452 lines
15 KiB
C
452 lines
15 KiB
C
/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and /or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __ETH_COMMON__
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#define __ETH_COMMON__
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/********************/
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/* ETH FW CONSTANTS */
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/********************/
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#define ETH_HSI_VER_MAJOR 3
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#define ETH_HSI_VER_MINOR 10
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#define ETH_HSI_VER_NO_PKT_LEN_TUNN 5
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#define ETH_CACHE_LINE_SIZE 64
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#define ETH_RX_CQE_GAP 32
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#define ETH_MAX_RAMROD_PER_CON 8
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#define ETH_TX_BD_PAGE_SIZE_BYTES 4096
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#define ETH_RX_BD_PAGE_SIZE_BYTES 4096
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#define ETH_RX_CQE_PAGE_SIZE_BYTES 4096
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#define ETH_RX_NUM_NEXT_PAGE_BDS 2
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#define ETH_MAX_TUNN_LSO_INNER_IPV4_OFFSET 253
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#define ETH_MAX_TUNN_LSO_INNER_IPV6_OFFSET 251
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#define ETH_TX_MIN_BDS_PER_NON_LSO_PKT 1
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#define ETH_TX_MAX_BDS_PER_NON_LSO_PACKET 18
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#define ETH_TX_MAX_BDS_PER_LSO_PACKET 255
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#define ETH_TX_MAX_LSO_HDR_NBD 4
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#define ETH_TX_MIN_BDS_PER_LSO_PKT 3
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#define ETH_TX_MIN_BDS_PER_TUNN_IPV6_WITH_EXT_PKT 3
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#define ETH_TX_MIN_BDS_PER_IPV6_WITH_EXT_PKT 2
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#define ETH_TX_MIN_BDS_PER_PKT_W_LOOPBACK_MODE 2
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#define ETH_TX_MAX_NON_LSO_PKT_LEN (9700 - (4 + 4 + 12 + 8))
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#define ETH_TX_MAX_LSO_HDR_BYTES 510
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#define ETH_TX_LSO_WINDOW_BDS_NUM (18 - 1)
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#define ETH_TX_LSO_WINDOW_MIN_LEN 9700
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#define ETH_TX_MAX_LSO_PAYLOAD_LEN 0xFE000
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#define ETH_TX_NUM_SAME_AS_LAST_ENTRIES 320
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#define ETH_TX_INACTIVE_SAME_AS_LAST 0xFFFF
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#define ETH_NUM_STATISTIC_COUNTERS MAX_NUM_VPORTS
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#define ETH_NUM_STATISTIC_COUNTERS_DOUBLE_VF_ZONE \
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(ETH_NUM_STATISTIC_COUNTERS - MAX_NUM_VFS / 2)
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#define ETH_NUM_STATISTIC_COUNTERS_QUAD_VF_ZONE \
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(ETH_NUM_STATISTIC_COUNTERS - 3 * MAX_NUM_VFS / 4)
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/* Maximum number of buffers, used for RX packet placement */
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#define ETH_RX_MAX_BUFF_PER_PKT 5
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#define ETH_RX_BD_THRESHOLD 12
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/* num of MAC/VLAN filters */
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#define ETH_NUM_MAC_FILTERS 512
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#define ETH_NUM_VLAN_FILTERS 512
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/* approx. multicast constants */
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#define ETH_MULTICAST_BIN_FROM_MAC_SEED 0
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#define ETH_MULTICAST_MAC_BINS 256
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#define ETH_MULTICAST_MAC_BINS_IN_REGS (ETH_MULTICAST_MAC_BINS / 32)
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/* ethernet vport update constants */
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#define ETH_FILTER_RULES_COUNT 10
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#define ETH_RSS_IND_TABLE_ENTRIES_NUM 128
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#define ETH_RSS_KEY_SIZE_REGS 10
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#define ETH_RSS_ENGINE_NUM_K2 207
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#define ETH_RSS_ENGINE_NUM_BB 127
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/* TPA constants */
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#define ETH_TPA_MAX_AGGS_NUM 64
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#define ETH_TPA_CQE_START_LEN_LIST_SIZE ETH_RX_MAX_BUFF_PER_PKT
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#define ETH_TPA_CQE_CONT_LEN_LIST_SIZE 6
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#define ETH_TPA_CQE_END_LEN_LIST_SIZE 4
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/* Control frame check constants */
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#define ETH_CTL_FRAME_ETH_TYPE_NUM 4
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struct eth_tx_1st_bd_flags {
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u8 bitfields;
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#define ETH_TX_1ST_BD_FLAGS_START_BD_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT 0
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#define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_FORCE_VLAN_MODE_SHIFT 1
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#define ETH_TX_1ST_BD_FLAGS_IP_CSUM_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_IP_CSUM_SHIFT 2
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#define ETH_TX_1ST_BD_FLAGS_L4_CSUM_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_L4_CSUM_SHIFT 3
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#define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_VLAN_INSERTION_SHIFT 4
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#define ETH_TX_1ST_BD_FLAGS_LSO_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_LSO_SHIFT 5
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#define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_TUNN_IP_CSUM_SHIFT 6
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#define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_MASK 0x1
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#define ETH_TX_1ST_BD_FLAGS_TUNN_L4_CSUM_SHIFT 7
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};
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/* The parsing information data fo rthe first tx bd of a given packet. */
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struct eth_tx_data_1st_bd {
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__le16 vlan;
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u8 nbds;
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struct eth_tx_1st_bd_flags bd_flags;
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__le16 bitfields;
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#define ETH_TX_DATA_1ST_BD_TUNN_FLAG_MASK 0x1
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#define ETH_TX_DATA_1ST_BD_TUNN_FLAG_SHIFT 0
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#define ETH_TX_DATA_1ST_BD_RESERVED0_MASK 0x1
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#define ETH_TX_DATA_1ST_BD_RESERVED0_SHIFT 1
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#define ETH_TX_DATA_1ST_BD_PKT_LEN_MASK 0x3FFF
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#define ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT 2
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};
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/* The parsing information data for the second tx bd of a given packet. */
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struct eth_tx_data_2nd_bd {
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__le16 tunn_ip_size;
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__le16 bitfields1;
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#define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_MASK 0xF
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#define ETH_TX_DATA_2ND_BD_TUNN_INNER_L2_HDR_SIZE_W_SHIFT 0
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#define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_MASK 0x3
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#define ETH_TX_DATA_2ND_BD_TUNN_INNER_ETH_TYPE_SHIFT 4
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#define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_MASK 0x3
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#define ETH_TX_DATA_2ND_BD_DEST_PORT_MODE_SHIFT 6
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#define ETH_TX_DATA_2ND_BD_START_BD_MASK 0x1
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#define ETH_TX_DATA_2ND_BD_START_BD_SHIFT 8
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#define ETH_TX_DATA_2ND_BD_TUNN_TYPE_MASK 0x3
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#define ETH_TX_DATA_2ND_BD_TUNN_TYPE_SHIFT 9
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#define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_MASK 0x1
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#define ETH_TX_DATA_2ND_BD_TUNN_INNER_IPV6_SHIFT 11
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#define ETH_TX_DATA_2ND_BD_IPV6_EXT_MASK 0x1
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#define ETH_TX_DATA_2ND_BD_IPV6_EXT_SHIFT 12
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#define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_MASK 0x1
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#define ETH_TX_DATA_2ND_BD_TUNN_IPV6_EXT_SHIFT 13
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#define ETH_TX_DATA_2ND_BD_L4_UDP_MASK 0x1
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#define ETH_TX_DATA_2ND_BD_L4_UDP_SHIFT 14
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#define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_MASK 0x1
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#define ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE_SHIFT 15
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__le16 bitfields2;
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#define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_MASK 0x1FFF
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#define ETH_TX_DATA_2ND_BD_L4_HDR_START_OFFSET_W_SHIFT 0
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#define ETH_TX_DATA_2ND_BD_RESERVED0_MASK 0x7
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#define ETH_TX_DATA_2ND_BD_RESERVED0_SHIFT 13
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};
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/* Firmware data for L2-EDPM packet. */
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struct eth_edpm_fw_data {
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struct eth_tx_data_1st_bd data_1st_bd;
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struct eth_tx_data_2nd_bd data_2nd_bd;
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__le32 reserved;
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};
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struct eth_fast_path_cqe_fw_debug {
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__le16 reserved2;
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};
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/* tunneling parsing flags */
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struct eth_tunnel_parsing_flags {
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u8 flags;
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#define ETH_TUNNEL_PARSING_FLAGS_TYPE_MASK 0x3
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#define ETH_TUNNEL_PARSING_FLAGS_TYPE_SHIFT 0
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#define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_MASK 0x1
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#define ETH_TUNNEL_PARSING_FLAGS_TENNANT_ID_EXIST_SHIFT 2
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#define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_MASK 0x3
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#define ETH_TUNNEL_PARSING_FLAGS_NEXT_PROTOCOL_SHIFT 3
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#define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_MASK 0x1
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#define ETH_TUNNEL_PARSING_FLAGS_FIRSTHDRIPMATCH_SHIFT 5
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#define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_MASK 0x1
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#define ETH_TUNNEL_PARSING_FLAGS_IPV4_FRAGMENT_SHIFT 6
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#define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_MASK 0x1
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#define ETH_TUNNEL_PARSING_FLAGS_IPV4_OPTIONS_SHIFT 7
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};
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/* PMD flow control bits */
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struct eth_pmd_flow_flags {
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u8 flags;
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#define ETH_PMD_FLOW_FLAGS_VALID_MASK 0x1
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#define ETH_PMD_FLOW_FLAGS_VALID_SHIFT 0
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#define ETH_PMD_FLOW_FLAGS_TOGGLE_MASK 0x1
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#define ETH_PMD_FLOW_FLAGS_TOGGLE_SHIFT 1
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#define ETH_PMD_FLOW_FLAGS_RESERVED_MASK 0x3F
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#define ETH_PMD_FLOW_FLAGS_RESERVED_SHIFT 2
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};
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/* Regular ETH Rx FP CQE. */
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struct eth_fast_path_rx_reg_cqe {
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u8 type;
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u8 bitfields;
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#define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_MASK 0x7
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#define ETH_FAST_PATH_RX_REG_CQE_RSS_HASH_TYPE_SHIFT 0
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#define ETH_FAST_PATH_RX_REG_CQE_TC_MASK 0xF
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#define ETH_FAST_PATH_RX_REG_CQE_TC_SHIFT 3
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#define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_MASK 0x1
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#define ETH_FAST_PATH_RX_REG_CQE_RESERVED0_SHIFT 7
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__le16 pkt_len;
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struct parsing_and_err_flags pars_flags;
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__le16 vlan_tag;
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__le32 rss_hash;
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__le16 len_on_first_bd;
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u8 placement_offset;
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struct eth_tunnel_parsing_flags tunnel_pars_flags;
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u8 bd_num;
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u8 reserved[9];
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struct eth_fast_path_cqe_fw_debug fw_debug;
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u8 reserved1[3];
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struct eth_pmd_flow_flags pmd_flags;
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};
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/* TPA-continue ETH Rx FP CQE. */
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struct eth_fast_path_rx_tpa_cont_cqe {
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u8 type;
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u8 tpa_agg_index;
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__le16 len_list[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
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u8 reserved;
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u8 reserved1;
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__le16 reserved2[ETH_TPA_CQE_CONT_LEN_LIST_SIZE];
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u8 reserved3[3];
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struct eth_pmd_flow_flags pmd_flags;
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};
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/* TPA-end ETH Rx FP CQE. */
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struct eth_fast_path_rx_tpa_end_cqe {
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u8 type;
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u8 tpa_agg_index;
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__le16 total_packet_len;
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u8 num_of_bds;
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u8 end_reason;
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__le16 num_of_coalesced_segs;
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__le32 ts_delta;
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__le16 len_list[ETH_TPA_CQE_END_LEN_LIST_SIZE];
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__le16 reserved3[ETH_TPA_CQE_END_LEN_LIST_SIZE];
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__le16 reserved1;
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u8 reserved2;
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struct eth_pmd_flow_flags pmd_flags;
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};
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/* TPA-start ETH Rx FP CQE. */
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struct eth_fast_path_rx_tpa_start_cqe {
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u8 type;
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u8 bitfields;
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#define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_MASK 0x7
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#define ETH_FAST_PATH_RX_TPA_START_CQE_RSS_HASH_TYPE_SHIFT 0
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#define ETH_FAST_PATH_RX_TPA_START_CQE_TC_MASK 0xF
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#define ETH_FAST_PATH_RX_TPA_START_CQE_TC_SHIFT 3
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#define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_MASK 0x1
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#define ETH_FAST_PATH_RX_TPA_START_CQE_RESERVED0_SHIFT 7
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__le16 seg_len;
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struct parsing_and_err_flags pars_flags;
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__le16 vlan_tag;
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__le32 rss_hash;
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__le16 len_on_first_bd;
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u8 placement_offset;
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struct eth_tunnel_parsing_flags tunnel_pars_flags;
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u8 tpa_agg_index;
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u8 header_len;
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__le16 ext_bd_len_list[ETH_TPA_CQE_START_LEN_LIST_SIZE];
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struct eth_fast_path_cqe_fw_debug fw_debug;
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u8 reserved;
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struct eth_pmd_flow_flags pmd_flags;
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};
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/* The L4 pseudo checksum mode for Ethernet */
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enum eth_l4_pseudo_checksum_mode {
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ETH_L4_PSEUDO_CSUM_CORRECT_LENGTH,
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ETH_L4_PSEUDO_CSUM_ZERO_LENGTH,
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MAX_ETH_L4_PSEUDO_CHECKSUM_MODE
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};
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struct eth_rx_bd {
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struct regpair addr;
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};
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/* regular ETH Rx SP CQE */
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struct eth_slow_path_rx_cqe {
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u8 type;
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u8 ramrod_cmd_id;
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u8 error_flag;
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u8 reserved[25];
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__le16 echo;
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u8 reserved1;
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struct eth_pmd_flow_flags pmd_flags;
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};
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/* union for all ETH Rx CQE types */
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union eth_rx_cqe {
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struct eth_fast_path_rx_reg_cqe fast_path_regular;
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struct eth_fast_path_rx_tpa_start_cqe fast_path_tpa_start;
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struct eth_fast_path_rx_tpa_cont_cqe fast_path_tpa_cont;
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struct eth_fast_path_rx_tpa_end_cqe fast_path_tpa_end;
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struct eth_slow_path_rx_cqe slow_path;
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};
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/* ETH Rx CQE type */
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enum eth_rx_cqe_type {
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ETH_RX_CQE_TYPE_UNUSED,
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ETH_RX_CQE_TYPE_REGULAR,
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ETH_RX_CQE_TYPE_SLOW_PATH,
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ETH_RX_CQE_TYPE_TPA_START,
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ETH_RX_CQE_TYPE_TPA_CONT,
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ETH_RX_CQE_TYPE_TPA_END,
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MAX_ETH_RX_CQE_TYPE
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};
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struct eth_rx_pmd_cqe {
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union eth_rx_cqe cqe;
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u8 reserved[ETH_RX_CQE_GAP];
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};
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enum eth_rx_tunn_type {
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ETH_RX_NO_TUNN,
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ETH_RX_TUNN_GENEVE,
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ETH_RX_TUNN_GRE,
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ETH_RX_TUNN_VXLAN,
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MAX_ETH_RX_TUNN_TYPE
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};
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/* Aggregation end reason. */
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enum eth_tpa_end_reason {
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ETH_AGG_END_UNUSED,
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ETH_AGG_END_SP_UPDATE,
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ETH_AGG_END_MAX_LEN,
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ETH_AGG_END_LAST_SEG,
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ETH_AGG_END_TIMEOUT,
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ETH_AGG_END_NOT_CONSISTENT,
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ETH_AGG_END_OUT_OF_ORDER,
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ETH_AGG_END_NON_TPA_SEG,
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MAX_ETH_TPA_END_REASON
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};
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/* The first tx bd of a given packet */
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struct eth_tx_1st_bd {
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struct regpair addr;
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__le16 nbytes;
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struct eth_tx_data_1st_bd data;
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};
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/* The second tx bd of a given packet */
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struct eth_tx_2nd_bd {
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struct regpair addr;
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__le16 nbytes;
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struct eth_tx_data_2nd_bd data;
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};
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/* The parsing information data for the third tx bd of a given packet. */
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struct eth_tx_data_3rd_bd {
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__le16 lso_mss;
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__le16 bitfields;
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#define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_MASK 0xF
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#define ETH_TX_DATA_3RD_BD_TCP_HDR_LEN_DW_SHIFT 0
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#define ETH_TX_DATA_3RD_BD_HDR_NBD_MASK 0xF
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#define ETH_TX_DATA_3RD_BD_HDR_NBD_SHIFT 4
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#define ETH_TX_DATA_3RD_BD_START_BD_MASK 0x1
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#define ETH_TX_DATA_3RD_BD_START_BD_SHIFT 8
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#define ETH_TX_DATA_3RD_BD_RESERVED0_MASK 0x7F
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#define ETH_TX_DATA_3RD_BD_RESERVED0_SHIFT 9
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u8 tunn_l4_hdr_start_offset_w;
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u8 tunn_hdr_size_w;
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};
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/* The third tx bd of a given packet */
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struct eth_tx_3rd_bd {
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struct regpair addr;
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__le16 nbytes;
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struct eth_tx_data_3rd_bd data;
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};
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/* Complementary information for the regular tx bd of a given packet. */
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struct eth_tx_data_bd {
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__le16 reserved0;
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__le16 bitfields;
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#define ETH_TX_DATA_BD_RESERVED1_MASK 0xFF
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#define ETH_TX_DATA_BD_RESERVED1_SHIFT 0
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#define ETH_TX_DATA_BD_START_BD_MASK 0x1
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#define ETH_TX_DATA_BD_START_BD_SHIFT 8
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#define ETH_TX_DATA_BD_RESERVED2_MASK 0x7F
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|
#define ETH_TX_DATA_BD_RESERVED2_SHIFT 9
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|
__le16 reserved3;
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|
};
|
|
|
|
/* The common non-special TX BD ring element */
|
|
struct eth_tx_bd {
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|
struct regpair addr;
|
|
__le16 nbytes;
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|
struct eth_tx_data_bd data;
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|
};
|
|
|
|
union eth_tx_bd_types {
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|
struct eth_tx_1st_bd first_bd;
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|
struct eth_tx_2nd_bd second_bd;
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|
struct eth_tx_3rd_bd third_bd;
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|
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
|
|
};
|
|
|
|
/* 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;
|
|
};
|
|
|
|
#endif /* __ETH_COMMON__ */
|