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89aef8921b
linux-kernel-test/net/ipv4
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David S. Miller 89aef8921b ipv4: Delete routing cache. 
The ipv4 routing cache is non-deterministic, performance wise, and is
subject to reasonably easy to launch denial of service attacks.

The routing cache works great for well behaved traffic, and the world
was a much friendlier place when the tradeoffs that led to the routing
cache's design were considered.

What it boils down to is that the performance of the routing cache is
a product of the traffic patterns seen by a system rather than being a
product of the contents of the routing tables.  The former of which is
controllable by external entitites.

Even for "well behaved" legitimate traffic, high volume sites can see
hit rates in the routing cache of only ~%10.

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-07-20 13:30:27 -07:00
..
netfilter Merge branch 'master' of git://1984.lsi.us.es/nf-next 2012-07-07 16:18:50 -07:00
af_inet.c net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN) 2012-07-19 11:02:03 -07:00
ah4.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
arp.c Revert "ipv4: tcp: dont cache unconfirmed intput dst" 2012-06-27 17:05:06 -07:00
cipso_ipv4.c cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
datagram.c
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: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
fib_frontend.c ipv4: Delete routing cache. 2012-07-20 13:30:27 -07:00
fib_lookup.h
fib_rules.c ipv4: Don't store a rule pointer in fib_result. 2012-07-13 08:21:29 -07:00
fib_semantics.c ipv4: fix rcu splat 2012-07-17 13:47:33 -07:00
fib_trie.c ipv4: Remove tb_peers from fib_table. 2012-07-12 09:39:28 -07:00
gre.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
icmp.c ipv4: Put proper checks into icmp_socket_deliver(). 2012-07-12 08:06:04 -07:00
igmp.c ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
inet_connection_sock.c ipv4: fix rcu splat 2012-07-17 13:47:33 -07:00
inet_diag.c net: make sock diag per-namespace 2012-07-16 22:31:34 -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 ipv4: Maintain redirect and PMTU info in struct rtable again. 2012-07-10 22:40:14 -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 net: Pass optional SKB and SK arguments to dst_ops->{update_pmtu,redirect}() 2012-07-17 03:29:28 -07:00
ip_input.c ipv4: Kill early demux method return value. 2012-06-27 22:01:22 -07:00
ip_options.c ipv4: optimize fib_compute_spec_dst call in ip_options_echo 2012-07-19 08:30:49 -07:00
ip_output.c ipv4: tcp: remove per net tcp_sock 2012-07-19 10:35:30 -07:00
ip_sockglue.c ipv4: Create and use fib_compute_spec_dst() helper. 2012-06-28 03:59:11 -07:00
ip_vti.c net/ipv4: VTI support new module for ip_vti. 2012-07-18 09:36:12 -07:00
ipcomp.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
ipconfig.c net/ipv4/ipconfig: neaten __setup placement 2012-05-20 04:06:16 -04:00
ipip.c net: Pass optional SKB and SK arguments to dst_ops->{update_pmtu,redirect}() 2012-07-17 03:29:28 -07:00
ipmr.c net: Fix (nearly-)kernel-doc comments for various functions 2012-07-10 23:13:45 -07:00
Kconfig net/ipv4: VTI support new module for ip_vti. 2012-07-18 09:36:12 -07:00
Makefile net-tcp: Fast Open base 2012-07-19 10:55:36 -07:00
netfilter.c net: Delete all remaining instances of ctl_path 2012-04-20 21:22:30 -04:00
ping.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
proc.c net-tcp: Fast Open client - sending SYN-data 2012-07-19 11:02:03 -07:00
protocol.c inet: Sanitize inet{,6} protocol demux. 2012-06-19 18:56:21 -07:00
raw.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
route.c ipv4: Delete routing cache. 2012-07-20 13:30:27 -07:00
syncookies.c net-tcp: Fast Open base 2012-07-19 10:55:36 -07:00
sysctl_net_ipv4.c net-tcp: Fast Open base 2012-07-19 10:55:36 -07:00
tcp_bic.c tcp: fix undo after RTO for BIC 2012-01-20 14:17:26 -05:00
tcp_cong.c tcp: fix ABC in tcp_slow_start() 2012-07-20 10:59:41 -07:00
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_fastopen.c net-tcp: Fast Open base 2012-07-19 10:55:36 -07:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_illinois.c
tcp_input.c tcp: Return bool instead of int where appropriate 2012-07-20 10:59:41 -07:00
tcp_ipv4.c net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN) 2012-07-19 11:02:03 -07:00
tcp_lp.c
tcp_memcontrol.c memcg: decrement static keys at real destroy time 2012-05-29 16:22:28 -07:00
tcp_metrics.c tcp: use hash_32() in tcp_metrics 2012-07-20 10:59:41 -07:00
tcp_minisocks.c net-tcp: Fast Open base 2012-07-19 10:55:36 -07:00
tcp_output.c tcp: improve latencies of timer triggered events 2012-07-20 10:59:41 -07:00
tcp_probe.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
tcp_scalable.c
tcp_timer.c tcp: improve latencies of timer triggered events 2012-07-20 10:59:41 -07:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c net-tcp: Fast Open client - sendmsg(MSG_FASTOPEN) 2012-07-19 11:02:03 -07:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp_diag.c net: make sock diag per-namespace 2012-07-16 22:31:34 -07:00
udp_impl.h ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
udp.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -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 net/ipv4: VTI support rx-path hook in xfrm4_mode_tunnel. 2012-07-18 09:36:12 -07:00
xfrm4_output.c
xfrm4_policy.c net: Pass optional SKB and SK arguments to dst_ops->{update_pmtu,redirect}() 2012-07-17 03:29:28 -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