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e69bebde46
linux/net/ipv4
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Neal Cardwell e69bebde46 tcp: TCP Fast Open Server - call tcp_validate_incoming() for all packets 
A TCP Fast Open (TFO) passive connection must call both
tcp_check_req() and tcp_validate_incoming() for all incoming ACKs that
are attempting to complete the 3WHS.

This is needed to parallel all the action that happens for a non-TFO
connection, where for an ACK that is attempting to complete the 3WHS
we call both tcp_check_req() and tcp_validate_incoming().

For example, upon receiving the ACK that completes the 3WHS, we need
to call tcp_fast_parse_options() and update ts_recent based on the
incoming timestamp value in the ACK.

One symptom of the problem with the previous code was that for passive
TFO connections using TCP timestamps, the outgoing TS ecr values
ignored the incoming TS val value on the ACK that completed the 3WHS.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-22 15:47:10 -04:00
..
netfilter netlink: hide struct module parameter in netlink_kernel_create 2012-09-08 18:46:30 -04:00
af_inet.c ipv4: Don't add TCP-code in inet_sock_destruct 2012-09-20 17:12:27 -04:00
ah4.c
arp.c ipv4/route: arg delay is useless in rt_cache_flush() 2012-09-07 14:44:08 -04:00
cipso_ipv4.c
datagram.c
devinet.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
esp4.c
fib_frontend.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
fib_lookup.h
fib_rules.c ipv4/route: arg delay is useless in rt_cache_flush() 2012-09-07 14:44:08 -04:00
fib_semantics.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
fib_trie.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
gre.c
icmp.c
igmp.c igmp: avoid drop_monitor false positives 2012-09-07 14:17:10 -04:00
inet_connection_sock.c tcp: fix TFO regression 2012-09-06 14:21:10 -04:00
inet_diag.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
inet_fragment.c ipv6: unify fragment thresh handling code 2012-09-19 17:23:28 -04:00
inet_hashtables.c
inet_lro.c
inet_timewait_sock.c
inetpeer.c
ip_forward.c
ip_fragment.c ipv6: unify fragment thresh handling code 2012-09-19 17:23:28 -04:00
ip_gre.c gre: add GSO support 2012-09-19 15:40:15 -04:00
ip_input.c
ip_options.c
ip_output.c ipv4: fix path MTU discovery with connection tracking 2012-08-26 19:13:55 +02:00
ip_sockglue.c
ip_vti.c
ipcomp.c
ipconfig.c ipconfig: add nameserver IPs to kernel-parameter ip= 2012-09-21 14:51:21 -04:00
ipip.c
ipmr.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
Kconfig
Makefile
netfilter.c netfilter: properly annotate ipv4_netfilter_{init,fini}() 2012-09-03 13:56:04 +02:00
ping.c
proc.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
protocol.c
raw.c
route.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
syncookies.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
sysctl_net_ipv4.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
tcp_bic.c
tcp_cong.c
tcp_cubic.c
tcp_diag.c
tcp_fastopen.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: TCP Fast Open Server - call tcp_validate_incoming() for all packets 2012-09-22 15:47:10 -04:00
tcp_ipv4.c tcp: TCP Fast Open Server - take SYNACK RTT after completing 3WHS 2012-09-22 15:47:10 -04:00
tcp_lp.c
tcp_memcontrol.c
tcp_metrics.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
tcp_minisocks.c tcp: TCP Fast Open Server - note timestamps and retransmits for SYNACK RTT 2012-09-22 15:47:10 -04:00
tcp_output.c tcp: use PRR to reduce cwin in CWR state 2012-09-03 14:34:02 -04:00
tcp_probe.c
tcp_scalable.c
tcp_timer.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c ipv4: Don't add TCP-code in inet_sock_destruct 2012-09-20 17:12:27 -04:00
tunnel4.c
udp_diag.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
udp_impl.h
udp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-09-15 11:43:53 -04:00
udplite.c
xfrm4_input.c
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c
xfrm4_output.c
xfrm4_policy.c
xfrm4_state.c
xfrm4_tunnel.c