| Commit message (Collapse) | Author | Age |
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Given that bip->bip_iter.bi_size is decremented after bio_advance() ->
bio_integrity_advance() is called, the BUG_ON() in bio_integrity_verify()
ends up tripping in v3.14-rc1 code with the advent of immutable biovecs
in:
commit d57a5f7c6605f15f3b5134837e68b448a7cea88e
Author: Kent Overstreet <kmo@daterainc.com>
Date: Sat Nov 23 17:20:16 2013 -0800
bio-integrity: Convert to bvec_iter
Given that there is no easy way to ascertain the original bi_size
value, go ahead and drop this BUG_ON().
Reported-by: Sagi Grimberg <sagig@dev.mellanox.co.il>
Reported-by: Akinobu Mita <akinobu.mita@gmail.com>
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Jens Axboe <axboe@fb.com>
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Add a new blk_mq_end_io_partial function to partially complete requests
as needed by the SCSI layer. We do this by reusing blk_update_request
to advance the bio instead of having a simplified version of it in
the blk-mq code.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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It's almost identical to blk_mq_insert_request, so fold the two into one
slightly more generic function by making the flush special case a bit
smarted.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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There's only one caller, which is a straight wrapper and fits the naming
scheme of the related functions a lot better.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
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After several experiments, deduced the the optimal number of unaligned
writes to be 2. Changing the value accordingly.
Signed-off-by: Asai Thambi S P <asamymuthupa@micron.com>
Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin control fixes from Linus Walleij:
"This is a set of pin control fixes I have collected over the last few
days. Some have rotated more than others in linux-next, but they were
rebased on v3.14-rc5 due to sloppy commit messages. I am quite
convinced that they are all good fixes that only hit this or that
individual driver and not the entire subsystem.
- Fix chained interrupts, interrupt masking and register offset
calculation for the sunxi driver
- Make MSM a bool rather than a tristate to stop build problems to
happen - chained interrupt controllers cannot currently be defined
in modules
- Fix a clock in the PFC driver
- Fix a kernel panic in the sirf driver"
* tag 'pinctrl-v3.14-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: sirf: fix kernel panic in gpio_lock_as_irq
pinctrl: sh-pfc: r8a7791: SD1_CLK fix
pinctrl: msm: make PINCTRL_MSM bool instead of tristate
pinctrl: sunxi: Fix interrupt register offset calculation
pinctrl: sunxi: Fix masking when setting irq type
pinctrl: sunxi: use chained_irq_{enter, exit} for GIC compatibility
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commit 655dada6277991 causes kernel panic, this patch fixes it.
[ 1.197816] [ffffffee] *pgd=0d7fd821, *pte=00000000, *ppte=00000000
[ 1.204070] Internal error: Oops: 17 [#1] PREEMPT SMP ARM
[ 1.209447] Modules linked in:
[ 1.212490] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.14.0-rc1 #3
[ 1.218737] task: cd03c000 ti: cd040000 task.ti: cd040000
[ 1.224127] PC is at gpiod_lock_as_irq+0xc/0x64
[ 1.228634] LR is at sirfsoc_gpio_irq_startup+0x18/0x44
[ 1.233842] pc : [<c01d3990>] lr : [<c01d1c38>] psr: a0000193
[ 1.233842] sp : cd041d30 ip : 00000000 fp : 00000000
[ 1.245296] r10: 00000000 r9 : cd023db4 r8 : 60000113
[ 1.250505] r7 : 0000003e r6 : cd023dd4 r5 : c06bfa54 r4 : cd023d80
[ 1.257014] r3 : 00000020 r2 : 00000000 r1 : ffffffea r0 : ffffffea
[ 1.263526] Flags: NzCv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 1.270903] Control: 10c53c7d Table: 00004059 DAC: 00000015
[ 1.276631] Process swapper/0 (pid: 1, stack limit = 0xcd040240)
[ 1.282620] Stack: (0xcd041d30 to 0xcd042000)
[ 1.286963] 1d20: cd023d80 c01d1c38 c01d1c20 cd023d80
[ 1.295124] 1d40: 00000001 c0068438 cd023d80 ccb6d880 cd023dd4 c0067044 0000718e c006719c
[ 1.286963] 1d20: cd023d80 c01d1c38 c01d1c20 cd023d80
[ 1.295124] 1d40: 00000001 c0068438 cd023d80 ccb6d880 cd023dd4 c0067044 0000718e c006719c
[ 1.295124] 1d40: 00000001 c0068438 cd023d80 ccb6d880 cd023dd4 c0067044 0000718e c006719c
[ 1.303283] 1d60: 00000800 00000083 ccb6d880 cd023d80 c02b41d8 00000083 0000003e ccb7c410
[ 1.311442] 1d80: 00000000 c00671dc 00000083 0000003e c02b41d8 cd3dd5c0 0000003e ccb7c634
[ 1.319601] 1da0: cd040030 c00672a8 cd3dd5c0 ccb7c410 ccb6d340 ccb7c410 ccb6d340 cd3dd400
[ 1.327760] 1dc0: cd3dd410 c02b4434 ccb7c410 c01265a8 00000001 cd3dd410 c0687108 00000000
[ 1.335919] 1de0: c0687108 00000000 00000000 c0240170 c0240158 cd3dd410 c06c30d0 c023e8bc
[ 1.344079] 1e00: c023e9d4 00000000 cd3dd410 c023e9d4 c0682150 c023cf88 cd003e98 cd2d50c4
[ 1.352238] 1e20: cd3dd410 cd3dd444 c06822f0 c023e768 cd3dd418 cd3dd410 c06822f0 c023de14
[ 1.360397] 1e40: cd3dd418 00000000 cd3dd410 c023c398 cd041e78 cd041ea8 cd3dd400 cd3dd410
[ 1.368556] 1e60: 00000083 00000000 cd3dd400 cd3dd410 00000083 000000c8 c04e00c8 c023fee8
[ 1.376715] 1e80: 00000000 cd041ea8 cd3dd400 00000001 00000083 c024048c c0435ef8 c0434dec
[ 1.384874] 1ea0: c068da58 c04c6d04 c0682150 c0435ef8 ffffffff 00000000 00000000 c068da58
[ 1.393033] 1ec0: 00000020 00000000 00000000 00000000 c05dabb8 00000007 c068d640 c068d640
[ 1.401193] 1ee0: c04c247c c04c249c 00000000 c00088e8 cd004c00 c043bbb8 cd029180 c03812a0
[ 1.409352] 1f00: 00000000 00000000 60000113 c0673728 60000113 c0673728 00000000 00000000
[ 1.417511] 1f20: cd7fce01 c0390a54 00000065 c003a81c c049e8bc 00000007 cd7fce0e 00000007
[ 1.425670] 1f40: 00000000 c05dabb8 00000007 c068d640 c068d640 c04c050c c04e00c8 00000065
[ 1.433829] 1f60: c04e00c0 c04c0c54 00000007 00000007 c04c050c c037d8fc cd03c000 c004322c
[ 1.441988] 1f80: c0662b40 0000d640 c03737c0 00000000 00000000 00000000 00000000 00000000
[ 1.450147] 1fa0: 00000000 c03737cc 00000000 c000e478 00000000 00000000 00000000 00000000
[ 1.458307] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 1.466467] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 0002d481 05014092
[ 1.474640] [<c01d3990>] (gpiod_lock_as_irq) from [<c01d1c38>] (sirfsoc_gpio_irq_startup+0x18/0x44)
[ 1.483661] [<c01d1c38>] (sirfsoc_gpio_irq_startup) from [<c0068438>] (irq_startup+0x34/0x6c)
[ 1.492163] [<c0068438>] (irq_startup) from [<c0067044>] (__setup_irq+0x450/0x4b8)
[ 1.499714] [<c0067044>] (__setup_irq) from [<c00671dc>] (request_threaded_irq+0xa8/0x128)
[ 1.507960] [<c00671dc>] (request_threaded_irq) from [<c00672a8>] (request_any_context_irq+0x4c/0x7c)
[ 1.517164] [<c00672a8>] (request_any_context_irq) from [<c02b4434>] (gpio_extcon_probe+0x144/0x1d4)
[ 1.526279] [<c02b4434>] (gpio_extcon_probe) from [<c0240170>] (platform_drv_probe+0x18/0x48)
[ 1.534783] [<c0240170>] (platform_drv_probe) from [<c023e8bc>] (driver_probe_device+0x120/0x238)
[ 1.543641] [<c023e8bc>] (driver_probe_device) from [<c023cf88>] (bus_for_each_drv+0x58/0x8c)
[ 1.552143] [<c023cf88>] (bus_for_each_drv) from [<c023e768>] (device_attach+0x74/0x88)
[ 1.560126] [<c023e768>] (device_attach) from [<c023de14>] (bus_probe_device+0x84/0xa8)
[ 1.568113] [<c023de14>] (bus_probe_device) from [<c023c398>] (device_add+0x440/0x520)
[ 1.576012] [<c023c398>] (device_add) from [<c023fee8>] (platform_device_add+0xb4/0x214)
[ 1.584084] [<c023fee8>] (platform_device_add) from [<c024048c>] (platform_device_register_full+0xb8/0xdc)
[ 1.593719] [<c024048c>] (platform_device_register_full) from [<c04c6d04>] (sirfsoc_init_late+0xec/0xf4)
[ 1.603185] [<c04c6d04>] (sirfsoc_init_late) from [<c04c249c>] (init_machine_late+0x20/0x28)
[ 1.611603] [<c04c249c>] (init_machine_late) from [<c00088e8>] (do_one_initcall+0xf8/0x144)
[ 1.619934] [<c00088e8>] (do_one_initcall) from [<c04c0c54>] (kernel_init_freeable+0x13c/0x1dc)
[ 1.628620] [<c04c0c54>] (kernel_init_freeable) from [<c03737cc>] (kernel_init+0xc/0x118)
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Fix the SD1_CLK handling for r8a7791. Without this patch
it is impossible to request all pins needed for SDHI1 on
the Koelsch board.
Signed-off-by: Magnus Damm <damm@opensource.se>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Modular builds of pinctrl-msm break due to handle_bad_irq being
unexported for module use. For now, make PINCTRL_MSM 'bool'.
Signed-off-by: Josh Cartwright <joshc@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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This fixing setting the interrupt type for eints >= 8.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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On tha Allwinner A20 SoC, the external interrupts on the pin controller
device are connected to the GIC. Without chained_irq_{enter, exit},
external GPIO interrupts, such as used by mmc core card detect, cause
the system to hang.
This issue was first encountered during my attempt to get out-of-band
interrupts for WiFi on the Cubietruck working. With David's new series
of sunci-mci using mmc slot-gpio for (GPIO interrupt based) card
detection, removing the SD card also causes my Cubietruck to hang. This
problem should extend to all Allwinner A20 based boards.
With this fix, the system no longer hangs when I remove or insert the
SD card. /proc/interrupts show that the interrupt has correctly fired.
However the system still does not detect card removal/insertion. I
believe this is another unrelated issue.
Cc: stable@vger.kernel.org
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen fix from Konrad Rzeszutek Wilk:
"This has exactly one patch for Xen ARM. It sets the dependency to
compile the kernel with MMU enabled - otherwise - the guest won't work
very well"
* tag 'stable/for-linus-3.14-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
ARM: XEN depends on having a MMU
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arch/arm/xen/enlighten.c (and maybe others) use MMU-specific functions
like pte_mkspecial which are only available on MMU builds. So let XEN
depend on MMU.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Pull c6x build fix from Mark Salter:
"Build fix for c6x"
* tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming:
c6x: fix build failure caused by cache.h
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A patch to linux/irqflags.h uncovered a problem with c6x asm/cache.h
which causes a build failure:
/arch/c6x/include/asm/cache.h:63:20: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘c6x_cache_init’
extern void __init c6x_cache_init(void);
The asm/cache.h was relying on linux/irqflags.h to pull in linux/init.h
but the recent patch changed that. The c6x header should have included
linux/init.h all along.
Signed-off-by: Mark Salter <msalter@redhat.com>
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Pull networking fixes from David Miller:
1) Fix memory leak in ieee80211_prep_connection(), sta_info leaked on
error. From Eytan Lifshitz.
2) Unintentional switch case fallthrough in nft_reject_inet_eval(),
from Patrick McHardy.
3) Must check if payload lenth is a power of 2 in
nft_payload_select_ops(), from Nikolay Aleksandrov.
4) Fix mis-checksumming in xen-netfront driver, ip_hdr() is not in the
correct place when we invoke skb_checksum_setup(). From Wei Liu.
5) TUN driver should not advertise HW vlan offload features in
vlan_features. Fix from Fernando Luis Vazquez Cao.
6) IPV6_VTI needs to select NET_IPV_TUNNEL to avoid build errors, fix
from Steffen Klassert.
7) Add missing locking in xfrm_migrade_state_find(), we must hold the
per-namespace xfrm_state_lock while traversing the lists. Fix from
Steffen Klassert.
8) Missing locking in ath9k driver, access to tid->sched must be done
under ath_txq_lock(). Fix from Stanislaw Gruszka.
9) Fix two bugs in TCP fastopen. First respect the size argument given
to tcp_sendmsg() in the fastopen path, and secondly prevent
tcp_send_syn_data() from potentially using order-5 allocations.
From Eric Dumazet.
10) Fix handling of default neigh garbage collection params, from Jiri
Pirko.
11) Fix cwnd bloat and over-inflation of RTT when transmit segmentation
is in use. From Eric Dumazet.
12) Missing initialization of Realtek r8169 driver's statistics
seqlocks. Fix from Kyle McMartin.
13) Fix RTNL assertion failures in 802.3ad and AB ARP monitor of bonding
driver, from Ding Tianhong.
14) Bonding slave release race can cause divide by zero, fix from
Nikolay Aleksandrov.
15) Overzealous return from neigh_periodic_work() causes reachability
time to not be computed. Fix from Duain Jiong.
16) Fix regression in ipv6_find_hdr(), it should not return -ENOENT when
a specific target is specified and found. From Hans Schillstrom.
17) Fix VLAN tag stripping regression in BNA driver, from Ivan Vecera.
18) Tail loss probe can calculate bogus RTTs due to missing packet
marking on retransmit. Fix from Yuchung Cheng.
19) We cannot do skb_dst_drop() in iptunnel_pull_header() because
multicast loopback detection in later code paths need access to
skb_rtable(). Fix from Xin Long.
20) The macvlan driver regresses in that it propagates lower device
offload support disables into itself, causing severe slowdowns when
running over a bridge. Provide the software offloads always on
macvlan devices to deal with this and the regression is gone. From
Vlad Yasevich.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (103 commits)
macvlan: Add support for 'always_on' offload features
net: sctp: fix sctp_sf_do_5_1D_ce to verify if we/peer is AUTH capable
ip_tunnel:multicast process cause panic due to skb->_skb_refdst NULL pointer
net: cpsw: fix cpdma rx descriptor leak on down interface
be2net: isolate TX workarounds not applicable to Skyhawk-R
be2net: Fix skb double free in be_xmit_wrokarounds() failure path
be2net: clear promiscuous bits in adapter->flags while disabling promiscuous mode
be2net: Fix to reset transparent vlan tagging
qlcnic: dcb: a couple off by one bugs
tcp: fix bogus RTT on special retransmission
hsr: off by one sanity check in hsr_register_frame_in()
can: remove CAN FD compatibility for CAN 2.0 sockets
can: flexcan: factor out soft reset into seperate funtion
can: flexcan: flexcan_remove(): add missing netif_napi_del()
can: flexcan: fix transition from and to freeze mode in chip_{,un}freeze
can: flexcan: factor out transceiver {en,dis}able into seperate functions
can: flexcan: fix transition from and to low power mode in chip_{en,dis}able
can: flexcan: flexcan_open(): fix error path if flexcan_chip_start() fails
can: flexcan: fix shutdown: first disable chip, then all interrupts
USB AX88179/178A: Support D-Link DUB-1312
...
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Macvlan currently inherits all of its features from the lower
device. When lower device disables offload support, this causes
macvlan to disable offload support as well. This causes
performance regression when using macvlan/macvtap in bridge
mode.
It can be easily demonstrated by creating 2 namespaces using
macvlan in bridge mode and running netperf between them:
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.0.0.1 () port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 20.00 1204.61
To restore the performance, we add software offload features
to the list of "always_on" features for macvlan. This way
when a namespace or a guest using macvtap initially sends a
packet, this packet will not be segmented at macvlan level.
It will only be segmented when macvlan sends the packet
to the lower device.
MIGRATED TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.0.0.1 () port 0 AF_INET
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec
87380 16384 16384 20.00 5507.35
Fixes: 6acf54f1cf0a6747bac9fea26f34cfc5a9029523 (macvtap: Add support of packet capture on macvtap device.)
Fixes: 797f87f83b60685ff8a13fa0572d2f10393c50d3 (macvlan: fix netdev feature propagation from lower device)
CC: Florian Westphal <fw@strlen.de>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: Jason Wang <jasowang@redhat.com>
CC: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
Please pull this batch of fixes intended for the 3.14 stream...
For the mac80211 bits, Johannes says:
"This time I have a fix to get out of an 'infinite error state' in case
regulatory domain updates failed and two fixes for VHT associations: one
to not disconnect immediately when the AP uses more bandwidth than the
new regdomain would allow after a change due to association country
information getting used, and one for an issue in the code where
mac80211 doesn't correctly ignore a reserved field and then uses an HT
instead of VHT association."
For the iwlwifi bits, Emmanuel says:
"Johannes fixes a long standing bug in the AMPDU status reporting.
Max fixes the listen time which was way too long and causes trouble
to several APs."
Along with those, Bing Zhao marks the mwifiex_usb driver as _not_
supporting USB autosuspend after a number of problems with that have
been reported.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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As many Surface Pro I & II users have found out, the mwifiex_usb
doesn't support usb autosuspend, and it has caused some system
stability issues.
Bug 69661 - mwifiex_usb on MS Surface Pro 1 is unstable
Bug 60815 - Interface hangs in mwifiex_usb
Bug 64111 - mwifiex_usb USB8797 crash failed to get signal
information
USB autosuspend get triggered when Surface Pro's AC power is
removed or powertop enables power saving on USB8797 device.
Driver's suspend handler is called here, but resume handler
won't be called until the AC power is put back on or powertop
disables power saving for USB8797.
We need to refactor the suspend/resume handlers to support
usb autosuspend properly. For now let's just remove it.
Cc: <stable@vger.kernel.org> # 3.5+
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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When a VHT network uses 20 or 40 MHz as per the HT operation
information, the channel center frequency segment 0 field in
the VHT operation information is reserved, so ignore it.
This fixes association with such networks when the AP puts 0
into the field, previously we'd disconnect due to an invalid
channel with the message
wlan0: AP VHT information is invalid, disable VHT
Cc: stable@vger.kernel.org
Fixes: f2d9d270c15ae ("mac80211: support VHT association")
Reported-by: Tim Nelson <tim.l.nelson@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Reset regdomain to world regdomain in case
of errors in set_regdom() function.
This will fix a problem with such scenario:
- iw reg set US
- iw reg set 00
- iw reg set US
The last step always fail and we get deadlock
in kernel regulatory code. Next setting new
regulatory wasn't possible due to:
Pending regulatory request, waiting for it to be processed...
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Acked-by: Luis R. Rodriguez <mcgrof@do-not-panic.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The MLME code in mac80211 must track whether or not the AP changed
bandwidth, but if there's no change while tracking it shouldn't do
anything, otherwise regulatory updates can make it impossible to
connect to certain APs if the regulatory database doesn't match the
information from the AP. See the precise scenario described in the
code.
This still leaves some possible problems with CSA or if the AP
actually changed bandwidth, but those cases are less common and
won't completely prevent using it.
This fixes https://bugzilla.kernel.org/show_bug.cgi?id=70881
Cc: stable@vger.kernel.org
Reported-and-tested-by: Nate Carlson <kernel@natecarlson.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes
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Only the first packet is currently handled correctly, but then
all others are assumed to have failed which is problematic. Fix
this, marking them all successful instead (since if they're not
then the firmware will have transmitted them as single frames.)
This fixes the lost packet reporting.
Also do a tiny variable scoping cleanup.
Cc: <stable@vger.kernel.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[Add the dvm part]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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Some APs reject STA association request if a listen interval value exceeds
a threshold of 10. Thus, for example, Cisco APs may deny STA associations
returning status code 12 (Association denied due to reason outside the scope
of 802.11 standard) in the association response frame.
Fixing the issue by setting the default IWL_CONN_MAX_LISTEN_INTERVAL value
from 70 to 10.
Cc: <stable@vger.kernel.org> [3.10+]
Signed-off-by: Max Stepanov <Max.Stepanov@intel.com>
Reviewed-by: Alexander Bondar <alexander.bondar@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
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RFC4895 introduced AUTH chunks for SCTP; during the SCTP
handshake RANDOM; CHUNKS; HMAC-ALGO are negotiated (CHUNKS
being optional though):
---------- INIT[RANDOM; CHUNKS; HMAC-ALGO] ---------->
<------- INIT-ACK[RANDOM; CHUNKS; HMAC-ALGO] ---------
-------------------- COOKIE-ECHO -------------------->
<-------------------- COOKIE-ACK ---------------------
A special case is when an endpoint requires COOKIE-ECHO
chunks to be authenticated:
---------- INIT[RANDOM; CHUNKS; HMAC-ALGO] ---------->
<------- INIT-ACK[RANDOM; CHUNKS; HMAC-ALGO] ---------
------------------ AUTH; COOKIE-ECHO ---------------->
<-------------------- COOKIE-ACK ---------------------
RFC4895, section 6.3. Receiving Authenticated Chunks says:
The receiver MUST use the HMAC algorithm indicated in
the HMAC Identifier field. If this algorithm was not
specified by the receiver in the HMAC-ALGO parameter in
the INIT or INIT-ACK chunk during association setup, the
AUTH chunk and all the chunks after it MUST be discarded
and an ERROR chunk SHOULD be sent with the error cause
defined in Section 4.1. [...] If no endpoint pair shared
key has been configured for that Shared Key Identifier,
all authenticated chunks MUST be silently discarded. [...]
When an endpoint requires COOKIE-ECHO chunks to be
authenticated, some special procedures have to be followed
because the reception of a COOKIE-ECHO chunk might result
in the creation of an SCTP association. If a packet arrives
containing an AUTH chunk as a first chunk, a COOKIE-ECHO
chunk as the second chunk, and possibly more chunks after
them, and the receiver does not have an STCB for that
packet, then authentication is based on the contents of
the COOKIE-ECHO chunk. In this situation, the receiver MUST
authenticate the chunks in the packet by using the RANDOM
parameters, CHUNKS parameters and HMAC_ALGO parameters
obtained from the COOKIE-ECHO chunk, and possibly a local
shared secret as inputs to the authentication procedure
specified in Section 6.3. If authentication fails, then
the packet is discarded. If the authentication is successful,
the COOKIE-ECHO and all the chunks after the COOKIE-ECHO
MUST be processed. If the receiver has an STCB, it MUST
process the AUTH chunk as described above using the STCB
from the existing association to authenticate the
COOKIE-ECHO chunk and all the chunks after it. [...]
Commit bbd0d59809f9 introduced the possibility to receive
and verification of AUTH chunk, including the edge case for
authenticated COOKIE-ECHO. On reception of COOKIE-ECHO,
the function sctp_sf_do_5_1D_ce() handles processing,
unpacks and creates a new association if it passed sanity
checks and also tests for authentication chunks being
present. After a new association has been processed, it
invokes sctp_process_init() on the new association and
walks through the parameter list it received from the INIT
chunk. It checks SCTP_PARAM_RANDOM, SCTP_PARAM_HMAC_ALGO
and SCTP_PARAM_CHUNKS, and copies them into asoc->peer
meta data (peer_random, peer_hmacs, peer_chunks) in case
sysctl -w net.sctp.auth_enable=1 is set. If in INIT's
SCTP_PARAM_SUPPORTED_EXT parameter SCTP_CID_AUTH is set,
peer_random != NULL and peer_hmacs != NULL the peer is to be
assumed asoc->peer.auth_capable=1, in any other case
asoc->peer.auth_capable=0.
Now, if in sctp_sf_do_5_1D_ce() chunk->auth_chunk is
available, we set up a fake auth chunk and pass that on to
sctp_sf_authenticate(), which at latest in
sctp_auth_calculate_hmac() reliably dereferences a NULL pointer
at position 0..0008 when setting up the crypto key in
crypto_hash_setkey() by using asoc->asoc_shared_key that is
NULL as condition key_id == asoc->active_key_id is true if
the AUTH chunk was injected correctly from remote. This
happens no matter what net.sctp.auth_enable sysctl says.
The fix is to check for net->sctp.auth_enable and for
asoc->peer.auth_capable before doing any operations like
sctp_sf_authenticate() as no key is activated in
sctp_auth_asoc_init_active_key() for each case.
Now as RFC4895 section 6.3 states that if the used HMAC-ALGO
passed from the INIT chunk was not used in the AUTH chunk, we
SHOULD send an error; however in this case it would be better
to just silently discard such a maliciously prepared handshake
as we didn't even receive a parameter at all. Also, as our
endpoint has no shared key configured, section 6.3 says that
MUST silently discard, which we are doing from now onwards.
Before calling sctp_sf_pdiscard(), we need not only to free
the association, but also the chunk->auth_chunk skb, as
commit bbd0d59809f9 created a skb clone in that case.
I have tested this locally by using netfilter's nfqueue and
re-injecting packets into the local stack after maliciously
modifying the INIT chunk (removing RANDOM; HMAC-ALGO param)
and the SCTP packet containing the COOKIE_ECHO (injecting
AUTH chunk before COOKIE_ECHO). Fixed with this patch applied.
Fixes: bbd0d59809f9 ("[SCTP]: Implement the receive and verification of AUTH chunk")
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Cc: Vlad Yasevich <yasevich@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://gitorious.org/linux-can/linux-can
linux-can-fixes-for-3.14-20140303
Marc Kleine-Budde says:
====================
this is a pull request of 8 patches. Oliver Hartkopp contributes a patch which
removes the CAN FD compatibility for CAN 2.0 sockets, as it turns out that this
compatibility has some conceptual cornercases. The remaining 7 patches are by
me, they address a problem in the flexcan driver. When shutting down the
interface ("ifconfig can0 down") under heavy network load the whole system will
hang. This series reworks the actual sequence in close() and the transition
from and to the low power modes of the CAN controller.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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In commit e2d265d3b587 (canfd: add support for CAN FD in CAN_RAW sockets)
CAN FD frames with a payload length up to 8 byte are passed to legacy
sockets where the CAN FD support was not enabled by the application.
After some discussions with developers at a fair this well meant feature
leads to confusion as no clean switch for CAN / CAN FD is provided to the
application programmer. Additionally a compatibility like this for legacy
CAN_RAW sockets requires some compatibility handling for the sending, e.g.
make CAN2.0 frames a CAN FD frame with BRS at transmission time (?!?).
This will become a mess when people start to develop applications with
real CAN FD hardware. This patch reverts the bad compatibility code
together with the documentation describing the removed feature.
Acked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch moves the soft reset into a seperate function.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch adds the missing netif_napi_del() to the flexcan_remove() function.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch factors out freeze and unfreeze of the CAN core into seperate
functions. Experiments have shown that the transition from and to freeze mode
may take several microseconds, especially the time entering the freeze mode
depends on the current bitrate.
This patch adds a while loop which polls the Freeze Mode ACK bit (FRZ_ACK) that
indicates a successfull mode change. If the function runs into a timeout a
error value is returned.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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This patch moves the transceiver enable and disable into seperate functions,
where the NULL pointer check is hidden.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In flexcan_chip_enable() and flexcan_chip_disable() fixed delays are used.
Experiments have shown that the transition from and to low power mode may take
several microseconds.
This patch adds a while loop which polls the Low Power Mode ACK bit (LPM_ACK)
that indicates a successfull mode change. If the function runs into a timeout a
error value is returned.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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If flexcan_chip_start() in flexcan_open() fails, the interrupt is not freed,
this patch adds the missing cleanup.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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When shutting down the CAN interface (ifconfig canX down) during high CAN bus
loads, the CAN core might hang and freeze the whole CPU.
This patch fixes the shutdown sequence by first disabling the CAN core then
disabling all interrupts.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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when ip_tunnel process multicast packets, it may check if the packet is looped
back packet though 'rt_is_output_route(skb_rtable(skb))' in ip_tunnel_rcv(),
but before that , skb->_skb_refdst has been dropped in iptunnel_pull_header(),
so which leads to a panic.
fix the bug: https://bugzilla.kernel.org/show_bug.cgi?id=70681
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a CPDMA RX Descriptor leak that occurs after taking
the interface down when the CPSW is in Dual MAC mode. Previously
the CPSW_ALE port was left open up which causes packets to be received
and processed by the RX interrupt handler and were passed to the
non active network interface where they were ignored.
The fix is for the slave_stop function of the selected interface
to disable the respective CPSW_ALE Port from forwarding packets. This
blocks traffic from being received on the inactive interface.
Signed-off-by: Schuyler Patton <spatton@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some of TX workarounds in be_xmit_workarounds() routine
are not applicable (and result in HW errors) to Skyhawk-R chip.
Isolate BE3-R/Lancer specific workarounds to a separate routine.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb_padto(), skb_share_check() and __vlan_put_tag() routines free
skb when they return an error. This patch fixes be_xmit_workarounds()
to not free skb again in such cases.
Signed-off-by: Vasundhara Volam <vasundhara.volam@emulex.com>
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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mode
We should clear promiscuous bits in adapter->flags while disabling promiscuous
mode. Else we will not put interface back into VLAN promisc mode if the vlans
already added exceeds the maximum limit.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For disabling transparent tagging issue SET_HSW_CONFIG with pvid_valid=1
and pvid=0xFFFF and not with the default pvid as this case would fail in Lancer.
Hence removing the get_hsw_config call from be_vf_setup() as it's
only use of getting default pvid is no longer needed.
Also do proper housekeeping only if the FW command succeeds.
Signed-off-by: Kalesh AP <kalesh.purayil@emulex.com>
Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ->tc_cfg[] array has QLC_DCB_MAX_TC (8) elements so the check is
off by one. These functions are always called with valid values though
so it doesn't affect how the code works.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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RTT may be bogus with tall loss probe (TLP) when a packet
is retransmitted and latter (s)acked without TCPCB_SACKED_RETRANS flag.
For example, TLP calls __tcp_retransmit_skb() instead of
tcp_retransmit_skb(). The skb timestamps are updated but the sacked
flag is not marked with TCPCB_SACKED_RETRANS. As a result we'll
get bogus RTT in tcp_clean_rtx_queue() or in tcp_sacktag_one() on
spurious retransmission.
The fix is to apply the sticky flag TCP_EVER_RETRANS to enforce Karn's
check on RTT sampling. However this will disable F-RTO if timeout occurs
after TLP, by resetting undo_marker in tcp_enter_loss(). We relax this
check to only if any pending retransmists are still in-flight.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Nandita Dukkipati <nanditad@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a sanity check and we never pass invalid values so this patch
doesn't change anything. However the node->time_in[] array has
HSR_MAX_SLAVE (2) elements and not HSR_MAX_DEV (3).
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the USB device ID for the D-Link DUB-1312 USB 3.0 to Gigabit Ethernet
Adapter to the AX88179/178A driver.
Signed-off-by: Gerry Demaret <gerry@tigron.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Without this patch b44_check_phy() was called when the phy called the
adjust callback. This method only change the mac duplex mode when the
carrier was off. When the phy changed the duplex mode after the carrier
was on the mac was not changed. This happened when an external phy was
used.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When support for external phys was added to b44, the calls to start and
stop the phy were missing in the mac driver. This adds the calls to
phy_start() and phy_stop().
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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