Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1244 insertions, 0 deletions

diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.c b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
new file mode 100644
index 000000000..9ce46588a
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.c
@@ -0,0 +1,1244 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <linux/module.h>
+#include <linux/if_bridge.h>
+#include <linux/if_vlan.h>
+#include <linux/iopoll.h>
+#include <linux/ip.h>
+#include <linux/of_platform.h>
+#include <linux/of_net.h>
+#include <linux/packing.h>
+#include <linux/phy/phy.h>
+#include <linux/reset.h>
+#include <net/addrconf.h>
+
+#include "lan966x_main.h"
+
+#define XTR_EOF_0			0x00000080U
+#define XTR_EOF_1			0x01000080U
+#define XTR_EOF_2			0x02000080U
+#define XTR_EOF_3			0x03000080U
+#define XTR_PRUNED			0x04000080U
+#define XTR_ABORT			0x05000080U
+#define XTR_ESCAPE			0x06000080U
+#define XTR_NOT_READY			0x07000080U
+#define XTR_VALID_BYTES(x)		(4 - (((x) >> 24) & 3))
+
+#define IO_RANGES 2
+
+static const struct of_device_id lan966x_match[] = {
+	{ .compatible = "microchip,lan966x-switch" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, lan966x_match);
+
+struct lan966x_main_io_resource {
+	enum lan966x_target id;
+	phys_addr_t offset;
+	int range;
+};
+
+static const struct lan966x_main_io_resource lan966x_main_iomap[] =  {
+	{ TARGET_CPU,                   0xc0000, 0 }, /* 0xe00c0000 */
+	{ TARGET_FDMA,                  0xc0400, 0 }, /* 0xe00c0400 */
+	{ TARGET_ORG,                         0, 1 }, /* 0xe2000000 */
+	{ TARGET_GCB,                    0x4000, 1 }, /* 0xe2004000 */
+	{ TARGET_QS,                     0x8000, 1 }, /* 0xe2008000 */
+	{ TARGET_PTP,                    0xc000, 1 }, /* 0xe200c000 */
+	{ TARGET_CHIP_TOP,              0x10000, 1 }, /* 0xe2010000 */
+	{ TARGET_REW,                   0x14000, 1 }, /* 0xe2014000 */
+	{ TARGET_SYS,                   0x28000, 1 }, /* 0xe2028000 */
+	{ TARGET_DEV,                   0x34000, 1 }, /* 0xe2034000 */
+	{ TARGET_DEV +  1,              0x38000, 1 }, /* 0xe2038000 */
+	{ TARGET_DEV +  2,              0x3c000, 1 }, /* 0xe203c000 */
+	{ TARGET_DEV +  3,              0x40000, 1 }, /* 0xe2040000 */
+	{ TARGET_DEV +  4,              0x44000, 1 }, /* 0xe2044000 */
+	{ TARGET_DEV +  5,              0x48000, 1 }, /* 0xe2048000 */
+	{ TARGET_DEV +  6,              0x4c000, 1 }, /* 0xe204c000 */
+	{ TARGET_DEV +  7,              0x50000, 1 }, /* 0xe2050000 */
+	{ TARGET_QSYS,                 0x100000, 1 }, /* 0xe2100000 */
+	{ TARGET_AFI,                  0x120000, 1 }, /* 0xe2120000 */
+	{ TARGET_ANA,                  0x140000, 1 }, /* 0xe2140000 */
+};
+
+static int lan966x_create_targets(struct platform_device *pdev,
+				  struct lan966x *lan966x)
+{
+	struct resource *iores[IO_RANGES];
+	void __iomem *begin[IO_RANGES];
+	int idx;
+
+	/* Initially map the entire range and after that update each target to
+	 * point inside the region at the correct offset. It is possible that
+	 * other devices access the same region so don't add any checks about
+	 * this.
+	 */
+	for (idx = 0; idx < IO_RANGES; idx++) {
+		iores[idx] = platform_get_resource(pdev, IORESOURCE_MEM,
+						   idx);
+		if (!iores[idx]) {
+			dev_err(&pdev->dev, "Invalid resource\n");
+			return -EINVAL;
+		}
+
+		begin[idx] = devm_ioremap(&pdev->dev,
+					  iores[idx]->start,
+					  resource_size(iores[idx]));
+		if (!begin[idx]) {
+			dev_err(&pdev->dev, "Unable to get registers: %s\n",
+				iores[idx]->name);
+			return -ENOMEM;
+		}
+	}
+
+	for (idx = 0; idx < ARRAY_SIZE(lan966x_main_iomap); idx++) {
+		const struct lan966x_main_io_resource *iomap =
+			&lan966x_main_iomap[idx];
+
+		lan966x->regs[iomap->id] = begin[iomap->range] + iomap->offset;
+	}
+
+	return 0;
+}
+
+static bool lan966x_port_unique_address(struct net_device *dev)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	int p;
+
+	for (p = 0; p < lan966x->num_phys_ports; ++p) {
+		port = lan966x->ports[p];
+		if (!port || port->dev == dev)
+			continue;
+
+		if (ether_addr_equal(dev->dev_addr, port->dev->dev_addr))
+			return false;
+	}
+
+	return true;
+}
+
+static int lan966x_port_set_mac_address(struct net_device *dev, void *p)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	const struct sockaddr *addr = p;
+	int ret;
+
+	if (ether_addr_equal(addr->sa_data, dev->dev_addr))
+		return 0;
+
+	/* Learn the new net device MAC address in the mac table. */
+	ret = lan966x_mac_cpu_learn(lan966x, addr->sa_data, HOST_PVID);
+	if (ret)
+		return ret;
+
+	/* If there is another port with the same address as the dev, then don't
+	 * delete it from the MAC table
+	 */
+	if (!lan966x_port_unique_address(dev))
+		goto out;
+
+	/* Then forget the previous one. */
+	ret = lan966x_mac_cpu_forget(lan966x, dev->dev_addr, HOST_PVID);
+	if (ret)
+		return ret;
+
+out:
+	eth_hw_addr_set(dev, addr->sa_data);
+	return ret;
+}
+
+static int lan966x_port_get_phys_port_name(struct net_device *dev,
+					   char *buf, size_t len)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	int ret;
+
+	ret = snprintf(buf, len, "p%d", port->chip_port);
+	if (ret >= len)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int lan966x_port_open(struct net_device *dev)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	int err;
+
+	/* Enable receiving frames on the port, and activate auto-learning of
+	 * MAC addresses.
+	 */
+	lan_rmw(ANA_PORT_CFG_LEARNAUTO_SET(1) |
+		ANA_PORT_CFG_RECV_ENA_SET(1) |
+		ANA_PORT_CFG_PORTID_VAL_SET(port->chip_port),
+		ANA_PORT_CFG_LEARNAUTO |
+		ANA_PORT_CFG_RECV_ENA |
+		ANA_PORT_CFG_PORTID_VAL,
+		lan966x, ANA_PORT_CFG(port->chip_port));
+
+	err = phylink_fwnode_phy_connect(port->phylink, port->fwnode, 0);
+	if (err) {
+		netdev_err(dev, "Could not attach to PHY\n");
+		return err;
+	}
+
+	phylink_start(port->phylink);
+
+	return 0;
+}
+
+static int lan966x_port_stop(struct net_device *dev)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+
+	lan966x_port_config_down(port);
+	phylink_stop(port->phylink);
+	phylink_disconnect_phy(port->phylink);
+
+	return 0;
+}
+
+static int lan966x_port_inj_status(struct lan966x *lan966x)
+{
+	return lan_rd(lan966x, QS_INJ_STATUS);
+}
+
+static int lan966x_port_inj_ready(struct lan966x *lan966x, u8 grp)
+{
+	u32 val;
+
+	if (lan_rd(lan966x, QS_INJ_STATUS) & QS_INJ_STATUS_FIFO_RDY_SET(BIT(grp)))
+		return 0;
+
+	return readx_poll_timeout_atomic(lan966x_port_inj_status, lan966x, val,
+					 QS_INJ_STATUS_FIFO_RDY_GET(val) & BIT(grp),
+					 READL_SLEEP_US, READL_TIMEOUT_US);
+}
+
+static int lan966x_port_ifh_xmit(struct sk_buff *skb,
+				 __be32 *ifh,
+				 struct net_device *dev)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	u32 i, count, last;
+	u8 grp = 0;
+	u32 val;
+	int err;
+
+	val = lan_rd(lan966x, QS_INJ_STATUS);
+	if (!(QS_INJ_STATUS_FIFO_RDY_GET(val) & BIT(grp)) ||
+	    (QS_INJ_STATUS_WMARK_REACHED_GET(val) & BIT(grp)))
+		goto err;
+
+	/* Write start of frame */
+	lan_wr(QS_INJ_CTRL_GAP_SIZE_SET(1) |
+	       QS_INJ_CTRL_SOF_SET(1),
+	       lan966x, QS_INJ_CTRL(grp));
+
+	/* Write IFH header */
+	for (i = 0; i < IFH_LEN; ++i) {
+		/* Wait until the fifo is ready */
+		err = lan966x_port_inj_ready(lan966x, grp);
+		if (err)
+			goto err;
+
+		lan_wr((__force u32)ifh[i], lan966x, QS_INJ_WR(grp));
+	}
+
+	/* Write frame */
+	count = DIV_ROUND_UP(skb->len, 4);
+	last = skb->len % 4;
+	for (i = 0; i < count; ++i) {
+		/* Wait until the fifo is ready */
+		err = lan966x_port_inj_ready(lan966x, grp);
+		if (err)
+			goto err;
+
+		lan_wr(((u32 *)skb->data)[i], lan966x, QS_INJ_WR(grp));
+	}
+
+	/* Add padding */
+	while (i < (LAN966X_BUFFER_MIN_SZ / 4)) {
+		/* Wait until the fifo is ready */
+		err = lan966x_port_inj_ready(lan966x, grp);
+		if (err)
+			goto err;
+
+		lan_wr(0, lan966x, QS_INJ_WR(grp));
+		++i;
+	}
+
+	/* Inidcate EOF and valid bytes in the last word */
+	lan_wr(QS_INJ_CTRL_GAP_SIZE_SET(1) |
+	       QS_INJ_CTRL_VLD_BYTES_SET(skb->len < LAN966X_BUFFER_MIN_SZ ?
+				     0 : last) |
+	       QS_INJ_CTRL_EOF_SET(1),
+	       lan966x, QS_INJ_CTRL(grp));
+
+	/* Add dummy CRC */
+	lan_wr(0, lan966x, QS_INJ_WR(grp));
+	skb_tx_timestamp(skb);
+
+	dev->stats.tx_packets++;
+	dev->stats.tx_bytes += skb->len;
+
+	if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP &&
+	    LAN966X_SKB_CB(skb)->rew_op == IFH_REW_OP_TWO_STEP_PTP)
+		return NETDEV_TX_OK;
+
+	dev_consume_skb_any(skb);
+	return NETDEV_TX_OK;
+
+err:
+	if (skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP &&
+	    LAN966X_SKB_CB(skb)->rew_op == IFH_REW_OP_TWO_STEP_PTP)
+		lan966x_ptp_txtstamp_release(port, skb);
+
+	return NETDEV_TX_BUSY;
+}
+
+static 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)
+{
+	packing(ifh, &bypass, IFH_POS_DSTS + IFH_WID_DSTS - 1,
+		IFH_POS_DSTS, IFH_LEN * 4, PACK, 0);
+}
+
+static void lan966x_ifh_set_qos_class(void *ifh, u64 bypass)
+{
+	packing(ifh, &bypass, IFH_POS_QOS_CLASS + IFH_WID_QOS_CLASS - 1,
+		IFH_POS_QOS_CLASS, IFH_LEN * 4, PACK, 0);
+}
+
+static void lan966x_ifh_set_ipv(void *ifh, u64 bypass)
+{
+	packing(ifh, &bypass, IFH_POS_IPV + IFH_WID_IPV - 1,
+		IFH_POS_IPV, IFH_LEN * 4, PACK, 0);
+}
+
+static void lan966x_ifh_set_vid(void *ifh, u64 vid)
+{
+	packing(ifh, &vid, IFH_POS_TCI + IFH_WID_TCI - 1,
+		IFH_POS_TCI, IFH_LEN * 4, PACK, 0);
+}
+
+static void lan966x_ifh_set_rew_op(void *ifh, u64 rew_op)
+{
+	packing(ifh, &rew_op, IFH_POS_REW_CMD + IFH_WID_REW_CMD - 1,
+		IFH_POS_REW_CMD, IFH_LEN * 4, PACK, 0);
+}
+
+static void lan966x_ifh_set_timestamp(void *ifh, u64 timestamp)
+{
+	packing(ifh, &timestamp, IFH_POS_TIMESTAMP + IFH_WID_TIMESTAMP - 1,
+		IFH_POS_TIMESTAMP, IFH_LEN * 4, PACK, 0);
+}
+
+static netdev_tx_t lan966x_port_xmit(struct sk_buff *skb,
+				     struct net_device *dev)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	__be32 ifh[IFH_LEN];
+	int err;
+
+	memset(ifh, 0x0, sizeof(__be32) * IFH_LEN);
+
+	lan966x_ifh_set_bypass(ifh, 1);
+	lan966x_ifh_set_port(ifh, BIT_ULL(port->chip_port));
+	lan966x_ifh_set_qos_class(ifh, skb->priority >= 7 ? 0x7 : skb->priority);
+	lan966x_ifh_set_ipv(ifh, skb->priority >= 7 ? 0x7 : skb->priority);
+	lan966x_ifh_set_vid(ifh, skb_vlan_tag_get(skb));
+
+	if (port->lan966x->ptp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
+		err = lan966x_ptp_txtstamp_request(port, skb);
+		if (err)
+			return err;
+
+		lan966x_ifh_set_rew_op(ifh, LAN966X_SKB_CB(skb)->rew_op);
+		lan966x_ifh_set_timestamp(ifh, LAN966X_SKB_CB(skb)->ts_id);
+	}
+
+	spin_lock(&lan966x->tx_lock);
+	if (port->lan966x->fdma)
+		err = lan966x_fdma_xmit(skb, ifh, dev);
+	else
+		err = lan966x_port_ifh_xmit(skb, ifh, dev);
+	spin_unlock(&lan966x->tx_lock);
+
+	return err;
+}
+
+static int lan966x_port_change_mtu(struct net_device *dev, int new_mtu)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+	int old_mtu = dev->mtu;
+	int err;
+
+	lan_wr(DEV_MAC_MAXLEN_CFG_MAX_LEN_SET(LAN966X_HW_MTU(new_mtu)),
+	       lan966x, DEV_MAC_MAXLEN_CFG(port->chip_port));
+	dev->mtu = new_mtu;
+
+	if (!lan966x->fdma)
+		return 0;
+
+	err = lan966x_fdma_change_mtu(lan966x);
+	if (err) {
+		lan_wr(DEV_MAC_MAXLEN_CFG_MAX_LEN_SET(LAN966X_HW_MTU(old_mtu)),
+		       lan966x, DEV_MAC_MAXLEN_CFG(port->chip_port));
+		dev->mtu = old_mtu;
+	}
+
+	return err;
+}
+
+static int lan966x_mc_unsync(struct net_device *dev, const unsigned char *addr)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+
+	return lan966x_mac_forget(lan966x, addr, HOST_PVID, ENTRYTYPE_LOCKED);
+}
+
+static int lan966x_mc_sync(struct net_device *dev, const unsigned char *addr)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+
+	return lan966x_mac_cpu_learn(lan966x, addr, HOST_PVID);
+}
+
+static void lan966x_port_set_rx_mode(struct net_device *dev)
+{
+	__dev_mc_sync(dev, lan966x_mc_sync, lan966x_mc_unsync);
+}
+
+static int lan966x_port_get_parent_id(struct net_device *dev,
+				      struct netdev_phys_item_id *ppid)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+	struct lan966x *lan966x = port->lan966x;
+
+	ppid->id_len = sizeof(lan966x->base_mac);
+	memcpy(&ppid->id, &lan966x->base_mac, ppid->id_len);
+
+	return 0;
+}
+
+static int lan966x_port_ioctl(struct net_device *dev, struct ifreq *ifr,
+			      int cmd)
+{
+	struct lan966x_port *port = netdev_priv(dev);
+
+	if (!phy_has_hwtstamp(dev->phydev) && port->lan966x->ptp) {
+		switch (cmd) {
+		case SIOCSHWTSTAMP:
+			return lan966x_ptp_hwtstamp_set(port, ifr);
+		case SIOCGHWTSTAMP:
+			return lan966x_ptp_hwtstamp_get(port, ifr);
+		}
+	}
+
+	if (!dev->phydev)
+		return -ENODEV;
+
+	return phy_mii_ioctl(dev->phydev, ifr, cmd);
+}
+
+static const struct net_device_ops lan966x_port_netdev_ops = {
+	.ndo_open			= lan966x_port_open,
+	.ndo_stop			= lan966x_port_stop,
+	.ndo_start_xmit			= lan966x_port_xmit,
+	.ndo_change_mtu			= lan966x_port_change_mtu,
+	.ndo_set_rx_mode		= lan966x_port_set_rx_mode,
+	.ndo_get_phys_port_name		= lan966x_port_get_phys_port_name,
+	.ndo_get_stats64		= lan966x_stats_get,
+	.ndo_set_mac_address		= lan966x_port_set_mac_address,
+	.ndo_get_port_parent_id		= lan966x_port_get_parent_id,
+	.ndo_eth_ioctl			= lan966x_port_ioctl,
+	.ndo_setup_tc			= lan966x_tc_setup,
+};
+
+bool lan966x_netdevice_check(const struct net_device *dev)
+{
+	return dev->netdev_ops == &lan966x_port_netdev_ops;
+}
+
+bool lan966x_hw_offload(struct lan966x *lan966x, u32 port, struct sk_buff *skb)
+{
+	u32 val;
+
+	/* The IGMP and MLD frames are not forward by the HW if
+	 * multicast snooping is enabled, therefor don't mark as
+	 * offload to allow the SW to forward the frames accordingly.
+	 */
+	val = lan_rd(lan966x, ANA_CPU_FWD_CFG(port));
+	if (!(val & (ANA_CPU_FWD_CFG_IGMP_REDIR_ENA |
+		     ANA_CPU_FWD_CFG_MLD_REDIR_ENA)))
+		return true;
+
+	if (eth_type_vlan(skb->protocol)) {
+		skb = skb_vlan_untag(skb);
+		if (unlikely(!skb))
+			return false;
+	}
+
+	if (skb->protocol == htons(ETH_P_IP) &&
+	    ip_hdr(skb)->protocol == IPPROTO_IGMP)
+		return false;
+
+	if (IS_ENABLED(CONFIG_IPV6) &&
+	    skb->protocol == htons(ETH_P_IPV6) &&
+	    ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) &&
+	    !ipv6_mc_check_mld(skb))
+		return false;
+
+	return true;
+}
+
+static int lan966x_port_xtr_status(struct lan966x *lan966x, u8 grp)
+{
+	return lan_rd(lan966x, QS_XTR_RD(grp));
+}
+
+static int lan966x_port_xtr_ready(struct lan966x *lan966x, u8 grp)
+{
+	u32 val;
+
+	return read_poll_timeout(lan966x_port_xtr_status, val,
+				 val != XTR_NOT_READY,
+				 READL_SLEEP_US, READL_TIMEOUT_US, false,
+				 lan966x, grp);
+}
+
+static int lan966x_rx_frame_word(struct lan966x *lan966x, u8 grp, u32 *rval)
+{
+	u32 bytes_valid;
+	u32 val;
+	int err;
+
+	val = lan_rd(lan966x, QS_XTR_RD(grp));
+	if (val == XTR_NOT_READY) {
+		err = lan966x_port_xtr_ready(lan966x, grp);
+		if (err)
+			return -EIO;
+	}
+
+	switch (val) {
+	case XTR_ABORT:
+		return -EIO;
+	case XTR_EOF_0:
+	case XTR_EOF_1:
+	case XTR_EOF_2:
+	case XTR_EOF_3:
+	case XTR_PRUNED:
+		bytes_valid = XTR_VALID_BYTES(val);
+		val = lan_rd(lan966x, QS_XTR_RD(grp));
+		if (val == XTR_ESCAPE)
+			*rval = lan_rd(lan966x, QS_XTR_RD(grp));
+		else
+			*rval = val;
+
+		return bytes_valid;
+	case XTR_ESCAPE:
+		*rval = lan_rd(lan966x, QS_XTR_RD(grp));
+
+		return 4;
+	default:
+		*rval = val;
+
+		return 4;
+	}
+}
+
+void lan966x_ifh_get_src_port(void *ifh, u64 *src_port)
+{
+	packing(ifh, src_port, IFH_POS_SRCPORT + IFH_WID_SRCPORT - 1,
+		IFH_POS_SRCPORT, IFH_LEN * 4, UNPACK, 0);
+}
+
+static void lan966x_ifh_get_len(void *ifh, u64 *len)
+{
+	packing(ifh, len, IFH_POS_LEN + IFH_WID_LEN - 1,
+		IFH_POS_LEN, IFH_LEN * 4, UNPACK, 0);
+}
+
+void lan966x_ifh_get_timestamp(void *ifh, u64 *timestamp)
+{
+	packing(ifh, timestamp, IFH_POS_TIMESTAMP + IFH_WID_TIMESTAMP - 1,
+		IFH_POS_TIMESTAMP, IFH_LEN * 4, UNPACK, 0);
+}
+
+static irqreturn_t lan966x_xtr_irq_handler(int irq, void *args)
+{
+	struct lan966x *lan966x = args;
+	int i, grp = 0, err = 0;
+
+	if (!(lan_rd(lan966x, QS_XTR_DATA_PRESENT) & BIT(grp)))
+		return IRQ_NONE;
+
+	do {
+		u64 src_port, len, timestamp;
+		struct net_device *dev;
+		struct sk_buff *skb;
+		int sz = 0, buf_len;
+		u32 ifh[IFH_LEN];
+		u32 *buf;
+		u32 val;
+
+		for (i = 0; i < IFH_LEN; i++) {
+			err = lan966x_rx_frame_word(lan966x, grp, &ifh[i]);
+			if (err != 4)
+				goto recover;
+		}
+
+		err = 0;
+
+		lan966x_ifh_get_src_port(ifh, &src_port);
+		lan966x_ifh_get_len(ifh, &len);
+		lan966x_ifh_get_timestamp(ifh, &timestamp);
+
+		WARN_ON(src_port >= lan966x->num_phys_ports);
+
+		dev = lan966x->ports[src_port]->dev;
+		skb = netdev_alloc_skb(dev, len);
+		if (unlikely(!skb)) {
+			netdev_err(dev, "Unable to allocate sk_buff\n");
+			err = -ENOMEM;
+			break;
+		}
+		buf_len = len - ETH_FCS_LEN;
+		buf = (u32 *)skb_put(skb, buf_len);
+
+		len = 0;
+		do {
+			sz = lan966x_rx_frame_word(lan966x, grp, &val);
+			if (sz < 0) {
+				kfree_skb(skb);
+				goto recover;
+			}
+
+			*buf++ = val;
+			len += sz;
+		} while (len < buf_len);
+
+		/* Read the FCS */
+		sz = lan966x_rx_frame_word(lan966x, grp, &val);
+		if (sz < 0) {
+			kfree_skb(skb);
+			goto recover;
+		}
+
+		/* Update the statistics if part of the FCS was read before */
+		len -= ETH_FCS_LEN - sz;
+
+		if (unlikely(dev->features & NETIF_F_RXFCS)) {
+			buf = (u32 *)skb_put(skb, ETH_FCS_LEN);
+			*buf = val;
+		}
+
+		lan966x_ptp_rxtstamp(lan966x, skb, timestamp);
+		skb->protocol = eth_type_trans(skb, dev);
+
+		if (lan966x->bridge_mask & BIT(src_port)) {
+			skb->offload_fwd_mark = 1;
+
+			skb_reset_network_header(skb);
+			if (!lan966x_hw_offload(lan966x, src_port, skb))
+				skb->offload_fwd_mark = 0;
+		}
+
+		if (!skb_defer_rx_timestamp(skb))
+			netif_rx(skb);
+
+		dev->stats.rx_bytes += len;
+		dev->stats.rx_packets++;
+
+recover:
+		if (sz < 0 || err)
+			lan_rd(lan966x, QS_XTR_RD(grp));
+
+	} while (lan_rd(lan966x, QS_XTR_DATA_PRESENT) & BIT(grp));
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t lan966x_ana_irq_handler(int irq, void *args)
+{
+	struct lan966x *lan966x = args;
+
+	return lan966x_mac_irq_handler(lan966x);
+}
+
+static void lan966x_cleanup_ports(struct lan966x *lan966x)
+{
+	struct lan966x_port *port;
+	int p;
+
+	for (p = 0; p < lan966x->num_phys_ports; p++) {
+		port = lan966x->ports[p];
+		if (!port)
+			continue;
+
+		if (port->dev)
+			unregister_netdev(port->dev);
+
+		if (lan966x->fdma && lan966x->fdma_ndev == port->dev)
+			lan966x_fdma_netdev_deinit(lan966x, port->dev);
+
+		if (port->phylink) {
+			rtnl_lock();
+			lan966x_port_stop(port->dev);
+			rtnl_unlock();
+			phylink_destroy(port->phylink);
+			port->phylink = NULL;
+		}
+
+		if (port->fwnode)
+			fwnode_handle_put(port->fwnode);
+	}
+
+	disable_irq(lan966x->xtr_irq);
+	lan966x->xtr_irq = -ENXIO;
+
+	if (lan966x->ana_irq > 0) {
+		disable_irq(lan966x->ana_irq);
+		lan966x->ana_irq = -ENXIO;
+	}
+
+	if (lan966x->fdma)
+		devm_free_irq(lan966x->dev, lan966x->fdma_irq, lan966x);
+
+	if (lan966x->ptp_irq > 0)
+		devm_free_irq(lan966x->dev, lan966x->ptp_irq, lan966x);
+
+	if (lan966x->ptp_ext_irq > 0)
+		devm_free_irq(lan966x->dev, lan966x->ptp_ext_irq, lan966x);
+}
+
+static int lan966x_probe_port(struct lan966x *lan966x, u32 p,
+			      phy_interface_t phy_mode,
+			      struct fwnode_handle *portnp)
+{
+	struct lan966x_port *port;
+	struct phylink *phylink;
+	struct net_device *dev;
+	int err;
+
+	if (p >= lan966x->num_phys_ports)
+		return -EINVAL;
+
+	dev = devm_alloc_etherdev_mqs(lan966x->dev,
+				      sizeof(struct lan966x_port),
+				      NUM_PRIO_QUEUES, 1);
+	if (!dev)
+		return -ENOMEM;
+
+	SET_NETDEV_DEV(dev, lan966x->dev);
+	port = netdev_priv(dev);
+	port->dev = dev;
+	port->lan966x = lan966x;
+	port->chip_port = p;
+	lan966x->ports[p] = port;
+
+	dev->max_mtu = ETH_MAX_MTU;
+
+	dev->netdev_ops = &lan966x_port_netdev_ops;
+	dev->ethtool_ops = &lan966x_ethtool_ops;
+	dev->features |= NETIF_F_HW_VLAN_CTAG_TX |
+			 NETIF_F_HW_VLAN_STAG_TX |
+			 NETIF_F_HW_TC;
+	dev->hw_features |= NETIF_F_HW_TC;
+	dev->needed_headroom = IFH_LEN * sizeof(u32);
+
+	eth_hw_addr_gen(dev, lan966x->base_mac, p + 1);
+
+	lan966x_mac_learn(lan966x, PGID_CPU, dev->dev_addr, HOST_PVID,
+			  ENTRYTYPE_LOCKED);
+
+	port->phylink_config.dev = &port->dev->dev;
+	port->phylink_config.type = PHYLINK_NETDEV;
+	port->phylink_pcs.poll = true;
+	port->phylink_pcs.ops = &lan966x_phylink_pcs_ops;
+
+	port->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+		MAC_10 | MAC_100 | MAC_1000FD | MAC_2500FD;
+
+	phy_interface_set_rgmii(port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_MII,
+		  port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_GMII,
+		  port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_SGMII,
+		  port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_QSGMII,
+		  port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_QUSGMII,
+		  port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_1000BASEX,
+		  port->phylink_config.supported_interfaces);
+	__set_bit(PHY_INTERFACE_MODE_2500BASEX,
+		  port->phylink_config.supported_interfaces);
+
+	phylink = phylink_create(&port->phylink_config,
+				 portnp,
+				 phy_mode,
+				 &lan966x_phylink_mac_ops);
+	if (IS_ERR(phylink)) {
+		port->dev = NULL;
+		return PTR_ERR(phylink);
+	}
+
+	port->phylink = phylink;
+
+	err = register_netdev(dev);
+	if (err) {
+		dev_err(lan966x->dev, "register_netdev failed\n");
+		return err;
+	}
+
+	lan966x_vlan_port_set_vlan_aware(port, 0);
+	lan966x_vlan_port_set_vid(port, HOST_PVID, false, false);
+	lan966x_vlan_port_apply(port);
+
+	return 0;
+}
+
+static void lan966x_init(struct lan966x *lan966x)
+{
+	u32 p, i;
+
+	/* MAC table initialization */
+	lan966x_mac_init(lan966x);
+
+	lan966x_vlan_init(lan966x);
+
+	/* Flush queues */
+	lan_wr(lan_rd(lan966x, QS_XTR_FLUSH) |
+	       GENMASK(1, 0),
+	       lan966x, QS_XTR_FLUSH);
+
+	/* Allow to drain */
+	mdelay(1);
+
+	/* All Queues normal */
+	lan_wr(lan_rd(lan966x, QS_XTR_FLUSH) &
+	       ~(GENMASK(1, 0)),
+	       lan966x, QS_XTR_FLUSH);
+
+	/* Set MAC age time to default value, the entry is aged after
+	 * 2 * AGE_PERIOD
+	 */
+	lan_wr(ANA_AUTOAGE_AGE_PERIOD_SET(BR_DEFAULT_AGEING_TIME / 2 / HZ),
+	       lan966x, ANA_AUTOAGE);
+
+	/* Disable learning for frames discarded by VLAN ingress filtering */
+	lan_rmw(ANA_ADVLEARN_VLAN_CHK_SET(1),
+		ANA_ADVLEARN_VLAN_CHK,
+		lan966x, ANA_ADVLEARN);
+
+	/* Setup frame ageing - "2 sec" - The unit is 6.5 us on lan966x */
+	lan_wr(SYS_FRM_AGING_AGE_TX_ENA_SET(1) |
+	       (20000000 / 65),
+	       lan966x,  SYS_FRM_AGING);
+
+	/* Map the 8 CPU extraction queues to CPU port */
+	lan_wr(0, lan966x, QSYS_CPU_GROUP_MAP);
+
+	/* Do byte-swap and expect status after last data word
+	 * Extraction: Mode: manual extraction) | Byte_swap
+	 */
+	lan_wr(QS_XTR_GRP_CFG_MODE_SET(lan966x->fdma ? 2 : 1) |
+	       QS_XTR_GRP_CFG_BYTE_SWAP_SET(1),
+	       lan966x, QS_XTR_GRP_CFG(0));
+
+	/* Injection: Mode: manual injection | Byte_swap */
+	lan_wr(QS_INJ_GRP_CFG_MODE_SET(lan966x->fdma ? 2 : 1) |
+	       QS_INJ_GRP_CFG_BYTE_SWAP_SET(1),
+	       lan966x, QS_INJ_GRP_CFG(0));
+
+	lan_rmw(QS_INJ_CTRL_GAP_SIZE_SET(0),
+		QS_INJ_CTRL_GAP_SIZE,
+		lan966x, QS_INJ_CTRL(0));
+
+	/* Enable IFH insertion/parsing on CPU ports */
+	lan_wr(SYS_PORT_MODE_INCL_INJ_HDR_SET(1) |
+	       SYS_PORT_MODE_INCL_XTR_HDR_SET(1),
+	       lan966x, SYS_PORT_MODE(CPU_PORT));
+
+	/* Setup flooding PGIDs */
+	lan_wr(ANA_FLOODING_IPMC_FLD_MC4_DATA_SET(PGID_MCIPV4) |
+	       ANA_FLOODING_IPMC_FLD_MC4_CTRL_SET(PGID_MC) |
+	       ANA_FLOODING_IPMC_FLD_MC6_DATA_SET(PGID_MCIPV6) |
+	       ANA_FLOODING_IPMC_FLD_MC6_CTRL_SET(PGID_MC),
+	       lan966x, ANA_FLOODING_IPMC);
+
+	/* There are 8 priorities */
+	for (i = 0; i < 8; ++i)
+		lan_rmw(ANA_FLOODING_FLD_MULTICAST_SET(PGID_MC) |
+			ANA_FLOODING_FLD_UNICAST_SET(PGID_UC) |
+			ANA_FLOODING_FLD_BROADCAST_SET(PGID_BC),
+			ANA_FLOODING_FLD_MULTICAST |
+			ANA_FLOODING_FLD_UNICAST |
+			ANA_FLOODING_FLD_BROADCAST,
+			lan966x, ANA_FLOODING(i));
+
+	for (i = 0; i < PGID_ENTRIES; ++i)
+		/* Set all the entries to obey VLAN_VLAN */
+		lan_rmw(ANA_PGID_CFG_OBEY_VLAN_SET(1),
+			ANA_PGID_CFG_OBEY_VLAN,
+			lan966x, ANA_PGID_CFG(i));
+
+	for (p = 0; p < lan966x->num_phys_ports; p++) {
+		/* Disable bridging by default */
+		lan_rmw(ANA_PGID_PGID_SET(0x0),
+			ANA_PGID_PGID,
+			lan966x, ANA_PGID(p + PGID_SRC));
+
+		/* Do not forward BPDU frames to the front ports and copy them
+		 * to CPU
+		 */
+		lan_wr(0xffff, lan966x, ANA_CPU_FWD_BPDU_CFG(p));
+	}
+
+	/* Set source buffer size for each priority and each port to 1500 bytes */
+	for (i = 0; i <= QSYS_Q_RSRV; ++i) {
+		lan_wr(1500 / 64, lan966x, QSYS_RES_CFG(i));
+		lan_wr(1500 / 64, lan966x, QSYS_RES_CFG(512 + i));
+	}
+
+	/* Enable switching to/from cpu port */
+	lan_wr(QSYS_SW_PORT_MODE_PORT_ENA_SET(1) |
+	       QSYS_SW_PORT_MODE_SCH_NEXT_CFG_SET(1) |
+	       QSYS_SW_PORT_MODE_INGRESS_DROP_MODE_SET(1),
+	       lan966x,  QSYS_SW_PORT_MODE(CPU_PORT));
+
+	/* Configure and enable the CPU port */
+	lan_rmw(ANA_PGID_PGID_SET(0),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(CPU_PORT));
+	lan_rmw(ANA_PGID_PGID_SET(BIT(CPU_PORT)),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(PGID_CPU));
+
+	/* Multicast to all other ports */
+	lan_rmw(GENMASK(lan966x->num_phys_ports - 1, 0),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(PGID_MC));
+
+	/* This will be controlled by mrouter ports */
+	lan_rmw(GENMASK(lan966x->num_phys_ports - 1, 0),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(PGID_MCIPV4));
+
+	lan_rmw(GENMASK(lan966x->num_phys_ports - 1, 0),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(PGID_MCIPV6));
+
+	/* Unicast to all other ports */
+	lan_rmw(GENMASK(lan966x->num_phys_ports - 1, 0),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(PGID_UC));
+
+	/* Broadcast to the CPU port and to other ports */
+	lan_rmw(ANA_PGID_PGID_SET(BIT(CPU_PORT) | GENMASK(lan966x->num_phys_ports - 1, 0)),
+		ANA_PGID_PGID,
+		lan966x, ANA_PGID(PGID_BC));
+
+	lan_wr(REW_PORT_CFG_NO_REWRITE_SET(1),
+	       lan966x, REW_PORT_CFG(CPU_PORT));
+
+	lan_rmw(ANA_ANAINTR_INTR_ENA_SET(1),
+		ANA_ANAINTR_INTR_ENA,
+		lan966x, ANA_ANAINTR);
+
+	spin_lock_init(&lan966x->tx_lock);
+
+	lan966x_taprio_init(lan966x);
+}
+
+static int lan966x_ram_init(struct lan966x *lan966x)
+{
+	return lan_rd(lan966x, SYS_RAM_INIT);
+}
+
+static int lan966x_reset_switch(struct lan966x *lan966x)
+{
+	struct reset_control *switch_reset;
+	int val = 0;
+	int ret;
+
+	switch_reset = devm_reset_control_get_optional_shared(lan966x->dev,
+							      "switch");
+	if (IS_ERR(switch_reset))
+		return dev_err_probe(lan966x->dev, PTR_ERR(switch_reset),
+				     "Could not obtain switch reset");
+
+	reset_control_reset(switch_reset);
+
+	/* Don't reinitialize the switch core, if it is already initialized. In
+	 * case it is initialized twice, some pointers inside the queue system
+	 * in HW will get corrupted and then after a while the queue system gets
+	 * full and no traffic is passing through the switch. The issue is seen
+	 * when loading and unloading the driver and sending traffic through the
+	 * switch.
+	 */
+	if (lan_rd(lan966x, SYS_RESET_CFG) & SYS_RESET_CFG_CORE_ENA)
+		return 0;
+
+	lan_wr(SYS_RESET_CFG_CORE_ENA_SET(0), lan966x, SYS_RESET_CFG);
+	lan_wr(SYS_RAM_INIT_RAM_INIT_SET(1), lan966x, SYS_RAM_INIT);
+	ret = readx_poll_timeout(lan966x_ram_init, lan966x,
+				 val, (val & BIT(1)) == 0, READL_SLEEP_US,
+				 READL_TIMEOUT_US);
+	if (ret)
+		return ret;
+
+	lan_wr(SYS_RESET_CFG_CORE_ENA_SET(1), lan966x, SYS_RESET_CFG);
+
+	return 0;
+}
+
+static int lan966x_probe(struct platform_device *pdev)
+{
+	struct fwnode_handle *ports, *portnp;
+	struct lan966x *lan966x;
+	u8 mac_addr[ETH_ALEN];
+	int err;
+
+	lan966x = devm_kzalloc(&pdev->dev, sizeof(*lan966x), GFP_KERNEL);
+	if (!lan966x)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, lan966x);
+	lan966x->dev = &pdev->dev;
+
+	if (!device_get_mac_address(&pdev->dev, mac_addr)) {
+		ether_addr_copy(lan966x->base_mac, mac_addr);
+	} else {
+		pr_info("MAC addr was not set, use random MAC\n");
+		eth_random_addr(lan966x->base_mac);
+		lan966x->base_mac[5] &= 0xf0;
+	}
+
+	err = lan966x_create_targets(pdev, lan966x);
+	if (err)
+		return dev_err_probe(&pdev->dev, err,
+				     "Failed to create targets");
+
+	err = lan966x_reset_switch(lan966x);
+	if (err)
+		return dev_err_probe(&pdev->dev, err, "Reset failed");
+
+	lan966x->num_phys_ports = NUM_PHYS_PORTS;
+	lan966x->ports = devm_kcalloc(&pdev->dev, lan966x->num_phys_ports,
+				      sizeof(struct lan966x_port *),
+				      GFP_KERNEL);
+	if (!lan966x->ports)
+		return -ENOMEM;
+
+	/* There QS system has 32KB of memory */
+	lan966x->shared_queue_sz = LAN966X_BUFFER_MEMORY;
+
+	/* set irq */
+	lan966x->xtr_irq = platform_get_irq_byname(pdev, "xtr");
+	if (lan966x->xtr_irq <= 0)
+		return -EINVAL;
+
+	err = devm_request_threaded_irq(&pdev->dev, lan966x->xtr_irq, NULL,
+					lan966x_xtr_irq_handler, IRQF_ONESHOT,
+					"frame extraction", lan966x);
+	if (err) {
+		pr_err("Unable to use xtr irq");
+		return -ENODEV;
+	}
+
+	lan966x->ana_irq = platform_get_irq_byname(pdev, "ana");
+	if (lan966x->ana_irq > 0) {
+		err = devm_request_threaded_irq(&pdev->dev, lan966x->ana_irq, NULL,
+						lan966x_ana_irq_handler, IRQF_ONESHOT,
+						"ana irq", lan966x);
+		if (err)
+			return dev_err_probe(&pdev->dev, err, "Unable to use ana irq");
+	}
+
+	lan966x->ptp_irq = platform_get_irq_byname(pdev, "ptp");
+	if (lan966x->ptp_irq > 0) {
+		err = devm_request_threaded_irq(&pdev->dev, lan966x->ptp_irq, NULL,
+						lan966x_ptp_irq_handler, IRQF_ONESHOT,
+						"ptp irq", lan966x);
+		if (err)
+			return dev_err_probe(&pdev->dev, err, "Unable to use ptp irq");
+
+		lan966x->ptp = 1;
+	}
+
+	lan966x->fdma_irq = platform_get_irq_byname(pdev, "fdma");
+	if (lan966x->fdma_irq > 0) {
+		err = devm_request_irq(&pdev->dev, lan966x->fdma_irq,
+				       lan966x_fdma_irq_handler, 0,
+				       "fdma irq", lan966x);
+		if (err)
+			return dev_err_probe(&pdev->dev, err, "Unable to use fdma irq");
+
+		lan966x->fdma = true;
+	}
+
+	if (lan966x->ptp) {
+		lan966x->ptp_ext_irq = platform_get_irq_byname(pdev, "ptp-ext");
+		if (lan966x->ptp_ext_irq > 0) {
+			err = devm_request_threaded_irq(&pdev->dev,
+							lan966x->ptp_ext_irq, NULL,
+							lan966x_ptp_ext_irq_handler,
+							IRQF_ONESHOT,
+							"ptp-ext irq", lan966x);
+			if (err)
+				return dev_err_probe(&pdev->dev, err,
+						     "Unable to use ptp-ext irq");
+		}
+	}
+
+	ports = device_get_named_child_node(&pdev->dev, "ethernet-ports");
+	if (!ports)
+		return dev_err_probe(&pdev->dev, -ENODEV,
+				     "no ethernet-ports child found\n");
+
+	/* init switch */
+	lan966x_init(lan966x);
+	lan966x_stats_init(lan966x);
+
+	/* go over the child nodes */
+	fwnode_for_each_available_child_node(ports, portnp) {
+		phy_interface_t phy_mode;
+		struct phy *serdes;
+		u32 p;
+
+		if (fwnode_property_read_u32(portnp, "reg", &p))
+			continue;
+
+		phy_mode = fwnode_get_phy_mode(portnp);
+		err = lan966x_probe_port(lan966x, p, phy_mode, portnp);
+		if (err)
+			goto cleanup_ports;
+
+		/* Read needed configuration */
+		lan966x->ports[p]->config.portmode = phy_mode;
+		lan966x->ports[p]->fwnode = fwnode_handle_get(portnp);
+
+		serdes = devm_of_phy_get(lan966x->dev, to_of_node(portnp), NULL);
+		if (PTR_ERR(serdes) == -ENODEV)
+			serdes = NULL;
+		if (IS_ERR(serdes)) {
+			err = PTR_ERR(serdes);
+			goto cleanup_ports;
+		}
+		lan966x->ports[p]->serdes = serdes;
+
+		lan966x_port_init(lan966x->ports[p]);
+	}
+
+	fwnode_handle_put(ports);
+
+	lan966x_mdb_init(lan966x);
+	err = lan966x_fdb_init(lan966x);
+	if (err)
+		goto cleanup_ports;
+
+	err = lan966x_ptp_init(lan966x);
+	if (err)
+		goto cleanup_fdb;
+
+	err = lan966x_fdma_init(lan966x);
+	if (err)
+		goto cleanup_ptp;
+
+	return 0;
+
+cleanup_ptp:
+	lan966x_ptp_deinit(lan966x);
+
+cleanup_fdb:
+	lan966x_fdb_deinit(lan966x);
+
+cleanup_ports:
+	fwnode_handle_put(ports);
+	fwnode_handle_put(portnp);
+
+	lan966x_cleanup_ports(lan966x);
+
+	cancel_delayed_work_sync(&lan966x->stats_work);
+	destroy_workqueue(lan966x->stats_queue);
+	mutex_destroy(&lan966x->stats_lock);
+
+	return err;
+}
+
+static int lan966x_remove(struct platform_device *pdev)
+{
+	struct lan966x *lan966x = platform_get_drvdata(pdev);
+
+	lan966x_taprio_deinit(lan966x);
+	lan966x_fdma_deinit(lan966x);
+	lan966x_cleanup_ports(lan966x);
+
+	cancel_delayed_work_sync(&lan966x->stats_work);
+	destroy_workqueue(lan966x->stats_queue);
+	mutex_destroy(&lan966x->stats_lock);
+
+	lan966x_mac_purge_entries(lan966x);
+	lan966x_mdb_deinit(lan966x);
+	lan966x_fdb_deinit(lan966x);
+	lan966x_ptp_deinit(lan966x);
+
+	return 0;
+}
+
+static struct platform_driver lan966x_driver = {
+	.probe = lan966x_probe,
+	.remove = lan966x_remove,
+	.driver = {
+		.name = "lan966x-switch",
+		.of_match_table = lan966x_match,
+	},
+};
+
+static int __init lan966x_switch_driver_init(void)
+{
+	int ret;
+
+	lan966x_register_notifier_blocks();
+
+	ret = platform_driver_register(&lan966x_driver);
+	if (ret)
+		goto err;
+
+	return 0;
+
+err:
+	lan966x_unregister_notifier_blocks();
+	return ret;
+}
+
+static void __exit lan966x_switch_driver_exit(void)
+{
+	platform_driver_unregister(&lan966x_driver);
+	lan966x_unregister_notifier_blocks();
+}
+
+module_init(lan966x_switch_driver_init);
+module_exit(lan966x_switch_driver_exit);
+
+MODULE_DESCRIPTION("Microchip LAN966X switch driver");
+MODULE_AUTHOR("Horatiu Vultur <horatiu.vultur@microchip.com>");
+MODULE_LICENSE("Dual MIT/GPL");