linux/include
Lorenzo Bianconi 28b1520ebf bpf: cpumap: Implement XDP_REDIRECT for eBPF programs attached to map entries
Introduce XDP_REDIRECT support for eBPF programs attached to cpumap
entries.
This patch has been tested on Marvell ESPRESSObin using a modified
version of xdp_redirect_cpu sample in order to attach a XDP program
to CPUMAP entries to perform a redirect on the mvneta interface.
In particular the following scenario has been tested:

rq (cpu0) --> mvneta - XDP_REDIRECT (cpu0) --> CPUMAP - XDP_REDIRECT (cpu1) --> mvneta

$./xdp_redirect_cpu -p xdp_cpu_map0 -d eth0 -c 1 -e xdp_redirect \
	-f xdp_redirect_kern.o -m tx_port -r eth0

tx: 285.2 Kpps rx: 285.2 Kpps

Attaching a simple XDP program on eth0 to perform XDP_TX gives
comparable results:

tx: 288.4 Kpps rx: 288.4 Kpps

Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/2cf8373a731867af302b00c4ff16c122630c4980.1594734381.git.lorenzo@kernel.org
2020-07-16 17:00:32 +02:00
..
acpi
asm-generic Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-07-13 18:04:05 -07:00
clocksource
crypto crypto: af_alg - fix use-after-free in af_alg_accept() due to bh_lock_sock() 2020-06-18 17:09:54 +10:00
drm
dt-bindings
keys RxRPC: Replace zero-length array with flexible-array 2020-06-15 23:08:32 -05:00
kunit
kvm
linux bpf: cpumap: Add the possibility to attach an eBPF program to cpumap 2020-07-16 17:00:32 +02:00
math-emu
media
misc
net bpf: cpumap: Implement XDP_REDIRECT for eBPF programs attached to map entries 2020-07-16 17:00:32 +02:00
pcmcia
ras
rdma
scsi
soc net: mscc: ocelot: extend watermark encoding function 2020-07-13 17:40:02 -07:00
sound ALSA: compress: fix partial_drain completion state 2020-07-07 11:52:18 +02:00
target
trace bpf: cpumap: Implement XDP_REDIRECT for eBPF programs attached to map entries 2020-07-16 17:00:32 +02:00
uapi bpf: cpumap: Add the possibility to attach an eBPF program to cpumap 2020-07-16 17:00:32 +02:00
vdso
video
xen xen: netif.h: add a new extra type for XDP 2020-07-01 15:25:14 -07:00