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e6308be85a
linux/net/ipv4
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Robert Olsson e6308be85a [IPV4]: fib_trie root-node expansion 
The patch below introduces special thresholds to keep root node in the trie 
large. This gives a flatter tree at the cost of a modest memory increase.
Overall it seems to be gain and this was also proposed by one the authors 
of the paper in recent a seminar.

Main table after loading 123 k routes.

	Aver depth:     3.30
	Max depth:      9
        Root-node size  12 bits
        Total size: 4044  kB

With the patch:
	Aver depth:     2.78
	Max depth:      8
        Root-node size  15 bits
        Total size: 4150  kB

An increase of 8-10% was seen in forwading performance for an rDoS attack. 

Signed-off-by: Robert Olsson <robert.olsson@its.uu.se>
Signed-off-by: David S. Miller <davem@davemloft.net>
2005-10-04 13:01:58 -07:00
..
ipvs [IPVS]: ip_vs_ftp breaks connections using persistence 2005-09-14 21:08:51 -07:00
netfilter [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
af_inet.c [IPV4] fib_trie: fix proc interface 2005-09-09 13:35:42 -07:00
ah4.c [CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL 2005-09-01 17:44:29 -07:00
arp.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
datagram.c [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
devinet.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
esp4.c [CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL 2005-09-01 17:44:29 -07:00
fib_frontend.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
fib_hash.c [NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers 2005-08-29 16:11:18 -07:00
fib_lookup.h [IPV4]: Prepare FIB core for RCU. 2005-08-29 16:08:31 -07:00
fib_rules.c [NETLINK]: Correctly set NLM_F_MULTI without checking the pid 2005-06-18 22:54:12 -07:00
fib_semantics.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
fib_trie.c [IPV4]: fib_trie root-node expansion 2005-10-04 13:01:58 -07:00
icmp.c [IPV4]: Update icmp sysctl docs and disable broadcast ECHO/TIMESTAMP by default 2005-10-03 16:07:30 -07:00
igmp.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
inet_connection_sock.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
inet_diag.c [NETLINK]: Add "groups" argument to netlink_kernel_create 2005-08-29 16:01:11 -07:00
inet_hashtables.c [NET]: Introduce inet_connection_sock 2005-08-29 15:43:19 -07:00
inet_timewait_sock.c [INET]: speedup inet (tcp/dccp) lookups 2005-10-03 14:13:38 -07:00
inetpeer.c [PATCH] timer initialization cleanup: DEFINE_TIMER 2005-09-09 14:03:48 -07:00
ip_forward.c [IPV4]: Remove some dead code from ip_forward() 2005-08-29 16:03:06 -07:00
ip_fragment.c [IPV4]: Reassembly trim not clearing CHECKSUM_HW 2005-09-06 15:51:48 -07:00
ip_gre.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
ip_input.c [NET]: use __read_mostly on kmem_cache_t , DEFINE_SNMP_STAT pointers 2005-08-29 16:11:18 -07:00
ip_options.c [IP]: Introduce ip_options_get_from_user 2005-08-29 16:01:39 -07:00
ip_output.c [IPV4]: ip_finish_output() can be inlined 2005-08-29 16:03:10 -07:00
ip_sockglue.c [IP]: Introduce ip_options_get_from_user 2005-08-29 16:01:39 -07:00
ipcomp.c [CRYPTO]: crypto_free_tfm() callers no longer need to check for NULL 2005-09-01 17:44:29 -07:00
ipconfig.c [NET]: fix-up schedule_timeout() usage 2005-09-12 14:15:34 -07:00
ipip.c [NET]: fix oops after tunnel module unload 2005-07-30 17:46:44 -07:00
ipmr.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
Kconfig [INET_DIAG]: Move the tcp_diag interface to the proper place 2005-08-29 15:57:54 -07:00
Makefile [INET_DIAG]: Move the tcp_diag interface to the proper place 2005-08-29 15:57:54 -07:00
multipath_drr.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
multipath_random.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath_rr.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath_wrandom.c [IPV4]: Multipath modules need a license to prevent kernel tainting. 2005-06-13 14:29:06 -07:00
multipath.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
netfilter.c [NETFILTER]: Move reroute-after-queue code up to the nf_queue layer. 2005-08-29 15:36:19 -07:00
proc.c [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
protocol.c [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
raw.c [PATCH] raw_sendmsg DoS on 2.6 2005-09-19 18:45:42 -07:00
route.c [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
syncookies.c [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
sysctl_net_ipv4.c [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
tcp_bic.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_cong.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_diag.c [INET_DIAG]: Move the tcp_diag interface to the proper place 2005-08-29 15:57:54 -07:00
tcp_highspeed.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_htcp.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_hybla.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_input.c [TCP]: Don't over-clamp window in tcp_clamp_window() 2005-09-29 17:17:15 -07:00
tcp_ipv4.c [INET]: speedup inet (tcp/dccp) lookups 2005-10-03 14:13:38 -07:00
tcp_minisocks.c [TCP]: Set default congestion control correctly for incoming connections. 2005-09-21 00:19:46 -07:00
tcp_output.c [TCP]: Revert 6b251858d3 2005-09-29 17:07:20 -07:00
tcp_scalable.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_timer.c [ICSK]: Move TCP congestion avoidance members to icsk 2005-08-29 15:56:18 -07:00
tcp_vegas.c [INET_DIAG]: Rename tcp_diag.[ch] to inet_diag.[ch] 2005-08-29 15:57:48 -07:00
tcp_westwood.c [INET_DIAG]: Rename tcp_diag.[ch] to inet_diag.[ch] 2005-08-29 15:57:48 -07:00
tcp.c [TCP]: Fix TCP_OFF() bug check introduced by previous change. 2005-09-05 18:55:48 -07:00
udp.c [IPV4] udp: trim forgets about CHECKSUM_HW 2005-09-08 12:32:21 -07:00
xfrm4_input.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
xfrm4_output.c [IPSEC]: Add XFRM_STATE_NOPMTUDISC flag 2005-06-20 13:21:43 -07:00
xfrm4_policy.c [IPSEC]: Store idev entries 2005-05-03 16:27:10 -07:00
xfrm4_state.c [IPV4]: possible cleanups 2005-08-29 15:33:20 -07:00
xfrm4_tunnel.c [NET]: Make ipip/ip6_tunnel independant of XFRM 2005-07-19 14:03:34 -07:00