| 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/module.h> |
| 11 | #include <linux/kernel.h> |
| 12 | #include <linux/init.h> |
| 13 | #include <linux/netdevice.h> |
| 14 | #include <linux/phy_fixed.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/of.h> |
| 18 | #include <linux/of_address.h> |
| 19 | |
| 20 | #include "hns_dsaf_misc.h" |
| 21 | #include "hns_dsaf_main.h" |
| 22 | #include "hns_dsaf_rcb.h" |
| 23 | |
| 24 | #define MAC_EN_FLAG_V 0xada0328 |
| 25 | |
| 26 | static const u16 mac_phy_to_speed[] = { |
| 27 | [PHY_INTERFACE_MODE_MII] = MAC_SPEED_100, |
| 28 | [PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000, |
| 29 | [PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000, |
| 30 | [PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000, |
| 31 | [PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100, |
| 32 | [PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000, |
| 33 | [PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000, |
| 34 | [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000, |
| 35 | [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000, |
| 36 | [PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000, |
| 37 | [PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000 |
| 38 | }; |
| 39 | |
| 40 | static const enum mac_mode g_mac_mode_100[] = { |
| 41 | [PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100, |
| 42 | [PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100 |
| 43 | }; |
| 44 | |
| 45 | static const enum mac_mode g_mac_mode_1000[] = { |
| 46 | [PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000, |
| 47 | [PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000, |
| 48 | [PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000, |
| 49 | [PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000, |
| 50 | [PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000, |
| 51 | [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000, |
| 52 | [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000, |
| 53 | [PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000 |
| 54 | }; |
| 55 | |
| 56 | static enum mac_mode hns_mac_dev_to_enet_if(const struct hns_mac_cb *mac_cb) |
| 57 | { |
| 58 | switch (mac_cb->max_speed) { |
| 59 | case MAC_SPEED_100: |
| 60 | return g_mac_mode_100[mac_cb->phy_if]; |
| 61 | case MAC_SPEED_1000: |
| 62 | return g_mac_mode_1000[mac_cb->phy_if]; |
| 63 | case MAC_SPEED_10000: |
| 64 | return MAC_MODE_XGMII_10000; |
| 65 | default: |
| 66 | return MAC_MODE_MII_100; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb) |
| 71 | { |
| 72 | switch (mac_cb->max_speed) { |
| 73 | case MAC_SPEED_100: |
| 74 | return g_mac_mode_100[mac_cb->phy_if]; |
| 75 | case MAC_SPEED_1000: |
| 76 | return g_mac_mode_1000[mac_cb->phy_if]; |
| 77 | case MAC_SPEED_10000: |
| 78 | return MAC_MODE_XGMII_10000; |
| 79 | default: |
| 80 | return MAC_MODE_MII_100; |
| 81 | } |
| 82 | } |
| 83 | |
| 84 | int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt) |
| 85 | { |
| 86 | if (!mac_cb->cpld_vaddr) |
| 87 | return -ENODEV; |
| 88 | |
| 89 | *sfp_prsnt = !dsaf_read_b((u8 *)mac_cb->cpld_vaddr |
| 90 | + MAC_SFP_PORT_OFFSET); |
| 91 | |
| 92 | return 0; |
| 93 | } |
| 94 | |
| 95 | void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) |
| 96 | { |
| 97 | struct mac_driver *mac_ctrl_drv; |
| 98 | int ret, sfp_prsnt; |
| 99 | |
| 100 | mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 101 | |
| 102 | if (mac_ctrl_drv->get_link_status) |
| 103 | mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status); |
| 104 | else |
| 105 | *link_status = 0; |
| 106 | |
| 107 | ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt); |
| 108 | if (!ret) |
| 109 | *link_status = *link_status && sfp_prsnt; |
| 110 | |
| 111 | mac_cb->link = *link_status; |
| 112 | } |
| 113 | |
| 114 | int hns_mac_get_port_info(struct hns_mac_cb *mac_cb, |
| 115 | u8 *auto_neg, u16 *speed, u8 *duplex) |
| 116 | { |
| 117 | struct mac_driver *mac_ctrl_drv; |
| 118 | struct mac_info info; |
| 119 | |
| 120 | mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 121 | |
| 122 | if (!mac_ctrl_drv->get_info) |
| 123 | return -ENODEV; |
| 124 | |
| 125 | mac_ctrl_drv->get_info(mac_ctrl_drv, &info); |
| 126 | if (auto_neg) |
| 127 | *auto_neg = info.auto_neg; |
| 128 | if (speed) |
| 129 | *speed = info.speed; |
| 130 | if (duplex) |
| 131 | *duplex = info.duplex; |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
| 136 | void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex) |
| 137 | { |
| 138 | int ret; |
| 139 | struct mac_driver *mac_ctrl_drv; |
| 140 | |
| 141 | mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac); |
| 142 | |
| 143 | mac_cb->speed = speed; |
| 144 | mac_cb->half_duplex = !duplex; |
| 145 | mac_ctrl_drv->mac_mode = hns_mac_dev_to_enet_if(mac_cb); |
| 146 | |
| 147 | if (mac_ctrl_drv->adjust_link) { |
| 148 | ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv, |
| 149 | (enum mac_speed)speed, duplex); |
| 150 | if (ret) { |
| 151 | dev_err(mac_cb->dev, |
| 152 | "adjust_link failed,%s mac%d ret = %#x!\n", |
| 153 | mac_cb->dsaf_dev->ae_dev.name, |
| 154 | mac_cb->mac_id, ret); |
| 155 | return; |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | /** |
| 161 | *hns_mac_get_inner_port_num - get mac table inner port number |
| 162 | *@mac_cb: mac device |
| 163 | *@vmid: vm id |
| 164 | *@port_num:port number |
| 165 | * |
| 166 | */ |
| 167 | static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, |
| 168 | u8 vmid, u8 *port_num) |
| 169 | { |
| 170 | u8 tmp_port; |
| 171 | u32 comm_idx; |
| 172 | |
| 173 | if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) { |
| 174 | if (mac_cb->mac_id != DSAF_MAX_PORT_NUM_PER_CHIP) { |
| 175 | dev_err(mac_cb->dev, |
| 176 | "input invalid,%s mac%d vmid%d !\n", |
| 177 | mac_cb->dsaf_dev->ae_dev.name, |
| 178 | mac_cb->mac_id, vmid); |
| 179 | return -EINVAL; |
| 180 | } |
| 181 | } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) { |
| 182 | if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM_PER_CHIP) { |
| 183 | dev_err(mac_cb->dev, |
| 184 | "input invalid,%s mac%d vmid%d!\n", |
| 185 | mac_cb->dsaf_dev->ae_dev.name, |
| 186 | mac_cb->mac_id, vmid); |
| 187 | return -EINVAL; |
| 188 | } |
| 189 | } else { |
| 190 | dev_err(mac_cb->dev, "dsaf mode invalid,%s mac%d!\n", |
| 191 | mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id); |
| 192 | return -EINVAL; |
| 193 | } |
| 194 | |
| 195 | comm_idx = hns_dsaf_get_comm_idx_by_port(mac_cb->mac_id); |
| 196 | |
| 197 | if (vmid >= mac_cb->dsaf_dev->rcb_common[comm_idx]->max_vfn) { |
| 198 | dev_err(mac_cb->dev, "input invalid,%s mac%d vmid%d !\n", |
| 199 | mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid); |
| 200 | return -EINVAL; |
| 201 | } |
| 202 | |
| 203 | switch (mac_cb->dsaf_dev->dsaf_mode) { |
| 204 | case DSAF_MODE_ENABLE_FIX: |
| 205 | tmp_port = 0; |
| 206 | break; |
| 207 | case DSAF_MODE_DISABLE_FIX: |
| 208 | tmp_port = 0; |
| 209 | break; |
| 210 | case DSAF_MODE_ENABLE_0VM: |
| 211 | case DSAF_MODE_ENABLE_8VM: |
| 212 | case DSAF_MODE_ENABLE_16VM: |
| 213 | case DSAF_MODE_ENABLE_32VM: |
| 214 | case DSAF_MODE_ENABLE_128VM: |
| 215 | case DSAF_MODE_DISABLE_2PORT_8VM: |
| 216 | case DSAF_MODE_DISABLE_2PORT_16VM: |
| 217 | case DSAF_MODE_DISABLE_2PORT_64VM: |
| 218 | case DSAF_MODE_DISABLE_6PORT_0VM: |
| 219 | case DSAF_MODE_DISABLE_6PORT_2VM: |
| 220 | case DSAF_MODE_DISABLE_6PORT_4VM: |
| 221 | case DSAF_MODE_DISABLE_6PORT_16VM: |
| 222 | tmp_port = vmid; |
| 223 | break; |
| 224 | default: |
| 225 | dev_err(mac_cb->dev, "dsaf mode invalid,%s mac%d!\n", |
| 226 | mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id); |
| 227 | return -EINVAL; |
| 228 | } |
| 229 | tmp_port += DSAF_BASE_INNER_PORT_NUM; |
| 230 | |
| 231 | *port_num = tmp_port; |
| 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | *hns_mac_get_inner_port_num - change vf mac address |
| 238 | *@mac_cb: mac device |
| 239 | *@vmid: vmid |
| 240 | *@addr:mac address |
| 241 | */ |
| 242 | int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb, |
| 243 | u32 vmid, char *addr) |
| 244 | { |
| 245 | int ret; |
| 246 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 247 | struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; |
| 248 | struct dsaf_drv_mac_single_dest_entry mac_entry; |
| 249 | struct mac_entry_idx *old_entry; |
| 250 | |
| 251 | old_entry = &mac_cb->addr_entry_idx[vmid]; |
| 252 | if (dsaf_dev) { |
| 253 | memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); |
| 254 | mac_entry.in_vlan_id = old_entry->vlan_id; |
| 255 | mac_entry.in_port_num = mac_cb->mac_id; |
| 256 | ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid, |
| 257 | &mac_entry.port_num); |
| 258 | if (ret) |
| 259 | return ret; |
| 260 | |
| 261 | if ((old_entry->valid != 0) && |
| 262 | (memcmp(old_entry->addr, |
| 263 | addr, sizeof(mac_entry.addr)) != 0)) { |
| 264 | ret = hns_dsaf_del_mac_entry(dsaf_dev, |
| 265 | old_entry->vlan_id, |
| 266 | mac_cb->mac_id, |
| 267 | old_entry->addr); |
| 268 | if (ret) |
| 269 | return ret; |
| 270 | } |
| 271 | |
| 272 | ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry); |
| 273 | if (ret) |
| 274 | return ret; |
| 275 | } |
| 276 | |
| 277 | if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0)) |
| 278 | mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr); |
| 279 | |
| 280 | memcpy(old_entry->addr, addr, sizeof(old_entry->addr)); |
| 281 | old_entry->valid = 1; |
| 282 | return 0; |
| 283 | } |
| 284 | |
| 285 | int hns_mac_set_multi(struct hns_mac_cb *mac_cb, |
| 286 | u32 port_num, char *addr, bool enable) |
| 287 | { |
| 288 | int ret; |
| 289 | struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; |
| 290 | struct dsaf_drv_mac_single_dest_entry mac_entry; |
| 291 | |
| 292 | if (dsaf_dev && addr) { |
| 293 | memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); |
| 294 | mac_entry.in_vlan_id = 0;/*vlan_id;*/ |
| 295 | mac_entry.in_port_num = mac_cb->mac_id; |
| 296 | mac_entry.port_num = port_num; |
| 297 | |
| 298 | if (!enable) |
| 299 | ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry); |
| 300 | else |
| 301 | ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry); |
| 302 | if (ret) { |
| 303 | dev_err(dsaf_dev->dev, |
| 304 | "set mac mc port failed,%s mac%d ret = %#x!\n", |
| 305 | mac_cb->dsaf_dev->ae_dev.name, |
| 306 | mac_cb->mac_id, ret); |
| 307 | return ret; |
| 308 | } |
| 309 | } |
| 310 | |
| 311 | return 0; |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same |
| 316 | * address twice |
| 317 | *@net_dev: net device |
| 318 | *@vfn : vf lan |
| 319 | *@mac : mac address |
| 320 | *return status |
| 321 | */ |
| 322 | int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac) |
| 323 | { |
| 324 | struct mac_entry_idx *old_mac; |
| 325 | struct dsaf_device *dsaf_dev; |
| 326 | u32 ret; |
| 327 | |
| 328 | dsaf_dev = mac_cb->dsaf_dev; |
| 329 | |
| 330 | if (vfn < DSAF_MAX_VM_NUM) { |
| 331 | old_mac = &mac_cb->addr_entry_idx[vfn]; |
| 332 | } else { |
| 333 | dev_err(mac_cb->dev, |
| 334 | "vf queue is too large,%s mac%d queue = %#x!\n", |
| 335 | mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn); |
| 336 | return -EINVAL; |
| 337 | } |
| 338 | |
| 339 | if (dsaf_dev) { |
| 340 | ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id, |
| 341 | mac_cb->mac_id, old_mac->addr); |
| 342 | if (ret) |
| 343 | return ret; |
| 344 | |
| 345 | if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0) |
| 346 | old_mac->valid = 0; |
| 347 | } |
| 348 | |
| 349 | return 0; |
| 350 | } |
| 351 | |
| 352 | static void hns_mac_param_get(struct mac_params *param, |
| 353 | struct hns_mac_cb *mac_cb) |
| 354 | { |
| 355 | param->vaddr = (void *)mac_cb->vaddr; |
| 356 | param->mac_mode = hns_get_enet_interface(mac_cb); |
| 357 | memcpy(param->addr, mac_cb->addr_entry_idx[0].addr, |
| 358 | MAC_NUM_OCTETS_PER_ADDR); |
| 359 | param->mac_id = mac_cb->mac_id; |
| 360 | param->dev = mac_cb->dev; |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | *hns_mac_queue_config_bc_en - set broadcast rx&tx enable |
| 365 | *@mac_cb: mac device |
| 366 | *@queue: queue number |
| 367 | *@en:enable |
| 368 | *retuen 0 - success , negative --fail |
| 369 | */ |
| 370 | static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb, |
| 371 | u32 port_num, u16 vlan_id, bool enable) |
| 372 | { |
| 373 | int ret; |
| 374 | struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; |
| 375 | u8 addr[MAC_NUM_OCTETS_PER_ADDR] |
| 376 | = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 377 | struct dsaf_drv_mac_single_dest_entry mac_entry; |
| 378 | |
| 379 | /* directy return ok in debug network mode */ |
| 380 | if (mac_cb->mac_type == HNAE_PORT_DEBUG) |
| 381 | return 0; |
| 382 | |
| 383 | if (dsaf_dev) { |
| 384 | memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); |
| 385 | mac_entry.in_vlan_id = vlan_id; |
| 386 | mac_entry.in_port_num = mac_cb->mac_id; |
| 387 | mac_entry.port_num = port_num; |
| 388 | |
| 389 | if (!enable) |
| 390 | ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry); |
| 391 | else |
| 392 | ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry); |
| 393 | return ret; |
| 394 | } |
| 395 | |
| 396 | return 0; |
| 397 | } |
| 398 | |
| 399 | /** |
| 400 | *hns_mac_vm_config_bc_en - set broadcast rx&tx enable |
| 401 | *@mac_cb: mac device |
| 402 | *@vmid: vm id |
| 403 | *@en:enable |
| 404 | *retuen 0 - success , negative --fail |
| 405 | */ |
| 406 | int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable) |
| 407 | { |
| 408 | int ret; |
| 409 | struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev; |
| 410 | u8 port_num; |
| 411 | u8 addr[MAC_NUM_OCTETS_PER_ADDR] |
| 412 | = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| 413 | struct mac_entry_idx *uc_mac_entry; |
| 414 | struct dsaf_drv_mac_single_dest_entry mac_entry; |
| 415 | |
| 416 | if (mac_cb->mac_type == HNAE_PORT_DEBUG) |
| 417 | return 0; |
| 418 | |
| 419 | uc_mac_entry = &mac_cb->addr_entry_idx[vmid]; |
| 420 | |
| 421 | if (dsaf_dev) { |
| 422 | memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr)); |
| 423 | mac_entry.in_vlan_id = uc_mac_entry->vlan_id; |
| 424 | mac_entry.in_port_num = mac_cb->mac_id; |
| 425 | ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num); |
| 426 | if (ret) |
| 427 | return ret; |
| 428 | mac_entry.port_num = port_num; |
| 429 | |
| 430 | if (!enable) |
| 431 | ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry); |
| 432 | else |
| 433 | ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry); |
| 434 | return ret; |
| 435 | } |
| 436 | |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | void hns_mac_reset(struct hns_mac_cb *mac_cb) |
| 441 | { |
| 442 | struct mac_driver *drv; |
| 443 | |
| 444 | drv = hns_mac_get_drv(mac_cb); |
| 445 | |
| 446 | drv->mac_init(drv); |
| 447 | |
| 448 | if (drv->config_max_frame_length) |
| 449 | drv->config_max_frame_length(drv, mac_cb->max_frm); |
| 450 | |
| 451 | if (drv->set_tx_auto_pause_frames) |
| 452 | drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time); |
| 453 | |
| 454 | if (drv->set_an_mode) |
| 455 | drv->set_an_mode(drv, 1); |
| 456 | |
| 457 | if (drv->mac_pausefrm_cfg) { |
| 458 | if (mac_cb->mac_type == HNAE_PORT_DEBUG) |
| 459 | drv->mac_pausefrm_cfg(drv, 0, 0); |
| 460 | else /* mac rx must disable, dsaf pfc close instead of it*/ |
| 461 | drv->mac_pausefrm_cfg(drv, 0, 1); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu) |
| 466 | { |
| 467 | struct mac_driver *drv = hns_mac_get_drv(mac_cb); |
| 468 | u32 buf_size = mac_cb->dsaf_dev->buf_size; |
| 469 | u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; |
| 470 | u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ? |
| 471 | MAC_MAX_MTU : MAC_MAX_MTU_V2; |
| 472 | |
| 473 | if (mac_cb->mac_type == HNAE_PORT_DEBUG) |
| 474 | max_frm = MAC_MAX_MTU_DBG; |
| 475 | |
| 476 | if ((new_mtu < MAC_MIN_MTU) || (new_frm > max_frm) || |
| 477 | (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)) |
| 478 | return -EINVAL; |
| 479 | |
| 480 | if (!drv->config_max_frame_length) |
| 481 | return -ECHILD; |
| 482 | |
| 483 | /* adjust max frame to be at least the size of a standard frame */ |
| 484 | if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)) |
| 485 | new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN); |
| 486 | |
| 487 | drv->config_max_frame_length(drv, new_frm); |
| 488 | |
| 489 | mac_cb->max_frm = new_frm; |
| 490 | |
| 491 | return 0; |
| 492 | } |
| 493 | |
| 494 | void hns_mac_start(struct hns_mac_cb *mac_cb) |
| 495 | { |
| 496 | struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb); |
| 497 | |
| 498 | /* for virt */ |
| 499 | if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) { |
| 500 | /*plus 1 when the virtual mac has been enabled */ |
| 501 | mac_drv->virt_dev_num += 1; |
| 502 | return; |
| 503 | } |
| 504 | |
| 505 | if (mac_drv->mac_enable) { |
| 506 | mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX); |
| 507 | mac_drv->mac_en_flg = MAC_EN_FLAG_V; |
| 508 | } |
| 509 | } |
| 510 | |
| 511 | void hns_mac_stop(struct hns_mac_cb *mac_cb) |
| 512 | { |
| 513 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 514 | |
| 515 | /*modified for virtualization */ |
| 516 | if (mac_ctrl_drv->virt_dev_num > 0) { |
| 517 | mac_ctrl_drv->virt_dev_num -= 1; |
| 518 | if (mac_ctrl_drv->virt_dev_num > 0) |
| 519 | return; |
| 520 | } |
| 521 | |
| 522 | if (mac_ctrl_drv->mac_disable) |
| 523 | mac_ctrl_drv->mac_disable(mac_cb->priv.mac, |
| 524 | MAC_COMM_MODE_RX_AND_TX); |
| 525 | |
| 526 | mac_ctrl_drv->mac_en_flg = 0; |
| 527 | mac_cb->link = 0; |
| 528 | cpld_led_reset(mac_cb); |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * hns_mac_get_autoneg - get auto autonegotiation |
| 533 | * @mac_cb: mac control block |
| 534 | * @enable: enable or not |
| 535 | * retuen 0 - success , negative --fail |
| 536 | */ |
| 537 | void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg) |
| 538 | { |
| 539 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 540 | |
| 541 | if (mac_ctrl_drv->autoneg_stat) |
| 542 | mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg); |
| 543 | else |
| 544 | *auto_neg = 0; |
| 545 | } |
| 546 | |
| 547 | /** |
| 548 | * hns_mac_get_pauseparam - set rx & tx pause parameter |
| 549 | * @mac_cb: mac control block |
| 550 | * @rx_en: rx enable status |
| 551 | * @tx_en: tx enable status |
| 552 | * retuen 0 - success , negative --fail |
| 553 | */ |
| 554 | void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en) |
| 555 | { |
| 556 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 557 | |
| 558 | if (mac_ctrl_drv->get_pause_enable) { |
| 559 | mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en); |
| 560 | } else { |
| 561 | *rx_en = 0; |
| 562 | *tx_en = 0; |
| 563 | } |
| 564 | |
| 565 | /* Due to the chip defect, the service mac's rx pause CAN'T be enabled. |
| 566 | * We set the rx pause frm always be true (1), because DSAF deals with |
| 567 | * the rx pause frm instead of service mac. After all, we still support |
| 568 | * rx pause frm. |
| 569 | */ |
| 570 | if (mac_cb->mac_type == HNAE_PORT_SERVICE) |
| 571 | *rx_en = 1; |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * hns_mac_set_autoneg - set auto autonegotiation |
| 576 | * @mac_cb: mac control block |
| 577 | * @enable: enable or not |
| 578 | * retuen 0 - success , negative --fail |
| 579 | */ |
| 580 | int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable) |
| 581 | { |
| 582 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 583 | |
| 584 | if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) { |
| 585 | dev_err(mac_cb->dev, "enable autoneg is not allowed!"); |
| 586 | return -ENOTSUPP; |
| 587 | } |
| 588 | |
| 589 | if (mac_ctrl_drv->set_an_mode) |
| 590 | mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable); |
| 591 | |
| 592 | return 0; |
| 593 | } |
| 594 | |
| 595 | /** |
| 596 | * hns_mac_set_autoneg - set rx & tx pause parameter |
| 597 | * @mac_cb: mac control block |
| 598 | * @rx_en: rx enable or not |
| 599 | * @tx_en: tx enable or not |
| 600 | * return 0 - success , negative --fail |
| 601 | */ |
| 602 | int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en) |
| 603 | { |
| 604 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 605 | |
| 606 | if (mac_cb->mac_type == HNAE_PORT_SERVICE) { |
| 607 | if (!rx_en) { |
| 608 | dev_err(mac_cb->dev, "disable rx_pause is not allowed!"); |
| 609 | return -EINVAL; |
| 610 | } |
| 611 | } else if (mac_cb->mac_type == HNAE_PORT_DEBUG) { |
| 612 | if (tx_en || rx_en) { |
| 613 | dev_err(mac_cb->dev, "enable tx_pause or enable rx_pause are not allowed!"); |
| 614 | return -EINVAL; |
| 615 | } |
| 616 | } else { |
| 617 | dev_err(mac_cb->dev, "Unsupport this operation!"); |
| 618 | return -EINVAL; |
| 619 | } |
| 620 | |
| 621 | if (mac_ctrl_drv->mac_pausefrm_cfg) |
| 622 | mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en); |
| 623 | |
| 624 | return 0; |
| 625 | } |
| 626 | |
| 627 | /** |
| 628 | * hns_mac_init_ex - mac init |
| 629 | * @mac_cb: mac control block |
| 630 | * retuen 0 - success , negative --fail |
| 631 | */ |
| 632 | static int hns_mac_init_ex(struct hns_mac_cb *mac_cb) |
| 633 | { |
| 634 | int ret; |
| 635 | struct mac_params param; |
| 636 | struct mac_driver *drv; |
| 637 | |
| 638 | hns_dsaf_fix_mac_mode(mac_cb); |
| 639 | |
| 640 | memset(¶m, 0, sizeof(struct mac_params)); |
| 641 | hns_mac_param_get(¶m, mac_cb); |
| 642 | |
| 643 | if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000) |
| 644 | drv = (struct mac_driver *)hns_gmac_config(mac_cb, ¶m); |
| 645 | else |
| 646 | drv = (struct mac_driver *)hns_xgmac_config(mac_cb, ¶m); |
| 647 | |
| 648 | if (!drv) |
| 649 | return -ENOMEM; |
| 650 | |
| 651 | mac_cb->priv.mac = (void *)drv; |
| 652 | hns_mac_reset(mac_cb); |
| 653 | |
| 654 | hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex); |
| 655 | |
| 656 | ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true); |
| 657 | if (ret) |
| 658 | goto free_mac_drv; |
| 659 | |
| 660 | return 0; |
| 661 | |
| 662 | free_mac_drv: |
| 663 | drv->mac_free(mac_cb->priv.mac); |
| 664 | mac_cb->priv.mac = NULL; |
| 665 | |
| 666 | return ret; |
| 667 | } |
| 668 | |
| 669 | /** |
| 670 | *mac_free_dev - get mac information from device node |
| 671 | *@mac_cb: mac device |
| 672 | *@np:device node |
| 673 | *@mac_mode_idx:mac mode index |
| 674 | */ |
| 675 | static void hns_mac_get_info(struct hns_mac_cb *mac_cb, |
| 676 | struct device_node *np, u32 mac_mode_idx) |
| 677 | { |
| 678 | mac_cb->link = false; |
| 679 | mac_cb->half_duplex = false; |
| 680 | mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if]; |
| 681 | mac_cb->max_speed = mac_cb->speed; |
| 682 | |
| 683 | if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) { |
| 684 | mac_cb->if_support = MAC_GMAC_SUPPORTED; |
| 685 | mac_cb->if_support |= SUPPORTED_1000baseT_Full; |
| 686 | } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) { |
| 687 | mac_cb->if_support = SUPPORTED_10000baseR_FEC; |
| 688 | mac_cb->if_support |= SUPPORTED_10000baseKR_Full; |
| 689 | } |
| 690 | |
| 691 | mac_cb->max_frm = MAC_DEFAULT_MTU; |
| 692 | mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME; |
| 693 | |
| 694 | /* Get the rest of the PHY information */ |
| 695 | mac_cb->phy_node = of_parse_phandle(np, "phy-handle", mac_cb->mac_id); |
| 696 | if (mac_cb->phy_node) |
| 697 | dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n", |
| 698 | mac_cb->mac_id, mac_cb->phy_node->name); |
| 699 | } |
| 700 | |
| 701 | /** |
| 702 | * hns_mac_get_mode - get mac mode |
| 703 | * @phy_if: phy interface |
| 704 | * retuen 0 - gmac, 1 - xgmac , negative --fail |
| 705 | */ |
| 706 | static int hns_mac_get_mode(phy_interface_t phy_if) |
| 707 | { |
| 708 | switch (phy_if) { |
| 709 | case PHY_INTERFACE_MODE_SGMII: |
| 710 | return MAC_GMAC_IDX; |
| 711 | case PHY_INTERFACE_MODE_XGMII: |
| 712 | return MAC_XGMAC_IDX; |
| 713 | default: |
| 714 | return -EINVAL; |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev, |
| 719 | struct hns_mac_cb *mac_cb, u32 mac_mode_idx) |
| 720 | { |
| 721 | u8 __iomem *base = dsaf_dev->io_base; |
| 722 | int mac_id = mac_cb->mac_id; |
| 723 | |
| 724 | if (mac_cb->mac_type == HNAE_PORT_SERVICE) |
| 725 | return base + 0x40000 + mac_id * 0x4000 - |
| 726 | mac_mode_idx * 0x20000; |
| 727 | else |
| 728 | return mac_cb->serdes_vaddr + 0x1000 |
| 729 | + (mac_id - DSAF_SERVICE_PORT_NUM_PER_DSAF) * 0x100000; |
| 730 | } |
| 731 | |
| 732 | /** |
| 733 | * hns_mac_get_cfg - get mac cfg from dtb or acpi table |
| 734 | * @dsaf_dev: dsa fabric device struct pointer |
| 735 | * @mac_idx: mac index |
| 736 | * retuen 0 - success , negative --fail |
| 737 | */ |
| 738 | int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, int mac_idx) |
| 739 | { |
| 740 | int ret; |
| 741 | u32 mac_mode_idx; |
| 742 | struct hns_mac_cb *mac_cb = &dsaf_dev->mac_cb[mac_idx]; |
| 743 | |
| 744 | mac_cb->dsaf_dev = dsaf_dev; |
| 745 | mac_cb->dev = dsaf_dev->dev; |
| 746 | mac_cb->mac_id = mac_idx; |
| 747 | |
| 748 | mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base; |
| 749 | mac_cb->serdes_vaddr = dsaf_dev->sds_base; |
| 750 | |
| 751 | if (dsaf_dev->cpld_base && |
| 752 | mac_idx < DSAF_SERVICE_PORT_NUM_PER_DSAF) { |
| 753 | mac_cb->cpld_vaddr = dsaf_dev->cpld_base + |
| 754 | mac_cb->mac_id * CPLD_ADDR_PORT_OFFSET; |
| 755 | cpld_led_reset(mac_cb); |
| 756 | } |
| 757 | mac_cb->sfp_prsnt = 0; |
| 758 | mac_cb->txpkt_for_led = 0; |
| 759 | mac_cb->rxpkt_for_led = 0; |
| 760 | |
| 761 | if (mac_idx < DSAF_SERVICE_PORT_NUM_PER_DSAF) |
| 762 | mac_cb->mac_type = HNAE_PORT_SERVICE; |
| 763 | else |
| 764 | mac_cb->mac_type = HNAE_PORT_DEBUG; |
| 765 | |
| 766 | mac_cb->phy_if = hns_mac_get_phy_if(mac_cb); |
| 767 | |
| 768 | ret = hns_mac_get_mode(mac_cb->phy_if); |
| 769 | if (ret < 0) { |
| 770 | dev_err(dsaf_dev->dev, |
| 771 | "hns_mac_get_mode failed,mac%d ret = %#x!\n", |
| 772 | mac_cb->mac_id, ret); |
| 773 | return ret; |
| 774 | } |
| 775 | mac_mode_idx = (u32)ret; |
| 776 | |
| 777 | hns_mac_get_info(mac_cb, mac_cb->dev->of_node, mac_mode_idx); |
| 778 | |
| 779 | mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx); |
| 780 | |
| 781 | return 0; |
| 782 | } |
| 783 | |
| 784 | /** |
| 785 | * hns_mac_init - init mac |
| 786 | * @dsaf_dev: dsa fabric device struct pointer |
| 787 | * retuen 0 - success , negative --fail |
| 788 | */ |
| 789 | int hns_mac_init(struct dsaf_device *dsaf_dev) |
| 790 | { |
| 791 | int i; |
| 792 | int ret; |
| 793 | size_t size; |
| 794 | struct hns_mac_cb *mac_cb; |
| 795 | |
| 796 | size = sizeof(struct hns_mac_cb) * DSAF_MAX_PORT_NUM_PER_CHIP; |
| 797 | dsaf_dev->mac_cb = devm_kzalloc(dsaf_dev->dev, size, GFP_KERNEL); |
| 798 | if (!dsaf_dev->mac_cb) |
| 799 | return -ENOMEM; |
| 800 | |
| 801 | for (i = 0; i < DSAF_MAX_PORT_NUM_PER_CHIP; i++) { |
| 802 | ret = hns_mac_get_cfg(dsaf_dev, i); |
| 803 | if (ret) |
| 804 | goto free_mac_cb; |
| 805 | |
| 806 | mac_cb = &dsaf_dev->mac_cb[i]; |
| 807 | ret = hns_mac_init_ex(mac_cb); |
| 808 | if (ret) |
| 809 | goto free_mac_cb; |
| 810 | } |
| 811 | |
| 812 | return 0; |
| 813 | |
| 814 | free_mac_cb: |
| 815 | dsaf_dev->mac_cb = NULL; |
| 816 | |
| 817 | return ret; |
| 818 | } |
| 819 | |
| 820 | void hns_mac_uninit(struct dsaf_device *dsaf_dev) |
| 821 | { |
| 822 | cpld_led_reset(dsaf_dev->mac_cb); |
| 823 | dsaf_dev->mac_cb = NULL; |
| 824 | } |
| 825 | |
| 826 | int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb, |
| 827 | enum hnae_loop loop, int en) |
| 828 | { |
| 829 | int ret; |
| 830 | struct mac_driver *drv = hns_mac_get_drv(mac_cb); |
| 831 | |
| 832 | if (drv->config_loopback) |
| 833 | ret = drv->config_loopback(drv, loop, en); |
| 834 | else |
| 835 | ret = -ENOTSUPP; |
| 836 | |
| 837 | return ret; |
| 838 | } |
| 839 | |
| 840 | void hns_mac_update_stats(struct hns_mac_cb *mac_cb) |
| 841 | { |
| 842 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 843 | |
| 844 | mac_ctrl_drv->update_stats(mac_ctrl_drv); |
| 845 | } |
| 846 | |
| 847 | void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data) |
| 848 | { |
| 849 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 850 | |
| 851 | mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data); |
| 852 | } |
| 853 | |
| 854 | void hns_mac_get_strings(struct hns_mac_cb *mac_cb, |
| 855 | int stringset, u8 *data) |
| 856 | { |
| 857 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 858 | |
| 859 | mac_ctrl_drv->get_strings(stringset, data); |
| 860 | } |
| 861 | |
| 862 | int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset) |
| 863 | { |
| 864 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 865 | |
| 866 | return mac_ctrl_drv->get_sset_count(stringset); |
| 867 | } |
| 868 | |
| 869 | void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en) |
| 870 | { |
| 871 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 872 | |
| 873 | if (mac_ctrl_drv->set_promiscuous) |
| 874 | mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en); |
| 875 | } |
| 876 | |
| 877 | int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb) |
| 878 | { |
| 879 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 880 | |
| 881 | return mac_ctrl_drv->get_regs_count(); |
| 882 | } |
| 883 | |
| 884 | void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data) |
| 885 | { |
| 886 | struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb); |
| 887 | |
| 888 | mac_ctrl_drv->get_regs(mac_ctrl_drv, data); |
| 889 | } |
| 890 | |
| 891 | void hns_set_led_opt(struct hns_mac_cb *mac_cb) |
| 892 | { |
| 893 | int nic_data = 0; |
| 894 | int txpkts, rxpkts; |
| 895 | |
| 896 | txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts; |
| 897 | rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts; |
| 898 | if (txpkts || rxpkts) |
| 899 | nic_data = 1; |
| 900 | else |
| 901 | nic_data = 0; |
| 902 | mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts; |
| 903 | mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts; |
| 904 | hns_cpld_set_led(mac_cb, (int)mac_cb->link, |
| 905 | mac_cb->speed, nic_data); |
| 906 | } |
| 907 | |
| 908 | int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb, |
| 909 | enum hnae_led_state status) |
| 910 | { |
| 911 | if (!mac_cb || !mac_cb->cpld_vaddr) |
| 912 | return 0; |
| 913 | |
| 914 | return cpld_set_led_id(mac_cb, status); |
| 915 | } |