AuxXxilium/linux_dsm_epyc7002
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b5503b994e
linux_dsm_epyc7002/drivers
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Saeed Mahameed b5503b994e net/mlx5e: XDP TX forwarding support 
Adding support for XDP_TX forwarding from xdp program.
Using XDP, now user can loop packets out of the same port.

We create a dedicated TX SQ for each channel that will serve
XDP programs that return XDP_TX action to loop packets back to
the wire directly from the channel RQ RX path.

For that RX pages will now need to be mapped bi-directionally,
and on XDP_TX action we will sync the page back to device then
queue it into SQ for transmission.  The XDP xmit frame function will
report back to the RX path if the page was consumed (transmitted), if so,
RX path will forget about that page as if it were released to the stack.
Later on, on XDP TX completion, the page will be released back to the
page cache.

For simplicity this patch will hit a doorbell on every XDP TX packet.

Next patch will introduce a xmit more like mechanism that will
queue up more than one packet into SQ w/o notifying the hardware,
once RX napi loop is done we will hit doorbell once for all XDP TX
packets form the previous loop.  This should drastically improve
XDP TX performance.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-22 02:51:41 -04:00
..
accessibility
acpi Merge branch 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm 2016-09-10 09:58:52 -07:00
amba
android Revert "android: binder: fix dangling pointer comparison" 2016-08-18 17:21:37 +02:00
ata pata_ninja32: Avoid corrupting status flags 2016-08-30 11:59:47 -04:00
atm atm: iphase: fix newline escape and minor tweak to source formatting 2016-09-15 19:15:55 -04:00
auxdisplay
base regmap: Fixes for v4.8 2016-09-06 11:02:36 -07:00
bcma bcma: use of_dma_configure() to set initial dma mask 2016-09-09 12:00:37 +03:00
block Revert "floppy: refactor open() flags handling" 2016-08-25 08:56:51 -06:00
bluetooth Bluetooth: hci_uart: Add Marvell support 2016-09-19 20:32:03 +02:00
bus arm-cci: pmu: Fix typo in event name 2016-09-07 21:24:42 -07:00
cdrom cdrom: support read sub-channel command in LBA format 2016-07-12 08:24:50 -07:00
char virtio: fixes for 4.8 2016-09-09 14:52:05 -07:00
clk Some fixes for rk3399 register errors that revealed themself 2016-08-29 17:08:35 -07:00
clocksource clocksource/drivers/atmel-pit: Fix compilation error 2016-08-29 09:51:39 +02:00
connector connector: make cn_proc explicitly non-modular 2016-07-05 11:40:47 -07:00
cpufreq cpufreq: dt: Add terminate entry for of_device_id tables 2016-08-31 02:49:05 +02:00
cpuidle powerpc updates for 4.8 # 1 2016-07-30 21:01:36 -07:00
crypto chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's 2016-09-19 01:37:32 -04:00
dax dax: fix mapping size check 2016-09-03 10:40:57 -07:00
dca
devfreq PM / devfreq: exynos-bus: add missing of_node_put after calling of_parse_phandle 2016-07-06 13:11:24 +09:00
dio
dma dmaengine: img-mdc: fix a possible NULL dereference 2016-08-22 11:57:49 +05:30
dma-buf dma-buf: Release module reference on creation failure 2016-07-18 14:10:49 +02:00
edac EDAC, skx_edac: Add EDAC driver for Skylake 2016-08-21 10:58:34 -07:00
eisa
extcon extcon: adc-jack: add suspend/resume support 2016-07-02 14:31:34 +09:00
firewire
firmware Merge branch 'dmi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging 2016-09-08 12:19:24 -07:00
fmc
fpga drivers/fpga/Kconfig: fix build failure 2016-08-04 08:50:07 -04:00
gpio gpio: sa1100: fix irq probing for ucb1x00 2016-09-08 00:42:57 +02:00
gpu This pull request brings in fixes for VC4 3D in 4.8, most of which are 2016-09-02 15:55:15 +10:00
hid Merge branch 'for-4.8/hid-led' into for-linus 2016-07-28 10:49:23 +02:00
hsi
hv
hwmon hwmon: (it87) Add missing sysfs attribute group terminator 2016-08-29 05:31:31 -07:00
hwspinlock hwspinlock: qcom_hwspinlock: add missing of_node_put after calling of_parse_phandle 2016-07-06 12:20:34 -07:00
hwtracing Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
i2c i2c: rk3x: Restore clock settings at resume time 2016-09-08 22:50:33 +02:00
ide Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide 2016-07-29 13:29:06 -07:00
idle Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-30 12:56:26 -07:00
iio Second set of IIO fixes for the 4.8 cycle. 2016-09-09 13:44:37 +02:00
infiniband chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's 2016-09-19 01:37:32 -04:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2016-08-26 18:36:23 -07:00
iommu Merge branch 'for-joerg/arm-smmu/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into iommu/fixes 2016-08-22 12:33:56 +02:00
ipack
irqchip irqchip/mips-gic: Implement activate op for device domain 2016-08-22 18:37:51 +02:00
isdn mISDN: mark symbols static where possible 2016-09-01 23:36:17 -07:00
leds powerpc updates for 4.8 # 1 2016-07-30 21:01:36 -07:00
lguest
lightnvm block: get rid of bio_rw and READA 2016-07-20 17:37:01 -06:00
macintosh drivers/macintosh: Delete owner assignment 2016-08-22 11:09:33 +10:00
mailbox fix📫bcm-pdc-mailbox:mark symbols static where possible 2016-08-29 18:43:39 +05:30
mcb
md - a stable fix in both DM crypt and DM log-writes for too large bios (as 2016-09-03 17:29:58 -07:00
media media updates for v4.8-rc1 2016-08-04 09:59:37 -04:00
memory memory: omap-gpmc: allow probe of child nodes to fail 2016-08-08 11:18:40 +03:00
memstick memstick: don't allocate unused major for ms_block 2016-08-02 17:31:41 -04:00
message
mfd ARM: SoC driver updates for v4.8 2016-08-01 18:36:01 -04:00
misc lkdtm: adjust usercopy tests to bypass const checks 2016-09-06 12:17:30 -07:00
mmc mmc: fix use-after-free of struct request 2016-08-25 14:11:43 -06:00
mtd This pull request contains mostly cleanups and minor 2016-08-04 19:51:49 -04:00
net net/mlx5e: XDP TX forwarding support 2016-09-22 02:51:41 -04:00
nfc NFC 4.8 pull request 2016-07-20 23:39:36 -07:00
ntb NTB: ntb_hw_intel: use local variable pdev 2016-08-05 10:34:13 -04:00
nubus
nvdimm libnvdimm: allow legacy (e820) pmem region to clear bad blocks 2016-09-09 17:34:46 -07:00
nvme nvme: make NVME_RDMA depend on BLOCK 2016-09-11 14:41:49 -07:00
nvmem
of of: fix reference counting in of_graph_get_endpoint_by_regs 2016-08-15 11:15:05 -05:00
oprofile
parisc dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
parport
pci Char/Misc driver fixes for 4.8-rc5 2016-09-03 11:38:43 -07:00
pcmcia
perf drivers/perf: arm_pmu: Fix NULL pointer dereference during probe 2016-09-02 17:17:52 +01:00
phy phy: sun9i-usb: fix error handling 2016-08-12 14:59:10 +05:30
pinctrl pinctrl: sunxi: fix uart1 CTS/RTS pins at PG on A23/A33 2016-08-23 12:28:31 +02:00
platform intel_pmic_gpio: Make explicitly non-modular 2016-08-28 22:31:52 -07:00
pnp PNP: pnpbios: add header file to fix build errors 2016-07-27 18:52:54 +02:00
power power_supply: tps65217-charger: fix missing platform_set_drvdata() 2016-08-15 23:10:44 +02:00
powercap
pps pps: do not crash when failed to register 2016-07-23 10:25:54 +09:00
ps3
ptp ptp: ixp46x: remove NO_IRQ handling 2016-09-06 16:57:02 -07:00
pwm pwm: Changes for v4.8-rc1 2016-08-06 00:01:33 -04:00
rapidio rapidio/tsi721: fix incorrect detection of address translation condition 2016-09-01 17:52:02 -07:00
ras
regulator Merge remote-tracking branches 'regulator/fix/email' and 'regulator/fix/qcom-smd' into regulator-linus 2016-09-06 12:31:34 +01:00
remoteproc dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
reset reset: add TI SYSCON based reset driver 2016-06-29 23:39:10 +02:00
rpmsg
rtc RTC for 4.8 2016-08-05 09:48:22 -04:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-08-16 15:50:22 -07:00
sbus
scsi chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's 2016-09-19 01:37:32 -04:00
sfi
sh
sn
soc ARM: SoC driver updates for v4.8 2016-08-01 18:36:01 -04:00
spi Merge remote-tracking branches 'spi/fix/lock', 'spi/fix/maintainers', 'spi/fix/put', 'spi/fix/pxa2xx', 'spi/fix/sh-msiof' and 'spi/fix/timeout' into spi-linus 2016-09-06 12:32:09 +01:00
spmi
ssb SSB: Change bare unsigned to unsigned int to suit coding style 2016-07-06 15:09:36 +02:00
staging Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-09-12 15:52:44 -07:00
target chcr/cxgb4i/cxgbit/RDMA/cxgb4: Allocate resources dynamically for all cxgb4 ULD's 2016-09-19 01:37:32 -04:00
tc
thermal thermal: rcar_thermal: Fix priv->zone error handling 2016-09-06 20:46:06 +08:00
thunderbolt thunderbolt: Don't declare Falcon Ridge unsupported 2016-08-31 13:25:02 +02:00
tty serial: 8250: added acces i/o products quad and octal serial cards 2016-08-31 16:28:26 +02:00
uio
usb usb: fixes for v4.8-rc6 2016-09-09 15:11:35 +02:00
uwb
vfio vfio/pci: Fix NULL pointer oops in error interrupt setup handling 2016-08-08 16:16:23 -06:00
vhost vhost/scsi: fix reuse of &vq->iov[out] in response 2016-08-23 17:16:57 +03:00
video dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
virt
virtio virtio: mark vring_dma_dev() static 2016-09-09 21:12:35 +03:00
vlynq
vme
w1 w1:omap_hdq: fix regression 2016-08-02 19:35:40 -04:00
watchdog watchdog: gpio_wdt: Fix missing platform_set_drvdata() in gpio_wdt_probe() 2016-07-27 10:47:43 +02:00
xen xenbus: don't look up transaction IDs for ordinary writes 2016-08-24 18:16:18 +01:00
zorro
Kconfig
Makefile virtio/vhost: new features for 4.8 2016-08-06 09:20:13 -04:00