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David Ward 31ce8c71a3 ipv6: Update Neighbor Cache when IPv6 RA is received on a router 
When processing a received IPv6 Router Advertisement, the kernel
creates or updates an IPv6 Neighbor Cache entry for the sender --
but presently this does not occur if IPv6 forwarding is enabled
(net.ipv6.conf.*.forwarding = 1), or if IPv6 Router Advertisements
are not accepted (net.ipv6.conf.*.accept_ra = 0), because in these
cases processing of the Router Advertisement has already halted.

This patch allows the Neighbor Cache to be updated in these cases,
while still avoiding any modification to routes or link parameters.

This continues to satisfy RFC 4861, since any entry created in the
Neighbor Cache as the result of a received Router Advertisement is
still placed in the STALE state.

Signed-off-by: David Ward <david.ward@ll.mit.edu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-08-29 00:04:09 -07:00
..
netfilter Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-06-11 16:00:49 +02:00
addrconf.c IPv6: preferred lifetime of address not getting updated 2009-07-03 19:10:13 -07:00
addrconf_core.c
addrlabel.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
af_inet6.c udpv6: Handle large incoming UDP/IPv6 packets and support software UFO 2009-07-12 14:29:29 -07:00
ah6.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
anycast.c net: replace %#p6 format specifier with %pi6 2008-10-29 12:50:24 -07:00
datagram.c netns xfrm: lookup in netns 2008-11-25 17:35:18 -08:00
esp6.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
exthdrs.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
exthdrs_core.c
fib6_rules.c net: Remove unused parameter from fill method in fib_rules_ops. 2009-05-20 17:26:23 -07:00
icmp.c inet6: Conversion from u8 to int 2009-08-13 16:43:31 -07:00
inet6_connection_sock.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
inet6_hashtables.c ipv6: don't use tw net when accounting for recycled tw 2009-02-26 03:35:13 -08:00
ip6_fib.c xfrm: select sane defaults for xfrm[4|6] gc_thresh 2009-07-30 18:52:15 -07:00
ip6_flowlabel.c ipv6: Disallow rediculious flowlabel option sizes. 2009-02-06 00:49:55 -08:00
ip6_input.c ipv6: correct return on ipv6_rcv() packet drop 2009-07-06 18:07:55 -07:00
ip6_output.c inet6: Conversion from u8 to int 2009-08-13 16:43:31 -07:00
ip6_tunnel.c net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functions 2009-07-05 19:16:04 -07:00
ip6mr.c net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functions 2009-07-05 19:16:04 -07:00
ipcomp6.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
ipv6_sockglue.c inet6: Set default traffic class 2009-08-13 16:43:32 -07:00
Kconfig trivial: Kconfig: .ko is normally not included in module names 2009-06-12 18:01:50 +02:00
Makefile [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
mcast.c mcastv6: Local variable shadows function argument 2009-07-21 11:13:25 -07:00
mip6.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
ndisc.c ipv6: Update Neighbor Cache when IPv6 RA is received on a router 2009-08-29 00:04:09 -07:00
netfilter.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
proc.c net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
protocol.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
raw.c inet6: Conversion from u8 to int 2009-08-13 16:43:31 -07:00
reassembly.c ipv6: Use frag list abstraction interfaces. 2009-06-09 00:20:05 -07:00
route.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
sit.c sit: allow ip fragmentation when using nopmtudisc to fix package loss 2009-08-28 23:53:53 -07:00
syncookies.c syncookies: remove last_synq_overflow from struct tcp_sock 2009-04-20 02:25:26 -07:00
sysctl_net_ipv6.c inet6: functions shadow global variable 2009-08-02 12:54:30 -07:00
tcp_ipv6.c tcp: Use correct peer adr when copying MD5 keys 2009-07-20 07:49:08 -07:00
tunnel6.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
udp.c inet6: Conversion from u8 to int 2009-08-13 16:43:31 -07:00
udp_impl.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
udplite.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
xfrm6_input.c netns xfrm: per-netns MIBs 2008-11-25 17:59:52 -08:00
xfrm6_mode_beet.c ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outer 2008-08-06 02:40:25 -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 [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm6_mode_tunnel.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm6_output.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm6_policy.c xfrm6: Fix xfrm6_policy.c build when SYSCTL disabled. 2009-08-04 20:32:16 -07:00
xfrm6_state.c ipv6: fix sparse warning: Using plain integer as NULL pointer 2009-02-21 23:37:10 -08:00
xfrm6_tunnel.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00