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eth_common.h
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/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * Copyright (c) 2019-2020 Marvell International Ltd. */ #ifndef __ETH_COMMON__ #define __ETH_COMMON__ /********************/ /* ETH FW CONSTANTS */ /********************/ #define ETH_HSI_VER_MAJOR 3 #define ETH_HSI_VER_MINOR 11 #define ETH_HSI_VER_NO_PKT_LEN_TUNN 5 /* Maximum number of pinned L2 connections (CIDs) */ #define ETH_PINNED_CONN_MAX_NUM 32 #define ETH_CACHE_LINE_SIZE 64 #define ETH_RX_CQE_GAP 32 #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_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253 #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251 #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1 #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18 #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255 #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_MIN_BDS_PER_PKT_W_VPORT_FORWARDING 4 #define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8)) #define ETH_TX_MAX_LSO_HDR_BYTES 510 #define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1) #define ETH_TX_LSO_WINDOW_MIN_LEN 9700 #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000 #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320 #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS #define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE \ (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS / 2) #define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE \ (ETH_NUM_STATISTIC_COUNTERS - 3 * MAX_NUM_VFS / 4) #define ETH_RX_MAX_BUFF_PER_PKT 5 #define ETH_RX_BD_THRESHOLD 16 /* 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_IND_TABLE_MASK_SIZE_REGS (ETH_RSS_IND_TABLE_ENTRIES_NUM / 32) #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_BW_LEN_LIST_SIZE 2 #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6 #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4 /* Control frame check constants */ #define ETH_CTL_FRAME_ETH_TYPE_NUM 4 /* GFS constants */ #define ETH_GFT_TRASHCAN_VPORT 0x1FF /* GFT drop flow vport number */ /* Destination port mode */ enum dst_port_mode { DST_PORT_PHY, DST_PORT_LOOPBACK, DST_PORT_PHY_LOOPBACK, DST_PORT_DROP, MAX_DST_PORT_MODE }; /* Ethernet address type */ enum eth_addr_type { BROADCAST_ADDRESS, MULTICAST_ADDRESS, UNICAST_ADDRESS, UNKNOWN_ADDRESS, MAX_ETH_ADDR_TYPE }; 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_FLAG_MASK 0x1 #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_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_PKT_LEN_MASK 0x3FFF #define ETH_TX_DATA_1ST_BD_PKT_LEN_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_DST_PORT_MODE_MASK 0x3 #define ETH_TX_DATA_2ND_BD_DST_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 }; /* Firmware data for L2-EDPM packet */ struct eth_edpm_fw_data { struct eth_tx_data_1st_bd data_1st_bd; struct eth_tx_data_2nd_bd data_2nd_bd; __le32 reserved; }; /* Tunneling parsing flags */ struct eth_tunnel_parsing_flags { u8 flags; #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1 #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3 #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1 #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1 #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7 }; /* PMD flow control bits */ struct eth_pmd_flow_flags { u8 flags; #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0 #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1 #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2 }; /* 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 eth_tunnel_parsing_flags tunnel_pars_flags; u8 bd_num; u8 reserved; __le16 reserved2; __le32 flow_id_or_resource_id; u8 reserved1[7]; struct eth_pmd_flow_flags pmd_flags; }; /* 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; u8 reserved1; __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE]; u8 reserved3[3]; struct eth_pmd_flow_flags pmd_flags; }; /* 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]; __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE]; __le16 reserved1; u8 reserved2; struct eth_pmd_flow_flags pmd_flags; }; /* 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 eth_tunnel_parsing_flags tunnel_pars_flags; u8 tpa_agg_index; u8 header_len; __le16 bw_ext_bd_len_list[ETH_TPA_CQE_START_BW_LEN_LIST_SIZE]; __le16 reserved2; __le32 flow_id_or_resource_id; u8 reserved[3]; struct eth_pmd_flow_flags pmd_flags; }; /* 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; struct eth_pmd_flow_flags pmd_flags; }; /* 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 }; struct eth_rx_pmd_cqe { union eth_rx_cqe cqe; u8 reserved[ETH_RX_CQE_GAP]; }; enum eth_rx_tunn_type { ETH_RX_NO_TUNN, ETH_RX_TUNN_GENEVE, ETH_RX_TUNN_GRE, ETH_RX_TUNN_VXLAN, MAX_ETH_RX_TUNN_TYPE }; /* Aggregation end reason. */ enum eth_tpa_end_reason { ETH_AGG_END_UNUSED, ETH_AGG_END_SP_UPDATE, ETH_AGG_END_MAX_LEN, ETH_AGG_END_LAST_SEG, ETH_AGG_END_TIMEOUT, ETH_AGG_END_NOT_CONSISTENT, ETH_AGG_END_OUT_OF_ORDER, ETH_AGG_END_NON_TPA_SEG, MAX_ETH_TPA_END_REASON }; /* 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; }; /* The parsing information data for the forth tx bd of a given packet. */ struct eth_tx_data_4th_bd { u8 dst_vport_id; u8 reserved4; __le16 bitfields; #define ETH_TX_DATA_4TH_BD_DST_VPORT_ID_VALID_MASK 0x1 #define ETH_TX_DATA_4TH_BD_DST_VPORT_ID_VALID_SHIFT 0 #define ETH_TX_DATA_4TH_BD_RESERVED1_MASK 0x7F #define ETH_TX_DATA_4TH_BD_RESERVED1_SHIFT 1 #define ETH_TX_DATA_4TH_BD_START_BD_MASK 0x1 #define ETH_TX_DATA_4TH_BD_START_BD_SHIFT 8 #define ETH_TX_DATA_4TH_BD_RESERVED2_MASK 0x7F #define ETH_TX_DATA_4TH_BD_RESERVED2_SHIFT 9 __le16 reserved3; }; /* The forth tx bd of a given packet */ struct eth_tx_4th_bd { struct regpair addr; /* Single continuous buffer */ __le16 nbytes; /* Number of bytes in this BD */ struct eth_tx_data_4th_bd data; /* Parsing information 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_4th_bd fourth_bd; struct eth_tx_bd reg_bd; }; /* Mstorm Queue Zone */ enum eth_tx_tunn_type { ETH_TX_TUNN_GENEVE, ETH_TX_TUNN_TTAG, ETH_TX_TUNN_GRE, ETH_TX_TUNN_VXLAN, MAX_ETH_TX_TUNN_TYPE }; /* Mstorm Queue Zone */ struct mstorm_eth_queue_zone { struct eth_rx_prod_data rx_producers; __le32 reserved[3]; }; /* Ystorm Queue Zone */ struct xstorm_eth_queue_zone { struct coalescing_timeset int_coalescing_timeset; u8 reserved[7]; }; /* 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; }; /* RSS hash type */ enum rss_hash_type { RSS_HASH_TYPE_DEFAULT = 0, RSS_HASH_TYPE_IPV4 = 1, RSS_HASH_TYPE_TCP_IPV4 = 2, RSS_HASH_TYPE_IPV6 = 3, RSS_HASH_TYPE_TCP_IPV6 = 4, RSS_HASH_TYPE_UDP_IPV4 = 5, RSS_HASH_TYPE_UDP_IPV6 = 6, MAX_RSS_HASH_TYPE }; #endif /* __ETH_COMMON__ */