diff options
| -rw-r--r-- | daemon/device.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/daemon/device.c b/daemon/device.c index acedbdf..684e009 100644 --- a/daemon/device.c +++ b/daemon/device.c @@ -322,7 +322,12 @@ int device_start_connect(int device_id, uint16_t dport, struct mux_client *clien static void update_connection(struct mux_connection *conn) { - conn->sendable = conn->rx_win - (conn->tx_seq - conn->rx_ack); + uint32_t sent = conn->tx_seq - conn->rx_ack; + + if(conn->rx_win > sent) + conn->sendable = conn->rx_win - sent; + else + conn->sendable = 0; if(conn->sendable > conn->ob_capacity) conn->sendable = conn->ob_capacity; |