[PATCH bpf-next v3 04/12] bpf: tcp: guard declarations with CONFIG_NET_SOCK_MSG

Lorenz Bauer
2020-03-04T10:14:28Z

tcp_bpf.c is only included in the build if CONFIG_NET_SOCK_MSG is
selected. The declaration should therefore be guarded as such.

Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
---
include/net/tcp.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index ccf39d80b695..ad3abeaa703e 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -2195,6 +2195,7 @@ void tcp_update_ulp(struct sock *sk, struct proto *p,
struct sk_msg;
struct sk_psock;

+#ifdef CONFIG_NET_SOCK_MSG
int tcp_bpf_init(struct sock *sk);
int tcp_bpf_sendmsg_redir(struct sock *sk, struct sk_msg *msg, u32 bytes,
int flags);
@@ -2202,13 +2203,12 @@ int tcp_bpf_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
int nonblock, int flags, int *addr_len);
int __tcp_bpf_recvmsg(struct sock *sk, struct sk_psock *psock,
struct msghdr *msg, int len, int flags);
-#ifdef CONFIG_NET_SOCK_MSG
void tcp_bpf_clone(const struct sock *sk, struct sock *newsk);
#else
static inline void tcp_bpf_clone(const struct sock *sk, struct sock *newsk)
{
}
-#endif
+#endif /* CONFIG_NET_SOCK_MSG */

/* Call BPF_SOCK_OPS program that returns an int. If the return value
* is < 0, then the BPF op failed (for example if the loaded BPF
--
2.20.1