tree a0e1c4d3842e4fcf68b2258de801de5e4a092d1c
parent 5788b3a07fc5863606c3b92fa7b1ffe125e6eb4c
author Yonghong Song <yhs@fb.com> 1592953695 -0700
committer Alexei Starovoitov <ast@kernel.org> 1593049079 -0700

bpf: Add bpf_skc_to_udp6_sock() helper

The helper is used in tracing programs to cast a socket
pointer to a udp6_sock pointer.
The return value could be NULL if the casting is illegal.

Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Cc: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/bpf/20200623230815.3988481-1-yhs@fb.com