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66e5133f19
linux/net
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Toshiaki Makita 66e5133f19 vlan: Add GRO support for non hardware accelerated vlan 
Currently packets with non-hardware-accelerated vlan cannot be handled
by GRO. This causes low performance for 802.1ad and stacked vlan, as their
vlan tags are currently not stripped by hardware.

This patch adds GRO support for non-hardware-accelerated vlan and
improves receive performance of them.

Test Environment:
 vlan device (.1Q) on vlan device (.1ad) on ixgbe (82599)

Result:

- Before

$ netperf -t TCP_STREAM -H 192.168.20.2 -l 60
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.00    5233.17

Rx side CPU usage:
  %usr      %sys      %irq     %soft     %idle
  0.27     58.03      0.00     41.70      0.00

- After

$ netperf -t TCP_STREAM -H 192.168.20.2 -l 60
Recv   Send    Send
Socket Socket  Message  Elapsed
Size   Size    Size     Time     Throughput
bytes  bytes   bytes    secs.    10^6bits/sec

 87380  16384  16384    60.00    7586.85

Rx side CPU usage:
  %usr      %sys      %irq     %soft     %idle
  0.50     25.83      0.00     59.53     14.14

[ Register VLAN offloads with priority 10 -DaveM ]

Signed-off-by: Toshiaki Makita <makita.toshiaki@lab.ntt.co.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-06-01 16:50:52 -07:00
..
6lowpan 6lowpan: nhc: add other known rfc6282 compressions 2015-02-14 23:08:44 +01:00
9p 9p: patches for 4.1 merge window 2015-04-18 17:45:30 -04:00
802 net: Kill dev_rebuild_header 2015-03-02 16:43:41 -05:00
8021q vlan: Add GRO support for non hardware accelerated vlan 2015-06-01 16:50:52 -07:00
appletalk net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
atm net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
ax25 net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
batman-adv batman-adv: Use common declaration order in *_send_skb_(packet|unicast) 2015-05-29 10:13:37 +02:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next 2015-05-30 23:26:45 -07:00
bridge bridge: skip fdb add if the port shouldn't learn 2015-05-25 20:29:54 -04:00
caif net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
can net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
ceph net: Add a struct net parameter to sock_create_kern 2015-05-11 10:50:17 -04:00
core net: Add priority to packet_offload objects. 2015-06-01 14:56:09 -07:00
dcb net/dcb: Add IEEE QCN attribute 2015-03-06 21:50:02 -05:00
dccp inet: fix possible panic in reqsk_queue_unlink() 2015-04-24 11:39:15 -04:00
decnet net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
dns_resolver
dsa switchdev: don't use anonymous union on switchdev attr/obj structs 2015-05-13 14:20:59 -04:00
ethernet net: Add priority to packet_offload objects. 2015-06-01 14:56:09 -07:00
hsr net/hsr: Fix NULL pointer dereference and refcnt bugs when deleting a HSR interface. 2015-03-01 13:40:23 -05:00
ieee802154 nl802154: add support to set cca ed level 2015-05-27 19:29:42 +02:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-05-31 00:02:30 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-05-31 00:02:30 -07:00
ipx net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
irda irda: use msecs_to_jiffies for conversion to jiffies 2015-05-25 17:46:21 -04:00
iucv net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
key net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
l2tp net: Modify sk_alloc to not reference count the netns of kernel sockets. 2015-05-11 10:50:18 -04:00
lapb
llc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
mac80211 As we get closer to the merge window, here are a few 2015-05-31 17:34:26 -07:00
mac802154 nl802154: add support to set cca ed level 2015-05-27 19:29:42 +02:00
mpls net: Add priority to packet_offload objects. 2015-06-01 14:56:09 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2015-05-31 00:02:30 -07:00
netlabel netlink: implement nla_put_in_addr and nla_put_in6_addr 2015-03-31 13:58:35 -04:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
netrom net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
nfc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
openvswitch openvswitch: include datapath actions with sampled-packet upcall to userspace 2015-06-01 15:05:40 -07:00
packet net-packet: fix null pointer exception in rollover mode 2015-05-17 22:41:38 -04:00
phonet net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
rds net/rds Add getsockopt support for SO_RDS_TRANSPORT 2015-05-31 21:47:23 -07:00
rfkill net: rfkill: gpio: make better use of gpiod API 2015-05-29 13:13:45 +02:00
rose net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
rxrpc net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
sctp ipv6: Add rt6_get_cookie() function 2015-05-25 13:25:34 -04:00
sunrpc svcrpc: fix potential GSSX_ACCEPT_SEC_CONTEXT decoding failures 2015-05-04 12:02:40 -04:00
switchdev Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-05-23 01:22:35 -04:00
tipc tipc: unconditionally put sock refcnt when sock timer to be deleted is pending 2015-05-30 18:08:37 -07:00
unix net: af_unix: implement splice for stream af_unix sockets 2015-05-25 00:06:59 -04:00
vmw_vsock net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
wimax
wireless cfg80211: ignore netif running state when changing iftype 2015-05-29 13:05:40 +02:00
x25 net: Pass kern from net_proto_family.create to sk_alloc 2015-05-11 10:50:17 -04:00
xfrm Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2015-05-28 20:23:01 -07:00
compat.c net: switch importing msghdr from userland to {compat_,}import_iovec() 2015-04-09 00:02:26 -04:00
Kconfig net: add CONFIG_NET_INGRESS to enable ingress filtering 2015-05-14 01:10:05 -04:00
Makefile mpls: Refactor how the mpls module is built 2015-03-04 00:26:06 -05:00
socket.c net: Add a struct net parameter to sock_create_kern 2015-05-11 10:50:17 -04:00
sysctl_net.c