Release 4.7 include/linux/qed/eth_common.h
/* QLogic qed NIC Driver
* Copyright (c) 2015 QLogic Corporation
*
* This software is available under the terms of the GNU General Public License
* (GPL) Version 2, available from the file COPYING in the main directory of
* this source tree.
*/
#ifndef __ETH_COMMON__
#define __ETH_COMMON__
/********************/
/* ETH FW CONSTANTS */
/********************/
#define ETH_CACHE_LINE_SIZE 64
#define ETH_MAX_RAMROD_PER_CON 8
#define ETH_TX_BD_PAGE_SIZE_BYTES 4096
#define ETH_RX_BD_PAGE_SIZE_BYTES 4096
#define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
#define ETH_RX_NUM_NEXT_PAGE_BDS 2
#define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
#define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
#define ETH_TX_MAX_LSO_HDR_NBD 4
#define ETH_TX_MIN_BDS_PER_LSO_PKT 3
#define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3
#define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2
#define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2
#define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 12 + 8))
#define ETH_TX_MAX_LSO_HDR_BYTES 510
#define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS
/* Maximum number of buffers, used for RX packet placement */
#define ETH_RX_MAX_BUFF_PER_PKT 5
/* num of MAC/VLAN filters */
#define ETH_NUM_MAC_FILTERS 512
#define ETH_NUM_VLAN_FILTERS 512
/* approx. multicast constants */
#define ETH_MULTICAST_BIN_FROM_MAC_SEED 0
#define ETH_MULTICAST_MAC_BINS 256
#define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32)
/* ethernet vport update constants */
#define ETH_FILTER_RULES_COUNT 10
#define ETH_RSS_IND_TABLE_ENTRIES_NUM 128
#define ETH_RSS_KEY_SIZE_REGS 10
#define ETH_RSS_ENGINE_NUM_K2 207
#define ETH_RSS_ENGINE_NUM_BB 127
/* TPA constants */
#define ETH_TPA_MAX_AGGS_NUM 64
#define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT
#define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6
#define ETH_TPA_CQE_END_LEN_LIST_SIZE 4
/* Queue Zone sizes */
#define TSTORM_QZONE_SIZE 0
#define MSTORM_QZONE_SIZE sizeof(struct mstorm_eth_queue_zone)
#define USTORM_QZONE_SIZE sizeof(struct ustorm_eth_queue_zone)
#define XSTORM_QZONE_SIZE 0
#define YSTORM_QZONE_SIZE sizeof(struct ystorm_eth_queue_zone)
#define PSTORM_QZONE_SIZE 0
/* Interrupt coalescing TimeSet */
struct coalescing_timeset {
u8 timeset;
u8 valid;
};
struct eth_tx_1st_bd_flags {
u8 bitfields;
#define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
#define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
#define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
#define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
#define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
#define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
#define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
#define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1
#define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
};
/* The parsing information data fo rthe first tx bd of a given packet. */
struct eth_tx_data_1st_bd {
__le16 vlan;
u8 nbds;
struct eth_tx_1st_bd_flags bd_flags;
__le16 bitfields;
#define ETH_TX_DATA_1ST_BD_TUNN_CFG_OVERRIDE_MASK 0x1
#define ETH_TX_DATA_1ST_BD_TUNN_CFG_OVERRIDE_SHIFT 0
#define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1
#define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1
#define ETH_TX_DATA_1ST_BD_FW_USE_ONLY_MASK 0x3FFF
#define ETH_TX_DATA_1ST_BD_FW_USE_ONLY_SHIFT 2
};
/* The parsing information data for the second tx bd of a given packet. */
struct eth_tx_data_2nd_bd {
__le16 tunn_ip_size;
__le16 bitfields1;
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
#define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3
#define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
#define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1
#define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
#define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3
#define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1
#define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
#define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1
#define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
#define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1
#define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
#define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1
#define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
#define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1
#define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
__le16 bitfields2;
#define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF
#define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
#define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
#define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13
};
/* Regular ETH Rx FP CQE. */
struct eth_fast_path_rx_reg_cqe {
u8 type;
u8 bitfields;
#define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7
#define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
#define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF
#define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
#define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
#define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7
__le16 pkt_len;
struct parsing_and_err_flags pars_flags;
__le16 vlan_tag;
__le32 rss_hash;
__le16 len_on_first_bd;
u8 placement_offset;
struct tunnel_parsing_flags tunnel_pars_flags;
u8 bd_num;
u8 reserved[7];
u32 fw_debug;
u8 reserved1[3];
u8 flags;
#define ETH_FAST_PATH_RX_REG_CQE_VALID_MASK 0x1
#define ETH_FAST_PATH_RX_REG_CQE_VALID_SHIFT 0
#define ETH_FAST_PATH_RX_REG_CQE_VALID_TOGGLE_MASK 0x1
#define ETH_FAST_PATH_RX_REG_CQE_VALID_TOGGLE_SHIFT 1
#define ETH_FAST_PATH_RX_REG_CQE_RESERVED2_MASK 0x3F
#define ETH_FAST_PATH_RX_REG_CQE_RESERVED2_SHIFT 2
};
/* TPA-continue ETH Rx FP CQE. */
struct eth_fast_path_rx_tpa_cont_cqe {
u8 type;
u8 tpa_agg_index;
__le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
u8 reserved[5];
u8 reserved1;
__le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
};
/* TPA-end ETH Rx FP CQE. */
struct eth_fast_path_rx_tpa_end_cqe {
u8 type;
u8 tpa_agg_index;
__le16 total_packet_len;
u8 num_of_bds;
u8 end_reason;
__le16 num_of_coalesced_segs;
__le32 ts_delta;
__le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE];
u8 reserved1[3];
u8 reserved2;
__le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE];
};
/* TPA-start ETH Rx FP CQE. */
struct eth_fast_path_rx_tpa_start_cqe {
u8 type;
u8 bitfields;
#define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7
#define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
#define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF
#define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
#define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
#define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
__le16 seg_len;
struct parsing_and_err_flags pars_flags;
__le16 vlan_tag;
__le32 rss_hash;
__le16 len_on_first_bd;
u8 placement_offset;
struct tunnel_parsing_flags tunnel_pars_flags;
u8 tpa_agg_index;
u8 header_len;
__le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE];
u32 fw_debug;
};
/* The L4 pseudo checksum mode for Ethernet */
enum eth_l4_pseudo_checksum_mode {
ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH,
ETH_L4_PSEUDO_CSUM_ZERO_LENGTH,
MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
};
struct eth_rx_bd {
struct regpair addr;
};
/* regular ETH Rx SP CQE */
struct eth_slow_path_rx_cqe {
u8 type;
u8 ramrod_cmd_id;
u8 error_flag;
u8 reserved[25];
__le16 echo;
u8 reserved1;
u8 flags;
/* for PMD mode - valid indication */
#define ETH_SLOW_PATH_RX_CQE_VALID_MASK 0x1
#define ETH_SLOW_PATH_RX_CQE_VALID_SHIFT 0
/* for PMD mode - valid toggle indication */
#define ETH_SLOW_PATH_RX_CQE_VALID_TOGGLE_MASK 0x1
#define ETH_SLOW_PATH_RX_CQE_VALID_TOGGLE_SHIFT 1
#define ETH_SLOW_PATH_RX_CQE_RESERVED2_MASK 0x3F
#define ETH_SLOW_PATH_RX_CQE_RESERVED2_SHIFT 2
};
/* union for all ETH Rx CQE types */
union eth_rx_cqe {
struct eth_fast_path_rx_reg_cqe fast_path_regular;
struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start;
struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont;
struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end;
struct eth_slow_path_rx_cqe slow_path;
};
/* ETH Rx CQE type */
enum eth_rx_cqe_type {
ETH_RX_CQE_TYPE_UNUSED,
ETH_RX_CQE_TYPE_REGULAR,
ETH_RX_CQE_TYPE_SLOW_PATH,
ETH_RX_CQE_TYPE_TPA_START,
ETH_RX_CQE_TYPE_TPA_CONT,
ETH_RX_CQE_TYPE_TPA_END,
MAX_ETH_RX_CQE_TYPE
};
/* ETH Rx producers data */
struct eth_rx_prod_data {
__le16 bd_prod;
__le16 cqe_prod;
__le16 reserved;
__le16 reserved1;
};
/* The first tx bd of a given packet */
struct eth_tx_1st_bd {
struct regpair addr;
__le16 nbytes;
struct eth_tx_data_1st_bd data;
};
/* The second tx bd of a given packet */
struct eth_tx_2nd_bd {
struct regpair addr;
__le16 nbytes;
struct eth_tx_data_2nd_bd data;
};
/* The parsing information data for the third tx bd of a given packet. */
struct eth_tx_data_3rd_bd {
__le16 lso_mss;
__le16 bitfields;
#define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF
#define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
#define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF
#define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
#define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1
#define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
#define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
#define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
u8 tunn_l4_hdr_start_offset_w;
u8 tunn_hdr_size_w;
};
/* The third tx bd of a given packet */
struct eth_tx_3rd_bd {
struct regpair addr;
__le16 nbytes;
struct eth_tx_data_3rd_bd data;
};
/* Complementary information for the regular tx bd of a given packet. */
struct eth_tx_data_bd {
__le16 reserved0;
__le16 bitfields;
#define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
#define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
#define ETH_TX_DATA_BD_START_BD_MASK 0x1
#define ETH_TX_DATA_BD_START_BD_SHIFT 8
#define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
#define ETH_TX_DATA_BD_RESERVED2_SHIFT 9
__le16 reserved3;
};
/* The common non-special TX BD ring element */
struct eth_tx_bd {
struct regpair addr;
__le16 nbytes;
struct eth_tx_data_bd data;
};
union eth_tx_bd_types {
struct eth_tx_1st_bd first_bd;
struct eth_tx_2nd_bd second_bd;
struct eth_tx_3rd_bd third_bd;
struct eth_tx_bd reg_bd;
};
/* Mstorm Queue Zone */
struct mstorm_eth_queue_zone {
struct eth_rx_prod_data rx_producers;
__le32 reserved[2];
};
/* Ustorm Queue Zone */
struct ustorm_eth_queue_zone {
struct coalescing_timeset int_coalescing_timeset;
__le16 reserved[3];
};
/* Ystorm Queue Zone */
struct ystorm_eth_queue_zone {
struct coalescing_timeset int_coalescing_timeset;
__le16 reserved[3];
};
/* ETH doorbell data */
struct eth_db_data {
u8 params;
#define ETH_DB_DATA_DEST_MASK 0x3
#define ETH_DB_DATA_DEST_SHIFT 0
#define ETH_DB_DATA_AGG_CMD_MASK 0x3
#define ETH_DB_DATA_AGG_CMD_SHIFT 2
#define ETH_DB_DATA_BYPASS_EN_MASK 0x1
#define ETH_DB_DATA_BYPASS_EN_SHIFT 4
#define ETH_DB_DATA_RESERVED_MASK 0x1
#define ETH_DB_DATA_RESERVED_SHIFT 5
#define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3
#define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6
u8 agg_flags;
__le16 bd_prod;
};
#endif /* __ETH_COMMON__ */
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