1 files changed, 37 insertions, 5 deletions

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
index 20ee5b28f70a..cadde20505ba 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -47,6 +47,9 @@ static const struct lan966x_main_io_resource lan966x_main_iomap[] =  {
 	{ TARGET_PTP,                    0xc000, 1 }, /* 0xe200c000 */
 	{ TARGET_CHIP_TOP,              0x10000, 1 }, /* 0xe2010000 */
 	{ TARGET_REW,                   0x14000, 1 }, /* 0xe2014000 */
+	{ TARGET_VCAP,                  0x18000, 1 }, /* 0xe2018000 */
+	{ TARGET_VCAP + 1,              0x20000, 1 }, /* 0xe2020000 */
+	{ TARGET_VCAP + 2,              0x24000, 1 }, /* 0xe2024000 */
 	{ TARGET_SYS,                   0x28000, 1 }, /* 0xe2028000 */
 	{ TARGET_DEV,                   0x34000, 1 }, /* 0xe2034000 */
 	{ TARGET_DEV +  1,              0x38000, 1 }, /* 0xe2038000 */
@@ -302,13 +305,13 @@ err:
 	return NETDEV_TX_BUSY;
 }
 
-static void lan966x_ifh_set_bypass(void *ifh, u64 bypass)
+void lan966x_ifh_set_bypass(void *ifh, u64 bypass)
 {
 	packing(ifh, &bypass, IFH_POS_BYPASS + IFH_WID_BYPASS - 1,
 		IFH_POS_BYPASS, IFH_LEN * 4, PACK, 0);
 }
 
-static void lan966x_ifh_set_port(void *ifh, u64 bypass)
+void lan966x_ifh_set_port(void *ifh, u64 bypass)
 {
 	packing(ifh, &bypass, IFH_POS_DSTS + IFH_WID_DSTS - 1,
 		IFH_POS_DSTS, IFH_LEN * 4, PACK, 0);
@@ -440,11 +443,22 @@ static int lan966x_port_ioctl(struct net_device *dev, struct ifreq *ifr,
 			      int cmd)
 {
 	struct lan966x_port *port = netdev_priv(dev);
+	int err;
+
+	if (cmd == SIOCSHWTSTAMP) {
+		err = lan966x_ptp_setup_traps(port, ifr);
+		if (err)
+			return err;
+	}
 
 	if (!phy_has_hwtstamp(dev->phydev) && port->lan966x->ptp) {
 		switch (cmd) {
 		case SIOCSHWTSTAMP:
-			return lan966x_ptp_hwtstamp_set(port, ifr);
+			err = lan966x_ptp_hwtstamp_set(port, ifr);
+			if (err)
+				lan966x_ptp_del_traps(port);
+
+			return err;
 		case SIOCGHWTSTAMP:
 			return lan966x_ptp_hwtstamp_get(port, ifr);
 		}
@@ -453,7 +467,11 @@ static int lan966x_port_ioctl(struct net_device *dev, struct ifreq *ifr,
 	if (!dev->phydev)
 		return -ENODEV;
 
-	return phy_mii_ioctl(dev->phydev, ifr, cmd);
+	err = phy_mii_ioctl(dev->phydev, ifr, cmd);
+	if (err && cmd == SIOCSHWTSTAMP)
+		lan966x_ptp_del_traps(port);
+
+	return err;
 }
 
 static const struct net_device_ops lan966x_port_netdev_ops = {
@@ -468,6 +486,8 @@ static const struct net_device_ops lan966x_port_netdev_ops = {
 	.ndo_get_port_parent_id		= lan966x_port_get_parent_id,
 	.ndo_eth_ioctl			= lan966x_port_ioctl,
 	.ndo_setup_tc			= lan966x_tc_setup,
+	.ndo_bpf			= lan966x_xdp,
+	.ndo_xdp_xmit			= lan966x_xdp_xmit,
 };
 
 bool lan966x_netdevice_check(const struct net_device *dev)
@@ -694,6 +714,7 @@ static void lan966x_cleanup_ports(struct lan966x *lan966x)
 		if (port->dev)
 			unregister_netdev(port->dev);
 
+		lan966x_xdp_port_deinit(port);
 		if (lan966x->fdma && lan966x->fdma_ndev == port->dev)
 			lan966x_fdma_netdev_deinit(lan966x, port->dev);
 
@@ -760,7 +781,7 @@ static int lan966x_probe_port(struct lan966x *lan966x, u32 p,
 			 NETIF_F_HW_VLAN_STAG_TX |
 			 NETIF_F_HW_TC;
 	dev->hw_features |= NETIF_F_HW_TC;
-	dev->needed_headroom = IFH_LEN * sizeof(u32);
+	dev->needed_headroom = IFH_LEN_BYTES;
 
 	eth_hw_addr_gen(dev, lan966x->base_mac, p + 1);
 
@@ -1136,6 +1157,9 @@ static int lan966x_probe(struct platform_device *pdev)
 		lan966x->ports[p]->serdes = serdes;
 
 		lan966x_port_init(lan966x->ports[p]);
+		err = lan966x_xdp_port_init(lan966x->ports[p]);
+		if (err)
+			goto cleanup_ports;
 	}
 
 	lan966x_mdb_init(lan966x);
@@ -1151,8 +1175,15 @@ static int lan966x_probe(struct platform_device *pdev)
 	if (err)
 		goto cleanup_ptp;
 
+	err = lan966x_vcap_init(lan966x);
+	if (err)
+		goto cleanup_fdma;
+
 	return 0;
 
+cleanup_fdma:
+	lan966x_fdma_deinit(lan966x);
+
 cleanup_ptp:
 	lan966x_ptp_deinit(lan966x);
 
@@ -1176,6 +1207,7 @@ static int lan966x_remove(struct platform_device *pdev)
 	struct lan966x *lan966x = platform_get_drvdata(pdev);
 
 	lan966x_taprio_deinit(lan966x);
+	lan966x_vcap_deinit(lan966x);
 	lan966x_fdma_deinit(lan966x);
 	lan966x_cleanup_ports(lan966x);