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This patch adds an additional check in the Davinci EMAC RX Handler,
which tests the __LINK_STATE_NOCARRIER flag along with the
__LINK_STATE_START flag as part EMAC shutting down procedure.
This avoids
WARNING: at drivers/net/davinci_emac.c:1040 emac_rx_handler+0xf8/0x120()
during rtcwake used to suspend the target for a specified duration.
Signed-off-by: Hegde, Vinay <vinay.hegde@ti.com>
Acked-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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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>
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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>
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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>
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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>
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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>
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Fix FW initialization according to max BW stored in percents
for NPAR mode. Protect HW from being configured to speed 0.
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>
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Currently nla_policy_len always returns n * NLA_HDRLEN:
It loops, but does not advance it's iterator.
NLA_UNSPEC == 0 does not contain a .len in any policy.
Trivially fixed by adding p++.
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is similar to what we already do in cdc-phonet.c in the same
situation. pskb_pull() refuses to work with HIGHMEM, even if it is
known that the socket buffer is entirely in "low" memory.
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The platform_device_id table is supposed to be zero-terminated.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clean up entries in 00-INDEX: drop files that have been removed.
Reported-by: Rob Landley <rlandley@parallels.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Rob Landley <rlandley@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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platform_set_drvdata() was used with argument of incorrect type and
could cause memory corruption. Moreover, because of not setting drvdata
in the correct place not all resources were freed upon module unload.
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 71d6429 (Driver core: convert platform_{get,set}_drvdata to
static inline functions) now triggers a warning in the macb network
driver:
CC drivers/net/macb.o
drivers/net/macb.c: In function ‘macb_mii_init’:
drivers/net/macb.c:263: warning: passing argument 1 of ‘platform_set_drvdata’ from incompatible pointer type
include/linux/platform_device.h:138: note: expected ‘struct platform_device *’ but argument is of type ‘struct net_device *’
Use dev_set_drvdata() on the device embedded in the net_device instead.
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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netlink_dump() may failed, but nobody handle its error.
It generates output data, when a previous portion has been returned to
user space. This mechanism works when all data isn't go in skb. If we
enter in netlink_recvmsg() and skb is absent in the recv queue, the
netlink_dump() will not been executed. So if netlink_dump() is failed
one time, the new data never appear and the reader will sleep forever.
netlink_dump() is called from two places:
1. from netlink_sendmsg->...->netlink_dump_start().
In this place we can report error directly and it will be returned
by sendmsg().
2. from netlink_recvmsg
There we can't report error directly, because we have a portion of
valid output data and call netlink_dump() for prepare the next portion.
If netlink_dump() is failed, the socket will be mark as error and the
next recvmsg will be failed.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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I just found that the controller hardware name is not set for the Softing
driver. After this patch, "$ ip -d link show" looks nicer.
Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The below patch changes a typo "pice" to "piece"
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fmvj18x_cs:add new id
Toshiba lan&modem multifuction card (model name:IPC5010A)
Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Today was as good as any other day, but I felt I had to do things I love
to when paying hommage to somebody I love, so please apply this one,
something he would be proud of, even if so geekly.
Way past it was/is deserved.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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addr_type of 0 means that the type should be adopted from from_dev and
not from __hw_addr_del_multiple(). Unfortunately it isn't so and
addr_type will always be considered. Fix this by implementing the
considered and documented behavior.
Signed-off-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before this patch issuing these commands:
fd = open("/proc/sys/net/ipv6/route/flush")
unshare(CLONE_NEWNET)
write(fd, "stuff")
would flush the newly created net, not the original one.
The equivalent ipv4 code is correct (stores the net inside ->extra1).
Acked-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The API for network devices has changed so that setting carrier off at
probe is no longer required. This should fix the IPv6 addrconf issue.
Addresses https://bugzilla.kernel.org/show_bug.cgi?id=29612
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reported-by: George Billios <gbillios@gmail.com>
Cc: David Miller <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/romieu/netdev-2.6
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The device is very similar to (0x0fe6, 0x8101),
And works well with dm9601 driver.
Signed-off-by: Shahar Havivi <shaharh@redhat.com>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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- fix the RTL8111DP turn off the power when DASH is enabled.
- RTL_GIGA_MAC_VER_27 must wait for tx finish before reset.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
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Adjust and remove certain settings of RTL8102E which are for previous chips.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-off-by: Francois Romieu <romieu@fr.zoreil.com>
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It results in the wrong point address and influences RTL8168DP.
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
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DM9000 revision B needs 1 ms delay after PHY power-on.
PHY must be powered on by writing 0 into register DM9000_GPR before
all other settings will change (see Davicom spec and example code).
Remember, that register DM9000_GPR was not changed by reset sequence.
Without this fix the FIFO is out of sync and sends wrong data after
sequence of "ifconfig ethX down ; ifconfig ethX up".
Signed-off-by: David S. Miller <davem@davemloft.net>
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The spin_lock should hold before reading register.
Signed-off-by: David S. Miller <davem@davemloft.net>
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netem_skb_cb() does :
return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data;
Unfortunatly struct qdisc_skb_cb data is not long word aligned, so
access to psched_time_t time_to_send uses a non aligned access.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.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-2.6
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drivers/net/sfc/ethtool.c: In function ‘efx_ethtool_self_test’:
drivers/net/sfc/ethtool.c:613: warning: the frame size of 1200 bytes
is larger than 1024 bytes
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the bridge multicast snooping feature periodically issues
IPv6 general multicast listener queries to sense the absence of a
listener.
For this, it uses :: as its source address - however RFC 2710 requires:
"To be valid, the Query message MUST come from a link-local IPv6 Source
Address". Current Linux kernel versions seem to follow this requirement
and ignore our bogus MLD queries.
With this commit a link local address from the bridge interface is being
used to issue the MLD query, resulting in other Linux devices which are
multicast listeners in the network to respond with a MLD response (which
was not the case before).
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Map the IPv6 header's destination multicast address to an ethernet
source address instead of the MLD queries multicast address.
For instance for a general MLD query (multicast address in the MLD query
set to ::), this would wrongly be mapped to 33:33:00:00:00:00, although
an MLD queries destination MAC should always be 33:33:00:00:00:01 which
matches the IPv6 header's multicast destination ff02::1.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the multicast bridge snooping support is not active for
link local multicast. I assume this has been done to leave
important multicast data untouched, like IPv6 Neighborhood Discovery.
In larger, bridged, local networks it could however be desirable to
optimize for instance local multicast audio/video streaming too.
With the transient flag in IPv6 multicast addresses we have an easy
way to optimize such multimedia traffic without tempering with the
high priority multicast data from well-known addresses.
This patch alters the multicast bridge snooping for IPv6, to take
effect for transient multicast addresses instead of non-link-local
addresses.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit adds the missing IPv6 multicast address flag defines to
complement the already existing multicast address scope defines and to
be able to check these flags nicely in the future.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The nsrcs number is 2 Byte wide, therefore we need to call ntohs()
before using it.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We actually want a pointer to the grec_nsrcr and not the following
field. Otherwise we can get very high values for *nsrcs as the first two
bytes of the IPv6 multicast address are being used instead, leading to
a failing pskb_may_pull() which results in MLDv2 reports not being
parsed.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The protocol type for IPv6 entries in the hash table for multicast
bridge snooping is falsely set to ETH_P_IP, marking it as an IPv4
address, instead of setting it to ETH_P_IPV6, which results in negative
look-ups in the hash table later.
Signed-off-by: Linus Lüssing <linus.luessing@web.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Documentation/DMA-API-HOWTO.txt states:
"DMA transfers need to be synced properly in order for
the cpu and device to see the most uptodate and correct
copy of the DMA buffer."
Cc: <stable@kernel.org>
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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I previously managed to reproduce a hang while scanning wireless
channels (reproducible with airodump-ng hopping channels); subsequent
lockdep instrumentation revealed a lock ordering issue.
Without knowing the design intent, it looks like the locks should be
taken in reverse order; please comment.
=======================================================
[ INFO: possible circular locking dependency detected ]
2.6.38-rc5-341cd #4
-------------------------------------------------------
airodump-ng/15445 is trying to acquire lock:
(&rdev->devlist_mtx){+.+.+.}, at: [<ffffffff816b1266>]
cfg80211_wext_siwfreq+0xc6/0x100
but task is already holding lock:
(&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>] cfg80211_wext_siwfreq+0xbc/0x100
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&wdev->mtx){+.+.+.}:
[<ffffffff810a79d6>] lock_acquire+0xc6/0x280
[<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0
[<ffffffff81696080>] cfg80211_netdev_notifier_call+0x430/0x5f0
[<ffffffff8109351b>] notifier_call_chain+0x8b/0x100
[<ffffffff810935b1>] raw_notifier_call_chain+0x11/0x20
[<ffffffff81576d92>] call_netdevice_notifiers+0x32/0x60
[<ffffffff815771a4>] __dev_notify_flags+0x34/0x80
[<ffffffff81577230>] dev_change_flags+0x40/0x70
[<ffffffff8158587c>] do_setlink+0x1fc/0x8d0
[<ffffffff81586042>] rtnl_setlink+0xf2/0x140
[<ffffffff81586923>] rtnetlink_rcv_msg+0x163/0x270
[<ffffffff8159d741>] netlink_rcv_skb+0xa1/0xd0
[<ffffffff815867b0>] rtnetlink_rcv+0x20/0x30
[<ffffffff8159d39a>] netlink_unicast+0x2ba/0x300
[<ffffffff8159dd57>] netlink_sendmsg+0x267/0x3e0
[<ffffffff8155e364>] sock_sendmsg+0xe4/0x110
[<ffffffff8155f3a3>] sys_sendmsg+0x253/0x3b0
[<ffffffff81003192>] system_call_fastpath+0x16/0x1b
-> #0 (&rdev->devlist_mtx){+.+.+.}:
[<ffffffff810a7222>] __lock_acquire+0x1622/0x1d10
[<ffffffff810a79d6>] lock_acquire+0xc6/0x280
[<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0
[<ffffffff816b1266>] cfg80211_wext_siwfreq+0xc6/0x100
[<ffffffff816b2fad>] ioctl_standard_call+0x5d/0xd0
[<ffffffff816b3223>] T.808+0x163/0x170
[<ffffffff816b326a>] wext_handle_ioctl+0x3a/0x90
[<ffffffff815798d2>] dev_ioctl+0x6f2/0x830
[<ffffffff8155cf3d>] sock_ioctl+0xfd/0x290
[<ffffffff8117dffd>] do_vfs_ioctl+0x9d/0x590
[<ffffffff8117e53a>] sys_ioctl+0x4a/0x80
[<ffffffff81003192>] system_call_fastpath+0x16/0x1b
other info that might help us debug this:
2 locks held by airodump-ng/15445:
#0: (rtnl_mutex){+.+.+.}, at: [<ffffffff81586782>] rtnl_lock+0x12/0x20
#1: (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>]
cfg80211_wext_siwfreq+0xbc/0x100
stack backtrace:
Pid: 15445, comm: airodump-ng Not tainted 2.6.38-rc5-341cd #4
Call Trace:
[<ffffffff810a3f0a>] ? print_circular_bug+0xfa/0x100
[<ffffffff810a7222>] ? __lock_acquire+0x1622/0x1d10
[<ffffffff810a1f99>] ? trace_hardirqs_off_caller+0x29/0xc0
[<ffffffff810a79d6>] ? lock_acquire+0xc6/0x280
[<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
[<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90
[<ffffffff816d6bce>] ? mutex_lock_nested+0x6e/0x4b0
[<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
[<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90
[<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
[<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
[<ffffffff816b2fad>] ? ioctl_standard_call+0x5d/0xd0
[<ffffffff8157818b>] ? __dev_get_by_name+0x9b/0xc0
[<ffffffff816b2f50>] ? ioctl_standard_call+0x0/0xd0
[<ffffffff816b3223>] ? T.808+0x163/0x170
[<ffffffff8112ddf2>] ? might_fault+0x72/0xd0
[<ffffffff816b326a>] ? wext_handle_ioctl+0x3a/0x90
[<ffffffff8112de3b>] ? might_fault+0xbb/0xd0
[<ffffffff815798d2>] ? dev_ioctl+0x6f2/0x830
[<ffffffff810a1bae>] ? put_lock_stats+0xe/0x40
[<ffffffff810a1c8c>] ? lock_release_holdtime+0xac/0x150
[<ffffffff8155cf3d>] ? sock_ioctl+0xfd/0x290
[<ffffffff8117dffd>] ? do_vfs_ioctl+0x9d/0x590
[<ffffffff8116c8ff>] ? fget_light+0x1df/0x3c0
[<ffffffff8117e53a>] ? sys_ioctl+0x4a/0x80
[<ffffffff81003192>] ? system_call_fastpath+0x16/0x1b
Signed-off-by: Daniel J Blueman <daniel.blueman@gmail.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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As reported and found by Johannes Stezenbach:
rt2800{pci,usb} do not report the Michael MIC in RXed frames, but do check
the Michael MIC in hardware. Therefore we have to report to mac80211 that the
received frame does not include the Michael MIC.
https://bugzilla.kernel.org/show_bug.cgi?id=16608
Signed-off-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fast channel change fixes:
a) Always set OFDM timings
b) Don't re-activate PHY
c) Enable only NF calibration, not AGC
https://bugzilla.kernel.org/show_bug.cgi?id=27382
Signed-off-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix a bug that undo_retrans is incorrectly decremented when undo_marker is
not set or undo_retrans is already 0. This happens when sender receives
more DSACK ACKs than packets retransmitted during the current
undo phase. This may also happen when sender receives DSACK after
the undo operation is completed or cancelled.
Fix another bug that undo_retrans is incorrectly incremented when
sender retransmits an skb and tcp_skb_pcount(skb) > 1 (TSO). This case
is rare but not impossible.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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From: Eric W. Biederman <ebiederm@xmission.com>
In the beginning with batching unreg_list was a list that was used only
once in the lifetime of a network device (I think). Now we have calls
using the unreg_list that can happen multiple times in the life of a
network device like dev_deactivate and dev_close that are also using the
unreg_list. In addition in unregister_netdevice_queue we also do a
list_move because for devices like veth pairs it is possible that
unregister_netdevice_queue will be called multiple times.
So I think the change below to fix dev_deactivate which Eric D. missed
will fix this problem. Now to go test that.
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit 5fa782c2f5ef6c2e4f04d3e228412c9b4a4c8809 re-worked the
handling of unknown parameters. sctp_init_cause_fixed() can now
return -ENOSPC if there is not enough tailroom in the error
chunk skb. When this happens, the error header is not appended to
the error chunk. In that case, the payload of the unknown parameter
should not be appended either.
Signed-off-by: Jiri Bohac <jbohac@suse.cz>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The dcb_app protocol field is a __u32 however the 802.1Qaz
specification defines it as a 16 bit field. This patch brings
the structure inline with the spec making it a __u16.
CC: Shmulik Ravid <shmulikr@broadcom.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric W. Biederman reported a lockdep splat in inet_twsk_deschedule()
This is caused by inet_twsk_purge(), run from process context,
and commit 575f4cd5a5b6394577 (net: Use rcu lookups in inet_twsk_purge.)
removed the BH disabling that was necessary.
Add the BH disabling but fine grained, right before calling
inet_twsk_deschedule(), instead of whole function.
With help from Linus Torvalds and Eric W. Biederman
Reported-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Daniel Lezcano <daniel.lezcano@free.fr>
CC: Pavel Emelyanov <xemul@openvz.org>
CC: Arnaldo Carvalho de Melo <acme@redhat.com>
CC: stable <stable@kernel.org> (# 2.6.33+)
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
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