AuxXxilium/linux_dsm_epyc7002
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9d691539ee
linux_dsm_epyc7002/net/ipv4
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Eric Dumazet 9d691539ee tcp: do not enqueue skb with SYN flag 
If we remove the SYN flag from the skbs that tcp_fastopen_add_skb()
places in socket receive queue, then we can remove the test that
tcp_recvmsg() has to perform in fast path.

All we have to do is to adjust SEQ in the slow path.

For the moment, we place an unlikely() and output a message
if we find an skb having SYN flag set.
Goal would be to get rid of the test completely.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-06 03:11:59 -05:00
..
netfilter inet: frag: Always orphan skbs inside ip_defrag() 2016-01-28 16:00:46 -08:00
af_inet.c net: add validation for the socket syscall protocol argument 2015-12-14 16:09:30 -05:00
ah4.c ah4: Fix error return in ah_input(). 2015-08-25 13:38:50 -07:00
arp.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-20 06:08:27 -07:00
cipso_ipv4.c
datagram.c
devinet.c netlink: Rightsize IFLA_AF_SPEC size calculation 2015-10-21 19:15:20 -07:00
esp4.c
fib_frontend.c net: Flush local routes when device changes vrf association 2015-12-13 23:58:44 -05:00
fib_lookup.h
fib_rules.c net: ipv6: use common fib_default_rule_pref 2015-09-09 14:19:50 -07:00
fib_semantics.c net: Fix prefsrc lookups 2015-11-04 21:34:37 -05:00
fib_trie.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-01 15:56:08 -08:00
fou.c udp: restrict offloads to one namespace 2016-01-10 17:28:24 -05:00
gre_demux.c gre: Remove support for sharing GRE protocol hook. 2015-08-10 14:03:54 -07:00
gre_offload.c ipv6: gre: support SIT encapsulation 2015-10-26 22:01:18 -07:00
icmp.c Revert "ipv4/icmp: redirect messages can use the ingress daddr as source" 2015-10-14 06:01:07 -07:00
igmp.c ipv4: igmp: Allow removing groups from a removed interface 2015-12-03 12:07:05 -05:00
inet_connection_sock.c tcp: ensure proper barriers in lockless contexts 2015-11-15 18:36:38 -05:00
inet_diag.c net: diag: support v4mapped sockets in inet_diag_find_one_icsk() 2016-01-20 18:51:31 -08:00
inet_fragment.c inet: kill unused skb_free op 2016-01-05 22:25:57 -05:00
inet_hashtables.c tcp/dccp: fix hashdance race for passive sessions 2015-10-23 05:42:21 -07:00
inet_lro.c
inet_timewait_sock.c tcp/dccp: fix timewait races in timer handling 2015-09-21 16:32:29 -07:00
inetpeer.c net: Add helper function to compare inetpeer addresses 2015-08-28 13:32:36 -07:00
ip_forward.c net: Pass net into dst_output and remove dst_output_okfn 2015-10-08 04:26:54 -07:00
ip_fragment.c inet: frag: Always orphan skbs inside ip_defrag() 2016-01-28 16:00:46 -08:00
ip_gre.c ip_tunnel: Move stats update to iptunnel_xmit() 2015-12-25 23:32:23 -05:00
ip_input.c ipv4: early demux should be aware of fragments 2016-01-29 15:14:20 -05:00
ip_options.c
ip_output.c net: preserve IP control block during GSO segmentation 2016-01-15 14:35:24 -05:00
ip_sockglue.c ipv4: fix a potential deadlock in mcast getsockopt() path 2015-11-04 21:29:59 -05:00
ip_tunnel_core.c ipv4: fix endianness warnings in ip_tunnel_core.c 2016-01-08 21:30:43 -05:00
ip_tunnel.c ip_tunnel: Move stats update to iptunnel_xmit() 2015-12-25 23:32:23 -05:00
ip_vti.c ip_tunnel: Move stats update to iptunnel_xmit() 2015-12-25 23:32:23 -05:00
ipcomp.c
ipconfig.c ipv4: ipconfig: avoid unused ic_proto_used symbol 2016-01-29 19:39:09 -08:00
ipip.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-31 18:20:10 -05:00
ipmr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-03 21:09:12 -05:00
Kconfig ipv4+ipv6: Make INET*_ESP select CRYPTO_ECHAINIV 2016-01-25 10:45:41 -08:00
Makefile net: drop tcp_memcontrol.c 2016-01-20 17:09:18 -08:00
netfilter.c ipv4: Pass struct net into ip_route_me_harder 2015-09-29 20:21:32 +02:00
ping.c ipv4: eliminate lock count warnings in ping.c 2016-01-08 21:30:43 -05:00
proc.c
protocol.c
raw.c net: Propagate lookup failure in l3mdev_get_saddr to caller 2016-01-04 22:58:30 -05:00
route.c net: Do not drop to make_route if oif is l3mdev 2015-10-08 05:18:47 -07:00
syncookies.c net: Allow accepted sockets to be bound to l3mdev domain 2015-12-18 14:43:38 -05:00
sysctl_net_ipv4.c net: drop tcp_memcontrol.c 2016-01-20 17:09:18 -08:00
tcp_bic.c
tcp_cdg.c
tcp_cong.c tcp: remove tcp_ecn_make_synack() socket argument 2015-09-25 13:00:38 -07:00
tcp_cubic.c tcp_cubic: do not set epoch_start in the future 2015-09-17 22:35:07 -07:00
tcp_dctcp.c tcp: allow dctcp alpha to drop to zero 2015-10-23 02:46:52 -07:00
tcp_diag.c net: diag: Support destroying TCP sockets. 2015-12-15 23:26:52 -05:00
tcp_fastopen.c tcp: do not enqueue skb with SYN flag 2016-02-06 03:11:59 -05:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: fastopen: accept data/FIN present in SYNACK message 2016-02-06 03:11:59 -05:00
tcp_ipv4.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-01 15:56:08 -08:00
tcp_lp.c
tcp_metrics.c net: Add helper function to compare inetpeer addresses 2015-08-28 13:32:36 -07:00
tcp_minisocks.c tcp: honour SO_BINDTODEVICE for TW_RST case too 2015-12-22 17:03:05 -05:00
tcp_offload.c
tcp_output.c net: tcp_memcontrol: simplify linkage between socket and page counter 2016-01-14 16:00:49 -08:00
tcp_probe.c
tcp_recovery.c tcp: use RACK to detect losses 2015-10-21 07:00:53 -07:00
tcp_scalable.c
tcp_timer.c ipv4: Namespecify the tcp_keepalive_intvl sysctl knob 2016-01-10 17:32:09 -05:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c tcp_yeah: don't set ssthresh below 2 2016-01-11 17:25:16 -05:00
tcp.c tcp: do not enqueue skb with SYN flag 2016-02-06 03:11:59 -05:00
tunnel4.c
udp_diag.c soreuseport: setsockopt SO_ATTACH_REUSEPORT_[CE]BPF 2016-01-04 22:49:59 -05:00
udp_impl.h
udp_offload.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-11 23:55:43 -05:00
udp_tunnel.c ip_tunnel: Move stats update to iptunnel_xmit() 2015-12-25 23:32:23 -05:00
udp.c udp: fix potential infinite loop in SO_REUSEPORT logic 2016-01-19 13:52:25 -05:00
udplite.c
xfrm4_input.c netfilter: Pass net into okfn 2015-09-17 17:18:37 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c
xfrm4_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-10-24 06:54:12 -07:00
xfrm4_policy.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2015-12-22 16:26:31 -05:00
xfrm4_protocol.c
xfrm4_state.c
xfrm4_tunnel.c