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kernel-ark/net/ipv4
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Masahide NAKAMURA 3b26a9a655 [IPV4] IPSEC: Omit redirect for tunnelled packet. 
IPv4 IPsec tunnel gateway incorrectly sends redirect to
sender if it is onlink host when network device the IPsec tunnelled
packet is arrived is the same as the one the decapsulated packet
is sent.

With this patch, it omits to send the redirect when the forwarding
skbuff carries secpath, since such skbuff should be assumed as
a decapsulated packet from IPsec tunnel by own.

Request for comments:
Alternatively we'd have another way to change net/ipv4/route.c
(__mkroute_input) to use RTCF_DOREDIRECT flag unless skbuff
has no secpath. It is better than this patch at performance
point of view because IPv4 redirect judgement is done at
routing slow-path. However, it should be taken care of resource
changes between SAD(XFRM states) and routing table. In other words,
When IPv4 SAD is changed does the related routing entry go to its
slow-path? If not, it is reasonable to apply this patch.

Signed-off-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-10-10 16:48:33 -07:00
..
ipvs [NETFILTER]: Fix/improve deadlock condition on module removal netfilter 2007-09-11 11:28:26 +02:00
netfilter [NETFILTER]: Fix/improve deadlock condition on module removal netfilter 2007-09-11 11:28:26 +02:00
af_inet.c [TCP]: Invoke tcp_sendmsg() directly, do not use inet_sendmsg(). 2007-08-02 19:42:28 -07:00
ah4.c [IPSEC] AH4: Update IPv4 options handling to conform to RFC 4302. 2007-08-26 18:35:33 -07:00
arp.c [IPV4]: Cleanup call to __neigh_lookup() 2007-07-14 20:51:44 -07:00
cipso_ipv4.c
datagram.c
devinet.c [IPV4] devinet: show all addresses assigned to interface 2007-09-11 10:41:04 +02:00
esp4.c [XFRM]: Add module alias for transformation type. 2007-07-10 22:15:43 -07:00
fib_frontend.c [NET] IPV4: Fix whitespace errors. 2007-07-19 10:43:47 +09:00
fib_hash.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
fib_lookup.h
fib_rules.c
fib_semantics.c [IPV4]: The scheduled removal of multipath cached routing support. 2007-07-10 22:05:57 -07:00
fib_trie.c [IPV4] fib_trie: macro cleanup 2007-10-10 16:48:01 -07:00
icmp.c
igmp.c
inet_connection_sock.c
inet_diag.c [INET_DIAG]: Fix oops in netlink_rcv_skb 2007-09-11 11:33:28 +02:00
inet_hashtables.c
inet_lro.c [NET]: Generic Large Receive Offload for TCP traffic 2007-10-10 16:47:46 -07:00
inet_timewait_sock.c [INET_SOCK]: make net/ipv4/inet_timewait_sock.c:__inet_twsk_kill() static 2007-07-14 19:00:59 -07:00
inetpeer.c [IPV4]: Fix inetpeer gcc-4.2 warnings 2007-07-20 19:39:17 -07:00
ip_forward.c [IPV4] IPSEC: Omit redirect for tunnelled packet. 2007-10-10 16:48:33 -07:00
ip_fragment.c
ip_gre.c [NET]: Avoid copying writable clones in tunnel drivers 2007-07-10 22:19:05 -07:00
ip_input.c
ip_options.c [IPV4] ip_options.c: kmalloc + memset conversion to kzalloc 2007-07-31 14:06:45 -07:00
ip_output.c [IPV4]: Clean up duplicate includes in net/ipv4/ 2007-08-13 22:52:02 -07:00
ip_sockglue.c [NET]: Fix IP_ADD/DROP_MEMBERSHIP to handle only connectionless 2007-08-26 18:35:35 -07:00
ipcomp.c [XFRM]: Add module alias for transformation type. 2007-07-10 22:15:43 -07:00
ipconfig.c [IPCONFIG]: ip_auto_config fix 2007-08-13 22:51:59 -07:00
ipip.c [NET]: Avoid copying writable clones in tunnel drivers 2007-07-10 22:19:05 -07:00
ipmr.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
Kconfig [NET]: Generic Large Receive Offload for TCP traffic 2007-10-10 16:47:46 -07:00
Makefile [NET]: Generic Large Receive Offload for TCP traffic 2007-10-10 16:47:46 -07:00
netfilter.c
proc.c [TCP] MIB: Add counters for discarded SACK blocks 2007-10-10 16:48:30 -07:00
protocol.c
raw.c [IPV4] raw.c: kmalloc + memset conversion to kzalloc 2007-08-02 19:42:26 -07:00
route.c [IPV4] route.c: mostly kmalloc + memset conversion to k[cz]alloc 2007-08-02 19:42:27 -07:00
syncookies.c
sysctl_net_ipv4.c
tcp_bic.c [TCP]: Remove num_acked>0 checks from cong.ctrl mods pkts_acked 2007-10-10 16:47:55 -07:00
tcp_cong.c [TCP]: remove unused argument to cong_avoid op 2007-07-18 01:46:58 -07:00
tcp_cubic.c [TCP]: Remove num_acked>0 checks from cong.ctrl mods pkts_acked 2007-10-10 16:47:55 -07:00
tcp_diag.c
tcp_highspeed.c [TCP]: remove unused argument to cong_avoid op 2007-07-18 01:46:58 -07:00
tcp_htcp.c [TCP]: H-TCP maxRTT estimation at startup 2007-08-07 18:29:05 -07:00
tcp_hybla.c [TCP]: remove unused argument to cong_avoid op 2007-07-18 01:46:58 -07:00
tcp_illinois.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_input.c [TCP] MIB: Add counters for discarded SACK blocks 2007-10-10 16:48:30 -07:00
tcp_ipv4.c [TCP]: Fix MD5 signature handling on big-endian. 2007-09-28 15:18:35 -07:00
tcp_lp.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_minisocks.c [TCP]: Move sack_ok access to obviously named funcs & cleanup 2007-10-10 16:48:00 -07:00
tcp_output.c [NET] Cleanup: DIV_ROUND_UP 2007-10-10 16:48:30 -07:00
tcp_probe.c jprobes: remove JPROBE_ENTRY() 2007-07-19 10:04:44 -07:00
tcp_scalable.c [TCP]: remove unused argument to cong_avoid op 2007-07-18 01:46:58 -07:00
tcp_timer.c [TCP]: Move sack_ok access to obviously named funcs & cleanup 2007-10-10 16:48:00 -07:00
tcp_vegas.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_vegas.h [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_veno.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_westwood.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_yeah.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp.c [TCP]: Move sack_ok access to obviously named funcs & cleanup 2007-10-10 16:48:00 -07:00
tunnel4.c
udp_impl.h [UDP]: Randomize port selection. 2007-10-10 16:48:31 -07:00
udp.c [UDP]: Randomize port selection. 2007-10-10 16:48:31 -07:00
udplite.c [UDP]: Randomize port selection. 2007-10-10 16:48:31 -07:00
xfrm4_input.c [UDP]: Cleanup UDP encapsulation code 2007-07-10 22:16:53 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c
xfrm4_output.c
xfrm4_policy.c
xfrm4_state.c
xfrm4_tunnel.c [XFRM]: Add module alias for transformation type. 2007-07-10 22:15:43 -07:00