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authorJimmy Assarsson <extja@kvaser.com>2025-07-25 14:32:22 +0200
committerMarc Kleine-Budde <mkl@pengutronix.de>2025-07-25 17:53:49 +0200
commite74249a00bf1afa27e3a77dcce770806d2bba7c4 (patch)
treeaa56752c74d852f38695f38901ca575c68c7eed9
parent44f0b630f67eceb77b4f037e5db4020cc2795d65 (diff)
can: kvaser_pciefd: Add support for ethtool set_phys_id()
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>
-rw-r--r--drivers/net/can/kvaser_pciefd.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index c8f530ef416e..ed1ea8a9a6d2 100644
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -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)