redonkable/remarkable-linux
redonkable/remarkable-linux
1
0
Fork 0
Code Releases Activity
remarkable-linux/net/ipv4
History
Neal Cardwell 016818d076 tcp: TCP Fast Open Server - take SYNACK RTT after completing 3WHS 
When taking SYNACK RTT samples for servers using TCP Fast Open, fix
the code to ensure that we only call tcp_valid_rtt_meas() after we
receive the ACK that completes the 3-way handshake.

Previously we were always taking an RTT sample in
tcp_v4_syn_recv_sock(). However, for TCP Fast Open connections
tcp_v4_conn_req_fastopen() calls tcp_v4_syn_recv_sock() at the time we
receive the SYN. So for TFO we must wait until tcp_rcv_state_process()
to take the RTT sample.

To fix this, we wait until after TFO calls tcp_v4_syn_recv_sock()
before we set the snt_synack timestamp, since tcp_synack_rtt_meas()
already ensures that we only take a SYNACK RTT sample if snt_synack is
non-zero. To be careful, we only take a snt_synack timestamp when
a SYNACK transmit or retransmit succeeds.

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 ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
arp.c ipv4/route: arg delay is useless in rt_cache_flush() 2012-09-07 14:44:08 -04:00
cipso_ipv4.c cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
datagram.c
devinet.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
esp4.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
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 ipv4: Prepare for change of rt->rt_iif encoding. 2012-07-23 16:36:26 -07:00
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 ipv4: Maintain redirect and PMTU info in struct rtable again. 2012-07-10 22:40:14 -07:00
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 net: TCP early demux cleanup 2012-07-30 14:53:21 -07:00
ip_options.c ipv4: optimize fib_compute_spec_dst call in ip_options_echo 2012-07-19 08:30:49 -07:00
ip_output.c ipv4: fix path MTU discovery with connection tracking 2012-08-26 19:13:55 +02:00
ip_sockglue.c ipv4: Prepare for change of rt->rt_iif encoding. 2012-07-23 16:36:26 -07:00
ip_vti.c net/ipv4/ip_vti.c: Fix __rcu warnings detected by sparse. 2012-07-23 13:00:54 -07:00
ipcomp.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
ipconfig.c ipconfig: add nameserver IPs to kernel-parameter ip= 2012-09-21 14:51:21 -04:00
ipip.c ipv4: Adjust semantics of rt->rt_gateway. 2012-07-20 13:31:20 -07:00
ipmr.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
Kconfig net/ipv4: VTI support new module for ip_vti. 2012-07-18 09:36:12 -07:00
Makefile memcg: rename config variables 2012-07-31 18:42:43 -07:00
netfilter.c netfilter: properly annotate ipv4_netfilter_{init,fini}() 2012-09-03 13:56:04 +02:00
ping.c userns: Use kgids for sysctl_ping_group_range 2012-08-14 21:49:10 -07:00
proc.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
protocol.c
raw.c userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
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.c ipv4: Don't add TCP-code in inet_sock_destruct 2012-09-20 17:12:27 -04:00
tcp_bic.c
tcp_cong.c tcp: Apply device TSO segment limit earlier 2012-08-02 00:19:17 -07:00
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 - take SYNACK RTT after completing 3WHS 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: Document use of undefined variable. 2012-09-20 17:29:36 -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
tunnel4.c
udp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-09-15 11:43:53 -04:00
udp_diag.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
udp_impl.h
udplite.c
xfrm4_input.c ipv4: Fix input route performance regression. 2012-07-26 15:50:39 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c net/ipv4: VTI support rx-path hook in xfrm4_mode_tunnel. 2012-07-18 09:36:12 -07:00
xfrm4_output.c
xfrm4_policy.c ipv4: Properly purge netdev references on uncached routes. 2012-07-31 15:06:50 -07:00
xfrm4_state.c
xfrm4_tunnel.c