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[mirror_ubuntu-eoan-kernel.git] / drivers / net / ethernet / hisilicon / hns / hns_dsaf_mac.c
CommitLineData
511e6bc0 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
1d1afa2e 10#include <linux/acpi.h>
511e6bc0 11#include <linux/init.h>
511e6bc0 12#include <linux/interrupt.h>
2e2591b1 13#include <linux/kernel.h>
831d828b 14#include <linux/mfd/syscon.h>
2e2591b1
DH		 15#include <linux/module.h>
16#include <linux/netdevice.h>
511e6bc0 17#include <linux/of.h>
18#include <linux/of_address.h>
652d39b0
KY		 19#include <linux/of_mdio.h>
20#include <linux/phy.h>
2e2591b1 21#include <linux/platform_device.h>
511e6bc0 22
511e6bc0 23#include "hns_dsaf_main.h"
2e2591b1 24#include "hns_dsaf_misc.h"
511e6bc0 25#include "hns_dsaf_rcb.h"
26
27#define MAC_EN_FLAG_V 0xada0328
28
29static 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
43static 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
48static 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
511e6bc0 59static 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
511e6bc0 73void 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
a24274aa 85 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb, &sfp_prsnt);
511e6bc0 86 if (!ret)
87 *link_status = *link_status && sfp_prsnt;
88
89 mac_cb->link = *link_status;
90}
91
92int 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
114void 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;
511e6bc0 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,
451e856e 129 "adjust_link failed, %s mac%d ret = %#x!\n",
511e6bc0 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 */
58035fd9 144int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
511e6bc0 145{
58035fd9
DH		 146 int q_num_per_vf, vf_num_per_port;
147 int vm_queue_id;
511e6bc0 148 u8 tmp_port;
511e6bc0 149
150 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
831d828b 151 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
511e6bc0 152 dev_err(mac_cb->dev,
451e856e 153 "input invalid, %s mac%d vmid%d !\n",
511e6bc0 154 mac_cb->dsaf_dev->ae_dev.name,
155 mac_cb->mac_id, vmid);
156 return -EINVAL;
157 }
158 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
831d828b 159 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
511e6bc0 160 dev_err(mac_cb->dev,
451e856e 161 "input invalid, %s mac%d vmid%d!\n",
511e6bc0 162 mac_cb->dsaf_dev->ae_dev.name,
163 mac_cb->mac_id, vmid);
164 return -EINVAL;
165 }
166 } else {
451e856e 167 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
511e6bc0 168 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
169 return -EINVAL;
170 }
171
831d828b 172 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
451e856e 173 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
511e6bc0 174 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
175 return -EINVAL;
176 }
177
58035fd9
DH		 178 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
179 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
180
181 vm_queue_id = vmid * q_num_per_vf +
182 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
183
511e6bc0 184 switch (mac_cb->dsaf_dev->dsaf_mode) {
185 case DSAF_MODE_ENABLE_FIX:
186 tmp_port = 0;
187 break;
188 case DSAF_MODE_DISABLE_FIX:
189 tmp_port = 0;
190 break;
191 case DSAF_MODE_ENABLE_0VM:
192 case DSAF_MODE_ENABLE_8VM:
193 case DSAF_MODE_ENABLE_16VM:
194 case DSAF_MODE_ENABLE_32VM:
195 case DSAF_MODE_ENABLE_128VM:
196 case DSAF_MODE_DISABLE_2PORT_8VM:
197 case DSAF_MODE_DISABLE_2PORT_16VM:
198 case DSAF_MODE_DISABLE_2PORT_64VM:
199 case DSAF_MODE_DISABLE_6PORT_0VM:
200 case DSAF_MODE_DISABLE_6PORT_2VM:
201 case DSAF_MODE_DISABLE_6PORT_4VM:
202 case DSAF_MODE_DISABLE_6PORT_16VM:
58035fd9 203 tmp_port = vm_queue_id;
511e6bc0 204 break;
205 default:
451e856e 206 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
511e6bc0 207 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
208 return -EINVAL;
209 }
210 tmp_port += DSAF_BASE_INNER_PORT_NUM;
211
212 *port_num = tmp_port;
213
214 return 0;
215}
216
217/**
831d828b 218 *hns_mac_change_vf_addr - change vf mac address
511e6bc0 219 *@mac_cb: mac device
220 *@vmid: vmid
221 *@addr:mac address
222 */
223int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
224 u32 vmid, char *addr)
225{
226 int ret;
227 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
228 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
229 struct dsaf_drv_mac_single_dest_entry mac_entry;
230 struct mac_entry_idx *old_entry;
231
232 old_entry = &mac_cb->addr_entry_idx[vmid];
89a44093 233 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
511e6bc0 234 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
235 mac_entry.in_vlan_id = old_entry->vlan_id;
236 mac_entry.in_port_num = mac_cb->mac_id;
237 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
238 &mac_entry.port_num);
239 if (ret)
240 return ret;
241
242 if ((old_entry->valid != 0) &&
243 (memcmp(old_entry->addr,
244 addr, sizeof(mac_entry.addr)) != 0)) {
245 ret = hns_dsaf_del_mac_entry(dsaf_dev,
246 old_entry->vlan_id,
247 mac_cb->mac_id,
248 old_entry->addr);
249 if (ret)
250 return ret;
251 }
252
253 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
254 if (ret)
255 return ret;
256 }
257
258 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
259 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
260
261 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
262 old_entry->valid = 1;
263 return 0;
264}
265
266int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
13ac695e 267 u32 port_num, char *addr, bool enable)
511e6bc0 268{
269 int ret;
270 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
271 struct dsaf_drv_mac_single_dest_entry mac_entry;
272
89a44093 273 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
511e6bc0 274 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
275 mac_entry.in_vlan_id = 0;/*vlan_id;*/
276 mac_entry.in_port_num = mac_cb->mac_id;
277 mac_entry.port_num = port_num;
278
13ac695e 279 if (!enable)
511e6bc0 280 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
281 else
282 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
283 if (ret) {
284 dev_err(dsaf_dev->dev,
451e856e 285 "set mac mc port failed, %s mac%d ret = %#x!\n",
511e6bc0 286 mac_cb->dsaf_dev->ae_dev.name,
287 mac_cb->mac_id, ret);
288 return ret;
289 }
290 }
291
292 return 0;
293}
294
295/**
296 *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
297 * address twice
298 *@net_dev: net device
299 *@vfn : vf lan
300 *@mac : mac address
301 *return status
302 */
303int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
304{
305 struct mac_entry_idx *old_mac;
306 struct dsaf_device *dsaf_dev;
307 u32 ret;
308
309 dsaf_dev = mac_cb->dsaf_dev;
310
311 if (vfn < DSAF_MAX_VM_NUM) {
312 old_mac = &mac_cb->addr_entry_idx[vfn];
313 } else {
314 dev_err(mac_cb->dev,
451e856e 315 "vf queue is too large, %s mac%d queue = %#x!\n",
511e6bc0 316 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
317 return -EINVAL;
318 }
319
320 if (dsaf_dev) {
321 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
322 mac_cb->mac_id, old_mac->addr);
323 if (ret)
324 return ret;
325
326 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
327 old_mac->valid = 0;
328 }
329
330 return 0;
331}
332
333static void hns_mac_param_get(struct mac_params *param,
334 struct hns_mac_cb *mac_cb)
335{
336 param->vaddr = (void *)mac_cb->vaddr;
337 param->mac_mode = hns_get_enet_interface(mac_cb);
153b1d48 338 ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
511e6bc0 339 param->mac_id = mac_cb->mac_id;
340 param->dev = mac_cb->dev;
341}
342
343/**
344 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
345 *@mac_cb: mac device
346 *@queue: queue number
347 *@en:enable
348 *retuen 0 - success , negative --fail
349 */
350static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
13ac695e 351 u32 port_num, u16 vlan_id, bool enable)
511e6bc0 352{
353 int ret;
354 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
153b1d48 355 u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
511e6bc0 356 struct dsaf_drv_mac_single_dest_entry mac_entry;
357
358 /* directy return ok in debug network mode */
359 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
360 return 0;
361
89a44093 362 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
511e6bc0 363 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
364 mac_entry.in_vlan_id = vlan_id;
365 mac_entry.in_port_num = mac_cb->mac_id;
366 mac_entry.port_num = port_num;
367
13ac695e 368 if (!enable)
511e6bc0 369 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
370 else
371 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
372 return ret;
373 }
374
375 return 0;
376}
377
378/**
379 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
380 *@mac_cb: mac device
381 *@vmid: vm id
382 *@en:enable
383 *retuen 0 - success , negative --fail
384 */
13ac695e 385int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
511e6bc0 386{
387 int ret;
388 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
389 u8 port_num;
153b1d48 390 u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
511e6bc0 391 struct mac_entry_idx *uc_mac_entry;
392 struct dsaf_drv_mac_single_dest_entry mac_entry;
393
394 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
395 return 0;
396
397 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
398
89a44093 399 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
511e6bc0 400 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
401 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
402 mac_entry.in_port_num = mac_cb->mac_id;
403 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
404 if (ret)
405 return ret;
406 mac_entry.port_num = port_num;
407
13ac695e 408 if (!enable)
511e6bc0 409 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
410 else
411 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
412 return ret;
413 }
414
415 return 0;
416}
417
418void hns_mac_reset(struct hns_mac_cb *mac_cb)
419{
5ada37b5
L		 420 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
421 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
511e6bc0 422
423 drv->mac_init(drv);
424
425 if (drv->config_max_frame_length)
426 drv->config_max_frame_length(drv, mac_cb->max_frm);
427
428 if (drv->set_tx_auto_pause_frames)
429 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
430
431 if (drv->set_an_mode)
432 drv->set_an_mode(drv, 1);
433
434 if (drv->mac_pausefrm_cfg) {
435 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
5ada37b5 436 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
511e6bc0 437 else /* mac rx must disable, dsaf pfc close instead of it*/
438 drv->mac_pausefrm_cfg(drv, 0, 1);
439 }
440}
441
442int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu)
443{
444 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
445 u32 buf_size = mac_cb->dsaf_dev->buf_size;
446 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
da3488bb
KY		 447 u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
448 MAC_MAX_MTU : MAC_MAX_MTU_V2;
511e6bc0 449
211b1384
KY		 450 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
451 max_frm = MAC_MAX_MTU_DBG;
452
44770e11 453 if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
511e6bc0 454 return -EINVAL;
455
456 if (!drv->config_max_frame_length)
457 return -ECHILD;
458
459 /* adjust max frame to be at least the size of a standard frame */
460 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
461 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
462
463 drv->config_max_frame_length(drv, new_frm);
464
465 mac_cb->max_frm = new_frm;
466
467 return 0;
468}
469
470void hns_mac_start(struct hns_mac_cb *mac_cb)
471{
472 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
473
474 /* for virt */
475 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
476 /*plus 1 when the virtual mac has been enabled */
477 mac_drv->virt_dev_num += 1;
478 return;
479 }
480
481 if (mac_drv->mac_enable) {
482 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
483 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
484 }
485}
486
487void hns_mac_stop(struct hns_mac_cb *mac_cb)
488{
489 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
490
491 /*modified for virtualization */
492 if (mac_ctrl_drv->virt_dev_num > 0) {
493 mac_ctrl_drv->virt_dev_num -= 1;
494 if (mac_ctrl_drv->virt_dev_num > 0)
495 return;
496 }
497
498 if (mac_ctrl_drv->mac_disable)
499 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
500 MAC_COMM_MODE_RX_AND_TX);
501
502 mac_ctrl_drv->mac_en_flg = 0;
503 mac_cb->link = 0;
a24274aa 504 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
511e6bc0 505}
506
507/**
508 * hns_mac_get_autoneg - get auto autonegotiation
509 * @mac_cb: mac control block
510 * @enable: enable or not
511 * retuen 0 - success , negative --fail
512 */
513void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
514{
515 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
516
517 if (mac_ctrl_drv->autoneg_stat)
518 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
519 else
520 *auto_neg = 0;
521}
522
523/**
524 * hns_mac_get_pauseparam - set rx & tx pause parameter
525 * @mac_cb: mac control block
526 * @rx_en: rx enable status
527 * @tx_en: tx enable status
528 * retuen 0 - success , negative --fail
529 */
530void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
531{
532 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
533
534 if (mac_ctrl_drv->get_pause_enable) {
535 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
536 } else {
537 *rx_en = 0;
538 *tx_en = 0;
539 }
511e6bc0 540}
541
542/**
543 * hns_mac_set_autoneg - set auto autonegotiation
544 * @mac_cb: mac control block
545 * @enable: enable or not
546 * retuen 0 - success , negative --fail
547 */
548int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
549{
550 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
551
552 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
451e856e 553 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
511e6bc0 554 return -ENOTSUPP;
555 }
556
557 if (mac_ctrl_drv->set_an_mode)
558 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
559
560 return 0;
561}
562
563/**
564 * hns_mac_set_autoneg - set rx & tx pause parameter
565 * @mac_cb: mac control block
566 * @rx_en: rx enable or not
567 * @tx_en: tx enable or not
568 * return 0 - success , negative --fail
569 */
570int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
571{
572 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
5ada37b5 573 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
511e6bc0 574
5ada37b5
L		 575 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
576 if (is_ver1 && (tx_en || rx_en)) {
451e856e 577 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
511e6bc0 578 return -EINVAL;
579 }
511e6bc0 580 }
581
582 if (mac_ctrl_drv->mac_pausefrm_cfg)
583 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
584
585 return 0;
586}
587
588/**
589 * hns_mac_init_ex - mac init
590 * @mac_cb: mac control block
591 * retuen 0 - success , negative --fail
592 */
593static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
594{
595 int ret;
596 struct mac_params param;
597 struct mac_driver *drv;
598
599 hns_dsaf_fix_mac_mode(mac_cb);
600
601 memset(&param, 0, sizeof(struct mac_params));
602 hns_mac_param_get(&param, mac_cb);
603
604 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
605 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
606 else
607 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
608
609 if (!drv)
610 return -ENOMEM;
611
612 mac_cb->priv.mac = (void *)drv;
613 hns_mac_reset(mac_cb);
614
615 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
616
13ac695e 617 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
511e6bc0 618 if (ret)
619 goto free_mac_drv;
620
621 return 0;
622
623free_mac_drv:
624 drv->mac_free(mac_cb->priv.mac);
625 mac_cb->priv.mac = NULL;
626
627 return ret;
628}
629
1d1afa2e
KY		 630static int
631hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
632{
633 u32 addr;
634 int ret;
635
636 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
637 if (ret) {
638 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
639 return ret;
640 }
641
642 if (addr >= PHY_MAX_ADDR) {
643 dev_err(dev, "PHY address %i is too large\n", addr);
644 return -EINVAL;
645 }
646
647 return addr;
648}
649
1d1afa2e
KY		 650static int
651hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
652 u32 addr)
653{
654 struct phy_device *phy;
655 const char *phy_type;
656 bool is_c45;
657 int rc;
658
659 rc = fwnode_property_read_string(mac_cb->fw_port,
660 "phy-mode", &phy_type);
661 if (rc < 0)
662 return rc;
663
664 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
665 is_c45 = 1;
666 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
667 is_c45 = 0;
668 else
669 return -ENODATA;
670
671 phy = get_phy_device(mdio, addr, is_c45);
672 if (!phy || IS_ERR(phy))
673 return -EIO;
674
cfaace26 675 phy->irq = mdio->irq[addr];
1d1afa2e
KY		 676
677 /* All data is now stored in the phy struct;
678 * register it
679 */
680 rc = phy_device_register(phy);
681 if (rc) {
682 phy_device_free(phy);
683 return -ENODEV;
684 }
685
686 mac_cb->phy_dev = phy;
687
688 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
689
690 return 0;
691}
692
693static void hns_mac_register_phy(struct hns_mac_cb *mac_cb)
694{
695 struct acpi_reference_args args;
696 struct platform_device *pdev;
697 struct mii_bus *mii_bus;
698 int rc;
699 int addr;
700
701 /* Loop over the child nodes and register a phy_device for each one */
702 if (!to_acpi_device_node(mac_cb->fw_port))
703 return;
704
705 rc = acpi_node_get_property_reference(
706 mac_cb->fw_port, "mdio-node", 0, &args);
707 if (rc)
708 return;
709
710 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
711 if (addr < 0)
712 return;
713
714 /* dev address in adev */
d605916b 715 pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
1d1afa2e
KY		 716 mii_bus = platform_get_drvdata(pdev);
717 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
718 if (!rc)
719 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
720 mac_cb->mac_id, addr);
721}
722
5d2525f7
KY		 723#define MAC_MEDIA_TYPE_MAX_LEN 16
724
725static const struct {
726 enum hnae_media_type value;
727 const char *name;
728} media_type_defs[] = {
729 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
730 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
731 {HNAE_MEDIA_TYPE_COPPER, "copper" },
732 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
733};
734
511e6bc0 735/**
831d828b 736 *hns_mac_get_info - get mac information from device node
511e6bc0 737 *@mac_cb: mac device
738 *@np:device node
831d828b 739 * return: 0 --success, negative --fail
511e6bc0 740 */
831d828b 741static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
511e6bc0 742{
652d39b0 743 struct device_node *np;
831d828b 744 struct regmap *syscon;
1ffdfac9 745 struct of_phandle_args cpld_args;
5d2525f7
KY		 746 const char *media_type;
747 u32 i;
31d4446d
YZZ		 748 u32 ret;
749
511e6bc0 750 mac_cb->link = false;
751 mac_cb->half_duplex = false;
5d2525f7 752 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
511e6bc0 753 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
754 mac_cb->max_speed = mac_cb->speed;
755
756 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
757 mac_cb->if_support = MAC_GMAC_SUPPORTED;
758 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
759 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
760 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
761 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
762 }
763
764 mac_cb->max_frm = MAC_DEFAULT_MTU;
765 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
850bfa3b 766 mac_cb->port_rst_off = mac_cb->mac_id;
0d768fc6 767 mac_cb->port_mode_off = 0;
511e6bc0 768
831d828b
YZZ		 769 /* if the dsaf node doesn't contain a port subnode, get phy-handle
770 * from dsaf node
771 */
772 if (!mac_cb->fw_port) {
652d39b0
KY		 773 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
774 mac_cb->mac_id);
775 mac_cb->phy_dev = of_phy_find_device(np);
776 if (mac_cb->phy_dev) {
777 /* refcount is held by of_phy_find_device()
778 * if the phy_dev is found
779 */
780 put_device(&mac_cb->phy_dev->mdio.dev);
781
831d828b 782 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
652d39b0
KY		 783 mac_cb->mac_id, np->name);
784 }
b2e45406 785 of_node_put(np);
652d39b0 786
831d828b
YZZ		 787 return 0;
788 }
652d39b0 789
8413b3be 790 if (is_of_node(mac_cb->fw_port)) {
1d1afa2e
KY		 791 /* parse property from port subnode in dsaf */
792 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
793 "phy-handle", 0);
794 mac_cb->phy_dev = of_phy_find_device(np);
795 if (mac_cb->phy_dev) {
796 /* refcount is held by of_phy_find_device()
797 * if the phy_dev is found
798 */
799 put_device(&mac_cb->phy_dev->mdio.dev);
800 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
801 mac_cb->mac_id, np->name);
652d39b0 802 }
b2e45406 803 of_node_put(np);
652d39b0 804
b2e45406
PC		 805 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
806 "serdes-syscon", 0);
807 syscon = syscon_node_to_regmap(np);
808 of_node_put(np);
8413b3be
KY		 809 if (IS_ERR_OR_NULL(syscon)) {
810 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
811 return -EINVAL;
812 }
813 mac_cb->serdes_ctrl = syscon;
850bfa3b 814
8413b3be
KY		 815 ret = fwnode_property_read_u32(mac_cb->fw_port,
816 "port-rst-offset",
817 &mac_cb->port_rst_off);
818 if (ret) {
819 dev_dbg(mac_cb->dev,
820 "mac%d port-rst-offset not found, use default value.\n",
821 mac_cb->mac_id);
822 }
0d768fc6 823
8413b3be
KY		 824 ret = fwnode_property_read_u32(mac_cb->fw_port,
825 "port-mode-offset",
826 &mac_cb->port_mode_off);
827 if (ret) {
828 dev_dbg(mac_cb->dev,
829 "mac%d port-mode-offset not found, use default value.\n",
830 mac_cb->mac_id);
831 }
832
833 ret = of_parse_phandle_with_fixed_args(
834 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
835 &cpld_args);
836 if (ret) {
837 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
838 mac_cb->mac_id);
1ffdfac9
YZZ		 839 mac_cb->cpld_ctrl = NULL;
840 } else {
8413b3be
KY		 841 syscon = syscon_node_to_regmap(cpld_args.np);
842 if (IS_ERR_OR_NULL(syscon)) {
843 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
844 mac_cb->cpld_ctrl = NULL;
845 } else {
846 mac_cb->cpld_ctrl = syscon;
847 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
848 }
31d4446d 849 }
1d1afa2e
KY		 850 } else if (is_acpi_node(mac_cb->fw_port)) {
851 hns_mac_register_phy(mac_cb);
852 } else {
853 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
854 mac_cb->mac_id);
31d4446d 855 }
1ffdfac9 856
5d2525f7
KY		 857 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
858 &media_type)) {
859 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
860 if (!strncmp(media_type_defs[i].name, media_type,
861 MAC_MEDIA_TYPE_MAX_LEN)) {
862 mac_cb->media_type = media_type_defs[i].value;
863 break;
864 }
865 }
866 }
867
153b1d48
KY		 868 if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
869 mac_cb->mc_mask, ETH_ALEN)) {
870 dev_warn(mac_cb->dev,
871 "no mc-mac-mask property, set to default value.\n");
872 eth_broadcast_addr(mac_cb->mc_mask);
873 }
874
831d828b 875 return 0;
511e6bc0 876}
877
878/**
879 * hns_mac_get_mode - get mac mode
880 * @phy_if: phy interface
881 * retuen 0 - gmac, 1 - xgmac , negative --fail
882 */
883static int hns_mac_get_mode(phy_interface_t phy_if)
884{
885 switch (phy_if) {
886 case PHY_INTERFACE_MODE_SGMII:
887 return MAC_GMAC_IDX;
888 case PHY_INTERFACE_MODE_XGMII:
889 return MAC_XGMAC_IDX;
890 default:
891 return -EINVAL;
892 }
893}
894
895u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
896 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
897{
898 u8 __iomem *base = dsaf_dev->io_base;
899 int mac_id = mac_cb->mac_id;
900
901 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
902 return base + 0x40000 + mac_id * 0x4000 -
903 mac_mode_idx * 0x20000;
904 else
831d828b 905 return dsaf_dev->ppe_base + 0x1000;
511e6bc0 906}
907
908/**
909 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
910 * @dsaf_dev: dsa fabric device struct pointer
831d828b
YZZ		 911 * @mac_cb: mac control block
912 * return 0 - success , negative --fail
511e6bc0 913 */
831d828b 914int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
511e6bc0 915{
916 int ret;
917 u32 mac_mode_idx;
511e6bc0 918
919 mac_cb->dsaf_dev = dsaf_dev;
920 mac_cb->dev = dsaf_dev->dev;
511e6bc0 921
922 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
923 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
924
511e6bc0 925 mac_cb->sfp_prsnt = 0;
926 mac_cb->txpkt_for_led = 0;
927 mac_cb->rxpkt_for_led = 0;
928
831d828b 929 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
511e6bc0 930 mac_cb->mac_type = HNAE_PORT_SERVICE;
931 else
932 mac_cb->mac_type = HNAE_PORT_DEBUG;
933
a24274aa 934 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
511e6bc0 935
936 ret = hns_mac_get_mode(mac_cb->phy_if);
937 if (ret < 0) {
938 dev_err(dsaf_dev->dev,
451e856e 939 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
511e6bc0 940 mac_cb->mac_id, ret);
941 return ret;
942 }
943 mac_mode_idx = (u32)ret;
944
831d828b
YZZ		 945 ret = hns_mac_get_info(mac_cb);
946 if (ret)
947 return ret;
511e6bc0 948
a24274aa 949 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
511e6bc0 950 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
951
952 return 0;
953}
954
831d828b
YZZ		 955static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
956{
957 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
958 return 1;
959 else
960 return DSAF_MAX_PORT_NUM;
961}
962
511e6bc0 963/**
964 * hns_mac_init - init mac
965 * @dsaf_dev: dsa fabric device struct pointer
831d828b 966 * return 0 - success , negative --fail
511e6bc0 967 */
968int hns_mac_init(struct dsaf_device *dsaf_dev)
969{
831d828b 970 bool found = false;
511e6bc0 971 int ret;
831d828b
YZZ		 972 u32 port_id;
973 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
511e6bc0 974 struct hns_mac_cb *mac_cb;
831d828b 975 struct fwnode_handle *child;
511e6bc0 976
831d828b 977 device_for_each_child_node(dsaf_dev->dev, child) {
0211b8fb 978 ret = fwnode_property_read_u32(child, "reg", &port_id);
831d828b
YZZ		 979 if (ret) {
980 dev_err(dsaf_dev->dev,
0211b8fb 981 "get reg fail, ret=%d!\n", ret);
831d828b
YZZ		 982 return ret;
983 }
984 if (port_id >= max_port_num) {
985 dev_err(dsaf_dev->dev,
0211b8fb 986 "reg(%u) out of range!\n", port_id);
831d828b
YZZ		 987 return -EINVAL;
988 }
989 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
990 GFP_KERNEL);
991 if (!mac_cb)
992 return -ENOMEM;
993 mac_cb->fw_port = child;
994 mac_cb->mac_id = (u8)port_id;
995 dsaf_dev->mac_cb[port_id] = mac_cb;
996 found = true;
997 }
511e6bc0 998
831d828b
YZZ		 999 /* if don't get any port subnode from dsaf node
1000 * will init all port then, this is compatible with the old dts
1001 */
1002 if (!found) {
1003 for (port_id = 0; port_id < max_port_num; port_id++) {
1004 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1005 GFP_KERNEL);
1006 if (!mac_cb)
1007 return -ENOMEM;
1008
1009 mac_cb->mac_id = port_id;
1010 dsaf_dev->mac_cb[port_id] = mac_cb;
1011 }
1012 }
1013 /* init mac_cb for all port */
1014 for (port_id = 0; port_id < max_port_num; port_id++) {
1015 mac_cb = dsaf_dev->mac_cb[port_id];
1016 if (!mac_cb)
1017 continue;
511e6bc0 1018
831d828b
YZZ		 1019 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1020 if (ret)
1021 return ret;
511e6bc0 1022 ret = hns_mac_init_ex(mac_cb);
1023 if (ret)
831d828b 1024 return ret;
511e6bc0 1025 }
1026
1027 return 0;
511e6bc0 1028}
1029
1030void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1031{
831d828b
YZZ		 1032 int i;
1033 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1034
1035 for (i = 0; i < max_port_num; i++) {
a24274aa 1036 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
831d828b
YZZ		 1037 dsaf_dev->mac_cb[i] = NULL;
1038 }
511e6bc0 1039}
1040
1041int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1042 enum hnae_loop loop, int en)
1043{
1044 int ret;
1045 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1046
1047 if (drv->config_loopback)
1048 ret = drv->config_loopback(drv, loop, en);
1049 else
1050 ret = -ENOTSUPP;
1051
1052 return ret;
1053}
1054
1055void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1056{
1057 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1058
1059 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1060}
1061
1062void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1063{
1064 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1065
1066 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1067}
1068
1069void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1070 int stringset, u8 *data)
1071{
1072 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1073
1074 mac_ctrl_drv->get_strings(stringset, data);
1075}
1076
1077int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1078{
1079 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1080
1081 return mac_ctrl_drv->get_sset_count(stringset);
1082}
1083
d5679849
KY		 1084void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1085{
1086 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1087
1f5fa2dd
KY		 1088 hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1089
d5679849
KY		 1090 if (mac_ctrl_drv->set_promiscuous)
1091 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1092}
1093
511e6bc0 1094int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1095{
1096 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1097
1098 return mac_ctrl_drv->get_regs_count();
1099}
1100
1101void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1102{
1103 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1104
1105 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1106}
1107
1108void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1109{
1110 int nic_data = 0;
1111 int txpkts, rxpkts;
1112
1113 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1114 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1115 if (txpkts || rxpkts)
1116 nic_data = 1;
1117 else
1118 nic_data = 0;
1119 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1120 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
a24274aa 1121 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
511e6bc0 1122 mac_cb->speed, nic_data);
1123}
1124
1125int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1126 enum hnae_led_state status)
1127{
31d4446d 1128 if (!mac_cb || !mac_cb->cpld_ctrl)
511e6bc0 1129 return 0;
1130
a24274aa 1131 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
511e6bc0 1132}
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