From: Jon Mason Date: Fri, 1 Feb 2013 22:34:35 +0000 (-0700) Subject: NTB: reset tx_index on link toggle X-Git-Tag: v3.10-rc2~16^2~4 X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=90f9e934647e652a69396e18c779215a493271cf;p=cascardo%2Flinux.git NTB: reset tx_index on link toggle If the NTB link toggles, the driver could stop receiving due to the tx_index not being set to 0 on the transmitting size on a link-up event. This is due to the driver expecting the incoming data to start at the beginning of the receive buffer and not at a random place. Signed-off-by: Jon Mason --- diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c index be416d6850f0..73a000ed7a9f 100644 --- a/drivers/ntb/ntb_transport.c +++ b/drivers/ntb/ntb_transport.c @@ -505,6 +505,7 @@ static void ntb_transport_setup_qp_mw(struct ntb_transport *nt, qp->rx_pkts = 0; qp->tx_pkts = 0; + qp->tx_index = 0; } static void ntb_free_mw(struct ntb_transport *nt, int num_mw) @@ -819,7 +820,6 @@ static void ntb_transport_init_queue(struct ntb_transport *nt, qp->tx_mw = qp->rx_info + 1; qp->tx_max_frame = min(transport_mtu, tx_size); qp->tx_max_entry = tx_size / qp->tx_max_frame; - qp->tx_index = 0; if (nt->debugfs_dir) { char debugfs_name[4];