1 files changed, 1108 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
new file mode 100644
index 000000000..0726848eb
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_matcher.c
@@ -0,0 +1,1108 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/* Copyright (c) 2019 Mellanox Technologies. */
+
+#include "dr_types.h"
+
+static bool dr_mask_is_smac_set(struct mlx5dr_match_spec *spec)
+{
+	return (spec->smac_47_16 || spec->smac_15_0);
+}
+
+static bool dr_mask_is_dmac_set(struct mlx5dr_match_spec *spec)
+{
+	return (spec->dmac_47_16 || spec->dmac_15_0);
+}
+
+static bool dr_mask_is_l3_base_set(struct mlx5dr_match_spec *spec)
+{
+	return (spec->ip_protocol || spec->frag || spec->tcp_flags ||
+		spec->ip_ecn || spec->ip_dscp);
+}
+
+static bool dr_mask_is_tcp_udp_base_set(struct mlx5dr_match_spec *spec)
+{
+	return (spec->tcp_sport || spec->tcp_dport ||
+		spec->udp_sport || spec->udp_dport);
+}
+
+static bool dr_mask_is_ipv4_set(struct mlx5dr_match_spec *spec)
+{
+	return (spec->dst_ip_31_0 || spec->src_ip_31_0);
+}
+
+static bool dr_mask_is_ipv4_5_tuple_set(struct mlx5dr_match_spec *spec)
+{
+	return (dr_mask_is_l3_base_set(spec) ||
+		dr_mask_is_tcp_udp_base_set(spec) ||
+		dr_mask_is_ipv4_set(spec));
+}
+
+static bool dr_mask_is_eth_l2_tnl_set(struct mlx5dr_match_misc *misc)
+{
+	return misc->vxlan_vni;
+}
+
+static bool dr_mask_is_ttl_set(struct mlx5dr_match_spec *spec)
+{
+	return spec->ttl_hoplimit;
+}
+
+static bool dr_mask_is_ipv4_ihl_set(struct mlx5dr_match_spec *spec)
+{
+	return spec->ipv4_ihl;
+}
+
+#define DR_MASK_IS_L2_DST(_spec, _misc, _inner_outer) (_spec.first_vid || \
+	(_spec).first_cfi || (_spec).first_prio || (_spec).cvlan_tag || \
+	(_spec).svlan_tag || (_spec).dmac_47_16 || (_spec).dmac_15_0 || \
+	(_spec).ethertype || (_spec).ip_version || \
+	(_misc)._inner_outer##_second_vid || \
+	(_misc)._inner_outer##_second_cfi || \
+	(_misc)._inner_outer##_second_prio || \
+	(_misc)._inner_outer##_second_cvlan_tag || \
+	(_misc)._inner_outer##_second_svlan_tag)
+
+#define DR_MASK_IS_ETH_L4_SET(_spec, _misc, _inner_outer) ( \
+	dr_mask_is_l3_base_set(&(_spec)) || \
+	dr_mask_is_tcp_udp_base_set(&(_spec)) || \
+	dr_mask_is_ttl_set(&(_spec)) || \
+	(_misc)._inner_outer##_ipv6_flow_label)
+
+#define DR_MASK_IS_ETH_L4_MISC_SET(_misc3, _inner_outer) ( \
+	(_misc3)._inner_outer##_tcp_seq_num || \
+	(_misc3)._inner_outer##_tcp_ack_num)
+
+#define DR_MASK_IS_FIRST_MPLS_SET(_misc2, _inner_outer) ( \
+	(_misc2)._inner_outer##_first_mpls_label || \
+	(_misc2)._inner_outer##_first_mpls_exp || \
+	(_misc2)._inner_outer##_first_mpls_s_bos || \
+	(_misc2)._inner_outer##_first_mpls_ttl)
+
+static bool dr_mask_is_tnl_gre_set(struct mlx5dr_match_misc *misc)
+{
+	return (misc->gre_key_h || misc->gre_key_l ||
+		misc->gre_protocol || misc->gre_c_present ||
+		misc->gre_k_present || misc->gre_s_present);
+}
+
+#define DR_MASK_IS_OUTER_MPLS_OVER_GRE_SET(_misc) (\
+	(_misc)->outer_first_mpls_over_gre_label || \
+	(_misc)->outer_first_mpls_over_gre_exp || \
+	(_misc)->outer_first_mpls_over_gre_s_bos || \
+	(_misc)->outer_first_mpls_over_gre_ttl)
+
+#define DR_MASK_IS_OUTER_MPLS_OVER_UDP_SET(_misc) (\
+	(_misc)->outer_first_mpls_over_udp_label || \
+	(_misc)->outer_first_mpls_over_udp_exp || \
+	(_misc)->outer_first_mpls_over_udp_s_bos || \
+	(_misc)->outer_first_mpls_over_udp_ttl)
+
+static bool
+dr_mask_is_vxlan_gpe_set(struct mlx5dr_match_misc3 *misc3)
+{
+	return (misc3->outer_vxlan_gpe_vni ||
+		misc3->outer_vxlan_gpe_next_protocol ||
+		misc3->outer_vxlan_gpe_flags);
+}
+
+static bool
+dr_matcher_supp_vxlan_gpe(struct mlx5dr_cmd_caps *caps)
+{
+	return (caps->sw_format_ver >= MLX5_STEERING_FORMAT_CONNECTX_6DX) ||
+	       (caps->flex_protocols & MLX5_FLEX_PARSER_VXLAN_GPE_ENABLED);
+}
+
+static bool
+dr_mask_is_tnl_vxlan_gpe(struct mlx5dr_match_param *mask,
+			 struct mlx5dr_domain *dmn)
+{
+	return dr_mask_is_vxlan_gpe_set(&mask->misc3) &&
+	       dr_matcher_supp_vxlan_gpe(&dmn->info.caps);
+}
+
+static bool dr_mask_is_tnl_geneve_set(struct mlx5dr_match_misc *misc)
+{
+	return misc->geneve_vni ||
+	       misc->geneve_oam ||
+	       misc->geneve_protocol_type ||
+	       misc->geneve_opt_len;
+}
+
+static bool dr_mask_is_tnl_geneve_tlv_opt(struct mlx5dr_match_misc3 *misc3)
+{
+	return misc3->geneve_tlv_option_0_data;
+}
+
+static bool
+dr_matcher_supp_flex_parser_ok(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_parser_ok_bits_supp;
+}
+
+static bool dr_mask_is_tnl_geneve_tlv_opt_exist_set(struct mlx5dr_match_misc *misc,
+						    struct mlx5dr_domain *dmn)
+{
+	return dr_matcher_supp_flex_parser_ok(&dmn->info.caps) &&
+	       misc->geneve_tlv_option_0_exist;
+}
+
+static bool
+dr_matcher_supp_tnl_geneve(struct mlx5dr_cmd_caps *caps)
+{
+	return (caps->sw_format_ver >= MLX5_STEERING_FORMAT_CONNECTX_6DX) ||
+	       (caps->flex_protocols & MLX5_FLEX_PARSER_GENEVE_ENABLED);
+}
+
+static bool
+dr_mask_is_tnl_geneve(struct mlx5dr_match_param *mask,
+		      struct mlx5dr_domain *dmn)
+{
+	return dr_mask_is_tnl_geneve_set(&mask->misc) &&
+	       dr_matcher_supp_tnl_geneve(&dmn->info.caps);
+}
+
+static bool dr_mask_is_tnl_gtpu_set(struct mlx5dr_match_misc3 *misc3)
+{
+	return misc3->gtpu_msg_flags || misc3->gtpu_msg_type || misc3->gtpu_teid;
+}
+
+static bool dr_matcher_supp_tnl_gtpu(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_GTPU_ENABLED;
+}
+
+static bool dr_mask_is_tnl_gtpu(struct mlx5dr_match_param *mask,
+				struct mlx5dr_domain *dmn)
+{
+	return dr_mask_is_tnl_gtpu_set(&mask->misc3) &&
+	       dr_matcher_supp_tnl_gtpu(&dmn->info.caps);
+}
+
+static int dr_matcher_supp_tnl_gtpu_dw_0(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_GTPU_DW_0_ENABLED;
+}
+
+static bool dr_mask_is_tnl_gtpu_dw_0(struct mlx5dr_match_param *mask,
+				     struct mlx5dr_domain *dmn)
+{
+	return mask->misc3.gtpu_dw_0 &&
+	       dr_matcher_supp_tnl_gtpu_dw_0(&dmn->info.caps);
+}
+
+static int dr_matcher_supp_tnl_gtpu_teid(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_GTPU_TEID_ENABLED;
+}
+
+static bool dr_mask_is_tnl_gtpu_teid(struct mlx5dr_match_param *mask,
+				     struct mlx5dr_domain *dmn)
+{
+	return mask->misc3.gtpu_teid &&
+	       dr_matcher_supp_tnl_gtpu_teid(&dmn->info.caps);
+}
+
+static int dr_matcher_supp_tnl_gtpu_dw_2(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_GTPU_DW_2_ENABLED;
+}
+
+static bool dr_mask_is_tnl_gtpu_dw_2(struct mlx5dr_match_param *mask,
+				     struct mlx5dr_domain *dmn)
+{
+	return mask->misc3.gtpu_dw_2 &&
+	       dr_matcher_supp_tnl_gtpu_dw_2(&dmn->info.caps);
+}
+
+static int dr_matcher_supp_tnl_gtpu_first_ext(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_GTPU_FIRST_EXT_DW_0_ENABLED;
+}
+
+static bool dr_mask_is_tnl_gtpu_first_ext(struct mlx5dr_match_param *mask,
+					  struct mlx5dr_domain *dmn)
+{
+	return mask->misc3.gtpu_first_ext_dw_0 &&
+	       dr_matcher_supp_tnl_gtpu_first_ext(&dmn->info.caps);
+}
+
+static bool dr_mask_is_tnl_gtpu_flex_parser_0(struct mlx5dr_match_param *mask,
+					      struct mlx5dr_domain *dmn)
+{
+	struct mlx5dr_cmd_caps *caps = &dmn->info.caps;
+
+	return (dr_is_flex_parser_0_id(caps->flex_parser_id_gtpu_dw_0) &&
+		dr_mask_is_tnl_gtpu_dw_0(mask, dmn)) ||
+	       (dr_is_flex_parser_0_id(caps->flex_parser_id_gtpu_teid) &&
+		dr_mask_is_tnl_gtpu_teid(mask, dmn)) ||
+	       (dr_is_flex_parser_0_id(caps->flex_parser_id_gtpu_dw_2) &&
+		dr_mask_is_tnl_gtpu_dw_2(mask, dmn)) ||
+	       (dr_is_flex_parser_0_id(caps->flex_parser_id_gtpu_first_ext_dw_0) &&
+		dr_mask_is_tnl_gtpu_first_ext(mask, dmn));
+}
+
+static bool dr_mask_is_tnl_gtpu_flex_parser_1(struct mlx5dr_match_param *mask,
+					      struct mlx5dr_domain *dmn)
+{
+	struct mlx5dr_cmd_caps *caps = &dmn->info.caps;
+
+	return (dr_is_flex_parser_1_id(caps->flex_parser_id_gtpu_dw_0) &&
+		dr_mask_is_tnl_gtpu_dw_0(mask, dmn)) ||
+	       (dr_is_flex_parser_1_id(caps->flex_parser_id_gtpu_teid) &&
+		dr_mask_is_tnl_gtpu_teid(mask, dmn)) ||
+	       (dr_is_flex_parser_1_id(caps->flex_parser_id_gtpu_dw_2) &&
+		dr_mask_is_tnl_gtpu_dw_2(mask, dmn)) ||
+	       (dr_is_flex_parser_1_id(caps->flex_parser_id_gtpu_first_ext_dw_0) &&
+		dr_mask_is_tnl_gtpu_first_ext(mask, dmn));
+}
+
+static bool dr_mask_is_tnl_gtpu_any(struct mlx5dr_match_param *mask,
+				    struct mlx5dr_domain *dmn)
+{
+	return dr_mask_is_tnl_gtpu_flex_parser_0(mask, dmn) ||
+	       dr_mask_is_tnl_gtpu_flex_parser_1(mask, dmn) ||
+	       dr_mask_is_tnl_gtpu(mask, dmn);
+}
+
+static int dr_matcher_supp_icmp_v4(struct mlx5dr_cmd_caps *caps)
+{
+	return (caps->sw_format_ver >= MLX5_STEERING_FORMAT_CONNECTX_6DX) ||
+	       (caps->flex_protocols & MLX5_FLEX_PARSER_ICMP_V4_ENABLED);
+}
+
+static int dr_matcher_supp_icmp_v6(struct mlx5dr_cmd_caps *caps)
+{
+	return (caps->sw_format_ver >= MLX5_STEERING_FORMAT_CONNECTX_6DX) ||
+	       (caps->flex_protocols & MLX5_FLEX_PARSER_ICMP_V6_ENABLED);
+}
+
+static bool dr_mask_is_icmpv6_set(struct mlx5dr_match_misc3 *misc3)
+{
+	return (misc3->icmpv6_type || misc3->icmpv6_code ||
+		misc3->icmpv6_header_data);
+}
+
+static bool dr_mask_is_icmp(struct mlx5dr_match_param *mask,
+			    struct mlx5dr_domain *dmn)
+{
+	if (DR_MASK_IS_ICMPV4_SET(&mask->misc3))
+		return dr_matcher_supp_icmp_v4(&dmn->info.caps);
+	else if (dr_mask_is_icmpv6_set(&mask->misc3))
+		return dr_matcher_supp_icmp_v6(&dmn->info.caps);
+
+	return false;
+}
+
+static bool dr_mask_is_wqe_metadata_set(struct mlx5dr_match_misc2 *misc2)
+{
+	return misc2->metadata_reg_a;
+}
+
+static bool dr_mask_is_reg_c_0_3_set(struct mlx5dr_match_misc2 *misc2)
+{
+	return (misc2->metadata_reg_c_0 || misc2->metadata_reg_c_1 ||
+		misc2->metadata_reg_c_2 || misc2->metadata_reg_c_3);
+}
+
+static bool dr_mask_is_reg_c_4_7_set(struct mlx5dr_match_misc2 *misc2)
+{
+	return (misc2->metadata_reg_c_4 || misc2->metadata_reg_c_5 ||
+		misc2->metadata_reg_c_6 || misc2->metadata_reg_c_7);
+}
+
+static bool dr_mask_is_gvmi_or_qpn_set(struct mlx5dr_match_misc *misc)
+{
+	return (misc->source_sqn || misc->source_port);
+}
+
+static bool dr_mask_is_flex_parser_id_0_3_set(u32 flex_parser_id,
+					      u32 flex_parser_value)
+{
+	if (flex_parser_id)
+		return flex_parser_id <= DR_STE_MAX_FLEX_0_ID;
+
+	/* Using flex_parser 0 means that id is zero, thus value must be set. */
+	return flex_parser_value;
+}
+
+static bool dr_mask_is_flex_parser_0_3_set(struct mlx5dr_match_misc4 *misc4)
+{
+	return (dr_mask_is_flex_parser_id_0_3_set(misc4->prog_sample_field_id_0,
+						  misc4->prog_sample_field_value_0) ||
+		dr_mask_is_flex_parser_id_0_3_set(misc4->prog_sample_field_id_1,
+						  misc4->prog_sample_field_value_1) ||
+		dr_mask_is_flex_parser_id_0_3_set(misc4->prog_sample_field_id_2,
+						  misc4->prog_sample_field_value_2) ||
+		dr_mask_is_flex_parser_id_0_3_set(misc4->prog_sample_field_id_3,
+						  misc4->prog_sample_field_value_3));
+}
+
+static bool dr_mask_is_flex_parser_id_4_7_set(u32 flex_parser_id)
+{
+	return flex_parser_id > DR_STE_MAX_FLEX_0_ID &&
+	       flex_parser_id <= DR_STE_MAX_FLEX_1_ID;
+}
+
+static bool dr_mask_is_flex_parser_4_7_set(struct mlx5dr_match_misc4 *misc4)
+{
+	return (dr_mask_is_flex_parser_id_4_7_set(misc4->prog_sample_field_id_0) ||
+		dr_mask_is_flex_parser_id_4_7_set(misc4->prog_sample_field_id_1) ||
+		dr_mask_is_flex_parser_id_4_7_set(misc4->prog_sample_field_id_2) ||
+		dr_mask_is_flex_parser_id_4_7_set(misc4->prog_sample_field_id_3));
+}
+
+static int dr_matcher_supp_tnl_mpls_over_gre(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_MPLS_OVER_GRE_ENABLED;
+}
+
+static bool dr_mask_is_tnl_mpls_over_gre(struct mlx5dr_match_param *mask,
+					 struct mlx5dr_domain *dmn)
+{
+	return DR_MASK_IS_OUTER_MPLS_OVER_GRE_SET(&mask->misc2) &&
+	       dr_matcher_supp_tnl_mpls_over_gre(&dmn->info.caps);
+}
+
+static int dr_matcher_supp_tnl_mpls_over_udp(struct mlx5dr_cmd_caps *caps)
+{
+	return caps->flex_protocols & MLX5_FLEX_PARSER_MPLS_OVER_UDP_ENABLED;
+}
+
+static bool dr_mask_is_tnl_mpls_over_udp(struct mlx5dr_match_param *mask,
+					 struct mlx5dr_domain *dmn)
+{
+	return DR_MASK_IS_OUTER_MPLS_OVER_UDP_SET(&mask->misc2) &&
+	       dr_matcher_supp_tnl_mpls_over_udp(&dmn->info.caps);
+}
+
+static bool dr_mask_is_tnl_header_0_1_set(struct mlx5dr_match_misc5 *misc5)
+{
+	return misc5->tunnel_header_0 || misc5->tunnel_header_1;
+}
+
+int mlx5dr_matcher_select_builders(struct mlx5dr_matcher *matcher,
+				   struct mlx5dr_matcher_rx_tx *nic_matcher,
+				   enum mlx5dr_ipv outer_ipv,
+				   enum mlx5dr_ipv inner_ipv)
+{
+	nic_matcher->ste_builder =
+		nic_matcher->ste_builder_arr[outer_ipv][inner_ipv];
+	nic_matcher->num_of_builders =
+		nic_matcher->num_of_builders_arr[outer_ipv][inner_ipv];
+
+	if (!nic_matcher->num_of_builders) {
+		mlx5dr_dbg(matcher->tbl->dmn,
+			   "Rule not supported on this matcher due to IP related fields\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int dr_matcher_set_ste_builders(struct mlx5dr_matcher *matcher,
+				       struct mlx5dr_matcher_rx_tx *nic_matcher,
+				       enum mlx5dr_ipv outer_ipv,
+				       enum mlx5dr_ipv inner_ipv)
+{
+	struct mlx5dr_domain_rx_tx *nic_dmn = nic_matcher->nic_tbl->nic_dmn;
+	struct mlx5dr_domain *dmn = matcher->tbl->dmn;
+	struct mlx5dr_ste_ctx *ste_ctx = dmn->ste_ctx;
+	struct mlx5dr_match_param mask = {};
+	bool allow_empty_match = false;
+	struct mlx5dr_ste_build *sb;
+	bool inner, rx;
+	int idx = 0;
+	int ret, i;
+
+	sb = nic_matcher->ste_builder_arr[outer_ipv][inner_ipv];
+	rx = nic_dmn->type == DR_DOMAIN_NIC_TYPE_RX;
+
+	/* Create a temporary mask to track and clear used mask fields */
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_OUTER)
+		mask.outer = matcher->mask.outer;
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_MISC)
+		mask.misc = matcher->mask.misc;
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_INNER)
+		mask.inner = matcher->mask.inner;
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_MISC2)
+		mask.misc2 = matcher->mask.misc2;
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_MISC3)
+		mask.misc3 = matcher->mask.misc3;
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_MISC4)
+		mask.misc4 = matcher->mask.misc4;
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_MISC5)
+		mask.misc5 = matcher->mask.misc5;
+
+	ret = mlx5dr_ste_build_pre_check(dmn, matcher->match_criteria,
+					 &matcher->mask, NULL);
+	if (ret)
+		return ret;
+
+	/* Optimize RX pipe by reducing source port match, since
+	 * the FDB RX part is connected only to the wire.
+	 */
+	if (dmn->type == MLX5DR_DOMAIN_TYPE_FDB &&
+	    rx && mask.misc.source_port) {
+		mask.misc.source_port = 0;
+		mask.misc.source_eswitch_owner_vhca_id = 0;
+		allow_empty_match = true;
+	}
+
+	/* Outer */
+	if (matcher->match_criteria & (DR_MATCHER_CRITERIA_OUTER |
+				       DR_MATCHER_CRITERIA_MISC |
+				       DR_MATCHER_CRITERIA_MISC2 |
+				       DR_MATCHER_CRITERIA_MISC3 |
+				       DR_MATCHER_CRITERIA_MISC5)) {
+		inner = false;
+
+		if (dr_mask_is_wqe_metadata_set(&mask.misc2))
+			mlx5dr_ste_build_general_purpose(ste_ctx, &sb[idx++],
+							 &mask, inner, rx);
+
+		if (dr_mask_is_reg_c_0_3_set(&mask.misc2))
+			mlx5dr_ste_build_register_0(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (dr_mask_is_reg_c_4_7_set(&mask.misc2))
+			mlx5dr_ste_build_register_1(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (dr_mask_is_gvmi_or_qpn_set(&mask.misc) &&
+		    (dmn->type == MLX5DR_DOMAIN_TYPE_FDB ||
+		     dmn->type == MLX5DR_DOMAIN_TYPE_NIC_RX)) {
+			mlx5dr_ste_build_src_gvmi_qpn(ste_ctx, &sb[idx++],
+						      &mask, dmn, inner, rx);
+		}
+
+		if (dr_mask_is_smac_set(&mask.outer) &&
+		    dr_mask_is_dmac_set(&mask.outer)) {
+			mlx5dr_ste_build_eth_l2_src_dst(ste_ctx, &sb[idx++],
+							&mask, inner, rx);
+		}
+
+		if (dr_mask_is_smac_set(&mask.outer))
+			mlx5dr_ste_build_eth_l2_src(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (DR_MASK_IS_L2_DST(mask.outer, mask.misc, outer))
+			mlx5dr_ste_build_eth_l2_dst(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (outer_ipv == DR_RULE_IPV6) {
+			if (DR_MASK_IS_DST_IP_SET(&mask.outer))
+				mlx5dr_ste_build_eth_l3_ipv6_dst(ste_ctx, &sb[idx++],
+								 &mask, inner, rx);
+
+			if (DR_MASK_IS_SRC_IP_SET(&mask.outer))
+				mlx5dr_ste_build_eth_l3_ipv6_src(ste_ctx, &sb[idx++],
+								 &mask, inner, rx);
+
+			if (DR_MASK_IS_ETH_L4_SET(mask.outer, mask.misc, outer))
+				mlx5dr_ste_build_eth_ipv6_l3_l4(ste_ctx, &sb[idx++],
+								&mask, inner, rx);
+		} else {
+			if (dr_mask_is_ipv4_5_tuple_set(&mask.outer))
+				mlx5dr_ste_build_eth_l3_ipv4_5_tuple(ste_ctx, &sb[idx++],
+								     &mask, inner, rx);
+
+			if (dr_mask_is_ttl_set(&mask.outer) ||
+			    dr_mask_is_ipv4_ihl_set(&mask.outer))
+				mlx5dr_ste_build_eth_l3_ipv4_misc(ste_ctx, &sb[idx++],
+								  &mask, inner, rx);
+		}
+
+		if (dr_mask_is_tnl_vxlan_gpe(&mask, dmn))
+			mlx5dr_ste_build_tnl_vxlan_gpe(ste_ctx, &sb[idx++],
+						       &mask, inner, rx);
+		else if (dr_mask_is_tnl_geneve(&mask, dmn)) {
+			mlx5dr_ste_build_tnl_geneve(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+			if (dr_mask_is_tnl_geneve_tlv_opt(&mask.misc3))
+				mlx5dr_ste_build_tnl_geneve_tlv_opt(ste_ctx, &sb[idx++],
+								    &mask, &dmn->info.caps,
+								    inner, rx);
+			if (dr_mask_is_tnl_geneve_tlv_opt_exist_set(&mask.misc, dmn))
+				mlx5dr_ste_build_tnl_geneve_tlv_opt_exist(ste_ctx, &sb[idx++],
+									  &mask, &dmn->info.caps,
+									  inner, rx);
+		} else if (dr_mask_is_tnl_gtpu_any(&mask, dmn)) {
+			if (dr_mask_is_tnl_gtpu_flex_parser_0(&mask, dmn))
+				mlx5dr_ste_build_tnl_gtpu_flex_parser_0(ste_ctx, &sb[idx++],
+									&mask, &dmn->info.caps,
+									inner, rx);
+
+			if (dr_mask_is_tnl_gtpu_flex_parser_1(&mask, dmn))
+				mlx5dr_ste_build_tnl_gtpu_flex_parser_1(ste_ctx, &sb[idx++],
+									&mask, &dmn->info.caps,
+									inner, rx);
+
+			if (dr_mask_is_tnl_gtpu(&mask, dmn))
+				mlx5dr_ste_build_tnl_gtpu(ste_ctx, &sb[idx++],
+							  &mask, inner, rx);
+		} else if (dr_mask_is_tnl_header_0_1_set(&mask.misc5)) {
+			mlx5dr_ste_build_tnl_header_0_1(ste_ctx, &sb[idx++],
+							&mask, inner, rx);
+		}
+
+		if (DR_MASK_IS_ETH_L4_MISC_SET(mask.misc3, outer))
+			mlx5dr_ste_build_eth_l4_misc(ste_ctx, &sb[idx++],
+						     &mask, inner, rx);
+
+		if (DR_MASK_IS_FIRST_MPLS_SET(mask.misc2, outer))
+			mlx5dr_ste_build_mpls(ste_ctx, &sb[idx++],
+					      &mask, inner, rx);
+
+		if (dr_mask_is_tnl_mpls_over_gre(&mask, dmn))
+			mlx5dr_ste_build_tnl_mpls_over_gre(ste_ctx, &sb[idx++],
+							   &mask, &dmn->info.caps,
+							   inner, rx);
+		else if (dr_mask_is_tnl_mpls_over_udp(&mask, dmn))
+			mlx5dr_ste_build_tnl_mpls_over_udp(ste_ctx, &sb[idx++],
+							   &mask, &dmn->info.caps,
+							   inner, rx);
+
+		if (dr_mask_is_icmp(&mask, dmn))
+			mlx5dr_ste_build_icmp(ste_ctx, &sb[idx++],
+					      &mask, &dmn->info.caps,
+					      inner, rx);
+
+		if (dr_mask_is_tnl_gre_set(&mask.misc))
+			mlx5dr_ste_build_tnl_gre(ste_ctx, &sb[idx++],
+						 &mask, inner, rx);
+	}
+
+	/* Inner */
+	if (matcher->match_criteria & (DR_MATCHER_CRITERIA_INNER |
+				       DR_MATCHER_CRITERIA_MISC |
+				       DR_MATCHER_CRITERIA_MISC2 |
+				       DR_MATCHER_CRITERIA_MISC3)) {
+		inner = true;
+
+		if (dr_mask_is_eth_l2_tnl_set(&mask.misc))
+			mlx5dr_ste_build_eth_l2_tnl(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (dr_mask_is_smac_set(&mask.inner) &&
+		    dr_mask_is_dmac_set(&mask.inner)) {
+			mlx5dr_ste_build_eth_l2_src_dst(ste_ctx, &sb[idx++],
+							&mask, inner, rx);
+		}
+
+		if (dr_mask_is_smac_set(&mask.inner))
+			mlx5dr_ste_build_eth_l2_src(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (DR_MASK_IS_L2_DST(mask.inner, mask.misc, inner))
+			mlx5dr_ste_build_eth_l2_dst(ste_ctx, &sb[idx++],
+						    &mask, inner, rx);
+
+		if (inner_ipv == DR_RULE_IPV6) {
+			if (DR_MASK_IS_DST_IP_SET(&mask.inner))
+				mlx5dr_ste_build_eth_l3_ipv6_dst(ste_ctx, &sb[idx++],
+								 &mask, inner, rx);
+
+			if (DR_MASK_IS_SRC_IP_SET(&mask.inner))
+				mlx5dr_ste_build_eth_l3_ipv6_src(ste_ctx, &sb[idx++],
+								 &mask, inner, rx);
+
+			if (DR_MASK_IS_ETH_L4_SET(mask.inner, mask.misc, inner))
+				mlx5dr_ste_build_eth_ipv6_l3_l4(ste_ctx, &sb[idx++],
+								&mask, inner, rx);
+		} else {
+			if (dr_mask_is_ipv4_5_tuple_set(&mask.inner))
+				mlx5dr_ste_build_eth_l3_ipv4_5_tuple(ste_ctx, &sb[idx++],
+								     &mask, inner, rx);
+
+			if (dr_mask_is_ttl_set(&mask.inner) ||
+			    dr_mask_is_ipv4_ihl_set(&mask.inner))
+				mlx5dr_ste_build_eth_l3_ipv4_misc(ste_ctx, &sb[idx++],
+								  &mask, inner, rx);
+		}
+
+		if (DR_MASK_IS_ETH_L4_MISC_SET(mask.misc3, inner))
+			mlx5dr_ste_build_eth_l4_misc(ste_ctx, &sb[idx++],
+						     &mask, inner, rx);
+
+		if (DR_MASK_IS_FIRST_MPLS_SET(mask.misc2, inner))
+			mlx5dr_ste_build_mpls(ste_ctx, &sb[idx++],
+					      &mask, inner, rx);
+
+		if (dr_mask_is_tnl_mpls_over_gre(&mask, dmn))
+			mlx5dr_ste_build_tnl_mpls_over_gre(ste_ctx, &sb[idx++],
+							   &mask, &dmn->info.caps,
+							   inner, rx);
+		else if (dr_mask_is_tnl_mpls_over_udp(&mask, dmn))
+			mlx5dr_ste_build_tnl_mpls_over_udp(ste_ctx, &sb[idx++],
+							   &mask, &dmn->info.caps,
+							   inner, rx);
+	}
+
+	if (matcher->match_criteria & DR_MATCHER_CRITERIA_MISC4) {
+		if (dr_mask_is_flex_parser_0_3_set(&mask.misc4))
+			mlx5dr_ste_build_flex_parser_0(ste_ctx, &sb[idx++],
+						       &mask, false, rx);
+
+		if (dr_mask_is_flex_parser_4_7_set(&mask.misc4))
+			mlx5dr_ste_build_flex_parser_1(ste_ctx, &sb[idx++],
+						       &mask, false, rx);
+	}
+
+	/* Empty matcher, takes all */
+	if ((!idx && allow_empty_match) ||
+	    matcher->match_criteria == DR_MATCHER_CRITERIA_EMPTY)
+		mlx5dr_ste_build_empty_always_hit(&sb[idx++], rx);
+
+	if (idx == 0) {
+		mlx5dr_err(dmn, "Cannot generate any valid rules from mask\n");
+		return -EINVAL;
+	}
+
+	/* Check that all mask fields were consumed */
+	for (i = 0; i < sizeof(struct mlx5dr_match_param); i++) {
+		if (((u8 *)&mask)[i] != 0) {
+			mlx5dr_dbg(dmn, "Mask contains unsupported parameters\n");
+			return -EOPNOTSUPP;
+		}
+	}
+
+	nic_matcher->ste_builder = sb;
+	nic_matcher->num_of_builders_arr[outer_ipv][inner_ipv] = idx;
+
+	return 0;
+}
+
+static int dr_nic_matcher_connect(struct mlx5dr_domain *dmn,
+				  struct mlx5dr_matcher_rx_tx *curr_nic_matcher,
+				  struct mlx5dr_matcher_rx_tx *next_nic_matcher,
+				  struct mlx5dr_matcher_rx_tx *prev_nic_matcher)
+{
+	struct mlx5dr_table_rx_tx *nic_tbl = curr_nic_matcher->nic_tbl;
+	struct mlx5dr_domain_rx_tx *nic_dmn = nic_tbl->nic_dmn;
+	struct mlx5dr_htbl_connect_info info;
+	struct mlx5dr_ste_htbl *prev_htbl;
+	int ret;
+
+	/* Connect end anchor hash table to next_htbl or to the default address */
+	if (next_nic_matcher) {
+		info.type = CONNECT_HIT;
+		info.hit_next_htbl = next_nic_matcher->s_htbl;
+	} else {
+		info.type = CONNECT_MISS;
+		info.miss_icm_addr = nic_tbl->default_icm_addr;
+	}
+	ret = mlx5dr_ste_htbl_init_and_postsend(dmn, nic_dmn,
+						curr_nic_matcher->e_anchor,
+						&info, info.type == CONNECT_HIT);
+	if (ret)
+		return ret;
+
+	/* Connect start hash table to end anchor */
+	info.type = CONNECT_MISS;
+	info.miss_icm_addr = mlx5dr_icm_pool_get_chunk_icm_addr(curr_nic_matcher->e_anchor->chunk);
+	ret = mlx5dr_ste_htbl_init_and_postsend(dmn, nic_dmn,
+						curr_nic_matcher->s_htbl,
+						&info, false);
+	if (ret)
+		return ret;
+
+	/* Connect previous hash table to matcher start hash table */
+	if (prev_nic_matcher)
+		prev_htbl = prev_nic_matcher->e_anchor;
+	else
+		prev_htbl = nic_tbl->s_anchor;
+
+	info.type = CONNECT_HIT;
+	info.hit_next_htbl = curr_nic_matcher->s_htbl;
+	ret = mlx5dr_ste_htbl_init_and_postsend(dmn, nic_dmn, prev_htbl,
+						&info, true);
+	if (ret)
+		return ret;
+
+	/* Update the pointing ste and next hash table */
+	curr_nic_matcher->s_htbl->pointing_ste = prev_htbl->chunk->ste_arr;
+	prev_htbl->chunk->ste_arr[0].next_htbl = curr_nic_matcher->s_htbl;
+
+	if (next_nic_matcher) {
+		next_nic_matcher->s_htbl->pointing_ste =
+			curr_nic_matcher->e_anchor->chunk->ste_arr;
+		curr_nic_matcher->e_anchor->chunk->ste_arr[0].next_htbl =
+			next_nic_matcher->s_htbl;
+	}
+
+	return 0;
+}
+
+int mlx5dr_matcher_add_to_tbl_nic(struct mlx5dr_domain *dmn,
+				  struct mlx5dr_matcher_rx_tx *nic_matcher)
+{
+	struct mlx5dr_matcher_rx_tx *next_nic_matcher, *prev_nic_matcher, *tmp_nic_matcher;
+	struct mlx5dr_table_rx_tx *nic_tbl = nic_matcher->nic_tbl;
+	bool first = true;
+	int ret;
+
+	/* If the nic matcher is already on its parent nic table list,
+	 * then it is already connected to the chain of nic matchers.
+	 */
+	if (!list_empty(&nic_matcher->list_node))
+		return 0;
+
+	next_nic_matcher = NULL;
+	list_for_each_entry(tmp_nic_matcher, &nic_tbl->nic_matcher_list, list_node) {
+		if (tmp_nic_matcher->prio >= nic_matcher->prio) {
+			next_nic_matcher = tmp_nic_matcher;
+			break;
+		}
+		first = false;
+	}
+
+	prev_nic_matcher = NULL;
+	if (next_nic_matcher && !first)
+		prev_nic_matcher = list_prev_entry(next_nic_matcher, list_node);
+	else if (!first)
+		prev_nic_matcher = list_last_entry(&nic_tbl->nic_matcher_list,
+						   struct mlx5dr_matcher_rx_tx,
+						   list_node);
+
+	ret = dr_nic_matcher_connect(dmn, nic_matcher,
+				     next_nic_matcher, prev_nic_matcher);
+	if (ret)
+		return ret;
+
+	if (prev_nic_matcher)
+		list_add(&nic_matcher->list_node, &prev_nic_matcher->list_node);
+	else if (next_nic_matcher)
+		list_add_tail(&nic_matcher->list_node, &next_nic_matcher->list_node);
+	else
+		list_add(&nic_matcher->list_node, &nic_matcher->nic_tbl->nic_matcher_list);
+
+	return ret;
+}
+
+static void dr_matcher_uninit_nic(struct mlx5dr_matcher_rx_tx *nic_matcher)
+{
+	mlx5dr_htbl_put(nic_matcher->s_htbl);
+	mlx5dr_htbl_put(nic_matcher->e_anchor);
+}
+
+static void dr_matcher_uninit_fdb(struct mlx5dr_matcher *matcher)
+{
+	dr_matcher_uninit_nic(&matcher->rx);
+	dr_matcher_uninit_nic(&matcher->tx);
+}
+
+static void dr_matcher_uninit(struct mlx5dr_matcher *matcher)
+{
+	struct mlx5dr_domain *dmn = matcher->tbl->dmn;
+
+	switch (dmn->type) {
+	case MLX5DR_DOMAIN_TYPE_NIC_RX:
+		dr_matcher_uninit_nic(&matcher->rx);
+		break;
+	case MLX5DR_DOMAIN_TYPE_NIC_TX:
+		dr_matcher_uninit_nic(&matcher->tx);
+		break;
+	case MLX5DR_DOMAIN_TYPE_FDB:
+		dr_matcher_uninit_fdb(matcher);
+		break;
+	default:
+		WARN_ON(true);
+		break;
+	}
+}
+
+static int dr_matcher_set_all_ste_builders(struct mlx5dr_matcher *matcher,
+					   struct mlx5dr_matcher_rx_tx *nic_matcher)
+{
+	struct mlx5dr_domain *dmn = matcher->tbl->dmn;
+
+	dr_matcher_set_ste_builders(matcher, nic_matcher, DR_RULE_IPV4, DR_RULE_IPV4);
+	dr_matcher_set_ste_builders(matcher, nic_matcher, DR_RULE_IPV4, DR_RULE_IPV6);
+	dr_matcher_set_ste_builders(matcher, nic_matcher, DR_RULE_IPV6, DR_RULE_IPV4);
+	dr_matcher_set_ste_builders(matcher, nic_matcher, DR_RULE_IPV6, DR_RULE_IPV6);
+
+	if (!nic_matcher->ste_builder) {
+		mlx5dr_err(dmn, "Cannot generate IPv4 or IPv6 rules with given mask\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int dr_matcher_init_nic(struct mlx5dr_matcher *matcher,
+			       struct mlx5dr_matcher_rx_tx *nic_matcher)
+{
+	struct mlx5dr_domain *dmn = matcher->tbl->dmn;
+	int ret;
+
+	nic_matcher->prio = matcher->prio;
+	INIT_LIST_HEAD(&nic_matcher->list_node);
+
+	ret = dr_matcher_set_all_ste_builders(matcher, nic_matcher);
+	if (ret)
+		return ret;
+
+	nic_matcher->e_anchor = mlx5dr_ste_htbl_alloc(dmn->ste_icm_pool,
+						      DR_CHUNK_SIZE_1,
+						      MLX5DR_STE_LU_TYPE_DONT_CARE,
+						      0);
+	if (!nic_matcher->e_anchor)
+		return -ENOMEM;
+
+	nic_matcher->s_htbl = mlx5dr_ste_htbl_alloc(dmn->ste_icm_pool,
+						    DR_CHUNK_SIZE_1,
+						    nic_matcher->ste_builder[0].lu_type,
+						    nic_matcher->ste_builder[0].byte_mask);
+	if (!nic_matcher->s_htbl) {
+		ret = -ENOMEM;
+		goto free_e_htbl;
+	}
+
+	/* make sure the tables exist while empty */
+	mlx5dr_htbl_get(nic_matcher->s_htbl);
+	mlx5dr_htbl_get(nic_matcher->e_anchor);
+
+	return 0;
+
+free_e_htbl:
+	mlx5dr_ste_htbl_free(nic_matcher->e_anchor);
+	return ret;
+}
+
+static int dr_matcher_init_fdb(struct mlx5dr_matcher *matcher)
+{
+	int ret;
+
+	ret = dr_matcher_init_nic(matcher, &matcher->rx);
+	if (ret)
+		return ret;
+
+	ret = dr_matcher_init_nic(matcher, &matcher->tx);
+	if (ret)
+		goto uninit_nic_rx;
+
+	return 0;
+
+uninit_nic_rx:
+	dr_matcher_uninit_nic(&matcher->rx);
+	return ret;
+}
+
+static int dr_matcher_copy_param(struct mlx5dr_matcher *matcher,
+				 struct mlx5dr_match_parameters *mask)
+{
+	struct mlx5dr_domain *dmn = matcher->tbl->dmn;
+	struct mlx5dr_match_parameters consumed_mask;
+	int i, ret = 0;
+
+	if (matcher->match_criteria >= DR_MATCHER_CRITERIA_MAX) {
+		mlx5dr_err(dmn, "Invalid match criteria attribute\n");
+		return -EINVAL;
+	}
+
+	if (mask) {
+		if (mask->match_sz > DR_SZ_MATCH_PARAM) {
+			mlx5dr_err(dmn, "Invalid match size attribute\n");
+			return -EINVAL;
+		}
+
+		consumed_mask.match_buf = kzalloc(mask->match_sz, GFP_KERNEL);
+		if (!consumed_mask.match_buf)
+			return -ENOMEM;
+
+		consumed_mask.match_sz = mask->match_sz;
+		memcpy(consumed_mask.match_buf, mask->match_buf, mask->match_sz);
+		mlx5dr_ste_copy_param(matcher->match_criteria,
+				      &matcher->mask, &consumed_mask, true);
+
+		/* Check that all mask data was consumed */
+		for (i = 0; i < consumed_mask.match_sz; i++) {
+			if (!((u8 *)consumed_mask.match_buf)[i])
+				continue;
+
+			mlx5dr_dbg(dmn,
+				   "Match param mask contains unsupported parameters\n");
+			ret = -EOPNOTSUPP;
+			break;
+		}
+
+		kfree(consumed_mask.match_buf);
+	}
+
+	return ret;
+}
+
+static int dr_matcher_init(struct mlx5dr_matcher *matcher,
+			   struct mlx5dr_match_parameters *mask)
+{
+	struct mlx5dr_table *tbl = matcher->tbl;
+	struct mlx5dr_domain *dmn = tbl->dmn;
+	int ret;
+
+	ret = dr_matcher_copy_param(matcher, mask);
+	if (ret)
+		return ret;
+
+	switch (dmn->type) {
+	case MLX5DR_DOMAIN_TYPE_NIC_RX:
+		matcher->rx.nic_tbl = &tbl->rx;
+		ret = dr_matcher_init_nic(matcher, &matcher->rx);
+		break;
+	case MLX5DR_DOMAIN_TYPE_NIC_TX:
+		matcher->tx.nic_tbl = &tbl->tx;
+		ret = dr_matcher_init_nic(matcher, &matcher->tx);
+		break;
+	case MLX5DR_DOMAIN_TYPE_FDB:
+		matcher->rx.nic_tbl = &tbl->rx;
+		matcher->tx.nic_tbl = &tbl->tx;
+		ret = dr_matcher_init_fdb(matcher);
+		break;
+	default:
+		WARN_ON(true);
+		ret = -EINVAL;
+	}
+
+	return ret;
+}
+
+static void dr_matcher_add_to_dbg_list(struct mlx5dr_matcher *matcher)
+{
+	mutex_lock(&matcher->tbl->dmn->dump_info.dbg_mutex);
+	list_add(&matcher->list_node, &matcher->tbl->matcher_list);
+	mutex_unlock(&matcher->tbl->dmn->dump_info.dbg_mutex);
+}
+
+static void dr_matcher_remove_from_dbg_list(struct mlx5dr_matcher *matcher)
+{
+	mutex_lock(&matcher->tbl->dmn->dump_info.dbg_mutex);
+	list_del(&matcher->list_node);
+	mutex_unlock(&matcher->tbl->dmn->dump_info.dbg_mutex);
+}
+
+struct mlx5dr_matcher *
+mlx5dr_matcher_create(struct mlx5dr_table *tbl,
+		      u32 priority,
+		      u8 match_criteria_enable,
+		      struct mlx5dr_match_parameters *mask)
+{
+	struct mlx5dr_matcher *matcher;
+	int ret;
+
+	refcount_inc(&tbl->refcount);
+
+	matcher = kzalloc(sizeof(*matcher), GFP_KERNEL);
+	if (!matcher)
+		goto dec_ref;
+
+	matcher->tbl = tbl;
+	matcher->prio = priority;
+	matcher->match_criteria = match_criteria_enable;
+	refcount_set(&matcher->refcount, 1);
+	INIT_LIST_HEAD(&matcher->list_node);
+	INIT_LIST_HEAD(&matcher->dbg_rule_list);
+
+	mlx5dr_domain_lock(tbl->dmn);
+
+	ret = dr_matcher_init(matcher, mask);
+	if (ret)
+		goto free_matcher;
+
+	dr_matcher_add_to_dbg_list(matcher);
+
+	mlx5dr_domain_unlock(tbl->dmn);
+
+	return matcher;
+
+free_matcher:
+	mlx5dr_domain_unlock(tbl->dmn);
+	kfree(matcher);
+dec_ref:
+	refcount_dec(&tbl->refcount);
+	return NULL;
+}
+
+static int dr_matcher_disconnect_nic(struct mlx5dr_domain *dmn,
+				     struct mlx5dr_table_rx_tx *nic_tbl,
+				     struct mlx5dr_matcher_rx_tx *next_nic_matcher,
+				     struct mlx5dr_matcher_rx_tx *prev_nic_matcher)
+{
+	struct mlx5dr_domain_rx_tx *nic_dmn = nic_tbl->nic_dmn;
+	struct mlx5dr_htbl_connect_info info;
+	struct mlx5dr_ste_htbl *prev_anchor;
+
+	if (prev_nic_matcher)
+		prev_anchor = prev_nic_matcher->e_anchor;
+	else
+		prev_anchor = nic_tbl->s_anchor;
+
+	/* Connect previous anchor hash table to next matcher or to the default address */
+	if (next_nic_matcher) {
+		info.type = CONNECT_HIT;
+		info.hit_next_htbl = next_nic_matcher->s_htbl;
+		next_nic_matcher->s_htbl->pointing_ste = prev_anchor->chunk->ste_arr;
+		prev_anchor->chunk->ste_arr[0].next_htbl = next_nic_matcher->s_htbl;
+	} else {
+		info.type = CONNECT_MISS;
+		info.miss_icm_addr = nic_tbl->default_icm_addr;
+		prev_anchor->chunk->ste_arr[0].next_htbl = NULL;
+	}
+
+	return mlx5dr_ste_htbl_init_and_postsend(dmn, nic_dmn, prev_anchor,
+						 &info, true);
+}
+
+int mlx5dr_matcher_remove_from_tbl_nic(struct mlx5dr_domain *dmn,
+				       struct mlx5dr_matcher_rx_tx *nic_matcher)
+{
+	struct mlx5dr_matcher_rx_tx *prev_nic_matcher, *next_nic_matcher;
+	struct mlx5dr_table_rx_tx *nic_tbl = nic_matcher->nic_tbl;
+	int ret;
+
+	/* If the nic matcher is not on its parent nic table list,
+	 * then it is detached - no need to disconnect it.
+	 */
+	if (list_empty(&nic_matcher->list_node))
+		return 0;
+
+	if (list_is_last(&nic_matcher->list_node, &nic_tbl->nic_matcher_list))
+		next_nic_matcher = NULL;
+	else
+		next_nic_matcher = list_next_entry(nic_matcher, list_node);
+
+	if (nic_matcher->list_node.prev == &nic_tbl->nic_matcher_list)
+		prev_nic_matcher = NULL;
+	else
+		prev_nic_matcher = list_prev_entry(nic_matcher, list_node);
+
+	ret = dr_matcher_disconnect_nic(dmn, nic_tbl, next_nic_matcher, prev_nic_matcher);
+	if (ret)
+		return ret;
+
+	list_del_init(&nic_matcher->list_node);
+	return 0;
+}
+
+int mlx5dr_matcher_destroy(struct mlx5dr_matcher *matcher)
+{
+	struct mlx5dr_table *tbl = matcher->tbl;
+
+	if (WARN_ON_ONCE(refcount_read(&matcher->refcount) > 1))
+		return -EBUSY;
+
+	mlx5dr_domain_lock(tbl->dmn);
+
+	dr_matcher_remove_from_dbg_list(matcher);
+	dr_matcher_uninit(matcher);
+	refcount_dec(&matcher->tbl->refcount);
+
+	mlx5dr_domain_unlock(tbl->dmn);
+	kfree(matcher);
+
+	return 0;
+}