]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c
projects / mirror_ubuntu-zesty-kernel.git / blob
? search:


b9bde2378cacc79f5b2d07cbaba27284cd16ae92
[mirror_ubuntu-zesty-kernel.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/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 if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) {
86 ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb,
87 &sfp_prsnt);
88 if (!ret)
89 *link_status = *link_status && sfp_prsnt;
90 }
91
92 mac_cb->link = *link_status;
93 }
94
95 int hns_mac_get_port_info(struct hns_mac_cb *mac_cb,
96 u8 *auto_neg, u16 *speed, u8 *duplex)
97 {
98 struct mac_driver *mac_ctrl_drv;
99 struct mac_info info;
100
101 mac_ctrl_drv = hns_mac_get_drv(mac_cb);
102
103 if (!mac_ctrl_drv->get_info)
104 return -ENODEV;
105
106 mac_ctrl_drv->get_info(mac_ctrl_drv, &info);
107 if (auto_neg)
108 *auto_neg = info.auto_neg;
109 if (speed)
110 *speed = info.speed;
111 if (duplex)
112 *duplex = info.duplex;
113
114 return 0;
115 }
116
117 void hns_mac_adjust_link(struct hns_mac_cb *mac_cb, int speed, int duplex)
118 {
119 int ret;
120 struct mac_driver *mac_ctrl_drv;
121
122 mac_ctrl_drv = (struct mac_driver *)(mac_cb->priv.mac);
123
124 mac_cb->speed = speed;
125 mac_cb->half_duplex = !duplex;
126
127 if (mac_ctrl_drv->adjust_link) {
128 ret = mac_ctrl_drv->adjust_link(mac_ctrl_drv,
129 (enum mac_speed)speed, duplex);
130 if (ret) {
131 dev_err(mac_cb->dev,
132 "adjust_link failed, %s mac%d ret = %#x!\n",
133 mac_cb->dsaf_dev->ae_dev.name,
134 mac_cb->mac_id, ret);
135 return;
136 }
137 }
138 }
139
140 /**
141 *hns_mac_get_inner_port_num - get mac table inner port number
142 *@mac_cb: mac device
143 *@vmid: vm id
144 *@port_num:port number
145 *
146 */
147 int hns_mac_get_inner_port_num(struct hns_mac_cb *mac_cb, u8 vmid, u8 *port_num)
148 {
149 int q_num_per_vf, vf_num_per_port;
150 int vm_queue_id;
151 u8 tmp_port;
152
153 if (mac_cb->dsaf_dev->dsaf_mode <= DSAF_MODE_ENABLE) {
154 if (mac_cb->mac_id != DSAF_MAX_PORT_NUM) {
155 dev_err(mac_cb->dev,
156 "input invalid, %s mac%d vmid%d !\n",
157 mac_cb->dsaf_dev->ae_dev.name,
158 mac_cb->mac_id, vmid);
159 return -EINVAL;
160 }
161 } else if (mac_cb->dsaf_dev->dsaf_mode < DSAF_MODE_MAX) {
162 if (mac_cb->mac_id >= DSAF_MAX_PORT_NUM) {
163 dev_err(mac_cb->dev,
164 "input invalid, %s mac%d vmid%d!\n",
165 mac_cb->dsaf_dev->ae_dev.name,
166 mac_cb->mac_id, vmid);
167 return -EINVAL;
168 }
169 } else {
170 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
171 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
172 return -EINVAL;
173 }
174
175 if (vmid >= mac_cb->dsaf_dev->rcb_common[0]->max_vfn) {
176 dev_err(mac_cb->dev, "input invalid, %s mac%d vmid%d !\n",
177 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vmid);
178 return -EINVAL;
179 }
180
181 q_num_per_vf = mac_cb->dsaf_dev->rcb_common[0]->max_q_per_vf;
182 vf_num_per_port = mac_cb->dsaf_dev->rcb_common[0]->max_vfn;
183
184 vm_queue_id = vmid * q_num_per_vf +
185 vf_num_per_port * q_num_per_vf * mac_cb->mac_id;
186
187 switch (mac_cb->dsaf_dev->dsaf_mode) {
188 case DSAF_MODE_ENABLE_FIX:
189 tmp_port = 0;
190 break;
191 case DSAF_MODE_DISABLE_FIX:
192 tmp_port = 0;
193 break;
194 case DSAF_MODE_ENABLE_0VM:
195 case DSAF_MODE_ENABLE_8VM:
196 case DSAF_MODE_ENABLE_16VM:
197 case DSAF_MODE_ENABLE_32VM:
198 case DSAF_MODE_ENABLE_128VM:
199 case DSAF_MODE_DISABLE_2PORT_8VM:
200 case DSAF_MODE_DISABLE_2PORT_16VM:
201 case DSAF_MODE_DISABLE_2PORT_64VM:
202 case DSAF_MODE_DISABLE_6PORT_0VM:
203 case DSAF_MODE_DISABLE_6PORT_2VM:
204 case DSAF_MODE_DISABLE_6PORT_4VM:
205 case DSAF_MODE_DISABLE_6PORT_16VM:
206 tmp_port = vm_queue_id;
207 break;
208 default:
209 dev_err(mac_cb->dev, "dsaf mode invalid, %s mac%d!\n",
210 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id);
211 return -EINVAL;
212 }
213 tmp_port += DSAF_BASE_INNER_PORT_NUM;
214
215 *port_num = tmp_port;
216
217 return 0;
218 }
219
220 /**
221 *hns_mac_change_vf_addr - change vf mac address
222 *@mac_cb: mac device
223 *@vmid: vmid
224 *@addr:mac address
225 */
226 int hns_mac_change_vf_addr(struct hns_mac_cb *mac_cb,
227 u32 vmid, char *addr)
228 {
229 int ret;
230 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
231 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
232 struct dsaf_drv_mac_single_dest_entry mac_entry;
233 struct mac_entry_idx *old_entry;
234
235 old_entry = &mac_cb->addr_entry_idx[vmid];
236 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
237 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
238 mac_entry.in_vlan_id = old_entry->vlan_id;
239 mac_entry.in_port_num = mac_cb->mac_id;
240 ret = hns_mac_get_inner_port_num(mac_cb, (u8)vmid,
241 &mac_entry.port_num);
242 if (ret)
243 return ret;
244
245 if ((old_entry->valid != 0) &&
246 (memcmp(old_entry->addr,
247 addr, sizeof(mac_entry.addr)) != 0)) {
248 ret = hns_dsaf_del_mac_entry(dsaf_dev,
249 old_entry->vlan_id,
250 mac_cb->mac_id,
251 old_entry->addr);
252 if (ret)
253 return ret;
254 }
255
256 ret = hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
257 if (ret)
258 return ret;
259 }
260
261 if ((mac_ctrl_drv->set_mac_addr) && (vmid == 0))
262 mac_ctrl_drv->set_mac_addr(mac_cb->priv.mac, addr);
263
264 memcpy(old_entry->addr, addr, sizeof(old_entry->addr));
265 old_entry->valid = 1;
266 return 0;
267 }
268
269 int hns_mac_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
270 const unsigned char *addr)
271 {
272 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
273 struct dsaf_drv_mac_single_dest_entry mac_entry;
274 int ret;
275
276 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
277 return -ENOSPC;
278
279 memset(&mac_entry, 0, sizeof(mac_entry));
280 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
281 mac_entry.in_port_num = mac_cb->mac_id;
282 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
283 if (ret)
284 return ret;
285
286 return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
287 }
288
289 int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
290 const unsigned char *addr)
291 {
292 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
293 struct dsaf_drv_mac_single_dest_entry mac_entry;
294 int ret;
295
296 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
297 return -ENOSPC;
298
299 memset(&mac_entry, 0, sizeof(mac_entry));
300 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
301 mac_entry.in_port_num = mac_cb->mac_id;
302 ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
303 if (ret)
304 return ret;
305
306 return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
307 }
308
309 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
310 u32 port_num, char *addr, bool enable)
311 {
312 int ret;
313 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
314 struct dsaf_drv_mac_single_dest_entry mac_entry;
315
316 if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
317 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
318 mac_entry.in_vlan_id = 0;/*vlan_id;*/
319 mac_entry.in_port_num = mac_cb->mac_id;
320 mac_entry.port_num = port_num;
321
322 if (!enable)
323 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
324 else
325 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
326 if (ret) {
327 dev_err(dsaf_dev->dev,
328 "set mac mc port failed, %s mac%d ret = %#x!\n",
329 mac_cb->dsaf_dev->ae_dev.name,
330 mac_cb->mac_id, ret);
331 return ret;
332 }
333 }
334
335 return 0;
336 }
337
338 /**
339 *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
340 * address twice
341 *@net_dev: net device
342 *@vfn : vf lan
343 *@mac : mac address
344 *return status
345 */
346 int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
347 {
348 struct mac_entry_idx *old_mac;
349 struct dsaf_device *dsaf_dev;
350 u32 ret;
351
352 dsaf_dev = mac_cb->dsaf_dev;
353
354 if (vfn < DSAF_MAX_VM_NUM) {
355 old_mac = &mac_cb->addr_entry_idx[vfn];
356 } else {
357 dev_err(mac_cb->dev,
358 "vf queue is too large, %s mac%d queue = %#x!\n",
359 mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
360 return -EINVAL;
361 }
362
363 if (dsaf_dev) {
364 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
365 mac_cb->mac_id, old_mac->addr);
366 if (ret)
367 return ret;
368
369 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
370 old_mac->valid = 0;
371 }
372
373 return 0;
374 }
375
376 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
377 {
378 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
379 u8 port_num;
380 int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
381
382 if (ret)
383 return ret;
384
385 return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
386 }
387
388 static void hns_mac_param_get(struct mac_params *param,
389 struct hns_mac_cb *mac_cb)
390 {
391 param->vaddr = (void *)mac_cb->vaddr;
392 param->mac_mode = hns_get_enet_interface(mac_cb);
393 ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
394 param->mac_id = mac_cb->mac_id;
395 param->dev = mac_cb->dev;
396 }
397
398 /**
399 *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
400 *@mac_cb: mac device
401 *@queue: queue number
402 *@en:enable
403 *retuen 0 - success , negative --fail
404 */
405 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
406 u32 port_num, u16 vlan_id, bool enable)
407 {
408 int ret;
409 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
410 u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
411 struct dsaf_drv_mac_single_dest_entry mac_entry;
412
413 /* directy return ok in debug network mode */
414 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
415 return 0;
416
417 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
418 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
419 mac_entry.in_vlan_id = vlan_id;
420 mac_entry.in_port_num = mac_cb->mac_id;
421 mac_entry.port_num = port_num;
422
423 if (!enable)
424 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
425 else
426 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
427 return ret;
428 }
429
430 return 0;
431 }
432
433 /**
434 *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
435 *@mac_cb: mac device
436 *@vmid: vm id
437 *@en:enable
438 *retuen 0 - success , negative --fail
439 */
440 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
441 {
442 int ret;
443 struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
444 u8 port_num;
445 u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
446 struct mac_entry_idx *uc_mac_entry;
447 struct dsaf_drv_mac_single_dest_entry mac_entry;
448
449 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
450 return 0;
451
452 uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
453
454 if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
455 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
456 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
457 mac_entry.in_port_num = mac_cb->mac_id;
458 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
459 if (ret)
460 return ret;
461 mac_entry.port_num = port_num;
462
463 if (!enable)
464 ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
465 else
466 ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
467 return ret;
468 }
469
470 return 0;
471 }
472
473 void hns_mac_reset(struct hns_mac_cb *mac_cb)
474 {
475 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
476 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
477
478 drv->mac_init(drv);
479
480 if (drv->config_max_frame_length)
481 drv->config_max_frame_length(drv, mac_cb->max_frm);
482
483 if (drv->set_tx_auto_pause_frames)
484 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
485
486 if (drv->set_an_mode)
487 drv->set_an_mode(drv, 1);
488
489 if (drv->mac_pausefrm_cfg) {
490 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
491 drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
492 else /* mac rx must disable, dsaf pfc close instead of it*/
493 drv->mac_pausefrm_cfg(drv, 0, 1);
494 }
495 }
496
497 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
498 {
499 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
500 u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
501 u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
502 MAC_MAX_MTU : MAC_MAX_MTU_V2;
503
504 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
505 max_frm = MAC_MAX_MTU_DBG;
506
507 if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
508 return -EINVAL;
509
510 if (!drv->config_max_frame_length)
511 return -ECHILD;
512
513 /* adjust max frame to be at least the size of a standard frame */
514 if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
515 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
516
517 drv->config_max_frame_length(drv, new_frm);
518
519 mac_cb->max_frm = new_frm;
520
521 return 0;
522 }
523
524 void hns_mac_start(struct hns_mac_cb *mac_cb)
525 {
526 struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
527
528 /* for virt */
529 if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
530 /*plus 1 when the virtual mac has been enabled */
531 mac_drv->virt_dev_num += 1;
532 return;
533 }
534
535 if (mac_drv->mac_enable) {
536 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
537 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
538 }
539 }
540
541 void hns_mac_stop(struct hns_mac_cb *mac_cb)
542 {
543 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
544
545 /*modified for virtualization */
546 if (mac_ctrl_drv->virt_dev_num > 0) {
547 mac_ctrl_drv->virt_dev_num -= 1;
548 if (mac_ctrl_drv->virt_dev_num > 0)
549 return;
550 }
551
552 if (mac_ctrl_drv->mac_disable)
553 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
554 MAC_COMM_MODE_RX_AND_TX);
555
556 mac_ctrl_drv->mac_en_flg = 0;
557 mac_cb->link = 0;
558 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
559 }
560
561 /**
562 * hns_mac_get_autoneg - get auto autonegotiation
563 * @mac_cb: mac control block
564 * @enable: enable or not
565 * retuen 0 - success , negative --fail
566 */
567 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
568 {
569 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
570
571 if (mac_ctrl_drv->autoneg_stat)
572 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
573 else
574 *auto_neg = 0;
575 }
576
577 /**
578 * hns_mac_get_pauseparam - set rx & tx pause parameter
579 * @mac_cb: mac control block
580 * @rx_en: rx enable status
581 * @tx_en: tx enable status
582 * retuen 0 - success , negative --fail
583 */
584 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
585 {
586 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
587
588 if (mac_ctrl_drv->get_pause_enable) {
589 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
590 } else {
591 *rx_en = 0;
592 *tx_en = 0;
593 }
594 }
595
596 /**
597 * hns_mac_set_autoneg - set auto autonegotiation
598 * @mac_cb: mac control block
599 * @enable: enable or not
600 * retuen 0 - success , negative --fail
601 */
602 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
603 {
604 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
605
606 if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
607 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
608 return -ENOTSUPP;
609 }
610
611 if (mac_ctrl_drv->set_an_mode)
612 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
613
614 return 0;
615 }
616
617 /**
618 * hns_mac_set_autoneg - set rx & tx pause parameter
619 * @mac_cb: mac control block
620 * @rx_en: rx enable or not
621 * @tx_en: tx enable or not
622 * return 0 - success , negative --fail
623 */
624 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
625 {
626 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
627 bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
628
629 if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
630 if (is_ver1 && (tx_en || rx_en)) {
631 dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
632 return -EINVAL;
633 }
634 }
635
636 if (mac_ctrl_drv->mac_pausefrm_cfg)
637 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
638
639 return 0;
640 }
641
642 /**
643 * hns_mac_init_ex - mac init
644 * @mac_cb: mac control block
645 * retuen 0 - success , negative --fail
646 */
647 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
648 {
649 int ret;
650 struct mac_params param;
651 struct mac_driver *drv;
652
653 hns_dsaf_fix_mac_mode(mac_cb);
654
655 memset(&param, 0, sizeof(struct mac_params));
656 hns_mac_param_get(&param, mac_cb);
657
658 if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
659 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
660 else
661 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
662
663 if (!drv)
664 return -ENOMEM;
665
666 mac_cb->priv.mac = (void *)drv;
667 hns_mac_reset(mac_cb);
668
669 hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
670
671 ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
672 if (ret)
673 goto free_mac_drv;
674
675 return 0;
676
677 free_mac_drv:
678 drv->mac_free(mac_cb->priv.mac);
679 mac_cb->priv.mac = NULL;
680
681 return ret;
682 }
683
684 static int
685 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
686 {
687 u32 addr;
688 int ret;
689
690 ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
691 if (ret) {
692 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
693 return ret;
694 }
695
696 if (addr >= PHY_MAX_ADDR) {
697 dev_err(dev, "PHY address %i is too large\n", addr);
698 return -EINVAL;
699 }
700
701 return addr;
702 }
703
704 static int
705 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
706 u32 addr)
707 {
708 struct phy_device *phy;
709 const char *phy_type;
710 bool is_c45;
711 int rc;
712
713 rc = fwnode_property_read_string(mac_cb->fw_port,
714 "phy-mode", &phy_type);
715 if (rc < 0)
716 return rc;
717
718 if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
719 is_c45 = 1;
720 else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
721 is_c45 = 0;
722 else
723 return -ENODATA;
724
725 phy = get_phy_device(mdio, addr, is_c45);
726 if (!phy || IS_ERR(phy))
727 return -EIO;
728
729 phy->irq = mdio->irq[addr];
730
731 /* All data is now stored in the phy struct;
732 * register it
733 */
734 rc = phy_device_register(phy);
735 if (rc) {
736 phy_device_free(phy);
737 return -ENODEV;
738 }
739
740 mac_cb->phy_dev = phy;
741
742 dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
743
744 return 0;
745 }
746
747 static void hns_mac_register_phy(struct hns_mac_cb *mac_cb)
748 {
749 struct acpi_reference_args args;
750 struct platform_device *pdev;
751 struct mii_bus *mii_bus;
752 int rc;
753 int addr;
754
755 /* Loop over the child nodes and register a phy_device for each one */
756 if (!to_acpi_device_node(mac_cb->fw_port))
757 return;
758
759 rc = acpi_node_get_property_reference(
760 mac_cb->fw_port, "mdio-node", 0, &args);
761 if (rc)
762 return;
763
764 addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
765 if (addr < 0)
766 return;
767
768 /* dev address in adev */
769 pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
770 mii_bus = platform_get_drvdata(pdev);
771 rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
772 if (!rc)
773 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
774 mac_cb->mac_id, addr);
775 }
776
777 #define MAC_MEDIA_TYPE_MAX_LEN 16
778
779 static const struct {
780 enum hnae_media_type value;
781 const char *name;
782 } media_type_defs[] = {
783 {HNAE_MEDIA_TYPE_UNKNOWN, "unknown" },
784 {HNAE_MEDIA_TYPE_FIBER, "fiber" },
785 {HNAE_MEDIA_TYPE_COPPER, "copper" },
786 {HNAE_MEDIA_TYPE_BACKPLANE, "backplane" },
787 };
788
789 /**
790 *hns_mac_get_info - get mac information from device node
791 *@mac_cb: mac device
792 *@np:device node
793 * return: 0 --success, negative --fail
794 */
795 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
796 {
797 struct device_node *np;
798 struct regmap *syscon;
799 struct of_phandle_args cpld_args;
800 const char *media_type;
801 u32 i;
802 u32 ret;
803
804 mac_cb->link = false;
805 mac_cb->half_duplex = false;
806 mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
807 mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
808 mac_cb->max_speed = mac_cb->speed;
809
810 if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
811 mac_cb->if_support = MAC_GMAC_SUPPORTED;
812 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
813 } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
814 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
815 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
816 }
817
818 mac_cb->max_frm = MAC_DEFAULT_MTU;
819 mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
820 mac_cb->port_rst_off = mac_cb->mac_id;
821 mac_cb->port_mode_off = 0;
822
823 /* if the dsaf node doesn't contain a port subnode, get phy-handle
824 * from dsaf node
825 */
826 if (!mac_cb->fw_port) {
827 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
828 mac_cb->mac_id);
829 mac_cb->phy_dev = of_phy_find_device(np);
830 if (mac_cb->phy_dev) {
831 /* refcount is held by of_phy_find_device()
832 * if the phy_dev is found
833 */
834 put_device(&mac_cb->phy_dev->mdio.dev);
835
836 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
837 mac_cb->mac_id, np->name);
838 }
839 of_node_put(np);
840
841 return 0;
842 }
843
844 if (is_of_node(mac_cb->fw_port)) {
845 /* parse property from port subnode in dsaf */
846 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
847 "phy-handle", 0);
848 mac_cb->phy_dev = of_phy_find_device(np);
849 if (mac_cb->phy_dev) {
850 /* refcount is held by of_phy_find_device()
851 * if the phy_dev is found
852 */
853 put_device(&mac_cb->phy_dev->mdio.dev);
854 dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
855 mac_cb->mac_id, np->name);
856 }
857 of_node_put(np);
858
859 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
860 "serdes-syscon", 0);
861 syscon = syscon_node_to_regmap(np);
862 of_node_put(np);
863 if (IS_ERR_OR_NULL(syscon)) {
864 dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
865 return -EINVAL;
866 }
867 mac_cb->serdes_ctrl = syscon;
868
869 ret = fwnode_property_read_u32(mac_cb->fw_port,
870 "port-rst-offset",
871 &mac_cb->port_rst_off);
872 if (ret) {
873 dev_dbg(mac_cb->dev,
874 "mac%d port-rst-offset not found, use default value.\n",
875 mac_cb->mac_id);
876 }
877
878 ret = fwnode_property_read_u32(mac_cb->fw_port,
879 "port-mode-offset",
880 &mac_cb->port_mode_off);
881 if (ret) {
882 dev_dbg(mac_cb->dev,
883 "mac%d port-mode-offset not found, use default value.\n",
884 mac_cb->mac_id);
885 }
886
887 ret = of_parse_phandle_with_fixed_args(
888 to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
889 &cpld_args);
890 if (ret) {
891 dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
892 mac_cb->mac_id);
893 mac_cb->cpld_ctrl = NULL;
894 } else {
895 syscon = syscon_node_to_regmap(cpld_args.np);
896 if (IS_ERR_OR_NULL(syscon)) {
897 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
898 mac_cb->cpld_ctrl = NULL;
899 } else {
900 mac_cb->cpld_ctrl = syscon;
901 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
902 }
903 }
904 } else if (is_acpi_node(mac_cb->fw_port)) {
905 hns_mac_register_phy(mac_cb);
906 } else {
907 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
908 mac_cb->mac_id);
909 }
910
911 if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
912 &media_type)) {
913 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
914 if (!strncmp(media_type_defs[i].name, media_type,
915 MAC_MEDIA_TYPE_MAX_LEN)) {
916 mac_cb->media_type = media_type_defs[i].value;
917 break;
918 }
919 }
920 }
921
922 if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
923 mac_cb->mc_mask, ETH_ALEN)) {
924 dev_warn(mac_cb->dev,
925 "no mc-mac-mask property, set to default value.\n");
926 eth_broadcast_addr(mac_cb->mc_mask);
927 }
928
929 return 0;
930 }
931
932 /**
933 * hns_mac_get_mode - get mac mode
934 * @phy_if: phy interface
935 * retuen 0 - gmac, 1 - xgmac , negative --fail
936 */
937 static int hns_mac_get_mode(phy_interface_t phy_if)
938 {
939 switch (phy_if) {
940 case PHY_INTERFACE_MODE_SGMII:
941 return MAC_GMAC_IDX;
942 case PHY_INTERFACE_MODE_XGMII:
943 return MAC_XGMAC_IDX;
944 default:
945 return -EINVAL;
946 }
947 }
948
949 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
950 struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
951 {
952 u8 __iomem *base = dsaf_dev->io_base;
953 int mac_id = mac_cb->mac_id;
954
955 if (mac_cb->mac_type == HNAE_PORT_SERVICE)
956 return base + 0x40000 + mac_id * 0x4000 -
957 mac_mode_idx * 0x20000;
958 else
959 return dsaf_dev->ppe_base + 0x1000;
960 }
961
962 /**
963 * hns_mac_get_cfg - get mac cfg from dtb or acpi table
964 * @dsaf_dev: dsa fabric device struct pointer
965 * @mac_cb: mac control block
966 * return 0 - success , negative --fail
967 */
968 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
969 {
970 int ret;
971 u32 mac_mode_idx;
972
973 mac_cb->dsaf_dev = dsaf_dev;
974 mac_cb->dev = dsaf_dev->dev;
975
976 mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
977 mac_cb->serdes_vaddr = dsaf_dev->sds_base;
978
979 mac_cb->sfp_prsnt = 0;
980 mac_cb->txpkt_for_led = 0;
981 mac_cb->rxpkt_for_led = 0;
982
983 if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
984 mac_cb->mac_type = HNAE_PORT_SERVICE;
985 else
986 mac_cb->mac_type = HNAE_PORT_DEBUG;
987
988 mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
989
990 ret = hns_mac_get_mode(mac_cb->phy_if);
991 if (ret < 0) {
992 dev_err(dsaf_dev->dev,
993 "hns_mac_get_mode failed, mac%d ret = %#x!\n",
994 mac_cb->mac_id, ret);
995 return ret;
996 }
997 mac_mode_idx = (u32)ret;
998
999 ret = hns_mac_get_info(mac_cb);
1000 if (ret)
1001 return ret;
1002
1003 mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
1004 mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
1005
1006 return 0;
1007 }
1008
1009 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
1010 {
1011 if (HNS_DSAF_IS_DEBUG(dsaf_dev))
1012 return 1;
1013 else
1014 return DSAF_MAX_PORT_NUM;
1015 }
1016
1017 /**
1018 * hns_mac_init - init mac
1019 * @dsaf_dev: dsa fabric device struct pointer
1020 * return 0 - success , negative --fail
1021 */
1022 int hns_mac_init(struct dsaf_device *dsaf_dev)
1023 {
1024 bool found = false;
1025 int ret;
1026 u32 port_id;
1027 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1028 struct hns_mac_cb *mac_cb;
1029 struct fwnode_handle *child;
1030
1031 device_for_each_child_node(dsaf_dev->dev, child) {
1032 ret = fwnode_property_read_u32(child, "reg", &port_id);
1033 if (ret) {
1034 dev_err(dsaf_dev->dev,
1035 "get reg fail, ret=%d!\n", ret);
1036 return ret;
1037 }
1038 if (port_id >= max_port_num) {
1039 dev_err(dsaf_dev->dev,
1040 "reg(%u) out of range!\n", port_id);
1041 return -EINVAL;
1042 }
1043 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1044 GFP_KERNEL);
1045 if (!mac_cb)
1046 return -ENOMEM;
1047 mac_cb->fw_port = child;
1048 mac_cb->mac_id = (u8)port_id;
1049 dsaf_dev->mac_cb[port_id] = mac_cb;
1050 found = true;
1051 }
1052
1053 /* if don't get any port subnode from dsaf node
1054 * will init all port then, this is compatible with the old dts
1055 */
1056 if (!found) {
1057 for (port_id = 0; port_id < max_port_num; port_id++) {
1058 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1059 GFP_KERNEL);
1060 if (!mac_cb)
1061 return -ENOMEM;
1062
1063 mac_cb->mac_id = port_id;
1064 dsaf_dev->mac_cb[port_id] = mac_cb;
1065 }
1066 }
1067 /* init mac_cb for all port */
1068 for (port_id = 0; port_id < max_port_num; port_id++) {
1069 mac_cb = dsaf_dev->mac_cb[port_id];
1070 if (!mac_cb)
1071 continue;
1072
1073 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1074 if (ret)
1075 return ret;
1076 ret = hns_mac_init_ex(mac_cb);
1077 if (ret)
1078 return ret;
1079 }
1080
1081 return 0;
1082 }
1083
1084 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1085 {
1086 int i;
1087 int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1088
1089 for (i = 0; i < max_port_num; i++) {
1090 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1091 dsaf_dev->mac_cb[i] = NULL;
1092 }
1093 }
1094
1095 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1096 enum hnae_loop loop, int en)
1097 {
1098 int ret;
1099 struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1100
1101 if (drv->config_loopback)
1102 ret = drv->config_loopback(drv, loop, en);
1103 else
1104 ret = -ENOTSUPP;
1105
1106 return ret;
1107 }
1108
1109 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1110 {
1111 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1112
1113 mac_ctrl_drv->update_stats(mac_ctrl_drv);
1114 }
1115
1116 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1117 {
1118 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1119
1120 mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1121 }
1122
1123 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1124 int stringset, u8 *data)
1125 {
1126 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1127
1128 mac_ctrl_drv->get_strings(stringset, data);
1129 }
1130
1131 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1132 {
1133 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1134
1135 return mac_ctrl_drv->get_sset_count(stringset);
1136 }
1137
1138 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1139 {
1140 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1141
1142 hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1143
1144 if (mac_ctrl_drv->set_promiscuous)
1145 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1146 }
1147
1148 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1149 {
1150 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1151
1152 return mac_ctrl_drv->get_regs_count();
1153 }
1154
1155 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1156 {
1157 struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1158
1159 mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1160 }
1161
1162 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1163 {
1164 int nic_data = 0;
1165 int txpkts, rxpkts;
1166
1167 txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1168 rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1169 if (txpkts || rxpkts)
1170 nic_data = 1;
1171 else
1172 nic_data = 0;
1173 mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1174 mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1175 mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1176 mac_cb->speed, nic_data);
1177 }
1178
1179 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1180 enum hnae_led_state status)
1181 {
1182 if (!mac_cb || !mac_cb->cpld_ctrl)
1183 return 0;
1184
1185 return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1186 }
ubuntu-zesty-kernel mirror