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Date: Wed, 15 Jan 2020 14:22:41 -0800 From: Martin KaFai Lau <kafai@...com> To: <bpf@...r.kernel.org> CC: Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, David Miller <davem@...emloft.net>, <kernel-team@...com>, <netdev@...r.kernel.org> Subject: [PATCH v2 bpf-next 0/5] bpftool: Support dumping a map with btf_vmlinux_value_type_id When a map is storing a kernel's struct, its map_info->btf_vmlinux_value_type_id is set. The first map type supporting it is BPF_MAP_TYPE_STRUCT_OPS. This series adds support to dump this kind of map with BTF. The first two patches are bug fixes which only applicable to in bpf-next. Please see individual patches for details. v2: - Expose bpf_find_kernel_btf() as a LIBBPF_API in patch 3 (Andrii) - Cache btf_vmlinux in bpftool/map.c (Andrii) Martin KaFai Lau (5): bpftool: Fix a leak of btf object bpftool: Fix missing BTF output for json during map dump libbpf: Expose bpf_find_kernel_btf as a LIBBPF_API bpftool: Add struct_ops map name bpftool: Support dumping a map with btf_vmlinux_value_type_id tools/bpf/bpftool/map.c | 103 ++++++++++++++++++++++++--------------- tools/lib/bpf/btf.c | 102 +++++++++++++++++++++++++++++++++++--- tools/lib/bpf/btf.h | 2 + tools/lib/bpf/libbpf.c | 93 ++--------------------------------- tools/lib/bpf/libbpf.map | 1 + 5 files changed, 167 insertions(+), 134 deletions(-) -- 2.17.1
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