[PATCH net-next 3/3] can: peak_usb: convert to use ndo_hwtstamp callbacks
From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Date: 2025-10-29 23:16:56
Also in:
linux-can
Subsystem:
can network drivers, the rest · Maintainers:
Marc Kleine-Budde, Vincent Mailhol, Linus Torvalds
Convert driver to use ndo_hwtstamp_set()/ndo_hwtstamp_get() callbacks. ndo_eth_ioctl handler does nothing after conversion - remove it. Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> --- drivers/net/can/usb/peak_usb/pcan_usb_core.c | 39 +++++++++----------- 1 file changed, 18 insertions(+), 21 deletions(-)
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 94b1d7f15d27..cf48bb26d46d 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c@@ -784,36 +784,33 @@ static int peak_usb_set_data_bittiming(struct net_device *netdev) return 0; } -static int peak_eth_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +static int peak_hwtstamp_get(struct net_device *netdev, + struct kernel_hwtstamp_config *config) { - 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; + config->tx_type = HWTSTAMP_TX_OFF; + config->rx_filter = HWTSTAMP_FILTER_ALL; + + return 0; +} + +static int peak_hwtstamp_set(struct net_device *netdev, + struct kernel_hwtstamp_config *config, + struct netlink_ext_ack *extack) +{ + if (config->tx_type == HWTSTAMP_TX_OFF && + config->rx_filter == HWTSTAMP_FILTER_ALL) return 0; - default: - return -EOPNOTSUPP; - } + NL_SET_ERR_MSG_MOD(extack, "Only RX HWTSTAMP_FILTER_ALL is supported"); + return -ERANGE; } static const struct net_device_ops peak_usb_netdev_ops = { .ndo_open = peak_usb_ndo_open, .ndo_stop = peak_usb_ndo_stop, - .ndo_eth_ioctl = peak_eth_ioctl, .ndo_start_xmit = peak_usb_ndo_start_xmit, + .ndo_hwtstamp_get = peak_hwtstamp_get, + .ndo_hwtstamp_set = peak_hwtstamp_set, }; /* CAN-USB devices generally handle 32-bit CAN channel IDs.
--
2.47.3