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d6bebca92c
linux/net/ipv4
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Changli Gao d6bebca92c fragment: add fast path for in-order fragments 
add fast path for in-order fragments

As the fragments are sent in order in most of OSes, such as Windows, Darwin and
FreeBSD, it is likely the new fragments are at the end of the inet_frag_queue.
In the fast path, we check if the skb at the end of the inet_frag_queue is the
prev we expect.

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
 include/net/inet_frag.h |    1 +
 net/ipv4/ip_fragment.c  |   12 ++++++++++++
 net/ipv6/reassembly.c   |   11 +++++++++++
 3 files changed, 24 insertions(+)
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-06-30 13:44:29 -07:00
..
netfilter net - IP_NODEFRAG option for IPv4 socket 2010-06-23 13:16:38 -07:00
af_inet.c snmp: 64bit ipstats_mib for all arches 2010-06-30 13:31:19 -07:00
ah4.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
arp.c arp: RCU change in arp_solicit() 2010-06-25 21:33:16 -07:00
cipso_ipv4.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
datagram.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
devinet.c arp_notify: allow drivers to explicitly request a notification event. 2010-05-31 00:27:44 -07:00
esp4.c xfrm: SA lookups signature with mark 2010-02-22 16:20:22 -08:00
fib_frontend.c ipv4: add LINUX_MIB_IPRPFILTER snmp counter 2010-06-03 03:18:19 -07:00
fib_hash.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fib_lookup.h
fib_rules.c net: rtnetlink: decouple rtnetlink address families from real address families 2010-04-26 16:13:54 +02:00
fib_semantics.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
fib_trie.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
icmp.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
igmp.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
inet_connection_sock.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
inet_diag.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
inet_fragment.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
inet_hashtables.c net: reserve ports for applications using fixed port numbers 2010-05-15 23:28:40 -07:00
inet_lro.c
inet_timewait_sock.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
inetpeer.c inetpeer: restore small inet_peer structures 2010-06-16 11:55:39 -07:00
ip_forward.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
ip_fragment.c fragment: add fast path for in-order fragments 2010-06-30 13:44:29 -07:00
ip_gre.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
ip_input.c net: use this_cpu_ptr() 2010-06-28 23:24:29 -07:00
ip_options.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
ip_output.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-06-23 18:26:27 -07:00
ip_sockglue.c net - IP_NODEFRAG option for IPv4 socket 2010-06-23 13:16:38 -07:00
ipcomp.c xfrm: SA lookups signature with mark 2010-02-22 16:20:22 -08:00
ipconfig.c ipconfig: send host-name in DHCP requests 2010-06-02 07:05:03 -07:00
ipip.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
ipmr.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-06-11 13:32:31 -07:00
Kconfig syncookies: remove Kconfig text line about disabled-by-default 2010-06-04 15:56:01 -07:00
Makefile
netfilter.c Merge branch 'master' of /repos/git/net-next-2.6 2010-06-15 17:31:06 +02:00
proc.c snmp: 64bit ipstats_mib for all arches 2010-06-30 13:31:19 -07:00
protocol.c
raw.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
route.c inetpeer: restore small inet_peer structures 2010-06-16 11:55:39 -07:00
syncookies.c syncookies: add support for ECN 2010-06-26 22:00:03 -07:00
sysctl_net_ipv4.c net: reserve ports for applications using fixed port numbers 2010-05-15 23:28:40 -07:00
tcp_bic.c
tcp_cong.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
tcp_cubic.c
tcp_diag.c
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c TCP: tcp_hybla: Fix integer overflow in slow start increment 2010-06-02 07:15:48 -07:00
tcp_illinois.c
tcp_input.c tcp: unify tcp flag macros 2010-06-15 11:56:19 -07:00
tcp_ipv4.c syncookies: add support for ECN 2010-06-26 22:00:03 -07:00
tcp_lp.c
tcp_minisocks.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
tcp_output.c tcp: tso_fragment() might avoid GFP_ATOMIC 2010-06-28 23:24:31 -07:00
tcp_probe.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
tcp_scalable.c
tcp_timer.c TCP: avoid to send keepalive probes if receiving data 2010-04-27 12:53:25 -07:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c net: use this_cpu_ptr() 2010-06-28 23:24:29 -07:00
tunnel4.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
udp_impl.h
udp.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
udplite.c
xfrm4_input.c net: Use ip_route_input_noref() in input path 2010-05-17 17:18:51 -07:00
xfrm4_mode_beet.c
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
xfrm4_output.c netfilter: ipv4: use NFPROTO values for NF_HOOK invocation 2010-03-25 16:00:30 +01:00
xfrm4_policy.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
xfrm4_state.c
xfrm4_tunnel.c