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android_kernel_xiaomi_sm8350/net/ipv6
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Florian Westphal 4dfc281702 [Syncookies]: Add support for TCP options via timestamps. 
Allow the use of SACK and window scaling when syncookies are used
and the client supports tcp timestamps. Options are encoded into
the timestamp sent in the syn-ack and restored from the timestamp
echo when the ack is received.

Based on earlier work by Glenn Griffin.
This patch avoids increasing the size of structs by encoding TCP
options into the least significant bits of the timestamp and
by not using any 'timestamp offset'.

The downside is that the timestamp sent in the packet after the synack
will increase by several seconds.

changes since v1:
 don't duplicate timestamp echo decoding function, put it into ipv4/syncookie.c
 and have ipv6/syncookies.c use it.
 Feedback from Glenn Griffin: fix line indented with spaces, kill redundant if ()

Reviewed-by: Hagen Paul Pfeifer <hagen@jauu.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-10 03:12:40 -07:00
..
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-04-02 22:35:23 -07:00
addrconf_core.c
addrconf.c Merge branch 'net-2.6.26-isatap-20080403' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev 2008-04-08 02:33:36 -07:00
addrlabel.c [NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS. 2008-03-26 04:39:55 +09:00
af_inet6.c [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
ah6.c [IPSEC]: Fix bogus usage of u64 on input sequence number 2008-02-12 22:50:35 -08:00
anycast.c [IPV6]: Unify ip6_onlink() and ipip6_onlink(). 2008-04-03 10:06:00 +09:00
datagram.c [NETNS][IPV6]: inet6_addr - check ipv6 address per namespace 2008-01-28 15:01:44 -08:00
esp6.c [ESP]: Ensure IV is in linear part of the skb to avoid BUG() due to OOB access 2008-03-27 16:08:03 -07:00
exthdrs_core.c
exthdrs.c [NETNS][IPV6]: inet6_addr - make ipv6_chk_home_addr namespace aware 2008-01-28 15:01:46 -08:00
fib6_rules.c [NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS. 2008-03-26 04:39:55 +09:00
icmp.c [IPV6]: Simplify IPv6 control sockets creation. 2008-04-03 14:31:03 -07:00
inet6_connection_sock.c
inet6_hashtables.c [SOCK][NETNS]: Add a struct net argument to sock_prot_inuse_add and _get. 2008-03-31 19:41:46 -07:00
ip6_fib.c [NET] NETNS: Omit sock->sk_net without CONFIG_NET_NS. 2008-03-26 04:39:55 +09:00
ip6_flowlabel.c [NETNS][IPV6] flowlabels - make proc per namespace 2008-03-26 16:53:30 -07:00
ip6_input.c [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
ip6_output.c [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
ip6_tunnel.c net: replace remaining __FUNCTION__ occurrences 2008-03-05 20:47:47 -08:00
ip6mr.c [IPV6] MROUTE: Use skb_tail_pointer(skb) instead of skb->tail. 2008-04-05 22:35:14 +09:00
ipcomp6.c [IPCOMP]: Disable BH on output when using shared tfm 2008-02-28 11:23:17 -08:00
ipv6_sockglue.c [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
Kconfig Merge branch 'net-2.6.26-isatap-20080403' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev 2008-04-08 02:33:36 -07:00
Makefile [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
mcast.c [IPV6]: Simplify IPv6 control sockets creation. 2008-04-03 14:31:03 -07:00
mip6.c net: replace remaining __FUNCTION__ occurrences 2008-03-05 20:47:47 -08:00
ndisc.c Merge branch 'net-2.6.26-isatap-20080403' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev 2008-04-08 02:33:36 -07:00
netfilter.c [NETNS][IPV6] route6 - add netns parameter to ip6_route_output 2008-03-05 10:48:10 -08:00
proc.c [IPV6][NETNS]: Display per-net info in sockstat6 file. 2008-03-31 19:43:43 -07:00
protocol.c
raw.c [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
reassembly.c [NET]: Rename inet_frag.h identifiers COMPLETE, FIRST_IN, LAST_IN to INET_FRAG_* 2008-03-28 16:35:27 -07:00
route.c Merge branch 'net-2.6.26-isatap-20080403' of git://git.linux-ipv6.org/gitroot/yoshfuji/linux-2.6-dev 2008-04-08 02:33:36 -07:00
sit.c [IPV6]: Unify ip6_onlink() and ipip6_onlink(). 2008-04-03 10:06:00 +09:00
syncookies.c [Syncookies]: Add support for TCP options via timestamps. 2008-04-10 03:12:40 -07:00
sysctl_net_ipv6.c [IPV6] SYSCTL: complete initialization for sysctl table in subsystem code. 2008-03-04 15:18:23 +09:00
tcp_ipv6.c [Syncookies]: Add support for TCP options via timestamps. 2008-04-10 03:12:40 -07:00
tunnel6.c
udp_impl.h [UDP]: Make full use of proto.h.udp_hash innovation. 2008-03-22 16:51:21 -07:00
udp.c [UDP]: Remove owner from udp_seq_afinfo. 2008-03-28 18:25:53 -07:00
udplite.c [UDP]: Remove owner from udp_seq_afinfo. 2008-03-28 18:25:53 -07:00
xfrm6_input.c [XFRM] IPV6: Optimize xfrm6_input_addr(). 2008-03-25 10:23:56 +09:00
xfrm6_mode_beet.c [IPSEC]: Fix BEET output 2008-03-26 16:51:09 -07:00
xfrm6_mode_ro.c [IPSEC]: Make x->lastused an unsigned long 2008-01-28 14:53:52 -08:00
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c [IPSEC]: Fix inter address family IPsec tunnel handling. 2008-03-24 14:51:51 -07:00
xfrm6_output.c [IPSEC]: Fix inter address family IPsec tunnel handling. 2008-03-24 14:51:51 -07:00
xfrm6_policy.c [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
xfrm6_state.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-03-27 18:48:56 -07:00
xfrm6_tunnel.c [XFRM] IPV6: Optimize __xfrm_tunnel_alloc_spi(). 2008-03-25 10:23:57 +09:00