summaryrefslogtreecommitdiffstats
path: root/drivers/net/can/bfin_can.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/can/bfin_can.c')
-rw-r--r--drivers/net/can/bfin_can.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c
index 0ec1524523c..866905fa411 100644
--- a/drivers/net/can/bfin_can.c
+++ b/drivers/net/can/bfin_can.c
@@ -26,6 +26,7 @@
#define DRV_NAME "bfin_can"
#define BFIN_CAN_TIMEOUT 100
+#define TX_ECHO_SKB_MAX 1
/*
* transmit and receive channels
@@ -318,6 +319,9 @@ static int bfin_can_start_xmit(struct sk_buff *skb, struct net_device *dev)
u16 val;
int i;
+ if (can_dropped_invalid_skb(dev, skb))
+ return NETDEV_TX_OK;
+
netif_stop_queue(dev);
/* fill id */
@@ -590,7 +594,7 @@ struct net_device *alloc_bfin_candev(void)
struct net_device *dev;
struct bfin_can_priv *priv;
- dev = alloc_candev(sizeof(*priv));
+ dev = alloc_candev(sizeof(*priv), TX_ECHO_SKB_MAX);
if (!dev)
return NULL;
@@ -600,6 +604,7 @@ struct net_device *alloc_bfin_candev(void)
priv->can.bittiming_const = &bfin_can_bittiming_const;
priv->can.do_set_bittiming = bfin_can_set_bittiming;
priv->can.do_set_mode = bfin_can_set_mode;
+ priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
return dev;
}