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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2019, Mellanox Technologies */

#ifndef	_DR_TYPES_
#define	_DR_TYPES_

#include <linux/mlx5/driver.h>
#include <linux/refcount.h>
#include "fs_core.h"
#include "wq.h"
#include "lib/mlx5.h"
#include "mlx5_ifc_dr.h"
#include "mlx5dr.h"

#define DR_RULE_MAX_STES 17
#define DR_ACTION_MAX_STES 5
#define WIRE_PORT 0xFFFF
#define DR_STE_SVLAN 0x1
#define DR_STE_CVLAN 0x2

#define mlx5dr_err(dmn, arg...) mlx5_core_err((dmn)->mdev, ##arg)
#define mlx5dr_info(dmn, arg...) mlx5_core_info((dmn)->mdev, ##arg)
#define mlx5dr_dbg(dmn, arg...) mlx5_core_dbg((dmn)->mdev, ##arg)

enum mlx5dr_icm_chunk_size {
	DR_CHUNK_SIZE_1,
	DR_CHUNK_SIZE_MIN = DR_CHUNK_SIZE_1, /* keep updated when changing */
	DR_CHUNK_SIZE_2,
	DR_CHUNK_SIZE_4,
	DR_CHUNK_SIZE_8,
	DR_CHUNK_SIZE_16,
	DR_CHUNK_SIZE_32,
	DR_CHUNK_SIZE_64,
	DR_CHUNK_SIZE_128,
	DR_CHUNK_SIZE_256,
	DR_CHUNK_SIZE_512,
	DR_CHUNK_SIZE_1K,
	DR_CHUNK_SIZE_2K,
	DR_CHUNK_SIZE_4K,
	DR_CHUNK_SIZE_8K,
	DR_CHUNK_SIZE_16K,
	DR_CHUNK_SIZE_32K,
	DR_CHUNK_SIZE_64K,
	DR_CHUNK_SIZE_128K,
	DR_CHUNK_SIZE_256K,
	DR_CHUNK_SIZE_512K,
	DR_CHUNK_SIZE_1024K,
	DR_CHUNK_SIZE_2048K,
	DR_CHUNK_SIZE_MAX,
};

enum mlx5dr_icm_type {
	DR_ICM_TYPE_STE,
	DR_ICM_TYPE_MODIFY_ACTION,
};

static inline enum mlx5dr_icm_chunk_size
mlx5dr_icm_next_higher_chunk(enum mlx5dr_icm_chunk_size chunk)
{
	chunk += 2;
	if (chunk < DR_CHUNK_SIZE_MAX)
		return chunk;

	return DR_CHUNK_SIZE_MAX;
}

enum {
	DR_STE_SIZE = 64,
	DR_STE_SIZE_CTRL = 32,
	DR_STE_SIZE_TAG = 16,
	DR_STE_SIZE_MASK = 16,
};

enum {
	DR_STE_SIZE_REDUCED = DR_STE_SIZE - DR_STE_SIZE_MASK,
};

enum {
	DR_MODIFY_ACTION_SIZE = 8,
};

enum mlx5dr_matcher_criteria {
	DR_MATCHER_CRITERIA_EMPTY = 0,
	DR_MATCHER_CRITERIA_OUTER = 1 << 0,
	DR_MATCHER_CRITERIA_MISC = 1 << 1,
	DR_MATCHER_CRITERIA_INNER = 1 << 2,
	DR_MATCHER_CRITERIA_MISC2 = 1 << 3,
	DR_MATCHER_CRITERIA_MISC3 = 1 << 4,
	DR_MATCHER_CRITERIA_MAX = 1 << 5,
};

enum mlx5dr_action_type {
	DR_ACTION_TYP_TNL_L2_TO_L2,
	DR_ACTION_TYP_L2_TO_TNL_L2,
	DR_ACTION_TYP_TNL_L3_TO_L2,
	DR_ACTION_TYP_L2_TO_TNL_L3,
	DR_ACTION_TYP_DROP,
	DR_ACTION_TYP_QP,
	DR_ACTION_TYP_FT,
	DR_ACTION_TYP_CTR,
	DR_ACTION_TYP_TAG,
	DR_ACTION_TYP_MODIFY_HDR,
	DR_ACTION_TYP_VPORT,
	DR_ACTION_TYP_POP_VLAN,
	DR_ACTION_TYP_PUSH_VLAN,
	DR_ACTION_TYP_MAX,
};

enum mlx5dr_ipv {
	DR_RULE_IPV4,
	DR_RULE_IPV6,
	DR_RULE_IPV_MAX,
};

struct mlx5dr_icm_pool;
struct mlx5dr_icm_chunk;
struct mlx5dr_icm_bucket;
struct mlx5dr_ste_htbl;
struct mlx5dr_match_param;
struct mlx5dr_cmd_caps;
struct mlx5dr_matcher_rx_tx;

struct mlx5dr_ste {
	u8 *hw_ste;
	/* refcount: indicates the num of rules that using this ste */
	u32 refcount;

	/* attached to the miss_list head at each htbl entry */
	struct list_head miss_list_node;

	/* each rule member that uses this ste attached here */
	struct list_head rule_list;

	/* this ste is member of htbl */
	struct mlx5dr_ste_htbl *htbl;

	struct mlx5dr_ste_htbl *next_htbl;

	/* this ste is part of a rule, located in ste's chain */
	u8 ste_chain_location;
};

struct mlx5dr_ste_htbl_ctrl {
	/* total number of valid entries belonging to this hash table. This
	 * includes the non collision and collision entries
	 */
	unsigned int num_of_valid_entries;

	/* total number of collisions entries attached to this table */
	unsigned int num_of_collisions;
	unsigned int increase_threshold;
	u8 may_grow:1;
};

struct mlx5dr_ste_htbl {
	u8 lu_type;
	u16 byte_mask;
	u32 refcount;
	struct mlx5dr_icm_chunk *chunk;
	struct mlx5dr_ste *ste_arr;
	u8 *hw_ste_arr;

	struct list_head *miss_list;

	enum mlx5dr_icm_chunk_size chunk_size;
	struct mlx5dr_ste *pointing_ste;

	struct mlx5dr_ste_htbl_ctrl ctrl;
};

struct mlx5dr_ste_send_info {
	struct mlx5dr_ste *ste;
	struct list_head send_list;
	u16 size;
	u16 offset;
	u8 data_cont[DR_STE_SIZE];
	u8 *data;
};

void mlx5dr_send_fill_and_append_ste_send_info(struct mlx5dr_ste *ste, u16 size,
					       u16 offset, u8 *data,
					       struct mlx5dr_ste_send_info *ste_info,
					       struct list_head *send_list,
					       bool copy_data);

struct mlx5dr_ste_build {
	u8 inner:1;
	u8 rx:1;
	u8 vhca_id_valid:1;
	struct mlx5dr_domain *dmn;
	struct mlx5dr_cmd_caps *caps;
	u8 lu_type;
	u16 byte_mask;
	u8 bit_mask[DR_STE_SIZE_MASK];
	int (*ste_build_tag_func)(struct mlx5dr_match_param *spec,
				  struct mlx5dr_ste_build *sb,
				  u8 *hw_ste_p);
};

struct mlx5dr_ste_htbl *
mlx5dr_ste_htbl_alloc(struct mlx5dr_icm_pool *pool,
		      enum mlx5dr_icm_chunk_size chunk_size,
		      u8 lu_type, u16 byte_mask);

int mlx5dr_ste_htbl_free(struct mlx5dr_ste_htbl *htbl);

static inline void mlx5dr_htbl_put(struct mlx5dr_ste_htbl *htbl)
{
	htbl->refcount--;
	if (!htbl->refcount)
		mlx5dr_ste_htbl_free(htbl);
}

static inline void mlx5dr_htbl_get(struct mlx5dr_ste_htbl *htbl)
{
	htbl->refcount++;
}

/* STE utils */
u32 mlx5dr_ste_calc_hash_index(u8 *hw_ste_p, struct mlx5dr_ste_htbl *htbl);
void mlx5dr_ste_init(u8 *hw_ste_p, u8 lu_type, u8 entry_type, u16 gvmi);
void mlx5dr_ste_always_hit_htbl(struct mlx5dr_ste *ste,
				struct mlx5dr_ste_htbl *next_htbl);
void mlx5dr_ste_set_miss_addr(u8 *hw_ste, u64 miss_addr);
u64 mlx5dr_ste_get_miss_addr(u8 *hw_ste);
void mlx5dr_ste_set_hit_gvmi(u8 *hw_ste_p, u16 gvmi);
void mlx5dr_ste_set_hit_addr(u8 *hw_ste, u64 icm_addr, u32 ht_size);
void mlx5dr_ste_always_miss_addr(struct mlx5dr_ste *ste, u64 miss_addr);
void mlx5dr_ste_set_bit_mask(u8 *hw_ste_p, u8 *bit_mask);
bool mlx5dr_ste_not_used_ste(struct mlx5dr_ste *ste);
bool mlx5dr_ste_is_last_in_rule(struct mlx5dr_matcher_rx_tx *nic_matcher,
				u8 ste_location);
void mlx5dr_ste_rx_set_flow_tag(u8 *hw_ste_p, u32 flow_tag);
void mlx5dr_ste_set_counter_id(u8 *hw_ste_p, u32 ctr_id);
void mlx5dr_ste_set_tx_encap(void *hw_ste_p, u32 reformat_id,
			     int size, bool encap_l3);
void mlx5dr_ste_set_rx_decap(u8 *hw_ste_p);
void mlx5dr_ste_set_rx_decap_l3(u8 *hw_ste_p, bool vlan);
void mlx5dr_ste_set_rx_pop_vlan(u8 *hw_ste_p);
void mlx5dr_ste_set_tx_push_vlan(u8 *hw_ste_p, u32 vlan_tpid_pcp_dei_vid,
				 bool go_back);
void mlx5dr_ste_set_entry_type(u8 *hw_ste_p, u8 entry_type);
u8 mlx5dr_ste_get_entry_type(u8 *hw_ste_p);
void mlx5dr_ste_set_rewrite_actions(u8 *hw_ste_p, u16 num_of_actions,
				    u32 re_write_index);
void mlx5dr_ste_set_go_back_bit(u8 *hw_ste_p);
u64 mlx5dr_ste_get_icm_addr(struct mlx5dr_ste *ste);
u64 mlx5dr_ste_get_mr_addr(struct mlx5dr_ste *ste);
struct list_head *mlx5dr_ste_get_miss_list(struct mlx5dr_ste *ste);

void mlx5dr_ste_free(struct mlx5dr_ste *ste,
		     struct mlx5dr_matcher *matcher,
		     struct mlx5dr_matcher_rx_tx *nic_matcher);
static inline void mlx5dr_ste_put(struct mlx5dr_ste *ste,
				  struct mlx5dr_matcher *matcher,
				  struct mlx5dr_matcher_rx_tx *nic_matcher)
{
	ste->refcount--;
	if (!ste->refcount)
		mlx5dr_ste_free(ste, matcher, nic_matcher);
}

/* initial as 0, increased only when ste appears in a new rule */
static inline void mlx5dr_ste_get(struct mlx5dr_ste *ste)
{
	ste->refcount++;
}

void mlx5dr_ste_set_hit_addr_by_next_htbl(u8 *hw_ste,
					  struct mlx5dr_ste_htbl *next_htbl);
bool mlx5dr_ste_equal_tag(void *src, void *dst);
int mlx5dr_ste_create_next_htbl(struct mlx5dr_matcher *matcher,
				struct mlx5dr_matcher_rx_tx *nic_matcher,
				struct mlx5dr_ste *ste,
				u8 *cur_hw_ste,
				enum mlx5dr_icm_chunk_size log_table_size);

/* STE build functions */
int mlx5dr_ste_build_pre_check(struct mlx5dr_domain *dmn,
			       u8 match_criteria,
			       struct mlx5dr_match_param *mask,
			       struct mlx5dr_match_param *value);
int mlx5dr_ste_build_ste_arr(struct mlx5dr_matcher *matcher,
			     struct mlx5dr_matcher_rx_tx *nic_matcher,
			     struct mlx5dr_match_param *value,
			     u8 *ste_arr);
int mlx5dr_ste_build_eth_l2_src_des(struct mlx5dr_ste_build *builder,
				    struct mlx5dr_match_param *mask,
				    bool inner, bool rx);
void mlx5dr_ste_build_eth_l3_ipv4_5_tuple(struct mlx5dr_ste_build *sb,
					  struct mlx5dr_match_param *mask,
					  bool inner, bool rx);
void mlx5dr_ste_build_eth_l3_ipv4_misc(struct mlx5dr_ste_build *sb,
				       struct mlx5dr_match_param *mask,
				       bool inner, bool rx);
void mlx5dr_ste_build_eth_l3_ipv6_dst(struct mlx5dr_ste_build *sb,
				      struct mlx5dr_match_param *mask,
				      bool inner, bool rx);
void mlx5dr_ste_build_eth_l3_ipv6_src(struct mlx5dr_ste_build *sb,
				      struct mlx5dr_match_param *mask,
				      bool inner, bool rx);
void mlx5dr_ste_build_eth_l2_src(struct mlx5dr_ste_build *sb,
				 struct mlx5dr_match_param *mask,
				 bool inner, bool rx);
void mlx5dr_ste_build_eth_l2_dst(struct mlx5dr_ste_build *sb,
				 struct mlx5dr_match_param *mask,
				 bool inner, bool rx);
void mlx5dr_ste_build_eth_l2_tnl(struct mlx5dr_ste_build *sb,
				 struct mlx5dr_match_param *mask,
				 bool inner, bool rx);
void mlx5dr_ste_build_ipv6_l3_l4(struct mlx5dr_ste_build *sb,
				 struct mlx5dr_match_param *mask,
				 bool inner, bool rx);
void mlx5dr_ste_build_eth_l4_misc(struct mlx5dr_ste_build *sb,
				  struct mlx5dr_match_param *mask,
				  bool inner, bool rx);
void mlx5dr_ste_build_gre(struct mlx5dr_ste_build *sb,
			  struct mlx5dr_match_param *mask,
			  bool inner, bool rx);
void mlx5dr_ste_build_mpls(struct mlx5dr_ste_build *sb,
			   struct mlx5dr_match_param *mask,
			   bool inner, bool rx);
void mlx5dr_ste_build_flex_parser_0(struct mlx5dr_ste_build *sb,
				    struct mlx5dr_match_param *mask,
				    bool inner, bool rx);
int mlx5dr_ste_build_flex_parser_1(struct mlx5dr_ste_build *sb,
				   struct mlx5dr_match_param *mask,
				   struct mlx5dr_cmd_caps *caps,
				   bool inner, bool rx);
void mlx5dr_ste_build_flex_parser_tnl_vxlan_gpe(struct mlx5dr_ste_build *sb,
						struct mlx5dr_match_param *mask,
						bool inner, bool rx);
void mlx5dr_ste_build_flex_parser_tnl_geneve(struct mlx5dr_ste_build *sb,
					     struct mlx5dr_match_param *mask,
					     bool inner, bool rx);
void mlx5dr_ste_build_general_purpose(struct mlx5dr_ste_build *sb,
				      struct mlx5dr_match_param *mask,
				      bool inner, bool rx);
void mlx5dr_ste_build_register_0(struct mlx5dr_ste_build *sb,
				 struct mlx5dr_match_param *mask,
				 bool inner, bool rx);
void mlx5dr_ste_build_register_1(struct mlx5dr_ste_build *sb,
				 struct mlx5dr_match_param *mask,
				 bool inner, bool rx);
int mlx5dr_ste_build_src_gvmi_qpn(struct mlx5dr_ste_build *sb,
				  struct mlx5dr_match_param *mask,
				  struct mlx5dr_domain *dmn,
				  bool inner, bool rx);
void mlx5dr_ste_build_empty_always_hit(struct mlx5dr_ste_build *sb, bool rx);

/* Actions utils */
int mlx5dr_actions_build_ste_arr(struct mlx5dr_matcher *matcher,
				 struct mlx5dr_matcher_rx_tx *nic_matcher,
				 struct mlx5dr_action *actions[],
				 u32 num_actions,
				 u8 *ste_arr,
				 u32 *new_hw_ste_arr_sz);

struct mlx5dr_match_spec {
	u32 smac_47_16;		/* Source MAC address of incoming packet */
	/* Incoming packet Ethertype - this is the Ethertype
	 * following the last VLAN tag of the packet
	 */
	u32 ethertype:16;
	u32 smac_15_0:16;	/* Source MAC address of incoming packet */
	u32 dmac_47_16;		/* Destination MAC address of incoming packet */
	/* VLAN ID of first VLAN tag in the incoming packet.
	 * Valid only when cvlan_tag==1 or svlan_tag==1
	 */
	u32 first_vid:12;
	/* CFI bit of first VLAN tag in the incoming packet.
	 * Valid only when cvlan_tag==1 or svlan_tag==1
	 */
	u32 first_cfi:1;
	/* Priority of first VLAN tag in the incoming packet.
	 * Valid only when cvlan_tag==1 or svlan_tag==1
	 */
	u32 first_prio:3;
	u32 dmac_15_0:16;	/* Destination MAC address of incoming packet */
	/* TCP flags. ;Bit 0: FIN;Bit 1: SYN;Bit 2: RST;Bit 3: PSH;Bit 4: ACK;
	 *             Bit 5: URG;Bit 6: ECE;Bit 7: CWR;Bit 8: NS
	 */
	u32 tcp_flags:9;
	u32 ip_version:4;	/* IP version */
	u32 frag:1;		/* Packet is an IP fragment */
	/* The first vlan in the packet is s-vlan (0x8a88).
	 * cvlan_tag and svlan_tag cannot be set together
	 */
	u32 svlan_tag:1;
	/* The first vlan in the packet is c-vlan (0x8100).
	 * cvlan_tag and svlan_tag cannot be set together
	 */
	u32 cvlan_tag:1;
	/* Explicit Congestion Notification derived from
	 * Traffic Class/TOS field of IPv6/v4
	 */
	u32 ip_ecn:2;
	/* Differentiated Services Code Point derived from
	 * Traffic Class/TOS field of IPv6/v4
	 */
	u32 ip_dscp:6;
	u32 ip_protocol:8;	/* IP protocol */
	/* TCP destination port.
	 * tcp and udp sport/dport are mutually exclusive
	 */
	u32 tcp_dport:16;
	/* TCP source port.;tcp and udp sport/dport are mutually exclusive */
	u32 tcp_sport:16;
	u32 ttl_hoplimit:8;
	u32 reserved:24;
	/* UDP destination port.;tcp and udp sport/dport are mutually exclusive */
	u32 udp_dport:16;
	/* UDP source port.;tcp and udp sport/dport are mutually exclusive */
	u32 udp_sport:16;
	/* IPv6 source address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 src_ip_127_96;
	/* IPv6 source address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 src_ip_95_64;
	/* IPv6 source address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 src_ip_63_32;
	/* IPv6 source address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 src_ip_31_0;
	/* IPv6 destination address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 dst_ip_127_96;
	/* IPv6 destination address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 dst_ip_95_64;
	/* IPv6 destination address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 dst_ip_63_32;
	/* IPv6 destination address of incoming packets
	 * For IPv4 address use bits 31:0 (rest of the bits are reserved)
	 * This field should be qualified by an appropriate ethertype
	 */
	u32 dst_ip_31_0;
};

struct mlx5dr_match_misc {
	u32 source_sqn:24;		/* Source SQN */
	u32 source_vhca_port:4;
	/* used with GRE, sequence number exist when gre_s_present == 1 */
	u32 gre_s_present:1;
	/* used with GRE, key exist when gre_k_present == 1 */
	u32 gre_k_present:1;
	u32 reserved_auto1:1;
	/* used with GRE, checksum exist when gre_c_present == 1 */
	u32 gre_c_present:1;
	/* Source port.;0xffff determines wire port */
	u32 source_port:16;
	u32 source_eswitch_owner_vhca_id:16;
	/* VLAN ID of first VLAN tag the inner header of the incoming packet.
	 * Valid only when inner_second_cvlan_tag ==1 or inner_second_svlan_tag ==1
	 */
	u32 inner_second_vid:12;
	/* CFI bit of first VLAN tag in the inner header of the incoming packet.
	 * Valid only when inner_second_cvlan_tag ==1 or inner_second_svlan_tag ==1
	 */
	u32 inner_second_cfi:1;
	/* Priority of second VLAN tag in the inner header of the incoming packet.
	 * Valid only when inner_second_cvlan_tag ==1 or inner_second_svlan_tag ==1
	 */
	u32 inner_second_prio:3;
	/* VLAN ID of first VLAN tag the outer header of the incoming packet.
	 * Valid only when outer_second_cvlan_tag ==1 or outer_second_svlan_tag ==1
	 */
	u32 outer_second_vid:12;
	/* CFI bit of first VLAN tag in the outer header of the incoming packet.
	 * Valid only when outer_second_cvlan_tag ==1 or outer_second_svlan_tag ==1
	 */
	u32 outer_second_cfi:1;
	/* Priority of second VLAN tag in the outer header of the incoming packet.
	 * Valid only when outer_second_cvlan_tag ==1 or outer_second_svlan_tag ==1
	 */
	u32 outer_second_prio:3;
	u32 gre_protocol:16;		/* GRE Protocol (outer) */
	u32 reserved_auto3:12;
	/* The second vlan in the inner header of the packet is s-vlan (0x8a88).
	 * inner_second_cvlan_tag and inner_second_svlan_tag cannot be set together
	 */
	u32 inner_second_svlan_tag:1;
	/* The second vlan in the outer header of the packet is s-vlan (0x8a88).
	 * outer_second_cvlan_tag and outer_second_svlan_tag cannot be set together
	 */
	u32 outer_second_svlan_tag:1;
	/* The second vlan in the inner header of the packet is c-vlan (0x8100).
	 * inner_second_cvlan_tag and inner_second_svlan_tag cannot be set together
	 */
	u32 inner_second_cvlan_tag:1;
	/* The second vlan in the outer header of the packet is c-vlan (0x8100).
	 * outer_second_cvlan_tag and outer_second_svlan_tag cannot be set together
	 */
	u32 outer_second_cvlan_tag:1;
	u32 gre_key_l:8;		/* GRE Key [7:0] (outer) */
	u32 gre_key_h:24;		/* GRE Key[31:8] (outer) */
	u32 reserved_auto4:8;
	u32 vxlan_vni:24;		/* VXLAN VNI (outer) */
	u32 geneve_oam:1;		/* GENEVE OAM field (outer) */
	u32 reserved_auto5:7;
	u32 geneve_vni:24;		/* GENEVE VNI field (outer) */
	u32 outer_ipv6_flow_label:20;	/* Flow label of incoming IPv6 packet (outer) */
	u32 reserved_auto6:12;
	u32 inner_ipv6_flow_label:20;	/* Flow label of incoming IPv6 packet (inner) */
	u32 reserved_auto7:12;
	u32 geneve_protocol_type:16;	/* GENEVE protocol type (outer) */
	u32 geneve_opt_len:6;		/* GENEVE OptLen (outer) */
	u32 reserved_auto8:10;
	u32 bth_dst_qp:24;		/* Destination QP in BTH header */
	u32 reserved_auto9:8;
	u8 reserved_auto10[20];
};

struct mlx5dr_match_misc2 {
	u32 outer_first_mpls_ttl:8;		/* First MPLS TTL (outer) */
	u32 outer_first_mpls_s_bos:1;		/* First MPLS S_BOS (outer) */
	u32 outer_first_mpls_exp:3;		/* First MPLS EXP (outer) */
	u32 outer_first_mpls_label:20;		/* First MPLS LABEL (outer) */
	u32 inner_first_mpls_ttl:8;		/* First MPLS TTL (inner) */
	u32 inner_first_mpls_s_bos:1;		/* First MPLS S_BOS (inner) */
	u32 inner_first_mpls_exp:3;		/* First MPLS EXP (inner) */
	u32 inner_first_mpls_label:20;		/* First MPLS LABEL (inner) */
	u32 outer_first_mpls_over_gre_ttl:8;	/* last MPLS TTL (outer) */
	u32 outer_first_mpls_over_gre_s_bos:1;	/* last MPLS S_BOS (outer) */
	u32 outer_first_mpls_over_gre_exp:3;	/* last MPLS EXP (outer) */
	u32 outer_first_mpls_over_gre_label:20;	/* last MPLS LABEL (outer) */
	u32 outer_first_mpls_over_udp_ttl:8;	/* last MPLS TTL (outer) */
	u32 outer_first_mpls_over_udp_s_bos:1;	/* last MPLS S_BOS (outer) */
	u32 outer_first_mpls_over_udp_exp:3;	/* last MPLS EXP (outer) */
	u32 outer_first_mpls_over_udp_label:20;	/* last MPLS LABEL (outer) */
	u32 metadata_reg_c_7;			/* metadata_reg_c_7 */
	u32 metadata_reg_c_6;			/* metadata_reg_c_6 */
	u32 metadata_reg_c_5;			/* metadata_reg_c_5 */
	u32 metadata_reg_c_4;			/* metadata_reg_c_4 */
	u32 metadata_reg_c_3;			/* metadata_reg_c_3 */
	u32 metadata_reg_c_2;			/* metadata_reg_c_2 */
	u32 metadata_reg_c_1;			/* metadata_reg_c_1 */
	u32 metadata_reg_c_0;			/* metadata_reg_c_0 */
	u32 metadata_reg_a;			/* metadata_reg_a */
	u32 metadata_reg_b;			/* metadata_reg_b */
	u8 reserved_auto2[8];
};

struct mlx5dr_match_misc3 {
	u32 inner_tcp_seq_num;
	u32 outer_tcp_seq_num;
	u32 inner_tcp_ack_num;
	u32 outer_tcp_ack_num;
	u32 outer_vxlan_gpe_vni:24;
	u32 reserved_auto1:8;
	u32 reserved_auto2:16;
	u32 outer_vxlan_gpe_flags:8;
	u32 outer_vxlan_gpe_next_protocol:8;
	u32 icmpv4_header_data;
	u32 icmpv6_header_data;
	u32 icmpv6_code:8;
	u32 icmpv6_type:8;
	u32 icmpv4_code:8;
	u32 icmpv4_type:8;
	u8 reserved_auto3[0x1c];
};

struct mlx5dr_match_param {
	struct mlx5dr_match_spec outer;
	struct mlx5dr_match_misc misc;
	struct mlx5dr_match_spec inner;
	struct mlx5dr_match_misc2 misc2;
	struct mlx5dr_match_misc3 misc3;
};

#define DR_MASK_IS_FLEX_PARSER_ICMPV4_SET(_misc3) ((_misc3)->icmpv4_type || \
						   (_misc3)->icmpv4_code || \
						   (_misc3)->icmpv4_header_data)

struct mlx5dr_esw_caps {
	u64 drop_icm_address_rx;
	u64 drop_icm_address_tx;
	u64 uplink_icm_address_rx;
	u64 uplink_icm_address_tx;
	bool sw_owner;
};

struct mlx5dr_cmd_vport_cap {
	u16 vport_gvmi;
	u16 vhca_gvmi;
	u64 icm_address_rx;
	u64 icm_address_tx;
	u32 num;
};

struct mlx5dr_cmd_caps {
	u16 gvmi;
	u64 nic_rx_drop_address;
	u64 nic_tx_drop_address;
	u64 nic_tx_allow_address;
	u64 esw_rx_drop_address;
	u64 esw_tx_drop_address;
	u32 log_icm_size;
	u64 hdr_modify_icm_addr;
	u32 flex_protocols;
	u8 flex_parser_id_icmp_dw0;
	u8 flex_parser_id_icmp_dw1;
	u8 flex_parser_id_icmpv6_dw0;
	u8 flex_parser_id_icmpv6_dw1;
	u8 max_ft_level;
	u16 roce_min_src_udp;
	u8 num_esw_ports;
	bool eswitch_manager;
	bool rx_sw_owner;
	bool tx_sw_owner;
	bool fdb_sw_owner;
	u32 num_vports;
	struct mlx5dr_esw_caps esw_caps;
	struct mlx5dr_cmd_vport_cap *vports_caps;
	bool prio_tag_required;
};

struct mlx5dr_domain_rx_tx {
	u64 drop_icm_addr;
	u64 default_icm_addr;
	enum mlx5dr_ste_entry_type ste_type;
};

struct mlx5dr_domain_info {
	bool supp_sw_steering;
	u32 max_inline_size;
	u32 max_send_wr;
	u32 max_log_sw_icm_sz;
	u32 max_log_action_icm_sz;
	struct mlx5dr_domain_rx_tx rx;
	struct mlx5dr_domain_rx_tx tx;
	struct mlx5dr_cmd_caps caps;
};

struct mlx5dr_domain_cache {
	struct mlx5dr_fw_recalc_cs_ft **recalc_cs_ft;
};

struct mlx5dr_domain {
	struct mlx5dr_domain *peer_dmn;
	struct mlx5_core_dev *mdev;
	u32 pdn;
	struct mlx5_uars_page *uar;
	enum mlx5dr_domain_type type;
	refcount_t refcount;
	struct mutex mutex; /* protect domain */
	struct mlx5dr_icm_pool *ste_icm_pool;
	struct mlx5dr_icm_pool *action_icm_pool;
	struct mlx5dr_send_ring *send_ring;
	struct mlx5dr_domain_info info;
	struct mlx5dr_domain_cache cache;
};

struct mlx5dr_table_rx_tx {
	struct mlx5dr_ste_htbl *s_anchor;
	struct mlx5dr_domain_rx_tx *nic_dmn;
	u64 default_icm_addr;
};

struct mlx5dr_table {
	struct mlx5dr_domain *dmn;
	struct mlx5dr_table_rx_tx rx;
	struct mlx5dr_table_rx_tx tx;
	u32 level;
	u32 table_type;
	u32 table_id;
	struct list_head matcher_list;
	struct mlx5dr_action *miss_action;
	refcount_t refcount;
};

struct mlx5dr_matcher_rx_tx {
	struct mlx5dr_ste_htbl *s_htbl;
	struct mlx5dr_ste_htbl *e_anchor;
	struct mlx5dr_ste_build *ste_builder;
	struct mlx5dr_ste_build ste_builder_arr[DR_RULE_IPV_MAX]
					       [DR_RULE_IPV_MAX]
					       [DR_RULE_MAX_STES];
	u8 num_of_builders;
	u8 num_of_builders_arr[DR_RULE_IPV_MAX][DR_RULE_IPV_MAX];
	u64 default_icm_addr;
	struct mlx5dr_table_rx_tx *nic_tbl;
};

struct mlx5dr_matcher {
	struct mlx5dr_table *tbl;
	struct mlx5dr_matcher_rx_tx rx;
	struct mlx5dr_matcher_rx_tx tx;
	struct list_head matcher_list;
	u16 prio;
	struct mlx5dr_match_param mask;
	u8 match_criteria;
	refcount_t refcount;
	struct mlx5dv_flow_matcher *dv_matcher;
};

struct mlx5dr_rule_member {
	struct mlx5dr_ste *ste;
	/* attached to mlx5dr_rule via this */
	struct list_head list;
	/* attached to mlx5dr_ste via this */
	struct list_head use_ste_list;
};

struct mlx5dr_action {
	enum mlx5dr_action_type action_type;
	refcount_t refcount;
	union {
		struct {
			struct mlx5dr_domain *dmn;
			struct mlx5dr_icm_chunk *chunk;
			u8 *data;
			u32 data_size;
			u16 num_of_actions;
			u32 index;
			u8 allow_rx:1;
			u8 allow_tx:1;
			u8 modify_ttl:1;
		} rewrite;
		struct {
			struct mlx5dr_domain *dmn;
			u32 reformat_id;
			u32 reformat_size;
		} reformat;
		struct {
			u8 is_fw_tbl:1;
			union {
				struct mlx5dr_table *tbl;
				struct {
					struct mlx5_flow_table *ft;
					u64 rx_icm_addr;
					u64 tx_icm_addr;
					struct mlx5_core_dev *mdev;
				} fw_tbl;
			};
		} dest_tbl;
		struct {
			u32 ctr_id;
			u32 offeset;
		} ctr;
		struct {
			struct mlx5dr_domain *dmn;
			struct mlx5dr_cmd_vport_cap *caps;
		} vport;
		struct {
			u32 vlan_hdr; /* tpid_pcp_dei_vid */
		} push_vlan;
		u32 flow_tag;
	};
};

enum mlx5dr_connect_type {
	CONNECT_HIT	= 1,
	CONNECT_MISS	= 2,
};

struct mlx5dr_htbl_connect_info {
	enum mlx5dr_connect_type type;
	union {
		struct mlx5dr_ste_htbl *hit_next_htbl;
		u64 miss_icm_addr;
	};
};

struct mlx5dr_rule_rx_tx {
	struct list_head rule_members_list;
	struct mlx5dr_matcher_rx_tx *nic_matcher;
};

struct mlx5dr_rule {
	struct mlx5dr_matcher *matcher;
	struct mlx5dr_rule_rx_tx rx;
	struct mlx5dr_rule_rx_tx tx;
	struct list_head rule_actions_list;
};

void mlx5dr_rule_update_rule_member(struct mlx5dr_ste *new_ste,
				    struct mlx5dr_ste *ste);

struct mlx5dr_icm_chunk {
	struct mlx5dr_icm_bucket *bucket;
	struct list_head chunk_list;
	u32 rkey;
	u32 num_of_entries;
	u32 byte_size;
	u64 icm_addr;
	u64 mr_addr;

	/* Memory optimisation */
	struct mlx5dr_ste *ste_arr;
	u8 *hw_ste_arr;
	struct list_head *miss_list;
};

static inline int
mlx5dr_matcher_supp_flex_parser_icmp_v4(struct mlx5dr_cmd_caps *caps)
{
	return caps->flex_protocols & MLX5_FLEX_PARSER_ICMP_V4_ENABLED;
}

static inline int
mlx5dr_matcher_supp_flex_parser_icmp_v6(struct mlx5dr_cmd_caps *caps)
{
	return caps->flex_protocols & MLX5_FLEX_PARSER_ICMP_V6_ENABLED;
}

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);

static inline u32
mlx5dr_icm_pool_chunk_size_to_entries(enum mlx5dr_icm_chunk_size chunk_size)
{
	return 1 << chunk_size;
}

static inline int
mlx5dr_icm_pool_chunk_size_to_byte(enum mlx5dr_icm_chunk_size chunk_size,
				   enum mlx5dr_icm_type icm_type)
{
	int num_of_entries;
	int entry_size;

	if (icm_type == DR_ICM_TYPE_STE)
		entry_size = DR_STE_SIZE;
	else
		entry_size = DR_MODIFY_ACTION_SIZE;

	num_of_entries = mlx5dr_icm_pool_chunk_size_to_entries(chunk_size);

	return entry_size * num_of_entries;
}

static inline struct mlx5dr_cmd_vport_cap *
mlx5dr_get_vport_cap(struct mlx5dr_cmd_caps *caps, u32 vport)
{
	if (!caps->vports_caps ||
	    (vport >= caps->num_vports && vport != WIRE_PORT))
		return NULL;

	if (vport == WIRE_PORT)
		vport = caps->num_vports;

	return &caps->vports_caps[vport];
}

struct mlx5dr_cmd_query_flow_table_details {
	u8 status;
	u8 level;
	u64 sw_owner_icm_root_1;
	u64 sw_owner_icm_root_0;
};

/* internal API functions */
int mlx5dr_cmd_query_device(struct mlx5_core_dev *mdev,
			    struct mlx5dr_cmd_caps *caps);
int mlx5dr_cmd_query_esw_vport_context(struct mlx5_core_dev *mdev,
				       bool other_vport, u16 vport_number,
				       u64 *icm_address_rx,
				       u64 *icm_address_tx);
int mlx5dr_cmd_query_gvmi(struct mlx5_core_dev *mdev,
			  bool other_vport, u16 vport_number, u16 *gvmi);
int mlx5dr_cmd_query_esw_caps(struct mlx5_core_dev *mdev,
			      struct mlx5dr_esw_caps *caps);
int mlx5dr_cmd_sync_steering(struct mlx5_core_dev *mdev);
int mlx5dr_cmd_set_fte_modify_and_vport(struct mlx5_core_dev *mdev,
					u32 table_type,
					u32 table_id,
					u32 group_id,
					u32 modify_header_id,
					u32 vport_id);
int mlx5dr_cmd_del_flow_table_entry(struct mlx5_core_dev *mdev,
				    u32 table_type,
				    u32 table_id);
int mlx5dr_cmd_alloc_modify_header(struct mlx5_core_dev *mdev,
				   u32 table_type,
				   u8 num_of_actions,
				   u64 *actions,
				   u32 *modify_header_id);
int mlx5dr_cmd_dealloc_modify_header(struct mlx5_core_dev *mdev,
				     u32 modify_header_id);
int mlx5dr_cmd_create_empty_flow_group(struct mlx5_core_dev *mdev,
				       u32 table_type,
				       u32 table_id,
				       u32 *group_id);
int mlx5dr_cmd_destroy_flow_group(struct mlx5_core_dev *mdev,
				  u32 table_type,
				  u32 table_id,
				  u32 group_id);
int mlx5dr_cmd_create_flow_table(struct mlx5_core_dev *mdev,
				 u32 table_type,
				 u64 icm_addr_rx,
				 u64 icm_addr_tx,
				 u8 level,
				 bool sw_owner,
				 bool term_tbl,
				 u64 *fdb_rx_icm_addr,
				 u32 *table_id);
int mlx5dr_cmd_destroy_flow_table(struct mlx5_core_dev *mdev,
				  u32 table_id,
				  u32 table_type);
int mlx5dr_cmd_query_flow_table(struct mlx5_core_dev *dev,
				enum fs_flow_table_type type,
				u32 table_id,
				struct mlx5dr_cmd_query_flow_table_details *output);
int mlx5dr_cmd_create_reformat_ctx(struct mlx5_core_dev *mdev,
				   enum mlx5_reformat_ctx_type rt,
				   size_t reformat_size,
				   void *reformat_data,
				   u32 *reformat_id);
void mlx5dr_cmd_destroy_reformat_ctx(struct mlx5_core_dev *mdev,
				     u32 reformat_id);

struct mlx5dr_cmd_gid_attr {
	u8 gid[16];
	u8 mac[6];
	u32 roce_ver;
};

struct mlx5dr_cmd_qp_create_attr {
	u32 page_id;
	u32 pdn;
	u32 cqn;
	u32 pm_state;
	u32 service_type;
	u32 buff_umem_id;
	u32 db_umem_id;
	u32 sq_wqe_cnt;
	u32 rq_wqe_cnt;
	u32 rq_wqe_shift;
};

int mlx5dr_cmd_query_gid(struct mlx5_core_dev *mdev, u8 vhca_port_num,
			 u16 index, struct mlx5dr_cmd_gid_attr *attr);

struct mlx5dr_icm_pool *mlx5dr_icm_pool_create(struct mlx5dr_domain *dmn,
					       enum mlx5dr_icm_type icm_type);
void mlx5dr_icm_pool_destroy(struct mlx5dr_icm_pool *pool);

struct mlx5dr_icm_chunk *
mlx5dr_icm_alloc_chunk(struct mlx5dr_icm_pool *pool,
		       enum mlx5dr_icm_chunk_size chunk_size);
void mlx5dr_icm_free_chunk(struct mlx5dr_icm_chunk *chunk);
bool mlx5dr_ste_is_not_valid_entry(u8 *p_hw_ste);
int mlx5dr_ste_htbl_init_and_postsend(struct mlx5dr_domain *dmn,
				      struct mlx5dr_domain_rx_tx *nic_dmn,
				      struct mlx5dr_ste_htbl *htbl,
				      struct mlx5dr_htbl_connect_info *connect_info,
				      bool update_hw_ste);
void mlx5dr_ste_set_formatted_ste(u16 gvmi,
				  struct mlx5dr_domain_rx_tx *nic_dmn,
				  struct mlx5dr_ste_htbl *htbl,
				  u8 *formatted_ste,
				  struct mlx5dr_htbl_connect_info *connect_info);
void mlx5dr_ste_copy_param(u8 match_criteria,
			   struct mlx5dr_match_param *set_param,
			   struct mlx5dr_match_parameters *mask);

struct mlx5dr_qp {
	struct mlx5_core_dev *mdev;
	struct mlx5_wq_qp wq;
	struct mlx5_uars_page *uar;
	struct mlx5_wq_ctrl wq_ctrl;
	struct mlx5_core_qp mqp;
	struct {
		unsigned int pc;
		unsigned int cc;
		unsigned int size;
		unsigned int *wqe_head;
		unsigned int wqe_cnt;
	} sq;
	struct {
		unsigned int pc;
		unsigned int cc;
		unsigned int size;
		unsigned int wqe_cnt;
	} rq;
	int max_inline_data;
};

struct mlx5dr_cq {
	struct mlx5_core_dev *mdev;
	struct mlx5_cqwq wq;
	struct mlx5_wq_ctrl wq_ctrl;
	struct mlx5_core_cq mcq;
	struct mlx5dr_qp *qp;
};

struct mlx5dr_mr {
	struct mlx5_core_dev *mdev;
	struct mlx5_core_mkey mkey;
	dma_addr_t dma_addr;
	void *addr;
	size_t size;
};

#define MAX_SEND_CQE		64
#define MIN_READ_SYNC		64

struct mlx5dr_send_ring {
	struct mlx5dr_cq *cq;
	struct mlx5dr_qp *qp;
	struct mlx5dr_mr *mr;
	/* How much wqes are waiting for completion */
	u32 pending_wqe;
	/* Signal request per this trash hold value */
	u16 signal_th;
	/* Each post_send_size less than max_post_send_size */
	u32 max_post_send_size;
	/* manage the send queue */
	u32 tx_head;
	void *buf;
	u32 buf_size;
	struct ib_wc wc[MAX_SEND_CQE];
	u8 sync_buff[MIN_READ_SYNC];
	struct mlx5dr_mr *sync_mr;
};

int mlx5dr_send_ring_alloc(struct mlx5dr_domain *dmn);
void mlx5dr_send_ring_free(struct mlx5dr_domain *dmn,
			   struct mlx5dr_send_ring *send_ring);
int mlx5dr_send_ring_force_drain(struct mlx5dr_domain *dmn);
int mlx5dr_send_postsend_ste(struct mlx5dr_domain *dmn,
			     struct mlx5dr_ste *ste,
			     u8 *data,
			     u16 size,
			     u16 offset);
int mlx5dr_send_postsend_htbl(struct mlx5dr_domain *dmn,
			      struct mlx5dr_ste_htbl *htbl,
			      u8 *formatted_ste, u8 *mask);
int mlx5dr_send_postsend_formatted_htbl(struct mlx5dr_domain *dmn,
					struct mlx5dr_ste_htbl *htbl,
					u8 *ste_init_data,
					bool update_hw_ste);
int mlx5dr_send_postsend_action(struct mlx5dr_domain *dmn,
				struct mlx5dr_action *action);

struct mlx5dr_fw_recalc_cs_ft {
	u64 rx_icm_addr;
	u32 table_id;
	u32 group_id;
	u32 modify_hdr_id;
};

struct mlx5dr_fw_recalc_cs_ft *
mlx5dr_fw_create_recalc_cs_ft(struct mlx5dr_domain *dmn, u32 vport_num);
void mlx5dr_fw_destroy_recalc_cs_ft(struct mlx5dr_domain *dmn,
				    struct mlx5dr_fw_recalc_cs_ft *recalc_cs_ft);
int mlx5dr_domain_cache_get_recalc_cs_ft_addr(struct mlx5dr_domain *dmn,
					      u32 vport_num,
					      u64 *rx_icm_addr);
#endif  /* _DR_TYPES_H_ */