Loading...
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
25static 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
39static 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
44static 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
55static 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
69static u32 hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv)
70{
71#define HNS_MAC_LINK_WAIT_TIME 5
72#define HNS_MAC_LINK_WAIT_CNT 40
73
74 u32 link_status = 0;
75 int i;
76
77 if (!mac_ctrl_drv->get_link_status)
78 return link_status;
79
80 for (i = 0; i < HNS_MAC_LINK_WAIT_CNT; i++) {
81 msleep(HNS_MAC_LINK_WAIT_TIME);
82 mac_ctrl_drv->get_link_status(mac_ctrl_drv, &link_status);
83 if (!link_status)
84 break;
85 }
86
87 return link_status;
88}
89
90void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
91{
92 struct mac_driver *mac_ctrl_drv;
93 int ret, sfp_prsnt;
94
95 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
96
97 if (mac_ctrl_drv->get_link_status)
98 mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
99 else
100 *link_status = 0;
101
102 if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) {
103 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb,
104 &sfp_prsnt);
105 if (!ret)
106 *link_status = *link_status && sfp_prsnt;
107
108 /* for FIBER port, it may have a fake link up.
109 * when the link status changes from down to up, we need to do
110 * anti-shake. the anti-shake time is base on tests.
111 * only FIBER port need to do this.
112 */
113 if (*link_status && !mac_cb->link)
114 *link_status = hns_mac_link_anti_shake(mac_ctrl_drv);
115 }
116
117 mac_cb->link = *link_status;
118}
119
120int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
121 u8 *auto_neg, u16 *speed, u8 *duplex)
122{
123 struct mac_driver *mac_ctrl_drv;
124 struct mac_info info;
125
126 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
127
128 if (!mac_ctrl_drv->get_info)
129 return -ENODEV;
130
131 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
132 if (auto_neg)
133 *auto_neg = info.auto_neg;
134 if (speed)
135 *speed = info.speed;
136 if (duplex)
137 *duplex = info.duplex;
138
139 return 0;
140}
141
142/**
143 *hns_mac_need_adjust_link - check is need change mac speed and duplex register
144 *@mac_cb: mac device
145 *@speed: phy device speed
146 *@duplex:phy device duplex
147 *
148 */
149bool hns_mac_need_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
150{
151 struct mac_driver *mac_ctrl_drv;
152
153 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
154
155 if (mac_ctrl_drv->need_adjust_link)
156 return mac_ctrl_drv->need_adjust_link(mac_ctrl_drv,
157 (enum mac_speed)speed, duplex);
158 else
159 return true;
160}
161
162void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
163{
164 int ret;
165 struct mac_driver *mac_ctrl_drv;
166
167 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
168
169 mac_cb->speed = speed;
170 mac_cb->half_duplex = !duplex;
171
172 if (mac_ctrl_drv->adjust_link) {
173 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
174 (enum mac_speed)speed, duplex);
175 if (ret) {
176 dev_err(mac_cb->dev,
177 "adjust_link failed, %s mac%d ret = %#x!\n",
178 mac_cb->dsaf_dev->ae_dev.name,
179 mac_cb->mac_id, ret);
180 return;
181 }
182 }
183}
184
185/**
186 *hns_mac_get_inner_port_num - get mac table inner port number
187 *@mac_cb: mac device
188 *@vmid: vm id
189 *@port_num:port number
190 *
191 */
192int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
193{
194 int q_num_per_vf, vf_num_per_port;
195 int vm_queue_id;
196 u8 tmp_port;
197
198 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
199 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
200 dev_err(mac_cb->dev,
201 "input invalid, %s mac%d vmid%d !\n",
202 mac_cb->dsaf_dev->ae_dev.name,
203 mac_cb->mac_id, vmid);
204 return -EINVAL;
205 }
206 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
207 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
208 dev_err(mac_cb->dev,
209 "input invalid, %s mac%d vmid%d!\n",
210 mac_cb->dsaf_dev->ae_dev.name,
211 mac_cb->mac_id, vmid);
212 return -EINVAL;
213 }
214 } else {
215 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
216 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
217 return -EINVAL;
218 }
219
220 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
221 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
222 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
223 return -EINVAL;
224 }
225
226 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
227 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
228
229 vm_queue_id = vmid * q_num_per_vf +
230 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
231
232 switch (mac_cb->dsaf_dev->dsaf_mode) {
233 case DSAF_MODE_ENABLE_FIX:
234 tmp_port = 0;
235 break;
236 case DSAF_MODE_DISABLE_FIX:
237 tmp_port = 0;
238 break;
239 case DSAF_MODE_ENABLE_0VM:
240 case DSAF_MODE_ENABLE_8VM:
241 case DSAF_MODE_ENABLE_16VM:
242 case DSAF_MODE_ENABLE_32VM:
243 case DSAF_MODE_ENABLE_128VM:
244 case DSAF_MODE_DISABLE_2PORT_8VM:
245 case DSAF_MODE_DISABLE_2PORT_16VM:
246 case DSAF_MODE_DISABLE_2PORT_64VM:
247 case DSAF_MODE_DISABLE_6PORT_0VM:
248 case DSAF_MODE_DISABLE_6PORT_2VM:
249 case DSAF_MODE_DISABLE_6PORT_4VM:
250 case DSAF_MODE_DISABLE_6PORT_16VM:
251 tmp_port = vm_queue_id;
252 break;
253 default:
254 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
255 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
256 return -EINVAL;
257 }
258 tmp_port += DSAF_BASE_INNER_PORT_NUM;
259
260 *port_num = tmp_port;
261
262 return 0;
263}
264
265/**
266 *hns_mac_change_vf_addr - change vf mac address
267 *@mac_cb: mac device
268 *@vmid: vmid
269 *@addr:mac address
270 */
271int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
272 u32 vmid, const char *addr)
273{
274 int ret;
275 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
276 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
277 struct dsaf_drv_mac_single_dest_entry mac_entry;
278 struct mac_entry_idx *old_entry;
279
280 old_entry = &mac_cb->addr_entry_idx[vmid];
281 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
282 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
283 mac_entry.in_vlan_id = old_entry->vlan_id;
284 mac_entry.in_port_num = mac_cb->mac_id;
285 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
286 &mac_entry.port_num);
287 if (ret)
288 return ret;
289
290 if ((old_entry->valid != 0) &&
291 (memcmp(old_entry->addr,
292 addr, sizeof(mac_entry.addr)) != 0)) {
293 ret = hns_dsaf_del_mac_entry(dsaf_dev,
294 old_entry->vlan_id,
295 mac_cb->mac_id,
296 old_entry->addr);
297 if (ret)
298 return ret;
299 }
300
301 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
302 if (ret)
303 return ret;
304 }
305
306 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
307 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
308
309 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
310 old_entry->valid = 1;
311 return 0;
312}
313
314int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
315 const unsigned char *addr)
316{
317 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
318 struct dsaf_drv_mac_single_dest_entry mac_entry;
319 int ret;
320
321 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
322 return -ENOSPC;
323
324 memset(&mac_entry, 0, sizeof(mac_entry));
325 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
326 mac_entry.in_port_num = mac_cb->mac_id;
327 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
328 if (ret)
329 return ret;
330
331 return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
332}
333
334int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
335 const unsigned char *addr)
336{
337 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
338 struct dsaf_drv_mac_single_dest_entry mac_entry;
339 int ret;
340
341 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
342 return -ENOSPC;
343
344 memset(&mac_entry, 0, sizeof(mac_entry));
345 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
346 mac_entry.in_port_num = mac_cb->mac_id;
347 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
348 if (ret)
349 return ret;
350
351 return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
352}
353
354int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
355 u32 port_num, char *addr, bool enable)
356{
357 int ret;
358 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
359 struct dsaf_drv_mac_single_dest_entry mac_entry;
360
361 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
362 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
363 mac_entry.in_vlan_id = 0;/*vlan_id;*/
364 mac_entry.in_port_num = mac_cb->mac_id;
365 mac_entry.port_num = port_num;
366
367 if (!enable)
368 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
369 else
370 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
371 if (ret) {
372 dev_err(dsaf_dev->dev,
373 "set mac mc port failed, %s mac%d ret = %#x!\n",
374 mac_cb->dsaf_dev->ae_dev.name,
375 mac_cb->mac_id, ret);
376 return ret;
377 }
378 }
379
380 return 0;
381}
382
383int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
384{
385 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
386 u8 port_num;
387 int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
388
389 if (ret)
390 return ret;
391
392 return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
393}
394
395static void hns_mac_param_get(struct mac_params *param,
396 struct hns_mac_cb *mac_cb)
397{
398 param->vaddr = mac_cb->vaddr;
399 param->mac_mode = hns_get_enet_interface(mac_cb);
400 ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
401 param->mac_id = mac_cb->mac_id;
402 param->dev = mac_cb->dev;
403}
404
405/**
406 * hns_mac_port_config_bc_en - set broadcast rx&tx enable
407 * @mac_cb: mac device
408 * @port_num: queue number
409 * @vlan_id: vlan id`
410 * @enable: enable
411 * return 0 - success , negative --fail
412 */
413static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
414 u32 port_num, u16 vlan_id, bool enable)
415{
416 int ret;
417 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
418 struct dsaf_drv_mac_single_dest_entry mac_entry;
419
420 /* directy return ok in debug network mode */
421 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
422 return 0;
423
424 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
425 eth_broadcast_addr(mac_entry.addr);
426 mac_entry.in_vlan_id = vlan_id;
427 mac_entry.in_port_num = mac_cb->mac_id;
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/**
441 * hns_mac_vm_config_bc_en - set broadcast rx&tx enable
442 * @mac_cb: mac device
443 * @vmid: vm id
444 * @enable: enable
445 * return 0 - success , negative --fail
446 */
447int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
448{
449 int ret;
450 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
451 u8 port_num;
452 struct mac_entry_idx *uc_mac_entry;
453 struct dsaf_drv_mac_single_dest_entry mac_entry;
454
455 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
456 return 0;
457
458 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
459
460 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
461 eth_broadcast_addr(mac_entry.addr);
462 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
463 mac_entry.in_port_num = mac_cb->mac_id;
464 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
465 if (ret)
466 return ret;
467 mac_entry.port_num = port_num;
468
469 if (!enable)
470 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
471 else
472 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
473 return ret;
474 }
475
476 return 0;
477}
478
479int hns_mac_wait_fifo_clean(struct hns_mac_cb *mac_cb)
480{
481 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
482
483 if (drv->wait_fifo_clean)
484 return drv->wait_fifo_clean(drv);
485
486 return 0;
487}
488
489void hns_mac_reset(struct hns_mac_cb *mac_cb)
490{
491 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
492 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
493
494 drv->mac_init(drv);
495
496 if (drv->config_max_frame_length)
497 drv->config_max_frame_length(drv, mac_cb->max_frm);
498
499 if (drv->set_tx_auto_pause_frames)
500 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
501
502 if (drv->set_an_mode)
503 drv->set_an_mode(drv, 1);
504
505 if (drv->mac_pausefrm_cfg) {
506 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
507 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
508 else /* mac rx must disable, dsaf pfc close instead of it*/
509 drv->mac_pausefrm_cfg(drv, 0, 1);
510 }
511}
512
513int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
514{
515 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
516 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
517
518 if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
519 return -EINVAL;
520
521 if (!drv->config_max_frame_length)
522 return -ECHILD;
523
524 /* adjust max frame to be at least the size of a standard frame */
525 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
526 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
527
528 drv->config_max_frame_length(drv, new_frm);
529
530 mac_cb->max_frm = new_frm;
531
532 return 0;
533}
534
535void hns_mac_start(struct hns_mac_cb *mac_cb)
536{
537 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
538
539 /* for virt */
540 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
541 /*plus 1 when the virtual mac has been enabled */
542 mac_drv->virt_dev_num += 1;
543 return;
544 }
545
546 if (mac_drv->mac_enable) {
547 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
548 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
549 }
550}
551
552void hns_mac_stop(struct hns_mac_cb *mac_cb)
553{
554 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
555
556 /*modified for virtualization */
557 if (mac_ctrl_drv->virt_dev_num > 0) {
558 mac_ctrl_drv->virt_dev_num -= 1;
559 if (mac_ctrl_drv->virt_dev_num > 0)
560 return;
561 }
562
563 if (mac_ctrl_drv->mac_disable)
564 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
565 MAC_COMM_MODE_RX_AND_TX);
566
567 mac_ctrl_drv->mac_en_flg = 0;
568 mac_cb->link = 0;
569 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
570}
571
572/**
573 * hns_mac_get_autoneg - get auto autonegotiation
574 * @mac_cb: mac control block
575 * @auto_neg: output pointer to autoneg result
576 * return 0 - success , negative --fail
577 */
578void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
579{
580 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
581
582 if (mac_ctrl_drv->autoneg_stat)
583 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
584 else
585 *auto_neg = 0;
586}
587
588/**
589 * hns_mac_get_pauseparam - set rx & tx pause parameter
590 * @mac_cb: mac control block
591 * @rx_en: rx enable status
592 * @tx_en: tx enable status
593 * return 0 - success , negative --fail
594 */
595void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
596{
597 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
598
599 if (mac_ctrl_drv->get_pause_enable) {
600 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
601 } else {
602 *rx_en = 0;
603 *tx_en = 0;
604 }
605}
606
607/**
608 * hns_mac_set_autoneg - set auto autonegotiation
609 * @mac_cb: mac control block
610 * @enable: enable or not
611 * return 0 - success , negative --fail
612 */
613int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
614{
615 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
616
617 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
618 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
619 return -ENOTSUPP;
620 }
621
622 if (mac_ctrl_drv->set_an_mode)
623 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
624
625 return 0;
626}
627
628/**
629 * hns_mac_set_pauseparam - set rx & tx pause parameter
630 * @mac_cb: mac control block
631 * @rx_en: rx enable or not
632 * @tx_en: tx enable or not
633 * return 0 - success , negative --fail
634 */
635int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
636{
637 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
638 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
639
640 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
641 if (is_ver1 && (tx_en || rx_en)) {
642 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
643 return -EINVAL;
644 }
645 }
646
647 if (mac_ctrl_drv->mac_pausefrm_cfg)
648 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
649
650 return 0;
651}
652
653/**
654 * hns_mac_init_ex - mac init
655 * @mac_cb: mac control block
656 * return 0 - success , negative --fail
657 */
658static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
659{
660 int ret;
661 struct mac_params param;
662 struct mac_driver *drv;
663
664 hns_dsaf_fix_mac_mode(mac_cb);
665
666 memset(¶m, 0, sizeof(struct mac_params));
667 hns_mac_param_get(¶m, mac_cb);
668
669 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
670 drv = (struct mac_driver *)hns_gmac_config(mac_cb, ¶m);
671 else
672 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, ¶m);
673
674 if (!drv)
675 return -ENOMEM;
676
677 mac_cb->priv.mac = (void *)drv;
678 hns_mac_reset(mac_cb);
679
680 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
681
682 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
683 if (ret)
684 goto free_mac_drv;
685
686 return 0;
687
688free_mac_drv:
689 drv->mac_free(mac_cb->priv.mac);
690 mac_cb->priv.mac = NULL;
691
692 return ret;
693}
694
695static int
696hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
697{
698 u32 addr;
699 int ret;
700
701 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
702 if (ret) {
703 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
704 return ret;
705 }
706
707 if (addr >= PHY_MAX_ADDR) {
708 dev_err(dev, "PHY address %i is too large\n", addr);
709 return -EINVAL;
710 }
711
712 return addr;
713}
714
715static int
716hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
717 u32 addr)
718{
719 struct phy_device *phy;
720 const char *phy_type;
721 bool is_c45;
722 int rc;
723
724 rc = fwnode_property_read_string(mac_cb->fw_port,
725 "phy-mode", &phy_type);
726 if (rc < 0)
727 return rc;
728
729 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
730 is_c45 = true;
731 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
732 is_c45 = false;
733 else
734 return -ENODATA;
735
736 phy = get_phy_device(mdio, addr, is_c45);
737 if (!phy || IS_ERR(phy))
738 return -EIO;
739
740 phy->irq = mdio->irq[addr];
741
742 /* All data is now stored in the phy struct;
743 * register it
744 */
745 rc = phy_device_register(phy);
746 if (rc) {
747 phy_device_free(phy);
748 dev_err(&mdio->dev, "registered phy fail at address %i\n",
749 addr);
750 return -ENODEV;
751 }
752
753 mac_cb->phy_dev = phy;
754
755 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
756
757 return 0;
758}
759
760static int hns_mac_register_phy(struct hns_mac_cb *mac_cb)
761{
762 struct fwnode_reference_args args;
763 struct platform_device *pdev;
764 struct mii_bus *mii_bus;
765 int rc;
766 int addr;
767
768 /* Loop over the child nodes and register a phy_device for each one */
769 if (!to_acpi_device_node(mac_cb->fw_port))
770 return -ENODEV;
771
772 rc = acpi_node_get_property_reference(
773 mac_cb->fw_port, "mdio-node", 0, &args);
774 if (rc)
775 return rc;
776 if (!is_acpi_device_node(args.fwnode))
777 return -EINVAL;
778
779 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
780 if (addr < 0)
781 return addr;
782
783 /* dev address in adev */
784 pdev = hns_dsaf_find_platform_device(args.fwnode);
785 if (!pdev) {
786 dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n",
787 mac_cb->mac_id);
788 return -EINVAL;
789 }
790
791 mii_bus = platform_get_drvdata(pdev);
792 if (!mii_bus) {
793 dev_err(mac_cb->dev,
794 "mac%d mdio is NULL, dsaf will probe again later\n",
795 mac_cb->mac_id);
796 return -EPROBE_DEFER;
797 }
798
799 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
800 if (!rc)
801 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
802 mac_cb->mac_id, addr);
803
804 return rc;
805}
806
807static void hns_mac_remove_phydev(struct hns_mac_cb *mac_cb)
808{
809 if (!to_acpi_device_node(mac_cb->fw_port) || !mac_cb->phy_dev)
810 return;
811
812 phy_device_remove(mac_cb->phy_dev);
813 phy_device_free(mac_cb->phy_dev);
814
815 mac_cb->phy_dev = NULL;
816}
817
818#define MAC_MEDIA_TYPE_MAX_LEN 16
819
820static const struct {
821 enum hnae_media_type value;
822 const char *name;
823} media_type_defs[] = {
824 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
825 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
826 {HNAE_MEDIA_TYPE_COPPER, "copper" },
827 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
828};
829
830/**
831 *hns_mac_get_info - get mac information from device node
832 *@mac_cb: mac device
833 * return: 0 --success, negative --fail
834 */
835static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
836{
837 struct device_node *np;
838 struct regmap *syscon;
839 struct of_phandle_args cpld_args;
840 const char *media_type;
841 u32 i;
842 u32 ret;
843
844 mac_cb->link = false;
845 mac_cb->half_duplex = false;
846 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
847 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
848 mac_cb->max_speed = mac_cb->speed;
849
850 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
851 mac_cb->if_support = MAC_GMAC_SUPPORTED;
852 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
853 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
854 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
855 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
856 }
857
858 mac_cb->max_frm = MAC_DEFAULT_MTU;
859 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
860 mac_cb->port_rst_off = mac_cb->mac_id;
861 mac_cb->port_mode_off = 0;
862
863 /* if the dsaf node doesn't contain a port subnode, get phy-handle
864 * from dsaf node
865 */
866 if (!mac_cb->fw_port) {
867 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
868 mac_cb->mac_id);
869 mac_cb->phy_dev = of_phy_find_device(np);
870 if (mac_cb->phy_dev) {
871 /* refcount is held by of_phy_find_device()
872 * if the phy_dev is found
873 */
874 put_device(&mac_cb->phy_dev->mdio.dev);
875
876 dev_dbg(mac_cb->dev, "mac%d phy_node: %pOFn\n",
877 mac_cb->mac_id, np);
878 }
879 of_node_put(np);
880
881 return 0;
882 }
883
884 if (is_of_node(mac_cb->fw_port)) {
885 /* parse property from port subnode in dsaf */
886 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
887 "phy-handle", 0);
888 mac_cb->phy_dev = of_phy_find_device(np);
889 if (mac_cb->phy_dev) {
890 /* refcount is held by of_phy_find_device()
891 * if the phy_dev is found
892 */
893 put_device(&mac_cb->phy_dev->mdio.dev);
894 dev_dbg(mac_cb->dev, "mac%d phy_node: %pOFn\n",
895 mac_cb->mac_id, np);
896 }
897 of_node_put(np);
898
899 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
900 "serdes-syscon", 0);
901 syscon = syscon_node_to_regmap(np);
902 of_node_put(np);
903 if (IS_ERR_OR_NULL(syscon)) {
904 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
905 return -EINVAL;
906 }
907 mac_cb->serdes_ctrl = syscon;
908
909 ret = fwnode_property_read_u32(mac_cb->fw_port,
910 "port-rst-offset",
911 &mac_cb->port_rst_off);
912 if (ret) {
913 dev_dbg(mac_cb->dev,
914 "mac%d port-rst-offset not found, use default value.\n",
915 mac_cb->mac_id);
916 }
917
918 ret = fwnode_property_read_u32(mac_cb->fw_port,
919 "port-mode-offset",
920 &mac_cb->port_mode_off);
921 if (ret) {
922 dev_dbg(mac_cb->dev,
923 "mac%d port-mode-offset not found, use default value.\n",
924 mac_cb->mac_id);
925 }
926
927 ret = of_parse_phandle_with_fixed_args(
928 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
929 &cpld_args);
930 if (ret) {
931 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
932 mac_cb->mac_id);
933 mac_cb->cpld_ctrl = NULL;
934 } else {
935 syscon = syscon_node_to_regmap(cpld_args.np);
936 if (IS_ERR_OR_NULL(syscon)) {
937 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
938 mac_cb->cpld_ctrl = NULL;
939 } else {
940 mac_cb->cpld_ctrl = syscon;
941 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
942 }
943 }
944 } else if (is_acpi_node(mac_cb->fw_port)) {
945 ret = hns_mac_register_phy(mac_cb);
946 /* Mac can work well if there is phy or not.If the port don't
947 * connect with phy, the return value will be ignored. Only
948 * when there is phy but can't find mdio bus, the return value
949 * will be handled.
950 */
951 if (ret == -EPROBE_DEFER)
952 return ret;
953 } else {
954 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
955 mac_cb->mac_id);
956 }
957
958 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
959 &media_type)) {
960 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
961 if (!strncmp(media_type_defs[i].name, media_type,
962 MAC_MEDIA_TYPE_MAX_LEN)) {
963 mac_cb->media_type = media_type_defs[i].value;
964 break;
965 }
966 }
967 }
968
969 if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
970 mac_cb->mc_mask, ETH_ALEN)) {
971 dev_warn(mac_cb->dev,
972 "no mc-mac-mask property, set to default value.\n");
973 eth_broadcast_addr(mac_cb->mc_mask);
974 }
975
976 return 0;
977}
978
979/**
980 * hns_mac_get_mode - get mac mode
981 * @phy_if: phy interface
982 * return 0 - gmac, 1 - xgmac , negative --fail
983 */
984static int hns_mac_get_mode(phy_interface_t phy_if)
985{
986 switch (phy_if) {
987 case PHY_INTERFACE_MODE_SGMII:
988 return MAC_GMAC_IDX;
989 case PHY_INTERFACE_MODE_XGMII:
990 return MAC_XGMAC_IDX;
991 default:
992 return -EINVAL;
993 }
994}
995
996static u8 __iomem *
997hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
998 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
999{
1000 u8 __iomem *base = dsaf_dev->io_base;
1001 int mac_id = mac_cb->mac_id;
1002
1003 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
1004 return base + 0x40000 + mac_id * 0x4000 -
1005 mac_mode_idx * 0x20000;
1006 else
1007 return dsaf_dev->ppe_base + 0x1000;
1008}
1009
1010/**
1011 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
1012 * @dsaf_dev: dsa fabric device struct pointer
1013 * @mac_cb: mac control block
1014 * return 0 - success , negative --fail
1015 */
1016static int
1017hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
1018{
1019 int ret;
1020 u32 mac_mode_idx;
1021
1022 mac_cb->dsaf_dev = dsaf_dev;
1023 mac_cb->dev = dsaf_dev->dev;
1024
1025 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
1026 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
1027
1028 mac_cb->sfp_prsnt = 0;
1029 mac_cb->txpkt_for_led = 0;
1030 mac_cb->rxpkt_for_led = 0;
1031
1032 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
1033 mac_cb->mac_type = HNAE_PORT_SERVICE;
1034 else
1035 mac_cb->mac_type = HNAE_PORT_DEBUG;
1036
1037 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
1038
1039 ret = hns_mac_get_mode(mac_cb->phy_if);
1040 if (ret < 0) {
1041 dev_err(dsaf_dev->dev,
1042 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
1043 mac_cb->mac_id, ret);
1044 return ret;
1045 }
1046 mac_mode_idx = (u32)ret;
1047
1048 ret = hns_mac_get_info(mac_cb);
1049 if (ret)
1050 return ret;
1051
1052 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
1053 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
1054
1055 return 0;
1056}
1057
1058static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
1059{
1060 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
1061 return 1;
1062 else
1063 return DSAF_MAX_PORT_NUM;
1064}
1065
1066void hns_mac_enable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
1067{
1068 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1069
1070 mac_ctrl_drv->mac_enable(mac_cb->priv.mac, mode);
1071}
1072
1073void hns_mac_disable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
1074{
1075 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1076
1077 mac_ctrl_drv->mac_disable(mac_cb->priv.mac, mode);
1078}
1079
1080/**
1081 * hns_mac_init - init mac
1082 * @dsaf_dev: dsa fabric device struct pointer
1083 * return 0 - success , negative --fail
1084 */
1085int hns_mac_init(struct dsaf_device *dsaf_dev)
1086{
1087 bool found = false;
1088 int ret;
1089 u32 port_id;
1090 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1091 struct hns_mac_cb *mac_cb;
1092 struct fwnode_handle *child;
1093
1094 device_for_each_child_node(dsaf_dev->dev, child) {
1095 ret = fwnode_property_read_u32(child, "reg", &port_id);
1096 if (ret) {
1097 fwnode_handle_put(child);
1098 dev_err(dsaf_dev->dev,
1099 "get reg fail, ret=%d!\n", ret);
1100 return ret;
1101 }
1102 if (port_id >= max_port_num) {
1103 fwnode_handle_put(child);
1104 dev_err(dsaf_dev->dev,
1105 "reg(%u) out of range!\n", port_id);
1106 return -EINVAL;
1107 }
1108 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1109 GFP_KERNEL);
1110 if (!mac_cb) {
1111 fwnode_handle_put(child);
1112 return -ENOMEM;
1113 }
1114 mac_cb->fw_port = child;
1115 mac_cb->mac_id = (u8)port_id;
1116 dsaf_dev->mac_cb[port_id] = mac_cb;
1117 found = true;
1118 }
1119
1120 /* if don't get any port subnode from dsaf node
1121 * will init all port then, this is compatible with the old dts
1122 */
1123 if (!found) {
1124 for (port_id = 0; port_id < max_port_num; port_id++) {
1125 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1126 GFP_KERNEL);
1127 if (!mac_cb)
1128 return -ENOMEM;
1129
1130 mac_cb->mac_id = port_id;
1131 dsaf_dev->mac_cb[port_id] = mac_cb;
1132 }
1133 }
1134
1135 /* init mac_cb for all port */
1136 for (port_id = 0; port_id < max_port_num; port_id++) {
1137 mac_cb = dsaf_dev->mac_cb[port_id];
1138 if (!mac_cb)
1139 continue;
1140
1141 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1142 if (ret)
1143 return ret;
1144
1145 ret = hns_mac_init_ex(mac_cb);
1146 if (ret)
1147 return ret;
1148 }
1149
1150 return 0;
1151}
1152
1153void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1154{
1155 int i;
1156 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1157
1158 for (i = 0; i < max_port_num; i++) {
1159 if (!dsaf_dev->mac_cb[i])
1160 continue;
1161
1162 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1163 hns_mac_remove_phydev(dsaf_dev->mac_cb[i]);
1164 dsaf_dev->mac_cb[i] = NULL;
1165 }
1166}
1167
1168int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1169 enum hnae_loop loop, int en)
1170{
1171 int ret;
1172 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1173
1174 if (drv->config_loopback)
1175 ret = drv->config_loopback(drv, loop, en);
1176 else
1177 ret = -ENOTSUPP;
1178
1179 return ret;
1180}
1181
1182void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1183{
1184 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1185
1186 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1187}
1188
1189void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1190{
1191 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1192
1193 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1194}
1195
1196void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1197 int stringset, u8 *data)
1198{
1199 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1200
1201 mac_ctrl_drv->get_strings(stringset, data);
1202}
1203
1204int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1205{
1206 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1207
1208 return mac_ctrl_drv->get_sset_count(stringset);
1209}
1210
1211void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1212{
1213 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1214
1215 hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1216
1217 if (mac_ctrl_drv->set_promiscuous)
1218 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1219}
1220
1221int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1222{
1223 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1224
1225 return mac_ctrl_drv->get_regs_count();
1226}
1227
1228void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1229{
1230 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1231
1232 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1233}
1234
1235void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1236{
1237 int nic_data;
1238 int txpkts, rxpkts;
1239
1240 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1241 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1242 if (txpkts || rxpkts)
1243 nic_data = 1;
1244 else
1245 nic_data = 0;
1246 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1247 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1248 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1249 mac_cb->speed, nic_data);
1250}
1251
1252int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1253 enum hnae_led_state status)
1254{
1255 if (!mac_cb)
1256 return 0;
1257
1258 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1259}
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
25static 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
39static 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
44static 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
55static 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
69void 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
91int 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_need_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 */
120bool 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
133void 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 */
163int 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 */
242int 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
285int 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
305int 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
325int 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
354int 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
366static 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_port_config_bc_en - set broadcast rx&tx enable
378 * @mac_cb: mac device
379 * @port_num: queue number
380 * @vlan_id: vlan id`
381 * @enable: enable
382 * return 0 - success , negative --fail
383 */
384static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
385 u32 port_num, u16 vlan_id, bool enable)
386{
387 int ret;
388 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
389 struct dsaf_drv_mac_single_dest_entry mac_entry;
390
391 /* directy return ok in debug network mode */
392 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
393 return 0;
394
395 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
396 eth_broadcast_addr(mac_entry.addr);
397 mac_entry.in_vlan_id = vlan_id;
398 mac_entry.in_port_num = mac_cb->mac_id;
399 mac_entry.port_num = port_num;
400
401 if (!enable)
402 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
403 else
404 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
405 return ret;
406 }
407
408 return 0;
409}
410
411/**
412 * hns_mac_vm_config_bc_en - set broadcast rx&tx enable
413 * @mac_cb: mac device
414 * @vmid: vm id
415 * @enable: enable
416 * return 0 - success , negative --fail
417 */
418int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
419{
420 int ret;
421 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
422 u8 port_num;
423 struct mac_entry_idx *uc_mac_entry;
424 struct dsaf_drv_mac_single_dest_entry mac_entry;
425
426 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
427 return 0;
428
429 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
430
431 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
432 eth_broadcast_addr(mac_entry.addr);
433 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
434 mac_entry.in_port_num = mac_cb->mac_id;
435 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
436 if (ret)
437 return ret;
438 mac_entry.port_num = port_num;
439
440 if (!enable)
441 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
442 else
443 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
444 return ret;
445 }
446
447 return 0;
448}
449
450int hns_mac_wait_fifo_clean(struct hns_mac_cb *mac_cb)
451{
452 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
453
454 if (drv->wait_fifo_clean)
455 return drv->wait_fifo_clean(drv);
456
457 return 0;
458}
459
460void hns_mac_reset(struct hns_mac_cb *mac_cb)
461{
462 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
463 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
464
465 drv->mac_init(drv);
466
467 if (drv->config_max_frame_length)
468 drv->config_max_frame_length(drv, mac_cb->max_frm);
469
470 if (drv->set_tx_auto_pause_frames)
471 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
472
473 if (drv->set_an_mode)
474 drv->set_an_mode(drv, 1);
475
476 if (drv->mac_pausefrm_cfg) {
477 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
478 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
479 else /* mac rx must disable, dsaf pfc close instead of it*/
480 drv->mac_pausefrm_cfg(drv, 0, 1);
481 }
482}
483
484int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
485{
486 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
487 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
488
489 if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
490 return -EINVAL;
491
492 if (!drv->config_max_frame_length)
493 return -ECHILD;
494
495 /* adjust max frame to be at least the size of a standard frame */
496 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
497 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
498
499 drv->config_max_frame_length(drv, new_frm);
500
501 mac_cb->max_frm = new_frm;
502
503 return 0;
504}
505
506void hns_mac_start(struct hns_mac_cb *mac_cb)
507{
508 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
509
510 /* for virt */
511 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
512 /*plus 1 when the virtual mac has been enabled */
513 mac_drv->virt_dev_num += 1;
514 return;
515 }
516
517 if (mac_drv->mac_enable) {
518 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
519 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
520 }
521}
522
523void hns_mac_stop(struct hns_mac_cb *mac_cb)
524{
525 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
526
527 /*modified for virtualization */
528 if (mac_ctrl_drv->virt_dev_num > 0) {
529 mac_ctrl_drv->virt_dev_num -= 1;
530 if (mac_ctrl_drv->virt_dev_num > 0)
531 return;
532 }
533
534 if (mac_ctrl_drv->mac_disable)
535 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
536 MAC_COMM_MODE_RX_AND_TX);
537
538 mac_ctrl_drv->mac_en_flg = 0;
539 mac_cb->link = 0;
540 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
541}
542
543/**
544 * hns_mac_get_autoneg - get auto autonegotiation
545 * @mac_cb: mac control block
546 * @auto_neg: output pointer to autoneg result
547 * return 0 - success , negative --fail
548 */
549void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
550{
551 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
552
553 if (mac_ctrl_drv->autoneg_stat)
554 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
555 else
556 *auto_neg = 0;
557}
558
559/**
560 * hns_mac_get_pauseparam - set rx & tx pause parameter
561 * @mac_cb: mac control block
562 * @rx_en: rx enable status
563 * @tx_en: tx enable status
564 * return 0 - success , negative --fail
565 */
566void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
567{
568 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
569
570 if (mac_ctrl_drv->get_pause_enable) {
571 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
572 } else {
573 *rx_en = 0;
574 *tx_en = 0;
575 }
576}
577
578/**
579 * hns_mac_set_autoneg - set auto autonegotiation
580 * @mac_cb: mac control block
581 * @enable: enable or not
582 * return 0 - success , negative --fail
583 */
584int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
585{
586 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
587
588 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
589 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
590 return -ENOTSUPP;
591 }
592
593 if (mac_ctrl_drv->set_an_mode)
594 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
595
596 return 0;
597}
598
599/**
600 * hns_mac_set_pauseparam - set rx & tx pause parameter
601 * @mac_cb: mac control block
602 * @rx_en: rx enable or not
603 * @tx_en: tx enable or not
604 * return 0 - success , negative --fail
605 */
606int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
607{
608 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
609 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
610
611 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
612 if (is_ver1 && (tx_en || rx_en)) {
613 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
614 return -EINVAL;
615 }
616 }
617
618 if (mac_ctrl_drv->mac_pausefrm_cfg)
619 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
620
621 return 0;
622}
623
624/**
625 * hns_mac_init_ex - mac init
626 * @mac_cb: mac control block
627 * return 0 - success , negative --fail
628 */
629static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
630{
631 int ret;
632 struct mac_params param;
633 struct mac_driver *drv;
634
635 hns_dsaf_fix_mac_mode(mac_cb);
636
637 memset(¶m, 0, sizeof(struct mac_params));
638 hns_mac_param_get(¶m, mac_cb);
639
640 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
641 drv = (struct mac_driver *)hns_gmac_config(mac_cb, ¶m);
642 else
643 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, ¶m);
644
645 if (!drv)
646 return -ENOMEM;
647
648 mac_cb->priv.mac = (void *)drv;
649 hns_mac_reset(mac_cb);
650
651 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
652
653 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
654 if (ret)
655 goto free_mac_drv;
656
657 return 0;
658
659free_mac_drv:
660 drv->mac_free(mac_cb->priv.mac);
661 mac_cb->priv.mac = NULL;
662
663 return ret;
664}
665
666static int
667hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
668{
669 u32 addr;
670 int ret;
671
672 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
673 if (ret) {
674 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
675 return ret;
676 }
677
678 if (addr >= PHY_MAX_ADDR) {
679 dev_err(dev, "PHY address %i is too large\n", addr);
680 return -EINVAL;
681 }
682
683 return addr;
684}
685
686static int
687hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
688 u32 addr)
689{
690 struct phy_device *phy;
691 const char *phy_type;
692 bool is_c45;
693 int rc;
694
695 rc = fwnode_property_read_string(mac_cb->fw_port,
696 "phy-mode", &phy_type);
697 if (rc < 0)
698 return rc;
699
700 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
701 is_c45 = true;
702 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
703 is_c45 = false;
704 else
705 return -ENODATA;
706
707 phy = get_phy_device(mdio, addr, is_c45);
708 if (!phy || IS_ERR(phy))
709 return -EIO;
710
711 phy->irq = mdio->irq[addr];
712
713 /* All data is now stored in the phy struct;
714 * register it
715 */
716 rc = phy_device_register(phy);
717 if (rc) {
718 phy_device_free(phy);
719 dev_err(&mdio->dev, "registered phy fail at address %i\n",
720 addr);
721 return -ENODEV;
722 }
723
724 mac_cb->phy_dev = phy;
725
726 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
727
728 return 0;
729}
730
731static int hns_mac_register_phy(struct hns_mac_cb *mac_cb)
732{
733 struct fwnode_reference_args args;
734 struct platform_device *pdev;
735 struct mii_bus *mii_bus;
736 int rc;
737 int addr;
738
739 /* Loop over the child nodes and register a phy_device for each one */
740 if (!to_acpi_device_node(mac_cb->fw_port))
741 return -ENODEV;
742
743 rc = acpi_node_get_property_reference(
744 mac_cb->fw_port, "mdio-node", 0, &args);
745 if (rc)
746 return rc;
747 if (!is_acpi_device_node(args.fwnode))
748 return -EINVAL;
749
750 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
751 if (addr < 0)
752 return addr;
753
754 /* dev address in adev */
755 pdev = hns_dsaf_find_platform_device(args.fwnode);
756 if (!pdev) {
757 dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n",
758 mac_cb->mac_id);
759 return -EINVAL;
760 }
761
762 mii_bus = platform_get_drvdata(pdev);
763 if (!mii_bus) {
764 dev_err(mac_cb->dev,
765 "mac%d mdio is NULL, dsaf will probe again later\n",
766 mac_cb->mac_id);
767 return -EPROBE_DEFER;
768 }
769
770 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
771 if (!rc)
772 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
773 mac_cb->mac_id, addr);
774
775 return rc;
776}
777
778static void hns_mac_remove_phydev(struct hns_mac_cb *mac_cb)
779{
780 if (!to_acpi_device_node(mac_cb->fw_port) || !mac_cb->phy_dev)
781 return;
782
783 phy_device_remove(mac_cb->phy_dev);
784 phy_device_free(mac_cb->phy_dev);
785
786 mac_cb->phy_dev = NULL;
787}
788
789#define MAC_MEDIA_TYPE_MAX_LEN 16
790
791static const struct {
792 enum hnae_media_type value;
793 const char *name;
794} media_type_defs[] = {
795 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
796 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
797 {HNAE_MEDIA_TYPE_COPPER, "copper" },
798 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
799};
800
801/**
802 *hns_mac_get_info - get mac information from device node
803 *@mac_cb: mac device
804 * return: 0 --success, negative --fail
805 */
806static 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 /* Mac can work well if there is phy or not.If the port don't
918 * connect with phy, the return value will be ignored. Only
919 * when there is phy but can't find mdio bus, the return value
920 * will be handled.
921 */
922 if (ret == -EPROBE_DEFER)
923 return ret;
924 } else {
925 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
926 mac_cb->mac_id);
927 }
928
929 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
930 &media_type)) {
931 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
932 if (!strncmp(media_type_defs[i].name, media_type,
933 MAC_MEDIA_TYPE_MAX_LEN)) {
934 mac_cb->media_type = media_type_defs[i].value;
935 break;
936 }
937 }
938 }
939
940 if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
941 mac_cb->mc_mask, ETH_ALEN)) {
942 dev_warn(mac_cb->dev,
943 "no mc-mac-mask property, set to default value.\n");
944 eth_broadcast_addr(mac_cb->mc_mask);
945 }
946
947 return 0;
948}
949
950/**
951 * hns_mac_get_mode - get mac mode
952 * @phy_if: phy interface
953 * return 0 - gmac, 1 - xgmac , negative --fail
954 */
955static int hns_mac_get_mode(phy_interface_t phy_if)
956{
957 switch (phy_if) {
958 case PHY_INTERFACE_MODE_SGMII:
959 return MAC_GMAC_IDX;
960 case PHY_INTERFACE_MODE_XGMII:
961 return MAC_XGMAC_IDX;
962 default:
963 return -EINVAL;
964 }
965}
966
967static u8 __iomem *
968hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
969 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
970{
971 u8 __iomem *base = dsaf_dev->io_base;
972 int mac_id = mac_cb->mac_id;
973
974 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
975 return base + 0x40000 + mac_id * 0x4000 -
976 mac_mode_idx * 0x20000;
977 else
978 return dsaf_dev->ppe_base + 0x1000;
979}
980
981/**
982 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
983 * @dsaf_dev: dsa fabric device struct pointer
984 * @mac_cb: mac control block
985 * return 0 - success , negative --fail
986 */
987static int
988hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
989{
990 int ret;
991 u32 mac_mode_idx;
992
993 mac_cb->dsaf_dev = dsaf_dev;
994 mac_cb->dev = dsaf_dev->dev;
995
996 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
997 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
998
999 mac_cb->sfp_prsnt = 0;
1000 mac_cb->txpkt_for_led = 0;
1001 mac_cb->rxpkt_for_led = 0;
1002
1003 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
1004 mac_cb->mac_type = HNAE_PORT_SERVICE;
1005 else
1006 mac_cb->mac_type = HNAE_PORT_DEBUG;
1007
1008 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
1009
1010 ret = hns_mac_get_mode(mac_cb->phy_if);
1011 if (ret < 0) {
1012 dev_err(dsaf_dev->dev,
1013 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
1014 mac_cb->mac_id, ret);
1015 return ret;
1016 }
1017 mac_mode_idx = (u32)ret;
1018
1019 ret = hns_mac_get_info(mac_cb);
1020 if (ret)
1021 return ret;
1022
1023 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
1024 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
1025
1026 return 0;
1027}
1028
1029static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
1030{
1031 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
1032 return 1;
1033 else
1034 return DSAF_MAX_PORT_NUM;
1035}
1036
1037void hns_mac_enable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
1038{
1039 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1040
1041 mac_ctrl_drv->mac_enable(mac_cb->priv.mac, mode);
1042}
1043
1044void hns_mac_disable(struct hns_mac_cb *mac_cb, enum mac_commom_mode mode)
1045{
1046 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1047
1048 mac_ctrl_drv->mac_disable(mac_cb->priv.mac, mode);
1049}
1050
1051/**
1052 * hns_mac_init - init mac
1053 * @dsaf_dev: dsa fabric device struct pointer
1054 * return 0 - success , negative --fail
1055 */
1056int hns_mac_init(struct dsaf_device *dsaf_dev)
1057{
1058 bool found = false;
1059 int ret;
1060 u32 port_id;
1061 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1062 struct hns_mac_cb *mac_cb;
1063 struct fwnode_handle *child;
1064
1065 device_for_each_child_node(dsaf_dev->dev, child) {
1066 ret = fwnode_property_read_u32(child, "reg", &port_id);
1067 if (ret) {
1068 dev_err(dsaf_dev->dev,
1069 "get reg fail, ret=%d!\n", ret);
1070 return ret;
1071 }
1072 if (port_id >= max_port_num) {
1073 dev_err(dsaf_dev->dev,
1074 "reg(%u) out of range!\n", port_id);
1075 return -EINVAL;
1076 }
1077 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1078 GFP_KERNEL);
1079 if (!mac_cb)
1080 return -ENOMEM;
1081 mac_cb->fw_port = child;
1082 mac_cb->mac_id = (u8)port_id;
1083 dsaf_dev->mac_cb[port_id] = mac_cb;
1084 found = true;
1085 }
1086
1087 /* if don't get any port subnode from dsaf node
1088 * will init all port then, this is compatible with the old dts
1089 */
1090 if (!found) {
1091 for (port_id = 0; port_id < max_port_num; port_id++) {
1092 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1093 GFP_KERNEL);
1094 if (!mac_cb)
1095 return -ENOMEM;
1096
1097 mac_cb->mac_id = port_id;
1098 dsaf_dev->mac_cb[port_id] = mac_cb;
1099 }
1100 }
1101
1102 /* init mac_cb for all port */
1103 for (port_id = 0; port_id < max_port_num; port_id++) {
1104 mac_cb = dsaf_dev->mac_cb[port_id];
1105 if (!mac_cb)
1106 continue;
1107
1108 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1109 if (ret)
1110 return ret;
1111
1112 ret = hns_mac_init_ex(mac_cb);
1113 if (ret)
1114 return ret;
1115 }
1116
1117 return 0;
1118}
1119
1120void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1121{
1122 int i;
1123 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1124
1125 for (i = 0; i < max_port_num; i++) {
1126 if (!dsaf_dev->mac_cb[i])
1127 continue;
1128
1129 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1130 hns_mac_remove_phydev(dsaf_dev->mac_cb[i]);
1131 dsaf_dev->mac_cb[i] = NULL;
1132 }
1133}
1134
1135int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1136 enum hnae_loop loop, int en)
1137{
1138 int ret;
1139 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1140
1141 if (drv->config_loopback)
1142 ret = drv->config_loopback(drv, loop, en);
1143 else
1144 ret = -ENOTSUPP;
1145
1146 return ret;
1147}
1148
1149void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1150{
1151 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1152
1153 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1154}
1155
1156void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1157{
1158 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1159
1160 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1161}
1162
1163void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1164 int stringset, u8 *data)
1165{
1166 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1167
1168 mac_ctrl_drv->get_strings(stringset, data);
1169}
1170
1171int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1172{
1173 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1174
1175 return mac_ctrl_drv->get_sset_count(stringset);
1176}
1177
1178void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1179{
1180 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1181
1182 hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1183
1184 if (mac_ctrl_drv->set_promiscuous)
1185 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1186}
1187
1188int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1189{
1190 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1191
1192 return mac_ctrl_drv->get_regs_count();
1193}
1194
1195void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1196{
1197 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1198
1199 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1200}
1201
1202void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1203{
1204 int nic_data;
1205 int txpkts, rxpkts;
1206
1207 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1208 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1209 if (txpkts || rxpkts)
1210 nic_data = 1;
1211 else
1212 nic_data = 0;
1213 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1214 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1215 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1216 mac_cb->speed, nic_data);
1217}
1218
1219int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1220 enum hnae_led_state status)
1221{
1222 if (!mac_cb)
1223 return 0;
1224
1225 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1226}