diff options
| author | Jimmy Assarsson <extja@kvaser.com> | 2025-07-25 15:34:50 +0300 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2025-07-25 19:01:21 +0300 |
| commit | 8720aed90c874b1c21ca776591b3341f226f89dd (patch) | |
| tree | 54d904c202e433c9a6af2a0dc6f1567e52580ee1 | |
| parent | 9505a83fc4e126303238d069d15731f9d2345c74 (diff) | |
| download | linux-8720aed90c874b1c21ca776591b3341f226f89dd.tar.xz | |
can: kvaser_usb: Expose device information via devlink info_get()
Expose device information via devlink info_get():
* Serial number
* Firmware version
* Hardware revision
* EAN (product number)
Example output:
$ devlink dev
usb/1-1.2:1.0
$ devlink dev info
usb/1-1.2:1.0:
driver kvaser_usb
serial_number 1020
versions:
fixed:
board.rev 1
board.id 7330130009653
running:
fw 3.22.527
Reviewed-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr>
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
Link: https://patch.msgid.link/20250725123452.41-10-extja@kvaser.com
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
| -rw-r--r-- | drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c b/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c index dbe7fa64558a..aa06bd1fa125 100644 --- a/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c +++ b/drivers/net/can/usb/kvaser_usb/kvaser_usb_devlink.c @@ -7,5 +7,56 @@ #include <net/devlink.h> +#define KVASER_USB_EAN_MSB 0x00073301 + +static int kvaser_usb_devlink_info_get(struct devlink *devlink, + struct devlink_info_req *req, + struct netlink_ext_ack *extack) +{ + struct kvaser_usb *dev = devlink_priv(devlink); + char buf[] = "73301XXXXXXXXXX"; + int ret; + + if (dev->serial_number) { + snprintf(buf, sizeof(buf), "%u", dev->serial_number); + ret = devlink_info_serial_number_put(req, buf); + if (ret) + return ret; + } + + if (dev->fw_version.major) { + snprintf(buf, sizeof(buf), "%u.%u.%u", + dev->fw_version.major, + dev->fw_version.minor, + dev->fw_version.build); + ret = devlink_info_version_running_put(req, + DEVLINK_INFO_VERSION_GENERIC_FW, + buf); + if (ret) + return ret; + } + + if (dev->hw_revision) { + snprintf(buf, sizeof(buf), "%u", dev->hw_revision); + ret = devlink_info_version_fixed_put(req, + DEVLINK_INFO_VERSION_GENERIC_BOARD_REV, + buf); + if (ret) + return ret; + } + + if (dev->ean[1] == KVASER_USB_EAN_MSB) { + snprintf(buf, sizeof(buf), "%x%08x", dev->ean[1], dev->ean[0]); + ret = devlink_info_version_fixed_put(req, + DEVLINK_INFO_VERSION_GENERIC_BOARD_ID, + buf); + if (ret) + return ret; + } + + return 0; +} + const struct devlink_ops kvaser_usb_devlink_ops = { + .info_get = kvaser_usb_devlink_info_get, }; |