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5863702a34
linux/net
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Eric Dumazet 5863702a34 netfilter: nfnetlink_queue: assert monotonic packet ids 
Packet identifier is currently setup in nfqnl_build_packet_message(),
using one atomic_inc_return().

Problem is that since several cpus might concurrently call
nfqnl_enqueue_packet() for the same queue, we can deliver packets to
consumer in non monotonic way (packet N+1 being delivered after packet
N)

This patch moves the packet id setup from nfqnl_build_packet_message()
to nfqnl_enqueue_packet() to guarantee correct delivery order.

This also removes one atomic operation.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Florian Westphal <fw@strlen.de>
CC: Pablo Neira Ayuso <pablo@netfilter.org>
CC: Eric Leblond <eric@regit.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
2011-07-19 11:44:17 +02:00
..
9p Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2011-05-26 12:13:57 -07:00
802 snap: remove one synchronize_net() 2011-05-23 16:29:24 -04:00
8021q Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-06-04 13:38:31 -07:00
appletalk appletalk: Fix OOPS in atalk_release(). 2011-03-31 18:59:10 -07:00
atm net: remove interrupt.h inclusion from netdevice.h 2011-06-06 22:55:11 -07:00
ax25 ax25: Fix set-but-unused variable. 2011-04-17 00:48:31 -07:00
batman-adv Merge branch 'batman-adv/next' of git://git.open-mesh.org/ecsv/linux-merge 2011-06-09 14:56:13 -07:00
bluetooth net: Remove unnecessary semicolons 2011-06-05 14:33:39 -07:00
bridge rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
caif net: remove interrupt.h inclusion from netdevice.h 2011-06-06 22:55:11 -07:00
can net: remove interrupt.h inclusion from netdevice.h 2011-06-06 22:55:11 -07:00
ceph libceph: subscribe to osdmap when cluster is full 2011-05-24 11:52:11 -07:00
core net: export time stamp utility function for Ethernet MAC drivers 2011-06-13 17:26:12 -04:00
dcb rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
dccp ipv4: Make caller provide flowi4 key to inet_csk_route_req(). 2011-05-18 18:32:03 -04:00
decnet rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
dns_resolver KEYS: Improve /proc/keys 2011-03-17 11:59:32 +11:00
dsa Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-05-05 14:59:02 -07:00
econet econet: Fix set-but-unused variable. 2011-04-17 00:15:22 -07:00
ethernet eth: fix new kernel-doc warning 2011-01-12 19:00:40 -08:00
ieee802154 ieee802154: Remove hacked CFLAGS in net/ieee802154/Makefile 2011-04-12 15:33:23 -07:00
ipv4 snmp: reduce percpu needs by 50% 2011-06-11 16:23:59 -07:00
ipv6 rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
ipx ipx: fix ipx_release() 2011-03-21 18:16:39 -07:00
irda irda: Fix error propagation in ircomm_lmp_connect_response() 2011-05-19 18:58:39 -04:00
iucv [S390] irq: merge irq.c and s390_ext.c 2011-05-26 09:48:24 +02:00
key net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
l2tp l2tp: fix l2tp_ip_sendmsg() route handling 2011-06-13 17:31:30 -04:00
lapb Net: lapb: Makefile: Remove deprecated kbuild goal definitions 2010-11-22 08:16:14 -08:00
llc llc: Fix length check in llc_fixup_skb(). 2011-04-11 18:59:05 -07:00
mac80211 mac80211: Stop BA session event from device 2011-06-07 14:41:36 -04:00
netfilter netfilter: nfnetlink_queue: assert monotonic packet ids 2011-07-19 11:44:17 +02:00
netlabel Remove prefetch() from <linux/skbuff.h> and "netlabel_addrlist.h" 2011-05-22 21:43:41 -07:00
netlink rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
netrom NET: AX.25, NETROM, ROSE: Remove SOCK_DEBUG calls 2011-04-14 00:20:07 -07:00
packet virtio_net: introduce VIRTIO_NET_HDR_F_DATA_VALID 2011-06-11 15:57:47 -07:00
phonet rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
rds net: remove interrupt.h inclusion from netdevice.h 2011-06-06 22:55:11 -07:00
rfkill net: rfkill: add generic gpio rfkill driver 2011-05-19 13:53:54 -04:00
rose NET: AX.25, NETROM, ROSE: Remove SOCK_DEBUG calls 2011-04-14 00:20:07 -07:00
rxrpc rxrpc: Fix set but unused variable 'usage' in rxrpc_get_transport() 2011-05-19 18:51:50 -04:00
sched rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
sctp sctp: kzalloc() error handling on deleting last address 2011-06-11 15:53:45 -07:00
sunrpc net: remove interrupt.h inclusion from netdevice.h 2011-06-06 22:55:11 -07:00
tipc tipc: Revise timings used when sending link request messages 2011-05-10 16:04:02 -04:00
unix net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
wanrouter Fix common misspellings 2011-03-31 11:26:23 -03:00
wimax
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 2011-06-07 14:07:11 -04:00
x25 Fix common misspellings 2011-03-31 11:26:23 -03:00
xfrm rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
compat.c net: Add sendmmsg socket system call 2011-05-05 11:10:14 -07:00
Kconfig bpf: depends on MODULES 2011-04-29 10:20:53 -07:00
Makefile net: Enter net/ipv6/ even if CONFIG_IPV6=n 2011-03-07 12:50:52 -08:00
nonet.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2011-05-20 13:43:21 -07:00
sysctl_net.c
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