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Merge tag 'pwm/for-4.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...
[deliverable/linux.git] / drivers / net / ethernet / hisilicon / hns / hns_dsaf_mac.c
1 /*
2 * Copyright (c) 2014-2015 Hisilicon Limited.
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10 #include <linux/init.h>
11 #include <linux/interrupt.h>
12 #include <linux/kernel.h>
13 #include <linux/mfd/syscon.h>
14 #include <linux/module.h>
15 #include <linux/netdevice.h>
16 #include <linux/of.h>
17 #include <linux/of_address.h>
18 #include <linux/phy_fixed.h>
19 #include <linux/platform_device.h>
20
21 #include "hns_dsaf_main.h"
22 #include "hns_dsaf_misc.h"
23 #include "hns_dsaf_rcb.h"
24
25 #define MAC_EN_FLAG_V 0xada0328
26
27 static const u16 mac_phy_to_speed[] = {
28 [PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
29 [PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
30 [PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
31 [PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
32 [PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
33 [PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
34 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
35 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
36 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
37 [PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
38 [PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
39 };
40
41 static const enum mac_mode g_mac_mode_100[] = {
42 [PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100,
43 [PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100
44 };
45
46 static const enum mac_mode g_mac_mode_1000[] = {
47 [PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000,
48 [PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000,
49 [PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000,
50 [PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000,
51 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000,
52 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
53 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
54 [PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000
55 };
56
57 static enum mac_mode hns_mac_dev_to_enet_if(const struct hns_mac_cb *mac_cb)
58 {
59 switch (mac_cb->max_speed) {
60 case MAC_SPEED_100:
61 return g_mac_mode_100[mac_cb->phy_if];
62 case MAC_SPEED_1000:
63 return g_mac_mode_1000[mac_cb->phy_if];
64 case MAC_SPEED_10000:
65 return MAC_MODE_XGMII_10000;
66 default:
67 return MAC_MODE_MII_100;
68 }
69 }
70
71 static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
72 {
73 switch (mac_cb->max_speed) {
74 case MAC_SPEED_100:
75 return g_mac_mode_100[mac_cb->phy_if];
76 case MAC_SPEED_1000:
77 return g_mac_mode_1000[mac_cb->phy_if];
78 case MAC_SPEED_10000:
79 return MAC_MODE_XGMII_10000;
80 default:
81 return MAC_MODE_MII_100;
82 }
83 }
84
85 void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
86 {
87 struct mac_driver *mac_ctrl_drv;
88 int ret, sfp_prsnt;
89
90 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
91
92 if (mac_ctrl_drv->get_link_status)
93 mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
94 else
95 *link_status = 0;
96
97 ret = hns_mac_get_sfp_prsnt(mac_cb, &sfp_prsnt);
98 if (!ret)
99 *link_status = *link_status && sfp_prsnt;
100
101 mac_cb->link = *link_status;
102 }
103
104 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
105 u8 *auto_neg, u16 *speed, u8 *duplex)
106 {
107 struct mac_driver *mac_ctrl_drv;
108 struct mac_info info;
109
110 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
111
112 if (!mac_ctrl_drv->get_info)
113 return -ENODEV;
114
115 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
116 if (auto_neg)
117 *auto_neg = info.auto_neg;
118 if (speed)
119 *speed = info.speed;
120 if (duplex)
121 *duplex = info.duplex;
122
123 return 0;
124 }
125
126 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
127 {
128 int ret;
129 struct mac_driver *mac_ctrl_drv;
130
131 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
132
133 mac_cb->speed = speed;
134 mac_cb->half_duplex = !duplex;
135 mac_ctrl_drv->mac_mode = hns_mac_dev_to_enet_if(mac_cb);
136
137 if (mac_ctrl_drv->adjust_link) {
138 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
139 (enum mac_speed)speed, duplex);
140 if (ret) {
141 dev_err(mac_cb->dev,
142 "adjust_link failed,%s mac%d ret = %#x!\n",
143 mac_cb->dsaf_dev->ae_dev.name,
144 mac_cb->mac_id, ret);
145 return;
146 }
147 }
148 }
149
150 /**
151 *hns_mac_get_inner_port_num - get mac table inner port number
152 *@mac_cb: mac device
153 *@vmid: vm id
154 *@port_num:port number
155 *
156 */
157 static int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb,
158 u8 vmid, u8 *port_num)
159 {
160 u8 tmp_port;
161
162 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
163 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
164 dev_err(mac_cb->dev,
165 "input invalid,%s mac%d vmid%d !\n",
166 mac_cb->dsaf_dev->ae_dev.name,
167 mac_cb->mac_id, vmid);
168 return -EINVAL;
169 }
170 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
171 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
172 dev_err(mac_cb->dev,
173 "input invalid,%s mac%d vmid%d!\n",
174 mac_cb->dsaf_dev->ae_dev.name,
175 mac_cb->mac_id, vmid);
176 return -EINVAL;
177 }
178 } else {
179 dev_err(mac_cb->dev, "dsaf mode invalid,%s mac%d!\n",
180 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
181 return -EINVAL;
182 }
183
184 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
185 dev_err(mac_cb->dev, "input invalid,%s mac%d vmid%d !\n",
186 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
187 return -EINVAL;
188 }
189
190 switch (mac_cb->dsaf_dev->dsaf_mode) {
191 case DSAF_MODE_ENABLE_FIX:
192 tmp_port = 0;
193 break;
194 case DSAF_MODE_DISABLE_FIX:
195 tmp_port = 0;
196 break;
197 case DSAF_MODE_ENABLE_0VM:
198 case DSAF_MODE_ENABLE_8VM:
199 case DSAF_MODE_ENABLE_16VM:
200 case DSAF_MODE_ENABLE_32VM:
201 case DSAF_MODE_ENABLE_128VM:
202 case DSAF_MODE_DISABLE_2PORT_8VM:
203 case DSAF_MODE_DISABLE_2PORT_16VM:
204 case DSAF_MODE_DISABLE_2PORT_64VM:
205 case DSAF_MODE_DISABLE_6PORT_0VM:
206 case DSAF_MODE_DISABLE_6PORT_2VM:
207 case DSAF_MODE_DISABLE_6PORT_4VM:
208 case DSAF_MODE_DISABLE_6PORT_16VM:
209 tmp_port = vmid;
210 break;
211 default:
212 dev_err(mac_cb->dev, "dsaf mode invalid,%s mac%d!\n",
213 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
214 return -EINVAL;
215 }
216 tmp_port += DSAF_BASE_INNER_PORT_NUM;
217
218 *port_num = tmp_port;
219
220 return 0;
221 }
222
223 /**
224 *hns_mac_change_vf_addr - change vf mac address
225 *@mac_cb: mac device
226 *@vmid: vmid
227 *@addr:mac address
228 */
229 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
230 u32 vmid, char *addr)
231 {
232 int ret;
233 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
234 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
235 struct dsaf_drv_mac_single_dest_entry mac_entry;
236 struct mac_entry_idx *old_entry;
237
238 old_entry = &mac_cb->addr_entry_idx[vmid];
239 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
240 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
241 mac_entry.in_vlan_id = old_entry->vlan_id;
242 mac_entry.in_port_num = mac_cb->mac_id;
243 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
244 &mac_entry.port_num);
245 if (ret)
246 return ret;
247
248 if ((old_entry->valid != 0) &&
249 (memcmp(old_entry->addr,
250 addr, sizeof(mac_entry.addr)) != 0)) {
251 ret = hns_dsaf_del_mac_entry(dsaf_dev,
252 old_entry->vlan_id,
253 mac_cb->mac_id,
254 old_entry->addr);
255 if (ret)
256 return ret;
257 }
258
259 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
260 if (ret)
261 return ret;
262 }
263
264 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
265 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
266
267 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
268 old_entry->valid = 1;
269 return 0;
270 }
271
272 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
273 u32 port_num, char *addr, bool enable)
274 {
275 int ret;
276 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
277 struct dsaf_drv_mac_single_dest_entry mac_entry;
278
279 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
280 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
281 mac_entry.in_vlan_id = 0;/*vlan_id;*/
282 mac_entry.in_port_num = mac_cb->mac_id;
283 mac_entry.port_num = port_num;
284
285 if (!enable)
286 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
287 else
288 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
289 if (ret) {
290 dev_err(dsaf_dev->dev,
291 "set mac mc port failed,%s mac%d ret = %#x!\n",
292 mac_cb->dsaf_dev->ae_dev.name,
293 mac_cb->mac_id, ret);
294 return ret;
295 }
296 }
297
298 return 0;
299 }
300
301 /**
302 *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
303 * address twice
304 *@net_dev: net device
305 *@vfn : vf lan
306 *@mac : mac address
307 *return status
308 */
309 int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
310 {
311 struct mac_entry_idx *old_mac;
312 struct dsaf_device *dsaf_dev;
313 u32 ret;
314
315 dsaf_dev = mac_cb->dsaf_dev;
316
317 if (vfn < DSAF_MAX_VM_NUM) {
318 old_mac = &mac_cb->addr_entry_idx[vfn];
319 } else {
320 dev_err(mac_cb->dev,
321 "vf queue is too large,%s mac%d queue = %#x!\n",
322 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
323 return -EINVAL;
324 }
325
326 if (dsaf_dev) {
327 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
328 mac_cb->mac_id, old_mac->addr);
329 if (ret)
330 return ret;
331
332 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
333 old_mac->valid = 0;
334 }
335
336 return 0;
337 }
338
339 static void hns_mac_param_get(struct mac_params *param,
340 struct hns_mac_cb *mac_cb)
341 {
342 param->vaddr = (void *)mac_cb->vaddr;
343 param->mac_mode = hns_get_enet_interface(mac_cb);
344 memcpy(param->addr, mac_cb->addr_entry_idx[0].addr,
345 MAC_NUM_OCTETS_PER_ADDR);
346 param->mac_id = mac_cb->mac_id;
347 param->dev = mac_cb->dev;
348 }
349
350 /**
351 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
352 *@mac_cb: mac device
353 *@queue: queue number
354 *@en:enable
355 *retuen 0 - success , negative --fail
356 */
357 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
358 u32 port_num, u16 vlan_id, bool enable)
359 {
360 int ret;
361 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
362 u8 addr[MAC_NUM_OCTETS_PER_ADDR]
363 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
364 struct dsaf_drv_mac_single_dest_entry mac_entry;
365
366 /* directy return ok in debug network mode */
367 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
368 return 0;
369
370 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
371 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
372 mac_entry.in_vlan_id = vlan_id;
373 mac_entry.in_port_num = mac_cb->mac_id;
374 mac_entry.port_num = port_num;
375
376 if (!enable)
377 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
378 else
379 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
380 return ret;
381 }
382
383 return 0;
384 }
385
386 /**
387 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
388 *@mac_cb: mac device
389 *@vmid: vm id
390 *@en:enable
391 *retuen 0 - success , negative --fail
392 */
393 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
394 {
395 int ret;
396 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
397 u8 port_num;
398 u8 addr[MAC_NUM_OCTETS_PER_ADDR]
399 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
400 struct mac_entry_idx *uc_mac_entry;
401 struct dsaf_drv_mac_single_dest_entry mac_entry;
402
403 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
404 return 0;
405
406 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
407
408 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
409 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
410 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
411 mac_entry.in_port_num = mac_cb->mac_id;
412 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
413 if (ret)
414 return ret;
415 mac_entry.port_num = port_num;
416
417 if (!enable)
418 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
419 else
420 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
421 return ret;
422 }
423
424 return 0;
425 }
426
427 void hns_mac_reset(struct hns_mac_cb *mac_cb)
428 {
429 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
430 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
431
432 drv->mac_init(drv);
433
434 if (drv->config_max_frame_length)
435 drv->config_max_frame_length(drv, mac_cb->max_frm);
436
437 if (drv->set_tx_auto_pause_frames)
438 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
439
440 if (drv->set_an_mode)
441 drv->set_an_mode(drv, 1);
442
443 if (drv->mac_pausefrm_cfg) {
444 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
445 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
446 else /* mac rx must disable, dsaf pfc close instead of it*/
447 drv->mac_pausefrm_cfg(drv, 0, 1);
448 }
449 }
450
451 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu)
452 {
453 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
454 u32 buf_size = mac_cb->dsaf_dev->buf_size;
455 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
456 u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
457 MAC_MAX_MTU : MAC_MAX_MTU_V2;
458
459 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
460 max_frm = MAC_MAX_MTU_DBG;
461
462 if ((new_mtu < MAC_MIN_MTU) || (new_frm > max_frm) ||
463 (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size))
464 return -EINVAL;
465
466 if (!drv->config_max_frame_length)
467 return -ECHILD;
468
469 /* adjust max frame to be at least the size of a standard frame */
470 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
471 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
472
473 drv->config_max_frame_length(drv, new_frm);
474
475 mac_cb->max_frm = new_frm;
476
477 return 0;
478 }
479
480 void hns_mac_start(struct hns_mac_cb *mac_cb)
481 {
482 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
483
484 /* for virt */
485 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
486 /*plus 1 when the virtual mac has been enabled */
487 mac_drv->virt_dev_num += 1;
488 return;
489 }
490
491 if (mac_drv->mac_enable) {
492 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
493 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
494 }
495 }
496
497 void hns_mac_stop(struct hns_mac_cb *mac_cb)
498 {
499 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
500
501 /*modified for virtualization */
502 if (mac_ctrl_drv->virt_dev_num > 0) {
503 mac_ctrl_drv->virt_dev_num -= 1;
504 if (mac_ctrl_drv->virt_dev_num > 0)
505 return;
506 }
507
508 if (mac_ctrl_drv->mac_disable)
509 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
510 MAC_COMM_MODE_RX_AND_TX);
511
512 mac_ctrl_drv->mac_en_flg = 0;
513 mac_cb->link = 0;
514 cpld_led_reset(mac_cb);
515 }
516
517 /**
518 * hns_mac_get_autoneg - get auto autonegotiation
519 * @mac_cb: mac control block
520 * @enable: enable or not
521 * retuen 0 - success , negative --fail
522 */
523 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
524 {
525 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
526
527 if (mac_ctrl_drv->autoneg_stat)
528 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
529 else
530 *auto_neg = 0;
531 }
532
533 /**
534 * hns_mac_get_pauseparam - set rx & tx pause parameter
535 * @mac_cb: mac control block
536 * @rx_en: rx enable status
537 * @tx_en: tx enable status
538 * retuen 0 - success , negative --fail
539 */
540 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
541 {
542 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
543
544 if (mac_ctrl_drv->get_pause_enable) {
545 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
546 } else {
547 *rx_en = 0;
548 *tx_en = 0;
549 }
550 }
551
552 /**
553 * hns_mac_set_autoneg - set auto autonegotiation
554 * @mac_cb: mac control block
555 * @enable: enable or not
556 * retuen 0 - success , negative --fail
557 */
558 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
559 {
560 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
561
562 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
563 dev_err(mac_cb->dev, "enable autoneg is not allowed!");
564 return -ENOTSUPP;
565 }
566
567 if (mac_ctrl_drv->set_an_mode)
568 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
569
570 return 0;
571 }
572
573 /**
574 * hns_mac_set_autoneg - set rx & tx pause parameter
575 * @mac_cb: mac control block
576 * @rx_en: rx enable or not
577 * @tx_en: tx enable or not
578 * return 0 - success , negative --fail
579 */
580 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
581 {
582 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
583 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
584
585 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
586 if (is_ver1 && (tx_en || rx_en)) {
587 dev_err(mac_cb->dev, "macv1 cann't enable tx/rx_pause!");
588 return -EINVAL;
589 }
590 }
591
592 if (mac_ctrl_drv->mac_pausefrm_cfg)
593 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
594
595 return 0;
596 }
597
598 /**
599 * hns_mac_init_ex - mac init
600 * @mac_cb: mac control block
601 * retuen 0 - success , negative --fail
602 */
603 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
604 {
605 int ret;
606 struct mac_params param;
607 struct mac_driver *drv;
608
609 hns_dsaf_fix_mac_mode(mac_cb);
610
611 memset(&param, 0, sizeof(struct mac_params));
612 hns_mac_param_get(&param, mac_cb);
613
614 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
615 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
616 else
617 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
618
619 if (!drv)
620 return -ENOMEM;
621
622 mac_cb->priv.mac = (void *)drv;
623 hns_mac_reset(mac_cb);
624
625 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
626
627 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
628 if (ret)
629 goto free_mac_drv;
630
631 return 0;
632
633 free_mac_drv:
634 drv->mac_free(mac_cb->priv.mac);
635 mac_cb->priv.mac = NULL;
636
637 return ret;
638 }
639
640 /**
641 *hns_mac_get_info - get mac information from device node
642 *@mac_cb: mac device
643 *@np:device node
644 * return: 0 --success, negative --fail
645 */
646 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
647 {
648 struct device_node *np = mac_cb->dev->of_node;
649 struct regmap *syscon;
650 struct of_phandle_args cpld_args;
651 u32 ret;
652
653 mac_cb->link = false;
654 mac_cb->half_duplex = false;
655 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
656 mac_cb->max_speed = mac_cb->speed;
657
658 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
659 mac_cb->if_support = MAC_GMAC_SUPPORTED;
660 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
661 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
662 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
663 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
664 }
665
666 mac_cb->max_frm = MAC_DEFAULT_MTU;
667 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
668 mac_cb->port_rst_off = mac_cb->mac_id;
669 mac_cb->port_mode_off = 0;
670
671 /* if the dsaf node doesn't contain a port subnode, get phy-handle
672 * from dsaf node
673 */
674 if (!mac_cb->fw_port) {
675 mac_cb->phy_node = of_parse_phandle(np, "phy-handle",
676 mac_cb->mac_id);
677 if (mac_cb->phy_node)
678 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
679 mac_cb->mac_id, mac_cb->phy_node->name);
680 return 0;
681 }
682 if (!is_of_node(mac_cb->fw_port))
683 return -EINVAL;
684 /* parse property from port subnode in dsaf */
685 mac_cb->phy_node = of_parse_phandle(to_of_node(mac_cb->fw_port),
686 "phy-handle", 0);
687 if (mac_cb->phy_node)
688 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
689 mac_cb->mac_id, mac_cb->phy_node->name);
690 syscon = syscon_node_to_regmap(
691 of_parse_phandle(to_of_node(mac_cb->fw_port),
692 "serdes-syscon", 0));
693 if (IS_ERR_OR_NULL(syscon)) {
694 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
695 return -EINVAL;
696 }
697 mac_cb->serdes_ctrl = syscon;
698
699 ret = fwnode_property_read_u32(mac_cb->fw_port,
700 "port-rst-offset",
701 &mac_cb->port_rst_off);
702 if (ret) {
703 dev_dbg(mac_cb->dev,
704 "mac%d port-rst-offset not found, use default value.\n",
705 mac_cb->mac_id);
706 }
707
708 ret = fwnode_property_read_u32(mac_cb->fw_port,
709 "port-mode-offset",
710 &mac_cb->port_mode_off);
711 if (ret) {
712 dev_dbg(mac_cb->dev,
713 "mac%d port-mode-offset not found, use default value.\n",
714 mac_cb->mac_id);
715 }
716
717 ret = of_parse_phandle_with_fixed_args(to_of_node(mac_cb->fw_port),
718 "cpld-syscon", 1, 0, &cpld_args);
719 if (ret) {
720 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
721 mac_cb->mac_id);
722 mac_cb->cpld_ctrl = NULL;
723 } else {
724 syscon = syscon_node_to_regmap(cpld_args.np);
725 if (IS_ERR_OR_NULL(syscon)) {
726 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
727 mac_cb->cpld_ctrl = NULL;
728 } else {
729 mac_cb->cpld_ctrl = syscon;
730 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
731 }
732 }
733
734 return 0;
735 }
736
737 /**
738 * hns_mac_get_mode - get mac mode
739 * @phy_if: phy interface
740 * retuen 0 - gmac, 1 - xgmac , negative --fail
741 */
742 static int hns_mac_get_mode(phy_interface_t phy_if)
743 {
744 switch (phy_if) {
745 case PHY_INTERFACE_MODE_SGMII:
746 return MAC_GMAC_IDX;
747 case PHY_INTERFACE_MODE_XGMII:
748 return MAC_XGMAC_IDX;
749 default:
750 return -EINVAL;
751 }
752 }
753
754 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
755 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
756 {
757 u8 __iomem *base = dsaf_dev->io_base;
758 int mac_id = mac_cb->mac_id;
759
760 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
761 return base + 0x40000 + mac_id * 0x4000 -
762 mac_mode_idx * 0x20000;
763 else
764 return dsaf_dev->ppe_base + 0x1000;
765 }
766
767 /**
768 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
769 * @dsaf_dev: dsa fabric device struct pointer
770 * @mac_cb: mac control block
771 * return 0 - success , negative --fail
772 */
773 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
774 {
775 int ret;
776 u32 mac_mode_idx;
777
778 mac_cb->dsaf_dev = dsaf_dev;
779 mac_cb->dev = dsaf_dev->dev;
780
781 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
782 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
783
784 mac_cb->sfp_prsnt = 0;
785 mac_cb->txpkt_for_led = 0;
786 mac_cb->rxpkt_for_led = 0;
787
788 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
789 mac_cb->mac_type = HNAE_PORT_SERVICE;
790 else
791 mac_cb->mac_type = HNAE_PORT_DEBUG;
792
793 mac_cb->phy_if = hns_mac_get_phy_if(mac_cb);
794
795 ret = hns_mac_get_mode(mac_cb->phy_if);
796 if (ret < 0) {
797 dev_err(dsaf_dev->dev,
798 "hns_mac_get_mode failed,mac%d ret = %#x!\n",
799 mac_cb->mac_id, ret);
800 return ret;
801 }
802 mac_mode_idx = (u32)ret;
803
804 ret = hns_mac_get_info(mac_cb);
805 if (ret)
806 return ret;
807
808 cpld_led_reset(mac_cb);
809 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
810
811 return 0;
812 }
813
814 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
815 {
816 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
817 return 1;
818 else
819 return DSAF_MAX_PORT_NUM;
820 }
821
822 /**
823 * hns_mac_init - init mac
824 * @dsaf_dev: dsa fabric device struct pointer
825 * return 0 - success , negative --fail
826 */
827 int hns_mac_init(struct dsaf_device *dsaf_dev)
828 {
829 bool found = false;
830 int ret;
831 u32 port_id;
832 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
833 struct hns_mac_cb *mac_cb;
834 struct fwnode_handle *child;
835
836 device_for_each_child_node(dsaf_dev->dev, child) {
837 ret = fwnode_property_read_u32(child, "reg", &port_id);
838 if (ret) {
839 dev_err(dsaf_dev->dev,
840 "get reg fail, ret=%d!\n", ret);
841 return ret;
842 }
843 if (port_id >= max_port_num) {
844 dev_err(dsaf_dev->dev,
845 "reg(%u) out of range!\n", port_id);
846 return -EINVAL;
847 }
848 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
849 GFP_KERNEL);
850 if (!mac_cb)
851 return -ENOMEM;
852 mac_cb->fw_port = child;
853 mac_cb->mac_id = (u8)port_id;
854 dsaf_dev->mac_cb[port_id] = mac_cb;
855 found = true;
856 }
857
858 /* if don't get any port subnode from dsaf node
859 * will init all port then, this is compatible with the old dts
860 */
861 if (!found) {
862 for (port_id = 0; port_id < max_port_num; port_id++) {
863 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
864 GFP_KERNEL);
865 if (!mac_cb)
866 return -ENOMEM;
867
868 mac_cb->mac_id = port_id;
869 dsaf_dev->mac_cb[port_id] = mac_cb;
870 }
871 }
872 /* init mac_cb for all port */
873 for (port_id = 0; port_id < max_port_num; port_id++) {
874 mac_cb = dsaf_dev->mac_cb[port_id];
875 if (!mac_cb)
876 continue;
877
878 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
879 if (ret)
880 return ret;
881 ret = hns_mac_init_ex(mac_cb);
882 if (ret)
883 return ret;
884 }
885
886 return 0;
887 }
888
889 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
890 {
891 int i;
892 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
893
894 for (i = 0; i < max_port_num; i++) {
895 cpld_led_reset(dsaf_dev->mac_cb[i]);
896 dsaf_dev->mac_cb[i] = NULL;
897 }
898 }
899
900 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
901 enum hnae_loop loop, int en)
902 {
903 int ret;
904 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
905
906 if (drv->config_loopback)
907 ret = drv->config_loopback(drv, loop, en);
908 else
909 ret = -ENOTSUPP;
910
911 return ret;
912 }
913
914 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
915 {
916 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
917
918 mac_ctrl_drv->update_stats(mac_ctrl_drv);
919 }
920
921 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
922 {
923 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
924
925 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
926 }
927
928 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
929 int stringset, u8 *data)
930 {
931 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
932
933 mac_ctrl_drv->get_strings(stringset, data);
934 }
935
936 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
937 {
938 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
939
940 return mac_ctrl_drv->get_sset_count(stringset);
941 }
942
943 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
944 {
945 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
946
947 if (mac_ctrl_drv->set_promiscuous)
948 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
949 }
950
951 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
952 {
953 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
954
955 return mac_ctrl_drv->get_regs_count();
956 }
957
958 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
959 {
960 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
961
962 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
963 }
964
965 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
966 {
967 int nic_data = 0;
968 int txpkts, rxpkts;
969
970 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
971 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
972 if (txpkts || rxpkts)
973 nic_data = 1;
974 else
975 nic_data = 0;
976 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
977 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
978 hns_cpld_set_led(mac_cb, (int)mac_cb->link,
979 mac_cb->speed, nic_data);
980 }
981
982 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
983 enum hnae_led_state status)
984 {
985 if (!mac_cb || !mac_cb->cpld_ctrl)
986 return 0;
987
988 return cpld_set_led_id(mac_cb, status);
989 }
Linux kernel - Deliverables
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