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linux/net/ipv4
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David S. Miller 1fc050a134 ipv4: Cache source address in nexthop entries. 
When doing output route lookups, we have to select the source address
if the user has not specified an explicit one.

First, if the route has an explicit preferred source address
specified, then we use that.

Otherwise we search the route's outgoing interface for a suitable
address.

This search can be precomputed and cached at route insertion time.

The only missing part is that we have to refresh this precomputed
value any time addresses are added or removed from the interface, and
this is accomplished by fib_update_nh_saddrs().

Signed-off-by: David S. Miller <davem@davemloft.net>
 		2011-03-07 20:54:48 -08:00
..
netfilter Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-02-04 14:28:58 -08:00
Kconfig ipv4: Remove fib_hash. 2011-02-01 15:35:25 -08:00
Makefile ipv4: Remove fib_hash. 2011-02-01 15:35:25 -08:00
af_inet.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
ah4.c ipsec: allow to align IPv4 AH on 32 bits 2011-02-08 14:00:40 -08:00
arp.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
cipso_ipv4.c
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datagram.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
devinet.c ipv4: Fix __ip_dev_find() to use ifa_local instead of ifa_address. 2011-03-03 11:24:19 -08:00
esp4.c
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fib_frontend.c ipv4: Cache source address in nexthop entries. 2011-03-07 20:54:48 -08:00
fib_lookup.h ipv4: Inline fib_semantic_match into check_leaf 2011-03-07 15:19:39 -08:00
fib_rules.c ipv4: Use const'ify fib_result deep in the route call chains. 2011-02-17 15:54:42 -08:00
fib_semantics.c ipv4: Cache source address in nexthop entries. 2011-03-07 20:54:48 -08:00
fib_trie.c ipv4: Inline fib_semantic_match into check_leaf 2011-03-07 15:19:39 -08:00
gre.c
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icmp.c ipv4: Remove flowi from struct rtable. 2011-03-04 21:55:31 -08:00
igmp.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
inet_connection_sock.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
inet_diag.c Revert "netlink: test for all flags of the NLM_F_DUMP composite" 2011-01-19 13:34:20 -08:00
inet_fragment.c
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inet_hashtables.c
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inet_lro.c
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inet_timewait_sock.c tcp: fix inet_twsk_deschedule() 2011-02-19 18:59:04 -08:00
inetpeer.c inetpeer: seqlock optimization 2011-03-04 14:33:59 -08:00
ip_forward.c
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ip_fragment.c
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ip_gre.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
ip_input.c
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ip_options.c
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ip_output.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
ip_sockglue.c
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ipcomp.c
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ipconfig.c
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ipip.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
ipmr.c ipv4: Remove flowi from struct rtable. 2011-03-04 21:55:31 -08:00
netfilter.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
proc.c
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protocol.c
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raw.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
route.c ipv4: Remove flowi from struct rtable. 2011-03-04 21:55:31 -08:00
syncookies.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
sysctl_net_ipv4.c
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tcp.c tcp: Remove debug macro of TCP_CHECK_TIMER 2011-02-20 11:10:14 -08:00
tcp_bic.c
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tcp_cong.c
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tcp_cubic.c
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tcp_diag.c
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tcp_highspeed.c
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tcp_htcp.c
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tcp_hybla.c
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tcp_illinois.c
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tcp_input.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-03-03 21:27:42 -08:00
tcp_ipv4.c ipv4: Make output route lookup return rtable directly. 2011-03-02 14:31:35 -08:00
tcp_lp.c
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tcp_minisocks.c
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tcp_output.c tcp: undo_retrans counter fixes 2011-02-21 11:31:18 -08:00
tcp_probe.c
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tcp_scalable.c
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tcp_timer.c tcp: Remove debug macro of TCP_CHECK_TIMER 2011-02-20 11:10:14 -08:00
tcp_vegas.c
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tcp_vegas.h
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tcp_veno.c
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tcp_westwood.c
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tcp_yeah.c
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tunnel4.c
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udp.c ipv4: Fix crash in dst_release when udp_sendmsg route lookup fails. 2011-03-03 10:38:01 -08:00
udp_impl.h
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udplite.c
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xfrm4_input.c
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xfrm4_mode_beet.c
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xfrm4_mode_transport.c
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xfrm4_mode_tunnel.c
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xfrm4_output.c
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xfrm4_policy.c ipv4: Remove flowi from struct rtable. 2011-03-04 21:55:31 -08:00
xfrm4_state.c xfrm: Const'ify tmpl and address arguments to ->init_temprop() 2011-02-23 23:07:37 -08:00
xfrm4_tunnel.c
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