[v2,17/19] net/mlx5/hws: Add HWS action object

diff --git a/drivers/net/mlx5/hws/mlx5dr_action.c b/drivers/net/mlx5/hws/mlx5dr_action.c
new file mode 100644
index 0000000000..d3eb091498
--- /dev/null
+++ b/drivers/net/mlx5/hws/mlx5dr_action.c
@@ -0,0 +1,2221 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2022 NVIDIA Corporation & Affiliates
+ */
+
+#include "mlx5dr_internal.h"
+
+#define WIRE_PORT 0xFFFF
+
+#define MLX5DR_ACTION_METER_INIT_COLOR_OFFSET 1
+
+/* This is the maximum allowed action order for each table type:
+ *	 TX: POP_VLAN, CTR, ASO_METER, AS_CT, PUSH_VLAN, MODIFY, ENCAP, Term
+ *	 RX: TAG, DECAP, POP_VLAN, CTR, ASO_METER, ASO_CT, PUSH_VLAN, MODIFY,
+ *	     ENCAP, Term
+ *	FDB: DECAP, POP_VLAN, CTR, ASO_METER, ASO_CT, PUSH_VLAN, MODIFY,
+ *	     ENCAP, Term
+ */
+static const uint32_t action_order_arr[MLX5DR_TABLE_TYPE_MAX][MLX5DR_ACTION_TYP_MAX] = {
+	[MLX5DR_TABLE_TYPE_NIC_RX] = {
+		BIT(MLX5DR_ACTION_TYP_TAG),
+		BIT(MLX5DR_ACTION_TYP_TNL_L2_TO_L2) |
+		BIT(MLX5DR_ACTION_TYP_TNL_L3_TO_L2),
+		BIT(MLX5DR_ACTION_TYP_POP_VLAN),
+		BIT(MLX5DR_ACTION_TYP_POP_VLAN),
+		BIT(MLX5DR_ACTION_TYP_CTR),
+		BIT(MLX5DR_ACTION_TYP_ASO_METER),
+		BIT(MLX5DR_ACTION_TYP_ASO_CT),
+		BIT(MLX5DR_ACTION_TYP_PUSH_VLAN),
+		BIT(MLX5DR_ACTION_TYP_PUSH_VLAN),
+		BIT(MLX5DR_ACTION_TYP_MODIFY_HDR),
+		BIT(MLX5DR_ACTION_TYP_L2_TO_TNL_L2) |
+		BIT(MLX5DR_ACTION_TYP_L2_TO_TNL_L3),
+		BIT(MLX5DR_ACTION_TYP_FT) |
+		BIT(MLX5DR_ACTION_TYP_MISS) |
+		BIT(MLX5DR_ACTION_TYP_TIR) |
+		BIT(MLX5DR_ACTION_TYP_DROP),
+		BIT(MLX5DR_ACTION_TYP_LAST),
+	},
+	[MLX5DR_TABLE_TYPE_NIC_TX] = {
+		BIT(MLX5DR_ACTION_TYP_POP_VLAN),
+		BIT(MLX5DR_ACTION_TYP_POP_VLAN),
+		BIT(MLX5DR_ACTION_TYP_CTR),
+		BIT(MLX5DR_ACTION_TYP_ASO_METER),
+		BIT(MLX5DR_ACTION_TYP_ASO_CT),
+		BIT(MLX5DR_ACTION_TYP_PUSH_VLAN),
+		BIT(MLX5DR_ACTION_TYP_PUSH_VLAN),
+		BIT(MLX5DR_ACTION_TYP_MODIFY_HDR),
+		BIT(MLX5DR_ACTION_TYP_L2_TO_TNL_L2) |
+		BIT(MLX5DR_ACTION_TYP_L2_TO_TNL_L3),
+		BIT(MLX5DR_ACTION_TYP_FT) |
+		BIT(MLX5DR_ACTION_TYP_MISS) |
+		BIT(MLX5DR_ACTION_TYP_DROP),
+		BIT(MLX5DR_ACTION_TYP_LAST),
+	},
+	[MLX5DR_TABLE_TYPE_FDB] = {
+		BIT(MLX5DR_ACTION_TYP_TNL_L2_TO_L2) |
+		BIT(MLX5DR_ACTION_TYP_TNL_L3_TO_L2),
+		BIT(MLX5DR_ACTION_TYP_POP_VLAN),
+		BIT(MLX5DR_ACTION_TYP_POP_VLAN),
+		BIT(MLX5DR_ACTION_TYP_CTR),
+		BIT(MLX5DR_ACTION_TYP_ASO_METER),
+		BIT(MLX5DR_ACTION_TYP_ASO_CT),
+		BIT(MLX5DR_ACTION_TYP_PUSH_VLAN),
+		BIT(MLX5DR_ACTION_TYP_PUSH_VLAN),
+		BIT(MLX5DR_ACTION_TYP_MODIFY_HDR),
+		BIT(MLX5DR_ACTION_TYP_L2_TO_TNL_L2) |
+		BIT(MLX5DR_ACTION_TYP_L2_TO_TNL_L3),
+		BIT(MLX5DR_ACTION_TYP_FT) |
+		BIT(MLX5DR_ACTION_TYP_MISS) |
+		BIT(MLX5DR_ACTION_TYP_VPORT) |
+		BIT(MLX5DR_ACTION_TYP_DROP),
+		BIT(MLX5DR_ACTION_TYP_LAST),
+	},
+};
+
+static int mlx5dr_action_get_shared_stc_nic(struct mlx5dr_context *ctx,
+					    enum mlx5dr_context_shared_stc_type stc_type,
+					    uint8_t tbl_type)
+{
+	struct mlx5dr_cmd_stc_modify_attr stc_attr = {0};
+	struct mlx5dr_action_shared_stc *shared_stc;
+	int ret;
+
+	pthread_spin_lock(&ctx->ctrl_lock);
+	if (ctx->common_res[tbl_type].shared_stc[stc_type]) {
+		rte_atomic32_add(&ctx->common_res[tbl_type].shared_stc[stc_type]->refcount, 1);
+		pthread_spin_unlock(&ctx->ctrl_lock);
+		return 0;
+	}
+
+	shared_stc = simple_calloc(1, sizeof(*shared_stc));
+	if (!shared_stc) {
+		DR_LOG(ERR, "Failed to allocate memory for shared STCs");
+		rte_errno = ENOMEM;
+		goto unlock_and_out;
+	}
+	switch (stc_type) {
+	case MLX5DR_CONTEXT_SHARED_STC_DECAP:
+		stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_REMOVE;
+		stc_attr.action_offset = MLX5DR_ACTION_OFFSET_DW5;
+		stc_attr.remove_header.decap = 0;
+		stc_attr.remove_header.start_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
+		stc_attr.remove_header.end_anchor = MLX5_HEADER_ANCHOR_IPV6_IPV4;
+		break;
+	case MLX5DR_CONTEXT_SHARED_STC_POP:
+		stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_REMOVE_WORDS;
+		stc_attr.action_offset = MLX5DR_ACTION_OFFSET_DW5;
+		stc_attr.remove_words.start_anchor = MLX5_HEADER_ANCHOR_FIRST_VLAN_START;
+		stc_attr.remove_words.num_of_words = MLX5DR_ACTION_HDR_LEN_L2_VLAN;
+		break;
+	default:
+		DR_LOG(ERR, "No such type : stc_type\n");
+		assert(false);
+		rte_errno = EINVAL;
+		goto unlock_and_out;
+	}
+
+	ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
+					     &shared_stc->remove_header);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate shared decap l2 STC");
+		goto free_shared_stc;
+	}
+
+	ctx->common_res[tbl_type].shared_stc[stc_type] = shared_stc;
+
+	rte_atomic32_init(&ctx->common_res[tbl_type].shared_stc[stc_type]->refcount);
+	rte_atomic32_set(&ctx->common_res[tbl_type].shared_stc[stc_type]->refcount, 1);
+
+	pthread_spin_unlock(&ctx->ctrl_lock);
+
+	return 0;
+
+free_shared_stc:
+	simple_free(shared_stc);
+unlock_and_out:
+	pthread_spin_unlock(&ctx->ctrl_lock);
+	return rte_errno;
+}
+
+static void mlx5dr_action_put_shared_stc_nic(struct mlx5dr_context *ctx,
+					     enum mlx5dr_context_shared_stc_type stc_type,
+					     uint8_t tbl_type)
+{
+	struct mlx5dr_action_shared_stc *shared_stc;
+
+	pthread_spin_lock(&ctx->ctrl_lock);
+	if (!rte_atomic32_dec_and_test(&ctx->common_res[tbl_type].shared_stc[stc_type]->refcount)) {
+		pthread_spin_unlock(&ctx->ctrl_lock);
+		return;
+	}
+
+	shared_stc = ctx->common_res[tbl_type].shared_stc[stc_type];
+
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &shared_stc->remove_header);
+	simple_free(shared_stc);
+	ctx->common_res[tbl_type].shared_stc[stc_type] = NULL;
+	pthread_spin_unlock(&ctx->ctrl_lock);
+}
+
+static int mlx5dr_action_get_shared_stc(struct mlx5dr_action *action,
+					enum mlx5dr_context_shared_stc_type stc_type)
+{
+	struct mlx5dr_context *ctx = action->ctx;
+	int ret;
+
+	if (stc_type >= MLX5DR_CONTEXT_SHARED_STC_MAX) {
+		assert(false);
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_RX) {
+		ret = mlx5dr_action_get_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_NIC_RX);
+		if (ret) {
+			DR_LOG(ERR, "Failed to allocate memory for RX shared STCs (type: %d)",
+			       stc_type);
+			return ret;
+		}
+	}
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_TX) {
+		ret = mlx5dr_action_get_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_NIC_TX);
+		if (ret) {
+			DR_LOG(ERR, "Failed to allocate memory for TX shared STCs(type: %d)",
+			       stc_type);
+			goto clean_nic_rx_stc;
+		}
+	}
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_FDB) {
+		ret = mlx5dr_action_get_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_FDB);
+		if (ret) {
+			DR_LOG(ERR, "Failed to allocate memory for FDB shared STCs (type: %d)",
+			       stc_type);
+			goto clean_nic_tx_stc;
+		}
+	}
+
+	return 0;
+
+clean_nic_tx_stc:
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_TX)
+		mlx5dr_action_put_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_NIC_TX);
+clean_nic_rx_stc:
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_RX)
+		mlx5dr_action_put_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_NIC_RX);
+
+	return ret;
+}
+
+static void mlx5dr_action_put_shared_stc(struct mlx5dr_action *action,
+					 enum mlx5dr_context_shared_stc_type stc_type)
+{
+	struct mlx5dr_context *ctx = action->ctx;
+
+	if (stc_type >= MLX5DR_CONTEXT_SHARED_STC_MAX) {
+		assert(false);
+		return;
+	}
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_RX)
+		mlx5dr_action_put_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_NIC_RX);
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_TX)
+		mlx5dr_action_put_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_NIC_TX);
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_FDB)
+		mlx5dr_action_put_shared_stc_nic(ctx, stc_type, MLX5DR_TABLE_TYPE_FDB);
+}
+
+static void mlx5dr_action_print_combo(enum mlx5dr_action_type *user_actions)
+{
+	DR_LOG(ERR, "Invalid action_type sequence");
+	while (*user_actions != MLX5DR_ACTION_TYP_LAST) {
+		DR_LOG(ERR, "%s", mlx5dr_debug_action_type_to_str(*user_actions));
+		user_actions++;
+	}
+}
+
+bool mlx5dr_action_check_combo(enum mlx5dr_action_type *user_actions,
+			       enum mlx5dr_table_type table_type)
+{
+	const uint32_t *order_arr = action_order_arr[table_type];
+	uint8_t order_idx = 0;
+	uint8_t user_idx = 0;
+	bool valid_combo;
+
+	while (order_arr[order_idx] != BIT(MLX5DR_ACTION_TYP_LAST)) {
+		/* User action order validated move to next user action */
+		if (BIT(user_actions[user_idx]) & order_arr[order_idx])
+			user_idx++;
+
+		/* Iterate to the next supported action in the order */
+		order_idx++;
+	}
+
+	/* Combination is valid if all user action were processed */
+	valid_combo = user_actions[user_idx] == MLX5DR_ACTION_TYP_LAST;
+	if (!valid_combo)
+		mlx5dr_action_print_combo(user_actions);
+
+	return valid_combo;
+}
+
+int mlx5dr_action_root_build_attr(struct mlx5dr_rule_action rule_actions[],
+				  uint32_t num_actions,
+				  struct mlx5dv_flow_action_attr *attr)
+{
+	struct mlx5dr_action *action;
+	uint32_t i;
+
+	for (i = 0; i < num_actions; i++) {
+		action = rule_actions[i].action;
+
+		switch (action->type) {
+		case MLX5DR_ACTION_TYP_FT:
+		case MLX5DR_ACTION_TYP_TIR:
+			attr[i].type = MLX5DV_FLOW_ACTION_DEST_DEVX;
+			attr[i].obj = action->devx_obj;
+			break;
+		case MLX5DR_ACTION_TYP_TAG:
+			attr[i].type = MLX5DV_FLOW_ACTION_TAG;
+			attr[i].tag_value = rule_actions[i].tag.value;
+			break;
+#ifdef HAVE_MLX5_DR_CREATE_ACTION_DEFAULT_MISS
+		case MLX5DR_ACTION_TYP_MISS:
+			attr[i].type = MLX5DV_FLOW_ACTION_DEFAULT_MISS;
+			break;
+#endif
+		case MLX5DR_ACTION_TYP_DROP:
+			attr[i].type = MLX5DV_FLOW_ACTION_DROP;
+			break;
+		case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+		case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+		case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+		case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+		case MLX5DR_ACTION_TYP_MODIFY_HDR:
+			attr[i].type = MLX5DV_FLOW_ACTION_IBV_FLOW_ACTION;
+			attr[i].action = action->flow_action;
+			break;
+#ifdef HAVE_IBV_FLOW_DEVX_COUNTERS
+		case MLX5DR_ACTION_TYP_CTR:
+			attr[i].type = MLX5DV_FLOW_ACTION_COUNTERS_DEVX;
+			attr[i].obj = action->devx_obj;
+
+			if (rule_actions[i].counter.offset) {
+				DR_LOG(ERR, "Counter offset not supported over root");
+				rte_errno = ENOTSUP;
+				return rte_errno;
+			}
+			break;
+#endif
+		default:
+			DR_LOG(ERR, "Found unsupported action type: %d", action->type);
+			rte_errno = ENOTSUP;
+			return rte_errno;
+		}
+	}
+
+	return 0;
+}
+
+static bool mlx5dr_action_fixup_stc_attr(struct mlx5dr_cmd_stc_modify_attr *stc_attr,
+					 struct mlx5dr_cmd_stc_modify_attr *fixup_stc_attr,
+					 enum mlx5dr_table_type table_type,
+					 bool is_mirror)
+{
+	struct mlx5dr_devx_obj *devx_obj;
+	bool use_fixup = false;
+	uint32_t fw_tbl_type;
+
+	fw_tbl_type = mlx5dr_table_get_res_fw_ft_type(table_type, is_mirror);
+
+	switch (stc_attr->action_type) {
+	case MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_STE_TABLE:
+		if (!is_mirror)
+			devx_obj = mlx5dr_pool_chunk_get_base_devx_obj(stc_attr->ste_table.ste_pool,
+								       &stc_attr->ste_table.ste);
+		else
+			devx_obj =
+			mlx5dr_pool_chunk_get_base_devx_obj_mirror(stc_attr->ste_table.ste_pool,
+								   &stc_attr->ste_table.ste);
+
+		*fixup_stc_attr = *stc_attr;
+		fixup_stc_attr->ste_table.ste_obj_id = devx_obj->id;
+		use_fixup = true;
+		break;
+
+	case MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_VPORT:
+		if (stc_attr->vport.vport_num != WIRE_PORT)
+			break;
+
+		if (fw_tbl_type == FS_FT_FDB_RX) {
+			/* The FW doesn't allow to go back to wire in RX, so change it to DROP */
+			fixup_stc_attr->action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
+			fixup_stc_attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+			fixup_stc_attr->stc_offset = stc_attr->stc_offset;
+		} else if (fw_tbl_type == FS_FT_FDB_TX) {
+			/*The FW doesn't allow to go to wire in the TX by JUMP_TO_VPORT*/
+			fixup_stc_attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_UPLINK;
+			fixup_stc_attr->action_offset = stc_attr->action_offset;
+			fixup_stc_attr->stc_offset = stc_attr->stc_offset;
+			fixup_stc_attr->vport.vport_num = 0;
+			fixup_stc_attr->vport.esw_owner_vhca_id = stc_attr->vport.esw_owner_vhca_id;
+		}
+		use_fixup = true;
+		break;
+
+	default:
+		break;
+	}
+
+	return use_fixup;
+}
+
+int mlx5dr_action_alloc_single_stc(struct mlx5dr_context *ctx,
+				   struct mlx5dr_cmd_stc_modify_attr *stc_attr,
+				   uint32_t table_type,
+				   struct mlx5dr_pool_chunk *stc)
+{
+	struct mlx5dr_cmd_stc_modify_attr cleanup_stc_attr = {0};
+	struct mlx5dr_pool *stc_pool = ctx->stc_pool[table_type];
+	struct mlx5dr_cmd_stc_modify_attr fixup_stc_attr = {0};
+	struct mlx5dr_devx_obj *devx_obj_0;
+	bool use_fixup;
+	int ret;
+
+	ret = mlx5dr_pool_chunk_alloc(stc_pool, stc);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate single action STC");
+		return ret;
+	}
+
+	stc_attr->stc_offset = stc->offset;
+	devx_obj_0 = mlx5dr_pool_chunk_get_base_devx_obj(stc_pool, stc);
+
+	/* According to table/action limitation change the stc_attr */
+	use_fixup = mlx5dr_action_fixup_stc_attr(stc_attr, &fixup_stc_attr, table_type, false);
+	ret = mlx5dr_cmd_stc_modify(devx_obj_0, use_fixup ? &fixup_stc_attr : stc_attr);
+	if (ret) {
+		DR_LOG(ERR, "Failed to modify STC action_type %d tbl_type %d",
+		       stc_attr->action_type, table_type);
+		goto free_chunk;
+	}
+
+	/* Modify the FDB peer */
+	if (table_type == MLX5DR_TABLE_TYPE_FDB) {
+		struct mlx5dr_devx_obj *devx_obj_1;
+
+		devx_obj_1 = mlx5dr_pool_chunk_get_base_devx_obj_mirror(stc_pool, stc);
+
+		use_fixup = mlx5dr_action_fixup_stc_attr(stc_attr, &fixup_stc_attr,
+							 table_type, true);
+		ret = mlx5dr_cmd_stc_modify(devx_obj_1, use_fixup ? &fixup_stc_attr : stc_attr);
+		if (ret) {
+			DR_LOG(ERR, "Failed to modify peer STC action_type %d tbl_type %d",
+			       stc_attr->action_type, table_type);
+			goto clean_devx_obj_0;
+		}
+	}
+
+	return 0;
+
+clean_devx_obj_0:
+	cleanup_stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
+	cleanup_stc_attr.action_offset = MLX5DR_ACTION_OFFSET_HIT;
+	cleanup_stc_attr.stc_offset = stc->offset;
+	mlx5dr_cmd_stc_modify(devx_obj_0, &cleanup_stc_attr);
+free_chunk:
+	mlx5dr_pool_chunk_free(stc_pool, stc);
+	return rte_errno;
+}
+
+void mlx5dr_action_free_single_stc(struct mlx5dr_context *ctx,
+				   uint32_t table_type,
+				   struct mlx5dr_pool_chunk *stc)
+{
+	struct mlx5dr_pool *stc_pool = ctx->stc_pool[table_type];
+	struct mlx5dr_cmd_stc_modify_attr stc_attr = {0};
+	struct mlx5dr_devx_obj *devx_obj;
+
+	/* Modify the STC not to point to an object */
+	stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
+	stc_attr.action_offset = MLX5DR_ACTION_OFFSET_HIT;
+	stc_attr.stc_offset = stc->offset;
+	devx_obj = mlx5dr_pool_chunk_get_base_devx_obj(stc_pool, stc);
+	mlx5dr_cmd_stc_modify(devx_obj, &stc_attr);
+
+	if (table_type == MLX5DR_TABLE_TYPE_FDB) {
+		devx_obj = mlx5dr_pool_chunk_get_base_devx_obj_mirror(stc_pool, stc);
+		mlx5dr_cmd_stc_modify(devx_obj, &stc_attr);
+	}
+
+	mlx5dr_pool_chunk_free(stc_pool, stc);
+}
+
+static uint32_t mlx5dr_action_get_mh_stc_type(__be64 pattern)
+{
+	uint8_t action_type = MLX5_GET(set_action_in, &pattern, action_type);
+
+	switch (action_type) {
+	case MLX5_MODIFICATION_TYPE_SET:
+		return MLX5_IFC_STC_ACTION_TYPE_SET;
+	case MLX5_MODIFICATION_TYPE_ADD:
+		return MLX5_IFC_STC_ACTION_TYPE_ADD;
+	case MLX5_MODIFICATION_TYPE_COPY:
+		return MLX5_IFC_STC_ACTION_TYPE_COPY;
+	default:
+		assert(false);
+		DR_LOG(ERR, "Unsupported action type: 0x%x\n", action_type);
+		rte_errno = ENOTSUP;
+		return MLX5_IFC_STC_ACTION_TYPE_NOP;
+	}
+}
+
+static void mlx5dr_action_fill_stc_attr(struct mlx5dr_action *action,
+					struct mlx5dr_devx_obj *obj,
+					struct mlx5dr_cmd_stc_modify_attr *attr)
+{
+	switch (action->type) {
+	case MLX5DR_ACTION_TYP_TAG:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_TAG;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW5;
+		break;
+	case MLX5DR_ACTION_TYP_DROP:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_DROP;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+		break;
+	case MLX5DR_ACTION_TYP_MISS:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ALLOW;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+		/* TODO Need to support default miss for FDB */
+		break;
+	case MLX5DR_ACTION_TYP_CTR:
+		attr->id = obj->id;
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_COUNTER;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW0;
+		break;
+	case MLX5DR_ACTION_TYP_TIR:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_TIR;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+		attr->dest_tir_num = obj->id;
+		break;
+	case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+	case MLX5DR_ACTION_TYP_MODIFY_HDR:
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW6;
+		if (action->modify_header.num_of_actions == 1) {
+			attr->modify_action.data = action->modify_header.single_action;
+			attr->action_type = mlx5dr_action_get_mh_stc_type(attr->modify_action.data);
+
+			if (attr->action_type == MLX5_IFC_STC_ACTION_TYPE_ADD ||
+			    attr->action_type == MLX5_IFC_STC_ACTION_TYPE_SET)
+				MLX5_SET(set_action_in, &attr->modify_action.data, data, 0);
+		} else {
+			attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ACC_MODIFY_LIST;
+			attr->modify_header.arg_id = action->modify_header.arg_obj->id;
+			attr->modify_header.pattern_id = action->modify_header.pattern_obj->id;
+		}
+		break;
+	case MLX5DR_ACTION_TYP_FT:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_FT;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+		attr->dest_table_id = obj->id;
+		break;
+	case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_REMOVE;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW5;
+		attr->remove_header.decap = 1;
+		attr->remove_header.start_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
+		attr->remove_header.end_anchor = MLX5_HEADER_ANCHOR_INNER_MAC;
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_INSERT;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW6;
+		attr->insert_header.encap = 1;
+		attr->insert_header.insert_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
+		attr->insert_header.arg_id = action->reformat.arg_obj->id;
+		attr->insert_header.header_size = action->reformat.header_size;
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_INSERT;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW6;
+		attr->insert_header.encap = 1;
+		attr->insert_header.insert_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
+		attr->insert_header.arg_id = action->reformat.arg_obj->id;
+		attr->insert_header.header_size = action->reformat.header_size;
+		break;
+	case MLX5DR_ACTION_TYP_ASO_METER:
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW6;
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ASO;
+		attr->aso.aso_type = ASO_OPC_MOD_POLICER;
+		attr->aso.devx_obj_id = obj->id;
+		attr->aso.return_reg_id = action->aso.return_reg_id;
+		break;
+	case MLX5DR_ACTION_TYP_ASO_CT:
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW6;
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_ASO;
+		attr->aso.aso_type = ASO_OPC_MOD_CONNECTION_TRACKING;
+		attr->aso.devx_obj_id = obj->id;
+		attr->aso.return_reg_id = action->aso.return_reg_id;
+		break;
+	case MLX5DR_ACTION_TYP_VPORT:
+		attr->action_offset = MLX5DR_ACTION_OFFSET_HIT;
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_JUMP_TO_VPORT;
+		attr->vport.vport_num = action->vport.vport_num;
+		attr->vport.esw_owner_vhca_id =	action->vport.esw_owner_vhca_id;
+		break;
+	case MLX5DR_ACTION_TYP_POP_VLAN:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_REMOVE_WORDS;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW5;
+		attr->remove_words.start_anchor = MLX5_HEADER_ANCHOR_FIRST_VLAN_START;
+		attr->remove_words.num_of_words = MLX5DR_ACTION_HDR_LEN_L2_VLAN / 2;
+		break;
+	case MLX5DR_ACTION_TYP_PUSH_VLAN:
+		attr->action_type = MLX5_IFC_STC_ACTION_TYPE_HEADER_INSERT;
+		attr->action_offset = MLX5DR_ACTION_OFFSET_DW6;
+		attr->insert_header.encap = 0;
+		attr->insert_header.is_inline = 1;
+		attr->insert_header.insert_anchor = MLX5_HEADER_ANCHOR_PACKET_START;
+		attr->insert_header.insert_offset = MLX5DR_ACTION_HDR_LEN_L2_MACS;
+		attr->insert_header.header_size = MLX5DR_ACTION_HDR_LEN_L2_VLAN;
+		break;
+	default:
+		DR_LOG(ERR, "Invalid action type %d", action->type);
+		assert(false);
+	}
+}
+
+static int
+mlx5dr_action_create_stcs(struct mlx5dr_action *action,
+			  struct mlx5dr_devx_obj *obj)
+{
+	struct mlx5dr_cmd_stc_modify_attr stc_attr = {0};
+	struct mlx5dr_context *ctx = action->ctx;
+	int ret;
+
+	mlx5dr_action_fill_stc_attr(action, obj, &stc_attr);
+
+	/* Block unsupported parallel devx obj modify over the same base */
+	pthread_spin_lock(&ctx->ctrl_lock);
+
+	/* Allocate STC for RX */
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_RX) {
+		ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr,
+						     MLX5DR_TABLE_TYPE_NIC_RX,
+						     &action->stc[MLX5DR_TABLE_TYPE_NIC_RX]);
+		if (ret)
+			goto out_err;
+	}
+
+	/* Allocate STC for TX */
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_TX) {
+		ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr,
+						     MLX5DR_TABLE_TYPE_NIC_TX,
+						     &action->stc[MLX5DR_TABLE_TYPE_NIC_TX]);
+		if (ret)
+			goto free_nic_rx_stc;
+	}
+
+	/* Allocate STC for FDB */
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_FDB) {
+		ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr,
+						     MLX5DR_TABLE_TYPE_FDB,
+						     &action->stc[MLX5DR_TABLE_TYPE_FDB]);
+		if (ret)
+			goto free_nic_tx_stc;
+	}
+
+	pthread_spin_unlock(&ctx->ctrl_lock);
+
+	return 0;
+
+free_nic_tx_stc:
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_TX)
+		mlx5dr_action_free_single_stc(ctx,
+					      MLX5DR_TABLE_TYPE_NIC_TX,
+					      &action->stc[MLX5DR_TABLE_TYPE_NIC_TX]);
+free_nic_rx_stc:
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_RX)
+		mlx5dr_action_free_single_stc(ctx,
+					      MLX5DR_TABLE_TYPE_NIC_RX,
+					      &action->stc[MLX5DR_TABLE_TYPE_NIC_RX]);
+out_err:
+	pthread_spin_unlock(&ctx->ctrl_lock);
+	return rte_errno;
+}
+
+static void
+mlx5dr_action_destroy_stcs(struct mlx5dr_action *action)
+{
+	struct mlx5dr_context *ctx = action->ctx;
+
+	/* Block unsupported parallel devx obj modify over the same base */
+	pthread_spin_lock(&ctx->ctrl_lock);
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_RX)
+		mlx5dr_action_free_single_stc(ctx, MLX5DR_TABLE_TYPE_NIC_RX,
+					      &action->stc[MLX5DR_TABLE_TYPE_NIC_RX]);
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_TX)
+		mlx5dr_action_free_single_stc(ctx, MLX5DR_TABLE_TYPE_NIC_TX,
+					      &action->stc[MLX5DR_TABLE_TYPE_NIC_TX]);
+
+	if (action->flags & MLX5DR_ACTION_FLAG_HWS_FDB)
+		mlx5dr_action_free_single_stc(ctx, MLX5DR_TABLE_TYPE_FDB,
+					      &action->stc[MLX5DR_TABLE_TYPE_FDB]);
+
+	pthread_spin_unlock(&ctx->ctrl_lock);
+}
+
+static bool
+mlx5dr_action_is_root_flags(uint32_t flags)
+{
+	return flags & (MLX5DR_ACTION_FLAG_ROOT_RX |
+			MLX5DR_ACTION_FLAG_ROOT_TX |
+			MLX5DR_ACTION_FLAG_ROOT_FDB);
+}
+
+static bool
+mlx5dr_action_is_hws_flags(uint32_t flags)
+{
+	return flags & (MLX5DR_ACTION_FLAG_HWS_RX |
+			MLX5DR_ACTION_FLAG_HWS_TX |
+			MLX5DR_ACTION_FLAG_HWS_FDB);
+}
+
+static struct mlx5dr_action *
+mlx5dr_action_create_generic(struct mlx5dr_context *ctx,
+			     uint32_t flags,
+			     enum mlx5dr_action_type action_type)
+{
+	struct mlx5dr_action *action;
+
+	if (!mlx5dr_action_is_root_flags(flags) &&
+	    !mlx5dr_action_is_hws_flags(flags)) {
+		DR_LOG(ERR, "Action flags must specify root or non root (HWS)");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	action = simple_calloc(1, sizeof(*action));
+	if (!action) {
+		DR_LOG(ERR, "Failed to allocate memory for action [%d]", action_type);
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+
+	action->ctx = ctx;
+	action->flags = flags;
+	action->type = action_type;
+
+	return action;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_dest_table(struct mlx5dr_context *ctx,
+				struct mlx5dr_table *tbl,
+				uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (mlx5dr_table_is_root(tbl)) {
+		DR_LOG(ERR, "Root table cannot be set as destination");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	if (mlx5dr_action_is_hws_flags(flags) &&
+	    mlx5dr_action_is_root_flags(flags)) {
+		DR_LOG(ERR, "Same action cannot be used for root and non root");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_FT);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		action->devx_obj = tbl->ft->obj;
+	} else {
+		ret = mlx5dr_action_create_stcs(action, tbl->ft);
+		if (ret)
+			goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_dest_tir(struct mlx5dr_context *ctx,
+			      struct mlx5dr_devx_obj *obj,
+			      uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (mlx5dr_action_is_hws_flags(flags) &&
+	    mlx5dr_action_is_root_flags(flags)) {
+		DR_LOG(ERR, "Same action cannot be used for root and non root");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_TIR);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		action->devx_obj = obj->obj;
+	} else {
+		ret = mlx5dr_action_create_stcs(action, obj);
+		if (ret)
+			goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_dest_drop(struct mlx5dr_context *ctx,
+			       uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_DROP);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_hws_flags(flags)) {
+		ret = mlx5dr_action_create_stcs(action, NULL);
+		if (ret)
+			goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_default_miss(struct mlx5dr_context *ctx,
+				  uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_MISS);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_hws_flags(flags)) {
+		ret = mlx5dr_action_create_stcs(action, NULL);
+		if (ret)
+			goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_tag(struct mlx5dr_context *ctx,
+			 uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_TAG);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_hws_flags(flags)) {
+		ret = mlx5dr_action_create_stcs(action, NULL);
+		if (ret)
+			goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+static struct mlx5dr_action *
+mlx5dr_action_create_aso(struct mlx5dr_context *ctx,
+			 enum mlx5dr_action_type action_type,
+			 struct mlx5dr_devx_obj *devx_obj,
+			 uint8_t return_reg_id,
+			 uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		DR_LOG(ERR, "ASO action cannot be used over root table");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	action = mlx5dr_action_create_generic(ctx, flags, action_type);
+	if (!action)
+		return NULL;
+
+	action->aso.devx_obj = devx_obj;
+	action->aso.return_reg_id = return_reg_id;
+
+	ret = mlx5dr_action_create_stcs(action, devx_obj);
+	if (ret)
+		goto free_action;
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_aso_meter(struct mlx5dr_context *ctx,
+			       struct mlx5dr_devx_obj *devx_obj,
+			       uint8_t return_reg_id,
+			       uint32_t flags)
+{
+	return mlx5dr_action_create_aso(ctx, MLX5DR_ACTION_TYP_ASO_METER,
+					devx_obj, return_reg_id, flags);
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_aso_ct(struct mlx5dr_context *ctx,
+			    struct mlx5dr_devx_obj *devx_obj,
+			    uint8_t return_reg_id,
+			    uint32_t flags)
+{
+	return mlx5dr_action_create_aso(ctx, MLX5DR_ACTION_TYP_ASO_CT,
+					devx_obj, return_reg_id, flags);
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_counter(struct mlx5dr_context *ctx,
+			     struct mlx5dr_devx_obj *obj,
+			     uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (mlx5dr_action_is_hws_flags(flags) &&
+	    mlx5dr_action_is_root_flags(flags)) {
+		DR_LOG(ERR, "Same action cannot be used for root and non root");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_CTR);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		action->devx_obj = obj->obj;
+	} else {
+		ret = mlx5dr_action_create_stcs(action, obj);
+		if (ret)
+			goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+static int mlx5dr_action_create_dest_vport_hws(struct mlx5dr_context *ctx,
+					       struct mlx5dr_action *action,
+					       uint32_t ib_port_num)
+{
+	struct mlx5dr_cmd_query_vport_caps vport_caps = {0};
+	int ret;
+
+	ret = mlx5dr_cmd_query_ib_port(ctx->ibv_ctx, &vport_caps, ib_port_num);
+	if (ret) {
+		DR_LOG(ERR, "Failed querying port %d\n", ib_port_num);
+		return ret;
+	}
+	action->vport.vport_num = vport_caps.vport_num;
+	action->vport.esw_owner_vhca_id = vport_caps.esw_owner_vhca_id;
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret) {
+		DR_LOG(ERR, "Failed creating stc for port %d\n", ib_port_num);
+		return ret;
+	}
+
+	return 0;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_dest_vport(struct mlx5dr_context *ctx,
+				uint32_t ib_port_num,
+				uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (!(flags & MLX5DR_ACTION_FLAG_HWS_FDB)) {
+		DR_LOG(ERR, "Vport action is supported for FDB only\n");
+		rte_errno = EINVAL;
+		return NULL;
+	}
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_VPORT);
+	if (!action)
+		return NULL;
+
+	ret = mlx5dr_action_create_dest_vport_hws(ctx, action, ib_port_num);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create vport action HWS\n");
+		goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_push_vlan(struct mlx5dr_context *ctx, uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		DR_LOG(ERR, "Push vlan action not supported for root");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_PUSH_VLAN);
+	if (!action)
+		return NULL;
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret) {
+		DR_LOG(ERR, "Failed creating stc for push vlan\n");
+		goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_pop_vlan(struct mlx5dr_context *ctx, uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		DR_LOG(ERR, "Pop vlan action not supported for root");
+		rte_errno = ENOTSUP;
+		return NULL;
+	}
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_POP_VLAN);
+	if (!action)
+		return NULL;
+
+	ret = mlx5dr_action_get_shared_stc(action, MLX5DR_CONTEXT_SHARED_STC_POP);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create remove stc for reformat");
+		goto free_action;
+	}
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret) {
+		DR_LOG(ERR, "Failed creating stc for pop vlan\n");
+		goto free_shared;
+	}
+
+	return action;
+
+free_shared:
+	mlx5dr_action_put_shared_stc(action, MLX5DR_CONTEXT_SHARED_STC_POP);
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+static int
+mlx5dr_action_conv_reformat_type_to_action(uint32_t reformat_type,
+					   enum mlx5dr_action_type *action_type)
+{
+	switch (reformat_type) {
+	case MLX5DR_ACTION_REFORMAT_TYPE_TNL_L2_TO_L2:
+		*action_type = MLX5DR_ACTION_TYP_TNL_L2_TO_L2;
+		break;
+	case MLX5DR_ACTION_REFORMAT_TYPE_L2_TO_TNL_L2:
+		*action_type = MLX5DR_ACTION_TYP_L2_TO_TNL_L2;
+		break;
+	case MLX5DR_ACTION_REFORMAT_TYPE_TNL_L3_TO_L2:
+		*action_type = MLX5DR_ACTION_TYP_TNL_L3_TO_L2;
+		break;
+	case MLX5DR_ACTION_REFORMAT_TYPE_L2_TO_TNL_L3:
+		*action_type = MLX5DR_ACTION_TYP_L2_TO_TNL_L3;
+		break;
+	default:
+		DR_LOG(ERR, "Invalid reformat type requested");
+		rte_errno = ENOTSUP;
+		return rte_errno;
+	}
+	return 0;
+}
+
+static void
+mlx5dr_action_conv_reformat_to_verbs(uint32_t action_type,
+				     uint32_t *verb_reformat_type)
+{
+	switch (action_type) {
+	case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+		*verb_reformat_type =
+			MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2;
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+		*verb_reformat_type =
+			MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL;
+		break;
+	case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+		*verb_reformat_type =
+			MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2;
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+		*verb_reformat_type =
+			MLX5DV_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
+		break;
+	}
+}
+
+static void
+mlx5dr_action_conv_flags_to_ft_type(uint32_t flags, enum mlx5dv_flow_table_type *ft_type)
+{
+	if (flags & MLX5DR_ACTION_FLAG_ROOT_RX)
+		*ft_type = MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX;
+	else if (flags & MLX5DR_ACTION_FLAG_ROOT_TX)
+		*ft_type = MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX;
+	else if (flags & MLX5DR_ACTION_FLAG_ROOT_FDB)
+		*ft_type = MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB;
+}
+
+static int
+mlx5dr_action_create_reformat_root(struct mlx5dr_action *action,
+				   size_t data_sz,
+				   void *data)
+{
+	enum mlx5dv_flow_table_type ft_type = 0; /*fix compilation warn*/
+	uint32_t verb_reformat_type = 0;
+
+	/* Convert action to FT type and verbs reformat type */
+	mlx5dr_action_conv_flags_to_ft_type(action->flags, &ft_type);
+	mlx5dr_action_conv_reformat_to_verbs(action->type, &verb_reformat_type);
+
+	/* Create the reformat type for root table */
+	action->flow_action =
+		mlx5_glue->dv_create_flow_action_packet_reformat_root(action->ctx->ibv_ctx,
+								      data_sz,
+								      data,
+								      verb_reformat_type,
+								      ft_type);
+	if (!action->flow_action) {
+		rte_errno = errno;
+		return rte_errno;
+	}
+
+	return 0;
+}
+
+static int mlx5dr_action_handle_reformat_args(struct mlx5dr_context *ctx,
+					      size_t data_sz,
+					      void *data,
+					      uint32_t bulk_size,
+					      struct mlx5dr_action *action)
+{
+	uint32_t args_log_size;
+	int ret;
+
+	if (data_sz % 2 != 0) {
+		DR_LOG(ERR, "Data size should be multiply of 2");
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+	action->reformat.header_size = data_sz;
+
+	args_log_size = mlx5dr_arg_data_size_to_arg_log_size(data_sz);
+	if (args_log_size >= MLX5DR_ARG_CHUNK_SIZE_MAX) {
+		DR_LOG(ERR, "Data size is bigger than supported");
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+	args_log_size += bulk_size;
+
+	if (!mlx5dr_arg_is_valid_arg_request_size(ctx, args_log_size)) {
+		DR_LOG(ERR, "Arg size %d does not fit FW requests",
+		       args_log_size);
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+
+	action->reformat.arg_obj = mlx5dr_cmd_arg_create(ctx->ibv_ctx,
+							 args_log_size,
+							 ctx->pd_num);
+	if (!action->reformat.arg_obj) {
+		DR_LOG(ERR, "Failed to create arg for reformat");
+		return rte_errno;
+	}
+
+	/* When INLINE need to write the arg data */
+	if (action->flags & MLX5DR_ACTION_FLAG_SHARED) {
+		ret = mlx5dr_arg_write_inline_arg_data(ctx,
+						       action->reformat.arg_obj->id,
+						       data,
+						       data_sz);
+		if (ret) {
+			DR_LOG(ERR, "Failed to write inline arg for reformat");
+			goto free_arg;
+		}
+	}
+
+	return 0;
+
+free_arg:
+	mlx5dr_cmd_destroy_obj(action->reformat.arg_obj);
+	return ret;
+}
+
+static int mlx5dr_action_handle_l2_to_tunnel_l2(struct mlx5dr_context *ctx,
+						size_t data_sz,
+						void *data,
+						uint32_t bulk_size,
+						struct mlx5dr_action *action)
+{
+	int ret;
+
+	ret = mlx5dr_action_handle_reformat_args(ctx, data_sz, data, bulk_size,
+						 action);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create args for reformat");
+		return ret;
+	}
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create stc for reformat");
+		goto free_arg;
+	}
+
+	return 0;
+
+free_arg:
+	mlx5dr_cmd_destroy_obj(action->reformat.arg_obj);
+	return ret;
+}
+
+static int mlx5dr_action_get_shared_stc_offset(struct mlx5dr_context_common_res *common_res,
+					       enum mlx5dr_context_shared_stc_type stc_type)
+{
+	return common_res->shared_stc[stc_type]->remove_header.offset;
+}
+
+static int mlx5dr_action_handle_l2_to_tunnel_l3(struct mlx5dr_context *ctx,
+						size_t data_sz,
+						void *data,
+						uint32_t bulk_size,
+						struct mlx5dr_action *action)
+{
+	int ret;
+
+	ret = mlx5dr_action_handle_reformat_args(ctx, data_sz, data, bulk_size,
+						 action);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create args for reformat");
+		return ret;
+	}
+
+	/* The action is remove-l2-header + insert-l3-header */
+	ret = mlx5dr_action_get_shared_stc(action, MLX5DR_CONTEXT_SHARED_STC_DECAP);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create remove stc for reformat");
+		goto free_arg;
+	}
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create insert stc for reformat");
+		goto down_shared;
+	}
+
+	return 0;
+
+down_shared:
+	mlx5dr_action_put_shared_stc(action, MLX5DR_CONTEXT_SHARED_STC_DECAP);
+free_arg:
+	mlx5dr_cmd_destroy_obj(action->reformat.arg_obj);
+	return ret;
+}
+
+static void mlx5dr_action_prepare_decap_l3_actions(size_t data_sz,
+						   uint8_t *mh_data,
+						   int *num_of_actions)
+{
+	int actions;
+	uint32_t i;
+
+	/* Remove L2L3 outer headers */
+	MLX5_SET(stc_ste_param_remove, mh_data, action_type,
+		 MLX5_MODIFICATION_TYPE_REMOVE);
+	MLX5_SET(stc_ste_param_remove, mh_data, decap, 0x1);
+	MLX5_SET(stc_ste_param_remove, mh_data, remove_start_anchor,
+		 MLX5_HEADER_ANCHOR_PACKET_START);
+	MLX5_SET(stc_ste_param_remove, mh_data, remove_end_anchor,
+		 MLX5_HEADER_ANCHOR_INNER_IPV6_IPV4);
+	mh_data += MLX5DR_ACTION_DOUBLE_SIZE; /* Assume every action is 2 dw */
+	actions = 1;
+
+	/* Add the new header using inline action 4Byte at a time, the header
+	 * is added in reversed order to the beginning of the packet to avoid
+	 * incorrect parsing by the HW. Since header is 14B or 18B an extra
+	 * two bytes are padded and later removed.
+	 */
+	for (i = 0; i < data_sz / MLX5DR_ACTION_INLINE_DATA_SIZE + 1; i++) {
+		MLX5_SET(stc_ste_param_insert, mh_data, action_type,
+			 MLX5_MODIFICATION_TYPE_INSERT);
+		MLX5_SET(stc_ste_param_insert, mh_data, inline_data, 0x1);
+		MLX5_SET(stc_ste_param_insert, mh_data, insert_anchor,
+			 MLX5_HEADER_ANCHOR_PACKET_START);
+		MLX5_SET(stc_ste_param_insert, mh_data, insert_size, 2);
+		mh_data += MLX5DR_ACTION_DOUBLE_SIZE;
+		actions++;
+	}
+
+	/* Remove first 2 extra bytes */
+	MLX5_SET(stc_ste_param_remove_words, mh_data, action_type,
+		 MLX5_MODIFICATION_TYPE_REMOVE_WORDS);
+	MLX5_SET(stc_ste_param_remove_words, mh_data, remove_start_anchor,
+		 MLX5_HEADER_ANCHOR_PACKET_START);
+	/* The hardware expects here size in words (2 bytes) */
+	MLX5_SET(stc_ste_param_remove_words, mh_data, remove_size, 1);
+	actions++;
+
+	*num_of_actions = actions;
+}
+
+static int
+mlx5dr_action_handle_tunnel_l3_to_l2(struct mlx5dr_context *ctx,
+				     size_t data_sz,
+				     void *data,
+				     uint32_t bulk_size,
+				     struct mlx5dr_action *action)
+{
+	uint8_t mh_data[MLX5DR_ACTION_REFORMAT_DATA_SIZE] = {0};
+	int num_of_actions;
+	int mh_data_size;
+	int ret;
+
+	if (data_sz != MLX5DR_ACTION_HDR_LEN_L2 &&
+	    data_sz != MLX5DR_ACTION_HDR_LEN_L2_W_VLAN) {
+		DR_LOG(ERR, "Data size is not supported for decap-l3\n");
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+
+	mlx5dr_action_prepare_decap_l3_actions(data_sz, mh_data, &num_of_actions);
+
+	mh_data_size = num_of_actions * MLX5DR_MODIFY_ACTION_SIZE;
+
+	ret = mlx5dr_pat_arg_create_modify_header(ctx, action, mh_data_size,
+						  (__be64 *)mh_data, bulk_size);
+	if (ret) {
+		DR_LOG(ERR, "Failed allocating modify-header for decap-l3\n");
+		return ret;
+	}
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret)
+		goto free_mh_obj;
+
+	if (action->flags & MLX5DR_ACTION_FLAG_SHARED) {
+		mlx5dr_action_prepare_decap_l3_data(data, mh_data, num_of_actions);
+		ret = mlx5dr_arg_write_inline_arg_data(ctx,
+						       action->modify_header.arg_obj->id,
+						       (uint8_t *)mh_data,
+						       num_of_actions *
+						       MLX5DR_MODIFY_ACTION_SIZE);
+		if (ret) {
+			DR_LOG(ERR, "Failed writing INLINE arg decap_l3");
+			goto clean_stc;
+		}
+	}
+
+	return 0;
+
+clean_stc:
+	mlx5dr_action_destroy_stcs(action);
+free_mh_obj:
+	mlx5dr_pat_arg_destroy_modify_header(ctx, action);
+	return ret;
+}
+
+static int
+mlx5dr_action_create_reformat_hws(struct mlx5dr_context *ctx,
+				  size_t data_sz,
+				  void *data,
+				  uint32_t bulk_size,
+				  struct mlx5dr_action *action)
+{
+	int ret;
+
+	switch (action->type) {
+	case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+		ret = mlx5dr_action_create_stcs(action, NULL);
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+		ret = mlx5dr_action_handle_l2_to_tunnel_l2(ctx, data_sz, data, bulk_size, action);
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+		ret = mlx5dr_action_handle_l2_to_tunnel_l3(ctx, data_sz, data, bulk_size, action);
+		break;
+	case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+		ret = mlx5dr_action_handle_tunnel_l3_to_l2(ctx, data_sz, data, bulk_size, action);
+		break;
+
+	default:
+		assert(false);
+		rte_errno = ENOTSUP;
+		return rte_errno;
+	}
+
+	return ret;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_reformat(struct mlx5dr_context *ctx,
+			      enum mlx5dr_action_reformat_type reformat_type,
+			      size_t data_sz,
+			      void *inline_data,
+			      uint32_t log_bulk_size,
+			      uint32_t flags)
+{
+	enum mlx5dr_action_type action_type;
+	struct mlx5dr_action *action;
+	int ret;
+
+	ret = mlx5dr_action_conv_reformat_type_to_action(reformat_type, &action_type);
+	if (ret)
+		return NULL;
+
+	action = mlx5dr_action_create_generic(ctx, flags, action_type);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		if (log_bulk_size) {
+			DR_LOG(ERR, "Bulk reformat not supported over root");
+			rte_errno = ENOTSUP;
+			goto free_action;
+		}
+
+		ret = mlx5dr_action_create_reformat_root(action, data_sz, inline_data);
+		if (ret)
+			goto free_action;
+
+		return action;
+	}
+
+	if (!mlx5dr_action_is_hws_flags(flags) ||
+	    ((flags & MLX5DR_ACTION_FLAG_SHARED) && log_bulk_size)) {
+		DR_LOG(ERR, "Reformat flags don't fit HWS (flags: %x0x)\n",
+			flags);
+		rte_errno = EINVAL;
+		goto free_action;
+	}
+
+	ret = mlx5dr_action_create_reformat_hws(ctx, data_sz, inline_data, log_bulk_size, action);
+	if (ret) {
+		DR_LOG(ERR, "Failed to create reformat.\n");
+		rte_errno = EINVAL;
+		goto free_action;
+	}
+
+	return action;
+
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+static int
+mlx5dr_action_create_modify_header_root(struct mlx5dr_action *action,
+					size_t actions_sz,
+					__be64 *actions)
+{
+	enum mlx5dv_flow_table_type ft_type = 0;
+
+	mlx5dr_action_conv_flags_to_ft_type(action->flags, &ft_type);
+
+	action->flow_action =
+		mlx5_glue->dv_create_flow_action_modify_header_root(action->ctx->ibv_ctx,
+								    actions_sz,
+								    (uint64_t *)actions,
+								    ft_type);
+	if (!action->flow_action) {
+		rte_errno = errno;
+		return rte_errno;
+	}
+
+	return 0;
+}
+
+struct mlx5dr_action *
+mlx5dr_action_create_modify_header(struct mlx5dr_context *ctx,
+				   size_t pattern_sz,
+				   __be64 pattern[],
+				   uint32_t log_bulk_size,
+				   uint32_t flags)
+{
+	struct mlx5dr_action *action;
+	int ret;
+
+	action = mlx5dr_action_create_generic(ctx, flags, MLX5DR_ACTION_TYP_MODIFY_HDR);
+	if (!action)
+		return NULL;
+
+	if (mlx5dr_action_is_root_flags(flags)) {
+		if (log_bulk_size) {
+			DR_LOG(ERR, "Bulk modify-header not supported over root");
+			rte_errno = ENOTSUP;
+			goto free_action;
+		}
+		ret = mlx5dr_action_create_modify_header_root(action, pattern_sz, pattern);
+		if (ret)
+			goto free_action;
+
+		return action;
+	}
+
+	if (!mlx5dr_action_is_hws_flags(flags) ||
+	    ((flags & MLX5DR_ACTION_FLAG_SHARED) && log_bulk_size)) {
+		DR_LOG(ERR, "Flags don't fit hws (flags: %x0x, log_bulk_size: %d)\n",
+			flags, log_bulk_size);
+		rte_errno = EINVAL;
+		goto free_action;
+	}
+
+	if (pattern_sz / MLX5DR_MODIFY_ACTION_SIZE == 1) {
+		/* Optimize single modiy action to be used inline */
+		action->modify_header.single_action = pattern[0];
+		action->modify_header.num_of_actions = 1;
+		action->modify_header.single_action_type =
+			MLX5_GET(set_action_in, pattern, action_type);
+	} else {
+		/* Use multi action pattern and argument */
+		ret = mlx5dr_pat_arg_create_modify_header(ctx, action, pattern_sz,
+							  pattern, log_bulk_size);
+		if (ret) {
+			DR_LOG(ERR, "Failed allocating modify-header\n");
+			goto free_action;
+		}
+	}
+
+	ret = mlx5dr_action_create_stcs(action, NULL);
+	if (ret)
+		goto free_mh_obj;
+
+	return action;
+
+free_mh_obj:
+	if (action->modify_header.num_of_actions > 1)
+		mlx5dr_pat_arg_destroy_modify_header(ctx, action);
+free_action:
+	simple_free(action);
+	return NULL;
+}
+
+static void mlx5dr_action_destroy_hws(struct mlx5dr_action *action)
+{
+	switch (action->type) {
+	case MLX5DR_ACTION_TYP_TIR:
+	case MLX5DR_ACTION_TYP_MISS:
+	case MLX5DR_ACTION_TYP_TAG:
+	case MLX5DR_ACTION_TYP_DROP:
+	case MLX5DR_ACTION_TYP_CTR:
+	case MLX5DR_ACTION_TYP_FT:
+	case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+	case MLX5DR_ACTION_TYP_ASO_METER:
+	case MLX5DR_ACTION_TYP_ASO_CT:
+	case MLX5DR_ACTION_TYP_PUSH_VLAN:
+		mlx5dr_action_destroy_stcs(action);
+		break;
+	case MLX5DR_ACTION_TYP_POP_VLAN:
+		mlx5dr_action_destroy_stcs(action);
+		mlx5dr_action_put_shared_stc(action, MLX5DR_CONTEXT_SHARED_STC_POP);
+		break;
+	case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+	case MLX5DR_ACTION_TYP_MODIFY_HDR:
+		mlx5dr_action_destroy_stcs(action);
+		if (action->modify_header.num_of_actions > 1)
+			mlx5dr_pat_arg_destroy_modify_header(action->ctx, action);
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+		mlx5dr_action_destroy_stcs(action);
+		mlx5dr_action_put_shared_stc(action, MLX5DR_CONTEXT_SHARED_STC_DECAP);
+		mlx5dr_cmd_destroy_obj(action->reformat.arg_obj);
+		break;
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+		mlx5dr_action_destroy_stcs(action);
+		mlx5dr_cmd_destroy_obj(action->reformat.arg_obj);
+		break;
+	}
+}
+
+static void mlx5dr_action_destroy_root(struct mlx5dr_action *action)
+{
+	switch (action->type) {
+	case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+	case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+	case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+	case MLX5DR_ACTION_TYP_MODIFY_HDR:
+		ibv_destroy_flow_action(action->flow_action);
+		break;
+	}
+}
+
+int mlx5dr_action_destroy(struct mlx5dr_action *action)
+{
+	if (mlx5dr_action_is_root_flags(action->flags))
+		mlx5dr_action_destroy_root(action);
+	else
+		mlx5dr_action_destroy_hws(action);
+
+	simple_free(action);
+	return 0;
+}
+
+/* Called under pthread_spin_lock(&ctx->ctrl_lock) */
+int mlx5dr_action_get_default_stc(struct mlx5dr_context *ctx,
+				  uint8_t tbl_type)
+{
+	struct mlx5dr_cmd_stc_modify_attr stc_attr = {0};
+	struct mlx5dr_action_default_stc *default_stc;
+	int ret;
+
+	if (ctx->common_res[tbl_type].default_stc) {
+		ctx->common_res[tbl_type].default_stc->refcount++;
+		return 0;
+	}
+
+	default_stc = simple_calloc(1, sizeof(*default_stc));
+	if (!default_stc) {
+		DR_LOG(ERR, "Failed to allocate memory for default STCs");
+		rte_errno = ENOMEM;
+		return rte_errno;
+	}
+
+	stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_NOP;
+	stc_attr.action_offset = MLX5DR_ACTION_OFFSET_DW0;
+	ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
+					     &default_stc->nop_ctr);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate default counter STC");
+		goto free_default_stc;
+	}
+
+	stc_attr.action_offset = MLX5DR_ACTION_OFFSET_DW5;
+	ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
+					     &default_stc->nop_dw5);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate default NOP DW5 STC");
+		goto free_nop_ctr;
+	}
+
+	stc_attr.action_offset = MLX5DR_ACTION_OFFSET_DW6;
+	ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
+					     &default_stc->nop_dw6);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate default NOP DW6 STC");
+		goto free_nop_dw5;
+	}
+
+	stc_attr.action_offset = MLX5DR_ACTION_OFFSET_DW7;
+	ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
+					     &default_stc->nop_dw7);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate default NOP DW7 STC");
+		goto free_nop_dw6;
+	}
+
+	stc_attr.action_type = MLX5_IFC_STC_ACTION_TYPE_ALLOW;
+	stc_attr.action_offset = MLX5DR_ACTION_OFFSET_HIT;
+	ret = mlx5dr_action_alloc_single_stc(ctx, &stc_attr, tbl_type,
+					     &default_stc->default_hit);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate default allow STC");
+		goto free_nop_dw7;
+	}
+
+	ctx->common_res[tbl_type].default_stc = default_stc;
+	ctx->common_res[tbl_type].default_stc->refcount++;
+
+	return 0;
+
+free_nop_dw7:
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw7);
+free_nop_dw6:
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw6);
+free_nop_dw5:
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw5);
+free_nop_ctr:
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_ctr);
+free_default_stc:
+	simple_free(default_stc);
+	return rte_errno;
+}
+
+void mlx5dr_action_put_default_stc(struct mlx5dr_context *ctx,
+				   uint8_t tbl_type)
+{
+	struct mlx5dr_action_default_stc *default_stc;
+
+	default_stc = ctx->common_res[tbl_type].default_stc;
+
+	default_stc = ctx->common_res[tbl_type].default_stc;
+	if (--default_stc->refcount)
+		return;
+
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->default_hit);
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw7);
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw6);
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_dw5);
+	mlx5dr_action_free_single_stc(ctx, tbl_type, &default_stc->nop_ctr);
+	simple_free(default_stc);
+	ctx->common_res[tbl_type].default_stc = NULL;
+}
+
+static void mlx5dr_action_modify_write(struct mlx5dr_send_engine *queue,
+				       uint32_t arg_idx,
+				       uint8_t *arg_data,
+				       uint16_t num_of_actions)
+{
+	mlx5dr_arg_write(queue, NULL, arg_idx, arg_data,
+			 num_of_actions * MLX5DR_MODIFY_ACTION_SIZE);
+}
+
+void
+mlx5dr_action_prepare_decap_l3_data(uint8_t *src, uint8_t *dst,
+				    uint16_t num_of_actions)
+{
+	uint8_t *e_src;
+	int i;
+
+	/* num_of_actions = remove l3l2 + 4/5 inserts + remove extra 2 bytes
+	 * copy from end of src to the start of dst.
+	 * move to the end, 2 is the leftover from 14B or 18B
+	 */
+	if (num_of_actions == DECAP_L3_NUM_ACTIONS_W_NO_VLAN)
+		e_src = src + MLX5DR_ACTION_HDR_LEN_L2;
+	else
+		e_src = src + MLX5DR_ACTION_HDR_LEN_L2_W_VLAN;
+
+	/* Move dst over the first remove action + zero data */
+	dst += MLX5DR_ACTION_DOUBLE_SIZE;
+	/* Move dst over the first insert ctrl action */
+	dst += MLX5DR_ACTION_DOUBLE_SIZE / 2;
+	/* Actions:
+	 * no vlan: r_h-insert_4b-insert_4b-insert_4b-insert_4b-remove_2b.
+	 * with vlan: r_h-insert_4b-insert_4b-insert_4b-insert_4b-insert_4b-remove_2b.
+	 * the loop is without the last insertion.
+	 */
+	for (i = 0; i < num_of_actions - 3; i++) {
+		e_src -= MLX5DR_ACTION_INLINE_DATA_SIZE;
+		memcpy(dst, e_src, MLX5DR_ACTION_INLINE_DATA_SIZE); /* data */
+		dst += MLX5DR_ACTION_DOUBLE_SIZE;
+	}
+	/* Copy the last 2 bytes after a gap of 2 bytes which will be removed */
+	e_src -= MLX5DR_ACTION_INLINE_DATA_SIZE / 2;
+	dst += MLX5DR_ACTION_INLINE_DATA_SIZE / 2;
+	memcpy(dst, e_src, 2);
+}
+
+static struct mlx5dr_actions_wqe_setter *
+mlx5dr_action_setter_find_first(struct mlx5dr_actions_wqe_setter *setter,
+				uint8_t req_flags)
+{
+	/* Use a new setter if requested flags are taken */
+	while (setter->flags & req_flags)
+		setter++;
+
+	/* Use current setter in required flags are not used */
+	return setter;
+}
+
+static void
+mlx5dr_action_apply_stc(struct mlx5dr_actions_apply_data *apply,
+			enum mlx5dr_action_stc_idx stc_idx,
+			uint8_t action_idx)
+{
+	struct mlx5dr_action *action = apply->rule_action[action_idx].action;
+
+	apply->wqe_ctrl->stc_ix[stc_idx] =
+		htobe32(action->stc[apply->tbl_type].offset);
+}
+
+static void
+mlx5dr_action_setter_push_vlan(struct mlx5dr_actions_apply_data *apply,
+			       struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = 0;
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = rule_action->push_vlan.vlan_hdr;
+
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW6, setter->idx_double);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] = 0;
+}
+
+static void
+mlx5dr_action_setter_modify_header(struct mlx5dr_actions_apply_data *apply,
+				   struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_action *action;
+	uint32_t arg_sz, arg_idx;
+	uint8_t *single_action;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	action = rule_action->action;
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW6, setter->idx_double);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] = 0;
+
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = 0;
+
+	if (action->modify_header.num_of_actions == 1) {
+		if (action->modify_header.single_action_type ==
+		    MLX5_MODIFICATION_TYPE_COPY) {
+			apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = 0;
+			return;
+		}
+
+		if (action->flags & MLX5DR_ACTION_FLAG_SHARED)
+			single_action = (uint8_t *)&action->modify_header.single_action;
+		else
+			single_action = rule_action->modify_header.data;
+
+		apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] =
+			*(__be32 *)MLX5_ADDR_OF(set_action_in, single_action, data);
+	} else {
+		/* Argument offset multiple with number of args per these actions */
+		arg_sz = mlx5dr_arg_get_arg_size(action->modify_header.num_of_actions);
+		arg_idx = rule_action->modify_header.offset * arg_sz;
+
+		apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = htobe32(arg_idx);
+
+		if (!(action->flags & MLX5DR_ACTION_FLAG_SHARED)) {
+			apply->require_dep = 1;
+			mlx5dr_action_modify_write(apply->queue,
+						   action->modify_header.arg_obj->id + arg_idx,
+						   rule_action->modify_header.data,
+						   action->modify_header.num_of_actions);
+		}
+	}
+}
+
+static void
+mlx5dr_action_setter_insert_ptr(struct mlx5dr_actions_apply_data *apply,
+				struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	uint32_t arg_idx, arg_sz;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+
+	/* Argument offset multiple on args required for header size */
+	arg_sz = mlx5dr_arg_data_size_to_arg_size(rule_action->action->reformat.header_size);
+	arg_idx = rule_action->reformat.offset * arg_sz;
+
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = 0;
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = htobe32(arg_idx);
+
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW6, setter->idx_double);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] = 0;
+
+	if (!(rule_action->action->flags & MLX5DR_ACTION_FLAG_SHARED)) {
+		apply->require_dep = 1;
+		mlx5dr_arg_write(apply->queue, NULL,
+				 rule_action->action->reformat.arg_obj->id + arg_idx,
+				 rule_action->reformat.data,
+				 rule_action->action->reformat.header_size);
+	}
+}
+
+static void
+mlx5dr_action_setter_tnl_l3_to_l2(struct mlx5dr_actions_apply_data *apply,
+				  struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	struct mlx5dr_action *action;
+	uint32_t arg_sz, arg_idx;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+	action = rule_action->action;
+
+	/* Argument offset multiple on args required for num of actions */
+	arg_sz = mlx5dr_arg_get_arg_size(action->modify_header.num_of_actions);
+	arg_idx = rule_action->reformat.offset * arg_sz;
+
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = 0;
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = htobe32(arg_idx);
+
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW6, setter->idx_double);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] = 0;
+
+	if (!(action->flags & MLX5DR_ACTION_FLAG_SHARED)) {
+		apply->require_dep = 1;
+		mlx5dr_arg_decapl3_write(apply->queue,
+					 action->modify_header.arg_obj->id + arg_idx,
+					 rule_action->reformat.data,
+					 action->modify_header.num_of_actions);
+	}
+}
+
+static void
+mlx5dr_action_setter_aso(struct mlx5dr_actions_apply_data *apply,
+			 struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+	uint32_t exe_aso_ctrl;
+	uint32_t offset;
+
+	rule_action = &apply->rule_action[setter->idx_double];
+
+	switch(rule_action->action->type) {
+	case MLX5DR_ACTION_TYP_ASO_METER:
+		/* exe_aso_ctrl format:
+		 * [STC only and reserved bits 29b][init_color 2b][meter_id 1b]
+		 */
+		offset = rule_action->aso_meter.offset / MLX5_ASO_METER_NUM_PER_OBJ;
+		exe_aso_ctrl = rule_action->aso_meter.offset % MLX5_ASO_METER_NUM_PER_OBJ;
+		exe_aso_ctrl |= rule_action->aso_meter.init_color <<
+				MLX5DR_ACTION_METER_INIT_COLOR_OFFSET;
+		break;
+	case MLX5DR_ACTION_TYP_ASO_CT:
+		/* exe_aso_ctrl CT format:
+		 * [STC only and reserved bits 31b][direction 1b]
+		 */
+		offset = rule_action->aso_ct.offset / MLX5_ASO_CT_NUM_PER_OBJ;
+		exe_aso_ctrl = rule_action->aso_ct.direction;
+		break;
+	default:
+		DR_LOG(ERR, "Unsupported ASO action type: %d", rule_action->action->type);
+		rte_errno = ENOTSUP;
+		return;
+	}
+
+	/* aso_object_offset format: [24B] */
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = htobe32(offset);
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = htobe32(exe_aso_ctrl);
+
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW6, setter->idx_double);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] = 0;
+}
+
+static void
+mlx5dr_action_setter_tag(struct mlx5dr_actions_apply_data *apply,
+			 struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+
+	rule_action = &apply->rule_action[setter->idx_single];
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW5] = htobe32(rule_action->tag.value);
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW5, setter->idx_single);
+}
+
+static void
+mlx5dr_action_setter_ctrl_ctr(struct mlx5dr_actions_apply_data *apply,
+			      struct mlx5dr_actions_wqe_setter *setter)
+{
+	struct mlx5dr_rule_action *rule_action;
+
+	rule_action = &apply->rule_action[setter->idx_ctr];
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW0] = htobe32(rule_action->counter.offset);
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_CTRL, setter->idx_ctr);
+}
+
+static void
+mlx5dr_action_setter_single(struct mlx5dr_actions_apply_data *apply,
+			    struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW5] = 0;
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_DW5, setter->idx_single);
+}
+
+static void
+mlx5dr_action_setter_single_double_pop(struct mlx5dr_actions_apply_data *apply,
+				       __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW5] = 0;
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW5] =
+		htobe32(mlx5dr_action_get_shared_stc_offset(apply->common_res,
+						    MLX5DR_CONTEXT_SHARED_STC_POP));
+}
+
+static void
+mlx5dr_action_setter_hit(struct mlx5dr_actions_apply_data *apply,
+			 struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_HIT_LSB] = 0;
+	mlx5dr_action_apply_stc(apply, MLX5DR_ACTION_STC_IDX_HIT, setter->idx_hit);
+}
+
+static void
+mlx5dr_action_setter_default_hit(struct mlx5dr_actions_apply_data *apply,
+				 __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_HIT_LSB] = 0;
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_HIT] =
+		htobe32(apply->common_res->default_stc->default_hit.offset);
+}
+
+static void
+mlx5dr_action_setter_hit_next_action(struct mlx5dr_actions_apply_data *apply,
+				     __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_HIT_LSB] = htobe32(apply->next_direct_idx << 6);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_HIT] = htobe32(apply->jump_to_action_stc);
+}
+
+static void
+mlx5dr_action_setter_common_decap(struct mlx5dr_actions_apply_data *apply,
+				  __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW5] = 0;
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW5] =
+		htobe32(mlx5dr_action_get_shared_stc_offset(apply->common_res,
+							    MLX5DR_CONTEXT_SHARED_STC_DECAP));
+}
+
+int mlx5dr_action_template_process(struct mlx5dr_action_template *at)
+{
+	struct mlx5dr_actions_wqe_setter *start_setter = at->setters + 1;
+	enum mlx5dr_action_type *action_type = at->action_type_arr;
+	struct mlx5dr_actions_wqe_setter *setter = at->setters;
+	struct mlx5dr_actions_wqe_setter *pop_setter = NULL;
+	struct mlx5dr_actions_wqe_setter *last_setter;
+	int i;
+
+	/* Note: Given action combination must be valid */
+
+	/* Check if action were already processed */
+	if (at->num_of_action_stes)
+		return 0;
+
+	for (i = 0; i < MLX5DR_ACTION_MAX_STE; i++)
+		setter[i].set_hit = &mlx5dr_action_setter_hit_next_action;
+
+	/* The same action template setters can be used with jumbo or match
+	 * STE, to support both cases we reseve the first setter for cases
+	 * with jumbo STE to allow jump to the first action STE.
+	 * This extra setter can be reduced in some cases on rule creation.
+	 */
+	setter = start_setter;
+	last_setter = start_setter;
+
+	for (i = 0; i < at->num_actions; i++) {
+		switch (action_type[i]) {
+		case MLX5DR_ACTION_TYP_DROP:
+		case MLX5DR_ACTION_TYP_TIR:
+		case MLX5DR_ACTION_TYP_FT:
+		case MLX5DR_ACTION_TYP_VPORT:
+		case MLX5DR_ACTION_TYP_MISS:
+			/* Hit action */
+			last_setter->flags |= ASF_HIT;
+			last_setter->set_hit = &mlx5dr_action_setter_hit;
+			last_setter->idx_hit = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_POP_VLAN:
+			/* Single remove header to header */
+			if (pop_setter) {
+				/* We have 2 pops, use the shared */
+				pop_setter->set_single = &mlx5dr_action_setter_single_double_pop;
+				break;
+			}
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_SINGLE1 | ASF_MODIFY);
+			setter->flags |= ASF_SINGLE1 | ASF_REPARSE | ASF_REMOVE;
+			setter->set_single = &mlx5dr_action_setter_single;
+			setter->idx_single = i;
+			pop_setter = setter;
+			break;
+
+		case MLX5DR_ACTION_TYP_PUSH_VLAN:
+			/* Double insert inline */
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);
+			setter->flags |= ASF_DOUBLE | ASF_REPARSE | ASF_MODIFY;
+			setter->set_double = &mlx5dr_action_setter_push_vlan;
+			setter->idx_double = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_MODIFY_HDR:
+			/* Double modify header list */
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_DOUBLE | ASF_REMOVE);
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_modify_header;
+			setter->idx_double = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_ASO_METER:
+		case MLX5DR_ACTION_TYP_ASO_CT:
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_DOUBLE);
+			setter->flags |= ASF_DOUBLE;
+			setter->set_double = &mlx5dr_action_setter_aso;
+			setter->idx_double = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_TNL_L2_TO_L2:
+			/* Single remove header to header */
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_SINGLE1 | ASF_MODIFY);
+			setter->flags |= ASF_SINGLE1 | ASF_REMOVE | ASF_REPARSE;
+			setter->set_single = &mlx5dr_action_setter_single;
+			setter->idx_single = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_L2_TO_TNL_L2:
+			/* Double insert header with pointer */
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_DOUBLE);
+			setter->flags |= ASF_DOUBLE | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_insert_ptr;
+			setter->idx_double = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_L2_TO_TNL_L3:
+			/* Single remove + Double insert header with pointer */
+			setter = mlx5dr_action_setter_find_first(last_setter, ASF_SINGLE1 | ASF_DOUBLE);
+			setter->flags |= ASF_SINGLE1 | ASF_DOUBLE | ASF_REPARSE | ASF_REMOVE;
+			setter->set_double = &mlx5dr_action_setter_insert_ptr;
+			setter->idx_double = i;
+			setter->set_single = &mlx5dr_action_setter_common_decap;
+			setter->idx_single = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_TNL_L3_TO_L2:
+			/* Double modify header list with remove and push inline */
+			setter = mlx5dr_action_setter_find_first(last_setter,
+								 ASF_DOUBLE | ASF_REMOVE);
+			setter->flags |= ASF_DOUBLE | ASF_MODIFY | ASF_REPARSE;
+			setter->set_double = &mlx5dr_action_setter_tnl_l3_to_l2;
+			setter->idx_double = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_TAG:
+			/* Single TAG action, search for any room from the start */
+			setter = mlx5dr_action_setter_find_first(start_setter, ASF_SINGLE1);
+			setter->flags |= ASF_SINGLE1;
+			setter->set_single = &mlx5dr_action_setter_tag;
+			setter->idx_single = i;
+			break;
+
+		case MLX5DR_ACTION_TYP_CTR:
+			/* Control counter action
+			 * TODO: Current counter executed first. Support is needed
+			 *	 for single ation counter action which is done last.
+			 *	 Example: Decap + CTR
+			 */
+			setter = mlx5dr_action_setter_find_first(start_setter, ASF_CTR);
+			setter->flags |= ASF_CTR;
+			setter->set_ctr = &mlx5dr_action_setter_ctrl_ctr;
+			setter->idx_ctr = i;
+			break;
+
+		default:
+			DR_LOG(ERR, "Unsupported action type: %d", action_type[i]);
+			rte_errno = ENOTSUP;
+			assert(false);
+			return rte_errno;
+		}
+
+		last_setter = RTE_MAX(setter, last_setter);
+	}
+
+	/* Set default hit on the last STE if no hit action provided */
+	if (!(last_setter->flags & ASF_HIT))
+		last_setter->set_hit = &mlx5dr_action_setter_default_hit;
+
+	at->num_of_action_stes = last_setter - start_setter + 1;
+
+	/* Check if action template doesn't require any action DWs */
+	at->only_term = (at->num_of_action_stes == 1) &&
+		!(last_setter->flags & ~(ASF_CTR | ASF_HIT));
+
+	return 0;
+}
+
+struct mlx5dr_action_template *
+mlx5dr_action_template_create(const enum mlx5dr_action_type action_type[])
+{
+	struct mlx5dr_action_template *at;
+	uint8_t num_actions = 0;
+	int i;
+
+	at = simple_calloc(1, sizeof(*at));
+	if (!at) {
+		DR_LOG(ERR, "Failed to allocate action template");
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+
+	while (action_type[num_actions++] != MLX5DR_ACTION_TYP_LAST);
+
+	at->num_actions = num_actions - 1;
+	at->action_type_arr = simple_calloc(num_actions, sizeof(*action_type));
+	if (!at->action_type_arr) {
+		DR_LOG(ERR, "Failed to allocate action type array");
+		rte_errno = ENOMEM;
+		goto free_at;
+	}
+
+	for (i = 0; i < num_actions; i++)
+		at->action_type_arr[i] = action_type[i];
+
+	return at;
+
+free_at:
+	simple_free(at);
+	return NULL;
+}
+
+int mlx5dr_action_template_destroy(struct mlx5dr_action_template *at)
+{
+	simple_free(at->action_type_arr);
+	simple_free(at);
+	return 0;
+}
diff --git a/drivers/net/mlx5/hws/mlx5dr_action.h b/drivers/net/mlx5/hws/mlx5dr_action.h
new file mode 100644
index 0000000000..f14d91f994
--- /dev/null
+++ b/drivers/net/mlx5/hws/mlx5dr_action.h
@@ -0,0 +1,253 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2022 NVIDIA Corporation & Affiliates
+ */
+
+#ifndef MLX5DR_ACTION_H_
+#define MLX5DR_ACTION_H_
+
+/* Max number of STEs needed for a rule (including match) */
+#define MLX5DR_ACTION_MAX_STE 7
+
+enum mlx5dr_action_stc_idx {
+	MLX5DR_ACTION_STC_IDX_CTRL = 0,
+	MLX5DR_ACTION_STC_IDX_HIT = 1,
+	MLX5DR_ACTION_STC_IDX_DW5 = 2,
+	MLX5DR_ACTION_STC_IDX_DW6 = 3,
+	MLX5DR_ACTION_STC_IDX_DW7 = 4,
+	MLX5DR_ACTION_STC_IDX_MAX = 5,
+	/* STC Jumvo STE combo: CTR, Hit */
+	MLX5DR_ACTION_STC_IDX_LAST_JUMBO_STE = 1,
+	/* STC combo1: CTR, SINGLE, DOUBLE, Hit */
+	MLX5DR_ACTION_STC_IDX_LAST_COMBO1 = 3,
+	/* STC combo2: CTR, 3 x SINGLE, Hit */
+	MLX5DR_ACTION_STC_IDX_LAST_COMBO2 = 4,
+};
+
+enum mlx5dr_action_offset {
+	MLX5DR_ACTION_OFFSET_DW0 = 0,
+	MLX5DR_ACTION_OFFSET_DW5 = 5,
+	MLX5DR_ACTION_OFFSET_DW6 = 6,
+	MLX5DR_ACTION_OFFSET_DW7 = 7,
+	MLX5DR_ACTION_OFFSET_HIT = 3,
+	MLX5DR_ACTION_OFFSET_HIT_LSB = 4,
+};
+
+enum {
+	MLX5DR_ACTION_DOUBLE_SIZE = 8,
+	MLX5DR_ACTION_INLINE_DATA_SIZE = 4,
+	MLX5DR_ACTION_HDR_LEN_L2_MACS = 12,
+	MLX5DR_ACTION_HDR_LEN_L2_VLAN = 4,
+	MLX5DR_ACTION_HDR_LEN_L2_ETHER = 2,
+	MLX5DR_ACTION_HDR_LEN_L2 = (MLX5DR_ACTION_HDR_LEN_L2_MACS +
+				    MLX5DR_ACTION_HDR_LEN_L2_ETHER),
+	MLX5DR_ACTION_HDR_LEN_L2_W_VLAN = (MLX5DR_ACTION_HDR_LEN_L2 +
+					   MLX5DR_ACTION_HDR_LEN_L2_VLAN),
+	MLX5DR_ACTION_REFORMAT_DATA_SIZE = 64,
+	DECAP_L3_NUM_ACTIONS_W_NO_VLAN = 6,
+	DECAP_L3_NUM_ACTIONS_W_VLAN = 7,
+};
+
+enum mlx5dr_action_setter_flag {
+	ASF_SINGLE1 = 1 << 0,
+	ASF_SINGLE2 = 1 << 1,
+	ASF_SINGLE3 = 1 << 2,
+	ASF_DOUBLE = ASF_SINGLE2 | ASF_SINGLE3,
+	ASF_REPARSE = 1 << 3,
+	ASF_REMOVE = 1 << 4,
+	ASF_MODIFY = 1 << 5,
+	ASF_CTR = 1 << 6,
+	ASF_HIT = 1 << 7,
+};
+
+struct mlx5dr_action_default_stc {
+	struct mlx5dr_pool_chunk nop_ctr;
+	struct mlx5dr_pool_chunk nop_dw5;
+	struct mlx5dr_pool_chunk nop_dw6;
+	struct mlx5dr_pool_chunk nop_dw7;
+	struct mlx5dr_pool_chunk default_hit;
+	uint32_t refcount;
+};
+
+struct mlx5dr_action_shared_stc {
+	struct mlx5dr_pool_chunk remove_header;
+	rte_atomic32_t refcount;
+};
+
+struct mlx5dr_actions_apply_data {
+	struct mlx5dr_send_engine *queue;
+	struct mlx5dr_rule_action *rule_action;
+	uint32_t *wqe_data;
+	struct mlx5dr_wqe_gta_ctrl_seg *wqe_ctrl;
+	uint32_t jump_to_action_stc;
+	struct mlx5dr_context_common_res *common_res;
+	enum mlx5dr_table_type tbl_type;
+	uint32_t next_direct_idx;
+	uint8_t require_dep;
+};
+
+struct mlx5dr_actions_wqe_setter;
+
+typedef void (*mlx5dr_action_setter_fp)
+	(struct mlx5dr_actions_apply_data *apply,
+	 struct mlx5dr_actions_wqe_setter *setter);
+
+struct mlx5dr_actions_wqe_setter {
+	mlx5dr_action_setter_fp set_single;
+	mlx5dr_action_setter_fp set_double;
+	mlx5dr_action_setter_fp set_hit;
+	mlx5dr_action_setter_fp set_ctr;
+	uint8_t idx_single;
+	uint8_t idx_double;
+	uint8_t idx_ctr;
+	uint8_t idx_hit;
+	uint8_t flags;
+};
+
+struct mlx5dr_action_template {
+	struct mlx5dr_actions_wqe_setter setters[MLX5DR_ACTION_MAX_STE];
+	enum mlx5dr_action_type *action_type_arr;
+	uint8_t num_of_action_stes;
+	uint8_t num_actions;
+	uint8_t only_term;
+};
+
+struct mlx5dr_action {
+	uint8_t type;
+	uint8_t flags;
+	struct mlx5dr_context *ctx;
+	union {
+		struct {
+			struct mlx5dr_pool_chunk stc[MLX5DR_TABLE_TYPE_MAX];
+			union {
+				struct {
+					struct mlx5dr_devx_obj *pattern_obj;
+					struct mlx5dr_devx_obj *arg_obj;
+					__be64 single_action;
+					uint8_t single_action_type;
+					uint16_t num_of_actions;
+				} modify_header;
+				struct {
+					struct mlx5dr_devx_obj *arg_obj;
+					uint32_t header_size;
+				} reformat;
+				struct {
+					struct mlx5dr_devx_obj *devx_obj;
+					uint8_t return_reg_id;
+				} aso;
+				struct {
+					uint16_t vport_num;
+					uint16_t esw_owner_vhca_id;
+				} vport;
+			};
+		};
+
+		struct ibv_flow_action *flow_action;
+		struct mlx5dv_devx_obj *devx_obj;
+		struct ibv_qp *qp;
+	};
+};
+
+int mlx5dr_action_root_build_attr(struct mlx5dr_rule_action rule_actions[],
+				  uint32_t num_actions,
+				  struct mlx5dv_flow_action_attr *attr);
+
+int mlx5dr_action_get_default_stc(struct mlx5dr_context *ctx,
+				  uint8_t tbl_type);
+
+void mlx5dr_action_put_default_stc(struct mlx5dr_context *ctx,
+				   uint8_t tbl_type);
+
+void mlx5dr_action_prepare_decap_l3_data(uint8_t *src, uint8_t *dst,
+					 uint16_t num_of_actions);
+
+int mlx5dr_action_template_process(struct mlx5dr_action_template *at);
+
+bool mlx5dr_action_check_combo(enum mlx5dr_action_type *user_actions,
+			       enum mlx5dr_table_type table_type);
+
+int mlx5dr_action_alloc_single_stc(struct mlx5dr_context *ctx,
+				   struct mlx5dr_cmd_stc_modify_attr *stc_attr,
+				   uint32_t table_type,
+				   struct mlx5dr_pool_chunk *stc);
+
+void mlx5dr_action_free_single_stc(struct mlx5dr_context *ctx,
+				   uint32_t table_type,
+				   struct mlx5dr_pool_chunk *stc);
+
+static inline void
+mlx5dr_action_setter_default_single(struct mlx5dr_actions_apply_data *apply,
+				    __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW5] = 0;
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW5] =
+		htobe32(apply->common_res->default_stc->nop_dw5.offset);
+}
+
+static inline void
+mlx5dr_action_setter_default_double(struct mlx5dr_actions_apply_data *apply,
+				    __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = 0;
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = 0;
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW6] =
+		htobe32(apply->common_res->default_stc->nop_dw6.offset);
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] =
+		htobe32(apply->common_res->default_stc->nop_dw7.offset);
+}
+
+static inline void
+mlx5dr_action_setter_default_ctr(struct mlx5dr_actions_apply_data *apply,
+				 __rte_unused struct mlx5dr_actions_wqe_setter *setter)
+{
+	apply->wqe_data[MLX5DR_ACTION_OFFSET_DW0] = 0;
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_CTRL] =
+		htobe32(apply->common_res->default_stc->nop_ctr.offset);
+}
+
+static inline void
+mlx5dr_action_apply_setter(struct mlx5dr_actions_apply_data *apply,
+			   struct mlx5dr_actions_wqe_setter *setter,
+			   bool is_jumbo)
+{
+	uint8_t num_of_actions;
+
+	/* Set control counter */
+	if (setter->flags & ASF_CTR)
+		setter->set_ctr(apply, setter);
+	else
+		mlx5dr_action_setter_default_ctr(apply, setter);
+
+	/* Set single and double on match */
+	if (!is_jumbo) {
+		if (setter->flags & ASF_SINGLE1)
+			setter->set_single(apply, setter);
+		else
+			mlx5dr_action_setter_default_single(apply, setter);
+
+		if (setter->flags & ASF_DOUBLE)
+			setter->set_double(apply, setter);
+		else
+			mlx5dr_action_setter_default_double(apply, setter);
+
+		num_of_actions = setter->flags & ASF_DOUBLE ?
+			MLX5DR_ACTION_STC_IDX_LAST_COMBO1 :
+			MLX5DR_ACTION_STC_IDX_LAST_COMBO2;
+	} else {
+		apply->wqe_data[MLX5DR_ACTION_OFFSET_DW5] = 0;
+		apply->wqe_data[MLX5DR_ACTION_OFFSET_DW6] = 0;
+		apply->wqe_data[MLX5DR_ACTION_OFFSET_DW7] = 0;
+		apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW5] = 0;
+		apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW6] = 0;
+		apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_DW7] = 0;
+		num_of_actions = MLX5DR_ACTION_STC_IDX_LAST_JUMBO_STE;
+	}
+
+	/* Set next/final hit action */
+	setter->set_hit(apply, setter);
+
+	/* Set number of actions */
+	apply->wqe_ctrl->stc_ix[MLX5DR_ACTION_STC_IDX_CTRL] |=
+		htobe32(num_of_actions << 29);
+}
+
+#endif /* MLX5DR_ACTION_H_ */
diff --git a/drivers/net/mlx5/hws/mlx5dr_pat_arg.c b/drivers/net/mlx5/hws/mlx5dr_pat_arg.c
new file mode 100644
index 0000000000..9b73707ee8
--- /dev/null
+++ b/drivers/net/mlx5/hws/mlx5dr_pat_arg.c
@@ -0,0 +1,511 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2022 NVIDIA Corporation & Affiliates
+ */
+
+#include "mlx5dr_internal.h"
+
+enum mlx5dr_arg_chunk_size
+mlx5dr_arg_data_size_to_arg_log_size(uint16_t data_size)
+{
+	/* Return the roundup of log2(data_size) */
+	if (data_size <= MLX5DR_ARG_DATA_SIZE)
+		return MLX5DR_ARG_CHUNK_SIZE_1;
+	if (data_size <= MLX5DR_ARG_DATA_SIZE * 2)
+		return MLX5DR_ARG_CHUNK_SIZE_2;
+	if (data_size <= MLX5DR_ARG_DATA_SIZE * 4)
+		return MLX5DR_ARG_CHUNK_SIZE_3;
+	if (data_size <= MLX5DR_ARG_DATA_SIZE * 8)
+		return MLX5DR_ARG_CHUNK_SIZE_4;
+
+	return MLX5DR_ARG_CHUNK_SIZE_MAX;
+}
+
+uint32_t mlx5dr_arg_data_size_to_arg_size(uint16_t data_size)
+{
+	return BIT(mlx5dr_arg_data_size_to_arg_log_size(data_size));
+}
+
+enum mlx5dr_arg_chunk_size
+mlx5dr_arg_get_arg_log_size(uint16_t num_of_actions)
+{
+	return mlx5dr_arg_data_size_to_arg_log_size(num_of_actions *
+						    MLX5DR_MODIFY_ACTION_SIZE);
+}
+
+uint32_t mlx5dr_arg_get_arg_size(uint16_t num_of_actions)
+{
+	return BIT(mlx5dr_arg_get_arg_log_size(num_of_actions));
+}
+
+/* Cache and cache element handling */
+int mlx5dr_pat_init_pattern_cache(struct mlx5dr_pattern_cache **cache)
+{
+	struct mlx5dr_pattern_cache *new_cache;
+
+	new_cache = simple_calloc(1, sizeof(*new_cache));
+	if (!new_cache) {
+		rte_errno = ENOMEM;
+		return rte_errno;
+	}
+	LIST_INIT(&new_cache->head);
+	pthread_spin_init(&new_cache->lock, PTHREAD_PROCESS_PRIVATE);
+
+	*cache = new_cache;
+
+	return 0;
+}
+
+void mlx5dr_pat_uninit_pattern_cache(struct mlx5dr_pattern_cache *cache)
+{
+	simple_free(cache);
+}
+
+static bool mlx5dr_pat_compare_pattern(enum mlx5dr_action_type cur_type,
+				       int cur_num_of_actions,
+				       __be64 cur_actions[],
+				       enum mlx5dr_action_type type,
+				       int num_of_actions,
+				       __be64 actions[])
+{
+	int i;
+
+	if ((cur_num_of_actions != num_of_actions) || (cur_type != type))
+		return false;
+
+	 /* All decap-l3 look the same, only change is the num of actions */
+	if (type == MLX5DR_ACTION_TYP_TNL_L3_TO_L2)
+		return true;
+
+	for (i = 0; i < num_of_actions; i++) {
+		u8 action_id =
+			MLX5_GET(set_action_in, &actions[i], action_type);
+
+		if (action_id == MLX5_MODIFICATION_TYPE_COPY) {
+			if (actions[i] != cur_actions[i])
+				return false;
+		} else {
+			/* Compare just the control, not the values */
+			if ((__be32)actions[i] !=
+			    (__be32)cur_actions[i])
+				return false;
+		}
+	}
+
+	return true;
+}
+
+static struct mlx5dr_pat_cached_pattern *
+mlx5dr_pat_find_cached_pattern(struct mlx5dr_pattern_cache *cache,
+			       struct mlx5dr_action *action,
+			       uint16_t num_of_actions,
+			       __be64 *actions)
+{
+	struct mlx5dr_pat_cached_pattern *cached_pat;
+
+	LIST_FOREACH(cached_pat, &cache->head, next) {
+		if (mlx5dr_pat_compare_pattern(cached_pat->type,
+					       cached_pat->mh_data.num_of_actions,
+					       (__be64 *)cached_pat->mh_data.data,
+					       action->type,
+					       num_of_actions,
+					       actions))
+			return cached_pat;
+	}
+
+	return NULL;
+}
+
+static struct mlx5dr_pat_cached_pattern *
+mlx5dr_pat_get_existing_cached_pattern(struct mlx5dr_pattern_cache *cache,
+				       struct mlx5dr_action *action,
+				       uint16_t num_of_actions,
+				       __be64 *actions)
+{
+	struct mlx5dr_pat_cached_pattern *cached_pattern;
+
+	cached_pattern = mlx5dr_pat_find_cached_pattern(cache, action, num_of_actions, actions);
+	if (cached_pattern) {
+		/* LRU: move it to be first in the list */
+		LIST_REMOVE(cached_pattern, next);
+		LIST_INSERT_HEAD(&cache->head, cached_pattern, next);
+		rte_atomic32_add(&cached_pattern->refcount, 1);
+	}
+
+	return cached_pattern;
+}
+
+static struct mlx5dr_pat_cached_pattern *
+mlx5dr_pat_get_cached_pattern_by_action(struct mlx5dr_pattern_cache *cache,
+					struct mlx5dr_action *action)
+{
+	struct mlx5dr_pat_cached_pattern *cached_pattern;
+
+	LIST_FOREACH(cached_pattern, &cache->head, next) {
+		if (cached_pattern->mh_data.pattern_obj->id == action->modify_header.pattern_obj->id)
+			return cached_pattern;
+	}
+
+	return NULL;
+}
+
+static struct mlx5dr_pat_cached_pattern *
+mlx5dr_pat_add_pattern_to_cache(struct mlx5dr_pattern_cache *cache,
+				struct mlx5dr_devx_obj *pattern_obj,
+				enum mlx5dr_action_type type,
+				uint16_t num_of_actions,
+				__be64 *actions)
+{
+	struct mlx5dr_pat_cached_pattern *cached_pattern;
+
+	cached_pattern = simple_calloc(1, sizeof(*cached_pattern));
+	if (!cached_pattern) {
+		DR_LOG(ERR, "Failed to allocate cached_pattern");
+		rte_errno = ENOMEM;
+		return NULL;
+	}
+
+	cached_pattern->type = type;
+	cached_pattern->mh_data.num_of_actions = num_of_actions;
+	cached_pattern->mh_data.pattern_obj = pattern_obj;
+	cached_pattern->mh_data.data =
+		simple_malloc(num_of_actions * MLX5DR_MODIFY_ACTION_SIZE);
+	if (!cached_pattern->mh_data.data) {
+		DR_LOG(ERR, "Failed to allocate mh_data.data");
+		rte_errno = ENOMEM;
+		goto free_cached_obj;
+	}
+
+	memcpy(cached_pattern->mh_data.data, actions,
+	       num_of_actions * MLX5DR_MODIFY_ACTION_SIZE);
+
+	LIST_INSERT_HEAD(&cache->head, cached_pattern, next);
+
+	rte_atomic32_init(&cached_pattern->refcount);
+	rte_atomic32_set(&cached_pattern->refcount, 1);
+
+	return cached_pattern;
+
+free_cached_obj:
+	simple_free(cached_pattern);
+	return NULL;
+}
+
+static void
+mlx5dr_pat_remove_pattern(struct mlx5dr_pat_cached_pattern *cached_pattern)
+{
+	LIST_REMOVE(cached_pattern, next);
+	simple_free(cached_pattern->mh_data.data);
+	simple_free(cached_pattern);
+}
+
+static void
+mlx5dr_pat_put_pattern(struct mlx5dr_pattern_cache *cache,
+		       struct mlx5dr_action *action)
+{
+	struct mlx5dr_pat_cached_pattern *cached_pattern;
+
+	pthread_spin_lock(&cache->lock);
+	cached_pattern = mlx5dr_pat_get_cached_pattern_by_action(cache, action);
+	if (!cached_pattern) {
+		DR_LOG(ERR, "Failed to find pattern according to action with pt");
+		assert(false);
+		goto out;
+	}
+
+	if (!rte_atomic32_dec_and_test(&cached_pattern->refcount))
+		goto out;
+
+	mlx5dr_pat_remove_pattern(cached_pattern);
+
+out:
+	pthread_spin_unlock(&cache->lock);
+}
+
+static int mlx5dr_pat_get_pattern(struct mlx5dr_context *ctx,
+				  struct mlx5dr_action *action,
+				  uint16_t num_of_actions,
+				  size_t pattern_sz,
+				  __be64 *pattern)
+{
+	struct mlx5dr_pat_cached_pattern *cached_pattern;
+	int ret = 0;
+
+	pthread_spin_lock(&ctx->pattern_cache->lock);
+
+	cached_pattern = mlx5dr_pat_get_existing_cached_pattern(ctx->pattern_cache,
+								action,
+								num_of_actions,
+								pattern);
+	if (cached_pattern) {
+		action->modify_header.pattern_obj = cached_pattern->mh_data.pattern_obj;
+		goto out_unlock;
+	}
+
+	action->modify_header.pattern_obj =
+		mlx5dr_cmd_header_modify_pattern_create(ctx->ibv_ctx,
+							pattern_sz,
+							(uint8_t *)pattern);
+	if (!action->modify_header.pattern_obj) {
+		DR_LOG(ERR, "Failed to create pattern FW object");
+
+		ret = rte_errno;
+		goto out_unlock;
+	}
+
+	cached_pattern =
+		mlx5dr_pat_add_pattern_to_cache(ctx->pattern_cache,
+						action->modify_header.pattern_obj,
+						action->type,
+						num_of_actions,
+						pattern);
+	if (!cached_pattern) {
+		DR_LOG(ERR, "Failed to add pattern to cache");
+		ret = rte_errno;
+		goto clean_pattern;
+	}
+
+out_unlock:
+	pthread_spin_unlock(&ctx->pattern_cache->lock);
+	return ret;
+
+clean_pattern:
+	mlx5dr_cmd_destroy_obj(action->modify_header.pattern_obj);
+	pthread_spin_unlock(&ctx->pattern_cache->lock);
+	return ret;
+}
+
+static void
+mlx5d_arg_init_send_attr(struct mlx5dr_send_engine_post_attr *send_attr,
+			 void *comp_data,
+			 uint32_t arg_idx)
+{
+	send_attr->opcode = MLX5DR_WQE_OPCODE_TBL_ACCESS;
+	send_attr->opmod = MLX5DR_WQE_GTA_OPMOD_MOD_ARG;
+	send_attr->len = MLX5DR_WQE_SZ_GTA_CTRL + MLX5DR_WQE_SZ_GTA_DATA;
+	send_attr->id = arg_idx;
+	send_attr->user_data = comp_data;
+}
+
+void mlx5dr_arg_decapl3_write(struct mlx5dr_send_engine *queue,
+			      uint32_t arg_idx,
+			      uint8_t *arg_data,
+			      uint16_t num_of_actions)
+{
+	struct mlx5dr_send_engine_post_attr send_attr = {0};
+	struct mlx5dr_wqe_gta_data_seg_arg *wqe_arg;
+	struct mlx5dr_send_engine_post_ctrl ctrl;
+	struct mlx5dr_wqe_gta_ctrl_seg *wqe_ctrl;
+	size_t wqe_len;
+
+	mlx5d_arg_init_send_attr(&send_attr, NULL, arg_idx);
+
+	ctrl = mlx5dr_send_engine_post_start(queue);
+	mlx5dr_send_engine_post_req_wqe(&ctrl, (void *)&wqe_ctrl, &wqe_len);
+	memset(wqe_ctrl, 0, wqe_len);
+	mlx5dr_send_engine_post_req_wqe(&ctrl, (void *)&wqe_arg, &wqe_len);
+	mlx5dr_action_prepare_decap_l3_data(arg_data, (uint8_t *) wqe_arg,
+					    num_of_actions);
+	mlx5dr_send_engine_post_end(&ctrl, &send_attr);
+}
+
+static int
+mlx5dr_arg_poll_for_comp(struct mlx5dr_context *ctx, uint16_t queue_id)
+{
+	struct rte_flow_op_result comp[1];
+	int ret;
+
+	while (true) {
+		ret = mlx5dr_send_queue_poll(ctx, queue_id, comp, 1);
+		if (ret) {
+			if (ret < 0) {
+				DR_LOG(ERR, "Failed mlx5dr_send_queue_poll");
+			} else if (comp[0].status == RTE_FLOW_OP_ERROR) {
+				DR_LOG(ERR, "Got comp with error");
+				rte_errno = ENOENT;
+			}
+			break;
+		}
+	}
+	return (ret == 1 ? 0 : ret);
+}
+
+void mlx5dr_arg_write(struct mlx5dr_send_engine *queue,
+		      void *comp_data,
+		      uint32_t arg_idx,
+		      uint8_t *arg_data,
+		      size_t data_size)
+{
+	struct mlx5dr_send_engine_post_attr send_attr = {0};
+	struct mlx5dr_wqe_gta_data_seg_arg *wqe_arg;
+	struct mlx5dr_send_engine_post_ctrl ctrl;
+	struct mlx5dr_wqe_gta_ctrl_seg *wqe_ctrl;
+	int i, full_iter, leftover;
+	size_t wqe_len;
+
+	mlx5d_arg_init_send_attr(&send_attr, comp_data, arg_idx);
+
+	/* Each WQE can hold 64B of data, it might require multiple iteration */
+	full_iter = data_size / MLX5DR_ARG_DATA_SIZE;
+	leftover = data_size & (MLX5DR_ARG_DATA_SIZE - 1);
+
+	for (i = 0; i < full_iter; i++) {
+		ctrl = mlx5dr_send_engine_post_start(queue);
+		mlx5dr_send_engine_post_req_wqe(&ctrl, (void *)&wqe_ctrl, &wqe_len);
+		memset(wqe_ctrl, 0, wqe_len);
+		mlx5dr_send_engine_post_req_wqe(&ctrl, (void *)&wqe_arg, &wqe_len);
+		memcpy(wqe_arg, arg_data, wqe_len);
+		send_attr.id = arg_idx++;
+		mlx5dr_send_engine_post_end(&ctrl, &send_attr);
+
+		/* Move to next argument data */
+		arg_data += MLX5DR_ARG_DATA_SIZE;
+	}
+
+	if (leftover) {
+		ctrl = mlx5dr_send_engine_post_start(queue);
+		mlx5dr_send_engine_post_req_wqe(&ctrl, (void *)&wqe_ctrl, &wqe_len);
+		memset(wqe_ctrl, 0, wqe_len); // TODO OPT: GTA ctrl might be ignored in case of arg
+		mlx5dr_send_engine_post_req_wqe(&ctrl, (void *)&wqe_arg, &wqe_len);
+		memcpy(wqe_arg, arg_data, leftover);
+		send_attr.id = arg_idx;
+		mlx5dr_send_engine_post_end(&ctrl, &send_attr);
+	}
+}
+
+int mlx5dr_arg_write_inline_arg_data(struct mlx5dr_context *ctx,
+				     uint32_t arg_idx,
+				     uint8_t *arg_data,
+				     size_t data_size)
+{
+	struct mlx5dr_send_engine *queue;
+	int ret;
+
+	pthread_spin_lock(&ctx->ctrl_lock);
+
+	/* Get the control queue */
+	queue = &ctx->send_queue[ctx->queues - 1];
+
+	mlx5dr_arg_write(queue, arg_data, arg_idx, arg_data, data_size);
+
+	mlx5dr_send_engine_flush_queue(queue);
+
+	/* Poll for completion */
+	ret = mlx5dr_arg_poll_for_comp(ctx, ctx->queues - 1);
+	if (ret)
+		DR_LOG(ERR, "Failed to get completions for shared action");
+
+	pthread_spin_unlock(&ctx->ctrl_lock);
+
+	return ret;
+}
+
+bool mlx5dr_arg_is_valid_arg_request_size(struct mlx5dr_context *ctx,
+					  uint32_t arg_size)
+{
+	if (arg_size < ctx->caps->log_header_modify_argument_granularity ||
+	    arg_size > ctx->caps->log_header_modify_argument_max_alloc) {
+		return false;
+	}
+	return true;
+}
+
+static int
+mlx5dr_arg_create_modify_header_arg(struct mlx5dr_context *ctx,
+				    struct mlx5dr_action *action,
+				    uint16_t num_of_actions,
+				    __be64 *pattern,
+				    uint32_t bulk_size)
+{
+	uint32_t flags = action->flags;
+	uint16_t args_log_size;
+	int ret = 0;
+
+	/* Alloc bulk of args */
+	args_log_size = mlx5dr_arg_get_arg_log_size(num_of_actions);
+	if (args_log_size >= MLX5DR_ARG_CHUNK_SIZE_MAX) {
+		DR_LOG(ERR, "Exceed number of allowed actions %u",
+			num_of_actions);
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+
+	if (!mlx5dr_arg_is_valid_arg_request_size(ctx, args_log_size + bulk_size)) {
+		DR_LOG(ERR, "Arg size %d does not fit FW capability",
+		       args_log_size + bulk_size);
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+
+	action->modify_header.arg_obj =
+		mlx5dr_cmd_arg_create(ctx->ibv_ctx, args_log_size + bulk_size,
+				      ctx->pd_num);
+	if (!action->modify_header.arg_obj) {
+		DR_LOG(ERR, "Failed allocating arg in order: %d",
+			args_log_size + bulk_size);
+		return rte_errno;
+	}
+
+	/* When INLINE need to write the arg data */
+	if (flags & MLX5DR_ACTION_FLAG_SHARED)
+		ret = mlx5dr_arg_write_inline_arg_data(ctx,
+						       action->modify_header.arg_obj->id,
+						       (uint8_t *)pattern,
+						       num_of_actions *
+						       MLX5DR_MODIFY_ACTION_SIZE);
+	if (ret) {
+		DR_LOG(ERR, "Failed writing INLINE arg in order: %d",
+			args_log_size + bulk_size);
+		mlx5dr_cmd_destroy_obj(action->modify_header.arg_obj);
+		return rte_errno;
+	}
+
+	return 0;
+}
+
+int mlx5dr_pat_arg_create_modify_header(struct mlx5dr_context *ctx,
+					struct mlx5dr_action *action,
+					size_t pattern_sz,
+					__be64 pattern[],
+					uint32_t bulk_size)
+{
+	uint16_t num_of_actions;
+	int ret;
+
+	num_of_actions = pattern_sz / MLX5DR_MODIFY_ACTION_SIZE;
+	if (num_of_actions == 0) {
+		DR_LOG(ERR, "Invalid number of actions %u\n", num_of_actions);
+		rte_errno = EINVAL;
+		return rte_errno;
+	}
+
+	action->modify_header.num_of_actions = num_of_actions;
+
+	ret = mlx5dr_arg_create_modify_header_arg(ctx, action,
+						  num_of_actions,
+						  pattern,
+						  bulk_size);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate arg");
+		return ret;
+	}
+
+	ret = mlx5dr_pat_get_pattern(ctx, action, num_of_actions, pattern_sz,
+				     pattern);
+	if (ret) {
+		DR_LOG(ERR, "Failed to allocate pattern");
+		goto free_arg;
+	}
+
+	return 0;
+
+free_arg:
+	mlx5dr_cmd_destroy_obj(action->modify_header.arg_obj);
+	return rte_errno;
+}
+
+void mlx5dr_pat_arg_destroy_modify_header(struct mlx5dr_context *ctx,
+					  struct mlx5dr_action *action)
+{
+	mlx5dr_cmd_destroy_obj(action->modify_header.arg_obj);
+	mlx5dr_pat_put_pattern(ctx->pattern_cache, action);
+}
diff --git a/drivers/net/mlx5/hws/mlx5dr_pat_arg.h b/drivers/net/mlx5/hws/mlx5dr_pat_arg.h
new file mode 100644
index 0000000000..8a4670427f
--- /dev/null
+++ b/drivers/net/mlx5/hws/mlx5dr_pat_arg.h
@@ -0,0 +1,83 @@ 
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright (c) 2022 NVIDIA Corporation & Affiliates
+ */
+
+#ifndef MLX5DR_PAT_ARG_H_
+#define MLX5DR_PAT_ARG_H_
+
+/* Modify-header arg pool */
+enum mlx5dr_arg_chunk_size {
+	MLX5DR_ARG_CHUNK_SIZE_1,
+	/* Keep MIN updated when changing */
+	MLX5DR_ARG_CHUNK_SIZE_MIN = MLX5DR_ARG_CHUNK_SIZE_1,
+	MLX5DR_ARG_CHUNK_SIZE_2,
+	MLX5DR_ARG_CHUNK_SIZE_3,
+	MLX5DR_ARG_CHUNK_SIZE_4,
+	MLX5DR_ARG_CHUNK_SIZE_MAX,
+};
+
+enum {
+	MLX5DR_MODIFY_ACTION_SIZE = 8,
+	MLX5DR_ARG_DATA_SIZE = 64,
+};
+
+struct mlx5dr_pattern_cache {
+	/* Protect pattern list */
+	pthread_spinlock_t lock;
+	LIST_HEAD(pattern_head, mlx5dr_pat_cached_pattern) head;
+};
+
+struct mlx5dr_pat_cached_pattern {
+	enum mlx5dr_action_type type;
+	struct {
+		struct mlx5dr_devx_obj *pattern_obj;
+		struct dr_icm_chunk *chunk;
+		uint8_t *data;
+		uint16_t num_of_actions;
+	} mh_data;
+	rte_atomic32_t refcount;
+	LIST_ENTRY(mlx5dr_pat_cached_pattern) next;
+};
+
+enum mlx5dr_arg_chunk_size
+mlx5dr_arg_get_arg_log_size(uint16_t num_of_actions);
+
+uint32_t mlx5dr_arg_get_arg_size(uint16_t num_of_actions);
+
+enum mlx5dr_arg_chunk_size
+mlx5dr_arg_data_size_to_arg_log_size(uint16_t data_size);
+
+uint32_t mlx5dr_arg_data_size_to_arg_size(uint16_t data_size);
+
+int mlx5dr_pat_init_pattern_cache(struct mlx5dr_pattern_cache **cache);
+
+void mlx5dr_pat_uninit_pattern_cache(struct mlx5dr_pattern_cache *cache);
+
+int mlx5dr_pat_arg_create_modify_header(struct mlx5dr_context *ctx,
+					struct mlx5dr_action *action,
+					size_t pattern_sz,
+					__be64 pattern[],
+					uint32_t bulk_size);
+
+void mlx5dr_pat_arg_destroy_modify_header(struct mlx5dr_context *ctx,
+					  struct mlx5dr_action *action);
+
+bool mlx5dr_arg_is_valid_arg_request_size(struct mlx5dr_context *ctx,
+					  uint32_t arg_size);
+
+void mlx5dr_arg_write(struct mlx5dr_send_engine *queue,
+		      void *comp_data,
+		      uint32_t arg_idx,
+		      uint8_t *arg_data,
+		      size_t data_size);
+
+void mlx5dr_arg_decapl3_write(struct mlx5dr_send_engine *queue,
+			      uint32_t arg_idx,
+			      uint8_t *arg_data,
+			      uint16_t num_of_actions);
+
+int mlx5dr_arg_write_inline_arg_data(struct mlx5dr_context *ctx,
+				     uint32_t arg_idx,
+				     uint8_t *arg_data,
+				     size_t data_size);
+#endif /* MLX5DR_PAT_ARG_H_ */