linux/net/core
Eric Dumazet 61c1db7fae ipv6: sit: add GSO/TSO support
Now ipv6_gso_segment() is stackable, its relatively easy to
implement GSO/TSO support for SIT tunnels

Performance results, when segmentation is done after tunnel
device (as no NIC is yet enabled for TSO SIT support) :

Before patch :

lpq84:~# ./netperf -H 2002:af6:1153:: -Cc
MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to 2002:af6:1153:: () port 0 AF_INET6
Recv   Send    Send                          Utilization       Service Demand
Socket Socket  Message  Elapsed              Send     Recv     Send    Recv
Size   Size    Size     Time     Throughput  local    remote   local   remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

 87380  16384  16384    10.00      3168.31   4.81     4.64     2.988   2.877

After patch :

lpq84:~# ./netperf -H 2002:af6:1153:: -Cc
MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to 2002:af6:1153:: () port 0 AF_INET6
Recv   Send    Send                          Utilization       Service Demand
Socket Socket  Message  Elapsed              Send     Recv     Send    Recv
Size   Size    Size     Time     Throughput  local    remote   local   remote
bytes  bytes   bytes    secs.    10^6bits/s  % S      % S      us/KB   us/KB

 87380  16384  16384    10.00      5525.00   7.76     5.17     2.763   1.840

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-10-21 18:49:39 -04:00
..
datagram.c net: use skb_copy_datagram_from_iovec() in zerocopy_sg_from_iovec() 2013-08-07 16:52:38 -07:00
dev_addr_lists.c net/core: dev_mc_sync_multiple calls wrong helper 2013-05-31 16:56:56 -07:00
dev_ioctl.c net: fix kernel deadlock with interface rename and netdev name retrieval. 2013-06-26 13:42:54 -07:00
dev.c ipv4: gso: make inet_gso_segment() stackable 2013-10-19 19:36:18 -04:00
drop_monitor.c net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
dst.c net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
ethtool.c ipv6: sit: add GSO/TSO support 2013-10-21 18:49:39 -04:00
fib_rules.c fib_rules: fix suppressor names and default values 2013-08-03 10:40:23 -07:00
filter.c net: fix unsafe set_memory_rw from softirq 2013-10-07 15:16:45 -04:00
flow_dissector.c flow_dissector: factor out the ports extraction in skb_flow_get_ports 2013-10-03 15:36:37 -04:00
flow.c net: delete __cpuinit usage from all net files 2013-07-14 19:36:58 -04:00
gen_estimator.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
gen_stats.c net_sched: add 64bit rate estimators 2013-06-11 02:51:03 -07:00
iovec.c net: move iov_pages() to net/core/iovec.c 2013-08-07 16:52:33 -07:00
link_watch.c net: make all team port device link events urgent 2013-06-13 02:31:41 -07:00
Makefile
neighbour.c net: neighbour: use source address of last enqueued packet for solicitation 2013-09-26 13:46:10 -04:00
net_namespace.c userns: Kill nsown_capable it makes the wrong thing easy 2013-08-30 23:44:11 -07:00
net-procfs.c rps: selective flow shedding during softnet overflow 2013-05-20 13:48:04 -07:00
net-sysfs.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2013-09-07 14:35:32 -07:00
net-sysfs.h
net-traces.c
netevent.c
netpoll.c netpoll: fix NULL pointer dereference in netpoll_cleanup 2013-09-19 14:15:53 -04:00
netprio_cgroup.c cgroup: netprio: remove unnecessary task_netprioidx 2013-10-08 16:27:34 -04:00
pktgen.c pktgen: add needed include file 2013-07-29 00:47:14 -07:00
request_sock.c
rtnetlink.c dev: update __dev_notify_flags() to send rtnl msg 2013-09-30 15:08:12 -04:00
scm.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2013-09-07 14:35:32 -07:00
secure_seq.c net: switch net_secret key generation to net_get_random_once 2013-10-19 19:45:36 -04:00
skbuff.c net: generalize skb_segment() 2013-10-19 19:36:18 -04:00
sock_diag.c sock_diag: fix filter code sent to userspace 2013-06-10 22:23:32 -07:00
sock.c net: refactor sk_page_frag_refill() 2013-10-18 00:08:51 -04:00
stream.c net: add sk_stream_is_writeable() helper 2013-07-24 17:54:48 -07:00
sysctl_net_core.c qdisc: allow setting default queuing discipline 2013-08-31 00:32:32 -04:00
timestamping.c
user_dma.c
utils.c net: introduce new macro net_get_random_once 2013-10-19 19:45:35 -04:00