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linux/net/ipv4
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Eric Dumazet 522040ea5f tcp: do not aggressively quick ack after ECN events 
ECN signals currently forces TCP to enter quickack mode for
up to 16 (TCP_MAX_QUICKACKS) following incoming packets.

We believe this is not needed, and only sending one immediate ack
for the current packet should be enough.

This should reduce the extra load noticed in DCTCP environments,
after congestion events.

This is part 2 of our effort to reduce pure ACK packets.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-05-22 15:43:15 -04:00
..
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-21 16:01:54 -04:00
af_inet.c
tcp: add TCP_ZEROCOPY_RECEIVE support for zerocopy receive
2018-04-29 21:29:55 -04:00
ah4.c
net: use -ENOSPC for transient busy indication
2017-11-03 22:11:17 +08:00
arp.c
arp: fix arp_filter on l3slave devices
2018-04-05 22:05:03 -04:00
cipso_ipv4.c
tcp/dccp: fix ireq->opt races
2017-10-21 01:33:19 +01:00
datagram.c
…
devinet.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
esp4_offload.c
esp: check the NETIF_F_HW_ESP_TX_CSUM bit before segmenting
2018-02-27 10:46:01 +01:00
esp4.c
esp4: remove redundant initialization of pointer esph
2018-02-13 13:59:03 +01:00
fib_frontend.c
net/ipv4: Initialize proto and ports in flow struct
2018-05-17 14:55:21 -04:00
fib_lookup.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fib_notifier.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
fib_rules.c
net: fib_rules: add extack support
2018-04-23 10:21:24 -04:00
fib_semantics.c
net: Move fib_convert_metrics to metrics file
2018-04-17 23:41:15 -04:00
fib_trie.c
net/ipv4: Allow notifier to fail route replace
2018-03-29 14:10:30 -04:00
fou.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
gre_demux.c
…
gre_offload.c
gso: fix payload length when gso_size is zero
2017-10-08 10:12:15 -07:00
icmp.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
igmp.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
inet_connection_sock.c
net: ipv4: remove define INET_CSK_DEBUG and unnecessary EXPORT_SYMBOL
2018-05-10 17:43:55 -04:00
inet_diag.c
sock_diag: request _diag module only when the family or proto has been registered
2018-03-12 11:03:42 -04:00
inet_fragment.c
inet: frags: remove inet_frag_maybe_warn_overflow()
2018-03-31 23:25:39 -04:00
inet_hashtables.c
inet: Avoid unitialized variable warning in inet_unhash()
2018-02-01 09:48:42 -05:00
inet_timewait_sock.c
soreuseport: initialise timewait reuseport field
2018-04-07 22:32:32 -04:00
inetpeer.c
inetpeer: fix uninit-value in inet_getpeer
2018-04-09 10:57:35 -04:00
ip_forward.c
net: rename skb_gso_validate_mtu -> skb_gso_validate_network_len
2018-03-04 17:49:17 -05:00
ip_fragment.c
inet: frags: fix ip6frag_low_thresh boundary
2018-04-04 12:04:59 -04:00
ip_gre.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-21 16:01:54 -04:00
ip_input.c
net: Make ip_ra_chain per struct net
2018-03-22 15:12:56 -04:00
ip_options.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-21 16:01:54 -04:00
ip_sockglue.c
net: Replace ip_ra_lock with per-net mutex
2018-03-22 15:12:56 -04:00
ip_tunnel_core.c
net/ipv4: Update ip_tunnel_metadata_cnt static key to modern api
2018-05-10 15:13:33 -04:00
ip_tunnel.c
ip_tunnel: better validate user provided tunnel names
2018-04-05 15:16:15 -04:00
ip_vti.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
ipcomp.c
…
ipconfig.c
net: ipv4: ipconfig: fix unused variable
2018-05-13 20:27:25 -04:00
ipip.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
ipmr_base.c
ipmr: Make ipmr_dump() common
2018-03-26 13:14:43 -04:00
ipmr.c
net: fib_rules: add extack support
2018-04-23 10:21:24 -04:00
Kconfig
ipmr,ipmr6: Define a uniform vif_device
2018-03-01 13:13:23 -05:00
Makefile
net: Move fib_convert_metrics to metrics file
2018-04-17 23:41:15 -04:00
metrics.c
net: Move fib_convert_metrics to metrics file
2018-04-17 23:41:15 -04:00
netfilter.c
netfilter: remove struct nf_afinfo and its helper functions
2018-01-08 18:11:02 +01:00
ping.c
ipv4: fix memory leaks in udp_sendmsg, ping_v4_sendmsg
2018-05-11 12:00:58 -04:00
proc.c
tcp: add TCPAckCompressed SNMP counter
2018-05-18 11:40:27 -04:00
protocol.c
…
raw_diag.c
net: ipv6: add second dif to raw socket lookups
2017-08-07 11:39:22 -07:00
raw.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
route.c
net/ipv4: Initialize proto and ports in flow struct
2018-05-17 14:55:21 -04:00
syncookies.c
net/ipv4: disable SMC TCP option with SYN Cookies
2018-03-25 20:53:54 -04:00
sysctl_net_ipv4.c
tcp: add tcp_comp_sack_nr sysctl
2018-05-18 11:40:27 -04:00
tcp_bbr.c
tcp_bbr: fix to zero idle_restart only upon S/ACKed data
2018-05-02 11:12:32 -04:00
tcp_bic.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_cdg.c
tcp: cdg: make struct tcp_cdg static
2017-10-16 21:24:25 +01:00
tcp_cong.c
tcp: Namespace-ify sysctl_tcp_default_congestion_control
2017-11-15 14:09:52 +09:00
tcp_cubic.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_dctcp.c
…
tcp_diag.c
net: sock: replace sk_state_load with inet_sk_state_load and remove sk_state_store
2017-12-20 14:00:25 -05:00
tcp_fastopen.c
tcp: pause Fast Open globally after third consecutive timeout
2017-12-13 15:51:12 -05:00
tcp_highspeed.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_htcp.c
tcp: fix cwnd undo in Reno and HTCP congestion controls
2017-08-06 21:25:10 -07:00
tcp_hybla.c
…
tcp_illinois.c
net/tcp/illinois: replace broken algorithm reference link
2018-02-28 12:03:47 -05:00
tcp_input.c
tcp: do not aggressively quick ack after ECN events
2018-05-22 15:43:15 -04:00
tcp_ipv4.c
tcp: add tcp_comp_sack_nr sysctl
2018-05-18 11:40:27 -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
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
tcp_minisocks.c
tcp: Add mark for TIMEWAIT sockets
2018-05-10 17:44:52 -04:00
tcp_nv.c
tcp_nv: fix potential integer overflow in tcpnv_acked
2018-01-31 10:26:30 -05:00
tcp_offload.c
gso: validate gso_type in GSO handlers
2018-01-22 16:01:30 -05:00
tcp_output.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-21 16:01:54 -04:00
tcp_rate.c
tcp: invalidate rate samples during SACK reneging
2017-12-08 10:07:02 -05:00
tcp_recovery.c
tcp: tcp_rack_reo_wnd() can be static
2018-05-18 13:28:40 -04:00
tcp_scalable.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_timer.c
tcp: add SACK compression
2018-05-18 11:40:27 -04:00
tcp_ulp.c
net: add a UID to use for ULP socket assignment
2018-02-06 11:39:31 +01:00
tcp_vegas.c
tcp: fix under-evaluated ssthresh in TCP Vegas
2017-09-29 06:07:00 +01:00
tcp_vegas.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tcp_veno.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_westwood.c
tcp: Revert "tcp: remove CA_ACK_SLOWPATH"
2017-08-30 11:20:08 -07:00
tcp_yeah.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp.c
tcp: add SACK compression
2018-05-18 11:40:27 -04:00
tunnel4.c
inet: whitespace cleanup
2018-02-28 11:43:28 -05:00
udp_diag.c
net: ipv6: add second dif to udp socket lookups
2017-08-07 11:39:22 -07:00
udp_impl.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
udp_offload.c
udp: avoid refcount_t saturation in __udp_gso_segment()
2018-05-11 12:29:42 -04:00
udp_tunnel.c
net: add infrastructure to un-offload UDP tunnel port
2017-07-24 13:52:59 -07:00
udp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-05-11 20:53:22 -04:00
udplite.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
xfrm4_input.c
xfrm: Reinject transport-mode packets through tasklet
2017-12-19 08:23:21 +01:00
xfrm4_mode_beet.c
networking: make skb_pull & friends return void pointers
2017-06-16 11:48:39 -04:00
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: Verify MAC header exists before overwriting eth_hdr(skb)->h_proto
2018-03-07 10:54:29 +01:00
xfrm4_output.c
net: xfrm: use skb_gso_validate_network_len() to check gso sizes
2018-03-04 17:49:17 -05:00
xfrm4_policy.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
xfrm4_protocol.c
…
xfrm4_state.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfrm4_tunnel.c
…