[PATCH net-next 1/6] octeontx2: convert to ndo_hwtstamp API

[Vadim Fedorenko <vadim.fedorenko@linux.dev>]

Convert driver to use .ndo_hwtstamp_get()/.ndo_hwtstamp_set() callbacks.
otx2_ioctl() becomes empty, remove it.

Signed-off-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
---
 .../marvell/octeontx2/nic/otx2_common.h       |  9 ++-
 .../ethernet/marvell/octeontx2/nic/otx2_pf.c  | 56 +++++++++----------
 .../ethernet/marvell/octeontx2/nic/otx2_vf.c  |  3 +-
 3 files changed, 33 insertions(+), 35 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
index 1c8a3c078a64..ec26d1b6c789 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h
@@ -527,7 +527,7 @@ struct otx2_nic {
 	u32			nix_lmt_size;
 
 	struct otx2_ptp		*ptp;
-	struct hwtstamp_config	tstamp;
+	struct kernel_hwtstamp_config tstamp;
 
 	unsigned long		rq_bmap;
 
@@ -1098,8 +1098,11 @@ int otx2_open(struct net_device *netdev);
 int otx2_stop(struct net_device *netdev);
 int otx2_set_real_num_queues(struct net_device *netdev,
 			     int tx_queues, int rx_queues);
-int otx2_ioctl(struct net_device *netdev, struct ifreq *req, int cmd);
-int otx2_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr);
+int otx2_config_hwtstamp_get(struct net_device *netdev,
+			     struct kernel_hwtstamp_config *config);
+int otx2_config_hwtstamp_set(struct net_device *netdev,
+			     struct kernel_hwtstamp_config *config,
+			     struct netlink_ext_ack *extack);
 
 /* MCAM filter related APIs */
 int otx2_mcam_flow_init(struct otx2_nic *pf);
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
index e808995703cf..cf5a2d9fb0c7 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c
@@ -2445,18 +2445,26 @@ static int otx2_config_hw_tx_tstamp(struct otx2_nic *pfvf, bool enable)
 	return 0;
 }
 
-int otx2_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr)
+int otx2_config_hwtstamp_get(struct net_device *netdev,
+			     struct kernel_hwtstamp_config *config)
+{
+	struct otx2_nic *pfvf = netdev_priv(netdev);
+
+	*config = pfvf->tstamp;
+	return 0;
+}
+EXPORT_SYMBOL(otx2_config_hwtstamp_get);
+
+int otx2_config_hwtstamp_set(struct net_device *netdev,
+			     struct kernel_hwtstamp_config *config,
+			     struct netlink_ext_ack *extack)
 {
 	struct otx2_nic *pfvf = netdev_priv(netdev);
-	struct hwtstamp_config config;
 
 	if (!pfvf->ptp)
 		return -ENODEV;
 
-	if (copy_from_user(&config, ifr->ifr_data, sizeof(config)))
-		return -EFAULT;
-
-	switch (config.tx_type) {
+	switch (config->tx_type) {
 	case HWTSTAMP_TX_OFF:
 		if (pfvf->flags & OTX2_FLAG_PTP_ONESTEP_SYNC)
 			pfvf->flags &= ~OTX2_FLAG_PTP_ONESTEP_SYNC;
@@ -2465,8 +2473,11 @@ int otx2_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr)
 		otx2_config_hw_tx_tstamp(pfvf, false);
 		break;
 	case HWTSTAMP_TX_ONESTEP_SYNC:
-		if (!test_bit(CN10K_PTP_ONESTEP, &pfvf->hw.cap_flag))
+		if (!test_bit(CN10K_PTP_ONESTEP, &pfvf->hw.cap_flag)) {
+			NL_SET_ERR_MSG(extack,
+				       "One-step time stamping is not supported");
 			return -ERANGE;
+		}
 		pfvf->flags |= OTX2_FLAG_PTP_ONESTEP_SYNC;
 		schedule_delayed_work(&pfvf->ptp->synctstamp_work,
 				      msecs_to_jiffies(500));
@@ -2478,7 +2489,7 @@ int otx2_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr)
 		return -ERANGE;
 	}
 
-	switch (config.rx_filter) {
+	switch (config->rx_filter) {
 	case HWTSTAMP_FILTER_NONE:
 		otx2_config_hw_rx_tstamp(pfvf, false);
 		break;
@@ -2497,35 +2508,17 @@ int otx2_config_hwtstamp(struct net_device *netdev, struct ifreq *ifr)
 	case HWTSTAMP_FILTER_PTP_V2_SYNC:
 	case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
 		otx2_config_hw_rx_tstamp(pfvf, true);
-		config.rx_filter = HWTSTAMP_FILTER_ALL;
+		config->rx_filter = HWTSTAMP_FILTER_ALL;
 		break;
 	default:
 		return -ERANGE;
 	}
 
-	memcpy(&pfvf->tstamp, &config, sizeof(config));
+	pfvf->tstamp = *config;
 
-	return copy_to_user(ifr->ifr_data, &config,
-			    sizeof(config)) ? -EFAULT : 0;
-}
-EXPORT_SYMBOL(otx2_config_hwtstamp);
-
-int otx2_ioctl(struct net_device *netdev, struct ifreq *req, int cmd)
-{
-	struct otx2_nic *pfvf = netdev_priv(netdev);
-	struct hwtstamp_config *cfg = &pfvf->tstamp;
-
-	switch (cmd) {
-	case SIOCSHWTSTAMP:
-		return otx2_config_hwtstamp(netdev, req);
-	case SIOCGHWTSTAMP:
-		return copy_to_user(req->ifr_data, cfg,
-				    sizeof(*cfg)) ? -EFAULT : 0;
-	default:
-		return -EOPNOTSUPP;
-	}
+	return 0;
 }
-EXPORT_SYMBOL(otx2_ioctl);
+EXPORT_SYMBOL(otx2_config_hwtstamp_set);
 
 static int otx2_do_set_vf_mac(struct otx2_nic *pf, int vf, const u8 *mac)
 {
@@ -2942,7 +2935,6 @@ static const struct net_device_ops otx2_netdev_ops = {
 	.ndo_set_features	= otx2_set_features,
 	.ndo_tx_timeout		= otx2_tx_timeout,
 	.ndo_get_stats64	= otx2_get_stats64,
-	.ndo_eth_ioctl		= otx2_ioctl,
 	.ndo_set_vf_mac		= otx2_set_vf_mac,
 	.ndo_set_vf_vlan	= otx2_set_vf_vlan,
 	.ndo_get_vf_config	= otx2_get_vf_config,
@@ -2951,6 +2943,8 @@ static const struct net_device_ops otx2_netdev_ops = {
 	.ndo_xdp_xmit           = otx2_xdp_xmit,
 	.ndo_setup_tc		= otx2_setup_tc,
 	.ndo_set_vf_trust	= otx2_ndo_set_vf_trust,
+	.ndo_hwtstamp_get	= otx2_config_hwtstamp_get,
+	.ndo_hwtstamp_set	= otx2_config_hwtstamp_set,
 };
 
 int otx2_wq_init(struct otx2_nic *pf)
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
index 25381f079b97..f4fdbfba8667 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_vf.c
@@ -534,8 +534,9 @@ static const struct net_device_ops otx2vf_netdev_ops = {
 	.ndo_set_features = otx2vf_set_features,
 	.ndo_get_stats64 = otx2_get_stats64,
 	.ndo_tx_timeout = otx2_tx_timeout,
-	.ndo_eth_ioctl	= otx2_ioctl,
 	.ndo_setup_tc = otx2_setup_tc,
+	.ndo_hwtstamp_get = otx2_config_hwtstamp_get,
+	.ndo_hwtstamp_set = otx2_config_hwtstamp_set,
 };
 
 static int otx2_vf_wq_init(struct otx2_nic *vf)
-- 
2.47.3