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Lorenzo Bianconi 65e6dcf733 net, veth: Alloc skb in bulk for ndo_xdp_xmit 
Split ndo_xdp_xmit and ndo_start_xmit use cases in veth_xdp_rcv routine
in order to alloc skbs in bulk for XDP_PASS verdict.

Introduce xdp_alloc_skb_bulk utility routine to alloc skb bulk list.
The proposed approach has been tested in the following scenario:

eth (ixgbe) --> XDP_REDIRECT --> veth0 --> (remote-ns) veth1 --> XDP_PASS

XDP_REDIRECT: xdp_redirect_map bpf sample
XDP_PASS: xdp_rxq_info bpf sample

traffic generator: pkt_gen sending udp traffic on a remote device

bpf-next master: ~3.64Mpps
bpf-next + skb bulking allocation: ~3.79Mpps

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Toshiaki Makita <toshiaki.makita1@gmail.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/a14a30d3c06fff24e13f836c733d80efc0bd6eb5.1611957532.git.lorenzo@kernel.org
2021-02-04 01:00:07 +01:00
..
accessibility
speakup: fix uninitialized flush_lock
2020-12-09 15:38:13 +01:00
acpi
ACPI: scan: Harden acpi_device_add() against device ID overflows
2021-01-11 20:45:31 +01:00
amba
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android
Merge branch 'exec-for-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2020-12-15 19:29:43 -08:00
ata
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atm
atm: idt77252: call pci_disable_device() on error path
2020-12-21 17:34:09 -08:00
auxdisplay
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base
Device properties framework fixes for 5.11-rc3
2021-01-08 15:45:47 -08:00
bcma
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block
block/rnbd-clt: avoid module unload race with close confirmation
2021-01-08 08:19:18 -07:00
bluetooth
Bluetooth: btusb: Add workaround for remote-wakeup issues with Barrot 8041a02 fake CSR controllers
2020-12-07 17:01:54 +02:00
bus
bus: fsl-mc: return -EPROBE_DEFER when a device is not yet discovered
2021-01-09 16:21:30 -08:00
cdrom
cdrom: Reset sector_size back it is not 2048.
2020-12-12 11:12:25 -07:00
char
UAPI Changes:
2020-12-18 12:38:28 -08:00
clk
clk: tegra30: Add hda clock default rates to clock driver
2021-01-12 14:43:53 +01:00
clocksource
asm-generic: cross-architecture timer cleanup
2020-12-16 00:07:17 -08:00
connector
net/connector: Add const qualifier to cb_id
2020-12-16 11:06:49 -08:00
counter
counter: microchip-tcb-capture: Fix CMR value check
2020-12-03 19:40:31 +00:00
cpufreq
cpufreq: intel_pstate: remove obsolete functions
2021-01-07 18:22:46 +01:00
cpuidle
ARM: SoC drivers for v5.11
2020-12-16 16:38:41 -08:00
crypto
crypto: omap-sham - Fix link error without crypto-engine
2021-01-08 15:37:55 +11:00
dax
libnvdimm for 5.11
2020-12-24 12:18:11 -08:00
dca
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devfreq
Merge branches 'pm-devfreq' and 'pm-tools'
2020-12-15 15:27:16 +01:00
dio
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dma
dmaengine: stm32-mdma: fix STM32_MDMA_VERY_HIGH_PRIORITY value
2021-01-04 21:27:45 +05:30
dma-buf
dma-buf: cma_heap: Fix memory leak in CMA heap
2021-01-10 23:08:21 +05:30
edac
Merge branch 'akpm' (patches from Andrew)
2020-12-15 12:53:37 -08:00
eisa
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extcon
extcon: max77693: Fix modalias string
2020-12-11 17:18:10 +09:00
firewire
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firmware
EFI updates collected by Ard Biesheuvel:
2020-12-24 12:40:07 -08:00
fpga
Merge 5.10-rc7 into char-misc-next
2020-12-07 10:08:14 +01:00
fsi
hwmon patches for v5.11
2020-12-15 16:06:14 -08:00
gnss
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gpio
This is the bulk of the GPIO changes for the v5.11 kernel cycle:
2020-12-17 18:07:20 -08:00
gpu
Merge branch '04.01-ampere-lite' of git://github.com/skeggsb/linux into topic/nouveau-ampere-modeset
2021-01-15 14:48:18 +10:00
greybus
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hid
HID: logitech-hidpp: Add product ID for MX Ergo in Bluetooth mode
2021-01-14 13:27:35 +01:00
hsi
HSI: core: fix a kernel-doc markup
2020-12-02 22:35:44 +01:00
hv
x86/hyperv: Fix kexec panic/hang issues
2021-01-05 17:52:04 +00:00
hwmon
hwmon: (amd_energy) fix allocation of hwmon_channel_info config
2021-01-08 07:31:03 -08:00
hwspinlock
hwspinlock: sirf: Remove the redundant 'of_match_ptr'
2020-12-10 13:34:40 -06:00
hwtracing
Char / Misc driver updates for 5.11-rc1
2020-12-15 14:10:09 -08:00
i2c
i2c: mediatek: Fix apdma and i2c hand-shake timeout
2021-01-05 10:54:37 +01:00
i3c
i3c/master/mipi-i3c-hci: quiet maybe-unused variable warning
2020-12-17 10:31:30 +01:00
ide
SCSI fixes on 20210101
2021-01-01 12:58:07 -08:00
idle
intel_idle: add SnowRidge C-state table
2020-12-30 18:25:34 +01:00
iio
Staging / IIO driver patches for 5.11-rc1
2020-12-15 14:18:40 -08:00
infiniband
RDMA/cma: Fix error flow in default_roce_mode_store
2021-01-14 12:53:13 -04:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-12-15 16:18:23 -08:00
interconnect
interconnect: imx8mq: Use icc_sync_state
2020-12-28 14:03:02 +02:00
iommu
iommu/vt-d: Fix duplicate included linux/dma-map-ops.h
2021-01-12 16:56:20 +00:00
ipack
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irqchip
ARM:
2020-12-20 10:44:05 -08:00
isdn
misdn: dsp: select CONFIG_BITREVERSE
2021-01-05 15:50:36 -08:00
leds
…
lightnvm
lightnvm: select CONFIG_CRC32
2021-01-03 14:54:44 -07:00
macintosh
macintosh/adb-iop: Send correct poll command
2020-12-07 10:48:16 +01:00
mailbox
mailbox: arm_mhuv2: Add driver
2020-12-09 19:26:02 -06:00
mcb
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md
- Fix DM-raid's raid1 discard limits so discards work.
2021-01-15 18:01:17 -08:00
media
ARM: SoC drivers for v5.11
2020-12-16 16:38:41 -08:00
memory
Merge tag 'memory-controller-drv-tegra-5.11-3' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux-mem-ctrl into arm/drivers
2020-12-09 00:40:02 +01:00
memstick
memstick: r592: Fix error return in r592_probe()
2020-12-04 12:27:10 +01:00
message
SCSI misc on 20201216
2020-12-16 13:34:31 -08:00
mfd
mfd: ab8500-debugfs: Remove extraneous seq_putc
2020-12-26 09:19:49 -08:00
misc
misc: pvpanic: Check devm_ioport_map() for NULL
2021-01-07 20:28:01 +01:00
mmc
MMC core:
2020-12-15 15:57:25 -08:00
most
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mtd
This pull request contains changes for JFFS2, UBI and UBIFS:
2020-12-17 17:46:34 -08:00
mux
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net
net, veth: Alloc skb in bulk for ndo_xdp_xmit
2021-02-04 01:00:07 +01:00
nfc
nfc: s3fwrn5: Remove unused NCI prop commands
2020-12-16 13:09:35 -08:00
ntb
Big fix for IDT NTB and Intel NTB LTR management support
2020-12-27 09:22:55 -08:00
nubus
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nvdimm
libnvdimm/label: Return -ENXIO for no slot in __blk_label_update
2020-12-16 16:53:00 -08:00
nvme
nvme: don't intialize hwmon for discovery controllers
2021-01-14 20:27:35 +01:00
nvmem
nvmem: imx-ocotp: add support for the unaliged word count
2020-11-27 16:10:07 +01:00
of
Driver core updates for 5.11-rc1
2020-12-15 14:02:26 -08:00
opp
opp: Call the missing clk_put() on error
2020-12-28 10:56:22 +05:30
oprofile
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parisc
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parport
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pci
pci-v5.11-fixes-1
2020-12-25 20:17:40 -08:00
pcmcia
Merge branch 'pcmcia-next' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/linux
2020-12-19 12:50:10 -08:00
perf
Revert "arm64: Enable perf events based hard lockup detector"
2021-01-13 15:08:41 +00:00
phy
Char / Misc driver updates for 5.11-rc1
2020-12-15 14:10:09 -08:00
pinctrl
A treewide cleanup of interrupt descriptor (ab)use with all sorts of racy
2020-12-24 13:50:23 -08:00
platform
chrome platform changes for 5.11
2020-12-23 15:06:22 -08:00
pnp
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power
power: supply: Fix a typo in warning message
2020-12-13 01:00:10 +01:00
powercap
Merge branches 'pm-sleep', 'pm-acpi', 'pm-domains' and 'powercap'
2020-12-15 15:26:14 +01:00
pps
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ps3
powerpc/ps3: use dma_mapping_error()
2020-12-15 22:50:12 +11:00
ptp
ptp: ptp_ines: prevent build when HAS_IOMEM is not set
2021-01-06 16:17:23 -08:00
pwm
pwm: Changes for v5.11-rc1
2020-12-19 11:51:32 -08:00
rapidio
rapidio: remove unused rio_get_asm() and rio_get_device()
2020-12-15 22:46:18 -08:00
ras
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regulator
Merge qcom driver fix into regulator-5.11
2021-01-04 16:23:20 +00:00
remoteproc
ARM: SoC drivers for v5.11
2020-12-16 16:38:41 -08:00
reset
ARM: SoC drivers for v5.11
2020-12-16 16:38:41 -08:00
rpmsg
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rtc
RTC for 5.11
2020-12-20 10:12:06 -08:00
s390
s390/qeth: fix L2 header access in qeth_l3_osa_features_check()
2021-01-07 18:54:06 -08:00
sbus
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scsi
scsi: sd: Remove obsolete variable in sd_remove()
2021-01-05 23:46:33 -05:00
sfi
…
sh
…
siox
siox: Make remove callback return void
2020-12-10 16:17:15 +01:00
slimbus
slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew()
2020-12-10 16:23:56 +01:00
soc
OpenRISC updates for 5.11
2020-12-17 13:41:27 -08:00
soundwire
soundwire: intel: fix another unused-function warning
2020-12-05 13:11:54 +05:30
spi
spi: cadence: cache reference clock rate during probe
2021-01-15 14:14:38 +00:00
spmi
spmi: Add driver shutdown support
2020-12-10 10:45:36 +01:00
ssb
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staging
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-01-14 18:34:50 -08:00
target
scsi: target: Fix XCOPY NAA identifier lookup
2021-01-11 17:06:48 -05:00
tc
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tee
ARM: SoC drivers for v5.11
2020-12-16 16:38:41 -08:00
thermal
- Add Alder Lake support ACPI ids (Srinivas Pandruvada)
2020-12-18 12:19:37 -08:00
thunderbolt
thunderbolt: Changes for v5.11 merge window
2020-12-08 13:41:45 +01:00
tty
RISC-V Fixes for 5.11-rc4
2021-01-16 11:00:08 -08:00
uio
uio: uio_hv_generic: use devm_kzalloc() for private data alloc
2020-12-09 19:59:00 +01:00
usb
usb: dwc3: gadget: Clear wait flag on dequeue
2021-01-07 14:24:35 +01:00
vdpa
virtio,vdpa: features, cleanups, fixes
2020-12-24 12:06:46 -08:00
vfio
ARM:
2020-12-20 10:44:05 -08:00
vhost
vhost_net: avoid tx queue stuck when sendmsg fails
2021-01-19 11:13:30 -08:00
video
UAPI Changes:
2020-12-18 12:38:28 -08:00
virt
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virtio
virtio,vdpa: features, cleanups, fixes
2020-12-24 12:06:46 -08:00
visorbus
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vlynq
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vme
vme: switch from 'pci_' to 'dma_' API
2020-12-09 19:44:34 +01:00
w1
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watchdog
linux-watchdog 5.11-rc1 tag
2020-12-23 15:01:49 -08:00
xen
xen: branch for v5.11-rc4
2021-01-15 10:52:00 -08:00
zorro
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Kconfig
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Makefile
asm-generic: cross-architecture timer cleanup
2020-12-16 00:07:17 -08:00