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RGMII-ID uses an internal delay within the transmitter or receiver. This
feature is phy specific. The rest of the communication is normal RGMII.
So the fec driver has to check for all RGMII modes, not only
'PHY_INTERFACE_MODE_RGMII'.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When system is out of memory, refilling of RX buffers fails while
the driver continue to pass the received packets to the kernel stack.
At some point, when all RX buffers deplete, driver may fall into a
sleep, and not recover when memory for new RX buffers is once again
availible. This is because hardware does not have valid descriptors,
so no interrupt will be generated for the driver to return to work
in napi context. Fix it by schedule the napi poll function from
stats_task delayed workqueue, as long as the allocations fail.
Signed-off-by: Ido Shamay <idos@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While testing this driver with DEBUG_LOCKDEP and DEBUG_SPINLOCK
enabled did not produce any traces, it would be more prudent in the
case of tx_clean_lock to use spin_[un]lock_bh, since this lock is
manipulated in both the process and softirq contexts.
This patch was tested for functionality and regressions with netperf
and DEBUG_LOCKDEP and DEBUG_SPINLOCK enabled.
Signed-off-by: Tony Camuso <tcamuso@redhat.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Addresses the following kernel logs seen during boot:
Kernel unaligned access at TPC[100ee150] mlx4_QUERY_HCA+0x80/0x248 [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Kernel unaligned access at TPC[100f071c] mlx4_QUERY_ADAPTER+0x100/0x12c [mlx4_core]
Signed-off-by: David Ahern <david.ahern@oracle.com>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Fixes: 9e311e7 ("net/mlx4_en: Use affinity hint")
Acked-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 6559a7e8296002b4 ("cxgb4: Cleanup macros so they follow the same
style and look consistent") introduced a regression where reading MC1
memory in adapters where MC0 isn't present or MC0 size is not equal to MC1
size caused the adapter to crash due to incorrect computation of memoffset.
Fix is to read the size of MC0 instead of MC1 for offset calculation
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In a kdump environment interfaces might be re-loaded without a proper
unload sequence in the previous running kernel.
bnx2x management FW and driver maintains a `pulse' that notifies the FW
that the driver is still up and running.
Driver load on the kdump kernel should be performed only after the pulse
has been out-of-sync long enough for the management FW to identify that
the driver has crashed, on which point it will perform some necessary
cleanup of the HW.
In today's distros kdump loading is quite fast, sometimes too fast for our
FW to get out-of-sync. This patch delays the bnx2x's probe during kdump
to allow a proper re-load on the kdump kernel.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a Kernel Panic in bonding driver debugfs file: rlb_hash_table.
$> modprobe bonding mode=6
$> cat /sys/kernel/debug/bonding/bond0/rlb_hash_table
This will crash the kernel. The struct alb_bond_info is initialized only when
the bonding interface is initialized (ip link set bond0 up) and not at the time
it is allocated. If we try to read the table before that, it'll result in a
kernel panic.
The patch applies against both net and net-next
Signed-off-by: Vishwanath Pai <vpai@akamai.com>
Signed-off-by: Andy Gospodarek <gospo@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Under heavy Rx load, observed that the Hw is updating the USED bit
and it is not updating the received frame status to the BD control
field. This could be lack of resources for processing the BDs at high
data rates. Driver drops the frame associated with this BD but not
clearing the USED bit. So, this is causing hang condition as Hw
expects USED bit to be cleared for this BD.
Signed-off-by: Punnaiah Choudary Kalluri <punnaia@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit b08cc79155fc26d0d112b1470d1ece5034651a4b eliminated memory
allocation in the packet send path:
"hv_netvsc: Eliminate memory allocation in the packet send path
The network protocol used to communicate with the host is the remote ndis (rndis)
protocol. We need to decorate each outgoing packet with a rndis header and
additional rndis state (rndis per-packet state). To manage this state, we
currently allocate memory in the transmit path. Eliminate this allocation by
requesting additional head room in the skb."
This commit introduced a bug since it did not account for the case if the skb
was cloned. Fix this bug.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Altera TSE MAC rx DMA transfer starts with the 2 additional bytes for IP
payload alignment. This patch fixes tse_rx() function loop which reads DMA
rx status and extracts packet length from it. Status signalises a whole DMA
transfer length, which is 2 bytes longer than the packet itself.
Signed-off-by: Vlastimil Setka <setka@vsis.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By default, the number of tx queues is limited by the number of online cpus
in mlx4_en_get_profile(). However, this limit no longer holds after the
ethtool .set_channels method has been called. In that situation, the driver
may access invalid bits of certain cpumask variables when queue_index >=
nr_cpu_ids.
Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Acked-by: Ido Shamay <idos@mellanox.com>
Fixes: d03a68f ("net/mlx4_en: Configure the XPS queue mapping on driver load")
Signed-off-by: David S. Miller <davem@davemloft.net>
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NLM_F_MULTI must be used only when a NLMSG_DONE message is sent. In fact,
it is sent only at the end of a dump.
Libraries like libnl will wait forever for NLMSG_DONE.
Fixes: e5a55a898720 ("net: create generic bridge ops")
Fixes: 815cccbf10b2 ("ixgbe: add setlink, getlink support to ixgbe and ixgbevf")
CC: John Fastabend <john.r.fastabend@intel.com>
CC: Sathya Perla <sathya.perla@emulex.com>
CC: Subbu Seetharaman <subbu.seetharaman@emulex.com>
CC: Ajit Khaparde <ajit.khaparde@emulex.com>
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: intel-wired-lan@lists.osuosl.org
CC: Jiri Pirko <jiri@resnulli.us>
CC: Scott Feldman <sfeldma@gmail.com>
CC: Stephen Hemminger <stephen@networkplumber.org>
CC: bridge@lists.linux-foundation.org
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the 0x0x prefix in an integer constant.
In this case, while at it, also fix a typo (s/unitcast/unicast/).
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix the 0x0x prefix in an integer constant.
Signed-off-by: Antonio Ospite <ao2@ao2.it>
Cc: Jay Cliburn <jcliburn@gmail.com>
Cc: Chris Snook <chris.snook@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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These flags are redundant with dev->features. Remove them.
Just make sure to set dev->features ourselves in bnx2x_set_features()
before performing the reload of the card.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is simpler to have the TPA mode as one three-state variable.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If disable_tpa is set, remove NETIF_F_LRO from hw_features, so ethtool sees
it as "off [fixed]".
Note that setting the NETIF_F_LRO bit in dev->features in the 'else'
branch is not needed, because the bit was already set by
bnx2x_init_dev().
Then the check for disable_tpa in in bnx2x_fix_features() becomes unnecessary.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Introduce netif-msg to netvsc to control debug logging output
and keep msg_enable in netvsc_device_context so that it is
kept persistently.
2. Only call dump_rndis_message() when NETIF_MSG_RX_ERR or above
is specified in netvsc module debug param.
In non-debug mode, in current code, dump_rndis_message() will not
dump anything but it still initialize some local variables and
process the switch logic which is unnecessary, especially in
high network throughput situation.
Signed-off-by: Simon Xiao <sixiao@microsoft.com>
Reviewed-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently when interface type is MAC to Phy, netif_carrier_(on/off)
is called which is not needed as Phy lib already updates the carrier
status to net stack. This is needed only for other interface types
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) mlx4 doesn't check fully for supported valid RSS hash function, fix
from Amir Vadai
2) Off by one in ibmveth_change_mtu(), from David Gibson
3) Prevent altera chip from reporting false error interrupts in some
circumstances, from Chee Nouk Phoon
4) Get rid of that stupid endless loop trying to allocate a FIN packet
in TCP, and in the process kill deadlocks. From Eric Dumazet
5) Fix get_rps_cpus() crash due to wrong invalid-cpu value, also from
Eric Dumazet
6) Fix two bugs in async rhashtable resizing, from Thomas Graf
7) Fix topology server listener socket namespace bug in TIPC, from Ying
Xue
8) Add some missing HAS_DMA kconfig dependencies, from Geert
Uytterhoeven
9) bgmac driver intends to force re-polling but does so by returning
the wrong value from it's ->poll() handler. Fix from Rafał Miłecki
10) When the creater of an rhashtable configures a max size for it,
don't bark in the logs and drop insertions when that is exceeded.
Fix from Johannes Berg
11) Recover from out of order packets in ppp mppe properly, from Sylvain
Rochet
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits)
bnx2x: really disable TPA if 'disable_tpa' option is set
net:treewide: Fix typo in drivers/net
net/mlx4_en: Prevent setting invalid RSS hash function
mdio-mux-gpio: use new gpiod_get_array and gpiod_put_array functions
netfilter; Add some missing default cases to switch statements in nft_reject.
ppp: mppe: discard late packet in stateless mode
ppp: mppe: sanity error path rework
net/bonding: Make DRV macros private
net: rfs: fix crash in get_rps_cpus()
altera tse: add support for fixed-links.
pxa168: fix double deallocation of managed resources
net: fix crash in build_skb()
net: eth: altera: Resolve false errors from MSGDMA to TSE
ehea: Fix memory hook reference counting crashes
net/tg3: Release IRQs on permanent error
net: mdio-gpio: support access that may sleep
inet: fix possible panic in reqsk_queue_unlink()
rhashtable: don't attempt to grow when at max_size
bgmac: fix requests for extra polling calls from NAPI
tcp: avoid looping in tcp_send_fin()
...
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bnx2x's 'disable_tpa=1' module option is not respected properly and TPA
(transparent packet aggregation) remains enabled. Even though the
module option causes LRO to be disabled, TPA is enabled in GRO mode.
Additionally, disabling GRO via ethtool then has no effect. One can
still observe tpa_* statistics increase and large packets being received
in tcpdump.
The bug was an unintended consequence of commit aebf6244cd39 "bnx2x: Be
more forgiving toward SW GRO".
Fix it by following the bp->disable_tpa flag when initializing fp's.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fix spelling typo in printk.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mlx4_en_check_rxfh_func() was checking for hardware support before
setting a known RSS hash function, but didn't do any check before
setting unknown RSS hash function. Need to make it fail on such values.
In this occasion, moved the actual setting of the new value from the
check function into mlx4_en_set_rxfh().
Fixes: 947cbb0 ("net/mlx4_en: Support for configurable RSS hash function")
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the new gpiod_get_array and gpiod_put_array functions
(added to mainline in the v4.1 merge window) for obtaining and
disposing of GPIO descriptors.
Cc: David Miller <davem@davemloft.net>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rojhalat Ibrahim <imr@rtschenk.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When PPP is used over a link which does not guarantee packet ordering,
we might get late MPPE packets. This is a problem because MPPE must be
kept synchronized and the current implementation does not drop them and
rekey 4095 times instead of 0, which is wrong.
In order to prevent rekeying about a whole count space times (~ 4095
times), drop packets which are not within the forward 4096/2 window and
increase sanity error counter.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We are going to need sanity error path a little further, rework to be
able to use the sanity error path anywhere in decompressor.
Signed-off-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bonding modules currently defines four macros with
general names that pollute the global namespace:
DRV_VERSION
DRV_RELDATE
DRV_NAME
DRV_DESCRIPTION
Fixing that by defining a private bonding_priv.h
header files which includes those defines.
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull fourth vfs update from Al Viro:
"d_inode() annotations from David Howells (sat in for-next since before
the beginning of merge window) + four assorted fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
RCU pathwalk breakage when running into a symlink overmounting something
fix I_DIO_WAKEUP definition
direct-io: only inc/dec inode->i_dio_count for file systems
fs/9p: fix readdir()
VFS: assorted d_backing_inode() annotations
VFS: fs/inode.c helpers: d_inode() annotations
VFS: fs/cachefiles: d_backing_inode() annotations
VFS: fs library helpers: d_inode() annotations
VFS: assorted weird filesystems: d_inode() annotations
VFS: normal filesystems (and lustre): d_inode() annotations
VFS: security/: d_inode() annotations
VFS: security/: d_backing_inode() annotations
VFS: net/: d_inode() annotations
VFS: net/unix: d_backing_inode() annotations
VFS: kernel/: d_inode() annotations
VFS: audit: d_backing_inode() annotations
VFS: Fix up some ->d_inode accesses in the chelsio driver
VFS: Cachefiles should perform fs modifications on the top layer only
VFS: AF_UNIX sockets should call mknod on the top layer only
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Add support for fixed-links in configurations without PHY.
(e.g. connection to a switch, SGMII point to point, SFPs)
Check: Documentation/devicetree/bindings/net/fixed-link.txt.
Signed-off-by: Andreas Oetken <ennoerlangen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 43d3ddf87a57 ("net: pxa168_eth: add device tree support") starts
to use managed resources by adding devm_clk_get() and
devm_ioremap_resource(), but it leaves explicit iounmap() and clock_put()
in pxa168_eth_remove() and in failure handling code of pxa168_eth_probe().
As a result double free can happen.
The patch removes explicit resource deallocation. Also it converts
clk_disable() to clk_disable_unprepare() to make it symmetrical with
clk_prepare_enable().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch resolves false errors from MSGDMA in TX mSGDMA MM to ST
mode, and is a continuation of the patch recently submitted by Andrea
Oetken. The MSGDMA had a logic bug that masked detection of this issue
prior to Quartus 14.1/Build 164. When the MSGDMA logic bug was addressed
in Quartus 14.1/Build 164, the driver problem was exposed.
The problem is corrected by making sure MSGDMA_DESC_CTL_TR_ERR_IRQ is not
set for any of the transmit DMA descriptors, and only used for receive
descriptors.
Fixes: 71cd26e altera tse: Error-Bit on tx-avalon-stream always set.
Signed-off-by: Chee Nouk Phoon <cnphoon@altera.com>
Signed-off-by: Vince Bridgers <vbridger@opensource.altera.com>a
Cc: Andreas Oetken <ennoerlangen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The recent commit to only register the EHEA memory hotplug hooks on
adapter probe has a few problems.
Firstly the reference counting is wrong for multiple adapters, in that
the hooks are registered multiple times. Secondly the check in the tear
down path is backward. Finally the error path doesn't decrement the
count.
The multiple registration of the hooks is the biggest problem, as it
leads to oopses when the system is rebooted, and/or errors during memory
hotplug, eg:
$ ./mem-on-off-test.sh -r 2
...
ehea: memory is going offline
ehea: LPAR memory changed - re-initializing driver
ehea: re-initializing driver complete
ehea: memory is going offline
ehea: LPAR memory changed - re-initializing driver
ehea: opcode=26c ret=fffffffffffffffc arg1=8000000003000003 arg2=0 arg3=700000060000d600 arg4=3fded0000 arg5=200 arg6=0 arg7=0
ehea: register_rpage_mr failed
ehea: registering mr failed
ehea: register MR failed - driver inoperable!
ehea: memory is going offline
Fixes: aa183323312d ("ehea: Register memory hotplug, reboot and crash hooks on adapter probe")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When having permanent EEH error, the PCI device will be removed
from the system. For this case, we shouldn't set pcierr_recovery
to true wrongly, which blocks the driver to release the allocated
interrupts and their handlers. Eventually, we can't disable MSI
or MSIx successfully because of the MSI or MSIx interrupts still
have associated interrupt actions, which is turned into following
stack dump.
Oops: Exception in kernel mode, sig: 5 [#1]
:
[c0000000003b76a8] .free_msi_irqs+0x80/0x1a0 (unreliable)
[c00000000039f388] .pci_remove_bus_device+0x98/0x110
[c0000000000790f4] .pcibios_remove_pci_devices+0x9c/0x128
[c000000000077b98] .handle_eeh_events+0x2d8/0x4b0
[c0000000000782d0] .eeh_event_handler+0x130/0x1c0
[c000000000022bd4] .kernel_thread+0x54/0x70
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Prashant Sreedharan <prashant@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some systems using mdio-gpio may use gpio on message based busses, which
require sleeping (e.g. gpio from an I2C I/O expander).
Since this driver does not use IRQ handler, it is safe to use the
_cansleep suffixed gpio accessors.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After d75b1ade567f ("net: less interrupt masking in NAPI") polling
function has to return whole budget when it wants NAPI to call it again.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Cc: Felix Fietkau <nbd@openwrt.org>
Fixes: eb64e2923a886 ("bgmac: leave interrupts disabled as long as there is work to do")
Acked-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver already uses ioremap_wc() on the same range
so when write-combining is available that will be used
instead.
Cc: Hyong-Youb Kim <hykim@myri.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Suresh Siddha <sbsiddha@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Juergen Gross <jgross@suse.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: netdev@vger.kernel.org
Cc: Juergen Gross <jgross@suse.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Airlie <airlied@redhat.com>
Cc: Antonino Daplas <adaplas@gmail.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: linux-kernel@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
drivers/built-in.o: In function `grcan_free_dma_buffers':
grcan.c:(.text+0x2d7716): undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `grcan_allocate_dma_buffers':
grcan.c:(.text+0x2d779c): undefined reference to `dma_alloc_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
drivers/built-in.o: In function `arc_emac_tx_clean':
emac_main.c:(.text+0x2decde): undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `arc_emac_rx':
emac_main.c:(.text+0x2dee1c): undefined reference to `dma_unmap_single'
emac_main.c:(.text+0x2dee72): undefined reference to `dma_map_single'
emac_main.c:(.text+0x2dee7e): undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `arc_emac_probe':
(.text+0x2df2ee): undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `arc_emac_open':
emac_main.c:(.text+0x2df6d8): undefined reference to `dma_map_single'
emac_main.c:(.text+0x2df6e4): undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `arc_emac_tx':
emac_main.c:(.text+0x2df9e4): undefined reference to `dma_map_single'
emac_main.c:(.text+0x2df9f0): undefined reference to `dma_mapping_error'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If NO_DMA=y:
drivers/built-in.o: In function `xgbe_probe':
xgbe-main.c:(.text+0x2def0a): undefined reference to `dma_set_mask'
xgbe-main.c:(.text+0x2def20): undefined reference to `dma_supported'
drivers/built-in.o: In function `xgbe_rx_poll':
xgbe-drv.c:(.text+0x2e0320): undefined reference to `dma_sync_single_for_cpu'
xgbe-drv.c:(.text+0x2e035e): undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `xgbe_unmap_rdata':
xgbe-desc.c:(.text+0x2e5fe4): undefined reference to `dma_unmap_page'
xgbe-desc.c:(.text+0x2e5ffa): undefined reference to `dma_unmap_single'
xgbe-desc.c:(.text+0x2e604a): undefined reference to `dma_unmap_page'
xgbe-desc.c:(.text+0x2e6084): undefined reference to `dma_unmap_page'
drivers/built-in.o: In function `xgbe_alloc_pages':
xgbe-desc.c:(.text+0x2e6156): undefined reference to `dma_map_page'
xgbe-desc.c:(.text+0x2e6164): undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `xgbe_free_ring':
xgbe-desc.c:(.text+0x2e63d4): undefined reference to `dma_unmap_page'
xgbe-desc.c:(.text+0x2e640e): undefined reference to `dma_unmap_page'
xgbe-desc.c:(.text+0x2e644a): undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `xgbe_init_ring':
xgbe-desc.c:(.text+0x2e64d4): undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `xgbe_map_tx_skb':
xgbe-desc.c:(.text+0x2e6628): undefined reference to `dma_map_single'
xgbe-desc.c:(.text+0x2e6638): undefined reference to `dma_mapping_error'
xgbe-desc.c:(.text+0x2e66b2): undefined reference to `dma_map_single'
xgbe-desc.c:(.text+0x2e66c2): undefined reference to `dma_mapping_error'
xgbe-desc.c:(.text+0x2e6762): undefined reference to `dma_map_page'
xgbe-desc.c:(.text+0x2e6772): undefined reference to `dma_mapping_error'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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AFAIK the PAPR document which defines the virtual device interface used by
the ibmveth driver doesn't specify a specific maximum MTU. So, in the
ibmveth driver, the maximum allowed MTU is determined by the maximum
allocated buffer size of 64k (corresponding to one page in the common case)
minus the per-buffer overhead IBMVETH_BUFF_OH (which has value 22 for 14
bytes of ethernet header, plus 8 bytes for an opaque handle).
This suggests a maximum allowable MTU of 65514 bytes, but in fact the
driver only permits a maximum MTU of 65513. This is because there is a <
instead of an <= in ibmveth_change_mtu(), which only permits an MTU which
is strictly smaller than the buffer size, rather than allowing the buffer
to be completely filled.
This patch fixes the buglet.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The return value of vxlan_fdb_replace always is greater than or equal to 0
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In 02c958dd3 (net/macb: add TX multiqueue support for gem), the
initialization of tx_head and tx_tail in macb_init_rings() was moved
inside the loop that iterates over each element in the ring. Since
tx_head and tx_tail only need to be assigned once, move them back out of
the loop.
Signed-off-by: Ben Shelton <ben.shelton@ni.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull InfiniBand/RDMA updates from Roland Dreier:
- IPoIB fixes from Doug Ledford and Erez Shitrit
- iSER updates from Sagi Grimberg
- mlx4 GUID handling changes from Yishai Hadas
- other misc fixes
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (51 commits)
mlx5: wrong page mask if CONFIG_ARCH_DMA_ADDR_T_64BIT enabled for 32Bit architectures
IB/iser: Rewrite bounce buffer code path
IB/iser: Bump version to 1.6
IB/iser: Remove code duplication for a single DMA entry
IB/iser: Pass struct iser_mem_reg to iser_fast_reg_mr and iser_reg_sig_mr
IB/iser: Modify struct iser_mem_reg members
IB/iser: Make fastreg pool cache friendly
IB/iser: Move PI context alloc/free to routines
IB/iser: Move fastreg descriptor pool get/put to helper functions
IB/iser: Merge build page-vec into register page-vec
IB/iser: Get rid of struct iser_rdma_regd
IB/iser: Remove redundant assignments in iser_reg_page_vec
IB/iser: Move memory reg/dereg routines to iser_memory.c
IB/iser: Don't pass ib_device to fall_to_bounce_buff routine
IB/iser: Remove a redundant struct iser_data_buf
IB/iser: Remove redundant cmd_data_len calculation
IB/iser: Fix wrong calculation of protection buffer length
IB/iser: Handle fastreg/local_inv completion errors
IB/iser: Fix unload during ep_poll wrong dereference
ib_srpt: convert printk's to pr_* functions
...
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On some feature changes, driver employes an inner-reload flow where it
resets the function and re-configures it with the new required set of
parameters.
Such a flow proves fatal to any VF since those were not intended to be used
while HW is being reset underneath, causing them [at best] to lose all
connectivity.
This changes driver behavior to fail all configuration changes [e.g., mtu
change] requested of the driver in case VFs are active.
Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM DT updates from Olof Johansson:
"As always, this tends to be one of our bigger branches. There are
lots of updates this release, but not that many jumps out as something
that needs more detailed coverage. Some of the highlights are:
- DTs for the new Annapurna Labs Alpine platform
- more graphics DT pieces falling into place on Exynos, bridges,
clocks.
- plenty of DT updates for Qualcomm platforms for various IP blocks
- some churn on Tegra due to switch-over to tool-generated pinctrl
data
- misc fixes and updates for Atmel at91 platforms
- various DT updates to add IP block support on Broadcom's Cygnus
platforms
- more updates for Renesas platforms as DT support is added for
various IP blocks (IPMMU, display, audio, etc)"
* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (231 commits)
ARM: dts: alpine: add internal pci
Revert "ARM: dts: mt8135: Add pinctrl/GPIO/EINT node for mt8135."
ARM: mvebu: use 0xf1000000 as internal registers on Armada 370 DB
ARM: dts: qcom: Add idle state device nodes for 8064
ARM: dts: qcom: Add idle states device nodes for 8084
ARM: dts: qcom: Add idle states device nodes for 8974/8074
ARM: dts: qcom: Update power-controller device node for 8064 Krait CPUs
ARM: dts: qcom: Add power-controller device node for 8084 Krait CPUs
ARM: dts: qcom: Add power-controller device node for 8074 Krait CPUs
devicetree: bindings: Document qcom,idle-states
devicetree: bindings: Update qcom,saw2 node bindings
dt-bindings: Add #defines for MSM8916 clocks and resets
arm: dts: qcom: Add LPASS Audio HW to IPQ8064 device tree
arm: dts: qcom: Add APQ8084 chipset SPMI PMIC's nodes
arm: dts: qcom: Add 8x74 chipset SPMI PMIC's nodes
arm: dts: qcom: Add SPMI PMIC Arbiter nodes for APQ8084 and MSM8974
arm: dts: qcom: Add LCC nodes
arm: dts: qcom: Add TCSR support for MSM8960
arm: dts: qcom: Add TCSR support for MSM8660
arm: dts: qcom: Add TCSR support for IPQ8064
...
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Pull networking fixes from David Miller:
"Just a few fixes trickling in at this point.
1) If we see an attached socket on an skb in the ipv4 forwarding path,
bail. This can happen due to races with FIB rule addition, and
deletion, and we should just drop such frames. From Sebastian
Pöhn.
2) pppoe receive should only accept packets destined for this hosts's
MAC address. From Joakim Tjernlund.
3) Handle checksum unwrapping properly in ppp receive properly when
it's encapsulated in UDP in some way, fix from Tom Herbert.
4) Fix some bugs in mv88e6xxx DSA driver resulting from the conversion
from register offset constants to mnenomic macros. From Vivien
Didelot.
5) Fix handling of HCA max message size in mlx4 adapters, from Eran
Ben ELisha"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
net/mlx4_core: Fix reading HCA max message size in mlx4_QUERY_DEV_CAP
tcp: add memory barriers to write space paths
altera tse: Error-Bit on tx-avalon-stream always set.
net: dsa: mv88e6xxx: use PORT_DEFAULT_VLAN
net: dsa: mv88e6xxx: fix setup of port control 1
ppp: call skb_checksum_complete_unset in ppp_receive_frame
net: add skb_checksum_complete_unset
pppoe: Lacks DST MAC address check
ip_forward: Drop frames with attached skb->sk
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Currently we parse max_msg_sz from the wrong offset in QUERY_DEV_CAP,
fix to use the right offset.
Fixes: 0b131561a7d6 ('net/mlx4_en: Add Flow control statistics [..]')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Error-Bit on the avalon streaming interface of the
tx-dma-channel was always set. In SGMII configurations
this leads to error-symbols on the PCS and packet-rejection
on the receiver side (e.g. SGMII/1000Base-X connected switch).
This only applies to the tse-configuration with MSGDMA.
This issue was detected and fixed on a custom board with
a direct connection to a Marvell switch in SGMII-PHY-Mode.
(incl. custom patches for SGMII-PCS).
According to the datasheet if ff_tx_err (avalon-streaming)
is set it is forwarded to gm_tx_err. As a result the PCS
is forwarding the error by sending a "/V/"-caracter.
Signed-off-by: Andreas Oetken <ennoerlangen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Minor, use the explicit PORT_DEFAULT_VLAN define instead of 0x07.
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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