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linux/drivers/net/ethernet
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Hariprasad Shenai 8d09e6b8b9 cxgb4/cxgb4vf: Fixes regression in perf when tx vlan offload is disabled 
The commit 637d3e9973 ("cxgb4: Discard the packet if the length is
greater than mtu") introduced a regression in the VLAN interface
performance when Tx VLAN offload is disabled.

Check if skb is tagged, regardless of whether it is hardware accelerated
or not. Presently we were checking only for hardware acclereated one,
which caused performance to drop to ~0.17Mbps on a 10GbE adapter for
VLAN interface, when tx vlan offload is turned off using ethtool.
The ethernet head length calculation was going wrong in this case, and
driver ended up dropping packets.

Fixes: 637d3e9973 ("cxgb4: Discard the packet if the length is greater than mtu")
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-30 20:39:59 -07:00
..
3com
8390
adaptec
adi net: ethernet: adi: bfin_mac: use phy_ethtool_{get|set}_link_ksettings 2016-07-17 23:22:02 -07:00
aeroflex
agere Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
allwinner net: ethernet: sun4i-emac: use phy_ethtool_{get|set}_link_ksettings 2016-06-22 16:22:41 -04:00
alteon
altera net: ethernet: altera_tse: use phy_ethtool_{get|set}_link_ksettings 2016-06-22 16:22:41 -04:00
amd net: ethernet: amd: au1000_eth: use phy_ethtool_{get|set}_link_ksettings 2016-07-15 16:41:35 -07:00
apm xgene: Fix build warning with ACPI disabled. 2016-07-26 23:19:29 -07:00
apple
arc net: ethernet: arc: emac: use phy_ethtool_{get|set}_link_ksettings 2016-07-04 15:59:52 -07:00
atheros
aurora Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
broadcom bnxt_en: Add new NPAR and dual media device IDs. 2016-07-25 21:43:31 -07:00
brocade
cadence net: ethernet: macb: use phy_ethtool_{get|set}_link_ksettings 2016-06-25 11:57:33 -04:00
calxeda
cavium net: cavium: liquidio: Avoid dma_unmap_single on uninitialized ndata 2016-07-16 22:06:00 -07:00
chelsio cxgb4/cxgb4vf: Fixes regression in perf when tx vlan offload is disabled 2016-07-30 20:39:59 -07:00
cirrus
cisco
davicom
dec
dlink
emulex be2net: perform temperature query in adapter regardless of its interface state 2016-07-26 23:17:42 -07:00
ezchip Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
faraday net/faraday: Disallow using reversed MAC address from hardware 2016-07-20 21:05:18 -07:00
freescale Revert "fsl/fman: fix error handling" 2016-07-04 17:16:41 -07:00
fujitsu
hisilicon net: hisilicon: Add Fast Ethernet MAC driver 2016-07-16 21:32:58 -07:00
hp
i825xx
ibm ibmvnic: Fix passive VNIC server login process 2016-07-09 17:42:11 -04:00
intel Merge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue 2016-07-25 11:26:48 -07:00
marvell Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
mediatek net: mediatek: fix non static symbol warnings 2016-07-12 11:07:38 -07:00
mellanox net/mlx5_core/health: Remove deprecated create_singlethread_workqueue 2016-07-26 15:18:56 -07:00
micrel
microchip enc28j60: Fix race condition in enc28j60 driver 2016-07-02 14:48:14 -04:00
moxa
myricom
natsemi
neterion
netronome nfp: check idx is -ENOSPC before using it is an index 2016-07-11 13:52:00 -07:00
nuvoton
nvidia
nxp net: lpc_eth: Remove unused 'pldat' variable 2016-07-04 23:55:29 -07:00
oki-semi
packetengines
pasemi net: ethernet: pasemi_mac: use phy_ethtool_{get|set}_link_ksettings 2016-07-15 16:41:34 -07:00
qlogic qed: Prevent over-usage of vlan credits by PF 2016-07-30 20:34:03 -07:00
qualcomm
rdc net: r6040: Bump version and date 2016-07-05 00:10:30 -07:00
realtek
renesas sh_eth: fix DMA channel misreporting 2016-07-19 16:01:33 -07:00
rocker net: add dev arg to ndo_neigh_construct/destroy 2016-07-05 09:06:28 -07:00
samsung net: ethernet: sxgbe: use phy_ethtool_{get|set}_link_ksettings 2016-06-28 09:12:35 -04:00
seeq
sfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-06-30 05:03:36 -04:00
sgi
silan
sis
smsc net: ethernet: smsc9420: use phy_ethtool_{get|set}_link_ksettings 2016-07-15 16:41:35 -07:00
stmicro stmmac: dwmac-socfpga: remove redundant dev_err call in socfpga_dwmac_parse_data() 2016-07-13 18:07:56 -07:00
sun
synopsys dwc_eth_qos: Remove deprecated create_singlethread_workqueue 2016-07-17 22:27:39 -07:00
tehuti
ti net: davinci_cpdma: remove excessive dump of register values to kernel log 2016-07-25 17:56:55 -07:00
tile timers, driver/net/ethernet/tile: Initialize the egress timer as pinned 2016-07-07 10:25:14 +02:00
toshiba net: ethernet: tc35815: use phy_ethtool_{get|set}_link_ksettings 2016-07-15 16:41:33 -07:00
tundra
via
wiznet
xilinx net: axienet: Fix return value check in axienet_probe() 2016-07-20 14:46:00 -07:00
xircom ethernet: xircom: fix spelling mistakes on "excessive collisions" 2016-06-27 04:19:14 -04:00
xscale net: ethernet: ixp4xx_eth: use phy_ethtool_{get|set}_link_ksettings 2016-07-04 15:59:52 -07:00
dnet.c net: ethernet: dnet: use phy_ethtool_{get|set}_link_ksettings 2016-06-28 05:10:26 -04:00
dnet.h net: ethernet: dnet: use phydev from struct net_device 2016-06-28 05:10:26 -04:00
ec_bhf.c
ethoc.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
fealnx.c
jme.c
jme.h
Kconfig
korina.c
lantiq_etop.c net: ethernet: lantiq_etop: use phy_ethtool_{get|set}_link_ksettings 2016-07-04 15:59:51 -07:00
Makefile
netx-eth.c