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libbpf: add BPF token support to bpf_map_create() API
Add ability to provide token_fd for BPF_MAP_CREATE command through bpf_map_create() API. Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/r/20231130185229.2688956-14-andrii@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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2 changed files with 7 additions and 2 deletions
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@ -169,7 +169,7 @@ int bpf_map_create(enum bpf_map_type map_type,
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__u32 max_entries,
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const struct bpf_map_create_opts *opts)
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{
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const size_t attr_sz = offsetofend(union bpf_attr, map_extra);
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const size_t attr_sz = offsetofend(union bpf_attr, map_token_fd);
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union bpf_attr attr;
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int fd;
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@ -198,6 +198,8 @@ int bpf_map_create(enum bpf_map_type map_type,
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attr.numa_node = OPTS_GET(opts, numa_node, 0);
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attr.map_ifindex = OPTS_GET(opts, map_ifindex, 0);
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attr.map_token_fd = OPTS_GET(opts, token_fd, 0);
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fd = sys_bpf_fd(BPF_MAP_CREATE, &attr, attr_sz);
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return libbpf_err_errno(fd);
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}
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@ -51,8 +51,11 @@ struct bpf_map_create_opts {
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__u32 numa_node;
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__u32 map_ifindex;
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__u32 token_fd;
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size_t :0;
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};
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#define bpf_map_create_opts__last_field map_ifindex
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#define bpf_map_create_opts__last_field token_fd
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LIBBPF_API int bpf_map_create(enum bpf_map_type map_type,
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const char *map_name,
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