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b6fef4c6b8
linux/net/ipv6
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Alexander Duyck b6fef4c6b8 ipv6: Do not treat a GSO_TCPV4 request from UDP tunnel over IPv6 as invalid 
This patch adds SKB_GSO_TCPV4 to the list of supported GSO types handled by
the IPv6 GSO offloads.  Without this change VXLAN tunnels running over IPv6
do not currently handle IPv4 TCP TSO requests correctly and end up handing
the non-segmented frame off to the device.

Below is the before and after for a simple netperf TCP_STREAM test between
two endpoints tunneling IPv4 over a VXLAN tunnel running on IPv6 on top of
a 1Gb/s network adapter.

Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    10.29       0.88      Before
 87380  16384  16384    10.03     895.69      After

Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-23 14:18:11 -05:00
..
netfilter netfilter: nft_masq: fix uninitialized range in nft_masq_{ipv4, ipv6}_eval 2014-11-10 17:56:28 +01:00
addrconf_core.c ipv6: remove rt6i_genid 2014-09-30 14:00:48 -04:00
addrconf.c ipv6: notify userspace when we added or changed an ipv6 token 2014-10-29 14:35:32 -04:00
addrlabel.c list: fix order of arguments for hlist_add_after(_rcu) 2014-08-06 18:01:24 -07:00
af_inet6.c ipv6: make fib6 serial number per namespace 2014-10-07 00:02:30 -04:00
ah6.c ipsec: Remove obsolete MAX_AH_AUTH_LEN 2014-09-18 10:54:36 +02:00
anycast.c ipv6: remove aca_lock spinlock from struct ifacaddr6 2014-10-14 13:15:15 -04:00
datagram.c sock: deduplicate errqueue dequeue 2014-09-01 21:49:08 -07:00
esp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
exthdrs_core.c ipv6: ipv6_find_hdr restore prev functionality 2014-02-27 18:27:26 -05:00
exthdrs_offload.c ipv6: Fix exthdrs offload registration. 2014-03-06 16:35:55 -05:00
exthdrs.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
fib6_rules.c ipv6: move IPV6_TCLASS_SHIFT into ipv6.h and define a helper 2014-01-15 15:53:18 -08:00
icmp.c ipv6: Do not warn for informational ICMP messages, regardless of type. 2014-10-07 16:33:53 -04:00
inet6_connection_sock.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
inet6_hashtables.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
ip6_checksum.c udp: Generic functions to set checksum 2014-06-04 22:46:38 -07:00
ip6_fib.c ipv6: don't walk node's leaf during serial number update 2014-10-07 00:02:30 -04:00
ip6_flowlabel.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
ip6_gre.c gre6: Move the setting of dev->iflink into the ndo_init functions. 2014-11-03 15:42:24 -05:00
ip6_icmp.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_input.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
ip6_offload.c ipv6: Do not treat a GSO_TCPV4 request from UDP tunnel over IPv6 as invalid 2014-11-23 14:18:11 -05:00
ip6_offload.h
ip6_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-09-23 12:09:27 -04:00
ip6_tunnel.c ip6_tunnel: Use ip6_tnl_dev_init as the ndo_init function. 2014-11-03 15:42:24 -05:00
ip6_udp_tunnel.c udp: Need to make ip6_udp_tunnel.c have GPL license 2014-09-22 15:08:25 -04:00
ip6_vti.c vti6: Use vti6_dev_init as the ndo_init function. 2014-11-03 15:42:24 -05:00
ip6mr.c ipv6: delete protocol and unregister rtnetlink when cleanup 2014-11-19 16:56:17 -05:00
ipcomp6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ipv6_sockglue.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
Kconfig ip6_vti: Fix build when NET_IP_TUNNEL is not set. 2014-02-20 14:29:49 +01:00
Makefile udp_tunnel: Only build ip6_udp_tunnel.c when IPV6 is selected 2014-09-19 22:05:28 -04:00
mcast.c ipv6: mld: fix add_grhead skb_over_panic for devs with large MTUs 2014-11-16 16:55:06 -05:00
mip6.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
ndisc.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
netfilter.c netfilter: Fix potential use after free in ip6_route_me_harder() 2014-05-09 02:36:39 +02:00
output_core.c drivers/net, ipv6: Select IPv6 fragment idents for virtio UFO packets 2014-10-30 20:01:18 -04:00
ping.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
proc.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
protocol.c net: Export inet_offloads and inet6_offloads 2014-09-19 17:15:31 -04:00
raw.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
reassembly.c ipv6: White-space cleansing : Structure layouts 2014-08-24 22:37:52 -07:00
route.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-02 11:25:43 -07:00
sit.c sit: Use ipip6_tunnel_init as the ndo_init function. 2014-11-03 15:42:24 -05:00
syncookies.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-18 09:31:37 -07:00
sysctl_net_ipv6.c ipv6: add sysctl_mld_qrv to configure query robustness variable 2014-09-04 22:26:14 -07:00
tcp_ipv6.c net: fix saving TX flow hash in sock for outgoing connections 2014-10-22 16:14:29 -04:00
tcpv6_offload.c net: Remove gso_send_check as an offload callback 2014-09-26 00:22:47 -04:00
tunnel6.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
udp_impl.h net: ipv4/ipv6: Remove extern from function prototypes 2013-10-19 19:12:11 -04:00
udp_offload.c fou: eliminate IPv4,v6 specific GRO functions 2014-10-03 16:53:32 -07:00
udp.c udp: Add support for doing checksum unnecessary conversion 2014-09-01 21:36:28 -07:00
udplite.c net: Eliminate no_check from protosw 2014-05-23 16:28:53 -04:00
xfrm6_input.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
xfrm6_mode_beet.c
xfrm6_mode_ro.c ipv4/ipv6: Fix FSF address in file headers 2013-12-06 12:37:56 -05:00
xfrm6_mode_transport.c
xfrm6_mode_tunnel.c xfrm6: Remove xfrm_tunnel_notifier 2014-03-14 07:28:08 +01:00
xfrm6_output.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00
xfrm6_policy.c xfrm6: fix a potential use after free in xfrm6_policy.c 2014-10-22 15:38:48 -04:00
xfrm6_protocol.c xfrm6: Properly handle unsupported protocols 2014-05-06 07:08:38 +02:00
xfrm6_state.c ipv6: White-space cleansing : Line Layouts 2014-08-24 22:37:52 -07:00
xfrm6_tunnel.c ipv6: White-space cleansing : gaps between function and symbol export 2014-08-24 22:37:52 -07:00