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path: root/drivers/net/can/vcan.c
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Diffstat (limited to 'drivers/net/can/vcan.c')
-rw-r--r--drivers/net/can/vcan.c25
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c
index 39ca14b0585d..285635c23443 100644
--- a/drivers/net/can/vcan.c
+++ b/drivers/net/can/vcan.c
@@ -40,6 +40,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+#include <linux/ethtool.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/netdevice.h>
@@ -70,34 +71,36 @@ MODULE_PARM_DESC(echo, "Echo sent frames (for testing). Default: 0 (Off)");
static void vcan_rx(struct sk_buff *skb, struct net_device *dev)
{
- struct canfd_frame *cfd = (struct canfd_frame *)skb->data;
struct net_device_stats *stats = &dev->stats;
stats->rx_packets++;
- stats->rx_bytes += cfd->len;
+ stats->rx_bytes += can_skb_get_data_len(skb);
skb->pkt_type = PACKET_BROADCAST;
skb->dev = dev;
skb->ip_summed = CHECKSUM_UNNECESSARY;
- netif_rx_ni(skb);
+ netif_rx(skb);
}
static netdev_tx_t vcan_tx(struct sk_buff *skb, struct net_device *dev)
{
- struct canfd_frame *cfd = (struct canfd_frame *)skb->data;
struct net_device_stats *stats = &dev->stats;
+ unsigned int len;
int loop;
if (can_dropped_invalid_skb(dev, skb))
return NETDEV_TX_OK;
+ len = can_skb_get_data_len(skb);
stats->tx_packets++;
- stats->tx_bytes += cfd->len;
+ stats->tx_bytes += len;
/* set flag whether this packet has to be looped back */
loop = skb->pkt_type == PACKET_LOOPBACK;
+ skb_tx_timestamp(skb);
+
if (!echo) {
/* no echo handling available inside this driver */
if (loop) {
@@ -105,7 +108,7 @@ static netdev_tx_t vcan_tx(struct sk_buff *skb, struct net_device *dev)
* CAN core already did the echo for us
*/
stats->rx_packets++;
- stats->rx_bytes += cfd->len;
+ stats->rx_bytes += len;
}
consume_skb(skb);
return NETDEV_TX_OK;
@@ -133,7 +136,8 @@ static int vcan_change_mtu(struct net_device *dev, int new_mtu)
if (dev->flags & IFF_UP)
return -EBUSY;
- if (new_mtu != CAN_MTU && new_mtu != CANFD_MTU)
+ if (new_mtu != CAN_MTU && new_mtu != CANFD_MTU &&
+ !can_is_canxl_dev_mtu(new_mtu))
return -EINVAL;
dev->mtu = new_mtu;
@@ -145,6 +149,10 @@ static const struct net_device_ops vcan_netdev_ops = {
.ndo_change_mtu = vcan_change_mtu,
};
+static const struct ethtool_ops vcan_ethtool_ops = {
+ .get_ts_info = ethtool_op_get_ts_info,
+};
+
static void vcan_setup(struct net_device *dev)
{
dev->type = ARPHRD_CAN;
@@ -153,13 +161,14 @@ static void vcan_setup(struct net_device *dev)
dev->addr_len = 0;
dev->tx_queue_len = 0;
dev->flags = IFF_NOARP;
- dev->ml_priv = netdev_priv(dev);
+ can_set_ml_priv(dev, netdev_priv(dev));
/* set flags according to driver capabilities */
if (echo)
dev->flags |= IFF_ECHO;
dev->netdev_ops = &vcan_netdev_ops;
+ dev->ethtool_ops = &vcan_ethtool_ops;
dev->needs_free_netdev = true;
}