[PATCH net-next 09/20] net: forward_alloc_get depends on CONFIG_MPTCP
From: Eric Dumazet <hidden>
Date: 2021-11-16 00:28:09
Subsystem:
networking [general], networking [sockets], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Kuniyuki Iwashima, Willem de Bruijn, Linus Torvalds
From: Eric Dumazet <edumazet@google.com> (struct proto)->sk_forward_alloc is currently only used by MPTCP. Signed-off-by: Eric Dumazet <edumazet@google.com> --- include/net/sock.h | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/include/net/sock.h b/include/net/sock.h
index 2333ab08178903533cbc2dc1415a0de9545aa6db..cb97c448472aa5af3055916df844cbe422578190 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h@@ -1206,7 +1206,9 @@ struct proto { unsigned int inuse_idx; #endif +#if IS_ENABLED(CONFIG_MPTCP) int (*forward_alloc_get)(const struct sock *sk); +#endif bool (*stream_memory_free)(const struct sock *sk, int wake); bool (*sock_is_readable)(struct sock *sk);
@@ -1295,10 +1297,11 @@ INDIRECT_CALLABLE_DECLARE(bool tcp_stream_memory_free(const struct sock *sk, int static inline int sk_forward_alloc_get(const struct sock *sk) { - if (!sk->sk_prot->forward_alloc_get) - return sk->sk_forward_alloc; - - return sk->sk_prot->forward_alloc_get(sk); +#if IS_ENABLED(CONFIG_MPTCP) + if (sk->sk_prot->forward_alloc_get) + return sk->sk_prot->forward_alloc_get(sk); +#endif + return sk->sk_forward_alloc; } static inline bool __sk_stream_memory_free(const struct sock *sk, int wake)
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2.34.0.rc1.387.gb447b232ab-goog