drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c

   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 #include <linux/acpi.h>
  11 #include <linux/init.h>
  12 #include <linux/interrupt.h>
  13 #include <linux/kernel.h>
  14 #include <linux/mfd/syscon.h>
  15 #include <linux/module.h>
  16 #include <linux/netdevice.h>
  17 #include <linux/of.h>
  18 #include <linux/of_address.h>
  19 #include <linux/of_mdio.h>
  20 #include <linux/phy.h>
  21 #include <linux/platform_device.h>
  22
  23 #include "hns_dsaf_main.h"
  24 #include "hns_dsaf_misc.h"
  25 #include "hns_dsaf_rcb.h"
  26
  27 #define MAC_EN_FLAG_V           0xada0328
  28
  29 static const u16 mac_phy_to_speed[] = {
  30         [PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
  31         [PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
  32         [PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
  33         [PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
  34         [PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
  35         [PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
  36         [PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
  37         [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
  38         [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
  39         [PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
  40         [PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
  41 };
  42
  43 static const enum mac_mode g_mac_mode_100[] = {
  44         [PHY_INTERFACE_MODE_MII]        = MAC_MODE_MII_100,
  45         [PHY_INTERFACE_MODE_RMII]   = MAC_MODE_RMII_100
  46 };
  47
  48 static const enum mac_mode g_mac_mode_1000[] = {
  49         [PHY_INTERFACE_MODE_GMII]   = MAC_MODE_GMII_1000,
  50         [PHY_INTERFACE_MODE_SGMII]  = MAC_MODE_SGMII_1000,
  51         [PHY_INTERFACE_MODE_TBI]        = MAC_MODE_TBI_1000,
  52         [PHY_INTERFACE_MODE_RGMII]  = MAC_MODE_RGMII_1000,
  53         [PHY_INTERFACE_MODE_RGMII_ID]   = MAC_MODE_RGMII_1000,
  54         [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
  55         [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
  56         [PHY_INTERFACE_MODE_RTBI]   = MAC_MODE_RTBI_1000
  57 };
  58
  59 static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
  60 {
  61         switch (mac_cb->max_speed) {
  62         case MAC_SPEED_100:
  63                 return g_mac_mode_100[mac_cb->phy_if];
  64         case MAC_SPEED_1000:
  65                 return g_mac_mode_1000[mac_cb->phy_if];
  66         case MAC_SPEED_10000:
  67                 return MAC_MODE_XGMII_10000;
  68         default:
  69                 return MAC_MODE_MII_100;
  70         }
  71 }
  72
  73 void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
  74 {
  75         struct mac_driver *mac_ctrl_drv;
  76         int ret, sfp_prsnt;
  77
  78         mac_ctrl_drv = hns_mac_get_drv(mac_cb);
  79
  80         if (mac_ctrl_drv->get_link_status)
  81                 mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
  82         else
  83                 *link_status = 0;
  84
  85         ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb, &sfp_prsnt);
  86         if (!ret)
  87                 *link_status = *link_status && sfp_prsnt;
  88
  89         mac_cb->link = *link_status;
  90 }
  91
  92 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
  93                           u8 *auto_neg, u16 *speed, u8 *duplex)
  94 {
  95         struct mac_driver *mac_ctrl_drv;
  96         struct mac_info    info;
  97
  98         mac_ctrl_drv = hns_mac_get_drv(mac_cb);
  99
 100         if (!mac_ctrl_drv->get_info)
 101                 return -ENODEV;
 102
 103         mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
 104         if (auto_neg)
 105                 *auto_neg = info.auto_neg;
 106         if (speed)
 107                 *speed = info.speed;
 108         if (duplex)
 109                 *duplex = info.duplex;
 110
 111         return 0;
 112 }
 113
 114 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
 115 {
 116         int ret;
 117         struct mac_driver *mac_ctrl_drv;
 118
 119         mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
 120
 121         mac_cb->speed = speed;
 122         mac_cb->half_duplex = !duplex;
 123
 124         if (mac_ctrl_drv->adjust_link) {
 125                 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
 126                         (enum mac_speed)speed, duplex);
 127                 if (ret) {
 128                         dev_err(mac_cb->dev,
 129                                 "adjust_link failed, %s mac%d ret = %#x!\n",
 130                                 mac_cb->dsaf_dev->ae_dev.name,
 131                                 mac_cb->mac_id, ret);
 132                         return;
 133                 }
 134         }
 135 }
 136
 137 /**
 138  *hns_mac_get_inner_port_num - get mac table inner port number
 139  *@mac_cb: mac device
 140  *@vmid: vm id
 141  *@port_num:port number
 142  *
 143  */
 144 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
 145 {
 146         int q_num_per_vf, vf_num_per_port;
 147         int vm_queue_id;
 148         u8 tmp_port;
 149
 150         if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
 151                 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
 152                         dev_err(mac_cb->dev,
 153                                 "input invalid, %s mac%d vmid%d !\n",
 154                                 mac_cb->dsaf_dev->ae_dev.name,
 155                                 mac_cb->mac_id, vmid);
 156                         return -EINVAL;
 157                 }
 158         } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
 159                 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
 160                         dev_err(mac_cb->dev,
 161                                 "input invalid, %s mac%d vmid%d!\n",
 162                                 mac_cb->dsaf_dev->ae_dev.name,
 163                                 mac_cb->mac_id, vmid);
 164                         return -EINVAL;
 165                 }
 166         } else {
 167                 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
 168                         mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
 169                 return -EINVAL;
 170         }
 171
 172         if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
 173                 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
 174                         mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
 175                 return -EINVAL;
 176         }
 177
 178         q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
 179         vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
 180
 181         vm_queue_id = vmid * q_num_per_vf +
 182                         vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
 183
 184         switch (mac_cb->dsaf_dev->dsaf_mode) {
 185         case DSAF_MODE_ENABLE_FIX:
 186                 tmp_port = 0;
 187                 break;
 188         case DSAF_MODE_DISABLE_FIX:
 189                 tmp_port = 0;
 190                 break;
 191         case DSAF_MODE_ENABLE_0VM:
 192         case DSAF_MODE_ENABLE_8VM:
 193         case DSAF_MODE_ENABLE_16VM:
 194         case DSAF_MODE_ENABLE_32VM:
 195         case DSAF_MODE_ENABLE_128VM:
 196         case DSAF_MODE_DISABLE_2PORT_8VM:
 197         case DSAF_MODE_DISABLE_2PORT_16VM:
 198         case DSAF_MODE_DISABLE_2PORT_64VM:
 199         case DSAF_MODE_DISABLE_6PORT_0VM:
 200         case DSAF_MODE_DISABLE_6PORT_2VM:
 201         case DSAF_MODE_DISABLE_6PORT_4VM:
 202         case DSAF_MODE_DISABLE_6PORT_16VM:
 203                 tmp_port = vm_queue_id;
 204                 break;
 205         default:
 206                 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
 207                         mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
 208                 return -EINVAL;
 209         }
 210         tmp_port += DSAF_BASE_INNER_PORT_NUM;
 211
 212         *port_num = tmp_port;
 213
 214         return 0;
 215 }
 216
 217 /**
 218  *hns_mac_change_vf_addr - change vf mac address
 219  *@mac_cb: mac device
 220  *@vmid: vmid
 221  *@addr:mac address
 222  */
 223 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
 224                            u32 vmid, char *addr)
 225 {
 226         int ret;
 227         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 228         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
 229         struct dsaf_drv_mac_single_dest_entry mac_entry;
 230         struct mac_entry_idx *old_entry;
 231
 232         old_entry = &mac_cb->addr_entry_idx[vmid];
 233         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
 234                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
 235                 mac_entry.in_vlan_id = old_entry->vlan_id;
 236                 mac_entry.in_port_num = mac_cb->mac_id;
 237                 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
 238                                                  &mac_entry.port_num);
 239                 if (ret)
 240                         return ret;
 241
 242                 if ((old_entry->valid != 0) &&
 243                     (memcmp(old_entry->addr,
 244                     addr, sizeof(mac_entry.addr)) != 0)) {
 245                         ret = hns_dsaf_del_mac_entry(dsaf_dev,
 246                                                      old_entry->vlan_id,
 247                                                      mac_cb->mac_id,
 248                                                      old_entry->addr);
 249                         if (ret)
 250                                 return ret;
 251                 }
 252
 253                 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
 254                 if (ret)
 255                         return ret;
 256         }
 257
 258         if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
 259                 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
 260
 261         memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
 262         old_entry->valid = 1;
 263         return 0;
 264 }
 265
 266 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
 267                       u32 port_num, char *addr, bool enable)
 268 {
 269         int ret;
 270         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
 271         struct dsaf_drv_mac_single_dest_entry mac_entry;
 272
 273         if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
 274                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
 275                 mac_entry.in_vlan_id = 0;/*vlan_id;*/
 276                 mac_entry.in_port_num = mac_cb->mac_id;
 277                 mac_entry.port_num = port_num;
 278
 279                 if (!enable)
 280                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
 281                 else
 282                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
 283                 if (ret) {
 284                         dev_err(dsaf_dev->dev,
 285                                 "set mac mc port failed, %s mac%d ret = %#x!\n",
 286                                 mac_cb->dsaf_dev->ae_dev.name,
 287                                 mac_cb->mac_id, ret);
 288                         return ret;
 289                 }
 290         }
 291
 292         return 0;
 293 }
 294
 295 /**
 296  *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
 297  *                  address twice
 298  *@net_dev: net device
 299  *@vfn :   vf lan
 300  *@mac : mac address
 301  *return status
 302  */
 303 int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
 304 {
 305         struct mac_entry_idx *old_mac;
 306         struct dsaf_device *dsaf_dev;
 307         u32 ret;
 308
 309         dsaf_dev = mac_cb->dsaf_dev;
 310
 311         if (vfn < DSAF_MAX_VM_NUM) {
 312                 old_mac = &mac_cb->addr_entry_idx[vfn];
 313         } else {
 314                 dev_err(mac_cb->dev,
 315                         "vf queue is too large, %s mac%d queue = %#x!\n",
 316                         mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
 317                 return -EINVAL;
 318         }
 319
 320         if (dsaf_dev) {
 321                 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
 322                                              mac_cb->mac_id, old_mac->addr);
 323                 if (ret)
 324                         return ret;
 325
 326                 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
 327                         old_mac->valid = 0;
 328         }
 329
 330         return 0;
 331 }
 332
 333 static void hns_mac_param_get(struct mac_params *param,
 334                               struct hns_mac_cb *mac_cb)
 335 {
 336         param->vaddr = (void *)mac_cb->vaddr;
 337         param->mac_mode = hns_get_enet_interface(mac_cb);
 338         memcpy(param->addr, mac_cb->addr_entry_idx[0].addr,
 339                MAC_NUM_OCTETS_PER_ADDR);
 340         param->mac_id = mac_cb->mac_id;
 341         param->dev = mac_cb->dev;
 342 }
 343
 344 /**
 345  *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
 346  *@mac_cb: mac device
 347  *@queue: queue number
 348  *@en:enable
 349  *retuen 0 - success , negative --fail
 350  */
 351 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
 352                                      u32 port_num, u16 vlan_id, bool enable)
 353 {
 354         int ret;
 355         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
 356         u8 addr[MAC_NUM_OCTETS_PER_ADDR]
 357                 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 358         struct dsaf_drv_mac_single_dest_entry mac_entry;
 359
 360         /* directy return ok in debug network mode */
 361         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
 362                 return 0;
 363
 364         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
 365                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
 366                 mac_entry.in_vlan_id = vlan_id;
 367                 mac_entry.in_port_num = mac_cb->mac_id;
 368                 mac_entry.port_num = port_num;
 369
 370                 if (!enable)
 371                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
 372                 else
 373                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
 374                 return ret;
 375         }
 376
 377         return 0;
 378 }
 379
 380 /**
 381  *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
 382  *@mac_cb: mac device
 383  *@vmid: vm id
 384  *@en:enable
 385  *retuen 0 - success , negative --fail
 386  */
 387 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
 388 {
 389         int ret;
 390         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
 391         u8 port_num;
 392         u8 addr[MAC_NUM_OCTETS_PER_ADDR]
 393                 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 394         struct mac_entry_idx *uc_mac_entry;
 395         struct dsaf_drv_mac_single_dest_entry mac_entry;
 396
 397         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
 398                 return 0;
 399
 400         uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
 401
 402         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))  {
 403                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
 404                 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
 405                 mac_entry.in_port_num = mac_cb->mac_id;
 406                 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
 407                 if (ret)
 408                         return ret;
 409                 mac_entry.port_num = port_num;
 410
 411                 if (!enable)
 412                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
 413                 else
 414                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
 415                 return ret;
 416         }
 417
 418         return 0;
 419 }
 420
 421 void hns_mac_reset(struct hns_mac_cb *mac_cb)
 422 {
 423         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
 424         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
 425
 426         drv->mac_init(drv);
 427
 428         if (drv->config_max_frame_length)
 429                 drv->config_max_frame_length(drv, mac_cb->max_frm);
 430
 431         if (drv->set_tx_auto_pause_frames)
 432                 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
 433
 434         if (drv->set_an_mode)
 435                 drv->set_an_mode(drv, 1);
 436
 437         if (drv->mac_pausefrm_cfg) {
 438                 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
 439                         drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
 440                 else /* mac rx must disable, dsaf pfc close instead of it*/
 441                         drv->mac_pausefrm_cfg(drv, 0, 1);
 442         }
 443 }
 444
 445 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu)
 446 {
 447         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
 448         u32 buf_size = mac_cb->dsaf_dev->buf_size;
 449         u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
 450         u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
 451                         MAC_MAX_MTU : MAC_MAX_MTU_V2;
 452
 453         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
 454                 max_frm = MAC_MAX_MTU_DBG;
 455
 456         if ((new_mtu < MAC_MIN_MTU) || (new_frm > max_frm) ||
 457             (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size))
 458                 return -EINVAL;
 459
 460         if (!drv->config_max_frame_length)
 461                 return -ECHILD;
 462
 463         /* adjust max frame to be at least the size of a standard frame */
 464         if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
 465                 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
 466
 467         drv->config_max_frame_length(drv, new_frm);
 468
 469         mac_cb->max_frm = new_frm;
 470
 471         return 0;
 472 }
 473
 474 void hns_mac_start(struct hns_mac_cb *mac_cb)
 475 {
 476         struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
 477
 478         /* for virt */
 479         if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
 480                 /*plus 1 when the virtual mac has been enabled */
 481                 mac_drv->virt_dev_num += 1;
 482                 return;
 483         }
 484
 485         if (mac_drv->mac_enable) {
 486                 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
 487                 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
 488         }
 489 }
 490
 491 void hns_mac_stop(struct hns_mac_cb *mac_cb)
 492 {
 493         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 494
 495         /*modified for virtualization */
 496         if (mac_ctrl_drv->virt_dev_num > 0) {
 497                 mac_ctrl_drv->virt_dev_num -= 1;
 498                 if (mac_ctrl_drv->virt_dev_num > 0)
 499                         return;
 500         }
 501
 502         if (mac_ctrl_drv->mac_disable)
 503                 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
 504                         MAC_COMM_MODE_RX_AND_TX);
 505
 506         mac_ctrl_drv->mac_en_flg = 0;
 507         mac_cb->link = 0;
 508         mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
 509 }
 510
 511 /**
 512  * hns_mac_get_autoneg - get auto autonegotiation
 513  * @mac_cb: mac control block
 514  * @enable: enable or not
 515  * retuen 0 - success , negative --fail
 516  */
 517 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
 518 {
 519         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 520
 521         if (mac_ctrl_drv->autoneg_stat)
 522                 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
 523         else
 524                 *auto_neg = 0;
 525 }
 526
 527 /**
 528  * hns_mac_get_pauseparam - set rx & tx pause parameter
 529  * @mac_cb: mac control block
 530  * @rx_en: rx enable status
 531  * @tx_en: tx enable status
 532  * retuen 0 - success , negative --fail
 533  */
 534 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
 535 {
 536         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 537
 538         if (mac_ctrl_drv->get_pause_enable) {
 539                 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
 540         } else {
 541                 *rx_en = 0;
 542                 *tx_en = 0;
 543         }
 544 }
 545
 546 /**
 547  * hns_mac_set_autoneg - set auto autonegotiation
 548  * @mac_cb: mac control block
 549  * @enable: enable or not
 550  * retuen 0 - success , negative --fail
 551  */
 552 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
 553 {
 554         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 555
 556         if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
 557                 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
 558                 return -ENOTSUPP;
 559         }
 560
 561         if (mac_ctrl_drv->set_an_mode)
 562                 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
 563
 564         return 0;
 565 }
 566
 567 /**
 568  * hns_mac_set_autoneg - set rx & tx pause parameter
 569  * @mac_cb: mac control block
 570  * @rx_en: rx enable or not
 571  * @tx_en: tx enable or not
 572  * return 0 - success , negative --fail
 573  */
 574 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
 575 {
 576         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
 577         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
 578
 579         if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
 580                 if (is_ver1 && (tx_en || rx_en)) {
 581                         dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
 582                         return -EINVAL;
 583                 }
 584         }
 585
 586         if (mac_ctrl_drv->mac_pausefrm_cfg)
 587                 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
 588
 589         return 0;
 590 }
 591
 592 /**
 593  * hns_mac_init_ex - mac init
 594  * @mac_cb: mac control block
 595  * retuen 0 - success , negative --fail
 596  */
 597 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
 598 {
 599         int ret;
 600         struct mac_params param;
 601         struct mac_driver *drv;
 602
 603         hns_dsaf_fix_mac_mode(mac_cb);
 604
 605         memset(&param, 0, sizeof(struct mac_params));
 606         hns_mac_param_get(&param, mac_cb);
 607
 608         if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
 609                 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
 610         else
 611                 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
 612
 613         if (!drv)
 614                 return -ENOMEM;
 615
 616         mac_cb->priv.mac = (void *)drv;
 617         hns_mac_reset(mac_cb);
 618
 619         hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
 620
 621         ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
 622         if (ret)
 623                 goto free_mac_drv;
 624
 625         return 0;
 626
 627 free_mac_drv:
 628         drv->mac_free(mac_cb->priv.mac);
 629         mac_cb->priv.mac = NULL;
 630
 631         return ret;
 632 }
 633
 634 static int
 635 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
 636 {
 637         u32 addr;
 638         int ret;
 639
 640         ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
 641         if (ret) {
 642                 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
 643                 return ret;
 644         }
 645
 646         if (addr >= PHY_MAX_ADDR) {
 647                 dev_err(dev, "PHY address %i is too large\n", addr);
 648                 return -EINVAL;
 649         }
 650
 651         return addr;
 652 }
 653
 654 static int
 655 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
 656                         u32 addr)
 657 {
 658         struct phy_device *phy;
 659         const char *phy_type;
 660         bool is_c45;
 661         int rc;
 662
 663         rc = fwnode_property_read_string(mac_cb->fw_port,
 664                                          "phy-mode", &phy_type);
 665         if (rc < 0)
 666                 return rc;
 667
 668         if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
 669                 is_c45 = 1;
 670         else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
 671                 is_c45 = 0;
 672         else
 673                 return -ENODATA;
 674
 675         phy = get_phy_device(mdio, addr, is_c45);
 676         if (!phy || IS_ERR(phy))
 677                 return -EIO;
 678
 679         phy->irq = mdio->irq[addr];
 680
 681         /* All data is now stored in the phy struct;
 682          * register it
 683          */
 684         rc = phy_device_register(phy);
 685         if (rc) {
 686                 phy_device_free(phy);
 687                 return -ENODEV;
 688         }
 689
 690         mac_cb->phy_dev = phy;
 691
 692         dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
 693
 694         return 0;
 695 }
 696
 697 static void hns_mac_register_phy(struct hns_mac_cb *mac_cb)
 698 {
 699         struct acpi_reference_args args;
 700         struct platform_device *pdev;
 701         struct mii_bus *mii_bus;
 702         int rc;
 703         int addr;
 704
 705         /* Loop over the child nodes and register a phy_device for each one */
 706         if (!to_acpi_device_node(mac_cb->fw_port))
 707                 return;
 708
 709         rc = acpi_node_get_property_reference(
 710                         mac_cb->fw_port, "mdio-node", 0, &args);
 711         if (rc)
 712                 return;
 713
 714         addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
 715         if (addr < 0)
 716                 return;
 717
 718         /* dev address in adev */
 719         pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
 720         mii_bus = platform_get_drvdata(pdev);
 721         rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
 722         if (!rc)
 723                 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
 724                         mac_cb->mac_id, addr);
 725 }
 726
 727 static void hns_mac_remove_phydev(struct hns_mac_cb *mac_cb)
 728 {
 729         if (!to_acpi_device_node(mac_cb->fw_port) || !mac_cb->phy_dev)
 730                 return;
 731
 732         phy_device_remove(mac_cb->phy_dev);
 733         phy_device_free(mac_cb->phy_dev);
 734
 735         mac_cb->phy_dev = NULL;
 736 }
 737
 738 #define MAC_MEDIA_TYPE_MAX_LEN          16
 739
 740 static const struct {
 741         enum hnae_media_type value;
 742         const char *name;
 743 } media_type_defs[] = {
 744         {HNAE_MEDIA_TYPE_UNKNOWN,       "unknown" },
 745         {HNAE_MEDIA_TYPE_FIBER,         "fiber" },
 746         {HNAE_MEDIA_TYPE_COPPER,        "copper" },
 747         {HNAE_MEDIA_TYPE_BACKPLANE,     "backplane" },
 748 };
 749
 750 /**
 751  *hns_mac_get_info  - get mac information from device node
 752  *@mac_cb: mac device
 753  *@np:device node
 754  * return: 0 --success, negative --fail
 755  */
 756 static int  hns_mac_get_info(struct hns_mac_cb *mac_cb)
 757 {
 758         struct device_node *np;
 759         struct regmap *syscon;
 760         struct of_phandle_args cpld_args;
 761         const char *media_type;
 762         u32 i;
 763         u32 ret;
 764
 765         mac_cb->link = false;
 766         mac_cb->half_duplex = false;
 767         mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
 768         mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
 769         mac_cb->max_speed = mac_cb->speed;
 770
 771         if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
 772                 mac_cb->if_support = MAC_GMAC_SUPPORTED;
 773                 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
 774         } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
 775                 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
 776                 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
 777         }
 778
 779         mac_cb->max_frm = MAC_DEFAULT_MTU;
 780         mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
 781         mac_cb->port_rst_off = mac_cb->mac_id;
 782         mac_cb->port_mode_off = 0;
 783
 784         /* if the dsaf node doesn't contain a port subnode, get phy-handle
 785          * from dsaf node
 786          */
 787         if (!mac_cb->fw_port) {
 788                 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
 789                                       mac_cb->mac_id);
 790                 mac_cb->phy_dev = of_phy_find_device(np);
 791                 if (mac_cb->phy_dev) {
 792                         /* refcount is held by of_phy_find_device()
 793                          * if the phy_dev is found
 794                          */
 795                         put_device(&mac_cb->phy_dev->mdio.dev);
 796
 797                         dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
 798                                 mac_cb->mac_id, np->name);
 799                 }
 800                 of_node_put(np);
 801
 802                 return 0;
 803         }
 804
 805         if (is_of_node(mac_cb->fw_port)) {
 806                 /* parse property from port subnode in dsaf */
 807                 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
 808                                       "phy-handle", 0);
 809                 mac_cb->phy_dev = of_phy_find_device(np);
 810                 if (mac_cb->phy_dev) {
 811                         /* refcount is held by of_phy_find_device()
 812                          * if the phy_dev is found
 813                          */
 814                         put_device(&mac_cb->phy_dev->mdio.dev);
 815                         dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
 816                                 mac_cb->mac_id, np->name);
 817                 }
 818                 of_node_put(np);
 819
 820                 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
 821                                         "serdes-syscon", 0);
 822                 syscon = syscon_node_to_regmap(np);
 823                 of_node_put(np);
 824                 if (IS_ERR_OR_NULL(syscon)) {
 825                         dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
 826                         return -EINVAL;
 827                 }
 828                 mac_cb->serdes_ctrl = syscon;
 829
 830                 ret = fwnode_property_read_u32(mac_cb->fw_port,
 831                                                "port-rst-offset",
 832                                                &mac_cb->port_rst_off);
 833                 if (ret) {
 834                         dev_dbg(mac_cb->dev,
 835                                 "mac%d port-rst-offset not found, use default value.\n",
 836                                 mac_cb->mac_id);
 837                 }
 838
 839                 ret = fwnode_property_read_u32(mac_cb->fw_port,
 840                                                "port-mode-offset",
 841                                                &mac_cb->port_mode_off);
 842                 if (ret) {
 843                         dev_dbg(mac_cb->dev,
 844                                 "mac%d port-mode-offset not found, use default value.\n",
 845                                 mac_cb->mac_id);
 846                 }
 847
 848                 ret = of_parse_phandle_with_fixed_args(
 849                         to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
 850                         &cpld_args);
 851                 if (ret) {
 852                         dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
 853                                 mac_cb->mac_id);
 854                         mac_cb->cpld_ctrl = NULL;
 855                 } else {
 856                         syscon = syscon_node_to_regmap(cpld_args.np);
 857                         if (IS_ERR_OR_NULL(syscon)) {
 858                                 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
 859                                 mac_cb->cpld_ctrl = NULL;
 860                         } else {
 861                                 mac_cb->cpld_ctrl = syscon;
 862                                 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
 863                         }
 864                 }
 865         } else if (is_acpi_node(mac_cb->fw_port)) {
 866                 hns_mac_register_phy(mac_cb);
 867         } else {
 868                 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
 869                         mac_cb->mac_id);
 870         }
 871
 872         if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
 873                                          &media_type)) {
 874                 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
 875                         if (!strncmp(media_type_defs[i].name, media_type,
 876                                      MAC_MEDIA_TYPE_MAX_LEN)) {
 877                                 mac_cb->media_type = media_type_defs[i].value;
 878                                 break;
 879                         }
 880                 }
 881         }
 882
 883         return 0;
 884 }
 885
 886 /**
 887  * hns_mac_get_mode - get mac mode
 888  * @phy_if: phy interface
 889  * retuen 0 - gmac, 1 - xgmac , negative --fail
 890  */
 891 static int hns_mac_get_mode(phy_interface_t phy_if)
 892 {
 893         switch (phy_if) {
 894         case PHY_INTERFACE_MODE_SGMII:
 895                 return MAC_GMAC_IDX;
 896         case PHY_INTERFACE_MODE_XGMII:
 897                 return MAC_XGMAC_IDX;
 898         default:
 899                 return -EINVAL;
 900         }
 901 }
 902
 903 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
 904                               struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
 905 {
 906         u8 __iomem *base = dsaf_dev->io_base;
 907         int mac_id = mac_cb->mac_id;
 908
 909         if (mac_cb->mac_type == HNAE_PORT_SERVICE)
 910                 return base + 0x40000 + mac_id * 0x4000 -
 911                                 mac_mode_idx * 0x20000;
 912         else
 913                 return dsaf_dev->ppe_base + 0x1000;
 914 }
 915
 916 /**
 917  * hns_mac_get_cfg - get mac cfg from dtb or acpi table
 918  * @dsaf_dev: dsa fabric device struct pointer
 919  * @mac_cb: mac control block
 920  * return 0 - success , negative --fail
 921  */
 922 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
 923 {
 924         int ret;
 925         u32 mac_mode_idx;
 926
 927         mac_cb->dsaf_dev = dsaf_dev;
 928         mac_cb->dev = dsaf_dev->dev;
 929
 930         mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
 931         mac_cb->serdes_vaddr = dsaf_dev->sds_base;
 932
 933         mac_cb->sfp_prsnt = 0;
 934         mac_cb->txpkt_for_led = 0;
 935         mac_cb->rxpkt_for_led = 0;
 936
 937         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
 938                 mac_cb->mac_type = HNAE_PORT_SERVICE;
 939         else
 940                 mac_cb->mac_type = HNAE_PORT_DEBUG;
 941
 942         mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
 943
 944         ret = hns_mac_get_mode(mac_cb->phy_if);
 945         if (ret < 0) {
 946                 dev_err(dsaf_dev->dev,
 947                         "hns_mac_get_mode failed, mac%d ret = %#x!\n",
 948                         mac_cb->mac_id, ret);
 949                 return ret;
 950         }
 951         mac_mode_idx = (u32)ret;
 952
 953         ret  = hns_mac_get_info(mac_cb);
 954         if (ret)
 955                 return ret;
 956
 957         mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
 958         mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
 959
 960         return 0;
 961 }
 962
 963 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
 964 {
 965         if (HNS_DSAF_IS_DEBUG(dsaf_dev))
 966                 return 1;
 967         else
 968                 return  DSAF_MAX_PORT_NUM;
 969 }
 970
 971 /**
 972  * hns_mac_init - init mac
 973  * @dsaf_dev: dsa fabric device struct pointer
 974  * return 0 - success , negative --fail
 975  */
 976 int hns_mac_init(struct dsaf_device *dsaf_dev)
 977 {
 978         bool found = false;
 979         int ret;
 980         u32 port_id;
 981         int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
 982         struct hns_mac_cb *mac_cb;
 983         struct fwnode_handle *child;
 984
 985         device_for_each_child_node(dsaf_dev->dev, child) {
 986                 ret = fwnode_property_read_u32(child, "reg", &port_id);
 987                 if (ret) {
 988                         dev_err(dsaf_dev->dev,
 989                                 "get reg fail, ret=%d!\n", ret);
 990                         return ret;
 991                 }
 992                 if (port_id >= max_port_num) {
 993                         dev_err(dsaf_dev->dev,
 994                                 "reg(%u) out of range!\n", port_id);
 995                         return -EINVAL;
 996                 }
 997                 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
 998                                       GFP_KERNEL);
 999                 if (!mac_cb)
1000                         return -ENOMEM;
1001                 mac_cb->fw_port = child;
1002                 mac_cb->mac_id = (u8)port_id;
1003                 dsaf_dev->mac_cb[port_id] = mac_cb;
1004                 found = true;
1005         }
1006
1007         /* if don't get any port subnode from dsaf node
1008          * will init all port then, this is compatible with the old dts
1009          */
1010         if (!found) {
1011                 for (port_id = 0; port_id < max_port_num; port_id++) {
1012                         mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1013                                               GFP_KERNEL);
1014                         if (!mac_cb)
1015                                 return -ENOMEM;
1016
1017                         mac_cb->mac_id = port_id;
1018                         dsaf_dev->mac_cb[port_id] = mac_cb;
1019                 }
1020         }
1021         /* init mac_cb for all port */
1022         for (port_id = 0; port_id < max_port_num; port_id++) {
1023                 mac_cb = dsaf_dev->mac_cb[port_id];
1024                 if (!mac_cb)
1025                         continue;
1026
1027                 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1028                 if (ret)
1029                         return ret;
1030                 ret = hns_mac_init_ex(mac_cb);
1031                 if (ret)
1032                         return ret;
1033         }
1034
1035         return 0;
1036 }
1037
1038 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1039 {
1040         int i;
1041         int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1042
1043         for (i = 0; i < max_port_num; i++) {
1044                 if (!dsaf_dev->mac_cb[i])
1045                         continue;
1046
1047                 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1048                 hns_mac_remove_phydev(dsaf_dev->mac_cb[i]);
1049                 dsaf_dev->mac_cb[i] = NULL;
1050         }
1051 }
1052
1053 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1054                                 enum hnae_loop loop, int en)
1055 {
1056         int ret;
1057         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1058
1059         if (drv->config_loopback)
1060                 ret = drv->config_loopback(drv, loop, en);
1061         else
1062                 ret = -ENOTSUPP;
1063
1064         return ret;
1065 }
1066
1067 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1068 {
1069         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1070
1071         mac_ctrl_drv->update_stats(mac_ctrl_drv);
1072 }
1073
1074 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1075 {
1076         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1077
1078         mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1079 }
1080
1081 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1082                          int stringset, u8 *data)
1083 {
1084         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1085
1086         mac_ctrl_drv->get_strings(stringset, data);
1087 }
1088
1089 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1090 {
1091         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1092
1093         return mac_ctrl_drv->get_sset_count(stringset);
1094 }
1095
1096 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1097 {
1098         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1099
1100         if (mac_ctrl_drv->set_promiscuous)
1101                 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1102 }
1103
1104 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1105 {
1106         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1107
1108         return mac_ctrl_drv->get_regs_count();
1109 }
1110
1111 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1112 {
1113         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1114
1115         mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1116 }
1117
1118 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1119 {
1120         int nic_data = 0;
1121         int txpkts, rxpkts;
1122
1123         txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1124         rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1125         if (txpkts || rxpkts)
1126                 nic_data = 1;
1127         else
1128                 nic_data = 0;
1129         mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1130         mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1131         mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1132                          mac_cb->speed, nic_data);
1133 }
1134
1135 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1136                         enum hnae_led_state status)
1137 {
1138         if (!mac_cb || !mac_cb->cpld_ctrl)
1139                 return 0;
1140
1141         return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1142 }