kernel-fxtec-pro1x/net/ipv6
Jerry Chu 8336886f78 tcp: TCP Fast Open Server - support TFO listeners
This patch builds on top of the previous patch to add the support
for TFO listeners. This includes -

1. allocating, properly initializing, and managing the per listener
fastopen_queue structure when TFO is enabled

2. changes to the inet_csk_accept code to support TFO. E.g., the
request_sock can no longer be freed upon accept(), not until 3WHS
finishes

3. allowing a TCP_SYN_RECV socket to properly poll() and sendmsg()
if it's a TFO socket

4. properly closing a TFO listener, and a TFO socket before 3WHS
finishes

5. supporting TCP_FASTOPEN socket option

6. modifying tcp_check_req() to use to check a TFO socket as well
as request_sock

7. supporting TCP's TFO cookie option

8. adding a new SYN-ACK retransmit handler to use the timer directly
off the TFO socket rather than the listener socket. Note that TFO
server side will not retransmit anything other than SYN-ACK until
the 3WHS is completed.

The patch also contains an important function
"reqsk_fastopen_remove()" to manage the somewhat complex relation
between a listener, its request_sock, and the corresponding child
socket. See the comment above the function for the detail.

Signed-off-by: H.K. Jerry Chu <hkchu@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-08-31 20:02:19 -04:00
..
netfilter netfilter: PTR_RET can be used 2012-08-14 02:31:47 +02:00
addrconf.c ipv6: remove some deadcode 2012-08-31 16:33:32 -04:00
addrconf_core.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
addrlabel.c ipv6: bool/const conversions phase2 2012-05-19 01:08:16 -04:00
af_inet6.c ipv6: bool conversions phase1 2012-05-18 02:24:13 -04:00
ah6.c ipv6: Add redirect support to all protocol icmp error handlers. 2012-07-12 00:25:15 -07:00
anycast.c ipv6: bool/const conversions phase2 2012-05-19 01:08:16 -04:00
datagram.c ipv6: bool/const conversions phase2 2012-05-19 01:08:16 -04:00
esp6.c ipv6: Add redirect support to all protocol icmp error handlers. 2012-07-12 00:25:15 -07:00
exthdrs.c net: Remove casts to same type 2012-06-04 11:45:11 -04:00
exthdrs_core.c ipv6: bool/const conversions phase2 2012-05-19 01:08:16 -04:00
fib6_rules.c net/ipv6/fib6_rules.c: Checkpatch cleanup 2012-04-02 04:33:46 -04:00
icmp.c ipv6: Use icmpv6_notify() to propagate redirect, instead of rt6_redirect(). 2012-07-12 00:33:37 -07:00
inet6_connection_sock.c ipv6: fix inet6_csk_xmit() 2012-07-18 08:59:58 -07:00
inet6_hashtables.c net: Compute protocol sequence numbers and fragment IDs using MD5. 2011-08-06 18:33:19 -07:00
ip6_fib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-06-25 15:50:32 -07:00
ip6_flowlabel.c ipv6: move dereference after check in fl_free() 2012-08-16 16:04:42 -07:00
ip6_gre.c ipv6: gre: fix ip6gre_err() 2012-08-22 22:48:32 -07:00
ip6_input.c net: TCP early demux cleanup 2012-07-30 14:53:21 -07:00
ip6_output.c inet: Minimize use of cached route inetpeer. 2012-07-10 22:40:11 -07:00
ip6_tunnel.c gre: information leak in ip6_tnl_ioctl() 2012-08-20 02:21:30 -07:00
ip6mr.c ip6mr: Do not use RTA_PUT() macros 2012-06-27 15:36:44 -07:00
ipcomp6.c ipv6: Add redirect support to all protocol icmp error handlers. 2012-07-12 00:25:15 -07:00
ipv6_sockglue.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
Kconfig gre: Support GRE over IPv6 2012-08-14 14:28:32 -07:00
Makefile gre: Support GRE over IPv6 2012-08-14 14:28:32 -07:00
mcast.c ipv6: fix unappropriate errno returned for non-multicast address 2012-07-17 01:35:03 -07:00
mip6.c ipv6: correct the ipv6 option name - Pad0 to Pad1 2012-05-17 15:49:51 -04:00
ndisc.c ipv6: Use icmpv6_notify() to propagate redirect, instead of rt6_redirect(). 2012-07-12 00:33:37 -07:00
netfilter.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
proc.c net: ipv6: proc: Fix error handling 2012-08-14 14:45:07 -07:00
protocol.c inet: Sanitize inet{,6} protocol demux. 2012-06-19 18:56:21 -07:00
raw.c userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
reassembly.c ipv6: use skb coalescing in reassembly 2012-05-19 18:34:57 -04:00
route.c net: Loopback ifindex is constant now 2012-08-09 16:18:07 -07:00
sit.c net: Pass optional SKB and SK arguments to dst_ops->{update_pmtu,redirect}() 2012-07-17 03:29:28 -07:00
syncookies.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
sysctl_net_ipv6.c net: Delete all remaining instances of ctl_path 2012-04-20 21:22:30 -04:00
tcp_ipv6.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
tunnel6.c net: ipv6: Standardize prefixes for message logging 2012-05-16 01:01:03 -04:00
udp.c userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
udp_impl.h
udplite.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
xfrm6_input.c netfilter: ipv6: use NFPROTO values for NF_HOOK invocation 2010-03-25 16:00:49 +01:00
xfrm6_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm6_mode_ro.c
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm6_output.c xfrm6: remove unneeded NULL check in __xfrm6_output() 2012-02-01 02:52:48 -05:00
xfrm6_policy.c net: ipv6: fix oops in inet_putpeer() 2012-08-20 02:56:56 -07:00
xfrm6_state.c net: remove ipv6_addr_copy() 2011-11-22 16:43:32 -05:00
xfrm6_tunnel.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00