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Pull networking fixes from David Miller:
1) CAN fixes from Martin Kelly (cancel URBs properly in all the CAN usb
drivers).
2) Revert returning -EEXIST from __dev_alloc_name() as this propagates
to userspace and broke some apps. From Johannes Berg.
3) Fix conn memory leaks and crashes in TIPC, from Jon Malloc and Cong
Wang.
4) Gianfar MAC can't do EEE so don't advertise it by default, from
Claudiu Manoil.
5) Relax strict netlink attribute validation, but emit a warning. From
David Ahern.
6) Fix regression in checksum offload of thunderx driver, from Florian
Westphal.
7) Fix UAPI bpf issues on s390, from Hendrik Brueckner.
8) New card support in iwlwifi, from Ihab Zhaika.
9) BBR congestion control bug fixes from Neal Cardwell.
10) Fix port stats in nfp driver, from Pieter Jansen van Vuuren.
11) Fix leaks in qualcomm rmnet, from Subash Abhinov Kasiviswanathan.
12) Fix DMA API handling in sh_eth driver, from Thomas Petazzoni.
13) Fix spurious netpoll warnings in bnxt_en, from Calvin Owens.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (67 commits)
net: mvpp2: fix the RSS table entry offset
tcp: evaluate packet losses upon RTT change
tcp: fix off-by-one bug in RACK
tcp: always evaluate losses in RACK upon undo
tcp: correctly test congestion state in RACK
bnxt_en: Fix sources of spurious netpoll warnings
tcp_bbr: reset long-term bandwidth sampling on loss recovery undo
tcp_bbr: reset full pipe detection on loss recovery undo
tcp_bbr: record "full bw reached" decision in new full_bw_reached bit
sfc: pass valid pointers from efx_enqueue_unwind
gianfar: Disable EEE autoneg by default
tcp: invalidate rate samples during SACK reneging
can: peak/pcie_fd: fix potential bug in restarting tx queue
can: usb_8dev: cancel urb on -EPIPE and -EPROTO
can: kvaser_usb: cancel urb on -EPIPE and -EPROTO
can: esd_usb2: cancel urb on -EPIPE and -EPROTO
can: ems_usb: cancel urb on -EPIPE and -EPROTO
can: mcba_usb: cancel urb on -EPROTO
usbnet: fix alignment for frames with no ethernet header
tcp: use current time in tcp_rcv_space_adjust()
...
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Pull virtio bugfixes from Michael Tsirkin:
"A couple of minor bugfixes"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_net: fix return value check in receive_mergeable()
virtio_mmio: add cleanup for virtio_mmio_remove
virtio_mmio: add cleanup for virtio_mmio_probe
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2017-12-08
this is a pull request of 6 patches for net/master.
Martin Kelly provides 5 patches for various USB based CAN drivers, that
properly cancel the URBs on adapter unplug, so that the driver doesn't
end up in an endless loop. Stephane Grosjean provides a patch to restart
the tx queue if zero length packages are transmitted.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for 4.15
Second set of fixes for 4.15. This time a lot of iwlwifi patches and
two brcmfmac patches. Most important here are the MIC and IVC fixes
for iwlwifi to unbreak 9000 series.
iwlwifi
* fix rate-scaling to not start lowest possible rate
* fix the TX queue hang detection for AP/GO modes
* fix the TX queue hang timeout in monitor interfaces
* fix packet injection
* remove a wrong error message when dumping PCI registers
* fix race condition with RF-kill
* tell mac80211 when the MIC has been stripped (9000 series)
* tell mac80211 when the IVC has been stripped (9000 series)
* add 2 new PCI IDs, one for 9000 and one for 22000
* fix a queue hang due during a P2P Remain-on-Channel operation
brcmfmac
* fix a race which sometimes caused a crash during sdio unbind
* fix a kernel-doc related build error
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macro used to access or set an RSS table entry was using an offset
of 8, while it should use an offset of 0. This lead to wrongly configure
the RSS table, not accessing the right entries.
Fixes: 1d7d15d79fb4 ("net: mvpp2: initialize the RSS tables")
Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After applying 2270bc5da3497945 ("bnxt_en: Fix netpoll handling") and
903649e718f80da2 ("bnxt_en: Improve -ENOMEM logic in NAPI poll loop."),
we still see the following WARN fire:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1875170 at net/core/netpoll.c:165 netpoll_poll_dev+0x15a/0x160
bnxt_poll+0x0/0xd0 exceeded budget in poll
<snip>
Call Trace:
[<ffffffff814be5cd>] dump_stack+0x4d/0x70
[<ffffffff8107e013>] __warn+0xd3/0xf0
[<ffffffff8107e07f>] warn_slowpath_fmt+0x4f/0x60
[<ffffffff8179519a>] netpoll_poll_dev+0x15a/0x160
[<ffffffff81795f38>] netpoll_send_skb_on_dev+0x168/0x250
[<ffffffff817962fc>] netpoll_send_udp+0x2dc/0x440
[<ffffffff815fa9be>] write_ext_msg+0x20e/0x250
[<ffffffff810c8125>] call_console_drivers.constprop.23+0xa5/0x110
[<ffffffff810c9549>] console_unlock+0x339/0x5b0
[<ffffffff810c9a88>] vprintk_emit+0x2c8/0x450
[<ffffffff810c9d5f>] vprintk_default+0x1f/0x30
[<ffffffff81173df5>] printk+0x48/0x50
[<ffffffffa0197713>] edac_raw_mc_handle_error+0x563/0x5c0 [edac_core]
[<ffffffffa0197b9b>] edac_mc_handle_error+0x42b/0x6e0 [edac_core]
[<ffffffffa01c3a60>] sbridge_mce_output_error+0x410/0x10d0 [sb_edac]
[<ffffffffa01c47cc>] sbridge_check_error+0xac/0x130 [sb_edac]
[<ffffffffa0197f3c>] edac_mc_workq_function+0x3c/0x90 [edac_core]
[<ffffffff81095f8b>] process_one_work+0x19b/0x480
[<ffffffff810967ca>] worker_thread+0x6a/0x520
[<ffffffff8109c7c4>] kthread+0xe4/0x100
[<ffffffff81884c52>] ret_from_fork+0x22/0x40
This happens because we increment rx_pkts on -ENOMEM and -EIO, resulting
in rx_pkts > 0. Fix this by only bumping rx_pkts if we were actually
given a non-zero budget.
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Acked-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bytes_compl and pkts_compl pointers passed to efx_dequeue_buffers
cannot be NULL. Add a paranoid warning to check this condition and fix
the one case where they were NULL.
efx_enqueue_unwind() is called very rarely, during error handling.
Without this fix it would fail with a NULL pointer dereference in
efx_dequeue_buffer, with efx_enqueue_skb in the call stack.
Fixes: e9117e5099ea ("sfc: Firmware-Assisted TSO version 2")
Reported-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Tested-by: Jarod Wilson <jarod@redhat.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This controller does not support EEE, but it may connect to a PHY
which supports EEE and advertises EEE by default, while its link
partner also advertises EEE. If this happens, the PHY enters low
power mode when the traffic rate is low and causes packet loss.
This patch disables EEE advertisement by default for any PHY that
gianfar connects to, to prevent the above unwanted outcome.
Signed-off-by: Shaohui Xie <Shaohui.Xie@nxp.com>
Tested-by: Yangbo Lu <Yangbo.lu@nxp.com>
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't rely on can_get_echo_skb() return value to wake the network tx
queue up: can_get_echo_skb() returns 0 if the echo array slot was not
occupied, but also when the DLC of the released echo frame was 0.
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In mcba_usb, we have observed that when you unplug the device, the driver will
endlessly resubmit failing URBs, which can cause CPU stalls. This issue
is fixed in mcba_usb by catching the codes seen on device disconnect
(-EPIPE and -EPROTO).
This driver also resubmits in the case of -EPIPE and -EPROTO, so fix it
in the same way.
Signed-off-by: Martin Kelly <mkelly@xevo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In mcba_usb, we have observed that when you unplug the device, the driver will
endlessly resubmit failing URBs, which can cause CPU stalls. This issue
is fixed in mcba_usb by catching the codes seen on device disconnect
(-EPIPE and -EPROTO).
This driver also resubmits in the case of -EPIPE and -EPROTO, so fix it
in the same way.
Signed-off-by: Martin Kelly <mkelly@xevo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In mcba_usb, we have observed that when you unplug the device, the driver will
endlessly resubmit failing URBs, which can cause CPU stalls. This issue
is fixed in mcba_usb by catching the codes seen on device disconnect
(-EPIPE and -EPROTO).
This driver also resubmits in the case of -EPIPE and -EPROTO, so fix it
in the same way.
Signed-off-by: Martin Kelly <mkelly@xevo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In mcba_usb, we have observed that when you unplug the device, the driver will
endlessly resubmit failing URBs, which can cause CPU stalls. This issue
is fixed in mcba_usb by catching the codes seen on device disconnect
(-EPIPE and -EPROTO).
This driver also resubmits in the case of -EPIPE and -EPROTO, so fix it
in the same way.
Signed-off-by: Martin Kelly <mkelly@xevo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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When we unplug the device, we can see both -EPIPE and -EPROTO depending
on exact timing and what system we run on. If we continue to resubmit
URBs, they will immediately fail, and they can cause stalls, especially
on slower CPUs.
Fix this by not resubmitting on -EPROTO, as we already do on -EPIPE.
Signed-off-by: Martin Kelly <mkelly@xevo.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The qmi_wwan minidriver support a 'raw-ip' mode where frames are
received without any ethernet header. This causes alignment issues
because the skbs allocated by usbnet are "IP aligned".
Fix by allowing minidrivers to disable the additional alignment
offset. This is implemented using a per-device flag, since the same
minidriver also supports 'ethernet' mode.
Fixes: 32f7adf633b9 ("net: qmi_wwan: support "raw IP" mode")
Reported-and-tested-by: Jay Foster <jay@systech.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The MDIO busses need to be unregistered before they are freed,
otherwise BUG() is called. Add a call to the unregister code if the
registration fails, since we can have multiple busses, of which some
may correctly register before one fails. This requires moving the code
around a little.
Fixes: a3c53be55c95 ("net: dsa: mv88e6xxx: Support multiple MDIO busses")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When removing the interrupt handling code, we should mask the
generation of interrupts. The code however unmasked all
interrupts. This can then cause a new interrupt. We then get into a
deadlock where the interrupt thread is waiting to run, and the code
continues, trying to remove the interrupt handler, which means waiting
for the thread to complete. On a UP machine this deadlocks.
Fix so we really mask interrupts in the hardware. The same error is
made in the error path when install the interrupt handling code.
Fixes: 3460a5770ce9 ("net: dsa: mv88e6xxx: Mask g1 interrupts and free interrupt")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If clk_set_rate() fails, we should disable clk before return.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Branislav Radocaj <branislav@radocaj.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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add appropriate calls to clk_disable_unprepare() by jumping to out_mdio
in case orion_mdio_probe() returns -EPROBE_DEFER.
Found by Linux Driver Verification project (linuxtesting.org).
Fixes: 3d604da1e954 ("net: mvmdio: get and enable optional clock")
Signed-off-by: Tobias Jordan <Tobias.Jordan@elektrobit.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function virtqueue_get_buf_ctx() could return NULL, the return
value 'buf' need to be checked with NULL, not value 'ctx'.
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
Third batch of iwlwifi patches intended for 4.15.
* Tell mac80211 when the MAC has been stripped (9000 series);
* Tell mac80211 when the IVC has been stripped (9000 series);
* Add 2 new PCI IDs, one for 9000 and one for 22000;
* Fix a queue hang due during ROC.
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When I run make W=1 on gcc (Debian 7.2.0-16) 7.2.0 I got an error for
the first run, all next ones are okay.
CC [M] drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.o
drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c:2078: error: Cannot parse struct or union!
scripts/Makefile.build:310: recipe for target 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.o' failed
Seems like something happened with W=1 and wrong kernel doc format.
As a quick fix remove dubious /** in the code.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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These duplicate includes have been found with scripts/checkincludes.pl but
they have been removed manually to avoid removing false positives.
Signed-off-by: Pravin Shedge <pravin.shedge4linux@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using a period after a newline causes bad output.
Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Paul Durrant <paul.durrant@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Offload IP header checksum to NIC.
This fixes a previous patch which disabled checksum offloading
for both IPv4 and IPv6 packets. So L3 checksum offload was
getting disabled for IPv4 pkts. And HW is dropping these pkts
for some reason.
Without this patch, IPv4 TSO appears to be broken:
WIthout this patch I get ~16kbyte/s, with patch close to 2mbyte/s
when copying files via scp from test box to my home workstation.
Looking at tcpdump on sender it looks like hardware drops IPv4 TSO skbs.
This patch restores performance for me, ipv6 looks good too.
Fixes: fa6d7cb5d76c ("net: thunderx: Fix TCP/UDP checksum offload for IPv6 pkts")
Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Aleksey Makarov <aleksey.makarov@auriga.com>
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the rmnet device creation fails in the newlink either while
registering with the physical device or after subsequent
operations, the rmnet endpoint information is never freed.
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a skb in transmit path does not have sufficient headroom to add
the map header, the skb is not sent out and is never freed.
Fixes: ceed73a2cf4a ("drivers: net: ethernet: qualcomm: rmnet: Initial implementation")
Signed-off-by: Subash Abhinov Kasiviswanathan <subashab@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using NULL as argument for the DMA mapping API is bogus, as the DMA
mapping API may use information from the "struct device" to perform
the DMA mapping operation. Therefore, pass the appropriate "struct
device".
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two types of "struct device": the one representing the
physical device on its physical bus (platform, SPI, PCI, etc.), and
the one representing the logical device in its device class (net,
etc.).
The DMA mapping API expects to receive as argument a "struct device"
representing the physical device, as the "struct device" contains
information about the bus that the DMA API needs.
However, the sh_eth driver mistakenly uses the "struct device"
representing the logical device (embedded in "struct net_device")
rather than the "struct device" representing the physical device on
its bus.
This commit fixes that by adjusting all calls to the DMA mapping API.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to LS1021A RM, the value of PAL can be set so that the start of the
IP header in the receive data buffer is aligned to a 32-bit boundary. Normally,
setting PAL = 2 provides minimal padding to ensure such alignment of the IP
header.
However every incoming packet's 8-byte time stamp will be inserted into the
packet data buffer as padding alignment bytes when hardware time stamping is
enabled.
So we set the padding 8+2 here to avoid the flooded alignment faults:
root@128:~# cat /proc/cpu/alignment
User: 0
System: 17539 (inet_gro_receive+0x114/0x2c0)
Skipped: 0
Half: 0
Word: 0
DWord: 0
Multi: 17539
User faults: 2 (fixup)
Also shown when exception report enablement
CPU: 0 PID: 161 Comm: irq/66-eth1_g0_ Not tainted 4.1.21-rt13-WR8.0.0.0_preempt-rt #16
Hardware name: Freescale LS1021A
[<8001b420>] (unwind_backtrace) from [<8001476c>] (show_stack+0x20/0x24)
[<8001476c>] (show_stack) from [<807cfb48>] (dump_stack+0x94/0xac)
[<807cfb48>] (dump_stack) from [<80025d70>] (do_alignment+0x720/0x958)
[<80025d70>] (do_alignment) from [<80009224>] (do_DataAbort+0x40/0xbc)
[<80009224>] (do_DataAbort) from [<80015398>] (__dabt_svc+0x38/0x60)
Exception stack(0x86ad1cc0 to 0x86ad1d08)
1cc0: f9b3e080 86b3d072 2d78d287 00000000 866816c0 86b3d05e 86e785d0 00000000
1ce0: 00000011 0000000e 80840ab0 86ad1d3c 86ad1d08 86ad1d08 806d7fc0 806d806c
1d00: 40070013 ffffffff
[<80015398>] (__dabt_svc) from [<806d806c>] (inet_gro_receive+0x114/0x2c0)
[<806d806c>] (inet_gro_receive) from [<80660eec>] (dev_gro_receive+0x21c/0x3c0)
[<80660eec>] (dev_gro_receive) from [<8066133c>] (napi_gro_receive+0x44/0x17c)
[<8066133c>] (napi_gro_receive) from [<804f0538>] (gfar_clean_rx_ring+0x39c/0x7d4)
[<804f0538>] (gfar_clean_rx_ring) from [<804f0bf4>] (gfar_poll_rx_sq+0x58/0xe0)
[<804f0bf4>] (gfar_poll_rx_sq) from [<80660b10>] (net_rx_action+0x27c/0x43c)
[<80660b10>] (net_rx_action) from [<80033638>] (do_current_softirqs+0x1e0/0x3dc)
[<80033638>] (do_current_softirqs) from [<800338c4>] (__local_bh_enable+0x90/0xa8)
[<800338c4>] (__local_bh_enable) from [<8008025c>] (irq_forced_thread_fn+0x70/0x84)
[<8008025c>] (irq_forced_thread_fn) from [<800805e8>] (irq_thread+0x16c/0x244)
[<800805e8>] (irq_thread) from [<8004e490>] (kthread+0xe8/0x104)
[<8004e490>] (kthread) from [<8000fda8>] (ret_from_fork+0x14/0x2c)
Signed-off-by: Zumeng Chen <zumeng.chen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Previously we swapped the tx_packets, tx_bytes and tx_dropped counters
with rx_packets, rx_bytes and rx_dropped counters, respectively. This
behaviour is correct and expected for VF representors but it should not
be swapped for physical port mac representors.
Fixes: eadfa4c3be99 ("nfp: add stats and xmit helpers for representors")
Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When RADA is active, the hardware decrypts the packets and strips off
the MIC as it is useless after decryption. Indicate that to mac80211.
Cc: stable@vger.kernel.org # 4.13+
[this is needed for the 9000-series HW to work properly]
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Set the flag that indicates that ICV was stripped on if
this option was enabled in the HW.
Cc: stable@vger.kernel.org # 4.13+
[this is needed for the 9000-series HW to work properly]
Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Before deleting a time event (remain-on-channel instance), flush
the queue so that frames cannot get stuck on it. We already flush
the AUX STA queues, but a separate station is used for the P2P
Device queue.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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add 1 PCI ID for 9260 series and 1 for 22000 series.
Cc: stable@vger.kernel.org
Signed-off-by: Ihab Zhaika <ihab.zhaika@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Remove one extraneous level of indentation on assignment statement.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2017-12-01
this is a pull for net consisting of nine patches.
The first three patches are by Jimmy Assarsson for the kvaser_usb driver
and add the missing free()s in some error path, a signed/unsigned
comparison and ratelimit the error messages in case of incomplete
messages. Oliver Stäbler's patch for the ti_hecc driver fix the napi
poll function's return value. The return values of the probe function of
the peak_canfd and peak_pci PCI drivers are fixed by Stephane Grosjean's
patch. Two patches by me for the flexcan driver update the
bugs/features/quirks overview table and fix the error state transition
for the VF610 SoC. The two patches by Martin Kelly for the mcba_usb
driver fix a typo and a device disconnect bug.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mss variable tracks the last max segment size sent to the TSO
engine. We do not update the hardware as long as we receive skb:s with
the same value in gso_size.
During a network device down/up cycle (mapped to stmmac_release() and
stmmac_open() callbacks) we issue a reset to the hardware and it
forgets the setting for mss. However we did not zero out our mss
variable so the next transmission of a gso packet happens with an
undefined hardware setting.
This triggers a hang in the TSO engine and eventuelly the netdev
watchdog will bark.
Fixes: f748be531d70 ("stmmac: support new GMAC4")
Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current codes don't use skb->mark to assign flowi4_mark, it would
make the policy route rule with fwmark doesn't work as expected.
Signed-off-by: Gao Feng <gfree.wind@vip.163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tap_recvmsg() supports accepting skb by msg_control after
commit 3b4ba04acca8 ("tap: support receiving skb from msg_control"),
the skb if presented should be freed within the function, otherwise
it would be leaked.
Signed-off-by: Wei Xu <wexu@redhat.com>
Reported-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tun_recvmsg() supports accepting skb by msg_control after
commit ac77cfd4258f ("tun: support receiving skb through msg_control"),
the skb if presented should be freed no matter how far it can go
along, otherwise it would be leaked.
This patch fixes several missed cases.
Signed-off-by: Wei Xu <wexu@redhat.com>
Reported-by: Matthew Rosato <mjrosato@linux.vnet.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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short_input variable is assigned to another data pointer which is
referred out of its scope. Fix it by moving short_input definition
to the beginning of bnxt_hwrm_do_send_msg() function.
No failure has been reported so far due to this issue.
Fixes: e605db801bde ("bnxt_en: Support for Short Firmware Message")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For flows that involve a vxlan encap action, the vxlan sock
interface may be specified as the outgoing interface. The driver
must resolve the outgoing PF interface used by this socket and
use the dst_fid of the PF in the hwrm_cfa_encap_record_alloc cmd.
Similarily for flows that have a vxlan decap action, the
fid of the incoming PF interface must be used as the src_fid in
the hwrm_cfa_decap_filter_alloc cmd.
Fixes: 8c95f773b4a3 ("bnxt_en: add support for Flower based vxlan encap/decap offload")
Signed-off-by: Sathya Perla <sathya.perla@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While creating a decap filter the tunnel smac need not (and must not) be
specified as we cannot ascertain the neighbor in the recv path. 'ttl'
match is also not needed for the decap filter and must be wild-carded.
Fixes: f484f6782e01 ("bnxt_en: add hwrm FW cmds for cfa_encap_record and decap_filter")
Signed-off-by: Sunil Challa <sunilkumar.challa@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current 'bnxt_shutdown' implementation only invokes
'bnxt_ulp_shutdown' to shut down RoCE in the case when the system is in
the path of power off (SYSTEM_POWER_OFF). While this may work in most
cases, it does not work in the smart NIC case, when Linux 'reboot'
command is initiated from the Linux that runs on the ARM cores of the
NIC card. In this particular case, Linux 'reboot' results in a system
'L3' level reset where the entire ARM and associated subsystems are
being reset, but at the same time, Nitro core is being kept in sane state
(to allow external PCIe connected servers to continue to work). Without
properly shutting down RoCE and freeing all associated resources, it
results in the ARM core to hang immediately after the 'reboot'
By always invoking 'bnxt_ulp_shutdown' in 'bnxt_shutdown', it fixes the
above issue
Fixes: 0efd2fc65c92 ("bnxt_en: Add a callback to inform RDMA driver during PCI shutdown.")
Signed-off-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the function brcmf_sdio_firmware_callback() the driver is
unbound from the sdio function devices in the error path.
However, the order in which it is done resulted in a use-after-free
issue (see brcmf_ops_sdio_remove() in bcmsdh.c). Hence change
the order and first unbind sdio function #2 device and then
unbind sdio function #1 device.
Cc: stable@vger.kernel.org # v4.12.x
Fixes: 7a51461fc2da ("brcmfmac: unbind all devices upon failure in firmware callback")
Reported-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
Second batch of fixes intended for 4.15.
* One fix in rate-scaling;
* One fix for the TX queue hang detection for AP/GO modes;
* Fix the TX queue hang timeout used in monitor interfaces;
* Fix packet injection;
* Remove a wrong error message when dumping PCI registers;
* Fix race condition with RF-kill;
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Ensure that we tell the MAC to take the link down when phylink_stop()
is called, and that this completes prior to phylink_stop() returns.
Reported-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We do not support SFP modules which require the address change sequence
as detailed by SFF 8472 revision 1.22 section 8.9. Warn when these
modules are inserted, and treat them as SFF8079 modules for ethtool.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are two bits in the option word for the RX_LOS signal. One
reports that the RX_LOS signal is active high, the other reports that
it is active low. When both or neither are set, the result is not
well defined in the specification.
Rather than assuming that neither set means normal RX_LOS, take this
as meaning no RX_LOS signal available, thereby ignoring the signal.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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