path: root/drivers/net/ethernet/intel/ice/ice_lan_tx_rx.h

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2018, Intel Corporation. */

#ifndef _ICE_LAN_TX_RX_H_
#define _ICE_LAN_TX_RX_H_

union ice_32byte_rx_desc {
	struct {
		__le64 pkt_addr; /* Packet buffer address */
		__le64 hdr_addr; /* Header buffer address */
			/* bit 0 of hdr_addr is DD bit */
		__le64 rsvd1;
		__le64 rsvd2;
	} read;
	struct {
		struct {
			struct {
				__le16 mirroring_status;
				__le16 l2tag1;
			} lo_dword;
			union {
				__le32 rss; /* RSS Hash */
				__le32 fd_id; /* Flow Director filter ID */
			} hi_dword;
		} qword0;
		struct {
			/* status/error/PTYPE/length */
			__le64 status_error_len;
		} qword1;
		struct {
			__le16 ext_status; /* extended status */
			__le16 rsvd;
			__le16 l2tag2_1;
			__le16 l2tag2_2;
		} qword2;
		struct {
			__le32 reserved;
			__le32 fd_id;
		} qword3;
	} wb; /* writeback */
};

struct ice_fltr_desc {
	__le64 qidx_compq_space_stat;
	__le64 dtype_cmd_vsi_fdid;
};

#define ICE_FXD_FLTR_QW0_QINDEX_S	0
#define ICE_FXD_FLTR_QW0_QINDEX_M	(0x7FFULL << ICE_FXD_FLTR_QW0_QINDEX_S)
#define ICE_FXD_FLTR_QW0_COMP_Q_S	11
#define ICE_FXD_FLTR_QW0_COMP_Q_M	BIT_ULL(ICE_FXD_FLTR_QW0_COMP_Q_S)
#define ICE_FXD_FLTR_QW0_COMP_Q_ZERO	0x0ULL

#define ICE_FXD_FLTR_QW0_COMP_REPORT_S	12
#define ICE_FXD_FLTR_QW0_COMP_REPORT_M	\
				(0x3ULL << ICE_FXD_FLTR_QW0_COMP_REPORT_S)
#define ICE_FXD_FLTR_QW0_COMP_REPORT_SW_FAIL	0x1ULL
#define ICE_FXD_FLTR_QW0_COMP_REPORT_SW		0x2ULL

#define ICE_FXD_FLTR_QW0_FD_SPACE_S	14
#define ICE_FXD_FLTR_QW0_FD_SPACE_M	(0x3ULL << ICE_FXD_FLTR_QW0_FD_SPACE_S)
#define ICE_FXD_FLTR_QW0_FD_SPACE_GUAR_BEST		0x2ULL

#define ICE_FXD_FLTR_QW0_STAT_CNT_S	16
#define ICE_FXD_FLTR_QW0_STAT_CNT_M	\
				(0x1FFFULL << ICE_FXD_FLTR_QW0_STAT_CNT_S)
#define ICE_FXD_FLTR_QW0_STAT_ENA_S	29
#define ICE_FXD_FLTR_QW0_STAT_ENA_M	(0x3ULL << ICE_FXD_FLTR_QW0_STAT_ENA_S)
#define ICE_FXD_FLTR_QW0_STAT_ENA_PKTS		0x1ULL

#define ICE_FXD_FLTR_QW0_EVICT_ENA_S	31
#define ICE_FXD_FLTR_QW0_EVICT_ENA_M	BIT_ULL(ICE_FXD_FLTR_QW0_EVICT_ENA_S)
#define ICE_FXD_FLTR_QW0_EVICT_ENA_FALSE	0x0ULL
#define ICE_FXD_FLTR_QW0_EVICT_ENA_TRUE		0x1ULL

#define ICE_FXD_FLTR_QW0_TO_Q_S		32
#define ICE_FXD_FLTR_QW0_TO_Q_M		(0x7ULL << ICE_FXD_FLTR_QW0_TO_Q_S)
#define ICE_FXD_FLTR_QW0_TO_Q_EQUALS_QINDEX	0x0ULL

#define ICE_FXD_FLTR_QW0_TO_Q_PRI_S	35
#define ICE_FXD_FLTR_QW0_TO_Q_PRI_M	(0x7ULL << ICE_FXD_FLTR_QW0_TO_Q_PRI_S)
#define ICE_FXD_FLTR_QW0_TO_Q_PRIO1	0x1ULL

#define ICE_FXD_FLTR_QW0_DPU_RECIPE_S	38
#define ICE_FXD_FLTR_QW0_DPU_RECIPE_M	\
			(0x3ULL << ICE_FXD_FLTR_QW0_DPU_RECIPE_S)
#define ICE_FXD_FLTR_QW0_DPU_RECIPE_DFLT	0x0ULL

#define ICE_FXD_FLTR_QW0_DROP_S		40
#define ICE_FXD_FLTR_QW0_DROP_M		BIT_ULL(ICE_FXD_FLTR_QW0_DROP_S)
#define ICE_FXD_FLTR_QW0_DROP_NO	0x0ULL
#define ICE_FXD_FLTR_QW0_DROP_YES	0x1ULL

#define ICE_FXD_FLTR_QW0_FLEX_PRI_S	41
#define ICE_FXD_FLTR_QW0_FLEX_PRI_M	(0x7ULL << ICE_FXD_FLTR_QW0_FLEX_PRI_S)
#define ICE_FXD_FLTR_QW0_FLEX_PRI_NONE	0x0ULL

#define ICE_FXD_FLTR_QW0_FLEX_MDID_S	44
#define ICE_FXD_FLTR_QW0_FLEX_MDID_M	(0xFULL << ICE_FXD_FLTR_QW0_FLEX_MDID_S)
#define ICE_FXD_FLTR_QW0_FLEX_MDID0	0x0ULL

#define ICE_FXD_FLTR_QW0_FLEX_VAL_S	48
#define ICE_FXD_FLTR_QW0_FLEX_VAL_M	\
				(0xFFFFULL << ICE_FXD_FLTR_QW0_FLEX_VAL_S)
#define ICE_FXD_FLTR_QW0_FLEX_VAL0	0x0ULL

#define ICE_FXD_FLTR_QW1_DTYPE_S	0
#define ICE_FXD_FLTR_QW1_DTYPE_M	(0xFULL << ICE_FXD_FLTR_QW1_DTYPE_S)
#define ICE_FXD_FLTR_QW1_PCMD_S		4
#define ICE_FXD_FLTR_QW1_PCMD_M		BIT_ULL(ICE_FXD_FLTR_QW1_PCMD_S)
#define ICE_FXD_FLTR_QW1_PCMD_ADD	0x0ULL
#define ICE_FXD_FLTR_QW1_PCMD_REMOVE	0x1ULL

#define ICE_FXD_FLTR_QW1_PROF_PRI_S	5
#define ICE_FXD_FLTR_QW1_PROF_PRI_M	(0x7ULL << ICE_FXD_FLTR_QW1_PROF_PRI_S)
#define ICE_FXD_FLTR_QW1_PROF_PRIO_ZERO	0x0ULL

#define ICE_FXD_FLTR_QW1_PROF_S		8
#define ICE_FXD_FLTR_QW1_PROF_M		(0x3FULL << ICE_FXD_FLTR_QW1_PROF_S)
#define ICE_FXD_FLTR_QW1_PROF_ZERO	0x0ULL

#define ICE_FXD_FLTR_QW1_FD_VSI_S	14
#define ICE_FXD_FLTR_QW1_FD_VSI_M	(0x3FFULL << ICE_FXD_FLTR_QW1_FD_VSI_S)
#define ICE_FXD_FLTR_QW1_SWAP_S		24
#define ICE_FXD_FLTR_QW1_SWAP_M		BIT_ULL(ICE_FXD_FLTR_QW1_SWAP_S)
#define ICE_FXD_FLTR_QW1_SWAP_NOT_SET	0x0ULL
#define ICE_FXD_FLTR_QW1_SWAP_SET	0x1ULL

#define ICE_FXD_FLTR_QW1_FDID_PRI_S	25
#define ICE_FXD_FLTR_QW1_FDID_PRI_M	(0x7ULL << ICE_FXD_FLTR_QW1_FDID_PRI_S)
#define ICE_FXD_FLTR_QW1_FDID_PRI_ONE	0x1ULL
#define ICE_FXD_FLTR_QW1_FDID_PRI_THREE	0x3ULL

#define ICE_FXD_FLTR_QW1_FDID_MDID_S	28
#define ICE_FXD_FLTR_QW1_FDID_MDID_M	(0xFULL << ICE_FXD_FLTR_QW1_FDID_MDID_S)
#define ICE_FXD_FLTR_QW1_FDID_MDID_FD	0x05ULL

#define ICE_FXD_FLTR_QW1_FDID_S		32
#define ICE_FXD_FLTR_QW1_FDID_M		\
			(0xFFFFFFFFULL << ICE_FXD_FLTR_QW1_FDID_S)
#define ICE_FXD_FLTR_QW1_FDID_ZERO	0x0ULL

/* definition for FD filter programming status descriptor WB format */
#define ICE_FXD_FLTR_WB_QW1_DD_S	0
#define ICE_FXD_FLTR_WB_QW1_DD_M	(0x1ULL << ICE_FXD_FLTR_WB_QW1_DD_S)
#define ICE_FXD_FLTR_WB_QW1_DD_YES	0x1ULL

#define ICE_FXD_FLTR_WB_QW1_PROG_ID_S	1
#define ICE_FXD_FLTR_WB_QW1_PROG_ID_M	\
				(0x3ULL << ICE_FXD_FLTR_WB_QW1_PROG_ID_S)
#define ICE_FXD_FLTR_WB_QW1_PROG_ADD	0x0ULL
#define ICE_FXD_FLTR_WB_QW1_PROG_DEL	0x1ULL

#define ICE_FXD_FLTR_WB_QW1_FAIL_S	4
#define ICE_FXD_FLTR_WB_QW1_FAIL_M	(0x1ULL << ICE_FXD_FLTR_WB_QW1_FAIL_S)
#define ICE_FXD_FLTR_WB_QW1_FAIL_YES	0x1ULL

#define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S	5
#define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_M	\
				(0x1ULL << ICE_FXD_FLTR_WB_QW1_FAIL_PROF_S)
#define ICE_FXD_FLTR_WB_QW1_FAIL_PROF_YES	0x1ULL

/* Rx Flex Descriptor
 * This descriptor is used instead of the legacy version descriptor when
 * ice_rlan_ctx.adv_desc is set
 */
union ice_32b_rx_flex_desc {
	struct {
		__le64 pkt_addr; /* Packet buffer address */
		__le64 hdr_addr; /* Header buffer address */
				 /* bit 0 of hdr_addr is DD bit */
		__le64 rsvd1;
		__le64 rsvd2;
	} read;
	struct {
		/* Qword 0 */
		u8 rxdid; /* descriptor builder profile ID */
		u8 mir_id_umb_cast; /* mirror=[5:0], umb=[7:6] */
		__le16 ptype_flex_flags0; /* ptype=[9:0], ff0=[15:10] */
		__le16 pkt_len; /* [15:14] are reserved */
		__le16 hdr_len_sph_flex_flags1; /* header=[10:0] */
						/* sph=[11:11] */
						/* ff1/ext=[15:12] */

		/* Qword 1 */
		__le16 status_error0;
		__le16 l2tag1;
		__le16 flex_meta0;
		__le16 flex_meta1;

		/* Qword 2 */
		__le16 status_error1;
		u8 flex_flags2;
		u8 time_stamp_low;
		__le16 l2tag2_1st;
		__le16 l2tag2_2nd;

		/* Qword 3 */
		__le16 flex_meta2;
		__le16 flex_meta3;
		union {
			struct {
				__le16 flex_meta4;
				__le16 flex_meta5;
			} flex;
			__le32 ts_high;
		} flex_ts;
	} wb; /* writeback */
};

/* Rx Flex Descriptor NIC Profile
 * This descriptor corresponds to RxDID 2 which contains
 * metadata fields for RSS, flow ID and timestamp info
 */
struct ice_32b_rx_flex_desc_nic {
	/* Qword 0 */
	u8 rxdid;
	u8 mir_id_umb_cast;
	__le16 ptype_flexi_flags0;
	__le16 pkt_len;
	__le16 hdr_len_sph_flex_flags1;

	/* Qword 1 */
	__le16 status_error0;
	__le16 l2tag1;
	__le32 rss_hash;

	/* Qword 2 */
	__le16 status_error1;
	u8 flexi_flags2;
	u8 ts_low;
	__le16 l2tag2_1st;
	__le16 l2tag2_2nd;

	/* Qword 3 */
	__le32 flow_id;
	union {
		struct {
			__le16 vlan_id;
			__le16 flow_id_ipv6;
		} flex;
		__le32 ts_high;
	} flex_ts;
};

/* Rx Flex Descriptor NIC Profile
 * RxDID Profile ID 6
 * Flex-field 0: RSS hash lower 16-bits
 * Flex-field 1: RSS hash upper 16-bits
 * Flex-field 2: Flow ID lower 16-bits
 * Flex-field 3: Source VSI
 * Flex-field 4: reserved, VLAN ID taken from L2Tag
 */
struct ice_32b_rx_flex_desc_nic_2 {
	/* Qword 0 */
	u8 rxdid;
	u8 mir_id_umb_cast;
	__le16 ptype_flexi_flags0;
	__le16 pkt_len;
	__le16 hdr_len_sph_flex_flags1;

	/* Qword 1 */
	__le16 status_error0;
	__le16 l2tag1;
	__le32 rss_hash;

	/* Qword 2 */
	__le16 status_error1;
	u8 flexi_flags2;
	u8 ts_low;
	__le16 l2tag2_1st;
	__le16 l2tag2_2nd;

	/* Qword 3 */
	__le16 flow_id;
	__le16 src_vsi;
	union {
		struct {
			__le16 rsvd;
			__le16 flow_id_ipv6;
		} flex;
		__le32 ts_high;
	} flex_ts;
};

/* Receive Flex Descriptor profile IDs: There are a total
 * of 64 profiles where profile IDs 0/1 are for legacy; and
 * profiles 2-63 are flex profiles that can be programmed
 * with a specific metadata (profile 7 reserved for HW)
 */
enum ice_rxdid {
	ICE_RXDID_LEGACY_0		= 0,
	ICE_RXDID_LEGACY_1		= 1,
	ICE_RXDID_FLEX_NIC		= 2,
	ICE_RXDID_FLEX_NIC_2		= 6,
	ICE_RXDID_HW			= 7,
	ICE_RXDID_LAST			= 63,
};

/* Receive Flex Descriptor Rx opcode values */
#define ICE_RX_OPC_MDID		0x01

/* Receive Descriptor MDID values that access packet flags */
enum ice_flex_mdid_pkt_flags {
	ICE_RX_MDID_PKT_FLAGS_15_0	= 20,
	ICE_RX_MDID_PKT_FLAGS_31_16,
	ICE_RX_MDID_PKT_FLAGS_47_32,
	ICE_RX_MDID_PKT_FLAGS_63_48,
};

/* Receive Descriptor MDID values */
enum ice_flex_rx_mdid {
	ICE_RX_MDID_FLOW_ID_LOWER	= 5,
	ICE_RX_MDID_FLOW_ID_HIGH,
	ICE_RX_MDID_SRC_VSI		= 19,
	ICE_RX_MDID_HASH_LOW		= 56,
	ICE_RX_MDID_HASH_HIGH,
};

/* Rx/Tx Flag64 packet flag bits */
enum ice_flg64_bits {
	ICE_FLG_PKT_DSI		= 0,
	ICE_FLG_EVLAN_x8100	= 14,
	ICE_FLG_EVLAN_x9100,
	ICE_FLG_VLAN_x8100,
	ICE_FLG_TNL_MAC		= 22,
	ICE_FLG_TNL_VLAN,
	ICE_FLG_PKT_FRG,
	ICE_FLG_FIN		= 32,
	ICE_FLG_SYN,
	ICE_FLG_RST,
	ICE_FLG_TNL0		= 38,
	ICE_FLG_TNL1,
	ICE_FLG_TNL2,
	ICE_FLG_UDP_GRE,
	ICE_FLG_RSVD		= 63
};

/* for ice_32byte_rx_flex_desc.ptype_flexi_flags0 member */
#define ICE_RX_FLEX_DESC_PTYPE_M	(0x3FF) /* 10-bits */

/* for ice_32byte_rx_flex_desc.pkt_length member */
#define ICE_RX_FLX_DESC_PKT_LEN_M	(0x3FFF) /* 14-bits */

enum ice_rx_flex_desc_status_error_0_bits {
	/* Note: These are predefined bit offsets */
	ICE_RX_FLEX_DESC_STATUS0_DD_S = 0,
	ICE_RX_FLEX_DESC_STATUS0_EOF_S,
	ICE_RX_FLEX_DESC_STATUS0_HBO_S,
	ICE_RX_FLEX_DESC_STATUS0_L3L4P_S,
	ICE_RX_FLEX_DESC_STATUS0_XSUM_IPE_S,
	ICE_RX_FLEX_DESC_STATUS0_XSUM_L4E_S,
	ICE_RX_FLEX_DESC_STATUS0_XSUM_EIPE_S,
	ICE_RX_FLEX_DESC_STATUS0_XSUM_EUDPE_S,
	ICE_RX_FLEX_DESC_STATUS0_LPBK_S,
	ICE_RX_FLEX_DESC_STATUS0_IPV6EXADD_S,
	ICE_RX_FLEX_DESC_STATUS0_RXE_S,
	ICE_RX_FLEX_DESC_STATUS0_CRCP_S,
	ICE_RX_FLEX_DESC_STATUS0_RSS_VALID_S,
	ICE_RX_FLEX_DESC_STATUS0_L2TAG1P_S,
	ICE_RX_FLEX_DESC_STATUS0_XTRMD0_VALID_S,
	ICE_RX_FLEX_DESC_STATUS0_XTRMD1_VALID_S,
	ICE_RX_FLEX_DESC_STATUS0_LAST /* this entry must be last!!! */
};

enum ice_rx_flex_desc_status_error_1_bits {
	/* Note: These are predefined bit offsets */
	ICE_RX_FLEX_DESC_STATUS1_NAT_S = 4,
	 /* [10:5] reserved */
	ICE_RX_FLEX_DESC_STATUS1_L2TAG2P_S = 11,
	ICE_RX_FLEX_DESC_STATUS1_LAST /* this entry must be last!!! */
};

#define ICE_RXQ_CTX_SIZE_DWORDS		8
#define ICE_RXQ_CTX_SZ			(ICE_RXQ_CTX_SIZE_DWORDS * sizeof(u32))
#define ICE_TX_CMPLTNQ_CTX_SIZE_DWORDS	22
#define ICE_TX_DRBELL_Q_CTX_SIZE_DWORDS	5
#define GLTCLAN_CQ_CNTX(i, CQ)		(GLTCLAN_CQ_CNTX0(CQ) + ((i) * 0x0800))

/* RLAN Rx queue context data
 *
 * The sizes of the variables may be larger than needed due to crossing byte
 * boundaries. If we do not have the width of the variable set to the correct
 * size then we could end up shifting bits off the top of the variable when the
 * variable is at the top of a byte and crosses over into the next byte.
 */
struct ice_rlan_ctx {
	u16 head;
	u16 cpuid; /* bigger than needed, see above for reason */
#define ICE_RLAN_BASE_S 7
	u64 base;
	u16 qlen;
#define ICE_RLAN_CTX_DBUF_S 7
	u16 dbuf; /* bigger than needed, see above for reason */
#define ICE_RLAN_CTX_HBUF_S 6
	u16 hbuf; /* bigger than needed, see above for reason */
	u8 dtype;
	u8 dsize;
	u8 crcstrip;
	u8 l2tsel;
	u8 hsplit_0;
	u8 hsplit_1;
	u8 showiv;
	u32 rxmax; /* bigger than needed, see above for reason */
	u8 tphrdesc_ena;
	u8 tphwdesc_ena;
	u8 tphdata_ena;
	u8 tphhead_ena;
	u16 lrxqthresh; /* bigger than needed, see above for reason */
	u8 prefena;	/* NOTE: normally must be set to 1 at init */
};

struct ice_ctx_ele {
	u16 offset;
	u16 size_of;
	u16 width;
	u16 lsb;
};

#define ICE_CTX_STORE(_struct, _ele, _width, _lsb) {	\
	.offset = offsetof(struct _struct, _ele),	\
	.size_of = sizeof_field(struct _struct, _ele),	\
	.width = _width,				\
	.lsb = _lsb,					\
}

/* for hsplit_0 field of Rx RLAN context */
enum ice_rlan_ctx_rx_hsplit_0 {
	ICE_RLAN_RX_HSPLIT_0_NO_SPLIT		= 0,
	ICE_RLAN_RX_HSPLIT_0_SPLIT_L2		= 1,
	ICE_RLAN_RX_HSPLIT_0_SPLIT_IP		= 2,
	ICE_RLAN_RX_HSPLIT_0_SPLIT_TCP_UDP	= 4,
	ICE_RLAN_RX_HSPLIT_0_SPLIT_SCTP		= 8,
};

/* for hsplit_1 field of Rx RLAN context */
enum ice_rlan_ctx_rx_hsplit_1 {
	ICE_RLAN_RX_HSPLIT_1_NO_SPLIT		= 0,
	ICE_RLAN_RX_HSPLIT_1_SPLIT_L2		= 1,
	ICE_RLAN_RX_HSPLIT_1_SPLIT_ALWAYS	= 2,
};

/* Tx Descriptor */
struct ice_tx_desc {
	__le64 buf_addr; /* Address of descriptor's data buf */
	__le64 cmd_type_offset_bsz;
};

enum ice_tx_desc_dtype_value {
	ICE_TX_DESC_DTYPE_DATA		= 0x0,
	ICE_TX_DESC_DTYPE_CTX		= 0x1,
	ICE_TX_DESC_DTYPE_FLTR_PROG	= 0x8,
	/* DESC_DONE - HW has completed write-back of descriptor */
	ICE_TX_DESC_DTYPE_DESC_DONE	= 0xF,
};

#define ICE_TXD_QW1_CMD_S	4
#define ICE_TXD_QW1_CMD_M	(0xFFFUL << ICE_TXD_QW1_CMD_S)

enum ice_tx_desc_cmd_bits {
	ICE_TX_DESC_CMD_EOP			= 0x0001,
	ICE_TX_DESC_CMD_RS			= 0x0002,
	ICE_TX_DESC_CMD_IL2TAG1			= 0x0008,
	ICE_TX_DESC_CMD_DUMMY			= 0x0010,
	ICE_TX_DESC_CMD_IIPT_IPV6		= 0x0020,
	ICE_TX_DESC_CMD_IIPT_IPV4		= 0x0040,
	ICE_TX_DESC_CMD_IIPT_IPV4_CSUM		= 0x0060,
	ICE_TX_DESC_CMD_L4T_EOFT_TCP		= 0x0100,
	ICE_TX_DESC_CMD_L4T_EOFT_SCTP		= 0x0200,
	ICE_TX_DESC_CMD_L4T_EOFT_UDP		= 0x0300,
	ICE_TX_DESC_CMD_RE			= 0x0400,
};

#define ICE_TXD_QW1_OFFSET_S	16
#define ICE_TXD_QW1_OFFSET_M	(0x3FFFFULL << ICE_TXD_QW1_OFFSET_S)

enum ice_tx_desc_len_fields {
	/* Note: These are predefined bit offsets */
	ICE_TX_DESC_LEN_MACLEN_S	= 0, /* 7 BITS */
	ICE_TX_DESC_LEN_IPLEN_S	= 7, /* 7 BITS */
	ICE_TX_DESC_LEN_L4_LEN_S	= 14 /* 4 BITS */
};

#define ICE_TXD_QW1_MACLEN_M (0x7FUL << ICE_TX_DESC_LEN_MACLEN_S)
#define ICE_TXD_QW1_IPLEN_M  (0x7FUL << ICE_TX_DESC_LEN_IPLEN_S)
#define ICE_TXD_QW1_L4LEN_M  (0xFUL << ICE_TX_DESC_LEN_L4_LEN_S)

/* Tx descriptor field limits in bytes */
#define ICE_TXD_MACLEN_MAX ((ICE_TXD_QW1_MACLEN_M >> \
			     ICE_TX_DESC_LEN_MACLEN_S) * ICE_BYTES_PER_WORD)
#define ICE_TXD_IPLEN_MAX ((ICE_TXD_QW1_IPLEN_M >> \
			    ICE_TX_DESC_LEN_IPLEN_S) * ICE_BYTES_PER_DWORD)
#define ICE_TXD_L4LEN_MAX ((ICE_TXD_QW1_L4LEN_M >> \
			    ICE_TX_DESC_LEN_L4_LEN_S) * ICE_BYTES_PER_DWORD)

#define ICE_TXD_QW1_TX_BUF_SZ_S	34
#define ICE_TXD_QW1_L2TAG1_S	48

/* Context descriptors */
struct ice_tx_ctx_desc {
	__le32 tunneling_params;
	__le16 l2tag2;
	__le16 rsvd;
	__le64 qw1;
};

#define ICE_TXD_CTX_QW1_CMD_S	4
#define ICE_TXD_CTX_QW1_CMD_M	(0x7FUL << ICE_TXD_CTX_QW1_CMD_S)

#define ICE_TXD_CTX_QW1_TSO_LEN_S	30
#define ICE_TXD_CTX_QW1_TSO_LEN_M	\
			(0x3FFFFULL << ICE_TXD_CTX_QW1_TSO_LEN_S)

#define ICE_TXD_CTX_QW1_MSS_S	50
#define ICE_TXD_CTX_MIN_MSS	64

#define ICE_TXD_CTX_QW1_VSI_S	50
#define ICE_TXD_CTX_QW1_VSI_M	(0x3FFULL << ICE_TXD_CTX_QW1_VSI_S)

enum ice_tx_ctx_desc_cmd_bits {
	ICE_TX_CTX_DESC_TSO		= 0x01,
	ICE_TX_CTX_DESC_TSYN		= 0x02,
	ICE_TX_CTX_DESC_IL2TAG2		= 0x04,
	ICE_TX_CTX_DESC_IL2TAG2_IL2H	= 0x08,
	ICE_TX_CTX_DESC_SWTCH_NOTAG	= 0x00,
	ICE_TX_CTX_DESC_SWTCH_UPLINK	= 0x10,
	ICE_TX_CTX_DESC_SWTCH_LOCAL	= 0x20,
	ICE_TX_CTX_DESC_SWTCH_VSI	= 0x30,
	ICE_TX_CTX_DESC_RESERVED	= 0x40
};

enum ice_tx_ctx_desc_eipt_offload {
	ICE_TX_CTX_EIPT_NONE		= 0x0,
	ICE_TX_CTX_EIPT_IPV6		= 0x1,
	ICE_TX_CTX_EIPT_IPV4_NO_CSUM	= 0x2,
	ICE_TX_CTX_EIPT_IPV4		= 0x3
};

#define ICE_TXD_CTX_QW0_EIPLEN_S	2

#define ICE_TXD_CTX_QW0_L4TUNT_S	9

#define ICE_TXD_CTX_UDP_TUNNELING	BIT_ULL(ICE_TXD_CTX_QW0_L4TUNT_S)
#define ICE_TXD_CTX_GRE_TUNNELING	(0x2ULL << ICE_TXD_CTX_QW0_L4TUNT_S)

#define ICE_TXD_CTX_QW0_NATLEN_S	12

#define ICE_TXD_CTX_QW0_L4T_CS_S	23
#define ICE_TXD_CTX_QW0_L4T_CS_M	BIT_ULL(ICE_TXD_CTX_QW0_L4T_CS_S)

#define ICE_LAN_TXQ_MAX_QGRPS	127
#define ICE_LAN_TXQ_MAX_QDIS	1023

/* Tx queue context data
 *
 * The sizes of the variables may be larger than needed due to crossing byte
 * boundaries. If we do not have the width of the variable set to the correct
 * size then we could end up shifting bits off the top of the variable when the
 * variable is at the top of a byte and crosses over into the next byte.
 */
struct ice_tlan_ctx {
#define ICE_TLAN_CTX_BASE_S	7
	u64 base;		/* base is defined in 128-byte units */
	u8 port_num;
	u16 cgd_num;		/* bigger than needed, see above for reason */
	u8 pf_num;
	u16 vmvf_num;
	u8 vmvf_type;
#define ICE_TLAN_CTX_VMVF_TYPE_VF	0
#define ICE_TLAN_CTX_VMVF_TYPE_VMQ	1
#define ICE_TLAN_CTX_VMVF_TYPE_PF	2
	u16 src_vsi;
	u8 tsyn_ena;
	u8 internal_usage_flag;
	u8 alt_vlan;
	u16 cpuid;		/* bigger than needed, see above for reason */
	u8 wb_mode;
	u8 tphrd_desc;
	u8 tphrd;
	u8 tphwr_desc;
	u16 cmpq_id;
	u16 qnum_in_func;
	u8 itr_notification_mode;
	u8 adjust_prof_id;
	u32 qlen;		/* bigger than needed, see above for reason */
	u8 quanta_prof_idx;
	u8 tso_ena;
	u16 tso_qnum;
	u8 legacy_int;
	u8 drop_ena;
	u8 cache_prof_idx;
	u8 pkt_shaper_prof_idx;
	u8 int_q_state;	/* width not needed - internal - DO NOT WRITE!!! */
};

#endif /* _ICE_LAN_TX_RX_H_ */