?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
gpio: rcar: Fix runtime PM imbalance on error
[linux/fpc-iii.git] / drivers / net / ethernet / hisilicon / hns / hns_dsaf_mac.c
blob8aace2de0cc91dd5477ee8b10a2aba65e9e40431
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (c) 2014-2015 Hisilicon Limited.
4 */
5
6 #include <linux/acpi.h>
7 #include <linux/init.h>
8 #include <linux/interrupt.h>
9 #include <linux/kernel.h>
10 #include <linux/mfd/syscon.h>
11 #include <linux/module.h>
12 #include <linux/netdevice.h>
13 #include <linux/of.h>
14 #include <linux/of_address.h>
15 #include <linux/of_mdio.h>
16 #include <linux/phy.h>
17 #include <linux/platform_device.h>
18
19 #include "hns_dsaf_main.h"
20 #include "hns_dsaf_misc.h"
21 #include "hns_dsaf_rcb.h"
22
23 #define MAC_EN_FLAG_V 0xada0328
24
25 static const u16 mac_phy_to_speed[] = {
26 [PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
27 [PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
28 [PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
29 [PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
30 [PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
31 [PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
32 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
33 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
34 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
35 [PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
36 [PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
37 };
38
39 static const enum mac_mode g_mac_mode_100[] = {
40 [PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100,
41 [PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100
42 };
43
44 static const enum mac_mode g_mac_mode_1000[] = {
45 [PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000,
46 [PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000,
47 [PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000,
48 [PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000,
49 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000,
50 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
51 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
52 [PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000
53 };
54
55 static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
56 {
57 switch (mac_cb->max_speed) {
58 case MAC_SPEED_100:
59 return g_mac_mode_100[mac_cb->phy_if];
60 case MAC_SPEED_1000:
61 return g_mac_mode_1000[mac_cb->phy_if];
62 case MAC_SPEED_10000:
63 return MAC_MODE_XGMII_10000;
64 default:
65 return MAC_MODE_MII_100;
66 }
67 }
68
69 void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
70 {
71 struct mac_driver *mac_ctrl_drv;
72 int ret, sfp_prsnt;
73
74 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
75
76 if (mac_ctrl_drv->get_link_status)
77 mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
78 else
79 *link_status = 0;
80
81 if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) {
82 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb,
83 &sfp_prsnt);
84 if (!ret)
85 *link_status = *link_status && sfp_prsnt;
86 }
87
88 mac_cb->link = *link_status;
89 }
90
91 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
92 u8 *auto_neg, u16 *speed, u8 *duplex)
93 {
94 struct mac_driver *mac_ctrl_drv;
95 struct mac_info info;
96
97 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
98
99 if (!mac_ctrl_drv->get_info)
100 return -ENODEV;
101
102 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
103 if (auto_neg)
104 *auto_neg = info.auto_neg;
105 if (speed)
106 *speed = info.speed;
107 if (duplex)
108 *duplex = info.duplex;
109
110 return 0;
111 }
112
113 /**
114 *hns_mac_is_adjust_link - check is need change mac speed and duplex register
115 *@mac_cb: mac device
116 *@speed: phy device speed
117 *@duplex:phy device duplex
118 *
119 */
120 bool hns_mac_need_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
121 {
122 struct mac_driver *mac_ctrl_drv;
123
124 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
125
126 if (mac_ctrl_drv->need_adjust_link)
127 return mac_ctrl_drv->need_adjust_link(mac_ctrl_drv,
128 (enum mac_speed)speed, duplex);
129 else
130 return true;
131 }
132
133 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
134 {
135 int ret;
136 struct mac_driver *mac_ctrl_drv;
137
138 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
139
140 mac_cb->speed = speed;
141 mac_cb->half_duplex = !duplex;
142
143 if (mac_ctrl_drv->adjust_link) {
144 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
145 (enum mac_speed)speed, duplex);
146 if (ret) {
147 dev_err(mac_cb->dev,
148 "adjust_link failed, %s mac%d ret = %#x!\n",
149 mac_cb->dsaf_dev->ae_dev.name,
150 mac_cb->mac_id, ret);
151 return;
152 }
153 }
154 }
155
156 /**
157 *hns_mac_get_inner_port_num - get mac table inner port number
158 *@mac_cb: mac device
159 *@vmid: vm id
160 *@port_num:port number
161 *
162 */
163 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
164 {
165 int q_num_per_vf, vf_num_per_port;
166 int vm_queue_id;
167 u8 tmp_port;
168
169 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
170 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
171 dev_err(mac_cb->dev,
172 "input invalid, %s mac%d vmid%d !\n",
173 mac_cb->dsaf_dev->ae_dev.name,
174 mac_cb->mac_id, vmid);
175 return -EINVAL;
176 }
177 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
178 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
179 dev_err(mac_cb->dev,
180 "input invalid, %s mac%d vmid%d!\n",
181 mac_cb->dsaf_dev->ae_dev.name,
182 mac_cb->mac_id, vmid);
183 return -EINVAL;
184 }
185 } else {
186 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
187 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
188 return -EINVAL;
189 }
190
191 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
192 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
193 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
194 return -EINVAL;
195 }
196
197 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
198 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
199
200 vm_queue_id = vmid * q_num_per_vf +
201 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
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 = vm_queue_id;
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_change_vf_addr - 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 (!HNS_DSAF_IS_DEBUG(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_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
286 const unsigned char *addr)
287 {
288 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
289 struct dsaf_drv_mac_single_dest_entry mac_entry;
290 int ret;
291
292 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
293 return -ENOSPC;
294
295 memset(&mac_entry, 0, sizeof(mac_entry));
296 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
297 mac_entry.in_port_num = mac_cb->mac_id;
298 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
299 if (ret)
300 return ret;
301
302 return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
303 }
304
305 int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
306 const unsigned char *addr)
307 {
308 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
309 struct dsaf_drv_mac_single_dest_entry mac_entry;
310 int ret;
311
312 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
313 return -ENOSPC;
314
315 memset(&mac_entry, 0, sizeof(mac_entry));
316 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
317 mac_entry.in_port_num = mac_cb->mac_id;
318 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
319 if (ret)
320 return ret;
321
322 return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
323 }
324
325 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
326 u32 port_num, char *addr, bool enable)
327 {
328 int ret;
329 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
330 struct dsaf_drv_mac_single_dest_entry mac_entry;
331
332 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
333 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
334 mac_entry.in_vlan_id = 0;/*vlan_id;*/
335 mac_entry.in_port_num = mac_cb->mac_id;
336 mac_entry.port_num = port_num;
337
338 if (!enable)
339 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
340 else
341 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
342 if (ret) {
343 dev_err(dsaf_dev->dev,
344 "set mac mc port failed, %s mac%d ret = %#x!\n",
345 mac_cb->dsaf_dev->ae_dev.name,
346 mac_cb->mac_id, ret);
347 return ret;
348 }
349 }
350
351 return 0;
352 }
353
354 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
355 {
356 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
357 u8 port_num;
358 int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
359
360 if (ret)
361 return ret;
362
363 return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
364 }
365
366 static void hns_mac_param_get(struct mac_params *param,
367 struct hns_mac_cb *mac_cb)
368 {
369 param->vaddr = mac_cb->vaddr;
370 param->mac_mode = hns_get_enet_interface(mac_cb);
371 ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
372 param->mac_id = mac_cb->mac_id;
373 param->dev = mac_cb->dev;
374 }
375
376 /**
377 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
378 *@mac_cb: mac device
379 *@queue: queue number
380 *@en:enable
381 *retuen 0 - success , negative --fail
382 */
383 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
384 u32 port_num, u16 vlan_id, bool enable)
385 {
386 int ret;
387 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
388 struct dsaf_drv_mac_single_dest_entry mac_entry;
389
390 /* directy return ok in debug network mode */
391 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
392 return 0;
393
394 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
395 eth_broadcast_addr(mac_entry.addr);
396 mac_entry.in_vlan_id = vlan_id;
397 mac_entry.in_port_num = mac_cb->mac_id;
398 mac_entry.port_num = port_num;
399
400 if (!enable)
401 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
402 else
403 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
404 return ret;
405 }
406
407 return 0;
408 }
409
410 /**
411 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
412 *@mac_cb: mac device
413 *@vmid: vm id
414 *@en:enable
415 *retuen 0 - success , negative --fail
416 */
417 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
418 {
419 int ret;
420 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
421 u8 port_num;
422 struct mac_entry_idx *uc_mac_entry;
423 struct dsaf_drv_mac_single_dest_entry mac_entry;
424
425 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
426 return 0;
427
428 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
429
430 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
431 eth_broadcast_addr(mac_entry.addr);
432 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
433 mac_entry.in_port_num = mac_cb->mac_id;
434 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
435 if (ret)
436 return ret;
437 mac_entry.port_num = port_num;
438
439 if (!enable)
440 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
441 else
442 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
443 return ret;
444 }
445
446 return 0;
447 }
448
449 int hns_mac_wait_fifo_clean(struct hns_mac_cb *mac_cb)
450 {
451 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
452
453 if (drv->wait_fifo_clean)
454 return drv->wait_fifo_clean(drv);
455
456 return 0;
457 }
458
459 void hns_mac_reset(struct hns_mac_cb *mac_cb)
460 {
461 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
462 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
463
464 drv->mac_init(drv);
465
466 if (drv->config_max_frame_length)
467 drv->config_max_frame_length(drv, mac_cb->max_frm);
468
469 if (drv->set_tx_auto_pause_frames)
470 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
471
472 if (drv->set_an_mode)
473 drv->set_an_mode(drv, 1);
474
475 if (drv->mac_pausefrm_cfg) {
476 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
477 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
478 else /* mac rx must disable, dsaf pfc close instead of it*/
479 drv->mac_pausefrm_cfg(drv, 0, 1);
480 }
481 }
482
483 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
484 {
485 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
486 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
487
488 if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
489 return -EINVAL;
490
491 if (!drv->config_max_frame_length)
492 return -ECHILD;
493
494 /* adjust max frame to be at least the size of a standard frame */
495 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
496 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
497
498 drv->config_max_frame_length(drv, new_frm);
499
500 mac_cb->max_frm = new_frm;
501
502 return 0;
503 }
504
505 void hns_mac_start(struct hns_mac_cb *mac_cb)
506 {
507 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
508
509 /* for virt */
510 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
511 /*plus 1 when the virtual mac has been enabled */
512 mac_drv->virt_dev_num += 1;
513 return;
514 }
515
516 if (mac_drv->mac_enable) {
517 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
518 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
519 }
520 }
521
522 void hns_mac_stop(struct hns_mac_cb *mac_cb)
523 {
524 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
525
526 /*modified for virtualization */
527 if (mac_ctrl_drv->virt_dev_num > 0) {
528 mac_ctrl_drv->virt_dev_num -= 1;
529 if (mac_ctrl_drv->virt_dev_num > 0)
530 return;
531 }
532
533 if (mac_ctrl_drv->mac_disable)
534 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
535 MAC_COMM_MODE_RX_AND_TX);
536
537 mac_ctrl_drv->mac_en_flg = 0;
538 mac_cb->link = 0;
539 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
540 }
541
542 /**
543 * hns_mac_get_autoneg - get auto autonegotiation
544 * @mac_cb: mac control block
545 * @enable: enable or not
546 * retuen 0 - success , negative --fail
547 */
548 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
549 {
550 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
551
552 if (mac_ctrl_drv->autoneg_stat)
553 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
554 else
555 *auto_neg = 0;
556 }
557
558 /**
559 * hns_mac_get_pauseparam - set rx & tx pause parameter
560 * @mac_cb: mac control block
561 * @rx_en: rx enable status
562 * @tx_en: tx enable status
563 * retuen 0 - success , negative --fail
564 */
565 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
566 {
567 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
568
569 if (mac_ctrl_drv->get_pause_enable) {
570 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
571 } else {
572 *rx_en = 0;
573 *tx_en = 0;
574 }
575 }
576
577 /**
578 * hns_mac_set_autoneg - set auto autonegotiation
579 * @mac_cb: mac control block
580 * @enable: enable or not
581 * retuen 0 - success , negative --fail
582 */
583 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
584 {
585 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
586
587 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
588 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
589 return -ENOTSUPP;
590 }
591
592 if (mac_ctrl_drv->set_an_mode)
593 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
594
595 return 0;
596 }
597
598 /**
599 * hns_mac_set_autoneg - set rx & tx pause parameter
600 * @mac_cb: mac control block
601 * @rx_en: rx enable or not
602 * @tx_en: tx enable or not
603 * return 0 - success , negative --fail
604 */
605 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
606 {
607 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
608 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
609
610 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
611 if (is_ver1 && (tx_en || rx_en)) {
612 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
613 return -EINVAL;
614 }
615 }
616
617 if (mac_ctrl_drv->mac_pausefrm_cfg)
618 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
619
620 return 0;
621 }
622
623 /**
624 * hns_mac_init_ex - mac init
625 * @mac_cb: mac control block
626 * retuen 0 - success , negative --fail
627 */
628 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
629 {
630 int ret;
631 struct mac_params param;
632 struct mac_driver *drv;
633
634 hns_dsaf_fix_mac_mode(mac_cb);
635
636 memset(&param, 0, sizeof(struct mac_params));
637 hns_mac_param_get(&param, mac_cb);
638
639 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
640 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
641 else
642 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
643
644 if (!drv)
645 return -ENOMEM;
646
647 mac_cb->priv.mac = (void *)drv;
648 hns_mac_reset(mac_cb);
649
650 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
651
652 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
653 if (ret)
654 goto free_mac_drv;
655
656 return 0;
657
658 free_mac_drv:
659 drv->mac_free(mac_cb->priv.mac);
660 mac_cb->priv.mac = NULL;
661
662 return ret;
663 }
664
665 static int
666 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
667 {
668 u32 addr;
669 int ret;
670
671 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
672 if (ret) {
673 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
674 return ret;
675 }
676
677 if (addr >= PHY_MAX_ADDR) {
678 dev_err(dev, "PHY address %i is too large\n", addr);
679 return -EINVAL;
680 }
681
682 return addr;
683 }
684
685 static int
686 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
687 u32 addr)
688 {
689 struct phy_device *phy;
690 const char *phy_type;
691 bool is_c45;
692 int rc;
693
694 rc = fwnode_property_read_string(mac_cb->fw_port,
695 "phy-mode", &phy_type);
696 if (rc < 0)
697 return rc;
698
699 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
700 is_c45 = 1;
701 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
702 is_c45 = 0;
703 else
704 return -ENODATA;
705
706 phy = get_phy_device(mdio, addr, is_c45);
707 if (!phy || IS_ERR(phy))
708 return -EIO;
709
710 phy->irq = mdio->irq[addr];
711
712 /* All data is now stored in the phy struct;
713 * register it
714 */
715 rc = phy_device_register(phy);
716 if (rc) {
717 phy_device_free(phy);
718 dev_err(&mdio->dev, "registered phy fail at address %i\n",
719 addr);
720 return -ENODEV;
721 }
722
723 mac_cb->phy_dev = phy;
724
725 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
726
727 return 0;
728 }
729
730 static int hns_mac_register_phy(struct hns_mac_cb *mac_cb)
731 {
732 struct fwnode_reference_args args;
733 struct platform_device *pdev;
734 struct mii_bus *mii_bus;
735 int rc;
736 int addr;
737
738 /* Loop over the child nodes and register a phy_device for each one */
739 if (!to_acpi_device_node(mac_cb->fw_port))
740 return -ENODEV;
741
742 rc = acpi_node_get_property_reference(
743 mac_cb->fw_port, "mdio-node", 0, &args);
744 if (rc)
745 return rc;
746 if (!is_acpi_device_node(args.fwnode))
747 return -EINVAL;
748
749 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
750 if (addr < 0)
751 return addr;
752
753 /* dev address in adev */
754 pdev = hns_dsaf_find_platform_device(args.fwnode);
755 if (!pdev) {
756 dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n",
757 mac_cb->mac_id);
758 return -EINVAL;
759 }
760
761 mii_bus = platform_get_drvdata(pdev);
762 if (!mii_bus) {
763 dev_err(mac_cb->dev,
764 "mac%d mdio is NULL, dsaf will probe again later\n",
765 mac_cb->mac_id);
766 return -EPROBE_DEFER;
767 }
768
769 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
770 if (!rc)
771 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
772 mac_cb->mac_id, addr);
773
774 return rc;
775 }
776
777 static void hns_mac_remove_phydev(struct hns_mac_cb *mac_cb)
778 {
779 if (!to_acpi_device_node(mac_cb->fw_port) || !mac_cb->phy_dev)
780 return;
781
782 phy_device_remove(mac_cb->phy_dev);
783 phy_device_free(mac_cb->phy_dev);
784
785 mac_cb->phy_dev = NULL;
786 }
787
788 #define MAC_MEDIA_TYPE_MAX_LEN 16
789
790 static const struct {
791 enum hnae_media_type value;
792 const char *name;
793 } media_type_defs[] = {
794 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
795 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
796 {HNAE_MEDIA_TYPE_COPPER, "copper" },
797 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
798 };
799
800 /**
801 *hns_mac_get_info - get mac information from device node
802 *@mac_cb: mac device
803 *@np:device node
804 * return: 0 --success, negative --fail
805 */
806 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
807 {
808 struct device_node *np;
809 struct regmap *syscon;
810 struct of_phandle_args cpld_args;
811 const char *media_type;
812 u32 i;
813 u32 ret;
814
815 mac_cb->link = false;
816 mac_cb->half_duplex = false;
817 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
818 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
819 mac_cb->max_speed = mac_cb->speed;
820
821 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
822 mac_cb->if_support = MAC_GMAC_SUPPORTED;
823 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
824 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
825 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
826 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
827 }
828
829 mac_cb->max_frm = MAC_DEFAULT_MTU;
830 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
831 mac_cb->port_rst_off = mac_cb->mac_id;
832 mac_cb->port_mode_off = 0;
833
834 /* if the dsaf node doesn't contain a port subnode, get phy-handle
835 * from dsaf node
836 */
837 if (!mac_cb->fw_port) {
838 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
839 mac_cb->mac_id);
840 mac_cb->phy_dev = of_phy_find_device(np);
841 if (mac_cb->phy_dev) {
842 /* refcount is held by of_phy_find_device()
843 * if the phy_dev is found
844 */
845 put_device(&mac_cb->phy_dev->mdio.dev);
846
847 dev_dbg(mac_cb->dev, "mac%d phy_node: %pOFn\n",
848 mac_cb->mac_id, np);
849 }
850 of_node_put(np);
851
852 return 0;
853 }
854
855 if (is_of_node(mac_cb->fw_port)) {
856 /* parse property from port subnode in dsaf */
857 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
858 "phy-handle", 0);
859 mac_cb->phy_dev = of_phy_find_device(np);
860 if (mac_cb->phy_dev) {
861 /* refcount is held by of_phy_find_device()
862 * if the phy_dev is found
863 */
864 put_device(&mac_cb->phy_dev->mdio.dev);
865 dev_dbg(mac_cb->dev, "mac%d phy_node: %pOFn\n",
866 mac_cb->mac_id, np);
867 }
868 of_node_put(np);
869
870 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
871 "serdes-syscon", 0);
872 syscon = syscon_node_to_regmap(np);
873 of_node_put(np);
874 if (IS_ERR_OR_NULL(syscon)) {
875 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
876 return -EINVAL;
877 }
878 mac_cb->serdes_ctrl = syscon;
879
880 ret = fwnode_property_read_u32(mac_cb->fw_port,
881 "port-rst-offset",
882 &mac_cb->port_rst_off);
883 if (ret) {
884 dev_dbg(mac_cb->dev,
885 "mac%d port-rst-offset not found, use default value.\n",
886 mac_cb->mac_id);
887 }
888
889 ret = fwnode_property_read_u32(mac_cb->fw_port,
890 "port-mode-offset",
891 &mac_cb->port_mode_off);
892 if (ret) {
893 dev_dbg(mac_cb->dev,
894 "mac%d port-mode-offset not found, use default value.\n",
895 mac_cb->mac_id);
896 }
897
898 ret = of_parse_phandle_with_fixed_args(
899 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
900 &cpld_args);
901 if (ret) {
902 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
903 mac_cb->mac_id);
904 mac_cb->cpld_ctrl = NULL;
905 } else {
906 syscon = syscon_node_to_regmap(cpld_args.np);
907 if (IS_ERR_OR_NULL(syscon)) {
908 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
909 mac_cb->cpld_ctrl = NULL;
910 } else {
911 mac_cb->cpld_ctrl = syscon;
912 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
913 }
914 }
915 } else if (is_acpi_node(mac_cb->fw_port)) {
916 ret = hns_mac_register_phy(mac_cb);
917 /*
918 * Mac can work well if there is phy or not.If the port don't
919 * connect with phy, the return value will be ignored. Only
920 * when there is phy but can't find mdio bus, the return value
921 * will be handled.
922 */
923 if (ret == -EPROBE_DEFER)
924 return ret;
925 } else {
926 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
927 mac_cb->mac_id);
928 }
929
930 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
931 &media_type)) {
932 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
933 if (!strncmp(media_type_defs[i].name, media_type,
934 MAC_MEDIA_TYPE_MAX_LEN)) {
935 mac_cb->media_type = media_type_defs[i].value;
936 break;
937 }
938 }
939 }
940
941 if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
942 mac_cb->mc_mask, ETH_ALEN)) {
943 dev_warn(mac_cb->dev,
944 "no mc-mac-mask property, set to default value.\n");
945 eth_broadcast_addr(mac_cb->mc_mask);
946 }
947
948 return 0;
949 }
950
951 /**
952 * hns_mac_get_mode - get mac mode
953 * @phy_if: phy interface
954 * retuen 0 - gmac, 1 - xgmac , negative --fail
955 */
956 static int hns_mac_get_mode(phy_interface_t phy_if)
957 {
958 switch (phy_if) {
959 case PHY_INTERFACE_MODE_SGMII:
960 return MAC_GMAC_IDX;
961 case PHY_INTERFACE_MODE_XGMII:
962 return MAC_XGMAC_IDX;
963 default:
964 return -EINVAL;
965 }
966 }
967
968 static u8 __iomem *
969 hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
970 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
971 {
972 u8 __iomem *base = dsaf_dev->io_base;
973 int mac_id = mac_cb->mac_id;
974
975 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
976 return base + 0x40000 + mac_id * 0x4000 -
977 mac_mode_idx * 0x20000;
978 else
979 return dsaf_dev->ppe_base + 0x1000;
980 }
981
982 /**
983 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
984 * @dsaf_dev: dsa fabric device struct pointer
985 * @mac_cb: mac control block
986 * return 0 - success , negative --fail
987 */
988 static int
989 hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
990 {
991 int ret;
992 u32 mac_mode_idx;
993
994 mac_cb->dsaf_dev = dsaf_dev;
995 mac_cb->dev = dsaf_dev->dev;
996
997 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
998 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
999
1000 mac_cb->sfp_prsnt = 0;
1001 mac_cb->txpkt_for_led = 0;
1002 mac_cb->rxpkt_for_led = 0;
1003
1004 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
1005 mac_cb->mac_type = HNAE_PORT_SERVICE;
1006 else
1007 mac_cb->mac_type = HNAE_PORT_DEBUG;
1008
1009 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
1010
1011 ret = hns_mac_get_mode(mac_cb->phy_if);
1012 if (ret < 0) {
1013 dev_err(dsaf_dev->dev,
1014 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
1015 mac_cb->mac_id, ret);
1016 return ret;
1017 }
1018 mac_mode_idx = (u32)ret;
1019
1020 ret = hns_mac_get_info(mac_cb);
1021 if (ret)
1022 return ret;
1023
1024 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
1025 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
1026
1027 return 0;
1028 }
1029
1030 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
1031 {
1032 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
1033 return 1;
1034 else
1035 return DSAF_MAX_PORT_NUM;
1036 }
1037
1038 void hns_mac_enable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
1039 {
1040 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1041
1042 mac_ctrl_drv->mac_enable(mac_cb->priv.mac, mode);
1043 }
1044
1045 void hns_mac_disable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
1046 {
1047 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1048
1049 mac_ctrl_drv->mac_disable(mac_cb->priv.mac, mode);
1050 }
1051
1052 /**
1053 * hns_mac_init - init mac
1054 * @dsaf_dev: dsa fabric device struct pointer
1055 * return 0 - success , negative --fail
1056 */
1057 int hns_mac_init(struct dsaf_device *dsaf_dev)
1058 {
1059 bool found = false;
1060 int ret;
1061 u32 port_id;
1062 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1063 struct hns_mac_cb *mac_cb;
1064 struct fwnode_handle *child;
1065
1066 device_for_each_child_node(dsaf_dev->dev, child) {
1067 ret = fwnode_property_read_u32(child, "reg", &port_id);
1068 if (ret) {
1069 dev_err(dsaf_dev->dev,
1070 "get reg fail, ret=%d!\n", ret);
1071 return ret;
1072 }
1073 if (port_id >= max_port_num) {
1074 dev_err(dsaf_dev->dev,
1075 "reg(%u) out of range!\n", port_id);
1076 return -EINVAL;
1077 }
1078 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1079 GFP_KERNEL);
1080 if (!mac_cb)
1081 return -ENOMEM;
1082 mac_cb->fw_port = child;
1083 mac_cb->mac_id = (u8)port_id;
1084 dsaf_dev->mac_cb[port_id] = mac_cb;
1085 found = true;
1086 }
1087
1088 /* if don't get any port subnode from dsaf node
1089 * will init all port then, this is compatible with the old dts
1090 */
1091 if (!found) {
1092 for (port_id = 0; port_id < max_port_num; port_id++) {
1093 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1094 GFP_KERNEL);
1095 if (!mac_cb)
1096 return -ENOMEM;
1097
1098 mac_cb->mac_id = port_id;
1099 dsaf_dev->mac_cb[port_id] = mac_cb;
1100 }
1101 }
1102
1103 /* init mac_cb for all port */
1104 for (port_id = 0; port_id < max_port_num; port_id++) {
1105 mac_cb = dsaf_dev->mac_cb[port_id];
1106 if (!mac_cb)
1107 continue;
1108
1109 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1110 if (ret)
1111 return ret;
1112
1113 ret = hns_mac_init_ex(mac_cb);
1114 if (ret)
1115 return ret;
1116 }
1117
1118 return 0;
1119 }
1120
1121 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1122 {
1123 int i;
1124 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1125
1126 for (i = 0; i < max_port_num; i++) {
1127 if (!dsaf_dev->mac_cb[i])
1128 continue;
1129
1130 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1131 hns_mac_remove_phydev(dsaf_dev->mac_cb[i]);
1132 dsaf_dev->mac_cb[i] = NULL;
1133 }
1134 }
1135
1136 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1137 enum hnae_loop loop, int en)
1138 {
1139 int ret;
1140 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1141
1142 if (drv->config_loopback)
1143 ret = drv->config_loopback(drv, loop, en);
1144 else
1145 ret = -ENOTSUPP;
1146
1147 return ret;
1148 }
1149
1150 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1151 {
1152 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1153
1154 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1155 }
1156
1157 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1158 {
1159 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1160
1161 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1162 }
1163
1164 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1165 int stringset, u8 *data)
1166 {
1167 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1168
1169 mac_ctrl_drv->get_strings(stringset, data);
1170 }
1171
1172 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1173 {
1174 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1175
1176 return mac_ctrl_drv->get_sset_count(stringset);
1177 }
1178
1179 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1180 {
1181 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1182
1183 hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1184
1185 if (mac_ctrl_drv->set_promiscuous)
1186 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1187 }
1188
1189 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1190 {
1191 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1192
1193 return mac_ctrl_drv->get_regs_count();
1194 }
1195
1196 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1197 {
1198 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1199
1200 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1201 }
1202
1203 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1204 {
1205 int nic_data = 0;
1206 int txpkts, rxpkts;
1207
1208 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1209 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1210 if (txpkts || rxpkts)
1211 nic_data = 1;
1212 else
1213 nic_data = 0;
1214 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1215 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1216 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1217 mac_cb->speed, nic_data);
1218 }
1219
1220 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1221 enum hnae_led_state status)
1222 {
1223 if (!mac_cb)
1224 return 0;
1225
1226 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1227 }
Linux with added FPC-III support