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David S. Miller 1e493d1946 ipv6: On interface down/unregister, purge icmp routes too. 
Johannes Berg reported that occaisionally, bringing an interface
down or unregistering it would hang for up to 30 seconds.  Using
debugging output he provided it became clear that ICMP6 routes
were the culprit.

The problem is that ICMP6 routes live in their own world totally
separate from normal ipv6 routes.  So there are all kinds of special
cases throughout the ipv6 code to handle this.

While we should really try to unify all of this stuff somehow,
for the time being let's fix this by purging the ICMP6 routes
that match the device in question during rt6_ifdown().

Signed-off-by: David S. Miller <davem@davemloft.net>
 		2008-09-10 23:39:28 -07:00
..
netfilter netfilter: ip{,6}tables_security: fix future section mismatch 2008-07-26 17:48:38 -07:00
Kconfig ipsec: ipcomp - Merge IPComp implementations 2008-07-25 02:54:40 -07:00
Makefile [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
addrconf.c ipv6: protocol for address routes 2008-08-23 05:16:46 -07:00
addrconf_core.c [IPV6]: ipv6_addr_type() doesn't know about RFC4193 addresses. 2007-07-31 02:28:21 -07:00
addrlabel.c ipv6 netns: Address labels per namespace 2008-06-12 02:38:15 +09:00
af_inet6.c net: missing bits of net-namespace / sysctl 2008-07-27 04:40:51 -07:00
ah6.c [IPSEC]: Fix bogus usage of u64 on input sequence number 2008-02-12 22:50:35 -08:00
anycast.c ipv6 netns: Make several "global" sysctl variables namespace aware. 2008-07-19 22:35:03 -07:00
datagram.c IPv6: datagram_send_ctl() should exit immediately when an error occured 2008-07-29 23:57:58 -07:00
esp6.c ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outer 2008-08-06 02:40:25 -07:00
exthdrs.c ipv6 netns: Make several "global" sysctl variables namespace aware. 2008-07-19 22:35:03 -07:00
exthdrs_core.c [NET] IPV6: Fix whitespace errors. 2007-02-10 23:19:42 -08:00
fib6_rules.c netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
icmp.c icmp: icmp_sk() should not use smp_processor_id() in preemptible code 2008-08-23 04:43:33 -07:00
inet6_connection_sock.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
inet6_hashtables.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
ip6_fib.c netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
ip6_flowlabel.c [IPV6] NETNS: Handle ancillary data in appropriate namespace. 2008-06-05 04:02:36 +09:00
ip6_input.c ipv6 netns: Make several "global" sysctl variables namespace aware. 2008-07-19 22:35:03 -07:00
ip6_output.c ipv6: Fix OOPS in ip6_dst_lookup_tail(). 2008-09-09 13:51:35 -07:00
ip6_tunnel.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
ip6mr.c netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
ipcomp6.c ipcomp: Fix warnings after ipcomp consolidation. 2008-07-27 03:59:24 -07:00
ipv6_sockglue.c ipv6: Fix the return interface index when get it while no message is received. 2008-08-17 23:21:52 -07:00
mcast.c ipv6 mcast: Omit redundant address family checks in ip6_mc_source(). 2008-07-19 22:36:07 -07:00
mip6.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
ndisc.c netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
netfilter.c [NETFILTER]: Add partial checksum validation helper 2008-04-14 11:15:49 +02:00
proc.c ipv6: Fix useless proc net sockstat6 removal 2008-07-30 03:27:52 -07:00
protocol.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
raw.c ipv6: When we droped a packet, we should return NET_RX_DROP instead of 0 2008-08-29 14:27:51 -07:00
reassembly.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
route.c ipv6: On interface down/unregister, purge icmp routes too. 2008-09-10 23:39:28 -07:00
sit.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-16 18:25:48 -07:00
syncookies.c ipv6: syncookies: free reqsk on xfrm_lookup error 2008-08-03 18:13:44 -07:00
sysctl_net_ipv6.c ipv6: sysctl fixes 2008-08-25 15:18:15 -07:00
tcp_ipv6.c netns : fix kernel panic in timewait socket destruction 2008-09-08 13:17:27 -07:00
tunnel6.c [IPV6] TUNNEL6: Fix incoming packet length check for inter-protocol tunnel. 2008-06-05 04:02:32 +09:00
udp.c udp: Drop socket lock for encapsulated packets 2008-08-09 00:35:05 -07:00
udp_impl.h net: change proto destroy method to return void 2008-06-14 17:04:49 -07:00
udplite.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
xfrm6_input.c [XFRM] IPV6: Optimize xfrm6_input_addr(). 2008-03-25 10:23:56 +09:00
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 [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 netns: Add network namespace argument to rt6_fill_node() and ipv6_dev_get_saddr() 2008-08-14 15:33:21 -07:00
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