aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/gianfar.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/gianfar.c')
-rw-r--r--drivers/net/gianfar.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 1830f3199cb..28b53d1cd4f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -381,10 +381,14 @@ static void gfar_init_mac(struct net_device *ndev)
/* Insert receive time stamps into padding alignment bytes */
if (priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER) {
rctrl &= ~RCTRL_PAL_MASK;
- rctrl |= RCTRL_PRSDEP_INIT | RCTRL_TS_ENABLE | RCTRL_PADDING(8);
+ rctrl |= RCTRL_PADDING(8);
priv->padding = 8;
}
+ /* Enable HW time stamping if requested from user space */
+ if (priv->hwts_rx_en)
+ rctrl |= RCTRL_PRSDEP_INIT | RCTRL_TS_ENABLE;
+
/* keep vlan related bits if it's enabled */
if (priv->vlgrp) {
rctrl |= RCTRL_VLEX | RCTRL_PRSDEP_INIT;
@@ -806,12 +810,20 @@ static int gfar_hwtstamp_ioctl(struct net_device *netdev,
switch (config.rx_filter) {
case HWTSTAMP_FILTER_NONE:
- priv->hwts_rx_en = 0;
+ if (priv->hwts_rx_en) {
+ stop_gfar(netdev);
+ priv->hwts_rx_en = 0;
+ startup_gfar(netdev);
+ }
break;
default:
if (!(priv->device_flags & FSL_GIANFAR_DEV_HAS_TIMER))
return -ERANGE;
- priv->hwts_rx_en = 1;
+ if (!priv->hwts_rx_en) {
+ stop_gfar(netdev);
+ priv->hwts_rx_en = 1;
+ startup_gfar(netdev);
+ }
config.rx_filter = HWTSTAMP_FILTER_ALL;
break;
}
@@ -2643,6 +2655,10 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
dma_unmap_single(&priv->ofdev->dev, bdp->bufPtr,
priv->rx_buffer_size, DMA_FROM_DEVICE);
+ if (unlikely(!(bdp->status & RXBD_ERR) &&
+ bdp->length > priv->rx_buffer_size))
+ bdp->status = RXBD_LARGE;
+
/* We drop the frame if we failed to allocate a new buffer */
if (unlikely(!newskb || !(bdp->status & RXBD_LAST) ||
bdp->status & RXBD_ERR)) {