614 lines
15 KiB
C
614 lines
15 KiB
C
/*
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* Copyright (c) 2016 Hisilicon Limited.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef __HNS3_ENET_H
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#define __HNS3_ENET_H
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#include "hnae3.h"
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extern const char hns3_driver_version[];
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enum hns3_nic_state {
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HNS3_NIC_STATE_TESTING,
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HNS3_NIC_STATE_RESETTING,
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HNS3_NIC_STATE_REINITING,
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HNS3_NIC_STATE_DOWN,
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HNS3_NIC_STATE_DISABLED,
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HNS3_NIC_STATE_REMOVING,
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HNS3_NIC_STATE_SERVICE_INITED,
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HNS3_NIC_STATE_SERVICE_SCHED,
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HNS3_NIC_STATE2_RESET_REQUESTED,
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HNS3_NIC_STATE_MAX
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};
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#define HNS3_RING_RX_RING_BASEADDR_L_REG 0x00000
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#define HNS3_RING_RX_RING_BASEADDR_H_REG 0x00004
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#define HNS3_RING_RX_RING_BD_NUM_REG 0x00008
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#define HNS3_RING_RX_RING_BD_LEN_REG 0x0000C
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#define HNS3_RING_RX_RING_TAIL_REG 0x00018
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#define HNS3_RING_RX_RING_HEAD_REG 0x0001C
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#define HNS3_RING_RX_RING_FBDNUM_REG 0x00020
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#define HNS3_RING_RX_RING_PKTNUM_RECORD_REG 0x0002C
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#define HNS3_RING_TX_RING_BASEADDR_L_REG 0x00040
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#define HNS3_RING_TX_RING_BASEADDR_H_REG 0x00044
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#define HNS3_RING_TX_RING_BD_NUM_REG 0x00048
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#define HNS3_RING_TX_RING_BD_LEN_REG 0x0004C
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#define HNS3_RING_TX_RING_TAIL_REG 0x00058
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#define HNS3_RING_TX_RING_HEAD_REG 0x0005C
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#define HNS3_RING_TX_RING_FBDNUM_REG 0x00060
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#define HNS3_RING_TX_RING_OFFSET_REG 0x00064
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#define HNS3_RING_TX_RING_PKTNUM_RECORD_REG 0x0006C
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#define HNS3_RING_PREFETCH_EN_REG 0x0007C
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#define HNS3_RING_CFG_VF_NUM_REG 0x00080
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#define HNS3_RING_ASID_REG 0x0008C
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#define HNS3_RING_RX_VM_REG 0x00090
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#define HNS3_RING_T0_BE_RST 0x00094
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#define HNS3_RING_COULD_BE_RST 0x00098
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#define HNS3_RING_WRR_WEIGHT_REG 0x0009c
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#define HNS3_RING_INTMSK_RXWL_REG 0x000A0
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#define HNS3_RING_INTSTS_RX_RING_REG 0x000A4
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#define HNS3_RX_RING_INT_STS_REG 0x000A8
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#define HNS3_RING_INTMSK_TXWL_REG 0x000AC
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#define HNS3_RING_INTSTS_TX_RING_REG 0x000B0
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#define HNS3_TX_RING_INT_STS_REG 0x000B4
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#define HNS3_RING_INTMSK_RX_OVERTIME_REG 0x000B8
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#define HNS3_RING_INTSTS_RX_OVERTIME_REG 0x000BC
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#define HNS3_RING_INTMSK_TX_OVERTIME_REG 0x000C4
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#define HNS3_RING_INTSTS_TX_OVERTIME_REG 0x000C8
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#define HNS3_RING_MB_CTRL_REG 0x00100
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#define HNS3_RING_MB_DATA_BASE_REG 0x00200
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#define HNS3_TX_REG_OFFSET 0x40
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#define HNS3_RX_HEAD_SIZE 256
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#define HNS3_TX_TIMEOUT (5 * HZ)
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#define HNS3_RING_NAME_LEN 16
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#define HNS3_BUFFER_SIZE_2048 2048
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#define HNS3_RING_MAX_PENDING 32768
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#define HNS3_RING_MIN_PENDING 8
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#define HNS3_RING_BD_MULTIPLE 8
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#define HNS3_MAX_MTU 9728
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#define HNS3_BD_SIZE_512_TYPE 0
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#define HNS3_BD_SIZE_1024_TYPE 1
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#define HNS3_BD_SIZE_2048_TYPE 2
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#define HNS3_BD_SIZE_4096_TYPE 3
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#define HNS3_RX_FLAG_VLAN_PRESENT 0x1
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#define HNS3_RX_FLAG_L3ID_IPV4 0x0
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#define HNS3_RX_FLAG_L3ID_IPV6 0x1
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#define HNS3_RX_FLAG_L4ID_UDP 0x0
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#define HNS3_RX_FLAG_L4ID_TCP 0x1
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#define HNS3_RXD_DMAC_S 0
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#define HNS3_RXD_DMAC_M (0x3 << HNS3_RXD_DMAC_S)
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#define HNS3_RXD_VLAN_S 2
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#define HNS3_RXD_VLAN_M (0x3 << HNS3_RXD_VLAN_S)
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#define HNS3_RXD_L3ID_S 4
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#define HNS3_RXD_L3ID_M (0xf << HNS3_RXD_L3ID_S)
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#define HNS3_RXD_L4ID_S 8
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#define HNS3_RXD_L4ID_M (0xf << HNS3_RXD_L4ID_S)
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#define HNS3_RXD_FRAG_B 12
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#define HNS3_RXD_L2E_B 16
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#define HNS3_RXD_L3E_B 17
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#define HNS3_RXD_L4E_B 18
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#define HNS3_RXD_TRUNCAT_B 19
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#define HNS3_RXD_HOI_B 20
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#define HNS3_RXD_DOI_B 21
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#define HNS3_RXD_OL3E_B 22
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#define HNS3_RXD_OL4E_B 23
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#define HNS3_RXD_ODMAC_S 0
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#define HNS3_RXD_ODMAC_M (0x3 << HNS3_RXD_ODMAC_S)
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#define HNS3_RXD_OVLAN_S 2
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#define HNS3_RXD_OVLAN_M (0x3 << HNS3_RXD_OVLAN_S)
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#define HNS3_RXD_OL3ID_S 4
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#define HNS3_RXD_OL3ID_M (0xf << HNS3_RXD_OL3ID_S)
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#define HNS3_RXD_OL4ID_S 8
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#define HNS3_RXD_OL4ID_M (0xf << HNS3_RXD_OL4ID_S)
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#define HNS3_RXD_FBHI_S 12
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#define HNS3_RXD_FBHI_M (0x3 << HNS3_RXD_FBHI_S)
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#define HNS3_RXD_FBLI_S 14
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#define HNS3_RXD_FBLI_M (0x3 << HNS3_RXD_FBLI_S)
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#define HNS3_RXD_BDTYPE_S 0
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#define HNS3_RXD_BDTYPE_M (0xf << HNS3_RXD_BDTYPE_S)
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#define HNS3_RXD_VLD_B 4
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#define HNS3_RXD_UDP0_B 5
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#define HNS3_RXD_EXTEND_B 7
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#define HNS3_RXD_FE_B 8
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#define HNS3_RXD_LUM_B 9
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#define HNS3_RXD_CRCP_B 10
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#define HNS3_RXD_L3L4P_B 11
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#define HNS3_RXD_TSIND_S 12
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#define HNS3_RXD_TSIND_M (0x7 << HNS3_RXD_TSIND_S)
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#define HNS3_RXD_LKBK_B 15
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#define HNS3_RXD_HDL_S 16
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#define HNS3_RXD_HDL_M (0x7ff << HNS3_RXD_HDL_S)
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#define HNS3_RXD_HSIND_B 31
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#define HNS3_TXD_L3T_S 0
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#define HNS3_TXD_L3T_M (0x3 << HNS3_TXD_L3T_S)
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#define HNS3_TXD_L4T_S 2
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#define HNS3_TXD_L4T_M (0x3 << HNS3_TXD_L4T_S)
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#define HNS3_TXD_L3CS_B 4
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#define HNS3_TXD_L4CS_B 5
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#define HNS3_TXD_VLAN_B 6
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#define HNS3_TXD_TSO_B 7
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#define HNS3_TXD_L2LEN_S 8
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#define HNS3_TXD_L2LEN_M (0xff << HNS3_TXD_L2LEN_S)
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#define HNS3_TXD_L3LEN_S 16
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#define HNS3_TXD_L3LEN_M (0xff << HNS3_TXD_L3LEN_S)
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#define HNS3_TXD_L4LEN_S 24
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#define HNS3_TXD_L4LEN_M (0xff << HNS3_TXD_L4LEN_S)
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#define HNS3_TXD_OL3T_S 0
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#define HNS3_TXD_OL3T_M (0x3 << HNS3_TXD_OL3T_S)
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#define HNS3_TXD_OVLAN_B 2
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#define HNS3_TXD_MACSEC_B 3
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#define HNS3_TXD_TUNTYPE_S 4
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#define HNS3_TXD_TUNTYPE_M (0xf << HNS3_TXD_TUNTYPE_S)
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#define HNS3_TXD_BDTYPE_S 0
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#define HNS3_TXD_BDTYPE_M (0xf << HNS3_TXD_BDTYPE_S)
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#define HNS3_TXD_FE_B 4
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#define HNS3_TXD_SC_S 5
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#define HNS3_TXD_SC_M (0x3 << HNS3_TXD_SC_S)
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#define HNS3_TXD_EXTEND_B 7
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#define HNS3_TXD_VLD_B 8
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#define HNS3_TXD_RI_B 9
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#define HNS3_TXD_RA_B 10
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#define HNS3_TXD_TSYN_B 11
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#define HNS3_TXD_DECTTL_S 12
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#define HNS3_TXD_DECTTL_M (0xf << HNS3_TXD_DECTTL_S)
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#define HNS3_TXD_MSS_S 0
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#define HNS3_TXD_MSS_M (0x3fff << HNS3_TXD_MSS_S)
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#define HNS3_VECTOR_TX_IRQ BIT_ULL(0)
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#define HNS3_VECTOR_RX_IRQ BIT_ULL(1)
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#define HNS3_VECTOR_NOT_INITED 0
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#define HNS3_VECTOR_INITED 1
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#define HNS3_MAX_BD_SIZE 65535
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#define HNS3_MAX_BD_PER_FRAG 8
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#define HNS3_MAX_BD_PER_PKT MAX_SKB_FRAGS
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#define HNS3_VECTOR_GL0_OFFSET 0x100
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#define HNS3_VECTOR_GL1_OFFSET 0x200
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#define HNS3_VECTOR_GL2_OFFSET 0x300
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#define HNS3_VECTOR_RL_OFFSET 0x900
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#define HNS3_VECTOR_RL_EN_B 6
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enum hns3_pkt_l3t_type {
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HNS3_L3T_NONE,
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HNS3_L3T_IPV6,
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HNS3_L3T_IPV4,
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HNS3_L3T_RESERVED
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};
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enum hns3_pkt_l4t_type {
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HNS3_L4T_UNKNOWN,
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HNS3_L4T_TCP,
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HNS3_L4T_UDP,
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HNS3_L4T_SCTP
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};
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enum hns3_pkt_ol3t_type {
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HNS3_OL3T_NONE,
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HNS3_OL3T_IPV6,
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HNS3_OL3T_IPV4_NO_CSUM,
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HNS3_OL3T_IPV4_CSUM
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};
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enum hns3_pkt_tun_type {
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HNS3_TUN_NONE,
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HNS3_TUN_MAC_IN_UDP,
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HNS3_TUN_NVGRE,
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HNS3_TUN_OTHER
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};
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/* hardware spec ring buffer format */
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struct __packed hns3_desc {
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__le64 addr;
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union {
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struct {
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__le16 vlan_tag;
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__le16 send_size;
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union {
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__le32 type_cs_vlan_tso_len;
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struct {
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__u8 type_cs_vlan_tso;
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__u8 l2_len;
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__u8 l3_len;
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__u8 l4_len;
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};
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};
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__le16 outer_vlan_tag;
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__le16 tv;
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union {
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__le32 ol_type_vlan_len_msec;
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struct {
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__u8 ol_type_vlan_msec;
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__u8 ol2_len;
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__u8 ol3_len;
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__u8 ol4_len;
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};
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};
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__le32 paylen;
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__le16 bdtp_fe_sc_vld_ra_ri;
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__le16 mss;
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} tx;
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struct {
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__le32 l234_info;
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__le16 pkt_len;
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__le16 size;
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__le32 rss_hash;
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__le16 fd_id;
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__le16 vlan_tag;
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union {
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__le32 ol_info;
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struct {
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__le16 o_dm_vlan_id_fb;
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__le16 ot_vlan_tag;
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};
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};
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__le32 bd_base_info;
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} rx;
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};
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};
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struct hns3_desc_cb {
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dma_addr_t dma; /* dma address of this desc */
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void *buf; /* cpu addr for a desc */
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/* priv data for the desc, e.g. skb when use with ip stack*/
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void *priv;
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u16 page_offset;
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u16 reuse_flag;
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u16 length; /* length of the buffer */
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/* desc type, used by the ring user to mark the type of the priv data */
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u16 type;
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};
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enum hns3_pkt_l3type {
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HNS3_L3_TYPE_IPV4,
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HNS3_L3_TYPE_IPV6,
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HNS3_L3_TYPE_ARP,
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HNS3_L3_TYPE_RARP,
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HNS3_L3_TYPE_IPV4_OPT,
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HNS3_L3_TYPE_IPV6_EXT,
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HNS3_L3_TYPE_LLDP,
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HNS3_L3_TYPE_BPDU,
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HNS3_L3_TYPE_MAC_PAUSE,
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HNS3_L3_TYPE_PFC_PAUSE,/* 0x9*/
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/* reserved for 0xA~0xB*/
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HNS3_L3_TYPE_CNM = 0xc,
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/* reserved for 0xD~0xE*/
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HNS3_L3_TYPE_PARSE_FAIL = 0xf /* must be last */
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};
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enum hns3_pkt_l4type {
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HNS3_L4_TYPE_UDP,
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HNS3_L4_TYPE_TCP,
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HNS3_L4_TYPE_GRE,
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HNS3_L4_TYPE_SCTP,
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HNS3_L4_TYPE_IGMP,
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HNS3_L4_TYPE_ICMP,
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/* reserved for 0x6~0xE */
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HNS3_L4_TYPE_PARSE_FAIL = 0xf /* must be last */
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};
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enum hns3_pkt_ol3type {
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HNS3_OL3_TYPE_IPV4 = 0,
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HNS3_OL3_TYPE_IPV6,
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/* reserved for 0x2~0x3 */
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HNS3_OL3_TYPE_IPV4_OPT = 4,
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HNS3_OL3_TYPE_IPV6_EXT,
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/* reserved for 0x6~0xE*/
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HNS3_OL3_TYPE_PARSE_FAIL = 0xf /* must be last */
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};
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enum hns3_pkt_ol4type {
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HNS3_OL4_TYPE_NO_TUN,
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HNS3_OL4_TYPE_MAC_IN_UDP,
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HNS3_OL4_TYPE_NVGRE,
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HNS3_OL4_TYPE_UNKNOWN
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};
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struct ring_stats {
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u64 io_err_cnt;
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u64 sw_err_cnt;
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u64 seg_pkt_cnt;
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union {
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struct {
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u64 tx_pkts;
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u64 tx_bytes;
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u64 tx_err_cnt;
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u64 restart_queue;
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u64 tx_busy;
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};
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struct {
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u64 rx_pkts;
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u64 rx_bytes;
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u64 rx_err_cnt;
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u64 reuse_pg_cnt;
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u64 err_pkt_len;
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u64 non_vld_descs;
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u64 err_bd_num;
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u64 l2_err;
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u64 l3l4_csum_err;
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};
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};
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};
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struct hns3_enet_ring {
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u8 __iomem *io_base; /* base io address for the ring */
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struct hns3_desc *desc; /* dma map address space */
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struct hns3_desc_cb *desc_cb;
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struct hns3_enet_ring *next;
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struct hns3_enet_tqp_vector *tqp_vector;
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struct hnae3_queue *tqp;
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char ring_name[HNS3_RING_NAME_LEN];
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struct device *dev; /* will be used for DMA mapping of descriptors */
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/* statistic */
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struct ring_stats stats;
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struct u64_stats_sync syncp;
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dma_addr_t desc_dma_addr;
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u32 buf_size; /* size for hnae_desc->addr, preset by AE */
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u16 desc_num; /* total number of desc */
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u16 max_desc_num_per_pkt;
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u16 max_raw_data_sz_per_desc;
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u16 max_pkt_size;
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int next_to_use; /* idx of next spare desc */
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/* idx of lastest sent desc, the ring is empty when equal to
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* next_to_use
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*/
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int next_to_clean;
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u32 flag; /* ring attribute */
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int irq_init_flag;
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int numa_node;
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cpumask_t affinity_mask;
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};
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struct hns_queue;
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struct hns3_nic_ring_data {
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struct hns3_enet_ring *ring;
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struct napi_struct napi;
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int queue_index;
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int (*poll_one)(struct hns3_nic_ring_data *, int, void *);
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void (*ex_process)(struct hns3_nic_ring_data *, struct sk_buff *);
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void (*fini_process)(struct hns3_nic_ring_data *);
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};
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struct hns3_nic_ops {
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int (*fill_desc)(struct hns3_enet_ring *ring, void *priv,
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int size, dma_addr_t dma, int frag_end,
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enum hns_desc_type type);
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int (*maybe_stop_tx)(struct sk_buff **out_skb,
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int *bnum, struct hns3_enet_ring *ring);
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void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum);
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};
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enum hns3_flow_level_range {
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HNS3_FLOW_LOW = 0,
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HNS3_FLOW_MID = 1,
|
|
HNS3_FLOW_HIGH = 2,
|
|
HNS3_FLOW_ULTRA = 3,
|
|
};
|
|
|
|
enum hns3_link_mode_bits {
|
|
HNS3_LM_FIBRE_BIT = BIT(0),
|
|
HNS3_LM_AUTONEG_BIT = BIT(1),
|
|
HNS3_LM_TP_BIT = BIT(2),
|
|
HNS3_LM_PAUSE_BIT = BIT(3),
|
|
HNS3_LM_BACKPLANE_BIT = BIT(4),
|
|
HNS3_LM_10BASET_HALF_BIT = BIT(5),
|
|
HNS3_LM_10BASET_FULL_BIT = BIT(6),
|
|
HNS3_LM_100BASET_HALF_BIT = BIT(7),
|
|
HNS3_LM_100BASET_FULL_BIT = BIT(8),
|
|
HNS3_LM_1000BASET_FULL_BIT = BIT(9),
|
|
HNS3_LM_10000BASEKR_FULL_BIT = BIT(10),
|
|
HNS3_LM_25000BASEKR_FULL_BIT = BIT(11),
|
|
HNS3_LM_40000BASELR4_FULL_BIT = BIT(12),
|
|
HNS3_LM_50000BASEKR2_FULL_BIT = BIT(13),
|
|
HNS3_LM_100000BASEKR4_FULL_BIT = BIT(14),
|
|
HNS3_LM_COUNT = 15
|
|
};
|
|
|
|
#define HNS3_INT_GL_50K 0x000A
|
|
#define HNS3_INT_GL_20K 0x0019
|
|
#define HNS3_INT_GL_18K 0x001B
|
|
#define HNS3_INT_GL_8K 0x003E
|
|
|
|
struct hns3_enet_ring_group {
|
|
/* array of pointers to rings */
|
|
struct hns3_enet_ring *ring;
|
|
u64 total_bytes; /* total bytes processed this group */
|
|
u64 total_packets; /* total packets processed this group */
|
|
u16 count;
|
|
enum hns3_flow_level_range flow_level;
|
|
u16 int_gl;
|
|
};
|
|
|
|
struct hns3_enet_tqp_vector {
|
|
struct hnae3_handle *handle;
|
|
u8 __iomem *mask_addr;
|
|
int vector_irq;
|
|
int irq_init_flag;
|
|
|
|
u16 idx; /* index in the TQP vector array per handle. */
|
|
|
|
struct napi_struct napi;
|
|
|
|
struct hns3_enet_ring_group rx_group;
|
|
struct hns3_enet_ring_group tx_group;
|
|
|
|
u16 num_tqps; /* total number of tqps in TQP vector */
|
|
|
|
cpumask_t affinity_mask;
|
|
char name[HNAE3_INT_NAME_LEN];
|
|
|
|
/* when 0 should adjust interrupt coalesce parameter */
|
|
u8 int_adapt_down;
|
|
} ____cacheline_internodealigned_in_smp;
|
|
|
|
enum hns3_udp_tnl_type {
|
|
HNS3_UDP_TNL_VXLAN,
|
|
HNS3_UDP_TNL_GENEVE,
|
|
HNS3_UDP_TNL_MAX,
|
|
};
|
|
|
|
struct hns3_udp_tunnel {
|
|
u16 dst_port;
|
|
int used;
|
|
};
|
|
|
|
struct hns3_nic_priv {
|
|
struct hnae3_handle *ae_handle;
|
|
u32 enet_ver;
|
|
u32 port_id;
|
|
struct net_device *netdev;
|
|
struct device *dev;
|
|
struct hns3_nic_ops ops;
|
|
|
|
/**
|
|
* the cb for nic to manage the ring buffer, the first half of the
|
|
* array is for tx_ring and vice versa for the second half
|
|
*/
|
|
struct hns3_nic_ring_data *ring_data;
|
|
struct hns3_enet_tqp_vector *tqp_vector;
|
|
u16 vector_num;
|
|
|
|
/* The most recently read link state */
|
|
int link;
|
|
u64 tx_timeout_count;
|
|
enum hnae3_reset_type reset_level;
|
|
unsigned long last_reset_time;
|
|
|
|
unsigned long state;
|
|
|
|
struct timer_list service_timer;
|
|
|
|
struct work_struct service_task;
|
|
|
|
struct notifier_block notifier_block;
|
|
/* Vxlan/Geneve information */
|
|
struct hns3_udp_tunnel udp_tnl[HNS3_UDP_TNL_MAX];
|
|
};
|
|
|
|
union l3_hdr_info {
|
|
struct iphdr *v4;
|
|
struct ipv6hdr *v6;
|
|
unsigned char *hdr;
|
|
};
|
|
|
|
union l4_hdr_info {
|
|
struct tcphdr *tcp;
|
|
struct udphdr *udp;
|
|
unsigned char *hdr;
|
|
};
|
|
|
|
/* the distance between [begin, end) in a ring buffer
|
|
* note: there is a unuse slot between the begin and the end
|
|
*/
|
|
static inline int ring_dist(struct hns3_enet_ring *ring, int begin, int end)
|
|
{
|
|
return (end - begin + ring->desc_num) % ring->desc_num;
|
|
}
|
|
|
|
static inline int ring_space(struct hns3_enet_ring *ring)
|
|
{
|
|
return ring->desc_num -
|
|
ring_dist(ring, ring->next_to_clean, ring->next_to_use) - 1;
|
|
}
|
|
|
|
static inline int is_ring_empty(struct hns3_enet_ring *ring)
|
|
{
|
|
return ring->next_to_use == ring->next_to_clean;
|
|
}
|
|
|
|
static inline void hns3_write_reg(void __iomem *base, u32 reg, u32 value)
|
|
{
|
|
u8 __iomem *reg_addr = READ_ONCE(base);
|
|
|
|
writel(value, reg_addr + reg);
|
|
}
|
|
|
|
#define hns3_write_dev(a, reg, value) \
|
|
hns3_write_reg((a)->io_base, (reg), (value))
|
|
|
|
#define hnae_queue_xmit(tqp, buf_num) writel_relaxed(buf_num, \
|
|
(tqp)->io_base + HNS3_RING_TX_RING_TAIL_REG)
|
|
|
|
#define ring_to_dev(ring) (&(ring)->tqp->handle->pdev->dev)
|
|
|
|
#define ring_to_dma_dir(ring) (HNAE3_IS_TX_RING(ring) ? \
|
|
DMA_TO_DEVICE : DMA_FROM_DEVICE)
|
|
|
|
#define tx_ring_data(priv, idx) ((priv)->ring_data[idx])
|
|
|
|
#define hnae_buf_size(_ring) ((_ring)->buf_size)
|
|
#define hnae_page_order(_ring) (get_order(hnae_buf_size(_ring)))
|
|
#define hnae_page_size(_ring) (PAGE_SIZE << hnae_page_order(_ring))
|
|
|
|
/* iterator for handling rings in ring group */
|
|
#define hns3_for_each_ring(pos, head) \
|
|
for (pos = (head).ring; pos; pos = pos->next)
|
|
|
|
#define hns3_get_handle(ndev) \
|
|
(((struct hns3_nic_priv *)netdev_priv(ndev))->ae_handle)
|
|
|
|
void hns3_ethtool_set_ops(struct net_device *netdev);
|
|
|
|
bool hns3_clean_tx_ring(struct hns3_enet_ring *ring, int budget);
|
|
int hns3_init_all_ring(struct hns3_nic_priv *priv);
|
|
int hns3_uninit_all_ring(struct hns3_nic_priv *priv);
|
|
netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev);
|
|
int hns3_clean_rx_ring(
|
|
struct hns3_enet_ring *ring, int budget,
|
|
void (*rx_fn)(struct hns3_enet_ring *, struct sk_buff *));
|
|
|
|
#ifdef CONFIG_HNS3_DCB
|
|
void hns3_dcbnl_setup(struct hnae3_handle *handle);
|
|
#else
|
|
static inline void hns3_dcbnl_setup(struct hnae3_handle *handle) {}
|
|
#endif
|
|
|
|
#endif
|