Release 4.18 drivers/net/ethernet/marvell/mvpp2/mvpp2.h
/*
* Definitions for Marvell PPv2 network controller for Armada 375 SoC.
*
* Copyright (C) 2014 Marvell
*
* Marcin Wojtas <mw@semihalf.com>
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef _MVPP2_H_
#define _MVPP2_H_
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/phy.h>
#include <linux/phylink.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)
/* 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_RSS_TABLE_ENTRY 0x1508
#define MVPP22_RSS_TABLE 0x1510
#define MVPP22_RSS_TABLE_POINTER(p) (p)
#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_TBL_LOOKUP_EN_MASK BIT(25)
#define MVPP2_CLS_FLOW_INDEX_REG 0x1820
#define MVPP2_CLS_FLOW_TBL0_REG 0x1824
#define MVPP2_CLS_FLOW_TBL1_REG 0x1828
#define MVPP2_CLS_FLOW_TBL2_REG 0x182c
#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))
/* 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 0xffff
#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
/* 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_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(6)
#define MVPP2_GMAC_STATUS0_TX_PAUSE BIT(7)
#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_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_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)
/* Dfault number of RXQs in use */
#define MVPP2_DEFAULT_RXQ 4
/* 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)
/* IPv6 max L3 address size */
#define MVPP2_MAX_L3_ADDR_SIZE 16
/* Port flags */
#define MVPP2_F_LOOPBACK BIT(0)
/* 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
/* 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 8
#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 */
/* 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];
/* Aggregated TXQs */
struct mvpp2_tx_queue *aggr_txqs;
/* 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;
};
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;
bool timer_scheduled;
/* Tasklet for egress finalization */
struct tasklet_struct tx_done_tasklet;
};
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 mvpp2_port {
u8 id;
/* Index of the port from the "group of ports" complex point
* of view
*/
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;
/* 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 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;
};
/* 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 {
u32 command; /* Options used by HW for packet transmitting.*/
u8 packet_offset; /* the offset from the buffer beginning */
u8 phys_txq; /* destination queue ID */
u16 data_size; /* data size of transmitted packet in bytes */
u32 buf_dma_addr; /* physical addr of transmitted buffer */
u32 buf_cookie; /* cookie for access to TX buffer in tx path */
u32 reserved1[3]; /* hw_cmd (for future use, BM, PON, PNC) */
u32 reserved2; /* reserved (for future use) */
};
/* HW RX descriptor for PPv2.1 */
struct mvpp21_rx_desc {
u32 status; /* info about received packet */
u16 reserved1; /* parser_info (for future use, PnC) */
u16 data_size; /* size of received packet in bytes */
u32 buf_dma_addr; /* physical address of the buffer */
u32 buf_cookie; /* cookie for access to RX buffer in rx path */
u16 reserved2; /* gem_port_id (for future use, PON) */
u16 reserved3; /* csum_l4 (for future use, PnC) */
u8 reserved4; /* bm_qset (for future use, BM) */
u8 reserved5;
u16 reserved6; /* classify_info (for future use, PnC) */
u32 reserved7; /* flow_id (for future use, PnC) */
u32 reserved8;
};
/* HW TX descriptor for PPv2.2 */
struct mvpp22_tx_desc {
u32 command;
u8 packet_offset;
u8 phys_txq;
u16 data_size;
u64 reserved1;
u64 buf_dma_addr_ptp;
u64 buf_cookie_misc;
};
/* HW RX descriptor for PPv2.2 */
struct mvpp22_rx_desc {
u32 status;
u16 reserved1;
u16 data_size;
u32 reserved2;
u32 reserved3;
u64 buf_dma_addr_key_hash;
u64 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 {
int cpu;
/* 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);
u32 mvpp2_read_relaxed(struct mvpp2 *priv, u32 offset);
void mvpp2_percpu_write(struct mvpp2 *priv, int cpu, u32 offset, u32 data);
u32 mvpp2_percpu_read(struct mvpp2 *priv, int cpu, u32 offset);
void mvpp2_percpu_write_relaxed(struct mvpp2 *priv, int cpu, u32 offset,
u32 data);
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
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