summaryrefslogtreecommitdiff
path: root/drivers/net/can/peak_canfd/peak_canfd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/can/peak_canfd/peak_canfd.c')
-rw-r--r--drivers/net/can/peak_canfd/peak_canfd.c54
1 files changed, 51 insertions, 3 deletions
diff --git a/drivers/net/can/peak_canfd/peak_canfd.c b/drivers/net/can/peak_canfd/peak_canfd.c
index b2dea360813d..f8420cc1d907 100644
--- a/drivers/net/can/peak_canfd/peak_canfd.c
+++ b/drivers/net/can/peak_canfd/peak_canfd.c
@@ -7,6 +7,7 @@
#include <linux/can.h>
#include <linux/can/dev.h>
+#include <linux/ethtool.h>
#include "peak_canfd_user.h"
@@ -373,7 +374,7 @@ static int pucan_handle_status(struct peak_canfd_priv *priv,
priv->can.state = CAN_STATE_ERROR_PASSIVE;
priv->can.can_stats.error_passive++;
if (skb) {
- cf->can_id |= CAN_ERR_CRTL;
+ cf->can_id |= CAN_ERR_CRTL | CAN_ERR_CNT;
cf->data[1] = (priv->bec.txerr > priv->bec.rxerr) ?
CAN_ERR_CRTL_TX_PASSIVE :
CAN_ERR_CRTL_RX_PASSIVE;
@@ -386,7 +387,7 @@ static int pucan_handle_status(struct peak_canfd_priv *priv,
priv->can.state = CAN_STATE_ERROR_WARNING;
priv->can.can_stats.error_warning++;
if (skb) {
- cf->can_id |= CAN_ERR_CRTL;
+ cf->can_id |= CAN_ERR_CRTL | CAN_ERR_CNT;
cf->data[1] = (priv->bec.txerr > priv->bec.rxerr) ?
CAN_ERR_CRTL_TX_WARNING :
CAN_ERR_CRTL_RX_WARNING;
@@ -430,7 +431,7 @@ static int pucan_handle_cache_critical(struct peak_canfd_priv *priv)
return -ENOMEM;
}
- cf->can_id |= CAN_ERR_CRTL;
+ cf->can_id |= CAN_ERR_CRTL | CAN_ERR_CNT;
cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
cf->data[6] = priv->bec.txerr;
@@ -742,13 +743,59 @@ static netdev_tx_t peak_canfd_start_xmit(struct sk_buff *skb,
return NETDEV_TX_OK;
}
+static int peak_eth_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ struct hwtstamp_config hwts_cfg = { 0 };
+
+ switch (cmd) {
+ case SIOCSHWTSTAMP: /* set */
+ if (copy_from_user(&hwts_cfg, ifr->ifr_data, sizeof(hwts_cfg)))
+ return -EFAULT;
+ if (hwts_cfg.tx_type == HWTSTAMP_TX_OFF &&
+ hwts_cfg.rx_filter == HWTSTAMP_FILTER_ALL)
+ return 0;
+ return -ERANGE;
+
+ case SIOCGHWTSTAMP: /* get */
+ hwts_cfg.tx_type = HWTSTAMP_TX_OFF;
+ hwts_cfg.rx_filter = HWTSTAMP_FILTER_ALL;
+ if (copy_to_user(ifr->ifr_data, &hwts_cfg, sizeof(hwts_cfg)))
+ return -EFAULT;
+ return 0;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
static const struct net_device_ops peak_canfd_netdev_ops = {
.ndo_open = peak_canfd_open,
.ndo_stop = peak_canfd_close,
+ .ndo_eth_ioctl = peak_eth_ioctl,
.ndo_start_xmit = peak_canfd_start_xmit,
.ndo_change_mtu = can_change_mtu,
};
+static int peak_get_ts_info(struct net_device *dev,
+ struct ethtool_ts_info *info)
+{
+ info->so_timestamping =
+ SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
+ SOF_TIMESTAMPING_SOFTWARE |
+ SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_RAW_HARDWARE;
+ info->phc_index = -1;
+ info->tx_types = BIT(HWTSTAMP_TX_OFF);
+ info->rx_filters = BIT(HWTSTAMP_FILTER_ALL);
+
+ return 0;
+}
+
+static const struct ethtool_ops peak_canfd_ethtool_ops = {
+ .get_ts_info = peak_get_ts_info,
+};
+
struct net_device *alloc_peak_canfd_dev(int sizeof_priv, int index,
int echo_skb_max)
{
@@ -789,6 +836,7 @@ struct net_device *alloc_peak_canfd_dev(int sizeof_priv, int index,
ndev->flags |= IFF_ECHO;
ndev->netdev_ops = &peak_canfd_netdev_ops;
+ ndev->ethtool_ops = &peak_canfd_ethtool_ops;
ndev->dev_id = index;
return ndev;