode,
int offset, __u16 val)
{
if (bitmode)
#ifdef __BIG_ENDIAN
- ((__u16 *) base + (offset*2))[1] = val;
+ __raw_writew(val, base + (offset * 2) + 1);
#else
- ((__u16 *) base + (offset*2))[0] = val;
+ __raw_writew(val, base + (offset * 2) + 0);
#endif
else
- ((__u16 *) base)[offset] = val;
+ __raw_writew(val, base + (offset * 1) + 0);
}
-static inline __u16 sonic_buf_get(void* base, int bitmode,
+static inline __u16 sonic_buf_get(u16 *base, int bitmode,
int offset)
{
if (bitmode)
#ifdef __BIG_ENDIAN
- return ((volatile __u16 *) base + (offset*2))[1];
+ return __raw_readw(base + (offset * 2) + 1);
#else
- return ((volatile __u16 *) base + (offset*2))[0];
+ return __raw_readw(base + (offset * 2) + 0);
#endif
else
- return ((volatile __u16 *) base)[offset];
+ return __raw_readw(base + (offset * 1) + 0);
}
/* Inlines that you should actually use for reading/writing DMA buffers */
@@ -447,6 +451,22 @@ static inline __u16 sonic_rra_get(struct net_device* dev, int entry,
(entry * SIZEOF_SONIC_RR) + offset);
}
+static inline u16 sonic_rr_addr(struct net_device *dev, int entry)
+{
+ struct sonic_local *lp = netdev_priv(dev);
+
+ return lp->rra_laddr +
+ entry * SIZEOF_SONIC_RR * SONIC_BUS_SCALE(lp->dma_bitmode);
+}
+
+static inline u16 sonic_rr_entry(struct net_device *dev, u16 addr)
+{
+ struct sonic_local *lp = netdev_priv(dev);
+
+ return (addr - (u16)lp->rra_laddr) / (SIZEOF_SONIC_RR *
+ SONIC_BUS_SCALE(lp->dma_bitmode));
+}
+
static const char version[] =
"sonic.c:v0.92 20.9.98 tsbogend@alpha.franken.de\n";
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
index a496390b8632..07f9067affc6 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c
@@ -2043,6 +2043,7 @@ static void qlcnic_83xx_exec_template_cmd(struct qlcnic_adapter *p_dev,
break;
}
entry += p_hdr->size;
+ cond_resched();
}
p_dev->ahw->reset.seq_index = index;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
index afa10a163da1..f34ae8c75bc5 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
@@ -703,6 +703,7 @@ static u32 qlcnic_read_memory_test_agent(struct qlcnic_adapter *adapter,
addr += 16;
reg_read -= 16;
ret += 16;
+ cond_resched();
}
out:
mutex_unlock(&adapter->ahw->mem_lock);
@@ -1383,6 +1384,7 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
buf_offset += entry->hdr.cap_size;
entry_offset += entry->hdr.offset;
buffer = fw_dump->data + buf_offset;
+ cond_resched();
}
fw_dump->clr = 1;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 4775f49d7f3b..d10ac54bf385 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -412,9 +412,9 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
*mac = NULL;
}
- rc = of_get_phy_mode(np, &plat->phy_interface);
- if (rc)
- return ERR_PTR(rc);
+ plat->phy_interface = device_get_phy_mode(&pdev->dev);
+ if (plat->phy_interface < 0)
+ return ERR_PTR(plat->phy_interface);
plat->interface = stmmac_of_get_mac_mode(np);
if (plat->interface < 0)
diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c
index bc85db8e6cdf..7032a2405e1a 100644
--- a/drivers/net/gtp.c
+++ b/drivers/net/gtp.c
@@ -804,19 +804,21 @@ static struct sock *gtp_encap_enable_socket(int fd, int type,
return NULL;
}
- if (sock->sk->sk_protocol != IPPROTO_UDP) {
+ sk = sock->sk;
+ if (sk->sk_protocol != IPPROTO_UDP ||
+ sk->sk_type != SOCK_DGRAM ||
+ (sk->sk_family != AF_INET && sk->sk_family != AF_INET6)) {
pr_debug("socket fd=%d not UDP\n", fd);
sk = ERR_PTR(-EINVAL);
goto out_sock;
}
- lock_sock(sock->sk);
- if (sock->sk->sk_user_data) {
+ lock_sock(sk);
+ if (sk->sk_user_data) {
sk = ERR_PTR(-EBUSY);
goto out_rel_sock;
}
- sk = sock->sk;
sock_hold(sk);
tuncfg.sk_user_data = gtp;
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c
index 317d3a8df316..6f4d7ba8b109 100644
--- a/drivers/net/slip/slip.c
+++ b/drivers/net/slip/slip.c
@@ -452,9 +452,16 @@ static void slip_transmit(struct work_struct *work)
*/
static void slip_write_wakeup(struct tty_struct *tty)
{
- struct slip *sl = tty->disc_data;
+ struct slip *sl;
+
+ rcu_read_lock();
+ sl = rcu_dereference(tty->disc_data);
+ if (!sl)
+ goto out;
schedule_work(&sl->tx_work);
+out:
+ rcu_read_unlock();
}
static void sl_tx_timeout(struct net_device *dev, unsigned int txqueue)
@@ -882,10 +889,11 @@ static void slip_close(struct tty_struct *tty)
return;
spin_lock_bh(&sl->lock);
- tty->disc_data = NULL;
+ rcu_assign_pointer(tty->disc_data, NULL);
sl->tty = NULL;
spin_unlock_bh(&sl->lock);
+ synchronize_rcu();
flush_work(&sl->tx_work);
/* VSV = very important to remove timers */
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 3a5a6c655dda..650c937ed56b 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1936,6 +1936,10 @@ drop:
if (ret != XDP_PASS) {
rcu_read_unlock();
local_bh_enable();
+ if (frags) {
+ tfile->napi.skb = NULL;
+ mutex_unlock(&tfile->napi_mutex);
+ }
return total_len;
}
}
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index d2d61f082710..eccbf4cd7149 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -20,6 +20,7 @@
#include <linux/mdio.h>
#include <linux/phy.h>
#include <net/ip6_checksum.h>
+#include <net/vxlan.h>
#include <linux/interrupt.h>
#include <linux/irqdomain.h>
#include <linux/irq.h>
@@ -3660,6 +3661,19 @@ static void lan78xx_tx_timeout(struct net_device *net, unsigned int txqueue)
tasklet_schedule(&dev->bh);
}
+static netdev_features_t lan78xx_features_check(struct sk_buff *skb,
+ struct net_device *netdev,
+ netdev_features_t features)
+{
+ if (skb->len + TX_OVERHEAD > MAX_SINGLE_PACKET_SIZE)
+ features &= ~NETIF_F_GSO_MASK;
+
+ features = vlan_features_check(skb, features);
+ features = vxlan_features_check(skb, features);
+
+ return features;
+}
+
static const struct net_device_ops lan78xx_netdev_ops = {
.ndo_open = lan78xx_open,
.ndo_stop = lan78xx_stop,
@@ -3673,6 +3687,7 @@ static const struct net_device_ops lan78xx_netdev_ops = {
.ndo_set_features = lan78xx_set_features,
.ndo_vlan_rx_add_vid = lan78xx_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = lan78xx_vlan_rx_kill_vid,
+ .ndo_features_check = lan78xx_features_check,
};
static void lan78xx_stat_monitor(struct timer_list *t)
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 36051288034a..e8cd8c05b156 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -31,7 +31,7 @@
#define NETNEXT_VERSION "11"
/* Information for net */
-#define NET_VERSION "10"
+#define NET_VERSION "11"
#define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION
#define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>"
@@ -68,6 +68,7 @@
#define PLA_LED_FEATURE 0xdd92
#define PLA_PHYAR 0xde00
#define PLA_BOOT_CTRL 0xe004
+#define PLA_LWAKE_CTRL_REG 0xe007
#define PLA_GPHY_INTR_IMR 0xe022
#define PLA_EEE_CR 0xe040
#define PLA_EEEP_CR 0xe080
@@ -95,6 +96,7 @@
#define PLA_TALLYCNT 0xe890
#define PLA_SFF_STS_7 0xe8de
#define PLA_PHYSTATUS 0xe908
+#define PLA_CONFIG6 0xe90a /* CONFIG6 */
#define PLA_BP_BA 0xfc26
#define PLA_BP_0 0xfc28
#define PLA_BP_1 0xfc2a
@@ -107,6 +109,7 @@
#define PLA_BP_EN 0xfc38
#define USB_USB2PHY 0xb41e
+#define USB_SSPHYLINK1 0xb426
#define USB_SSPHYLINK2 0xb428
#define USB_U2P3_CTRL 0xb460
#define USB_CSR_DUMMY1 0xb464
@@ -300,6 +303,9 @@
#define LINK_ON_WAKE_EN 0x0010
#define LINK_OFF_WAKE_EN 0x0008
+/* PLA_CONFIG6 */
+#define LANWAKE_CLR_EN BIT(0)
+
/* PLA_CONFIG5 */
#define BWF_EN 0x0040
#define MWF_EN 0x0020
@@ -312,6 +318,7 @@
/* PLA_PHY_PWR */
#define TX_10M_IDLE_EN 0x0080
#define PFM_PWM_SWITCH 0x0040
+#define TEST_IO_OFF BIT(4)
/* PLA_MAC_PWR_CTRL */
#define D3_CLK_GATED_EN 0x00004000
@@ -324,6 +331,7 @@
#define MAC_CLK_SPDWN_EN BIT(15)
/* PLA_MAC_PWR_CTRL3 */
+#define PLA_MCU_SPDWN_EN BIT(14)
#define PKT_AVAIL_SPDWN_EN 0x0100
#define SUSPEND_SPDWN_EN 0x0004
#define U1U2_SPDWN_EN 0x0002
@@ -354,6 +362,9 @@
/* PLA_BOOT_CTRL */
#define AUTOLOAD_DONE 0x0002
+/* PLA_LWAKE_CTRL_REG */
+#define LANWAKE_PIN BIT(7)
+
/* PLA_SUSPEND_FLAG */
#define LINK_CHG_EVENT BIT(0)
@@ -365,13 +376,18 @@
#define DEBUG_LTSSM 0x0082
/* PLA_EXTRA_STATUS */
+#define CUR_LINK_OK BIT(15)
#define U3P3_CHECK_EN BIT(7) /* RTL_VER_05 only */
#define LINK_CHANGE_FLAG BIT(8)
+#define POLL_LINK_CHG BIT(0)
/* USB_USB2PHY */
#define USB2PHY_SUSPEND 0x0001
#define USB2PHY_L1 0x0002
+/* USB_SSPHYLINK1 */
+#define DELAY_PHY_PWR_CHG BIT(1)
+
/* USB_SSPHYLINK2 */
#define pwd_dn_scale_mask 0x3ffe
#define pwd_dn_scale(x) ((x) << 1)
@@ -2861,6 +2877,17 @@ static int rtl8153_enable(struct r8152 *tp)
r8153_set_rx_early_timeout(tp);
r8153_set_rx_early_size(tp);
+ if (tp->version == RTL_VER_09) {
+ u32 ocp_data;
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_FW_TASK);
+ ocp_data &= ~FC_PATCH_TASK;
+ ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
+ usleep_range(1000, 2000);
+ ocp_data |= FC_PATCH_TASK;
+ ocp_write_word(tp, MCU_TYPE_USB, USB_FW_TASK, ocp_data);
+ }
+
return rtl_enable(tp);
}
@@ -3374,8 +3401,8 @@ static void rtl8153b_runtime_enable(struct r8152 *tp, bool enable)
r8153b_ups_en(tp, false);
r8153_queue_wake(tp, false);
rtl_runtime_suspend_enable(tp, false);
- r8153_u2p3en(tp, true);
- r8153b_u1u2en(tp, true);
+ if (tp->udev->speed != USB_SPEED_HIGH)
+ r8153b_u1u2en(tp, true);
}
}
@@ -4673,7 +4700,6 @@ static void r8153b_hw_phy_cfg(struct r8152 *tp)
r8153_aldps_en(tp, true);
r8152b_enable_fc(tp);
- r8153_u2p3en(tp, true);
set_bit(PHY_RESET, &tp->flags);
}
@@ -4952,6 +4978,8 @@ static void rtl8152_down(struct r8152 *tp)
static void rtl8153_up(struct r8152 *tp)
{
+ u32 ocp_data;
+
if (test_bit(RTL8152_UNPLUG, &tp->flags))
return;
@@ -4959,6 +4987,19 @@ static void rtl8153_up(struct r8152 *tp)
r8153_u2p3en(tp, false);
r8153_aldps_en(tp, false);
r8153_first_init(tp);
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
+ ocp_data |= LANWAKE_CLR_EN;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG);
+ ocp_data &= ~LANWAKE_PIN;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1);
+ ocp_data &= ~DELAY_PHY_PWR_CHG;
+ ocp_write_word(tp, MCU_TYPE_USB, USB_SSPHYLINK1, ocp_data);
+
r8153_aldps_en(tp, true);
switch (tp->version) {
@@ -4977,11 +5018,17 @@ static void rtl8153_up(struct r8152 *tp)
static void rtl8153_down(struct r8152 *tp)
{
+ u32 ocp_data;
+
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
rtl_drop_queued_tx(tp);
return;
}
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
+ ocp_data &= ~LANWAKE_CLR_EN;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
+
r8153_u1u2en(tp, false);
r8153_u2p3en(tp, false);
r8153_power_cut_en(tp, false);
@@ -4992,6 +5039,8 @@ static void rtl8153_down(struct r8152 *tp)
static void rtl8153b_up(struct r8152 *tp)
{
+ u32 ocp_data;
+
if (test_bit(RTL8152_UNPLUG, &tp->flags))
return;
@@ -5002,18 +5051,29 @@ static void rtl8153b_up(struct r8152 *tp)
r8153_first_init(tp);
ocp_write_dword(tp, MCU_TYPE_USB, USB_RX_BUF_TH, RX_THR_B);
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
+ ocp_data &= ~PLA_MCU_SPDWN_EN;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
+
r8153_aldps_en(tp, true);
- r8153_u2p3en(tp, true);
- r8153b_u1u2en(tp, true);
+
+ if (tp->udev->speed != USB_SPEED_HIGH)
+ r8153b_u1u2en(tp, true);
}
static void rtl8153b_down(struct r8152 *tp)
{
+ u32 ocp_data;
+
if (test_bit(RTL8152_UNPLUG, &tp->flags)) {
rtl_drop_queued_tx(tp);
return;
}
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
+ ocp_data |= PLA_MCU_SPDWN_EN;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
+
r8153b_u1u2en(tp, false);
r8153_u2p3en(tp, false);
r8153b_power_cut_en(tp, false);
@@ -5385,6 +5445,16 @@ static void r8153_init(struct r8152 *tp)
else
ocp_data |= DYNAMIC_BURST;
ocp_write_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY1, ocp_data);
+
+ r8153_queue_wake(tp, false);
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
+ if (rtl8152_get_speed(tp) & LINK_STATUS)
+ ocp_data |= CUR_LINK_OK;
+ else
+ ocp_data &= ~CUR_LINK_OK;
+ ocp_data |= POLL_LINK_CHG;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
}
ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_CSR_DUMMY2);
@@ -5414,10 +5484,19 @@ static void r8153_init(struct r8152 *tp)
ocp_write_word(tp, MCU_TYPE_USB, USB_CONNECT_TIMER, 0x0001);
r8153_power_cut_en(tp, false);
+ rtl_runtime_suspend_enable(tp, false);
r8153_u1u2en(tp, true);
r8153_mac_clk_spd(tp, false);
usb_enable_lpm(tp->udev);
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6);
+ ocp_data |= LANWAKE_CLR_EN;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CONFIG6, ocp_data);
+
+ ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG);
+ ocp_data &= ~LANWAKE_PIN;
+ ocp_write_byte(tp, MCU_TYPE_PLA, PLA_LWAKE_CTRL_REG, ocp_data);
+
/* rx aggregation */
ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_USB_CTRL);
ocp_data &= ~(RX_AGG_DISABLE | RX_ZERO_EN);
@@ -5482,7 +5561,17 @@ static void r8153b_init(struct r8152 *tp)
r8153b_ups_en(tp, false);
r8153_queue_wake(tp, false);
rtl_runtime_suspend_enable(tp, false);
- r8153b_u1u2en(tp, true);
+
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS);
+ if (rtl8152_get_speed(tp) & LINK_STATUS)
+ ocp_data |= CUR_LINK_OK;
+ else
+ ocp_data &= ~CUR_LINK_OK;
+ ocp_data |= POLL_LINK_CHG;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_EXTRA_STATUS, ocp_data);
+
+ if (tp->udev->speed != USB_SPEED_HIGH)
+ r8153b_u1u2en(tp, true);
usb_enable_lpm(tp->udev);
/* MAC clock speed down */
@@ -5490,6 +5579,19 @@ static void r8153b_init(struct r8152 *tp)
ocp_data |= MAC_CLK_SPDWN_EN;
ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL2, ocp_data);
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3);
+ ocp_data &= ~PLA_MCU_SPDWN_EN;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, ocp_data);
+
+ if (tp->version == RTL_VER_09) {
+ /* Disable Test IO for 32QFN */
+ if (ocp_read_byte(tp, MCU_TYPE_PLA, 0xdc00) & BIT(5)) {
+ ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR);
+ ocp_data |= TEST_IO_OFF;
+ ocp_write_word(tp, MCU_TYPE_PLA, PLA_PHY_PWR, ocp_data);
+ }
+ }
+
set_bit(GREEN_ETHERNET, &tp->flags);
/* rx aggregation */
@@ -6705,6 +6807,11 @@ static int rtl8152_probe(struct usb_interface *intf,
intf->needs_remote_wakeup = 1;
+ if (!rtl_can_wakeup(tp))
+ __rtl_set_wol(tp, 0);
+ else
+ tp->saved_wolopts = __rtl_get_wol(tp);
+
tp->rtl_ops.init(tp);
#if IS_BUILTIN(CONFIG_USB_RTL8152)
/* Retry in case request_firmware() is not ready yet. */
@@ -6722,10 +6829,6 @@ static int rtl8152_probe(struct usb_interface *intf,
goto out1;
}
- if (!rtl_can_wakeup(tp))
- __rtl_set_wol(tp, 0);
-
- tp->saved_wolopts = __rtl_get_wol(tp);
if (tp->saved_wolopts)
device_set_wakeup_enable(&udev->dev, true);
else
diff --git a/drivers/net/wireless/cisco/airo.c b/drivers/net/wireless/cisco/airo.c
index f43c06569ea1..c4c8f1b62e1e 100644
--- a/drivers/net/wireless/cisco/airo.c
+++ b/drivers/net/wireless/cisco/airo.c
@@ -7790,16 +7790,8 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) {
case AIROGVLIST: ridcode = RID_APLIST; break;
case AIROGDRVNAM: ridcode = RID_DRVNAME; break;
case AIROGEHTENC: ridcode = RID_ETHERENCAP; break;
- case AIROGWEPKTMP: ridcode = RID_WEP_TEMP;
- /* Only super-user can read WEP keys */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- break;
- case AIROGWEPKNV: ridcode = RID_WEP_PERM;
- /* Only super-user can read WEP keys */
- if (!capable(CAP_NET_ADMIN))
- return -EPERM;
- break;
+ case AIROGWEPKTMP: ridcode = RID_WEP_TEMP; break;
+ case AIROGWEPKNV: ridcode = RID_WEP_PERM; break;
case AIROGSTAT: ridcode = RID_STATUS; break;
case AIROGSTATSD32: ridcode = RID_STATSDELTA; break;
case AIROGSTATSC32: ridcode = RID_STATS; break;
@@ -7813,7 +7805,13 @@ static int readrids(struct net_device *dev, aironet_ioctl *comp) {
return -EINVAL;
}
- if ((iobuf = kmalloc(RIDSIZE, GFP_KERNEL)) == NULL)
+ if (ridcode == RID_WEP_TEMP || ridcode == RID_WEP_PERM) {
+ /* Only super-user can read WEP keys */
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+ }
+
+ if ((iobuf = kzalloc(RIDSIZE, GFP_KERNEL)) == NULL)
return -ENOMEM;
PC4500_readrid(ai,ridcode,iobuf,RIDSIZE, 1);
diff --git a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
index cd73fc5cfcbb..fd454836adbe 100644
--- a/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/dvm/tx.c
@@ -267,7 +267,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct iwl_station_priv *sta_priv = NULL;
struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
- struct iwl_device_cmd *dev_cmd;
+ struct iwl_device_tx_cmd *dev_cmd;
struct iwl_tx_cmd *tx_cmd;
__le16 fc;
u8 hdr_len;
@@ -348,7 +348,6 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
if (unlikely(!dev_cmd))
goto drop_unlock_priv;
- memset(dev_cmd, 0, sizeof(*dev_cmd));
dev_cmd->hdr.cmd = REPLY_TX;
tx_cmd = (struct iwl_tx_cmd *) dev_cmd->payload;
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
index 40fe2d667622..48d375a86d86 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/acpi.c
@@ -357,8 +357,8 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
{
union acpi_object *wifi_pkg, *data;
bool enabled;
- int i, n_profiles, tbl_rev;
- int ret = 0;
+ int i, n_profiles, tbl_rev, pos;
+ int ret = 0;
data = iwl_acpi_get_object(fwrt->dev, ACPI_EWRD_METHOD);
if (IS_ERR(data))
@@ -390,10 +390,10 @@ int iwl_sar_get_ewrd_table(struct iwl_fw_runtime *fwrt)
goto out_free;
}
- for (i = 0; i < n_profiles; i++) {
- /* the tables start at element 3 */
- int pos = 3;
+ /* the tables start at element 3 */
+ pos = 3;
+ for (i = 0; i < n_profiles; i++) {
/* The EWRD profiles officially go from 2 to 4, but we
* save them in sar_profiles[1-3] (because we don't
* have profile 0). So in the array we start from 1.
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index ed90dd104366..4c60f9959f7b 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2669,12 +2669,7 @@ int iwl_fw_dbg_stop_restart_recording(struct iwl_fw_runtime *fwrt,
{
int ret = 0;
- /* if the FW crashed or not debug monitor cfg was given, there is
- * no point in changing the recording state
- */
- if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status) ||
- (!fwrt->trans->dbg.dest_tlv &&
- fwrt->trans->dbg.ini_dest == IWL_FW_INI_LOCATION_INVALID))
+ if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status))
return 0;
if (fw_has_capa(&fwrt->fw->ucode_capa,
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h
index 92d9898ab7c2..c2f7252ae4e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-csr.h
@@ -379,7 +379,7 @@ enum {
/* CSR GIO */
-#define CSR_GIO_REG_VAL_L0S_ENABLED (0x00000002)
+#define CSR_GIO_REG_VAL_L0S_DISABLED (0x00000002)
/*
* UCODE-DRIVER GP (general purpose) mailbox register 1
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
index f266647dc08c..ce8f248c33ea 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-dbg-tlv.c
@@ -480,7 +480,14 @@ static int iwl_dbg_tlv_alloc_fragment(struct iwl_fw_runtime *fwrt,
if (!frag || frag->size || !pages)
return -EIO;
- while (pages) {
+ /*
+ * We try to allocate as many pages as we can, starting with
+ * the requested amount and going down until we can allocate
+ * something. Because of DIV_ROUND_UP(), pages will never go
+ * down to 0 and stop the loop, so stop when pages reaches 1,
+ * which is too small anyway.
+ */
+ while (pages > 1) {
block = dma_alloc_coherent(fwrt->dev, pages * PAGE_SIZE,
&physical,
GFP_KERNEL | __GFP_NOWARN);
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
index 4096ccf58b07..bc8c959588ca 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-drv.c
@@ -1817,9 +1817,6 @@ MODULE_PARM_DESC(antenna_coupling,
module_param_named(nvm_file, iwlwifi_mod_params.nvm_file, charp, 0444);
MODULE_PARM_DESC(nvm_file, "NVM file name");
-module_param_named(lar_disable, iwlwifi_mod_params.lar_disable, bool, 0444);
-MODULE_PARM_DESC(lar_disable, "disable LAR functionality (default: N)");
-
module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable, uint, 0644);
MODULE_PARM_DESC(uapsd_disable,
"disable U-APSD functionality bitmap 1: BSS 2: P2P Client (default: 3)");
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
index ebea3f308b5d..82e5cac23d8d 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-modparams.h
@@ -115,7 +115,6 @@ enum iwl_uapsd_disable {
* @nvm_file: specifies a external NVM file
* @uapsd_disable: disable U-APSD, see &enum iwl_uapsd_disable, default =
* IWL_DISABLE_UAPSD_BSS | IWL_DISABLE_UAPSD_P2P_CLIENT
- * @lar_disable: disable LAR (regulatory), default = 0
* @fw_monitor: allow to use firmware monitor
* @disable_11ac: disable VHT capabilities, default = false.
* @remove_when_gone: remove an inaccessible device from the PCIe bus.
@@ -136,7 +135,6 @@ struct iwl_mod_params {
int antenna_coupling;
char *nvm_file;
u32 uapsd_disable;
- bool lar_disable;
bool fw_monitor;
bool disable_11ac;
/**
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index 1e240a2a8329..d4f834b52f50 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -224,6 +224,34 @@ enum iwl_nvm_channel_flags {
NVM_CHANNEL_DC_HIGH = BIT(12),
};
+/**
+ * enum iwl_reg_capa_flags - global flags applied for the whole regulatory
+ * domain.
+ * @REG_CAPA_BF_CCD_LOW_BAND: Beam-forming or Cyclic Delay Diversity in the
+ * 2.4Ghz band is allowed.
+ * @REG_CAPA_BF_CCD_HIGH_BAND: Beam-forming or Cyclic Delay Diversity in the
+ * 5Ghz band is allowed.
+ * @REG_CAPA_160MHZ_ALLOWED: 11ac channel with a width of 160Mhz is allowed
+ * for this regulatory domain (valid only in 5Ghz).
+ * @REG_CAPA_80MHZ_ALLOWED: 11ac channel with a width of 80Mhz is allowed
+ * for this regulatory domain (valid only in 5Ghz).
+ * @REG_CAPA_MCS_8_ALLOWED: 11ac with MCS 8 is allowed.
+ * @REG_CAPA_MCS_9_ALLOWED: 11ac with MCS 9 is allowed.
+ * @REG_CAPA_40MHZ_FORBIDDEN: 11n channel with a width of 40Mhz is forbidden
+ * for this regulatory domain (valid only in 5Ghz).
+ * @REG_CAPA_DC_HIGH_ENABLED: DC HIGH allowed.
+ */
+enum iwl_reg_capa_flags {
+ REG_CAPA_BF_CCD_LOW_BAND = BIT(0),
+ REG_CAPA_BF_CCD_HIGH_BAND = BIT(1),
+ REG_CAPA_160MHZ_ALLOWED = BIT(2),
+ REG_CAPA_80MHZ_ALLOWED = BIT(3),
+ REG_CAPA_MCS_8_ALLOWED = BIT(4),
+ REG_CAPA_MCS_9_ALLOWED = BIT(5),
+ REG_CAPA_40MHZ_FORBIDDEN = BIT(7),
+ REG_CAPA_DC_HIGH_ENABLED = BIT(9),
+};
+
static inline void iwl_nvm_print_channel_flags(struct device *dev, u32 level,
int chan, u32 flags)
{
@@ -939,10 +967,11 @@ iwl_nvm_no_wide_in_5ghz(struct iwl_trans *trans, const struct iwl_cfg *cfg,
struct iwl_nvm_data *
iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+ const struct iwl_fw *fw,
const __be16 *nvm_hw, const __le16 *nvm_sw,
const __le16 *nvm_calib, const __le16 *regulatory,
const __le16 *mac_override, const __le16 *phy_sku,
- u8 tx_chains, u8 rx_chains, bool lar_fw_supported)
+ u8 tx_chains, u8 rx_chains)
{
struct iwl_nvm_data *data;
bool lar_enabled;
@@ -1022,7 +1051,8 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
return NULL;
}
- if (lar_fw_supported && lar_enabled)
+ if (lar_enabled &&
+ fw_has_capa(&fw->ucode_capa, IWL_UCODE_TLV_CAPA_LAR_SUPPORT))
sbands_flags |= IWL_NVM_SBANDS_FLAGS_LAR;
if (iwl_nvm_no_wide_in_5ghz(trans, cfg, nvm_hw))
@@ -1038,6 +1068,7 @@ IWL_EXPORT_SYMBOL(iwl_parse_nvm_data);
static u32 iwl_nvm_get_regdom_bw_flags(const u16 *nvm_chan,
int ch_idx, u16 nvm_flags,
+ u16 cap_flags,
const struct iwl_cfg *cfg)
{
u32 flags = NL80211_RRF_NO_HT40;
@@ -1076,13 +1107,27 @@ static u32 iwl_nvm_get_regdom_bw_flags(const u16 *nvm_chan,
(flags & NL80211_RRF_NO_IR))
flags |= NL80211_RRF_GO_CONCURRENT;
+ /*
+ * cap_flags is per regulatory domain so apply it for every channel
+ */
+ if (ch_idx >= NUM_2GHZ_CHANNELS) {
+ if (cap_flags & REG_CAPA_40MHZ_FORBIDDEN)
+ flags |= NL80211_RRF_NO_HT40;
+
+ if (!(cap_flags & REG_CAPA_80MHZ_ALLOWED))
+ flags |= NL80211_RRF_NO_80MHZ;
+
+ if (!(cap_flags & REG_CAPA_160MHZ_ALLOWED))
+ flags |= NL80211_RRF_NO_160MHZ;
+ }
+
return flags;
}
struct ieee80211_regdomain *
iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
int num_of_ch, __le32 *channels, u16 fw_mcc,
- u16 geo_info)
+ u16 geo_info, u16 cap)
{
int ch_idx;
u16 ch_flags;
@@ -1140,7 +1185,8 @@ iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
}
reg_rule_flags = iwl_nvm_get_regdom_bw_flags(nvm_chan, ch_idx,
- ch_flags, cfg);
+ ch_flags, cap,
+ cfg);
/* we can't continue the same rule */
if (ch_idx == 0 || prev_reg_rule_flags != reg_rule_flags ||
@@ -1405,9 +1451,6 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
.id = WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_GET_INFO)
};
int ret;
- bool lar_fw_supported = !iwlwifi_mod_params.lar_disable &&
- fw_has_capa(&fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
bool empty_otp;
u32 mac_flags;
u32 sbands_flags = 0;
@@ -1485,7 +1528,9 @@ struct iwl_nvm_data *iwl_get_nvm(struct iwl_trans *trans,
nvm->valid_tx_ant = (u8)le32_to_cpu(rsp->phy_sku.tx_chains);
nvm->valid_rx_ant = (u8)le32_to_cpu(rsp->phy_sku.rx_chains);
- if (le32_to_cpu(rsp->regulatory.lar_enabled) && lar_fw_supported) {
+ if (le32_to_cpu(rsp->regulatory.lar_enabled) &&
+ fw_has_capa(&fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_LAR_SUPPORT)) {
nvm->lar_enabled = true;
sbands_flags |= IWL_NVM_SBANDS_FLAGS_LAR;
}
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
index b7e1ddf8f177..fb0b385d10fd 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.h
@@ -7,7 +7,7 @@
*
* Copyright(c) 2008 - 2015 Intel Corporation. All rights reserved.
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018 - 2019 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
@@ -29,7 +29,7 @@
*
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- * Copyright(c) 2018 Intel Corporation
+ * Copyright(c) 2018 - 2019 Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -85,10 +85,11 @@ enum iwl_nvm_sbands_flags {
*/
struct iwl_nvm_data *
iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
+ const struct iwl_fw *fw,
const __be16 *nvm_hw, const __le16 *nvm_sw,
const __le16 *nvm_calib, const __le16 *regulatory,
const __le16 *mac_override, const __le16 *phy_sku,
- u8 tx_chains, u8 rx_chains, bool lar_fw_supported);
+ u8 tx_chains, u8 rx_chains);
/**
* iwl_parse_mcc_info - parse MCC (mobile country code) info coming from FW
@@ -103,7 +104,7 @@ iwl_parse_nvm_data(struct iwl_trans *trans, const struct iwl_cfg *cfg,
struct ieee80211_regdomain *
iwl_parse_nvm_mcc_info(struct device *dev, const struct iwl_cfg *cfg,
int num_of_ch, __le32 *channels, u16 fw_mcc,
- u16 geo_info);
+ u16 geo_info, u16 cap);
/**
* struct iwl_nvm_section - describes an NVM section in memory.
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
index 28bdc9a9617e..f91197e4ae40 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c
@@ -66,7 +66,9 @@
struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
struct device *dev,
- const struct iwl_trans_ops *ops)
+ const struct iwl_trans_ops *ops,
+ unsigned int cmd_pool_size,
+ unsigned int cmd_pool_align)
{
struct iwl_trans *trans;
#ifdef CONFIG_LOCKDEP
@@ -90,10 +92,8 @@ struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
"iwl_cmd_pool:%s", dev_name(trans->dev));
trans->dev_cmd_pool =
kmem_cache_create(trans->dev_cmd_pool_name,
- sizeof(struct iwl_device_cmd),
- sizeof(void *),
- SLAB_HWCACHE_ALIGN,
- NULL);
+ cmd_pool_size, cmd_pool_align,
+ SLAB_HWCACHE_ALIGN, NULL);
if (!trans->dev_cmd_pool)
return NULL;
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index 8cadad7364ac..e33df5ad00e0 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -193,6 +193,18 @@ struct iwl_device_cmd {
};
} __packed;
+/**
+ * struct iwl_device_tx_cmd - buffer for TX command
+ * @hdr: the header
+ * @payload: the payload placeholder
+ *
+ * The actual structure is sized dynamically according to need.
+ */
+struct iwl_device_tx_cmd {
+ struct iwl_cmd_header hdr;
+ u8 payload[];
+} __packed;
+
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
/*
@@ -544,7 +556,7 @@ struct iwl_trans_ops {
int (*send_cmd)(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
int (*tx)(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int queue);
+ struct iwl_device_tx_cmd *dev_cmd, int queue);
void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
struct sk_buff_head *skbs);
@@ -948,22 +960,22 @@ iwl_trans_dump_data(struct iwl_trans *trans, u32 dump_mask)
return trans->ops->dump_data(trans, dump_mask);
}
-static inline struct iwl_device_cmd *
+static inline struct iwl_device_tx_cmd *
iwl_trans_alloc_tx_cmd(struct iwl_trans *trans)
{
- return kmem_cache_alloc(trans->dev_cmd_pool, GFP_ATOMIC);
+ return kmem_cache_zalloc(trans->dev_cmd_pool, GFP_ATOMIC);
}
int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
static inline void iwl_trans_free_tx_cmd(struct iwl_trans *trans,
- struct iwl_device_cmd *dev_cmd)
+ struct iwl_device_tx_cmd *dev_cmd)
{
kmem_cache_free(trans->dev_cmd_pool, dev_cmd);
}
static inline int iwl_trans_tx(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int queue)
+ struct iwl_device_tx_cmd *dev_cmd, int queue)
{
if (unlikely(test_bit(STATUS_FW_ERROR, &trans->status)))
return -EIO;
@@ -1271,7 +1283,9 @@ static inline bool iwl_trans_dbg_ini_valid(struct iwl_trans *trans)
*****************************************************/
struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
struct device *dev,
- const struct iwl_trans_ops *ops);
+ const struct iwl_trans_ops *ops,
+ unsigned int cmd_pool_size,
+ unsigned int cmd_pool_align);
void iwl_trans_free(struct iwl_trans *trans);
/*****************************************************
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
index 60aff2ecec12..58df25e2fb32 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h
@@ -154,5 +154,6 @@
#define IWL_MVM_D3_DEBUG false
#define IWL_MVM_USE_TWT false
#define IWL_MVM_AMPDU_CONSEC_DROPS_DELBA 10
+#define IWL_MVM_USE_NSSN_SYNC 0
#endif /* __MVM_CONSTANTS_H */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index dd685f7eb410..c09624d8d7ee 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -841,9 +841,13 @@ int iwl_mvm_ppag_send_cmd(struct iwl_mvm *mvm)
return 0;
}
+ if (!mvm->fwrt.ppag_table.enabled) {
+ IWL_DEBUG_RADIO(mvm,
+ "PPAG not enabled, command not sent.\n");
+ return 0;
+ }
+
IWL_DEBUG_RADIO(mvm, "Sending PER_PLATFORM_ANT_GAIN_CMD\n");
- IWL_DEBUG_RADIO(mvm, "PPAG is %s\n",
- mvm->fwrt.ppag_table.enabled ? "enabled" : "disabled");
for (i = 0; i < ACPI_PPAG_NUM_CHAINS; i++) {
for (j = 0; j < ACPI_PPAG_NUM_SUB_BANDS; j++) {
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 32dc9d6f0fb6..6717f25c46b1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -256,7 +256,8 @@ struct ieee80211_regdomain *iwl_mvm_get_regdomain(struct wiphy *wiphy,
__le32_to_cpu(resp->n_channels),
resp->channels,
__le16_to_cpu(resp->mcc),
- __le16_to_cpu(resp->geo_info));
+ __le16_to_cpu(resp->geo_info),
+ __le16_to_cpu(resp->cap));
/* Store the return source id */
src_id = resp->source_id;
kfree(resp);
@@ -754,6 +755,20 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
return ret;
}
+static void iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_sta *sta)
+{
+ if (likely(sta)) {
+ if (likely(iwl_mvm_tx_skb_sta(mvm, skb, sta) == 0))
+ return;
+ } else {
+ if (likely(iwl_mvm_tx_skb_non_sta(mvm, skb) == 0))
+ return;
+ }
+
+ ieee80211_free_txskb(mvm->hw, skb);
+}
+
static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_control *control,
struct sk_buff *skb)
@@ -797,14 +812,7 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
}
}
- if (sta) {
- if (iwl_mvm_tx_skb(mvm, skb, sta))
- goto drop;
- return;
- }
-
- if (iwl_mvm_tx_skb_non_sta(mvm, skb))
- goto drop;
+ iwl_mvm_tx_skb(mvm, skb, sta);
return;
drop:
ieee80211_free_txskb(hw, skb);
@@ -854,10 +862,7 @@ void iwl_mvm_mac_itxq_xmit(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
break;
}
- if (!txq->sta)
- iwl_mvm_tx_skb_non_sta(mvm, skb);
- else
- iwl_mvm_tx_skb(mvm, skb, txq->sta);
+ iwl_mvm_tx_skb(mvm, skb, txq->sta);
}
} while (atomic_dec_return(&mvmtxq->tx_request));
rcu_read_unlock();
@@ -4771,6 +4776,125 @@ static int iwl_mvm_mac_get_survey(struct ieee80211_hw *hw, int idx,
return ret;
}
+static void iwl_mvm_set_sta_rate(u32 rate_n_flags, struct rate_info *rinfo)
+{
+ switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) {
+ case RATE_MCS_CHAN_WIDTH_20:
+ rinfo->bw = RATE_INFO_BW_20;
+ break;
+ case RATE_MCS_CHAN_WIDTH_40:
+ rinfo->bw = RATE_INFO_BW_40;
+ break;
+ case RATE_MCS_CHAN_WIDTH_80:
+ rinfo->bw = RATE_INFO_BW_80;
+ break;
+ case RATE_MCS_CHAN_WIDTH_160:
+ rinfo->bw = RATE_INFO_BW_160;
+ break;
+ }
+
+ if (rate_n_flags & RATE_MCS_HT_MSK) {
+ rinfo->flags |= RATE_INFO_FLAGS_MCS;
+ rinfo->mcs = u32_get_bits(rate_n_flags, RATE_HT_MCS_INDEX_MSK);
+ rinfo->nss = u32_get_bits(rate_n_flags,
+ RATE_HT_MCS_NSS_MSK) + 1;
+ if (rate_n_flags & RATE_MCS_SGI_MSK)
+ rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else if (rate_n_flags & RATE_MCS_VHT_MSK) {
+ rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
+ rinfo->mcs = u32_get_bits(rate_n_flags,
+ RATE_VHT_MCS_RATE_CODE_MSK);
+ rinfo->nss = u32_get_bits(rate_n_flags,
+ RATE_VHT_MCS_NSS_MSK) + 1;
+ if (rate_n_flags & RATE_MCS_SGI_MSK)
+ rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
+ } else if (rate_n_flags & RATE_MCS_HE_MSK) {
+ u32 gi_ltf = u32_get_bits(rate_n_flags,
+ RATE_MCS_HE_GI_LTF_MSK);
+
+ rinfo->flags |= RATE_INFO_FLAGS_HE_MCS;
+ rinfo->mcs = u32_get_bits(rate_n_flags,
+ RATE_VHT_MCS_RATE_CODE_MSK);
+ rinfo->nss = u32_get_bits(rate_n_flags,
+ RATE_VHT_MCS_NSS_MSK) + 1;
+
+ if (rate_n_flags & RATE_MCS_HE_106T_MSK) {
+ rinfo->bw = RATE_INFO_BW_HE_RU;
+ rinfo->he_ru_alloc = NL80211_RATE_INFO_HE_RU_ALLOC_106;
+ }
+
+ switch (rate_n_flags & RATE_MCS_HE_TYPE_MSK) {
+ case RATE_MCS_HE_TYPE_SU:
+ case RATE_MCS_HE_TYPE_EXT_SU:
+ if (gi_ltf == 0 || gi_ltf == 1)
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
+ else if (gi_ltf == 2)
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
+ else if (rate_n_flags & RATE_MCS_SGI_MSK)
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
+ else
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
+ break;
+ case RATE_MCS_HE_TYPE_MU:
+ if (gi_ltf == 0 || gi_ltf == 1)
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_0_8;
+ else if (gi_ltf == 2)
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
+ else
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
+ break;
+ case RATE_MCS_HE_TYPE_TRIG:
+ if (gi_ltf == 0 || gi_ltf == 1)
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_1_6;
+ else
+ rinfo->he_gi = NL80211_RATE_INFO_HE_GI_3_2;
+ break;
+ }
+
+ if (rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK)
+ rinfo->he_dcm = 1;
+ } else {
+ switch (u32_get_bits(rate_n_flags, RATE_LEGACY_RATE_MSK)) {
+ case IWL_RATE_1M_PLCP:
+ rinfo->legacy = 10;
+ break;
+ case IWL_RATE_2M_PLCP:
+ rinfo->legacy = 20;
+ break;
+ case IWL_RATE_5M_PLCP:
+ rinfo->legacy = 55;
+ break;
+ case IWL_RATE_11M_PLCP:
+ rinfo->legacy = 110;
+ break;
+ case IWL_RATE_6M_PLCP:
+ rinfo->legacy = 60;
+ break;
+ case IWL_RATE_9M_PLCP:
+ rinfo->legacy = 90;
+ break;
+ case IWL_RATE_12M_PLCP:
+ rinfo->legacy = 120;
+ break;
+ case IWL_RATE_18M_PLCP:
+ rinfo->legacy = 180;
+ break;
+ case IWL_RATE_24M_PLCP:
+ rinfo->legacy = 240;
+ break;
+ case IWL_RATE_36M_PLCP:
+ rinfo->legacy = 360;
+ break;
+ case IWL_RATE_48M_PLCP:
+ rinfo->legacy = 480;
+ break;
+ case IWL_RATE_54M_PLCP:
+ rinfo->legacy = 540;
+ break;
+ }
+ }
+}
+
static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
@@ -4785,6 +4909,13 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw,
sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG);
}
+ if (iwl_mvm_has_tlc_offload(mvm)) {
+ struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
+
+ iwl_mvm_set_sta_rate(lq_sta->last_rate_n_flags, &sinfo->txrate);
+ sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+ }
+
/* if beacon filtering isn't on mac80211 does it anyway */
if (!(vif->driver_flags & IEEE80211_VIF_BEACON_FILTER))
return;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 3ec8de00f3aa..67ab7e7e9c9d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1298,9 +1298,6 @@ static inline bool iwl_mvm_is_lar_supported(struct iwl_mvm *mvm)
bool tlv_lar = fw_has_capa(&mvm->fw->ucode_capa,
IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
- if (iwlwifi_mod_params.lar_disable)
- return false;
-
/*
* Enable LAR only if it is supported by the FW (TLV) &&
* enabled in the NVM
@@ -1508,8 +1505,8 @@ int __must_check iwl_mvm_send_cmd_status(struct iwl_mvm *mvm,
int __must_check iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id,
u16 len, const void *data,
u32 *status);
-int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
- struct ieee80211_sta *sta);
+int iwl_mvm_tx_skb_sta(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_sta *sta);
int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb);
void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
struct iwl_tx_cmd *tx_cmd,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
index 945c1ea5cda8..46128a2a9c6e 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/nvm.c
@@ -277,11 +277,10 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
struct iwl_nvm_section *sections = mvm->nvm_sections;
const __be16 *hw;
const __le16 *sw, *calib, *regulatory, *mac_override, *phy_sku;
- bool lar_enabled;
int regulatory_type;
/* Checking for required sections */
- if (mvm->trans->cfg->nvm_type != IWL_NVM_EXT) {
+ if (mvm->trans->cfg->nvm_type == IWL_NVM) {
if (!mvm->nvm_sections[NVM_SECTION_TYPE_SW].data ||
!mvm->nvm_sections[mvm->cfg->nvm_hw_section_num].data) {
IWL_ERR(mvm, "Can't parse empty OTP/NVM sections\n");
@@ -327,14 +326,9 @@ iwl_parse_nvm_sections(struct iwl_mvm *mvm)
(const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY_SDP].data :
(const __le16 *)sections[NVM_SECTION_TYPE_REGULATORY].data;
- lar_enabled = !iwlwifi_mod_params.lar_disable &&
- fw_has_capa(&mvm->fw->ucode_capa,
- IWL_UCODE_TLV_CAPA_LAR_SUPPORT);
-
- return iwl_parse_nvm_data(mvm->trans, mvm->cfg, hw, sw, calib,
+ return iwl_parse_nvm_data(mvm->trans, mvm->cfg, mvm->fw, hw, sw, calib,
regulatory, mac_override, phy_sku,
- mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant,
- lar_enabled);
+ mvm->fw->valid_tx_ant, mvm->fw->valid_rx_ant);
}
/* Loads the NVM data stored in mvm->nvm_sections into the NIC */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
index ef99c49247b7..c15f7dbc9516 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c
@@ -514,14 +514,17 @@ static bool iwl_mvm_is_sn_less(u16 sn1, u16 sn2, u16 buffer_size)
static void iwl_mvm_sync_nssn(struct iwl_mvm *mvm, u8 baid, u16 nssn)
{
- struct iwl_mvm_rss_sync_notif notif = {
- .metadata.type = IWL_MVM_RXQ_NSSN_SYNC,
- .metadata.sync = 0,
- .nssn_sync.baid = baid,
- .nssn_sync.nssn = nssn,
- };
-
- iwl_mvm_sync_rx_queues_internal(mvm, (void *)&notif, sizeof(notif));
+ if (IWL_MVM_USE_NSSN_SYNC) {
+ struct iwl_mvm_rss_sync_notif notif = {
+ .metadata.type = IWL_MVM_RXQ_NSSN_SYNC,
+ .metadata.sync = 0,
+ .nssn_sync.baid = baid,
+ .nssn_sync.nssn = nssn,
+ };
+
+ iwl_mvm_sync_rx_queues_internal(mvm, (void *)&notif,
+ sizeof(notif));
+ }
}
#define RX_REORDER_BUF_TIMEOUT_MQ (HZ / 10)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index a046ac9fa852..a5af8f4128b1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -1213,7 +1213,7 @@ static int iwl_mvm_legacy_config_scan(struct iwl_mvm *mvm)
cmd_size = sizeof(struct iwl_scan_config_v2);
else
cmd_size = sizeof(struct iwl_scan_config_v1);
- cmd_size += num_channels;
+ cmd_size += mvm->fw->ucode_capa.n_scan_channels;
cfg = kzalloc(cmd_size, GFP_KERNEL);
if (!cfg)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 6a241d37a057..a8d0d17f79fd 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -490,13 +490,13 @@ static void iwl_mvm_set_tx_cmd_crypto(struct iwl_mvm *mvm,
/*
* Allocates and sets the Tx cmd the driver data pointers in the skb
*/
-static struct iwl_device_cmd *
+static struct iwl_device_tx_cmd *
iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
struct ieee80211_tx_info *info, int hdrlen,
struct ieee80211_sta *sta, u8 sta_id)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- struct iwl_device_cmd *dev_cmd;
+ struct iwl_device_tx_cmd *dev_cmd;
struct iwl_tx_cmd *tx_cmd;
dev_cmd = iwl_trans_alloc_tx_cmd(mvm->trans);
@@ -504,11 +504,6 @@ iwl_mvm_set_tx_params(struct iwl_mvm *mvm, struct sk_buff *skb,
if (unlikely(!dev_cmd))
return NULL;
- /* Make sure we zero enough of dev_cmd */
- BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_gen2) > sizeof(*tx_cmd));
- BUILD_BUG_ON(sizeof(struct iwl_tx_cmd_gen3) > sizeof(*tx_cmd));
-
- memset(dev_cmd, 0, sizeof(dev_cmd->hdr) + sizeof(*tx_cmd));
dev_cmd->hdr.cmd = TX_CMD;
if (iwl_mvm_has_new_tx_api(mvm)) {
@@ -597,7 +592,7 @@ out:
}
static void iwl_mvm_skb_prepare_status(struct sk_buff *skb,
- struct iwl_device_cmd *cmd)
+ struct iwl_device_tx_cmd *cmd)
{
struct ieee80211_tx_info *skb_info = IEEE80211_SKB_CB(skb);
@@ -716,7 +711,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info info;
- struct iwl_device_cmd *dev_cmd;
+ struct iwl_device_tx_cmd *dev_cmd;
u8 sta_id;
int hdrlen = ieee80211_hdrlen(hdr->frame_control);
__le16 fc = hdr->frame_control;
@@ -1073,7 +1068,7 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
{
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct iwl_mvm_sta *mvmsta;
- struct iwl_device_cmd *dev_cmd;
+ struct iwl_device_tx_cmd *dev_cmd;
__le16 fc;
u16 seq_number = 0;
u8 tid = IWL_MAX_TID_COUNT;
@@ -1149,7 +1144,7 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
if (WARN_ONCE(txq_id == IWL_MVM_INVALID_QUEUE, "Invalid TXQ id")) {
iwl_trans_free_tx_cmd(mvm->trans, dev_cmd);
spin_unlock(&mvmsta->lock);
- return 0;
+ return -1;
}
if (!iwl_mvm_has_new_tx_api(mvm)) {
@@ -1201,8 +1196,8 @@ drop:
return -1;
}
-int iwl_mvm_tx_skb(struct iwl_mvm *mvm, struct sk_buff *skb,
- struct ieee80211_sta *sta)
+int iwl_mvm_tx_skb_sta(struct iwl_mvm *mvm, struct sk_buff *skb,
+ struct ieee80211_sta *sta)
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct ieee80211_tx_info info;
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
index d38cefbb779e..e249e3fd14c6 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
@@ -57,6 +57,42 @@
#include "internal.h"
#include "iwl-prph.h"
+static void *_iwl_pcie_ctxt_info_dma_alloc_coherent(struct iwl_trans *trans,
+ size_t size,
+ dma_addr_t *phys,
+ int depth)
+{
+ void *result;
+
+ if (WARN(depth > 2,
+ "failed to allocate DMA memory not crossing 2^32 boundary"))
+ return NULL;
+
+ result = dma_alloc_coherent(trans->dev, size, phys, GFP_KERNEL);
+
+ if (!result)
+ return NULL;
+
+ if (unlikely(iwl_pcie_crosses_4g_boundary(*phys, size))) {
+ void *old = result;
+ dma_addr_t oldphys = *phys;
+
+ result = _iwl_pcie_ctxt_info_dma_alloc_coherent(trans, size,
+ phys,
+ depth + 1);
+ dma_free_coherent(trans->dev, size, old, oldphys);
+ }
+
+ return result;
+}
+
+static void *iwl_pcie_ctxt_info_dma_alloc_coherent(struct iwl_trans *trans,
+ size_t size,
+ dma_addr_t *phys)
+{
+ return _iwl_pcie_ctxt_info_dma_alloc_coherent(trans, size, phys, 0);
+}
+
void iwl_pcie_ctxt_info_free_paging(struct iwl_trans *trans)
{
struct iwl_self_init_dram *dram = &trans->init_dram;
@@ -161,14 +197,17 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans,
struct iwl_context_info *ctxt_info;
struct iwl_context_info_rbd_cfg *rx_cfg;
u32 control_flags = 0, rb_size;
+ dma_addr_t phys;
int ret;
- ctxt_info = dma_alloc_coherent(trans->dev, sizeof(*ctxt_info),
- &trans_pcie->ctxt_info_dma_addr,
- GFP_KERNEL);
+ ctxt_info = iwl_pcie_ctxt_info_dma_alloc_coherent(trans,
+ sizeof(*ctxt_info),
+ &phys);
if (!ctxt_info)
return -ENOMEM;
+ trans_pcie->ctxt_info_dma_addr = phys;
+
ctxt_info->version.version = 0;
ctxt_info->version.mac_id =
cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV));
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
index a091690f6c79..f14bcef3495e 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/internal.h
@@ -305,7 +305,7 @@ struct iwl_cmd_meta {
#define IWL_FIRST_TB_SIZE_ALIGN ALIGN(IWL_FIRST_TB_SIZE, 64)
struct iwl_pcie_txq_entry {
- struct iwl_device_cmd *cmd;
+ void *cmd;
struct sk_buff *skb;
/* buffer to free after command completes */
const void *free_buf;
@@ -672,6 +672,16 @@ void iwl_pcie_disable_ict(struct iwl_trans *trans);
/*****************************************************
* TX / HCMD
******************************************************/
+/*
+ * We need this inline in case dma_addr_t is only 32-bits - since the
+ * hardware is always 64-bit, the issue can still occur in that case,
+ * so use u64 for 'phys' here to force the addition in 64-bit.
+ */
+static inline bool iwl_pcie_crosses_4g_boundary(u64 phys, u16 len)
+{
+ return upper_32_bits(phys) != upper_32_bits(phys + len);
+}
+
int iwl_pcie_tx_init(struct iwl_trans *trans);
int iwl_pcie_gen2_tx_init(struct iwl_trans *trans, int txq_id,
int queue_size);
@@ -688,7 +698,7 @@ void iwl_trans_pcie_txq_set_shared_mode(struct iwl_trans *trans, u32 txq_id,
void iwl_trans_pcie_log_scd_error(struct iwl_trans *trans,
struct iwl_txq *txq);
int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int txq_id);
+ struct iwl_device_tx_cmd *dev_cmd, int txq_id);
void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans);
int iwl_trans_pcie_send_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd);
void iwl_pcie_cmdq_reclaim(struct iwl_trans *trans, int txq_id, int idx);
@@ -1082,7 +1092,8 @@ void iwl_pcie_apply_destination(struct iwl_trans *trans);
void iwl_pcie_free_tso_page(struct iwl_trans_pcie *trans_pcie,
struct sk_buff *skb);
#ifdef CONFIG_INET
-struct iwl_tso_hdr_page *get_page_hdr(struct iwl_trans *trans, size_t len);
+struct iwl_tso_hdr_page *get_page_hdr(struct iwl_trans *trans, size_t len,
+ struct sk_buff *skb);
#endif
/* common functions that are used by gen3 transport */
@@ -1106,7 +1117,7 @@ int iwl_trans_pcie_dyn_txq_alloc(struct iwl_trans *trans,
unsigned int timeout);
void iwl_trans_pcie_dyn_txq_free(struct iwl_trans *trans, int queue);
int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int txq_id);
+ struct iwl_device_tx_cmd *dev_cmd, int txq_id);
int iwl_trans_pcie_gen2_send_hcmd(struct iwl_trans *trans,
struct iwl_host_cmd *cmd);
void iwl_trans_pcie_gen2_stop_device(struct iwl_trans *trans);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
index 452da44a21e0..f0b8ff67a1bc 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c
@@ -1529,13 +1529,13 @@ out:
napi = &rxq->napi;
if (napi->poll) {
+ napi_gro_flush(napi, false);
+
if (napi->rx_count) {
netif_receive_skb_list(&napi->rx_list);
INIT_LIST_HEAD(&napi->rx_list);
napi->rx_count = 0;
}
-
- napi_gro_flush(napi, false);
}
iwl_pcie_rxq_restock(trans, rxq);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index a0677131634d..f60d66f1e55b 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -79,6 +79,7 @@
#include "iwl-agn-hw.h"
#include "fw/error-dump.h"
#include "fw/dbg.h"
+#include "fw/api/tx.h"
#include "internal.h"
#include "iwl-fh.h"
@@ -301,18 +302,13 @@ void iwl_pcie_apm_config(struct iwl_trans *trans)
u16 cap;
/*
- * HW bug W/A for instability in PCIe bus L0S->L1 transition.
- * Check if BIOS (or OS) enabled L1-ASPM on this device.
- * If so (likely), disable L0S, so device moves directly L0->L1;
- * costs negligible amount of power savings.
- * If not (unlikely), enable L0S, so there is at least some
- * power savings, even without L1.
+ * L0S states have been found to be unstable with our devices
+ * and in newer hardware they are not officially supported at
+ * all, so we must always set the L0S_DISABLED bit.
*/
+ iwl_set_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_DISABLED);
+
pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_LNKCTL, &lctl);
- if (lctl & PCI_EXP_LNKCTL_ASPM_L1)
- iwl_set_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
- else
- iwl_clear_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_ENABLED);
trans->pm_support = !(lctl & PCI_EXP_LNKCTL_ASPM_L0S);
pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_DEVCTL2, &cap);
@@ -3460,19 +3456,34 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
{
struct iwl_trans_pcie *trans_pcie;
struct iwl_trans *trans;
- int ret, addr_size;
+ int ret, addr_size, txcmd_size, txcmd_align;
+ const struct iwl_trans_ops *ops = &trans_ops_pcie_gen2;
+
+ if (!cfg_trans->gen2) {
+ ops = &trans_ops_pcie;
+ txcmd_size = sizeof(struct iwl_tx_cmd);
+ txcmd_align = sizeof(void *);
+ } else if (cfg_trans->device_family < IWL_DEVICE_FAMILY_AX210) {
+ txcmd_size = sizeof(struct iwl_tx_cmd_gen2);
+ txcmd_align = 64;
+ } else {
+ txcmd_size = sizeof(struct iwl_tx_cmd_gen3);
+ txcmd_align = 128;
+ }
+
+ txcmd_size += sizeof(struct iwl_cmd_header);
+ txcmd_size += 36; /* biggest possible 802.11 header */
+
+ /* Ensure device TX cmd cannot reach/cross a page boundary in gen2 */
+ if (WARN_ON(cfg_trans->gen2 && txcmd_size >= txcmd_align))
+ return ERR_PTR(-EINVAL);
ret = pcim_enable_device(pdev);
if (ret)
return ERR_PTR(ret);
- if (cfg_trans->gen2)
- trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie),
- &pdev->dev, &trans_ops_pcie_gen2);
- else
- trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie),
- &pdev->dev, &trans_ops_pcie);
-
+ trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie), &pdev->dev, ops,
+ txcmd_size, txcmd_align);
if (!trans)
return ERR_PTR(-ENOMEM);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
index 8ca0250de99e..bfb984b2e00c 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c
@@ -221,6 +221,17 @@ static int iwl_pcie_gen2_set_tb(struct iwl_trans *trans,
int idx = iwl_pcie_gen2_get_num_tbs(trans, tfd);
struct iwl_tfh_tb *tb;
+ /*
+ * Only WARN here so we know about the issue, but we mess up our
+ * unmap path because not every place currently checks for errors
+ * returned from this function - it can only return an error if
+ * there's no more space, and so when we know there is enough we
+ * don't always check ...
+ */
+ WARN(iwl_pcie_crosses_4g_boundary(addr, len),
+ "possible DMA problem with iova:0x%llx, len:%d\n",
+ (unsigned long long)addr, len);
+
if (WARN_ON(idx >= IWL_TFH_NUM_TBS))
return -EINVAL;
tb = &tfd->tbs[idx];
@@ -240,13 +251,114 @@ static int iwl_pcie_gen2_set_tb(struct iwl_trans *trans,
return idx;
}
+static struct page *get_workaround_page(struct iwl_trans *trans,
+ struct sk_buff *skb)
+{
+ struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+ struct page **page_ptr;
+ struct page *ret;
+
+ page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs);
+
+ ret = alloc_page(GFP_ATOMIC);
+ if (!ret)
+ return NULL;
+
+ /* set the chaining pointer to the previous page if there */
+ *(void **)(page_address(ret) + PAGE_SIZE - sizeof(void *)) = *page_ptr;
+ *page_ptr = ret;
+
+ return ret;
+}
+
+/*
+ * Add a TB and if needed apply the FH HW bug workaround;
+ * meta != NULL indicates that it's a page mapping and we
+ * need to dma_unmap_page() and set the meta->tbs bit in
+ * this case.
+ */
+static int iwl_pcie_gen2_set_tb_with_wa(struct iwl_trans *trans,
+ struct sk_buff *skb,
+ struct iwl_tfh_tfd *tfd,
+ dma_addr_t phys, void *virt,
+ u16 len, struct iwl_cmd_meta *meta)
+{
+ dma_addr_t oldphys = phys;
+ struct page *page;
+ int ret;
+
+ if (unlikely(dma_mapping_error(trans->dev, phys)))
+ return -ENOMEM;
+
+ if (likely(!iwl_pcie_crosses_4g_boundary(phys, len))) {
+ ret = iwl_pcie_gen2_set_tb(trans, tfd, phys, len);
+
+ if (ret < 0)
+ goto unmap;
+
+ if (meta)
+ meta->tbs |= BIT(ret);
+
+ ret = 0;
+ goto trace;
+ }
+
+ /*
+ * Work around a hardware bug. If (as expressed in the
+ * condition above) the TB ends on a 32-bit boundary,
+ * then the next TB may be accessed with the wrong
+ * address.
+ * To work around it, copy the data elsewhere and make
+ * a new mapping for it so the device will not fail.
+ */
+
+ if (WARN_ON(len > PAGE_SIZE - sizeof(void *))) {
+ ret = -ENOBUFS;
+ goto unmap;
+ }
+
+ page = get_workaround_page(trans, skb);
+ if (!page) {
+ ret = -ENOMEM;
+ goto unmap;
+ }
+
+ memcpy(page_address(page), virt, len);
+
+ phys = dma_map_single(trans->dev, page_address(page), len,
+ DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(trans->dev, phys)))
+ return -ENOMEM;
+ ret = iwl_pcie_gen2_set_tb(trans, tfd, phys, len);
+ if (ret < 0) {
+ /* unmap the new allocation as single */
+ oldphys = phys;
+ meta = NULL;
+ goto unmap;
+ }
+ IWL_WARN(trans,
+ "TB bug workaround: copied %d bytes from 0x%llx to 0x%llx\n",
+ len, (unsigned long long)oldphys, (unsigned long long)phys);
+
+ ret = 0;
+unmap:
+ if (meta)
+ dma_unmap_page(trans->dev, oldphys, len, DMA_TO_DEVICE);
+ else
+ dma_unmap_single(trans->dev, oldphys, len, DMA_TO_DEVICE);
+trace:
+ trace_iwlwifi_dev_tx_tb(trans->dev, skb, virt, phys, len);
+
+ return ret;
+}
+
static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans,
struct sk_buff *skb,
struct iwl_tfh_tfd *tfd, int start_len,
- u8 hdr_len, struct iwl_device_cmd *dev_cmd)
+ u8 hdr_len,
+ struct iwl_device_tx_cmd *dev_cmd)
{
#ifdef CONFIG_INET
- struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tx_cmd_gen2 *tx_cmd = (void *)dev_cmd->payload;
struct ieee80211_hdr *hdr = (void *)skb->data;
unsigned int snap_ip_tcp_hdrlen, ip_hdrlen, total_len, hdr_room;
@@ -254,7 +366,6 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans,
u16 length, amsdu_pad;
u8 *start_hdr;
struct iwl_tso_hdr_page *hdr_page;
- struct page **page_ptr;
struct tso_t tso;
trace_iwlwifi_dev_tx(trans->dev, skb, tfd, sizeof(*tfd),
@@ -270,14 +381,11 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans,
(3 + snap_ip_tcp_hdrlen + sizeof(struct ethhdr));
/* Our device supports 9 segments at most, it will fit in 1 page */
- hdr_page = get_page_hdr(trans, hdr_room);
+ hdr_page = get_page_hdr(trans, hdr_room, skb);
if (!hdr_page)
return -ENOMEM;
- get_page(hdr_page->page);
start_hdr = hdr_page->pos;
- page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs);
- *page_ptr = hdr_page->page;
/*
* Pull the ieee80211 header to be able to use TSO core,
@@ -332,6 +440,11 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans,
dev_kfree_skb(csum_skb);
goto out_err;
}
+ /*
+ * No need for _with_wa, this is from the TSO page and
+ * we leave some space at the end of it so can't hit
+ * the buggy scenario.
+ */
iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb_len);
trace_iwlwifi_dev_tx_tb(trans->dev, skb, start_hdr,
tb_phys, tb_len);
@@ -343,16 +456,18 @@ static int iwl_pcie_gen2_build_amsdu(struct iwl_trans *trans,
/* put the payload */
while (data_left) {
+ int ret;
+
tb_len = min_t(unsigned int, tso.size, data_left);
tb_phys = dma_map_single(trans->dev, tso.data,
tb_len, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(trans->dev, tb_phys))) {
+ ret = iwl_pcie_gen2_set_tb_with_wa(trans, skb, tfd,
+ tb_phys, tso.data,
+ tb_len, NULL);
+ if (ret) {
dev_kfree_skb(csum_skb);
goto out_err;
}
- iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb_len);
- trace_iwlwifi_dev_tx_tb(trans->dev, skb, tso.data,
- tb_phys, tb_len);
data_left -= tb_len;
tso_build_data(skb, &tso, tb_len);
@@ -372,7 +487,7 @@ out_err:
static struct
iwl_tfh_tfd *iwl_pcie_gen2_build_tx_amsdu(struct iwl_trans *trans,
struct iwl_txq *txq,
- struct iwl_device_cmd *dev_cmd,
+ struct iwl_device_tx_cmd *dev_cmd,
struct sk_buff *skb,
struct iwl_cmd_meta *out_meta,
int hdr_len,
@@ -386,6 +501,11 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx_amsdu(struct iwl_trans *trans,
tb_phys = iwl_pcie_get_first_tb_dma(txq, idx);
+ /*
+ * No need for _with_wa, the first TB allocation is aligned up
+ * to a 64-byte boundary and thus can't be at the end or cross
+ * a page boundary (much less a 2^32 boundary).
+ */
iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, IWL_FIRST_TB_SIZE);
/*
@@ -404,6 +524,10 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx_amsdu(struct iwl_trans *trans,
tb_phys = dma_map_single(trans->dev, tb1_addr, len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(trans->dev, tb_phys)))
goto out_err;
+ /*
+ * No need for _with_wa(), we ensure (via alignment) that the data
+ * here can never cross or end at a page boundary.
+ */
iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, len);
if (iwl_pcie_gen2_build_amsdu(trans, skb, tfd,
@@ -430,24 +554,19 @@ static int iwl_pcie_gen2_tx_add_frags(struct iwl_trans *trans,
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
const skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
dma_addr_t tb_phys;
- int tb_idx;
+ unsigned int fragsz = skb_frag_size(frag);
+ int ret;
- if (!skb_frag_size(frag))
+ if (!fragsz)
continue;
tb_phys = skb_frag_dma_map(trans->dev, frag, 0,
- skb_frag_size(frag), DMA_TO_DEVICE);
-
- if (unlikely(dma_mapping_error(trans->dev, tb_phys)))
- return -ENOMEM;
- tb_idx = iwl_pcie_gen2_set_tb(trans, tfd, tb_phys,
- skb_frag_size(frag));
- trace_iwlwifi_dev_tx_tb(trans->dev, skb, skb_frag_address(frag),
- tb_phys, skb_frag_size(frag));
- if (tb_idx < 0)
- return tb_idx;
-
- out_meta->tbs |= BIT(tb_idx);
+ fragsz, DMA_TO_DEVICE);
+ ret = iwl_pcie_gen2_set_tb_with_wa(trans, skb, tfd, tb_phys,
+ skb_frag_address(frag),
+ fragsz, out_meta);
+ if (ret)
+ return ret;
}
return 0;
@@ -456,7 +575,7 @@ static int iwl_pcie_gen2_tx_add_frags(struct iwl_trans *trans,
static struct
iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans,
struct iwl_txq *txq,
- struct iwl_device_cmd *dev_cmd,
+ struct iwl_device_tx_cmd *dev_cmd,
struct sk_buff *skb,
struct iwl_cmd_meta *out_meta,
int hdr_len,
@@ -475,6 +594,11 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans,
/* The first TB points to bi-directional DMA data */
memcpy(&txq->first_tb_bufs[idx], dev_cmd, IWL_FIRST_TB_SIZE);
+ /*
+ * No need for _with_wa, the first TB allocation is aligned up
+ * to a 64-byte boundary and thus can't be at the end or cross
+ * a page boundary (much less a 2^32 boundary).
+ */
iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, IWL_FIRST_TB_SIZE);
/*
@@ -496,6 +620,10 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans,
tb_phys = dma_map_single(trans->dev, tb1_addr, tb1_len, DMA_TO_DEVICE);
if (unlikely(dma_mapping_error(trans->dev, tb_phys)))
goto out_err;
+ /*
+ * No need for _with_wa(), we ensure (via alignment) that the data
+ * here can never cross or end at a page boundary.
+ */
iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb1_len);
trace_iwlwifi_dev_tx(trans->dev, skb, tfd, sizeof(*tfd), &dev_cmd->hdr,
IWL_FIRST_TB_SIZE + tb1_len, hdr_len);
@@ -504,26 +632,30 @@ iwl_tfh_tfd *iwl_pcie_gen2_build_tx(struct iwl_trans *trans,
tb2_len = skb_headlen(skb) - hdr_len;
if (tb2_len > 0) {
+ int ret;
+
tb_phys = dma_map_single(trans->dev, skb->data + hdr_len,
tb2_len, DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(trans->dev, tb_phys)))
+ ret = iwl_pcie_gen2_set_tb_with_wa(trans, skb, tfd, tb_phys,
+ skb->data + hdr_len, tb2_len,
+ NULL);
+ if (ret)
goto out_err;
- iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, tb2_len);
- trace_iwlwifi_dev_tx_tb(trans->dev, skb, skb->data + hdr_len,
- tb_phys, tb2_len);
}
if (iwl_pcie_gen2_tx_add_frags(trans, skb, tfd, out_meta))
goto out_err;
skb_walk_frags(skb, frag) {
+ int ret;
+
tb_phys = dma_map_single(trans->dev, frag->data,
skb_headlen(frag), DMA_TO_DEVICE);
- if (unlikely(dma_mapping_error(trans->dev, tb_phys)))
+ ret = iwl_pcie_gen2_set_tb_with_wa(trans, skb, tfd, tb_phys,
+ frag->data,
+ skb_headlen(frag), NULL);
+ if (ret)
goto out_err;
- iwl_pcie_gen2_set_tb(trans, tfd, tb_phys, skb_headlen(frag));
- trace_iwlwifi_dev_tx_tb(trans->dev, skb, frag->data,
- tb_phys, skb_headlen(frag));
if (iwl_pcie_gen2_tx_add_frags(trans, frag, tfd, out_meta))
goto out_err;
}
@@ -538,7 +670,7 @@ out_err:
static
struct iwl_tfh_tfd *iwl_pcie_gen2_build_tfd(struct iwl_trans *trans,
struct iwl_txq *txq,
- struct iwl_device_cmd *dev_cmd,
+ struct iwl_device_tx_cmd *dev_cmd,
struct sk_buff *skb,
struct iwl_cmd_meta *out_meta)
{
@@ -578,7 +710,7 @@ struct iwl_tfh_tfd *iwl_pcie_gen2_build_tfd(struct iwl_trans *trans,
}
int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int txq_id)
+ struct iwl_device_tx_cmd *dev_cmd, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_cmd_meta *out_meta;
@@ -603,7 +735,7 @@ int iwl_trans_pcie_gen2_tx(struct iwl_trans *trans, struct sk_buff *skb,
/* don't put the packet on the ring, if there is no room */
if (unlikely(iwl_queue_space(trans, txq) < 3)) {
- struct iwl_device_cmd **dev_cmd_ptr;
+ struct iwl_device_tx_cmd **dev_cmd_ptr;
dev_cmd_ptr = (void *)((u8 *)skb->cb +
trans_pcie->dev_cmd_offs);
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index f21f16ab2a97..b0eb52b4951b 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -213,8 +213,8 @@ static void iwl_pcie_txq_update_byte_cnt_tbl(struct iwl_trans *trans,
u8 sec_ctl = 0;
u16 len = byte_cnt + IWL_TX_CRC_SIZE + IWL_TX_DELIMITER_SIZE;
__le16 bc_ent;
- struct iwl_tx_cmd *tx_cmd =
- (void *)txq->entries[txq->write_ptr].cmd->payload;
+ struct iwl_device_tx_cmd *dev_cmd = txq->entries[txq->write_ptr].cmd;
+ struct iwl_tx_cmd *tx_cmd = (void *)dev_cmd->payload;
u8 sta_id = tx_cmd->sta_id;
scd_bc_tbl = trans_pcie->scd_bc_tbls.addr;
@@ -257,8 +257,8 @@ static void iwl_pcie_txq_inval_byte_cnt_tbl(struct iwl_trans *trans,
int read_ptr = txq->read_ptr;
u8 sta_id = 0;
__le16 bc_ent;
- struct iwl_tx_cmd *tx_cmd =
- (void *)txq->entries[read_ptr].cmd->payload;
+ struct iwl_device_tx_cmd *dev_cmd = txq->entries[read_ptr].cmd;
+ struct iwl_tx_cmd *tx_cmd = (void *)dev_cmd->payload;
WARN_ON(read_ptr >= TFD_QUEUE_SIZE_MAX);
@@ -624,12 +624,18 @@ void iwl_pcie_free_tso_page(struct iwl_trans_pcie *trans_pcie,
struct sk_buff *skb)
{
struct page **page_ptr;
+ struct page *next;
page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs);
+ next = *page_ptr;
+ *page_ptr = NULL;
- if (*page_ptr) {
- __free_page(*page_ptr);
- *page_ptr = NULL;
+ while (next) {
+ struct page *tmp = next;
+
+ next = *(void **)(page_address(next) + PAGE_SIZE -
+ sizeof(void *));
+ __free_page(tmp);
}
}
@@ -1196,7 +1202,7 @@ void iwl_trans_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
while (!skb_queue_empty(&overflow_skbs)) {
struct sk_buff *skb = __skb_dequeue(&overflow_skbs);
- struct iwl_device_cmd *dev_cmd_ptr;
+ struct iwl_device_tx_cmd *dev_cmd_ptr;
dev_cmd_ptr = *(void **)((u8 *)skb->cb +
trans_pcie->dev_cmd_offs);
@@ -2052,17 +2058,34 @@ static int iwl_fill_data_tbs(struct iwl_trans *trans, struct sk_buff *skb,
}
#ifdef CONFIG_INET
-struct iwl_tso_hdr_page *get_page_hdr(struct iwl_trans *trans, size_t len)
+struct iwl_tso_hdr_page *get_page_hdr(struct iwl_trans *trans, size_t len,
+ struct sk_buff *skb)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct iwl_tso_hdr_page *p = this_cpu_ptr(trans_pcie->tso_hdr_page);
+ struct page **page_ptr;
+
+ page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs);
+
+ if (WARN_ON(*page_ptr))
+ return NULL;
if (!p->page)
goto alloc;
- /* enough room on this page */
- if (p->pos + len < (u8 *)page_address(p->page) + PAGE_SIZE)
- return p;
+ /*
+ * Check if there's enough room on this page
+ *
+ * Note that we put a page chaining pointer *last* in the
+ * page - we need it somewhere, and if it's there then we
+ * avoid DMA mapping the last bits of the page which may
+ * trigger the 32-bit boundary hardware bug.
+ *
+ * (see also get_workaround_page() in tx-gen2.c)
+ */
+ if (p->pos + len < (u8 *)page_address(p->page) + PAGE_SIZE -
+ sizeof(void *))
+ goto out;
/* We don't have enough room on this page, get a new one. */
__free_page(p->page);
@@ -2072,6 +2095,11 @@ alloc:
if (!p->page)
return NULL;
p->pos = page_address(p->page);
+ /* set the chaining pointer to NULL */
+ *(void **)(page_address(p->page) + PAGE_SIZE - sizeof(void *)) = NULL;
+out:
+ *page_ptr = p->page;
+ get_page(p->page);
return p;
}
@@ -2097,7 +2125,8 @@ static void iwl_compute_pseudo_hdr_csum(void *iph, struct tcphdr *tcph,
static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_txq *txq, u8 hdr_len,
struct iwl_cmd_meta *out_meta,
- struct iwl_device_cmd *dev_cmd, u16 tb1_len)
+ struct iwl_device_tx_cmd *dev_cmd,
+ u16 tb1_len)
{
struct iwl_tx_cmd *tx_cmd = (void *)dev_cmd->payload;
struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
@@ -2107,7 +2136,6 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
u16 length, iv_len, amsdu_pad;
u8 *start_hdr;
struct iwl_tso_hdr_page *hdr_page;
- struct page **page_ptr;
struct tso_t tso;
/* if the packet is protected, then it must be CCMP or GCMP */
@@ -2130,14 +2158,11 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
(3 + snap_ip_tcp_hdrlen + sizeof(struct ethhdr)) + iv_len;
/* Our device supports 9 segments at most, it will fit in 1 page */
- hdr_page = get_page_hdr(trans, hdr_room);
+ hdr_page = get_page_hdr(trans, hdr_room, skb);
if (!hdr_page)
return -ENOMEM;
- get_page(hdr_page->page);
start_hdr = hdr_page->pos;
- page_ptr = (void *)((u8 *)skb->cb + trans_pcie->page_offs);
- *page_ptr = hdr_page->page;
memcpy(hdr_page->pos, skb->data + hdr_len, iv_len);
hdr_page->pos += iv_len;
@@ -2279,7 +2304,8 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
struct iwl_txq *txq, u8 hdr_len,
struct iwl_cmd_meta *out_meta,
- struct iwl_device_cmd *dev_cmd, u16 tb1_len)
+ struct iwl_device_tx_cmd *dev_cmd,
+ u16 tb1_len)
{
/* No A-MSDU without CONFIG_INET */
WARN_ON(1);
@@ -2289,7 +2315,7 @@ static int iwl_fill_data_tbs_amsdu(struct iwl_trans *trans, struct sk_buff *skb,
#endif /* CONFIG_INET */
int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
- struct iwl_device_cmd *dev_cmd, int txq_id)
+ struct iwl_device_tx_cmd *dev_cmd, int txq_id)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
struct ieee80211_hdr *hdr;
@@ -2346,7 +2372,7 @@ int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
/* don't put the packet on the ring, if there is no room */
if (unlikely(iwl_queue_space(trans, txq) < 3)) {
- struct iwl_device_cmd **dev_cmd_ptr;
+ struct iwl_device_tx_cmd **dev_cmd_ptr;
dev_cmd_ptr = (void *)((u8 *)skb->cb +
trans_pcie->dev_cmd_offs);
diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c
index 57edfada0665..c9401c121a14 100644
--- a/drivers/net/wireless/marvell/libertas/cfg.c
+++ b/drivers/net/wireless/marvell/libertas/cfg.c
@@ -273,6 +273,10 @@ add_ie_rates(u8 *tlv, const u8 *ie, int *nrates)
int hw, ap, ap_max = ie[1];
u8 hw_rate;
+ if (ap_max > MAX_RATES) {
+ lbs_deb_assoc("invalid rates\n");
+ return tlv;
+ }
/* Advance past IE header */
ie += 2;
@@ -1717,6 +1721,9 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
struct cmd_ds_802_11_ad_hoc_join cmd;
u8 preamble = RADIO_PREAMBLE_SHORT;
int ret = 0;
+ int hw, i;
+ u8 rates_max;
+ u8 *rates;
/* TODO: set preamble based on scan result */
ret = lbs_set_radio(priv, preamble, 1);
@@ -1775,9 +1782,12 @@ static int lbs_ibss_join_existing(struct lbs_private *priv,
if (!rates_eid) {
lbs_add_rates(cmd.bss.rates);
} else {
- int hw, i;
- u8 rates_max = rates_eid[1];
- u8 *rates = cmd.bss.rates;
+ rates_max = rates_eid[1];
+ if (rates_max > MAX_RATES) {
+ lbs_deb_join("invalid rates");
+ goto out;
+ }
+ rates = cmd.bss.rates;
for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
u8 hw_rate = lbs_rates[hw].bitrate / 5;
for (i = 0; i < rates_max; i++) {
diff --git a/drivers/net/wireless/mediatek/mt76/airtime.c b/drivers/net/wireless/mediatek/mt76/airtime.c
index 55116f395f9a..a4a785467748 100644
--- a/drivers/net/wireless/mediatek/mt76/airtime.c
+++ b/drivers/net/wireless/mediatek/mt76/airtime.c
@@ -242,7 +242,7 @@ u32 mt76_calc_rx_airtime(struct mt76_dev *dev, struct mt76_rx_status *status,
return 0;
sband = dev->hw->wiphy->bands[status->band];
- if (!sband || status->rate_idx > sband->n_bitrates)
+ if (!sband || status->rate_idx >= sband->n_bitrates)
return 0;
rate = &sband->bitrates[status->rate_idx];
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index b9f2a401041a..96018fd65779 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -378,7 +378,8 @@ void mt76_unregister_device(struct mt76_dev *dev)
{
struct ieee80211_hw *hw = dev->hw;
- mt76_led_cleanup(dev);
+ if (IS_ENABLED(CONFIG_MT76_LEDS))
+ mt76_led_cleanup(dev);
mt76_tx_status_check(dev, NULL, true);
ieee80211_unregister_hw(hw);
}
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 4937a088d7d8..fbeb9f73ef28 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -5074,18 +5074,25 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_SERVERWORKS, 0x0422, quirk_no_ext_tags);
#ifdef CONFIG_PCI_ATS
/*
- * Some devices have a broken ATS implementation causing IOMMU stalls.
- * Don't use ATS for those devices.
+ * Some devices require additional driver setup to enable ATS. Don't use
+ * ATS for those devices as ATS will be enabled before the driver has had a
+ * chance to load and configure the device.
*/
-static void quirk_no_ats(struct pci_dev *pdev)
+static void quirk_amd_harvest_no_ats(struct pci_dev *pdev)
{
- pci_info(pdev, "disabling ATS (broken on this device)\n");
+ if (pdev->device == 0x7340 && pdev->revision != 0xc5)
+ return;
+
+ pci_info(pdev, "disabling ATS\n");
pdev->ats_cap = 0;
}
/* AMD Stoney platform GPU */
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_no_ats);
-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_no_ats);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x98e4, quirk_amd_harvest_no_ats);
+/* AMD Iceland dGPU */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x6900, quirk_amd_harvest_no_ats);
+/* AMD Navi14 dGPU */
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATI, 0x7340, quirk_amd_harvest_no_ats);
#endif /* CONFIG_PCI_ATS */
/* Freescale PCIe doesn't support MSI in RC mode */
diff --git a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
index 44d7f50bbc82..d936e7aa74c4 100644
--- a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
+++ b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
@@ -49,6 +49,7 @@
.padown_offset = SPT_PAD_OWN, \
.padcfglock_offset = SPT_PADCFGLOCK, \
.hostown_offset = SPT_HOSTSW_OWN, \
+ .is_offset = SPT_GPI_IS, \
.ie_offset = SPT_GPI_IE, \
.pin_base = (s), \
.npins = ((e) - (s) + 1), \
diff --git a/drivers/tee/optee/Kconfig b/drivers/tee/optee/Kconfig
index d1ad512e1708..3ca71e3812ed 100644
--- a/drivers/tee/optee/Kconfig
+++ b/drivers/tee/optee/Kconfig
@@ -3,6 +3,7 @@
config OPTEE
tristate "OP-TEE"
depends on HAVE_ARM_SMCCC
+ depends on MMU
help
This implements the OP-TEE Trusted Execution Environment (TEE)
driver.
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index f639dde2a679..ba4d8f375b3c 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -500,11 +500,8 @@ static int btrfs_dev_replace_start(struct btrfs_fs_info *fs_info,
&dev_replace->scrub_progress, 0, 1);
ret = btrfs_dev_replace_finishing(fs_info, ret);
- if (ret == -EINPROGRESS) {
+ if (ret == -EINPROGRESS)
ret = BTRFS_IOCTL_DEV_REPLACE_RESULT_SCRUB_INPROGRESS;
- } else if (ret != -ECANCELED) {
- WARN_ON(ret);
- }
return ret;
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 21de630b0730..fd266a2d15ec 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3577,17 +3577,27 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
* This can easily boost the amount of SYSTEM chunks if cleaner
* thread can't be triggered fast enough, and use up all space
* of btrfs_super_block::sys_chunk_array
+ *
+ * While for dev replace, we need to try our best to mark block
+ * group RO, to prevent race between:
+ * - Write duplication
+ * Contains latest data
+ * - Scrub copy
+ * Contains data from commit tree
+ *
+ * If target block group is not marked RO, nocow writes can
+ * be overwritten by scrub copy, causing data corruption.
+ * So for dev-replace, it's not allowed to continue if a block
+ * group is not RO.
*/
- ret = btrfs_inc_block_group_ro(cache, false);
- scrub_pause_off(fs_info);
-
+ ret = btrfs_inc_block_group_ro(cache, sctx->is_dev_replace);
if (ret == 0) {
ro_set = 1;
- } else if (ret == -ENOSPC) {
+ } else if (ret == -ENOSPC && !sctx->is_dev_replace) {
/*
* btrfs_inc_block_group_ro return -ENOSPC when it
* failed in creating new chunk for metadata.
- * It is not a problem for scrub/replace, because
+ * It is not a problem for scrub, because
* metadata are always cowed, and our scrub paused
* commit_transactions.
*/
@@ -3596,9 +3606,22 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx,
btrfs_warn(fs_info,
"failed setting block group ro: %d", ret);
btrfs_put_block_group(cache);
+ scrub_pause_off(fs_info);
break;
}
+ /*
+ * Now the target block is marked RO, wait for nocow writes to
+ * finish before dev-replace.
+ * COW is fine, as COW never overwrites extents in commit tree.
+ */
+ if (sctx->is_dev_replace) {
+ btrfs_wait_nocow_writers(cache);
+ btrfs_wait_ordered_roots(fs_info, U64_MAX, cache->start,
+ cache->length);
+ }
+
+ scrub_pause_off(fs_info);
down_write(&dev_replace->rwsem);
dev_replace->cursor_right = found_key.offset + length;
dev_replace->cursor_left = found_key.offset;
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 374db1bd57d1..145d46ba25ae 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -708,8 +708,10 @@ void ceph_mdsc_release_request(struct kref *kref)
/* avoid calling iput_final() in mds dispatch threads */
ceph_async_iput(req->r_inode);
}
- if (req->r_parent)
+ if (req->r_parent) {
ceph_put_cap_refs(ceph_inode(req->r_parent), CEPH_CAP_PIN);
+ ceph_async_iput(req->r_parent);
+ }
ceph_async_iput(req->r_target_inode);
if (req->r_dentry)
dput(req->r_dentry);
@@ -2676,8 +2678,10 @@ int ceph_mdsc_submit_request(struct ceph_mds_client *mdsc, struct inode *dir,
/* take CAP_PIN refs for r_inode, r_parent, r_old_dentry */
if (req->r_inode)
ceph_get_cap_refs(ceph_inode(req->r_inode), CEPH_CAP_PIN);
- if (req->r_parent)
+ if (req->r_parent) {
ceph_get_cap_refs(ceph_inode(req->r_parent), CEPH_CAP_PIN);
+ ihold(req->r_parent);
+ }
if (req->r_old_dentry_dir)
ceph_get_cap_refs(ceph_inode(req->r_old_dentry_dir),
CEPH_CAP_PIN);
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 187dd94fd6b1..5953d7f13690 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -4463,13 +4463,15 @@ static int io_sqe_files_update(struct io_ring_ctx *ctx, void __user *arg,
return -EINVAL;
if (copy_from_user(&up, arg, sizeof(up)))
return -EFAULT;
+ if (up.resv)
+ return -EINVAL;
if (check_add_overflow(up.offset, nr_args, &done))
return -EOVERFLOW;
if (done > ctx->nr_user_files)
return -EINVAL;
done = 0;
- fds = (__s32 __user *) up.fds;
+ fds = u64_to_user_ptr(up.fds);
while (nr_args) {
struct fixed_file_table *table;
unsigned index;
diff --git a/fs/readdir.c b/fs/readdir.c
index d26d5ea4de7b..de2eceffdee8 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -102,10 +102,14 @@ EXPORT_SYMBOL(iterate_dir);
* filename length, and the above "soft error" worry means
* that it's probably better left alone until we have that
* issue clarified.
+ *
+ * Note the PATH_MAX check - it's arbitrary but the real
+ * kernel limit on a possible path component, not NAME_MAX,
+ * which is the technical standard limit.
*/
static int verify_dirent_name(const char *name, int len)
{
- if (!len)
+ if (len <= 0 || len >= PATH_MAX)
return -EIO;
if (memchr(name, '/', len))
return -EIO;
@@ -206,7 +210,7 @@ struct linux_dirent {
struct getdents_callback {
struct dir_context ctx;
struct linux_dirent __user * current_dir;
- struct linux_dirent __user * previous;
+ int prev_reclen;
int count;
int error;
};
@@ -214,12 +218,13 @@ struct getdents_callback {
static int filldir(struct dir_context *ctx, const char *name, int namlen,
loff_t offset, u64 ino, unsigned int d_type)
{
- struct linux_dirent __user * dirent;
+ struct linux_dirent __user *dirent, *prev;
struct getdents_callback *buf =
container_of(ctx, struct getdents_callback, ctx);
unsigned long d_ino;
int reclen = ALIGN(offsetof(struct linux_dirent, d_name) + namlen + 2,
sizeof(long));
+ int prev_reclen;
buf->error = verify_dirent_name(name, namlen);
if (unlikely(buf->error))
@@ -232,28 +237,24 @@ static int filldir(struct dir_context *ctx, const char *name, int namlen,
buf->error = -EOVERFLOW;
return -EOVERFLOW;
}
- dirent = buf->previous;
- if (dirent && signal_pending(current))
+ prev_reclen = buf->prev_reclen;
+ if (prev_reclen && signal_pending(current))
return -EINTR;
-
- /*
- * Note! This range-checks 'previous' (which may be NULL).
- * The real range was checked in getdents
- */
- if (!user_access_begin(dirent, sizeof(*dirent)))
- goto efault;
- if (dirent)
- unsafe_put_user(offset, &dirent->d_off, efault_end);
dirent = buf->current_dir;
+ prev = (void __user *) dirent - prev_reclen;
+ if (!user_access_begin(prev, reclen + prev_reclen))
+ goto efault;
+
+ /* This might be 'dirent->d_off', but if so it will get overwritten */
+ unsafe_put_user(offset, &prev->d_off, efault_end);
unsafe_put_user(d_ino, &dirent->d_ino, efault_end);
unsafe_put_user(reclen, &dirent->d_reclen, efault_end);
unsafe_put_user(d_type, (char __user *) dirent + reclen - 1, efault_end);
unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
user_access_end();
- buf->previous = dirent;
- dirent = (void __user *)dirent + reclen;
- buf->current_dir = dirent;
+ buf->current_dir = (void __user *)dirent + reclen;
+ buf->prev_reclen = reclen;
buf->count -= reclen;
return 0;
efault_end:
@@ -267,7 +268,6 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
struct linux_dirent __user *, dirent, unsigned int, count)
{
struct fd f;
- struct linux_dirent __user * lastdirent;
struct getdents_callback buf = {
.ctx.actor = filldir,
.count = count,
@@ -285,8 +285,10 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
error = iterate_dir(f.file, &buf.ctx);
if (error >= 0)
error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
+ if (buf.prev_reclen) {
+ struct linux_dirent __user * lastdirent;
+ lastdirent = (void __user *)buf.current_dir - buf.prev_reclen;
+
if (put_user(buf.ctx.pos, &lastdirent->d_off))
error = -EFAULT;
else
@@ -299,7 +301,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd,
struct getdents_callback64 {
struct dir_context ctx;
struct linux_dirent64 __user * current_dir;
- struct linux_dirent64 __user * previous;
+ int prev_reclen;
int count;
int error;
};
@@ -307,11 +309,12 @@ struct getdents_callback64 {
static int filldir64(struct dir_context *ctx, const char *name, int namlen,
loff_t offset, u64 ino, unsigned int d_type)
{
- struct linux_dirent64 __user *dirent;
+ struct linux_dirent64 __user *dirent, *prev;
struct getdents_callback64 *buf =
container_of(ctx, struct getdents_callback64, ctx);
int reclen = ALIGN(offsetof(struct linux_dirent64, d_name) + namlen + 1,
sizeof(u64));
+ int prev_reclen;
buf->error = verify_dirent_name(name, namlen);
if (unlikely(buf->error))
@@ -319,30 +322,27 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen,
buf->error = -EINVAL; /* only used if we fail.. */
if (reclen > buf->count)
return -EINVAL;
- dirent = buf->previous;
- if (dirent && signal_pending(current))
+ prev_reclen = buf->prev_reclen;
+ if (prev_reclen && signal_pending(current))
return -EINTR;
-
- /*
- * Note! This range-checks 'previous' (which may be NULL).
- * The real range was checked in getdents
- */
- if (!user_access_begin(dirent, sizeof(*dirent)))
- goto efault;
- if (dirent)
- unsafe_put_user(offset, &dirent->d_off, efault_end);
dirent = buf->current_dir;
+ prev = (void __user *)dirent - prev_reclen;
+ if (!user_access_begin(prev, reclen + prev_reclen))
+ goto efault;
+
+ /* This might be 'dirent->d_off', but if so it will get overwritten */
+ unsafe_put_user(offset, &prev->d_off, efault_end);
unsafe_put_user(ino, &dirent->d_ino, efault_end);
unsafe_put_user(reclen, &dirent->d_reclen, efault_end);
unsafe_put_user(d_type, &dirent->d_type, efault_end);
unsafe_copy_dirent_name(dirent->d_name, name, namlen, efault_end);
user_access_end();
- buf->previous = dirent;
- dirent = (void __user *)dirent + reclen;
- buf->current_dir = dirent;
+ buf->prev_reclen = reclen;
+ buf->current_dir = (void __user *)dirent + reclen;
buf->count -= reclen;
return 0;
+
efault_end:
user_access_end();
efault:
@@ -354,7 +354,6 @@ int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
unsigned int count)
{
struct fd f;
- struct linux_dirent64 __user * lastdirent;
struct getdents_callback64 buf = {
.ctx.actor = filldir64,
.count = count,
@@ -372,9 +371,11 @@ int ksys_getdents64(unsigned int fd, struct linux_dirent64 __user *dirent,
error = iterate_dir(f.file, &buf.ctx);
if (error >= 0)
error = buf.error;
- lastdirent = buf.previous;
- if (lastdirent) {
+ if (buf.prev_reclen) {
+ struct linux_dirent64 __user * lastdirent;
typeof(lastdirent->d_off) d_off = buf.ctx.pos;
+
+ lastdirent = (void __user *) buf.current_dir - buf.prev_reclen;
if (__put_user(d_off, &lastdirent->d_off))
error = -EFAULT;
else
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 62b40df36c98..28b241cd6987 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -319,8 +319,12 @@ static int reiserfs_for_each_xattr(struct inode *inode,
out_dir:
dput(dir);
out:
- /* -ENODATA isn't an error */
- if (err == -ENODATA)
+ /*
+ * -ENODATA: this object doesn't have any xattrs
+ * -EOPNOTSUPP: this file system doesn't have xattrs enabled on disk.
+ * Neither are errors
+ */
+ if (err == -ENODATA || err == -EOPNOTSUPP)
err = 0;
return err;
}
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 11bdf6cb30bd..78e9c6c1b131 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3705,6 +3705,8 @@ int dev_set_alias(struct net_device *, const char *, size_t);
int dev_get_alias(const struct net_device *, char *, size_t);
int dev_change_net_namespace(struct net_device *, struct net *, const char *);
int __dev_set_mtu(struct net_device *, int);
+int dev_validate_mtu(struct net_device *dev, int mtu,
+ struct netlink_ext_ack *extack);
int dev_set_mtu_ext(struct net_device *dev, int mtu,
struct netlink_ext_ack *extack);
int dev_set_mtu(struct net_device *, int);
diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h
index 4d8b1eaf7708..908d38dbcb91 100644
--- a/include/linux/netfilter/ipset/ip_set.h
+++ b/include/linux/netfilter/ipset/ip_set.h
@@ -426,13 +426,6 @@ ip6addrptr(const struct sk_buff *skb, bool src, struct in6_addr *addr)
sizeof(*addr));
}
-/* Calculate the bytes required to store the inclusive range of a-b */
-static inline int
-bitmap_bytes(u32 a, u32 b)
-{
- return 4 * ((((b - a + 8) / 8) + 3) / 4);
-}
-
/* How often should the gc be run by default */
#define IPSET_GC_TIME (3 * 60)
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index cf09ab37b45b..851425c3178f 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -31,7 +31,7 @@ struct nfnetlink_subsystem {
const struct nfnl_callback *cb; /* callback for individual types */
struct module *owner;
int (*commit)(struct net *net, struct sk_buff *skb);
- int (*abort)(struct net *net, struct sk_buff *skb);
+ int (*abort)(struct net *net, struct sk_buff *skb, bool autoload);
void (*cleanup)(struct net *net);
bool (*valid_genid)(struct net *net, u32 genid);
};
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index 86eecbd98e84..f73e1775ded0 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -417,6 +417,36 @@ static inline bool xa_marked(const struct xarray *xa, xa_mark_t mark)
}
/**
+ * xa_for_each_range() - Iterate over a portion of an XArray.
+ * @xa: XArray.
+ * @index: Index of @entry.
+ * @entry: Entry retrieved from array.
+ * @start: First index to retrieve from array.
+ * @last: Last index to retrieve from array.
+ *
+ * During the iteration, @entry will have the value of the entry stored
+ * in @xa at @index. You may modify @index during the iteration if you
+ * want to skip or reprocess indices. It is safe to modify the array
+ * during the iteration. At the end of the iteration, @entry will be set
+ * to NULL and @index will have a value less than or equal to max.
+ *
+ * xa_for_each_range() is O(n.log(n)) while xas_for_each() is O(n). You have
+ * to handle your own locking with xas_for_each(), and if you have to unlock
+ * after each iteration, it will also end up being O(n.log(n)).
+ * xa_for_each_range() will spin if it hits a retry entry; if you intend to
+ * see retry entries, you should use the xas_for_each() iterator instead.
+ * The xas_for_each() iterator will expand into more inline code than
+ * xa_for_each_range().
+ *
+ * Context: Any context. Takes and releases the RCU lock.
+ */
+#define xa_for_each_range(xa, index, entry, start, last) \
+ for (index = start, \
+ entry = xa_find(xa, &index, last, XA_PRESENT); \
+ entry; \
+ entry = xa_find_after(xa, &index, last, XA_PRESENT))
+
+/**
* xa_for_each_start() - Iterate over a portion of an XArray.
* @xa: XArray.
* @index: Index of @entry.
@@ -439,11 +469,8 @@ static inline bool xa_marked(const struct xarray *xa, xa_mark_t mark)
*
* Context: Any context. Takes and releases the RCU lock.
*/
-#define xa_for_each_start(xa, index, entry, start) \
- for (index = start, \
- entry = xa_find(xa, &index, ULONG_MAX, XA_PRESENT); \
- entry; \
- entry = xa_find_after(xa, &index, ULONG_MAX, XA_PRESENT))
+#define xa_for_each_start(xa, index, entry, start) \
+ xa_for_each_range(xa, index, entry, start, ULONG_MAX)
/**
* xa_for_each() - Iterate over present entries in an XArray.
@@ -508,6 +535,14 @@ static inline bool xa_marked(const struct xarray *xa, xa_mark_t mark)
spin_lock_irqsave(&(xa)->xa_lock, flags)
#define xa_unlock_irqrestore(xa, flags) \
spin_unlock_irqrestore(&(xa)->xa_lock, flags)
+#define xa_lock_nested(xa, subclass) \
+ spin_lock_nested(&(xa)->xa_lock, subclass)
+#define xa_lock_bh_nested(xa, subclass) \
+ spin_lock_bh_nested(&(xa)->xa_lock, subclass)
+#define xa_lock_irq_nested(xa, subclass) \
+ spin_lock_irq_nested(&(xa)->xa_lock, subclass)
+#define xa_lock_irqsave_nested(xa, flags, subclass) \
+ spin_lock_irqsave_nested(&(xa)->xa_lock, flags, subclass)
/*
* Versions of the normal API which require the caller to hold the
diff --git a/include/net/netns/nftables.h b/include/net/netns/nftables.h
index 286fd960896f..a1a8d45adb42 100644
--- a/include/net/netns/nftables.h
+++ b/include/net/netns/nftables.h
@@ -7,6 +7,7 @@
struct netns_nftables {
struct list_head tables;
struct list_head commit_list;
+ struct list_head module_list;
struct mutex commit_mutex;
unsigned int base_seq;
u8 gencursor;
diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h
index 9a0e8af21310..a5ccfa67bc5c 100644
--- a/include/trace/events/xen.h
+++ b/include/trace/events/xen.h
@@ -66,7 +66,11 @@ TRACE_EVENT(xen_mc_callback,
TP_PROTO(xen_mc_callback_fn_t fn, void *data),
TP_ARGS(fn, data),
TP_STRUCT__entry(
- __field(xen_mc_callback_fn_t, fn)
+ /*
+ * Use field_struct to avoid is_signed_type()
+ * comparison of a function pointer.
+ */
+ __field_struct(xen_mc_callback_fn_t, fn)
__field(void *, data)
),
TP_fast_assign(
diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index a3300e1b9a01..55cfcb71606d 100644
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -178,7 +178,8 @@ struct io_uring_params {
struct io_uring_files_update {
__u32 offset;
- __s32 *fds;
+ __u32 resv;
+ __aligned_u64 /* __s32 * */ fds;
};
#endif
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 26b9168321e7..d65f2d5ab694 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1147,24 +1147,24 @@ void free_basic_memory_bitmaps(void)
void clear_free_pages(void)
{
-#ifdef CONFIG_PAGE_POISONING_ZERO
struct memory_bitmap *bm = free_pages_map;
unsigned long pfn;
if (WARN_ON(!(free_pages_map)))
return;
- memory_bm_position_reset(bm);
- pfn = memory_bm_next_pfn(bm);
- while (pfn != BM_END_OF_MAP) {
- if (pfn_valid(pfn))
- clear_highpage(pfn_to_page(pfn));
-
+ if (IS_ENABLED(CONFIG_PAGE_POISONING_ZERO) || want_init_on_free()) {
+ memory_bm_position_reset(bm);
pfn = memory_bm_next_pfn(bm);
+ while (pfn != BM_END_OF_MAP) {
+ if (pfn_valid(pfn))
+ clear_highpage(pfn_to_page(pfn));
+
+ pfn = memory_bm_next_pfn(bm);
+ }
+ memory_bm_position_reset(bm);
+ pr_info("free pages cleared after restore\n");
}
- memory_bm_position_reset(bm);
- pr_info("free pages cleared after restore\n");
-#endif /* PAGE_POISONING_ZERO */
}
/**
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index ddb7e7f5fe8d..5b6ee4aadc26 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -9420,6 +9420,11 @@ __init static int tracing_set_default_clock(void)
{
/* sched_clock_stable() is determined in late_initcall */
if (!trace_boot_clock && !sched_clock_stable()) {
+ if (security_locked_down(LOCKDOWN_TRACEFS)) {
+ pr_warn("Can not set tracing clock due to lockdown\n");
+ return -EPERM;
+ }
+
printk(KERN_WARNING
"Unstable clock detected, switching default tracing clock to \"global\"\n"
"If you want to keep using the local clock, then add:\n"
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index f62de5f43e79..6ac35b9e195d 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -116,6 +116,7 @@ struct hist_field {
struct ftrace_event_field *field;
unsigned long flags;
hist_field_fn_t fn;
+ unsigned int ref;
unsigned int size;
unsigned int offset;
unsigned int is_signed;
@@ -1766,11 +1767,13 @@ static struct hist_field *find_var(struct hist_trigger_data *hist_data,
struct event_trigger_data *test;
struct hist_field *hist_field;
+ lockdep_assert_held(&event_mutex);
+
hist_field = find_var_field(hist_data, var_name);
if (hist_field)
return hist_field;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
test_data = test->private_data;
hist_field = find_var_field(test_data, var_name);
@@ -1820,7 +1823,9 @@ static struct hist_field *find_file_var(struct trace_event_file *file,
struct event_trigger_data *test;
struct hist_field *hist_field;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
test_data = test->private_data;
hist_field = find_var_field(test_data, var_name);
@@ -2423,8 +2428,16 @@ static int contains_operator(char *str)
return field_op;
}
+static void get_hist_field(struct hist_field *hist_field)
+{
+ hist_field->ref++;
+}
+
static void __destroy_hist_field(struct hist_field *hist_field)
{
+ if (--hist_field->ref > 1)
+ return;
+
kfree(hist_field->var.name);
kfree(hist_field->name);
kfree(hist_field->type);
@@ -2466,6 +2479,8 @@ static struct hist_field *create_hist_field(struct hist_trigger_data *hist_data,
if (!hist_field)
return NULL;
+ hist_field->ref = 1;
+
hist_field->hist_data = hist_data;
if (flags & HIST_FIELD_FL_EXPR || flags & HIST_FIELD_FL_ALIAS)
@@ -2661,6 +2676,17 @@ static struct hist_field *create_var_ref(struct hist_trigger_data *hist_data,
{
unsigned long flags = HIST_FIELD_FL_VAR_REF;
struct hist_field *ref_field;
+ int i;
+
+ /* Check if the variable already exists */
+ for (i = 0; i < hist_data->n_var_refs; i++) {
+ ref_field = hist_data->var_refs[i];
+ if (ref_field->var.idx == var_field->var.idx &&
+ ref_field->var.hist_data == var_field->hist_data) {
+ get_hist_field(ref_field);
+ return ref_field;
+ }
+ }
ref_field = create_hist_field(var_field->hist_data, NULL, flags, NULL);
if (ref_field) {
@@ -3115,7 +3141,9 @@ static char *find_trigger_filter(struct hist_trigger_data *hist_data,
{
struct event_trigger_data *test;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
if (test->private_data == hist_data)
return test->filter_str;
@@ -3166,9 +3194,11 @@ find_compatible_hist(struct hist_trigger_data *target_hist_data,
struct event_trigger_data *test;
unsigned int n_keys;
+ lockdep_assert_held(&event_mutex);
+
n_keys = target_hist_data->n_fields - target_hist_data->n_vals;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
hist_data = test->private_data;
@@ -5528,7 +5558,7 @@ static int hist_show(struct seq_file *m, void *v)
goto out_unlock;
}
- list_for_each_entry_rcu(data, &event_file->triggers, list) {
+ list_for_each_entry(data, &event_file->triggers, list) {
if (data->cmd_ops->trigger_type == ETT_EVENT_HIST)
hist_trigger_show(m, data, n++);
}
@@ -5921,7 +5951,9 @@ static int hist_register_trigger(char *glob, struct event_trigger_ops *ops,
if (hist_data->attrs->name && !named_data)
goto new;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
if (!hist_trigger_match(data, test, named_data, false))
continue;
@@ -6005,10 +6037,12 @@ static bool have_hist_trigger_match(struct event_trigger_data *data,
struct event_trigger_data *test, *named_data = NULL;
bool match = false;
+ lockdep_assert_held(&event_mutex);
+
if (hist_data->attrs->name)
named_data = find_named_trigger(hist_data->attrs->name);
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
if (hist_trigger_match(data, test, named_data, false)) {
match = true;
@@ -6026,10 +6060,12 @@ static bool hist_trigger_check_refs(struct event_trigger_data *data,
struct hist_trigger_data *hist_data = data->private_data;
struct event_trigger_data *test, *named_data = NULL;
+ lockdep_assert_held(&event_mutex);
+
if (hist_data->attrs->name)
named_data = find_named_trigger(hist_data->attrs->name);
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
if (!hist_trigger_match(data, test, named_data, false))
continue;
@@ -6051,10 +6087,12 @@ static void hist_unregister_trigger(char *glob, struct event_trigger_ops *ops,
struct event_trigger_data *test, *named_data = NULL;
bool unregistered = false;
+ lockdep_assert_held(&event_mutex);
+
if (hist_data->attrs->name)
named_data = find_named_trigger(hist_data->attrs->name);
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
if (!hist_trigger_match(data, test, named_data, false))
continue;
@@ -6080,7 +6118,9 @@ static bool hist_file_check_refs(struct trace_event_file *file)
struct hist_trigger_data *hist_data;
struct event_trigger_data *test;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
hist_data = test->private_data;
if (check_var_refs(hist_data))
@@ -6323,7 +6363,8 @@ hist_enable_trigger(struct event_trigger_data *data, void *rec,
struct enable_trigger_data *enable_data = data->private_data;
struct event_trigger_data *test;
- list_for_each_entry_rcu(test, &enable_data->file->triggers, list) {
+ list_for_each_entry_rcu(test, &enable_data->file->triggers, list,
+ lockdep_is_held(&event_mutex)) {
if (test->cmd_ops->trigger_type == ETT_EVENT_HIST) {
if (enable_data->enable)
test->paused = false;
diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c
index 2cd53ca21b51..40106fff06a4 100644
--- a/kernel/trace/trace_events_trigger.c
+++ b/kernel/trace/trace_events_trigger.c
@@ -501,7 +501,9 @@ void update_cond_flag(struct trace_event_file *file)
struct event_trigger_data *data;
bool set_cond = false;
- list_for_each_entry_rcu(data, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(data, &file->triggers, list) {
if (data->filter || event_command_post_trigger(data->cmd_ops) ||
event_command_needs_rec(data->cmd_ops)) {
set_cond = true;
@@ -536,7 +538,9 @@ static int register_trigger(char *glob, struct event_trigger_ops *ops,
struct event_trigger_data *test;
int ret = 0;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(test, &file->triggers, list) {
if (test->cmd_ops->trigger_type == data->cmd_ops->trigger_type) {
ret = -EEXIST;
goto out;
@@ -581,7 +585,9 @@ static void unregister_trigger(char *glob, struct event_trigger_ops *ops,
struct event_trigger_data *data;
bool unregistered = false;
- list_for_each_entry_rcu(data, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(data, &file->triggers, list) {
if (data->cmd_ops->trigger_type == test->cmd_ops->trigger_type) {
unregistered = true;
list_del_rcu(&data->list);
@@ -1497,7 +1503,9 @@ int event_enable_register_trigger(char *glob,
struct event_trigger_data *test;
int ret = 0;
- list_for_each_entry_rcu(test, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(test, &file->triggers, list) {
test_enable_data = test->private_data;
if (test_enable_data &&
(test->cmd_ops->trigger_type ==
@@ -1537,7 +1545,9 @@ void event_enable_unregister_trigger(char *glob,
struct event_trigger_data *data;
bool unregistered = false;
- list_for_each_entry_rcu(data, &file->triggers, list) {
+ lockdep_assert_held(&event_mutex);
+
+ list_for_each_entry(data, &file->triggers, list) {
enable_data = data->private_data;
if (enable_data &&
(data->cmd_ops->trigger_type ==
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 7f890262c8a3..3f54dc2f6e1c 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -290,7 +290,7 @@ static struct trace_kprobe *alloc_trace_kprobe(const char *group,
INIT_HLIST_NODE(&tk->rp.kp.hlist);
INIT_LIST_HEAD(&tk->rp.kp.list);
- ret = trace_probe_init(&tk->tp, event, group);
+ ret = trace_probe_init(&tk->tp, event, group, false);
if (ret < 0)
goto error;
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index 905b10af5d5c..9ae87be422f2 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -984,15 +984,19 @@ void trace_probe_cleanup(struct trace_probe *tp)
}
int trace_probe_init(struct trace_probe *tp, const char *event,
- const char *group)
+ const char *group, bool alloc_filter)
{
struct trace_event_call *call;
+ size_t size = sizeof(struct trace_probe_event);
int ret = 0;
if (!event || !group)
return -EINVAL;
- tp->event = kzalloc(sizeof(struct trace_probe_event), GFP_KERNEL);
+ if (alloc_filter)
+ size += sizeof(struct trace_uprobe_filter);
+
+ tp->event = kzalloc(size, GFP_KERNEL);
if (!tp->event)
return -ENOMEM;
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
index 4ee703728aec..a0ff9e200ef6 100644
--- a/kernel/trace/trace_probe.h
+++ b/kernel/trace/trace_probe.h
@@ -223,6 +223,12 @@ struct probe_arg {
const struct fetch_type *type; /* Type of this argument */
};
+struct trace_uprobe_filter {
+ rwlock_t rwlock;
+ int nr_systemwide;
+ struct list_head perf_events;
+};
+
/* Event call and class holder */
struct trace_probe_event {
unsigned int flags; /* For TP_FLAG_* */
@@ -230,6 +236,7 @@ struct trace_probe_event {
struct trace_event_call call;
struct list_head files;
struct list_head probes;
+ struct trace_uprobe_filter filter[0];
};
struct trace_probe {
@@ -322,7 +329,7 @@ static inline bool trace_probe_has_single_file(struct trace_probe *tp)
}
int trace_probe_init(struct trace_probe *tp, const char *event,
- const char *group);
+ const char *group, bool alloc_filter);
void trace_probe_cleanup(struct trace_probe *tp);
int trace_probe_append(struct trace_probe *tp, struct trace_probe *to);
void trace_probe_unlink(struct trace_probe *tp);
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 352073d36585..2619bc5ed520 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -34,12 +34,6 @@ struct uprobe_trace_entry_head {
#define DATAOF_TRACE_ENTRY(entry, is_return) \
((void*)(entry) + SIZEOF_TRACE_ENTRY(is_return))
-struct trace_uprobe_filter {
- rwlock_t rwlock;
- int nr_systemwide;
- struct list_head perf_events;
-};
-
static int trace_uprobe_create(int argc, const char **argv);
static int trace_uprobe_show(struct seq_file *m, struct dyn_event *ev);
static int trace_uprobe_release(struct dyn_event *ev);
@@ -60,7 +54,6 @@ static struct dyn_event_operations trace_uprobe_ops = {
*/
struct trace_uprobe {
struct dyn_event devent;
- struct trace_uprobe_filter filter;
struct uprobe_consumer consumer;
struct path path;
struct inode *inode;
@@ -351,7 +344,7 @@ alloc_trace_uprobe(const char *group, const char *event, int nargs, bool is_ret)
if (!tu)
return ERR_PTR(-ENOMEM);
- ret = trace_probe_init(&tu->tp, event, group);
+ ret = trace_probe_init(&tu->tp, event, group, true);
if (ret < 0)
goto error;
@@ -359,7 +352,7 @@ alloc_trace_uprobe(const char *group, const char *event, int nargs, bool is_ret)
tu->consumer.handler = uprobe_dispatcher;
if (is_ret)
tu->consumer.ret_handler = uretprobe_dispatcher;
- init_trace_uprobe_filter(&tu->filter);
+ init_trace_uprobe_filter(tu->tp.event->filter);
return tu;
error:
@@ -1067,13 +1060,14 @@ static void __probe_event_disable(struct trace_probe *tp)
struct trace_probe *pos;
struct trace_uprobe *tu;
+ tu = container_of(tp, struct trace_uprobe, tp);
+ WARN_ON(!uprobe_filter_is_empty(tu->tp.event->filter));
+
list_for_each_entry(pos, trace_probe_probe_list(tp), list) {
tu = container_of(pos, struct trace_uprobe, tp);
if (!tu->inode)
continue;
- WARN_ON(!uprobe_filter_is_empty(&tu->filter));
-
uprobe_unregister(tu->inode, tu->offset, &tu->consumer);
tu->inode = NULL;
}
@@ -1108,7 +1102,7 @@ static int probe_event_enable(struct trace_event_call *call,
}
tu = container_of(tp, struct trace_uprobe, tp);
- WARN_ON(!uprobe_filter_is_empty(&tu->filter));
+ WARN_ON(!uprobe_filter_is_empty(tu->tp.event->filter));
if (enabled)
return 0;
@@ -1205,39 +1199,39 @@ __uprobe_perf_filter(struct trace_uprobe_filter *filter, struct mm_struct *mm)
}
static inline bool
-uprobe_filter_event(struct trace_uprobe *tu, struct perf_event *event)
+trace_uprobe_filter_event(struct trace_uprobe_filter *filter,
+ struct perf_event *event)
{
- return __uprobe_perf_filter(&tu->filter, event->hw.target->mm);
+ return __uprobe_perf_filter(filter, event->hw.target->mm);
}
-static int uprobe_perf_close(struct trace_uprobe *tu, struct perf_event *event)
+static bool trace_uprobe_filter_remove(struct trace_uprobe_filter *filter,
+ struct perf_event *event)
{
bool done;
- write_lock(&tu->filter.rwlock);
+ write_lock(&filter->rwlock);
if (event->hw.target) {
list_del(&event->hw.tp_list);
- done = tu->filter.nr_systemwide ||
+ done = filter->nr_systemwide ||
(event->hw.target->flags & PF_EXITING) ||
- uprobe_filter_event(tu, event);
+ trace_uprobe_filter_event(filter, event);
} else {
- tu->filter.nr_systemwide--;
- done = tu->filter.nr_systemwide;
+ filter->nr_systemwide--;
+ done = filter->nr_systemwide;
}
- write_unlock(&tu->filter.rwlock);
+ write_unlock(&filter->rwlock);
- if (!done)
- return uprobe_apply(tu->inode, tu->offset, &tu->consumer, false);
-
- return 0;
+ return done;
}
-static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event)
+/* This returns true if the filter always covers target mm */
+static bool trace_uprobe_filter_add(struct trace_uprobe_filter *filter,
+ struct perf_event *event)
{
bool done;
- int err;
- write_lock(&tu->filter.rwlock);
+ write_lock(&filter->rwlock);
if (event->hw.target) {
/*
* event->parent != NULL means copy_process(), we can avoid
@@ -1247,28 +1241,21 @@ static int uprobe_perf_open(struct trace_uprobe *tu, struct perf_event *event)
* attr.enable_on_exec means that exec/mmap will install the
* breakpoints we need.
*/
- done = tu->filter.nr_systemwide ||
+ done = filter->nr_systemwide ||
event->parent || event->attr.enable_on_exec ||
- uprobe_filter_event(tu, event);
- list_add(&event->hw.tp_list, &tu->filter.perf_events);
+ trace_uprobe_filter_event(filter, event);
+ list_add(&event->hw.tp_list, &filter->perf_events);
} else {
- done = tu->filter.nr_systemwide;
- tu->filter.nr_systemwide++;
+ done = filter->nr_systemwide;
+ filter->nr_systemwide++;
}
- write_unlock(&tu->filter.rwlock);
+ write_unlock(&filter->rwlock);
- err = 0;
- if (!done) {
- err = uprobe_apply(tu->inode, tu->offset, &tu->consumer, true);
- if (err)
- uprobe_perf_close(tu, event);
- }
- return err;
+ return done;
}
-static int uprobe_perf_multi_call(struct trace_event_call *call,
- struct perf_event *event,
- int (*op)(struct trace_uprobe *tu, struct perf_event *event))
+static int uprobe_perf_close(struct trace_event_call *call,
+ struct perf_event *event)
{
struct trace_probe *pos, *tp;
struct trace_uprobe *tu;
@@ -1278,25 +1265,59 @@ static int uprobe_perf_multi_call(struct trace_event_call *call,
if (WARN_ON_ONCE(!tp))
return -ENODEV;
+ tu = container_of(tp, struct trace_uprobe, tp);
+ if (trace_uprobe_filter_remove(tu->tp.event->filter, event))
+ return 0;
+
list_for_each_entry(pos, trace_probe_probe_list(tp), list) {
tu = container_of(pos, struct trace_uprobe, tp);
- ret = op(tu, event);
+ ret = uprobe_apply(tu->inode, tu->offset, &tu->consumer, false);
if (ret)
break;
}
return ret;
}
+
+static int uprobe_perf_open(struct trace_event_call *call,
+ struct perf_event *event)
+{
+ struct trace_probe *pos, *tp;
+ struct trace_uprobe *tu;
+ int err = 0;
+
+ tp = trace_probe_primary_from_call(call);
+ if (WARN_ON_ONCE(!tp))
+ return -ENODEV;
+
+ tu = container_of(tp, struct trace_uprobe, tp);
+ if (trace_uprobe_filter_add(tu->tp.event->filter, event))
+ return 0;
+
+ list_for_each_entry(pos, trace_probe_probe_list(tp), list) {
+ err = uprobe_apply(tu->inode, tu->offset, &tu->consumer, true);
+ if (err) {
+ uprobe_perf_close(call, event);
+ break;
+ }
+ }
+
+ return err;
+}
+
static bool uprobe_perf_filter(struct uprobe_consumer *uc,
enum uprobe_filter_ctx ctx, struct mm_struct *mm)
{
+ struct trace_uprobe_filter *filter;
struct trace_uprobe *tu;
int ret;
tu = container_of(uc, struct trace_uprobe, consumer);
- read_lock(&tu->filter.rwlock);
- ret = __uprobe_perf_filter(&tu->filter, mm);
- read_unlock(&tu->filter.rwlock);
+ filter = tu->tp.event->filter;
+
+ read_lock(&filter->rwlock);
+ ret = __uprobe_perf_filter(filter, mm);
+ read_unlock(&filter->rwlock);
return ret;
}
@@ -1419,10 +1440,10 @@ trace_uprobe_register(struct trace_event_call *event, enum trace_reg type,
return 0;
case TRACE_REG_PERF_OPEN:
- return uprobe_perf_multi_call(event, data, uprobe_perf_open);
+ return uprobe_perf_open(event, data);
case TRACE_REG_PERF_CLOSE:
- return uprobe_perf_multi_call(event, data, uprobe_perf_close);
+ return uprobe_perf_close(event, data);
#endif
default:
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
index dccb95af6003..706020b06617 100644
--- a/lib/strncpy_from_user.c
+++ b/lib/strncpy_from_user.c
@@ -30,13 +30,6 @@ static inline long do_strncpy_from_user(char *dst, const char __user *src,
const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS;
unsigned long res = 0;
- /*
- * Truncate 'max' to the user-specified limit, so that
- * we only have one limit we need to check in the loop
- */
- if (max > count)
- max = count;
-
if (IS_UNALIGNED(src, dst))
goto byte_at_a_time;
@@ -114,6 +107,13 @@ long strncpy_from_user(char *dst, const char __user *src, long count)
unsigned long max = max_addr - src_addr;
long retval;
+ /*
+ * Truncate 'max' to the user-specified limit, so that
+ * we only have one limit we need to check in the loop
+ */
+ if (max > count)
+ max = count;
+
kasan_check_write(dst, count);
check_object_size(dst, count, false);
if (user_access_begin(src, max)) {
diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c
index 6c0005d5dd5c..41670d4a5816 100644
--- a/lib/strnlen_user.c
+++ b/lib/strnlen_user.c
@@ -27,13 +27,6 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count,
unsigned long c;
/*
- * Truncate 'max' to the user-specified limit, so that
- * we only have one limit we need to check in the loop
- */
- if (max > count)
- max = count;
-
- /*
* Do everything aligned. But that means that we
* need to also expand the maximum..
*/
@@ -109,6 +102,13 @@ long strnlen_user(const char __user *str, long count)
unsigned long max = max_addr - src_addr;
long retval;
+ /*
+ * Truncate 'max' to the user-specified limit, so that
+ * we only have one limit we need to check in the loop
+ */
+ if (max > count)
+ max = count;
+
if (user_access_begin(str, max)) {
retval = do_strnlen_user(str, count, max);
user_access_end();
diff --git a/lib/test_xarray.c b/lib/test_xarray.c
index 7df4f7f395bf..55c14e8c8859 100644
--- a/lib/test_xarray.c
+++ b/lib/test_xarray.c
@@ -2,6 +2,7 @@
/*
* test_xarray.c: Test the XArray API
* Copyright (c) 2017-2018 Microsoft Corporation
+ * Copyright (c) 2019-2020 Oracle
* Author: Matthew Wilcox <willy@infradead.org>
*/
@@ -902,28 +903,34 @@ static noinline void check_store_iter(struct xarray *xa)
XA_BUG_ON(xa, !xa_empty(xa));
}
-static noinline void check_multi_find(struct xarray *xa)
+static noinline void check_multi_find_1(struct xarray *xa, unsigned order)
{
#ifdef CONFIG_XARRAY_MULTI
+ unsigned long multi = 3 << order;
+ unsigned long next = 4 << order;
unsigned long index;
- xa_store_order(xa, 12, 2, xa_mk_value(12), GFP_KERNEL);
- XA_BUG_ON(xa, xa_store_index(xa, 16, GFP_KERNEL) != NULL);
+ xa_store_order(xa, multi, order, xa_mk_value(multi), GFP_KERNEL);
+ XA_BUG_ON(xa, xa_store_index(xa, next, GFP_KERNEL) != NULL);
+ XA_BUG_ON(xa, xa_store_index(xa, next + 1, GFP_KERNEL) != NULL);
index = 0;
XA_BUG_ON(xa, xa_find(xa, &index, ULONG_MAX, XA_PRESENT) !=
- xa_mk_value(12));
- XA_BUG_ON(xa, index != 12);
- index = 13;
+ xa_mk_value(multi));
+ XA_BUG_ON(xa, index != multi);
+ index = multi + 1;
XA_BUG_ON(xa, xa_find(xa, &index, ULONG_MAX, XA_PRESENT) !=
- xa_mk_value(12));
- XA_BUG_ON(xa, (index < 12) || (index >= 16));
+ xa_mk_value(multi));
+ XA_BUG_ON(xa, (index < multi) || (index >= next));
XA_BUG_ON(xa, xa_find_after(xa, &index, ULONG_MAX, XA_PRESENT) !=
- xa_mk_value(16));
- XA_BUG_ON(xa, index != 16);
-
- xa_erase_index(xa, 12);
- xa_erase_index(xa, 16);
+ xa_mk_value(next));
+ XA_BUG_ON(xa, index != next);
+ XA_BUG_ON(xa, xa_find_after(xa, &index, next, XA_PRESENT) != NULL);
+ XA_BUG_ON(xa, index != next);
+
+ xa_erase_index(xa, multi);
+ xa_erase_index(xa, next);
+ xa_erase_index(xa, next + 1);
XA_BUG_ON(xa, !xa_empty(xa));
#endif
}
@@ -1046,12 +1053,33 @@ static noinline void check_find_3(struct xarray *xa)
xa_destroy(xa);
}
+static noinline void check_find_4(struct xarray *xa)
+{
+ unsigned long index = 0;
+ void *entry;
+
+ xa_store_index(xa, ULONG_MAX, GFP_KERNEL);
+
+ entry = xa_find_after(xa, &index, ULONG_MAX, XA_PRESENT);
+ XA_BUG_ON(xa, entry != xa_mk_index(ULONG_MAX));
+
+ entry = xa_find_after(xa, &index, ULONG_MAX, XA_PRESENT);
+ XA_BUG_ON(xa, entry);
+
+ xa_erase_index(xa, ULONG_MAX);
+}
+
static noinline void check_find(struct xarray *xa)
{
+ unsigned i;
+
check_find_1(xa);
check_find_2(xa);
check_find_3(xa);
- check_multi_find(xa);
+ check_find_4(xa);
+
+ for (i = 2; i < 10; i++)
+ check_multi_find_1(xa, i);
check_multi_find_2(xa);
}
@@ -1132,6 +1160,27 @@ static noinline void check_move_tiny(struct xarray *xa)
XA_BUG_ON(xa, !xa_empty(xa));
}
+static noinline void check_move_max(struct xarray *xa)
+{
+ XA_STATE(xas, xa, 0);
+
+ xa_store_index(xa, ULONG_MAX, GFP_KERNEL);
+ rcu_read_lock();
+ XA_BUG_ON(xa, xas_find(&xas, ULONG_MAX) != xa_mk_index(ULONG_MAX));
+ XA_BUG_ON(xa, xas_find(&xas, ULONG_MAX) != NULL);
+ rcu_read_unlock();
+
+ xas_set(&xas, 0);
+ rcu_read_lock();
+ XA_BUG_ON(xa, xas_find(&xas, ULONG_MAX) != xa_mk_index(ULONG_MAX));
+ xas_pause(&xas);
+ XA_BUG_ON(xa, xas_find(&xas, ULONG_MAX) != NULL);
+ rcu_read_unlock();
+
+ xa_erase_index(xa, ULONG_MAX);
+ XA_BUG_ON(xa, !xa_empty(xa));
+}
+
static noinline void check_move_small(struct xarray *xa, unsigned long idx)
{
XA_STATE(xas, xa, 0);
@@ -1240,6 +1289,7 @@ static noinline void check_move(struct xarray *xa)
xa_destroy(xa);
check_move_tiny(xa);
+ check_move_max(xa);
for (i = 0; i < 16; i++)
check_move_small(xa, 1UL << i);
diff --git a/lib/xarray.c b/lib/xarray.c
index 1237c213f52b..1d9fab7db8da 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -1,7 +1,8 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* XArray implementation
- * Copyright (c) 2017 Microsoft Corporation
+ * Copyright (c) 2017-2018 Microsoft Corporation
+ * Copyright (c) 2018-2020 Oracle
* Author: Matthew Wilcox <willy@infradead.org>
*/
@@ -967,6 +968,7 @@ void xas_pause(struct xa_state *xas)
if (xas_invalid(xas))
return;
+ xas->xa_node = XAS_RESTART;
if (node) {
unsigned int offset = xas->xa_offset;
while (++offset < XA_CHUNK_SIZE) {
@@ -974,10 +976,11 @@ void xas_pause(struct xa_state *xas)
break;
}
xas->xa_index += (offset - xas->xa_offset) << node->shift;
+ if (xas->xa_index == 0)
+ xas->xa_node = XAS_BOUNDS;
} else {
xas->xa_index++;
}
- xas->xa_node = XAS_RESTART;
}
EXPORT_SYMBOL_GPL(xas_pause);
@@ -1079,13 +1082,15 @@ void *xas_find(struct xa_state *xas, unsigned long max)
{
void *entry;
- if (xas_error(xas))
+ if (xas_error(xas) || xas->xa_node == XAS_BOUNDS)
return NULL;
+ if (xas->xa_index > max)
+ return set_bounds(xas);
if (!xas->xa_node) {
xas->xa_index = 1;
return set_bounds(xas);
- } else if (xas_top(xas->xa_node)) {
+ } else if (xas->xa_node == XAS_RESTART) {
entry = xas_load(xas);
if (entry || xas_not_node(xas->xa_node))
return entry;
@@ -1150,6 +1155,8 @@ void *xas_find_marked(struct xa_state *xas, unsigned long max, xa_mark_t mark)
if (xas_error(xas))
return NULL;
+ if (xas->xa_index > max)
+ goto max;
if (!xas->xa_node) {
xas->xa_index = 1;
@@ -1824,6 +1831,17 @@ void *xa_find(struct xarray *xa, unsigned long *indexp,
}
EXPORT_SYMBOL(xa_find);
+static bool xas_sibling(struct xa_state *xas)
+{
+ struct xa_node *node = xas->xa_node;
+ unsigned long mask;
+
+ if (!node)
+ return false;
+ mask = (XA_CHUNK_SIZE << node->shift) - 1;
+ return (xas->xa_index & mask) > (xas->xa_offset << node->shift);
+}
+
/**
* xa_find_after() - Search the XArray for a present entry.
* @xa: XArray.
@@ -1847,21 +1865,20 @@ void *xa_find_after(struct xarray *xa, unsigned long *indexp,
XA_STATE(xas, xa, *indexp + 1);
void *entry;
+ if (xas.xa_index == 0)
+ return NULL;
+
rcu_read_lock();
for (;;) {
if ((__force unsigned int)filter < XA_MAX_MARKS)
entry = xas_find_marked(&xas, max, filter);
else
entry = xas_find(&xas, max);
- if (xas.xa_node == XAS_BOUNDS)
+
+ if (xas_invalid(&xas))
break;
- if (xas.xa_shift) {
- if (xas.xa_index & ((1UL << xas.xa_shift) - 1))
- continue;
- } else {
- if (xas.xa_offset < (xas.xa_index & XA_CHUNK_MASK))
- continue;
- }
+ if (xas_sibling(&xas))
+ continue;
if (!xas_retry(&xas, entry))
break;
}
diff --git a/net/atm/proc.c b/net/atm/proc.c
index d79221fd4dae..c31896707313 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -134,8 +134,7 @@ static void vcc_seq_stop(struct seq_file *seq, void *v)
static void *vcc_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
v = vcc_walk(seq, 1);
- if (v)
- (*pos)++;
+ (*pos)++;
return v;
}
diff --git a/net/caif/caif_usb.c b/net/caif/caif_usb.c
index 76bd67891fb3..a0116b9503d9 100644
--- a/net/caif/caif_usb.c
+++ b/net/caif/caif_usb.c
@@ -62,7 +62,7 @@ static int cfusbl_transmit(struct cflayer *layr, struct cfpkt *pkt)
hpad = (info->hdr_len + CFUSB_PAD_DESCR_SZ) & (CFUSB_ALIGNMENT - 1);
if (skb_headroom(skb) < ETH_HLEN + CFUSB_PAD_DESCR_SZ + hpad) {
- pr_warn("Headroom to small\n");
+ pr_warn("Headroom too small\n");
kfree_skb(skb);
return -EIO;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index 4dcc1b390667..c806b078097b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5489,9 +5489,29 @@ static void flush_all_backlogs(void)
put_online_cpus();
}
+/* Pass the currently batched GRO_NORMAL SKBs up to the stack. */
+static void gro_normal_list(struct napi_struct *napi)
+{
+ if (!napi->rx_count)
+ return;
+ netif_receive_skb_list_internal(&napi->rx_list);
+ INIT_LIST_HEAD(&napi->rx_list);
+ napi->rx_count = 0;
+}
+
+/* Queue one GRO_NORMAL SKB up for list processing. If batch size exceeded,
+ * pass the whole batch up to the stack.
+ */
+static void gro_normal_one(struct napi_struct *napi, struct sk_buff *skb)
+{
+ list_add_tail(&skb->list, &napi->rx_list);
+ if (++napi->rx_count >= gro_normal_batch)
+ gro_normal_list(napi);
+}
+
INDIRECT_CALLABLE_DECLARE(int inet_gro_complete(struct sk_buff *, int));
INDIRECT_CALLABLE_DECLARE(int ipv6_gro_complete(struct sk_buff *, int));
-static int napi_gro_complete(struct sk_buff *skb)
+static int napi_gro_complete(struct napi_struct *napi, struct sk_buff *skb)
{
struct packet_offload *ptype;
__be16 type = skb->protocol;
@@ -5524,7 +5544,8 @@ static int napi_gro_complete(struct sk_buff *skb)
}
out:
- return netif_receive_skb_internal(skb);
+ gro_normal_one(napi, skb);
+ return NET_RX_SUCCESS;
}
static void __napi_gro_flush_chain(struct napi_struct *napi, u32 index,
@@ -5537,7 +5558,7 @@ static void __napi_gro_flush_chain(struct napi_struct *napi, u32 index,
if (flush_old && NAPI_GRO_CB(skb)->age == jiffies)
return;
skb_list_del_init(skb);
- napi_gro_complete(skb);
+ napi_gro_complete(napi, skb);
napi->gro_hash[index].count--;
}
@@ -5639,7 +5660,7 @@ static void gro_pull_from_frag0(struct sk_buff *skb, int grow)
}
}
-static void gro_flush_oldest(struct list_head *head)
+static void gro_flush_oldest(struct napi_struct *napi, struct list_head *head)
{
struct sk_buff *oldest;
@@ -5655,7 +5676,7 @@ static void gro_flush_oldest(struct list_head *head)
* SKB to the chain.
*/
skb_list_del_init(oldest);
- napi_gro_complete(oldest);
+ napi_gro_complete(napi, oldest);
}
INDIRECT_CALLABLE_DECLARE(struct sk_buff *inet_gro_receive(struct list_head *,
@@ -5731,7 +5752,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
if (pp) {
skb_list_del_init(pp);
- napi_gro_complete(pp);
+ napi_gro_complete(napi, pp);
napi->gro_hash[hash].count--;
}
@@ -5742,7 +5763,7 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
goto normal;
if (unlikely(napi->gro_hash[hash].count >= MAX_GRO_SKBS)) {
- gro_flush_oldest(gro_head);
+ gro_flush_oldest(napi, gro_head);
} else {
napi->gro_hash[hash].count++;
}
@@ -5800,26 +5821,6 @@ struct packet_offload *gro_find_complete_by_type(__be16 type)
}
EXPORT_SYMBOL(gro_find_complete_by_type);
-/* Pass the currently batched GRO_NORMAL SKBs up to the stack. */
-static void gro_normal_list(struct napi_struct *napi)
-{
- if (!napi->rx_count)
- return;
- netif_receive_skb_list_internal(&napi->rx_list);
- INIT_LIST_HEAD(&napi->rx_list);
- napi->rx_count = 0;
-}
-
-/* Queue one GRO_NORMAL SKB up for list processing. If batch size exceeded,
- * pass the whole batch up to the stack.
- */
-static void gro_normal_one(struct napi_struct *napi, struct sk_buff *skb)
-{
- list_add_tail(&skb->list, &napi->rx_list);
- if (++napi->rx_count >= gro_normal_batch)
- gro_normal_list(napi);
-}
-
static void napi_skb_free_stolen_head(struct sk_buff *skb)
{
skb_dst_drop(skb);
@@ -6198,8 +6199,6 @@ bool napi_complete_done(struct napi_struct *n, int work_done)
NAPIF_STATE_IN_BUSY_POLL)))
return false;
- gro_normal_list(n);
-
if (n->gro_bitmask) {
unsigned long timeout = 0;
@@ -6215,6 +6214,9 @@ bool napi_complete_done(struct napi_struct *n, int work_done)
hrtimer_start(&n->timer, ns_to_ktime(timeout),
HRTIMER_MODE_REL_PINNED);
}
+
+ gro_normal_list(n);
+
if (unlikely(!list_empty(&n->poll_list))) {
/* If n->poll_list is not empty, we need to mask irqs */
local_irq_save(flags);
@@ -6546,8 +6548,6 @@ static int napi_poll(struct napi_struct *n, struct list_head *repoll)
goto out_unlock;
}
- gro_normal_list(n);
-
if (n->gro_bitmask) {
/* flush too old packets
* If HZ < 1000, flush all packets.
@@ -6555,6 +6555,8 @@ static int napi_poll(struct napi_struct *n, struct list_head *repoll)
napi_gro_flush(n, HZ >= 1000);
}
+ gro_normal_list(n);
+
/* Some drivers may have called napi_schedule
* prior to exhausting their budget.
*/
@@ -8192,6 +8194,22 @@ int __dev_set_mtu(struct net_device *dev, int new_mtu)
}
EXPORT_SYMBOL(__dev_set_mtu);
+int dev_validate_mtu(struct net_device *dev, int new_mtu,
+ struct netlink_ext_ack *extack)
+{
+ /* MTU must be positive, and in range */
+ if (new_mtu < 0 || new_mtu < dev->min_mtu) {
+ NL_SET_ERR_MSG(extack, "mtu less than device minimum");
+ return -EINVAL;
+ }
+
+ if (dev->max_mtu > 0 && new_mtu > dev->max_mtu) {
+ NL_SET_ERR_MSG(extack, "mtu greater than device maximum");
+ return -EINVAL;
+ }
+ return 0;
+}
+
/**
* dev_set_mtu_ext - Change maximum transfer unit
* @dev: device
@@ -8208,16 +8226,9 @@ int dev_set_mtu_ext(struct net_device *dev, int new_mtu,
if (new_mtu == dev->mtu)
return 0;
- /* MTU must be positive, and in range */
- if (new_mtu < 0 || new_mtu < dev->min_mtu) {
- NL_SET_ERR_MSG(extack, "mtu less than device minimum");
- return -EINVAL;
- }
-
- if (dev->max_mtu > 0 && new_mtu > dev->max_mtu) {
- NL_SET_ERR_MSG(extack, "mtu greater than device maximum");
- return -EINVAL;
- }
+ err = dev_validate_mtu(dev, new_mtu, extack);
+ if (err)
+ return err;
if (!netif_device_present(dev))
return -ENODEV;
@@ -9317,8 +9328,10 @@ int register_netdevice(struct net_device *dev)
goto err_uninit;
ret = netdev_register_kobject(dev);
- if (ret)
+ if (ret) {
+ dev->reg_state = NETREG_UNREGISTERED;
goto err_uninit;
+ }
dev->reg_state = NETREG_REGISTERED;
__netdev_update_features(dev);
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 920784a9b7ff..789a73aa7bd8 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -3290,6 +3290,7 @@ static void *neigh_stat_seq_next(struct seq_file *seq, void *v, loff_t *pos)
*pos = cpu+1;
return per_cpu_ptr(tbl->stats, cpu);
}
+ (*pos)++;
return NULL;
}
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 20bc406f3871..cdad6ed532c4 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3053,8 +3053,17 @@ struct net_device *rtnl_create_link(struct net *net, const char *ifname,
dev->rtnl_link_ops = ops;
dev->rtnl_link_state = RTNL_LINK_INITIALIZING;
- if (tb[IFLA_MTU])
- dev->mtu = nla_get_u32(tb[IFLA_MTU]);
+ if (tb[IFLA_MTU]) {
+ u32 mtu = nla_get_u32(tb[IFLA_MTU]);
+ int err;
+
+ err = dev_validate_mtu(dev, mtu, extack);
+ if (err) {
+ free_netdev(dev);
+ return ERR_PTR(err);
+ }
+ dev->mtu = mtu;
+ }
if (tb[IFLA_ADDRESS]) {
memcpy(dev->dev_addr, nla_data(tb[IFLA_ADDRESS]),
nla_len(tb[IFLA_ADDRESS]));
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index 3866d7e20c07..ded2d5227678 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -594,8 +594,6 @@ EXPORT_SYMBOL_GPL(sk_psock_destroy);
void sk_psock_drop(struct sock *sk, struct sk_psock *psock)
{
- sock_owned_by_me(sk);
-
sk_psock_cork_free(psock);
sk_psock_zap_ingress(psock);
diff --git a/net/core/utils.c b/net/core/utils.c
index 6b6e51db9f3b..1f31a39236d5 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -438,6 +438,23 @@ void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
}
EXPORT_SYMBOL(inet_proto_csum_replace4);
+/**
+ * inet_proto_csum_replace16 - update layer 4 header checksum field
+ * @sum: Layer 4 header checksum field
+ * @skb: sk_buff for the packet
+ * @from: old IPv6 address
+ * @to: new IPv6 address
+ * @pseudohdr: True if layer 4 header checksum includes pseudoheader
+ *
+ * Update layer 4 header as per the update in IPv6 src/dst address.
+ *
+ * There is no need to update skb->csum in this function, because update in two
+ * fields a.) IPv6 src/dst address and b.) L4 header checksum cancels each other
+ * for skb->csum calculation. Whereas inet_proto_csum_replace4 function needs to
+ * update skb->csum, because update in 3 fields a.) IPv4 src/dst address,
+ * b.) IPv4 Header checksum and c.) L4 header checksum results in same diff as
+ * L4 Header checksum for skb->csum calculation.
+ */
void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
const __be32 *from, const __be32 *to,
bool pseudohdr)
@@ -449,9 +466,6 @@ void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
if (skb->ip_summed != CHECKSUM_PARTIAL) {
*sum = csum_fold(csum_partial(diff, sizeof(diff),
~csum_unfold(*sum)));
- if (skb->ip_summed == CHECKSUM_COMPLETE && pseudohdr)
- skb->csum = ~csum_partial(diff, sizeof(diff),
- ~skb->csum);
} else if (pseudohdr)
*sum = ~csum_fold(csum_partial(diff, sizeof(diff),
csum_unfold(*sum)));
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index 0e4a7cf6bc87..e2e219c7854a 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -57,6 +57,8 @@ static struct sk_buff *esp4_gro_receive(struct list_head *head,
if (!x)
goto out_reset;
+ skb->mark = xfrm_smark_get(skb->mark, x);
+
sp->xvec[sp->len++] = x;
sp->olen++;
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 30fa771d382a..dcc79ff54b41 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -662,8 +662,8 @@ static const struct nla_policy fou_nl_policy[FOU_ATTR_MAX + 1] = {
[FOU_ATTR_REMCSUM_NOPARTIAL] = { .type = NLA_FLAG, },
[FOU_ATTR_LOCAL_V4] = { .type = NLA_U32, },
[FOU_ATTR_PEER_V4] = { .type = NLA_U32, },
- [FOU_ATTR_LOCAL_V6] = { .type = sizeof(struct in6_addr), },
- [FOU_ATTR_PEER_V6] = { .type = sizeof(struct in6_addr), },
+ [FOU_ATTR_LOCAL_V6] = { .len = sizeof(struct in6_addr), },
+ [FOU_ATTR_PEER_V6] = { .len = sizeof(struct in6_addr), },
[FOU_ATTR_PEER_PORT] = { .type = NLA_U16, },
[FOU_ATTR_IFINDEX] = { .type = NLA_S32, },
};
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index 0fe2a5d3e258..74e1d964a615 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -1236,10 +1236,8 @@ int ip_tunnel_init(struct net_device *dev)
iph->version = 4;
iph->ihl = 5;
- if (tunnel->collect_md) {
- dev->features |= NETIF_F_NETNS_LOCAL;
+ if (tunnel->collect_md)
netif_keep_dst(dev);
- }
return 0;
}
EXPORT_SYMBOL_GPL(ip_tunnel_init);
diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c
index e90b600c7a25..37cddd18f282 100644
--- a/net/ipv4/ip_vti.c
+++ b/net/ipv4/ip_vti.c
@@ -187,8 +187,17 @@ static netdev_tx_t vti_xmit(struct sk_buff *skb, struct net_device *dev,
int mtu;
if (!dst) {
- dev->stats.tx_carrier_errors++;
- goto tx_error_icmp;
+ struct rtable *rt;
+
+ fl->u.ip4.flowi4_oif = dev->ifindex;
+ fl->u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+ rt = __ip_route_output_key(dev_net(dev), &fl->u.ip4);
+ if (IS_ERR(rt)) {
+ dev->stats.tx_carrier_errors++;
+ goto tx_error_icmp;
+ }
+ dst = &rt->dst;
+ skb_dst_set(skb, dst);
}
dst_hold(dst);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 2010888e68ca..d5c57b3f77d5 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -271,6 +271,7 @@ static void *rt_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
*pos = cpu+1;
return &per_cpu(rt_cache_stat, cpu);
}
+ (*pos)++;
return NULL;
}
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 7dfb78caedaf..2857c853e2fd 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2525,6 +2525,7 @@ static void tcp_rtx_queue_purge(struct sock *sk)
{
struct rb_node *p = rb_first(&sk->tcp_rtx_queue);
+ tcp_sk(sk)->highest_sack = NULL;
while (p) {
struct sk_buff *skb = rb_to_skb(p);
@@ -2615,7 +2616,6 @@ int tcp_disconnect(struct sock *sk, int flags)
WRITE_ONCE(tp->write_seq, seq);
icsk->icsk_backoff = 0;
- tp->snd_cwnd = 2;
icsk->icsk_probes_out = 0;
icsk->icsk_rto = TCP_TIMEOUT_INIT;
tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index a6545ef0d27b..6c4d79baff26 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -779,8 +779,7 @@ static void bbr_update_bw(struct sock *sk, const struct rate_sample *rs)
* bandwidth sample. Delivered is in packets and interval_us in uS and
* ratio will be <<1 for most connections. So delivered is first scaled.
*/
- bw = (u64)rs->delivered * BW_UNIT;
- do_div(bw, rs->interval_us);
+ bw = div64_long((u64)rs->delivered * BW_UNIT, rs->interval_us);
/* If this sample is application-limited, it is likely to have a very
* low delivered count that represents application behavior rather than
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 2f475b897c11..4915de65d278 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3165,6 +3165,7 @@ static int tcp_clean_rtx_queue(struct sock *sk, u32 prior_fack,
tp->retransmit_skb_hint = NULL;
if (unlikely(skb == tp->lost_skb_hint))
tp->lost_skb_hint = NULL;
+ tcp_highest_sack_replace(sk, skb, next);
tcp_rtx_queue_unlink_and_free(skb, sk);
}
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index fec4b3a4b22d..306e25d743e8 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -3293,6 +3293,7 @@ int tcp_send_synack(struct sock *sk)
if (!nskb)
return -ENOMEM;
INIT_LIST_HEAD(&nskb->tcp_tsorted_anchor);
+ tcp_highest_sack_replace(sk, skb, nskb);
tcp_rtx_queue_unlink_and_free(skb, sk);
__skb_header_release(nskb);
tcp_rbtree_insert(&sk->tcp_rtx_queue, nskb);
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index e4fd4408b775..db76b9609299 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1368,7 +1368,8 @@ static void udp_rmem_release(struct sock *sk, int size, int partial,
if (likely(partial)) {
up->forward_deficit += size;
size = up->forward_deficit;
- if (size < (sk->sk_rcvbuf >> 2))
+ if (size < (sk->sk_rcvbuf >> 2) &&
+ !skb_queue_empty(&up->reader_queue))
return;
} else {
size += up->forward_deficit;
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index e31626ffccd1..fd535053245b 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -79,6 +79,8 @@ static struct sk_buff *esp6_gro_receive(struct list_head *head,
if (!x)
goto out_reset;
+ skb->mark = xfrm_smark_get(skb->mark, x);
+
sp->xvec[sp->len++] = x;
sp->olen++;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index b1e9a10e1133..58fbde244381 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -2571,14 +2571,13 @@ static void *ipv6_route_seq_next(struct seq_file *seq, void *v, loff_t *pos)
struct net *net = seq_file_net(seq);
struct ipv6_route_iter *iter = seq->private;
+ ++(*pos);
if (!v)
goto iter_table;
n = rcu_dereference_bh(((struct fib6_info *)v)->fib6_next);
- if (n) {
- ++*pos;
+ if (n)
return n;
- }
iter_table:
ipv6_route_check_sernum(iter);
@@ -2586,8 +2585,6 @@ iter_table:
r = fib6_walk_continue(&iter->w);
spin_unlock_bh(&iter->tbl->tb6_lock);
if (r > 0) {
- if (v)
- ++*pos;
return iter->w.leaf;
} else if (r < 0) {
fib6_walker_unlink(net, &iter->w);
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index ee968d980746..55bfc5149d0c 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1466,7 +1466,6 @@ static int ip6gre_tunnel_init_common(struct net_device *dev)
dev->mtu -= 8;
if (tunnel->parms.collect_md) {
- dev->features |= NETIF_F_NETNS_LOCAL;
netif_keep_dst(dev);
}
ip6gre_tnl_init_features(dev);
@@ -1894,7 +1893,6 @@ static void ip6gre_tap_setup(struct net_device *dev)
dev->needs_free_netdev = true;
dev->priv_destructor = ip6gre_dev_free;
- dev->features |= NETIF_F_NETNS_LOCAL;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
netif_keep_dst(dev);
@@ -2197,7 +2195,6 @@ static void ip6erspan_tap_setup(struct net_device *dev)
dev->needs_free_netdev = true;
dev->priv_destructor = ip6gre_dev_free;
- dev->features |= NETIF_F_NETNS_LOCAL;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
netif_keep_dst(dev);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2f376dbc37d5..b5dd20c4599b 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1877,10 +1877,8 @@ static int ip6_tnl_dev_init(struct net_device *dev)
if (err)
return err;
ip6_tnl_link_config(t);
- if (t->parms.collect_md) {
- dev->features |= NETIF_F_NETNS_LOCAL;
+ if (t->parms.collect_md)
netif_keep_dst(dev);
- }
return 0;
}
diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c
index 6f08b760c2a7..524006aa0d78 100644
--- a/net/ipv6/ip6_vti.c
+++ b/net/ipv6/ip6_vti.c
@@ -449,8 +449,17 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
int err = -1;
int mtu;
- if (!dst)
- goto tx_err_link_failure;
+ if (!dst) {
+ fl->u.ip6.flowi6_oif = dev->ifindex;
+ fl->u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+ dst = ip6_route_output(dev_net(dev), NULL, &fl->u.ip6);
+ if (dst->error) {
+ dst_release(dst);
+ dst = NULL;
+ goto tx_err_link_failure;
+ }
+ skb_dst_set(skb, dst);
+ }
dst_hold(dst);
dst = xfrm_lookup(t->net, dst, fl, NULL, 0);
diff --git a/net/ipv6/seg6_local.c b/net/ipv6/seg6_local.c
index 85a5447a3e8d..7cbc19731997 100644
--- a/net/ipv6/seg6_local.c
+++ b/net/ipv6/seg6_local.c
@@ -23,6 +23,7 @@
#include <net/addrconf.h>
#include <net/ip6_route.h>
#include <net/dst_cache.h>
+#include <net/ip_tunnels.h>
#ifdef CONFIG_IPV6_SEG6_HMAC
#include <net/seg6_hmac.h>
#endif
@@ -135,7 +136,8 @@ static bool decap_and_validate(struct sk_buff *skb, int proto)
skb_reset_network_header(skb);
skb_reset_transport_header(skb);
- skb->encapsulation = 0;
+ if (iptunnel_pull_offloads(skb))
+ return false;
return true;
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_gen.h b/net/netfilter/ipset/ip_set_bitmap_gen.h
index 077a2cb65fcb..26ab0e9612d8 100644
--- a/net/netfilter/ipset/ip_set_bitmap_gen.h
+++ b/net/netfilter/ipset/ip_set_bitmap_gen.h
@@ -75,7 +75,7 @@ mtype_flush(struct ip_set *set)
if (set->extensions & IPSET_EXT_DESTROY)
mtype_ext_cleanup(set);
- memset(map->members, 0, map->memsize);
+ bitmap_zero(map->members, map->elements);
set->elements = 0;
set->ext_size = 0;
}
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index abe8f77d7d23..0a2196f59106 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -37,7 +37,7 @@ MODULE_ALIAS("ip_set_bitmap:ip");
/* Type structure */
struct bitmap_ip {
- void *members; /* the set members */
+ unsigned long *members; /* the set members */
u32 first_ip; /* host byte order, included in range */
u32 last_ip; /* host byte order, included in range */
u32 elements; /* number of max elements in the set */
@@ -220,7 +220,7 @@ init_map_ip(struct ip_set *set, struct bitmap_ip *map,
u32 first_ip, u32 last_ip,
u32 elements, u32 hosts, u8 netmask)
{
- map->members = ip_set_alloc(map->memsize);
+ map->members = bitmap_zalloc(elements, GFP_KERNEL | __GFP_NOWARN);
if (!map->members)
return false;
map->first_ip = first_ip;
@@ -322,7 +322,7 @@ bitmap_ip_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
if (!map)
return -ENOMEM;
- map->memsize = bitmap_bytes(0, elements - 1);
+ map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_ip;
if (!init_map_ip(set, map, first_ip, last_ip,
elements, hosts, netmask)) {
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index b618713297da..739e343efaf6 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -42,7 +42,7 @@ enum {
/* Type structure */
struct bitmap_ipmac {
- void *members; /* the set members */
+ unsigned long *members; /* the set members */
u32 first_ip; /* host byte order, included in range */
u32 last_ip; /* host byte order, included in range */
u32 elements; /* number of max elements in the set */
@@ -299,7 +299,7 @@ static bool
init_map_ipmac(struct ip_set *set, struct bitmap_ipmac *map,
u32 first_ip, u32 last_ip, u32 elements)
{
- map->members = ip_set_alloc(map->memsize);
+ map->members = bitmap_zalloc(elements, GFP_KERNEL | __GFP_NOWARN);
if (!map->members)
return false;
map->first_ip = first_ip;
@@ -360,7 +360,7 @@ bitmap_ipmac_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
if (!map)
return -ENOMEM;
- map->memsize = bitmap_bytes(0, elements - 1);
+ map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_ipmac;
if (!init_map_ipmac(set, map, first_ip, last_ip, elements)) {
kfree(map);
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 23d6095cb196..b49978dd810d 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -30,7 +30,7 @@ MODULE_ALIAS("ip_set_bitmap:port");
/* Type structure */
struct bitmap_port {
- void *members; /* the set members */
+ unsigned long *members; /* the set members */
u16 first_port; /* host byte order, included in range */
u16 last_port; /* host byte order, included in range */
u32 elements; /* number of max elements in the set */
@@ -231,7 +231,7 @@ static bool
init_map_port(struct ip_set *set, struct bitmap_port *map,
u16 first_port, u16 last_port)
{
- map->members = ip_set_alloc(map->memsize);
+ map->members = bitmap_zalloc(map->elements, GFP_KERNEL | __GFP_NOWARN);
if (!map->members)
return false;
map->first_port = first_port;
@@ -271,7 +271,7 @@ bitmap_port_create(struct net *net, struct ip_set *set, struct nlattr *tb[],
return -ENOMEM;
map->elements = elements;
- map->memsize = bitmap_bytes(0, map->elements);
+ map->memsize = BITS_TO_LONGS(elements) * sizeof(unsigned long);
set->variant = &bitmap_port;
if (!init_map_port(set, map, first_port, last_port)) {
kfree(map);
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 8dc892a9dc91..605e0f68f8bd 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1239,7 +1239,7 @@ static void ip_vs_process_message(struct netns_ipvs *ipvs, __u8 *buffer,
p = msg_end;
if (p + sizeof(s->v4) > buffer+buflen) {
- IP_VS_ERR_RL("BACKUP, Dropping buffer, to small\n");
+ IP_VS_ERR_RL("BACKUP, Dropping buffer, too small\n");
return;
}
s = (union ip_vs_sync_conn *)p;
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 0399ae8f1188..4f897b14b606 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -114,7 +114,7 @@ static const u8 sctp_conntracks[2][11][SCTP_CONNTRACK_MAX] = {
{
/* ORIGINAL */
/* sNO, sCL, sCW, sCE, sES, sSS, sSR, sSA, sHS, sHA */
-/* init */ {sCW, sCW, sCW, sCE, sES, sSS, sSR, sSA, sCW, sHA},
+/* init */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sCW, sHA},
/* init_ack */ {sCL, sCL, sCW, sCE, sES, sSS, sSR, sSA, sCL, sHA},
/* abort */ {sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL},
/* shutdown */ {sCL, sCL, sCW, sCE, sSS, sSS, sSR, sSA, sCL, sSS},
@@ -130,7 +130,7 @@ static const u8 sctp_conntracks[2][11][SCTP_CONNTRACK_MAX] = {
/* REPLY */
/* sNO, sCL, sCW, sCE, sES, sSS, sSR, sSA, sHS, sHA */
/* init */ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sSA, sIV, sHA},/* INIT in sCL Big TODO */
-/* init_ack */ {sIV, sCL, sCW, sCE, sES, sSS, sSR, sSA, sIV, sHA},
+/* init_ack */ {sIV, sCW, sCW, sCE, sES, sSS, sSR, sSA, sIV, sHA},
/* abort */ {sIV, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sIV, sCL},
/* shutdown */ {sIV, sCL, sCW, sCE, sSR, sSS, sSR, sSA, sIV, sSR},
/* shutdown_ack */ {sIV, sCL, sCW, sCE, sES, sSA, sSA, sSA, sIV, sHA},
@@ -316,7 +316,7 @@ sctp_new(struct nf_conn *ct, const struct sk_buff *skb,
ct->proto.sctp.vtag[IP_CT_DIR_REPLY] = sh->vtag;
}
- ct->proto.sctp.state = new_state;
+ ct->proto.sctp.state = SCTP_CONNTRACK_NONE;
}
return true;
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 65f51a2e9c2a..7e63b481cc86 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -553,47 +553,70 @@ static inline u64 nf_tables_alloc_handle(struct nft_table *table)
static const struct nft_chain_type *chain_type[NFPROTO_NUMPROTO][NFT_CHAIN_T_MAX];
static const struct nft_chain_type *
+__nft_chain_type_get(u8 family, enum nft_chain_types type)
+{
+ if (family >= NFPROTO_NUMPROTO ||
+ type >= NFT_CHAIN_T_MAX)
+ return NULL;
+
+ return chain_type[family][type];
+}
+
+static const struct nft_chain_type *
__nf_tables_chain_type_lookup(const struct nlattr *nla, u8 family)
{
+ const struct nft_chain_type *type;
int i;
for (i = 0; i < NFT_CHAIN_T_MAX; i++) {
- if (chain_type[family][i] != NULL &&
- !nla_strcmp(nla, chain_type[family][i]->name))
- return chain_type[family][i];
+ type = __nft_chain_type_get(family, i);
+ if (!type)
+ continue;
+ if (!nla_strcmp(nla, type->name))
+ return type;
}
return NULL;
}
-/*
- * Loading a module requires dropping mutex that guards the transaction.
- * A different client might race to start a new transaction meanwhile. Zap the
- * list of pending transaction and then restore it once the mutex is grabbed
- * again. Users of this function return EAGAIN which implicitly triggers the
- * transaction abort path to clean up the list of pending transactions.
- */
+struct nft_module_request {
+ struct list_head list;
+ char module[MODULE_NAME_LEN];
+ bool done;
+};
+
#ifdef CONFIG_MODULES
-static void nft_request_module(struct net *net, const char *fmt, ...)
+static int nft_request_module(struct net *net, const char *fmt, ...)
{
char module_name[MODULE_NAME_LEN];
- LIST_HEAD(commit_list);
+ struct nft_module_request *req;
va_list args;
int ret;
- list_splice_init(&net->nft.commit_list, &commit_list);
-
va_start(args, fmt);
ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args);
va_end(args);
if (ret >= MODULE_NAME_LEN)
- return;
+ return 0;
- mutex_unlock(&net->nft.commit_mutex);
- request_module("%s", module_name);
- mutex_lock(&net->nft.commit_mutex);
+ list_for_each_entry(req, &net->nft.module_list, list) {
+ if (!strcmp(req->module, module_name)) {
+ if (req->done)
+ return 0;
- WARN_ON_ONCE(!list_empty(&net->nft.commit_list));
- list_splice(&commit_list, &net->nft.commit_list);
+ /* A request to load this module already exists. */
+ return -EAGAIN;
+ }
+ }
+
+ req = kmalloc(sizeof(*req), GFP_KERNEL);
+ if (!req)
+ return -ENOMEM;
+
+ req->done = false;
+ strlcpy(req->module, module_name, MODULE_NAME_LEN);
+ list_add_tail(&req->list, &net->nft.module_list);
+
+ return -EAGAIN;
}
#endif
@@ -617,10 +640,9 @@ nf_tables_chain_type_lookup(struct net *net, const struct nlattr *nla,
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
if (autoload) {
- nft_request_module(net, "nft-chain-%u-%.*s", family,
- nla_len(nla), (const char *)nla_data(nla));
- type = __nf_tables_chain_type_lookup(nla, family);
- if (type != NULL)
+ if (nft_request_module(net, "nft-chain-%u-%.*s", family,
+ nla_len(nla),
+ (const char *)nla_data(nla)) == -EAGAIN)
return ERR_PTR(-EAGAIN);
}
#endif
@@ -1162,11 +1184,8 @@ static void nf_tables_table_destroy(struct nft_ctx *ctx)
void nft_register_chain_type(const struct nft_chain_type *ctype)
{
- if (WARN_ON(ctype->family >= NFPROTO_NUMPROTO))
- return;
-
nfnl_lock(NFNL_SUBSYS_NFTABLES);
- if (WARN_ON(chain_type[ctype->family][ctype->type] != NULL)) {
+ if (WARN_ON(__nft_chain_type_get(ctype->family, ctype->type))) {
nfnl_unlock(NFNL_SUBSYS_NFTABLES);
return;
}
@@ -1768,7 +1787,10 @@ static int nft_chain_parse_hook(struct net *net,
hook->num = ntohl(nla_get_be32(ha[NFTA_HOOK_HOOKNUM]));
hook->priority = ntohl(nla_get_be32(ha[NFTA_HOOK_PRIORITY]));
- type = chain_type[family][NFT_CHAIN_T_DEFAULT];
+ type = __nft_chain_type_get(family, NFT_CHAIN_T_DEFAULT);
+ if (!type)
+ return -EOPNOTSUPP;
+
if (nla[NFTA_CHAIN_TYPE]) {
type = nf_tables_chain_type_lookup(net, nla[NFTA_CHAIN_TYPE],
family, autoload);
@@ -2328,9 +2350,8 @@ static const struct nft_expr_type *__nft_expr_type_get(u8 family,
static int nft_expr_type_request_module(struct net *net, u8 family,
struct nlattr *nla)
{
- nft_request_module(net, "nft-expr-%u-%.*s", family,
- nla_len(nla), (char *)nla_data(nla));
- if (__nft_expr_type_get(family, nla))
+ if (nft_request_module(net, "nft-expr-%u-%.*s", family,
+ nla_len(nla), (char *)nla_data(nla)) == -EAGAIN)
return -EAGAIN;
return 0;
@@ -2356,9 +2377,9 @@ static const struct nft_expr_type *nft_expr_type_get(struct net *net,
if (nft_expr_type_request_module(net, family, nla) == -EAGAIN)
return ERR_PTR(-EAGAIN);
- nft_request_module(net, "nft-expr-%.*s",
- nla_len(nla), (char *)nla_data(nla));
- if (__nft_expr_type_get(family, nla))
+ if (nft_request_module(net, "nft-expr-%.*s",
+ nla_len(nla),
+ (char *)nla_data(nla)) == -EAGAIN)
return ERR_PTR(-EAGAIN);
}
#endif
@@ -2449,9 +2470,10 @@ static int nf_tables_expr_parse(const struct nft_ctx *ctx,
err = PTR_ERR(ops);
#ifdef CONFIG_MODULES
if (err == -EAGAIN)
- nft_expr_type_request_module(ctx->net,
- ctx->family,
- tb[NFTA_EXPR_NAME]);
+ if (nft_expr_type_request_module(ctx->net,
+ ctx->family,
+ tb[NFTA_EXPR_NAME]) != -EAGAIN)
+ err = -ENOENT;
#endif
goto err1;
}
@@ -3288,8 +3310,7 @@ nft_select_set_ops(const struct nft_ctx *ctx,
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
if (list_empty(&nf_tables_set_types)) {
- nft_request_module(ctx->net, "nft-set");
- if (!list_empty(&nf_tables_set_types))
+ if (nft_request_module(ctx->net, "nft-set") == -EAGAIN)
return ERR_PTR(-EAGAIN);
}
#endif
@@ -5415,8 +5436,7 @@ nft_obj_type_get(struct net *net, u32 objtype)
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
if (type == NULL) {
- nft_request_module(net, "nft-obj-%u", objtype);
- if (__nft_obj_type_get(objtype))
+ if (nft_request_module(net, "nft-obj-%u", objtype) == -EAGAIN)
return ERR_PTR(-EAGAIN);
}
#endif
@@ -5989,8 +6009,7 @@ nft_flowtable_type_get(struct net *net, u8 family)
lockdep_nfnl_nft_mutex_not_held();
#ifdef CONFIG_MODULES
if (type == NULL) {
- nft_request_module(net, "nf-flowtable-%u", family);
- if (__nft_flowtable_type_get(family))
+ if (nft_request_module(net, "nf-flowtable-%u", family) == -EAGAIN)
return ERR_PTR(-EAGAIN);
}
#endif
@@ -6992,6 +7011,18 @@ static void nft_chain_del(struct nft_chain *chain)
list_del_rcu(&chain->list);
}
+static void nf_tables_module_autoload_cleanup(struct net *net)
+{
+ struct nft_module_request *req, *next;
+
+ WARN_ON_ONCE(!list_empty(&net->nft.commit_list));
+ list_for_each_entry_safe(req, next, &net->nft.module_list, list) {
+ WARN_ON_ONCE(!req->done);
+ list_del(&req->list);
+ kfree(req);
+ }
+}
+
static void nf_tables_commit_release(struct net *net)
{
struct nft_trans *trans;
@@ -7004,6 +7035,7 @@ static void nf_tables_commit_release(struct net *net)
* to prevent expensive synchronize_rcu() in commit phase.
*/
if (list_empty(&net->nft.commit_list)) {
+ nf_tables_module_autoload_cleanup(net);
mutex_unlock(&net->nft.commit_mutex);
return;
}
@@ -7018,6 +7050,7 @@ static void nf_tables_commit_release(struct net *net)
list_splice_tail_init(&net->nft.commit_list, &nf_tables_destroy_list);
spin_unlock(&nf_tables_destroy_list_lock);
+ nf_tables_module_autoload_cleanup(net);
mutex_unlock(&net->nft.commit_mutex);
schedule_work(&trans_destroy_work);
@@ -7209,6 +7242,26 @@ static int nf_tables_commit(struct net *net, struct sk_buff *skb)
return 0;
}
+static void nf_tables_module_autoload(struct net *net)
+{
+ struct nft_module_request *req, *next;
+ LIST_HEAD(module_list);
+
+ list_splice_init(&net->nft.module_list, &module_list);
+ mutex_unlock(&net->nft.commit_mutex);
+ list_for_each_entry_safe(req, next, &module_list, list) {
+ if (req->done) {
+ list_del(&req->list);
+ kfree(req);
+ } else {
+ request_module("%s", req->module);
+ req->done = true;
+ }
+ }
+ mutex_lock(&net->nft.commit_mutex);
+ list_splice(&module_list, &net->nft.module_list);
+}
+
static void nf_tables_abort_release(struct nft_trans *trans)
{
switch (trans->msg_type) {
@@ -7238,7 +7291,7 @@ static void nf_tables_abort_release(struct nft_trans *trans)
kfree(trans);
}
-static int __nf_tables_abort(struct net *net)
+static int __nf_tables_abort(struct net *net, bool autoload)
{
struct nft_trans *trans, *next;
struct nft_trans_elem *te;
@@ -7360,6 +7413,11 @@ static int __nf_tables_abort(struct net *net)
nf_tables_abort_release(trans);
}
+ if (autoload)
+ nf_tables_module_autoload(net);
+ else
+ nf_tables_module_autoload_cleanup(net);
+
return 0;
}
@@ -7368,9 +7426,9 @@ static void nf_tables_cleanup(struct net *net)
nft_validate_state_update(net, NFT_VALIDATE_SKIP);
}
-static int nf_tables_abort(struct net *net, struct sk_buff *skb)
+static int nf_tables_abort(struct net *net, struct sk_buff *skb, bool autoload)
{
- int ret = __nf_tables_abort(net);
+ int ret = __nf_tables_abort(net, autoload);
mutex_unlock(&net->nft.commit_mutex);
@@ -7965,6 +8023,7 @@ static int __net_init nf_tables_init_net(struct net *net)
{
INIT_LIST_HEAD(&net->nft.tables);
INIT_LIST_HEAD(&net->nft.commit_list);
+ INIT_LIST_HEAD(&net->nft.module_list);
mutex_init(&net->nft.commit_mutex);
net->nft.base_seq = 1;
net->nft.validate_state = NFT_VALIDATE_SKIP;
@@ -7976,7 +8035,7 @@ static void __net_exit nf_tables_exit_net(struct net *net)
{
mutex_lock(&net->nft.commit_mutex);
if (!list_empty(&net->nft.commit_list))
- __nf_tables_abort(net);
+ __nf_tables_abort(net, false);
__nft_release_tables(net);
mutex_unlock(&net->nft.commit_mutex);
WARN_ON_ONCE(!list_empty(&net->nft.tables));
diff --git a/net/netfilter/nf_tables_offload.c b/net/netfilter/nf_tables_offload.c
index a9ea29afb09f..2bb28483af22 100644
--- a/net/netfilter/nf_tables_offload.c
+++ b/net/netfilter/nf_tables_offload.c
@@ -564,7 +564,7 @@ static void nft_indr_block_cb(struct net_device *dev,
mutex_lock(&net->nft.commit_mutex);
chain = __nft_offload_get_chain(dev);
- if (chain) {
+ if (chain && chain->flags & NFT_CHAIN_HW_OFFLOAD) {
struct nft_base_chain *basechain;
basechain = nft_base_chain(chain);
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 4abbb452cf6c..99127e2d95a8 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -476,7 +476,7 @@ ack:
}
done:
if (status & NFNL_BATCH_REPLAY) {
- ss->abort(net, oskb);
+ ss->abort(net, oskb, true);
nfnl_err_reset(&err_list);
kfree_skb(skb);
module_put(ss->owner);
@@ -487,11 +487,11 @@ done:
status |= NFNL_BATCH_REPLAY;
goto done;
} else if (err) {
- ss->abort(net, oskb);
+ ss->abort(net, oskb, false);
netlink_ack(oskb, nlmsg_hdr(oskb), err, NULL);
}
} else {
- ss->abort(net, oskb);
+ ss->abort(net, oskb, false);
}
if (ss->cleanup)
ss->cleanup(net);
diff --git a/net/netfilter/nft_osf.c b/net/netfilter/nft_osf.c
index f54d6ae15bb1..b42247aa48a9 100644
--- a/net/netfilter/nft_osf.c
+++ b/net/netfilter/nft_osf.c
@@ -61,6 +61,9 @@ static int nft_osf_init(const struct nft_ctx *ctx,
int err;
u8 ttl;
+ if (!tb[NFTA_OSF_DREG])
+ return -EINVAL;
+
if (tb[NFTA_OSF_TTL]) {
ttl = nla_get_u8(tb[NFTA_OSF_TTL]);
if (ttl > 2)
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 46b8ff24020d..1e8eeb044b07 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1475,7 +1475,7 @@ static int __init rose_proto_init(void)
int rc;
if (rose_ndevs > 0x7FFFFFFF/sizeof(struct net_device *)) {
- printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter to large\n");
+ printk(KERN_ERR "ROSE: rose_proto_init - rose_ndevs parameter too large\n");
rc = -EINVAL;
goto out;
}
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 76e0d122616a..c2cdd0fc2e70 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -2055,9 +2055,8 @@ replay:
&chain_info));
mutex_unlock(&chain->filter_chain_lock);
- tp_new = tcf_proto_create(nla_data(tca[TCA_KIND]),
- protocol, prio, chain, rtnl_held,
- extack);
+ tp_new = tcf_proto_create(name, protocol, prio, chain,
+ rtnl_held, extack);
if (IS_ERR(tp_new)) {
err = PTR_ERR(tp_new);
goto errout_tp;
diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 8f2ad706784d..d0140a92694a 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -263,12 +263,12 @@ static int tcf_em_validate(struct tcf_proto *tp,
}
em->data = (unsigned long) v;
}
+ em->datalen = data_len;
}
}
em->matchid = em_hdr->matchid;
em->flags = em_hdr->flags;
- em->datalen = data_len;
em->net = net;
err = 0;
diff --git a/net/xfrm/xfrm_interface.c b/net/xfrm/xfrm_interface.c
index 7ac1542feaf8..dc651a628dcf 100644
--- a/net/xfrm/xfrm_interface.c
+++ b/net/xfrm/xfrm_interface.c
@@ -268,9 +268,6 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
int err = -1;
int mtu;
- if (!dst)
- goto tx_err_link_failure;
-
dst_hold(dst);
dst = xfrm_lookup_with_ifid(xi->net, dst, fl, NULL, 0, xi->p.if_id);
if (IS_ERR(dst)) {
@@ -297,7 +294,7 @@ xfrmi_xmit2(struct sk_buff *skb, struct net_device *dev, struct flowi *fl)
mtu = dst_mtu(dst);
if (!skb->ignore_df && skb->len > mtu) {
- skb_dst_update_pmtu(skb, mtu);
+ skb_dst_update_pmtu_no_confirm(skb, mtu);
if (skb->protocol == htons(ETH_P_IPV6)) {
if (mtu < IPV6_MIN_MTU)
@@ -343,6 +340,7 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct xfrm_if *xi = netdev_priv(dev);
struct net_device_stats *stats = &xi->dev->stats;
+ struct dst_entry *dst = skb_dst(skb);
struct flowi fl;
int ret;
@@ -352,10 +350,33 @@ static netdev_tx_t xfrmi_xmit(struct sk_buff *skb, struct net_device *dev)
case htons(ETH_P_IPV6):
xfrm_decode_session(skb, &fl, AF_INET6);
memset(IP6CB(skb), 0, sizeof(*IP6CB(skb)));
+ if (!dst) {
+ fl.u.ip6.flowi6_oif = dev->ifindex;
+ fl.u.ip6.flowi6_flags |= FLOWI_FLAG_ANYSRC;
+ dst = ip6_route_output(dev_net(dev), NULL, &fl.u.ip6);
+ if (dst->error) {
+ dst_release(dst);
+ stats->tx_carrier_errors++;
+ goto tx_err;
+ }
+ skb_dst_set(skb, dst);
+ }
break;
case htons(ETH_P_IP):
xfrm_decode_session(skb, &fl, AF_INET);
memset(IPCB(skb), 0, sizeof(*IPCB(skb)));
+ if (!dst) {
+ struct rtable *rt;
+
+ fl.u.ip4.flowi4_oif = dev->ifindex;
+ fl.u.ip4.flowi4_flags |= FLOWI_FLAG_ANYSRC;
+ rt = __ip_route_output_key(dev_net(dev), &fl.u.ip4);
+ if (IS_ERR(rt)) {
+ stats->tx_carrier_errors++;
+ goto tx_err;
+ }
+ skb_dst_set(skb, &rt->dst);
+ }
break;
default:
goto tx_err;
@@ -563,12 +584,9 @@ static void xfrmi_dev_setup(struct net_device *dev)
{
dev->netdev_ops = &xfrmi_netdev_ops;
dev->type = ARPHRD_NONE;
- dev->hard_header_len = ETH_HLEN;
- dev->min_header_len = ETH_HLEN;
dev->mtu = ETH_DATA_LEN;
dev->min_mtu = ETH_MIN_MTU;
- dev->max_mtu = ETH_DATA_LEN;
- dev->addr_len = ETH_ALEN;
+ dev->max_mtu = IP_MAX_MTU;
dev->flags = IFF_NOARP;
dev->needs_free_netdev = true;
dev->priv_destructor = xfrmi_dev_free;
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 612268eabef4..7225107a9aaf 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -38,6 +38,10 @@
#define R_AARCH64_ABS64 257
#endif
+#define R_ARM_PC24 1
+#define R_ARM_THM_CALL 10
+#define R_ARM_CALL 28
+
static int fd_map; /* File descriptor for file being modified. */
static int mmap_failed; /* Boolean flag. */
static char gpfx; /* prefix for global symbol name (sometimes '_') */
@@ -418,6 +422,18 @@ static char const *already_has_rel_mcount = "success"; /* our work here is done!
#define RECORD_MCOUNT_64
#include "recordmcount.h"
+static int arm_is_fake_mcount(Elf32_Rel const *rp)
+{
+ switch (ELF32_R_TYPE(w(rp->r_info))) {
+ case R_ARM_THM_CALL:
+ case R_ARM_CALL:
+ case R_ARM_PC24:
+ return 0;
+ }
+
+ return 1;
+}
+
/* 64-bit EM_MIPS has weird ELF64_Rela.r_info.
* http://techpubs.sgi.com/library/manuals/4000/007-4658-001/pdf/007-4658-001.pdf
* We interpret Table 29 Relocation Operation (Elf64_Rel, Elf64_Rela) [p.40]
@@ -523,6 +539,7 @@ static int do_file(char const *const fname)
altmcount = "__gnu_mcount_nc";
make_nop = make_nop_arm;
rel_type_nop = R_ARM_NONE;
+ is_fake_mcount32 = arm_is_fake_mcount;
gpfx = 0;
break;
case EM_AARCH64: