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62a02c98ce
linux/drivers/net/ethernet
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Fugang Duan 62a02c98ce net: fec: Don't clear IPV6 header checksum field when IP accelerator enable 
The commit 96c50caa51 (net: fec: Enable IP header hardware checksum)
enable HW IP header checksum for IPV4 and IPV6, which causes IPV6 TCP/UDP
cannot work. (The issue is reported by Russell King)

For FEC IP header checksum function: Insert IP header checksum. This "IINS"
bit is written by the user. If set, IP accelerator calculates the IP header
checksum and overwrites the IINS corresponding header field with the calculated
value. The checksum field must be cleared by user, otherwise the checksum
always is 0xFFFF.

So the previous patch clear IP header checksum field regardless of IP frame
type.

In fact, IP HW detect the packet as IPV6 type, even if the "IINS" bit is set,
the IP accelerator is not triggered to calculates IPV6 header checksum because
IPV6 frame format don't have checksum.

So this results in the IPV6 frame being corrupted.

The patch just add software detect the current packet type, if it is IPV6
frame, it don't clear IP header checksum field.

Cc: Russell King <linux@arm.linux.org.uk>
Reported-and-tested-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-06-17 21:58:35 -07:00
..
3com net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
8390 net: 8390: use time_after() for time comparison 2014-05-18 21:24:52 -04:00
adaptec net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
adi
aeroflex
allwinner
alteon net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
altera Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-05-24 00:32:30 -04:00
amd amd-xgbe: unwind on error in xgbe_mdio_register() 2014-06-11 15:39:19 -07:00
apple
arc arc_emac: add netpoll support 2014-05-13 18:02:24 -04:00
atheros net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
broadcom Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-06-12 14:27:40 -07:00
brocade Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-06-12 14:27:40 -07:00
cadence
calxeda net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
chelsio Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-06-12 14:27:40 -07:00
cirrus
cisco net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
davicom dm9000: avoid sleeping in dm9000_timeout callback 2014-06-05 15:12:11 -07:00
dec net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
dlink net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
emulex Merge branch 'ethtool-rssh-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bwh/net-next 2014-06-02 23:07:02 -07:00
faraday net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
freescale net: fec: Don't clear IPV6 header checksum field when IP accelerator enable 2014-06-17 21:58:35 -07:00
fujitsu net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
hisilicon net: hisilicon: add hix5hd2 mac driver 2014-06-02 23:39:05 -07:00
hp
i825xx
ibm net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
icplus net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
intel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-06-12 14:27:40 -07:00
marvell net: mv643xx_eth: Avoid unmapping the TSO header buffers 2014-06-02 16:16:06 -07:00
mellanox Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-06-12 14:27:40 -07:00
micrel net: ks8851: Don't use regulator_get_optional() 2014-06-02 00:13:51 -07:00
microchip net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
moxa
myricom net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
natsemi net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
neterion net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
nuvoton
nvidia net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
nxp lpc_eth: Use resource_size instead of computation 2014-06-03 16:08:52 -07:00
octeon
oki-semi net: use SPEED_UNKNOWN and DUPLEX_UNKNOWN when appropriate 2014-06-06 16:24:07 -07:00
packetengines net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
pasemi
qlogic qlcnic: Update version to 5.3.60 2014-06-11 15:44:29 -07:00
rdc
realtek net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
renesas net: sh_eth: Fix timing of RACT setting in sh_eth_rx() 2014-06-11 15:15:31 -07:00
samsung net: sxgbe: remove duplicate SXGBE_CORE_L34_ADDCTL_REG define 2014-06-11 15:01:30 -07:00
seeq
sfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-11 16:02:55 -07:00
sgi
silan
sis net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
smsc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-03 23:32:12 -07:00
stmicro net: stmmac: Handle different error codes from platform_get_irq_byname 2014-06-02 14:04:06 -07:00
sun net: cassini: use nested lock annotation 2014-05-09 16:34:10 -04:00
tehuti net: get rid of SET_ETHTOOL_OPS 2014-05-13 17:43:20 -04:00
ti drivers: net: davinci_cpdma: double free on error 2014-06-11 15:39:19 -07:00
tile net: tile: fix unused variable warning 2014-06-16 21:33:50 -07:00
toshiba net: ethernet: toshiba: ps3_gelic_net.c: Cleaning up a check on a memory allocation 2014-06-11 00:13:16 -07:00
tundra
via via-rhine: fix full-duplex with autoneg disable 2014-06-12 10:31:10 -07:00
wiznet
xilinx xilinx: Use time_before_eq() 2014-05-22 15:50:13 -04:00
xircom
xscale
dnet.c
dnet.h
ec_bhf.c driver/net/ethernet/ec_bhf.c: fix sparse warnings 2014-05-14 16:09:33 -04:00
ethoc.c
fealnx.c
jme.c jme: Fix unmap loop counting error: 2014-05-14 15:11:22 -04:00
jme.h
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-06-03 23:32:12 -07:00
korina.c
lantiq_etop.c
Makefile net: hisilicon: add hix5hd2 mac driver 2014-06-02 23:39:05 -07:00
netx-eth.c
s6gmac.c