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can: kvaser_pciefd: Add support for ethtool set_phys_id()

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Add support for ethtool set_phys_id(), to physically locate devices by
flashing a LED on the device.

Reviewed-by: Axel Forsman <axfo@kvaser.com>
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250725123230.8-3-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Jimmy Assarsson 2025-07-25 14:32:22 +02:00 committed by Marc Kleine-Budde
parent 44f0b630f6
commit e74249a00b
1 changed files with 24 additions and 0 deletions
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24
drivers/net/can/kvaser_pciefd.c
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@ -968,8 +968,32 @@ static const struct net_device_ops kvaser_pciefd_netdev_ops = {
.ndo_change_mtu = can_change_mtu,
};
static int kvaser_pciefd_set_phys_id(struct net_device *netdev,
enum ethtool_phys_id_state state)
{
struct kvaser_pciefd_can *can = netdev_priv(netdev);
switch (state) {
case ETHTOOL_ID_ACTIVE:
return 3; /* 3 On/Off cycles per second */
case ETHTOOL_ID_ON:
kvaser_pciefd_set_led(can, true);
return 0;
case ETHTOOL_ID_OFF:
case ETHTOOL_ID_INACTIVE:
kvaser_pciefd_set_led(can, false);
return 0;
default:
return -EINVAL;
}
}
static const struct ethtool_ops kvaser_pciefd_ethtool_ops = {
.get_ts_info = can_ethtool_op_get_ts_info_hwts,
.set_phys_id = kvaser_pciefd_set_phys_id,
};
static int kvaser_pciefd_setup_can_ctrls(struct kvaser_pciefd *pcie)