linux/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Copyright (c) 2014-2015 Hisilicon Limited.
   4 */
   5
   6#include <linux/delay.h>
   7#include <linux/of_mdio.h>
   8#include "hns_dsaf_main.h"
   9#include "hns_dsaf_mac.h"
  10#include "hns_dsaf_gmac.h"
  11
  12static const struct mac_stats_string g_gmac_stats_string[] = {
  13        {"gmac_rx_octets_total_ok", MAC_STATS_FIELD_OFF(rx_good_bytes)},
  14        {"gmac_rx_octets_bad", MAC_STATS_FIELD_OFF(rx_bad_bytes)},
  15        {"gmac_rx_uc_pkts", MAC_STATS_FIELD_OFF(rx_uc_pkts)},
  16        {"gmac_rx_mc_pkts", MAC_STATS_FIELD_OFF(rx_mc_pkts)},
  17        {"gmac_rx_bc_pkts", MAC_STATS_FIELD_OFF(rx_bc_pkts)},
  18        {"gmac_rx_pkts_64octets", MAC_STATS_FIELD_OFF(rx_64bytes)},
  19        {"gmac_rx_pkts_65to127", MAC_STATS_FIELD_OFF(rx_65to127)},
  20        {"gmac_rx_pkts_128to255", MAC_STATS_FIELD_OFF(rx_128to255)},
  21        {"gmac_rx_pkts_256to511", MAC_STATS_FIELD_OFF(rx_256to511)},
  22        {"gmac_rx_pkts_512to1023", MAC_STATS_FIELD_OFF(rx_512to1023)},
  23        {"gmac_rx_pkts_1024to1518", MAC_STATS_FIELD_OFF(rx_1024to1518)},
  24        {"gmac_rx_pkts_1519tomax", MAC_STATS_FIELD_OFF(rx_1519tomax)},
  25        {"gmac_rx_fcs_errors", MAC_STATS_FIELD_OFF(rx_fcs_err)},
  26        {"gmac_rx_tagged", MAC_STATS_FIELD_OFF(rx_vlan_pkts)},
  27        {"gmac_rx_data_err", MAC_STATS_FIELD_OFF(rx_data_err)},
  28        {"gmac_rx_align_errors", MAC_STATS_FIELD_OFF(rx_align_err)},
  29        {"gmac_rx_long_errors", MAC_STATS_FIELD_OFF(rx_oversize)},
  30        {"gmac_rx_jabber_errors", MAC_STATS_FIELD_OFF(rx_jabber_err)},
  31        {"gmac_rx_pause_maccontrol", MAC_STATS_FIELD_OFF(rx_pfc_tc0)},
  32        {"gmac_rx_unknown_maccontrol", MAC_STATS_FIELD_OFF(rx_unknown_ctrl)},
  33        {"gmac_rx_very_long_err", MAC_STATS_FIELD_OFF(rx_long_err)},
  34        {"gmac_rx_runt_err", MAC_STATS_FIELD_OFF(rx_minto64)},
  35        {"gmac_rx_short_err", MAC_STATS_FIELD_OFF(rx_under_min)},
  36        {"gmac_rx_filt_pkt", MAC_STATS_FIELD_OFF(rx_filter_pkts)},
  37        {"gmac_rx_octets_total_filt", MAC_STATS_FIELD_OFF(rx_filter_bytes)},
  38        {"gmac_rx_overrun_cnt", MAC_STATS_FIELD_OFF(rx_fifo_overrun_err)},
  39        {"gmac_rx_length_err", MAC_STATS_FIELD_OFF(rx_len_err)},
  40        {"gmac_rx_fail_comma", MAC_STATS_FIELD_OFF(rx_comma_err)},
  41
  42        {"gmac_tx_octets_ok", MAC_STATS_FIELD_OFF(tx_good_bytes)},
  43        {"gmac_tx_octets_bad", MAC_STATS_FIELD_OFF(tx_bad_bytes)},
  44        {"gmac_tx_uc_pkts", MAC_STATS_FIELD_OFF(tx_uc_pkts)},
  45        {"gmac_tx_mc_pkts", MAC_STATS_FIELD_OFF(tx_mc_pkts)},
  46        {"gmac_tx_bc_pkts", MAC_STATS_FIELD_OFF(tx_bc_pkts)},
  47        {"gmac_tx_pkts_64octets", MAC_STATS_FIELD_OFF(tx_64bytes)},
  48        {"gmac_tx_pkts_65to127", MAC_STATS_FIELD_OFF(tx_65to127)},
  49        {"gmac_tx_pkts_128to255", MAC_STATS_FIELD_OFF(tx_128to255)},
  50        {"gmac_tx_pkts_256to511", MAC_STATS_FIELD_OFF(tx_256to511)},
  51        {"gmac_tx_pkts_512to1023", MAC_STATS_FIELD_OFF(tx_512to1023)},
  52        {"gmac_tx_pkts_1024to1518", MAC_STATS_FIELD_OFF(tx_1024to1518)},
  53        {"gmac_tx_pkts_1519tomax", MAC_STATS_FIELD_OFF(tx_1519tomax)},
  54        {"gmac_tx_excessive_length_drop", MAC_STATS_FIELD_OFF(tx_jabber_err)},
  55        {"gmac_tx_underrun", MAC_STATS_FIELD_OFF(tx_underrun_err)},
  56        {"gmac_tx_tagged", MAC_STATS_FIELD_OFF(tx_vlan)},
  57        {"gmac_tx_crc_error", MAC_STATS_FIELD_OFF(tx_crc_err)},
  58        {"gmac_tx_pause_frames", MAC_STATS_FIELD_OFF(tx_pfc_tc0)}
  59};
  60
  61static void hns_gmac_enable(void *mac_drv, enum mac_commom_mode mode)
  62{
  63        struct mac_driver *drv = (struct mac_driver *)mac_drv;
  64
  65        /*enable GE rX/tX */
  66        if (mode == MAC_COMM_MODE_TX || mode == MAC_COMM_MODE_RX_AND_TX)
  67                dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_TX_EN_B, 1);
  68
  69        if (mode == MAC_COMM_MODE_RX || mode == MAC_COMM_MODE_RX_AND_TX) {
  70                /* enable rx pcs */
  71                dsaf_set_dev_bit(drv, GMAC_PCS_RX_EN_REG, 0, 0);
  72                dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_RX_EN_B, 1);
  73        }
  74}
  75
  76static void hns_gmac_disable(void *mac_drv, enum mac_commom_mode mode)
  77{
  78        struct mac_driver *drv = (struct mac_driver *)mac_drv;
  79
  80        /*disable GE rX/tX */
  81        if (mode == MAC_COMM_MODE_TX || mode == MAC_COMM_MODE_RX_AND_TX)
  82                dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_TX_EN_B, 0);
  83
  84        if (mode == MAC_COMM_MODE_RX || mode == MAC_COMM_MODE_RX_AND_TX) {
  85                /* disable rx pcs */
  86                dsaf_set_dev_bit(drv, GMAC_PCS_RX_EN_REG, 0, 1);
  87                dsaf_set_dev_bit(drv, GMAC_PORT_EN_REG, GMAC_PORT_RX_EN_B, 0);
  88        }
  89}
  90
  91/* hns_gmac_get_en - get port enable
  92 * @mac_drv:mac device
  93 * @rx:rx enable
  94 * @tx:tx enable
  95 */
  96static void hns_gmac_get_en(void *mac_drv, u32 *rx, u32 *tx)
  97{
  98        struct mac_driver *drv = (struct mac_driver *)mac_drv;
  99        u32 porten;
 100
 101        porten = dsaf_read_dev(drv, GMAC_PORT_EN_REG);
 102        *tx = dsaf_get_bit(porten, GMAC_PORT_TX_EN_B);
 103        *rx = dsaf_get_bit(porten, GMAC_PORT_RX_EN_B);
 104}
 105
 106static void hns_gmac_free(void *mac_drv)
 107{
 108        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 109        struct dsaf_device *dsaf_dev
 110                = (struct dsaf_device *)dev_get_drvdata(drv->dev);
 111
 112        u32 mac_id = drv->mac_id;
 113
 114        dsaf_dev->misc_op->ge_srst(dsaf_dev, mac_id, 0);
 115}
 116
 117static void hns_gmac_set_tx_auto_pause_frames(void *mac_drv, u16 newval)
 118{
 119        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 120
 121        dsaf_set_dev_field(drv, GMAC_FC_TX_TIMER_REG, GMAC_FC_TX_TIMER_M,
 122                           GMAC_FC_TX_TIMER_S, newval);
 123}
 124
 125static void hns_gmac_get_tx_auto_pause_frames(void *mac_drv, u16 *newval)
 126{
 127        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 128
 129        *newval = dsaf_get_dev_field(drv, GMAC_FC_TX_TIMER_REG,
 130                                     GMAC_FC_TX_TIMER_M, GMAC_FC_TX_TIMER_S);
 131}
 132
 133static void hns_gmac_set_rx_auto_pause_frames(void *mac_drv, u32 newval)
 134{
 135        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 136
 137        dsaf_set_dev_bit(drv, GMAC_PAUSE_EN_REG,
 138                         GMAC_PAUSE_EN_RX_FDFC_B, !!newval);
 139}
 140
 141static void hns_gmac_config_max_frame_length(void *mac_drv, u16 newval)
 142{
 143        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 144
 145        dsaf_set_dev_field(drv, GMAC_MAX_FRM_SIZE_REG, GMAC_MAX_FRM_SIZE_M,
 146                           GMAC_MAX_FRM_SIZE_S, newval);
 147
 148        dsaf_set_dev_field(drv, GAMC_RX_MAX_FRAME, GMAC_MAX_FRM_SIZE_M,
 149                           GMAC_MAX_FRM_SIZE_S, newval);
 150}
 151
 152static void hns_gmac_config_pad_and_crc(void *mac_drv, u8 newval)
 153{
 154        u32 tx_ctrl;
 155        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 156
 157        tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG);
 158        dsaf_set_bit(tx_ctrl, GMAC_TX_PAD_EN_B, !!newval);
 159        dsaf_set_bit(tx_ctrl, GMAC_TX_CRC_ADD_B, !!newval);
 160        dsaf_write_dev(drv, GMAC_TRANSMIT_CONTROL_REG, tx_ctrl);
 161}
 162
 163static void hns_gmac_config_an_mode(void *mac_drv, u8 newval)
 164{
 165        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 166
 167        dsaf_set_dev_bit(drv, GMAC_TRANSMIT_CONTROL_REG,
 168                         GMAC_TX_AN_EN_B, !!newval);
 169}
 170
 171static void hns_gmac_tx_loop_pkt_dis(void *mac_drv)
 172{
 173        u32 tx_loop_pkt_pri;
 174        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 175
 176        tx_loop_pkt_pri = dsaf_read_dev(drv, GMAC_TX_LOOP_PKT_PRI_REG);
 177        dsaf_set_bit(tx_loop_pkt_pri, GMAC_TX_LOOP_PKT_EN_B, 1);
 178        dsaf_set_bit(tx_loop_pkt_pri, GMAC_TX_LOOP_PKT_HIG_PRI_B, 0);
 179        dsaf_write_dev(drv, GMAC_TX_LOOP_PKT_PRI_REG, tx_loop_pkt_pri);
 180}
 181
 182static void hns_gmac_set_duplex_type(void *mac_drv, u8 newval)
 183{
 184        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 185
 186        dsaf_set_dev_bit(drv, GMAC_DUPLEX_TYPE_REG,
 187                         GMAC_DUPLEX_TYPE_B, !!newval);
 188}
 189
 190static void hns_gmac_get_duplex_type(void *mac_drv,
 191                                     enum hns_gmac_duplex_mdoe *duplex_mode)
 192{
 193        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 194
 195        *duplex_mode = (enum hns_gmac_duplex_mdoe)dsaf_get_dev_bit(
 196                drv, GMAC_DUPLEX_TYPE_REG, GMAC_DUPLEX_TYPE_B);
 197}
 198
 199static void hns_gmac_get_port_mode(void *mac_drv, enum hns_port_mode *port_mode)
 200{
 201        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 202
 203        *port_mode = (enum hns_port_mode)dsaf_get_dev_field(
 204                drv, GMAC_PORT_MODE_REG, GMAC_PORT_MODE_M, GMAC_PORT_MODE_S);
 205}
 206
 207static void hns_gmac_port_mode_get(void *mac_drv,
 208                                   struct hns_gmac_port_mode_cfg *port_mode)
 209{
 210        u32 tx_ctrl;
 211        u32 recv_ctrl;
 212        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 213
 214        port_mode->port_mode = (enum hns_port_mode)dsaf_get_dev_field(
 215                drv, GMAC_PORT_MODE_REG, GMAC_PORT_MODE_M, GMAC_PORT_MODE_S);
 216
 217        tx_ctrl = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG);
 218        recv_ctrl = dsaf_read_dev(drv, GMAC_RECV_CONTROL_REG);
 219
 220        port_mode->max_frm_size =
 221                dsaf_get_dev_field(drv, GMAC_MAX_FRM_SIZE_REG,
 222                                   GMAC_MAX_FRM_SIZE_M, GMAC_MAX_FRM_SIZE_S);
 223        port_mode->short_runts_thr =
 224                dsaf_get_dev_field(drv, GMAC_SHORT_RUNTS_THR_REG,
 225                                   GMAC_SHORT_RUNTS_THR_M,
 226                                   GMAC_SHORT_RUNTS_THR_S);
 227
 228        port_mode->pad_enable = dsaf_get_bit(tx_ctrl, GMAC_TX_PAD_EN_B);
 229        port_mode->crc_add = dsaf_get_bit(tx_ctrl, GMAC_TX_CRC_ADD_B);
 230        port_mode->an_enable = dsaf_get_bit(tx_ctrl, GMAC_TX_AN_EN_B);
 231
 232        port_mode->runt_pkt_en =
 233                dsaf_get_bit(recv_ctrl, GMAC_RECV_CTRL_RUNT_PKT_EN_B);
 234        port_mode->strip_pad_en =
 235                dsaf_get_bit(recv_ctrl, GMAC_RECV_CTRL_STRIP_PAD_EN_B);
 236}
 237
 238static void hns_gmac_pause_frm_cfg(void *mac_drv, u32 rx_pause_en,
 239                                   u32 tx_pause_en)
 240{
 241        u32 pause_en;
 242        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 243
 244        pause_en = dsaf_read_dev(drv, GMAC_PAUSE_EN_REG);
 245        dsaf_set_bit(pause_en, GMAC_PAUSE_EN_RX_FDFC_B, !!rx_pause_en);
 246        dsaf_set_bit(pause_en, GMAC_PAUSE_EN_TX_FDFC_B, !!tx_pause_en);
 247        dsaf_write_dev(drv, GMAC_PAUSE_EN_REG, pause_en);
 248}
 249
 250static void hns_gmac_get_pausefrm_cfg(void *mac_drv, u32 *rx_pause_en,
 251                                      u32 *tx_pause_en)
 252{
 253        u32 pause_en;
 254        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 255
 256        pause_en = dsaf_read_dev(drv, GMAC_PAUSE_EN_REG);
 257
 258        *rx_pause_en = dsaf_get_bit(pause_en, GMAC_PAUSE_EN_RX_FDFC_B);
 259        *tx_pause_en = dsaf_get_bit(pause_en, GMAC_PAUSE_EN_TX_FDFC_B);
 260}
 261
 262static bool hns_gmac_need_adjust_link(void *mac_drv, enum mac_speed speed,
 263                                      int duplex)
 264{
 265        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 266        struct hns_mac_cb *mac_cb = drv->mac_cb;
 267
 268        return (mac_cb->speed != speed) ||
 269                (mac_cb->half_duplex == duplex);
 270}
 271
 272static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed,
 273                                u32 full_duplex)
 274{
 275        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 276
 277        dsaf_set_dev_bit(drv, GMAC_DUPLEX_TYPE_REG,
 278                         GMAC_DUPLEX_TYPE_B, !!full_duplex);
 279
 280        switch (speed) {
 281        case MAC_SPEED_10:
 282                dsaf_set_dev_field(
 283                        drv, GMAC_PORT_MODE_REG,
 284                        GMAC_PORT_MODE_M, GMAC_PORT_MODE_S, 0x6);
 285                break;
 286        case MAC_SPEED_100:
 287                dsaf_set_dev_field(
 288                        drv, GMAC_PORT_MODE_REG,
 289                        GMAC_PORT_MODE_M, GMAC_PORT_MODE_S, 0x7);
 290                break;
 291        case MAC_SPEED_1000:
 292                dsaf_set_dev_field(
 293                        drv, GMAC_PORT_MODE_REG,
 294                        GMAC_PORT_MODE_M, GMAC_PORT_MODE_S, 0x8);
 295                break;
 296        default:
 297                dev_err(drv->dev,
 298                        "hns_gmac_adjust_link fail, speed%d mac%d\n",
 299                        speed, drv->mac_id);
 300                return -EINVAL;
 301        }
 302
 303        return 0;
 304}
 305
 306static void hns_gmac_set_uc_match(void *mac_drv, u16 en)
 307{
 308        struct mac_driver *drv = mac_drv;
 309
 310        dsaf_set_dev_bit(drv, GMAC_REC_FILT_CONTROL_REG,
 311                         GMAC_UC_MATCH_EN_B, !en);
 312        dsaf_set_dev_bit(drv, GMAC_STATION_ADDR_HIGH_2_REG,
 313                         GMAC_ADDR_EN_B, !en);
 314}
 315
 316static void hns_gmac_set_promisc(void *mac_drv, u8 en)
 317{
 318        struct mac_driver *drv = mac_drv;
 319
 320        if (drv->mac_cb->mac_type == HNAE_PORT_DEBUG)
 321                hns_gmac_set_uc_match(mac_drv, en);
 322}
 323
 324static int hns_gmac_wait_fifo_clean(void *mac_drv)
 325{
 326        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 327        int wait_cnt;
 328        u32 val;
 329
 330        wait_cnt = 0;
 331        while (wait_cnt++ < HNS_MAX_WAIT_CNT) {
 332                val = dsaf_read_dev(drv, GMAC_FIFO_STATE_REG);
 333                /* bit5~bit0 is not send complete pkts */
 334                if ((val & 0x3f) == 0)
 335                        break;
 336                usleep_range(100, 200);
 337        }
 338
 339        if (wait_cnt >= HNS_MAX_WAIT_CNT) {
 340                dev_err(drv->dev,
 341                        "hns ge %d fifo was not idle.\n", drv->mac_id);
 342                return -EBUSY;
 343        }
 344
 345        return 0;
 346}
 347
 348static void hns_gmac_init(void *mac_drv)
 349{
 350        u32 port;
 351        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 352        struct dsaf_device *dsaf_dev
 353                = (struct dsaf_device *)dev_get_drvdata(drv->dev);
 354
 355        port = drv->mac_id;
 356
 357        dsaf_dev->misc_op->ge_srst(dsaf_dev, port, 0);
 358        mdelay(10);
 359        dsaf_dev->misc_op->ge_srst(dsaf_dev, port, 1);
 360        mdelay(10);
 361        hns_gmac_disable(mac_drv, MAC_COMM_MODE_RX_AND_TX);
 362        hns_gmac_tx_loop_pkt_dis(mac_drv);
 363        if (drv->mac_cb->mac_type == HNAE_PORT_DEBUG)
 364                hns_gmac_set_uc_match(mac_drv, 0);
 365
 366        hns_gmac_config_pad_and_crc(mac_drv, 1);
 367
 368        dsaf_set_dev_bit(drv, GMAC_MODE_CHANGE_EN_REG,
 369                         GMAC_MODE_CHANGE_EB_B, 1);
 370
 371        /* reduce gmac tx water line to avoid gmac hang-up
 372         * in speed 100M and duplex half.
 373         */
 374        dsaf_set_dev_field(drv, GMAC_TX_WATER_LINE_REG, GMAC_TX_WATER_LINE_MASK,
 375                           GMAC_TX_WATER_LINE_SHIFT, 8);
 376}
 377
 378static void hns_gmac_update_stats(void *mac_drv)
 379{
 380        struct mac_hw_stats *hw_stats = NULL;
 381        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 382
 383        hw_stats = &drv->mac_cb->hw_stats;
 384
 385        /* RX */
 386        hw_stats->rx_good_bytes
 387                += dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_OK_REG);
 388        hw_stats->rx_bad_bytes
 389                += dsaf_read_dev(drv, GMAC_RX_OCTETS_BAD_REG);
 390        hw_stats->rx_uc_pkts += dsaf_read_dev(drv, GMAC_RX_UC_PKTS_REG);
 391        hw_stats->rx_mc_pkts += dsaf_read_dev(drv, GMAC_RX_MC_PKTS_REG);
 392        hw_stats->rx_bc_pkts += dsaf_read_dev(drv, GMAC_RX_BC_PKTS_REG);
 393        hw_stats->rx_64bytes
 394                += dsaf_read_dev(drv, GMAC_RX_PKTS_64OCTETS_REG);
 395        hw_stats->rx_65to127
 396                += dsaf_read_dev(drv, GMAC_RX_PKTS_65TO127OCTETS_REG);
 397        hw_stats->rx_128to255
 398                += dsaf_read_dev(drv, GMAC_RX_PKTS_128TO255OCTETS_REG);
 399        hw_stats->rx_256to511
 400                += dsaf_read_dev(drv, GMAC_RX_PKTS_255TO511OCTETS_REG);
 401        hw_stats->rx_512to1023
 402                += dsaf_read_dev(drv, GMAC_RX_PKTS_512TO1023OCTETS_REG);
 403        hw_stats->rx_1024to1518
 404                += dsaf_read_dev(drv, GMAC_RX_PKTS_1024TO1518OCTETS_REG);
 405        hw_stats->rx_1519tomax
 406                += dsaf_read_dev(drv, GMAC_RX_PKTS_1519TOMAXOCTETS_REG);
 407        hw_stats->rx_fcs_err += dsaf_read_dev(drv, GMAC_RX_FCS_ERRORS_REG);
 408        hw_stats->rx_vlan_pkts += dsaf_read_dev(drv, GMAC_RX_TAGGED_REG);
 409        hw_stats->rx_data_err += dsaf_read_dev(drv, GMAC_RX_DATA_ERR_REG);
 410        hw_stats->rx_align_err
 411                += dsaf_read_dev(drv, GMAC_RX_ALIGN_ERRORS_REG);
 412        hw_stats->rx_oversize
 413                += dsaf_read_dev(drv, GMAC_RX_LONG_ERRORS_REG);
 414        hw_stats->rx_jabber_err
 415                += dsaf_read_dev(drv, GMAC_RX_JABBER_ERRORS_REG);
 416        hw_stats->rx_pfc_tc0
 417                += dsaf_read_dev(drv, GMAC_RX_PAUSE_MACCTRL_FRAM_REG);
 418        hw_stats->rx_unknown_ctrl
 419                += dsaf_read_dev(drv, GMAC_RX_UNKNOWN_MACCTRL_FRAM_REG);
 420        hw_stats->rx_long_err
 421                += dsaf_read_dev(drv, GMAC_RX_VERY_LONG_ERR_CNT_REG);
 422        hw_stats->rx_minto64
 423                += dsaf_read_dev(drv, GMAC_RX_RUNT_ERR_CNT_REG);
 424        hw_stats->rx_under_min
 425                += dsaf_read_dev(drv, GMAC_RX_SHORT_ERR_CNT_REG);
 426        hw_stats->rx_filter_pkts
 427                += dsaf_read_dev(drv, GMAC_RX_FILT_PKT_CNT_REG);
 428        hw_stats->rx_filter_bytes
 429                += dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_FILT_REG);
 430        hw_stats->rx_fifo_overrun_err
 431                += dsaf_read_dev(drv, GMAC_RX_OVERRUN_CNT_REG);
 432        hw_stats->rx_len_err
 433                += dsaf_read_dev(drv, GMAC_RX_LENGTHFIELD_ERR_CNT_REG);
 434        hw_stats->rx_comma_err
 435                += dsaf_read_dev(drv, GMAC_RX_FAIL_COMMA_CNT_REG);
 436
 437        /* TX */
 438        hw_stats->tx_good_bytes
 439                += dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_OK_REG);
 440        hw_stats->tx_bad_bytes
 441                += dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_BAD_REG);
 442        hw_stats->tx_uc_pkts += dsaf_read_dev(drv, GMAC_TX_UC_PKTS_REG);
 443        hw_stats->tx_mc_pkts += dsaf_read_dev(drv, GMAC_TX_MC_PKTS_REG);
 444        hw_stats->tx_bc_pkts += dsaf_read_dev(drv, GMAC_TX_BC_PKTS_REG);
 445        hw_stats->tx_64bytes
 446                += dsaf_read_dev(drv, GMAC_TX_PKTS_64OCTETS_REG);
 447        hw_stats->tx_65to127
 448                += dsaf_read_dev(drv, GMAC_TX_PKTS_65TO127OCTETS_REG);
 449        hw_stats->tx_128to255
 450                += dsaf_read_dev(drv, GMAC_TX_PKTS_128TO255OCTETS_REG);
 451        hw_stats->tx_256to511
 452                += dsaf_read_dev(drv, GMAC_TX_PKTS_255TO511OCTETS_REG);
 453        hw_stats->tx_512to1023
 454                += dsaf_read_dev(drv, GMAC_TX_PKTS_512TO1023OCTETS_REG);
 455        hw_stats->tx_1024to1518
 456                += dsaf_read_dev(drv, GMAC_TX_PKTS_1024TO1518OCTETS_REG);
 457        hw_stats->tx_1519tomax
 458                += dsaf_read_dev(drv, GMAC_TX_PKTS_1519TOMAXOCTETS_REG);
 459        hw_stats->tx_jabber_err
 460                += dsaf_read_dev(drv, GMAC_TX_EXCESSIVE_LENGTH_DROP_REG);
 461        hw_stats->tx_underrun_err
 462                += dsaf_read_dev(drv, GMAC_TX_UNDERRUN_REG);
 463        hw_stats->tx_vlan += dsaf_read_dev(drv, GMAC_TX_TAGGED_REG);
 464        hw_stats->tx_crc_err += dsaf_read_dev(drv, GMAC_TX_CRC_ERROR_REG);
 465        hw_stats->tx_pfc_tc0
 466                += dsaf_read_dev(drv, GMAC_TX_PAUSE_FRAMES_REG);
 467}
 468
 469static void hns_gmac_set_mac_addr(void *mac_drv, char *mac_addr)
 470{
 471        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 472
 473        u32 high_val = mac_addr[1] | (mac_addr[0] << 8);
 474
 475        u32 low_val = mac_addr[5] | (mac_addr[4] << 8)
 476                | (mac_addr[3] << 16) | (mac_addr[2] << 24);
 477
 478        u32 val = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG);
 479        u32 sta_addr_en = dsaf_get_bit(val, GMAC_ADDR_EN_B);
 480
 481        dsaf_write_dev(drv, GMAC_STATION_ADDR_LOW_2_REG, low_val);
 482        dsaf_write_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG,
 483                       high_val | (sta_addr_en << GMAC_ADDR_EN_B));
 484}
 485
 486static int hns_gmac_config_loopback(void *mac_drv, enum hnae_loop loop_mode,
 487                                    u8 enable)
 488{
 489        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 490
 491        switch (loop_mode) {
 492        case MAC_INTERNALLOOP_MAC:
 493                dsaf_set_dev_bit(drv, GMAC_LOOP_REG, GMAC_LP_REG_CF2MI_LP_EN_B,
 494                                 !!enable);
 495                break;
 496        default:
 497                dev_err(drv->dev, "loop_mode error\n");
 498                return -EINVAL;
 499        }
 500
 501        return 0;
 502}
 503
 504static void hns_gmac_get_info(void *mac_drv, struct mac_info *mac_info)
 505{
 506        enum hns_gmac_duplex_mdoe duplex;
 507        enum hns_port_mode speed;
 508        u32 rx_pause;
 509        u32 tx_pause;
 510        u32 rx;
 511        u32 tx;
 512        u16 fc_tx_timer;
 513        struct hns_gmac_port_mode_cfg port_mode = { GMAC_10M_MII, 0 };
 514
 515        hns_gmac_port_mode_get(mac_drv, &port_mode);
 516        mac_info->pad_and_crc_en = port_mode.crc_add && port_mode.pad_enable;
 517        mac_info->auto_neg = port_mode.an_enable;
 518
 519        hns_gmac_get_tx_auto_pause_frames(mac_drv, &fc_tx_timer);
 520        mac_info->tx_pause_time = fc_tx_timer;
 521
 522        hns_gmac_get_en(mac_drv, &rx, &tx);
 523        mac_info->port_en = rx && tx;
 524
 525        hns_gmac_get_duplex_type(mac_drv, &duplex);
 526        mac_info->duplex = duplex;
 527
 528        hns_gmac_get_port_mode(mac_drv, &speed);
 529        switch (speed) {
 530        case GMAC_10M_SGMII:
 531                mac_info->speed = MAC_SPEED_10;
 532                break;
 533        case GMAC_100M_SGMII:
 534                mac_info->speed = MAC_SPEED_100;
 535                break;
 536        case GMAC_1000M_SGMII:
 537                mac_info->speed = MAC_SPEED_1000;
 538                break;
 539        default:
 540                mac_info->speed = 0;
 541                break;
 542        }
 543
 544        hns_gmac_get_pausefrm_cfg(mac_drv, &rx_pause, &tx_pause);
 545        mac_info->rx_pause_en = rx_pause;
 546        mac_info->tx_pause_en = tx_pause;
 547}
 548
 549static void hns_gmac_autoneg_stat(void *mac_drv, u32 *enable)
 550{
 551        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 552
 553        *enable = dsaf_get_dev_bit(drv, GMAC_TRANSMIT_CONTROL_REG,
 554                                   GMAC_TX_AN_EN_B);
 555}
 556
 557static void hns_gmac_get_link_status(void *mac_drv, u32 *link_stat)
 558{
 559        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 560
 561        *link_stat = dsaf_get_dev_bit(drv, GMAC_AN_NEG_STATE_REG,
 562                                      GMAC_AN_NEG_STAT_RX_SYNC_OK_B);
 563}
 564
 565static void hns_gmac_get_regs(void *mac_drv, void *data)
 566{
 567        u32 *regs = data;
 568        int i;
 569        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 570
 571        /* base config registers */
 572        regs[0] = dsaf_read_dev(drv, GMAC_DUPLEX_TYPE_REG);
 573        regs[1] = dsaf_read_dev(drv, GMAC_FD_FC_TYPE_REG);
 574        regs[2] = dsaf_read_dev(drv, GMAC_FC_TX_TIMER_REG);
 575        regs[3] = dsaf_read_dev(drv, GMAC_FD_FC_ADDR_LOW_REG);
 576        regs[4] = dsaf_read_dev(drv, GMAC_FD_FC_ADDR_HIGH_REG);
 577        regs[5] = dsaf_read_dev(drv, GMAC_IPG_TX_TIMER_REG);
 578        regs[6] = dsaf_read_dev(drv, GMAC_PAUSE_THR_REG);
 579        regs[7] = dsaf_read_dev(drv, GMAC_MAX_FRM_SIZE_REG);
 580        regs[8] = dsaf_read_dev(drv, GMAC_PORT_MODE_REG);
 581        regs[9] = dsaf_read_dev(drv, GMAC_PORT_EN_REG);
 582        regs[10] = dsaf_read_dev(drv, GMAC_PAUSE_EN_REG);
 583        regs[11] = dsaf_read_dev(drv, GMAC_SHORT_RUNTS_THR_REG);
 584        regs[12] = dsaf_read_dev(drv, GMAC_AN_NEG_STATE_REG);
 585        regs[13] = dsaf_read_dev(drv, GMAC_TX_LOCAL_PAGE_REG);
 586        regs[14] = dsaf_read_dev(drv, GMAC_TRANSMIT_CONTROL_REG);
 587        regs[15] = dsaf_read_dev(drv, GMAC_REC_FILT_CONTROL_REG);
 588        regs[16] = dsaf_read_dev(drv, GMAC_PTP_CONFIG_REG);
 589
 590        /* rx static registers */
 591        regs[17] = dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_OK_REG);
 592        regs[18] = dsaf_read_dev(drv, GMAC_RX_OCTETS_BAD_REG);
 593        regs[19] = dsaf_read_dev(drv, GMAC_RX_UC_PKTS_REG);
 594        regs[20] = dsaf_read_dev(drv, GMAC_RX_MC_PKTS_REG);
 595        regs[21] = dsaf_read_dev(drv, GMAC_RX_BC_PKTS_REG);
 596        regs[22] = dsaf_read_dev(drv, GMAC_RX_PKTS_64OCTETS_REG);
 597        regs[23] = dsaf_read_dev(drv, GMAC_RX_PKTS_65TO127OCTETS_REG);
 598        regs[24] = dsaf_read_dev(drv, GMAC_RX_PKTS_128TO255OCTETS_REG);
 599        regs[25] = dsaf_read_dev(drv, GMAC_RX_PKTS_255TO511OCTETS_REG);
 600        regs[26] = dsaf_read_dev(drv, GMAC_RX_PKTS_512TO1023OCTETS_REG);
 601        regs[27] = dsaf_read_dev(drv, GMAC_RX_PKTS_1024TO1518OCTETS_REG);
 602        regs[28] = dsaf_read_dev(drv, GMAC_RX_PKTS_1519TOMAXOCTETS_REG);
 603        regs[29] = dsaf_read_dev(drv, GMAC_RX_FCS_ERRORS_REG);
 604        regs[30] = dsaf_read_dev(drv, GMAC_RX_TAGGED_REG);
 605        regs[31] = dsaf_read_dev(drv, GMAC_RX_DATA_ERR_REG);
 606        regs[32] = dsaf_read_dev(drv, GMAC_RX_ALIGN_ERRORS_REG);
 607        regs[33] = dsaf_read_dev(drv, GMAC_RX_LONG_ERRORS_REG);
 608        regs[34] = dsaf_read_dev(drv, GMAC_RX_JABBER_ERRORS_REG);
 609        regs[35] = dsaf_read_dev(drv, GMAC_RX_PAUSE_MACCTRL_FRAM_REG);
 610        regs[36] = dsaf_read_dev(drv, GMAC_RX_UNKNOWN_MACCTRL_FRAM_REG);
 611        regs[37] = dsaf_read_dev(drv, GMAC_RX_VERY_LONG_ERR_CNT_REG);
 612        regs[38] = dsaf_read_dev(drv, GMAC_RX_RUNT_ERR_CNT_REG);
 613        regs[39] = dsaf_read_dev(drv, GMAC_RX_SHORT_ERR_CNT_REG);
 614        regs[40] = dsaf_read_dev(drv, GMAC_RX_FILT_PKT_CNT_REG);
 615        regs[41] = dsaf_read_dev(drv, GMAC_RX_OCTETS_TOTAL_FILT_REG);
 616
 617        /* tx static registers */
 618        regs[42] = dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_OK_REG);
 619        regs[43] = dsaf_read_dev(drv, GMAC_OCTETS_TRANSMITTED_BAD_REG);
 620        regs[44] = dsaf_read_dev(drv, GMAC_TX_UC_PKTS_REG);
 621        regs[45] = dsaf_read_dev(drv, GMAC_TX_MC_PKTS_REG);
 622        regs[46] = dsaf_read_dev(drv, GMAC_TX_BC_PKTS_REG);
 623        regs[47] = dsaf_read_dev(drv, GMAC_TX_PKTS_64OCTETS_REG);
 624        regs[48] = dsaf_read_dev(drv, GMAC_TX_PKTS_65TO127OCTETS_REG);
 625        regs[49] = dsaf_read_dev(drv, GMAC_TX_PKTS_128TO255OCTETS_REG);
 626        regs[50] = dsaf_read_dev(drv, GMAC_TX_PKTS_255TO511OCTETS_REG);
 627        regs[51] = dsaf_read_dev(drv, GMAC_TX_PKTS_512TO1023OCTETS_REG);
 628        regs[52] = dsaf_read_dev(drv, GMAC_TX_PKTS_1024TO1518OCTETS_REG);
 629        regs[53] = dsaf_read_dev(drv, GMAC_TX_PKTS_1519TOMAXOCTETS_REG);
 630        regs[54] = dsaf_read_dev(drv, GMAC_TX_EXCESSIVE_LENGTH_DROP_REG);
 631        regs[55] = dsaf_read_dev(drv, GMAC_TX_UNDERRUN_REG);
 632        regs[56] = dsaf_read_dev(drv, GMAC_TX_TAGGED_REG);
 633        regs[57] = dsaf_read_dev(drv, GMAC_TX_CRC_ERROR_REG);
 634        regs[58] = dsaf_read_dev(drv, GMAC_TX_PAUSE_FRAMES_REG);
 635
 636        regs[59] = dsaf_read_dev(drv, GAMC_RX_MAX_FRAME);
 637        regs[60] = dsaf_read_dev(drv, GMAC_LINE_LOOP_BACK_REG);
 638        regs[61] = dsaf_read_dev(drv, GMAC_CF_CRC_STRIP_REG);
 639        regs[62] = dsaf_read_dev(drv, GMAC_MODE_CHANGE_EN_REG);
 640        regs[63] = dsaf_read_dev(drv, GMAC_SIXTEEN_BIT_CNTR_REG);
 641        regs[64] = dsaf_read_dev(drv, GMAC_LD_LINK_COUNTER_REG);
 642        regs[65] = dsaf_read_dev(drv, GMAC_LOOP_REG);
 643        regs[66] = dsaf_read_dev(drv, GMAC_RECV_CONTROL_REG);
 644        regs[67] = dsaf_read_dev(drv, GMAC_VLAN_CODE_REG);
 645        regs[68] = dsaf_read_dev(drv, GMAC_RX_OVERRUN_CNT_REG);
 646        regs[69] = dsaf_read_dev(drv, GMAC_RX_LENGTHFIELD_ERR_CNT_REG);
 647        regs[70] = dsaf_read_dev(drv, GMAC_RX_FAIL_COMMA_CNT_REG);
 648
 649        regs[71] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_0_REG);
 650        regs[72] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_0_REG);
 651        regs[73] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_1_REG);
 652        regs[74] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_1_REG);
 653        regs[75] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_2_REG);
 654        regs[76] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_2_REG);
 655        regs[77] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_3_REG);
 656        regs[78] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_3_REG);
 657        regs[79] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_4_REG);
 658        regs[80] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_4_REG);
 659        regs[81] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_5_REG);
 660        regs[82] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_5_REG);
 661        regs[83] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_MSK_0_REG);
 662        regs[84] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_MSK_0_REG);
 663        regs[85] = dsaf_read_dev(drv, GMAC_STATION_ADDR_LOW_MSK_1_REG);
 664        regs[86] = dsaf_read_dev(drv, GMAC_STATION_ADDR_HIGH_MSK_1_REG);
 665        regs[87] = dsaf_read_dev(drv, GMAC_MAC_SKIP_LEN_REG);
 666        regs[88] = dsaf_read_dev(drv, GMAC_TX_LOOP_PKT_PRI_REG);
 667
 668        /* mark end of mac regs */
 669        for (i = 89; i < 96; i++)
 670                regs[i] = 0xaaaaaaaa;
 671}
 672
 673static void hns_gmac_get_stats(void *mac_drv, u64 *data)
 674{
 675        u32 i;
 676        u64 *buf = data;
 677        struct mac_driver *drv = (struct mac_driver *)mac_drv;
 678        struct mac_hw_stats *hw_stats = NULL;
 679
 680        hw_stats = &drv->mac_cb->hw_stats;
 681
 682        for (i = 0; i < ARRAY_SIZE(g_gmac_stats_string); i++) {
 683                buf[i] = DSAF_STATS_READ(hw_stats,
 684                        g_gmac_stats_string[i].offset);
 685        }
 686}
 687
 688static void hns_gmac_get_strings(u32 stringset, u8 *data)
 689{
 690        char *buff = (char *)data;
 691        u32 i;
 692
 693        if (stringset != ETH_SS_STATS)
 694                return;
 695
 696        for (i = 0; i < ARRAY_SIZE(g_gmac_stats_string); i++) {
 697                snprintf(buff, ETH_GSTRING_LEN, "%s",
 698                         g_gmac_stats_string[i].desc);
 699                buff = buff + ETH_GSTRING_LEN;
 700        }
 701}
 702
 703static int hns_gmac_get_sset_count(int stringset)
 704{
 705        if (stringset == ETH_SS_STATS)
 706                return ARRAY_SIZE(g_gmac_stats_string);
 707
 708        return 0;
 709}
 710
 711static int hns_gmac_get_regs_count(void)
 712{
 713        return ETH_GMAC_DUMP_NUM;
 714}
 715
 716void *hns_gmac_config(struct hns_mac_cb *mac_cb, struct mac_params *mac_param)
 717{
 718        struct mac_driver *mac_drv;
 719
 720        mac_drv = devm_kzalloc(mac_cb->dev, sizeof(*mac_drv), GFP_KERNEL);
 721        if (!mac_drv)
 722                return NULL;
 723
 724        mac_drv->mac_init = hns_gmac_init;
 725        mac_drv->mac_enable = hns_gmac_enable;
 726        mac_drv->mac_disable = hns_gmac_disable;
 727        mac_drv->mac_free = hns_gmac_free;
 728        mac_drv->adjust_link = hns_gmac_adjust_link;
 729        mac_drv->need_adjust_link = hns_gmac_need_adjust_link;
 730        mac_drv->set_tx_auto_pause_frames = hns_gmac_set_tx_auto_pause_frames;
 731        mac_drv->config_max_frame_length = hns_gmac_config_max_frame_length;
 732        mac_drv->mac_pausefrm_cfg = hns_gmac_pause_frm_cfg;
 733
 734        mac_drv->mac_id = mac_param->mac_id;
 735        mac_drv->mac_mode = mac_param->mac_mode;
 736        mac_drv->io_base = mac_param->vaddr;
 737        mac_drv->dev = mac_param->dev;
 738        mac_drv->mac_cb = mac_cb;
 739
 740        mac_drv->set_mac_addr = hns_gmac_set_mac_addr;
 741        mac_drv->set_an_mode = hns_gmac_config_an_mode;
 742        mac_drv->config_loopback = hns_gmac_config_loopback;
 743        mac_drv->config_pad_and_crc = hns_gmac_config_pad_and_crc;
 744        mac_drv->config_half_duplex = hns_gmac_set_duplex_type;
 745        mac_drv->set_rx_ignore_pause_frames = hns_gmac_set_rx_auto_pause_frames;
 746        mac_drv->get_info = hns_gmac_get_info;
 747        mac_drv->autoneg_stat = hns_gmac_autoneg_stat;
 748        mac_drv->get_pause_enable = hns_gmac_get_pausefrm_cfg;
 749        mac_drv->get_link_status = hns_gmac_get_link_status;
 750        mac_drv->get_regs = hns_gmac_get_regs;
 751        mac_drv->get_regs_count = hns_gmac_get_regs_count;
 752        mac_drv->get_ethtool_stats = hns_gmac_get_stats;
 753        mac_drv->get_sset_count = hns_gmac_get_sset_count;
 754        mac_drv->get_strings = hns_gmac_get_strings;
 755        mac_drv->update_stats = hns_gmac_update_stats;
 756        mac_drv->set_promiscuous = hns_gmac_set_promisc;
 757        mac_drv->wait_fifo_clean = hns_gmac_wait_fifo_clean;
 758
 759        return (void *)mac_drv;
 760}
 761