From: Neil Spring <ntspring@fb.com>
To: <davem@davemloft.net>, <edumazet@google.com>
Cc: <yoshfuji@linux-ipv6.org>, <dsahern@kernel.org>,
<kuba@kernel.org>, <netdev@vger.kernel.org>,
<ncardwell@google.com>, <ycheng@google.com>,
Neil Spring <ntspring@fb.com>
Subject: [net 1/1] tcp: enable mid stream window clamp
Date: Wed, 18 Aug 2021 14:23:31 -0700 [thread overview]
Message-ID: <20210818212331.3780069-2-ntspring@fb.com> (raw)
In-Reply-To: <20210818212331.3780069-1-ntspring@fb.com>
Signed-off-by: Neil Spring <ntspring@fb.com>
---
net/ipv4/tcp.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index f931def6302e..2dc6212d5888 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3338,6 +3338,8 @@ int tcp_set_window_clamp(struct sock *sk, int val)
} else {
tp->window_clamp = val < SOCK_MIN_RCVBUF / 2 ?
SOCK_MIN_RCVBUF / 2 : val;
+ tp->rcv_ssthresh = min(tp->rcv_ssthresh,
+ tp->window_clamp);
}
return 0;
}
--
2.30.2
prev parent reply other threads:[~2021-08-18 21:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-18 21:23 [net-next 0/1] tcp: support window clamp mid-stream Neil Spring
2021-08-18 21:23 ` Neil Spring [this message]
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