root/drivers/net/ethernet/ti/cpsw_priv.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Texas Instruments Ethernet Switch Driver
 */

#ifndef DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_
#define DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_

#include <net/xdp.h>
#include <uapi/linux/bpf.h>

#include "davinci_cpdma.h"

#define CPSW_DEBUG      (NETIF_MSG_HW           | NETIF_MSG_WOL         | \
                         NETIF_MSG_DRV          | NETIF_MSG_LINK        | \
                         NETIF_MSG_IFUP         | NETIF_MSG_INTR        | \
                         NETIF_MSG_PROBE        | NETIF_MSG_TIMER       | \
                         NETIF_MSG_IFDOWN       | NETIF_MSG_RX_ERR      | \
                         NETIF_MSG_TX_ERR       | NETIF_MSG_TX_DONE     | \
                         NETIF_MSG_PKTDATA      | NETIF_MSG_TX_QUEUED   | \
                         NETIF_MSG_RX_STATUS)

#define cpsw_info(priv, type, format, ...)              \
do {                                                            \
        if (netif_msg_##type(priv) && net_ratelimit())          \
                dev_info(priv->dev, format, ## __VA_ARGS__);    \
} while (0)

#define cpsw_err(priv, type, format, ...)               \
do {                                                            \
        if (netif_msg_##type(priv) && net_ratelimit())          \
                dev_err(priv->dev, format, ## __VA_ARGS__);     \
} while (0)

#define cpsw_dbg(priv, type, format, ...)               \
do {                                                            \
        if (netif_msg_##type(priv) && net_ratelimit())          \
                dev_dbg(priv->dev, format, ## __VA_ARGS__);     \
} while (0)

#define cpsw_notice(priv, type, format, ...)            \
do {                                                            \
        if (netif_msg_##type(priv) && net_ratelimit())          \
                dev_notice(priv->dev, format, ## __VA_ARGS__);  \
} while (0)

#define ALE_ALL_PORTS           0x7

#define CPSW_MAJOR_VERSION(reg)         (reg >> 8 & 0x7)
#define CPSW_MINOR_VERSION(reg)         (reg & 0xff)
#define CPSW_RTL_VERSION(reg)           ((reg >> 11) & 0x1f)

#define CPSW_VERSION_1          0x19010a
#define CPSW_VERSION_2          0x19010c
#define CPSW_VERSION_3          0x19010f
#define CPSW_VERSION_4          0x190112

#define HOST_PORT_NUM           0
#define CPSW_ALE_PORTS_NUM      3
#define CPSW_SLAVE_PORTS_NUM    2
#define SLIVER_SIZE             0x40

#define CPSW1_HOST_PORT_OFFSET  0x028
#define CPSW1_SLAVE_OFFSET      0x050
#define CPSW1_SLAVE_SIZE        0x040
#define CPSW1_CPDMA_OFFSET      0x100
#define CPSW1_STATERAM_OFFSET   0x200
#define CPSW1_HW_STATS          0x400
#define CPSW1_CPTS_OFFSET       0x500
#define CPSW1_ALE_OFFSET        0x600
#define CPSW1_SLIVER_OFFSET     0x700
#define CPSW1_WR_OFFSET         0x900

#define CPSW2_HOST_PORT_OFFSET  0x108
#define CPSW2_SLAVE_OFFSET      0x200
#define CPSW2_SLAVE_SIZE        0x100
#define CPSW2_CPDMA_OFFSET      0x800
#define CPSW2_HW_STATS          0x900
#define CPSW2_STATERAM_OFFSET   0xa00
#define CPSW2_CPTS_OFFSET       0xc00
#define CPSW2_ALE_OFFSET        0xd00
#define CPSW2_SLIVER_OFFSET     0xd80
#define CPSW2_BD_OFFSET         0x2000
#define CPSW2_WR_OFFSET         0x1200

#define CPDMA_RXTHRESH          0x0c0
#define CPDMA_RXFREE            0x0e0
#define CPDMA_TXHDP             0x00
#define CPDMA_RXHDP             0x20
#define CPDMA_TXCP              0x40
#define CPDMA_RXCP              0x60

#define CPSW_RX_VLAN_ENCAP_HDR_SIZE             4
#define CPSW_MIN_PACKET_SIZE_VLAN       (VLAN_ETH_ZLEN)
#define CPSW_MIN_PACKET_SIZE    (ETH_ZLEN)
#define CPSW_MAX_PACKET_SIZE    (VLAN_ETH_FRAME_LEN +\
                                 ETH_FCS_LEN +\
                                 CPSW_RX_VLAN_ENCAP_HDR_SIZE)

#define RX_PRIORITY_MAPPING     0x76543210
#define TX_PRIORITY_MAPPING     0x33221100
#define CPDMA_TX_PRIORITY_MAP   0x76543210

#define CPSW_VLAN_AWARE         BIT(1)
#define CPSW_RX_VLAN_ENCAP      BIT(2)
#define CPSW_ALE_VLAN_AWARE     1

#define CPSW_FIFO_NORMAL_MODE           (0 << 16)
#define CPSW_FIFO_DUAL_MAC_MODE         (1 << 16)
#define CPSW_FIFO_RATE_LIMIT_MODE       (2 << 16)

#define CPSW_INTPACEEN          (0x3f << 16)
#define CPSW_INTPRESCALE_MASK   (0x7FF << 0)
#define CPSW_CMINTMAX_CNT       63
#define CPSW_CMINTMIN_CNT       2
#define CPSW_CMINTMAX_INTVL     (1000 / CPSW_CMINTMIN_CNT)
#define CPSW_CMINTMIN_INTVL     ((1000 / CPSW_CMINTMAX_CNT) + 1)

#define IRQ_NUM                 2
#define CPSW_MAX_QUEUES         8
#define CPSW_CPDMA_DESCS_POOL_SIZE_DEFAULT 256
#define CPSW_ALE_AGEOUT_DEFAULT         10 /* sec */
#define CPSW_FIFO_QUEUE_TYPE_SHIFT      16
#define CPSW_FIFO_SHAPE_EN_SHIFT        16
#define CPSW_FIFO_RATE_EN_SHIFT         20
#define CPSW_TC_NUM                     4
#define CPSW_FIFO_SHAPERS_NUM           (CPSW_TC_NUM - 1)
#define CPSW_PCT_MASK                   0x7f
#define CPSW_BD_RAM_SIZE                0x2000

#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_SHIFT       29
#define CPSW_RX_VLAN_ENCAP_HDR_PRIO_MSK         GENMASK(2, 0)
#define CPSW_RX_VLAN_ENCAP_HDR_VID_SHIFT        16
#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_SHIFT   8
#define CPSW_RX_VLAN_ENCAP_HDR_PKT_TYPE_MSK     GENMASK(1, 0)
enum {
        CPSW_RX_VLAN_ENCAP_HDR_PKT_VLAN_TAG = 0,
        CPSW_RX_VLAN_ENCAP_HDR_PKT_RESERV,
        CPSW_RX_VLAN_ENCAP_HDR_PKT_PRIO_TAG,
        CPSW_RX_VLAN_ENCAP_HDR_PKT_UNTAG,
};

struct cpsw_wr_regs {
        u32     id_ver;
        u32     soft_reset;
        u32     control;
        u32     int_control;
        u32     rx_thresh_en;
        u32     rx_en;
        u32     tx_en;
        u32     misc_en;
        u32     mem_allign1[8];
        u32     rx_thresh_stat;
        u32     rx_stat;
        u32     tx_stat;
        u32     misc_stat;
        u32     mem_allign2[8];
        u32     rx_imax;
        u32     tx_imax;

};

struct cpsw_ss_regs {
        u32     id_ver;
        u32     control;
        u32     soft_reset;
        u32     stat_port_en;
        u32     ptype;
        u32     soft_idle;
        u32     thru_rate;
        u32     gap_thresh;
        u32     tx_start_wds;
        u32     flow_control;
        u32     vlan_ltype;
        u32     ts_ltype;
        u32     dlr_ltype;
};

/* CPSW_PORT_V1 */
#define CPSW1_MAX_BLKS      0x00 /* Maximum FIFO Blocks */
#define CPSW1_BLK_CNT       0x04 /* FIFO Block Usage Count (Read Only) */
#define CPSW1_TX_IN_CTL     0x08 /* Transmit FIFO Control */
#define CPSW1_PORT_VLAN     0x0c /* VLAN Register */
#define CPSW1_TX_PRI_MAP    0x10 /* Tx Header Priority to Switch Pri Mapping */
#define CPSW1_TS_CTL        0x14 /* Time Sync Control */
#define CPSW1_TS_SEQ_LTYPE  0x18 /* Time Sync Sequence ID Offset and Msg Type */
#define CPSW1_TS_VLAN       0x1c /* Time Sync VLAN1 and VLAN2 */

/* CPSW_PORT_V2 */
#define CPSW2_CONTROL       0x00 /* Control Register */
#define CPSW2_MAX_BLKS      0x08 /* Maximum FIFO Blocks */
#define CPSW2_BLK_CNT       0x0c /* FIFO Block Usage Count (Read Only) */
#define CPSW2_TX_IN_CTL     0x10 /* Transmit FIFO Control */
#define CPSW2_PORT_VLAN     0x14 /* VLAN Register */
#define CPSW2_TX_PRI_MAP    0x18 /* Tx Header Priority to Switch Pri Mapping */
#define CPSW2_TS_SEQ_MTYPE  0x1c /* Time Sync Sequence ID Offset and Msg Type */

/* CPSW_PORT_V1 and V2 */
#define SA_LO               0x20 /* CPGMAC_SL Source Address Low */
#define SA_HI               0x24 /* CPGMAC_SL Source Address High */
#define SEND_PERCENT        0x28 /* Transmit Queue Send Percentages */

/* CPSW_PORT_V2 only */
#define RX_DSCP_PRI_MAP0    0x30 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP1    0x34 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP2    0x38 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP3    0x3c /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP4    0x40 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP5    0x44 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP6    0x48 /* Rx DSCP Priority to Rx Packet Mapping */
#define RX_DSCP_PRI_MAP7    0x4c /* Rx DSCP Priority to Rx Packet Mapping */

/* Bit definitions for the CPSW2_CONTROL register */
#define PASS_PRI_TAGGED     BIT(24) /* Pass Priority Tagged */
#define VLAN_LTYPE2_EN      BIT(21) /* VLAN LTYPE 2 enable */
#define VLAN_LTYPE1_EN      BIT(20) /* VLAN LTYPE 1 enable */
#define DSCP_PRI_EN         BIT(16) /* DSCP Priority Enable */
#define TS_107              BIT(15) /* Tyme Sync Dest IP Address 107 */
#define TS_320              BIT(14) /* Time Sync Dest Port 320 enable */
#define TS_319              BIT(13) /* Time Sync Dest Port 319 enable */
#define TS_132              BIT(12) /* Time Sync Dest IP Addr 132 enable */
#define TS_131              BIT(11) /* Time Sync Dest IP Addr 131 enable */
#define TS_130              BIT(10) /* Time Sync Dest IP Addr 130 enable */
#define TS_129              BIT(9)  /* Time Sync Dest IP Addr 129 enable */
#define TS_TTL_NONZERO      BIT(8)  /* Time Sync Time To Live Non-zero enable */
#define TS_ANNEX_F_EN       BIT(6)  /* Time Sync Annex F enable */
#define TS_ANNEX_D_EN       BIT(4)  /* Time Sync Annex D enable */
#define TS_LTYPE2_EN        BIT(3)  /* Time Sync LTYPE 2 enable */
#define TS_LTYPE1_EN        BIT(2)  /* Time Sync LTYPE 1 enable */
#define TS_TX_EN            BIT(1)  /* Time Sync Transmit Enable */
#define TS_RX_EN            BIT(0)  /* Time Sync Receive Enable */

#define CTRL_V2_TS_BITS \
        (TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
         TS_TTL_NONZERO  | TS_ANNEX_D_EN | TS_LTYPE1_EN | VLAN_LTYPE1_EN)

#define CTRL_V2_ALL_TS_MASK (CTRL_V2_TS_BITS | TS_TX_EN | TS_RX_EN)
#define CTRL_V2_TX_TS_BITS  (CTRL_V2_TS_BITS | TS_TX_EN)
#define CTRL_V2_RX_TS_BITS  (CTRL_V2_TS_BITS | TS_RX_EN)


#define CTRL_V3_TS_BITS \
        (TS_107 | TS_320 | TS_319 | TS_132 | TS_131 | TS_130 | TS_129 |\
         TS_TTL_NONZERO | TS_ANNEX_F_EN | TS_ANNEX_D_EN |\
         TS_LTYPE1_EN | VLAN_LTYPE1_EN)

#define CTRL_V3_ALL_TS_MASK (CTRL_V3_TS_BITS | TS_TX_EN | TS_RX_EN)
#define CTRL_V3_TX_TS_BITS  (CTRL_V3_TS_BITS | TS_TX_EN)
#define CTRL_V3_RX_TS_BITS  (CTRL_V3_TS_BITS | TS_RX_EN)

/* Bit definitions for the CPSW2_TS_SEQ_MTYPE register */
#define TS_SEQ_ID_OFFSET_SHIFT   (16)    /* Time Sync Sequence ID Offset */
#define TS_SEQ_ID_OFFSET_MASK    (0x3f)
#define TS_MSG_TYPE_EN_SHIFT     (0)     /* Time Sync Message Type Enable */
#define TS_MSG_TYPE_EN_MASK      (0xffff)

/* The PTP event messages - Sync, Delay_Req, Pdelay_Req, and Pdelay_Resp. */
#define EVENT_MSG_BITS ((1<<0) | (1<<1) | (1<<2) | (1<<3))

/* Bit definitions for the CPSW1_TS_CTL register */
#define CPSW_V1_TS_RX_EN                BIT(0)
#define CPSW_V1_TS_TX_EN                BIT(4)
#define CPSW_V1_MSG_TYPE_OFS            16

/* Bit definitions for the CPSW1_TS_SEQ_LTYPE register */
#define CPSW_V1_SEQ_ID_OFS_SHIFT        16

#define CPSW_MAX_BLKS_TX                15
#define CPSW_MAX_BLKS_TX_SHIFT          4
#define CPSW_MAX_BLKS_RX                5

struct cpsw_host_regs {
        u32     max_blks;
        u32     blk_cnt;
        u32     tx_in_ctl;
        u32     port_vlan;
        u32     tx_pri_map;
        u32     cpdma_tx_pri_map;
        u32     cpdma_rx_chan_map;
};

struct cpsw_slave_data {
        struct device_node *slave_node;
        struct device_node *phy_node;
        char            phy_id[MII_BUS_ID_SIZE];
        phy_interface_t phy_if;
        u8              mac_addr[ETH_ALEN];
        u16             dual_emac_res_vlan;     /* Reserved VLAN for DualEMAC */
        struct phy      *ifphy;
        bool            disabled;
};

struct cpsw_platform_data {
        struct cpsw_slave_data  *slave_data;
        u32     ss_reg_ofs;     /* Subsystem control register offset */
        u32     channels;       /* number of cpdma channels (symmetric) */
        u32     slaves;         /* number of slave cpgmac ports */
        u32     active_slave;/* time stamping, ethtool and SIOCGMIIPHY slave */
        u32     bd_ram_size;    /*buffer descriptor ram size */
        u32     mac_control;    /* Mac control register */
        u16     default_vlan;   /* Def VLAN for ALE lookup in VLAN aware mode*/
        bool    dual_emac;      /* Enable Dual EMAC mode */
};

struct cpsw_slave {
        void __iomem                    *regs;
        int                             slave_num;
        u32                             mac_control;
        struct cpsw_slave_data          *data;
        struct phy_device               *phy;
        struct net_device               *ndev;
        u32                             port_vlan;
        struct cpsw_sl                  *mac_sl;
};

static inline u32 slave_read(struct cpsw_slave *slave, u32 offset)
{
        return readl_relaxed(slave->regs + offset);
}

static inline void slave_write(struct cpsw_slave *slave, u32 val, u32 offset)
{
        writel_relaxed(val, slave->regs + offset);
}

struct cpsw_vector {
        struct cpdma_chan *ch;
        int budget;
};

struct cpsw_common {
        struct device                   *dev;
        struct cpsw_platform_data       data;
        struct napi_struct              napi_rx;
        struct napi_struct              napi_tx;
        struct cpsw_ss_regs __iomem     *regs;
        struct cpsw_wr_regs __iomem     *wr_regs;
        u8 __iomem                      *hw_stats;
        struct cpsw_host_regs __iomem   *host_port_regs;
        u32                             version;
        u32                             coal_intvl;
        u32                             bus_freq_mhz;
        int                             rx_packet_max;
        int                             descs_pool_size;
        struct cpsw_slave               *slaves;
        struct cpdma_ctlr               *dma;
        struct cpsw_vector              txv[CPSW_MAX_QUEUES];
        struct cpsw_vector              rxv[CPSW_MAX_QUEUES];
        struct cpsw_ale                 *ale;
        bool                            quirk_irq;
        bool                            rx_irq_disabled;
        bool                            tx_irq_disabled;
        u32 irqs_table[IRQ_NUM];
        int misc_irq;
        struct cpts                     *cpts;
        struct devlink *devlink;
        int                             rx_ch_num, tx_ch_num;
        int                             speed;
        int                             usage_count;
        struct page_pool                *page_pool[CPSW_MAX_QUEUES];
        u8 br_members;
        struct net_device *hw_bridge_dev;
        bool ale_bypass;
        u8 base_mac[ETH_ALEN];
};

struct cpsw_ale_ratelimit {
        unsigned long cookie;
        u64 rate_packet_ps;
};

struct cpsw_priv {
        struct net_device               *ndev;
        struct device                   *dev;
        u32                             msg_enable;
        u8                              mac_addr[ETH_ALEN];
        bool                            rx_pause;
        bool                            tx_pause;
        bool                            mqprio_hw;
        int                             fifo_bw[CPSW_TC_NUM];
        int                             shp_cfg_speed;
        int                             tx_ts_enabled;
        int                             rx_ts_enabled;
        struct bpf_prog                 *xdp_prog;
        struct xdp_rxq_info             xdp_rxq[CPSW_MAX_QUEUES];
        struct xdp_attachment_info      xdpi;

        u32 emac_port;
        struct cpsw_common *cpsw;
        int offload_fwd_mark;
        u32 tx_packet_min;
        struct cpsw_ale_ratelimit ale_bc_ratelimit;
        struct cpsw_ale_ratelimit ale_mc_ratelimit;
        struct work_struct rx_mode_work;
};

#define ndev_to_cpsw(ndev) (((struct cpsw_priv *)netdev_priv(ndev))->cpsw)
#define napi_to_cpsw(napi)      container_of(napi, struct cpsw_common, napi)

extern int (*cpsw_slave_index)(struct cpsw_common *cpsw,
                               struct cpsw_priv *priv);

struct addr_sync_ctx {
        struct net_device *ndev;
        const u8 *addr;         /* address to be synched */
        int consumed;           /* number of address instances */
        int flush;              /* flush flag */
};

#define CPSW_XMETA_OFFSET       ALIGN(sizeof(struct xdp_frame), sizeof(long))

#define CPSW_XDP_CONSUMED               1
#define CPSW_XDP_PASS                   0

struct __aligned(sizeof(long)) cpsw_meta_xdp {
        struct net_device *ndev;
        int ch;
};

/* The buf includes headroom compatible with both skb and xdpf */
#define CPSW_HEADROOM_NA (max(XDP_PACKET_HEADROOM, NET_SKB_PAD) + NET_IP_ALIGN)

static inline int cpsw_is_xdpf_handle(void *handle)
{
        return (unsigned long)handle & BIT(0);
}

static inline void *cpsw_xdpf_to_handle(struct xdp_frame *xdpf)
{
        return (void *)((unsigned long)xdpf | BIT(0));
}

static inline struct xdp_frame *cpsw_handle_to_xdpf(void *handle)
{
        return (struct xdp_frame *)((unsigned long)handle & ~BIT(0));
}

int cpsw_init_common(struct cpsw_common *cpsw, void __iomem *ss_regs,
                     int ale_ageout, phys_addr_t desc_mem_phys,
                     int descs_pool_size);
void cpsw_split_res(struct cpsw_common *cpsw);
int cpsw_fill_rx_channels(struct cpsw_priv *priv);
void cpsw_intr_enable(struct cpsw_common *cpsw);
void cpsw_intr_disable(struct cpsw_common *cpsw);
void cpsw_tx_handler(void *token, int len, int status);
int cpsw_create_xdp_rxqs(struct cpsw_common *cpsw);
void cpsw_destroy_xdp_rxqs(struct cpsw_common *cpsw);
int cpsw_ndo_bpf(struct net_device *ndev, struct netdev_bpf *bpf);
int cpsw_xdp_tx_frame(struct cpsw_priv *priv, struct xdp_frame *xdpf,
                      struct page *page, int port);
int cpsw_run_xdp(struct cpsw_priv *priv, int ch, struct xdp_buff *xdp,
                 struct page *page, int port, int *len);
irqreturn_t cpsw_tx_interrupt(int irq, void *dev_id);
irqreturn_t cpsw_rx_interrupt(int irq, void *dev_id);
irqreturn_t cpsw_misc_interrupt(int irq, void *dev_id);
int cpsw_tx_mq_poll(struct napi_struct *napi_tx, int budget);
int cpsw_tx_poll(struct napi_struct *napi_tx, int budget);
int cpsw_rx_mq_poll(struct napi_struct *napi_rx, int budget);
int cpsw_rx_poll(struct napi_struct *napi_rx, int budget);
void cpsw_rx_vlan_encap(struct sk_buff *skb);
void soft_reset(const char *module, void __iomem *reg);
void cpsw_set_slave_mac(struct cpsw_slave *slave, struct cpsw_priv *priv);
void cpsw_ndo_tx_timeout(struct net_device *ndev, unsigned int txqueue);
int cpsw_need_resplit(struct cpsw_common *cpsw);
int cpsw_ndo_set_tx_maxrate(struct net_device *ndev, int queue, u32 rate);
int cpsw_ndo_setup_tc(struct net_device *ndev, enum tc_setup_type type,
                      void *type_data);
bool cpsw_shp_is_off(struct cpsw_priv *priv);
void cpsw_cbs_resume(struct cpsw_slave *slave, struct cpsw_priv *priv);
void cpsw_mqprio_resume(struct cpsw_slave *slave, struct cpsw_priv *priv);
void cpsw_qos_clsflower_resume(struct cpsw_priv *priv);
int cpsw_hwtstamp_get(struct net_device *dev,
                      struct kernel_hwtstamp_config *cfg);
int cpsw_hwtstamp_set(struct net_device *dev,
                      struct kernel_hwtstamp_config *cfg,
                      struct netlink_ext_ack *extack);

/* ethtool */
u32 cpsw_get_msglevel(struct net_device *ndev);
void cpsw_set_msglevel(struct net_device *ndev, u32 value);
int cpsw_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal,
                      struct kernel_ethtool_coalesce *kernel_coal,
                      struct netlink_ext_ack *extack);
int cpsw_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *coal,
                      struct kernel_ethtool_coalesce *kernel_coal,
                      struct netlink_ext_ack *extack);
int cpsw_get_sset_count(struct net_device *ndev, int sset);
void cpsw_get_strings(struct net_device *ndev, u32 stringset, u8 *data);
void cpsw_get_ethtool_stats(struct net_device *ndev,
                            struct ethtool_stats *stats, u64 *data);
void cpsw_get_pauseparam(struct net_device *ndev,
                         struct ethtool_pauseparam *pause);
void cpsw_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
int cpsw_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol);
int cpsw_get_regs_len(struct net_device *ndev);
void cpsw_get_regs(struct net_device *ndev, struct ethtool_regs *regs, void *p);
int cpsw_ethtool_op_begin(struct net_device *ndev);
void cpsw_ethtool_op_complete(struct net_device *ndev);
void cpsw_get_channels(struct net_device *ndev, struct ethtool_channels *ch);
int cpsw_get_link_ksettings(struct net_device *ndev,
                            struct ethtool_link_ksettings *ecmd);
int cpsw_set_link_ksettings(struct net_device *ndev,
                            const struct ethtool_link_ksettings *ecmd);
int cpsw_get_eee(struct net_device *ndev, struct ethtool_keee *edata);
int cpsw_nway_reset(struct net_device *ndev);
void cpsw_get_ringparam(struct net_device *ndev,
                        struct ethtool_ringparam *ering,
                        struct kernel_ethtool_ringparam *kernel_ering,
                        struct netlink_ext_ack *extack);
int cpsw_set_ringparam(struct net_device *ndev,
                       struct ethtool_ringparam *ering,
                       struct kernel_ethtool_ringparam *kernel_ering,
                       struct netlink_ext_ack *extack);
int cpsw_set_channels_common(struct net_device *ndev,
                             struct ethtool_channels *chs,
                             cpdma_handler_fn rx_handler);
int cpsw_get_ts_info(struct net_device *ndev, struct kernel_ethtool_ts_info *info);

#endif /* DRIVERS_NET_ETHERNET_TI_CPSW_PRIV_H_ */