Adding upstream version 14.2.21.upstream/14.2.21upstream

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

1 files changed, 2058 insertions, 0 deletions

diff --git a/src/seastar/dpdk/drivers/net/liquidio/lio_ethdev.c b/src/seastar/dpdk/drivers/net/liquidio/lio_ethdev.c
new file mode 100644
index 00000000..436d25b0
--- /dev/null
+++ b/src/seastar/dpdk/drivers/net/liquidio/lio_ethdev.c
@@ -0,0 +1,2058 @@
+/*
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Cavium, Inc. nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
+#include <rte_cycles.h>
+#include <rte_malloc.h>
+#include <rte_alarm.h>
+
+#include "lio_logs.h"
+#include "lio_23xx_vf.h"
+#include "lio_ethdev.h"
+#include "lio_rxtx.h"
+
+/* Default RSS key in use */
+static uint8_t lio_rss_key[40] = {
+	0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
+	0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
+	0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
+	0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
+	0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
+};
+
+static const struct rte_eth_desc_lim lio_rx_desc_lim = {
+	.nb_max		= CN23XX_MAX_OQ_DESCRIPTORS,
+	.nb_min		= CN23XX_MIN_OQ_DESCRIPTORS,
+	.nb_align	= 1,
+};
+
+static const struct rte_eth_desc_lim lio_tx_desc_lim = {
+	.nb_max		= CN23XX_MAX_IQ_DESCRIPTORS,
+	.nb_min		= CN23XX_MIN_IQ_DESCRIPTORS,
+	.nb_align	= 1,
+};
+
+/* Wait for control command to reach nic. */
+static uint16_t
+lio_wait_for_ctrl_cmd(struct lio_device *lio_dev,
+		      struct lio_dev_ctrl_cmd *ctrl_cmd)
+{
+	uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
+
+	while ((ctrl_cmd->cond == 0) && --timeout) {
+		lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+		rte_delay_ms(1);
+	}
+
+	return !timeout;
+}
+
+/**
+ * \brief Send Rx control command
+ * @param eth_dev Pointer to the structure rte_eth_dev
+ * @param start_stop whether to start or stop
+ */
+static int
+lio_send_rx_ctrl_cmd(struct rte_eth_dev *eth_dev, int start_stop)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_RX_CTL;
+	ctrl_pkt.ncmd.s.param1 = start_stop;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send RX Control message\n");
+		return -1;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "RX Control command timed out\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+/* store statistics names and its offset in stats structure */
+struct rte_lio_xstats_name_off {
+	char name[RTE_ETH_XSTATS_NAME_SIZE];
+	unsigned int offset;
+};
+
+static const struct rte_lio_xstats_name_off rte_lio_stats_strings[] = {
+	{"rx_pkts", offsetof(struct octeon_rx_stats, total_rcvd)},
+	{"rx_bytes", offsetof(struct octeon_rx_stats, bytes_rcvd)},
+	{"rx_broadcast_pkts", offsetof(struct octeon_rx_stats, total_bcst)},
+	{"rx_multicast_pkts", offsetof(struct octeon_rx_stats, total_mcst)},
+	{"rx_flow_ctrl_pkts", offsetof(struct octeon_rx_stats, ctl_rcvd)},
+	{"rx_fifo_err", offsetof(struct octeon_rx_stats, fifo_err)},
+	{"rx_dmac_drop", offsetof(struct octeon_rx_stats, dmac_drop)},
+	{"rx_fcs_err", offsetof(struct octeon_rx_stats, fcs_err)},
+	{"rx_jabber_err", offsetof(struct octeon_rx_stats, jabber_err)},
+	{"rx_l2_err", offsetof(struct octeon_rx_stats, l2_err)},
+	{"rx_vxlan_pkts", offsetof(struct octeon_rx_stats, fw_rx_vxlan)},
+	{"rx_vxlan_err", offsetof(struct octeon_rx_stats, fw_rx_vxlan_err)},
+	{"rx_lro_pkts", offsetof(struct octeon_rx_stats, fw_lro_pkts)},
+	{"tx_pkts", (offsetof(struct octeon_tx_stats, total_pkts_sent)) +
+						sizeof(struct octeon_rx_stats)},
+	{"tx_bytes", (offsetof(struct octeon_tx_stats, total_bytes_sent)) +
+						sizeof(struct octeon_rx_stats)},
+	{"tx_broadcast_pkts",
+		(offsetof(struct octeon_tx_stats, bcast_pkts_sent)) +
+			sizeof(struct octeon_rx_stats)},
+	{"tx_multicast_pkts",
+		(offsetof(struct octeon_tx_stats, mcast_pkts_sent)) +
+			sizeof(struct octeon_rx_stats)},
+	{"tx_flow_ctrl_pkts", (offsetof(struct octeon_tx_stats, ctl_sent)) +
+						sizeof(struct octeon_rx_stats)},
+	{"tx_fifo_err", (offsetof(struct octeon_tx_stats, fifo_err)) +
+						sizeof(struct octeon_rx_stats)},
+	{"tx_total_collisions", (offsetof(struct octeon_tx_stats,
+					  total_collisions)) +
+						sizeof(struct octeon_rx_stats)},
+	{"tx_tso", (offsetof(struct octeon_tx_stats, fw_tso)) +
+						sizeof(struct octeon_rx_stats)},
+	{"tx_vxlan_pkts", (offsetof(struct octeon_tx_stats, fw_tx_vxlan)) +
+						sizeof(struct octeon_rx_stats)},
+};
+
+#define LIO_NB_XSTATS	RTE_DIM(rte_lio_stats_strings)
+
+/* Get hw stats of the port */
+static int
+lio_dev_xstats_get(struct rte_eth_dev *eth_dev, struct rte_eth_xstat *xstats,
+		   unsigned int n)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
+	struct octeon_link_stats *hw_stats;
+	struct lio_link_stats_resp *resp;
+	struct lio_soft_command *sc;
+	uint32_t resp_size;
+	unsigned int i;
+	int retval;
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down\n",
+			    lio_dev->port_id);
+		return -EINVAL;
+	}
+
+	if (n < LIO_NB_XSTATS)
+		return LIO_NB_XSTATS;
+
+	resp_size = sizeof(struct lio_link_stats_resp);
+	sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
+	if (sc == NULL)
+		return -ENOMEM;
+
+	resp = (struct lio_link_stats_resp *)sc->virtrptr;
+	lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
+				 LIO_OPCODE_PORT_STATS, 0, 0, 0);
+
+	/* Setting wait time in seconds */
+	sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
+
+	retval = lio_send_soft_command(lio_dev, sc);
+	if (retval == LIO_IQ_SEND_FAILED) {
+		lio_dev_err(lio_dev, "failed to get port stats from firmware. status: %x\n",
+			    retval);
+		goto get_stats_fail;
+	}
+
+	while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
+		lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
+		lio_process_ordered_list(lio_dev);
+		rte_delay_ms(1);
+	}
+
+	retval = resp->status;
+	if (retval) {
+		lio_dev_err(lio_dev, "failed to get port stats from firmware\n");
+		goto get_stats_fail;
+	}
+
+	lio_swap_8B_data((uint64_t *)(&resp->link_stats),
+			 sizeof(struct octeon_link_stats) >> 3);
+
+	hw_stats = &resp->link_stats;
+
+	for (i = 0; i < LIO_NB_XSTATS; i++) {
+		xstats[i].id = i;
+		xstats[i].value =
+		    *(uint64_t *)(((char *)hw_stats) +
+					rte_lio_stats_strings[i].offset);
+	}
+
+	lio_free_soft_command(sc);
+
+	return LIO_NB_XSTATS;
+
+get_stats_fail:
+	lio_free_soft_command(sc);
+
+	return -1;
+}
+
+static int
+lio_dev_xstats_get_names(struct rte_eth_dev *eth_dev,
+			 struct rte_eth_xstat_name *xstats_names,
+			 unsigned limit __rte_unused)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	unsigned int i;
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down\n",
+			    lio_dev->port_id);
+		return -EINVAL;
+	}
+
+	if (xstats_names == NULL)
+		return LIO_NB_XSTATS;
+
+	/* Note: limit checked in rte_eth_xstats_names() */
+
+	for (i = 0; i < LIO_NB_XSTATS; i++) {
+		snprintf(xstats_names[i].name, sizeof(xstats_names[i].name),
+			 "%s", rte_lio_stats_strings[i].name);
+	}
+
+	return LIO_NB_XSTATS;
+}
+
+/* Reset hw stats for the port */
+static void
+lio_dev_xstats_reset(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down\n",
+			    lio_dev->port_id);
+		return;
+	}
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_CLEAR_STATS;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send clear stats command\n");
+		return;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "Clear stats command timed out\n");
+		return;
+	}
+
+	/* clear stored per queue stats */
+	RTE_FUNC_PTR_OR_RET(*eth_dev->dev_ops->stats_reset);
+	(*eth_dev->dev_ops->stats_reset)(eth_dev);
+}
+
+/* Retrieve the device statistics (# packets in/out, # bytes in/out, etc */
+static void
+lio_dev_stats_get(struct rte_eth_dev *eth_dev,
+		  struct rte_eth_stats *stats)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_droq_stats *oq_stats;
+	struct lio_iq_stats *iq_stats;
+	struct lio_instr_queue *txq;
+	struct lio_droq *droq;
+	int i, iq_no, oq_no;
+	uint64_t bytes = 0;
+	uint64_t pkts = 0;
+	uint64_t drop = 0;
+
+	for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
+		iq_no = lio_dev->linfo.txpciq[i].s.q_no;
+		txq = lio_dev->instr_queue[iq_no];
+		if (txq != NULL) {
+			iq_stats = &txq->stats;
+			pkts += iq_stats->tx_done;
+			drop += iq_stats->tx_dropped;
+			bytes += iq_stats->tx_tot_bytes;
+		}
+	}
+
+	stats->opackets = pkts;
+	stats->obytes = bytes;
+	stats->oerrors = drop;
+
+	pkts = 0;
+	drop = 0;
+	bytes = 0;
+
+	for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+		oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
+		droq = lio_dev->droq[oq_no];
+		if (droq != NULL) {
+			oq_stats = &droq->stats;
+			pkts += oq_stats->rx_pkts_received;
+			drop += (oq_stats->rx_dropped +
+					oq_stats->dropped_toomany +
+					oq_stats->dropped_nomem);
+			bytes += oq_stats->rx_bytes_received;
+		}
+	}
+	stats->ibytes = bytes;
+	stats->ipackets = pkts;
+	stats->ierrors = drop;
+}
+
+static void
+lio_dev_stats_reset(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_droq_stats *oq_stats;
+	struct lio_iq_stats *iq_stats;
+	struct lio_instr_queue *txq;
+	struct lio_droq *droq;
+	int i, iq_no, oq_no;
+
+	for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
+		iq_no = lio_dev->linfo.txpciq[i].s.q_no;
+		txq = lio_dev->instr_queue[iq_no];
+		if (txq != NULL) {
+			iq_stats = &txq->stats;
+			memset(iq_stats, 0, sizeof(struct lio_iq_stats));
+		}
+	}
+
+	for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+		oq_no = lio_dev->linfo.rxpciq[i].s.q_no;
+		droq = lio_dev->droq[oq_no];
+		if (droq != NULL) {
+			oq_stats = &droq->stats;
+			memset(oq_stats, 0, sizeof(struct lio_droq_stats));
+		}
+	}
+}
+
+static void
+lio_dev_info_get(struct rte_eth_dev *eth_dev,
+		 struct rte_eth_dev_info *devinfo)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	devinfo->max_rx_queues = lio_dev->max_rx_queues;
+	devinfo->max_tx_queues = lio_dev->max_tx_queues;
+
+	devinfo->min_rx_bufsize = LIO_MIN_RX_BUF_SIZE;
+	devinfo->max_rx_pktlen = LIO_MAX_RX_PKTLEN;
+
+	devinfo->max_mac_addrs = 1;
+
+	devinfo->rx_offload_capa = (DEV_RX_OFFLOAD_IPV4_CKSUM		|
+				    DEV_RX_OFFLOAD_UDP_CKSUM		|
+				    DEV_RX_OFFLOAD_TCP_CKSUM		|
+				    DEV_RX_OFFLOAD_VLAN_STRIP);
+	devinfo->tx_offload_capa = (DEV_TX_OFFLOAD_IPV4_CKSUM		|
+				    DEV_TX_OFFLOAD_UDP_CKSUM		|
+				    DEV_TX_OFFLOAD_TCP_CKSUM		|
+				    DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM);
+
+	devinfo->rx_desc_lim = lio_rx_desc_lim;
+	devinfo->tx_desc_lim = lio_tx_desc_lim;
+
+	devinfo->reta_size = LIO_RSS_MAX_TABLE_SZ;
+	devinfo->hash_key_size = LIO_RSS_MAX_KEY_SZ;
+	devinfo->flow_type_rss_offloads = (ETH_RSS_IPV4			|
+					   ETH_RSS_NONFRAG_IPV4_TCP	|
+					   ETH_RSS_IPV6			|
+					   ETH_RSS_NONFRAG_IPV6_TCP	|
+					   ETH_RSS_IPV6_EX		|
+					   ETH_RSS_IPV6_TCP_EX);
+}
+
+static int
+lio_dev_validate_vf_mtu(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	PMD_INIT_FUNC_TRACE();
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't check MTU\n",
+			    lio_dev->port_id);
+		return -EINVAL;
+	}
+
+	/* Limit the MTU to make sure the ethernet packets are between
+	 * ETHER_MIN_MTU bytes and PF's MTU
+	 */
+	if ((new_mtu < ETHER_MIN_MTU) ||
+			(new_mtu > lio_dev->linfo.link.s.mtu)) {
+		lio_dev_err(lio_dev, "Invalid MTU: %d\n", new_mtu);
+		lio_dev_err(lio_dev, "Valid range %d and %d\n",
+			    ETHER_MIN_MTU, lio_dev->linfo.link.s.mtu);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int
+lio_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
+			struct rte_eth_rss_reta_entry64 *reta_conf,
+			uint16_t reta_size)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+	struct lio_rss_set *rss_param;
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+	int i, j, index;
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't update reta\n",
+			    lio_dev->port_id);
+		return -EINVAL;
+	}
+
+	if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
+		lio_dev_err(lio_dev,
+			    "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
+			    reta_size, LIO_RSS_MAX_TABLE_SZ);
+		return -EINVAL;
+	}
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
+	ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	rss_param->param.flags = 0xF;
+	rss_param->param.flags &= ~LIO_RSS_PARAM_ITABLE_UNCHANGED;
+	rss_param->param.itablesize = LIO_RSS_MAX_TABLE_SZ;
+
+	for (i = 0; i < (reta_size / RTE_RETA_GROUP_SIZE); i++) {
+		for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
+			if ((reta_conf[i].mask) & ((uint64_t)1 << j)) {
+				index = (i * RTE_RETA_GROUP_SIZE) + j;
+				rss_state->itable[index] = reta_conf[i].reta[j];
+			}
+		}
+	}
+
+	rss_state->itable_size = LIO_RSS_MAX_TABLE_SZ;
+	memcpy(rss_param->itable, rss_state->itable, rss_state->itable_size);
+
+	lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to set rss hash\n");
+		return -1;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "Set rss hash timed out\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+lio_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
+		       struct rte_eth_rss_reta_entry64 *reta_conf,
+		       uint16_t reta_size)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+	int i, num;
+
+	if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
+		lio_dev_err(lio_dev,
+			    "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
+			    reta_size, LIO_RSS_MAX_TABLE_SZ);
+		return -EINVAL;
+	}
+
+	num = reta_size / RTE_RETA_GROUP_SIZE;
+
+	for (i = 0; i < num; i++) {
+		memcpy(reta_conf->reta,
+		       &rss_state->itable[i * RTE_RETA_GROUP_SIZE],
+		       RTE_RETA_GROUP_SIZE);
+		reta_conf++;
+	}
+
+	return 0;
+}
+
+static int
+lio_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
+			  struct rte_eth_rss_conf *rss_conf)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+	uint8_t *hash_key = NULL;
+	uint64_t rss_hf = 0;
+
+	if (rss_state->hash_disable) {
+		lio_dev_info(lio_dev, "RSS disabled in nic\n");
+		rss_conf->rss_hf = 0;
+		return 0;
+	}
+
+	/* Get key value */
+	hash_key = rss_conf->rss_key;
+	if (hash_key != NULL)
+		memcpy(hash_key, rss_state->hash_key, rss_state->hash_key_size);
+
+	if (rss_state->ip)
+		rss_hf |= ETH_RSS_IPV4;
+	if (rss_state->tcp_hash)
+		rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
+	if (rss_state->ipv6)
+		rss_hf |= ETH_RSS_IPV6;
+	if (rss_state->ipv6_tcp_hash)
+		rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
+	if (rss_state->ipv6_ex)
+		rss_hf |= ETH_RSS_IPV6_EX;
+	if (rss_state->ipv6_tcp_ex_hash)
+		rss_hf |= ETH_RSS_IPV6_TCP_EX;
+
+	rss_conf->rss_hf = rss_hf;
+
+	return 0;
+}
+
+static int
+lio_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
+			struct rte_eth_rss_conf *rss_conf)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+	struct lio_rss_set *rss_param;
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't update hash\n",
+			    lio_dev->port_id);
+		return -EINVAL;
+	}
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
+	ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	rss_param->param.flags = 0xF;
+
+	if (rss_conf->rss_key) {
+		rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_KEY_UNCHANGED;
+		rss_state->hash_key_size = LIO_RSS_MAX_KEY_SZ;
+		rss_param->param.hashkeysize = LIO_RSS_MAX_KEY_SZ;
+		memcpy(rss_state->hash_key, rss_conf->rss_key,
+		       rss_state->hash_key_size);
+		memcpy(rss_param->key, rss_state->hash_key,
+		       rss_state->hash_key_size);
+	}
+
+	if ((rss_conf->rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
+		/* Can't disable rss through hash flags,
+		 * if it is enabled by default during init
+		 */
+		if (!rss_state->hash_disable)
+			return -EINVAL;
+
+		/* This is for --disable-rss during testpmd launch */
+		rss_param->param.flags |= LIO_RSS_PARAM_DISABLE_RSS;
+	} else {
+		uint32_t hashinfo = 0;
+
+		/* Can't enable rss if disabled by default during init */
+		if (rss_state->hash_disable)
+			return -EINVAL;
+
+		if (rss_conf->rss_hf & ETH_RSS_IPV4) {
+			hashinfo |= LIO_RSS_HASH_IPV4;
+			rss_state->ip = 1;
+		} else {
+			rss_state->ip = 0;
+		}
+
+		if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
+			hashinfo |= LIO_RSS_HASH_TCP_IPV4;
+			rss_state->tcp_hash = 1;
+		} else {
+			rss_state->tcp_hash = 0;
+		}
+
+		if (rss_conf->rss_hf & ETH_RSS_IPV6) {
+			hashinfo |= LIO_RSS_HASH_IPV6;
+			rss_state->ipv6 = 1;
+		} else {
+			rss_state->ipv6 = 0;
+		}
+
+		if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
+			hashinfo |= LIO_RSS_HASH_TCP_IPV6;
+			rss_state->ipv6_tcp_hash = 1;
+		} else {
+			rss_state->ipv6_tcp_hash = 0;
+		}
+
+		if (rss_conf->rss_hf & ETH_RSS_IPV6_EX) {
+			hashinfo |= LIO_RSS_HASH_IPV6_EX;
+			rss_state->ipv6_ex = 1;
+		} else {
+			rss_state->ipv6_ex = 0;
+		}
+
+		if (rss_conf->rss_hf & ETH_RSS_IPV6_TCP_EX) {
+			hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX;
+			rss_state->ipv6_tcp_ex_hash = 1;
+		} else {
+			rss_state->ipv6_tcp_ex_hash = 0;
+		}
+
+		rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_INFO_UNCHANGED;
+		rss_param->param.hashinfo = hashinfo;
+	}
+
+	lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to set rss hash\n");
+		return -1;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "Set rss hash timed out\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * Add vxlan dest udp port for an interface.
+ *
+ * @param eth_dev
+ *  Pointer to the structure rte_eth_dev
+ * @param udp_tnl
+ *  udp tunnel conf
+ *
+ * @return
+ *  On success return 0
+ *  On failure return -1
+ */
+static int
+lio_dev_udp_tunnel_add(struct rte_eth_dev *eth_dev,
+		       struct rte_eth_udp_tunnel *udp_tnl)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	if (udp_tnl == NULL)
+		return -EINVAL;
+
+	if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
+		lio_dev_err(lio_dev, "Unsupported tunnel type\n");
+		return -1;
+	}
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
+	ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
+	ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_ADD;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_ADD command\n");
+		return -1;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "VXLAN_PORT_ADD command timed out\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * Remove vxlan dest udp port for an interface.
+ *
+ * @param eth_dev
+ *  Pointer to the structure rte_eth_dev
+ * @param udp_tnl
+ *  udp tunnel conf
+ *
+ * @return
+ *  On success return 0
+ *  On failure return -1
+ */
+static int
+lio_dev_udp_tunnel_del(struct rte_eth_dev *eth_dev,
+		       struct rte_eth_udp_tunnel *udp_tnl)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	if (udp_tnl == NULL)
+		return -EINVAL;
+
+	if (udp_tnl->prot_type != RTE_TUNNEL_TYPE_VXLAN) {
+		lio_dev_err(lio_dev, "Unsupported tunnel type\n");
+		return -1;
+	}
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_VXLAN_PORT_CONFIG;
+	ctrl_pkt.ncmd.s.param1 = udp_tnl->udp_port;
+	ctrl_pkt.ncmd.s.more = LIO_CMD_VXLAN_PORT_DEL;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send VXLAN_PORT_DEL command\n");
+		return -1;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "VXLAN_PORT_DEL command timed out\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+static int
+lio_dev_vlan_filter_set(struct rte_eth_dev *eth_dev, uint16_t vlan_id, int on)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	if (lio_dev->linfo.vlan_is_admin_assigned)
+		return -EPERM;
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = on ?
+			LIO_CMD_ADD_VLAN_FILTER : LIO_CMD_DEL_VLAN_FILTER;
+	ctrl_pkt.ncmd.s.param1 = vlan_id;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to %s VLAN port\n",
+			    on ? "add" : "remove");
+		return -1;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+		lio_dev_err(lio_dev, "Command to %s VLAN port timed out\n",
+			    on ? "add" : "remove");
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * Atomically writes the link status information into global
+ * structure rte_eth_dev.
+ *
+ * @param eth_dev
+ *   - Pointer to the structure rte_eth_dev to read from.
+ *   - Pointer to the buffer to be saved with the link status.
+ *
+ * @return
+ *   - On success, zero.
+ *   - On failure, negative value.
+ */
+static inline int
+lio_dev_atomic_write_link_status(struct rte_eth_dev *eth_dev,
+				 struct rte_eth_link *link)
+{
+	struct rte_eth_link *dst = &eth_dev->data->dev_link;
+	struct rte_eth_link *src = link;
+
+	if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
+				*(uint64_t *)src) == 0)
+		return -1;
+
+	return 0;
+}
+
+static uint64_t
+lio_hweight64(uint64_t w)
+{
+	uint64_t res = w - ((w >> 1) & 0x5555555555555555ul);
+
+	res =
+	    (res & 0x3333333333333333ul) + ((res >> 2) & 0x3333333333333333ul);
+	res = (res + (res >> 4)) & 0x0F0F0F0F0F0F0F0Ful;
+	res = res + (res >> 8);
+	res = res + (res >> 16);
+
+	return (res + (res >> 32)) & 0x00000000000000FFul;
+}
+
+static int
+lio_dev_link_update(struct rte_eth_dev *eth_dev,
+		    int wait_to_complete __rte_unused)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct rte_eth_link link, old;
+
+	/* Initialize */
+	link.link_status = ETH_LINK_DOWN;
+	link.link_speed = ETH_SPEED_NUM_NONE;
+	link.link_duplex = ETH_LINK_HALF_DUPLEX;
+	memset(&old, 0, sizeof(old));
+
+	/* Return what we found */
+	if (lio_dev->linfo.link.s.link_up == 0) {
+		/* Interface is down */
+		if (lio_dev_atomic_write_link_status(eth_dev, &link))
+			return -1;
+		if (link.link_status == old.link_status)
+			return -1;
+		return 0;
+	}
+
+	link.link_status = ETH_LINK_UP; /* Interface is up */
+	link.link_duplex = ETH_LINK_FULL_DUPLEX;
+	switch (lio_dev->linfo.link.s.speed) {
+	case LIO_LINK_SPEED_10000:
+		link.link_speed = ETH_SPEED_NUM_10G;
+		break;
+	case LIO_LINK_SPEED_25000:
+		link.link_speed = ETH_SPEED_NUM_25G;
+		break;
+	default:
+		link.link_speed = ETH_SPEED_NUM_NONE;
+		link.link_duplex = ETH_LINK_HALF_DUPLEX;
+	}
+
+	if (lio_dev_atomic_write_link_status(eth_dev, &link))
+		return -1;
+
+	if (link.link_status == old.link_status)
+		return -1;
+
+	return 0;
+}
+
+/**
+ * \brief Net device enable, disable allmulticast
+ * @param eth_dev Pointer to the structure rte_eth_dev
+ */
+static void
+lio_change_dev_flag(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	/* Create a ctrl pkt command to be sent to core app. */
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_CHANGE_DEVFLAGS;
+	ctrl_pkt.ncmd.s.param1 = lio_dev->ifflags;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send change flag message\n");
+		return;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
+		lio_dev_err(lio_dev, "Change dev flag command timed out\n");
+}
+
+static void
+lio_dev_allmulticast_enable(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't enable multicast\n",
+			    lio_dev->port_id);
+		return;
+	}
+
+	lio_dev->ifflags |= LIO_IFFLAG_ALLMULTI;
+	lio_change_dev_flag(eth_dev);
+}
+
+static void
+lio_dev_allmulticast_disable(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	if (!lio_dev->intf_open) {
+		lio_dev_err(lio_dev, "Port %d down, can't disable multicast\n",
+			    lio_dev->port_id);
+		return;
+	}
+
+	lio_dev->ifflags &= ~LIO_IFFLAG_ALLMULTI;
+	lio_change_dev_flag(eth_dev);
+}
+
+static void
+lio_dev_rss_configure(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+	struct rte_eth_rss_reta_entry64 reta_conf[8];
+	struct rte_eth_rss_conf rss_conf;
+	uint16_t i;
+
+	/* Configure the RSS key and the RSS protocols used to compute
+	 * the RSS hash of input packets.
+	 */
+	rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
+	if ((rss_conf.rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
+		rss_state->hash_disable = 1;
+		lio_dev_rss_hash_update(eth_dev, &rss_conf);
+		return;
+	}
+
+	if (rss_conf.rss_key == NULL)
+		rss_conf.rss_key = lio_rss_key; /* Default hash key */
+
+	lio_dev_rss_hash_update(eth_dev, &rss_conf);
+
+	memset(reta_conf, 0, sizeof(reta_conf));
+	for (i = 0; i < LIO_RSS_MAX_TABLE_SZ; i++) {
+		uint8_t q_idx, conf_idx, reta_idx;
+
+		q_idx = (uint8_t)((eth_dev->data->nb_rx_queues > 1) ?
+				  i % eth_dev->data->nb_rx_queues : 0);
+		conf_idx = i / RTE_RETA_GROUP_SIZE;
+		reta_idx = i % RTE_RETA_GROUP_SIZE;
+		reta_conf[conf_idx].reta[reta_idx] = q_idx;
+		reta_conf[conf_idx].mask |= ((uint64_t)1 << reta_idx);
+	}
+
+	lio_dev_rss_reta_update(eth_dev, reta_conf, LIO_RSS_MAX_TABLE_SZ);
+}
+
+static void
+lio_dev_mq_rx_configure(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+	struct rte_eth_rss_conf rss_conf;
+
+	switch (eth_dev->data->dev_conf.rxmode.mq_mode) {
+	case ETH_MQ_RX_RSS:
+		lio_dev_rss_configure(eth_dev);
+		break;
+	case ETH_MQ_RX_NONE:
+	/* if mq_mode is none, disable rss mode. */
+	default:
+		memset(&rss_conf, 0, sizeof(rss_conf));
+		rss_state->hash_disable = 1;
+		lio_dev_rss_hash_update(eth_dev, &rss_conf);
+	}
+}
+
+/**
+ * Setup our receive queue/ringbuffer. This is the
+ * queue the Octeon uses to send us packets and
+ * responses. We are given a memory pool for our
+ * packet buffers that are used to populate the receive
+ * queue.
+ *
+ * @param eth_dev
+ *    Pointer to the structure rte_eth_dev
+ * @param q_no
+ *    Queue number
+ * @param num_rx_descs
+ *    Number of entries in the queue
+ * @param socket_id
+ *    Where to allocate memory
+ * @param rx_conf
+ *    Pointer to the struction rte_eth_rxconf
+ * @param mp
+ *    Pointer to the packet pool
+ *
+ * @return
+ *    - On success, return 0
+ *    - On failure, return -1
+ */
+static int
+lio_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
+		       uint16_t num_rx_descs, unsigned int socket_id,
+		       const struct rte_eth_rxconf *rx_conf __rte_unused,
+		       struct rte_mempool *mp)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct rte_pktmbuf_pool_private *mbp_priv;
+	uint32_t fw_mapped_oq;
+	uint16_t buf_size;
+
+	if (q_no >= lio_dev->nb_rx_queues) {
+		lio_dev_err(lio_dev, "Invalid rx queue number %u\n", q_no);
+		return -EINVAL;
+	}
+
+	lio_dev_dbg(lio_dev, "setting up rx queue %u\n", q_no);
+
+	fw_mapped_oq = lio_dev->linfo.rxpciq[q_no].s.q_no;
+
+	if ((lio_dev->droq[fw_mapped_oq]) &&
+	    (num_rx_descs != lio_dev->droq[fw_mapped_oq]->max_count)) {
+		lio_dev_err(lio_dev,
+			    "Reconfiguring Rx descs not supported. Configure descs to same value %u or restart application\n",
+			    lio_dev->droq[fw_mapped_oq]->max_count);
+		return -ENOTSUP;
+	}
+
+	mbp_priv = rte_mempool_get_priv(mp);
+	buf_size = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
+
+	if (lio_setup_droq(lio_dev, fw_mapped_oq, num_rx_descs, buf_size, mp,
+			   socket_id)) {
+		lio_dev_err(lio_dev, "droq allocation failed\n");
+		return -1;
+	}
+
+	eth_dev->data->rx_queues[q_no] = lio_dev->droq[fw_mapped_oq];
+
+	return 0;
+}
+
+/**
+ * Release the receive queue/ringbuffer. Called by
+ * the upper layers.
+ *
+ * @param rxq
+ *    Opaque pointer to the receive queue to release
+ *
+ * @return
+ *    - nothing
+ */
+void
+lio_dev_rx_queue_release(void *rxq)
+{
+	struct lio_droq *droq = rxq;
+	int oq_no;
+
+	if (droq) {
+		/* Run time queue deletion not supported */
+		if (droq->lio_dev->port_configured)
+			return;
+
+		oq_no = droq->q_no;
+		lio_delete_droq_queue(droq->lio_dev, oq_no);
+	}
+}
+
+/**
+ * Allocate and initialize SW ring. Initialize associated HW registers.
+ *
+ * @param eth_dev
+ *   Pointer to structure rte_eth_dev
+ *
+ * @param q_no
+ *   Queue number
+ *
+ * @param num_tx_descs
+ *   Number of ringbuffer descriptors
+ *
+ * @param socket_id
+ *   NUMA socket id, used for memory allocations
+ *
+ * @param tx_conf
+ *   Pointer to the structure rte_eth_txconf
+ *
+ * @return
+ *   - On success, return 0
+ *   - On failure, return -errno value
+ */
+static int
+lio_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t q_no,
+		       uint16_t num_tx_descs, unsigned int socket_id,
+		       const struct rte_eth_txconf *tx_conf __rte_unused)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	int fw_mapped_iq = lio_dev->linfo.txpciq[q_no].s.q_no;
+	int retval;
+
+	if (q_no >= lio_dev->nb_tx_queues) {
+		lio_dev_err(lio_dev, "Invalid tx queue number %u\n", q_no);
+		return -EINVAL;
+	}
+
+	lio_dev_dbg(lio_dev, "setting up tx queue %u\n", q_no);
+
+	if ((lio_dev->instr_queue[fw_mapped_iq] != NULL) &&
+	    (num_tx_descs != lio_dev->instr_queue[fw_mapped_iq]->max_count)) {
+		lio_dev_err(lio_dev,
+			    "Reconfiguring Tx descs not supported. Configure descs to same value %u or restart application\n",
+			    lio_dev->instr_queue[fw_mapped_iq]->max_count);
+		return -ENOTSUP;
+	}
+
+	retval = lio_setup_iq(lio_dev, q_no, lio_dev->linfo.txpciq[q_no],
+			      num_tx_descs, lio_dev, socket_id);
+
+	if (retval) {
+		lio_dev_err(lio_dev, "Runtime IQ(TxQ) creation failed.\n");
+		return retval;
+	}
+
+	retval = lio_setup_sglists(lio_dev, q_no, fw_mapped_iq,
+				lio_dev->instr_queue[fw_mapped_iq]->max_count,
+				socket_id);
+
+	if (retval) {
+		lio_delete_instruction_queue(lio_dev, fw_mapped_iq);
+		return retval;
+	}
+
+	eth_dev->data->tx_queues[q_no] = lio_dev->instr_queue[fw_mapped_iq];
+
+	return 0;
+}
+
+/**
+ * Release the transmit queue/ringbuffer. Called by
+ * the upper layers.
+ *
+ * @param txq
+ *    Opaque pointer to the transmit queue to release
+ *
+ * @return
+ *    - nothing
+ */
+void
+lio_dev_tx_queue_release(void *txq)
+{
+	struct lio_instr_queue *tq = txq;
+	uint32_t fw_mapped_iq_no;
+
+
+	if (tq) {
+		/* Run time queue deletion not supported */
+		if (tq->lio_dev->port_configured)
+			return;
+
+		/* Free sg_list */
+		lio_delete_sglist(tq);
+
+		fw_mapped_iq_no = tq->txpciq.s.q_no;
+		lio_delete_instruction_queue(tq->lio_dev, fw_mapped_iq_no);
+	}
+}
+
+/**
+ * Api to check link state.
+ */
+static void
+lio_dev_get_link_status(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
+	struct lio_link_status_resp *resp;
+	union octeon_link_status *ls;
+	struct lio_soft_command *sc;
+	uint32_t resp_size;
+
+	if (!lio_dev->intf_open)
+		return;
+
+	resp_size = sizeof(struct lio_link_status_resp);
+	sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
+	if (sc == NULL)
+		return;
+
+	resp = (struct lio_link_status_resp *)sc->virtrptr;
+	lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
+				 LIO_OPCODE_INFO, 0, 0, 0);
+
+	/* Setting wait time in seconds */
+	sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
+
+	if (lio_send_soft_command(lio_dev, sc) == LIO_IQ_SEND_FAILED)
+		goto get_status_fail;
+
+	while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
+		lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
+		rte_delay_ms(1);
+	}
+
+	if (resp->status)
+		goto get_status_fail;
+
+	ls = &resp->link_info.link;
+
+	lio_swap_8B_data((uint64_t *)ls, sizeof(union octeon_link_status) >> 3);
+
+	if (lio_dev->linfo.link.link_status64 != ls->link_status64) {
+		lio_dev->linfo.link.link_status64 = ls->link_status64;
+		lio_dev_link_update(eth_dev, 0);
+	}
+
+	lio_free_soft_command(sc);
+
+	return;
+
+get_status_fail:
+	lio_free_soft_command(sc);
+}
+
+/* This function will be invoked every LSC_TIMEOUT ns (100ms)
+ * and will update link state if it changes.
+ */
+static void
+lio_sync_link_state_check(void *eth_dev)
+{
+	struct lio_device *lio_dev =
+		(((struct rte_eth_dev *)eth_dev)->data->dev_private);
+
+	if (lio_dev->port_configured)
+		lio_dev_get_link_status(eth_dev);
+
+	/* Schedule periodic link status check.
+	 * Stop check if interface is close and start again while opening.
+	 */
+	if (lio_dev->intf_open)
+		rte_eal_alarm_set(LIO_LSC_TIMEOUT, lio_sync_link_state_check,
+				  eth_dev);
+}
+
+static int
+lio_dev_start(struct rte_eth_dev *eth_dev)
+{
+	uint16_t mtu = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len;
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
+	int ret = 0;
+
+	lio_dev_info(lio_dev, "Starting port %d\n", eth_dev->data->port_id);
+
+	if (lio_dev->fn_list.enable_io_queues(lio_dev))
+		return -1;
+
+	if (lio_send_rx_ctrl_cmd(eth_dev, 1))
+		return -1;
+
+	/* Ready for link status updates */
+	lio_dev->intf_open = 1;
+	rte_mb();
+
+	/* Configure RSS if device configured with multiple RX queues. */
+	lio_dev_mq_rx_configure(eth_dev);
+
+	/* start polling for lsc */
+	ret = rte_eal_alarm_set(LIO_LSC_TIMEOUT,
+				lio_sync_link_state_check,
+				eth_dev);
+	if (ret) {
+		lio_dev_err(lio_dev,
+			    "link state check handler creation failed\n");
+		goto dev_lsc_handle_error;
+	}
+
+	while ((lio_dev->linfo.link.link_status64 == 0) && (--timeout))
+		rte_delay_ms(1);
+
+	if (lio_dev->linfo.link.link_status64 == 0) {
+		ret = -1;
+		goto dev_mtu_check_error;
+	}
+
+	if (lio_dev->linfo.link.s.mtu != mtu) {
+		ret = lio_dev_validate_vf_mtu(eth_dev, mtu);
+		if (ret)
+			goto dev_mtu_check_error;
+	}
+
+	return 0;
+
+dev_mtu_check_error:
+	rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
+
+dev_lsc_handle_error:
+	lio_dev->intf_open = 0;
+	lio_send_rx_ctrl_cmd(eth_dev, 0);
+
+	return ret;
+}
+
+/* Stop device and disable input/output functions */
+static void
+lio_dev_stop(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	lio_dev_info(lio_dev, "Stopping port %d\n", eth_dev->data->port_id);
+	lio_dev->intf_open = 0;
+	rte_mb();
+
+	/* Cancel callback if still running. */
+	rte_eal_alarm_cancel(lio_sync_link_state_check, eth_dev);
+
+	lio_send_rx_ctrl_cmd(eth_dev, 0);
+
+	/* Clear recorded link status */
+	lio_dev->linfo.link.link_status64 = 0;
+}
+
+static int
+lio_dev_set_link_up(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	if (!lio_dev->intf_open) {
+		lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
+		return 0;
+	}
+
+	if (lio_dev->linfo.link.s.link_up) {
+		lio_dev_info(lio_dev, "Link is already UP\n");
+		return 0;
+	}
+
+	if (lio_send_rx_ctrl_cmd(eth_dev, 1)) {
+		lio_dev_err(lio_dev, "Unable to set Link UP\n");
+		return -1;
+	}
+
+	lio_dev->linfo.link.s.link_up = 1;
+	eth_dev->data->dev_link.link_status = ETH_LINK_UP;
+
+	return 0;
+}
+
+static int
+lio_dev_set_link_down(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	if (!lio_dev->intf_open) {
+		lio_dev_info(lio_dev, "Port is stopped, Start the port first\n");
+		return 0;
+	}
+
+	if (!lio_dev->linfo.link.s.link_up) {
+		lio_dev_info(lio_dev, "Link is already DOWN\n");
+		return 0;
+	}
+
+	lio_dev->linfo.link.s.link_up = 0;
+	eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
+
+	if (lio_send_rx_ctrl_cmd(eth_dev, 0)) {
+		lio_dev->linfo.link.s.link_up = 1;
+		eth_dev->data->dev_link.link_status = ETH_LINK_UP;
+		lio_dev_err(lio_dev, "Unable to set Link Down\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+/**
+ * Reset and stop the device. This occurs on the first
+ * call to this routine. Subsequent calls will simply
+ * return. NB: This will require the NIC to be rebooted.
+ *
+ * @param eth_dev
+ *    Pointer to the structure rte_eth_dev
+ *
+ * @return
+ *    - nothing
+ */
+static void
+lio_dev_close(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	uint32_t i;
+
+	lio_dev_info(lio_dev, "closing port %d\n", eth_dev->data->port_id);
+
+	if (lio_dev->intf_open)
+		lio_dev_stop(eth_dev);
+
+	lio_wait_for_instr_fetch(lio_dev);
+
+	lio_dev->fn_list.disable_io_queues(lio_dev);
+
+	cn23xx_vf_set_io_queues_off(lio_dev);
+
+	/* Reset iq regs (IQ_DBELL).
+	 * Clear sli_pktx_cnts (OQ_PKTS_SENT).
+	 */
+	for (i = 0; i < lio_dev->nb_rx_queues; i++) {
+		struct lio_droq *droq = lio_dev->droq[i];
+
+		if (droq == NULL)
+			break;
+
+		uint32_t pkt_count = rte_read32(droq->pkts_sent_reg);
+
+		lio_dev_dbg(lio_dev,
+			    "pending oq count %u\n", pkt_count);
+		rte_write32(pkt_count, droq->pkts_sent_reg);
+	}
+
+	/* Do FLR for the VF */
+	cn23xx_vf_ask_pf_to_do_flr(lio_dev);
+
+	/* lio_free_mbox */
+	lio_dev->fn_list.free_mbox(lio_dev);
+
+	/* Free glist resources */
+	rte_free(lio_dev->glist_head);
+	rte_free(lio_dev->glist_lock);
+	lio_dev->glist_head = NULL;
+	lio_dev->glist_lock = NULL;
+
+	lio_dev->port_configured = 0;
+
+	 /* Delete all queues */
+	lio_dev_clear_queues(eth_dev);
+}
+
+/**
+ * Enable tunnel rx checksum verification from firmware.
+ */
+static void
+lio_enable_hw_tunnel_rx_checksum(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_RX_CSUM_CTL;
+	ctrl_pkt.ncmd.s.param1 = LIO_CMD_RXCSUM_ENABLE;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send TNL_RX_CSUM command\n");
+		return;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
+		lio_dev_err(lio_dev, "TNL_RX_CSUM command timed out\n");
+}
+
+/**
+ * Enable checksum calculation for inner packet in a tunnel.
+ */
+static void
+lio_enable_hw_tunnel_tx_checksum(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	struct lio_dev_ctrl_cmd ctrl_cmd;
+	struct lio_ctrl_pkt ctrl_pkt;
+
+	/* flush added to prevent cmd failure
+	 * incase the queue is full
+	 */
+	lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+	memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+	memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+	ctrl_cmd.eth_dev = eth_dev;
+	ctrl_cmd.cond = 0;
+
+	ctrl_pkt.ncmd.s.cmd = LIO_CMD_TNL_TX_CSUM_CTL;
+	ctrl_pkt.ncmd.s.param1 = LIO_CMD_TXCSUM_ENABLE;
+	ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+	if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+		lio_dev_err(lio_dev, "Failed to send TNL_TX_CSUM command\n");
+		return;
+	}
+
+	if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd))
+		lio_dev_err(lio_dev, "TNL_TX_CSUM command timed out\n");
+}
+
+static int lio_dev_configure(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+	uint16_t timeout = LIO_MAX_CMD_TIMEOUT;
+	int retval, num_iqueues, num_oqueues;
+	uint8_t mac[ETHER_ADDR_LEN], i;
+	struct lio_if_cfg_resp *resp;
+	struct lio_soft_command *sc;
+	union lio_if_cfg if_cfg;
+	uint32_t resp_size;
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* Re-configuring firmware not supported.
+	 * Can't change tx/rx queues per port from initial value.
+	 */
+	if (lio_dev->port_configured) {
+		if ((lio_dev->nb_rx_queues != eth_dev->data->nb_rx_queues) ||
+		    (lio_dev->nb_tx_queues != eth_dev->data->nb_tx_queues)) {
+			lio_dev_err(lio_dev,
+				    "rxq/txq re-conf not supported. Restart application with new value.\n");
+			return -ENOTSUP;
+		}
+		return 0;
+	}
+
+	lio_dev->nb_rx_queues = eth_dev->data->nb_rx_queues;
+	lio_dev->nb_tx_queues = eth_dev->data->nb_tx_queues;
+
+	resp_size = sizeof(struct lio_if_cfg_resp);
+	sc = lio_alloc_soft_command(lio_dev, 0, resp_size, 0);
+	if (sc == NULL)
+		return -ENOMEM;
+
+	resp = (struct lio_if_cfg_resp *)sc->virtrptr;
+
+	/* Firmware doesn't have capability to reconfigure the queues,
+	 * Claim all queues, and use as many required
+	 */
+	if_cfg.if_cfg64 = 0;
+	if_cfg.s.num_iqueues = lio_dev->nb_tx_queues;
+	if_cfg.s.num_oqueues = lio_dev->nb_rx_queues;
+	if_cfg.s.base_queue = 0;
+
+	if_cfg.s.gmx_port_id = lio_dev->pf_num;
+
+	lio_prepare_soft_command(lio_dev, sc, LIO_OPCODE,
+				 LIO_OPCODE_IF_CFG, 0,
+				 if_cfg.if_cfg64, 0);
+
+	/* Setting wait time in seconds */
+	sc->wait_time = LIO_MAX_CMD_TIMEOUT / 1000;
+
+	retval = lio_send_soft_command(lio_dev, sc);
+	if (retval == LIO_IQ_SEND_FAILED) {
+		lio_dev_err(lio_dev, "iq/oq config failed status: %x\n",
+			    retval);
+		/* Soft instr is freed by driver in case of failure. */
+		goto nic_config_fail;
+	}
+
+	/* Sleep on a wait queue till the cond flag indicates that the
+	 * response arrived or timed-out.
+	 */
+	while ((*sc->status_word == LIO_COMPLETION_WORD_INIT) && --timeout) {
+		lio_flush_iq(lio_dev, lio_dev->instr_queue[sc->iq_no]);
+		lio_process_ordered_list(lio_dev);
+		rte_delay_ms(1);
+	}
+
+	retval = resp->status;
+	if (retval) {
+		lio_dev_err(lio_dev, "iq/oq config failed\n");
+		goto nic_config_fail;
+	}
+
+	lio_swap_8B_data((uint64_t *)(&resp->cfg_info),
+			 sizeof(struct octeon_if_cfg_info) >> 3);
+
+	num_iqueues = lio_hweight64(resp->cfg_info.iqmask);
+	num_oqueues = lio_hweight64(resp->cfg_info.oqmask);
+
+	if (!(num_iqueues) || !(num_oqueues)) {
+		lio_dev_err(lio_dev,
+			    "Got bad iqueues (%016lx) or oqueues (%016lx) from firmware.\n",
+			    (unsigned long)resp->cfg_info.iqmask,
+			    (unsigned long)resp->cfg_info.oqmask);
+		goto nic_config_fail;
+	}
+
+	lio_dev_dbg(lio_dev,
+		    "interface %d, iqmask %016lx, oqmask %016lx, numiqueues %d, numoqueues %d\n",
+		    eth_dev->data->port_id,
+		    (unsigned long)resp->cfg_info.iqmask,
+		    (unsigned long)resp->cfg_info.oqmask,
+		    num_iqueues, num_oqueues);
+
+	lio_dev->linfo.num_rxpciq = num_oqueues;
+	lio_dev->linfo.num_txpciq = num_iqueues;
+
+	for (i = 0; i < num_oqueues; i++) {
+		lio_dev->linfo.rxpciq[i].rxpciq64 =
+		    resp->cfg_info.linfo.rxpciq[i].rxpciq64;
+		lio_dev_dbg(lio_dev, "index %d OQ %d\n",
+			    i, lio_dev->linfo.rxpciq[i].s.q_no);
+	}
+
+	for (i = 0; i < num_iqueues; i++) {
+		lio_dev->linfo.txpciq[i].txpciq64 =
+		    resp->cfg_info.linfo.txpciq[i].txpciq64;
+		lio_dev_dbg(lio_dev, "index %d IQ %d\n",
+			    i, lio_dev->linfo.txpciq[i].s.q_no);
+	}
+
+	lio_dev->linfo.hw_addr = resp->cfg_info.linfo.hw_addr;
+	lio_dev->linfo.gmxport = resp->cfg_info.linfo.gmxport;
+	lio_dev->linfo.link.link_status64 =
+			resp->cfg_info.linfo.link.link_status64;
+
+	/* 64-bit swap required on LE machines */
+	lio_swap_8B_data(&lio_dev->linfo.hw_addr, 1);
+	for (i = 0; i < ETHER_ADDR_LEN; i++)
+		mac[i] = *((uint8_t *)(((uint8_t *)&lio_dev->linfo.hw_addr) +
+				       2 + i));
+
+	/* Copy the permanent MAC address */
+	ether_addr_copy((struct ether_addr *)mac, &eth_dev->data->mac_addrs[0]);
+
+	/* enable firmware checksum support for tunnel packets */
+	lio_enable_hw_tunnel_rx_checksum(eth_dev);
+	lio_enable_hw_tunnel_tx_checksum(eth_dev);
+
+	lio_dev->glist_lock =
+	    rte_zmalloc(NULL, sizeof(*lio_dev->glist_lock) * num_iqueues, 0);
+	if (lio_dev->glist_lock == NULL)
+		return -ENOMEM;
+
+	lio_dev->glist_head =
+		rte_zmalloc(NULL, sizeof(*lio_dev->glist_head) * num_iqueues,
+			    0);
+	if (lio_dev->glist_head == NULL) {
+		rte_free(lio_dev->glist_lock);
+		lio_dev->glist_lock = NULL;
+		return -ENOMEM;
+	}
+
+	lio_dev_link_update(eth_dev, 0);
+
+	lio_dev->port_configured = 1;
+
+	lio_free_soft_command(sc);
+
+	/* Disable iq_0 for reconf */
+	lio_dev->fn_list.disable_io_queues(lio_dev);
+
+	/* Reset ioq regs */
+	lio_dev->fn_list.setup_device_regs(lio_dev);
+
+	/* Free iq_0 used during init */
+	lio_free_instr_queue0(lio_dev);
+
+	return 0;
+
+nic_config_fail:
+	lio_dev_err(lio_dev, "Failed retval %d\n", retval);
+	lio_free_soft_command(sc);
+	lio_free_instr_queue0(lio_dev);
+
+	return -ENODEV;
+}
+
+/* Define our ethernet definitions */
+static const struct eth_dev_ops liovf_eth_dev_ops = {
+	.dev_configure		= lio_dev_configure,
+	.dev_start		= lio_dev_start,
+	.dev_stop		= lio_dev_stop,
+	.dev_set_link_up	= lio_dev_set_link_up,
+	.dev_set_link_down	= lio_dev_set_link_down,
+	.dev_close		= lio_dev_close,
+	.allmulticast_enable	= lio_dev_allmulticast_enable,
+	.allmulticast_disable	= lio_dev_allmulticast_disable,
+	.link_update		= lio_dev_link_update,
+	.stats_get		= lio_dev_stats_get,
+	.xstats_get		= lio_dev_xstats_get,
+	.xstats_get_names	= lio_dev_xstats_get_names,
+	.stats_reset		= lio_dev_stats_reset,
+	.xstats_reset		= lio_dev_xstats_reset,
+	.dev_infos_get		= lio_dev_info_get,
+	.vlan_filter_set	= lio_dev_vlan_filter_set,
+	.rx_queue_setup		= lio_dev_rx_queue_setup,
+	.rx_queue_release	= lio_dev_rx_queue_release,
+	.tx_queue_setup		= lio_dev_tx_queue_setup,
+	.tx_queue_release	= lio_dev_tx_queue_release,
+	.reta_update		= lio_dev_rss_reta_update,
+	.reta_query		= lio_dev_rss_reta_query,
+	.rss_hash_conf_get	= lio_dev_rss_hash_conf_get,
+	.rss_hash_update	= lio_dev_rss_hash_update,
+	.udp_tunnel_port_add	= lio_dev_udp_tunnel_add,
+	.udp_tunnel_port_del	= lio_dev_udp_tunnel_del,
+};
+
+static void
+lio_check_pf_hs_response(void *lio_dev)
+{
+	struct lio_device *dev = lio_dev;
+
+	/* check till response arrives */
+	if (dev->pfvf_hsword.coproc_tics_per_us)
+		return;
+
+	cn23xx_vf_handle_mbox(dev);
+
+	rte_eal_alarm_set(1, lio_check_pf_hs_response, lio_dev);
+}
+
+/**
+ * \brief Identify the LIO device and to map the BAR address space
+ * @param lio_dev lio device
+ */
+static int
+lio_chip_specific_setup(struct lio_device *lio_dev)
+{
+	struct rte_pci_device *pdev = lio_dev->pci_dev;
+	uint32_t dev_id = pdev->id.device_id;
+	const char *s;
+	int ret = 1;
+
+	switch (dev_id) {
+	case LIO_CN23XX_VF_VID:
+		lio_dev->chip_id = LIO_CN23XX_VF_VID;
+		ret = cn23xx_vf_setup_device(lio_dev);
+		s = "CN23XX VF";
+		break;
+	default:
+		s = "?";
+		lio_dev_err(lio_dev, "Unsupported Chip\n");
+	}
+
+	if (!ret)
+		lio_dev_info(lio_dev, "DEVICE : %s\n", s);
+
+	return ret;
+}
+
+static int
+lio_first_time_init(struct lio_device *lio_dev,
+		    struct rte_pci_device *pdev)
+{
+	int dpdk_queues;
+
+	PMD_INIT_FUNC_TRACE();
+
+	/* set dpdk specific pci device pointer */
+	lio_dev->pci_dev = pdev;
+
+	/* Identify the LIO type and set device ops */
+	if (lio_chip_specific_setup(lio_dev)) {
+		lio_dev_err(lio_dev, "Chip specific setup failed\n");
+		return -1;
+	}
+
+	/* Initialize soft command buffer pool */
+	if (lio_setup_sc_buffer_pool(lio_dev)) {
+		lio_dev_err(lio_dev, "sc buffer pool allocation failed\n");
+		return -1;
+	}
+
+	/* Initialize lists to manage the requests of different types that
+	 * arrive from applications for this lio device.
+	 */
+	lio_setup_response_list(lio_dev);
+
+	if (lio_dev->fn_list.setup_mbox(lio_dev)) {
+		lio_dev_err(lio_dev, "Mailbox setup failed\n");
+		goto error;
+	}
+
+	/* Check PF response */
+	lio_check_pf_hs_response((void *)lio_dev);
+
+	/* Do handshake and exit if incompatible PF driver */
+	if (cn23xx_pfvf_handshake(lio_dev))
+		goto error;
+
+	/* Initial reset */
+	cn23xx_vf_ask_pf_to_do_flr(lio_dev);
+	/* Wait for FLR for 100ms per SRIOV specification */
+	rte_delay_ms(100);
+
+	if (cn23xx_vf_set_io_queues_off(lio_dev)) {
+		lio_dev_err(lio_dev, "Setting io queues off failed\n");
+		goto error;
+	}
+
+	if (lio_dev->fn_list.setup_device_regs(lio_dev)) {
+		lio_dev_err(lio_dev, "Failed to configure device registers\n");
+		goto error;
+	}
+
+	if (lio_setup_instr_queue0(lio_dev)) {
+		lio_dev_err(lio_dev, "Failed to setup instruction queue 0\n");
+		goto error;
+	}
+
+	dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
+
+	lio_dev->max_tx_queues = dpdk_queues;
+	lio_dev->max_rx_queues = dpdk_queues;
+
+	/* Enable input and output queues for this device */
+	if (lio_dev->fn_list.enable_io_queues(lio_dev))
+		goto error;
+
+	return 0;
+
+error:
+	lio_free_sc_buffer_pool(lio_dev);
+	if (lio_dev->mbox[0])
+		lio_dev->fn_list.free_mbox(lio_dev);
+	if (lio_dev->instr_queue[0])
+		lio_free_instr_queue0(lio_dev);
+
+	return -1;
+}
+
+static int
+lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	PMD_INIT_FUNC_TRACE();
+
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return -EPERM;
+
+	/* lio_free_sc_buffer_pool */
+	lio_free_sc_buffer_pool(lio_dev);
+
+	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;
+
+	return 0;
+}
+
+static int
+lio_eth_dev_init(struct rte_eth_dev *eth_dev)
+{
+	struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
+	struct lio_device *lio_dev = LIO_DEV(eth_dev);
+
+	PMD_INIT_FUNC_TRACE();
+
+	eth_dev->rx_pkt_burst = &lio_dev_recv_pkts;
+	eth_dev->tx_pkt_burst = &lio_dev_xmit_pkts;
+
+	/* Primary does the initialization. */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	rte_eth_copy_pci_info(eth_dev, pdev);
+	eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
+
+	if (pdev->mem_resource[0].addr) {
+		lio_dev->hw_addr = pdev->mem_resource[0].addr;
+	} else {
+		PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
+		return -ENODEV;
+	}
+
+	lio_dev->eth_dev = eth_dev;
+	/* set lio device print string */
+	snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
+		 "%s[%02x:%02x.%x]", pdev->driver->driver.name,
+		 pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
+
+	lio_dev->port_id = eth_dev->data->port_id;
+
+	if (lio_first_time_init(lio_dev, pdev)) {
+		lio_dev_err(lio_dev, "Device init failed\n");
+		return -EINVAL;
+	}
+
+	eth_dev->dev_ops = &liovf_eth_dev_ops;
+	eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
+	if (eth_dev->data->mac_addrs == NULL) {
+		lio_dev_err(lio_dev,
+			    "MAC addresses memory allocation failed\n");
+		eth_dev->dev_ops = NULL;
+		eth_dev->rx_pkt_burst = NULL;
+		eth_dev->tx_pkt_burst = NULL;
+		return -ENOMEM;
+	}
+
+	rte_atomic64_set(&lio_dev->status, LIO_DEV_RUNNING);
+	rte_wmb();
+
+	lio_dev->port_configured = 0;
+	/* Always allow unicast packets */
+	lio_dev->ifflags |= LIO_IFFLAG_UNICAST;
+
+	return 0;
+}
+
+static int
+lio_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+		      struct rte_pci_device *pci_dev)
+{
+	struct rte_eth_dev *eth_dev;
+	int ret;
+
+	eth_dev = rte_eth_dev_pci_allocate(pci_dev,
+					   sizeof(struct lio_device));
+	if (eth_dev == NULL)
+		return -ENOMEM;
+
+	ret = lio_eth_dev_init(eth_dev);
+	if (ret)
+		rte_eth_dev_pci_release(eth_dev);
+
+	return ret;
+}
+
+static int
+lio_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_eth_dev_pci_generic_remove(pci_dev,
+					      lio_eth_dev_uninit);
+}
+
+/* Set of PCI devices this driver supports */
+static const struct rte_pci_id pci_id_liovf_map[] = {
+	{ RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
+	{ .vendor_id = 0, /* sentinel */ }
+};
+
+static struct rte_pci_driver rte_liovf_pmd = {
+	.id_table	= pci_id_liovf_map,
+	.drv_flags      = RTE_PCI_DRV_NEED_MAPPING,
+	.probe		= lio_eth_dev_pci_probe,
+	.remove		= lio_eth_dev_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");