diff options
Diffstat (limited to 'drivers/net/qede/base/eth_common.h')
| -rw-r--r-- | drivers/net/qede/base/eth_common.h | 439 |
1 files changed, 286 insertions, 153 deletions
diff --git a/drivers/net/qede/base/eth_common.h b/drivers/net/qede/base/eth_common.h index 046bbb20..32130709 100644 --- a/drivers/net/qede/base/eth_common.h +++ b/drivers/net/qede/base/eth_common.h @@ -11,60 +11,103 @@ /********************/ /* ETH FW CONSTANTS */ /********************/ + +/* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major && + * fwVer.minor >= drvVer.minor) + */ +/* ETH FP HSI Major version */ +#define ETH_HSI_VER_MAJOR 3 +/* ETH FP HSI Minor version */ +#define ETH_HSI_VER_MINOR 10 + +/* Alias for 8.7.x.x/8.8.x.x ETH FP HSI MINOR version. In this version driver + * is not required to set pkt_len field in eth_tx_1st_bd struct, and tunneling + * offload is not supported. + */ +#define ETH_HSI_VER_NO_PKT_LEN_TUNN 5 + #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_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_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_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 +/* (QM_REG_TASKBYTECRDCOST_0, QM_VOQ_BYTE_CRD_TASK_COST) - + * (VLAN-TAG + CRC + IPG + PREAMBLE) + */ +#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 +/* Number of BDs to consider for LSO sliding window restriction is + * (ETH_TX_LSO_WINDOW_BDS_NUM - hdr_nbd) + */ +#define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1) +/* Minimum data length (in bytes) in LSO sliding window */ #define ETH_TX_LSO_WINDOW_MIN_LEN 9700 -#define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFFFF - -#define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS - +/* Maximum LSO packet TCP payload length (in bytes) */ +#define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000 +/* Number of same-as-last resources in tx switching */ +#define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320 +/* Value for a connection for which same as last feature is disabled */ +#define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF + +/* Maximum number of statistics counters */ +#define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS +/* Maximum number of statistics counters when doubled VF zone used */ +#define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE \ + (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS / 2) +/* Maximum number of statistics counters when quad VF zone used */ +#define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE \ + (ETH_NUM_STATISTIC_COUNTERS - 3 * MAX_NUM_VFS / 4) + +/* 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 +#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) +/* CRC seed for multicast bin calculation */ +#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_FILTER_RULES_COUNT 10 +/* number of RSS indirection table entries, per Vport) */ +#define ETH_RSS_IND_TABLE_ENTRIES_NUM 128 +/* Length of RSS key (in regs) */ +#define ETH_RSS_KEY_SIZE_REGS 10 +/* number of available RSS engines in K2 */ #define ETH_RSS_ENGINE_NUM_K2 207 +/* number of available RSS engines in BB */ #define ETH_RSS_ENGINE_NUM_BB 127 /* TPA constants */ +/* Maximum number of open TPA aggregations */ #define ETH_TPA_MAX_AGGS_NUM 64 +/* Maximum number of additional buffers, reported by TPA-start CQE */ #define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT +/* Maximum number of buffers, reported by TPA-continue CQE */ #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6 +/* Maximum number of buffers, reported by TPA-end CQE */ #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4 -/* - * Interrupt coalescing TimeSet - */ -struct coalescing_timeset { - u8 timeset; - u8 valid /* Only if this flag is set, timeset will take effect */; -}; +/* Control frame check constants */ +/* Number of etherType values configured by driver for control frame check */ +#define ETH_CTL_FRAME_ETH_TYPE_NUM 4 + + /* * Destination port mode @@ -77,6 +120,7 @@ enum dest_port_mode { MAX_DEST_PORT_MODE }; + /* * Ethernet address type */ @@ -88,22 +132,31 @@ enum eth_addr_type { MAX_ETH_ADDR_TYPE }; + struct eth_tx_1st_bd_flags { u8 bitfields; +/* Set to 1 in the first BD. (for debug) */ #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0 +/* Do not allow additional VLAN manipulations on this packet. */ #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1 +/* IP checksum recalculation in needed */ #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2 +/* TCP/UDP checksum recalculation in needed */ #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3 +/* If set, need to add the VLAN in vlan field to the packet. */ #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4 +/* If set, this is an LSO packet. */ #define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5 +/* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */ #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6 +/* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */ #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1 #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7 }; @@ -112,48 +165,71 @@ struct eth_tx_1st_bd_flags { * The parsing information data for the first tx bd of a given packet. */ struct eth_tx_data_1st_bd { - __le16 vlan /* VLAN to insert to packet (if needed). */; - /* Number of BDs in packet. Should be at least 2 in non-LSO - * packet and at least 3 in LSO (or Tunnel with IPv6+ext) packet. - */ + __le16 vlan /* VLAN tag to insert to packet (if needed). */; +/* Number of BDs in packet. Should be at least 2 in non-LSO packet and at least + * 3 in LSO (or Tunnel with IPv6+ext) packet. + */ 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 +/* Indicates a tunneled packet. Must be set for encapsulated packet. */ +#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 +/* Total packet length - must be filled for non-LSO packets. */ +#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 { +/* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */ __le16 tunn_ip_size; __le16 bitfields1; +/* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */ #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 +/* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type + * (use enum eth_addr_type) + */ #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4 +/* Destination port mode. (use enum dest_port_mode) */ #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3 #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6 +/* Should be 0 in all the BDs, except the first one. (for debug) */ #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1 #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8 +/* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */ #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3 #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9 +/* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */ #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1 #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11 +/* For LSO / Tunnel header with IPv6+ext - Set if outer header has IPv6+ext */ #define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1 #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12 +/* Set if Tunnel header has IPv6 ext. (3rd BD is required) */ #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1 #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13 +/* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with + * inner or outer Ipv6+ext) and l4_csum is set) + */ #define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1 #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14 +/* The pseudo header checksum type in the L4 checksum field. Required when + * IPv6+ext and l4_csum is set. (use enum eth_l4_pseudo_checksum_mode) + */ #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; +/* For inner/outer header IPv6+ext - (inner) L4 header offset (in 2-byte WORDs). + * For regular packet - offset from the beginning of the packet. For tunneled + * packet - offset from the beginning of the inner header + */ #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 @@ -164,36 +240,63 @@ struct eth_tx_data_2nd_bd { * Firmware data for L2-EDPM packet. */ struct eth_edpm_fw_data { - struct eth_tx_data_1st_bd data_1st_bd - /* Parsing information data from the 1st BD. */; - struct eth_tx_data_2nd_bd data_2nd_bd - /* Parsing information data from the 2nd BD. */; +/* Parsing information data from the 1st BD. */ + struct eth_tx_data_1st_bd data_1st_bd; +/* Parsing information data from the 2nd BD. */ + struct eth_tx_data_2nd_bd data_2nd_bd; __le32 reserved; }; + /* * FW debug. */ struct eth_fast_path_cqe_fw_debug { - u8 reserved0 /* FW reserved. */; - u8 reserved1 /* FW reserved. */; __le16 reserved2 /* FW reserved. */; }; -struct tunnel_parsing_flags { + +/* + * tunneling parsing flags + */ +struct eth_tunnel_parsing_flags { u8 flags; -#define TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 -#define TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0 -#define TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1 -#define TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2 -#define TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3 -#define TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3 -#define TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1 -#define TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5 -#define TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1 -#define TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6 -#define TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1 -#define TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7 +/* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN + * (use enum eth_rx_tunn_type) + */ +#define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 +#define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0 +/* If it s not an encapsulated packet then put 0x0. If it s an encapsulated + * packet but the tenant-id doesn t exist then put 0x0. Else put 0x1 + * + */ +#define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1 +#define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2 +/* Type of the next header above the tunneling: 0 - unknown, 1 - L2, 2 - Ipv4, + * 3 - IPv6 (use enum tunnel_next_protocol) + */ +#define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3 +#define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3 +/* The result of comparing the DA-ip of the tunnel header. */ +#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 /* CQE valid bit */ +#define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0 +#define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */ +#define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1 +#define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F +#define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2 }; /* @@ -202,47 +305,47 @@ struct tunnel_parsing_flags { struct eth_fast_path_rx_reg_cqe { u8 type /* CQE type */; u8 bitfields; +/* Type of calculated RSS hash (use enum rss_hash_type) */ #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7 #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0 +/* Traffic Class */ #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 /* Total packet length (from the parser) */; - struct parsing_and_err_flags pars_flags - /* Parsing and error flags from the parser */; +/* Parsing and error flags from the parser */ + struct parsing_and_err_flags pars_flags; __le16 vlan_tag /* 802.1q VLAN tag */; __le32 rss_hash /* RSS hash result */; __le16 len_on_first_bd /* Number of bytes placed on first BD */; u8 placement_offset /* Offset of placement from BD start */; - struct tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */ - ; +/* Tunnel Parsing Flags */ + struct eth_tunnel_parsing_flags tunnel_pars_flags; u8 bd_num /* Number of BDs, used for packet */; - u8 reserved[7]; + u8 reserved[9]; struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */; 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 + struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; }; + /* * TPA-continue ETH Rx FP CQE. */ struct eth_fast_path_rx_tpa_cont_cqe { u8 type /* CQE type */; u8 tpa_agg_index /* TPA aggregation index */; - __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] - /* List of the segment sizes */; - u8 reserved[5]; +/* List of the segment sizes */ + __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE]; + u8 reserved; u8 reserved1 /* FW reserved. */; __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */; + u8 reserved3[3]; + struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; }; + /* * TPA-end ETH Rx FP CQE . */ @@ -251,64 +354,72 @@ struct eth_fast_path_rx_tpa_end_cqe { u8 tpa_agg_index /* TPA aggregation index */; __le16 total_packet_len /* Total aggregated packet length */; u8 num_of_bds /* Total number of BDs comprising the packet */; - u8 end_reason /* Aggregation end reason. Use enum eth_tpa_end_reason */ - ; +/* Aggregation end reason. Use enum eth_tpa_end_reason */ + u8 end_reason; __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */; __le32 ts_delta /* TCP timestamp delta */; - __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE] - /* List of the segment sizes */; - u8 reserved1[3]; - u8 reserved2 /* FW reserved. */; +/* List of the segment sizes */ + __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE]; __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */; + __le16 reserved1; + u8 reserved2 /* FW reserved. */; + struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; }; + /* * TPA-start ETH Rx FP CQE. */ struct eth_fast_path_rx_tpa_start_cqe { u8 type /* CQE type */; u8 bitfields; +/* Type of calculated RSS hash (use enum rss_hash_type) */ #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 +/* Traffic Class */ #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 /* Segment length (packetLen from the parser) */; - struct parsing_and_err_flags pars_flags - /* Parsing and error flags from the parser */; +/* Parsing and error flags from the parser */ + struct parsing_and_err_flags pars_flags; __le16 vlan_tag /* 802.1q VLAN tag */; __le32 rss_hash /* RSS hash result */; __le16 len_on_first_bd /* Number of bytes placed on first BD */; u8 placement_offset /* Offset of placement from BD start */; - struct tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */ - ; +/* Tunnel Parsing Flags */ + struct eth_tunnel_parsing_flags tunnel_pars_flags; u8 tpa_agg_index /* TPA aggregation index */; u8 header_len /* Packet L2+L3+L4 header length */; - __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE] - /* Additional BDs length list. */; +/* Additional BDs length list. */ + __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE]; struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */; + u8 reserved; + struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; }; + /* * The L4 pseudo checksum mode for Ethernet */ enum eth_l4_pseudo_checksum_mode { - ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH - /* Pseudo Header checksum on packet is calculated - * with the correct packet length field. - */ - , - ETH_L4_PSEUDO_CSUM_ZERO_LENGTH - /* Pseudo Hdr checksum on packet is calc with zero len field. */ - , +/* Pseudo Header checksum on packet is calculated with the correct packet length + * field. + */ + ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH, +/* Pseudo Header checksum on packet is calculated with zero length field. */ + ETH_L4_PSEUDO_CSUM_ZERO_LENGTH, MAX_ETH_L4_PSEUDO_CHECKSUM_MODE }; + + struct eth_rx_bd { struct regpair addr /* single continues buffer */; }; + /* * regular ETH Rx SP CQE */ @@ -319,29 +430,25 @@ struct eth_slow_path_rx_cqe { u8 reserved[25]; __le16 echo; u8 reserved1; - u8 flags; -#define ETH_SLOW_PATH_RX_CQE_VALID_MASK 0x1 -#define ETH_SLOW_PATH_RX_CQE_VALID_SHIFT 0 -#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 + struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; }; /* * union for all ETH Rx CQE types */ union eth_rx_cqe { - struct eth_fast_path_rx_reg_cqe fast_path_regular /* Regular FP CQE */; - struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start - /* TPA-start CQE */; - struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont - /* TPA-continue CQE */; - struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end /* TPA-end CQE */ - ; +/* Regular FP CQE */ + struct eth_fast_path_rx_reg_cqe fast_path_regular; +/* TPA-start CQE */ + struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start; +/* TPA-continue CQE */ + struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont; +/* TPA-end CQE */ + struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end; struct eth_slow_path_rx_cqe slow_path /* SP CQE */; }; + /* * ETH Rx CQE type */ @@ -355,51 +462,59 @@ enum eth_rx_cqe_type { MAX_ETH_RX_CQE_TYPE }; + /* - * Wrapp for PD RX CQE used in order to cover full cache line when writing CQE + * Wrapper for PD RX CQE - used in order to cover full cache line when writing + * CQE */ struct eth_rx_pmd_cqe { union eth_rx_cqe cqe /* CQE data itself */; u8 reserved[ETH_RX_CQE_GAP]; }; + /* - * ETH Rx producers data + * Eth RX Tunnel Type */ -struct eth_rx_prod_data { - __le16 bd_prod /* BD producer */; - __le16 cqe_prod /* CQE producer */; - __le16 reserved; - __le16 reserved1 /* FW reserved. */; +enum eth_rx_tunn_type { + ETH_RX_NO_TUNN /* No Tunnel. */, + ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */, + ETH_RX_TUNN_GRE /* GRE Tunnel. */, + ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */, + MAX_ETH_RX_TUNN_TYPE }; + + /* * Aggregation end reason. */ enum eth_tpa_end_reason { ETH_AGG_END_UNUSED, ETH_AGG_END_SP_UPDATE /* SP configuration update */, - ETH_AGG_END_MAX_LEN - /* Maximum aggregation length or maximum buffer number used. */, - ETH_AGG_END_LAST_SEG - /* TCP PSH flag or TCP payload length below continue threshold. */, +/* Maximum aggregation length or maximum buffer number used. */ + ETH_AGG_END_MAX_LEN, +/* TCP PSH flag or TCP payload length below continue threshold. */ + ETH_AGG_END_LAST_SEG, ETH_AGG_END_TIMEOUT /* Timeout expiration. */, +/* Packet header not consistency: different IPv4 TOS, TTL or flags, IPv6 TC, + * Hop limit or Flow label, TCP header length or TS options. In GRO different + * TS value, SMAC, DMAC, ackNum, windowSize or VLAN + */ ETH_AGG_END_NOT_CONSISTENT, +/* Out of order or retransmission packet: sequence, ack or timestamp not + * consistent with previous segment. + */ ETH_AGG_END_OUT_OF_ORDER, +/* Next segment cant be aggregated due to LLC/SNAP, IP error, IP fragment, IPv4 + * options, IPv6 extension, IP ECN = CE, TCP errors, TCP options, zero TCP + * payload length , TCP flags or not supported tunnel header options. + */ ETH_AGG_END_NON_TPA_SEG, MAX_ETH_TPA_END_REASON }; -/* - * Eth Tunnel Type - */ -enum eth_tunn_type { - ETH_TUNN_GENEVE /* GENEVE Tunnel. */, - ETH_TUNN_TTAG /* T-Tag Tunnel. */, - ETH_TUNN_GRE /* GRE Tunnel. */, - ETH_TUNN_VXLAN /* VXLAN Tunnel. */, - MAX_ETH_TUNN_TYPE -}; + /* * The first tx bd of a given packet @@ -410,6 +525,8 @@ struct eth_tx_1st_bd { struct eth_tx_data_1st_bd data /* Parsing information data. */; }; + + /* * The second tx bd of a given packet */ @@ -419,21 +536,29 @@ struct eth_tx_2nd_bd { struct eth_tx_data_2nd_bd data /* Parsing information data. */; }; + /* * The parsing information data for the third tx bd of a given packet. */ struct eth_tx_data_3rd_bd { __le16 lso_mss /* For LSO packet - the MSS in bytes. */; __le16 bitfields; +/* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */ #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0 +/* LSO - number of BDs which contain headers. value should be in range + * (1..ETH_TX_MAX_LSO_HDR_NBD). + */ #define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4 +/* Should be 0 in all the BDs, except the first one. (for debug) */ #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 +/* For tunnel with IPv6+ext - Pointer to tunnel L4 Header (in 2-byte WORDs) */ u8 tunn_l4_hdr_start_offset_w; +/* For tunnel with IPv6+ext - Total size of Tunnel Header (in 2-byte WORDs) */ u8 tunn_hdr_size_w; }; @@ -446,6 +571,7 @@ struct eth_tx_3rd_bd { struct eth_tx_data_3rd_bd data /* Parsing information data. */; }; + /* * Complementary information for the regular tx bd of a given packet. */ @@ -454,6 +580,7 @@ struct eth_tx_data_bd { __le16 bitfields; #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0 +/* Should be 0 in all the BDs, except the first one. (for debug) */ #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 @@ -470,55 +597,61 @@ struct eth_tx_bd { struct eth_tx_data_bd data /* Complementary information. */; }; + union eth_tx_bd_types { struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */; - struct eth_tx_2nd_bd second_bd /* The second tx bd of a given packet */ - ; +/* The second tx bd of a given packet */ + struct eth_tx_2nd_bd second_bd; struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */; struct eth_tx_bd reg_bd /* The common non-special bd */; }; -/* - * Mstorm Queue Zone - */ -struct mstorm_eth_queue_zone { - struct eth_rx_prod_data rx_producers; - __le32 reserved[2]; -}; + + + + /* - * Ustorm Queue Zone + * Eth Tx Tunnel Type */ -struct ustorm_eth_queue_zone { - struct coalescing_timeset int_coalescing_timeset - /* Rx interrupt coalescing TimeSet */; - __le16 reserved[3]; +enum eth_tx_tunn_type { + ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */, + ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */, + ETH_TX_TUNN_GRE /* GRE Tunnel. */, + ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */, + MAX_ETH_TX_TUNN_TYPE }; + /* * Ystorm Queue Zone */ -struct ystorm_eth_queue_zone { - struct coalescing_timeset int_coalescing_timeset - /* Tx interrupt coalescing TimeSet */; - __le16 reserved[3]; +struct xstorm_eth_queue_zone { +/* Tx interrupt coalescing TimeSet */ + struct coalescing_timeset int_coalescing_timeset; + u8 reserved[7]; }; + /* * ETH doorbell data */ struct eth_db_data { u8 params; +/* destination of doorbell (use enum db_dest) */ #define ETH_DB_DATA_DEST_MASK 0x3 #define ETH_DB_DATA_DEST_SHIFT 0 +/* aggregative command to CM (use enum db_agg_cmd_sel) */ #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_MASK 0x1 /* enable QM bypass */ #define ETH_DB_DATA_BYPASS_EN_SHIFT 4 #define ETH_DB_DATA_RESERVED_MASK 0x1 #define ETH_DB_DATA_RESERVED_SHIFT 5 +/* aggregative value selection */ #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3 #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6 +/* bit for every DQ counter flags in CM context that DQ can increment */ u8 agg_flags; __le16 bd_prod; }; |