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android_kernel_motorola_sm6225/net/ipv4
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Jerry Chu 9ad7c049f0 tcp: RFC2988bis + taking RTT sample from 3WHS for the passive open side 
This patch lowers the default initRTO from 3secs to 1sec per
RFC2988bis. It falls back to 3secs if the SYN or SYN-ACK packet
has been retransmitted, AND the TCP timestamp option is not on.

It also adds support to take RTT sample during 3WHS on the passive
open side, just like its active open counterpart, and uses it, if
valid, to seed the initRTO for the data transmission phase.

The patch also resets ssthresh to its initial default at the
beginning of the data transmission phase, and reduces cwnd to 1 if
there has been MORE THAN ONE retransmission during 3WHS per RFC5681.

Signed-off-by: H.K. Jerry Chu <hkchu@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-08 17:05:30 -07:00
..
netfilter inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
af_inet.c net/ipv4: Check for mistakenly passed in non-IPv4 address 2011-06-01 21:05:22 -07:00
ah4.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
arp.c net: gre: provide multicast mappings for ipv4 and ipv6 2011-03-30 00:10:47 -07:00
cipso_ipv4.c inet: add RCU protection to inet->opt 2011-04-28 13:16:35 -07:00
datagram.c ipv4: Lock socket and use cork flow in ip4_datagram_connect(). 2011-05-08 13:48:57 -07:00
devinet.c net: fix two lockdep splats 2011-05-10 15:03:01 -07:00
esp4.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
fib_frontend.c Disable rp_filter for IPsec packets 2011-04-10 18:50:59 -07:00
fib_lookup.h ipv4: Fix nexthop caching wrt. scoping. 2011-03-24 18:06:47 -07:00
fib_rules.c ipv4: Use flowi4 in FIB layer. 2011-03-12 15:08:49 -08:00
fib_semantics.c net,rcu: convert call_rcu(fc_rport_free_rcu) to kfree_rcu() 2011-05-07 22:50:55 -07:00
fib_trie.c Add appropriate <linux/prefetch.h> include for prefetch users 2011-05-22 21:41:57 -07:00
gre.c tunnels: add _rcu annotations 2010-10-25 13:09:45 -07:00
icmp.c ipv4: Pass explicit destination address to rt_bind_peer(). 2011-05-18 18:42:43 -04:00
igmp.c igmp: call ip_mc_clear_src() only when we have no users of ip_mc_list 2011-05-24 13:26:12 -04:00
inet_connection_sock.c seqlock: Get rid of SEQLOCK_UNLOCKED 2011-05-24 15:22:17 +02:00
inet_diag.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
inet_fragment.c net/ipv4: EXPORT_SYMBOL cleanups 2010-07-12 12:57:54 -07:00
inet_hashtables.c inet: Fix __inet_inherit_port() to correctly increment bsockets and num_owners 2010-11-28 18:18:44 -08:00
inet_lro.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
inet_timewait_sock.c tcp: fix inet_twsk_deschedule() 2011-02-19 18:59:04 -08:00
inetpeer.c inetpeer: fix race in unused_list manipulations 2011-05-27 13:39:11 -04:00
ip_forward.c ipv4: Fix 'iph' use before set. 2011-05-12 23:03:46 -04:00
ip_fragment.c ipv4: Don't use enums as bitmasks in ip_fragment.c 2011-05-17 17:28:02 -04:00
ip_gre.c net: call dev_alloc_name from register_netdevice 2011-05-05 10:57:45 -07:00
ip_input.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
ip_options.c ip_options_compile: properly handle unaligned pointer 2011-05-31 15:11:02 -07:00
ip_output.c ipv4: Always call ip_options_build() after rest of IP header is filled in. 2011-05-13 17:21:27 -04:00
ip_sockglue.c inet: add RCU protection to inet->opt 2011-04-28 13:16:35 -07:00
ipcomp.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
ipconfig.c ipconfig wait for carrier 2011-05-19 17:13:04 -04:00
ipip.c net: call dev_alloc_name from register_netdevice 2011-05-05 10:57:45 -07:00
ipmr.c ipv4: Pass explicit saddr/daddr args to ipmr_get_route(). 2011-05-04 12:18:54 -07:00
Kconfig ipv4: Remove fib_hash. 2011-02-01 15:35:25 -08:00
Makefile net: ipv4: add IPPROTO_ICMP socket kind 2011-05-13 16:08:13 -04:00
netfilter.c netfilter: af_info: add 'strict' parameter to limit lookup to .oif 2011-04-04 17:00:54 +02:00
ping.c net: ping: cleanups ping_v4_unhash() 2011-05-23 16:29:24 -04:00
proc.c tcp: Replace time wait bucket msg by counter 2010-12-08 12:16:33 -08:00
protocol.c net: add __rcu annotations to protocol 2010-10-27 11:37:31 -07:00
raw.c net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
route.c ipv4: Give backtrace in ip_rt_bug(). 2011-05-22 21:01:20 -04:00
syncookies.c tcp: RFC2988bis + taking RTT sample from 3WHS for the passive open side 2011-06-08 17:05:30 -07:00
sysctl_net_ipv4.c net: ping: fix build failure 2011-05-17 14:16:58 -04:00
tcp.c net: Allow no-cache copy from user on transmit 2011-04-04 22:30:30 -07:00
tcp_bic.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_cong.c net/ipv4: Eliminate kstrdup memory leak 2010-08-27 19:31:56 -07:00
tcp_cubic.c tcp_cubic: limit delayed_ack ratio to prevent divide error 2011-05-08 15:51:57 -07:00
tcp_diag.c
tcp_highspeed.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_htcp.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_hybla.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_illinois.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_input.c tcp: RFC2988bis + taking RTT sample from 3WHS for the passive open side 2011-06-08 17:05:30 -07:00
tcp_ipv4.c tcp: RFC2988bis + taking RTT sample from 3WHS for the passive open side 2011-06-08 17:05:30 -07:00
tcp_lp.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tcp_minisocks.c tcp: RFC2988bis + taking RTT sample from 3WHS for the passive open side 2011-06-08 17:05:30 -07:00
tcp_output.c inet: Pass flowi to ->queue_xmit(). 2011-05-08 15:28:28 -07:00
tcp_probe.c net: ipv4: tcp_probe: cleanup snprintf() use 2010-11-17 12:27:46 -08:00
tcp_scalable.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_timer.c tcp: Remove debug macro of TCP_CHECK_TIMER 2011-02-20 11:10:14 -08:00
tcp_vegas.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_vegas.h
tcp_veno.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_westwood.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_yeah.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tunnel4.c tunnels: add __rcu annotations 2010-10-27 11:37:32 -07:00
udp.c net: convert %p usage to %pK 2011-05-24 01:13:12 -04:00
udp_impl.h
udplite.c net: fix nulls list corruptions in sk_prot_alloc 2010-12-16 14:26:56 -08:00
xfrm4_input.c net/ipv4: EXPORT_SYMBOL cleanups 2010-07-12 12:57:54 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c ipv4: Don't pre-seed hoplimit metric. 2010-12-12 22:08:17 -08:00
xfrm4_output.c xfrm: Assign the inner mode output function to the dst entry 2011-05-10 15:03:34 -07:00
xfrm4_policy.c ipv4: xfrm: Eliminate ->rt_src reference in policy code. 2011-05-10 13:32:48 -07:00
xfrm4_state.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-3.6 2011-05-11 14:26:58 -04:00
xfrm4_tunnel.c net: struct xfrm_tunnel in read_mostly section 2010-08-30 13:50:45 -07:00