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-rw-r--r--drivers/net/can/usb/kvaser_usb/kvaser_usb.h1
-rw-r--r--drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c27
2 files changed, 26 insertions, 2 deletions
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb.h b/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
index eefcbe3aadce..841da29cef93 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
@@ -39,6 +39,7 @@
#define KVASER_USB_QUIRK_HAS_SILENT_MODE BIT(0)
#define KVASER_USB_QUIRK_HAS_TXRX_ERRORS BIT(1)
#define KVASER_USB_QUIRK_IGNORE_CLK_FREQ BIT(2)
+#define KVASER_USB_QUIRK_HAS_HARDWARE_TIMESTAMP BIT(3)
/* Device capabilities */
#define KVASER_USB_CAP_BERR_CAP 0x01
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
index ce60b16ac8ee..824cab80aa02 100644
--- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
+++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_core.c
@@ -13,6 +13,7 @@
#include <linux/completion.h>
#include <linux/device.h>
+#include <linux/ethtool.h>
#include <linux/gfp.h>
#include <linux/if.h>
#include <linux/kernel.h>
@@ -89,7 +90,7 @@
#define USB_HYBRID_PRO_CANLIN_PRODUCT_ID 278
static const struct kvaser_usb_driver_info kvaser_usb_driver_info_hydra = {
- .quirks = 0,
+ .quirks = KVASER_USB_QUIRK_HAS_HARDWARE_TIMESTAMP,
.ops = &kvaser_usb_hydra_dev_ops,
};
@@ -665,6 +666,22 @@ static const struct net_device_ops kvaser_usb_netdev_ops = {
.ndo_change_mtu = can_change_mtu,
};
+static const struct net_device_ops kvaser_usb_netdev_ops_hwts = {
+ .ndo_open = kvaser_usb_open,
+ .ndo_stop = kvaser_usb_close,
+ .ndo_eth_ioctl = can_eth_ioctl_hwts,
+ .ndo_start_xmit = kvaser_usb_start_xmit,
+ .ndo_change_mtu = can_change_mtu,
+};
+
+static const struct ethtool_ops kvaser_usb_ethtool_ops = {
+ .get_ts_info = ethtool_op_get_ts_info,
+};
+
+static const struct ethtool_ops kvaser_usb_ethtool_ops_hwts = {
+ .get_ts_info = can_ethtool_op_get_ts_info_hwts,
+};
+
static void kvaser_usb_remove_interfaces(struct kvaser_usb *dev)
{
int i;
@@ -742,7 +759,13 @@ static int kvaser_usb_init_one(struct kvaser_usb *dev, int channel)
netdev->flags |= IFF_ECHO;
netdev->netdev_ops = &kvaser_usb_netdev_ops;
-
+ if (driver_info->quirks & KVASER_USB_QUIRK_HAS_HARDWARE_TIMESTAMP) {
+ netdev->netdev_ops = &kvaser_usb_netdev_ops_hwts;
+ netdev->ethtool_ops = &kvaser_usb_ethtool_ops_hwts;
+ } else {
+ netdev->netdev_ops = &kvaser_usb_netdev_ops;
+ netdev->ethtool_ops = &kvaser_usb_ethtool_ops;
+ }
SET_NETDEV_DEV(netdev, &dev->intf->dev);
netdev->dev_id = channel;