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f4530fa574
linux/net/ipv4
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David S. Miller f4530fa574 ipv4: Avoid overhead when no custom FIB rules are installed. 
If the user hasn't actually installed any custom rules, or fiddled
with the default ones, don't go through the whole FIB rules layer.

It's just pure overhead.

Instead do what we do with CONFIG_IP_MULTIPLE_TABLES disabled, check
the individual tables by hand, one by one.

Also, move fib_num_tclassid_users into the ipv4 network namespace.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-05 22:13:13 -07:00
..
netfilter netlink: add netlink_kernel_cfg parameter to netlink_kernel_create 2012-06-29 16:46:02 -07:00
af_inet.c ipv4: Early TCP socket demux. 2012-06-19 21:22:05 -07:00
ah4.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
arp.c Revert "ipv4: tcp: dont cache unconfirmed intput dst" 2012-06-27 17:05:06 -07:00
cipso_ipv4.c ipv4: Convert call_rcu() to kfree_rcu(), drop opt_kfree_rcu() 2012-02-21 09:03:31 -08:00
datagram.c ipv4: Lock socket and use cork flow in ip4_datagram_connect(). 2011-05-08 13:48:57 -07:00
devinet.c ipv4: Add interface option to enable routing of 127.0.0.0/8 2012-06-12 15:25:46 -07:00
esp4.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
fib_frontend.c ipv4: Avoid overhead when no custom FIB rules are installed. 2012-07-05 22:13:13 -07:00
fib_lookup.h ipv4: Fix nexthop caching wrt. scoping. 2011-03-24 18:06:47 -07:00
fib_rules.c ipv4: Avoid overhead when no custom FIB rules are installed. 2012-07-05 22:13:13 -07:00
fib_semantics.c ipv4: Avoid overhead when no custom FIB rules are installed. 2012-07-05 22:13:13 -07:00
fib_trie.c inet: Add inetpeer tree roots to the FIB tables. 2012-06-11 02:09:16 -07:00
gre.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
icmp.c ipv4: Create and use fib_compute_spec_dst() helper. 2012-06-28 03:59:11 -07:00
igmp.c ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
inet_connection_sock.c ipv4: tcp: dont cache output dst for syncookies 2012-06-22 21:47:33 -07:00
inet_diag.c inet_diag: Do not use RTA_PUT() macros 2012-06-27 15:36:44 -07:00
inet_fragment.c inetpeer: add parameter net for inet_getpeer_v4,v6 2012-06-08 14:27:23 -07:00
inet_hashtables.c ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
inet_lro.c net: add skb frag size accessors 2011-10-19 03:10:46 -04:00
inet_timewait_sock.c net: ipv4 and ipv6: Convert printk(KERN_DEBUG to pr_debug 2012-05-16 01:01:03 -04:00
inetpeer.c inetpeer: inetpeer_invalidate_tree() cleanup 2012-06-20 14:38:55 -07:00
ip_forward.c snmp: fix OutOctets counter to include forwarded datagrams 2012-06-07 14:50:56 -07:00
ip_fragment.c Revert "ipv4: tcp: dont cache unconfirmed intput dst" 2012-06-27 17:05:06 -07:00
ip_gre.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
ip_input.c ipv4: Kill early demux method return value. 2012-06-27 22:01:22 -07:00
ip_options.c ipv4: defer fib_compute_spec_dst() call 2012-07-05 03:03:32 -07:00
ip_output.c net: Do delayed neigh confirmation. 2012-07-05 01:03:06 -07:00
ip_sockglue.c ipv4: Create and use fib_compute_spec_dst() helper. 2012-06-28 03:59:11 -07:00
ipcomp.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
ipconfig.c net/ipv4/ipconfig: neaten __setup placement 2012-05-20 04:06:16 -04:00
ipip.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
ipmr.c ipmr: Do not use RTA_PUT() macros 2012-06-27 15:36:44 -07:00
Kconfig net: delete all instances of special processing for token ring 2012-05-15 20:14:35 -04:00
Makefile tcp memory pressure controls 2011-12-12 19:04:10 -05:00
netfilter.c net: Delete all remaining instances of ctl_path 2012-04-20 21:22:30 -04:00
ping.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
proc.c tcp: reduce out_of_order memory use 2012-03-19 16:53:08 -04:00
protocol.c inet: Sanitize inet{,6} protocol demux. 2012-06-19 18:56:21 -07:00
raw.c ipv4: Handle PMTU in all ICMP error handlers. 2012-06-14 22:22:07 -07:00
route.c ipv4: No need to set generic neighbour pointer. 2012-07-05 02:41:59 -07:00
syncookies.c tcp: fix syncookie regression 2012-03-11 15:52:12 -07:00
sysctl_net_ipv4.c ipv4: Add sysctl knob to control early socket demux 2012-06-22 17:11:13 -07:00
tcp_bic.c tcp: fix undo after RTO for BIC 2012-01-20 14:17:26 -05:00
tcp_cong.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_cubic.c tcp: fix undo after RTO for CUBIC 2012-01-20 14:17:26 -05:00
tcp_diag.c inet_diag: Rename inet_diag_req into inet_diag_req_v2 2012-01-11 12:56:06 -08:00
tcp_highspeed.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_htcp.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_hybla.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_illinois.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_input.c net: Do delayed neigh confirmation. 2012-07-05 01:03:06 -07:00
tcp_ipv4.c ipv4: Show that ip_send_reply() is purely unicast routine. 2012-06-28 03:21:41 -07:00
tcp_lp.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tcp_memcontrol.c memcg: decrement static keys at real destroy time 2012-05-29 16:22:28 -07:00
tcp_minisocks.c ipv4: Early TCP socket demux. 2012-06-19 21:22:05 -07:00
tcp_output.c tcp: tcp_make_synack() consumes dst parameter 2012-06-04 11:27:39 -04:00
tcp_probe.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
tcp_scalable.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_timer.c tcp: early retransmit: delayed fast retransmit 2012-05-02 20:56:10 -04:00
tcp_vegas.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_vegas.h
tcp_veno.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_westwood.c tcp: mark tcp_congestion_ops read_mostly 2011-03-10 00:40:17 -08:00
tcp_yeah.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tcp.c mm: add a low limit to alloc_large_system_hash 2012-05-24 00:28:21 -04:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp_diag.c udp_diag: implement idiag_get_info for udp/udplite to get queue information 2012-04-25 20:43:01 -04:00
udp_impl.h ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
udp.c net: skb_free_datagram_locked() doesnt drop all packets 2012-06-27 15:40:57 -07:00
udplite.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
xfrm4_input.c Revert "ipv4: tcp: dont cache unconfirmed intput dst" 2012-06-27 17:05:06 -07:00
xfrm4_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm4_output.c xfrm4: Don't call icmp_send on local error 2011-07-01 17:33:19 -07:00
xfrm4_policy.c ipv4: Kill rt->rt_spec_dst, no longer used. 2012-06-28 04:05:27 -07:00
xfrm4_state.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
xfrm4_tunnel.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00