From f308f0306b49684c795852c65fdd4387889296b2 Mon Sep 17 00:00:00 2001 From: David Howells Date: Fri, 30 Sep 2016 09:33:27 +0100 Subject: [PATCH] rxrpc: Reduce ssthresh to peer's receive window When we receive an ACK from the peer that tells us what the peer's receive window (rwind) is, we should reduce ssthresh to rwind if rwind is smaller than ssthresh. Signed-off-by: David Howells --- net/rxrpc/input.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 21746f0f7ae0c..7993473e56bbd 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -658,6 +658,8 @@ static void rxrpc_input_ackinfo(struct rxrpc_call *call, struct sk_buff *skb, if (rwind > RXRPC_RXTX_BUFF_SIZE - 1) rwind = RXRPC_RXTX_BUFF_SIZE - 1; call->tx_winsize = rwind; + if (call->cong_ssthresh > rwind) + call->cong_ssthresh = rwind; mtu = min(ntohl(ackinfo->rxMTU), ntohl(ackinfo->maxMTU)); -- 2.39.5