LXR linux/drivers/net/ethernet/hisilicon/hns/hns_dsaf

   1/*
   2 * Copyright (c) 2014-2015 Hisilicon Limited.
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 */
   9
  10#ifndef _HNS_DSAF_MAC_H
  11#define _HNS_DSAF_MAC_H
  12
  13#include <linux/phy.h>
  14#include <linux/kernel.h>
  15#include <linux/if_vlan.h>
  16#include "hns_dsaf_main.h"
  17
  18struct dsaf_device;
  19
  20#define MAC_GMAC_SUPPORTED \
  21        (SUPPORTED_10baseT_Half \
  22        | SUPPORTED_10baseT_Full \
  23        | SUPPORTED_100baseT_Half \
  24        | SUPPORTED_100baseT_Full \
  25        | SUPPORTED_Autoneg)
  26
  27#define MAC_DEFAULT_MTU (ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN + ETH_DATA_LEN)
  28#define MAC_MAX_MTU             9600
  29#define MAC_MAX_MTU_V2          9728
  30#define MAC_MIN_MTU             68
  31#define MAC_MAX_MTU_DBG         MAC_DEFAULT_MTU
  32
  33#define MAC_DEFAULT_PAUSE_TIME 0xff
  34
  35#define MAC_GMAC_IDX 0
  36#define MAC_XGMAC_IDX 1
  37
  38#define ETH_STATIC_REG   1
  39#define ETH_DUMP_REG     5
  40/* check mac addr broadcast */
  41#define MAC_IS_BROADCAST(p)     ((*(p) == 0xff) && (*((p) + 1) == 0xff) && \
  42                (*((p) + 2) == 0xff) &&  (*((p) + 3) == 0xff)  && \
  43                (*((p) + 4) == 0xff) && (*((p) + 5) == 0xff))
  44
  45/* check mac addr is 01-00-5e-xx-xx-xx*/
  46#define MAC_IS_L3_MULTICAST(p) ((*((p) + 0) == 0x01) && \
  47                        (*((p) + 1) == 0x00)   && \
  48                        (*((p) + 2) == 0x5e))
  49
  50/*check the mac addr is 0 in all bit*/
  51#define MAC_IS_ALL_ZEROS(p)   ((*(p) == 0) && (*((p) + 1) == 0) && \
  52        (*((p) + 2) == 0) && (*((p) + 3) == 0) && \
  53        (*((p) + 4) == 0) && (*((p) + 5) == 0))
  54
  55/*check mac addr multicast*/
  56#define MAC_IS_MULTICAST(p)     ((*((u8 *)((p) + 0)) & 0x01) ? (1) : (0))
  57
  58/**< Number of octets (8-bit bytes) in an ethernet address */
  59#define MAC_NUM_OCTETS_PER_ADDR 6
  60
  61struct mac_priv {
  62        void *mac;
  63};
  64
  65/* net speed */
  66enum mac_speed {
  67        MAC_SPEED_10    = 10,      /**< 10 Mbps */
  68        MAC_SPEED_100   = 100,    /**< 100 Mbps */
  69        MAC_SPEED_1000  = 1000,  /**< 1000 Mbps = 1 Gbps */
  70        MAC_SPEED_10000 = 10000  /**< 10000 Mbps = 10 Gbps */
  71};
  72
  73/*mac interface keyword */
  74enum mac_intf {
  75        MAC_IF_NONE  = 0x00000000,   /**< interface not invalid */
  76        MAC_IF_MII   = 0x00010000,   /**< MII interface */
  77        MAC_IF_RMII  = 0x00020000,   /**< RMII interface */
  78        MAC_IF_SMII  = 0x00030000,   /**< SMII interface */
  79        MAC_IF_GMII  = 0x00040000,   /**< GMII interface */
  80        MAC_IF_RGMII = 0x00050000,   /**< RGMII interface */
  81        MAC_IF_TBI   = 0x00060000,   /**< TBI interface */
  82        MAC_IF_RTBI  = 0x00070000,   /**< RTBI interface */
  83        MAC_IF_SGMII = 0x00080000,   /**< SGMII interface */
  84        MAC_IF_XGMII = 0x00090000,   /**< XGMII interface */
  85        MAC_IF_QSGMII = 0x000a0000      /**< QSGMII interface */
  86};
  87
  88/*mac mode */
  89enum mac_mode {
  90        /**< Invalid Ethernet mode */
  91        MAC_MODE_INVALID         = 0,
  92        /**<    10 Mbps MII   */
  93        MAC_MODE_MII_10   = (MAC_IF_MII   | MAC_SPEED_10),
  94        /**<   100 Mbps MII   */
  95        MAC_MODE_MII_100         = (MAC_IF_MII   | MAC_SPEED_100),
  96        /**<    10 Mbps RMII  */
  97        MAC_MODE_RMII_10         = (MAC_IF_RMII  | MAC_SPEED_10),
  98        /**<   100 Mbps RMII  */
  99        MAC_MODE_RMII_100       = (MAC_IF_RMII  | MAC_SPEED_100),
 100        /**<    10 Mbps SMII  */
 101        MAC_MODE_SMII_10         = (MAC_IF_SMII  | MAC_SPEED_10),
 102        /**<   100 Mbps SMII  */
 103        MAC_MODE_SMII_100       = (MAC_IF_SMII  | MAC_SPEED_100),
 104        /**<  1000 Mbps GMII  */
 105        MAC_MODE_GMII_1000   = (MAC_IF_GMII  | MAC_SPEED_1000),
 106        /**<    10 Mbps RGMII */
 107        MAC_MODE_RGMII_10       = (MAC_IF_RGMII | MAC_SPEED_10),
 108        /**<   100 Mbps RGMII */
 109        MAC_MODE_RGMII_100   = (MAC_IF_RGMII | MAC_SPEED_100),
 110        /**<  1000 Mbps RGMII */
 111        MAC_MODE_RGMII_1000  = (MAC_IF_RGMII | MAC_SPEED_1000),
 112        /**<  1000 Mbps TBI   */
 113        MAC_MODE_TBI_1000       = (MAC_IF_TBI   | MAC_SPEED_1000),
 114        /**<  1000 Mbps RTBI  */
 115        MAC_MODE_RTBI_1000   = (MAC_IF_RTBI  | MAC_SPEED_1000),
 116        /**<    10 Mbps SGMII */
 117        MAC_MODE_SGMII_10       = (MAC_IF_SGMII | MAC_SPEED_10),
 118        /**<   100 Mbps SGMII */
 119        MAC_MODE_SGMII_100   = (MAC_IF_SGMII | MAC_SPEED_100),
 120        /**<  1000 Mbps SGMII */
 121        MAC_MODE_SGMII_1000  = (MAC_IF_SGMII | MAC_SPEED_1000),
 122        /**< 10000 Mbps XGMII */
 123        MAC_MODE_XGMII_10000 = (MAC_IF_XGMII | MAC_SPEED_10000),
 124        /**<  1000 Mbps QSGMII */
 125        MAC_MODE_QSGMII_1000 = (MAC_IF_QSGMII | MAC_SPEED_1000)
 126};
 127
 128/*mac communicate mode*/
 129enum mac_commom_mode {
 130        MAC_COMM_MODE_NONE        = 0, /**< No transmit/receive communication */
 131        MAC_COMM_MODE_RX                = 1, /**< Only receive communication */
 132        MAC_COMM_MODE_TX                = 2, /**< Only transmit communication */
 133        MAC_COMM_MODE_RX_AND_TX = 3  /**< Both tx and rx communication */
 134};
 135
 136/*mac statistics */
 137struct mac_statistics {
 138        u64  stat_pkts64; /* r-10G tr-DT 64 byte frame counter */
 139        u64  stat_pkts65to127; /* r-10G 65 to 127 byte frame counter */
 140        u64  stat_pkts128to255; /* r-10G 128 to 255 byte frame counter */
 141        u64  stat_pkts256to511; /*r-10G 256 to 511 byte frame counter */
 142        u64  stat_pkts512to1023;/* r-10G 512 to 1023 byte frame counter */
 143        u64  stat_pkts1024to1518; /* r-10G 1024 to 1518 byte frame counter */
 144        u64  stat_pkts1519to1522; /* r-10G 1519 to 1522 byte good frame count*/
 145        /* Total number of packets that were less than 64 octets */
 146        /*                      long with a wrong CRC.*/
 147        u64  stat_fragments;
 148        /* Total number of packets longer than valid maximum length octets */
 149        u64  stat_jabbers;
 150        /* number of dropped packets due to internal errors of */
 151        /*                      the MAC Client. */
 152        u64  stat_drop_events;
 153        /* Incremented when frames of correct length but with */
 154        /*                      CRC error are received.*/
 155        u64  stat_crc_align_errors;
 156        /* Total number of packets that were less than 64 octets */
 157        /*                      long with a good CRC.*/
 158        u64  stat_undersize_pkts;
 159        u64  stat_oversize_pkts;  /**< T,B.D*/
 160
 161        u64  stat_rx_pause;                /**< Pause MAC Control received */
 162        u64  stat_tx_pause;                /**< Pause MAC Control sent */
 163
 164        u64  in_octets;         /**< Total number of byte received. */
 165        u64  in_pkts;           /* Total number of packets received.*/
 166        u64  in_mcast_pkts;     /* Total number of multicast frame received */
 167        u64  in_bcast_pkts;     /* Total number of broadcast frame received */
 168                                /* Frames received, but discarded due to */
 169                                /* problems within the MAC RX. */
 170        u64  in_discards;
 171        u64  in_errors;         /* Number of frames received with error: */
 172                                /*      - FIFO Overflow Error */
 173                                /*      - CRC Error */
 174                                /*      - Frame Too Long Error */
 175                                /*      - Alignment Error */
 176        u64  out_octets; /*Total number of byte sent. */
 177        u64  out_pkts;  /**< Total number of packets sent .*/
 178        u64  out_mcast_pkts; /* Total number of multicast frame sent */
 179        u64  out_bcast_pkts; /* Total number of multicast frame sent */
 180        /* Frames received, but discarded due to problems within */
 181        /*                      the MAC TX N/A!.*/
 182        u64  out_discards;
 183        u64  out_errors;        /*Number of frames transmitted with error: */
 184                        /*      - FIFO Overflow Error */
 185                        /*      - FIFO Underflow Error */
 186                        /*       - Other */
 187};
 188
 189/*mac para struct ,mac get param from nic or dsaf when initialize*/
 190struct mac_params {
 191        char addr[MAC_NUM_OCTETS_PER_ADDR];
 192        void *vaddr; /*virtual address*/
 193        struct device *dev;
 194        u8 mac_id;
 195        /**< Ethernet operation mode (MAC-PHY interface and speed) */
 196        enum mac_mode mac_mode;
 197};
 198
 199struct mac_info {
 200        u16 speed;/* The forced speed (lower bits) in */
 201                /*               *mbps. Please use */
 202                /*               * ethtool_cmd_speed()/_set() to */
 203                /*               * access it */
 204        u8 duplex;              /* Duplex, half or full */
 205        u8 auto_neg;    /* Enable or disable autonegotiation */
 206        enum hnae_loop loop_mode;
 207        u8 tx_pause_en;
 208        u8 tx_pause_time;
 209        u8 rx_pause_en;
 210        u8 pad_and_crc_en;
 211        u8 promiscuous_en;
 212        u8 port_en;      /*port enable*/
 213};
 214
 215struct mac_entry_idx {
 216        u8 addr[MAC_NUM_OCTETS_PER_ADDR];
 217        u16 vlan_id:12;
 218        u16 valid:1;
 219        u16 qos:3;
 220};
 221
 222struct mac_hw_stats {
 223        u64 rx_good_pkts;       /* only for xgmac */
 224        u64 rx_good_bytes;
 225        u64 rx_total_pkts;      /* only for xgmac */
 226        u64 rx_total_bytes;     /* only for xgmac */
 227        u64 rx_bad_bytes;       /* only for gmac */
 228        u64 rx_uc_pkts;
 229        u64 rx_mc_pkts;
 230        u64 rx_bc_pkts;
 231        u64 rx_fragment_err;    /* only for xgmac */
 232        u64 rx_undersize;       /* only for xgmac */
 233        u64 rx_under_min;
 234        u64 rx_minto64;         /* only for gmac */
 235        u64 rx_64bytes;
 236        u64 rx_65to127;
 237        u64 rx_128to255;
 238        u64 rx_256to511;
 239        u64 rx_512to1023;
 240        u64 rx_1024to1518;
 241        u64 rx_1519tomax;
 242        u64 rx_1519tomax_good;  /* only for xgmac */
 243        u64 rx_oversize;
 244        u64 rx_jabber_err;
 245        u64 rx_fcs_err;
 246        u64 rx_vlan_pkts;       /* only for gmac */
 247        u64 rx_data_err;        /* only for gmac */
 248        u64 rx_align_err;       /* only for gmac */
 249        u64 rx_long_err;        /* only for gmac */
 250        u64 rx_pfc_tc0;
 251        u64 rx_pfc_tc1;         /* only for xgmac */
 252        u64 rx_pfc_tc2;         /* only for xgmac */
 253        u64 rx_pfc_tc3;         /* only for xgmac */
 254        u64 rx_pfc_tc4;         /* only for xgmac */
 255        u64 rx_pfc_tc5;         /* only for xgmac */
 256        u64 rx_pfc_tc6;         /* only for xgmac */
 257        u64 rx_pfc_tc7;         /* only for xgmac */
 258        u64 rx_unknown_ctrl;
 259        u64 rx_filter_pkts;     /* only for gmac */
 260        u64 rx_filter_bytes;    /* only for gmac */
 261        u64 rx_fifo_overrun_err;/* only for gmac */
 262        u64 rx_len_err;         /* only for gmac */
 263        u64 rx_comma_err;       /* only for gmac */
 264        u64 rx_symbol_err;      /* only for xgmac */
 265        u64 tx_good_to_sw;      /* only for xgmac */
 266        u64 tx_bad_to_sw;       /* only for xgmac */
 267        u64 rx_1731_pkts;       /* only for xgmac */
 268
 269        u64 tx_good_bytes;
 270        u64 tx_good_pkts;       /* only for xgmac */
 271        u64 tx_total_bytes;     /* only for xgmac */
 272        u64 tx_total_pkts;      /* only for xgmac */
 273        u64 tx_bad_bytes;       /* only for gmac */
 274        u64 tx_bad_pkts;        /* only for xgmac */
 275        u64 tx_uc_pkts;
 276        u64 tx_mc_pkts;
 277        u64 tx_bc_pkts;
 278        u64 tx_undersize;       /* only for xgmac */
 279        u64 tx_fragment_err;    /* only for xgmac */
 280        u64 tx_under_min_pkts;  /* only for gmac */
 281        u64 tx_64bytes;
 282        u64 tx_65to127;
 283        u64 tx_128to255;
 284        u64 tx_256to511;
 285        u64 tx_512to1023;
 286        u64 tx_1024to1518;
 287        u64 tx_1519tomax;
 288        u64 tx_1519tomax_good;  /* only for xgmac */
 289        u64 tx_oversize;        /* only for xgmac */
 290        u64 tx_jabber_err;
 291        u64 tx_underrun_err;    /* only for gmac */
 292        u64 tx_vlan;            /* only for gmac */
 293        u64 tx_crc_err;         /* only for gmac */
 294        u64 tx_pfc_tc0;
 295        u64 tx_pfc_tc1;         /* only for xgmac */
 296        u64 tx_pfc_tc2;         /* only for xgmac */
 297        u64 tx_pfc_tc3;         /* only for xgmac */
 298        u64 tx_pfc_tc4;         /* only for xgmac */
 299        u64 tx_pfc_tc5;         /* only for xgmac */
 300        u64 tx_pfc_tc6;         /* only for xgmac */
 301        u64 tx_pfc_tc7;         /* only for xgmac */
 302        u64 tx_ctrl;            /* only for xgmac */
 303        u64 tx_1731_pkts;       /* only for xgmac */
 304        u64 tx_1588_pkts;       /* only for xgmac */
 305        u64 rx_good_from_sw;    /* only for xgmac */
 306        u64 rx_bad_from_sw;     /* only for xgmac */
 307};
 308
 309struct hns_mac_cb {
 310        struct device *dev;
 311        struct dsaf_device *dsaf_dev;
 312        struct mac_priv priv;
 313        u8 __iomem *vaddr;
 314        u8 __iomem *cpld_vaddr;
 315        u8 __iomem *sys_ctl_vaddr;
 316        u8 __iomem *serdes_vaddr;
 317        struct mac_entry_idx addr_entry_idx[DSAF_MAX_VM_NUM];
 318        u8 sfp_prsnt;
 319        u8 cpld_led_value;
 320        u8 mac_id;
 321
 322        u8 link;
 323        u8 half_duplex;
 324        u16 speed;
 325        u16 max_speed;
 326        u16 max_frm;
 327        u16 tx_pause_frm_time;
 328        u32 if_support;
 329        u64 txpkt_for_led;
 330        u64 rxpkt_for_led;
 331        enum hnae_port_type mac_type;
 332        phy_interface_t phy_if;
 333        enum hnae_loop loop_mode;
 334
 335        struct device_node *phy_node;
 336
 337        struct mac_hw_stats hw_stats;
 338};
 339
 340struct mac_driver {
 341        /*init Mac when init nic or dsaf*/
 342        void (*mac_init)(void *mac_drv);
 343        /*remove mac when remove nic or dsaf*/
 344        void (*mac_free)(void *mac_drv);
 345        /*enable mac when enable nic or dsaf*/
 346        void (*mac_enable)(void *mac_drv, enum mac_commom_mode mode);
 347        /*disable mac when disable nic or dsaf*/
 348        void (*mac_disable)(void *mac_drv, enum mac_commom_mode mode);
 349        /* config mac address*/
 350        void (*set_mac_addr)(void *mac_drv,     char *mac_addr);
 351        /*adjust mac mode of port,include speed and duplex*/
 352        int (*adjust_link)(void *mac_drv, enum mac_speed speed,
 353                           u32 full_duplex);
 354        /* config autoegotaite mode of port*/
 355        void (*set_an_mode)(void *mac_drv, u8 enable);
 356        /* config loopbank mode */
 357        int (*config_loopback)(void *mac_drv, enum hnae_loop loop_mode,
 358                               u8 enable);
 359        /* config mtu*/
 360        void (*config_max_frame_length)(void *mac_drv, u16 newval);
 361        /*config PAD and CRC enable */
 362        void (*config_pad_and_crc)(void *mac_drv, u8 newval);
 363        /* config duplex mode*/
 364        void (*config_half_duplex)(void *mac_drv, u8 newval);
 365        /*config tx pause time,if pause_time is zero,disable tx pause enable*/
 366        void (*set_tx_auto_pause_frames)(void *mac_drv, u16 pause_time);
 367        /*config rx pause enable*/
 368        void (*set_rx_ignore_pause_frames)(void *mac_drv, u32 enable);
 369        /* config rx mode for promiscuous*/
 370        void (*set_promiscuous)(void *mac_drv, u8 enable);
 371        /* get mac id */
 372        void (*mac_get_id)(void *mac_drv, u8 *mac_id);
 373        void (*mac_pausefrm_cfg)(void *mac_drv, u32 rx_en, u32 tx_en);
 374
 375        void (*autoneg_stat)(void *mac_drv, u32 *enable);
 376        int (*set_pause_enable)(void *mac_drv, u32 rx_en, u32 tx_en);
 377        void (*get_pause_enable)(void *mac_drv, u32 *rx_en, u32 *tx_en);
 378        void (*get_link_status)(void *mac_drv, u32 *link_stat);
 379        /* get the imporant regs*/
 380        void (*get_regs)(void *mac_drv, void *data);
 381        int (*get_regs_count)(void);
 382        /* get strings name for ethtool statistic */
 383        void (*get_strings)(u32 stringset, u8 *data);
 384        /* get the number of strings*/
 385        int (*get_sset_count)(int stringset);
 386
 387        /* get the statistic by ethtools*/
 388        void (*get_ethtool_stats)(void *mac_drv, u64 *data);
 389
 390        /* get mac information */
 391        void (*get_info)(void *mac_drv, struct mac_info *mac_info);
 392
 393        void (*update_stats)(void *mac_drv);
 394
 395        enum mac_mode mac_mode;
 396        u8 mac_id;
 397        struct hns_mac_cb *mac_cb;
 398        void __iomem *io_base;
 399        unsigned int mac_en_flg;/*you'd better don't enable mac twice*/
 400        unsigned int virt_dev_num;
 401        struct device *dev;
 402};
 403
 404struct mac_stats_string {
 405        char desc[64];
 406        unsigned long offset;
 407};
 408
 409#define MAC_MAKE_MODE(interface, speed) (enum mac_mode)((interface) | (speed))
 410#define MAC_INTERFACE_FROM_MODE(mode) (enum mac_intf)((mode) & 0xFFFF0000)
 411#define MAC_SPEED_FROM_MODE(mode) (enum mac_speed)((mode) & 0x0000FFFF)
 412#define MAC_STATS_FIELD_OFF(field) (offsetof(struct mac_hw_stats, field))
 413
 414static inline struct mac_driver *hns_mac_get_drv(
 415        const struct hns_mac_cb *mac_cb)
 416{
 417        return (struct mac_driver *)(mac_cb->priv.mac);
 418}
 419
 420void *hns_gmac_config(struct hns_mac_cb *mac_cb,
 421                      struct mac_params *mac_param);
 422void *hns_xgmac_config(struct hns_mac_cb *mac_cb,
 423                       struct mac_params *mac_param);
 424
 425int hns_mac_init(struct dsaf_device *dsaf_dev);
 426void mac_adjust_link(struct net_device *net_dev);
 427void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status);
 428int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb, u32 vmid, char *addr);
 429int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
 430                      u32 port_num, char *addr, bool enable);
 431int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vm, bool enable);
 432void hns_mac_start(struct hns_mac_cb *mac_cb);
 433void hns_mac_stop(struct hns_mac_cb *mac_cb);
 434int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac);
 435void hns_mac_uninit(struct dsaf_device *dsaf_dev);
 436void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex);
 437void hns_mac_reset(struct hns_mac_cb *mac_cb);
 438void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg);
 439void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en);
 440int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable);
 441int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en);
 442int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu);
 443int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
 444                          u8 *auto_neg, u16 *speed, u8 *duplex);
 445phy_interface_t hns_mac_get_phy_if(struct hns_mac_cb *mac_cb);
 446int hns_mac_config_sds_loopback(struct hns_mac_cb *mac_cb, u8 en);
 447int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
 448                                enum hnae_loop loop, int en);
 449void hns_mac_update_stats(struct hns_mac_cb *mac_cb);
 450void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data);
 451void hns_mac_get_strings(struct hns_mac_cb *mac_cb, int stringset, u8 *data);
 452int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset);
 453void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data);
 454int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb);
 455void hns_set_led_opt(struct hns_mac_cb *mac_cb);
 456int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
 457                        enum hnae_led_state status);
 458void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en);
 459
 460#endif /* _HNS_DSAF_MAC_H */
 461