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bpf, sk_msg: Add get socket storage helpers

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Add helpers to use local socket storage.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/159033907577.12355.14740125020572756560.stgit@john-Precision-5820-Tower
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
John Fastabend 2020-05-24 09:51:15 -07:00 • committed by Alexei Starovoitov
parent f470378c75
commit 13d70f5a5e
3 changed files with 19 additions and 0 deletions
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2
include/uapi/linux/bpf.h
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@ -3645,6 +3645,8 @@ struct sk_msg_md {
__u32 remote_port; /* Stored in network byte order */
__u32 local_port; /* stored in host byte order */
__u32 size; /* Total size of sk_msg */
__bpf_md_ptr(struct bpf_sock *, sk); /* current socket */
};
struct sk_reuseport_md {