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031afe4990a7c9dbff41a3a742c44d3e740ea0a1
linux/net/ipv4
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Yuchung Cheng 031afe4990 tcp: fix incorrect ca_state in tail loss probe 
On receiving an ACK that covers the loss probe sequence, TLP
immediately sets the congestion state to Open, even though some packets
are not recovered and retransmisssion are on the way.  The later ACks
may trigger a WARN_ON check in step D of tcp_fastretrans_alert(), e.g.,
https://bugzilla.redhat.com/show_bug.cgi?id=989251

The fix is to follow the similar procedure in recovery by calling
tcp_try_keep_open(). The sender switches to Open state if no packets
are retransmissted. Otherwise it goes to Disorder and let subsequent
ACKs move the state to Recovery or Open.

Reported-By: Michael Sterrett <michael@sterretts.net>
Tested-By: Dormando <dormando@rydia.net>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-17 15:41:02 -04:00
..
netfilter
netfilter: synproxy: fix BUG_ON triggered by corrupt TCP packets
2013-09-30 12:44:38 +02:00
af_inet.c
net: net_secret should not depend on TCP
2013-09-28 15:19:40 -07:00
ah4.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
arp.c
net: neighbour: Remove CONFIG_ARPD
2013-09-03 21:41:43 -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
ipv4: Add a socket release callback for datagram sockets
2013-01-21 14:17:05 -05:00
devinet.c
net: igmp: Allow user-space configuration of igmp unsolicited report interval
2013-08-09 11:27:46 -07:00
esp4.c
net: esp{4,6}: fix potential MTU calculation overflows
2013-08-05 12:26:50 -07:00
fib_frontend.c
netlink: fix splat in skb_clone with large messages
2013-06-27 22:44:16 -07:00
fib_lookup.h
…
fib_rules.c
fib_rules: fix suppressor names and default values
2013-08-03 10:40:23 -07:00
fib_semantics.c
ipv4: use next hop exceptions also for input routes
2013-06-28 21:27:47 -07:00
fib_trie.c
fib_trie: remove potential out of bound access
2013-08-05 15:26:11 -07:00
gre_demux.c
net: gre: move GSO functions to gre_offload
2013-07-03 14:37:39 -07:00
gre_offload.c
gso: Update tunnel segmentation to support Tx checksum offload
2013-07-11 12:18:49 -07:00
icmp.c
icmp: avoid allocating large struct on stack
2013-06-03 00:28:44 -07:00
igmp.c
ipv4 igmp: use in_dev_put in timer handlers instead of __in_dev_put
2013-09-30 22:28:56 -07:00
inet_connection_sock.c
tcp: Remove TCPCT
2013-03-17 14:35:13 -04:00
inet_diag.c
netlink: rename ssk to sk in struct netlink_skb_params
2013-04-19 14:57:56 -04:00
inet_fragment.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
2013-07-09 18:24:39 -07:00
inet_hashtables.c
net: do not call sock_put() on TIMEWAIT sockets
2013-10-02 17:05:54 -04:00
inet_lro.c
ipv4: replace ip_fast_csum with csum_replace2
2013-03-15 09:12:25 -04:00
inet_timewait_sock.c
hlist: drop the node parameter from iterators
2013-02-27 19:10:24 -08:00
inetpeer.c
ip: generate unique IP identificator if local fragmentation is allowed
2013-09-19 14:11:15 -04:00
ip_forward.c
ipv4: introduce rt_uses_gateway
2012-10-08 17:42:36 -04:00
ip_fragment.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-04-22 20:32:51 -04:00
ip_gre.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-08-16 15:37:26 -07:00
ip_input.c
net: add SNMP counters tracking incoming ECN bits
2013-08-08 22:24:59 -07:00
ip_options.c
net/ipv4: Ensure that location of timestamp option is stored
2013-03-12 05:35:39 -04:00
ip_output.c
ip: generate unique IP identificator if local fragmentation is allowed
2013-09-19 14:11:15 -04:00
ip_sockglue.c
net: prevent setting ttl=0 via IP_TTL
2013-01-08 17:57:10 -08:00
ip_tunnel_core.c
ip_tunnel_core: Change __skb_push back to skb_push
2013-10-01 12:42:16 -04:00
ip_tunnel.c
ip_tunnel: Remove double unregister of the fallback device
2013-10-01 12:42:16 -04:00
ip_vti.c
vti: get rid of nf mark rule in prerouting
2013-10-11 14:52:17 -04:00
ipcomp.c
ipv4: properly refresh rtable entries on pmtu/redirect events
2013-06-03 00:07:42 -07:00
ipconfig.c
ipconfig: add informative timeout messages while waiting for carrier
2013-04-02 14:35:33 -04:00
ipip.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-09-05 14:58:52 -04:00
ipmr.c
ip: generate unique IP identificator if local fragmentation is allowed
2013-09-19 14:11:15 -04:00
Kconfig
net: neighbour: Remove CONFIG_ARPD
2013-09-03 21:41:43 -04:00
Makefile
net: gre: move GSO functions to gre_offload
2013-07-03 14:37:39 -07:00
netfilter.c
netfilter: add my copyright statements
2013-04-18 20:27:55 +02:00
ping.c
net: proc_fs: trivial: print UIDs as unsigned int
2013-08-15 14:37:46 -07:00
proc.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-08-16 15:37:26 -07:00
protocol.c
ipv4: Disallow non-namespace aware protocols to register.
2013-02-05 14:42:23 -05:00
raw.c
net: raw: do not report ICMP redirects to user space
2013-09-24 10:15:49 -04:00
route.c
ipv4: fix ineffective source address selection
2013-10-07 15:26:46 -04:00
syncookies.c
net: syncookies: export cookie_v4_init_sequence/cookie_v4_check
2013-08-28 00:27:44 +02:00
sysctl_net_ipv4.c
tcp: TSO packets automatic sizing
2013-08-29 15:50:06 -04:00
tcp_bic.c
tcp: fix undo after RTO for BIC
2012-01-20 14:17:26 -05:00
tcp_cong.c
tcp: remove Appropriate Byte Count support
2013-02-05 14:51:16 -05:00
tcp_cubic.c
tcp: cubic: fix bug in bictcp_acked()
2013-08-07 10:35:08 -07:00
tcp_diag.c
inet_diag: Rename inet_diag_req into inet_diag_req_v2
2012-01-11 12:56:06 -08:00
tcp_fastopen.c
tcp: add server ip to encrypt cookie in fast open
2013-08-10 00:35:33 -07:00
tcp_highspeed.c
…
tcp_htcp.c
…
tcp_hybla.c
tcp: bool conversions
2012-05-17 14:59:59 -04:00
tcp_illinois.c
net: fix divide by zero in tcp algorithm illinois
2012-11-01 11:55:59 -04:00
tcp_input.c
tcp: fix incorrect ca_state in tail loss probe
2013-10-17 15:41:02 -04:00
tcp_ipv4.c
tcp: Change return value of tcp_rcv_established()
2013-09-04 00:27:28 -04:00
tcp_lp.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
tcp_memcontrol.c
memcg: rename RESOURCE_MAX to RES_COUNTER_MAX
2013-09-12 15:38:02 -07:00
tcp_metrics.c
tcp: fix RTO calculated from cached RTT
2013-09-17 19:08:08 -04:00
tcp_minisocks.c
tcp: consolidate SYNACK RTT sampling
2013-07-22 17:53:42 -07:00
tcp_offload.c
net: tcp: move GRO/GSO functions to tcp_offload
2013-06-07 14:39:05 -07:00
tcp_output.c
tcp: Always set options to 0 before calling tcp_established_options
2013-10-02 16:32:43 -04:00
tcp_probe.c
tcp: Change return value of tcp_rcv_established()
2013-09-04 00:27:28 -04:00
tcp_scalable.c
…
tcp_timer.c
tcp: refactor F-RTO
2013-03-21 11:47:50 -04:00
tcp_vegas.c
…
tcp_vegas.h
…
tcp_veno.c
…
tcp_westwood.c
tcp: refactor F-RTO
2013-03-21 11:47:50 -04:00
tcp_yeah.c
Fix common misspellings
2011-03-31 11:26:23 -03:00
tcp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2013-09-05 14:58:52 -04:00
tunnel4.c
net: Convert printks to pr_<level>
2012-03-11 23:42:51 -07:00
udp_diag.c
netlink: rename ssk to sk in struct netlink_skb_params
2013-04-19 14:57:56 -04:00
udp_impl.h
ipv4: fix checkpatch errors
2012-04-15 12:37:19 -04:00
udp_offload.c
net: udp4: move GSO functions to udp_offload
2013-06-12 00:47:25 -07:00
udp.c
net: udp: do not report ICMP redirects to user space
2013-09-24 10:15:49 -04:00
udplite.c
net: ipv4: Standardize prefixes for message logging
2012-03-12 17:05:21 -07:00
xfrm4_input.c
net: Add skb_unclone() helper function.
2013-02-15 15:10:37 -05:00
xfrm4_mode_beet.c
ipsec: be careful of non existing mac headers
2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
…
xfrm4_mode_tunnel.c
ip: generate unique IP identificator if local fragmentation is allowed
2013-09-19 14:11:15 -04:00
xfrm4_output.c
xfrm: revert ipv4 mtu determination to dst_mtu
2013-08-26 12:40:53 +02:00
xfrm4_policy.c
xfrm: Decode sessions with output interface.
2013-09-16 09:39:43 +02:00
xfrm4_state.c
xfrm: make local error reporting more robust
2013-08-14 13:07:12 +02:00
xfrm4_tunnel.c
sit: add IPv4 over IPv4 support
2013-05-31 17:19:05 -07:00