bpf: Add bpf_skc_to_unix_sock() helper

Browse source

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

Suggested-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Hengqi Chen <hengqi.chen@gmail.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20211021134752.1223426-2-hengqi.chen@gmail.com

...

This commit is contained in:

Hengqi Chen 2021-10-21 21:47:51 +08:00 • committed by Alexei Starovoitov

parent 44ce0ac11e

commit 9eeb3aa33a

6 changed files with 42 additions and 0 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

1

include/linux/bpf.h

View file

7

include/uapi/linux/bpf.h

View file