1 files changed, 770 insertions, 0 deletions

diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
new file mode 100644
index 00000000..9ae9f063
--- /dev/null
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -0,0 +1,770 @@
+/*   SPDX-License-Identifier: BSD-3-Clause
+ *   Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
+ *   Copyright(c) 2018 Synopsys, Inc. All rights reserved.
+ */
+
+#include "axgbe_rxtx.h"
+#include "axgbe_ethdev.h"
+#include "axgbe_common.h"
+#include "axgbe_phy.h"
+
+static int eth_axgbe_dev_init(struct rte_eth_dev *eth_dev);
+static int eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev);
+static int  axgbe_dev_configure(struct rte_eth_dev *dev);
+static int  axgbe_dev_start(struct rte_eth_dev *dev);
+static void axgbe_dev_stop(struct rte_eth_dev *dev);
+static void axgbe_dev_interrupt_handler(void *param);
+static void axgbe_dev_close(struct rte_eth_dev *dev);
+static void axgbe_dev_promiscuous_enable(struct rte_eth_dev *dev);
+static void axgbe_dev_promiscuous_disable(struct rte_eth_dev *dev);
+static void axgbe_dev_allmulticast_enable(struct rte_eth_dev *dev);
+static void axgbe_dev_allmulticast_disable(struct rte_eth_dev *dev);
+static int axgbe_dev_link_update(struct rte_eth_dev *dev,
+				 int wait_to_complete);
+static int axgbe_dev_stats_get(struct rte_eth_dev *dev,
+				struct rte_eth_stats *stats);
+static void axgbe_dev_stats_reset(struct rte_eth_dev *dev);
+static void axgbe_dev_info_get(struct rte_eth_dev *dev,
+			       struct rte_eth_dev_info *dev_info);
+
+/* The set of PCI devices this driver supports */
+#define AMD_PCI_VENDOR_ID       0x1022
+#define AMD_PCI_AXGBE_DEVICE_V2A 0x1458
+#define AMD_PCI_AXGBE_DEVICE_V2B 0x1459
+
+int axgbe_logtype_init;
+int axgbe_logtype_driver;
+
+static const struct rte_pci_id pci_id_axgbe_map[] = {
+	{RTE_PCI_DEVICE(AMD_PCI_VENDOR_ID, AMD_PCI_AXGBE_DEVICE_V2A)},
+	{RTE_PCI_DEVICE(AMD_PCI_VENDOR_ID, AMD_PCI_AXGBE_DEVICE_V2B)},
+	{ .vendor_id = 0, },
+};
+
+static struct axgbe_version_data axgbe_v2a = {
+	.init_function_ptrs_phy_impl    = axgbe_init_function_ptrs_phy_v2,
+	.xpcs_access			= AXGBE_XPCS_ACCESS_V2,
+	.mmc_64bit			= 1,
+	.tx_max_fifo_size		= 229376,
+	.rx_max_fifo_size		= 229376,
+	.tx_tstamp_workaround		= 1,
+	.ecc_support			= 1,
+	.i2c_support			= 1,
+	.an_cdr_workaround		= 1,
+};
+
+static struct axgbe_version_data axgbe_v2b = {
+	.init_function_ptrs_phy_impl    = axgbe_init_function_ptrs_phy_v2,
+	.xpcs_access			= AXGBE_XPCS_ACCESS_V2,
+	.mmc_64bit			= 1,
+	.tx_max_fifo_size		= 65536,
+	.rx_max_fifo_size		= 65536,
+	.tx_tstamp_workaround		= 1,
+	.ecc_support			= 1,
+	.i2c_support			= 1,
+	.an_cdr_workaround		= 1,
+};
+
+static const struct rte_eth_desc_lim rx_desc_lim = {
+	.nb_max = AXGBE_MAX_RING_DESC,
+	.nb_min = AXGBE_MIN_RING_DESC,
+	.nb_align = 8,
+};
+
+static const struct rte_eth_desc_lim tx_desc_lim = {
+	.nb_max = AXGBE_MAX_RING_DESC,
+	.nb_min = AXGBE_MIN_RING_DESC,
+	.nb_align = 8,
+};
+
+static const struct eth_dev_ops axgbe_eth_dev_ops = {
+	.dev_configure        = axgbe_dev_configure,
+	.dev_start            = axgbe_dev_start,
+	.dev_stop             = axgbe_dev_stop,
+	.dev_close            = axgbe_dev_close,
+	.promiscuous_enable   = axgbe_dev_promiscuous_enable,
+	.promiscuous_disable  = axgbe_dev_promiscuous_disable,
+	.allmulticast_enable  = axgbe_dev_allmulticast_enable,
+	.allmulticast_disable = axgbe_dev_allmulticast_disable,
+	.link_update          = axgbe_dev_link_update,
+	.stats_get            = axgbe_dev_stats_get,
+	.stats_reset          = axgbe_dev_stats_reset,
+	.dev_infos_get        = axgbe_dev_info_get,
+	.rx_queue_setup       = axgbe_dev_rx_queue_setup,
+	.rx_queue_release     = axgbe_dev_rx_queue_release,
+	.tx_queue_setup       = axgbe_dev_tx_queue_setup,
+	.tx_queue_release     = axgbe_dev_tx_queue_release,
+};
+
+static int axgbe_phy_reset(struct axgbe_port *pdata)
+{
+	pdata->phy_link = -1;
+	pdata->phy_speed = SPEED_UNKNOWN;
+	return pdata->phy_if.phy_reset(pdata);
+}
+
+/*
+ * Interrupt handler triggered by NIC  for handling
+ * specific interrupt.
+ *
+ * @param handle
+ *  Pointer to interrupt handle.
+ * @param param
+ *  The address of parameter (struct rte_eth_dev *) regsitered before.
+ *
+ * @return
+ *  void
+ */
+static void
+axgbe_dev_interrupt_handler(void *param)
+{
+	struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+	struct axgbe_port *pdata = dev->data->dev_private;
+	unsigned int dma_isr, dma_ch_isr;
+
+	pdata->phy_if.an_isr(pdata);
+	/*DMA related interrupts*/
+	dma_isr = AXGMAC_IOREAD(pdata, DMA_ISR);
+	if (dma_isr) {
+		if (dma_isr & 1) {
+			dma_ch_isr =
+				AXGMAC_DMA_IOREAD((struct axgbe_rx_queue *)
+						  pdata->rx_queues[0],
+						  DMA_CH_SR);
+			AXGMAC_DMA_IOWRITE((struct axgbe_rx_queue *)
+					   pdata->rx_queues[0],
+					   DMA_CH_SR, dma_ch_isr);
+		}
+	}
+	/* Enable interrupts since disabled after generation*/
+	rte_intr_enable(&pdata->pci_dev->intr_handle);
+}
+
+/*
+ * Configure device link speed and setup link.
+ * It returns 0 on success.
+ */
+static int
+axgbe_dev_configure(struct rte_eth_dev *dev)
+{
+	struct axgbe_port *pdata =  dev->data->dev_private;
+	/* Checksum offload to hardware */
+	pdata->rx_csum_enable = dev->data->dev_conf.rxmode.offloads &
+				DEV_RX_OFFLOAD_CHECKSUM;
+	return 0;
+}
+
+static int
+axgbe_dev_rx_mq_config(struct rte_eth_dev *dev)
+{
+	struct axgbe_port *pdata = (struct axgbe_port *)dev->data->dev_private;
+
+	if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_RSS)
+		pdata->rss_enable = 1;
+	else if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_NONE)
+		pdata->rss_enable = 0;
+	else
+		return  -1;
+	return 0;
+}
+
+static int
+axgbe_dev_start(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata = (struct axgbe_port *)dev->data->dev_private;
+	int ret;
+
+	/* Multiqueue RSS */
+	ret = axgbe_dev_rx_mq_config(dev);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "Unable to config RX MQ\n");
+		return ret;
+	}
+	ret = axgbe_phy_reset(pdata);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "phy reset failed\n");
+		return ret;
+	}
+	ret = pdata->hw_if.init(pdata);
+	if (ret) {
+		PMD_DRV_LOG(ERR, "dev_init failed\n");
+		return ret;
+	}
+
+	/* enable uio/vfio intr/eventfd mapping */
+	rte_intr_enable(&pdata->pci_dev->intr_handle);
+
+	/* phy start*/
+	pdata->phy_if.phy_start(pdata);
+	axgbe_dev_enable_tx(dev);
+	axgbe_dev_enable_rx(dev);
+
+	axgbe_clear_bit(AXGBE_STOPPED, &pdata->dev_state);
+	axgbe_clear_bit(AXGBE_DOWN, &pdata->dev_state);
+	return 0;
+}
+
+/* Stop device: disable rx and tx functions to allow for reconfiguring. */
+static void
+axgbe_dev_stop(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata = dev->data->dev_private;
+
+	rte_intr_disable(&pdata->pci_dev->intr_handle);
+
+	if (axgbe_test_bit(AXGBE_STOPPED, &pdata->dev_state))
+		return;
+
+	axgbe_set_bit(AXGBE_STOPPED, &pdata->dev_state);
+	axgbe_dev_disable_tx(dev);
+	axgbe_dev_disable_rx(dev);
+
+	pdata->phy_if.phy_stop(pdata);
+	pdata->hw_if.exit(pdata);
+	memset(&dev->data->dev_link, 0, sizeof(struct rte_eth_link));
+	axgbe_set_bit(AXGBE_DOWN, &pdata->dev_state);
+}
+
+/* Clear all resources like TX/RX queues. */
+static void
+axgbe_dev_close(struct rte_eth_dev *dev)
+{
+	axgbe_dev_clear_queues(dev);
+}
+
+static void
+axgbe_dev_promiscuous_enable(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata = dev->data->dev_private;
+
+	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 1);
+}
+
+static void
+axgbe_dev_promiscuous_disable(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata = dev->data->dev_private;
+
+	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PR, 0);
+}
+
+static void
+axgbe_dev_allmulticast_enable(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata = dev->data->dev_private;
+
+	if (AXGMAC_IOREAD_BITS(pdata, MAC_PFR, PM))
+		return;
+	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PM, 1);
+}
+
+static void
+axgbe_dev_allmulticast_disable(struct rte_eth_dev *dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata = dev->data->dev_private;
+
+	if (!AXGMAC_IOREAD_BITS(pdata, MAC_PFR, PM))
+		return;
+	AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, PM, 0);
+}
+
+/* return 0 means link status changed, -1 means not changed */
+static int
+axgbe_dev_link_update(struct rte_eth_dev *dev,
+		      int wait_to_complete __rte_unused)
+{
+	struct axgbe_port *pdata = dev->data->dev_private;
+	struct rte_eth_link link;
+	int ret = 0;
+
+	PMD_INIT_FUNC_TRACE();
+	rte_delay_ms(800);
+
+	pdata->phy_if.phy_status(pdata);
+
+	memset(&link, 0, sizeof(struct rte_eth_link));
+	link.link_duplex = pdata->phy.duplex;
+	link.link_status = pdata->phy_link;
+	link.link_speed = pdata->phy_speed;
+	link.link_autoneg = !(dev->data->dev_conf.link_speeds &
+			      ETH_LINK_SPEED_FIXED);
+	ret = rte_eth_linkstatus_set(dev, &link);
+	if (ret == -1)
+		PMD_DRV_LOG(ERR, "No change in link status\n");
+
+	return ret;
+}
+
+static int
+axgbe_dev_stats_get(struct rte_eth_dev *dev,
+		    struct rte_eth_stats *stats)
+{
+	struct axgbe_rx_queue *rxq;
+	struct axgbe_tx_queue *txq;
+	unsigned int i;
+
+	for (i = 0; i < dev->data->nb_rx_queues; i++) {
+		rxq = dev->data->rx_queues[i];
+		stats->q_ipackets[i] = rxq->pkts;
+		stats->ipackets += rxq->pkts;
+		stats->q_ibytes[i] = rxq->bytes;
+		stats->ibytes += rxq->bytes;
+	}
+	for (i = 0; i < dev->data->nb_tx_queues; i++) {
+		txq = dev->data->tx_queues[i];
+		stats->q_opackets[i] = txq->pkts;
+		stats->opackets += txq->pkts;
+		stats->q_obytes[i] = txq->bytes;
+		stats->obytes += txq->bytes;
+	}
+
+	return 0;
+}
+
+static void
+axgbe_dev_stats_reset(struct rte_eth_dev *dev)
+{
+	struct axgbe_rx_queue *rxq;
+	struct axgbe_tx_queue *txq;
+	unsigned int i;
+
+	for (i = 0; i < dev->data->nb_rx_queues; i++) {
+		rxq = dev->data->rx_queues[i];
+		rxq->pkts = 0;
+		rxq->bytes = 0;
+		rxq->errors = 0;
+	}
+	for (i = 0; i < dev->data->nb_tx_queues; i++) {
+		txq = dev->data->tx_queues[i];
+		txq->pkts = 0;
+		txq->bytes = 0;
+		txq->errors = 0;
+	}
+}
+
+static void
+axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+	struct axgbe_port *pdata = dev->data->dev_private;
+
+	dev_info->max_rx_queues = pdata->rx_ring_count;
+	dev_info->max_tx_queues = pdata->tx_ring_count;
+	dev_info->min_rx_bufsize = AXGBE_RX_MIN_BUF_SIZE;
+	dev_info->max_rx_pktlen = AXGBE_RX_MAX_BUF_SIZE;
+	dev_info->max_mac_addrs = AXGBE_MAX_MAC_ADDRS;
+	dev_info->speed_capa =  ETH_LINK_SPEED_10G;
+
+	dev_info->rx_offload_capa =
+		DEV_RX_OFFLOAD_IPV4_CKSUM |
+		DEV_RX_OFFLOAD_UDP_CKSUM  |
+		DEV_RX_OFFLOAD_TCP_CKSUM  |
+		DEV_RX_OFFLOAD_CRC_STRIP  |
+		DEV_RX_OFFLOAD_KEEP_CRC;
+
+	dev_info->tx_offload_capa =
+		DEV_TX_OFFLOAD_IPV4_CKSUM  |
+		DEV_TX_OFFLOAD_UDP_CKSUM   |
+		DEV_TX_OFFLOAD_TCP_CKSUM;
+
+	if (pdata->hw_feat.rss) {
+		dev_info->flow_type_rss_offloads = AXGBE_RSS_OFFLOAD;
+		dev_info->reta_size = pdata->hw_feat.hash_table_size;
+		dev_info->hash_key_size =  AXGBE_RSS_HASH_KEY_SIZE;
+	}
+
+	dev_info->rx_desc_lim = rx_desc_lim;
+	dev_info->tx_desc_lim = tx_desc_lim;
+
+	dev_info->default_rxconf = (struct rte_eth_rxconf) {
+		.rx_free_thresh = AXGBE_RX_FREE_THRESH,
+	};
+
+	dev_info->default_txconf = (struct rte_eth_txconf) {
+		.tx_free_thresh = AXGBE_TX_FREE_THRESH,
+	};
+}
+
+static void axgbe_get_all_hw_features(struct axgbe_port *pdata)
+{
+	unsigned int mac_hfr0, mac_hfr1, mac_hfr2;
+	struct axgbe_hw_features *hw_feat = &pdata->hw_feat;
+
+	mac_hfr0 = AXGMAC_IOREAD(pdata, MAC_HWF0R);
+	mac_hfr1 = AXGMAC_IOREAD(pdata, MAC_HWF1R);
+	mac_hfr2 = AXGMAC_IOREAD(pdata, MAC_HWF2R);
+
+	memset(hw_feat, 0, sizeof(*hw_feat));
+
+	hw_feat->version = AXGMAC_IOREAD(pdata, MAC_VR);
+
+	/* Hardware feature register 0 */
+	hw_feat->gmii        = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, GMIISEL);
+	hw_feat->vlhash      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, VLHASH);
+	hw_feat->sma         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, SMASEL);
+	hw_feat->rwk         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, RWKSEL);
+	hw_feat->mgk         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, MGKSEL);
+	hw_feat->mmc         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, MMCSEL);
+	hw_feat->aoe         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, ARPOFFSEL);
+	hw_feat->ts          = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, TSSEL);
+	hw_feat->eee         = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, EEESEL);
+	hw_feat->tx_coe      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, TXCOESEL);
+	hw_feat->rx_coe      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, RXCOESEL);
+	hw_feat->addn_mac    = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R,
+					      ADDMACADRSEL);
+	hw_feat->ts_src      = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, TSSTSSEL);
+	hw_feat->sa_vlan_ins = AXGMAC_GET_BITS(mac_hfr0, MAC_HWF0R, SAVLANINS);
+
+	/* Hardware feature register 1 */
+	hw_feat->rx_fifo_size  = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
+						RXFIFOSIZE);
+	hw_feat->tx_fifo_size  = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
+						TXFIFOSIZE);
+	hw_feat->adv_ts_hi     = AXGMAC_GET_BITS(mac_hfr1,
+						 MAC_HWF1R, ADVTHWORD);
+	hw_feat->dma_width     = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, ADDR64);
+	hw_feat->dcb           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, DCBEN);
+	hw_feat->sph           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, SPHEN);
+	hw_feat->tso           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, TSOEN);
+	hw_feat->dma_debug     = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, DBGMEMA);
+	hw_feat->rss           = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, RSSEN);
+	hw_feat->tc_cnt	       = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R, NUMTC);
+	hw_feat->hash_table_size = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
+						  HASHTBLSZ);
+	hw_feat->l3l4_filter_num = AXGMAC_GET_BITS(mac_hfr1, MAC_HWF1R,
+						  L3L4FNUM);
+
+	/* Hardware feature register 2 */
+	hw_feat->rx_q_cnt     = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, RXQCNT);
+	hw_feat->tx_q_cnt     = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, TXQCNT);
+	hw_feat->rx_ch_cnt    = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, RXCHCNT);
+	hw_feat->tx_ch_cnt    = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, TXCHCNT);
+	hw_feat->pps_out_num  = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R, PPSOUTNUM);
+	hw_feat->aux_snap_num = AXGMAC_GET_BITS(mac_hfr2, MAC_HWF2R,
+						AUXSNAPNUM);
+
+	/* Translate the Hash Table size into actual number */
+	switch (hw_feat->hash_table_size) {
+	case 0:
+		break;
+	case 1:
+		hw_feat->hash_table_size = 64;
+		break;
+	case 2:
+		hw_feat->hash_table_size = 128;
+		break;
+	case 3:
+		hw_feat->hash_table_size = 256;
+		break;
+	}
+
+	/* Translate the address width setting into actual number */
+	switch (hw_feat->dma_width) {
+	case 0:
+		hw_feat->dma_width = 32;
+		break;
+	case 1:
+		hw_feat->dma_width = 40;
+		break;
+	case 2:
+		hw_feat->dma_width = 48;
+		break;
+	default:
+		hw_feat->dma_width = 32;
+	}
+
+	/* The Queue, Channel and TC counts are zero based so increment them
+	 * to get the actual number
+	 */
+	hw_feat->rx_q_cnt++;
+	hw_feat->tx_q_cnt++;
+	hw_feat->rx_ch_cnt++;
+	hw_feat->tx_ch_cnt++;
+	hw_feat->tc_cnt++;
+
+	/* Translate the fifo sizes into actual numbers */
+	hw_feat->rx_fifo_size = 1 << (hw_feat->rx_fifo_size + 7);
+	hw_feat->tx_fifo_size = 1 << (hw_feat->tx_fifo_size + 7);
+}
+
+static void axgbe_init_all_fptrs(struct axgbe_port *pdata)
+{
+	axgbe_init_function_ptrs_dev(&pdata->hw_if);
+	axgbe_init_function_ptrs_phy(&pdata->phy_if);
+	axgbe_init_function_ptrs_i2c(&pdata->i2c_if);
+	pdata->vdata->init_function_ptrs_phy_impl(&pdata->phy_if);
+}
+
+static void axgbe_set_counts(struct axgbe_port *pdata)
+{
+	/* Set all the function pointers */
+	axgbe_init_all_fptrs(pdata);
+
+	/* Populate the hardware features */
+	axgbe_get_all_hw_features(pdata);
+
+	/* Set default max values if not provided */
+	if (!pdata->tx_max_channel_count)
+		pdata->tx_max_channel_count = pdata->hw_feat.tx_ch_cnt;
+	if (!pdata->rx_max_channel_count)
+		pdata->rx_max_channel_count = pdata->hw_feat.rx_ch_cnt;
+
+	if (!pdata->tx_max_q_count)
+		pdata->tx_max_q_count = pdata->hw_feat.tx_q_cnt;
+	if (!pdata->rx_max_q_count)
+		pdata->rx_max_q_count = pdata->hw_feat.rx_q_cnt;
+
+	/* Calculate the number of Tx and Rx rings to be created
+	 *  -Tx (DMA) Channels map 1-to-1 to Tx Queues so set
+	 *   the number of Tx queues to the number of Tx channels
+	 *   enabled
+	 *  -Rx (DMA) Channels do not map 1-to-1 so use the actual
+	 *   number of Rx queues or maximum allowed
+	 */
+	pdata->tx_ring_count = RTE_MIN(pdata->hw_feat.tx_ch_cnt,
+				     pdata->tx_max_channel_count);
+	pdata->tx_ring_count = RTE_MIN(pdata->tx_ring_count,
+				     pdata->tx_max_q_count);
+
+	pdata->tx_q_count = pdata->tx_ring_count;
+
+	pdata->rx_ring_count = RTE_MIN(pdata->hw_feat.rx_ch_cnt,
+				     pdata->rx_max_channel_count);
+
+	pdata->rx_q_count = RTE_MIN(pdata->hw_feat.rx_q_cnt,
+				  pdata->rx_max_q_count);
+}
+
+static void axgbe_default_config(struct axgbe_port *pdata)
+{
+	pdata->pblx8 = DMA_PBL_X8_ENABLE;
+	pdata->tx_sf_mode = MTL_TSF_ENABLE;
+	pdata->tx_threshold = MTL_TX_THRESHOLD_64;
+	pdata->tx_pbl = DMA_PBL_32;
+	pdata->tx_osp_mode = DMA_OSP_ENABLE;
+	pdata->rx_sf_mode = MTL_RSF_ENABLE;
+	pdata->rx_threshold = MTL_RX_THRESHOLD_64;
+	pdata->rx_pbl = DMA_PBL_32;
+	pdata->pause_autoneg = 1;
+	pdata->tx_pause = 0;
+	pdata->rx_pause = 0;
+	pdata->phy_speed = SPEED_UNKNOWN;
+	pdata->power_down = 0;
+}
+
+/*
+ * It returns 0 on success.
+ */
+static int
+eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)
+{
+	PMD_INIT_FUNC_TRACE();
+	struct axgbe_port *pdata;
+	struct rte_pci_device *pci_dev;
+	uint32_t reg, mac_lo, mac_hi;
+	int ret;
+
+	eth_dev->dev_ops = &axgbe_eth_dev_ops;
+	eth_dev->rx_pkt_burst = &axgbe_recv_pkts;
+
+	/*
+	 * For secondary processes, we don't initialise any further as primary
+	 * has already done this work.
+	 */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	pdata = (struct axgbe_port *)eth_dev->data->dev_private;
+	/* initial state */
+	axgbe_set_bit(AXGBE_DOWN, &pdata->dev_state);
+	axgbe_set_bit(AXGBE_STOPPED, &pdata->dev_state);
+	pdata->eth_dev = eth_dev;
+
+	pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
+	pdata->pci_dev = pci_dev;
+
+	pdata->xgmac_regs =
+		(void *)pci_dev->mem_resource[AXGBE_AXGMAC_BAR].addr;
+	pdata->xprop_regs = (void *)((uint8_t *)pdata->xgmac_regs
+				     + AXGBE_MAC_PROP_OFFSET);
+	pdata->xi2c_regs = (void *)((uint8_t *)pdata->xgmac_regs
+				    + AXGBE_I2C_CTRL_OFFSET);
+	pdata->xpcs_regs = (void *)pci_dev->mem_resource[AXGBE_XPCS_BAR].addr;
+
+	/* version specific driver data*/
+	if (pci_dev->id.device_id == AMD_PCI_AXGBE_DEVICE_V2A)
+		pdata->vdata = &axgbe_v2a;
+	else
+		pdata->vdata = &axgbe_v2b;
+
+	/* Configure the PCS indirect addressing support */
+	reg = XPCS32_IOREAD(pdata, PCS_V2_WINDOW_DEF);
+	pdata->xpcs_window = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, OFFSET);
+	pdata->xpcs_window <<= 6;
+	pdata->xpcs_window_size = XPCS_GET_BITS(reg, PCS_V2_WINDOW_DEF, SIZE);
+	pdata->xpcs_window_size = 1 << (pdata->xpcs_window_size + 7);
+	pdata->xpcs_window_mask = pdata->xpcs_window_size - 1;
+	pdata->xpcs_window_def_reg = PCS_V2_WINDOW_DEF;
+	pdata->xpcs_window_sel_reg = PCS_V2_WINDOW_SELECT;
+	PMD_INIT_LOG(DEBUG,
+		     "xpcs window :%x, size :%x, mask :%x ", pdata->xpcs_window,
+		     pdata->xpcs_window_size, pdata->xpcs_window_mask);
+	XP_IOWRITE(pdata, XP_INT_EN, 0x1fffff);
+
+	/* Retrieve the MAC address */
+	mac_lo = XP_IOREAD(pdata, XP_MAC_ADDR_LO);
+	mac_hi = XP_IOREAD(pdata, XP_MAC_ADDR_HI);
+	pdata->mac_addr.addr_bytes[0] = mac_lo & 0xff;
+	pdata->mac_addr.addr_bytes[1] = (mac_lo >> 8) & 0xff;
+	pdata->mac_addr.addr_bytes[2] = (mac_lo >> 16) & 0xff;
+	pdata->mac_addr.addr_bytes[3] = (mac_lo >> 24) & 0xff;
+	pdata->mac_addr.addr_bytes[4] = mac_hi & 0xff;
+	pdata->mac_addr.addr_bytes[5] = (mac_hi >> 8)  &  0xff;
+
+	eth_dev->data->mac_addrs = rte_zmalloc("axgbe_mac_addr",
+					       ETHER_ADDR_LEN, 0);
+	if (!eth_dev->data->mac_addrs) {
+		PMD_INIT_LOG(ERR,
+			     "Failed to alloc %u bytes needed to store MAC addr tbl",
+			     ETHER_ADDR_LEN);
+		return -ENOMEM;
+	}
+
+	if (!is_valid_assigned_ether_addr(&pdata->mac_addr))
+		eth_random_addr(pdata->mac_addr.addr_bytes);
+
+	/* Copy the permanent MAC address */
+	ether_addr_copy(&pdata->mac_addr, &eth_dev->data->mac_addrs[0]);
+
+	/* Clock settings */
+	pdata->sysclk_rate = AXGBE_V2_DMA_CLOCK_FREQ;
+	pdata->ptpclk_rate = AXGBE_V2_PTP_CLOCK_FREQ;
+
+	/* Set the DMA coherency values */
+	pdata->coherent = 1;
+	pdata->axdomain = AXGBE_DMA_OS_AXDOMAIN;
+	pdata->arcache = AXGBE_DMA_OS_ARCACHE;
+	pdata->awcache = AXGBE_DMA_OS_AWCACHE;
+
+	/* Set the maximum channels and queues */
+	reg = XP_IOREAD(pdata, XP_PROP_1);
+	pdata->tx_max_channel_count = XP_GET_BITS(reg, XP_PROP_1, MAX_TX_DMA);
+	pdata->rx_max_channel_count = XP_GET_BITS(reg, XP_PROP_1, MAX_RX_DMA);
+	pdata->tx_max_q_count = XP_GET_BITS(reg, XP_PROP_1, MAX_TX_QUEUES);
+	pdata->rx_max_q_count = XP_GET_BITS(reg, XP_PROP_1, MAX_RX_QUEUES);
+
+	/* Set the hardware channel and queue counts */
+	axgbe_set_counts(pdata);
+
+	/* Set the maximum fifo amounts */
+	reg = XP_IOREAD(pdata, XP_PROP_2);
+	pdata->tx_max_fifo_size = XP_GET_BITS(reg, XP_PROP_2, TX_FIFO_SIZE);
+	pdata->tx_max_fifo_size *= 16384;
+	pdata->tx_max_fifo_size = RTE_MIN(pdata->tx_max_fifo_size,
+					  pdata->vdata->tx_max_fifo_size);
+	pdata->rx_max_fifo_size = XP_GET_BITS(reg, XP_PROP_2, RX_FIFO_SIZE);
+	pdata->rx_max_fifo_size *= 16384;
+	pdata->rx_max_fifo_size = RTE_MIN(pdata->rx_max_fifo_size,
+					  pdata->vdata->rx_max_fifo_size);
+	/* Issue software reset to DMA */
+	ret = pdata->hw_if.exit(pdata);
+	if (ret)
+		PMD_DRV_LOG(ERR, "hw_if->exit EBUSY error\n");
+
+	/* Set default configuration data */
+	axgbe_default_config(pdata);
+
+	/* Set default max values if not provided */
+	if (!pdata->tx_max_fifo_size)
+		pdata->tx_max_fifo_size = pdata->hw_feat.tx_fifo_size;
+	if (!pdata->rx_max_fifo_size)
+		pdata->rx_max_fifo_size = pdata->hw_feat.rx_fifo_size;
+
+	pdata->tx_desc_count = AXGBE_MAX_RING_DESC;
+	pdata->rx_desc_count = AXGBE_MAX_RING_DESC;
+	pthread_mutex_init(&pdata->xpcs_mutex, NULL);
+	pthread_mutex_init(&pdata->i2c_mutex, NULL);
+	pthread_mutex_init(&pdata->an_mutex, NULL);
+	pthread_mutex_init(&pdata->phy_mutex, NULL);
+
+	ret = pdata->phy_if.phy_init(pdata);
+	if (ret) {
+		rte_free(eth_dev->data->mac_addrs);
+		return ret;
+	}
+
+	rte_intr_callback_register(&pci_dev->intr_handle,
+				   axgbe_dev_interrupt_handler,
+				   (void *)eth_dev);
+	PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
+		     eth_dev->data->port_id, pci_dev->id.vendor_id,
+		     pci_dev->id.device_id);
+
+	return 0;
+}
+
+static int
+eth_axgbe_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+	struct rte_pci_device *pci_dev;
+
+	PMD_INIT_FUNC_TRACE();
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	pci_dev = RTE_DEV_TO_PCI(eth_dev->device);
+	/*Free macaddres*/
+	rte_free(eth_dev->data->mac_addrs);
+	eth_dev->data->mac_addrs = NULL;
+	eth_dev->dev_ops = NULL;
+	eth_dev->rx_pkt_burst = NULL;
+	eth_dev->tx_pkt_burst = NULL;
+	axgbe_dev_clear_queues(eth_dev);
+
+	/* disable uio intr before callback unregister */
+	rte_intr_disable(&pci_dev->intr_handle);
+	rte_intr_callback_unregister(&pci_dev->intr_handle,
+				     axgbe_dev_interrupt_handler,
+				     (void *)eth_dev);
+
+	return 0;
+}
+
+static int eth_axgbe_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+	struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_probe(pci_dev,
+		sizeof(struct axgbe_port), eth_axgbe_dev_init);
+}
+
+static int eth_axgbe_pci_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_remove(pci_dev, eth_axgbe_dev_uninit);
+}
+
+static struct rte_pci_driver rte_axgbe_pmd = {
+	.id_table = pci_id_axgbe_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
+	.probe = eth_axgbe_pci_probe,
+	.remove = eth_axgbe_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_axgbe, rte_axgbe_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_axgbe, pci_id_axgbe_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_axgbe, "* igb_uio | uio_pci_generic | vfio-pci");
+
+RTE_INIT(axgbe_init_log)
+{
+	axgbe_logtype_init = rte_log_register("pmd.net.axgbe.init");
+	if (axgbe_logtype_init >= 0)
+		rte_log_set_level(axgbe_logtype_init, RTE_LOG_NOTICE);
+	axgbe_logtype_driver = rte_log_register("pmd.net.axgbe.driver");
+	if (axgbe_logtype_driver >= 0)
+		rte_log_set_level(axgbe_logtype_driver, RTE_LOG_NOTICE);
+}