bpf: add bpf_redirect_map helper routine

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BPF programs can use the devmap with a bpf_redirect_map() helper
routine to forward packets to netdevice in map.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

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John Fastabend 2017-07-17 09:29:18 -07:00 • committed by David S. Miller

parent 546ac1ffb7

commit 97f91a7cf0

5 changed files with 78 additions and 1 deletions

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3

include/linux/bpf.h

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8

include/uapi/linux/bpf.h

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12

kernel/bpf/devmap.c

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4

kernel/bpf/verifier.c

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52

net/core/filter.c

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