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Jason Wang 6680ec68ef tuntap: hardware vlan tx support 
Inspired by commit f09e2249c4 (macvtap: restore
vlan header on user read). This patch adds hardware vlan tx support for
tuntap. This is done by copying vlan header directly into userspace in
tun_put_user() instead of doing it through __vlan_put_tag() in
dev_hard_start_xmit(). This eliminates one unnecessary memmove() in
vlan_insert_tag() for 802.1ad and 802.1q traffic.

pktgen test shows about 20% improvement for 802.1q traffic:

Before:
  662149pps 317Mb/sec (317831520bps) errors: 0
After:
  801033pps 384Mb/sec (384495840bps) errors: 0

Cc: Basil Gor <basil.gor@gmail.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2013-07-27 20:09:21 -07:00
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appletalk
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arcnet
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bonding bond: cleanup netpoll code 2013-07-26 15:24:47 -07:00
caif drivers/net: caif: fix wrong rtnl_is_locked() usage 2013-07-09 12:55:48 -07:00
can drivers/net/can/c_can: don't use devm_pinctrl_get_select_default() in probe 2013-07-11 17:18:26 -07:00
cris
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dsa
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ethernet drivers/net/ethernet/stmicro/stmmac: don't check resource with devm_ioremap_resource 2013-07-24 23:59:33 -07:00
fddi net/fddi/skfp/skfddi: Use module_pci_driver to register driver 2013-05-22 14:35:05 -07:00
hamradio net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
hippi net/hippi/rrunner: Use module_pci_driver to register driver 2013-05-22 14:35:05 -07:00
hyperv hyperv: Fix the NETIF_F_SG flag setting in netvsc 2013-07-16 23:02:24 -07:00
ieee802154 drivers/net/ieee802154: don't use devm_pinctrl_get_select_default() in probe 2013-07-11 17:18:27 -07:00
irda net: irda: remove unnecessary platform_set_drvdata() 2013-05-27 22:34:51 -07:00
phy Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-07-13 17:42:22 -07:00
plip
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ppp net: pass info struct via netdevice notifier 2013-05-28 13:11:01 -07:00
slip
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team team: cleanup netpoll clode 2013-07-26 15:24:32 -07:00
usb usb/net/r815x: fix cast to restricted __le32 2013-07-12 16:13:34 -07:00
vmxnet3 net: vlan: add protocol argument to packet tagging functions 2013-04-19 14:46:06 -04:00
wan Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-07-03 14:55:13 -07:00
wimax
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wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
xen-netback xen-netback: xenbus.c: use more current logging styles 2013-07-02 00:52:55 -07:00
Kconfig packet: nlmon: virtual netlink monitoring device for packet sockets 2013-06-24 16:39:05 -07:00
LICENSE.SRC
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Makefile packet: nlmon: virtual netlink monitoring device for packet sockets 2013-06-24 16:39:05 -07:00
Space.c
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dummy.c dummy: fix oops when loading the dummy failed 2013-07-11 11:59:20 -07:00
eql.c
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ifb.c ifb: fix oops when loading the ifb failed 2013-07-11 12:00:05 -07:00
loopback.c
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macvlan.c macvlan fdb replace support 2013-07-23 16:36:03 -07:00
macvtap.c macvtap: do not zerocopy if iov needs more pages than MAX_SKB_FRAGS 2013-07-18 13:04:25 -07:00
mdio.c
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mii.c
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netconsole.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-07-09 18:24:39 -07:00
nlmon.c nlmon: use standard rtnetlink link api for add/del devices 2013-07-02 12:53:17 -07:00
ntb_netdev.c ntb_netdev: remove from list on exit 2013-05-15 10:58:14 -07:00
rionet.c rapidio/rionet: rework driver initialization and removal 2013-07-03 16:08:04 -07:00
sb1000.c
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sungem_phy.c
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tun.c tuntap: hardware vlan tx support 2013-07-27 20:09:21 -07:00
veth.c veth: remove redundant call of dev_alloc_name 2013-06-12 01:21:20 -07:00
virtio_net.c virtio-net: put virtio net header inline with data 2013-07-27 20:06:10 -07:00
vxlan.c vxlan fdb replace an existing entry 2013-07-23 16:36:03 -07:00
xen-netfront.c xen-netfront: pull on receive skb may need to happen earlier 2013-07-17 12:51:19 -07:00