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Neal Cardwell 600647d467 tcp_bbr: reset long-term bandwidth sampling on loss recovery undo 
Fix BBR so that upon notification of a loss recovery undo BBR resets
long-term bandwidth sampling.

Under high reordering, reordering events can be interpreted as loss.
If the reordering and spurious loss estimates are high enough, this
can cause BBR to spuriously estimate that we are seeing loss rates
high enough to trigger long-term bandwidth estimation. To avoid that
problem, this commit resets long-term bandwidth sampling on loss
recovery undo events.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-08 13:27:43 -05:00
..
netfilter
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2017-11-08 14:22:50 +09:00
af_inet.c
net: accept UFO datagrams from tuntap and packet
2017-11-24 01:37:35 +09:00
ah4.c
net: use -ENOSPC for transient busy indication
2017-11-03 22:11:17 +08:00
arp.c
ipv4: mark expected switch fall-throughs
2017-10-18 14:10:29 +01:00
cipso_ipv4.c
tcp/dccp: fix ireq->opt races
2017-10-21 01:33:19 +01:00
datagram.c
…
devinet.c
net: Add extack to validator_info structs used for address notifier
2017-10-20 13:15:07 +01:00
esp4_offload.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-09-01 17:42:05 -07:00
esp4.c
net: use -ENOSPC for transient busy indication
2017-11-03 22:11:17 +08:00
fib_frontend.c
ipv4: fix validate_source for VRF setup
2017-11-01 21:25:15 +09:00
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: Implement notification logic in core
2017-08-03 15:35:59 -07:00
fib_semantics.c
tcp: Namespace-ify sysctl_tcp_default_congestion_control
2017-11-15 14:09:52 +09:00
fib_trie.c
net: Add extack to fib_notifier_info
2017-11-01 11:50:43 +09:00
fou.c
gue: fix remcsum when GRO on and CHECKSUM_PARTIAL boundary is outer UDP
2017-08-01 16:09:14 -07:00
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
ipv4: icmp: use BUG_ON instead of if condition followed by BUG
2017-10-24 18:44:42 +09:00
igmp.c
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
inet_connection_sock.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-10-30 21:09:24 +09:00
inet_diag.c
inet_diag: allow protocols to provide additional data
2017-09-01 18:38:09 -07:00
inet_fragment.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2017-11-15 11:56:19 -08:00
inet_hashtables.c
soreuseport: fix initialization race
2017-10-22 02:03:51 +01:00
inet_timewait_sock.c
Revert "tcp: must block bh in __inet_twsk_hashdance()"
2017-12-05 11:23:58 -05:00
inetpeer.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-10-05 18:19:22 -07:00
ip_forward.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip_fragment.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
ip_gre.c
ip_gre: add the support for i/o_flags update via ioctl
2017-11-10 14:39:53 +09:00
ip_input.c
IPv4: early demux can return an error code
2017-10-01 03:55:47 +01:00
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
udp: remove unreachable ufo branches
2017-08-22 14:27:18 -07:00
ip_sockglue.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ip_tunnel_core.c
net: store port/representator id in metadata_dst
2017-06-25 11:42:01 -04:00
ip_tunnel.c
ipv4: speedup ipv6 tunnels dismantle
2017-09-19 16:32:24 -07:00
ip_vti.c
ip_vti: remove the useless err_count check in vti_xmit
2017-11-01 11:57:32 +09:00
ipcomp.c
…
ipconfig.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ipip.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-10-30 21:09:24 +09:00
ipmr.c
treewide: setup_timer() -> timer_setup()
2017-11-21 15:57:07 -08:00
Kconfig
ip: update policy routing config help
2017-10-12 22:57:11 -07:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
netfilter.c
netfilter: use skb_to_full_sk in ip_route_me_harder
2017-02-28 12:49:36 +01:00
ping.c
net: convert sock.sk_refcnt from atomic_t to refcount_t
2017-07-01 07:39:08 -07:00
proc.c
tcp: retire FACK loss detection
2017-11-11 18:53:16 +09:00
protocol.c
net: Add sysctl to toggle early demux for tcp and udp
2017-03-24 13:17:07 -07:00
raw_diag.c
net: ipv6: add second dif to raw socket lookups
2017-08-07 11:39:22 -07:00
raw.c
net: ipv4: add second dif to multicast source filter
2017-08-07 11:39:22 -07:00
route.c
route: also update fnhe_genid when updating a route cache
2017-11-18 10:32:41 +09:00
syncookies.c
tcp: Namespace-ify sysctl_tcp_workaround_signed_windows
2017-10-28 19:24:38 +09:00
sysctl_net_ipv4.c
tcp: Namespace-ify sysctl_tcp_default_congestion_control
2017-11-15 14:09:52 +09:00
tcp_bbr.c
tcp_bbr: reset long-term bandwidth sampling on loss recovery undo
2017-12-08 13:27:43 -05:00
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
Revert "dctcp: update cwnd on congestion event"
2016-12-06 11:34:24 -05:00
tcp_diag.c
tcp_diag: report TCP MD5 signing keys and addresses
2017-09-01 18:38:09 -07:00
tcp_fastopen.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2017-11-04 09:26:51 +09:00
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: make undo_cwnd mandatory for congestion modules
2016-11-21 13:20:17 -05:00
tcp_illinois.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_input.c
tcp: invalidate rate samples during SACK reneging
2017-12-08 10:07:02 -05:00
tcp_ipv4.c
tcp: add tcp_v4_fill_cb()/tcp_v4_restore_cb()
2017-12-03 12:39:14 -05:00
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: retire FACK loss detection
2017-11-11 18:53:16 +09:00
tcp_minisocks.c
tcp/dccp: block bh before arming time_wait timer
2017-12-01 15:07:43 -05:00
tcp_nv.c
tcp_nv: use do_div() instead of expensive div64_u64()
2017-11-04 22:34:52 +09:00
tcp_offload.c
tcp: gso: avoid refcount_t warning from tcp_gso_segment()
2017-11-10 18:07:15 +09:00
tcp_output.c
tcp: when scheduling TLP, time of RTO should account for current ACK
2017-11-19 12:25:26 +09:00
tcp_probe.c
tcp: remove redundant argument from tcp_rcv_established()
2017-07-24 17:28:12 -07:00
tcp_rate.c
tcp: invalidate rate samples during SACK reneging
2017-12-08 10:07:02 -05:00
tcp_recovery.c
tcp: higher throughput under reordering with adaptive RACK reordering wnd
2017-11-05 23:15:42 +09:00
tcp_scalable.c
tcp: consolidate congestion control undo functions
2017-08-06 21:25:10 -07:00
tcp_timer.c
tcp: tcp_mtu_probing() cleanup
2017-11-05 22:14:23 +09:00
tcp_ulp.c
tcp: ulp: avoid module refcnt leak in tcp_set_ulp
2017-08-14 22:17:05 -07:00
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: invalidate rate samples during SACK reneging
2017-12-08 10:07:02 -05:00
tunnel4.c
…
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
net: accept UFO datagrams from tuntap and packet
2017-11-24 01:37:35 +09:00
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-next
2017-11-15 11:56:19 -08:00
udplite.c
udplite: call proper backlog handlers
2016-11-24 15:32:14 -05:00
xfrm4_input.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +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: 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
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
xfrm4_protocol.c
xfrm: input: constify xfrm_input_afinfo
2017-02-09 10:22:17 +01:00
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
…