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bpf: add csum_diff helper to xdp as well

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Useful for porting cls_bpf programs w/o increasing program
complexity limits much at the same time, so add the helper
to XDP as well.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Daniel Borkmann 2018-01-20 01:24:30 +01:00 committed by Alexei Starovoitov
parent 9013341594
commit 205c380778
1 changed files with 2 additions and 0 deletions
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2
net/core/filter.c
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@ -3456,6 +3456,8 @@ xdp_func_proto(enum bpf_func_id func_id)
return &bpf_xdp_event_output_proto;
case BPF_FUNC_get_smp_processor_id:
return &bpf_get_smp_processor_id_proto;
case BPF_FUNC_csum_diff:
return &bpf_csum_diff_proto;
case BPF_FUNC_xdp_adjust_head:
return &bpf_xdp_adjust_head_proto;
case BPF_FUNC_xdp_adjust_meta: