diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-13 05:04:54 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-13 05:04:54 +0000 |
| commit | 1be3dd63ab5702f33c8cfcab726655e092d45358 (patch) | |
| tree | 180b6c6e5339f3bf576e0e315951497978294b06 /net/ipv4/tcp_input.c | |
| parent | Releasing progress-linux version 6.10.3-1~progress7.99u1. (diff) | |
| download | linux-1be3dd63ab5702f33c8cfcab726655e092d45358.tar.xz linux-1be3dd63ab5702f33c8cfcab726655e092d45358.zip | |
Merging upstream version 6.10.4.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 570e87ad9a..ecd5211085 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -754,8 +754,7 @@ void tcp_rcv_space_adjust(struct sock *sk) * <prev RTT . ><current RTT .. ><next RTT .... > */ - if (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_moderate_rcvbuf) && - !(sk->sk_userlocks & SOCK_RCVBUF_LOCK)) { + if (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_moderate_rcvbuf)) { u64 rcvwin, grow; int rcvbuf; @@ -771,12 +770,22 @@ void tcp_rcv_space_adjust(struct sock *sk) rcvbuf = min_t(u64, tcp_space_from_win(sk, rcvwin), READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_rmem[2])); - if (rcvbuf > sk->sk_rcvbuf) { - WRITE_ONCE(sk->sk_rcvbuf, rcvbuf); + if (!(sk->sk_userlocks & SOCK_RCVBUF_LOCK)) { + if (rcvbuf > sk->sk_rcvbuf) { + WRITE_ONCE(sk->sk_rcvbuf, rcvbuf); - /* Make the window clamp follow along. */ - WRITE_ONCE(tp->window_clamp, - tcp_win_from_space(sk, rcvbuf)); + /* Make the window clamp follow along. */ + WRITE_ONCE(tp->window_clamp, + tcp_win_from_space(sk, rcvbuf)); + } + } else { + /* Make the window clamp follow along while being bounded + * by SO_RCVBUF. + */ + int clamp = tcp_win_from_space(sk, min(rcvbuf, sk->sk_rcvbuf)); + + if (clamp > tp->window_clamp) + WRITE_ONCE(tp->window_clamp, clamp); } } tp->rcvq_space.space = copied; |