Adding upstream version 6.6.15.upstream/6.6.15

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

1 files changed, 2896 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
new file mode 100644
index 0000000000..520034acf7
--- /dev/null
+++ b/drivers/infiniband/hw/mlx5/fs.c
@@ -0,0 +1,2896 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * Copyright (c) 2018, Mellanox Technologies inc.  All rights reserved.
+ */
+
+#include <rdma/ib_user_verbs.h>
+#include <rdma/ib_verbs.h>
+#include <rdma/uverbs_types.h>
+#include <rdma/uverbs_ioctl.h>
+#include <rdma/uverbs_std_types.h>
+#include <rdma/mlx5_user_ioctl_cmds.h>
+#include <rdma/mlx5_user_ioctl_verbs.h>
+#include <rdma/ib_hdrs.h>
+#include <rdma/ib_umem.h>
+#include <linux/mlx5/driver.h>
+#include <linux/mlx5/fs.h>
+#include <linux/mlx5/fs_helpers.h>
+#include <linux/mlx5/eswitch.h>
+#include <net/inet_ecn.h>
+#include "mlx5_ib.h"
+#include "counters.h"
+#include "devx.h"
+#include "fs.h"
+
+#define UVERBS_MODULE_NAME mlx5_ib
+#include <rdma/uverbs_named_ioctl.h>
+
+enum {
+	MATCH_CRITERIA_ENABLE_OUTER_BIT,
+	MATCH_CRITERIA_ENABLE_MISC_BIT,
+	MATCH_CRITERIA_ENABLE_INNER_BIT,
+	MATCH_CRITERIA_ENABLE_MISC2_BIT
+};
+
+#define HEADER_IS_ZERO(match_criteria, headers)			           \
+	!(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \
+		    0, MLX5_FLD_SZ_BYTES(fte_match_param, headers)))       \
+
+static u8 get_match_criteria_enable(u32 *match_criteria)
+{
+	u8 match_criteria_enable;
+
+	match_criteria_enable =
+		(!HEADER_IS_ZERO(match_criteria, outer_headers)) <<
+		MATCH_CRITERIA_ENABLE_OUTER_BIT;
+	match_criteria_enable |=
+		(!HEADER_IS_ZERO(match_criteria, misc_parameters)) <<
+		MATCH_CRITERIA_ENABLE_MISC_BIT;
+	match_criteria_enable |=
+		(!HEADER_IS_ZERO(match_criteria, inner_headers)) <<
+		MATCH_CRITERIA_ENABLE_INNER_BIT;
+	match_criteria_enable |=
+		(!HEADER_IS_ZERO(match_criteria, misc_parameters_2)) <<
+		MATCH_CRITERIA_ENABLE_MISC2_BIT;
+
+	return match_criteria_enable;
+}
+
+static int set_proto(void *outer_c, void *outer_v, u8 mask, u8 val)
+{
+	u8 entry_mask;
+	u8 entry_val;
+	int err = 0;
+
+	if (!mask)
+		goto out;
+
+	entry_mask = MLX5_GET(fte_match_set_lyr_2_4, outer_c,
+			      ip_protocol);
+	entry_val = MLX5_GET(fte_match_set_lyr_2_4, outer_v,
+			     ip_protocol);
+	if (!entry_mask) {
+		MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask);
+		MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val);
+		goto out;
+	}
+	/* Don't override existing ip protocol */
+	if (mask != entry_mask || val != entry_val)
+		err = -EINVAL;
+out:
+	return err;
+}
+
+static void set_flow_label(void *misc_c, void *misc_v, u32 mask, u32 val,
+			   bool inner)
+{
+	if (inner) {
+		MLX5_SET(fte_match_set_misc,
+			 misc_c, inner_ipv6_flow_label, mask);
+		MLX5_SET(fte_match_set_misc,
+			 misc_v, inner_ipv6_flow_label, val);
+	} else {
+		MLX5_SET(fte_match_set_misc,
+			 misc_c, outer_ipv6_flow_label, mask);
+		MLX5_SET(fte_match_set_misc,
+			 misc_v, outer_ipv6_flow_label, val);
+	}
+}
+
+static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val)
+{
+	MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask);
+	MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val);
+	MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2);
+	MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2);
+}
+
+static int check_mpls_supp_fields(u32 field_support, const __be32 *set_mask)
+{
+	if (MLX5_GET(fte_match_mpls, set_mask, mpls_label) &&
+	    !(field_support & MLX5_FIELD_SUPPORT_MPLS_LABEL))
+		return -EOPNOTSUPP;
+
+	if (MLX5_GET(fte_match_mpls, set_mask, mpls_exp) &&
+	    !(field_support & MLX5_FIELD_SUPPORT_MPLS_EXP))
+		return -EOPNOTSUPP;
+
+	if (MLX5_GET(fte_match_mpls, set_mask, mpls_s_bos) &&
+	    !(field_support & MLX5_FIELD_SUPPORT_MPLS_S_BOS))
+		return -EOPNOTSUPP;
+
+	if (MLX5_GET(fte_match_mpls, set_mask, mpls_ttl) &&
+	    !(field_support & MLX5_FIELD_SUPPORT_MPLS_TTL))
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+#define LAST_ETH_FIELD vlan_tag
+#define LAST_IPV4_FIELD tos
+#define LAST_IPV6_FIELD traffic_class
+#define LAST_TCP_UDP_FIELD src_port
+#define LAST_TUNNEL_FIELD tunnel_id
+#define LAST_FLOW_TAG_FIELD tag_id
+#define LAST_DROP_FIELD size
+#define LAST_COUNTERS_FIELD counters
+
+/* Field is the last supported field */
+#define FIELDS_NOT_SUPPORTED(filter, field)                                    \
+	memchr_inv((void *)&filter.field + sizeof(filter.field), 0,            \
+		   sizeof(filter) - offsetofend(typeof(filter), field))
+
+int parse_flow_flow_action(struct mlx5_ib_flow_action *maction,
+			   bool is_egress,
+			   struct mlx5_flow_act *action)
+{
+
+	switch (maction->ib_action.type) {
+	case IB_FLOW_ACTION_UNSPECIFIED:
+		if (maction->flow_action_raw.sub_type ==
+		    MLX5_IB_FLOW_ACTION_MODIFY_HEADER) {
+			if (action->action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
+				return -EINVAL;
+			action->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+			action->modify_hdr =
+				maction->flow_action_raw.modify_hdr;
+			return 0;
+		}
+		if (maction->flow_action_raw.sub_type ==
+		    MLX5_IB_FLOW_ACTION_DECAP) {
+			if (action->action & MLX5_FLOW_CONTEXT_ACTION_DECAP)
+				return -EINVAL;
+			action->action |= MLX5_FLOW_CONTEXT_ACTION_DECAP;
+			return 0;
+		}
+		if (maction->flow_action_raw.sub_type ==
+		    MLX5_IB_FLOW_ACTION_PACKET_REFORMAT) {
+			if (action->action &
+			    MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT)
+				return -EINVAL;
+			action->action |=
+				MLX5_FLOW_CONTEXT_ACTION_PACKET_REFORMAT;
+			action->pkt_reformat =
+				maction->flow_action_raw.pkt_reformat;
+			return 0;
+		}
+		fallthrough;
+	default:
+		return -EOPNOTSUPP;
+	}
+}
+
+static int parse_flow_attr(struct mlx5_core_dev *mdev,
+			   struct mlx5_flow_spec *spec,
+			   const union ib_flow_spec *ib_spec,
+			   const struct ib_flow_attr *flow_attr,
+			   struct mlx5_flow_act *action, u32 prev_type)
+{
+	struct mlx5_flow_context *flow_context = &spec->flow_context;
+	u32 *match_c = spec->match_criteria;
+	u32 *match_v = spec->match_value;
+	void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c,
+					   misc_parameters);
+	void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v,
+					   misc_parameters);
+	void *misc_params2_c = MLX5_ADDR_OF(fte_match_param, match_c,
+					    misc_parameters_2);
+	void *misc_params2_v = MLX5_ADDR_OF(fte_match_param, match_v,
+					    misc_parameters_2);
+	void *headers_c;
+	void *headers_v;
+	int match_ipv;
+	int ret;
+
+	if (ib_spec->type & IB_FLOW_SPEC_INNER) {
+		headers_c = MLX5_ADDR_OF(fte_match_param, match_c,
+					 inner_headers);
+		headers_v = MLX5_ADDR_OF(fte_match_param, match_v,
+					 inner_headers);
+		match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+					ft_field_support.inner_ip_version);
+	} else {
+		headers_c = MLX5_ADDR_OF(fte_match_param, match_c,
+					 outer_headers);
+		headers_v = MLX5_ADDR_OF(fte_match_param, match_v,
+					 outer_headers);
+		match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+					ft_field_support.outer_ip_version);
+	}
+
+	switch (ib_spec->type & ~IB_FLOW_SPEC_INNER) {
+	case IB_FLOW_SPEC_ETH:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD))
+			return -EOPNOTSUPP;
+
+		ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
+					     dmac_47_16),
+				ib_spec->eth.mask.dst_mac);
+		ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+					     dmac_47_16),
+				ib_spec->eth.val.dst_mac);
+
+		ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
+					     smac_47_16),
+				ib_spec->eth.mask.src_mac);
+		ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+					     smac_47_16),
+				ib_spec->eth.val.src_mac);
+
+		if (ib_spec->eth.mask.vlan_tag) {
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 cvlan_tag, 1);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 cvlan_tag, 1);
+
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 first_vid, ntohs(ib_spec->eth.mask.vlan_tag));
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 first_vid, ntohs(ib_spec->eth.val.vlan_tag));
+
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 first_cfi,
+				 ntohs(ib_spec->eth.mask.vlan_tag) >> 12);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 first_cfi,
+				 ntohs(ib_spec->eth.val.vlan_tag) >> 12);
+
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 first_prio,
+				 ntohs(ib_spec->eth.mask.vlan_tag) >> 13);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 first_prio,
+				 ntohs(ib_spec->eth.val.vlan_tag) >> 13);
+		}
+		MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+			 ethertype, ntohs(ib_spec->eth.mask.ether_type));
+		MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+			 ethertype, ntohs(ib_spec->eth.val.ether_type));
+		break;
+	case IB_FLOW_SPEC_IPV4:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD))
+			return -EOPNOTSUPP;
+
+		if (match_ipv) {
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 ip_version, 0xf);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 ip_version, MLX5_FS_IPV4_VERSION);
+		} else {
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 ethertype, 0xffff);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 ethertype, ETH_P_IP);
+		}
+
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
+				    src_ipv4_src_ipv6.ipv4_layout.ipv4),
+		       &ib_spec->ipv4.mask.src_ip,
+		       sizeof(ib_spec->ipv4.mask.src_ip));
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+				    src_ipv4_src_ipv6.ipv4_layout.ipv4),
+		       &ib_spec->ipv4.val.src_ip,
+		       sizeof(ib_spec->ipv4.val.src_ip));
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
+				    dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
+		       &ib_spec->ipv4.mask.dst_ip,
+		       sizeof(ib_spec->ipv4.mask.dst_ip));
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+				    dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
+		       &ib_spec->ipv4.val.dst_ip,
+		       sizeof(ib_spec->ipv4.val.dst_ip));
+
+		set_tos(headers_c, headers_v,
+			ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos);
+
+		if (set_proto(headers_c, headers_v,
+			      ib_spec->ipv4.mask.proto,
+			      ib_spec->ipv4.val.proto))
+			return -EINVAL;
+		break;
+	case IB_FLOW_SPEC_IPV6:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD))
+			return -EOPNOTSUPP;
+
+		if (match_ipv) {
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 ip_version, 0xf);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 ip_version, MLX5_FS_IPV6_VERSION);
+		} else {
+			MLX5_SET(fte_match_set_lyr_2_4, headers_c,
+				 ethertype, 0xffff);
+			MLX5_SET(fte_match_set_lyr_2_4, headers_v,
+				 ethertype, ETH_P_IPV6);
+		}
+
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
+				    src_ipv4_src_ipv6.ipv6_layout.ipv6),
+		       &ib_spec->ipv6.mask.src_ip,
+		       sizeof(ib_spec->ipv6.mask.src_ip));
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+				    src_ipv4_src_ipv6.ipv6_layout.ipv6),
+		       &ib_spec->ipv6.val.src_ip,
+		       sizeof(ib_spec->ipv6.val.src_ip));
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c,
+				    dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
+		       &ib_spec->ipv6.mask.dst_ip,
+		       sizeof(ib_spec->ipv6.mask.dst_ip));
+		memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v,
+				    dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
+		       &ib_spec->ipv6.val.dst_ip,
+		       sizeof(ib_spec->ipv6.val.dst_ip));
+
+		set_tos(headers_c, headers_v,
+			ib_spec->ipv6.mask.traffic_class,
+			ib_spec->ipv6.val.traffic_class);
+
+		if (set_proto(headers_c, headers_v,
+			      ib_spec->ipv6.mask.next_hdr,
+			      ib_spec->ipv6.val.next_hdr))
+			return -EINVAL;
+
+		set_flow_label(misc_params_c, misc_params_v,
+			       ntohl(ib_spec->ipv6.mask.flow_label),
+			       ntohl(ib_spec->ipv6.val.flow_label),
+			       ib_spec->type & IB_FLOW_SPEC_INNER);
+		break;
+	case IB_FLOW_SPEC_ESP:
+		return -EOPNOTSUPP;
+	case IB_FLOW_SPEC_TCP:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask,
+					 LAST_TCP_UDP_FIELD))
+			return -EOPNOTSUPP;
+
+		if (set_proto(headers_c, headers_v, 0xff, IPPROTO_TCP))
+			return -EINVAL;
+
+		MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_sport,
+			 ntohs(ib_spec->tcp_udp.mask.src_port));
+		MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport,
+			 ntohs(ib_spec->tcp_udp.val.src_port));
+
+		MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_dport,
+			 ntohs(ib_spec->tcp_udp.mask.dst_port));
+		MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport,
+			 ntohs(ib_spec->tcp_udp.val.dst_port));
+		break;
+	case IB_FLOW_SPEC_UDP:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask,
+					 LAST_TCP_UDP_FIELD))
+			return -EOPNOTSUPP;
+
+		if (set_proto(headers_c, headers_v, 0xff, IPPROTO_UDP))
+			return -EINVAL;
+
+		MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_sport,
+			 ntohs(ib_spec->tcp_udp.mask.src_port));
+		MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport,
+			 ntohs(ib_spec->tcp_udp.val.src_port));
+
+		MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_dport,
+			 ntohs(ib_spec->tcp_udp.mask.dst_port));
+		MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport,
+			 ntohs(ib_spec->tcp_udp.val.dst_port));
+		break;
+	case IB_FLOW_SPEC_GRE:
+		if (ib_spec->gre.mask.c_ks_res0_ver)
+			return -EOPNOTSUPP;
+
+		if (set_proto(headers_c, headers_v, 0xff, IPPROTO_GRE))
+			return -EINVAL;
+
+		MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol,
+			 0xff);
+		MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol,
+			 IPPROTO_GRE);
+
+		MLX5_SET(fte_match_set_misc, misc_params_c, gre_protocol,
+			 ntohs(ib_spec->gre.mask.protocol));
+		MLX5_SET(fte_match_set_misc, misc_params_v, gre_protocol,
+			 ntohs(ib_spec->gre.val.protocol));
+
+		memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_c,
+				    gre_key.nvgre.hi),
+		       &ib_spec->gre.mask.key,
+		       sizeof(ib_spec->gre.mask.key));
+		memcpy(MLX5_ADDR_OF(fte_match_set_misc, misc_params_v,
+				    gre_key.nvgre.hi),
+		       &ib_spec->gre.val.key,
+		       sizeof(ib_spec->gre.val.key));
+		break;
+	case IB_FLOW_SPEC_MPLS:
+		switch (prev_type) {
+		case IB_FLOW_SPEC_UDP:
+			if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+						   ft_field_support.outer_first_mpls_over_udp),
+						   &ib_spec->mpls.mask.tag))
+				return -EOPNOTSUPP;
+
+			memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
+					    outer_first_mpls_over_udp),
+			       &ib_spec->mpls.val.tag,
+			       sizeof(ib_spec->mpls.val.tag));
+			memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
+					    outer_first_mpls_over_udp),
+			       &ib_spec->mpls.mask.tag,
+			       sizeof(ib_spec->mpls.mask.tag));
+			break;
+		case IB_FLOW_SPEC_GRE:
+			if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+						   ft_field_support.outer_first_mpls_over_gre),
+						   &ib_spec->mpls.mask.tag))
+				return -EOPNOTSUPP;
+
+			memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
+					    outer_first_mpls_over_gre),
+			       &ib_spec->mpls.val.tag,
+			       sizeof(ib_spec->mpls.val.tag));
+			memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
+					    outer_first_mpls_over_gre),
+			       &ib_spec->mpls.mask.tag,
+			       sizeof(ib_spec->mpls.mask.tag));
+			break;
+		default:
+			if (ib_spec->type & IB_FLOW_SPEC_INNER) {
+				if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+							   ft_field_support.inner_first_mpls),
+							   &ib_spec->mpls.mask.tag))
+					return -EOPNOTSUPP;
+
+				memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
+						    inner_first_mpls),
+				       &ib_spec->mpls.val.tag,
+				       sizeof(ib_spec->mpls.val.tag));
+				memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
+						    inner_first_mpls),
+				       &ib_spec->mpls.mask.tag,
+				       sizeof(ib_spec->mpls.mask.tag));
+			} else {
+				if (check_mpls_supp_fields(MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+							   ft_field_support.outer_first_mpls),
+							   &ib_spec->mpls.mask.tag))
+					return -EOPNOTSUPP;
+
+				memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_v,
+						    outer_first_mpls),
+				       &ib_spec->mpls.val.tag,
+				       sizeof(ib_spec->mpls.val.tag));
+				memcpy(MLX5_ADDR_OF(fte_match_set_misc2, misc_params2_c,
+						    outer_first_mpls),
+				       &ib_spec->mpls.mask.tag,
+				       sizeof(ib_spec->mpls.mask.tag));
+			}
+		}
+		break;
+	case IB_FLOW_SPEC_VXLAN_TUNNEL:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->tunnel.mask,
+					 LAST_TUNNEL_FIELD))
+			return -EOPNOTSUPP;
+
+		MLX5_SET(fte_match_set_misc, misc_params_c, vxlan_vni,
+			 ntohl(ib_spec->tunnel.mask.tunnel_id));
+		MLX5_SET(fte_match_set_misc, misc_params_v, vxlan_vni,
+			 ntohl(ib_spec->tunnel.val.tunnel_id));
+		break;
+	case IB_FLOW_SPEC_ACTION_TAG:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->flow_tag,
+					 LAST_FLOW_TAG_FIELD))
+			return -EOPNOTSUPP;
+		if (ib_spec->flow_tag.tag_id >= BIT(24))
+			return -EINVAL;
+
+		flow_context->flow_tag = ib_spec->flow_tag.tag_id;
+		flow_context->flags |= FLOW_CONTEXT_HAS_TAG;
+		break;
+	case IB_FLOW_SPEC_ACTION_DROP:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->drop,
+					 LAST_DROP_FIELD))
+			return -EOPNOTSUPP;
+		action->action |= MLX5_FLOW_CONTEXT_ACTION_DROP;
+		break;
+	case IB_FLOW_SPEC_ACTION_HANDLE:
+		ret = parse_flow_flow_action(to_mflow_act(ib_spec->action.act),
+			flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS, action);
+		if (ret)
+			return ret;
+		break;
+	case IB_FLOW_SPEC_ACTION_COUNT:
+		if (FIELDS_NOT_SUPPORTED(ib_spec->flow_count,
+					 LAST_COUNTERS_FIELD))
+			return -EOPNOTSUPP;
+
+		/* for now support only one counters spec per flow */
+		if (action->action & MLX5_FLOW_CONTEXT_ACTION_COUNT)
+			return -EINVAL;
+
+		action->counters = ib_spec->flow_count.counters;
+		action->action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* If a flow could catch both multicast and unicast packets,
+ * it won't fall into the multicast flow steering table and this rule
+ * could steal other multicast packets.
+ */
+static bool flow_is_multicast_only(const struct ib_flow_attr *ib_attr)
+{
+	union ib_flow_spec *flow_spec;
+
+	if (ib_attr->type != IB_FLOW_ATTR_NORMAL ||
+	    ib_attr->num_of_specs < 1)
+		return false;
+
+	flow_spec = (union ib_flow_spec *)(ib_attr + 1);
+	if (flow_spec->type == IB_FLOW_SPEC_IPV4) {
+		struct ib_flow_spec_ipv4 *ipv4_spec;
+
+		ipv4_spec = (struct ib_flow_spec_ipv4 *)flow_spec;
+		if (ipv4_is_multicast(ipv4_spec->val.dst_ip))
+			return true;
+
+		return false;
+	}
+
+	if (flow_spec->type == IB_FLOW_SPEC_ETH) {
+		struct ib_flow_spec_eth *eth_spec;
+
+		eth_spec = (struct ib_flow_spec_eth *)flow_spec;
+		return is_multicast_ether_addr(eth_spec->mask.dst_mac) &&
+		       is_multicast_ether_addr(eth_spec->val.dst_mac);
+	}
+
+	return false;
+}
+
+static bool is_valid_ethertype(struct mlx5_core_dev *mdev,
+			       const struct ib_flow_attr *flow_attr,
+			       bool check_inner)
+{
+	union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1);
+	int match_ipv = check_inner ?
+			MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+					ft_field_support.inner_ip_version) :
+			MLX5_CAP_FLOWTABLE_NIC_RX(mdev,
+					ft_field_support.outer_ip_version);
+	int inner_bit = check_inner ? IB_FLOW_SPEC_INNER : 0;
+	bool ipv4_spec_valid, ipv6_spec_valid;
+	unsigned int ip_spec_type = 0;
+	bool has_ethertype = false;
+	unsigned int spec_index;
+	bool mask_valid = true;
+	u16 eth_type = 0;
+	bool type_valid;
+
+	/* Validate that ethertype is correct */
+	for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
+		if ((ib_spec->type == (IB_FLOW_SPEC_ETH | inner_bit)) &&
+		    ib_spec->eth.mask.ether_type) {
+			mask_valid = (ib_spec->eth.mask.ether_type ==
+				      htons(0xffff));
+			has_ethertype = true;
+			eth_type = ntohs(ib_spec->eth.val.ether_type);
+		} else if ((ib_spec->type == (IB_FLOW_SPEC_IPV4 | inner_bit)) ||
+			   (ib_spec->type == (IB_FLOW_SPEC_IPV6 | inner_bit))) {
+			ip_spec_type = ib_spec->type;
+		}
+		ib_spec = (void *)ib_spec + ib_spec->size;
+	}
+
+	type_valid = (!has_ethertype) || (!ip_spec_type);
+	if (!type_valid && mask_valid) {
+		ipv4_spec_valid = (eth_type == ETH_P_IP) &&
+			(ip_spec_type == (IB_FLOW_SPEC_IPV4 | inner_bit));
+		ipv6_spec_valid = (eth_type == ETH_P_IPV6) &&
+			(ip_spec_type == (IB_FLOW_SPEC_IPV6 | inner_bit));
+
+		type_valid = (ipv4_spec_valid) || (ipv6_spec_valid) ||
+			     (((eth_type == ETH_P_MPLS_UC) ||
+			       (eth_type == ETH_P_MPLS_MC)) && match_ipv);
+	}
+
+	return type_valid;
+}
+
+static bool is_valid_attr(struct mlx5_core_dev *mdev,
+			  const struct ib_flow_attr *flow_attr)
+{
+	return is_valid_ethertype(mdev, flow_attr, false) &&
+	       is_valid_ethertype(mdev, flow_attr, true);
+}
+
+static void put_flow_table(struct mlx5_ib_dev *dev,
+			   struct mlx5_ib_flow_prio *prio, bool ft_added)
+{
+	prio->refcount -= !!ft_added;
+	if (!prio->refcount) {
+		mlx5_destroy_flow_table(prio->flow_table);
+		prio->flow_table = NULL;
+	}
+}
+
+static int mlx5_ib_destroy_flow(struct ib_flow *flow_id)
+{
+	struct mlx5_ib_flow_handler *handler = container_of(flow_id,
+							  struct mlx5_ib_flow_handler,
+							  ibflow);
+	struct mlx5_ib_flow_handler *iter, *tmp;
+	struct mlx5_ib_dev *dev = handler->dev;
+
+	mutex_lock(&dev->flow_db->lock);
+
+	list_for_each_entry_safe(iter, tmp, &handler->list, list) {
+		mlx5_del_flow_rules(iter->rule);
+		put_flow_table(dev, iter->prio, true);
+		list_del(&iter->list);
+		kfree(iter);
+	}
+
+	mlx5_del_flow_rules(handler->rule);
+	put_flow_table(dev, handler->prio, true);
+	mlx5_ib_counters_clear_description(handler->ibcounters);
+	mutex_unlock(&dev->flow_db->lock);
+	if (handler->flow_matcher)
+		atomic_dec(&handler->flow_matcher->usecnt);
+	kfree(handler);
+
+	return 0;
+}
+
+static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap)
+{
+	priority *= 2;
+	if (!dont_trap)
+		priority++;
+	return priority;
+}
+
+enum flow_table_type {
+	MLX5_IB_FT_RX,
+	MLX5_IB_FT_TX
+};
+
+#define MLX5_FS_MAX_TYPES	 6
+#define MLX5_FS_MAX_ENTRIES	 BIT(16)
+
+static bool mlx5_ib_shared_ft_allowed(struct ib_device *device)
+{
+	struct mlx5_ib_dev *dev = to_mdev(device);
+
+	return MLX5_CAP_GEN(dev->mdev, shared_object_to_user_object_allowed);
+}
+
+static struct mlx5_ib_flow_prio *_get_prio(struct mlx5_ib_dev *dev,
+					   struct mlx5_flow_namespace *ns,
+					   struct mlx5_ib_flow_prio *prio,
+					   int priority,
+					   int num_entries, int num_groups,
+					   u32 flags)
+{
+	struct mlx5_flow_table_attr ft_attr = {};
+	struct mlx5_flow_table *ft;
+
+	ft_attr.prio = priority;
+	ft_attr.max_fte = num_entries;
+	ft_attr.flags = flags;
+	ft_attr.autogroup.max_num_groups = num_groups;
+	ft = mlx5_create_auto_grouped_flow_table(ns, &ft_attr);
+	if (IS_ERR(ft))
+		return ERR_CAST(ft);
+
+	prio->flow_table = ft;
+	prio->refcount = 0;
+	return prio;
+}
+
+static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev,
+						struct ib_flow_attr *flow_attr,
+						enum flow_table_type ft_type)
+{
+	bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP;
+	struct mlx5_flow_namespace *ns = NULL;
+	enum mlx5_flow_namespace_type fn_type;
+	struct mlx5_ib_flow_prio *prio;
+	struct mlx5_flow_table *ft;
+	int max_table_size;
+	int num_entries;
+	int num_groups;
+	bool esw_encap;
+	u32 flags = 0;
+	int priority;
+
+	max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
+						       log_max_ft_size));
+	esw_encap = mlx5_eswitch_get_encap_mode(dev->mdev) !=
+		DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+	switch (flow_attr->type) {
+	case IB_FLOW_ATTR_NORMAL:
+		if (flow_is_multicast_only(flow_attr) && !dont_trap)
+			priority = MLX5_IB_FLOW_MCAST_PRIO;
+		else
+			priority = ib_prio_to_core_prio(flow_attr->priority,
+							dont_trap);
+		if (ft_type == MLX5_IB_FT_RX) {
+			fn_type = MLX5_FLOW_NAMESPACE_BYPASS;
+			prio = &dev->flow_db->prios[priority];
+			if (!dev->is_rep && !esw_encap &&
+			    MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap))
+				flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
+			if (!dev->is_rep && !esw_encap &&
+			    MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
+						      reformat_l3_tunnel_to_l2))
+				flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
+		} else {
+			max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_TX(
+				dev->mdev, log_max_ft_size));
+			fn_type = MLX5_FLOW_NAMESPACE_EGRESS;
+			prio = &dev->flow_db->egress_prios[priority];
+			if (!dev->is_rep && !esw_encap &&
+			    MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat))
+				flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
+		}
+		ns = mlx5_get_flow_namespace(dev->mdev, fn_type);
+		num_entries = MLX5_FS_MAX_ENTRIES;
+		num_groups = MLX5_FS_MAX_TYPES;
+		break;
+	case IB_FLOW_ATTR_ALL_DEFAULT:
+	case IB_FLOW_ATTR_MC_DEFAULT:
+		ns = mlx5_get_flow_namespace(dev->mdev,
+					     MLX5_FLOW_NAMESPACE_LEFTOVERS);
+		build_leftovers_ft_param(&priority, &num_entries, &num_groups);
+		prio = &dev->flow_db->prios[MLX5_IB_FLOW_LEFTOVERS_PRIO];
+		break;
+	case IB_FLOW_ATTR_SNIFFER:
+		if (!MLX5_CAP_FLOWTABLE(dev->mdev,
+					allow_sniffer_and_nic_rx_shared_tir))
+			return ERR_PTR(-EOPNOTSUPP);
+
+		ns = mlx5_get_flow_namespace(
+			dev->mdev, ft_type == MLX5_IB_FT_RX ?
+					   MLX5_FLOW_NAMESPACE_SNIFFER_RX :
+					   MLX5_FLOW_NAMESPACE_SNIFFER_TX);
+
+		prio = &dev->flow_db->sniffer[ft_type];
+		priority = 0;
+		num_entries = 1;
+		num_groups = 1;
+		break;
+	default:
+		break;
+	}
+
+	if (!ns)
+		return ERR_PTR(-EOPNOTSUPP);
+
+	max_table_size = min_t(int, num_entries, max_table_size);
+
+	ft = prio->flow_table;
+	if (!ft)
+		return _get_prio(dev, ns, prio, priority, max_table_size,
+				 num_groups, flags);
+
+	return prio;
+}
+
+enum {
+	RDMA_RX_ECN_OPCOUNTER_PRIO,
+	RDMA_RX_CNP_OPCOUNTER_PRIO,
+};
+
+enum {
+	RDMA_TX_CNP_OPCOUNTER_PRIO,
+};
+
+static int set_vhca_port_spec(struct mlx5_ib_dev *dev, u32 port_num,
+			      struct mlx5_flow_spec *spec)
+{
+	if (!MLX5_CAP_FLOWTABLE_RDMA_RX(dev->mdev,
+					ft_field_support.source_vhca_port) ||
+	    !MLX5_CAP_FLOWTABLE_RDMA_TX(dev->mdev,
+					ft_field_support.source_vhca_port))
+		return -EOPNOTSUPP;
+
+	MLX5_SET_TO_ONES(fte_match_param, &spec->match_criteria,
+			 misc_parameters.source_vhca_port);
+	MLX5_SET(fte_match_param, &spec->match_value,
+		 misc_parameters.source_vhca_port, port_num);
+
+	return 0;
+}
+
+static int set_ecn_ce_spec(struct mlx5_ib_dev *dev, u32 port_num,
+			   struct mlx5_flow_spec *spec, int ipv)
+{
+	if (!MLX5_CAP_FLOWTABLE_RDMA_RX(dev->mdev,
+					ft_field_support.outer_ip_version))
+		return -EOPNOTSUPP;
+
+	if (mlx5_core_mp_enabled(dev->mdev) &&
+	    set_vhca_port_spec(dev, port_num, spec))
+		return -EOPNOTSUPP;
+
+	MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+			 outer_headers.ip_ecn);
+	MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_ecn,
+		 INET_ECN_CE);
+	MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+			 outer_headers.ip_version);
+	MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_version,
+		 ipv);
+
+	spec->match_criteria_enable =
+		get_match_criteria_enable(spec->match_criteria);
+
+	return 0;
+}
+
+static int set_cnp_spec(struct mlx5_ib_dev *dev, u32 port_num,
+			struct mlx5_flow_spec *spec)
+{
+	if (mlx5_core_mp_enabled(dev->mdev) &&
+	    set_vhca_port_spec(dev, port_num, spec))
+		return -EOPNOTSUPP;
+
+	MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria,
+			 misc_parameters.bth_opcode);
+	MLX5_SET(fte_match_param, spec->match_value, misc_parameters.bth_opcode,
+		 IB_BTH_OPCODE_CNP);
+
+	spec->match_criteria_enable =
+		get_match_criteria_enable(spec->match_criteria);
+
+	return 0;
+}
+
+int mlx5_ib_fs_add_op_fc(struct mlx5_ib_dev *dev, u32 port_num,
+			 struct mlx5_ib_op_fc *opfc,
+			 enum mlx5_ib_optional_counter_type type)
+{
+	enum mlx5_flow_namespace_type fn_type;
+	int priority, i, err, spec_num;
+	struct mlx5_flow_act flow_act = {};
+	struct mlx5_flow_destination dst;
+	struct mlx5_flow_namespace *ns;
+	struct mlx5_ib_flow_prio *prio;
+	struct mlx5_flow_spec *spec;
+
+	spec = kcalloc(MAX_OPFC_RULES, sizeof(*spec), GFP_KERNEL);
+	if (!spec)
+		return -ENOMEM;
+
+	switch (type) {
+	case MLX5_IB_OPCOUNTER_CC_RX_CE_PKTS:
+		if (set_ecn_ce_spec(dev, port_num, &spec[0],
+				    MLX5_FS_IPV4_VERSION) ||
+		    set_ecn_ce_spec(dev, port_num, &spec[1],
+				    MLX5_FS_IPV6_VERSION)) {
+			err = -EOPNOTSUPP;
+			goto free;
+		}
+		spec_num = 2;
+		fn_type = MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS;
+		priority = RDMA_RX_ECN_OPCOUNTER_PRIO;
+		break;
+
+	case MLX5_IB_OPCOUNTER_CC_RX_CNP_PKTS:
+		if (!MLX5_CAP_FLOWTABLE(dev->mdev,
+					ft_field_support_2_nic_receive_rdma.bth_opcode) ||
+		    set_cnp_spec(dev, port_num, &spec[0])) {
+			err = -EOPNOTSUPP;
+			goto free;
+		}
+		spec_num = 1;
+		fn_type = MLX5_FLOW_NAMESPACE_RDMA_RX_COUNTERS;
+		priority = RDMA_RX_CNP_OPCOUNTER_PRIO;
+		break;
+
+	case MLX5_IB_OPCOUNTER_CC_TX_CNP_PKTS:
+		if (!MLX5_CAP_FLOWTABLE(dev->mdev,
+					ft_field_support_2_nic_transmit_rdma.bth_opcode) ||
+		    set_cnp_spec(dev, port_num, &spec[0])) {
+			err = -EOPNOTSUPP;
+			goto free;
+		}
+		spec_num = 1;
+		fn_type = MLX5_FLOW_NAMESPACE_RDMA_TX_COUNTERS;
+		priority = RDMA_TX_CNP_OPCOUNTER_PRIO;
+		break;
+
+	default:
+		err = -EOPNOTSUPP;
+		goto free;
+	}
+
+	ns = mlx5_get_flow_namespace(dev->mdev, fn_type);
+	if (!ns) {
+		err = -EOPNOTSUPP;
+		goto free;
+	}
+
+	prio = &dev->flow_db->opfcs[type];
+	if (!prio->flow_table) {
+		prio = _get_prio(dev, ns, prio, priority,
+				 dev->num_ports * MAX_OPFC_RULES, 1, 0);
+		if (IS_ERR(prio)) {
+			err = PTR_ERR(prio);
+			goto free;
+		}
+	}
+
+	dst.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+	dst.counter_id = mlx5_fc_id(opfc->fc);
+
+	flow_act.action =
+		MLX5_FLOW_CONTEXT_ACTION_COUNT | MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+
+	for (i = 0; i < spec_num; i++) {
+		opfc->rule[i] = mlx5_add_flow_rules(prio->flow_table, &spec[i],
+						    &flow_act, &dst, 1);
+		if (IS_ERR(opfc->rule[i])) {
+			err = PTR_ERR(opfc->rule[i]);
+			goto del_rules;
+		}
+	}
+	prio->refcount += spec_num;
+	kfree(spec);
+
+	return 0;
+
+del_rules:
+	for (i -= 1; i >= 0; i--)
+		mlx5_del_flow_rules(opfc->rule[i]);
+	put_flow_table(dev, prio, false);
+free:
+	kfree(spec);
+	return err;
+}
+
+void mlx5_ib_fs_remove_op_fc(struct mlx5_ib_dev *dev,
+			     struct mlx5_ib_op_fc *opfc,
+			     enum mlx5_ib_optional_counter_type type)
+{
+	int i;
+
+	for (i = 0; i < MAX_OPFC_RULES && opfc->rule[i]; i++) {
+		mlx5_del_flow_rules(opfc->rule[i]);
+		put_flow_table(dev, &dev->flow_db->opfcs[type], true);
+	}
+}
+
+static void set_underlay_qp(struct mlx5_ib_dev *dev,
+			    struct mlx5_flow_spec *spec,
+			    u32 underlay_qpn)
+{
+	void *misc_params_c = MLX5_ADDR_OF(fte_match_param,
+					   spec->match_criteria,
+					   misc_parameters);
+	void *misc_params_v = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+					   misc_parameters);
+
+	if (underlay_qpn &&
+	    MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
+				      ft_field_support.bth_dst_qp)) {
+		MLX5_SET(fte_match_set_misc,
+			 misc_params_v, bth_dst_qp, underlay_qpn);
+		MLX5_SET(fte_match_set_misc,
+			 misc_params_c, bth_dst_qp, 0xffffff);
+	}
+}
+
+static void mlx5_ib_set_rule_source_port(struct mlx5_ib_dev *dev,
+					 struct mlx5_flow_spec *spec,
+					 struct mlx5_eswitch_rep *rep)
+{
+	struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
+	void *misc;
+
+	if (mlx5_eswitch_vport_match_metadata_enabled(esw)) {
+		misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+				    misc_parameters_2);
+
+		MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0,
+			 mlx5_eswitch_get_vport_metadata_for_match(rep->esw,
+								   rep->vport));
+		misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
+				    misc_parameters_2);
+
+		MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0,
+			 mlx5_eswitch_get_vport_metadata_mask());
+	} else {
+		misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+				    misc_parameters);
+
+		MLX5_SET(fte_match_set_misc, misc, source_port, rep->vport);
+
+		misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
+				    misc_parameters);
+
+		MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
+	}
+}
+
+static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
+						      struct mlx5_ib_flow_prio *ft_prio,
+						      const struct ib_flow_attr *flow_attr,
+						      struct mlx5_flow_destination *dst,
+						      u32 underlay_qpn,
+						      struct mlx5_ib_create_flow *ucmd)
+{
+	struct mlx5_flow_table	*ft = ft_prio->flow_table;
+	struct mlx5_ib_flow_handler *handler;
+	struct mlx5_flow_act flow_act = {};
+	struct mlx5_flow_spec *spec;
+	struct mlx5_flow_destination dest_arr[2] = {};
+	struct mlx5_flow_destination *rule_dst = dest_arr;
+	const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr);
+	unsigned int spec_index;
+	u32 prev_type = 0;
+	int err = 0;
+	int dest_num = 0;
+	bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS;
+
+	if (!is_valid_attr(dev->mdev, flow_attr))
+		return ERR_PTR(-EINVAL);
+
+	if (dev->is_rep && is_egress)
+		return ERR_PTR(-EINVAL);
+
+	spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+	handler = kzalloc(sizeof(*handler), GFP_KERNEL);
+	if (!handler || !spec) {
+		err = -ENOMEM;
+		goto free;
+	}
+
+	INIT_LIST_HEAD(&handler->list);
+
+	for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) {
+		err = parse_flow_attr(dev->mdev, spec,
+				      ib_flow, flow_attr, &flow_act,
+				      prev_type);
+		if (err < 0)
+			goto free;
+
+		prev_type = ((union ib_flow_spec *)ib_flow)->type;
+		ib_flow += ((union ib_flow_spec *)ib_flow)->size;
+	}
+
+	if (dst && !(flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP)) {
+		memcpy(&dest_arr[0], dst, sizeof(*dst));
+		dest_num++;
+	}
+
+	if (!flow_is_multicast_only(flow_attr))
+		set_underlay_qp(dev, spec, underlay_qpn);
+
+	if (dev->is_rep && flow_attr->type != IB_FLOW_ATTR_SNIFFER) {
+		struct mlx5_eswitch_rep *rep;
+
+		rep = dev->port[flow_attr->port - 1].rep;
+		if (!rep) {
+			err = -EINVAL;
+			goto free;
+		}
+
+		mlx5_ib_set_rule_source_port(dev, spec, rep);
+	}
+
+	spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria);
+
+	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
+		struct mlx5_ib_mcounters *mcounters;
+
+		err = mlx5_ib_flow_counters_set_data(flow_act.counters, ucmd);
+		if (err)
+			goto free;
+
+		mcounters = to_mcounters(flow_act.counters);
+		handler->ibcounters = flow_act.counters;
+		dest_arr[dest_num].type =
+			MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+		dest_arr[dest_num].counter_id =
+			mlx5_fc_id(mcounters->hw_cntrs_hndl);
+		dest_num++;
+	}
+
+	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) {
+		if (!dest_num)
+			rule_dst = NULL;
+	} else {
+		if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)
+			flow_act.action |=
+				MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO;
+		if (is_egress)
+			flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+		else if (dest_num)
+			flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+	}
+
+	if ((spec->flow_context.flags & FLOW_CONTEXT_HAS_TAG)  &&
+	    (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
+	     flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) {
+		mlx5_ib_warn(dev, "Flow tag %u and attribute type %x isn't allowed in leftovers\n",
+			     spec->flow_context.flow_tag, flow_attr->type);
+		err = -EINVAL;
+		goto free;
+	}
+	handler->rule = mlx5_add_flow_rules(ft, spec,
+					    &flow_act,
+					    rule_dst, dest_num);
+
+	if (IS_ERR(handler->rule)) {
+		err = PTR_ERR(handler->rule);
+		goto free;
+	}
+
+	ft_prio->refcount++;
+	handler->prio = ft_prio;
+	handler->dev = dev;
+
+	ft_prio->flow_table = ft;
+free:
+	if (err && handler) {
+		mlx5_ib_counters_clear_description(handler->ibcounters);
+		kfree(handler);
+	}
+	kvfree(spec);
+	return err ? ERR_PTR(err) : handler;
+}
+
+static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev,
+						     struct mlx5_ib_flow_prio *ft_prio,
+						     const struct ib_flow_attr *flow_attr,
+						     struct mlx5_flow_destination *dst)
+{
+	return _create_flow_rule(dev, ft_prio, flow_attr, dst, 0, NULL);
+}
+
+enum {
+	LEFTOVERS_MC,
+	LEFTOVERS_UC,
+};
+
+static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev,
+							  struct mlx5_ib_flow_prio *ft_prio,
+							  struct ib_flow_attr *flow_attr,
+							  struct mlx5_flow_destination *dst)
+{
+	struct mlx5_ib_flow_handler *handler_ucast = NULL;
+	struct mlx5_ib_flow_handler *handler = NULL;
+
+	static struct {
+		struct ib_flow_attr	flow_attr;
+		struct ib_flow_spec_eth eth_flow;
+	} leftovers_specs[] = {
+		[LEFTOVERS_MC] = {
+			.flow_attr = {
+				.num_of_specs = 1,
+				.size = sizeof(leftovers_specs[0])
+			},
+			.eth_flow = {
+				.type = IB_FLOW_SPEC_ETH,
+				.size = sizeof(struct ib_flow_spec_eth),
+				.mask = {.dst_mac = {0x1} },
+				.val =  {.dst_mac = {0x1} }
+			}
+		},
+		[LEFTOVERS_UC] = {
+			.flow_attr = {
+				.num_of_specs = 1,
+				.size = sizeof(leftovers_specs[0])
+			},
+			.eth_flow = {
+				.type = IB_FLOW_SPEC_ETH,
+				.size = sizeof(struct ib_flow_spec_eth),
+				.mask = {.dst_mac = {0x1} },
+				.val = {.dst_mac = {} }
+			}
+		}
+	};
+
+	handler = create_flow_rule(dev, ft_prio,
+				   &leftovers_specs[LEFTOVERS_MC].flow_attr,
+				   dst);
+	if (!IS_ERR(handler) &&
+	    flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) {
+		handler_ucast = create_flow_rule(dev, ft_prio,
+						 &leftovers_specs[LEFTOVERS_UC].flow_attr,
+						 dst);
+		if (IS_ERR(handler_ucast)) {
+			mlx5_del_flow_rules(handler->rule);
+			ft_prio->refcount--;
+			kfree(handler);
+			handler = handler_ucast;
+		} else {
+			list_add(&handler_ucast->list, &handler->list);
+		}
+	}
+
+	return handler;
+}
+
+static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev,
+							struct mlx5_ib_flow_prio *ft_rx,
+							struct mlx5_ib_flow_prio *ft_tx,
+							struct mlx5_flow_destination *dst)
+{
+	struct mlx5_ib_flow_handler *handler_rx;
+	struct mlx5_ib_flow_handler *handler_tx;
+	int err;
+	static const struct ib_flow_attr flow_attr  = {
+		.num_of_specs = 0,
+		.type = IB_FLOW_ATTR_SNIFFER,
+		.size = sizeof(flow_attr)
+	};
+
+	handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst);
+	if (IS_ERR(handler_rx)) {
+		err = PTR_ERR(handler_rx);
+		goto err;
+	}
+
+	handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst);
+	if (IS_ERR(handler_tx)) {
+		err = PTR_ERR(handler_tx);
+		goto err_tx;
+	}
+
+	list_add(&handler_tx->list, &handler_rx->list);
+
+	return handler_rx;
+
+err_tx:
+	mlx5_del_flow_rules(handler_rx->rule);
+	ft_rx->refcount--;
+	kfree(handler_rx);
+err:
+	return ERR_PTR(err);
+}
+
+static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp,
+					   struct ib_flow_attr *flow_attr,
+					   struct ib_udata *udata)
+{
+	struct mlx5_ib_dev *dev = to_mdev(qp->device);
+	struct mlx5_ib_qp *mqp = to_mqp(qp);
+	struct mlx5_ib_flow_handler *handler = NULL;
+	struct mlx5_flow_destination *dst = NULL;
+	struct mlx5_ib_flow_prio *ft_prio_tx = NULL;
+	struct mlx5_ib_flow_prio *ft_prio;
+	bool is_egress = flow_attr->flags & IB_FLOW_ATTR_FLAGS_EGRESS;
+	struct mlx5_ib_create_flow *ucmd = NULL, ucmd_hdr;
+	size_t min_ucmd_sz, required_ucmd_sz;
+	int err;
+	int underlay_qpn;
+
+	if (udata && udata->inlen) {
+		min_ucmd_sz = offsetofend(struct mlx5_ib_create_flow, reserved);
+		if (udata->inlen < min_ucmd_sz)
+			return ERR_PTR(-EOPNOTSUPP);
+
+		err = ib_copy_from_udata(&ucmd_hdr, udata, min_ucmd_sz);
+		if (err)
+			return ERR_PTR(err);
+
+		/* currently supports only one counters data */
+		if (ucmd_hdr.ncounters_data > 1)
+			return ERR_PTR(-EINVAL);
+
+		required_ucmd_sz = min_ucmd_sz +
+			sizeof(struct mlx5_ib_flow_counters_data) *
+			ucmd_hdr.ncounters_data;
+		if (udata->inlen > required_ucmd_sz &&
+		    !ib_is_udata_cleared(udata, required_ucmd_sz,
+					 udata->inlen - required_ucmd_sz))
+			return ERR_PTR(-EOPNOTSUPP);
+
+		ucmd = kzalloc(required_ucmd_sz, GFP_KERNEL);
+		if (!ucmd)
+			return ERR_PTR(-ENOMEM);
+
+		err = ib_copy_from_udata(ucmd, udata, required_ucmd_sz);
+		if (err)
+			goto free_ucmd;
+	}
+
+	if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) {
+		err = -ENOMEM;
+		goto free_ucmd;
+	}
+
+	if (flow_attr->flags &
+	    ~(IB_FLOW_ATTR_FLAGS_DONT_TRAP | IB_FLOW_ATTR_FLAGS_EGRESS)) {
+		err = -EINVAL;
+		goto free_ucmd;
+	}
+
+	if (is_egress &&
+	    (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT ||
+	     flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) {
+		err = -EINVAL;
+		goto free_ucmd;
+	}
+
+	dst = kzalloc(sizeof(*dst), GFP_KERNEL);
+	if (!dst) {
+		err = -ENOMEM;
+		goto free_ucmd;
+	}
+
+	mutex_lock(&dev->flow_db->lock);
+
+	ft_prio = get_flow_table(dev, flow_attr,
+				 is_egress ? MLX5_IB_FT_TX : MLX5_IB_FT_RX);
+	if (IS_ERR(ft_prio)) {
+		err = PTR_ERR(ft_prio);
+		goto unlock;
+	}
+	if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) {
+		ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX);
+		if (IS_ERR(ft_prio_tx)) {
+			err = PTR_ERR(ft_prio_tx);
+			ft_prio_tx = NULL;
+			goto destroy_ft;
+		}
+	}
+
+	if (is_egress) {
+		dst->type = MLX5_FLOW_DESTINATION_TYPE_PORT;
+	} else {
+		dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR;
+		if (mqp->is_rss)
+			dst->tir_num = mqp->rss_qp.tirn;
+		else
+			dst->tir_num = mqp->raw_packet_qp.rq.tirn;
+	}
+
+	switch (flow_attr->type) {
+	case IB_FLOW_ATTR_NORMAL:
+		underlay_qpn = (mqp->flags & IB_QP_CREATE_SOURCE_QPN) ?
+				       mqp->underlay_qpn :
+				       0;
+		handler = _create_flow_rule(dev, ft_prio, flow_attr, dst,
+					    underlay_qpn, ucmd);
+		break;
+	case IB_FLOW_ATTR_ALL_DEFAULT:
+	case IB_FLOW_ATTR_MC_DEFAULT:
+		handler = create_leftovers_rule(dev, ft_prio, flow_attr, dst);
+		break;
+	case IB_FLOW_ATTR_SNIFFER:
+		handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst);
+		break;
+	default:
+		err = -EINVAL;
+		goto destroy_ft;
+	}
+
+	if (IS_ERR(handler)) {
+		err = PTR_ERR(handler);
+		handler = NULL;
+		goto destroy_ft;
+	}
+
+	mutex_unlock(&dev->flow_db->lock);
+	kfree(dst);
+	kfree(ucmd);
+
+	return &handler->ibflow;
+
+destroy_ft:
+	put_flow_table(dev, ft_prio, false);
+	if (ft_prio_tx)
+		put_flow_table(dev, ft_prio_tx, false);
+unlock:
+	mutex_unlock(&dev->flow_db->lock);
+	kfree(dst);
+free_ucmd:
+	kfree(ucmd);
+	return ERR_PTR(err);
+}
+
+static struct mlx5_ib_flow_prio *
+_get_flow_table(struct mlx5_ib_dev *dev, u16 user_priority,
+		enum mlx5_flow_namespace_type ns_type,
+		bool mcast)
+{
+	struct mlx5_flow_namespace *ns = NULL;
+	struct mlx5_ib_flow_prio *prio = NULL;
+	int max_table_size = 0;
+	bool esw_encap;
+	u32 flags = 0;
+	int priority;
+
+	if (mcast)
+		priority = MLX5_IB_FLOW_MCAST_PRIO;
+	else
+		priority = ib_prio_to_core_prio(user_priority, false);
+
+	esw_encap = mlx5_eswitch_get_encap_mode(dev->mdev) !=
+		DEVLINK_ESWITCH_ENCAP_MODE_NONE;
+	switch (ns_type) {
+	case MLX5_FLOW_NAMESPACE_BYPASS:
+		max_table_size = BIT(
+			MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, log_max_ft_size));
+		if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap) && !esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
+		if (MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
+					      reformat_l3_tunnel_to_l2) &&
+		    !esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
+		break;
+	case MLX5_FLOW_NAMESPACE_EGRESS:
+		max_table_size = BIT(
+			MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, log_max_ft_size));
+		if (MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, reformat) &&
+		    !esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
+		break;
+	case MLX5_FLOW_NAMESPACE_FDB_BYPASS:
+		max_table_size = BIT(
+			MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, log_max_ft_size));
+		if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev, decap) && esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
+		if (MLX5_CAP_ESW_FLOWTABLE_FDB(dev->mdev,
+					       reformat_l3_tunnel_to_l2) &&
+		    esw_encap)
+			flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
+		priority = user_priority;
+		break;
+	case MLX5_FLOW_NAMESPACE_RDMA_RX:
+		max_table_size = BIT(
+			MLX5_CAP_FLOWTABLE_RDMA_RX(dev->mdev, log_max_ft_size));
+		priority = user_priority;
+		break;
+	case MLX5_FLOW_NAMESPACE_RDMA_TX:
+		max_table_size = BIT(
+			MLX5_CAP_FLOWTABLE_RDMA_TX(dev->mdev, log_max_ft_size));
+		priority = user_priority;
+		break;
+	default:
+		break;
+	}
+
+	max_table_size = min_t(int, max_table_size, MLX5_FS_MAX_ENTRIES);
+
+	ns = mlx5_get_flow_namespace(dev->mdev, ns_type);
+	if (!ns)
+		return ERR_PTR(-EOPNOTSUPP);
+
+	switch (ns_type) {
+	case MLX5_FLOW_NAMESPACE_BYPASS:
+		prio = &dev->flow_db->prios[priority];
+		break;
+	case MLX5_FLOW_NAMESPACE_EGRESS:
+		prio = &dev->flow_db->egress_prios[priority];
+		break;
+	case MLX5_FLOW_NAMESPACE_FDB_BYPASS:
+		prio = &dev->flow_db->fdb[priority];
+		break;
+	case MLX5_FLOW_NAMESPACE_RDMA_RX:
+		prio = &dev->flow_db->rdma_rx[priority];
+		break;
+	case MLX5_FLOW_NAMESPACE_RDMA_TX:
+		prio = &dev->flow_db->rdma_tx[priority];
+		break;
+	default: return ERR_PTR(-EINVAL);
+	}
+
+	if (!prio)
+		return ERR_PTR(-EINVAL);
+
+	if (prio->flow_table)
+		return prio;
+
+	return _get_prio(dev, ns, prio, priority, max_table_size,
+			 MLX5_FS_MAX_TYPES, flags);
+}
+
+static struct mlx5_ib_flow_handler *
+_create_raw_flow_rule(struct mlx5_ib_dev *dev,
+		      struct mlx5_ib_flow_prio *ft_prio,
+		      struct mlx5_flow_destination *dst,
+		      struct mlx5_ib_flow_matcher  *fs_matcher,
+		      struct mlx5_flow_context *flow_context,
+		      struct mlx5_flow_act *flow_act,
+		      void *cmd_in, int inlen,
+		      int dst_num)
+{
+	struct mlx5_ib_flow_handler *handler;
+	struct mlx5_flow_spec *spec;
+	struct mlx5_flow_table *ft = ft_prio->flow_table;
+	int err = 0;
+
+	spec = kvzalloc(sizeof(*spec), GFP_KERNEL);
+	handler = kzalloc(sizeof(*handler), GFP_KERNEL);
+	if (!handler || !spec) {
+		err = -ENOMEM;
+		goto free;
+	}
+
+	INIT_LIST_HEAD(&handler->list);
+
+	memcpy(spec->match_value, cmd_in, inlen);
+	memcpy(spec->match_criteria, fs_matcher->matcher_mask.match_params,
+	       fs_matcher->mask_len);
+	spec->match_criteria_enable = fs_matcher->match_criteria_enable;
+	spec->flow_context = *flow_context;
+
+	handler->rule = mlx5_add_flow_rules(ft, spec,
+					    flow_act, dst, dst_num);
+
+	if (IS_ERR(handler->rule)) {
+		err = PTR_ERR(handler->rule);
+		goto free;
+	}
+
+	ft_prio->refcount++;
+	handler->prio = ft_prio;
+	handler->dev = dev;
+	ft_prio->flow_table = ft;
+
+free:
+	if (err)
+		kfree(handler);
+	kvfree(spec);
+	return err ? ERR_PTR(err) : handler;
+}
+
+static bool raw_fs_is_multicast(struct mlx5_ib_flow_matcher *fs_matcher,
+				void *match_v)
+{
+	void *match_c;
+	void *match_v_set_lyr_2_4, *match_c_set_lyr_2_4;
+	void *dmac, *dmac_mask;
+	void *ipv4, *ipv4_mask;
+
+	if (!(fs_matcher->match_criteria_enable &
+	      (1 << MATCH_CRITERIA_ENABLE_OUTER_BIT)))
+		return false;
+
+	match_c = fs_matcher->matcher_mask.match_params;
+	match_v_set_lyr_2_4 = MLX5_ADDR_OF(fte_match_param, match_v,
+					   outer_headers);
+	match_c_set_lyr_2_4 = MLX5_ADDR_OF(fte_match_param, match_c,
+					   outer_headers);
+
+	dmac = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_v_set_lyr_2_4,
+			    dmac_47_16);
+	dmac_mask = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_c_set_lyr_2_4,
+				 dmac_47_16);
+
+	if (is_multicast_ether_addr(dmac) &&
+	    is_multicast_ether_addr(dmac_mask))
+		return true;
+
+	ipv4 = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_v_set_lyr_2_4,
+			    dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
+
+	ipv4_mask = MLX5_ADDR_OF(fte_match_set_lyr_2_4, match_c_set_lyr_2_4,
+				 dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
+
+	if (ipv4_is_multicast(*(__be32 *)(ipv4)) &&
+	    ipv4_is_multicast(*(__be32 *)(ipv4_mask)))
+		return true;
+
+	return false;
+}
+
+static struct mlx5_ib_flow_handler *raw_fs_rule_add(
+	struct mlx5_ib_dev *dev, struct mlx5_ib_flow_matcher *fs_matcher,
+	struct mlx5_flow_context *flow_context, struct mlx5_flow_act *flow_act,
+	u32 counter_id, void *cmd_in, int inlen, int dest_id, int dest_type)
+{
+	struct mlx5_flow_destination *dst;
+	struct mlx5_ib_flow_prio *ft_prio;
+	struct mlx5_ib_flow_handler *handler;
+	int dst_num = 0;
+	bool mcast;
+	int err;
+
+	if (fs_matcher->flow_type != MLX5_IB_FLOW_TYPE_NORMAL)
+		return ERR_PTR(-EOPNOTSUPP);
+
+	if (fs_matcher->priority > MLX5_IB_FLOW_LAST_PRIO)
+		return ERR_PTR(-ENOMEM);
+
+	dst = kcalloc(2, sizeof(*dst), GFP_KERNEL);
+	if (!dst)
+		return ERR_PTR(-ENOMEM);
+
+	mcast = raw_fs_is_multicast(fs_matcher, cmd_in);
+	mutex_lock(&dev->flow_db->lock);
+
+	ft_prio = _get_flow_table(dev, fs_matcher->priority,
+				  fs_matcher->ns_type, mcast);
+	if (IS_ERR(ft_prio)) {
+		err = PTR_ERR(ft_prio);
+		goto unlock;
+	}
+
+	switch (dest_type) {
+	case MLX5_FLOW_DESTINATION_TYPE_TIR:
+		dst[dst_num].type = dest_type;
+		dst[dst_num++].tir_num = dest_id;
+		flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+		break;
+	case MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE:
+		dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM;
+		dst[dst_num++].ft_num = dest_id;
+		flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+		break;
+	case MLX5_FLOW_DESTINATION_TYPE_PORT:
+		dst[dst_num++].type = MLX5_FLOW_DESTINATION_TYPE_PORT;
+		flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
+		break;
+	default:
+		break;
+	}
+
+	if (flow_act->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
+		dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+		dst[dst_num].counter_id = counter_id;
+		dst_num++;
+	}
+
+	handler = _create_raw_flow_rule(dev, ft_prio, dst_num ? dst : NULL,
+					fs_matcher, flow_context, flow_act,
+					cmd_in, inlen, dst_num);
+
+	if (IS_ERR(handler)) {
+		err = PTR_ERR(handler);
+		goto destroy_ft;
+	}
+
+	mutex_unlock(&dev->flow_db->lock);
+	atomic_inc(&fs_matcher->usecnt);
+	handler->flow_matcher = fs_matcher;
+
+	kfree(dst);
+
+	return handler;
+
+destroy_ft:
+	put_flow_table(dev, ft_prio, false);
+unlock:
+	mutex_unlock(&dev->flow_db->lock);
+	kfree(dst);
+
+	return ERR_PTR(err);
+}
+
+static void destroy_flow_action_raw(struct mlx5_ib_flow_action *maction)
+{
+	switch (maction->flow_action_raw.sub_type) {
+	case MLX5_IB_FLOW_ACTION_MODIFY_HEADER:
+		mlx5_modify_header_dealloc(maction->flow_action_raw.dev->mdev,
+					   maction->flow_action_raw.modify_hdr);
+		break;
+	case MLX5_IB_FLOW_ACTION_PACKET_REFORMAT:
+		mlx5_packet_reformat_dealloc(maction->flow_action_raw.dev->mdev,
+					     maction->flow_action_raw.pkt_reformat);
+		break;
+	case MLX5_IB_FLOW_ACTION_DECAP:
+		break;
+	default:
+		break;
+	}
+}
+
+static int mlx5_ib_destroy_flow_action(struct ib_flow_action *action)
+{
+	struct mlx5_ib_flow_action *maction = to_mflow_act(action);
+
+	switch (action->type) {
+	case IB_FLOW_ACTION_UNSPECIFIED:
+		destroy_flow_action_raw(maction);
+		break;
+	default:
+		WARN_ON(true);
+		break;
+	}
+
+	kfree(maction);
+	return 0;
+}
+
+static int
+mlx5_ib_ft_type_to_namespace(enum mlx5_ib_uapi_flow_table_type table_type,
+			     enum mlx5_flow_namespace_type *namespace)
+{
+	switch (table_type) {
+	case MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX:
+		*namespace = MLX5_FLOW_NAMESPACE_BYPASS;
+		break;
+	case MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX:
+		*namespace = MLX5_FLOW_NAMESPACE_EGRESS;
+		break;
+	case MLX5_IB_UAPI_FLOW_TABLE_TYPE_FDB:
+		*namespace = MLX5_FLOW_NAMESPACE_FDB_BYPASS;
+		break;
+	case MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_RX:
+		*namespace = MLX5_FLOW_NAMESPACE_RDMA_RX;
+		break;
+	case MLX5_IB_UAPI_FLOW_TABLE_TYPE_RDMA_TX:
+		*namespace = MLX5_FLOW_NAMESPACE_RDMA_TX;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct uverbs_attr_spec mlx5_ib_flow_type[] = {
+	[MLX5_IB_FLOW_TYPE_NORMAL] = {
+		.type = UVERBS_ATTR_TYPE_PTR_IN,
+		.u.ptr = {
+			.len = sizeof(u16), /* data is priority */
+			.min_len = sizeof(u16),
+		}
+	},
+	[MLX5_IB_FLOW_TYPE_SNIFFER] = {
+		.type = UVERBS_ATTR_TYPE_PTR_IN,
+		UVERBS_ATTR_NO_DATA(),
+	},
+	[MLX5_IB_FLOW_TYPE_ALL_DEFAULT] = {
+		.type = UVERBS_ATTR_TYPE_PTR_IN,
+		UVERBS_ATTR_NO_DATA(),
+	},
+	[MLX5_IB_FLOW_TYPE_MC_DEFAULT] = {
+		.type = UVERBS_ATTR_TYPE_PTR_IN,
+		UVERBS_ATTR_NO_DATA(),
+	},
+};
+
+static bool is_flow_dest(void *obj, int *dest_id, int *dest_type)
+{
+	struct devx_obj *devx_obj = obj;
+	u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode);
+
+	switch (opcode) {
+	case MLX5_CMD_OP_DESTROY_TIR:
+		*dest_type = MLX5_FLOW_DESTINATION_TYPE_TIR;
+		*dest_id = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox,
+				    obj_id);
+		return true;
+
+	case MLX5_CMD_OP_DESTROY_FLOW_TABLE:
+		*dest_type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+		*dest_id = MLX5_GET(destroy_flow_table_in, devx_obj->dinbox,
+				    table_id);
+		return true;
+	default:
+		return false;
+	}
+}
+
+static int get_dests(struct uverbs_attr_bundle *attrs,
+		     struct mlx5_ib_flow_matcher *fs_matcher, int *dest_id,
+		     int *dest_type, struct ib_qp **qp, u32 *flags)
+{
+	bool dest_devx, dest_qp;
+	void *devx_obj;
+	int err;
+
+	dest_devx = uverbs_attr_is_valid(attrs,
+					 MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX);
+	dest_qp = uverbs_attr_is_valid(attrs,
+				       MLX5_IB_ATTR_CREATE_FLOW_DEST_QP);
+
+	*flags = 0;
+	err = uverbs_get_flags32(flags, attrs, MLX5_IB_ATTR_CREATE_FLOW_FLAGS,
+				 MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS |
+					 MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP);
+	if (err)
+		return err;
+
+	/* Both flags are not allowed */
+	if (*flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS &&
+	    *flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP)
+		return -EINVAL;
+
+	if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_BYPASS) {
+		if (dest_devx && (dest_qp || *flags))
+			return -EINVAL;
+		else if (dest_qp && *flags)
+			return -EINVAL;
+	}
+
+	/* Allow only DEVX object, drop as dest for FDB */
+	if (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB_BYPASS &&
+	    !(dest_devx || (*flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP)))
+		return -EINVAL;
+
+	/* Allow only DEVX object or QP as dest when inserting to RDMA_RX */
+	if ((fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_RX) &&
+	    ((!dest_devx && !dest_qp) || (dest_devx && dest_qp)))
+		return -EINVAL;
+
+	*qp = NULL;
+	if (dest_devx) {
+		devx_obj =
+			uverbs_attr_get_obj(attrs,
+					    MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX);
+
+		/* Verify that the given DEVX object is a flow
+		 * steering destination.
+		 */
+		if (!is_flow_dest(devx_obj, dest_id, dest_type))
+			return -EINVAL;
+		/* Allow only flow table as dest when inserting to FDB or RDMA_RX */
+		if ((fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_FDB_BYPASS ||
+		     fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_RX) &&
+		    *dest_type != MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE)
+			return -EINVAL;
+	} else if (dest_qp) {
+		struct mlx5_ib_qp *mqp;
+
+		*qp = uverbs_attr_get_obj(attrs,
+					  MLX5_IB_ATTR_CREATE_FLOW_DEST_QP);
+		if (IS_ERR(*qp))
+			return PTR_ERR(*qp);
+
+		if ((*qp)->qp_type != IB_QPT_RAW_PACKET)
+			return -EINVAL;
+
+		mqp = to_mqp(*qp);
+		if (mqp->is_rss)
+			*dest_id = mqp->rss_qp.tirn;
+		else
+			*dest_id = mqp->raw_packet_qp.rq.tirn;
+		*dest_type = MLX5_FLOW_DESTINATION_TYPE_TIR;
+	} else if ((fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS ||
+		    fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_TX) &&
+		   !(*flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP)) {
+		*dest_type = MLX5_FLOW_DESTINATION_TYPE_PORT;
+	}
+
+	if (*dest_type == MLX5_FLOW_DESTINATION_TYPE_TIR &&
+	    (fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_EGRESS ||
+	     fs_matcher->ns_type == MLX5_FLOW_NAMESPACE_RDMA_TX))
+		return -EINVAL;
+
+	return 0;
+}
+
+static bool is_flow_counter(void *obj, u32 offset, u32 *counter_id)
+{
+	struct devx_obj *devx_obj = obj;
+	u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode);
+
+	if (opcode == MLX5_CMD_OP_DEALLOC_FLOW_COUNTER) {
+
+		if (offset && offset >= devx_obj->flow_counter_bulk_size)
+			return false;
+
+		*counter_id = MLX5_GET(dealloc_flow_counter_in,
+				       devx_obj->dinbox,
+				       flow_counter_id);
+		*counter_id += offset;
+		return true;
+	}
+
+	return false;
+}
+
+#define MLX5_IB_CREATE_FLOW_MAX_FLOW_ACTIONS 2
+static int UVERBS_HANDLER(MLX5_IB_METHOD_CREATE_FLOW)(
+	struct uverbs_attr_bundle *attrs)
+{
+	struct mlx5_flow_context flow_context = {.flow_tag =
+		MLX5_FS_DEFAULT_FLOW_TAG};
+	u32 *offset_attr, offset = 0, counter_id = 0;
+	int dest_id, dest_type = -1, inlen, len, ret, i;
+	struct mlx5_ib_flow_handler *flow_handler;
+	struct mlx5_ib_flow_matcher *fs_matcher;
+	struct ib_uobject **arr_flow_actions;
+	struct ib_uflow_resources *uflow_res;
+	struct mlx5_flow_act flow_act = {};
+	struct ib_qp *qp = NULL;
+	void *devx_obj, *cmd_in;
+	struct ib_uobject *uobj;
+	struct mlx5_ib_dev *dev;
+	u32 flags;
+
+	if (!capable(CAP_NET_RAW))
+		return -EPERM;
+
+	fs_matcher = uverbs_attr_get_obj(attrs,
+					 MLX5_IB_ATTR_CREATE_FLOW_MATCHER);
+	uobj =  uverbs_attr_get_uobject(attrs, MLX5_IB_ATTR_CREATE_FLOW_HANDLE);
+	dev = mlx5_udata_to_mdev(&attrs->driver_udata);
+
+	if (get_dests(attrs, fs_matcher, &dest_id, &dest_type, &qp, &flags))
+		return -EINVAL;
+
+	if (flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DEFAULT_MISS)
+		flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_NS;
+
+	if (flags & MLX5_IB_ATTR_CREATE_FLOW_FLAGS_DROP)
+		flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_DROP;
+
+	len = uverbs_attr_get_uobjs_arr(attrs,
+		MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX, &arr_flow_actions);
+	if (len) {
+		devx_obj = arr_flow_actions[0]->object;
+
+		if (uverbs_attr_is_valid(attrs,
+					 MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX_OFFSET)) {
+
+			int num_offsets = uverbs_attr_ptr_get_array_size(
+				attrs,
+				MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX_OFFSET,
+				sizeof(u32));
+
+			if (num_offsets != 1)
+				return -EINVAL;
+
+			offset_attr = uverbs_attr_get_alloced_ptr(
+				attrs,
+				MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX_OFFSET);
+			offset = *offset_attr;
+		}
+
+		if (!is_flow_counter(devx_obj, offset, &counter_id))
+			return -EINVAL;
+
+		flow_act.action |= MLX5_FLOW_CONTEXT_ACTION_COUNT;
+	}
+
+	cmd_in = uverbs_attr_get_alloced_ptr(
+		attrs, MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE);
+	inlen = uverbs_attr_get_len(attrs,
+				    MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE);
+
+	uflow_res = flow_resources_alloc(MLX5_IB_CREATE_FLOW_MAX_FLOW_ACTIONS);
+	if (!uflow_res)
+		return -ENOMEM;
+
+	len = uverbs_attr_get_uobjs_arr(attrs,
+		MLX5_IB_ATTR_CREATE_FLOW_ARR_FLOW_ACTIONS, &arr_flow_actions);
+	for (i = 0; i < len; i++) {
+		struct mlx5_ib_flow_action *maction =
+			to_mflow_act(arr_flow_actions[i]->object);
+
+		ret = parse_flow_flow_action(maction, false, &flow_act);
+		if (ret)
+			goto err_out;
+		flow_resources_add(uflow_res, IB_FLOW_SPEC_ACTION_HANDLE,
+				   arr_flow_actions[i]->object);
+	}
+
+	ret = uverbs_copy_from(&flow_context.flow_tag, attrs,
+			       MLX5_IB_ATTR_CREATE_FLOW_TAG);
+	if (!ret) {
+		if (flow_context.flow_tag >= BIT(24)) {
+			ret = -EINVAL;
+			goto err_out;
+		}
+		flow_context.flags |= FLOW_CONTEXT_HAS_TAG;
+	}
+
+	flow_handler =
+		raw_fs_rule_add(dev, fs_matcher, &flow_context, &flow_act,
+				counter_id, cmd_in, inlen, dest_id, dest_type);
+	if (IS_ERR(flow_handler)) {
+		ret = PTR_ERR(flow_handler);
+		goto err_out;
+	}
+
+	ib_set_flow(uobj, &flow_handler->ibflow, qp, &dev->ib_dev, uflow_res);
+
+	return 0;
+err_out:
+	ib_uverbs_flow_resources_free(uflow_res);
+	return ret;
+}
+
+static int flow_matcher_cleanup(struct ib_uobject *uobject,
+				enum rdma_remove_reason why,
+				struct uverbs_attr_bundle *attrs)
+{
+	struct mlx5_ib_flow_matcher *obj = uobject->object;
+
+	if (atomic_read(&obj->usecnt))
+		return -EBUSY;
+
+	kfree(obj);
+	return 0;
+}
+
+static int steering_anchor_create_ft(struct mlx5_ib_dev *dev,
+				     struct mlx5_ib_flow_prio *ft_prio,
+				     enum mlx5_flow_namespace_type ns_type)
+{
+	struct mlx5_flow_table_attr ft_attr = {};
+	struct mlx5_flow_namespace *ns;
+	struct mlx5_flow_table *ft;
+
+	if (ft_prio->anchor.ft)
+		return 0;
+
+	ns = mlx5_get_flow_namespace(dev->mdev, ns_type);
+	if (!ns)
+		return -EOPNOTSUPP;
+
+	ft_attr.flags = MLX5_FLOW_TABLE_UNMANAGED;
+	ft_attr.uid = MLX5_SHARED_RESOURCE_UID;
+	ft_attr.prio = 0;
+	ft_attr.max_fte = 2;
+	ft_attr.level = 1;
+
+	ft = mlx5_create_flow_table(ns, &ft_attr);
+	if (IS_ERR(ft))
+		return PTR_ERR(ft);
+
+	ft_prio->anchor.ft = ft;
+
+	return 0;
+}
+
+static void steering_anchor_destroy_ft(struct mlx5_ib_flow_prio *ft_prio)
+{
+	if (ft_prio->anchor.ft) {
+		mlx5_destroy_flow_table(ft_prio->anchor.ft);
+		ft_prio->anchor.ft = NULL;
+	}
+}
+
+static int
+steering_anchor_create_fg_drop(struct mlx5_ib_flow_prio *ft_prio)
+{
+	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+	struct mlx5_flow_group *fg;
+	void *flow_group_in;
+	int err = 0;
+
+	if (ft_prio->anchor.fg_drop)
+		return 0;
+
+	flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+	if (!flow_group_in)
+		return -ENOMEM;
+
+	MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, 1);
+	MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, 1);
+
+	fg = mlx5_create_flow_group(ft_prio->anchor.ft, flow_group_in);
+	if (IS_ERR(fg)) {
+		err = PTR_ERR(fg);
+		goto out;
+	}
+
+	ft_prio->anchor.fg_drop = fg;
+
+out:
+	kvfree(flow_group_in);
+
+	return err;
+}
+
+static void
+steering_anchor_destroy_fg_drop(struct mlx5_ib_flow_prio *ft_prio)
+{
+	if (ft_prio->anchor.fg_drop) {
+		mlx5_destroy_flow_group(ft_prio->anchor.fg_drop);
+		ft_prio->anchor.fg_drop = NULL;
+	}
+}
+
+static int
+steering_anchor_create_fg_goto_table(struct mlx5_ib_flow_prio *ft_prio)
+{
+	int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in);
+	struct mlx5_flow_group *fg;
+	void *flow_group_in;
+	int err = 0;
+
+	if (ft_prio->anchor.fg_goto_table)
+		return 0;
+
+	flow_group_in = kvzalloc(inlen, GFP_KERNEL);
+	if (!flow_group_in)
+		return -ENOMEM;
+
+	fg = mlx5_create_flow_group(ft_prio->anchor.ft, flow_group_in);
+	if (IS_ERR(fg)) {
+		err = PTR_ERR(fg);
+		goto out;
+	}
+	ft_prio->anchor.fg_goto_table = fg;
+
+out:
+	kvfree(flow_group_in);
+
+	return err;
+}
+
+static void
+steering_anchor_destroy_fg_goto_table(struct mlx5_ib_flow_prio *ft_prio)
+{
+	if (ft_prio->anchor.fg_goto_table) {
+		mlx5_destroy_flow_group(ft_prio->anchor.fg_goto_table);
+		ft_prio->anchor.fg_goto_table = NULL;
+	}
+}
+
+static int
+steering_anchor_create_rule_drop(struct mlx5_ib_flow_prio *ft_prio)
+{
+	struct mlx5_flow_act flow_act = {};
+	struct mlx5_flow_handle *handle;
+
+	if (ft_prio->anchor.rule_drop)
+		return 0;
+
+	flow_act.fg = ft_prio->anchor.fg_drop;
+	flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP;
+
+	handle = mlx5_add_flow_rules(ft_prio->anchor.ft, NULL, &flow_act,
+				     NULL, 0);
+	if (IS_ERR(handle))
+		return PTR_ERR(handle);
+
+	ft_prio->anchor.rule_drop = handle;
+
+	return 0;
+}
+
+static void steering_anchor_destroy_rule_drop(struct mlx5_ib_flow_prio *ft_prio)
+{
+	if (ft_prio->anchor.rule_drop) {
+		mlx5_del_flow_rules(ft_prio->anchor.rule_drop);
+		ft_prio->anchor.rule_drop = NULL;
+	}
+}
+
+static int
+steering_anchor_create_rule_goto_table(struct mlx5_ib_flow_prio *ft_prio)
+{
+	struct mlx5_flow_destination dest = {};
+	struct mlx5_flow_act flow_act = {};
+	struct mlx5_flow_handle *handle;
+
+	if (ft_prio->anchor.rule_goto_table)
+		return 0;
+
+	flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
+	flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL;
+	flow_act.fg = ft_prio->anchor.fg_goto_table;
+
+	dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+	dest.ft = ft_prio->flow_table;
+
+	handle = mlx5_add_flow_rules(ft_prio->anchor.ft, NULL, &flow_act,
+				     &dest, 1);
+	if (IS_ERR(handle))
+		return PTR_ERR(handle);
+
+	ft_prio->anchor.rule_goto_table = handle;
+
+	return 0;
+}
+
+static void
+steering_anchor_destroy_rule_goto_table(struct mlx5_ib_flow_prio *ft_prio)
+{
+	if (ft_prio->anchor.rule_goto_table) {
+		mlx5_del_flow_rules(ft_prio->anchor.rule_goto_table);
+		ft_prio->anchor.rule_goto_table = NULL;
+	}
+}
+
+static int steering_anchor_create_res(struct mlx5_ib_dev *dev,
+				      struct mlx5_ib_flow_prio *ft_prio,
+				      enum mlx5_flow_namespace_type ns_type)
+{
+	int err;
+
+	err = steering_anchor_create_ft(dev, ft_prio, ns_type);
+	if (err)
+		return err;
+
+	err = steering_anchor_create_fg_drop(ft_prio);
+	if (err)
+		goto destroy_ft;
+
+	err = steering_anchor_create_fg_goto_table(ft_prio);
+	if (err)
+		goto destroy_fg_drop;
+
+	err = steering_anchor_create_rule_drop(ft_prio);
+	if (err)
+		goto destroy_fg_goto_table;
+
+	err = steering_anchor_create_rule_goto_table(ft_prio);
+	if (err)
+		goto destroy_rule_drop;
+
+	return 0;
+
+destroy_rule_drop:
+	steering_anchor_destroy_rule_drop(ft_prio);
+destroy_fg_goto_table:
+	steering_anchor_destroy_fg_goto_table(ft_prio);
+destroy_fg_drop:
+	steering_anchor_destroy_fg_drop(ft_prio);
+destroy_ft:
+	steering_anchor_destroy_ft(ft_prio);
+
+	return err;
+}
+
+static void mlx5_steering_anchor_destroy_res(struct mlx5_ib_flow_prio *ft_prio)
+{
+	steering_anchor_destroy_rule_goto_table(ft_prio);
+	steering_anchor_destroy_rule_drop(ft_prio);
+	steering_anchor_destroy_fg_goto_table(ft_prio);
+	steering_anchor_destroy_fg_drop(ft_prio);
+	steering_anchor_destroy_ft(ft_prio);
+}
+
+static int steering_anchor_cleanup(struct ib_uobject *uobject,
+				   enum rdma_remove_reason why,
+				   struct uverbs_attr_bundle *attrs)
+{
+	struct mlx5_ib_steering_anchor *obj = uobject->object;
+
+	if (atomic_read(&obj->usecnt))
+		return -EBUSY;
+
+	mutex_lock(&obj->dev->flow_db->lock);
+	if (!--obj->ft_prio->anchor.rule_goto_table_ref)
+		steering_anchor_destroy_rule_goto_table(obj->ft_prio);
+
+	put_flow_table(obj->dev, obj->ft_prio, true);
+	mutex_unlock(&obj->dev->flow_db->lock);
+
+	kfree(obj);
+	return 0;
+}
+
+static void fs_cleanup_anchor(struct mlx5_ib_flow_prio *prio,
+			      int count)
+{
+	while (count--)
+		mlx5_steering_anchor_destroy_res(&prio[count]);
+}
+
+void mlx5_ib_fs_cleanup_anchor(struct mlx5_ib_dev *dev)
+{
+	fs_cleanup_anchor(dev->flow_db->prios, MLX5_IB_NUM_FLOW_FT);
+	fs_cleanup_anchor(dev->flow_db->egress_prios, MLX5_IB_NUM_FLOW_FT);
+	fs_cleanup_anchor(dev->flow_db->sniffer, MLX5_IB_NUM_SNIFFER_FTS);
+	fs_cleanup_anchor(dev->flow_db->egress, MLX5_IB_NUM_EGRESS_FTS);
+	fs_cleanup_anchor(dev->flow_db->fdb, MLX5_IB_NUM_FDB_FTS);
+	fs_cleanup_anchor(dev->flow_db->rdma_rx, MLX5_IB_NUM_FLOW_FT);
+	fs_cleanup_anchor(dev->flow_db->rdma_tx, MLX5_IB_NUM_FLOW_FT);
+}
+
+static int mlx5_ib_matcher_ns(struct uverbs_attr_bundle *attrs,
+			      struct mlx5_ib_flow_matcher *obj)
+{
+	enum mlx5_ib_uapi_flow_table_type ft_type =
+		MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX;
+	u32 flags;
+	int err;
+
+	/* New users should use MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE and older
+	 * users should switch to it. We leave this to not break userspace
+	 */
+	if (uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE) &&
+	    uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS))
+		return -EINVAL;
+
+	if (uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE)) {
+		err = uverbs_get_const(&ft_type, attrs,
+				       MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE);
+		if (err)
+			return err;
+
+		err = mlx5_ib_ft_type_to_namespace(ft_type, &obj->ns_type);
+		if (err)
+			return err;
+
+		return 0;
+	}
+
+	if (uverbs_attr_is_valid(attrs, MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS)) {
+		err = uverbs_get_flags32(&flags, attrs,
+					 MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
+					 IB_FLOW_ATTR_FLAGS_EGRESS);
+		if (err)
+			return err;
+
+		if (flags)
+			return mlx5_ib_ft_type_to_namespace(
+				MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX,
+				&obj->ns_type);
+	}
+
+	obj->ns_type = MLX5_FLOW_NAMESPACE_BYPASS;
+
+	return 0;
+}
+
+static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_MATCHER_CREATE)(
+	struct uverbs_attr_bundle *attrs)
+{
+	struct ib_uobject *uobj = uverbs_attr_get_uobject(
+		attrs, MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE);
+	struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
+	struct mlx5_ib_flow_matcher *obj;
+	int err;
+
+	obj = kzalloc(sizeof(struct mlx5_ib_flow_matcher), GFP_KERNEL);
+	if (!obj)
+		return -ENOMEM;
+
+	obj->mask_len = uverbs_attr_get_len(
+		attrs, MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK);
+	err = uverbs_copy_from(&obj->matcher_mask,
+			       attrs,
+			       MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK);
+	if (err)
+		goto end;
+
+	obj->flow_type = uverbs_attr_get_enum_id(
+		attrs, MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE);
+
+	if (obj->flow_type == MLX5_IB_FLOW_TYPE_NORMAL) {
+		err = uverbs_copy_from(&obj->priority,
+				       attrs,
+				       MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE);
+		if (err)
+			goto end;
+	}
+
+	err = uverbs_copy_from(&obj->match_criteria_enable,
+			       attrs,
+			       MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA);
+	if (err)
+		goto end;
+
+	err = mlx5_ib_matcher_ns(attrs, obj);
+	if (err)
+		goto end;
+
+	if (obj->ns_type == MLX5_FLOW_NAMESPACE_FDB_BYPASS &&
+	    mlx5_eswitch_mode(dev->mdev) != MLX5_ESWITCH_OFFLOADS) {
+		err = -EINVAL;
+		goto end;
+	}
+
+	uobj->object = obj;
+	obj->mdev = dev->mdev;
+	atomic_set(&obj->usecnt, 0);
+	return 0;
+
+end:
+	kfree(obj);
+	return err;
+}
+
+static int UVERBS_HANDLER(MLX5_IB_METHOD_STEERING_ANCHOR_CREATE)(
+	struct uverbs_attr_bundle *attrs)
+{
+	struct ib_uobject *uobj = uverbs_attr_get_uobject(
+		attrs, MLX5_IB_ATTR_STEERING_ANCHOR_CREATE_HANDLE);
+	struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata);
+	enum mlx5_ib_uapi_flow_table_type ib_uapi_ft_type;
+	enum mlx5_flow_namespace_type ns_type;
+	struct mlx5_ib_steering_anchor *obj;
+	struct mlx5_ib_flow_prio *ft_prio;
+	u16 priority;
+	u32 ft_id;
+	int err;
+
+	if (!capable(CAP_NET_RAW))
+		return -EPERM;
+
+	err = uverbs_get_const(&ib_uapi_ft_type, attrs,
+			       MLX5_IB_ATTR_STEERING_ANCHOR_FT_TYPE);
+	if (err)
+		return err;
+
+	err = mlx5_ib_ft_type_to_namespace(ib_uapi_ft_type, &ns_type);
+	if (err)
+		return err;
+
+	err = uverbs_copy_from(&priority, attrs,
+			       MLX5_IB_ATTR_STEERING_ANCHOR_PRIORITY);
+	if (err)
+		return err;
+
+	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
+	if (!obj)
+		return -ENOMEM;
+
+	mutex_lock(&dev->flow_db->lock);
+
+	ft_prio = _get_flow_table(dev, priority, ns_type, 0);
+	if (IS_ERR(ft_prio)) {
+		err = PTR_ERR(ft_prio);
+		goto free_obj;
+	}
+
+	ft_prio->refcount++;
+
+	if (!ft_prio->anchor.rule_goto_table_ref) {
+		err = steering_anchor_create_res(dev, ft_prio, ns_type);
+		if (err)
+			goto put_flow_table;
+	}
+
+	ft_prio->anchor.rule_goto_table_ref++;
+
+	ft_id = mlx5_flow_table_id(ft_prio->anchor.ft);
+
+	err = uverbs_copy_to(attrs, MLX5_IB_ATTR_STEERING_ANCHOR_FT_ID,
+			     &ft_id, sizeof(ft_id));
+	if (err)
+		goto destroy_res;
+
+	mutex_unlock(&dev->flow_db->lock);
+
+	uobj->object = obj;
+	obj->dev = dev;
+	obj->ft_prio = ft_prio;
+	atomic_set(&obj->usecnt, 0);
+
+	return 0;
+
+destroy_res:
+	--ft_prio->anchor.rule_goto_table_ref;
+	mlx5_steering_anchor_destroy_res(ft_prio);
+put_flow_table:
+	put_flow_table(dev, ft_prio, true);
+free_obj:
+	mutex_unlock(&dev->flow_db->lock);
+	kfree(obj);
+
+	return err;
+}
+
+static struct ib_flow_action *
+mlx5_ib_create_modify_header(struct mlx5_ib_dev *dev,
+			     enum mlx5_ib_uapi_flow_table_type ft_type,
+			     u8 num_actions, void *in)
+{
+	enum mlx5_flow_namespace_type namespace;
+	struct mlx5_ib_flow_action *maction;
+	int ret;
+
+	ret = mlx5_ib_ft_type_to_namespace(ft_type, &namespace);
+	if (ret)
+		return ERR_PTR(-EINVAL);
+
+	maction = kzalloc(sizeof(*maction), GFP_KERNEL);
+	if (!maction)
+		return ERR_PTR(-ENOMEM);
+
+	maction->flow_action_raw.modify_hdr =
+		mlx5_modify_header_alloc(dev->mdev, namespace, num_actions, in);
+
+	if (IS_ERR(maction->flow_action_raw.modify_hdr)) {
+		ret = PTR_ERR(maction->flow_action_raw.modify_hdr);
+		kfree(maction);
+		return ERR_PTR(ret);
+	}
+	maction->flow_action_raw.sub_type =
+		MLX5_IB_FLOW_ACTION_MODIFY_HEADER;
+	maction->flow_action_raw.dev = dev;
+
+	return &maction->ib_action;
+}
+
+static bool mlx5_ib_modify_header_supported(struct mlx5_ib_dev *dev)
+{
+	return MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
+					 max_modify_header_actions) ||
+	       MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,
+					 max_modify_header_actions) ||
+	       MLX5_CAP_FLOWTABLE_RDMA_TX(dev->mdev,
+					 max_modify_header_actions);
+}
+
+static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
+	struct uverbs_attr_bundle *attrs)
+{
+	struct ib_uobject *uobj = uverbs_attr_get_uobject(
+		attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE);
+	struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
+	enum mlx5_ib_uapi_flow_table_type ft_type;
+	struct ib_flow_action *action;
+	int num_actions;
+	void *in;
+	int ret;
+
+	if (!mlx5_ib_modify_header_supported(mdev))
+		return -EOPNOTSUPP;
+
+	in = uverbs_attr_get_alloced_ptr(attrs,
+		MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM);
+
+	num_actions = uverbs_attr_ptr_get_array_size(
+		attrs, MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
+		MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto));
+	if (num_actions < 0)
+		return num_actions;
+
+	ret = uverbs_get_const(&ft_type, attrs,
+			       MLX5_IB_ATTR_CREATE_MODIFY_HEADER_FT_TYPE);
+	if (ret)
+		return ret;
+	action = mlx5_ib_create_modify_header(mdev, ft_type, num_actions, in);
+	if (IS_ERR(action))
+		return PTR_ERR(action);
+
+	uverbs_flow_action_fill_action(action, uobj, &mdev->ib_dev,
+				       IB_FLOW_ACTION_UNSPECIFIED);
+
+	return 0;
+}
+
+static bool mlx5_ib_flow_action_packet_reformat_valid(struct mlx5_ib_dev *ibdev,
+						      u8 packet_reformat_type,
+						      u8 ft_type)
+{
+	switch (packet_reformat_type) {
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL:
+		if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX)
+			return MLX5_CAP_FLOWTABLE(ibdev->mdev,
+						  encap_general_header);
+		break;
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL:
+		if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_TX)
+			return MLX5_CAP_FLOWTABLE_NIC_TX(ibdev->mdev,
+				reformat_l2_to_l3_tunnel);
+		break;
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2:
+		if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX)
+			return MLX5_CAP_FLOWTABLE_NIC_RX(ibdev->mdev,
+				reformat_l3_tunnel_to_l2);
+		break;
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2:
+		if (ft_type == MLX5_IB_UAPI_FLOW_TABLE_TYPE_NIC_RX)
+			return MLX5_CAP_FLOWTABLE_NIC_RX(ibdev->mdev, decap);
+		break;
+	default:
+		break;
+	}
+
+	return false;
+}
+
+static int mlx5_ib_dv_to_prm_packet_reforamt_type(u8 dv_prt, u8 *prm_prt)
+{
+	switch (dv_prt) {
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L2_TUNNEL:
+		*prm_prt = MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL;
+		break;
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L3_TUNNEL_TO_L2:
+		*prm_prt = MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2;
+		break;
+	case MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TO_L3_TUNNEL:
+		*prm_prt = MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int mlx5_ib_flow_action_create_packet_reformat_ctx(
+	struct mlx5_ib_dev *dev,
+	struct mlx5_ib_flow_action *maction,
+	u8 ft_type, u8 dv_prt,
+	void *in, size_t len)
+{
+	struct mlx5_pkt_reformat_params reformat_params;
+	enum mlx5_flow_namespace_type namespace;
+	u8 prm_prt;
+	int ret;
+
+	ret = mlx5_ib_ft_type_to_namespace(ft_type, &namespace);
+	if (ret)
+		return ret;
+
+	ret = mlx5_ib_dv_to_prm_packet_reforamt_type(dv_prt, &prm_prt);
+	if (ret)
+		return ret;
+
+	memset(&reformat_params, 0, sizeof(reformat_params));
+	reformat_params.type = prm_prt;
+	reformat_params.size = len;
+	reformat_params.data = in;
+	maction->flow_action_raw.pkt_reformat =
+		mlx5_packet_reformat_alloc(dev->mdev, &reformat_params,
+					   namespace);
+	if (IS_ERR(maction->flow_action_raw.pkt_reformat)) {
+		ret = PTR_ERR(maction->flow_action_raw.pkt_reformat);
+		return ret;
+	}
+
+	maction->flow_action_raw.sub_type =
+		MLX5_IB_FLOW_ACTION_PACKET_REFORMAT;
+	maction->flow_action_raw.dev = dev;
+
+	return 0;
+}
+
+static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT)(
+	struct uverbs_attr_bundle *attrs)
+{
+	struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs,
+		MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE);
+	struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata);
+	enum mlx5_ib_uapi_flow_action_packet_reformat_type dv_prt;
+	enum mlx5_ib_uapi_flow_table_type ft_type;
+	struct mlx5_ib_flow_action *maction;
+	int ret;
+
+	ret = uverbs_get_const(&ft_type, attrs,
+			       MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_FT_TYPE);
+	if (ret)
+		return ret;
+
+	ret = uverbs_get_const(&dv_prt, attrs,
+			       MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_TYPE);
+	if (ret)
+		return ret;
+
+	if (!mlx5_ib_flow_action_packet_reformat_valid(mdev, dv_prt, ft_type))
+		return -EOPNOTSUPP;
+
+	maction = kzalloc(sizeof(*maction), GFP_KERNEL);
+	if (!maction)
+		return -ENOMEM;
+
+	if (dv_prt ==
+	    MLX5_IB_UAPI_FLOW_ACTION_PACKET_REFORMAT_TYPE_L2_TUNNEL_TO_L2) {
+		maction->flow_action_raw.sub_type =
+			MLX5_IB_FLOW_ACTION_DECAP;
+		maction->flow_action_raw.dev = mdev;
+	} else {
+		void *in;
+		int len;
+
+		in = uverbs_attr_get_alloced_ptr(attrs,
+			MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF);
+		if (IS_ERR(in)) {
+			ret = PTR_ERR(in);
+			goto free_maction;
+		}
+
+		len = uverbs_attr_get_len(attrs,
+			MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF);
+
+		ret = mlx5_ib_flow_action_create_packet_reformat_ctx(mdev,
+			maction, ft_type, dv_prt, in, len);
+		if (ret)
+			goto free_maction;
+	}
+
+	uverbs_flow_action_fill_action(&maction->ib_action, uobj, &mdev->ib_dev,
+				       IB_FLOW_ACTION_UNSPECIFIED);
+	return 0;
+
+free_maction:
+	kfree(maction);
+	return ret;
+}
+
+DECLARE_UVERBS_NAMED_METHOD(
+	MLX5_IB_METHOD_CREATE_FLOW,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_HANDLE,
+			UVERBS_OBJECT_FLOW,
+			UVERBS_ACCESS_NEW,
+			UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(
+		MLX5_IB_ATTR_CREATE_FLOW_MATCH_VALUE,
+		UVERBS_ATTR_SIZE(1, sizeof(struct mlx5_ib_match_params)),
+		UA_MANDATORY,
+		UA_ALLOC_AND_COPY),
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_MATCHER,
+			MLX5_IB_OBJECT_FLOW_MATCHER,
+			UVERBS_ACCESS_READ,
+			UA_MANDATORY),
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_DEST_QP,
+			UVERBS_OBJECT_QP,
+			UVERBS_ACCESS_READ),
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_DEST_DEVX,
+			MLX5_IB_OBJECT_DEVX_OBJ,
+			UVERBS_ACCESS_READ),
+	UVERBS_ATTR_IDRS_ARR(MLX5_IB_ATTR_CREATE_FLOW_ARR_FLOW_ACTIONS,
+			     UVERBS_OBJECT_FLOW_ACTION,
+			     UVERBS_ACCESS_READ, 1,
+			     MLX5_IB_CREATE_FLOW_MAX_FLOW_ACTIONS,
+			     UA_OPTIONAL),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_FLOW_TAG,
+			   UVERBS_ATTR_TYPE(u32),
+			   UA_OPTIONAL),
+	UVERBS_ATTR_IDRS_ARR(MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX,
+			     MLX5_IB_OBJECT_DEVX_OBJ,
+			     UVERBS_ACCESS_READ, 1, 1,
+			     UA_OPTIONAL),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX_OFFSET,
+			   UVERBS_ATTR_MIN_SIZE(sizeof(u32)),
+			   UA_OPTIONAL,
+			   UA_ALLOC_AND_COPY),
+	UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_CREATE_FLOW_FLAGS,
+			     enum mlx5_ib_create_flow_flags,
+			     UA_OPTIONAL));
+
+DECLARE_UVERBS_NAMED_METHOD_DESTROY(
+	MLX5_IB_METHOD_DESTROY_FLOW,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_FLOW_HANDLE,
+			UVERBS_OBJECT_FLOW,
+			UVERBS_ACCESS_DESTROY,
+			UA_MANDATORY));
+
+ADD_UVERBS_METHODS(mlx5_ib_fs,
+		   UVERBS_OBJECT_FLOW,
+		   &UVERBS_METHOD(MLX5_IB_METHOD_CREATE_FLOW),
+		   &UVERBS_METHOD(MLX5_IB_METHOD_DESTROY_FLOW));
+
+DECLARE_UVERBS_NAMED_METHOD(
+	MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_HANDLE,
+			UVERBS_OBJECT_FLOW_ACTION,
+			UVERBS_ACCESS_NEW,
+			UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_ACTIONS_PRM,
+			   UVERBS_ATTR_MIN_SIZE(MLX5_UN_SZ_BYTES(
+				   set_add_copy_action_in_auto)),
+			   UA_MANDATORY,
+			   UA_ALLOC_AND_COPY),
+	UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_MODIFY_HEADER_FT_TYPE,
+			     enum mlx5_ib_uapi_flow_table_type,
+			     UA_MANDATORY));
+
+DECLARE_UVERBS_NAMED_METHOD(
+	MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_HANDLE,
+			UVERBS_OBJECT_FLOW_ACTION,
+			UVERBS_ACCESS_NEW,
+			UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_DATA_BUF,
+			   UVERBS_ATTR_MIN_SIZE(1),
+			   UA_ALLOC_AND_COPY,
+			   UA_OPTIONAL),
+	UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_TYPE,
+			     enum mlx5_ib_uapi_flow_action_packet_reformat_type,
+			     UA_MANDATORY),
+	UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_CREATE_PACKET_REFORMAT_FT_TYPE,
+			     enum mlx5_ib_uapi_flow_table_type,
+			     UA_MANDATORY));
+
+ADD_UVERBS_METHODS(
+	mlx5_ib_flow_actions,
+	UVERBS_OBJECT_FLOW_ACTION,
+	&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER),
+	&UVERBS_METHOD(MLX5_IB_METHOD_FLOW_ACTION_CREATE_PACKET_REFORMAT));
+
+DECLARE_UVERBS_NAMED_METHOD(
+	MLX5_IB_METHOD_FLOW_MATCHER_CREATE,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_FLOW_MATCHER_CREATE_HANDLE,
+			MLX5_IB_OBJECT_FLOW_MATCHER,
+			UVERBS_ACCESS_NEW,
+			UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(
+		MLX5_IB_ATTR_FLOW_MATCHER_MATCH_MASK,
+		UVERBS_ATTR_SIZE(1, sizeof(struct mlx5_ib_match_params)),
+		UA_MANDATORY),
+	UVERBS_ATTR_ENUM_IN(MLX5_IB_ATTR_FLOW_MATCHER_FLOW_TYPE,
+			    mlx5_ib_flow_type,
+			    UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_FLOW_MATCHER_MATCH_CRITERIA,
+			   UVERBS_ATTR_TYPE(u8),
+			   UA_MANDATORY),
+	UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_FLOW_MATCHER_FLOW_FLAGS,
+			     enum ib_flow_flags,
+			     UA_OPTIONAL),
+	UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_FLOW_MATCHER_FT_TYPE,
+			     enum mlx5_ib_uapi_flow_table_type,
+			     UA_OPTIONAL));
+
+DECLARE_UVERBS_NAMED_METHOD_DESTROY(
+	MLX5_IB_METHOD_FLOW_MATCHER_DESTROY,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_FLOW_MATCHER_DESTROY_HANDLE,
+			MLX5_IB_OBJECT_FLOW_MATCHER,
+			UVERBS_ACCESS_DESTROY,
+			UA_MANDATORY));
+
+DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_FLOW_MATCHER,
+			    UVERBS_TYPE_ALLOC_IDR(flow_matcher_cleanup),
+			    &UVERBS_METHOD(MLX5_IB_METHOD_FLOW_MATCHER_CREATE),
+			    &UVERBS_METHOD(MLX5_IB_METHOD_FLOW_MATCHER_DESTROY));
+
+DECLARE_UVERBS_NAMED_METHOD(
+	MLX5_IB_METHOD_STEERING_ANCHOR_CREATE,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_STEERING_ANCHOR_CREATE_HANDLE,
+			MLX5_IB_OBJECT_STEERING_ANCHOR,
+			UVERBS_ACCESS_NEW,
+			UA_MANDATORY),
+	UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_STEERING_ANCHOR_FT_TYPE,
+			     enum mlx5_ib_uapi_flow_table_type,
+			     UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_STEERING_ANCHOR_PRIORITY,
+			   UVERBS_ATTR_TYPE(u16),
+			   UA_MANDATORY),
+	UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_STEERING_ANCHOR_FT_ID,
+			   UVERBS_ATTR_TYPE(u32),
+			   UA_MANDATORY));
+
+DECLARE_UVERBS_NAMED_METHOD_DESTROY(
+	MLX5_IB_METHOD_STEERING_ANCHOR_DESTROY,
+	UVERBS_ATTR_IDR(MLX5_IB_ATTR_STEERING_ANCHOR_DESTROY_HANDLE,
+			MLX5_IB_OBJECT_STEERING_ANCHOR,
+			UVERBS_ACCESS_DESTROY,
+			UA_MANDATORY));
+
+DECLARE_UVERBS_NAMED_OBJECT(
+	MLX5_IB_OBJECT_STEERING_ANCHOR,
+	UVERBS_TYPE_ALLOC_IDR(steering_anchor_cleanup),
+	&UVERBS_METHOD(MLX5_IB_METHOD_STEERING_ANCHOR_CREATE),
+	&UVERBS_METHOD(MLX5_IB_METHOD_STEERING_ANCHOR_DESTROY));
+
+const struct uapi_definition mlx5_ib_flow_defs[] = {
+	UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
+		MLX5_IB_OBJECT_FLOW_MATCHER),
+	UAPI_DEF_CHAIN_OBJ_TREE(
+		UVERBS_OBJECT_FLOW,
+		&mlx5_ib_fs),
+	UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_FLOW_ACTION,
+				&mlx5_ib_flow_actions),
+	UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
+		MLX5_IB_OBJECT_STEERING_ANCHOR,
+		UAPI_DEF_IS_OBJ_SUPPORTED(mlx5_ib_shared_ft_allowed)),
+	{},
+};
+
+static const struct ib_device_ops flow_ops = {
+	.create_flow = mlx5_ib_create_flow,
+	.destroy_flow = mlx5_ib_destroy_flow,
+	.destroy_flow_action = mlx5_ib_destroy_flow_action,
+};
+
+int mlx5_ib_fs_init(struct mlx5_ib_dev *dev)
+{
+	dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL);
+
+	if (!dev->flow_db)
+		return -ENOMEM;
+
+	mutex_init(&dev->flow_db->lock);
+
+	ib_set_device_ops(&dev->ib_dev, &flow_ops);
+	return 0;
+}