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Date: Sat, 21 Jul 2018 11:20:40 -0700 From: Martin KaFai Lau <kafai@...com> To: <netdev@...r.kernel.org> CC: Alexei Starovoitov <ast@...com>, Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com> Subject: [PATCH v2 bpf 0/3] Introduce BPF_ANNOTATE_KV_PAIR The series allows the BPF loader to figure out the btf_key_id and btf_value_id from a map's name by using BPF_ANNOTATE_KV_PAIR. It also removes the old 'typedef' way which requires two separate typedefs (one for the key and one for the value). By doing this, iproute2 and libbpf have one consistent way to figure out the btf_key_type_id and btf_value_type_id for a map. The first two patches are some prep/cleanup works. The last patch introduces BPF_ANNOTATE_KV_PAIR. v2: - Fix the incorrect '&&' check on container_type in bpf_map_find_btf_info(). - Expose the existing static btf_type_by_id() instead of creating a new one. Martin KaFai Lau (3): bpf: btf: Sync uapi btf.h to tools bpf: Replace [u]int32_t and [u]int64_t in libbpf bpf: Introduce BPF_ANNOTATE_KV_PAIR tools/include/uapi/linux/btf.h | 2 +- tools/lib/bpf/btf.c | 33 ++++---- tools/lib/bpf/btf.h | 10 ++- tools/lib/bpf/libbpf.c | 85 +++++++++++--------- tools/lib/bpf/libbpf.h | 4 +- tools/testing/selftests/bpf/bpf_helpers.h | 9 +++ tools/testing/selftests/bpf/test_btf_haskv.c | 7 +- 7 files changed, 80 insertions(+), 70 deletions(-) -- 2.17.1
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