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bpf: Clean up sockmap related Kconfigs

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As suggested by John, clean up sockmap related Kconfigs:

Reduce the scope of CONFIG_BPF_STREAM_PARSER down to TCP stream
parser, to reflect its name.

Make the rest sockmap code simply depend on CONFIG_BPF_SYSCALL
and CONFIG_INET, the latter is still needed at this point because
of TCP/UDP proto update. And leave CONFIG_NET_SOCK_MSG untouched,
as it is used by non-sockmap cases.

Signed-off-by: Cong Wang <cong.wang@bytedance.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Reviewed-by: Lorenz Bauer <lmb@cloudflare.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20210223184934.6054-2-xiyou.wangcong@gmail.com
This commit is contained in:
Cong Wang
2021-02-23 10:49:26 -08:00
committed by Alexei Starovoitov
parent a83586a7dd
commit 887596095e
12 changed files with 133 additions and 103 deletions
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4
include/net/udp.h
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@@ -515,9 +515,9 @@ static inline struct sk_buff *udp_rcv_segment(struct sock *sk,
return segs;
}
#ifdef CONFIG_BPF_STREAM_PARSER
#ifdef CONFIG_BPF_SYSCALL
struct sk_psock;
struct proto *udp_bpf_get_proto(struct sock *sk, struct sk_psock *psock);
#endif /* BPF_STREAM_PARSER */
#endif
#endif /* _UDP_H */