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From: Eric Dumazet <eric.dumazet@gmail.com>
To: "David S . Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: netdev <netdev@vger.kernel.org>,
	Eric Dumazet <edumazet@google.com>,
	Eric Dumazet <eric.dumazet@gmail.com>,
	Soheil Hassas Yeganeh <soheil@google.com>,
	Neal Cardwell <ncardwell@google.com>,
	Arjun Roy <arjunroy@google.com>
Subject: [PATCH net-next 09/20] net: forward_alloc_get depends on CONFIG_MPTCP
Date: Mon, 15 Nov 2021 11:02:38 -0800	[thread overview]
Message-ID: <20211115190249.3936899-10-eric.dumazet@gmail.com> (raw)
In-Reply-To: <20211115190249.3936899-1-eric.dumazet@gmail.com>

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)
-- 
2.34.0.rc1.387.gb447b232ab-goog


  parent reply	other threads:[~2021-11-16  0:28 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-15 19:02 [PATCH net-next 00/20] tcp: optimizations for linux-5.17 Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 01/20] tcp: minor optimization in tcp_add_backlog() Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 02/20] tcp: remove dead code in __tcp_v6_send_check() Eric Dumazet
2021-11-16  2:48   ` David Ahern
2021-11-16  2:57     ` Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 03/20] tcp: small optimization in tcp_v6_send_check() Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 04/20] net: use sk_is_tcp() in more places Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 05/20] net: remove sk_route_forced_caps Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 06/20] net: remove sk_route_nocaps Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 07/20] ipv6: shrink struct ipcm6_cookie Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 08/20] net: shrink struct sock by 8 bytes Eric Dumazet
2021-11-15 19:02 ` Eric Dumazet [this message]
2021-11-15 19:02 ` [PATCH net-next 10/20] net: cache align tcp_memory_allocated, tcp_sockets_allocated Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 11/20] tcp: small optimization in tcp recvmsg() Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 12/20] tcp: add RETPOLINE mitigation to sk_backlog_rcv Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 13/20] tcp: annotate data-races on tp->segs_in and tp->data_segs_in Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 14/20] tcp: annotate races around tp->urg_data Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 15/20] tcp: tp->urg_data is unlikely to be set Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 16/20] tcp: avoid indirect calls to sock_rfree Eric Dumazet
2021-11-15 19:16   ` Arjun Roy
2021-11-15 19:02 ` [PATCH net-next 17/20] tcp: defer skb freeing after socket lock is released Eric Dumazet
2021-11-16 14:27   ` Jakub Kicinski
2021-11-16 15:05     ` Eric Dumazet
2021-11-16 15:20       ` Jakub Kicinski
2021-11-16 15:22       ` Eric Dumazet
2021-11-16 15:27         ` Jakub Kicinski
2021-11-16 16:46           ` Eric Dumazet
2021-11-16 18:18             ` Jakub Kicinski
2021-11-16 20:45             ` David Ahern
2021-11-16 21:35               ` Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 18/20] tcp: check local var (timeo) before socket fields in one test Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 19/20] tcp: do not call tcp_cleanup_rbuf() if we have a backlog Eric Dumazet
2021-11-15 19:02 ` [PATCH net-next 20/20] net: move early demux fields close to sk_refcnt Eric Dumazet
2021-11-15 20:37 ` [PATCH net-next 00/20] tcp: optimizations for linux-5.17 Soheil Hassas Yeganeh
2021-11-15 21:40   ` Paolo Abeni
2021-11-15 21:47     ` Eric Dumazet
2021-11-16  2:06       ` Eric Dumazet
2021-11-16  4:01         ` Arjun Roy
2021-11-16 13:32         ` David Miller
2021-11-16 15:06           ` Eric Dumazet

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