bnxt_en: convert to ndo_hwtstamp_get() and ndo_hwtstamp_set()

Convert bnxt dirver to use new timestamping configuration API.

Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://patch.msgid.link/20250923173310.139623-3-vadim.fedorenko@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

3 files changed, 23 insertions, 27 deletions

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index d59612d1e176..1d0e0e7362bd 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -13278,12 +13278,6 @@ static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 		return bnxt_hwrm_port_phy_write(bp, mdio->phy_id, mdio->reg_num,
 						mdio->val_in);
 
-	case SIOCSHWTSTAMP:
-		return bnxt_hwtstamp_set(dev, ifr);
-
-	case SIOCGHWTSTAMP:
-		return bnxt_hwtstamp_get(dev, ifr);
-
 	default:
 		/* do nothing */
 		break;
@@ -15806,6 +15800,8 @@ static const struct net_device_ops bnxt_netdev_ops = {
 	.ndo_xdp_xmit		= bnxt_xdp_xmit,
 	.ndo_bridge_getlink	= bnxt_bridge_getlink,
 	.ndo_bridge_setlink	= bnxt_bridge_setlink,
+	.ndo_hwtstamp_get	= bnxt_hwtstamp_get,
+	.ndo_hwtstamp_set	= bnxt_hwtstamp_set,
 };
 
 static void bnxt_get_queue_stats_rx(struct net_device *dev, int i,
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
index ca660e6d28a4..db81cf6d5289 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c
@@ -560,10 +560,11 @@ static int bnxt_hwrm_ptp_cfg(struct bnxt *bp)
 	return bnxt_ptp_cfg_tstamp_filters(bp);
 }
 
-int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
+int bnxt_hwtstamp_set(struct net_device *dev,
+		      struct kernel_hwtstamp_config *stmpconf,
+		      struct netlink_ext_ack *extack)
 {
 	struct bnxt *bp = netdev_priv(dev);
-	struct hwtstamp_config stmpconf;
 	struct bnxt_ptp_cfg *ptp;
 	u16 old_rxctl;
 	int old_rx_filter, rc;
@@ -573,17 +574,14 @@ int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
 	if (!ptp)
 		return -EOPNOTSUPP;
 
-	if (copy_from_user(&stmpconf, ifr->ifr_data, sizeof(stmpconf)))
-		return -EFAULT;
-
-	if (stmpconf.tx_type != HWTSTAMP_TX_ON &&
-	    stmpconf.tx_type != HWTSTAMP_TX_OFF)
+	if (stmpconf->tx_type != HWTSTAMP_TX_ON &&
+	    stmpconf->tx_type != HWTSTAMP_TX_OFF)
 		return -ERANGE;
 
 	old_rx_filter = ptp->rx_filter;
 	old_rxctl = ptp->rxctl;
 	old_tx_tstamp_en = ptp->tx_tstamp_en;
-	switch (stmpconf.rx_filter) {
+	switch (stmpconf->rx_filter) {
 	case HWTSTAMP_FILTER_NONE:
 		ptp->rxctl = 0;
 		ptp->rx_filter = HWTSTAMP_FILTER_NONE;
@@ -616,7 +614,7 @@ int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
 		return -ERANGE;
 	}
 
-	if (stmpconf.tx_type == HWTSTAMP_TX_ON)
+	if (stmpconf->tx_type == HWTSTAMP_TX_ON)
 		ptp->tx_tstamp_en = 1;
 	else
 		ptp->tx_tstamp_en = 0;
@@ -625,9 +623,8 @@ int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr)
 	if (rc)
 		goto ts_set_err;
 
-	stmpconf.rx_filter = ptp->rx_filter;
-	return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
-		-EFAULT : 0;
+	stmpconf->rx_filter = ptp->rx_filter;
+	return 0;
 
 ts_set_err:
 	ptp->rx_filter = old_rx_filter;
@@ -636,22 +633,22 @@ ts_set_err:
 	return rc;
 }
 
-int bnxt_hwtstamp_get(struct net_device *dev, struct ifreq *ifr)
+int bnxt_hwtstamp_get(struct net_device *dev,
+		      struct kernel_hwtstamp_config *stmpconf)
 {
 	struct bnxt *bp = netdev_priv(dev);
-	struct hwtstamp_config stmpconf;
 	struct bnxt_ptp_cfg *ptp;
 
 	ptp = bp->ptp_cfg;
 	if (!ptp)
 		return -EOPNOTSUPP;
 
-	stmpconf.flags = 0;
-	stmpconf.tx_type = ptp->tx_tstamp_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
+	stmpconf->flags = 0;
+	stmpconf->tx_type = ptp->tx_tstamp_en ? HWTSTAMP_TX_ON
+					      : HWTSTAMP_TX_OFF;
 
-	stmpconf.rx_filter = ptp->rx_filter;
-	return copy_to_user(ifr->ifr_data, &stmpconf, sizeof(stmpconf)) ?
-		-EFAULT : 0;
+	stmpconf->rx_filter = ptp->rx_filter;
+	return 0;
 }
 
 static int bnxt_map_regs(struct bnxt *bp, u32 *reg_arr, int count, int reg_win)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
index 0481161d26ef..8cc2fae47644 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.h
@@ -160,8 +160,11 @@ void bnxt_ptp_update_current_time(struct bnxt *bp);
 void bnxt_ptp_pps_event(struct bnxt *bp, u32 data1, u32 data2);
 int bnxt_ptp_cfg_tstamp_filters(struct bnxt *bp);
 void bnxt_ptp_reapply_pps(struct bnxt *bp);
-int bnxt_hwtstamp_set(struct net_device *dev, struct ifreq *ifr);
-int bnxt_hwtstamp_get(struct net_device *dev, struct ifreq *ifr);
+int bnxt_hwtstamp_set(struct net_device *dev,
+		      struct kernel_hwtstamp_config *stmpconf,
+		      struct netlink_ext_ack *extack);
+int bnxt_hwtstamp_get(struct net_device *dev,
+		      struct kernel_hwtstamp_config *stmpconf);
 void bnxt_ptp_free_txts_skbs(struct bnxt_ptp_cfg *ptp);
 int bnxt_ptp_get_txts_prod(struct bnxt_ptp_cfg *ptp, u16 *prod);
 void bnxt_get_tx_ts_p5(struct bnxt *bp, struct sk_buff *skb, u16 prod);