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bpf: add bpf_redirect_map helper routine
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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- include/linux/bpf.h 3 additions, 0 deletionsinclude/linux/bpf.h
- include/uapi/linux/bpf.h 7 additions, 1 deletioninclude/uapi/linux/bpf.h
- kernel/bpf/devmap.c 12 additions, 0 deletionskernel/bpf/devmap.c
- kernel/bpf/verifier.c 4 additions, 0 deletionskernel/bpf/verifier.c
- net/core/filter.c 52 additions, 0 deletionsnet/core/filter.c
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