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authorDavid Howells <dhowells@redhat.com>2016-09-30 09:33:27 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-30 14:38:59 +0100
commit0851115090a3eb9585d6a804a61e47f3d89ac2a8 (patch)
tree53f95140d40b06d99a71f08f30ecbe2e713513f6 /net/rxrpc/input.c
parent8782def204e57f6a507ff425e4944df4e010751a (diff)
downloadlinux-0851115090a3eb9585d6a804a61e47f3d89ac2a8.tar.bz2
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 <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc/input.c')
-rw-r--r--net/rxrpc/input.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 21746f0f7ae0..7993473e56bb 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));