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tcp: make tcp_rcvbuf_grow() accessible to mptcp code

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To leverage the auto-tuning improvements brought by commit 2da35e4b4d
("Merge branch 'tcp-receive-side-improvements'"), the MPTCP stack need
to access the mentioned helper.

Acked-by: Geliang Tang <geliang@kernel.org>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250927-net-next-mptcp-rcv-path-imp-v1-2-5da266aa9c1a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni 2025-09-27 11:40:38 +02:00 committed by Jakub Kicinski
parent 9aa59323f2
commit a755677974
2 changed files with 2 additions and 1 deletions
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1
include/net/tcp.h
View File

@ -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);

2
net/ipv4/tcp_input.c
View File

@ -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);