[PATCH v5 19/32] net/sssnic: support dev start and stop

[<wanry@3snic.com>]

From: Renyong Wan <wanry@3snic.com>

Signed-off-by: Steven Song <steven.song@3snic.com>
Signed-off-by: Renyong Wan <wanry@3snic.com>
---
 drivers/net/sssnic/base/sssnic_api.c  | 508 ++++++++++++++++++++++++++
 drivers/net/sssnic/base/sssnic_api.h  | 257 +++++++++++++
 drivers/net/sssnic/base/sssnic_cmd.h  | 100 +++++
 drivers/net/sssnic/base/sssnic_misc.h |  34 ++
 drivers/net/sssnic/sssnic_ethdev.c    | 284 ++++++++++++++
 drivers/net/sssnic/sssnic_ethdev.h    |  21 ++
 drivers/net/sssnic/sssnic_ethdev_rx.c | 270 +++++++++++++-
 drivers/net/sssnic/sssnic_ethdev_rx.h |   8 +
 drivers/net/sssnic/sssnic_ethdev_tx.c | 163 +++++++++
 drivers/net/sssnic/sssnic_ethdev_tx.h |   6 +
 10 files changed, 1650 insertions(+), 1 deletion(-)

diff --git a/drivers/net/sssnic/base/sssnic_api.c b/drivers/net/sssnic/base/sssnic_api.c
index 3050d573bf..81020387bd 100644
--- a/drivers/net/sssnic/base/sssnic_api.c
+++ b/drivers/net/sssnic/base/sssnic_api.c
@@ -13,6 +13,7 @@
 #include "sssnic_mbox.h"
 #include "sssnic_ctrlq.h"
 #include "sssnic_api.h"
+#include "sssnic_misc.h"
 
 int
 sssnic_msix_attr_get(struct sssnic_hw *hw, uint16_t msix_idx,
@@ -497,3 +498,510 @@ sssnic_rxq_flush(struct sssnic_hw *hw, uint16_t qid)
 
 	return 0;
 }
+
+static int
+sssnic_rxtx_size_set(struct sssnic_hw *hw, uint16_t rx_size, uint16_t tx_size,
+	uint32_t flags)
+{
+	int ret;
+	struct sssnic_rxtx_size_set_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	if (hw == NULL)
+		return -EINVAL;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.rx_size = rx_size;
+	cmd.tx_size = tx_size;
+	cmd.flags = flags;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_SET_PORT_RXTX_SIZE_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_SET_PORT_RXTX_SIZE_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_rxtx_max_size_init(struct sssnic_hw *hw, uint16_t rx_size,
+	uint16_t tx_size)
+{
+	return sssnic_rxtx_size_set(hw, rx_size, tx_size,
+		SSSNIC_CMD_INIT_RXTX_SIZE_FLAG | SSSNIC_CMD_SET_RX_SIZE_FLAG |
+			SSSNIC_CMD_SET_TX_SIZE_FLAG);
+}
+
+int
+sssnic_tx_max_size_set(struct sssnic_hw *hw, uint16_t tx_size)
+{
+	return sssnic_rxtx_size_set(hw, 0, tx_size,
+		SSSNIC_CMD_SET_TX_SIZE_FLAG);
+}
+
+int
+sssnic_port_features_get(struct sssnic_hw *hw, uint64_t *features)
+{
+	int ret;
+	struct sssnic_port_feature_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.opcode = SSSNIC_CMD_OPCODE_GET;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len, SSSNIC_PORT_FEATURE_CMD,
+		SSSNIC_MPU_FUNC_IDX, SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_PORT_FEATURE_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	*features = cmd.features;
+
+	return 0;
+}
+
+int
+sssnic_port_features_set(struct sssnic_hw *hw, uint64_t features)
+{
+	int ret;
+	struct sssnic_port_feature_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.features = features;
+	cmd.opcode = SSSNIC_CMD_OPCODE_SET;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len, SSSNIC_PORT_FEATURE_CMD,
+		SSSNIC_MPU_FUNC_IDX, SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_PORT_FEATURE_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+#define SSSNIC_MAX_NUM_RXTXQ_CTX_SET_IN_BULK                                   \
+	((SSSNIC_CTRLQ_MAX_CMD_DATA_LEN - SSSNIC_RXTXQ_CTX_CMD_INFO_LEN) /     \
+		SSSNIC_RXTXQ_CTX_SIZE)
+
+static int
+sssnic_rxtxq_ctx_set(struct sssnic_hw *hw, struct sssnic_rxtxq_ctx *q_ctx,
+	uint16_t q_start, enum sssnic_rxtxq_ctx_type type, uint16_t count)
+{
+	struct sssnic_ctrlq_cmd *cmd;
+	struct sssnic_rxtxq_ctx_cmd *data;
+	struct sssnic_rxtxq_ctx *ctx;
+	uint32_t num, i;
+	uint32_t max_num;
+	struct sssnic_rxtxq_ctx_cmd_info cmd_info;
+	int ret = 0;
+
+	cmd = sssnic_ctrlq_cmd_alloc(hw);
+	if (cmd == NULL) {
+		PMD_DRV_LOG(ERR, "Failed to alloc ctrlq command");
+		return -ENOMEM;
+	}
+
+	data = cmd->data;
+	ctx = (struct sssnic_rxtxq_ctx *)(data + 1);
+	max_num = SSSNIC_MAX_NUM_RXTXQ_CTX_SET_IN_BULK;
+
+	while (count > 0) {
+		num = RTE_MIN(count, max_num);
+
+		cmd_info.q_count = num;
+		cmd_info.q_type = type;
+		cmd_info.q_start = q_start;
+		cmd_info.resvd0 = 0;
+		sssnic_mem_cpu_to_be_32(&cmd_info, &data->info,
+			sizeof(struct sssnic_rxtxq_ctx_cmd_info));
+
+		for (i = 0; i < num; i++)
+			sssnic_mem_cpu_to_be_32(q_ctx + i, ctx + i,
+				SSSNIC_RXTXQ_CTX_SIZE);
+
+		cmd->data_len = sizeof(struct sssnic_rxtxq_ctx_cmd_info) +
+				(SSSNIC_RXTXQ_CTX_SIZE * num);
+		cmd->module = SSSNIC_LAN_MODULE;
+		cmd->cmd = SSSNIC_SET_RXTXQ_CTX_CMD;
+
+		rte_wmb();
+
+		ret = sssnic_ctrlq_cmd_exec(hw, cmd, 0);
+		if (ret != 0 || cmd->result != 0) {
+			PMD_DRV_LOG(ERR,
+				"Failed to execulte ctrlq command %s, ret=%d, result=%" PRIu64,
+				"SSSNIC_SET_RXTXQ_CTX_CMD", ret, cmd->result);
+			ret = -EIO;
+			goto out;
+		}
+
+		count -= num;
+		q_ctx += num;
+		q_start += num;
+	}
+
+out:
+	sssnic_ctrlq_cmd_destroy(hw, cmd);
+	return ret;
+}
+
+int
+sssnic_txq_ctx_set(struct sssnic_hw *hw, struct sssnic_txq_ctx *ctx,
+	uint16_t qstart, uint16_t count)
+{
+	return sssnic_rxtxq_ctx_set(hw, (struct sssnic_rxtxq_ctx *)ctx, qstart,
+		SSSNIC_TXQ_CTX, count);
+}
+
+int
+sssnic_rxq_ctx_set(struct sssnic_hw *hw, struct sssnic_rxq_ctx *ctx,
+	uint16_t qstart, uint16_t count)
+{
+	return sssnic_rxtxq_ctx_set(hw, (struct sssnic_rxtxq_ctx *)ctx, qstart,
+		SSSNIC_RXQ_CTX, count);
+}
+
+static int
+sssnic_offload_ctx_reset(struct sssnic_hw *hw, uint16_t q_start,
+	enum sssnic_rxtxq_ctx_type q_type, uint16_t count)
+{
+	struct sssnic_ctrlq_cmd cmd;
+	struct sssnic_offload_ctx_reset_cmd data;
+	int ret;
+
+	memset(&cmd, 0, sizeof(cmd));
+	memset(&data, 0, sizeof(data));
+
+	data.info.q_count = count;
+	data.info.q_start = q_start;
+	data.info.q_type = q_type;
+
+	cmd.data = &data;
+	cmd.module = SSSNIC_LAN_MODULE;
+	cmd.data_len = sizeof(data);
+	cmd.cmd = SSSNIC_RESET_OFFLOAD_CTX_CMD;
+
+	sssnic_mem_cpu_to_be_32(&data, &data, sizeof(data));
+
+	ret = sssnic_ctrlq_cmd_exec(hw, &cmd, 0);
+	if (ret != 0 || cmd.result != 0) {
+		PMD_DRV_LOG(ERR,
+			"Failed to execulte ctrlq command %s, ret=%d, result=%" PRIu64,
+			"SSSNIC_RESET_OFFLOAD_CTX_CMD", ret, cmd.result);
+
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_rx_offload_ctx_reset(struct sssnic_hw *hw)
+{
+	return sssnic_offload_ctx_reset(hw, 0, SSSNIC_RXQ_CTX,
+		SSSNIC_MAX_NUM_RXQ(hw));
+}
+
+int
+sssnic_tx_offload_ctx_reset(struct sssnic_hw *hw)
+{
+	return sssnic_offload_ctx_reset(hw, 0, SSSNIC_TXQ_CTX,
+		SSSNIC_MAX_NUM_TXQ(hw));
+}
+
+int
+sssnic_rxtx_ctx_set(struct sssnic_hw *hw, bool lro_en, uint16_t rxq_depth,
+	uint16_t rx_buf, uint16_t txq_depth)
+{
+	int ret;
+	struct sssnic_msg msg;
+	struct sssnic_root_ctx_cmd cmd;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.func_id = SSSNIC_FUNC_IDX(hw);
+	cmd.lro_enable = lro_en ? 1 : 0;
+	cmd.rx_buf = rx_buf;
+	cmd.rxq_depth = (uint16_t)rte_log2_u32(rxq_depth);
+	cmd.txq_depth = (uint16_t)rte_log2_u32(txq_depth);
+	cmd_len = sizeof(cmd);
+
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len, SSSNIC_SET_ROOT_CTX_CMD,
+		SSSNIC_MPU_FUNC_IDX, SSSNIC_COMM_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SET_ROOT_CTX_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_port_tx_ci_attr_set(struct sssnic_hw *hw, uint16_t tx_qid,
+	uint8_t pending_limit, uint8_t coalescing_time, uint64_t dma_addr)
+{
+	int ret;
+	struct sssnic_port_tx_ci_attr_set_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.coalescing_time = coalescing_time;
+	cmd.pending_limit = pending_limit;
+	cmd.qid = tx_qid;
+	cmd.dma_addr = dma_addr >> 2;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_SET_PORT_TX_CI_ATTR_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_SET_PORT_TX_CI_ATTR_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_port_rx_mode_set(struct sssnic_hw *hw, uint32_t mode)
+{
+	int ret;
+	struct sssnic_port_rx_mode_set_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.mode = mode;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_SET_PORT_RX_MODE_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_SET_PORT_RX_MODE_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_lro_enable_set(struct sssnic_hw *hw, bool ipv4_en, bool ipv6_en,
+	uint8_t nb_lro_bufs)
+{
+	int ret;
+	struct sssnic_lro_cfg_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.ipv4_en = ipv4_en ? 1 : 0;
+	cmd.opcode = SSSNIC_CMD_OPCODE_SET;
+	cmd.ipv6_en = ipv6_en ? 1 : 0;
+	cmd.nb_bufs = nb_lro_bufs;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len, SSSNIC_PORT_LRO_CFG_CMD,
+		SSSNIC_MPU_FUNC_IDX, SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_PORT_LRO_CFG_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_lro_timer_set(struct sssnic_hw *hw, uint32_t timer)
+{
+	int ret;
+	struct sssnic_lro_timer_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	if (SSSNIC_FUNC_TYPE(hw) == SSSNIC_FUNC_TYPE_VF)
+		return 0;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.opcode = SSSNIC_CMD_OPCODE_SET;
+	cmd.timer = timer;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_PORT_LRO_TIMER_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_PORT_LRO_TIMER_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_vlan_filter_enable_set(struct sssnic_hw *hw, bool state)
+{
+	int ret;
+	struct sssnic_vlan_filter_enable_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.state = state ? 1 : 0;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_ENABLE_PORT_VLAN_FILTER_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_ENABLE_PORT_VLAN_FILTER_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_vlan_strip_enable_set(struct sssnic_hw *hw, bool state)
+{
+	int ret;
+	struct sssnic_vlan_strip_enable_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd.state = state ? 1 : 0;
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_ENABLE_PORT_VLAN_STRIP_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_ENABLE_PORT_VLAN_STRIP_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int
+sssnic_port_resource_clean(struct sssnic_hw *hw)
+{
+	int ret;
+	struct sssnic_port_resource_clean_cmd cmd;
+	struct sssnic_msg msg;
+	uint32_t cmd_len;
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.function = SSSNIC_FUNC_IDX(hw);
+	cmd_len = sizeof(cmd);
+	sssnic_msg_init(&msg, (uint8_t *)&cmd, cmd_len,
+		SSSNIC_CLEAN_PORT_RES_CMD, SSSNIC_MPU_FUNC_IDX,
+		SSSNIC_LAN_MODULE, SSSNIC_MSG_TYPE_REQ);
+	ret = sssnic_mbox_send(hw, &msg, (uint8_t *)&cmd, &cmd_len, 0);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to send mbox message, ret=%d", ret);
+		return ret;
+	}
+
+	if (cmd_len == 0 || cmd.common.status != 0) {
+		PMD_DRV_LOG(ERR,
+			"Bad response to SSSNIC_CLEAN_PORT_RES_CMD, len=%u, status=%u",
+			cmd_len, cmd.common.status);
+		return -EIO;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/sssnic/base/sssnic_api.h b/drivers/net/sssnic/base/sssnic_api.h
index 29962aabf8..49336f70cf 100644
--- a/drivers/net/sssnic/base/sssnic_api.h
+++ b/drivers/net/sssnic/base/sssnic_api.h
@@ -32,6 +32,241 @@ struct sssnic_netif_link_info {
 	uint8_t fec;
 };
 
+struct sssnic_rxq_ctx {
+	union {
+		uint32_t dword0;
+		struct {
+			/* producer index of workq */
+			uint32_t pi : 16;
+			/* consumer index of workq */
+			uint32_t ci : 16;
+		};
+	};
+
+	union {
+		uint32_t dword1;
+		struct {
+			uint32_t dw1_resvd0 : 21;
+			uint32_t msix_id : 10;
+			uint32_t intr_dis : 1;
+		};
+	};
+
+	union {
+		uint32_t dword2;
+		struct {
+			uint32_t wq_pfn_hi : 20;
+			uint32_t dw2_resvd0 : 8;
+			/* DPDK PMD always set to 2,
+			 * represent 16 bytes workq entry
+			 */
+			uint32_t wqe_type : 2;
+			uint32_t dw2_resvd1 : 1;
+			/* DPDK PMD always set to 1 */
+			uint32_t wq_owner : 1;
+		};
+	};
+
+	union {
+		uint32_t dword3;
+		uint32_t wq_pfn_lo;
+	};
+
+	uint32_t dword4;
+	uint32_t dword5;
+	uint32_t dword6;
+
+	union {
+		uint32_t dword7;
+		struct {
+			uint32_t dw7_resvd0 : 28;
+			/* PMD always set to 1, represent 32 bytes CQE*/
+			uint32_t rxd_len : 2;
+			uint32_t dw7_resvd1 : 2;
+		};
+	};
+
+	union {
+		uint32_t dword8;
+		struct {
+			uint32_t pre_cache_thd : 14;
+			uint32_t pre_cache_max : 11;
+			uint32_t pre_cache_min : 7;
+		};
+	};
+
+	union {
+		uint32_t dword9;
+		struct {
+			uint32_t pre_ci_hi : 4;
+			uint32_t pre_owner : 1;
+			uint32_t dw9_resvd0 : 27;
+		};
+	};
+
+	union {
+		uint32_t dword10;
+		struct {
+			uint32_t pre_wq_pfn_hi : 20;
+			uint32_t pre_ci_lo : 12;
+		};
+	};
+
+	union {
+		uint32_t dword11;
+		uint32_t pre_wq_pfn_lo;
+	};
+
+	union {
+		uint32_t dword12;
+		/* high 32it of PI DMA  address */
+		uint32_t pi_addr_hi;
+	};
+
+	union {
+		uint32_t dword13;
+		/* low 32it of PI DMA  address */
+		uint32_t pi_addr_lo;
+	};
+
+	union {
+		uint32_t dword14;
+		struct {
+			uint32_t wq_blk_pfn_hi : 23;
+			uint32_t dw14_resvd0 : 9;
+		};
+	};
+
+	union {
+		uint32_t dword15;
+		uint32_t wq_blk_pfn_lo;
+	};
+};
+
+struct sssnic_txq_ctx {
+	union {
+		uint32_t dword0;
+		struct {
+			uint32_t pi : 16;
+			uint32_t ci : 16;
+		};
+	};
+
+	union {
+		uint32_t dword1;
+		struct {
+			uint32_t sp : 1;
+			uint32_t drop : 1;
+			uint32_t dw_resvd0 : 30;
+		};
+	};
+
+	union {
+		uint32_t dword2;
+		struct {
+			uint32_t wq_pfn_hi : 20;
+			uint32_t dw2_resvd0 : 3;
+			uint32_t wq_owner : 1;
+			uint32_t dw2_resvd1 : 8;
+		};
+	};
+
+	union {
+		uint32_t dword3;
+		uint32_t wq_pfn_lo;
+	};
+
+	uint32_t dword4;
+
+	union {
+		uint32_t dword5;
+		struct {
+			uint32_t drop_on_thd : 16;
+			uint32_t drop_off_thd : 16;
+		};
+	};
+	union {
+		uint32_t dword6;
+		struct {
+			uint32_t qid : 13;
+			uint32_t dw6_resvd0 : 19;
+		};
+	};
+
+	union {
+		uint32_t dword7;
+		struct {
+			uint32_t vlan_tag : 16;
+			uint32_t vlan_type : 3;
+			uint32_t insert_mode : 2;
+			uint32_t dw7_resvd0 : 2;
+			uint32_t ceq_en : 1;
+			uint32_t dw7_resvd1 : 8;
+		};
+	};
+
+	union {
+		uint32_t dword8;
+		struct {
+			uint32_t pre_cache_thd : 14;
+			uint32_t pre_cache_max : 11;
+			uint32_t pre_cache_min : 7;
+		};
+	};
+
+	union {
+		uint32_t dword9;
+		struct {
+			uint32_t pre_ci_hi : 4;
+			uint32_t pre_owner : 1;
+			uint32_t dw9_resvd0 : 27;
+		};
+	};
+
+	union {
+		uint32_t dword10;
+		struct {
+			uint32_t pre_wq_pfn_hi : 20;
+			uint32_t pre_ci_lo : 12;
+		};
+	};
+
+	union {
+		uint32_t dword11;
+		uint32_t pre_wq_pfn_lo;
+	};
+
+	uint32_t dword12;
+	uint32_t dword13;
+
+	union {
+		uint32_t dword14;
+		struct {
+			uint32_t wq_blk_pfn_hi : 23;
+			uint32_t dw14_resvd0 : 9;
+		};
+	};
+
+	union {
+		uint32_t dword15;
+		uint32_t wq_blk_pfn_lo;
+	};
+};
+
+enum sssnic_rxtxq_ctx_type {
+	SSSNIC_TXQ_CTX,
+	SSSNIC_RXQ_CTX,
+};
+
+struct sssnic_rxtxq_ctx {
+	union {
+		struct sssnic_rxq_ctx rxq;
+		struct sssnic_txq_ctx txq;
+	};
+};
+
+#define SSSNIC_RXTXQ_CTX_SIZE (sizeof(struct sssnic_rxtxq_ctx))
+
 int sssnic_msix_attr_get(struct sssnic_hw *hw, uint16_t msix_idx,
 	struct sssnic_msix_attr *attr);
 int sssnic_msix_attr_set(struct sssnic_hw *hw, uint16_t msix_idx,
@@ -47,5 +282,27 @@ int sssnic_netif_link_info_get(struct sssnic_hw *hw,
 int sssnic_netif_enable_set(struct sssnic_hw *hw, uint8_t state);
 int sssnic_port_enable_set(struct sssnic_hw *hw, bool state);
 int sssnic_rxq_flush(struct sssnic_hw *hw, uint16_t qid);
+int sssnic_rxtx_max_size_init(struct sssnic_hw *hw, uint16_t rx_size,
+	uint16_t tx_size);
+int sssnic_tx_max_size_set(struct sssnic_hw *hw, uint16_t tx_size);
+int sssnic_port_features_get(struct sssnic_hw *hw, uint64_t *features);
+int sssnic_port_features_set(struct sssnic_hw *hw, uint64_t features);
+int sssnic_txq_ctx_set(struct sssnic_hw *hw, struct sssnic_txq_ctx *ctx,
+	uint16_t qstart, uint16_t count);
+int sssnic_rxq_ctx_set(struct sssnic_hw *hw, struct sssnic_rxq_ctx *ctx,
+	uint16_t qstart, uint16_t count);
+int sssnic_rx_offload_ctx_reset(struct sssnic_hw *hw);
+int sssnic_tx_offload_ctx_reset(struct sssnic_hw *hw);
+int sssnic_rxtx_ctx_set(struct sssnic_hw *hw, bool lro_en, uint16_t rxq_depth,
+	uint16_t rx_buf, uint16_t txq_depth);
+int sssnic_port_tx_ci_attr_set(struct sssnic_hw *hw, uint16_t tx_qid,
+	uint8_t pending_limit, uint8_t coalescing_time, uint64_t dma_addr);
+int sssnic_port_rx_mode_set(struct sssnic_hw *hw, uint32_t mode);
+int sssnic_lro_enable_set(struct sssnic_hw *hw, bool ipv4_en, bool ipv6_en,
+	uint8_t nb_lro_bufs);
+int sssnic_lro_timer_set(struct sssnic_hw *hw, uint32_t timer);
+int sssnic_vlan_filter_enable_set(struct sssnic_hw *hw, bool state);
+int sssnic_vlan_strip_enable_set(struct sssnic_hw *hw, bool state);
+int sssnic_port_resource_clean(struct sssnic_hw *hw);
 
 #endif /* _SSSNIC_API_H_ */
diff --git a/drivers/net/sssnic/base/sssnic_cmd.h b/drivers/net/sssnic/base/sssnic_cmd.h
index 6364058d36..e89719b0de 100644
--- a/drivers/net/sssnic/base/sssnic_cmd.h
+++ b/drivers/net/sssnic/base/sssnic_cmd.h
@@ -236,4 +236,104 @@ struct sssnic_rxq_flush_cmd {
 	};
 };
 
+#define SSSNIC_CMD_INIT_RXTX_SIZE_FLAG (RTE_BIT32(0))
+#define SSSNIC_CMD_SET_RX_SIZE_FLAG (RTE_BIT32(1))
+#define SSSNIC_CMD_SET_TX_SIZE_FLAG (RTE_BIT32(2))
+
+struct sssnic_rxtx_size_set_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint16_t resvd0;
+	uint32_t flags;
+	uint16_t rx_size;
+	uint16_t tx_size;
+	uint32_t resvd1[9];
+};
+
+struct sssnic_port_feature_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint8_t opcode;
+	uint8_t resvd0;
+	uint64_t features;
+	uint64_t resvd1[3];
+};
+
+struct sssnic_rxtxq_ctx_cmd_info {
+	uint16_t q_count;
+	uint16_t q_type;
+	uint16_t q_start;
+	uint16_t resvd0;
+};
+
+#define SSSNIC_RXTXQ_CTX_CMD_INFO_LEN (sizeof(struct sssnic_rxtxq_ctx_cmd_info))
+
+struct sssnic_rxtxq_ctx_cmd {
+	struct sssnic_rxtxq_ctx_cmd_info info;
+	uint32_t ctx[0];
+};
+
+struct sssnic_offload_ctx_reset_cmd {
+	struct sssnic_rxtxq_ctx_cmd_info info;
+	uint32_t resvd;
+};
+
+struct sssnic_port_tx_ci_attr_set_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint8_t resvd0;
+	uint8_t pending_limit;
+	uint8_t coalescing_time;
+	uint8_t resvd1;
+	uint16_t resvd2;
+	uint16_t qid;
+	/* ci DMA address right shift 2 */
+	uint64_t dma_addr;
+};
+
+struct sssnic_port_rx_mode_set_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint16_t resvd;
+	uint32_t mode;
+};
+
+struct sssnic_lro_cfg_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint8_t opcode;
+	uint8_t resvd0;
+	uint8_t ipv4_en;
+	uint8_t ipv6_en;
+	uint8_t nb_bufs;
+	uint8_t resvd1[13];
+};
+
+struct sssnic_lro_timer_cmd {
+	struct sssnic_cmd_common common;
+	uint8_t opcode;
+	uint8_t resvd[3];
+	uint32_t timer;
+};
+
+struct sssnic_vlan_filter_enable_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint16_t resvd;
+	uint32_t state; /* 0: disabled 1: enabled */
+};
+
+struct sssnic_vlan_strip_enable_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint8_t state; /* 0: disabled 1: enabled */
+	uint8_t resvd[5];
+};
+
+struct sssnic_port_resource_clean_cmd {
+	struct sssnic_cmd_common common;
+	uint16_t function;
+	uint16_t resvd;
+};
+
 #endif /* _SSSNIC_CMD_H_ */
diff --git a/drivers/net/sssnic/base/sssnic_misc.h b/drivers/net/sssnic/base/sssnic_misc.h
index ac1bbd9c73..e30691caef 100644
--- a/drivers/net/sssnic/base/sssnic_misc.h
+++ b/drivers/net/sssnic/base/sssnic_misc.h
@@ -8,4 +8,38 @@
 #define SSSNIC_LOWER_32_BITS(x) ((uint32_t)(x))
 #define SSSNIC_UPPER_32_BITS(x) ((uint32_t)(((x) >> 16) >> 16))
 
+static inline void
+sssnic_mem_cpu_to_be_32(void *in, void *out, int size)
+{
+	uint32_t i;
+	uint32_t num;
+	uint32_t *data_in = (uint32_t *)in;
+	uint32_t *data_out = (uint32_t *)out;
+
+	num = size / sizeof(uint32_t);
+
+	for (i = 0; i < num; i++) {
+		*data_out = rte_cpu_to_be_32(*data_in);
+		data_in++;
+		data_out++;
+	}
+}
+
+static inline void
+sssnic_mem_be_to_cpu_32(void *in, void *out, int size)
+{
+	uint32_t i;
+	uint32_t num;
+	uint32_t *data_in = (uint32_t *)in;
+	uint32_t *data_out = (uint32_t *)out;
+
+	num = size / sizeof(uint32_t);
+
+	for (i = 0; i < num; i++) {
+		*data_out = rte_be_to_cpu_32(*data_in);
+		data_in++;
+		data_out++;
+	}
+}
+
 #endif /* _SSSNIC_MISC_H_ */
diff --git a/drivers/net/sssnic/sssnic_ethdev.c b/drivers/net/sssnic/sssnic_ethdev.c
index 35bb26a0b1..8201a1e3c4 100644
--- a/drivers/net/sssnic/sssnic_ethdev.c
+++ b/drivers/net/sssnic/sssnic_ethdev.c
@@ -344,7 +344,287 @@ sssnic_ethdev_release(struct rte_eth_dev *ethdev)
 	rte_free(hw);
 }
 
+static int
+sssnic_ethdev_rxtx_max_size_init(struct rte_eth_dev *ethdev)
+{
+	int ret;
+	struct sssnic_netdev *netdev = SSSNIC_ETHDEV_PRIVATE(ethdev);
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+
+	netdev->max_rx_size = sssnic_ethdev_rx_max_size_determine(ethdev);
+
+	ret = sssnic_rxtx_max_size_init(hw, netdev->max_rx_size, 0x3fff);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize max rx and tx size");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int
+sssnic_ethdev_features_setup(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	uint64_t features;
+	int ret;
+
+	ret = sssnic_port_features_get(hw, &features);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to get features");
+		return ret;
+	}
+
+	features &= SSSNIC_ETHDEV_DEFAULT_FEATURES;
+
+	ret = sssnic_port_features_set(hw, features);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to set features to %" PRIx64,
+			features);
+		return ret;
+	}
+
+	PMD_DRV_LOG(DEBUG, "Set features to %" PRIx64, features);
+
+	return 0;
+}
+
+static int
+sssnic_ethdev_queues_ctx_setup(struct rte_eth_dev *ethdev)
+{
+	int ret;
+
+	ret = sssnic_ethdev_tx_queues_ctx_init(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize tx queues context");
+		return ret;
+	}
+
+	ret = sssnic_ethdev_rx_queues_ctx_init(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize rx queues context");
+		return ret;
+	}
+
+	ret = sssnic_ethdev_rx_offload_ctx_reset(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize rx offload context");
+		return ret;
+	}
+
+	ret = sssnic_ethdev_tx_offload_ctx_reset(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize tx offload context");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int
+sssnic_ethdev_rxtx_ctx_setup(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_netdev *netdev = SSSNIC_ETHDEV_PRIVATE(ethdev);
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	uint16_t rxq_depth;
+	uint16_t txq_depth;
+	uint16_t rx_buf_idx;
+	int ret;
+
+	/* queue 0 as default depth */
+	rxq_depth = sssnic_ethdev_rx_queue_depth_get(ethdev, 0);
+	rxq_depth = rxq_depth << 1;
+	txq_depth = sssnic_ethdev_tx_queue_depth_get(ethdev, 0);
+
+	rx_buf_idx = sssnic_ethdev_rx_buf_size_index_get(netdev->max_rx_size);
+
+	ret = sssnic_rxtx_ctx_set(hw, true, rxq_depth, rx_buf_idx, txq_depth);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to set rxtx context");
+		return ret;
+	}
+
+	PMD_DRV_LOG(INFO,
+		"Setup rxq_depth: %u, max_rx_size: %u, rx_buf_idx: %u, txq_depth: %u",
+		rxq_depth >> 1, netdev->max_rx_size, rx_buf_idx, txq_depth);
+
+	return 0;
+}
+
+static void
+sssnic_ethdev_rxtx_ctx_clean(struct rte_eth_dev *ethdev)
+{
+	sssnic_rxtx_ctx_set(SSSNIC_ETHDEV_TO_HW(ethdev), 0, 0, 0, 0);
+}
+
+static int
+sssnic_ethdev_resource_clean(struct rte_eth_dev *ethdev)
+{
+	return sssnic_port_resource_clean(SSSNIC_ETHDEV_TO_HW(ethdev));
+}
+
+static int
+sssnic_ethdev_start(struct rte_eth_dev *ethdev)
+{
+	int ret;
+
+	/* disable link event */
+	sssnic_ethdev_link_intr_disable(ethdev);
+
+	/* Allocate rx intr vec */
+	ret = sssnic_ethdev_rx_intr_init(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize rx initr of port %u",
+			ethdev->data->port_id);
+		goto link_intr_enable;
+	}
+
+	/* Initialize rx and tx max size */
+	ret = sssnic_ethdev_rxtx_max_size_init(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR,
+			"Failed to initialize rxtx max size of port %u",
+			ethdev->data->port_id);
+		goto rx_intr_shutdown;
+	}
+
+	/* Setup default features for port */
+	ret = sssnic_ethdev_features_setup(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to setup features");
+		goto rx_intr_shutdown;
+	}
+
+	/* Setup txqs and rxqs context */
+	ret = sssnic_ethdev_queues_ctx_setup(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to setup queues context");
+		goto rx_intr_shutdown;
+	}
+
+	/* Setup tx and rx root context */
+	ret = sssnic_ethdev_rxtx_ctx_setup(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to setup rxtx context");
+		goto rx_intr_shutdown;
+	}
+
+	/* Initialize tx ci attributes */
+	ret = sssnic_ethdev_tx_ci_attr_init(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to initialize tx ci attributes");
+		goto rxtx_ctx_clean;
+	}
+
+	/* Set MTU */
+	ret = sssnic_ethdev_tx_max_size_set(ethdev, ethdev->data->mtu);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to set tx max size to %u",
+			ethdev->data->mtu);
+		goto rxtx_ctx_clean;
+	}
+
+	/* init rx mode */
+	ret = sssnic_ethdev_rx_mode_set(ethdev, SSSNIC_ETHDEV_DEF_RX_MODE);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to set rx mode to %x",
+			SSSNIC_ETHDEV_DEF_RX_MODE);
+		goto rxtx_ctx_clean;
+	}
+
+	/* setup rx offload */
+	ret = sssnic_ethdev_rx_offload_setup(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to setup rx offload");
+		goto rx_mode_reset;
+	}
+
+	/* start all rx queues */
+	ret = sssnic_ethdev_rx_queue_all_start(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to start all rx queues");
+		goto clean_port_res;
+	}
+
+	/* start all tx queues */
+	sssnic_ethdev_tx_queue_all_start(ethdev);
+
+	/* enable link event */
+	sssnic_ethdev_link_intr_enable(ethdev);
+
+	/* set port link up */
+	ret = sssnic_ethdev_set_link_up(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to set port link up");
+		goto stop_queues;
+	}
+
+	PMD_DRV_LOG(INFO, "Port %u is started", ethdev->data->port_id);
+
+	return 0;
+
+stop_queues:
+	sssnic_ethdev_tx_queue_all_stop(ethdev);
+	sssnic_ethdev_rx_queue_all_stop(ethdev);
+clean_port_res:
+	sssnic_ethdev_resource_clean(ethdev);
+rx_mode_reset:
+	sssnic_ethdev_rx_mode_set(ethdev, SSSNIC_ETHDEV_RX_MODE_NONE);
+rxtx_ctx_clean:
+	sssnic_ethdev_rxtx_ctx_clean(ethdev);
+rx_intr_shutdown:
+	sssnic_ethdev_rx_intr_shutdown(ethdev);
+link_intr_enable:
+	sssnic_ethdev_link_intr_enable(ethdev);
+	return ret;
+}
+
+static int
+sssnic_ethdev_stop(struct rte_eth_dev *ethdev)
+{
+	struct rte_eth_link linkstatus = { 0 };
+	int ret;
+
+	/* disable link event */
+	sssnic_ethdev_link_intr_disable(ethdev);
+
+	/* set link down */
+	ret = sssnic_ethdev_set_link_down(ethdev);
+	if (ret != 0)
+		PMD_DRV_LOG(WARNING, "Failed to set port %u link down",
+			ethdev->data->port_id);
+
+	rte_eth_linkstatus_set(ethdev, &linkstatus);
+
+	/* wait for hw to stop rx and tx packet */
+	rte_delay_ms(100);
+
+	/* stop all tx queues */
+	sssnic_ethdev_tx_queue_all_stop(ethdev);
+
+	/* stop all rx queues */
+	sssnic_ethdev_rx_queue_all_stop(ethdev);
+
+	/* clean hardware resource */
+	sssnic_ethdev_resource_clean(ethdev);
+
+	/* shut down rx queue interrupt */
+	sssnic_ethdev_rx_intr_shutdown(ethdev);
+
+	/* clean rxtx context */
+	sssnic_ethdev_rxtx_ctx_clean(ethdev);
+
+	/* enable link event */
+	sssnic_ethdev_link_intr_enable(ethdev);
+
+	PMD_DRV_LOG(INFO, "Port %u is stopped", ethdev->data->port_id);
+
+	return 0;
+}
+
 static const struct eth_dev_ops sssnic_ethdev_ops = {
+	.dev_start = sssnic_ethdev_start,
+	.dev_stop = sssnic_ethdev_stop,
 	.dev_set_link_up = sssnic_ethdev_set_link_up,
 	.dev_set_link_down = sssnic_ethdev_set_link_down,
 	.link_update = sssnic_ethdev_link_update,
@@ -428,6 +708,10 @@ sssnic_ethdev_uninit(struct rte_eth_dev *ethdev)
 	if (ethdev->state == RTE_ETH_DEV_UNUSED)
 		return 0;
 
+	/* stop ethdev first */
+	if (ethdev->data->dev_started)
+		sssnic_ethdev_stop(ethdev);
+
 	sssnic_ethdev_release(ethdev);
 
 	return 0;
diff --git a/drivers/net/sssnic/sssnic_ethdev.h b/drivers/net/sssnic/sssnic_ethdev.h
index 38e6dc0d62..1f1e991780 100644
--- a/drivers/net/sssnic/sssnic_ethdev.h
+++ b/drivers/net/sssnic/sssnic_ethdev.h
@@ -59,6 +59,25 @@
 #define SSSNIC_ETHDEV_DEF_RX_FREE_THRESH 32
 #define SSSNIC_ETHDEV_DEF_TX_FREE_THRESH 32
 
+#define SSSNIC_ETHDEV_DEFAULT_FEATURES 0x3fff
+
+enum sssnic_ethdev_rx_mode {
+	SSSNIC_ETHDEV_RX_MODE_NONE = 0,
+	SSSNIC_ETHDEV_RX_UCAST = RTE_BIT32(0),
+	SSSNIC_ETHDEV_RX_MCAST = RTE_BIT32(1),
+	SSSNIC_ETHDEV_RX_BCAST = RTE_BIT32(2),
+	SSSNIC_ETHDEV_RX_ALL_MCAST = RTE_BIT32(3),
+	SSSNIC_ETHDEV_RX_PROMISC = RTE_BIT32(4),
+	SSSNIC_ETHDEV_RX_MODE_INVAL = RTE_BIT32(5),
+};
+
+#define SSSNIC_ETHDEV_DEF_RX_MODE                                              \
+	(SSSNIC_ETHDEV_RX_UCAST | SSSNIC_ETHDEV_RX_MCAST |                     \
+		SSSNIC_ETHDEV_RX_BCAST)
+
+#define SSSNIC_ETHDEV_LRO_BUF_SIZE 1024
+#define SSSNIC_ETHDEV_LRO_TIMER 16
+
 struct sssnic_netdev {
 	void *hw;
 	struct rte_ether_addr *mcast_addrs;
@@ -67,6 +86,8 @@ struct sssnic_netdev {
 	uint16_t max_num_rxq;
 	uint16_t num_started_rxqs;
 	uint16_t num_started_txqs;
+	uint16_t max_rx_size;
+	uint32_t rx_mode;
 };
 
 #define SSSNIC_ETHDEV_PRIVATE(eth_dev)                                         \
diff --git a/drivers/net/sssnic/sssnic_ethdev_rx.c b/drivers/net/sssnic/sssnic_ethdev_rx.c
index 9c1b2f20d1..fd4975dfd5 100644
--- a/drivers/net/sssnic/sssnic_ethdev_rx.c
+++ b/drivers/net/sssnic/sssnic_ethdev_rx.c
@@ -185,7 +185,7 @@ sssnic_ethdev_rxq_doorbell_ring(struct sssnic_ethdev_rxq *rxq, uint16_t pi)
 	db.qid = rxq->qid;
 	db.pi_hi = (hw_pi >> 8) & 0xff;
 
-	db_addr = (uint64_t *)(rxq->doorbell + (hw_pi & 0xff));
+	db_addr = ((uint64_t *)rxq->doorbell) + (hw_pi & 0xff);
 
 	rte_write64(db.u64, db_addr);
 }
@@ -885,3 +885,271 @@ sssnic_ethdev_rx_intr_shutdown(struct rte_eth_dev *ethdev)
 	rte_intr_efd_disable(intr_handle);
 	rte_intr_vec_list_free(intr_handle);
 }
+
+uint16_t
+sssnic_ethdev_rx_max_size_determine(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_ethdev_rxq *rxq;
+	uint16_t max_size = 0;
+	uint16_t i;
+
+	for (i = 0; i < ethdev->data->nb_rx_queues; i++) {
+		rxq = ethdev->data->rx_queues[i];
+		if (rxq->rx_buf_size > max_size)
+			max_size = rxq->rx_buf_size;
+	}
+
+	return max_size;
+}
+
+static void
+sssnic_ethdev_rxq_ctx_build(struct sssnic_ethdev_rxq *rxq,
+	struct sssnic_rxq_ctx *rxq_ctx)
+{
+	uint16_t hw_ci, hw_pi;
+	uint64_t pfn;
+
+	hw_ci = sssnic_ethdev_rxq_ci_get(rxq) << 1;
+	hw_pi = sssnic_ethdev_rxq_pi_get(rxq) << 1;
+
+	/* dw0 */
+	rxq_ctx->pi = hw_pi;
+	rxq_ctx->ci = hw_ci;
+
+	/* dw1 */
+	rxq_ctx->msix_id = rxq->intr.msix_id;
+	rxq_ctx->intr_dis = !rxq->intr.enable;
+
+	/* workq buf phyaddress PFN, size = 4K */
+	pfn = SSSNIC_WORKQ_BUF_PHYADDR(rxq->workq) >> 12;
+
+	/* dw2 */
+	rxq_ctx->wq_pfn_hi = SSSNIC_UPPER_32_BITS(pfn);
+	rxq_ctx->wqe_type = 2;
+	rxq_ctx->wq_owner = 1;
+
+	/* dw3 */
+	rxq_ctx->wq_pfn_lo = SSSNIC_LOWER_32_BITS(pfn);
+
+	/* dw4, dw5, dw6 are reserved */
+
+	/* dw7 */
+	rxq_ctx->rxd_len = 1;
+
+	/* dw8 */
+	rxq_ctx->pre_cache_thd = 256;
+	rxq_ctx->pre_cache_max = 6;
+	rxq_ctx->pre_cache_min = 1;
+
+	/* dw9 */
+	rxq_ctx->pre_ci_hi = (hw_ci >> 12) & 0xf;
+	rxq_ctx->pre_owner = 1;
+
+	/* dw10 */
+	rxq_ctx->pre_wq_pfn_hi = SSSNIC_UPPER_32_BITS(pfn);
+	rxq_ctx->pre_ci_lo = hw_ci & 0xfff;
+
+	/* dw11 */
+	rxq_ctx->pre_wq_pfn_lo = SSSNIC_LOWER_32_BITS(pfn);
+
+	/* dw12 */
+	rxq_ctx->pi_addr_hi = SSSNIC_UPPER_32_BITS(rxq->pi_mz->iova);
+
+	/* dw13 */
+	rxq_ctx->pi_addr_lo = SSSNIC_LOWER_32_BITS(rxq->pi_mz->iova);
+
+	/* workq buf block PFN, size = 512B */
+	pfn = SSSNIC_WORKQ_BUF_PHYADDR(rxq->workq) >> 9;
+
+	/* dw14 */
+	rxq_ctx->wq_blk_pfn_hi = SSSNIC_UPPER_32_BITS(pfn);
+
+	/* dw15 */
+	rxq_ctx->wq_blk_pfn_lo = SSSNIC_LOWER_32_BITS(pfn);
+}
+
+int
+sssnic_ethdev_rx_queues_ctx_init(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	struct sssnic_ethdev_rxq *rxq;
+	struct sssnic_rxq_ctx *qctx;
+	uint16_t qid, numq;
+	int ret;
+
+	numq = ethdev->data->nb_rx_queues;
+
+	qctx = rte_zmalloc(NULL, numq * sizeof(struct sssnic_rxq_ctx), 0);
+	if (qctx == NULL) {
+		PMD_DRV_LOG(ERR, "Failed to alloc memory for rxq ctx");
+		return -EINVAL;
+	}
+
+	for (qid = 0; qid < numq; qid++) {
+		rxq = ethdev->data->rx_queues[qid];
+
+		/* reset ci and pi */
+		sssnic_workq_reset(rxq->workq);
+
+		sssnic_ethdev_rxq_ctx_build(rxq, &qctx[qid]);
+	}
+
+	ret = sssnic_rxq_ctx_set(hw, qctx, 0, numq);
+	rte_free(qctx);
+
+	return ret;
+}
+
+int
+sssnic_ethdev_rx_offload_ctx_reset(struct rte_eth_dev *ethdev)
+{
+	return sssnic_rx_offload_ctx_reset(SSSNIC_ETHDEV_TO_HW(ethdev));
+}
+
+uint16_t
+sssnic_ethdev_rx_queue_depth_get(struct rte_eth_dev *ethdev, uint16_t qid)
+{
+	struct sssnic_ethdev_rxq *rxq;
+
+	if (qid >= ethdev->data->nb_rx_queues)
+		return 0;
+
+	rxq = ethdev->data->rx_queues[qid];
+
+	return rxq->depth;
+};
+
+uint32_t
+sssnic_ethdev_rx_buf_size_index_get(uint16_t rx_buf_size)
+{
+	uint32_t i;
+
+	for (i = 0; i < SSSNIC_ETHDEV_RX_BUF_SIZE_COUNT; i++) {
+		if (rx_buf_size == sssnic_ethdev_rx_buf_size_tbl[i])
+			return i;
+	}
+
+	return SSSNIC_ETHDEV_DEF_RX_BUF_SIZE_IDX;
+}
+
+int
+sssnic_ethdev_rx_mode_set(struct rte_eth_dev *ethdev, uint32_t mode)
+{
+	struct sssnic_netdev *netdev = SSSNIC_ETHDEV_PRIVATE(ethdev);
+	int ret;
+
+	ret = sssnic_port_rx_mode_set(SSSNIC_ETHDEV_TO_HW(ethdev), mode);
+	if (ret != 0)
+		return ret;
+
+	netdev->rx_mode = mode;
+
+	PMD_DRV_LOG(DEBUG, "Set rx_mode to %x", mode);
+
+	return 0;
+}
+
+static int
+sssnic_ethdev_lro_setup(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	struct rte_eth_conf *dev_conf = &ethdev->data->dev_conf;
+	bool enable;
+	uint8_t num_lro_bufs;
+	uint32_t max_lro_pkt_size;
+	uint32_t timer = SSSNIC_ETHDEV_LRO_TIMER;
+	int ret;
+
+	if (dev_conf->rxmode.offloads & RTE_ETH_RX_OFFLOAD_TCP_LRO)
+		enable = true;
+	else
+		enable = false;
+
+	max_lro_pkt_size = dev_conf->rxmode.max_lro_pkt_size;
+	num_lro_bufs = max_lro_pkt_size / SSSNIC_ETHDEV_LRO_BUF_SIZE;
+
+	if (num_lro_bufs == 0)
+		num_lro_bufs = 1;
+
+	ret = sssnic_lro_enable_set(hw, enable, enable, num_lro_bufs);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to %s LRO",
+			enable ? "enable" : "disable");
+		return ret;
+	}
+
+	ret = sssnic_lro_timer_set(hw, timer);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to set lro timer to %u", timer);
+		return ret;
+	}
+
+	PMD_DRV_LOG(INFO,
+		"%s LRO, max_lro_pkt_size: %u, num_lro_bufs: %u, lro_timer: %u",
+		enable ? "Enabled" : "Disabled", max_lro_pkt_size, num_lro_bufs,
+		timer);
+
+	return 0;
+}
+
+static int
+sssnic_ethdev_rx_vlan_offload_setup(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	struct rte_eth_conf *dev_conf = &ethdev->data->dev_conf;
+	bool vlan_strip_en;
+	uint32_t vlan_filter_en;
+	int ret;
+
+	if (dev_conf->rxmode.offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP)
+		vlan_strip_en = true;
+	else
+		vlan_strip_en = false;
+
+	ret = sssnic_vlan_strip_enable_set(hw, vlan_strip_en);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to %s VLAN strip",
+			vlan_strip_en ? "enable" : "disable");
+		return ret;
+	}
+
+	PMD_DRV_LOG(INFO, "%s VLAN strip",
+		vlan_strip_en ? "Enabled" : "Disabled");
+
+	if (dev_conf->rxmode.offloads & RTE_ETH_RX_OFFLOAD_VLAN_FILTER)
+		vlan_filter_en = true;
+	else
+		vlan_filter_en = false;
+
+	ret = sssnic_vlan_filter_enable_set(hw, vlan_filter_en);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to %s VLAN filter",
+			vlan_filter_en ? "enable" : "disable");
+		return ret;
+	}
+
+	PMD_DRV_LOG(ERR, "%s VLAN filter",
+		vlan_filter_en ? "Enabled" : "Disabled");
+
+	return 0;
+}
+
+int
+sssnic_ethdev_rx_offload_setup(struct rte_eth_dev *ethdev)
+{
+	int ret;
+
+	ret = sssnic_ethdev_lro_setup(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to setup LRO");
+		return ret;
+	}
+
+	ret = sssnic_ethdev_rx_vlan_offload_setup(ethdev);
+	if (ret != 0) {
+		PMD_DRV_LOG(ERR, "Failed to setup rx vlan offload");
+		return ret;
+	}
+
+	return 0;
+}
diff --git a/drivers/net/sssnic/sssnic_ethdev_rx.h b/drivers/net/sssnic/sssnic_ethdev_rx.h
index 77a116f4a5..f4b4545944 100644
--- a/drivers/net/sssnic/sssnic_ethdev_rx.h
+++ b/drivers/net/sssnic/sssnic_ethdev_rx.h
@@ -30,5 +30,13 @@ int sssnic_ethdev_rx_queue_intr_disable(struct rte_eth_dev *ethdev,
 	uint16_t qid);
 int sssnic_ethdev_rx_intr_init(struct rte_eth_dev *ethdev);
 void sssnic_ethdev_rx_intr_shutdown(struct rte_eth_dev *ethdev);
+uint16_t sssnic_ethdev_rx_max_size_determine(struct rte_eth_dev *ethdev);
+int sssnic_ethdev_rx_queues_ctx_init(struct rte_eth_dev *ethdev);
+int sssnic_ethdev_rx_offload_ctx_reset(struct rte_eth_dev *ethdev);
+uint16_t sssnic_ethdev_rx_queue_depth_get(struct rte_eth_dev *ethdev,
+	uint16_t qid);
+uint32_t sssnic_ethdev_rx_buf_size_index_get(uint16_t rx_buf_size);
+int sssnic_ethdev_rx_mode_set(struct rte_eth_dev *ethdev, uint32_t mode);
+int sssnic_ethdev_rx_offload_setup(struct rte_eth_dev *ethdev);
 
 #endif
diff --git a/drivers/net/sssnic/sssnic_ethdev_tx.c b/drivers/net/sssnic/sssnic_ethdev_tx.c
index 47d7e3f343..b9c4f97cb3 100644
--- a/drivers/net/sssnic/sssnic_ethdev_tx.c
+++ b/drivers/net/sssnic/sssnic_ethdev_tx.c
@@ -179,6 +179,9 @@ enum sssnic_ethdev_txq_entry_type {
 /* Doorbell offset 4096 */
 #define SSSNIC_ETHDEV_TXQ_DB_OFFSET 0x1000
 
+#define SSSNIC_ETHDEV_TX_CI_DEF_COALESCING_TIME 16
+#define SSSNIC_ETHDEV_TX_CI_DEF_PENDING_TIME 4
+
 static inline uint16_t
 sssnic_ethdev_txq_num_used_entries(struct sssnic_ethdev_txq *txq)
 {
@@ -507,3 +510,163 @@ sssnic_ethdev_tx_queue_all_stop(struct rte_eth_dev *ethdev)
 	for (qid = 0; qid < numq; qid++)
 		sssnic_ethdev_tx_queue_stop(ethdev, qid);
 }
+
+static void
+sssnic_ethdev_txq_ctx_build(struct sssnic_ethdev_txq *txq,
+	struct sssnic_txq_ctx *qctx)
+{
+	uint64_t pfn;
+
+	/* dw0 */
+	qctx->pi = sssnic_ethdev_txq_pi_get(txq);
+	qctx->ci = sssnic_ethdev_txq_ci_get(txq);
+
+	/* dw1 */
+	qctx->sp = 0;
+	qctx->drop = 0;
+
+	/* workq buf phyaddress PFN */
+	pfn = SSSNIC_WORKQ_BUF_PHYADDR(txq->workq) >> 12;
+
+	/* dw2 */
+	qctx->wq_pfn_hi = SSSNIC_UPPER_32_BITS(pfn);
+	qctx->wq_owner = 1;
+
+	/* dw3 */
+	qctx->wq_pfn_lo = SSSNIC_LOWER_32_BITS(pfn);
+
+	/* dw4 reserved */
+
+	/* dw5 */
+	qctx->drop_on_thd = 0xffff;
+	qctx->drop_off_thd = 0;
+
+	/* dw6 */
+	qctx->qid = txq->qid;
+
+	/* dw7 */
+	qctx->insert_mode = 1;
+
+	/* dw8 */
+	qctx->pre_cache_thd = 256;
+	qctx->pre_cache_max = 6;
+	qctx->pre_cache_min = 1;
+
+	/* dw9 */
+	qctx->pre_ci_hi = sssnic_ethdev_txq_ci_get(txq) >> 12;
+	qctx->pre_owner = 1;
+
+	/* dw10 */
+	qctx->pre_wq_pfn_hi = SSSNIC_UPPER_32_BITS(pfn);
+	qctx->pre_ci_lo = sssnic_ethdev_txq_ci_get(txq);
+
+	/* dw11 */
+	qctx->pre_wq_pfn_lo = SSSNIC_LOWER_32_BITS(pfn);
+
+	/* dw12,dw13 are reserved */
+
+	/* workq buf block PFN */
+	pfn = SSSNIC_WORKQ_BUF_PHYADDR(txq->workq) >> 9;
+
+	/* dw14 */
+	qctx->wq_blk_pfn_hi = SSSNIC_UPPER_32_BITS(pfn);
+
+	/* dw15 */
+	qctx->wq_blk_pfn_lo = SSSNIC_LOWER_32_BITS(pfn);
+}
+
+int
+sssnic_ethdev_tx_queues_ctx_init(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	struct sssnic_ethdev_txq *txq;
+	struct sssnic_txq_ctx *qctx;
+	uint16_t qid, numq;
+	int ret;
+
+	numq = ethdev->data->nb_tx_queues;
+
+	qctx = rte_zmalloc(NULL, numq * sizeof(struct sssnic_txq_ctx), 0);
+	if (qctx == NULL) {
+		PMD_DRV_LOG(ERR, "Failed to alloc memory for txq ctx");
+		return -EINVAL;
+	}
+
+	for (qid = 0; qid < numq; qid++) {
+		txq = ethdev->data->tx_queues[qid];
+
+		/* reset ci and pi */
+		sssnic_workq_reset(txq->workq);
+
+		*txq->hw_ci_addr = 0;
+		txq->owner = 1;
+
+		sssnic_ethdev_txq_ctx_build(txq, &qctx[qid]);
+	}
+
+	ret = sssnic_txq_ctx_set(hw, qctx, 0, numq);
+	rte_free(qctx);
+
+	return ret;
+}
+
+int
+sssnic_ethdev_tx_offload_ctx_reset(struct rte_eth_dev *ethdev)
+{
+	return sssnic_tx_offload_ctx_reset(SSSNIC_ETHDEV_TO_HW(ethdev));
+}
+
+uint16_t
+sssnic_ethdev_tx_queue_depth_get(struct rte_eth_dev *ethdev, uint16_t qid)
+{
+	struct sssnic_ethdev_txq *txq;
+
+	if (qid >= ethdev->data->nb_tx_queues)
+		return 0;
+
+	txq = ethdev->data->tx_queues[qid];
+
+	return txq->depth;
+}
+
+int
+sssnic_ethdev_tx_ci_attr_init(struct rte_eth_dev *ethdev)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	struct sssnic_ethdev_txq *txq;
+	uint16_t i;
+	int ret;
+
+	for (i = 0; i < ethdev->data->nb_tx_queues; i++) {
+		txq = ethdev->data->tx_queues[i];
+
+		ret = sssnic_port_tx_ci_attr_set(hw, i,
+			SSSNIC_ETHDEV_TX_CI_DEF_PENDING_TIME,
+			SSSNIC_ETHDEV_TX_CI_DEF_COALESCING_TIME,
+			txq->ci_mz->iova);
+
+		if (ret != 0) {
+			PMD_DRV_LOG(ERR,
+				"Failed to initialize tx ci attributes of queue %u",
+				i);
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+int
+sssnic_ethdev_tx_max_size_set(struct rte_eth_dev *ethdev, uint16_t size)
+{
+	struct sssnic_hw *hw = SSSNIC_ETHDEV_TO_HW(ethdev);
+	int ret;
+
+	ret = sssnic_tx_max_size_set(hw, size);
+	if (ret != 0)
+		return ret;
+
+	PMD_DRV_LOG(INFO, "Set tx_max_size to %u", size);
+
+	return 0;
+};
diff --git a/drivers/net/sssnic/sssnic_ethdev_tx.h b/drivers/net/sssnic/sssnic_ethdev_tx.h
index 3de9e899a0..88ad82a055 100644
--- a/drivers/net/sssnic/sssnic_ethdev_tx.h
+++ b/drivers/net/sssnic/sssnic_ethdev_tx.h
@@ -27,5 +27,11 @@ int sssnic_ethdev_tx_queue_start(struct rte_eth_dev *ethdev, uint16_t queue_id);
 int sssnic_ethdev_tx_queue_stop(struct rte_eth_dev *ethdev, uint16_t queue_id);
 int sssnic_ethdev_tx_queue_all_start(struct rte_eth_dev *ethdev);
 void sssnic_ethdev_tx_queue_all_stop(struct rte_eth_dev *ethdev);
+int sssnic_ethdev_tx_queues_ctx_init(struct rte_eth_dev *ethdev);
+int sssnic_ethdev_tx_offload_ctx_reset(struct rte_eth_dev *ethdev);
+uint16_t sssnic_ethdev_tx_queue_depth_get(struct rte_eth_dev *ethdev,
+	uint16_t qid);
+int sssnic_ethdev_tx_ci_attr_init(struct rte_eth_dev *ethdev);
+int sssnic_ethdev_tx_max_size_set(struct rte_eth_dev *ethdev, uint16_t size);
 
 #endif /* _SSSNIC_ETHDEV_TX_H_ */
-- 
2.27.0