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bpf: Implement BPF XDP link-specific introspection APIs

Implement XDP link-specific show_fdinfo and link_info to emit ifindex.

Andrii Nakryiko committed 6 years ago

Commit c1931c91 parent 026a4c22 files · +34 −0Browse files

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include/uapi/linux/bpf.h+3−0
@@ -4069,6 +4069,9 @@ struct bpf_link_info { · 4068 unmodified lines
40694069 __u32 netns_ino;
40704070 __u32 attach_type;
40714071 } netns;
4072+ struct {
4073+ __u32 ifindex;
4074+ } xdp;
40724075 };
40734076 } __attribute__((aligned(8)));
40744077