1*14b24e2bSVaishali Kulkarni /* 2*14b24e2bSVaishali Kulkarni * CDDL HEADER START 3*14b24e2bSVaishali Kulkarni * 4*14b24e2bSVaishali Kulkarni * The contents of this file are subject to the terms of the 5*14b24e2bSVaishali Kulkarni * Common Development and Distribution License, v.1, (the "License"). 6*14b24e2bSVaishali Kulkarni * You may not use this file except in compliance with the License. 7*14b24e2bSVaishali Kulkarni * 8*14b24e2bSVaishali Kulkarni * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*14b24e2bSVaishali Kulkarni * or http://opensource.org/licenses/CDDL-1.0. 10*14b24e2bSVaishali Kulkarni * See the License for the specific language governing permissions 11*14b24e2bSVaishali Kulkarni * and limitations under the License. 12*14b24e2bSVaishali Kulkarni * 13*14b24e2bSVaishali Kulkarni * When distributing Covered Code, include this CDDL HEADER in each 14*14b24e2bSVaishali Kulkarni * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*14b24e2bSVaishali Kulkarni * If applicable, add the following below this CDDL HEADER, with the 16*14b24e2bSVaishali Kulkarni * fields enclosed by brackets "[]" replaced with your own identifying 17*14b24e2bSVaishali Kulkarni * information: Portions Copyright [yyyy] [name of copyright owner] 18*14b24e2bSVaishali Kulkarni * 19*14b24e2bSVaishali Kulkarni * CDDL HEADER END 20*14b24e2bSVaishali Kulkarni */ 21*14b24e2bSVaishali Kulkarni 22*14b24e2bSVaishali Kulkarni /* 23*14b24e2bSVaishali Kulkarni * Copyright 2014-2017 Cavium, Inc. 24*14b24e2bSVaishali Kulkarni * The contents of this file are subject to the terms of the Common Development 25*14b24e2bSVaishali Kulkarni * and Distribution License, v.1, (the "License"). 26*14b24e2bSVaishali Kulkarni 27*14b24e2bSVaishali Kulkarni * You may not use this file except in compliance with the License. 28*14b24e2bSVaishali Kulkarni 29*14b24e2bSVaishali Kulkarni * You can obtain a copy of the License at available 30*14b24e2bSVaishali Kulkarni * at http://opensource.org/licenses/CDDL-1.0 31*14b24e2bSVaishali Kulkarni 32*14b24e2bSVaishali Kulkarni * See the License for the specific language governing permissions and 33*14b24e2bSVaishali Kulkarni * limitations under the License. 34*14b24e2bSVaishali Kulkarni */ 35*14b24e2bSVaishali Kulkarni 36*14b24e2bSVaishali Kulkarni #ifndef __ETH_COMMON__ 37*14b24e2bSVaishali Kulkarni #define __ETH_COMMON__ 38*14b24e2bSVaishali Kulkarni /********************/ 39*14b24e2bSVaishali Kulkarni /* ETH FW CONSTANTS */ 40*14b24e2bSVaishali Kulkarni /********************/ 41*14b24e2bSVaishali Kulkarni 42*14b24e2bSVaishali Kulkarni /* FP HSI version. FP HSI is compatible if (fwVer.major == drvVer.major && fwVer.minor >= drvVer.minor) */ 43*14b24e2bSVaishali Kulkarni #define ETH_HSI_VER_MAJOR 3 /* ETH FP HSI Major version */ 44*14b24e2bSVaishali Kulkarni #define ETH_HSI_VER_MINOR 10 /* ETH FP HSI Minor version */ 45*14b24e2bSVaishali Kulkarni 46*14b24e2bSVaishali Kulkarni #define ETH_HSI_VER_NO_PKT_LEN_TUNN 5 /* 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. */ 47*14b24e2bSVaishali Kulkarni 48*14b24e2bSVaishali Kulkarni #define ETH_CACHE_LINE_SIZE 64 49*14b24e2bSVaishali Kulkarni #define ETH_RX_CQE_GAP 32 50*14b24e2bSVaishali Kulkarni #define ETH_MAX_RAMROD_PER_CON 8 51*14b24e2bSVaishali Kulkarni #define ETH_TX_BD_PAGE_SIZE_BYTES 4096 52*14b24e2bSVaishali Kulkarni #define ETH_RX_BD_PAGE_SIZE_BYTES 4096 53*14b24e2bSVaishali Kulkarni #define ETH_RX_CQE_PAGE_SIZE_BYTES 4096 54*14b24e2bSVaishali Kulkarni #define ETH_RX_NUM_NEXT_PAGE_BDS 2 55*14b24e2bSVaishali Kulkarni 56*14b24e2bSVaishali Kulkarni /* Limitation for Tunneled LSO Packets on the offset (in bytes) of the inner IP header (relevant to LSO for tunneled packet): */ 57*14b24e2bSVaishali Kulkarni #define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253 /* Offset is limited to 253 bytes (inclusive). */ 58*14b24e2bSVaishali Kulkarni #define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251 /* Offset is limited to 251 bytes (inclusive). */ 59*14b24e2bSVaishali Kulkarni 60*14b24e2bSVaishali Kulkarni #define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1 61*14b24e2bSVaishali Kulkarni #define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18 62*14b24e2bSVaishali Kulkarni #define ETH_TX_MAX_BDS_PER_LSO_PACKET 255 63*14b24e2bSVaishali Kulkarni #define ETH_TX_MAX_LSO_HDR_NBD 4 64*14b24e2bSVaishali Kulkarni #define ETH_TX_MIN_BDS_PER_LSO_PKT 3 65*14b24e2bSVaishali Kulkarni #define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3 66*14b24e2bSVaishali Kulkarni #define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2 67*14b24e2bSVaishali Kulkarni #define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2 68*14b24e2bSVaishali Kulkarni #define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8)) /* (QM_REG_TASKBYTECRDCOST_0, QM_VOQ_BYTE_CRD_TASK_COST) - (VLAN-TAG + CRC + IPG + PREAMBLE) */ 69*14b24e2bSVaishali Kulkarni #define ETH_TX_MAX_LSO_HDR_BYTES 510 70*14b24e2bSVaishali Kulkarni #define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1) /* Number of BDs to consider for LSO sliding window restriction is (ETH_TX_LSO_WINDOW_BDS_NUM - hdr_nbd) */ 71*14b24e2bSVaishali Kulkarni #define ETH_TX_LSO_WINDOW_MIN_LEN 9700 /* Minimum data length (in bytes) in LSO sliding window */ 72*14b24e2bSVaishali Kulkarni #define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000 /* Maximum LSO packet TCP payload length (in bytes) */ 73*14b24e2bSVaishali Kulkarni #define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320 /* Number of same-as-last resources in tx switching */ 74*14b24e2bSVaishali Kulkarni #define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF /* Value for a connection for which same as last feature is disabled */ 75*14b24e2bSVaishali Kulkarni 76*14b24e2bSVaishali Kulkarni #define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS /* Maximum number of statistics counters */ 77*14b24e2bSVaishali Kulkarni #define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE (ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS/2) /* Maximum number of statistics counters when doubled VF zone used */ 78*14b24e2bSVaishali Kulkarni #define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE (ETH_NUM_STATISTIC_COUNTERS - 3*MAX_NUM_VFS/4) /* Maximum number of statistics counters when quad VF zone used */ 79*14b24e2bSVaishali Kulkarni 80*14b24e2bSVaishali Kulkarni #define ETH_RX_MAX_BUFF_PER_PKT 5 /* Maximum number of buffers, used for RX packet placement */ 81*14b24e2bSVaishali Kulkarni #define ETH_RX_BD_THRESHOLD 12 /* Minimum number of free BDs in RX ring, that guarantee receiving of at least one RX packet. */ 82*14b24e2bSVaishali Kulkarni 83*14b24e2bSVaishali Kulkarni /* num of MAC/VLAN filters */ 84*14b24e2bSVaishali Kulkarni #define ETH_NUM_MAC_FILTERS 512 85*14b24e2bSVaishali Kulkarni #define ETH_NUM_VLAN_FILTERS 512 86*14b24e2bSVaishali Kulkarni 87*14b24e2bSVaishali Kulkarni /* approx. multicast constants */ 88*14b24e2bSVaishali Kulkarni #define ETH_MULTICAST_BIN_FROM_MAC_SEED 0 /* CRC seed for multicast bin calculation */ 89*14b24e2bSVaishali Kulkarni #define ETH_MULTICAST_MAC_BINS 256 90*14b24e2bSVaishali Kulkarni #define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32) 91*14b24e2bSVaishali Kulkarni 92*14b24e2bSVaishali Kulkarni /* ethernet vport update constants */ 93*14b24e2bSVaishali Kulkarni #define ETH_FILTER_RULES_COUNT 10 94*14b24e2bSVaishali Kulkarni #define ETH_RSS_IND_TABLE_ENTRIES_NUM 128 /* number of RSS indirection table entries, per Vport) */ 95*14b24e2bSVaishali Kulkarni #define ETH_RSS_KEY_SIZE_REGS 10 /* Length of RSS key (in regs) */ 96*14b24e2bSVaishali Kulkarni #define ETH_RSS_ENGINE_NUM_K2 207 /* number of available RSS engines in K2 */ 97*14b24e2bSVaishali Kulkarni #define ETH_RSS_ENGINE_NUM_BB 127 /* number of available RSS engines in BB */ 98*14b24e2bSVaishali Kulkarni 99*14b24e2bSVaishali Kulkarni /* TPA constants */ 100*14b24e2bSVaishali Kulkarni #define ETH_TPA_MAX_AGGS_NUM 64 /* Maximum number of open TPA aggregations */ 101*14b24e2bSVaishali Kulkarni #define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT /* Maximum number of additional buffers, reported by TPA-start CQE */ 102*14b24e2bSVaishali Kulkarni #define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6 /* Maximum number of buffers, reported by TPA-continue CQE */ 103*14b24e2bSVaishali Kulkarni #define ETH_TPA_CQE_END_LEN_LIST_SIZE 4 /* Maximum number of buffers, reported by TPA-end CQE */ 104*14b24e2bSVaishali Kulkarni 105*14b24e2bSVaishali Kulkarni /* Control frame check constants */ 106*14b24e2bSVaishali Kulkarni #define ETH_CTL_FRAME_ETH_TYPE_NUM 4 /* Number of etherType values configured by the driver for control frame check */ 107*14b24e2bSVaishali Kulkarni 108*14b24e2bSVaishali Kulkarni 109*14b24e2bSVaishali Kulkarni 110*14b24e2bSVaishali Kulkarni /* 111*14b24e2bSVaishali Kulkarni * Destination port mode 112*14b24e2bSVaishali Kulkarni */ 113*14b24e2bSVaishali Kulkarni enum dest_port_mode 114*14b24e2bSVaishali Kulkarni { 115*14b24e2bSVaishali Kulkarni DEST_PORT_PHY /* Send to physical port. */, 116*14b24e2bSVaishali Kulkarni DEST_PORT_LOOPBACK /* Send to loopback port. */, 117*14b24e2bSVaishali Kulkarni DEST_PORT_PHY_LOOPBACK /* Send to physical and loopback port. */, 118*14b24e2bSVaishali Kulkarni DEST_PORT_DROP /* Drop the packet in PBF. */, 119*14b24e2bSVaishali Kulkarni MAX_DEST_PORT_MODE 120*14b24e2bSVaishali Kulkarni }; 121*14b24e2bSVaishali Kulkarni 122*14b24e2bSVaishali Kulkarni 123*14b24e2bSVaishali Kulkarni /* 124*14b24e2bSVaishali Kulkarni * Ethernet address type 125*14b24e2bSVaishali Kulkarni */ 126*14b24e2bSVaishali Kulkarni enum eth_addr_type 127*14b24e2bSVaishali Kulkarni { 128*14b24e2bSVaishali Kulkarni BROADCAST_ADDRESS, 129*14b24e2bSVaishali Kulkarni MULTICAST_ADDRESS, 130*14b24e2bSVaishali Kulkarni UNICAST_ADDRESS, 131*14b24e2bSVaishali Kulkarni UNKNOWN_ADDRESS, 132*14b24e2bSVaishali Kulkarni MAX_ETH_ADDR_TYPE 133*14b24e2bSVaishali Kulkarni }; 134*14b24e2bSVaishali Kulkarni 135*14b24e2bSVaishali Kulkarni 136*14b24e2bSVaishali Kulkarni struct eth_tx_1st_bd_flags 137*14b24e2bSVaishali Kulkarni { 138*14b24e2bSVaishali Kulkarni u8 bitfields; 139*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1 /* Set to 1 in the first BD. (for debug) */ 140*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0 141*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1 /* Do not allow additional VLAN manipulations on this packet. */ 142*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1 143*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1 /* Recalculate IP checksum. For tunneled packet - relevant to inner header. */ 144*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2 145*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1 /* Recalculate TCP/UDP checksum. For tunneled packet - relevant to inner header. */ 146*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3 147*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1 /* If set, insert VLAN tag from vlan field to the packet. For tunneled packet - relevant to outer header. */ 148*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4 149*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1 /* If set, this is an LSO packet. Note: For Tunneled LSO packets, the offset of the inner IPV4 (and IPV6) header is limited to 253 (and 251 respectively) bytes, inclusive. */ 150*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5 151*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1 /* Recalculate Tunnel IP Checksum (if Tunnel IP Header is IPv4) */ 152*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6 153*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1 /* Recalculate Tunnel UDP/GRE Checksum (Depending on Tunnel Type) */ 154*14b24e2bSVaishali Kulkarni #define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7 155*14b24e2bSVaishali Kulkarni }; 156*14b24e2bSVaishali Kulkarni 157*14b24e2bSVaishali Kulkarni /* 158*14b24e2bSVaishali Kulkarni * The parsing information data for the first tx bd of a given packet. 159*14b24e2bSVaishali Kulkarni */ 160*14b24e2bSVaishali Kulkarni struct eth_tx_data_1st_bd 161*14b24e2bSVaishali Kulkarni { 162*14b24e2bSVaishali Kulkarni __le16 vlan /* VLAN tag to insert to packet (if enabled by vlan_insertion flag). */; 163*14b24e2bSVaishali Kulkarni u8 nbds /* Number of BDs in packet. Should be at least 1 in non-LSO packet and at least 3 in LSO (or Tunnel with IPv6+ext) packet. */; 164*14b24e2bSVaishali Kulkarni struct eth_tx_1st_bd_flags bd_flags; 165*14b24e2bSVaishali Kulkarni __le16 bitfields; 166*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1 /* Indicates a tunneled packet. Must be set for encapsulated packet. */ 167*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0 168*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1 169*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1 170*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF /* Total packet length - must be filled for non-LSO packets. */ 171*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2 172*14b24e2bSVaishali Kulkarni }; 173*14b24e2bSVaishali Kulkarni 174*14b24e2bSVaishali Kulkarni /* 175*14b24e2bSVaishali Kulkarni * The parsing information data for the second tx bd of a given packet. 176*14b24e2bSVaishali Kulkarni */ 177*14b24e2bSVaishali Kulkarni struct eth_tx_data_2nd_bd 178*14b24e2bSVaishali Kulkarni { 179*14b24e2bSVaishali Kulkarni __le16 tunn_ip_size /* For tunnel with IPv6+ext - Tunnel header IP datagram length (in BYTEs) */; 180*14b24e2bSVaishali Kulkarni __le16 bitfields1; 181*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF /* For Tunnel header with IPv6 ext. - Inner L2 Header Size (in 2-byte WORDs) */ 182*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0 183*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Inner L2 Header MAC DA Type (use enum eth_addr_type) */ 184*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4 185*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3 /* Destination port mode. (use enum dest_port_mode) */ 186*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6 187*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */ 188*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8 189*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3 /* For Tunnel header with IPv6 ext. - Tunnel Type (use enum eth_tx_tunn_type) */ 190*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9 191*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1 /* For LSO / Tunnel header with IPv6+ext - Set if inner header is IPv6 */ 192*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11 193*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1 /* In tunneling mode - Set to 1 when the Inner header is IPv6 with extension. Otherwise set to 1 if the header is IPv6 with extension. */ 194*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12 195*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1 /* Set to 1 if Tunnel (outer = encapsulating) header has IPv6 ext. (Note: 3rd BD is required, hence EDPM does not support Tunnel [outer] header with Ipv6Ext) */ 196*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13 197*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1 /* Set if (inner) L4 protocol is UDP. (Required when IPv6+ext (or tunnel with inner or outer Ipv6+ext) and l4_csum is set) */ 198*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14 199*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1 /* 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) */ 200*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15 201*14b24e2bSVaishali Kulkarni __le16 bitfields2; 202*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF /* 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 */ 203*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0 204*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7 205*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13 206*14b24e2bSVaishali Kulkarni }; 207*14b24e2bSVaishali Kulkarni 208*14b24e2bSVaishali Kulkarni /* 209*14b24e2bSVaishali Kulkarni * Firmware data for L2-EDPM packet. 210*14b24e2bSVaishali Kulkarni */ 211*14b24e2bSVaishali Kulkarni struct eth_edpm_fw_data 212*14b24e2bSVaishali Kulkarni { 213*14b24e2bSVaishali Kulkarni struct eth_tx_data_1st_bd data_1st_bd /* Parsing information data from the 1st BD. */; 214*14b24e2bSVaishali Kulkarni struct eth_tx_data_2nd_bd data_2nd_bd /* Parsing information data from the 2nd BD. */; 215*14b24e2bSVaishali Kulkarni __le32 reserved; 216*14b24e2bSVaishali Kulkarni }; 217*14b24e2bSVaishali Kulkarni 218*14b24e2bSVaishali Kulkarni 219*14b24e2bSVaishali Kulkarni /* 220*14b24e2bSVaishali Kulkarni * FW debug. 221*14b24e2bSVaishali Kulkarni */ 222*14b24e2bSVaishali Kulkarni struct eth_fast_path_cqe_fw_debug 223*14b24e2bSVaishali Kulkarni { 224*14b24e2bSVaishali Kulkarni __le16 reserved2 /* FW reserved. */; 225*14b24e2bSVaishali Kulkarni }; 226*14b24e2bSVaishali Kulkarni 227*14b24e2bSVaishali Kulkarni 228*14b24e2bSVaishali Kulkarni /* 229*14b24e2bSVaishali Kulkarni * tunneling parsing flags 230*14b24e2bSVaishali Kulkarni */ 231*14b24e2bSVaishali Kulkarni struct eth_tunnel_parsing_flags 232*14b24e2bSVaishali Kulkarni { 233*14b24e2bSVaishali Kulkarni u8 flags; 234*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3 /* 0 - no tunneling, 1 - GENEVE, 2 - GRE, 3 - VXLAN (use enum eth_rx_tunn_type) */ 235*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0 236*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1 /* 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 */ 237*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2 238*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3 /* Type of the next header above the tunneling: 0 - unknown, 1 - L2, 2 - Ipv4, 3 - IPv6 (use enum tunnel_next_protocol) */ 239*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3 240*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1 /* The result of comparing the DA-ip of the tunnel header. */ 241*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5 242*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1 243*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6 244*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1 245*14b24e2bSVaishali Kulkarni #define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7 246*14b24e2bSVaishali Kulkarni }; 247*14b24e2bSVaishali Kulkarni 248*14b24e2bSVaishali Kulkarni /* 249*14b24e2bSVaishali Kulkarni * PMD flow control bits 250*14b24e2bSVaishali Kulkarni */ 251*14b24e2bSVaishali Kulkarni struct eth_pmd_flow_flags 252*14b24e2bSVaishali Kulkarni { 253*14b24e2bSVaishali Kulkarni u8 flags; 254*14b24e2bSVaishali Kulkarni #define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1 /* CQE valid bit */ 255*14b24e2bSVaishali Kulkarni #define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0 256*14b24e2bSVaishali Kulkarni #define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1 /* CQE ring toggle bit */ 257*14b24e2bSVaishali Kulkarni #define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1 258*14b24e2bSVaishali Kulkarni #define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F 259*14b24e2bSVaishali Kulkarni #define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2 260*14b24e2bSVaishali Kulkarni }; 261*14b24e2bSVaishali Kulkarni 262*14b24e2bSVaishali Kulkarni /* 263*14b24e2bSVaishali Kulkarni * Regular ETH Rx FP CQE. 264*14b24e2bSVaishali Kulkarni */ 265*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_reg_cqe 266*14b24e2bSVaishali Kulkarni { 267*14b24e2bSVaishali Kulkarni u8 type /* CQE type */; 268*14b24e2bSVaishali Kulkarni u8 bitfields; 269*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */ 270*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0 271*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF /* Traffic Class */ 272*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3 273*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1 274*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7 275*14b24e2bSVaishali Kulkarni __le16 pkt_len /* Total packet length (from the parser) */; 276*14b24e2bSVaishali Kulkarni struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */; 277*14b24e2bSVaishali Kulkarni __le16 vlan_tag /* 802.1q VLAN tag */; 278*14b24e2bSVaishali Kulkarni __le32 rss_hash /* RSS hash result */; 279*14b24e2bSVaishali Kulkarni __le16 len_on_first_bd /* Number of bytes placed on first BD */; 280*14b24e2bSVaishali Kulkarni u8 placement_offset /* Offset of placement from BD start */; 281*14b24e2bSVaishali Kulkarni struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */; 282*14b24e2bSVaishali Kulkarni u8 bd_num /* Number of BDs, used for packet */; 283*14b24e2bSVaishali Kulkarni u8 reserved[9]; 284*14b24e2bSVaishali Kulkarni struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */; 285*14b24e2bSVaishali Kulkarni u8 reserved1[3]; 286*14b24e2bSVaishali Kulkarni struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 287*14b24e2bSVaishali Kulkarni }; 288*14b24e2bSVaishali Kulkarni 289*14b24e2bSVaishali Kulkarni 290*14b24e2bSVaishali Kulkarni /* 291*14b24e2bSVaishali Kulkarni * TPA-continue ETH Rx FP CQE. 292*14b24e2bSVaishali Kulkarni */ 293*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_tpa_cont_cqe 294*14b24e2bSVaishali Kulkarni { 295*14b24e2bSVaishali Kulkarni u8 type /* CQE type */; 296*14b24e2bSVaishali Kulkarni u8 tpa_agg_index /* TPA aggregation index */; 297*14b24e2bSVaishali Kulkarni __le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* List of the segment sizes */; 298*14b24e2bSVaishali Kulkarni u8 reserved; 299*14b24e2bSVaishali Kulkarni u8 reserved1 /* FW reserved. */; 300*14b24e2bSVaishali Kulkarni __le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE] /* FW reserved. */; 301*14b24e2bSVaishali Kulkarni u8 reserved3[3]; 302*14b24e2bSVaishali Kulkarni struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 303*14b24e2bSVaishali Kulkarni }; 304*14b24e2bSVaishali Kulkarni 305*14b24e2bSVaishali Kulkarni 306*14b24e2bSVaishali Kulkarni /* 307*14b24e2bSVaishali Kulkarni * TPA-end ETH Rx FP CQE . 308*14b24e2bSVaishali Kulkarni */ 309*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_tpa_end_cqe 310*14b24e2bSVaishali Kulkarni { 311*14b24e2bSVaishali Kulkarni u8 type /* CQE type */; 312*14b24e2bSVaishali Kulkarni u8 tpa_agg_index /* TPA aggregation index */; 313*14b24e2bSVaishali Kulkarni __le16 total_packet_len /* Total aggregated packet length */; 314*14b24e2bSVaishali Kulkarni u8 num_of_bds /* Total number of BDs comprising the packet */; 315*14b24e2bSVaishali Kulkarni u8 end_reason /* Aggregation end reason. Use enum eth_tpa_end_reason */; 316*14b24e2bSVaishali Kulkarni __le16 num_of_coalesced_segs /* Number of coalesced TCP segments */; 317*14b24e2bSVaishali Kulkarni __le32 ts_delta /* TCP timestamp delta */; 318*14b24e2bSVaishali Kulkarni __le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* List of the segment sizes */; 319*14b24e2bSVaishali Kulkarni __le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE] /* FW reserved. */; 320*14b24e2bSVaishali Kulkarni __le16 reserved1; 321*14b24e2bSVaishali Kulkarni u8 reserved2 /* FW reserved. */; 322*14b24e2bSVaishali Kulkarni struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 323*14b24e2bSVaishali Kulkarni }; 324*14b24e2bSVaishali Kulkarni 325*14b24e2bSVaishali Kulkarni 326*14b24e2bSVaishali Kulkarni /* 327*14b24e2bSVaishali Kulkarni * TPA-start ETH Rx FP CQE. 328*14b24e2bSVaishali Kulkarni */ 329*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_tpa_start_cqe 330*14b24e2bSVaishali Kulkarni { 331*14b24e2bSVaishali Kulkarni u8 type /* CQE type */; 332*14b24e2bSVaishali Kulkarni u8 bitfields; 333*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7 /* Type of calculated RSS hash (use enum rss_hash_type) */ 334*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0 335*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF /* Traffic Class */ 336*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3 337*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1 338*14b24e2bSVaishali Kulkarni #define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7 339*14b24e2bSVaishali Kulkarni __le16 seg_len /* Segment length (packetLen from the parser) */; 340*14b24e2bSVaishali Kulkarni struct parsing_and_err_flags pars_flags /* Parsing and error flags from the parser */; 341*14b24e2bSVaishali Kulkarni __le16 vlan_tag /* 802.1q VLAN tag */; 342*14b24e2bSVaishali Kulkarni __le32 rss_hash /* RSS hash result */; 343*14b24e2bSVaishali Kulkarni __le16 len_on_first_bd /* Number of bytes placed on first BD */; 344*14b24e2bSVaishali Kulkarni u8 placement_offset /* Offset of placement from BD start */; 345*14b24e2bSVaishali Kulkarni struct eth_tunnel_parsing_flags tunnel_pars_flags /* Tunnel Parsing Flags */; 346*14b24e2bSVaishali Kulkarni u8 tpa_agg_index /* TPA aggregation index */; 347*14b24e2bSVaishali Kulkarni u8 header_len /* Packet L2+L3+L4 header length */; 348*14b24e2bSVaishali Kulkarni __le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE] /* Additional BDs length list. */; 349*14b24e2bSVaishali Kulkarni struct eth_fast_path_cqe_fw_debug fw_debug /* FW reserved. */; 350*14b24e2bSVaishali Kulkarni u8 reserved; 351*14b24e2bSVaishali Kulkarni struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 352*14b24e2bSVaishali Kulkarni }; 353*14b24e2bSVaishali Kulkarni 354*14b24e2bSVaishali Kulkarni 355*14b24e2bSVaishali Kulkarni /* 356*14b24e2bSVaishali Kulkarni * The L4 pseudo checksum mode for Ethernet 357*14b24e2bSVaishali Kulkarni */ 358*14b24e2bSVaishali Kulkarni enum eth_l4_pseudo_checksum_mode 359*14b24e2bSVaishali Kulkarni { 360*14b24e2bSVaishali Kulkarni ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH /* Pseudo Header checksum on packet is calculated with the correct packet length field. */, 361*14b24e2bSVaishali Kulkarni ETH_L4_PSEUDO_CSUM_ZERO_LENGTH /* Pseudo Header checksum on packet is calculated with zero length field. */, 362*14b24e2bSVaishali Kulkarni MAX_ETH_L4_PSEUDO_CHECKSUM_MODE 363*14b24e2bSVaishali Kulkarni }; 364*14b24e2bSVaishali Kulkarni 365*14b24e2bSVaishali Kulkarni 366*14b24e2bSVaishali Kulkarni 367*14b24e2bSVaishali Kulkarni struct eth_rx_bd 368*14b24e2bSVaishali Kulkarni { 369*14b24e2bSVaishali Kulkarni struct regpair addr /* single continues buffer */; 370*14b24e2bSVaishali Kulkarni }; 371*14b24e2bSVaishali Kulkarni 372*14b24e2bSVaishali Kulkarni 373*14b24e2bSVaishali Kulkarni /* 374*14b24e2bSVaishali Kulkarni * regular ETH Rx SP CQE 375*14b24e2bSVaishali Kulkarni */ 376*14b24e2bSVaishali Kulkarni struct eth_slow_path_rx_cqe 377*14b24e2bSVaishali Kulkarni { 378*14b24e2bSVaishali Kulkarni u8 type /* CQE type */; 379*14b24e2bSVaishali Kulkarni u8 ramrod_cmd_id; 380*14b24e2bSVaishali Kulkarni u8 error_flag; 381*14b24e2bSVaishali Kulkarni u8 reserved[25]; 382*14b24e2bSVaishali Kulkarni __le16 echo; 383*14b24e2bSVaishali Kulkarni u8 reserved1; 384*14b24e2bSVaishali Kulkarni struct eth_pmd_flow_flags pmd_flags /* CQE valid and toggle bits */; 385*14b24e2bSVaishali Kulkarni }; 386*14b24e2bSVaishali Kulkarni 387*14b24e2bSVaishali Kulkarni /* 388*14b24e2bSVaishali Kulkarni * union for all ETH Rx CQE types 389*14b24e2bSVaishali Kulkarni */ 390*14b24e2bSVaishali Kulkarni union eth_rx_cqe 391*14b24e2bSVaishali Kulkarni { 392*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_reg_cqe fast_path_regular /* Regular FP CQE */; 393*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start /* TPA-start CQE */; 394*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont /* TPA-continue CQE */; 395*14b24e2bSVaishali Kulkarni struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end /* TPA-end CQE */; 396*14b24e2bSVaishali Kulkarni struct eth_slow_path_rx_cqe slow_path /* SP CQE */; 397*14b24e2bSVaishali Kulkarni }; 398*14b24e2bSVaishali Kulkarni 399*14b24e2bSVaishali Kulkarni 400*14b24e2bSVaishali Kulkarni /* 401*14b24e2bSVaishali Kulkarni * ETH Rx CQE type 402*14b24e2bSVaishali Kulkarni */ 403*14b24e2bSVaishali Kulkarni enum eth_rx_cqe_type 404*14b24e2bSVaishali Kulkarni { 405*14b24e2bSVaishali Kulkarni ETH_RX_CQE_TYPE_UNUSED, 406*14b24e2bSVaishali Kulkarni ETH_RX_CQE_TYPE_REGULAR /* Regular FP ETH Rx CQE */, 407*14b24e2bSVaishali Kulkarni ETH_RX_CQE_TYPE_SLOW_PATH /* Slow path ETH Rx CQE */, 408*14b24e2bSVaishali Kulkarni ETH_RX_CQE_TYPE_TPA_START /* TPA start ETH Rx CQE */, 409*14b24e2bSVaishali Kulkarni ETH_RX_CQE_TYPE_TPA_CONT /* TPA Continue ETH Rx CQE */, 410*14b24e2bSVaishali Kulkarni ETH_RX_CQE_TYPE_TPA_END /* TPA end ETH Rx CQE */, 411*14b24e2bSVaishali Kulkarni MAX_ETH_RX_CQE_TYPE 412*14b24e2bSVaishali Kulkarni }; 413*14b24e2bSVaishali Kulkarni 414*14b24e2bSVaishali Kulkarni 415*14b24e2bSVaishali Kulkarni /* 416*14b24e2bSVaishali Kulkarni * Wrapper for PD RX CQE - used in order to cover full cache line when writing CQE 417*14b24e2bSVaishali Kulkarni */ 418*14b24e2bSVaishali Kulkarni struct eth_rx_pmd_cqe 419*14b24e2bSVaishali Kulkarni { 420*14b24e2bSVaishali Kulkarni union eth_rx_cqe cqe /* CQE data itself */; 421*14b24e2bSVaishali Kulkarni u8 reserved[ETH_RX_CQE_GAP]; 422*14b24e2bSVaishali Kulkarni }; 423*14b24e2bSVaishali Kulkarni 424*14b24e2bSVaishali Kulkarni 425*14b24e2bSVaishali Kulkarni /* 426*14b24e2bSVaishali Kulkarni * Eth RX Tunnel Type 427*14b24e2bSVaishali Kulkarni */ 428*14b24e2bSVaishali Kulkarni enum eth_rx_tunn_type 429*14b24e2bSVaishali Kulkarni { 430*14b24e2bSVaishali Kulkarni ETH_RX_NO_TUNN /* No Tunnel. */, 431*14b24e2bSVaishali Kulkarni ETH_RX_TUNN_GENEVE /* GENEVE Tunnel. */, 432*14b24e2bSVaishali Kulkarni ETH_RX_TUNN_GRE /* GRE Tunnel. */, 433*14b24e2bSVaishali Kulkarni ETH_RX_TUNN_VXLAN /* VXLAN Tunnel. */, 434*14b24e2bSVaishali Kulkarni MAX_ETH_RX_TUNN_TYPE 435*14b24e2bSVaishali Kulkarni }; 436*14b24e2bSVaishali Kulkarni 437*14b24e2bSVaishali Kulkarni 438*14b24e2bSVaishali Kulkarni 439*14b24e2bSVaishali Kulkarni /* 440*14b24e2bSVaishali Kulkarni * Aggregation end reason. 441*14b24e2bSVaishali Kulkarni */ 442*14b24e2bSVaishali Kulkarni enum eth_tpa_end_reason 443*14b24e2bSVaishali Kulkarni { 444*14b24e2bSVaishali Kulkarni ETH_AGG_END_UNUSED, 445*14b24e2bSVaishali Kulkarni ETH_AGG_END_SP_UPDATE /* SP configuration update */, 446*14b24e2bSVaishali Kulkarni ETH_AGG_END_MAX_LEN /* Maximum aggregation length or maximum buffer number used. */, 447*14b24e2bSVaishali Kulkarni ETH_AGG_END_LAST_SEG /* TCP PSH flag or TCP payload length below continue threshold. */, 448*14b24e2bSVaishali Kulkarni ETH_AGG_END_TIMEOUT /* Timeout expiration. */, 449*14b24e2bSVaishali Kulkarni ETH_AGG_END_NOT_CONSISTENT /* 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 */, 450*14b24e2bSVaishali Kulkarni ETH_AGG_END_OUT_OF_ORDER /* Out of order or retransmission packet: sequence, ack or timestamp not consistent with previous segment. */, 451*14b24e2bSVaishali Kulkarni ETH_AGG_END_NON_TPA_SEG /* 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. */, 452*14b24e2bSVaishali Kulkarni MAX_ETH_TPA_END_REASON 453*14b24e2bSVaishali Kulkarni }; 454*14b24e2bSVaishali Kulkarni 455*14b24e2bSVaishali Kulkarni 456*14b24e2bSVaishali Kulkarni 457*14b24e2bSVaishali Kulkarni /* 458*14b24e2bSVaishali Kulkarni * The first tx bd of a given packet 459*14b24e2bSVaishali Kulkarni */ 460*14b24e2bSVaishali Kulkarni struct eth_tx_1st_bd 461*14b24e2bSVaishali Kulkarni { 462*14b24e2bSVaishali Kulkarni struct regpair addr /* Single continuous buffer */; 463*14b24e2bSVaishali Kulkarni __le16 nbytes /* Number of bytes in this BD. */; 464*14b24e2bSVaishali Kulkarni struct eth_tx_data_1st_bd data /* Parsing information data. */; 465*14b24e2bSVaishali Kulkarni }; 466*14b24e2bSVaishali Kulkarni 467*14b24e2bSVaishali Kulkarni 468*14b24e2bSVaishali Kulkarni 469*14b24e2bSVaishali Kulkarni /* 470*14b24e2bSVaishali Kulkarni * The second tx bd of a given packet 471*14b24e2bSVaishali Kulkarni */ 472*14b24e2bSVaishali Kulkarni struct eth_tx_2nd_bd 473*14b24e2bSVaishali Kulkarni { 474*14b24e2bSVaishali Kulkarni struct regpair addr /* Single continuous buffer */; 475*14b24e2bSVaishali Kulkarni __le16 nbytes /* Number of bytes in this BD. */; 476*14b24e2bSVaishali Kulkarni struct eth_tx_data_2nd_bd data /* Parsing information data. */; 477*14b24e2bSVaishali Kulkarni }; 478*14b24e2bSVaishali Kulkarni 479*14b24e2bSVaishali Kulkarni 480*14b24e2bSVaishali Kulkarni /* 481*14b24e2bSVaishali Kulkarni * The parsing information data for the third tx bd of a given packet. 482*14b24e2bSVaishali Kulkarni */ 483*14b24e2bSVaishali Kulkarni struct eth_tx_data_3rd_bd 484*14b24e2bSVaishali Kulkarni { 485*14b24e2bSVaishali Kulkarni __le16 lso_mss /* For LSO packet - the MSS in bytes. */; 486*14b24e2bSVaishali Kulkarni __le16 bitfields; 487*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF /* For LSO with inner/outer IPv6+ext - TCP header length (in 4-byte WORDs) */ 488*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0 489*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF /* LSO - number of BDs which contain headers. value should be in range (1..ETH_TX_MAX_LSO_HDR_NBD). */ 490*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4 491*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */ 492*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8 493*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F 494*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9 495*14b24e2bSVaishali Kulkarni u8 tunn_l4_hdr_start_offset_w /* For tunnel with IPv6+ext - Pointer to the tunnel L4 Header (in 2-byte WORDs) */; 496*14b24e2bSVaishali Kulkarni u8 tunn_hdr_size_w /* For tunnel with IPv6+ext - Total size of the Tunnel Header (in 2-byte WORDs) */; 497*14b24e2bSVaishali Kulkarni }; 498*14b24e2bSVaishali Kulkarni 499*14b24e2bSVaishali Kulkarni /* 500*14b24e2bSVaishali Kulkarni * The third tx bd of a given packet 501*14b24e2bSVaishali Kulkarni */ 502*14b24e2bSVaishali Kulkarni struct eth_tx_3rd_bd 503*14b24e2bSVaishali Kulkarni { 504*14b24e2bSVaishali Kulkarni struct regpair addr /* Single continuous buffer */; 505*14b24e2bSVaishali Kulkarni __le16 nbytes /* Number of bytes in this BD. */; 506*14b24e2bSVaishali Kulkarni struct eth_tx_data_3rd_bd data /* Parsing information data. */; 507*14b24e2bSVaishali Kulkarni }; 508*14b24e2bSVaishali Kulkarni 509*14b24e2bSVaishali Kulkarni 510*14b24e2bSVaishali Kulkarni /* 511*14b24e2bSVaishali Kulkarni * Complementary information for the regular tx bd of a given packet. 512*14b24e2bSVaishali Kulkarni */ 513*14b24e2bSVaishali Kulkarni struct eth_tx_data_bd 514*14b24e2bSVaishali Kulkarni { 515*14b24e2bSVaishali Kulkarni __le16 reserved0; 516*14b24e2bSVaishali Kulkarni __le16 bitfields; 517*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF 518*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_BD_RESERVED1_SHIFT 0 519*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_BD_START_BD_MASK 0x1 /* Should be 0 in all the BDs, except the first one. (for debug) */ 520*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_BD_START_BD_SHIFT 8 521*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F 522*14b24e2bSVaishali Kulkarni #define ETH_TX_DATA_BD_RESERVED2_SHIFT 9 523*14b24e2bSVaishali Kulkarni __le16 reserved3; 524*14b24e2bSVaishali Kulkarni }; 525*14b24e2bSVaishali Kulkarni 526*14b24e2bSVaishali Kulkarni /* 527*14b24e2bSVaishali Kulkarni * The common regular TX BD ring element 528*14b24e2bSVaishali Kulkarni */ 529*14b24e2bSVaishali Kulkarni struct eth_tx_bd 530*14b24e2bSVaishali Kulkarni { 531*14b24e2bSVaishali Kulkarni struct regpair addr /* Single continuous buffer */; 532*14b24e2bSVaishali Kulkarni __le16 nbytes /* Number of bytes in this BD. */; 533*14b24e2bSVaishali Kulkarni struct eth_tx_data_bd data /* Complementary information. */; 534*14b24e2bSVaishali Kulkarni }; 535*14b24e2bSVaishali Kulkarni 536*14b24e2bSVaishali Kulkarni 537*14b24e2bSVaishali Kulkarni union eth_tx_bd_types 538*14b24e2bSVaishali Kulkarni { 539*14b24e2bSVaishali Kulkarni struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */; 540*14b24e2bSVaishali Kulkarni struct eth_tx_2nd_bd second_bd /* The second tx bd of a given packet */; 541*14b24e2bSVaishali Kulkarni struct eth_tx_3rd_bd third_bd /* The third tx bd of a given packet */; 542*14b24e2bSVaishali Kulkarni struct eth_tx_bd reg_bd /* The common non-special bd */; 543*14b24e2bSVaishali Kulkarni }; 544*14b24e2bSVaishali Kulkarni 545*14b24e2bSVaishali Kulkarni 546*14b24e2bSVaishali Kulkarni 547*14b24e2bSVaishali Kulkarni 548*14b24e2bSVaishali Kulkarni 549*14b24e2bSVaishali Kulkarni 550*14b24e2bSVaishali Kulkarni /* 551*14b24e2bSVaishali Kulkarni * Eth Tx Tunnel Type 552*14b24e2bSVaishali Kulkarni */ 553*14b24e2bSVaishali Kulkarni enum eth_tx_tunn_type 554*14b24e2bSVaishali Kulkarni { 555*14b24e2bSVaishali Kulkarni ETH_TX_TUNN_GENEVE /* GENEVE Tunnel. */, 556*14b24e2bSVaishali Kulkarni ETH_TX_TUNN_TTAG /* T-Tag Tunnel. */, 557*14b24e2bSVaishali Kulkarni ETH_TX_TUNN_GRE /* GRE Tunnel. */, 558*14b24e2bSVaishali Kulkarni ETH_TX_TUNN_VXLAN /* VXLAN Tunnel. */, 559*14b24e2bSVaishali Kulkarni MAX_ETH_TX_TUNN_TYPE 560*14b24e2bSVaishali Kulkarni }; 561*14b24e2bSVaishali Kulkarni 562*14b24e2bSVaishali Kulkarni 563*14b24e2bSVaishali Kulkarni /* 564*14b24e2bSVaishali Kulkarni * Ystorm Queue Zone 565*14b24e2bSVaishali Kulkarni */ 566*14b24e2bSVaishali Kulkarni struct xstorm_eth_queue_zone 567*14b24e2bSVaishali Kulkarni { 568*14b24e2bSVaishali Kulkarni struct coalescing_timeset int_coalescing_timeset /* Tx interrupt coalescing TimeSet */; 569*14b24e2bSVaishali Kulkarni u8 reserved[7]; 570*14b24e2bSVaishali Kulkarni }; 571*14b24e2bSVaishali Kulkarni 572*14b24e2bSVaishali Kulkarni 573*14b24e2bSVaishali Kulkarni /* 574*14b24e2bSVaishali Kulkarni * ETH doorbell data 575*14b24e2bSVaishali Kulkarni */ 576*14b24e2bSVaishali Kulkarni struct eth_db_data 577*14b24e2bSVaishali Kulkarni { 578*14b24e2bSVaishali Kulkarni u8 params; 579*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */ 580*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_DEST_SHIFT 0 581*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */ 582*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_AGG_CMD_SHIFT 2 583*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */ 584*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_BYPASS_EN_SHIFT 4 585*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_RESERVED_MASK 0x1 586*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_RESERVED_SHIFT 5 587*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */ 588*14b24e2bSVaishali Kulkarni #define ETH_DB_DATA_AGG_VAL_SEL_SHIFT 6 589*14b24e2bSVaishali Kulkarni u8 agg_flags /* bit for every DQ counter flags in CM context that DQ can increment */; 590*14b24e2bSVaishali Kulkarni __le16 bd_prod; 591*14b24e2bSVaishali Kulkarni }; 592*14b24e2bSVaishali Kulkarni 593*14b24e2bSVaishali Kulkarni #endif /* __ETH_COMMON__ */ 594