Ali Saidi 53240c2087 tcp: Fix possible double-ack w/ user dma ...

From: Ali Saidi <saidi@engin.umich.edu>

When TCP receive copy offload is enabled it's possible that
tcp_rcv_established() will cause two acks to be sent for a single
packet. In the case that a tcp_dma_early_copy() is successful,
copied_early is set to true which causes tcp_cleanup_rbuf() to be
called early which can send an ack. Further along in
tcp_rcv_established(), __tcp_ack_snd_check() is called and will
schedule a delayed ACK. If no packets are processed before the delayed
ack timer expires the packet will be acked twice.

Signed-off-by: David S. Miller <davem@davemloft.net>

2008-10-07 15:31:19 -07:00

..

ipvs

ipvs: Explictly clear ip_vs_stats members

2008-08-11 14:00:55 +02:00

netfilter

nf_nat: use secure_ipv4_port_ephemeral() for NAT port randomization

2008-08-18 21:32:32 -07:00

af_inet.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

2008-07-26 20:23:44 -07:00

ah4.c

[IPSEC]: Fix bogus usage of u64 on input sequence number

2008-02-12 22:50:35 -08:00

arp.c

mib: add net to NET_INC_STATS_BH

2008-07-16 20:31:16 -07:00

cipso_ipv4.c

cipso: Relax too much careful cipso hash function.

2008-05-13 23:23:55 -07:00

datagram.c

mib: add net to IP_INC_STATS_BH

2008-07-16 20:20:11 -07:00

devinet.c

ipv: Re-enable IP when MTU > 68

2008-09-02 17:28:58 -07:00

esp4.c

ipsec: Interfamily IPSec BEET

2008-08-06 02:39:30 -07:00

fib_frontend.c

netns: add namespace parameter to rt_cache_flush

2008-07-05 19:00:44 -07:00

fib_hash.c

netns: add namespace parameter to rt_cache_flush

2008-07-05 19:00:44 -07:00

fib_lookup.h

[IPV4] FIB_HASH: Reduce memory needs and speedup lookups

2008-01-28 15:02:46 -08:00

fib_rules.c

net: add fib_rules_ops to flush_cache method

2008-07-05 19:01:28 -07:00

fib_semantics.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2008-06-13 20:52:39 -07:00

fib_trie.c

proc: consolidate per-net single-release callers

2008-07-18 04:07:44 -07:00

icmp.c

icmp: icmp_sk() should not use smp_processor_id() in preemptible code

2008-08-23 04:43:33 -07:00

igmp.c

netns: Fix crash by making igmp per namespace

2008-08-13 16:15:57 -07:00

inet_connection_sock.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

inet_diag.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

inet_fragment.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

inet_hashtables.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

inet_lro.c

net/inet_lro: remove setting skb->ip_summed when not LRO-able

2008-06-27 20:09:00 -07:00

inet_timewait_sock.c

netns : fix kernel panic in timewait socket destruction

2008-09-08 13:17:27 -07:00

inetpeer.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

ip_forward.c

mib: add net to IP_INC_STATS_BH

2008-07-16 20:20:11 -07:00

ip_fragment.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

ip_gre.c

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

2008-05-25 23:26:10 -07:00

ip_input.c

mib: put ip statistics on struct net

2008-07-18 04:02:42 -07:00

ip_options.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

ip_output.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

ip_sockglue.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

ipcomp.c

ipcomp: Fix warnings after ipcomp consolidation.

2008-07-27 03:59:24 -07:00

ipconfig.c

netns: Use net_eq() to compare net-namespaces for optimization.

2008-07-19 22:34:43 -07:00

ipip.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

ipmr.c

netns: Use net_eq() to compare net-namespaces for optimization.

2008-07-19 22:34:43 -07:00

Kconfig

ipsec: ipcomp - Merge IPComp implementations

2008-07-25 02:54:40 -07:00

Makefile

[UDP]: Revert udplite and code split.

2008-03-06 16:22:02 -08:00

netfilter.c

[NETFILTER]: Add partial checksum validation helper

2008-04-14 11:15:49 +02:00

proc.c

tcp: MD5: Use MIB counter instead of warning for MD5 mismatch.

2008-07-30 03:27:25 -07:00

protocol.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

raw.c

mib: add net to IP_INC_STATS

2008-07-16 20:19:49 -07:00

route.c

ipv4: mode 0555 in ipv4_skeleton

2008-08-27 02:35:18 -07:00

syncookies.c

syncookies: Make sure ECN is disabled

2008-07-26 02:21:54 -07:00

sysctl_net_ipv4.c

net: Add missing extra2 parameter for ip_default_ttl sysctl

2008-08-03 14:06:44 -07:00

tcp_bic.c

[TCP]: BIC web page link is corrected.

2008-02-28 22:14:32 -08:00

tcp_cong.c

tcp: Limit cwnd growth when deferring for GSO

2008-04-29 03:13:52 -07:00

tcp_cubic.c

rename div64_64 to div64_u64

2008-05-01 08:03:58 -07:00

tcp_diag.c

net: remove CVS keywords

2008-06-11 21:00:38 -07:00

tcp_highspeed.c

[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

2008-01-28 14:55:41 -08:00

tcp_htcp.c

[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

2008-01-28 14:55:41 -08:00

tcp_hybla.c

net: fix returning void-valued expression warnings

2008-05-01 02:47:38 -07:00

tcp_illinois.c

[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

2008-01-28 14:55:41 -08:00

tcp_input.c

tcp: Fix possible double-ack w/ user dma

2008-10-07 15:31:19 -07:00

tcp_ipv4.c

tcp: Fix NULL dereference in tcp_4_send_ack()

2008-10-01 01:51:39 -07:00

tcp_lp.c

[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

2008-01-28 14:55:41 -08:00

tcp_minisocks.c

tcp: (whitespace only) fix confusing indentation

2008-08-07 20:27:45 -07:00

tcp_output.c

tcp: fix tcp header size miscalculation when window scale is unused

2008-08-27 02:33:50 -07:00

tcp_probe.c

tcp: correct kcalloc usage

2008-07-10 16:51:32 -07:00

tcp_scalable.c

[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

2008-01-28 14:55:41 -08:00

tcp_timer.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

tcp_vegas.c

net: fix returning void-valued expression warnings

2008-05-01 02:47:38 -07:00

tcp_vegas.h

[TCP]: congestion control API pass RTT in microseconds

2007-07-31 02:27:57 -07:00

tcp_veno.c

net: fix returning void-valued expression warnings

2008-05-01 02:47:38 -07:00

tcp_westwood.c

[TCP]: congestion control API pass RTT in microseconds

2007-07-31 02:27:57 -07:00

tcp_yeah.c

[TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid

2008-01-28 14:55:41 -08:00

tcp.c

net: convert BUG_TRAP to generic WARN_ON

2008-07-25 21:43:18 -07:00

tunnel4.c

[IPV4] TUNNEL4: Fix incoming packet length check for inter-protocol tunnel.

2008-06-05 04:02:33 +09:00

udp_impl.h

net: change proto destroy method to return void

2008-06-14 17:04:49 -07:00

udp.c

udp: Fix rcv socket locking

2008-09-15 11:48:46 -07:00

udplite.c

mib: put udplite statistics on struct net

2008-07-18 04:03:45 -07:00

xfrm4_input.c

[IPSEC]: Fix transport-mode async resume on intput without netfilter

2008-01-28 15:00:10 -08:00

xfrm4_mode_beet.c

ipsec: Interfamily IPSec BEET

2008-08-06 02:39:30 -07:00

xfrm4_mode_transport.c

[IPSEC]: Use IPv6 calling convention as the convention for x->mode->output

2007-10-10 16:55:54 -07:00

xfrm4_mode_tunnel.c

xfrm: fix fragmentation for ipv4 xfrm tunnel

2008-06-17 16:38:23 -07:00

xfrm4_output.c

[IPSEC]: Fix inter address family IPsec tunnel handling.

2008-03-24 14:51:51 -07:00

xfrm4_policy.c

[NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS.

2008-03-26 04:39:53 +09:00

xfrm4_state.c

[IPSEC]: Fix BEET output

2008-03-26 16:51:09 -07:00

xfrm4_tunnel.c

[IPCOMP]: Fix reception of incompressible packets

2008-01-31 19:27:24 -08:00