treewide: remove redundant IS_ERR() before error code check

[linux/fpc-iii.git] / drivers / net / ethernet / marvell / mvpp2 / mvpp2.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Definitions for Marvell PPv2 network controller for Armada 375 SoC.
 *
 * Copyright (C) 2014 Marvell
 *
 * Marcin Wojtas <mw@semihalf.com>
 */
#ifndef _MVPP2_H_
#define _MVPP2_H_

#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
#include <linux/phylink.h>
#include <net/flow_offload.h>

/* Fifo Registers */
#define MVPP2_RX_DATA_FIFO_SIZE_REG(port)       (0x00 + 4 * (port))
#define MVPP2_RX_ATTR_FIFO_SIZE_REG(port)       (0x20 + 4 * (port))
#define MVPP2_RX_MIN_PKT_SIZE_REG               0x60
#define MVPP2_RX_FIFO_INIT_REG                  0x64
#define MVPP22_TX_FIFO_THRESH_REG(port)         (0x8840 + 4 * (port))
#define MVPP22_TX_FIFO_SIZE_REG(port)           (0x8860 + 4 * (port))

/* RX DMA Top Registers */
#define MVPP2_RX_CTRL_REG(port)                 (0x140 + 4 * (port))
#define     MVPP2_RX_LOW_LATENCY_PKT_SIZE(s)    (((s) & 0xfff) << 16)
#define     MVPP2_RX_USE_PSEUDO_FOR_CSUM_MASK   BIT(31)
#define MVPP2_POOL_BUF_SIZE_REG(pool)           (0x180 + 4 * (pool))
#define     MVPP2_POOL_BUF_SIZE_OFFSET          5
#define MVPP2_RXQ_CONFIG_REG(rxq)               (0x800 + 4 * (rxq))
#define     MVPP2_SNOOP_PKT_SIZE_MASK           0x1ff
#define     MVPP2_SNOOP_BUF_HDR_MASK            BIT(9)
#define     MVPP2_RXQ_POOL_SHORT_OFFS           20
#define     MVPP21_RXQ_POOL_SHORT_MASK          0x700000
#define     MVPP22_RXQ_POOL_SHORT_MASK          0xf00000
#define     MVPP2_RXQ_POOL_LONG_OFFS            24
#define     MVPP21_RXQ_POOL_LONG_MASK           0x7000000
#define     MVPP22_RXQ_POOL_LONG_MASK           0xf000000
#define     MVPP2_RXQ_PACKET_OFFSET_OFFS        28
#define     MVPP2_RXQ_PACKET_OFFSET_MASK        0x70000000
#define     MVPP2_RXQ_DISABLE_MASK              BIT(31)

/* Top Registers */
#define MVPP2_MH_REG(port)                      (0x5040 + 4 * (port))
#define MVPP2_DSA_EXTENDED                      BIT(5)

/* Parser Registers */
#define MVPP2_PRS_INIT_LOOKUP_REG               0x1000
#define     MVPP2_PRS_PORT_LU_MAX               0xf
#define     MVPP2_PRS_PORT_LU_MASK(port)        (0xff << ((port) * 4))
#define     MVPP2_PRS_PORT_LU_VAL(port, val)    ((val) << ((port) * 4))
#define MVPP2_PRS_INIT_OFFS_REG(port)           (0x1004 + ((port) & 4))
#define     MVPP2_PRS_INIT_OFF_MASK(port)       (0x3f << (((port) % 4) * 8))
#define     MVPP2_PRS_INIT_OFF_VAL(port, val)   ((val) << (((port) % 4) * 8))
#define MVPP2_PRS_MAX_LOOP_REG(port)            (0x100c + ((port) & 4))
#define     MVPP2_PRS_MAX_LOOP_MASK(port)       (0xff << (((port) % 4) * 8))
#define     MVPP2_PRS_MAX_LOOP_VAL(port, val)   ((val) << (((port) % 4) * 8))
#define MVPP2_PRS_TCAM_IDX_REG                  0x1100
#define MVPP2_PRS_TCAM_DATA_REG(idx)            (0x1104 + (idx) * 4)
#define     MVPP2_PRS_TCAM_INV_MASK             BIT(31)
#define MVPP2_PRS_SRAM_IDX_REG                  0x1200
#define MVPP2_PRS_SRAM_DATA_REG(idx)            (0x1204 + (idx) * 4)
#define MVPP2_PRS_TCAM_CTRL_REG                 0x1230
#define     MVPP2_PRS_TCAM_EN_MASK              BIT(0)
#define MVPP2_PRS_TCAM_HIT_IDX_REG              0x1240
#define MVPP2_PRS_TCAM_HIT_CNT_REG              0x1244
#define     MVPP2_PRS_TCAM_HIT_CNT_MASK         GENMASK(15, 0)

/* RSS Registers */
#define MVPP22_RSS_INDEX                        0x1500
#define     MVPP22_RSS_INDEX_TABLE_ENTRY(idx)   (idx)
#define     MVPP22_RSS_INDEX_TABLE(idx)         ((idx) << 8)
#define     MVPP22_RSS_INDEX_QUEUE(idx)         ((idx) << 16)
#define MVPP22_RXQ2RSS_TABLE                    0x1504
#define     MVPP22_RSS_TABLE_POINTER(p)         (p)
#define MVPP22_RSS_TABLE_ENTRY                  0x1508
#define MVPP22_RSS_WIDTH                        0x150c

/* Classifier Registers */
#define MVPP2_CLS_MODE_REG                      0x1800
#define     MVPP2_CLS_MODE_ACTIVE_MASK          BIT(0)
#define MVPP2_CLS_PORT_WAY_REG                  0x1810
#define     MVPP2_CLS_PORT_WAY_MASK(port)       (1 << (port))
#define MVPP2_CLS_LKP_INDEX_REG                 0x1814
#define     MVPP2_CLS_LKP_INDEX_WAY_OFFS        6
#define MVPP2_CLS_LKP_TBL_REG                   0x1818
#define     MVPP2_CLS_LKP_TBL_RXQ_MASK          0xff
#define     MVPP2_CLS_LKP_FLOW_PTR(flow)        ((flow) << 16)
#define     MVPP2_CLS_LKP_TBL_LOOKUP_EN_MASK    BIT(25)
#define MVPP2_CLS_FLOW_INDEX_REG                0x1820
#define MVPP2_CLS_FLOW_TBL0_REG                 0x1824
#define     MVPP2_CLS_FLOW_TBL0_LAST            BIT(0)
#define     MVPP2_CLS_FLOW_TBL0_ENG_MASK        0x7
#define     MVPP2_CLS_FLOW_TBL0_OFFS            1
#define     MVPP2_CLS_FLOW_TBL0_ENG(x)          ((x) << 1)
#define     MVPP2_CLS_FLOW_TBL0_PORT_ID_MASK    0xff
#define     MVPP2_CLS_FLOW_TBL0_PORT_ID(port)   ((port) << 4)
#define     MVPP2_CLS_FLOW_TBL0_PORT_ID_SEL     BIT(23)
#define MVPP2_CLS_FLOW_TBL1_REG                 0x1828
#define     MVPP2_CLS_FLOW_TBL1_N_FIELDS_MASK   0x7
#define     MVPP2_CLS_FLOW_TBL1_N_FIELDS(x)     (x)
#define     MVPP2_CLS_FLOW_TBL1_LU_TYPE(lu)     (((lu) & 0x3f) << 3)
#define     MVPP2_CLS_FLOW_TBL1_PRIO_MASK       0x3f
#define     MVPP2_CLS_FLOW_TBL1_PRIO(x)         ((x) << 9)
#define     MVPP2_CLS_FLOW_TBL1_SEQ_MASK        0x7
#define     MVPP2_CLS_FLOW_TBL1_SEQ(x)          ((x) << 15)
#define MVPP2_CLS_FLOW_TBL2_REG                 0x182c
#define     MVPP2_CLS_FLOW_TBL2_FLD_MASK        0x3f
#define     MVPP2_CLS_FLOW_TBL2_FLD_OFFS(n)     ((n) * 6)
#define     MVPP2_CLS_FLOW_TBL2_FLD(n, x)       ((x) << ((n) * 6))
#define MVPP2_CLS_OVERSIZE_RXQ_LOW_REG(port)    (0x1980 + ((port) * 4))
#define     MVPP2_CLS_OVERSIZE_RXQ_LOW_BITS     3
#define     MVPP2_CLS_OVERSIZE_RXQ_LOW_MASK     0x7
#define MVPP2_CLS_SWFWD_P2HQ_REG(port)          (0x19b0 + ((port) * 4))
#define MVPP2_CLS_SWFWD_PCTRL_REG               0x19d0
#define     MVPP2_CLS_SWFWD_PCTRL_MASK(port)    (1 << (port))

/* Classifier C2 engine Registers */
#define MVPP22_CLS_C2_TCAM_IDX                  0x1b00
#define MVPP22_CLS_C2_TCAM_DATA0                0x1b10
#define MVPP22_CLS_C2_TCAM_DATA1                0x1b14
#define MVPP22_CLS_C2_TCAM_DATA2                0x1b18
#define MVPP22_CLS_C2_TCAM_DATA3                0x1b1c
#define MVPP22_CLS_C2_TCAM_DATA4                0x1b20
#define     MVPP22_CLS_C2_LU_TYPE(lu)           ((lu) & 0x3f)
#define     MVPP22_CLS_C2_PORT_ID(port)         ((port) << 8)
#define     MVPP22_CLS_C2_PORT_MASK             (0xff << 8)
#define MVPP22_CLS_C2_TCAM_INV                  0x1b24
#define     MVPP22_CLS_C2_TCAM_INV_BIT          BIT(31)
#define MVPP22_CLS_C2_HIT_CTR                   0x1b50
#define MVPP22_CLS_C2_ACT                       0x1b60
#define     MVPP22_CLS_C2_ACT_RSS_EN(act)       (((act) & 0x3) << 19)
#define     MVPP22_CLS_C2_ACT_FWD(act)          (((act) & 0x7) << 13)
#define     MVPP22_CLS_C2_ACT_QHIGH(act)        (((act) & 0x3) << 11)
#define     MVPP22_CLS_C2_ACT_QLOW(act)         (((act) & 0x3) << 9)
#define     MVPP22_CLS_C2_ACT_COLOR(act)        ((act) & 0x7)
#define MVPP22_CLS_C2_ATTR0                     0x1b64
#define     MVPP22_CLS_C2_ATTR0_QHIGH(qh)       (((qh) & 0x1f) << 24)
#define     MVPP22_CLS_C2_ATTR0_QHIGH_MASK      0x1f
#define     MVPP22_CLS_C2_ATTR0_QHIGH_OFFS      24
#define     MVPP22_CLS_C2_ATTR0_QLOW(ql)        (((ql) & 0x7) << 21)
#define     MVPP22_CLS_C2_ATTR0_QLOW_MASK       0x7
#define     MVPP22_CLS_C2_ATTR0_QLOW_OFFS       21
#define MVPP22_CLS_C2_ATTR1                     0x1b68
#define MVPP22_CLS_C2_ATTR2                     0x1b6c
#define     MVPP22_CLS_C2_ATTR2_RSS_EN          BIT(30)
#define MVPP22_CLS_C2_ATTR3                     0x1b70
#define MVPP22_CLS_C2_TCAM_CTRL                 0x1b90
#define     MVPP22_CLS_C2_TCAM_BYPASS_FIFO      BIT(0)

/* Descriptor Manager Top Registers */
#define MVPP2_RXQ_NUM_REG                       0x2040
#define MVPP2_RXQ_DESC_ADDR_REG                 0x2044
#define     MVPP22_DESC_ADDR_OFFS               8
#define MVPP2_RXQ_DESC_SIZE_REG                 0x2048
#define     MVPP2_RXQ_DESC_SIZE_MASK            0x3ff0
#define MVPP2_RXQ_STATUS_UPDATE_REG(rxq)        (0x3000 + 4 * (rxq))
#define     MVPP2_RXQ_NUM_PROCESSED_OFFSET      0
#define     MVPP2_RXQ_NUM_NEW_OFFSET            16
#define MVPP2_RXQ_STATUS_REG(rxq)               (0x3400 + 4 * (rxq))
#define     MVPP2_RXQ_OCCUPIED_MASK             0x3fff
#define     MVPP2_RXQ_NON_OCCUPIED_OFFSET       16
#define     MVPP2_RXQ_NON_OCCUPIED_MASK         0x3fff0000
#define MVPP2_RXQ_THRESH_REG                    0x204c
#define     MVPP2_OCCUPIED_THRESH_OFFSET        0
#define     MVPP2_OCCUPIED_THRESH_MASK          0x3fff
#define MVPP2_RXQ_INDEX_REG                     0x2050
#define MVPP2_TXQ_NUM_REG                       0x2080
#define MVPP2_TXQ_DESC_ADDR_REG                 0x2084
#define MVPP2_TXQ_DESC_SIZE_REG                 0x2088
#define     MVPP2_TXQ_DESC_SIZE_MASK            0x3ff0
#define MVPP2_TXQ_THRESH_REG                    0x2094
#define     MVPP2_TXQ_THRESH_OFFSET             16
#define     MVPP2_TXQ_THRESH_MASK               0x3fff
#define MVPP2_AGGR_TXQ_UPDATE_REG               0x2090
#define MVPP2_TXQ_INDEX_REG                     0x2098
#define MVPP2_TXQ_PREF_BUF_REG                  0x209c
#define     MVPP2_PREF_BUF_PTR(desc)            ((desc) & 0xfff)
#define     MVPP2_PREF_BUF_SIZE_4               (BIT(12) | BIT(13))
#define     MVPP2_PREF_BUF_SIZE_16              (BIT(12) | BIT(14))
#define     MVPP2_PREF_BUF_THRESH(val)          ((val) << 17)
#define     MVPP2_TXQ_DRAIN_EN_MASK             BIT(31)
#define MVPP2_TXQ_PENDING_REG                   0x20a0
#define     MVPP2_TXQ_PENDING_MASK              0x3fff
#define MVPP2_TXQ_INT_STATUS_REG                0x20a4
#define MVPP2_TXQ_SENT_REG(txq)                 (0x3c00 + 4 * (txq))
#define     MVPP2_TRANSMITTED_COUNT_OFFSET      16
#define     MVPP2_TRANSMITTED_COUNT_MASK        0x3fff0000
#define MVPP2_TXQ_RSVD_REQ_REG                  0x20b0
#define     MVPP2_TXQ_RSVD_REQ_Q_OFFSET         16
#define MVPP2_TXQ_RSVD_RSLT_REG                 0x20b4
#define     MVPP2_TXQ_RSVD_RSLT_MASK            0x3fff
#define MVPP2_TXQ_RSVD_CLR_REG                  0x20b8
#define     MVPP2_TXQ_RSVD_CLR_OFFSET           16
#define MVPP2_AGGR_TXQ_DESC_ADDR_REG(cpu)       (0x2100 + 4 * (cpu))
#define     MVPP22_AGGR_TXQ_DESC_ADDR_OFFS      8
#define MVPP2_AGGR_TXQ_DESC_SIZE_REG(cpu)       (0x2140 + 4 * (cpu))
#define     MVPP2_AGGR_TXQ_DESC_SIZE_MASK       0x3ff0
#define MVPP2_AGGR_TXQ_STATUS_REG(cpu)          (0x2180 + 4 * (cpu))
#define     MVPP2_AGGR_TXQ_PENDING_MASK         0x3fff
#define MVPP2_AGGR_TXQ_INDEX_REG(cpu)           (0x21c0 + 4 * (cpu))

/* MBUS bridge registers */
#define MVPP2_WIN_BASE(w)                       (0x4000 + ((w) << 2))
#define MVPP2_WIN_SIZE(w)                       (0x4020 + ((w) << 2))
#define MVPP2_WIN_REMAP(w)                      (0x4040 + ((w) << 2))
#define MVPP2_BASE_ADDR_ENABLE                  0x4060

/* AXI Bridge Registers */
#define MVPP22_AXI_BM_WR_ATTR_REG               0x4100
#define MVPP22_AXI_BM_RD_ATTR_REG               0x4104
#define MVPP22_AXI_AGGRQ_DESCR_RD_ATTR_REG      0x4110
#define MVPP22_AXI_TXQ_DESCR_WR_ATTR_REG        0x4114
#define MVPP22_AXI_TXQ_DESCR_RD_ATTR_REG        0x4118
#define MVPP22_AXI_RXQ_DESCR_WR_ATTR_REG        0x411c
#define MVPP22_AXI_RX_DATA_WR_ATTR_REG          0x4120
#define MVPP22_AXI_TX_DATA_RD_ATTR_REG          0x4130
#define MVPP22_AXI_RD_NORMAL_CODE_REG           0x4150
#define MVPP22_AXI_RD_SNOOP_CODE_REG            0x4154
#define MVPP22_AXI_WR_NORMAL_CODE_REG           0x4160
#define MVPP22_AXI_WR_SNOOP_CODE_REG            0x4164

/* Values for AXI Bridge registers */
#define MVPP22_AXI_ATTR_CACHE_OFFS              0
#define MVPP22_AXI_ATTR_DOMAIN_OFFS             12

#define MVPP22_AXI_CODE_CACHE_OFFS              0
#define MVPP22_AXI_CODE_DOMAIN_OFFS             4

#define MVPP22_AXI_CODE_CACHE_NON_CACHE         0x3
#define MVPP22_AXI_CODE_CACHE_WR_CACHE          0x7
#define MVPP22_AXI_CODE_CACHE_RD_CACHE          0xb

#define MVPP22_AXI_CODE_DOMAIN_OUTER_DOM        2
#define MVPP22_AXI_CODE_DOMAIN_SYSTEM           3

/* Interrupt Cause and Mask registers */
#define MVPP2_ISR_TX_THRESHOLD_REG(port)        (0x5140 + 4 * (port))
#define     MVPP2_MAX_ISR_TX_THRESHOLD          0xfffff0

#define MVPP2_ISR_RX_THRESHOLD_REG(rxq)         (0x5200 + 4 * (rxq))
#define     MVPP2_MAX_ISR_RX_THRESHOLD          0xfffff0
#define MVPP21_ISR_RXQ_GROUP_REG(port)          (0x5400 + 4 * (port))

#define MVPP22_ISR_RXQ_GROUP_INDEX_REG          0x5400
#define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK   0x380
#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_OFFSET 7

#define MVPP22_ISR_RXQ_GROUP_INDEX_SUBGROUP_MASK 0xf
#define MVPP22_ISR_RXQ_GROUP_INDEX_GROUP_MASK   0x380

#define MVPP22_ISR_RXQ_SUB_GROUP_CONFIG_REG     0x5404
#define MVPP22_ISR_RXQ_SUB_GROUP_STARTQ_MASK    0x1f
#define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_MASK      0xf00
#define MVPP22_ISR_RXQ_SUB_GROUP_SIZE_OFFSET    8

#define MVPP2_ISR_ENABLE_REG(port)              (0x5420 + 4 * (port))
#define     MVPP2_ISR_ENABLE_INTERRUPT(mask)    ((mask) & 0xffff)
#define     MVPP2_ISR_DISABLE_INTERRUPT(mask)   (((mask) << 16) & 0xffff0000)
#define MVPP2_ISR_RX_TX_CAUSE_REG(port)         (0x5480 + 4 * (port))
#define     MVPP2_CAUSE_RXQ_OCCUP_DESC_ALL_MASK(version) \
                                        ((version) == MVPP21 ? 0xffff : 0xff)
#define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_MASK 0xff0000
#define     MVPP2_CAUSE_TXQ_OCCUP_DESC_ALL_OFFSET       16
#define     MVPP2_CAUSE_RX_FIFO_OVERRUN_MASK    BIT(24)
#define     MVPP2_CAUSE_FCS_ERR_MASK            BIT(25)
#define     MVPP2_CAUSE_TX_FIFO_UNDERRUN_MASK   BIT(26)
#define     MVPP2_CAUSE_TX_EXCEPTION_SUM_MASK   BIT(29)
#define     MVPP2_CAUSE_RX_EXCEPTION_SUM_MASK   BIT(30)
#define     MVPP2_CAUSE_MISC_SUM_MASK           BIT(31)
#define MVPP2_ISR_RX_TX_MASK_REG(port)          (0x54a0 + 4 * (port))
#define MVPP2_ISR_PON_RX_TX_MASK_REG            0x54bc
#define     MVPP2_PON_CAUSE_RXQ_OCCUP_DESC_ALL_MASK     0xffff
#define     MVPP2_PON_CAUSE_TXP_OCCUP_DESC_ALL_MASK     0x3fc00000
#define     MVPP2_PON_CAUSE_MISC_SUM_MASK               BIT(31)
#define MVPP2_ISR_MISC_CAUSE_REG                0x55b0

/* Buffer Manager registers */
#define MVPP2_BM_POOL_BASE_REG(pool)            (0x6000 + ((pool) * 4))
#define     MVPP2_BM_POOL_BASE_ADDR_MASK        0xfffff80
#define MVPP2_BM_POOL_SIZE_REG(pool)            (0x6040 + ((pool) * 4))
#define     MVPP2_BM_POOL_SIZE_MASK             0xfff0
#define MVPP2_BM_POOL_READ_PTR_REG(pool)        (0x6080 + ((pool) * 4))
#define     MVPP2_BM_POOL_GET_READ_PTR_MASK     0xfff0
#define MVPP2_BM_POOL_PTRS_NUM_REG(pool)        (0x60c0 + ((pool) * 4))
#define     MVPP2_BM_POOL_PTRS_NUM_MASK         0xfff0
#define MVPP2_BM_BPPI_READ_PTR_REG(pool)        (0x6100 + ((pool) * 4))
#define MVPP2_BM_BPPI_PTRS_NUM_REG(pool)        (0x6140 + ((pool) * 4))
#define     MVPP2_BM_BPPI_PTR_NUM_MASK          0x7ff
#define MVPP22_BM_POOL_PTRS_NUM_MASK            0xfff8
#define     MVPP2_BM_BPPI_PREFETCH_FULL_MASK    BIT(16)
#define MVPP2_BM_POOL_CTRL_REG(pool)            (0x6200 + ((pool) * 4))
#define     MVPP2_BM_START_MASK                 BIT(0)
#define     MVPP2_BM_STOP_MASK                  BIT(1)
#define     MVPP2_BM_STATE_MASK                 BIT(4)
#define     MVPP2_BM_LOW_THRESH_OFFS            8
#define     MVPP2_BM_LOW_THRESH_MASK            0x7f00
#define     MVPP2_BM_LOW_THRESH_VALUE(val)      ((val) << \
                                                MVPP2_BM_LOW_THRESH_OFFS)
#define     MVPP2_BM_HIGH_THRESH_OFFS           16
#define     MVPP2_BM_HIGH_THRESH_MASK           0x7f0000
#define     MVPP2_BM_HIGH_THRESH_VALUE(val)     ((val) << \
                                                MVPP2_BM_HIGH_THRESH_OFFS)
#define MVPP2_BM_INTR_CAUSE_REG(pool)           (0x6240 + ((pool) * 4))
#define     MVPP2_BM_RELEASED_DELAY_MASK        BIT(0)
#define     MVPP2_BM_ALLOC_FAILED_MASK          BIT(1)
#define     MVPP2_BM_BPPE_EMPTY_MASK            BIT(2)
#define     MVPP2_BM_BPPE_FULL_MASK             BIT(3)
#define     MVPP2_BM_AVAILABLE_BP_LOW_MASK      BIT(4)
#define MVPP2_BM_INTR_MASK_REG(pool)            (0x6280 + ((pool) * 4))
#define MVPP2_BM_PHY_ALLOC_REG(pool)            (0x6400 + ((pool) * 4))
#define     MVPP2_BM_PHY_ALLOC_GRNTD_MASK       BIT(0)
#define MVPP2_BM_VIRT_ALLOC_REG                 0x6440
#define MVPP22_BM_ADDR_HIGH_ALLOC               0x6444
#define     MVPP22_BM_ADDR_HIGH_PHYS_MASK       0xff
#define     MVPP22_BM_ADDR_HIGH_VIRT_MASK       0xff00
#define     MVPP22_BM_ADDR_HIGH_VIRT_SHIFT      8
#define MVPP2_BM_PHY_RLS_REG(pool)              (0x6480 + ((pool) * 4))
#define     MVPP2_BM_PHY_RLS_MC_BUFF_MASK       BIT(0)
#define     MVPP2_BM_PHY_RLS_PRIO_EN_MASK       BIT(1)
#define     MVPP2_BM_PHY_RLS_GRNTD_MASK         BIT(2)
#define MVPP2_BM_VIRT_RLS_REG                   0x64c0
#define MVPP22_BM_ADDR_HIGH_RLS_REG             0x64c4
#define     MVPP22_BM_ADDR_HIGH_PHYS_RLS_MASK   0xff
#define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_MASK   0xff00
#define     MVPP22_BM_ADDR_HIGH_VIRT_RLS_SHIFT  8

/* Packet Processor per-port counters */
#define MVPP2_OVERRUN_ETH_DROP                  0x7000
#define MVPP2_CLS_ETH_DROP                      0x7020

/* Hit counters registers */
#define MVPP2_CTRS_IDX                          0x7040
#define     MVPP22_CTRS_TX_CTR(port, txq)       ((txq) | ((port) << 3) | BIT(7))
#define MVPP2_TX_DESC_ENQ_CTR                   0x7100
#define MVPP2_TX_DESC_ENQ_TO_DDR_CTR            0x7104
#define MVPP2_TX_BUFF_ENQ_TO_DDR_CTR            0x7108
#define MVPP2_TX_DESC_ENQ_HW_FWD_CTR            0x710c
#define MVPP2_RX_DESC_ENQ_CTR                   0x7120
#define MVPP2_TX_PKTS_DEQ_CTR                   0x7130
#define MVPP2_TX_PKTS_FULL_QUEUE_DROP_CTR       0x7200
#define MVPP2_TX_PKTS_EARLY_DROP_CTR            0x7204
#define MVPP2_TX_PKTS_BM_DROP_CTR               0x7208
#define MVPP2_TX_PKTS_BM_MC_DROP_CTR            0x720c
#define MVPP2_RX_PKTS_FULL_QUEUE_DROP_CTR       0x7220
#define MVPP2_RX_PKTS_EARLY_DROP_CTR            0x7224
#define MVPP2_RX_PKTS_BM_DROP_CTR               0x7228
#define MVPP2_CLS_DEC_TBL_HIT_CTR               0x7700
#define MVPP2_CLS_FLOW_TBL_HIT_CTR              0x7704

/* TX Scheduler registers */
#define MVPP2_TXP_SCHED_PORT_INDEX_REG          0x8000
#define MVPP2_TXP_SCHED_Q_CMD_REG               0x8004
#define     MVPP2_TXP_SCHED_ENQ_MASK            0xff
#define     MVPP2_TXP_SCHED_DISQ_OFFSET         8
#define MVPP2_TXP_SCHED_CMD_1_REG               0x8010
#define MVPP2_TXP_SCHED_FIXED_PRIO_REG          0x8014
#define MVPP2_TXP_SCHED_PERIOD_REG              0x8018
#define MVPP2_TXP_SCHED_MTU_REG                 0x801c
#define     MVPP2_TXP_MTU_MAX                   0x7FFFF
#define MVPP2_TXP_SCHED_REFILL_REG              0x8020
#define     MVPP2_TXP_REFILL_TOKENS_ALL_MASK    0x7ffff
#define     MVPP2_TXP_REFILL_PERIOD_ALL_MASK    0x3ff00000
#define     MVPP2_TXP_REFILL_PERIOD_MASK(v)     ((v) << 20)
#define MVPP2_TXP_SCHED_TOKEN_SIZE_REG          0x8024
#define     MVPP2_TXP_TOKEN_SIZE_MAX            0xffffffff
#define MVPP2_TXQ_SCHED_REFILL_REG(q)           (0x8040 + ((q) << 2))
#define     MVPP2_TXQ_REFILL_TOKENS_ALL_MASK    0x7ffff
#define     MVPP2_TXQ_REFILL_PERIOD_ALL_MASK    0x3ff00000
#define     MVPP2_TXQ_REFILL_PERIOD_MASK(v)     ((v) << 20)
#define MVPP2_TXQ_SCHED_TOKEN_SIZE_REG(q)       (0x8060 + ((q) << 2))
#define     MVPP2_TXQ_TOKEN_SIZE_MAX            0x7fffffff
#define MVPP2_TXQ_SCHED_TOKEN_CNTR_REG(q)       (0x8080 + ((q) << 2))
#define     MVPP2_TXQ_TOKEN_CNTR_MAX            0xffffffff

/* TX general registers */
#define MVPP2_TX_SNOOP_REG                      0x8800
#define MVPP2_TX_PORT_FLUSH_REG                 0x8810
#define     MVPP2_TX_PORT_FLUSH_MASK(port)      (1 << (port))

/* LMS registers */
#define MVPP2_SRC_ADDR_MIDDLE                   0x24
#define MVPP2_SRC_ADDR_HIGH                     0x28
#define MVPP2_PHY_AN_CFG0_REG                   0x34
#define     MVPP2_PHY_AN_STOP_SMI0_MASK         BIT(7)
#define MVPP2_MNG_EXTENDED_GLOBAL_CTRL_REG      0x305c
#define     MVPP2_EXT_GLOBAL_CTRL_DEFAULT       0x27

/* Per-port registers */
#define MVPP2_GMAC_CTRL_0_REG                   0x0
#define     MVPP2_GMAC_PORT_EN_MASK             BIT(0)
#define     MVPP2_GMAC_PORT_TYPE_MASK           BIT(1)
#define     MVPP2_GMAC_MAX_RX_SIZE_OFFS         2
#define     MVPP2_GMAC_MAX_RX_SIZE_MASK         0x7ffc
#define     MVPP2_GMAC_MIB_CNTR_EN_MASK         BIT(15)
#define MVPP2_GMAC_CTRL_1_REG                   0x4
#define     MVPP2_GMAC_PERIODIC_XON_EN_MASK     BIT(1)
#define     MVPP2_GMAC_GMII_LB_EN_MASK          BIT(5)
#define     MVPP2_GMAC_PCS_LB_EN_BIT            6
#define     MVPP2_GMAC_PCS_LB_EN_MASK           BIT(6)
#define     MVPP2_GMAC_SA_LOW_OFFS              7
#define MVPP2_GMAC_CTRL_2_REG                   0x8
#define     MVPP2_GMAC_INBAND_AN_MASK           BIT(0)
#define     MVPP2_GMAC_FLOW_CTRL_MASK           GENMASK(2, 1)
#define     MVPP2_GMAC_PCS_ENABLE_MASK          BIT(3)
#define     MVPP2_GMAC_INTERNAL_CLK_MASK        BIT(4)
#define     MVPP2_GMAC_DISABLE_PADDING          BIT(5)
#define     MVPP2_GMAC_PORT_RESET_MASK          BIT(6)
#define MVPP2_GMAC_AUTONEG_CONFIG               0xc
#define     MVPP2_GMAC_FORCE_LINK_DOWN          BIT(0)
#define     MVPP2_GMAC_FORCE_LINK_PASS          BIT(1)
#define     MVPP2_GMAC_IN_BAND_AUTONEG          BIT(2)
#define     MVPP2_GMAC_IN_BAND_AUTONEG_BYPASS   BIT(3)
#define     MVPP2_GMAC_IN_BAND_RESTART_AN       BIT(4)
#define     MVPP2_GMAC_CONFIG_MII_SPEED         BIT(5)
#define     MVPP2_GMAC_CONFIG_GMII_SPEED        BIT(6)
#define     MVPP2_GMAC_AN_SPEED_EN              BIT(7)
#define     MVPP2_GMAC_FC_ADV_EN                BIT(9)
#define     MVPP2_GMAC_FC_ADV_ASM_EN            BIT(10)
#define     MVPP2_GMAC_FLOW_CTRL_AUTONEG        BIT(11)
#define     MVPP2_GMAC_CONFIG_FULL_DUPLEX       BIT(12)
#define     MVPP2_GMAC_AN_DUPLEX_EN             BIT(13)
#define MVPP2_GMAC_STATUS0                      0x10
#define     MVPP2_GMAC_STATUS0_LINK_UP          BIT(0)
#define     MVPP2_GMAC_STATUS0_GMII_SPEED       BIT(1)
#define     MVPP2_GMAC_STATUS0_MII_SPEED        BIT(2)
#define     MVPP2_GMAC_STATUS0_FULL_DUPLEX      BIT(3)
#define     MVPP2_GMAC_STATUS0_RX_PAUSE         BIT(4)
#define     MVPP2_GMAC_STATUS0_TX_PAUSE         BIT(5)
#define     MVPP2_GMAC_STATUS0_AN_COMPLETE      BIT(11)
#define MVPP2_GMAC_PORT_FIFO_CFG_1_REG          0x1c
#define     MVPP2_GMAC_TX_FIFO_MIN_TH_OFFS      6
#define     MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK  0x1fc0
#define     MVPP2_GMAC_TX_FIFO_MIN_TH_MASK(v)   (((v) << 6) & \
                                        MVPP2_GMAC_TX_FIFO_MIN_TH_ALL_MASK)
#define MVPP22_GMAC_INT_STAT                    0x20
#define     MVPP22_GMAC_INT_STAT_LINK           BIT(1)
#define MVPP22_GMAC_INT_MASK                    0x24
#define     MVPP22_GMAC_INT_MASK_LINK_STAT      BIT(1)
#define MVPP22_GMAC_CTRL_4_REG                  0x90
#define     MVPP22_CTRL4_EXT_PIN_GMII_SEL       BIT(0)
#define     MVPP22_CTRL4_RX_FC_EN               BIT(3)
#define     MVPP22_CTRL4_TX_FC_EN               BIT(4)
#define     MVPP22_CTRL4_DP_CLK_SEL             BIT(5)
#define     MVPP22_CTRL4_SYNC_BYPASS_DIS        BIT(6)
#define     MVPP22_CTRL4_QSGMII_BYPASS_ACTIVE   BIT(7)
#define MVPP22_GMAC_INT_SUM_MASK                0xa4
#define     MVPP22_GMAC_INT_SUM_MASK_LINK_STAT  BIT(1)

/* Per-port XGMAC registers. PPv2.2 only, only for GOP port 0,
 * relative to port->base.
 */
#define MVPP22_XLG_CTRL0_REG                    0x100
#define     MVPP22_XLG_CTRL0_PORT_EN            BIT(0)
#define     MVPP22_XLG_CTRL0_MAC_RESET_DIS      BIT(1)
#define     MVPP22_XLG_CTRL0_FORCE_LINK_DOWN    BIT(2)
#define     MVPP22_XLG_CTRL0_FORCE_LINK_PASS    BIT(3)
#define     MVPP22_XLG_CTRL0_RX_FLOW_CTRL_EN    BIT(7)
#define     MVPP22_XLG_CTRL0_TX_FLOW_CTRL_EN    BIT(8)
#define     MVPP22_XLG_CTRL0_MIB_CNT_DIS        BIT(14)
#define MVPP22_XLG_CTRL1_REG                    0x104
#define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_OFFS        0
#define     MVPP22_XLG_CTRL1_FRAMESIZELIMIT_MASK        0x1fff
#define MVPP22_XLG_STATUS                       0x10c
#define     MVPP22_XLG_STATUS_LINK_UP           BIT(0)
#define MVPP22_XLG_INT_STAT                     0x114
#define     MVPP22_XLG_INT_STAT_LINK            BIT(1)
#define MVPP22_XLG_INT_MASK                     0x118
#define     MVPP22_XLG_INT_MASK_LINK            BIT(1)
#define MVPP22_XLG_CTRL3_REG                    0x11c
#define     MVPP22_XLG_CTRL3_MACMODESELECT_MASK (7 << 13)
#define     MVPP22_XLG_CTRL3_MACMODESELECT_GMAC (0 << 13)
#define     MVPP22_XLG_CTRL3_MACMODESELECT_10G  (1 << 13)
#define MVPP22_XLG_EXT_INT_MASK                 0x15c
#define     MVPP22_XLG_EXT_INT_MASK_XLG         BIT(1)
#define     MVPP22_XLG_EXT_INT_MASK_GIG         BIT(2)
#define MVPP22_XLG_CTRL4_REG                    0x184
#define     MVPP22_XLG_CTRL4_FWD_FC             BIT(5)
#define     MVPP22_XLG_CTRL4_FWD_PFC            BIT(6)
#define     MVPP22_XLG_CTRL4_MACMODSELECT_GMAC  BIT(12)
#define     MVPP22_XLG_CTRL4_EN_IDLE_CHECK      BIT(14)

/* SMI registers. PPv2.2 only, relative to priv->iface_base. */
#define MVPP22_SMI_MISC_CFG_REG                 0x1204
#define     MVPP22_SMI_POLLING_EN               BIT(10)

#define MVPP22_GMAC_BASE(port)          (0x7000 + (port) * 0x1000 + 0xe00)

#define MVPP2_CAUSE_TXQ_SENT_DESC_ALL_MASK      0xff

/* Descriptor ring Macros */
#define MVPP2_QUEUE_NEXT_DESC(q, index) \
        (((index) < (q)->last_desc) ? ((index) + 1) : 0)

/* XPCS registers. PPv2.2 only */
#define MVPP22_MPCS_BASE(port)                  (0x7000 + (port) * 0x1000)
#define MVPP22_MPCS_CTRL                        0x14
#define     MVPP22_MPCS_CTRL_FWD_ERR_CONN       BIT(10)
#define MVPP22_MPCS_CLK_RESET                   0x14c
#define     MAC_CLK_RESET_SD_TX                 BIT(0)
#define     MAC_CLK_RESET_SD_RX                 BIT(1)
#define     MAC_CLK_RESET_MAC                   BIT(2)
#define     MVPP22_MPCS_CLK_RESET_DIV_RATIO(n)  ((n) << 4)
#define     MVPP22_MPCS_CLK_RESET_DIV_SET       BIT(11)

/* XPCS registers. PPv2.2 only */
#define MVPP22_XPCS_BASE(port)                  (0x7400 + (port) * 0x1000)
#define MVPP22_XPCS_CFG0                        0x0
#define     MVPP22_XPCS_CFG0_RESET_DIS          BIT(0)
#define     MVPP22_XPCS_CFG0_PCS_MODE(n)        ((n) << 3)
#define     MVPP22_XPCS_CFG0_ACTIVE_LANE(n)     ((n) << 5)

/* System controller registers. Accessed through a regmap. */
#define GENCONF_SOFT_RESET1                             0x1108
#define     GENCONF_SOFT_RESET1_GOP                     BIT(6)
#define GENCONF_PORT_CTRL0                              0x1110
#define     GENCONF_PORT_CTRL0_BUS_WIDTH_SELECT         BIT(1)
#define     GENCONF_PORT_CTRL0_RX_DATA_SAMPLE           BIT(29)
#define     GENCONF_PORT_CTRL0_CLK_DIV_PHASE_CLR        BIT(31)
#define GENCONF_PORT_CTRL1                              0x1114
#define     GENCONF_PORT_CTRL1_EN(p)                    BIT(p)
#define     GENCONF_PORT_CTRL1_RESET(p)                 (BIT(p) << 28)
#define GENCONF_CTRL0                                   0x1120
#define     GENCONF_CTRL0_PORT0_RGMII                   BIT(0)
#define     GENCONF_CTRL0_PORT1_RGMII_MII               BIT(1)
#define     GENCONF_CTRL0_PORT1_RGMII                   BIT(2)

/* Various constants */

/* Coalescing */
#define MVPP2_TXDONE_COAL_PKTS_THRESH   64
#define MVPP2_TXDONE_HRTIMER_PERIOD_NS  1000000UL
#define MVPP2_TXDONE_COAL_USEC          1000
#define MVPP2_RX_COAL_PKTS              32
#define MVPP2_RX_COAL_USEC              64

/* The two bytes Marvell header. Either contains a special value used
 * by Marvell switches when a specific hardware mode is enabled (not
 * supported by this driver) or is filled automatically by zeroes on
 * the RX side. Those two bytes being at the front of the Ethernet
 * header, they allow to have the IP header aligned on a 4 bytes
 * boundary automatically: the hardware skips those two bytes on its
 * own.
 */
#define MVPP2_MH_SIZE                   2
#define MVPP2_ETH_TYPE_LEN              2
#define MVPP2_PPPOE_HDR_SIZE            8
#define MVPP2_VLAN_TAG_LEN              4
#define MVPP2_VLAN_TAG_EDSA_LEN         8

/* Lbtd 802.3 type */
#define MVPP2_IP_LBDT_TYPE              0xfffa

#define MVPP2_TX_CSUM_MAX_SIZE          9800

/* Timeout constants */
#define MVPP2_TX_DISABLE_TIMEOUT_MSEC   1000
#define MVPP2_TX_PENDING_TIMEOUT_MSEC   1000

#define MVPP2_TX_MTU_MAX                0x7ffff

/* Maximum number of T-CONTs of PON port */
#define MVPP2_MAX_TCONT                 16

/* Maximum number of supported ports */
#define MVPP2_MAX_PORTS                 4

/* Maximum number of TXQs used by single port */
#define MVPP2_MAX_TXQ                   8

/* MVPP2_MAX_TSO_SEGS is the maximum number of fragments to allow in the GSO
 * skb. As we need a maxium of two descriptors per fragments (1 header, 1 data),
 * multiply this value by two to count the maximum number of skb descs needed.
 */
#define MVPP2_MAX_TSO_SEGS              300
#define MVPP2_MAX_SKB_DESCS             (MVPP2_MAX_TSO_SEGS * 2 + MAX_SKB_FRAGS)

/* Max number of RXQs per port */
#define MVPP2_PORT_MAX_RXQ              32

/* Max number of Rx descriptors */
#define MVPP2_MAX_RXD_MAX               1024
#define MVPP2_MAX_RXD_DFLT              128

/* Max number of Tx descriptors */
#define MVPP2_MAX_TXD_MAX               2048
#define MVPP2_MAX_TXD_DFLT              1024

/* Amount of Tx descriptors that can be reserved at once by CPU */
#define MVPP2_CPU_DESC_CHUNK            64

/* Max number of Tx descriptors in each aggregated queue */
#define MVPP2_AGGR_TXQ_SIZE             256

/* Descriptor aligned size */
#define MVPP2_DESC_ALIGNED_SIZE         32

/* Descriptor alignment mask */
#define MVPP2_TX_DESC_ALIGN             (MVPP2_DESC_ALIGNED_SIZE - 1)

/* RX FIFO constants */
#define MVPP2_RX_FIFO_PORT_DATA_SIZE_32KB       0x8000
#define MVPP2_RX_FIFO_PORT_DATA_SIZE_8KB        0x2000
#define MVPP2_RX_FIFO_PORT_DATA_SIZE_4KB        0x1000
#define MVPP2_RX_FIFO_PORT_ATTR_SIZE_32KB       0x200
#define MVPP2_RX_FIFO_PORT_ATTR_SIZE_8KB        0x80
#define MVPP2_RX_FIFO_PORT_ATTR_SIZE_4KB        0x40
#define MVPP2_RX_FIFO_PORT_MIN_PKT              0x80

/* TX FIFO constants */
#define MVPP22_TX_FIFO_DATA_SIZE_10KB           0xa
#define MVPP22_TX_FIFO_DATA_SIZE_3KB            0x3
#define MVPP2_TX_FIFO_THRESHOLD_MIN             256
#define MVPP2_TX_FIFO_THRESHOLD_10KB    \
        (MVPP22_TX_FIFO_DATA_SIZE_10KB * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)
#define MVPP2_TX_FIFO_THRESHOLD_3KB     \
        (MVPP22_TX_FIFO_DATA_SIZE_3KB * 1024 - MVPP2_TX_FIFO_THRESHOLD_MIN)

/* RX buffer constants */
#define MVPP2_SKB_SHINFO_SIZE \
        SKB_DATA_ALIGN(sizeof(struct skb_shared_info))

#define MVPP2_RX_PKT_SIZE(mtu) \
        ALIGN((mtu) + MVPP2_MH_SIZE + MVPP2_VLAN_TAG_LEN + \
              ETH_HLEN + ETH_FCS_LEN, cache_line_size())

#define MVPP2_RX_BUF_SIZE(pkt_size)     ((pkt_size) + NET_SKB_PAD)
#define MVPP2_RX_TOTAL_SIZE(buf_size)   ((buf_size) + MVPP2_SKB_SHINFO_SIZE)
#define MVPP2_RX_MAX_PKT_SIZE(total_size) \
        ((total_size) - NET_SKB_PAD - MVPP2_SKB_SHINFO_SIZE)

#define MVPP2_BIT_TO_BYTE(bit)          ((bit) / 8)
#define MVPP2_BIT_TO_WORD(bit)          ((bit) / 32)
#define MVPP2_BIT_IN_WORD(bit)          ((bit) % 32)

#define MVPP2_N_PRS_FLOWS               52
#define MVPP2_N_RFS_ENTRIES_PER_FLOW    4

/* There are 7 supported high-level flows */
#define MVPP2_N_RFS_RULES               (MVPP2_N_RFS_ENTRIES_PER_FLOW * 7)

/* RSS constants */
#define MVPP22_N_RSS_TABLES             8
#define MVPP22_RSS_TABLE_ENTRIES        32

/* IPv6 max L3 address size */
#define MVPP2_MAX_L3_ADDR_SIZE          16

/* Port flags */
#define MVPP2_F_LOOPBACK                BIT(0)
#define MVPP2_F_DT_COMPAT               BIT(1)

/* Marvell tag types */
enum mvpp2_tag_type {
        MVPP2_TAG_TYPE_NONE = 0,
        MVPP2_TAG_TYPE_MH   = 1,
        MVPP2_TAG_TYPE_DSA  = 2,
        MVPP2_TAG_TYPE_EDSA = 3,
        MVPP2_TAG_TYPE_VLAN = 4,
        MVPP2_TAG_TYPE_LAST = 5
};

/* L2 cast enum */
enum mvpp2_prs_l2_cast {
        MVPP2_PRS_L2_UNI_CAST,
        MVPP2_PRS_L2_MULTI_CAST,
};

/* L3 cast enum */
enum mvpp2_prs_l3_cast {
        MVPP2_PRS_L3_UNI_CAST,
        MVPP2_PRS_L3_MULTI_CAST,
        MVPP2_PRS_L3_BROAD_CAST
};

/* BM constants */
#define MVPP2_BM_JUMBO_BUF_NUM          512
#define MVPP2_BM_LONG_BUF_NUM           1024
#define MVPP2_BM_SHORT_BUF_NUM          2048
#define MVPP2_BM_POOL_SIZE_MAX          (16*1024 - MVPP2_BM_POOL_PTR_ALIGN/4)
#define MVPP2_BM_POOL_PTR_ALIGN         128
#define MVPP2_BM_MAX_POOLS              8

/* BM cookie (32 bits) definition */
#define MVPP2_BM_COOKIE_POOL_OFFS       8
#define MVPP2_BM_COOKIE_CPU_OFFS        24

#define MVPP2_BM_SHORT_FRAME_SIZE               512
#define MVPP2_BM_LONG_FRAME_SIZE                2048
#define MVPP2_BM_JUMBO_FRAME_SIZE               10240
/* BM short pool packet size
 * These value assure that for SWF the total number
 * of bytes allocated for each buffer will be 512
 */
#define MVPP2_BM_SHORT_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_SHORT_FRAME_SIZE)
#define MVPP2_BM_LONG_PKT_SIZE  MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_LONG_FRAME_SIZE)
#define MVPP2_BM_JUMBO_PKT_SIZE MVPP2_RX_MAX_PKT_SIZE(MVPP2_BM_JUMBO_FRAME_SIZE)

#define MVPP21_ADDR_SPACE_SZ            0
#define MVPP22_ADDR_SPACE_SZ            SZ_64K

#define MVPP2_MAX_THREADS               9
#define MVPP2_MAX_QVECS                 MVPP2_MAX_THREADS

/* GMAC MIB Counters register definitions */
#define MVPP21_MIB_COUNTERS_OFFSET              0x1000
#define MVPP21_MIB_COUNTERS_PORT_SZ             0x400
#define MVPP22_MIB_COUNTERS_OFFSET              0x0
#define MVPP22_MIB_COUNTERS_PORT_SZ             0x100

#define MVPP2_MIB_GOOD_OCTETS_RCVD              0x0
#define MVPP2_MIB_BAD_OCTETS_RCVD               0x8
#define MVPP2_MIB_CRC_ERRORS_SENT               0xc
#define MVPP2_MIB_UNICAST_FRAMES_RCVD           0x10
#define MVPP2_MIB_BROADCAST_FRAMES_RCVD         0x18
#define MVPP2_MIB_MULTICAST_FRAMES_RCVD         0x1c
#define MVPP2_MIB_FRAMES_64_OCTETS              0x20
#define MVPP2_MIB_FRAMES_65_TO_127_OCTETS       0x24
#define MVPP2_MIB_FRAMES_128_TO_255_OCTETS      0x28
#define MVPP2_MIB_FRAMES_256_TO_511_OCTETS      0x2c
#define MVPP2_MIB_FRAMES_512_TO_1023_OCTETS     0x30
#define MVPP2_MIB_FRAMES_1024_TO_MAX_OCTETS     0x34
#define MVPP2_MIB_GOOD_OCTETS_SENT              0x38
#define MVPP2_MIB_UNICAST_FRAMES_SENT           0x40
#define MVPP2_MIB_MULTICAST_FRAMES_SENT         0x48
#define MVPP2_MIB_BROADCAST_FRAMES_SENT         0x4c
#define MVPP2_MIB_FC_SENT                       0x54
#define MVPP2_MIB_FC_RCVD                       0x58
#define MVPP2_MIB_RX_FIFO_OVERRUN               0x5c
#define MVPP2_MIB_UNDERSIZE_RCVD                0x60
#define MVPP2_MIB_FRAGMENTS_RCVD                0x64
#define MVPP2_MIB_OVERSIZE_RCVD                 0x68
#define MVPP2_MIB_JABBER_RCVD                   0x6c
#define MVPP2_MIB_MAC_RCV_ERROR                 0x70
#define MVPP2_MIB_BAD_CRC_EVENT                 0x74
#define MVPP2_MIB_COLLISION                     0x78
#define MVPP2_MIB_LATE_COLLISION                0x7c

#define MVPP2_MIB_COUNTERS_STATS_DELAY          (1 * HZ)

#define MVPP2_DESC_DMA_MASK     DMA_BIT_MASK(40)

/* Definitions */
struct mvpp2_dbgfs_entries;

struct mvpp2_rss_table {
        u32 indir[MVPP22_RSS_TABLE_ENTRIES];
};

/* Shared Packet Processor resources */
struct mvpp2 {
        /* Shared registers' base addresses */
        void __iomem *lms_base;
        void __iomem *iface_base;

        /* On PPv2.2, each "software thread" can access the base
         * register through a separate address space, each 64 KB apart
         * from each other. Typically, such address spaces will be
         * used per CPU.
         */
        void __iomem *swth_base[MVPP2_MAX_THREADS];

        /* On PPv2.2, some port control registers are located into the system
         * controller space. These registers are accessible through a regmap.
         */
        struct regmap *sysctrl_base;

        /* Common clocks */
        struct clk *pp_clk;
        struct clk *gop_clk;
        struct clk *mg_clk;
        struct clk *mg_core_clk;
        struct clk *axi_clk;

        /* List of pointers to port structures */
        int port_count;
        struct mvpp2_port *port_list[MVPP2_MAX_PORTS];

        /* Number of Tx threads used */
        unsigned int nthreads;
        /* Map of threads needing locking */
        unsigned long lock_map;

        /* Aggregated TXQs */
        struct mvpp2_tx_queue *aggr_txqs;

        /* Are we using page_pool with per-cpu pools? */
        int percpu_pools;

        /* BM pools */
        struct mvpp2_bm_pool *bm_pools;

        /* PRS shadow table */
        struct mvpp2_prs_shadow *prs_shadow;
        /* PRS auxiliary table for double vlan entries control */
        bool *prs_double_vlans;

        /* Tclk value */
        u32 tclk;

        /* HW version */
        enum { MVPP21, MVPP22 } hw_version;

        /* Maximum number of RXQs per port */
        unsigned int max_port_rxqs;

        /* Workqueue to gather hardware statistics */
        char queue_name[30];
        struct workqueue_struct *stats_queue;

        /* Debugfs root entry */
        struct dentry *dbgfs_dir;

        /* Debugfs entries private data */
        struct mvpp2_dbgfs_entries *dbgfs_entries;

        /* RSS Indirection tables */
        struct mvpp2_rss_table *rss_tables[MVPP22_N_RSS_TABLES];
};

struct mvpp2_pcpu_stats {
        struct  u64_stats_sync syncp;
        u64     rx_packets;
        u64     rx_bytes;
        u64     tx_packets;
        u64     tx_bytes;
};

/* Per-CPU port control */
struct mvpp2_port_pcpu {
        struct hrtimer tx_done_timer;
        struct net_device *dev;
        bool timer_scheduled;
};

struct mvpp2_queue_vector {
        int irq;
        struct napi_struct napi;
        enum { MVPP2_QUEUE_VECTOR_SHARED, MVPP2_QUEUE_VECTOR_PRIVATE } type;
        int sw_thread_id;
        u16 sw_thread_mask;
        int first_rxq;
        int nrxqs;
        u32 pending_cause_rx;
        struct mvpp2_port *port;
        struct cpumask *mask;
};

/* Internal represention of a Flow Steering rule */
struct mvpp2_rfs_rule {
        /* Rule location inside the flow*/
        int loc;

        /* Flow type, such as TCP_V4_FLOW, IP6_FLOW, etc. */
        int flow_type;

        /* Index of the C2 TCAM entry handling this rule */
        int c2_index;

        /* Header fields that needs to be extracted to match this flow */
        u16 hek_fields;

        /* CLS engine : only c2 is supported for now. */
        u8 engine;

        /* TCAM key and mask for C2-based steering. These fields should be
         * encapsulated in a union should we add more engines.
         */
        u64 c2_tcam;
        u64 c2_tcam_mask;

        struct flow_rule *flow;
};

struct mvpp2_ethtool_fs {
        struct mvpp2_rfs_rule rule;
        struct ethtool_rxnfc rxnfc;
};

struct mvpp2_port {
        u8 id;

        /* Index of the port from the "group of ports" complex point
         * of view. This is specific to PPv2.2.
         */
        int gop_id;

        int link_irq;

        struct mvpp2 *priv;

        /* Firmware node associated to the port */
        struct fwnode_handle *fwnode;

        /* Is a PHY always connected to the port */
        bool has_phy;

        /* Per-port registers' base address */
        void __iomem *base;
        void __iomem *stats_base;

        struct mvpp2_rx_queue **rxqs;
        unsigned int nrxqs;
        struct mvpp2_tx_queue **txqs;
        unsigned int ntxqs;
        struct net_device *dev;

        int pkt_size;

        /* Per-CPU port control */
        struct mvpp2_port_pcpu __percpu *pcpu;

        /* Protect the BM refills and the Tx paths when a thread is used on more
         * than a single CPU.
         */
        spinlock_t bm_lock[MVPP2_MAX_THREADS];
        spinlock_t tx_lock[MVPP2_MAX_THREADS];

        /* Flags */
        unsigned long flags;

        u16 tx_ring_size;
        u16 rx_ring_size;
        struct mvpp2_pcpu_stats __percpu *stats;
        u64 *ethtool_stats;

        /* Per-port work and its lock to gather hardware statistics */
        struct mutex gather_stats_lock;
        struct delayed_work stats_work;

        struct device_node *of_node;

        phy_interface_t phy_interface;
        struct phylink *phylink;
        struct phylink_config phylink_config;
        struct phy *comphy;

        struct mvpp2_bm_pool *pool_long;
        struct mvpp2_bm_pool *pool_short;

        /* Index of first port's physical RXQ */
        u8 first_rxq;

        struct mvpp2_queue_vector qvecs[MVPP2_MAX_QVECS];
        unsigned int nqvecs;
        bool has_tx_irqs;

        u32 tx_time_coal;

        /* List of steering rules active on that port */
        struct mvpp2_ethtool_fs *rfs_rules[MVPP2_N_RFS_ENTRIES_PER_FLOW];
        int n_rfs_rules;

        /* Each port has its own view of the rss contexts, so that it can number
         * them from 0
         */
        int rss_ctx[MVPP22_N_RSS_TABLES];
};

/* The mvpp2_tx_desc and mvpp2_rx_desc structures describe the
 * layout of the transmit and reception DMA descriptors, and their
 * layout is therefore defined by the hardware design
 */

#define MVPP2_TXD_L3_OFF_SHIFT          0
#define MVPP2_TXD_IP_HLEN_SHIFT         8
#define MVPP2_TXD_L4_CSUM_FRAG          BIT(13)
#define MVPP2_TXD_L4_CSUM_NOT           BIT(14)
#define MVPP2_TXD_IP_CSUM_DISABLE       BIT(15)
#define MVPP2_TXD_PADDING_DISABLE       BIT(23)
#define MVPP2_TXD_L4_UDP                BIT(24)
#define MVPP2_TXD_L3_IP6                BIT(26)
#define MVPP2_TXD_L_DESC                BIT(28)
#define MVPP2_TXD_F_DESC                BIT(29)

#define MVPP2_RXD_ERR_SUMMARY           BIT(15)
#define MVPP2_RXD_ERR_CODE_MASK         (BIT(13) | BIT(14))
#define MVPP2_RXD_ERR_CRC               0x0
#define MVPP2_RXD_ERR_OVERRUN           BIT(13)
#define MVPP2_RXD_ERR_RESOURCE          (BIT(13) | BIT(14))
#define MVPP2_RXD_BM_POOL_ID_OFFS       16
#define MVPP2_RXD_BM_POOL_ID_MASK       (BIT(16) | BIT(17) | BIT(18))
#define MVPP2_RXD_HWF_SYNC              BIT(21)
#define MVPP2_RXD_L4_CSUM_OK            BIT(22)
#define MVPP2_RXD_IP4_HEADER_ERR        BIT(24)
#define MVPP2_RXD_L4_TCP                BIT(25)
#define MVPP2_RXD_L4_UDP                BIT(26)
#define MVPP2_RXD_L3_IP4                BIT(28)
#define MVPP2_RXD_L3_IP6                BIT(30)
#define MVPP2_RXD_BUF_HDR               BIT(31)

/* HW TX descriptor for PPv2.1 */
struct mvpp21_tx_desc {
        __le32 command;         /* Options used by HW for packet transmitting.*/
        u8  packet_offset;      /* the offset from the buffer beginning */
        u8  phys_txq;           /* destination queue ID                 */
        __le16 data_size;       /* data size of transmitted packet in bytes */
        __le32 buf_dma_addr;    /* physical addr of transmitted buffer  */
        __le32 buf_cookie;      /* cookie for access to TX buffer in tx path */
        __le32 reserved1[3];    /* hw_cmd (for future use, BM, PON, PNC) */
        __le32 reserved2;       /* reserved (for future use)            */
};

/* HW RX descriptor for PPv2.1 */
struct mvpp21_rx_desc {
        __le32 status;          /* info about received packet           */
        __le16 reserved1;       /* parser_info (for future use, PnC)    */
        __le16 data_size;       /* size of received packet in bytes     */
        __le32 buf_dma_addr;    /* physical address of the buffer       */
        __le32 buf_cookie;      /* cookie for access to RX buffer in rx path */
        __le16 reserved2;       /* gem_port_id (for future use, PON)    */
        __le16 reserved3;       /* csum_l4 (for future use, PnC)        */
        u8  reserved4;          /* bm_qset (for future use, BM)         */
        u8  reserved5;
        __le16 reserved6;       /* classify_info (for future use, PnC)  */
        __le32 reserved7;       /* flow_id (for future use, PnC) */
        __le32 reserved8;
};

/* HW TX descriptor for PPv2.2 */
struct mvpp22_tx_desc {
        __le32 command;
        u8  packet_offset;
        u8  phys_txq;
        __le16 data_size;
        __le64 reserved1;
        __le64 buf_dma_addr_ptp;
        __le64 buf_cookie_misc;
};

/* HW RX descriptor for PPv2.2 */
struct mvpp22_rx_desc {
        __le32 status;
        __le16 reserved1;
        __le16 data_size;
        __le32 reserved2;
        __le32 reserved3;
        __le64 buf_dma_addr_key_hash;
        __le64 buf_cookie_misc;
};

/* Opaque type used by the driver to manipulate the HW TX and RX
 * descriptors
 */
struct mvpp2_tx_desc {
        union {
                struct mvpp21_tx_desc pp21;
                struct mvpp22_tx_desc pp22;
        };
};

struct mvpp2_rx_desc {
        union {
                struct mvpp21_rx_desc pp21;
                struct mvpp22_rx_desc pp22;
        };
};

struct mvpp2_txq_pcpu_buf {
        /* Transmitted SKB */
        struct sk_buff *skb;

        /* Physical address of transmitted buffer */
        dma_addr_t dma;

        /* Size transmitted */
        size_t size;
};

/* Per-CPU Tx queue control */
struct mvpp2_txq_pcpu {
        unsigned int thread;

        /* Number of Tx DMA descriptors in the descriptor ring */
        int size;

        /* Number of currently used Tx DMA descriptor in the
         * descriptor ring
         */
        int count;

        int wake_threshold;
        int stop_threshold;

        /* Number of Tx DMA descriptors reserved for each CPU */
        int reserved_num;

        /* Infos about transmitted buffers */
        struct mvpp2_txq_pcpu_buf *buffs;

        /* Index of last TX DMA descriptor that was inserted */
        int txq_put_index;

        /* Index of the TX DMA descriptor to be cleaned up */
        int txq_get_index;

        /* DMA buffer for TSO headers */
        char *tso_headers;
        dma_addr_t tso_headers_dma;
};

struct mvpp2_tx_queue {
        /* Physical number of this Tx queue */
        u8 id;

        /* Logical number of this Tx queue */
        u8 log_id;

        /* Number of Tx DMA descriptors in the descriptor ring */
        int size;

        /* Number of currently used Tx DMA descriptor in the descriptor ring */
        int count;

        /* Per-CPU control of physical Tx queues */
        struct mvpp2_txq_pcpu __percpu *pcpu;

        u32 done_pkts_coal;

        /* Virtual address of thex Tx DMA descriptors array */
        struct mvpp2_tx_desc *descs;

        /* DMA address of the Tx DMA descriptors array */
        dma_addr_t descs_dma;

        /* Index of the last Tx DMA descriptor */
        int last_desc;

        /* Index of the next Tx DMA descriptor to process */
        int next_desc_to_proc;
};

struct mvpp2_rx_queue {
        /* RX queue number, in the range 0-31 for physical RXQs */
        u8 id;

        /* Num of rx descriptors in the rx descriptor ring */
        int size;

        u32 pkts_coal;
        u32 time_coal;

        /* Virtual address of the RX DMA descriptors array */
        struct mvpp2_rx_desc *descs;

        /* DMA address of the RX DMA descriptors array */
        dma_addr_t descs_dma;

        /* Index of the last RX DMA descriptor */
        int last_desc;

        /* Index of the next RX DMA descriptor to process */
        int next_desc_to_proc;

        /* ID of port to which physical RXQ is mapped */
        int port;

        /* Port's logic RXQ number to which physical RXQ is mapped */
        int logic_rxq;
};

struct mvpp2_bm_pool {
        /* Pool number in the range 0-7 */
        int id;

        /* Buffer Pointers Pool External (BPPE) size */
        int size;
        /* BPPE size in bytes */
        int size_bytes;
        /* Number of buffers for this pool */
        int buf_num;
        /* Pool buffer size */
        int buf_size;
        /* Packet size */
        int pkt_size;
        int frag_size;

        /* BPPE virtual base address */
        u32 *virt_addr;
        /* BPPE DMA base address */
        dma_addr_t dma_addr;

        /* Ports using BM pool */
        u32 port_map;
};

#define IS_TSO_HEADER(txq_pcpu, addr) \
        ((addr) >= (txq_pcpu)->tso_headers_dma && \
         (addr) < (txq_pcpu)->tso_headers_dma + \
         (txq_pcpu)->size * TSO_HEADER_SIZE)

#define MVPP2_DRIVER_NAME "mvpp2"
#define MVPP2_DRIVER_VERSION "1.0"

void mvpp2_write(struct mvpp2 *priv, u32 offset, u32 data);
u32 mvpp2_read(struct mvpp2 *priv, u32 offset);

void mvpp2_dbgfs_init(struct mvpp2 *priv, const char *name);

void mvpp2_dbgfs_cleanup(struct mvpp2 *priv);

#endif