forked from luck/tmp_suning_uos_patched
libbpf: Add support for SK_LOOKUP program type
Make libbpf aware of the newly added program type, and assign it a section name. Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Andrii Nakryiko <andriin@fb.com> Link: https://lore.kernel.org/bpf/20200717103536.397595-13-jakub@cloudflare.com
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@ -6799,6 +6799,7 @@ BPF_PROG_TYPE_FNS(perf_event, BPF_PROG_TYPE_PERF_EVENT);
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BPF_PROG_TYPE_FNS(tracing, BPF_PROG_TYPE_TRACING);
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BPF_PROG_TYPE_FNS(struct_ops, BPF_PROG_TYPE_STRUCT_OPS);
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BPF_PROG_TYPE_FNS(extension, BPF_PROG_TYPE_EXT);
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BPF_PROG_TYPE_FNS(sk_lookup, BPF_PROG_TYPE_SK_LOOKUP);
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enum bpf_attach_type
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bpf_program__get_expected_attach_type(struct bpf_program *prog)
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@ -6981,6 +6982,8 @@ static const struct bpf_sec_def section_defs[] = {
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BPF_EAPROG_SEC("cgroup/setsockopt", BPF_PROG_TYPE_CGROUP_SOCKOPT,
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BPF_CGROUP_SETSOCKOPT),
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BPF_PROG_SEC("struct_ops", BPF_PROG_TYPE_STRUCT_OPS),
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BPF_EAPROG_SEC("sk_lookup/", BPF_PROG_TYPE_SK_LOOKUP,
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BPF_SK_LOOKUP),
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};
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#undef BPF_PROG_SEC_IMPL
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@ -350,6 +350,7 @@ LIBBPF_API int bpf_program__set_perf_event(struct bpf_program *prog);
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LIBBPF_API int bpf_program__set_tracing(struct bpf_program *prog);
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LIBBPF_API int bpf_program__set_struct_ops(struct bpf_program *prog);
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LIBBPF_API int bpf_program__set_extension(struct bpf_program *prog);
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LIBBPF_API int bpf_program__set_sk_lookup(struct bpf_program *prog);
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LIBBPF_API enum bpf_prog_type bpf_program__get_type(struct bpf_program *prog);
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LIBBPF_API void bpf_program__set_type(struct bpf_program *prog,
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@ -377,6 +378,7 @@ LIBBPF_API bool bpf_program__is_perf_event(const struct bpf_program *prog);
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LIBBPF_API bool bpf_program__is_tracing(const struct bpf_program *prog);
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LIBBPF_API bool bpf_program__is_struct_ops(const struct bpf_program *prog);
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LIBBPF_API bool bpf_program__is_extension(const struct bpf_program *prog);
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LIBBPF_API bool bpf_program__is_sk_lookup(const struct bpf_program *prog);
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/*
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* No need for __attribute__((packed)), all members of 'bpf_map_def'
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@ -287,6 +287,8 @@ LIBBPF_0.1.0 {
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bpf_map__type;
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bpf_map__value_size;
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bpf_program__autoload;
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bpf_program__is_sk_lookup;
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bpf_program__set_autoload;
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bpf_program__set_sk_lookup;
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btf__set_fd;
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} LIBBPF_0.0.9;
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@ -78,6 +78,9 @@ probe_load(enum bpf_prog_type prog_type, const struct bpf_insn *insns,
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case BPF_PROG_TYPE_CGROUP_SOCK_ADDR:
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xattr.expected_attach_type = BPF_CGROUP_INET4_CONNECT;
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break;
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case BPF_PROG_TYPE_SK_LOOKUP:
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xattr.expected_attach_type = BPF_SK_LOOKUP;
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break;
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case BPF_PROG_TYPE_KPROBE:
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xattr.kern_version = get_kernel_version();
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break;
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