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linux/net/ipv4
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Yuchung Cheng 775e68a93f tcp: use TS opt on RTTs for congestion control 
Currently when a data packet is retransmitted, we do not compute an
RTT sample for congestion control due to Kern's check. Therefore the
congestion control that uses RTT signals may not receive any update
during loss recovery which could last many round trips. For example,
BBR and Vegas may not be able to update its min RTT estimation if the
network path has shortened until it recovers from losses. This patch
mitigates that by using TCP timestamp options for RTT measurement
for congestion control. Note that we already use timestamps for
RTT estimation.

Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-02 14:19:23 -04:00
..
netfilter sk_buff: remove support for csum_bad in sk_buff 2017-05-19 19:21:29 -04:00
af_inet.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-05-02 16:40:27 -07:00
ah4.c
arp.c arp: fixed -Wuninitialized compiler warning 2017-05-25 13:38:20 -04:00
cipso_ipv4.c
datagram.c
devinet.c net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
esp4.c esp4: Fix udpencap for local TCP packets. 2017-05-04 07:27:26 +02:00
esp4_offload.c esp4/6: Fix GSO path for non-GSO SW-crypto packets 2017-04-19 07:48:57 +02:00
fib_frontend.c net: lwtunnel: Add extack to encap attr validation 2017-05-30 11:55:31 -04:00
fib_lookup.h net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
fib_notifier.c ipv4: fib: Remove redundant argument 2017-03-10 09:45:09 -08:00
fib_rules.c ipv4: fib_rules: Dump FIB rules when registering FIB notifier 2017-03-16 10:18:34 -07:00
fib_semantics.c net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
fib_trie.c net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
fou.c fou: make local function static 2017-05-21 13:42:36 -04:00
gre_demux.c
gre_offload.c
icmp.c net: ipv4: refactor __ip_route_output_key_hash 2017-05-26 14:12:49 -04:00
igmp.c
inet_connection_sock.c inet: fix warning about missing prototype 2017-05-21 13:42:36 -04:00
inet_diag.c
inet_fragment.c
inet_hashtables.c treewide: use kv[mz]alloc* rather than opencoded variants 2017-05-08 17:15:13 -07:00
inet_timewait_sock.c
inetpeer.c
ip_forward.c
ip_fragment.c inet: frag: release spinlock before calling icmp_send() 2017-03-22 15:40:45 -07:00
ip_gre.c ip_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:31 -04:00
ip_input.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
ip_options.c
ip_output.c udp: avoid ufo handling on IP payload compression packets 2017-03-09 18:28:42 -08:00
ip_sockglue.c ipv4: get rid of ip_ra_lock 2017-04-30 22:44:04 -04:00
ip_tunnel.c ip_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:31 -04:00
ip_tunnel_core.c net: add extack arg to lwtunnel build state 2017-05-30 11:55:32 -04:00
ip_vti.c vti: check nla_put_* return value 2017-05-08 15:10:31 -04:00
ipcomp.c
ipconfig.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-06 08:24:51 -07:00
ipip.c ip_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:31 -04:00
ipmr.c ipmr: vrf: Find VIFs using the actual device 2017-05-16 12:52:17 -04:00
Kconfig
Makefile ipv4: fib: Move FIB notification code to a separate file 2017-03-10 09:45:09 -08:00
netfilter.c
ping.c ping: implement proper locking 2017-03-24 20:50:28 -07:00
proc.c net/tcp_fastopen: Add snmp counter for blackhole detection 2017-04-24 14:27:17 -04:00
protocol.c net: Add sysctl to toggle early demux for tcp and udp 2017-03-24 13:17:07 -07:00
raw.c ipv4, ipv6: ensure raw socket message is big enough to hold an IP header 2017-05-04 11:02:46 -04:00
raw_diag.c
route.c ipv4: route: restore skb_dst_set in inet_rtm_getroute 2017-06-01 11:30:41 -04:00
syncookies.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
sysctl_net_ipv4.c net/tcp_fastopen: Disable active side TFO in certain scenarios 2017-04-24 14:27:17 -04:00
tcp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-26 20:46:35 -04:00
tcp_bbr.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_bic.c tcp: bic, cubic: use tcp_jiffies32 instead of tcp_time_stamp 2017-05-17 16:06:01 -04:00
tcp_cdg.c
tcp_cong.c tcp: memset ca_priv data to 0 properly 2017-04-26 14:58:32 -04:00
tcp_cubic.c tcp: bic, cubic: use tcp_jiffies32 instead of tcp_time_stamp 2017-05-17 16:06:01 -04:00
tcp_dctcp.c
tcp_diag.c
tcp_fastopen.c net/tcp_fastopen: Add snmp counter for blackhole detection 2017-04-24 14:27:17 -04:00
tcp_highspeed.c
tcp_htcp.c tcp: replace misc tcp_time_stamp to tcp_jiffies32 2017-05-17 16:06:01 -04:00
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: use TS opt on RTTs for congestion control 2017-06-02 14:19:23 -04:00
tcp_ipv4.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_lp.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_metrics.c tcp: use tcp_jiffies32 to feed tp->snd_cwnd_stamp 2017-05-17 16:06:01 -04:00
tcp_minisocks.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_nv.c tcpnv: do not export local function 2017-05-21 13:42:36 -04:00
tcp_offload.c
tcp_output.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_probe.c
tcp_rate.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_recovery.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
tcp_scalable.c
tcp_timer.c tcp: fix TCP_SYNCNT flakes 2017-05-24 16:29:57 -04:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c tcp_westwood: use tcp_jiffies32 instead of tcp_time_stamp 2017-05-17 16:06:01 -04:00
tcp_yeah.c
tunnel4.c
udp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-05-18 16:11:32 -04:00
udp_diag.c
udp_impl.h udp: make *udp*_queue_rcv_skb() functions static 2017-05-18 10:23:33 -04:00
udp_offload.c udp: disable inner UDP checksum offloads in IPsec case 2017-04-24 13:48:54 -04:00
udp_tunnel.c
udplite.c
xfrm4_input.c
xfrm4_mode_beet.c
xfrm4_mode_transport.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_mode_tunnel.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm4_policy.c
xfrm4_protocol.c
xfrm4_state.c
xfrm4_tunnel.c