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linux-2.6
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linux-2.6/net
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Jerry Chu 168a8f5805 tcp: TCP Fast Open Server - main code path 
This patch adds the main processing path to complete the TFO server
patches.

A TFO request (i.e., SYN+data packet with a TFO cookie option) first
gets processed in tcp_v4_conn_request(). If it passes the various TFO
checks by tcp_fastopen_check(), a child socket will be created right
away to be accepted by applications, rather than waiting for the 3WHS
to finish.

In additon to the use of TFO cookie, a simple max_qlen based scheme
is put in place to fend off spoofed TFO attack.

When a valid ACK comes back to tcp_rcv_state_process(), it will cause
the state of the child socket to switch from either TCP_SYN_RECV to
TCP_ESTABLISHED, or TCP_FIN_WAIT1 to TCP_FIN_WAIT2. At this time
retransmission will resume for any unack'ed (data, FIN,...) segments.

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
..
9p net: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:45 -07:00
802 tokenring: delete all remaining driver support 2012-05-15 20:23:16 -04:00
8021q vlan: add helper which can be called to see if device is used by vlan 2012-08-24 13:46:39 -04:00
appletalk userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
atm net🏧fix up ENOIOCTLCMD error handling 2012-08-31 16:14:33 -04:00
ax25 userns: Convert net/ax25 to use kuid_t where appropriate 2012-08-14 21:49:42 -07:00
batman-adv batman-adv: Start new development cycle 2012-08-23 14:20:23 +02:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-22 14:21:38 -07:00
bridge Merge git://1984.lsi.us.es/nf-next 2012-08-22 18:48:52 -07:00
caif caif: Do not dereference NULL in chnl_recv_cb() 2012-08-20 02:47:49 -07:00
can can: gw: Remove pointless casts 2012-07-10 22:36:17 +02:00
ceph libceph: avoid truncation due to racing banners 2012-08-21 15:55:27 -07:00
core tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
dcb net: Fix non-kernel-doc comments with kernel-doc start marker 2012-07-10 23:13:45 -07:00
dccp dccp: fix info leak via getsockopt(DCCP_SOCKOPT_CCID_TX_INFO) 2012-08-15 21:36:31 -07:00
decnet decnet: fix shutdown parameter checking 2012-08-31 15:55:37 -04:00
dns_resolver Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2012-05-21 20:27:36 -07:00
dsa dsa: Convert compare_ether_addr to ether_addr_equal 2012-05-09 20:49:19 -04:00
ethernet ipx: move peII functions 2012-07-19 10:48:00 -07:00
ieee802154 6lowpan: Change byte order when storing/accessing to len field 2012-07-16 22:52:02 -07:00
ipv4 tcp: TCP Fast Open Server - main code path 2012-08-31 20:02:19 -04:00
ipv6 tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
ipx userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
irda irda: Fix typo in irda 2012-07-16 23:23:52 -07:00
iucv net: remove skb_orphan_try() 2012-06-15 15:30:15 -07:00
key Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
l2tp l2tp: avoid to use synchronize_rcu in tunnel free function 2012-08-30 12:31:03 -04:00
lapb lapb: Neaten debugging 2012-05-17 18:45:20 -04:00
llc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-31 15:14:18 -04:00
mac802154 mac802154: sparse warnings: make symbols static 2012-07-12 07:54:45 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-31 15:14:18 -04:00
netlabel netlabel: use GFP flags from caller instead of GFP_ATOMIC 2012-03-22 19:29:57 -04:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-31 15:14:18 -04:00
netrom net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-07-20 12:30:48 -04:00
openvswitch openvswitch: using kfree_rcu() to simplify the code 2012-08-31 15:55:38 -04:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-08-31 15:14:18 -04:00
phonet userns: Print out socket uids in a user namespace aware fashion. 2012-08-14 21:48:06 -07:00
rds rds: Don't disable BH on BH context 2012-08-22 22:52:04 -07:00
rfkill Revert "rfkill: remove dead code" 2012-08-21 20:50:25 +02:00
rose net: Convert all sysctl registrations to register_net_sysctl 2012-04-20 21:22:30 -04:00
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-07-10 23:56:33 -07:00
sched Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
sctp Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-08-24 18:54:37 -04:00
sunrpc Merge branch 'akpm' (Andrew's patch-bomb) 2012-07-31 19:25:39 -07:00
tipc tipc: eliminate configuration for maximum number of name publications 2012-08-20 02:26:31 -07:00
unix af_unix: fix shutdown parameter checking 2012-08-31 15:55:37 -04:00
wanrouter wanmain: comparing array with NULL 2012-07-24 13:55:21 -07:00
wimax net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
wireless Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem 2012-08-24 12:25:30 -04:00
x25 net: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:45 -07:00
xfrm xfrm: fix RCU bugs 2012-08-22 22:39:46 -07:00
Kconfig net: drop NET dependency from HAVE_BPF_JIT 2012-05-21 12:50:12 -07:00
Makefile econet: remove ancient bug ridden protocol 2012-05-18 01:35:08 -04:00
compat.c net: Fix references to out-of-scope variables in put_cmsg_compat() 2012-07-22 17:50:49 -07:00
nonet.c
…
socket.c net: fix info leak in compat dev_ifconf() 2012-08-15 21:36:31 -07:00
sysctl_net.c net: delete all instances of special processing for token ring 2012-05-15 20:14:35 -04:00