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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
Download Patch File Download Diff File Expand all files Collapse all files

18
include/linux/skmsg.h
View File

@@ -71,7 +71,9 @@ struct sk_psock_link {
};
struct sk_psock_parser {
#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER)
struct strparser strp;
#endif
bool enabled;
void (*saved_data_ready)(struct sock *sk);
};
@@ -305,9 +307,25 @@ static inline void sk_psock_report_error(struct sk_psock *psock, int err)
struct sk_psock *sk_psock_init(struct sock *sk, int node);
#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER)
int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock);
void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock);
void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock);
#else
static inline int sk_psock_init_strp(struct sock *sk, struct sk_psock *psock)
{
return -EOPNOTSUPP;
}
static inline void sk_psock_start_strp(struct sock *sk, struct sk_psock *psock)
{
}
static inline void sk_psock_stop_strp(struct sock *sk, struct sk_psock *psock)
{
}
#endif
void sk_psock_start_verdict(struct sock *sk, struct sk_psock *psock);
void sk_psock_stop_verdict(struct sock *sk, struct sk_psock *psock);