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linux/drivers/net/ethernet
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Siva Reddy Kallam b7d987295c tg3: Fix for tg3 transmit queue 0 timed out when too many gso_segs 
tg3_tso_bug() can hit a condition where the entire tx ring is not big
enough to segment the GSO packet. For example, if MSS is very small,
gso_segs can exceed the tx ring size. When we hit the condition, it
will cause tx timeout.

tg3_tso_bug() is called to handle TSO and DMA hardware bugs.
For TSO bugs, if tg3_tso_bug() cannot succeed, we have to drop the packet.
For DMA bugs, we can still fall back to linearize the SKB and let the
hardware transmit the TSO packet.

This patch adds a function tg3_tso_bug_gso_check() to check if there
are enough tx descriptors for GSO before calling tg3_tso_bug().
The caller will then handle the error appropriately - drop or
lineraize the SKB.

v2: Corrected patch description to avoid confusion.

Signed-off-by: Siva Reddy Kallam <siva.kallam@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Acked-by: Prashant Sreedharan <prashant@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-02-09 04:39:14 -05:00
..
3com 3c59x: fix another page map/single unmap imbalance 2016-01-13 14:55:18 -05:00
8390 mdio: Move allocation of interrupts into core 2016-01-07 14:31:26 -05:00
adaptec
adi net: bfin_mac: Use phy_find_first() instead of open-coding it 2016-01-11 00:00:34 -05:00
aeroflex mdio: Move allocation of interrupts into core 2016-01-07 14:31:26 -05:00
agere phy: Add an mdio_device structure 2016-01-07 14:31:26 -05:00
allwinner
alteon
altera phy: Add an mdio_device structure 2016-01-07 14:31:26 -05:00
amd ethernet: amd: au1000: Remove pointless warning 2016-01-10 22:06:59 -05:00
apm drivers: net: xgene: fix extra IRQ issue 2016-01-24 22:15:56 -08:00
apple
arc net: ethernet: arc: Add support emac for RK3036 2016-01-10 22:21:31 -05:00
atheros ethernet/atheros/alx: sanitize buffer sizing and padding 2016-01-06 15:05:25 -05:00
aurora net: nb8800: avoid uninitialized variable warning 2016-01-29 20:33:39 -08:00
broadcom tg3: Fix for tg3 transmit queue 0 timed out when too many gso_segs 2016-02-09 04:39:14 -05:00
brocade bna: fix Rx data corruption with VLAN stripping enabled and MTU > 4096 2016-01-15 21:49:25 -05:00
cadence net: macb: fix build warning 2016-01-25 10:51:52 -08:00
calxeda
cavium net: cavium: liquidio: use helpers ns_to_timespec64() 2016-01-29 15:14:21 -05:00
chelsio cxgb4: Fixes static checker warning in mps_tcam_show() 2016-01-10 22:42:03 -05:00
cirrus
cisco
davicom
dec
dlink
emulex RDMA/be2net: Remove open and close entry points 2016-01-19 14:00:47 -05:00
ezchip net: Fix dependencies for !HAS_IOMEM archs 2016-01-28 16:03:19 -08:00
faraday net: ethernet: faraday: Use phy_find_first() instead of open coding it 2016-01-10 22:05:30 -05:00
freescale net: fec: use CONFIG_ARM instead of CONFIG_ARCH_MXC/SOC_IMX28 2016-01-25 10:51:53 -08:00
fujitsu
hisilicon net: hns: enet specifies a reference to dsaf 2016-01-21 12:02:31 -08:00
hp net: hp100: remove unnecessary #ifdefs 2016-01-29 20:33:38 -08:00
i825xx
ibm Driver for IBM System i/p VNIC protocol 2015-12-28 00:12:13 -05:00
intel net: i40e: shut up uninitialized variable warnings 2016-01-25 15:49:36 -08:00
marvell net: mv643xx_eth: fix packet corruption with TSO and tiny unaligned packets. 2016-01-28 16:08:01 -08:00
mellanox Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-02-01 15:56:08 -08:00
micrel
microchip
moxa net: moxart: use correct accessors for DMA memory 2016-01-29 19:40:02 -08:00
myricom
natsemi natsemi: add checks for dma mapping errors 2015-12-19 12:58:46 -05:00
neterion net: vxge: avoid unused function warnings 2016-01-29 20:33:39 -08:00
netronome
nuvoton
nvidia
nxp net: lpc_eth: Remove unused variables 2016-01-10 22:50:14 -05:00
octeon
oki-semi
packetengines
pasemi
qlogic Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-06 22:54:18 -05:00
qualcomm
rdc mdio: Move allocation of interrupts into core 2016-01-07 14:31:26 -05:00
realtek r8169:Correct the way of setting RTL8168DP ephy 2016-01-04 16:50:49 -05:00
renesas Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-11 23:55:43 -05:00
rocker switchdev: Require RTNL mutex to be held when sending FDB notifications 2016-01-28 16:21:31 -08:00
samsung phy: Add API for {un}registering an mdio device to a bus. 2016-01-07 14:31:26 -05:00
seeq
sfc sfc: Downgrade or remove some error messages 2015-12-23 22:06:39 -05:00
sgi
silan
sis
smsc net: smsc: Add support h8300 2016-01-15 15:14:23 -05:00
stmicro stmmac: Don't exit mdio registration when mdio subnode is not found in the DTS 2016-01-10 18:02:33 -05:00
sun sunvnet: Initialize network_header and transport_header in vnet_rx_one() 2016-01-19 14:48:15 -05:00
synopsys dwc_eth_qos: Reset hardware before PHY start 2016-02-06 03:38:11 -05:00
tehuti
ti net: davinci_cpdma: use dma_addr_t for DMA address 2016-01-29 20:33:38 -08:00
tile tilepro: use to_delayed_work 2016-01-04 16:07:16 -05:00
toshiba net: tc35815: Drop unused variable 2016-01-10 23:31:25 -05:00
tundra
via
wiznet
xilinx phy: Add an mdio_device structure 2016-01-07 14:31:26 -05:00
xircom
xscale
dnet.c mdio: Move allocation of interrupts into core 2016-01-07 14:31:26 -05:00
dnet.h
ec_bhf.c
ethoc.c phy: Add API for {un}registering an mdio device to a bus. 2016-01-07 14:31:26 -05:00
fealnx.c
jme.c
jme.h
Kconfig
korina.c
lantiq_etop.c net: lantiq_etop.c: Use helper to find first phy 2016-01-10 18:03:47 -05:00
Makefile
netx-eth.c