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61c1db7fae
linux/net/ipv4
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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
..
netfilter netfilter: nf_tables: add ARP filtering support 2013-10-14 18:01:03 +02:00
af_inet.c ipv6: sit: add GSO/TSO support 2013-10-21 18:49:39 -04:00
ah4.c ipv4: properly refresh rtable entries on pmtu/redirect events 2013-06-03 00:07:42 -07:00
arp.c net: neighbour: Remove CONFIG_ARPD 2013-09-03 21:41:43 -04:00
cipso_ipv4.c cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
datagram.c ipv4: Add a socket release callback for datagram sockets 2013-01-21 14:17:05 -05:00
devinet.c net: igmp: Allow user-space configuration of igmp unsolicited report interval 2013-08-09 11:27:46 -07:00
esp4.c net: esp{4,6}: fix potential MTU calculation overflows 2013-08-05 12:26:50 -07:00
fib_frontend.c fib_trie: remove duplicated rcu lock 2013-10-18 13:53:59 -04:00
fib_lookup.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
fib_rules.c fib_rules: fix suppressor names and default values 2013-08-03 10:40:23 -07:00
fib_semantics.c fib: Use const struct nl_info * in rtmsg_fib 2013-10-18 14:42:15 -04:00
fib_trie.c fib_trie: only calc for the un-first node 2013-10-10 00:08:07 -04:00
gre_demux.c ipv4: generalize gre_handle_offloads 2013-10-19 19:36:18 -04:00
gre_offload.c ipip: add GSO/TSO support 2013-10-19 19:36:19 -04:00
icmp.c ipv4: processing ancillary IP_TOS or IP_TTL 2013-09-28 15:21:52 -07:00
igmp.c ipv4 igmp: use in_dev_put in timer handlers instead of __in_dev_put 2013-09-30 22:28:56 -07:00
inet_connection_sock.c inet: rename ir_loc_port to ir_num 2013-10-10 14:37:35 -04:00
inet_diag.c inet_diag: use sock_gen_put() 2013-10-17 15:02:02 -04:00
inet_fragment.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
inet_hashtables.c inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once 2013-10-19 19:45:35 -04:00
inet_lro.c ipv4: replace ip_fast_csum with csum_replace2 2013-03-15 09:12:25 -04:00
inet_timewait_sock.c tcp/dccp: remove twchain 2013-10-08 23:19:24 -04:00
inetpeer.c ip: generate unique IP identificator if local fragmentation is allowed 2013-09-19 14:11:15 -04:00
ip_forward.c ipv4: introduce rt_uses_gateway 2012-10-08 17:42:36 -04:00
ip_fragment.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-22 20:32:51 -04:00
ip_gre.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-08-16 15:37:26 -07:00
ip_input.c net: add SNMP counters tracking incoming ECN bits 2013-08-08 22:24:59 -07:00
ip_options.c net/ipv4: Ensure that location of timestamp option is stored 2013-03-12 05:35:39 -04:00
ip_output.c ipv4: processing ancillary IP_TOS or IP_TTL 2013-09-28 15:21:52 -07:00
ip_sockglue.c net: ipv4 only populate IP_PKTINFO when needed 2013-10-08 16:27:33 -04:00
ip_tunnel_core.c ipv4: generalize gre_handle_offloads 2013-10-19 19:36:18 -04:00
ip_tunnel.c ip_tunnel: Remove double unregister of the fallback device 2013-10-01 12:42:16 -04:00
ip_vti.c {ipv4,xfrm}: Introduce xfrm_tunnel_notifier for xfrm tunnel mode callback 2013-08-28 09:22:17 +02:00
ipcomp.c ipv4: properly refresh rtable entries on pmtu/redirect events 2013-06-03 00:07:42 -07:00
ipconfig.c ipconfig: add informative timeout messages while waiting for carrier 2013-04-02 14:35:33 -04:00
ipip.c ipip: add GSO/TSO support 2013-10-19 19:36:19 -04:00
ipmr.c ip: generate unique IP identificator if local fragmentation is allowed 2013-09-19 14:11:15 -04:00
Kconfig net: neighbour: Remove CONFIG_ARPD 2013-09-03 21:41:43 -04:00
Makefile net: gre: move GSO functions to gre_offload 2013-07-03 14:37:39 -07:00
netfilter.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
ping.c net: fix build errors if ipv6 is disabled 2013-10-09 13:04:03 -04:00
proc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-08-16 15:37:26 -07:00
protocol.c ipv4: Disallow non-namespace aware protocols to register. 2013-02-05 14:42:23 -05:00
raw.c net: ipv4 only populate IP_PKTINFO when needed 2013-10-08 16:27:33 -04:00
route.c ipv4: shrink rt_cache_stat 2013-10-17 16:11:04 -04:00
syncookies.c inet: split syncookie keys for ipv4 and ipv6 and initialize with net_get_random_once 2013-10-19 19:45:35 -04:00
sysctl_net_ipv4.c ipv4: Allow unprivileged users to use per net sysctls 2013-10-21 18:43:03 -04:00
tcp_bic.c
tcp_cong.c tcp: remove Appropriate Byte Count support 2013-02-05 14:51:16 -05:00
tcp_cubic.c tcp: cubic: fix bug in bictcp_acked() 2013-08-07 10:35:08 -07:00
tcp_diag.c
tcp_fastopen.c tcp: switch tcp_fastopen key generation to net_get_random_once 2013-10-19 19:45:35 -04:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_illinois.c net: fix divide by zero in tcp algorithm illinois 2012-11-01 11:55:59 -04:00
tcp_input.c tcp: use ACCESS_ONCE() in tcp_update_pacing_rate() 2013-10-10 00:08:07 -04:00
tcp_ipv4.c tcp_memcontrol: Remove the per netns control. 2013-10-21 18:43:02 -04:00
tcp_lp.c
tcp_memcontrol.c tcp_memcontrol: Kill struct tcp_memcontrol 2013-10-21 18:43:02 -04:00
tcp_metrics.c inet: includes a sock_common in request_sock 2013-10-10 00:08:07 -04:00
tcp_minisocks.c ipv6: make lookups simpler and faster 2013-10-09 00:01:25 -04:00
tcp_offload.c ipv6: sit: add GSO/TSO support 2013-10-21 18:49:39 -04:00
tcp_output.c tcp: remove redundant code in __tcp_retransmit_skb() 2013-10-18 16:22:00 -04:00
tcp_probe.c ipv6: make lookups simpler and faster 2013-10-09 00:01:25 -04:00
tcp_scalable.c
tcp_timer.c ipv6: make lookups simpler and faster 2013-10-09 00:01:25 -04:00
tcp_vegas.c
tcp_vegas.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
tcp_veno.c
tcp_westwood.c tcp: refactor F-RTO 2013-03-21 11:47:50 -04:00
tcp_yeah.c
tcp.c tcp_memcontrol: Remove the per netns control. 2013-10-21 18:43:02 -04:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp_diag.c netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c ipip: add GSO/TSO support 2013-10-19 19:36:19 -04:00
udp.c inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once 2013-10-19 19:45:35 -04:00
udplite.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
xfrm4_input.c net: Add skb_unclone() helper function. 2013-02-15 15:10:37 -05:00
xfrm4_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2013-09-30 15:24:57 -04:00
xfrm4_output.c xfrm: revert ipv4 mtu determination to dst_mtu 2013-08-26 12:40:53 +02:00
xfrm4_policy.c xfrm: make gc_thresh configurable in all namespaces 2013-02-06 11:36:29 +01:00
xfrm4_state.c xfrm: make local error reporting more robust 2013-08-14 13:07:12 +02:00
xfrm4_tunnel.c sit: add IPv4 over IPv4 support 2013-05-31 17:19:05 -07:00