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71da61976e
linux/drivers
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Anjali Singhai 71da61976e i40e: Fix TSO with more than 8 frags per segment issue 
The hardware has some limitations the driver needs to adhere to,
that we found in extended testing.
  1) no more than 8 descriptors per packet on the wire
  2) no header can span more than 3 descriptors

If one of these events occurs, the hardware will generate an internal
error and freeze the Tx queue.

This patch linearizes the skb to avoid these situations.

Change-ID: I37dab7d3966e14895a9663ec4d0aaa8eb0d9e115
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <james.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2015-02-26 04:53:58 -08:00
..
accessibility
acpi ACPI / idle: Implement ->enter_freeze callback routine 2015-02-15 19:40:10 +01:00
amba ARM: 8256/1: driver coamba: add device binding path 'driver_override' 2015-02-10 10:23:15 +00:00
android
ata Merge branch 'for-3.20/drivers' of git://git.kernel.dk/linux-block 2015-02-12 14:30:53 -08:00
atm
auxdisplay
base driver core patches for 3.20-rc1 2015-02-15 11:11:47 -08:00
bcma
block brd: rename XIP to DAX 2015-02-16 17:56:04 -08:00
bluetooth Bluetooth: btusb: Fix issue with CSR based Intel Wireless controllers 2015-02-23 09:30:35 +02:00
bus ARM: SoC platform changes 2015-02-17 09:27:54 -08:00
cdrom
char Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2015-02-17 13:20:42 -08:00
clk ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
clocksource ARM: SoC platform changes 2015-02-17 09:27:54 -08:00
connector
coresight coresight: fix function etm_writel_cp14() parameter order 2015-02-04 10:42:55 -08:00
cpufreq Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools' 2015-02-13 21:39:06 +01:00
cpuidle Suspend-to-idle timer quiescing support for v3.20-rc1 2015-02-17 14:17:51 -08:00
crypto Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2015-02-18 08:49:20 -08:00
dca
devfreq Merge branches 'pm-cpufreq', 'pm-cpuidle', 'pm-devfreq', 'pm-opp' and 'pm-tools' 2015-02-13 21:39:06 +01:00
dio
dma Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2015-02-18 08:49:20 -08:00
dma-buf
edac
eisa
extcon
firewire
firmware x86_64: kasan: add interceptors for memset/memmove/memcpy functions 2015-02-13 21:21:41 -08:00
fmc
gpio Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm 2015-02-12 08:51:56 -08:00
gpu Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2015-02-16 15:48:00 -08:00
hid Merge branches 'for-3.19/upstream-fixes', 'for-3.20/apple', 'for-3.20/betop', 'for-3.20/lenovo', 'for-3.20/logitech', 'for-3.20/rmi', 'for-3.20/upstream' and 'for-3.20/wacom' into for-linus 2015-02-09 11:17:45 +01:00
hsi
hv Char / Misc patches for 3.20-rc1 2015-02-15 10:48:44 -08:00
hwmon hwmon: (tmp102) add hibernation callbacks 2015-02-03 12:17:12 -08:00
hwspinlock
i2c
ide
idle intel_idle: Add ->enter_freeze callbacks 2015-02-15 19:40:09 +01:00
iio Staging drivers patches for 3.20-rc1 2015-02-15 11:30:39 -08:00
infiniband Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-17 15:18:19 -08:00
input input: use %*pb[l] to print bitmaps including cpumasks and nodemasks 2015-02-13 21:21:38 -08:00
iommu IOMMU Updates for Linux v3.20 2015-02-12 09:16:56 -08:00
ipack
irqchip Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-02-16 15:20:40 -08:00
isdn mISDN: replace current->state by set_current_state() 2015-02-22 15:24:10 -05:00
leds
lguest x86: Clean up cr4 manipulation 2015-02-04 12:10:41 +01:00
macintosh
mailbox Merge branch 'mailbox-devel' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2015-02-11 12:56:40 -08:00
mcb mcb: Fix error path of mcb_pci_probe 2015-02-03 15:48:51 -08:00
md 3 bug md fixes for 3.20 2015-02-17 17:34:21 -08:00
media mm: gup: use get_user_pages_unlocked 2015-02-11 17:06:05 -08:00
memory
memstick
message i2o: move to staging 2015-02-03 15:58:39 -08:00
mfd Changes to existing drivers: 2015-02-18 09:05:48 -08:00
misc Char / Misc patches for 3.20-rc1 2015-02-15 10:48:44 -08:00
mmc mmc: sdhci-s3c: solve problem with sleeping in atomic context 2015-02-04 13:39:14 +01:00
mtd MTD updates for 3.20-rc1 2015-02-18 08:01:44 -08:00
net i40e: Fix TSO with more than 8 frags per segment issue 2015-02-26 04:53:58 -08:00
nfc NFC: nci: Move NFCEE discovery logic 2015-02-04 09:15:18 +01:00
ntb
nubus
of ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
oprofile
parisc
parport
pci ACPI and power management updates for v3.20-rc1 2015-02-10 15:09:41 -08:00
pcmcia ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
phy USB patches for 3.20-rc1 2015-02-15 10:24:55 -08:00
pinctrl This is the bulk of pin control changes for the v3.20 cycle: 2015-02-11 11:23:13 -08:00
platform
pnp TTY/Serial driver patches for 3.20-rc1 2015-02-15 11:37:02 -08:00
power
powercap
pps
ps3
ptp
pwm pwm: tegra: Use NSEC_PER_SEC 2015-02-18 08:40:29 +01:00
rapidio Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2015-02-18 08:49:20 -08:00
ras
regulator Changes to existing drivers: 2015-02-18 09:05:48 -08:00
remoteproc
reset
rpmsg
rtc ARM: SoC cleanups 2015-02-17 09:17:33 -08:00
s390 Fairly small update, but there are some interesting new features. 2015-02-13 09:55:09 -08:00
sbus
scsi Merge branch 'debugfs_automount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-17 15:18:19 -08:00
sfi
sh
sn
soc ARM: SoC driver updates 2015-02-17 09:38:59 -08:00
spi treewide: Remove unnecessary BCMA_CORETABLE_END macro 2015-02-11 14:38:28 -08:00
spmi
ssb treewide: Remove unnecessary SSB_DEVTABLE_END macro 2015-02-11 14:38:29 -08:00
staging Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-02-17 14:56:45 -08:00
target
tc
thermal
thunderbolt
tty TTY/Serial driver patches for 3.20-rc1 2015-02-15 11:37:02 -08:00
uio
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-02-17 17:41:19 -08:00
uwb USB patches for 3.20-rc1 2015-02-15 10:24:55 -08:00
vfio
vhost vhost_net: fix wrong iter offset when setting number of buffers 2015-02-15 08:17:15 -08:00
video mm: gup: use get_user_pages_unlocked 2015-02-11 17:06:05 -08:00
virt
virtio
vlynq
vme
w1
watchdog watchdog: bcm47xx_wdt.c: allow enabling on BCM5301X arch 2015-02-17 21:34:13 +01:00
xen SCSI misc on 20150209 2015-02-11 10:28:45 -08:00
zorro
Kconfig i2o: move to staging 2015-02-03 15:58:39 -08:00
Makefile