linux/net/ipv4
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
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
fib_frontend.c ipv4: add LINUX_MIB_IPRPFILTER snmp counter 2010-06-03 03:18:19 -07:00
fib_hash.c
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
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
inet_fragment.c
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
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
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
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
tcp_output.c tcp: tso_fragment() might avoid GFP_ATOMIC 2010-06-28 23:24:31 -07:00
tcp_probe.c
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
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
xfrm4_output.c
xfrm4_policy.c net-next: remove useless union keyword 2010-06-10 23:31:35 -07:00
xfrm4_state.c
xfrm4_tunnel.c