?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
hwrng: core - Don't use a stack buffer in add_early_randomness()
[linux/fpc-iii.git] / drivers / net / ethernet / hisilicon / hns / hns_dsaf_mac.c
blobec8c738af726323e92c2416a639806462f0bfe4b
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/acpi.h>
11 #include <linux/init.h>
12 #include <linux/interrupt.h>
13 #include <linux/kernel.h>
14 #include <linux/mfd/syscon.h>
15 #include <linux/module.h>
16 #include <linux/netdevice.h>
17 #include <linux/of.h>
18 #include <linux/of_address.h>
19 #include <linux/of_mdio.h>
20 #include <linux/phy.h>
21 #include <linux/platform_device.h>
22
23 #include "hns_dsaf_main.h"
24 #include "hns_dsaf_misc.h"
25 #include "hns_dsaf_rcb.h"
26
27 #define MAC_EN_FLAG_V 0xada0328
28
29 static const u16 mac_phy_to_speed[] = {
30 [PHY_INTERFACE_MODE_MII] = MAC_SPEED_100,
31 [PHY_INTERFACE_MODE_GMII] = MAC_SPEED_1000,
32 [PHY_INTERFACE_MODE_SGMII] = MAC_SPEED_1000,
33 [PHY_INTERFACE_MODE_TBI] = MAC_SPEED_1000,
34 [PHY_INTERFACE_MODE_RMII] = MAC_SPEED_100,
35 [PHY_INTERFACE_MODE_RGMII] = MAC_SPEED_1000,
36 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_SPEED_1000,
37 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_SPEED_1000,
38 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_SPEED_1000,
39 [PHY_INTERFACE_MODE_RTBI] = MAC_SPEED_1000,
40 [PHY_INTERFACE_MODE_XGMII] = MAC_SPEED_10000
41 };
42
43 static const enum mac_mode g_mac_mode_100[] = {
44 [PHY_INTERFACE_MODE_MII] = MAC_MODE_MII_100,
45 [PHY_INTERFACE_MODE_RMII] = MAC_MODE_RMII_100
46 };
47
48 static const enum mac_mode g_mac_mode_1000[] = {
49 [PHY_INTERFACE_MODE_GMII] = MAC_MODE_GMII_1000,
50 [PHY_INTERFACE_MODE_SGMII] = MAC_MODE_SGMII_1000,
51 [PHY_INTERFACE_MODE_TBI] = MAC_MODE_TBI_1000,
52 [PHY_INTERFACE_MODE_RGMII] = MAC_MODE_RGMII_1000,
53 [PHY_INTERFACE_MODE_RGMII_ID] = MAC_MODE_RGMII_1000,
54 [PHY_INTERFACE_MODE_RGMII_RXID] = MAC_MODE_RGMII_1000,
55 [PHY_INTERFACE_MODE_RGMII_TXID] = MAC_MODE_RGMII_1000,
56 [PHY_INTERFACE_MODE_RTBI] = MAC_MODE_RTBI_1000
57 };
58
59 static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb)
60 {
61 switch (mac_cb->max_speed) {
62 case MAC_SPEED_100:
63 return g_mac_mode_100[mac_cb->phy_if];
64 case MAC_SPEED_1000:
65 return g_mac_mode_1000[mac_cb->phy_if];
66 case MAC_SPEED_10000:
67 return MAC_MODE_XGMII_10000;
68 default:
69 return MAC_MODE_MII_100;
70 }
71 }
72
73 void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status)
74 {
75 struct mac_driver *mac_ctrl_drv;
76 int ret, sfp_prsnt;
77
78 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
79
80 if (mac_ctrl_drv->get_link_status)
81 mac_ctrl_drv->get_link_status(mac_ctrl_drv, link_status);
82 else
83 *link_status = 0;
84
85 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb, &sfp_prsnt);
86 if (!ret)
87 *link_status = *link_status && sfp_prsnt;
88
89 mac_cb->link = *link_status;
90 }
91
92 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
93 u8 *auto_neg, u16 *speed, u8 *duplex)
94 {
95 struct mac_driver *mac_ctrl_drv;
96 struct mac_info info;
97
98 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
99
100 if (!mac_ctrl_drv->get_info)
101 return -ENODEV;
102
103 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
104 if (auto_neg)
105 *auto_neg = info.auto_neg;
106 if (speed)
107 *speed = info.speed;
108 if (duplex)
109 *duplex = info.duplex;
110
111 return 0;
112 }
113
114 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
115 {
116 int ret;
117 struct mac_driver *mac_ctrl_drv;
118
119 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
120
121 mac_cb->speed = speed;
122 mac_cb->half_duplex = !duplex;
123
124 if (mac_ctrl_drv->adjust_link) {
125 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
126 (enum mac_speed)speed, duplex);
127 if (ret) {
128 dev_err(mac_cb->dev,
129 "adjust_link failed, %s mac%d ret = %#x!\n",
130 mac_cb->dsaf_dev->ae_dev.name,
131 mac_cb->mac_id, ret);
132 return;
133 }
134 }
135 }
136
137 /**
138 *hns_mac_get_inner_port_num - get mac table inner port number
139 *@mac_cb: mac device
140 *@vmid: vm id
141 *@port_num:port number
142 *
143 */
144 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
145 {
146 int q_num_per_vf, vf_num_per_port;
147 int vm_queue_id;
148 u8 tmp_port;
149
150 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
151 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
152 dev_err(mac_cb->dev,
153 "input invalid, %s mac%d vmid%d !\n",
154 mac_cb->dsaf_dev->ae_dev.name,
155 mac_cb->mac_id, vmid);
156 return -EINVAL;
157 }
158 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
159 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
160 dev_err(mac_cb->dev,
161 "input invalid, %s mac%d vmid%d!\n",
162 mac_cb->dsaf_dev->ae_dev.name,
163 mac_cb->mac_id, vmid);
164 return -EINVAL;
165 }
166 } else {
167 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
168 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
169 return -EINVAL;
170 }
171
172 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
173 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
174 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
175 return -EINVAL;
176 }
177
178 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
179 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
180
181 vm_queue_id = vmid * q_num_per_vf +
182 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
183
184 switch (mac_cb->dsaf_dev->dsaf_mode) {
185 case DSAF_MODE_ENABLE_FIX:
186 tmp_port = 0;
187 break;
188 case DSAF_MODE_DISABLE_FIX:
189 tmp_port = 0;
190 break;
191 case DSAF_MODE_ENABLE_0VM:
192 case DSAF_MODE_ENABLE_8VM:
193 case DSAF_MODE_ENABLE_16VM:
194 case DSAF_MODE_ENABLE_32VM:
195 case DSAF_MODE_ENABLE_128VM:
196 case DSAF_MODE_DISABLE_2PORT_8VM:
197 case DSAF_MODE_DISABLE_2PORT_16VM:
198 case DSAF_MODE_DISABLE_2PORT_64VM:
199 case DSAF_MODE_DISABLE_6PORT_0VM:
200 case DSAF_MODE_DISABLE_6PORT_2VM:
201 case DSAF_MODE_DISABLE_6PORT_4VM:
202 case DSAF_MODE_DISABLE_6PORT_16VM:
203 tmp_port = vm_queue_id;
204 break;
205 default:
206 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
207 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
208 return -EINVAL;
209 }
210 tmp_port += DSAF_BASE_INNER_PORT_NUM;
211
212 *port_num = tmp_port;
213
214 return 0;
215 }
216
217 /**
218 *hns_mac_change_vf_addr - change vf mac address
219 *@mac_cb: mac device
220 *@vmid: vmid
221 *@addr:mac address
222 */
223 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
224 u32 vmid, char *addr)
225 {
226 int ret;
227 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
228 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
229 struct dsaf_drv_mac_single_dest_entry mac_entry;
230 struct mac_entry_idx *old_entry;
231
232 old_entry = &mac_cb->addr_entry_idx[vmid];
233 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
234 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
235 mac_entry.in_vlan_id = old_entry->vlan_id;
236 mac_entry.in_port_num = mac_cb->mac_id;
237 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
238 &mac_entry.port_num);
239 if (ret)
240 return ret;
241
242 if ((old_entry->valid != 0) &&
243 (memcmp(old_entry->addr,
244 addr, sizeof(mac_entry.addr)) != 0)) {
245 ret = hns_dsaf_del_mac_entry(dsaf_dev,
246 old_entry->vlan_id,
247 mac_cb->mac_id,
248 old_entry->addr);
249 if (ret)
250 return ret;
251 }
252
253 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
254 if (ret)
255 return ret;
256 }
257
258 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
259 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
260
261 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
262 old_entry->valid = 1;
263 return 0;
264 }
265
266 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
267 u32 port_num, char *addr, bool enable)
268 {
269 int ret;
270 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
271 struct dsaf_drv_mac_single_dest_entry mac_entry;
272
273 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
274 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
275 mac_entry.in_vlan_id = 0;/*vlan_id;*/
276 mac_entry.in_port_num = mac_cb->mac_id;
277 mac_entry.port_num = port_num;
278
279 if (!enable)
280 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
281 else
282 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
283 if (ret) {
284 dev_err(dsaf_dev->dev,
285 "set mac mc port failed, %s mac%d ret = %#x!\n",
286 mac_cb->dsaf_dev->ae_dev.name,
287 mac_cb->mac_id, ret);
288 return ret;
289 }
290 }
291
292 return 0;
293 }
294
295 /**
296 *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
297 * address twice
298 *@net_dev: net device
299 *@vfn : vf lan
300 *@mac : mac address
301 *return status
302 */
303 int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
304 {
305 struct mac_entry_idx *old_mac;
306 struct dsaf_device *dsaf_dev;
307 u32 ret;
308
309 dsaf_dev = mac_cb->dsaf_dev;
310
311 if (vfn < DSAF_MAX_VM_NUM) {
312 old_mac = &mac_cb->addr_entry_idx[vfn];
313 } else {
314 dev_err(mac_cb->dev,
315 "vf queue is too large, %s mac%d queue = %#x!\n",
316 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
317 return -EINVAL;
318 }
319
320 if (dsaf_dev) {
321 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
322 mac_cb->mac_id, old_mac->addr);
323 if (ret)
324 return ret;
325
326 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
327 old_mac->valid = 0;
328 }
329
330 return 0;
331 }
332
333 static void hns_mac_param_get(struct mac_params *param,
334 struct hns_mac_cb *mac_cb)
335 {
336 param->vaddr = (void *)mac_cb->vaddr;
337 param->mac_mode = hns_get_enet_interface(mac_cb);
338 memcpy(param->addr, mac_cb->addr_entry_idx[0].addr,
339 MAC_NUM_OCTETS_PER_ADDR);
340 param->mac_id = mac_cb->mac_id;
341 param->dev = mac_cb->dev;
342 }
343
344 /**
345 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
346 *@mac_cb: mac device
347 *@queue: queue number
348 *@en:enable
349 *retuen 0 - success , negative --fail
350 */
351 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
352 u32 port_num, u16 vlan_id, bool enable)
353 {
354 int ret;
355 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
356 u8 addr[MAC_NUM_OCTETS_PER_ADDR]
357 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
358 struct dsaf_drv_mac_single_dest_entry mac_entry;
359
360 /* directy return ok in debug network mode */
361 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
362 return 0;
363
364 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
365 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
366 mac_entry.in_vlan_id = vlan_id;
367 mac_entry.in_port_num = mac_cb->mac_id;
368 mac_entry.port_num = port_num;
369
370 if (!enable)
371 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
372 else
373 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
374 return ret;
375 }
376
377 return 0;
378 }
379
380 /**
381 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
382 *@mac_cb: mac device
383 *@vmid: vm id
384 *@en:enable
385 *retuen 0 - success , negative --fail
386 */
387 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
388 {
389 int ret;
390 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
391 u8 port_num;
392 u8 addr[MAC_NUM_OCTETS_PER_ADDR]
393 = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
394 struct mac_entry_idx *uc_mac_entry;
395 struct dsaf_drv_mac_single_dest_entry mac_entry;
396
397 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
398 return 0;
399
400 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
401
402 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
403 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
404 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
405 mac_entry.in_port_num = mac_cb->mac_id;
406 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
407 if (ret)
408 return ret;
409 mac_entry.port_num = port_num;
410
411 if (!enable)
412 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
413 else
414 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
415 return ret;
416 }
417
418 return 0;
419 }
420
421 void hns_mac_reset(struct hns_mac_cb *mac_cb)
422 {
423 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
424 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
425
426 drv->mac_init(drv);
427
428 if (drv->config_max_frame_length)
429 drv->config_max_frame_length(drv, mac_cb->max_frm);
430
431 if (drv->set_tx_auto_pause_frames)
432 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
433
434 if (drv->set_an_mode)
435 drv->set_an_mode(drv, 1);
436
437 if (drv->mac_pausefrm_cfg) {
438 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
439 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
440 else /* mac rx must disable, dsaf pfc close instead of it*/
441 drv->mac_pausefrm_cfg(drv, 0, 1);
442 }
443 }
444
445 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu)
446 {
447 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
448 u32 buf_size = mac_cb->dsaf_dev->buf_size;
449 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
450 u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
451 MAC_MAX_MTU : MAC_MAX_MTU_V2;
452
453 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
454 max_frm = MAC_MAX_MTU_DBG;
455
456 if ((new_mtu < MAC_MIN_MTU) || (new_frm > max_frm) ||
457 (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size))
458 return -EINVAL;
459
460 if (!drv->config_max_frame_length)
461 return -ECHILD;
462
463 /* adjust max frame to be at least the size of a standard frame */
464 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
465 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
466
467 drv->config_max_frame_length(drv, new_frm);
468
469 mac_cb->max_frm = new_frm;
470
471 return 0;
472 }
473
474 void hns_mac_start(struct hns_mac_cb *mac_cb)
475 {
476 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
477
478 /* for virt */
479 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
480 /*plus 1 when the virtual mac has been enabled */
481 mac_drv->virt_dev_num += 1;
482 return;
483 }
484
485 if (mac_drv->mac_enable) {
486 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
487 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
488 }
489 }
490
491 void hns_mac_stop(struct hns_mac_cb *mac_cb)
492 {
493 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
494
495 /*modified for virtualization */
496 if (mac_ctrl_drv->virt_dev_num > 0) {
497 mac_ctrl_drv->virt_dev_num -= 1;
498 if (mac_ctrl_drv->virt_dev_num > 0)
499 return;
500 }
501
502 if (mac_ctrl_drv->mac_disable)
503 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
504 MAC_COMM_MODE_RX_AND_TX);
505
506 mac_ctrl_drv->mac_en_flg = 0;
507 mac_cb->link = 0;
508 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
509 }
510
511 /**
512 * hns_mac_get_autoneg - get auto autonegotiation
513 * @mac_cb: mac control block
514 * @enable: enable or not
515 * retuen 0 - success , negative --fail
516 */
517 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
518 {
519 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
520
521 if (mac_ctrl_drv->autoneg_stat)
522 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
523 else
524 *auto_neg = 0;
525 }
526
527 /**
528 * hns_mac_get_pauseparam - set rx & tx pause parameter
529 * @mac_cb: mac control block
530 * @rx_en: rx enable status
531 * @tx_en: tx enable status
532 * retuen 0 - success , negative --fail
533 */
534 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
535 {
536 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
537
538 if (mac_ctrl_drv->get_pause_enable) {
539 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
540 } else {
541 *rx_en = 0;
542 *tx_en = 0;
543 }
544 }
545
546 /**
547 * hns_mac_set_autoneg - set auto autonegotiation
548 * @mac_cb: mac control block
549 * @enable: enable or not
550 * retuen 0 - success , negative --fail
551 */
552 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
553 {
554 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
555
556 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
557 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
558 return -ENOTSUPP;
559 }
560
561 if (mac_ctrl_drv->set_an_mode)
562 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
563
564 return 0;
565 }
566
567 /**
568 * hns_mac_set_autoneg - set rx & tx pause parameter
569 * @mac_cb: mac control block
570 * @rx_en: rx enable or not
571 * @tx_en: tx enable or not
572 * return 0 - success , negative --fail
573 */
574 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
575 {
576 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
577 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
578
579 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
580 if (is_ver1 && (tx_en || rx_en)) {
581 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
582 return -EINVAL;
583 }
584 }
585
586 if (mac_ctrl_drv->mac_pausefrm_cfg)
587 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
588
589 return 0;
590 }
591
592 /**
593 * hns_mac_init_ex - mac init
594 * @mac_cb: mac control block
595 * retuen 0 - success , negative --fail
596 */
597 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
598 {
599 int ret;
600 struct mac_params param;
601 struct mac_driver *drv;
602
603 hns_dsaf_fix_mac_mode(mac_cb);
604
605 memset(&param, 0, sizeof(struct mac_params));
606 hns_mac_param_get(&param, mac_cb);
607
608 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
609 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
610 else
611 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
612
613 if (!drv)
614 return -ENOMEM;
615
616 mac_cb->priv.mac = (void *)drv;
617 hns_mac_reset(mac_cb);
618
619 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
620
621 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
622 if (ret)
623 goto free_mac_drv;
624
625 return 0;
626
627 free_mac_drv:
628 drv->mac_free(mac_cb->priv.mac);
629 mac_cb->priv.mac = NULL;
630
631 return ret;
632 }
633
634 static int
635 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
636 {
637 u32 addr;
638 int ret;
639
640 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
641 if (ret) {
642 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
643 return ret;
644 }
645
646 if (addr >= PHY_MAX_ADDR) {
647 dev_err(dev, "PHY address %i is too large\n", addr);
648 return -EINVAL;
649 }
650
651 return addr;
652 }
653
654 static int
655 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
656 u32 addr)
657 {
658 struct phy_device *phy;
659 const char *phy_type;
660 bool is_c45;
661 int rc;
662
663 rc = fwnode_property_read_string(mac_cb->fw_port,
664 "phy-mode", &phy_type);
665 if (rc < 0)
666 return rc;
667
668 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
669 is_c45 = 1;
670 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
671 is_c45 = 0;
672 else
673 return -ENODATA;
674
675 phy = get_phy_device(mdio, addr, is_c45);
676 if (!phy || IS_ERR(phy))
677 return -EIO;
678
679 phy->irq = mdio->irq[addr];
680
681 /* All data is now stored in the phy struct;
682 * register it
683 */
684 rc = phy_device_register(phy);
685 if (rc) {
686 phy_device_free(phy);
687 return -ENODEV;
688 }
689
690 mac_cb->phy_dev = phy;
691
692 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
693
694 return 0;
695 }
696
697 static void hns_mac_register_phy(struct hns_mac_cb *mac_cb)
698 {
699 struct acpi_reference_args args;
700 struct platform_device *pdev;
701 struct mii_bus *mii_bus;
702 int rc;
703 int addr;
704
705 /* Loop over the child nodes and register a phy_device for each one */
706 if (!to_acpi_device_node(mac_cb->fw_port))
707 return;
708
709 rc = acpi_node_get_property_reference(
710 mac_cb->fw_port, "mdio-node", 0, &args);
711 if (rc)
712 return;
713
714 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
715 if (addr < 0)
716 return;
717
718 /* dev address in adev */
719 pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
720 mii_bus = platform_get_drvdata(pdev);
721 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
722 if (!rc)
723 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
724 mac_cb->mac_id, addr);
725 }
726
727 #define MAC_MEDIA_TYPE_MAX_LEN 16
728
729 static const struct {
730 enum hnae_media_type value;
731 const char *name;
732 } media_type_defs[] = {
733 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
734 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
735 {HNAE_MEDIA_TYPE_COPPER, "copper" },
736 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
737 };
738
739 /**
740 *hns_mac_get_info - get mac information from device node
741 *@mac_cb: mac device
742 *@np:device node
743 * return: 0 --success, negative --fail
744 */
745 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
746 {
747 struct device_node *np;
748 struct regmap *syscon;
749 struct of_phandle_args cpld_args;
750 const char *media_type;
751 u32 i;
752 u32 ret;
753
754 mac_cb->link = false;
755 mac_cb->half_duplex = false;
756 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
757 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
758 mac_cb->max_speed = mac_cb->speed;
759
760 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
761 mac_cb->if_support = MAC_GMAC_SUPPORTED;
762 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
763 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
764 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
765 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
766 }
767
768 mac_cb->max_frm = MAC_DEFAULT_MTU;
769 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
770 mac_cb->port_rst_off = mac_cb->mac_id;
771 mac_cb->port_mode_off = 0;
772
773 /* if the dsaf node doesn't contain a port subnode, get phy-handle
774 * from dsaf node
775 */
776 if (!mac_cb->fw_port) {
777 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
778 mac_cb->mac_id);
779 mac_cb->phy_dev = of_phy_find_device(np);
780 if (mac_cb->phy_dev) {
781 /* refcount is held by of_phy_find_device()
782 * if the phy_dev is found
783 */
784 put_device(&mac_cb->phy_dev->mdio.dev);
785
786 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
787 mac_cb->mac_id, np->name);
788 }
789 of_node_put(np);
790
791 return 0;
792 }
793
794 if (is_of_node(mac_cb->fw_port)) {
795 /* parse property from port subnode in dsaf */
796 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
797 "phy-handle", 0);
798 mac_cb->phy_dev = of_phy_find_device(np);
799 if (mac_cb->phy_dev) {
800 /* refcount is held by of_phy_find_device()
801 * if the phy_dev is found
802 */
803 put_device(&mac_cb->phy_dev->mdio.dev);
804 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
805 mac_cb->mac_id, np->name);
806 }
807 of_node_put(np);
808
809 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
810 "serdes-syscon", 0);
811 syscon = syscon_node_to_regmap(np);
812 of_node_put(np);
813 if (IS_ERR_OR_NULL(syscon)) {
814 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
815 return -EINVAL;
816 }
817 mac_cb->serdes_ctrl = syscon;
818
819 ret = fwnode_property_read_u32(mac_cb->fw_port,
820 "port-rst-offset",
821 &mac_cb->port_rst_off);
822 if (ret) {
823 dev_dbg(mac_cb->dev,
824 "mac%d port-rst-offset not found, use default value.\n",
825 mac_cb->mac_id);
826 }
827
828 ret = fwnode_property_read_u32(mac_cb->fw_port,
829 "port-mode-offset",
830 &mac_cb->port_mode_off);
831 if (ret) {
832 dev_dbg(mac_cb->dev,
833 "mac%d port-mode-offset not found, use default value.\n",
834 mac_cb->mac_id);
835 }
836
837 ret = of_parse_phandle_with_fixed_args(
838 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
839 &cpld_args);
840 if (ret) {
841 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
842 mac_cb->mac_id);
843 mac_cb->cpld_ctrl = NULL;
844 } else {
845 syscon = syscon_node_to_regmap(cpld_args.np);
846 if (IS_ERR_OR_NULL(syscon)) {
847 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
848 mac_cb->cpld_ctrl = NULL;
849 } else {
850 mac_cb->cpld_ctrl = syscon;
851 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
852 }
853 }
854 } else if (is_acpi_node(mac_cb->fw_port)) {
855 hns_mac_register_phy(mac_cb);
856 } else {
857 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
858 mac_cb->mac_id);
859 }
860
861 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
862 &media_type)) {
863 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
864 if (!strncmp(media_type_defs[i].name, media_type,
865 MAC_MEDIA_TYPE_MAX_LEN)) {
866 mac_cb->media_type = media_type_defs[i].value;
867 break;
868 }
869 }
870 }
871
872 return 0;
873 }
874
875 /**
876 * hns_mac_get_mode - get mac mode
877 * @phy_if: phy interface
878 * retuen 0 - gmac, 1 - xgmac , negative --fail
879 */
880 static int hns_mac_get_mode(phy_interface_t phy_if)
881 {
882 switch (phy_if) {
883 case PHY_INTERFACE_MODE_SGMII:
884 return MAC_GMAC_IDX;
885 case PHY_INTERFACE_MODE_XGMII:
886 return MAC_XGMAC_IDX;
887 default:
888 return -EINVAL;
889 }
890 }
891
892 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
893 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
894 {
895 u8 __iomem *base = dsaf_dev->io_base;
896 int mac_id = mac_cb->mac_id;
897
898 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
899 return base + 0x40000 + mac_id * 0x4000 -
900 mac_mode_idx * 0x20000;
901 else
902 return dsaf_dev->ppe_base + 0x1000;
903 }
904
905 /**
906 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
907 * @dsaf_dev: dsa fabric device struct pointer
908 * @mac_cb: mac control block
909 * return 0 - success , negative --fail
910 */
911 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
912 {
913 int ret;
914 u32 mac_mode_idx;
915
916 mac_cb->dsaf_dev = dsaf_dev;
917 mac_cb->dev = dsaf_dev->dev;
918
919 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
920 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
921
922 mac_cb->sfp_prsnt = 0;
923 mac_cb->txpkt_for_led = 0;
924 mac_cb->rxpkt_for_led = 0;
925
926 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
927 mac_cb->mac_type = HNAE_PORT_SERVICE;
928 else
929 mac_cb->mac_type = HNAE_PORT_DEBUG;
930
931 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
932
933 ret = hns_mac_get_mode(mac_cb->phy_if);
934 if (ret < 0) {
935 dev_err(dsaf_dev->dev,
936 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
937 mac_cb->mac_id, ret);
938 return ret;
939 }
940 mac_mode_idx = (u32)ret;
941
942 ret = hns_mac_get_info(mac_cb);
943 if (ret)
944 return ret;
945
946 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
947 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
948
949 return 0;
950 }
951
952 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
953 {
954 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
955 return 1;
956 else
957 return DSAF_MAX_PORT_NUM;
958 }
959
960 /**
961 * hns_mac_init - init mac
962 * @dsaf_dev: dsa fabric device struct pointer
963 * return 0 - success , negative --fail
964 */
965 int hns_mac_init(struct dsaf_device *dsaf_dev)
966 {
967 bool found = false;
968 int ret;
969 u32 port_id;
970 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
971 struct hns_mac_cb *mac_cb;
972 struct fwnode_handle *child;
973
974 device_for_each_child_node(dsaf_dev->dev, child) {
975 ret = fwnode_property_read_u32(child, "reg", &port_id);
976 if (ret) {
977 dev_err(dsaf_dev->dev,
978 "get reg fail, ret=%d!\n", ret);
979 return ret;
980 }
981 if (port_id >= max_port_num) {
982 dev_err(dsaf_dev->dev,
983 "reg(%u) out of range!\n", port_id);
984 return -EINVAL;
985 }
986 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
987 GFP_KERNEL);
988 if (!mac_cb)
989 return -ENOMEM;
990 mac_cb->fw_port = child;
991 mac_cb->mac_id = (u8)port_id;
992 dsaf_dev->mac_cb[port_id] = mac_cb;
993 found = true;
994 }
995
996 /* if don't get any port subnode from dsaf node
997 * will init all port then, this is compatible with the old dts
998 */
999 if (!found) {
1000 for (port_id = 0; port_id < max_port_num; port_id++) {
1001 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1002 GFP_KERNEL);
1003 if (!mac_cb)
1004 return -ENOMEM;
1005
1006 mac_cb->mac_id = port_id;
1007 dsaf_dev->mac_cb[port_id] = mac_cb;
1008 }
1009 }
1010 /* init mac_cb for all port */
1011 for (port_id = 0; port_id < max_port_num; port_id++) {
1012 mac_cb = dsaf_dev->mac_cb[port_id];
1013 if (!mac_cb)
1014 continue;
1015
1016 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1017 if (ret)
1018 return ret;
1019 ret = hns_mac_init_ex(mac_cb);
1020 if (ret)
1021 return ret;
1022 }
1023
1024 return 0;
1025 }
1026
1027 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1028 {
1029 int i;
1030 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1031
1032 for (i = 0; i < max_port_num; i++) {
1033 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1034 dsaf_dev->mac_cb[i] = NULL;
1035 }
1036 }
1037
1038 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1039 enum hnae_loop loop, int en)
1040 {
1041 int ret;
1042 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1043
1044 if (drv->config_loopback)
1045 ret = drv->config_loopback(drv, loop, en);
1046 else
1047 ret = -ENOTSUPP;
1048
1049 return ret;
1050 }
1051
1052 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1053 {
1054 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1055
1056 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1057 }
1058
1059 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1060 {
1061 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1062
1063 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1064 }
1065
1066 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1067 int stringset, u8 *data)
1068 {
1069 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1070
1071 mac_ctrl_drv->get_strings(stringset, data);
1072 }
1073
1074 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1075 {
1076 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1077
1078 return mac_ctrl_drv->get_sset_count(stringset);
1079 }
1080
1081 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1082 {
1083 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1084
1085 if (mac_ctrl_drv->set_promiscuous)
1086 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1087 }
1088
1089 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1090 {
1091 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1092
1093 return mac_ctrl_drv->get_regs_count();
1094 }
1095
1096 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1097 {
1098 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1099
1100 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1101 }
1102
1103 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1104 {
1105 int nic_data = 0;
1106 int txpkts, rxpkts;
1107
1108 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1109 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1110 if (txpkts || rxpkts)
1111 nic_data = 1;
1112 else
1113 nic_data = 0;
1114 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1115 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1116 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1117 mac_cb->speed, nic_data);
1118 }
1119
1120 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1121 enum hnae_led_state status)
1122 {
1123 if (!mac_cb || !mac_cb->cpld_ctrl)
1124 return 0;
1125
1126 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1127 }
Linux with added FPC-III support