/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Texas Instruments Ethernet Switch Driver
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*/
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#ifndef DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
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#define DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
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#include "davinci_cpdma.h"
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#define CPSW_DEBUG (NETIF_MSG_HW | NETIF_MSG_WOL | \
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NETIF_MSG_DRV | NETIF_MSG_LINK | \
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NETIF_MSG_IFUP | NETIF_MSG_INTR | \
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NETIF_MSG_PROBE | NETIF_MSG_TIMER | \
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NETIF_MSG_IFDOWN | NETIF_MSG_RX_ERR | \
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NETIF_MSG_TX_ERR | NETIF_MSG_TX_DONE | \
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NETIF_MSG_PKTDATA | NETIF_MSG_TX_QUEUED | \
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NETIF_MSG_RX_STATUS)
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#define cpsw_info(priv, type, format, ...) \
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do { \
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if (netif_msg_##type(priv) && net_ratelimit()) \
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dev_info(priv->dev, format, ## __VA_ARGS__); \
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} while (0)
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#define cpsw_err(priv, type, format, ...) \
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do { \
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if (netif_msg_##type(priv) && net_ratelimit()) \
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dev_err(priv->dev, format, ## __VA_ARGS__); \
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} while (0)
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#define cpsw_dbg(priv, type, format, ...) \
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do { \
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if (netif_msg_##type(priv) && net_ratelimit()) \
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dev_dbg(priv->dev, format, ## __VA_ARGS__); \
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} while (0)
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#define cpsw_notice(priv, type, format, ...) \
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do { \
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if (netif_msg_##type(priv) && net_ratelimit()) \
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dev_notice(priv->dev, format, ## __VA_ARGS__); \
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} while (0)
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#define ALE_ALL_PORTS 0x7
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#define CPSW_MAJOR_VERSION(reg) (reg >> 8 & 0x7)
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#define CPSW_MINOR_VERSION(reg) (reg & 0xff)
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#define CPSW_RTL_VERSION(reg) ((reg >> 11) & 0x1f)
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#define CPSW_VERSION_1 0x19010a
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#define CPSW_VERSION_2 0x19010c
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#define CPSW_VERSION_3 0x19010f
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#define CPSW_VERSION_4 0x190112
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#define HOST_PORT_NUM 0
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#define CPSW_ALE_PORTS_NUM 3
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#define CPSW_SLAVE_PORTS_NUM 2
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#define SLIVER_SIZE 0x40
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#define CPSW1_HOST_PORT_OFFSET 0x028
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#define CPSW1_SLAVE_OFFSET 0x050
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#define CPSW1_SLAVE_SIZE 0x040
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#define CPSW1_CPDMA_OFFSET 0x100
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#define CPSW1_STATERAM_OFFSET 0x200
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#define CPSW1_HW_STATS 0x400
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#define CPSW1_CPTS_OFFSET 0x500
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#define CPSW1_ALE_OFFSET 0x600
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#define CPSW1_SLIVER_OFFSET 0x700
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#define CPSW1_WR_OFFSET 0x900
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#define CPSW2_HOST_PORT_OFFSET 0x108
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#define CPSW2_SLAVE_OFFSET 0x200
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#define CPSW2_SLAVE_SIZE 0x100
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#define CPSW2_CPDMA_OFFSET 0x800
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#define CPSW2_HW_STATS 0x900
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#define CPSW2_STATERAM_OFFSET 0xa00
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#define CPSW2_CPTS_OFFSET 0xc00
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#define CPSW2_ALE_OFFSET 0xd00
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#define CPSW2_SLIVER_OFFSET 0xd80
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#define CPSW2_BD_OFFSET 0x2000
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#define CPSW2_WR_OFFSET 0x1200
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#define CPDMA_RXTHRESH 0x0c0
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#define CPDMA_RXFREE 0x0e0
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#define CPDMA_TXHDP 0x00
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#define CPDMA_RXHDP 0x20
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#define CPDMA_TXCP 0x40
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#define CPDMA_RXCP 0x60
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#define CPSW_POLL_WEIGHT 64
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#define CPSW_RX_VLAN_ENCAP_HDR_SIZE 4
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#define CPSW_MIN_PACKET_SIZE_VLAN (VLAN_ETH_ZLEN)
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#define CPSW_MIN_PACKET_SIZE (ETH_ZLEN)
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#define CPSW_MAX_PACKET_SIZE (VLAN_ETH_FRAME_LEN +\
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ETH_FCS_LEN +\
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CPSW_RX_VLAN_ENCAP_HDR_SIZE)
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#define RX_PRIORITY_MAPPING 0x76543210
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#define TX_PRIORITY_MAPPING 0x33221100
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#define CPDMA_TX_PRIORITY_MAP 0x76543210
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#define CPSW_VLAN_AWARE BIT(1)
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#define CPSW_RX_VLAN_ENCAP BIT(2)
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#define CPSW_ALE_VLAN_AWARE 1
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#define CPSW_FIFO_NORMAL_MODE (0 << 16)
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#define CPSW_FIFO_DUAL_MAC_MODE (1 << 16)
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#define CPSW_FIFO_RATE_LIMIT_MODE (2 << 16)
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#define CPSW_INTPACEEN (0x3f << 16)
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#define CPSW_INTPRESCALE_MASK (0x7FF << 0)
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#define CPSW_CMINTMAX_CNT 63
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#define CPSW_CMINTMIN_CNT 2
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#define CPSW_CMINTMAX_INTVL (1000 / CPSW_CMINTMIN_CNT)
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#define CPSW_CMINTMIN_INTVL ((1000 / CPSW_CMINTMAX_CNT) + 1)
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#define IRQ_NUM 2
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#define CPSW_MAX_QUEUES 8
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#define CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT 256
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#define CPSW_ALE_AGEOUT_DEFAULT 10 /* sec */
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#define CPSW_FIFO_QUEUE_TYPE_SHIFT 16
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#define CPSW_FIFO_SHAPE_EN_SHIFT 16
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#define CPSW_FIFO_RATE_EN_SHIFT 20
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#define CPSW_TC_NUM 4
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#define CPSW_FIFO_SHAPERS_NUM (CPSW_TC_NUM - 1)
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#define CPSW_PCT_MASK 0x7f
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#define CPSW_BD_RAM_SIZE 0x2000
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#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT 29
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#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK GENMASK(2, 0)
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#define CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT 16
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#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT 8
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#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK GENMASK(1, 0)
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enum {
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CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG = 0,
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CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV,
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CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG,
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CPSW_RX_VLAN_ENCAP_HDR_PKT_UNTAG,
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};
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struct cpsw_wr_regs {
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u32 id_ver;
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u32 soft_reset;
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u32 control;
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u32 int_control;
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u32 rx_thresh_en;
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u32 rx_en;
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u32 tx_en;
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u32 misc_en;
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u32 mem_allign1[8];
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u32 rx_thresh_stat;
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u32 rx_stat;
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u32 tx_stat;
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u32 misc_stat;
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u32 mem_allign2[8];
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u32 rx_imax;
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u32 tx_imax;
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};
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struct cpsw_ss_regs {
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u32 id_ver;
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u32 control;
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u32 soft_reset;
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u32 stat_port_en;
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u32 ptype;
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u32 soft_idle;
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u32 thru_rate;
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u32 gap_thresh;
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u32 tx_start_wds;
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u32 flow_control;
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u32 vlan_ltype;
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u32 ts_ltype;
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u32 dlr_ltype;
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};
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/* CPSW_PORT_V1 */
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#define CPSW1_MAX_BLKS 0x00 /* Maximum FIFO Blocks */
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#define CPSW1_BLK_CNT 0x04 /* FIFO Block Usage Count (Read Only) */
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#define CPSW1_TX_IN_CTL 0x08 /* Transmit FIFO Control */
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#define CPSW1_PORT_VLAN 0x0c /* VLAN Register */
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#define CPSW1_TX_PRI_MAP 0x10 /* Tx Header Priority to Switch Pri Mapping */
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#define CPSW1_TS_CTL 0x14 /* Time Sync Control */
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#define CPSW1_TS_SEQ_LTYPE 0x18 /* Time Sync Sequence ID Offset and Msg Type */
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#define CPSW1_TS_VLAN 0x1c /* Time Sync VLAN1 and VLAN2 */
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/* CPSW_PORT_V2 */
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#define CPSW2_CONTROL 0x00 /* Control Register */
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#define CPSW2_MAX_BLKS 0x08 /* Maximum FIFO Blocks */
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#define CPSW2_BLK_CNT 0x0c /* FIFO Block Usage Count (Read Only) */
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#define CPSW2_TX_IN_CTL 0x10 /* Transmit FIFO Control */
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#define CPSW2_PORT_VLAN 0x14 /* VLAN Register */
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#define CPSW2_TX_PRI_MAP 0x18 /* Tx Header Priority to Switch Pri Mapping */
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#define CPSW2_TS_SEQ_MTYPE 0x1c /* Time Sync Sequence ID Offset and Msg Type */
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/* CPSW_PORT_V1 and V2 */
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#define SA_LO 0x20 /* CPGMAC_SL Source Address Low */
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#define SA_HI 0x24 /* CPGMAC_SL Source Address High */
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#define SEND_PERCENT 0x28 /* Transmit Queue Send Percentages */
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/* CPSW_PORT_V2 only */
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#define RX_DSCP_PRI_MAP0 0x30 /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP1 0x34 /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP2 0x38 /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP3 0x3c /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP4 0x40 /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP5 0x44 /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP6 0x48 /* Rx DSCP Priority to Rx Packet Mapping */
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#define RX_DSCP_PRI_MAP7 0x4c /* Rx DSCP Priority to Rx Packet Mapping */
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/* Bit definitions for the CPSW2_CONTROL register */
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#define PASS_PRI_TAGGED BIT(24) /* Pass Priority Tagged */
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#define VLAN_LTYPE2_EN BIT(21) /* VLAN LTYPE 2 enable */
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#define VLAN_LTYPE1_EN BIT(20) /* VLAN LTYPE 1 enable */
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#define DSCP_PRI_EN BIT(16) /* DSCP Priority Enable */
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#define TS_107 BIT(15) /* Tyme Sync Dest IP Address 107 */
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#define TS_320 BIT(14) /* Time Sync Dest Port 320 enable */
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#define TS_319 BIT(13) /* Time Sync Dest Port 319 enable */
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#define TS_132 BIT(12) /* Time Sync Dest IP Addr 132 enable */
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#define TS_131 BIT(11) /* Time Sync Dest IP Addr 131 enable */
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#define TS_130 BIT(10) /* Time Sync Dest IP Addr 130 enable */
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#define TS_129 BIT(9) /* Time Sync Dest IP Addr 129 enable */
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#define TS_TTL_NONZERO BIT(8) /* Time Sync Time To Live Non-zero enable */
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#define TS_ANNEX_F_EN BIT(6) /* Time Sync Annex F enable */
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#define TS_ANNEX_D_EN BIT(4) /* Time Sync Annex D enable */
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#define TS_LTYPE2_EN BIT(3) /* Time Sync LTYPE 2 enable */
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#define TS_LTYPE1_EN BIT(2) /* Time Sync LTYPE 1 enable */
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#define TS_TX_EN BIT(1) /* Time Sync Transmit Enable */
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#define TS_RX_EN BIT(0) /* Time Sync Receive Enable */
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#define CTRL_V2_TS_BITS \
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(TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
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TS_TTL_NONZERO | TS_ANNEX_D_EN | TS_LTYPE1_EN | VLAN_LTYPE1_EN)
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#define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN)
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#define CTRL_V2_TX_TS_BITS (CTRL_V2_TS_BITS | TS_TX_EN)
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#define CTRL_V2_RX_TS_BITS (CTRL_V2_TS_BITS | TS_RX_EN)
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#define CTRL_V3_TS_BITS \
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(TS_107 | TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
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TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\
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TS_LTYPE1_EN | VLAN_LTYPE1_EN)
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#define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN)
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#define CTRL_V3_TX_TS_BITS (CTRL_V3_TS_BITS | TS_TX_EN)
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#define CTRL_V3_RX_TS_BITS (CTRL_V3_TS_BITS | TS_RX_EN)
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/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */
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#define TS_SEQ_ID_OFFSET_SHIFT (16) /* Time Sync Sequence ID Offset */
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#define TS_SEQ_ID_OFFSET_MASK (0x3f)
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#define TS_MSG_TYPE_EN_SHIFT (0) /* Time Sync Message Type Enable */
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#define TS_MSG_TYPE_EN_MASK (0xffff)
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/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */
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#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3))
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/* Bit definitions for the CPSW1_TS_CTL register */
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#define CPSW_V1_TS_RX_EN BIT(0)
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#define CPSW_V1_TS_TX_EN BIT(4)
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#define CPSW_V1_MSG_TYPE_OFS 16
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/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */
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#define CPSW_V1_SEQ_ID_OFS_SHIFT 16
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#define CPSW_MAX_BLKS_TX 15
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#define CPSW_MAX_BLKS_TX_SHIFT 4
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#define CPSW_MAX_BLKS_RX 5
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struct cpsw_host_regs {
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u32 max_blks;
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u32 blk_cnt;
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u32 tx_in_ctl;
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u32 port_vlan;
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u32 tx_pri_map;
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u32 cpdma_tx_pri_map;
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u32 cpdma_rx_chan_map;
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};
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struct cpsw_slave_data {
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struct device_node *slave_node;
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struct device_node *phy_node;
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char phy_id[MII_BUS_ID_SIZE];
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phy_interface_t phy_if;
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u8 mac_addr[ETH_ALEN];
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u16 dual_emac_res_vlan; /* Reserved VLAN for DualEMAC */
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struct phy *ifphy;
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bool disabled;
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};
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struct cpsw_platform_data {
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struct cpsw_slave_data *slave_data;
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u32 ss_reg_ofs; /* Subsystem control register offset */
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u32 channels; /* number of cpdma channels (symmetric) */
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u32 slaves; /* number of slave cpgmac ports */
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u32 active_slave;/* time stamping, ethtool and SIOCGMIIPHY slave */
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u32 bd_ram_size; /*buffer descriptor ram size */
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u32 mac_control; /* Mac control register */
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u16 default_vlan; /* Def VLAN for ALE lookup in VLAN aware mode*/
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bool dual_emac; /* Enable Dual EMAC mode */
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};
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struct cpsw_slave {
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void __iomem *regs;
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int slave_num;
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u32 mac_control;
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struct cpsw_slave_data *data;
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struct phy_device *phy;
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struct net_device *ndev;
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u32 port_vlan;
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struct cpsw_sl *mac_sl;
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};
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static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
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{
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return readl_relaxed(slave->regs + offset);
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}
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static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
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{
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writel_relaxed(val, slave->regs + offset);
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}
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struct cpsw_vector {
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struct cpdma_chan *ch;
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int budget;
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};
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struct cpsw_common {
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struct device *dev;
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struct cpsw_platform_data data;
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struct napi_struct napi_rx;
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struct napi_struct napi_tx;
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struct cpsw_ss_regs __iomem *regs;
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struct cpsw_wr_regs __iomem *wr_regs;
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u8 __iomem *hw_stats;
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struct cpsw_host_regs __iomem *host_port_regs;
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u32 version;
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u32 coal_intvl;
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u32 bus_freq_mhz;
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int rx_packet_max;
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int descs_pool_size;
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struct cpsw_slave *slaves;
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struct cpdma_ctlr *dma;
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struct cpsw_vector txv[CPSW_MAX_QUEUES];
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struct cpsw_vector rxv[CPSW_MAX_QUEUES];
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struct cpsw_ale *ale;
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bool quirk_irq;
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bool rx_irq_disabled;
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bool tx_irq_disabled;
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u32 irqs_table[IRQ_NUM];
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int misc_irq;
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struct cpts *cpts;
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struct devlink *devlink;
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int rx_ch_num, tx_ch_num;
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int speed;
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int usage_count;
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struct page_pool *page_pool[CPSW_MAX_QUEUES];
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u8 br_members;
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struct net_device *hw_bridge_dev;
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bool ale_bypass;
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u8 base_mac[ETH_ALEN];
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};
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struct cpsw_priv {
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struct net_device *ndev;
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struct device *dev;
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u32 msg_enable;
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u8 mac_addr[ETH_ALEN];
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bool rx_pause;
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bool tx_pause;
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bool mqprio_hw;
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int fifo_bw[CPSW_TC_NUM];
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int shp_cfg_speed;
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int tx_ts_enabled;
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int rx_ts_enabled;
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struct bpf_prog *xdp_prog;
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struct xdp_rxq_info xdp_rxq[CPSW_MAX_QUEUES];
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struct xdp_attachment_info xdpi;
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u32 emac_port;
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struct cpsw_common *cpsw;
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int offload_fwd_mark;
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u32 tx_packet_min;
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};
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#define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw)
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#define napi_to_cpsw(napi) container_of(napi, struct cpsw_common, napi)
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extern int (*cpsw_slave_index)(struct cpsw_common *cpsw,
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struct cpsw_priv *priv);
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struct addr_sync_ctx {
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struct net_device *ndev;
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const u8 *addr; /* address to be synched */
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int consumed; /* number of address instances */
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int flush; /* flush flag */
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};
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#define CPSW_XMETA_OFFSET ALIGN(sizeof(struct xdp_frame), sizeof(long))
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#define CPSW_XDP_CONSUMED 1
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#define CPSW_XDP_PASS 0
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struct __aligned(sizeof(long)) cpsw_meta_xdp {
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struct net_device *ndev;
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int ch;
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};
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/* The buf includes headroom compatible with both skb and xdpf */
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#define CPSW_HEADROOM_NA (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN)
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#define CPSW_HEADROOM ALIGN(CPSW_HEADROOM_NA, sizeof(long))
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static inline int cpsw_is_xdpf_handle(void *handle)
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{
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return (unsigned long)handle & BIT(0);
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}
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static inline void *cpsw_xdpf_to_handle(struct xdp_frame *xdpf)
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{
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return (void *)((unsigned long)xdpf | BIT(0));
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}
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static inline struct xdp_frame *cpsw_handle_to_xdpf(void *handle)
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{
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return (struct xdp_frame *)((unsigned long)handle & ~BIT(0));
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}
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int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
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int ale_ageout, phys_addr_t desc_mem_phys,
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int descs_pool_size);
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void cpsw_split_res(struct cpsw_common *cpsw);
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int cpsw_fill_rx_channels(struct cpsw_priv *priv);
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void cpsw_intr_enable(struct cpsw_common *cpsw);
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void cpsw_intr_disable(struct cpsw_common *cpsw);
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void cpsw_tx_handler(void *token, int len, int status);
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int cpsw_create_xdp_rxqs(struct cpsw_common *cpsw);
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void cpsw_destroy_xdp_rxqs(struct cpsw_common *cpsw);
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int cpsw_ndo_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
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int cpsw_xdp_tx_frame(struct cpsw_priv *priv, struct xdp_frame *xdpf,
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struct page *page, int port);
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int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
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struct page *page, int port);
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irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id);
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irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id);
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irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id);
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int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget);
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int cpsw_tx_poll(struct napi_struct *napi_tx, int budget);
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int cpsw_rx_mq_poll(struct napi_struct *napi_rx, int budget);
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int cpsw_rx_poll(struct napi_struct *napi_rx, int budget);
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void cpsw_rx_vlan_encap(struct sk_buff *skb);
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void soft_reset(const char *module, void __iomem *reg);
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void cpsw_set_slave_mac(struct cpsw_slave *slave, struct cpsw_priv *priv);
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void cpsw_ndo_tx_timeout(struct net_device *ndev, unsigned int txqueue);
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int cpsw_need_resplit(struct cpsw_common *cpsw);
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int cpsw_ndo_ioctl(struct net_device *dev, struct ifreq *req, int cmd);
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int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate);
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int cpsw_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
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void *type_data);
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bool cpsw_shp_is_off(struct cpsw_priv *priv);
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void cpsw_cbs_resume(struct cpsw_slave *slave, struct cpsw_priv *priv);
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void cpsw_mqprio_resume(struct cpsw_slave *slave, struct cpsw_priv *priv);
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/* ethtool */
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u32 cpsw_get_msglevel(struct net_device *ndev);
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void cpsw_set_msglevel(struct net_device *ndev, u32 value);
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int cpsw_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal);
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int cpsw_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal);
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int cpsw_get_sset_count(struct net_device *ndev, int sset);
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void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data);
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void cpsw_get_ethtool_stats(struct net_device *ndev,
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struct ethtool_stats *stats, u64 *data);
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void cpsw_get_pauseparam(struct net_device *ndev,
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struct ethtool_pauseparam *pause);
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void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
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int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
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int cpsw_get_regs_len(struct net_device *ndev);
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void cpsw_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *p);
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int cpsw_ethtool_op_begin(struct net_device *ndev);
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void cpsw_ethtool_op_complete(struct net_device *ndev);
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void cpsw_get_channels(struct net_device *ndev, struct ethtool_channels *ch);
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int cpsw_get_link_ksettings(struct net_device *ndev,
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struct ethtool_link_ksettings *ecmd);
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int cpsw_set_link_ksettings(struct net_device *ndev,
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const struct ethtool_link_ksettings *ecmd);
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int cpsw_get_eee(struct net_device *ndev, struct ethtool_eee *edata);
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int cpsw_set_eee(struct net_device *ndev, struct ethtool_eee *edata);
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int cpsw_nway_reset(struct net_device *ndev);
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void cpsw_get_ringparam(struct net_device *ndev,
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struct ethtool_ringparam *ering);
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int cpsw_set_ringparam(struct net_device *ndev,
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struct ethtool_ringparam *ering);
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int cpsw_set_channels_common(struct net_device *ndev,
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struct ethtool_channels *chs,
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cpdma_handler_fn rx_handler);
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int cpsw_get_ts_info(struct net_device *ndev, struct ethtool_ts_info *info);
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#endif /* DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_ */
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