Commit 3b0aaef ("net: ethernet: apple: initialize variables directly")
dropped the only loop that was using i but did not remove the actual
variable, therefore causing a warning when building. This patch drops
the now redundant line.
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added support for Cinterion's PLxx WWAN Interface by adding QMI_FIXED_INTF with
Cinterion's Vendor ID as well as Product ID and WWAN Interface Number.
Signed-off-by: Hans-Christoph Schemmel <hans-christoph.schemmel@gemalto.com>
Signed-off-by: Christian Schmiedl <christian.schmiedl@gemalto.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ben Hutchings says:
====================
Somewhat surprisingly, the net_dropmonitor reporting script doesn't work
at all. This series fixes it and then makes it slightly more efficient.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
We can read /proc/kallsyms in a fraction of a second, so why waste
a further fraction of a second showing progress?
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The sort order of dictionaries in Python is undocumented. Use
tuples instead, which are documented to be lexically ordered.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The comparison between traced and symbol addresses is backwards: if
the traced address doesn't exactly match a symbol (which we don't
expect it to), we'll show the next symbol and the offset to it,
whereas we should show the previous symbol and the offset from it.
Cc: stable@vger.kernel.org
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This works much better if we don't treat protocol numbers as addresses.
Cc: stable@vger.kernel.org
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
MVF is a family while MVF600 is a particular SoC in the family. We
generally prefer to use SoC rather than family name in compatible string
to define a particular type of fec device. And this is how fec_dt_ids
works for all those IMX fec variants. Let's change mvf to mvf600 to
have it work in the same way.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
o After change in EPORT features of 82xx adapter, netdev->features needs to
be updated to reflect EPORT feature updates but driver was manipulating
netdev->features at wrong place.
o This patch uses netdev_update_features() and .ndo_fix_features() to
update netdev->features properly.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Code is removed because netdev->trans_start updates made by the driver
will be ignored by the kernel.
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix error paths in probe to assign proper error codes to probe return value.
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After resetting the device, the driver waits for a signature to be
updated to know that firmware has completed initialization. However, the
call to tg3_poll_fw() is being done too late and we're writing to the
GRC_MODE register before it has completely initialized, causing
contention with firmware. This logic has existed since day one but is
causing PCIE link to go down randomly at startup on one platform once
every few hundred reboots.
Move the tg3_poll_fw() up to before we write to the GRC_MODE register
after reset.
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
John W. Linville says:
====================
This pull request is intended for the 3.10 series. It contains a
variety of fixes for problems discovered during the merge window and
after 3.10-rc1.
For the mac80211 bits, Johannes says the following:
"This is what I have:
* a patch from Felix to fix RCU usage in his rate table code
* a patch from Ilan to add the wdev id to some notifications so they can
actually be used by userspace
* Sasha Levin found an issue in how hwsim handles devices
* a fix for a bug in the wiphy_register() error path that's been there forever
* three fixes for WoWLAN
* AP mode frame matching was erroneously giving frames to all virtual AP
interfaces (reported by Jouni)
* a fix for HT handling in my CSA changes, found by Sujith
* a fix for some locking simplifications gone wrong
* Ben Greear found more cfg80211/mac80211 state confusion
* and a fix for another bug found by Jouni: local state changes need to be
reported by mac80211 to cfg80211 so it disconnects properly."
And for the iwlwifi bits, he says:
"I have fixes for a firmware crash during resume, multicast RX,
aggregation and a workaround for a firmware scanning bug."
Along with those...
Albert Pool adds a USB ID to the rtl8192cu driver.
Arend van Spriel restores a driver option support flag that had been
removed from 3.9 due to a bug in that version of the driver.
Felix Fietkau fixes a trio of ath9k issues with a series of small
patches.
Geert Uytterhoeven provides a Kconfig fix for ath9k (which you also
merged, so it isn't in the diff here).
Larry Finger gives us a fix for a build warning on big-endian systems
for rtlwifi.
Rafał Miłecki adds some core IDs to the bcma driver.
Sujith Manoharan fixes a module unloading crash in ath9k, and corrects
some calibration settings for AR9485.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch cures transmit timeout's with DHCP observed
while running under KVM. When the transmit ring is cleaned out,
the Byte Queue Limit values need to be reset.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes a potential race with concurrently running asynchronous
write requests. The values for device's RX control register are now
stored in dynamically allocated buffers so each URB submission has it's
own copy. Doing it the old way is data clobbering prone.
This patch is against latest 'net' tree.
Signed-off-by: Petko Manolov <petkan@nucleusys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In get_capi_ctr_by_nr() and get_capi_appl_by_nr() the parameter comes
from skb->data. The current code can underflow to one space before the
start of the array.
The sanity check isn't needed in __get_capi_appl_by_nr() but I changed
it to match the others.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Starting with commit 91226790bb
`bnx2x: use FW 7.8.17', the bnx2x driver no longer requests the FW to perform
IP checksums for IPv4 packets.
This behaviour needs to be revised for 57710/57711 chips -
when using GSO, if the driver will not set the IP checksum flag then packets
will be transmitted by the chip without a valid IP checksum, resulting in
a drop of all such packets on the receiver-side.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Another fix needed in ipgre_err(), as parse_gre_header() might change
skb->head.
Bug added in commit c544193214 (GRE: Refactor GRE tunneling code.)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8168evl offloaded checksums are wrong since commit
e5195c1f31 ("r8169: fix 8168evl frame padding.")
pads small packets to 60 bytes (without ethernet checksum). Typical symptoms
appear as UDP checksums which are wrong by the count of added bytes.
It isn't worth compensating. Let the driver checksum.
Due to the skb length changes, TSO code is moved before the Tx descriptor gets
written.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Tested-by: Holger Hoffstätte <holger.hoffstaette@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When bond_3ad_get_active_agg_info() is used in all show_ad_ functions
it is not protected against slave manipulation and since it walks over
the slaves and uses them, this can easily result in NULL pointer
dereference or use of freed memory. Both the new wrapper and the
internal function are exported to the bonding as they're needed in
different places.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When getting arp_ip_targets if we encounter a bad IP, arp_ip_count still
gets increased and all the targets after the wrong one will not be probed
if arp_interval is enabled after that (unless a new IP target is added
through sysfs) because of the zero entry, in this case reading
arp_ip_target through sysfs will show valid targets even if there's a
zero entry.
Example: 1.2.3.4,4.5.6.7,blah,5.6.7.8
When retrieving the list from arp_ip_target the output would be:
1.2.3.4,4.5.6.7,5.6.7.8
but there will be a 0 entry between 4.5.6.7 and 5.6.7.8. If arp_interval
is enabled after that 5.6.7.8 will never be checked because of that.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There're few pr_debug() places that can provide the IPv4 address in
dotted decimal format instead which is more helpful.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Changing the mode without any locking can result in multiple races (e.g.
upping a bond, enslaving/releasing). Depending on which race is hit the
impact can vary from incosistent bond state to kernel crash.
Use RTNL to synchronize the mode setting with the dangerous races.
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
'discovery->data.info' length is 22, NICKNAME_MAX_LEN is 21, so the
strncpy() will always left the last byte of 'discovery->data.info'
uninitialized.
When 'text' length is longer than 21 (NICKNAME_MAX_LEN), if still left
the last byte of 'discovery->data.info' uninitialized, the next
strlen() will cause issue.
Also 'discovery->data' is 'struct irda_device_info' which defined in
"include/uapi/...", it may copy to user mode, so need whole initialized.
All together, need use kzalloc() instead of kmalloc() to initialize all
members firstly.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The net/netlabel/netlabel_domainhash.c:netlbl_domhsh_add() function
does not properly validate new domain hash entries resulting in
potential problems when an administrator attempts to add an invalid
entry. One such problem, as reported by Vlad Halilov, is a kernel
BUG (found in netlabel_domainhash.c:netlbl_domhsh_audit_add()) when
adding an IPv6 outbound mapping with a CIPSO configuration.
This patch corrects this problem by adding the necessary validation
code to netlbl_domhsh_add() via the newly created
netlbl_domhsh_validate() function.
Ideally this patch should also be pushed to the currently active
-stable trees.
Reported-by: Vlad Halilov <vlad.halilov@gmail.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 0178b695fd ("ipv6: Copy cork options in ip6_append_data")
added some code duplication and bad error recovery, leading to potential
crash in ip6_cork_release() as kfree() could be called with garbage.
use kzalloc() to make sure this wont happen.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Neal Cardwell <ncardwell@google.com>
Fix some instances where vxlan fdb 'used' field is not updated after the entry
is used.
v2: rename vxlan_find_mac() as __vxlan_find_mac() and create a new vxlan_find_mac()
that also updates ->used field.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add the missing iounmap() before return from gianfar_ptp_probe()
in the error handling case.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
After a tx attempt, an A-MPDU subframe can still have fi->retries at 0
(if the retry count wasn't incremented due to powersave).
In that case it is still tracked as part of the block ack window, so
when draining the tid queue, its sequence number needs to be cleared
from the pending frame bitmap.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This patch fixes some issues introduced in the rate control API rework.
When not running aggregation, copy bf->rates into info->control.rates
before applying the rate control status to it.
In ath_lookup_rate, the rates need to be pulled from bf->rates, not the
tx info.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When aggregation stop is requested, don't run the mac80211 aggregation
stop callback yet, while the session is still blocked.
Also, when aggregation flush is requested, don't run the callback at all.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Manual peak calibration is currently enabled only for
AR9462 and AR9565. This is also required for AR9485.
The initvals are also modified to disable HW peak calibration.
Cc: <stable@vger.kernel.org>
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This adds the USB ID of the On Networks N300MA, clone of Netgear WNA3100M.
Signed-off-by: Albert Pool <albertpool@solcon.nl>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Reported-by: Ana Rey <Anazul77@hotmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
P2P_DEVICE support was removed from brcmfmac for v3.9 kernel with
the commit below:
commit 1527c343c1
Author: Arend van Spriel <arend@broadcom.com>
Date: Thu Apr 4 12:10:11 2013 +0200
brcmfmac: remove advertising P2P device support
However, it got merged into wireless-next. But for 3.10 brcmfmac does
support P2P device. Putting it back with this commit.
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
In http://lkml.indiana.edu/hypermail/linux/kernel/1305.1/index.html,
Geert Uytterhoeven reports a new warning when building 3.10-rc1 in
this driver. This is caused by using a "#if" test to see if __LITTLE_ENDIAN
is set, which fails for all big-endian systems. Change to "ifdef".
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
If NO_DMA=y:
drivers/built-in.o: In function `ath9k_beacon_generate':
drivers/net/wireless/ath/ath9k/beacon.c:146: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath9k/beacon.c:174: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/beacon.c:176: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath9k_beacon_remove_slot':
drivers/net/wireless/ath/ath9k/beacon.c:252: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_descdma_setup':
drivers/net/wireless/ath/ath9k/init.c:382: undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `ath_edma_get_buffers':
drivers/net/wireless/ath/ath9k/recv.c:616: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_get_next_rx_buf':
drivers/net/wireless/ath/ath9k/recv.c:740: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_rx_edma_cleanup':
drivers/net/wireless/ath/ath9k/recv.c:176: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_cleanup':
drivers/net/wireless/ath/ath9k/recv.c:340: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_edma_buf_link':
drivers/net/wireless/ath/ath9k/recv.c:122: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_rx_tasklet':
drivers/net/wireless/ath/ath9k/recv.c:1275: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:1277: undefined reference to `dma_mapping_error'
drivers/net/wireless/ath/ath9k/recv.c:1283: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_edma_init':
drivers/net/wireless/ath/ath9k/recv.c:226: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:229: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath_rx_init':
drivers/net/wireless/ath/ath9k/recv.c:303: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:306: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath_tx_complete_buf':
drivers/net/wireless/ath/ath9k/xmit.c:2088: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_txstatus_setup':
drivers/net/wireless/ath/ath9k/xmit.c:2344: undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `ath_tx_set_retry':
drivers/net/wireless/ath/ath9k/xmit.c:307: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_tx_setup_buffer':
drivers/net/wireless/ath/ath9k/xmit.c:1887: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/xmit.c:1889: undefined reference to `dma_mapping_error'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
PCIe and ARM CR4 cores were found on 14e4:43b1 AKA BCM4352.
Reported-by: Gabriel Thörnblad <gabriel@thornblad.com>
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
EXPORT_SYMBOL and inline directives are contradictory to each other.
The patch fixes this inconsistency.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
rcu_barrier() only waits for the currently scheduled rcu functions
to finish - it won't wait for any function scheduled via another
call_rcu() within an rcu scheduled function.
Unfortunately our batadv_tt_orig_list_entry_free_ref() does just that,
via a batadv_orig_node_free_ref() call, leading to our rcu_barrier()
call potentially missing such a batadv_orig_node_free_ref().
This patch fixes this issue by calling the batadv_orig_node_free_rcu()
directly from the rcu callback, removing the unnecessary, additional
call_rcu() layer here.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Antonio Quartulli <ordex@autistici.org>
In some situations, we need to disable TSO on bonding slaves.
bonding device automatically unset TSO in bond_fix_features(), and
performance is not good because :
1) We consume more cpu cycles.
2) GSO segmentation has some bugs leading to out of order TCP packets
if this segmentation is done before virtual device. This particular
problem will be addressed in a separate patch.
This patch allows TSO being set/unset on the bonding master,
so that GSO segmentation is done after bonding layer.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Michał Mirosław <mirqus@gmail.com>
Cc: Jay Vosburgh <fubar@us.ibm.com>
Cc: Andy Gospodarek <andy@greyhouse.net>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the interface is shutdown, the mv643xx_eth driver hits the following
lockdep dump:
=================================
[ INFO: inconsistent lock state ]
3.8.0+ #303 Not tainted
---------------------------------
inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
NetworkManager/3449 [HC0[0]:SC0[0]:HE1:SE1] takes:
(_xmit_ETHER#2){+.?...}, at: [<c02828e4>] txq_reclaim+0x60/0x230
{IN-SOFTIRQ-W} state was registered at:
[<c007e93c>] mark_irqflags+0xf8/0x1c4
[<c007ee60>] __lock_acquire+0x458/0x9a4
[<c007f8b0>] lock_acquire+0x60/0x74
[<c03ea914>] _raw_spin_lock+0x40/0x50
[<c0334040>] sch_direct_xmit+0xa4/0x2e4
[<c0320880>] dev_queue_xmit+0x174/0x508
[<c03953b0>] ip6_finish_output2+0xd0/0x3c4
[<c03b15bc>] mld_sendpack+0x190/0x368
[<c03b3204>] mld_ifc_timer_expire+0xc/0x58
[<c005133c>] call_timer_fn+0x6c/0xe0
[<c0051588>] run_timer_softirq+0x1d8/0x210
[<c004c004>] __do_softirq+0xe0/0x1b4
[<c004c448>] irq_exit+0x64/0x6c
[<c000f1e0>] handle_IRQ+0x34/0x84
[<c000e0d0>] __irq_usr+0x30/0x80
irq event stamp: 160603
hardirqs last enabled at (160603): [<c00c736c>] kfree+0xa8/0xe8
hardirqs last disabled at (160602): [<c00c72e0>] kfree+0x1c/0xe8
softirqs last enabled at (160304): [<c028260c>] mib_counters_update+0x5ec/0x60c
softirqs last disabled at (160302): [<c03eab8c>] _raw_spin_lock_bh+0x14/0x54
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(_xmit_ETHER#2);
<Interrupt>
lock(_xmit_ETHER#2);
*** DEADLOCK ***
1 lock held by NetworkManager/3449:
#0: (rtnl_mutex){+.+.+.}, at: [<c032e664>] rtnetlink_rcv+0xc/0x24
stack backtrace:
[<c0013e34>] (unwind_backtrace+0x0/0xf8) from [<c007e12c>] (print_usage_bug+0x150/0x1d4)
[<c007e12c>] (print_usage_bug+0x150/0x1d4) from [<c007e3f8>] (mark_lock_irq+0x248/0x290)
[<c007e3f8>] (mark_lock_irq+0x248/0x290) from [<c007e598>] (mark_lock+0x158/0x404)
[<c007e598>] (mark_lock+0x158/0x404) from [<c007e97c>] (mark_irqflags+0x138/0x1c4)
[<c007e97c>] (mark_irqflags+0x138/0x1c4) from [<c007ee60>] (__lock_acquire+0x458/0x9a4)
[<c007ee60>] (__lock_acquire+0x458/0x9a4) from [<c007f8b0>] (lock_acquire+0x60/0x74)
[<c007f8b0>] (lock_acquire+0x60/0x74) from [<c03ea914>] (_raw_spin_lock+0x40/0x50)
[<c03ea914>] (_raw_spin_lock+0x40/0x50) from [<c02828e4>] (txq_reclaim+0x60/0x230)
[<c02828e4>] (txq_reclaim+0x60/0x230) from [<c0282ad8>] (txq_deinit+0x24/0xcc)
[<c0282ad8>] (txq_deinit+0x24/0xcc) from [<c0282d28>] (mv643xx_eth_stop+0x1a8/0x1bc)
[<c0282d28>] (mv643xx_eth_stop+0x1a8/0x1bc) from [<c031e314>] (__dev_close_many+0x88/0xcc)
[<c031e314>] (__dev_close_many+0x88/0xcc) from [<c031e380>] (__dev_close+0x28/0x3c)
[<c031e380>] (__dev_close+0x28/0x3c) from [<c0320fa0>] (__dev_change_flags+0x7c/0x134)
[<c0320fa0>] (__dev_change_flags+0x7c/0x134) from [<c03210e0>] (dev_change_flags+0x10/0x48)
[<c03210e0>] (dev_change_flags+0x10/0x48) from [<c032da1c>] (do_setlink+0x1a0/0x730)
[<c032da1c>] (do_setlink+0x1a0/0x730) from [<c032f524>] (rtnl_newlink+0x304/0x4b0)
[<c032f524>] (rtnl_newlink+0x304/0x4b0) from [<c032ef8c>] (rtnetlink_rcv_msg+0x25c/0x2a0)
[<c032ef8c>] (rtnetlink_rcv_msg+0x25c/0x2a0) from [<c03383a0>] (netlink_rcv_skb+0xbc/0xd8)
[<c03383a0>] (netlink_rcv_skb+0xbc/0xd8) from [<c032e674>] (rtnetlink_rcv+0x1c/0x24)
[<c032e674>] (rtnetlink_rcv+0x1c/0x24) from [<c03361d8>] (netlink_unicast_kernel+0x88/0xd4)
[<c03361d8>] (netlink_unicast_kernel+0x88/0xd4) from [<c0337dd0>] (netlink_unicast+0x138/0x180)
[<c0337dd0>] (netlink_unicast+0x138/0x180) from [<c0338020>] (netlink_sendmsg+0x208/0x32c)
[<c0338020>] (netlink_sendmsg+0x208/0x32c) from [<c030ab48>] (sock_sendmsg+0x84/0xa4)
[<c030ab48>] (sock_sendmsg+0x84/0xa4) from [<c030aef4>] (__sys_sendmsg+0x2ac/0x2c4)
[<c030aef4>] (__sys_sendmsg+0x2ac/0x2c4) from [<c030c8ec>] (sys_sendmsg+0x3c/0x68)
[<c030c8ec>] (sys_sendmsg+0x3c/0x68) from [<c000e2e0>] (ret_fast_syscall+0x0/0x3c)
It seems that txq_reclaim() takes the netif tx lock:
__netif_tx_lock(nq, smp_processor_id());
in a context outside of softirq context, and thus is susceptible to
deadlock should an interrupt occur.
Use __netif_tx_lock_bh()/__netif_tx_unlock_bh() instead.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
GSO TCP handler has following issues :
1) ooo_okay from original GSO packet is duplicated to all segments
2) segments (but the last one) are orphaned, so transmit path can not
get transmit queue number from the socket. This happens if GSO
segmentation is done before stacked device for example.
Result is we can send packets from a given TCP flow to different TX
queues (if using multiqueue NICS). This generates OOO problems and
spurious SACK & retransmits.
Fix this by keeping socket pointer set for all segments.
This means that every segment must also have a destructor, and the
original gso skb truesize must be split on all segments, to keep
precise sk->sk_wmem_alloc accounting.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Maciej Żenczykowski <maze@google.com>
Cc: Tom Herbert <therbert@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
The following patchset contains three Netfilter fixes and update
for the MAINTAINER file for your net tree, they are:
* Fix crash if nf_log_packet is called from conntrack, in that case
both interfaces are NULL, from Hans Schillstrom. This bug introduced
with the logging netns support in the previous merge window.
* Fix compilation of nf_log and nf_queue without CONFIG_PROC_FS,
from myself. This bug was introduced in the previous merge window
with the new netns support for the netfilter logging infrastructure.
* Fix possible crash in xt_TCPOPTSTRIP due to missing sanity
checkings to validate that the TCP header is well-formed, from
myself. I can find this bug in 2.6.25, probably it's been there
since the beginning. I'll pass this to -stable.
* Update MAINTAINER file to point to new nf trees at git.kernel.org,
remove Harald and use M: instead of P: (now obsolete tag) to
keep Jozsef in the list of people.
Please, consider pulling this. Thanks!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Move the counter for non-AMPDU frames to mvm. It is needed
for the drain flow which happens once the ieee80211_sta has
been freed, so keeping it in iwl_mvm_sta which is embed into
ieee80211_sta is not a good idea.
Also, since its purpose it to remove the STA in the fw only
after all the frames for this station have exited the shared
Tx queues, we need to decrement it in the reclaim flow. This
flow can happen after ieee80211_sta has been removed, which
means that we have no iwl_mvm_sta there. So we can't know
what is the vif type. Hence, we know audit these frames for
all the vif types.
In order to avoid spawning sta_drained_wk all the time, we
now check that we are in a flow in which draining might
happen - only when mvmsta is NULL. This is better than
previous code that would spawn sta_drained_wk all the time
in AP mode.
Cc: stable@vger.kernel.org [3.9]
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
