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fddc17defa
kernel_optimize_test/net/ipv6
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Eric Dumazet fddc17defa ipv6: udp: optimize unicast RX path 
We first locate the (local port) hash chain head
If few sockets are in this chain, we proceed with previous lookup algo.

If too many sockets are listed, we take a look at the secondary
(port, address) hash chain.

We choose the shortest chain and proceed with a RCU lookup on the elected chain.

But, if we chose (port, address) chain, and fail to find a socket on given address,
 we must try another lookup on (port, in6addr_any) chain to find sockets not bound
to a particular IP.

-> No extra cost for typical setups, where the first lookup will probabbly
be performed.

RCU lookups everywhere, we dont acquire spinlock.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-08 20:53:07 -08:00
..
netfilter netfilter: ip6t_eui: fix read outside array bounds 2009-08-31 15:30:31 +02:00
addrconf_core.c
addrconf.c net: Introduce for_each_netdev_rcu() iterator 2009-11-04 05:43:23 -08:00
addrlabel.c net: replace %p6 with %pI6 2008-10-29 12:52:50 -07:00
af_inet6.c net: check kern before calling security subsystem 2009-11-05 22:18:18 -08:00
ah6.c ah6: convert to ahash 2009-10-18 21:31:59 -07:00
anycast.c net: Introduce for_each_netdev_rcu() iterator 2009-11-04 05:43:23 -08:00
datagram.c ipv6: no more dev_put() in datagram_send_ctl() 2009-11-02 03:42:41 -08:00
esp6.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
exthdrs_core.c
exthdrs.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
fib6_rules.c net: Remove unused parameter from fill method in fib_rules_ops. 2009-05-20 17:26:23 -07:00
icmp.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
inet6_connection_sock.c net: IPv6 changes 2009-10-20 18:55:45 -07:00
inet6_hashtables.c inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
ip6_fib.c xfrm: select sane defaults for xfrm[4|6] gc_thresh 2009-07-30 18:52:15 -07:00
ip6_flowlabel.c ipv6: Disallow rediculious flowlabel option sizes. 2009-02-06 00:49:55 -08:00
ip6_input.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
ip6_output.c ip: Report qdisc packet drops 2009-09-02 18:05:33 -07:00
ip6_tunnel.c ip6tnl: less dev_put() calls 2009-11-02 03:42:40 -08:00
ip6mr.c ip6mr: Optimize multiple unregistration 2009-10-29 01:13:53 -07:00
ipcomp6.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
ipv6_sockglue.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-10-27 01:03:26 -07:00
Kconfig IPv6: Fix 6RD typo 2009-10-07 14:50:30 -07:00
Makefile
mcast.c bonding: remap muticast addresses without using dev_close() and dev_open() 2009-09-15 02:37:40 -07:00
mip6.c ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
ndisc.c make TLLAO option for NA packets configurable 2009-10-07 01:10:45 -07:00
netfilter.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
proc.c net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
protocol.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
raw.c ipv6: avoid dev_hold()/dev_put() in rawv6_bind() 2009-11-08 00:43:18 -08:00
reassembly.c ip_frag: dont touch device refcount 2009-11-05 22:34:22 -08:00
route.c IPv6: use ipv6_addr_copy() in ip6_route_redirect() 2009-10-07 13:58:01 -07:00
sit.c ipv6 sit: Optimize multiple unregistration 2009-10-29 01:13:51 -07:00
syncookies.c Allow tcp_parse_options to consult dst entry 2009-10-29 01:28:41 -07:00
sysctl_net_ipv6.c inet6: functions shadow global variable 2009-08-02 12:54:30 -07:00
tcp_ipv6.c net: drop capability from protocol definitions 2009-11-05 21:40:17 -08:00
tunnel6.c net: constify struct inet6_protocol 2009-09-14 17:03:05 -07:00
udp_impl.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
udp.c ipv6: udp: optimize unicast RX path 2009-11-08 20:53:07 -08:00
udplite.c net: drop capability from protocol definitions 2009-11-05 21:40:17 -08:00
xfrm6_input.c netns xfrm: per-netns MIBs 2008-11-25 17:59:52 -08:00
xfrm6_mode_beet.c ipsec: Interfamily IPSec BEET, ipv4-inner ipv6-outer 2008-08-06 02:40:25 -07:00
xfrm6_mode_ro.c
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm6_output.c net: skb->dst accessors 2009-06-03 02:51:04 -07:00
xfrm6_policy.c xfrm6: Fix xfrm6_policy.c build when SYSCTL disabled. 2009-08-04 20:32:16 -07:00
xfrm6_state.c ipv6: fix sparse warning: Using plain integer as NULL pointer 2009-02-21 23:37:10 -08:00
xfrm6_tunnel.c xfrm6_tunnel: RCU conversion 2009-10-24 06:07:57 -07:00