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