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authorDavid Howells <dhowells@redhat.com>2016-09-30 08:33:27 (GMT)
committerDavid Howells <dhowells@redhat.com>2016-09-30 13:38:59 (GMT)
commit0851115090a3eb9585d6a804a61e47f3d89ac2a8 (patch)
tree53f95140d40b06d99a71f08f30ecbe2e713513f6 /net/rxrpc/input.c
parent8782def204e57f6a507ff425e4944df4e010751a (diff)
downloadlinux-0851115090a3eb9585d6a804a61e47f3d89ac2a8.tar.xz
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 21746f0..7993473 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));