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