[PATCH net-next v2 6/7] net: pch_gbe: convert to use ndo_hwtstamp callbacks
From: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Date: 2025-11-03 15:11:02
Also in:
linux-arm-kernel
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
The driver implemented SIOCSHWTSTAMP ioctl command only, but it stores configuration in the private data, so it is possible to report it back to users. Implement both ndo_hwtstamp_set and ndo_hwtstamp_get callbacks. To properly report RX filter type, store it in hwts_rx_en instead of using this field as a simple flag. The logic didn't change because receive path used this field as boolean flag. Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev> --- .../ethernet/oki-semi/pch_gbe/pch_gbe_main.c | 38 +++++++++++-------- 1 file changed, 23 insertions(+), 15 deletions(-)
diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
index e5a6f59af0b6..62f05f4569b1 100644
--- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c
+++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c@@ -198,23 +198,21 @@ pch_tx_timestamp(struct pch_gbe_adapter *adapter, struct sk_buff *skb) pch_ch_event_write(pdev, TX_SNAPSHOT_LOCKED); } -static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) +static int pch_gbe_hwtstamp_set(struct net_device *netdev, + struct kernel_hwtstamp_config *cfg, + struct netlink_ext_ack *extack) { - struct hwtstamp_config cfg; struct pch_gbe_adapter *adapter = netdev_priv(netdev); struct pci_dev *pdev; u8 station[20]; - if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg))) - return -EFAULT; - /* Get ieee1588's dev information */ pdev = adapter->ptp_pdev; - if (cfg.tx_type != HWTSTAMP_TX_OFF && cfg.tx_type != HWTSTAMP_TX_ON) + if (cfg->tx_type != HWTSTAMP_TX_OFF && cfg->tx_type != HWTSTAMP_TX_ON) return -ERANGE; - switch (cfg.rx_filter) { + switch (cfg->rx_filter) { case HWTSTAMP_FILTER_NONE: adapter->hwts_rx_en = 0; break;
@@ -223,17 +221,17 @@ static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) pch_ch_control_write(pdev, SLAVE_MODE | CAP_MODE0); break; case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ: - adapter->hwts_rx_en = 1; + adapter->hwts_rx_en = cfg->rx_filter; pch_ch_control_write(pdev, MASTER_MODE | CAP_MODE0); break; case HWTSTAMP_FILTER_PTP_V2_L4_EVENT: - adapter->hwts_rx_en = 1; + adapter->hwts_rx_en = cfg->rx_filter; pch_ch_control_write(pdev, V2_MODE | CAP_MODE2); strcpy(station, PTP_L4_MULTICAST_SA); pch_set_station_address(station, pdev); break; case HWTSTAMP_FILTER_PTP_V2_L2_EVENT: - adapter->hwts_rx_en = 1; + adapter->hwts_rx_en = cfg->rx_filter; pch_ch_control_write(pdev, V2_MODE | CAP_MODE2); strcpy(station, PTP_L2_MULTICAST_SA); pch_set_station_address(station, pdev);
@@ -242,12 +240,23 @@ static int hwtstamp_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return -ERANGE; } - adapter->hwts_tx_en = cfg.tx_type == HWTSTAMP_TX_ON; + adapter->hwts_tx_en = cfg->tx_type == HWTSTAMP_TX_ON; /* Clear out any old time stamps. */ pch_ch_event_write(pdev, TX_SNAPSHOT_LOCKED | RX_SNAPSHOT_LOCKED); - return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0; + return 0; +} + +static int pch_gbe_hwtstamp_get(struct net_device *netdev, + struct kernel_hwtstamp_config *cfg) +{ + struct pch_gbe_adapter *adapter = netdev_priv(netdev); + + cfg->tx_type = adapter->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF; + cfg->rx_filter = adapter->hwts_rx_en; + + return 0; } static inline void pch_gbe_mac_load_mac_addr(struct pch_gbe_hw *hw)
@@ -2234,9 +2243,6 @@ static int pch_gbe_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) netdev_dbg(netdev, "cmd : 0x%04x\n", cmd); - if (cmd == SIOCSHWTSTAMP) - return hwtstamp_ioctl(netdev, ifr, cmd); - return generic_mii_ioctl(&adapter->mii, if_mii(ifr), cmd, NULL); }
@@ -2328,6 +2334,8 @@ static const struct net_device_ops pch_gbe_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = pch_gbe_netpoll, #endif + .ndo_hwtstamp_get = pch_gbe_hwtstamp_get, + .ndo_hwtstamp_set = pch_gbe_hwtstamp_set, }; static pci_ers_result_t pch_gbe_io_error_detected(struct pci_dev *pdev,
--
2.47.3