From: Paolo Abeni Date: Sat, 27 Sep 2025 09:40:38 +0000 (+0200) Subject: tcp: make tcp_rcvbuf_grow() accessible to mptcp code X-Git-Tag: v6.18-rc1~132^2~24^2~6 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a7556779745c047efb7b0ce8732889b0cdc80936;p=thirdparty%2Flinux.git tcp: make tcp_rcvbuf_grow() accessible to mptcp code To leverage the auto-tuning improvements brought by commit 2da35e4b4df9 ("Merge branch 'tcp-receive-side-improvements'"), the MPTCP stack need to access the mentioned helper. Acked-by: Geliang Tang Acked-by: Matthieu Baerts (NGI0) Signed-off-by: Paolo Abeni Signed-off-by: Matthieu Baerts (NGI0) Link: https://patch.msgid.link/20250927-net-next-mptcp-rcv-path-imp-v1-2-5da266aa9c1a@kernel.org Signed-off-by: Jakub Kicinski --- diff --git a/include/net/tcp.h b/include/net/tcp.h index 7c51a0a5ace82..5ca230ed526ae 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -370,6 +370,7 @@ void tcp_delack_timer_handler(struct sock *sk); int tcp_ioctl(struct sock *sk, int cmd, int *karg); enum skb_drop_reason tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb); void tcp_rcv_established(struct sock *sk, struct sk_buff *skb); +void tcp_rcvbuf_grow(struct sock *sk); void tcp_rcv_space_adjust(struct sock *sk); int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp); void tcp_twsk_destructor(struct sock *sk); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 0a2511ce34db2..b44fdc3096338 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -891,7 +891,7 @@ static inline void tcp_rcv_rtt_measure_ts(struct sock *sk, } } -static void tcp_rcvbuf_grow(struct sock *sk) +void tcp_rcvbuf_grow(struct sock *sk) { const struct net *net = sock_net(sk); struct tcp_sock *tp = tcp_sk(sk);