netdev - [PATCH net-next 0/3] ipv6: sit: Implement TSO/GSO support

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Date:	Sun, 20 Oct 2013 20:47:28 -0700
From:	Eric Dumazet <edumazet@...gle.com>
To:	"David S. Miller" <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, Jerry Chu <hkchu@...gle.com>,
	Eilon Greenstein <eilong@...adcom.com>,
	Erik Kline <ek@...gle.com>, Tom Herbert <therbert@...gle.com>,
	Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next 0/3] ipv6: sit: Implement TSO/GSO support

This patch serie implements GSO/TSO support for SIT tunnels

Broadcom bnx2x driver is now enabled for TSO support of SIT traffic

Before patches :

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 patches :

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      6006.97   1.86     5.48     0.608   1.795

Eric Dumazet (3):
  ipv6: gso: make ipv6_gso_segment() stackable
  ipv6: sit: add GSO/TSO support
  bnx2x: add TSO support for SIT tunnels

 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c |  3 ++-
 include/linux/netdev_features.h                  |  2 ++
 include/linux/skbuff.h                           |  6 +++--
 net/core/ethtool.c                               |  1 +
 net/ipv4/af_inet.c                               |  1 +
 net/ipv4/tcp_offload.c                           |  1 +
 net/ipv6/ip6_offload.c                           | 34 +++++++++++++++++++-----
 net/ipv6/sit.c                                   | 28 ++++++++++++-------
 net/ipv6/udp_offload.c                           |  1 +
 9 files changed, 59 insertions(+), 18 deletions(-)

-- 
1.8.4

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