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authorMartin KaFai Lau <kafai@fb.com>2017-06-27 23:08:34 -0700
committerDavid S. Miller <davem@davemloft.net>2017-06-29 13:13:25 -0400
commit14dc6f04f49dc12614d7e90928b495b8d73cd471 (patch)
tree159ebddef04be2ae417c503ab46593be570c680f /samples
parent77b0d3617738e532bae683bf9d88ea35fff223e5 (diff)
download96b-common-14dc6f04f49dc12614d7e90928b495b8d73cd471.tar.gz
bpf: Add syscall lookup support for fd array and htab
This patch allows userspace to do BPF_MAP_LOOKUP_ELEM on BPF_MAP_TYPE_PROG_ARRAY, BPF_MAP_TYPE_ARRAY_OF_MAPS and BPF_MAP_TYPE_HASH_OF_MAPS. The lookup returns a prog-id or map-id to the userspace. The userspace can then use the BPF_PROG_GET_FD_BY_ID or BPF_MAP_GET_FD_BY_ID to get a fd. Signed-off-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'samples')
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