ethernet: hisilicon: hns: hns_dsaf_mac: Use generic eth_broadcast_addr
[linux-2.6-microblaze.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 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
339 {
340         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
341         u8 port_num;
342         int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
343
344         if (ret)
345                 return ret;
346
347         return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
348 }
349
350 static void hns_mac_param_get(struct mac_params *param,
351                               struct hns_mac_cb *mac_cb)
352 {
353         param->vaddr = (void *)mac_cb->vaddr;
354         param->mac_mode = hns_get_enet_interface(mac_cb);
355         ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
356         param->mac_id = mac_cb->mac_id;
357         param->dev = mac_cb->dev;
358 }
359
360 /**
361  *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
362  *@mac_cb: mac device
363  *@queue: queue number
364  *@en:enable
365  *retuen 0 - success , negative --fail
366  */
367 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
368                                      u32 port_num, u16 vlan_id, bool enable)
369 {
370         int ret;
371         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
372         struct dsaf_drv_mac_single_dest_entry mac_entry;
373
374         /* directy return ok in debug network mode */
375         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
376                 return 0;
377
378         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
379                 eth_broadcast_addr(mac_entry.addr);
380                 mac_entry.in_vlan_id = vlan_id;
381                 mac_entry.in_port_num = mac_cb->mac_id;
382                 mac_entry.port_num = port_num;
383
384                 if (!enable)
385                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
386                 else
387                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
388                 return ret;
389         }
390
391         return 0;
392 }
393
394 /**
395  *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
396  *@mac_cb: mac device
397  *@vmid: vm id
398  *@en:enable
399  *retuen 0 - success , negative --fail
400  */
401 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
402 {
403         int ret;
404         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
405         u8 port_num;
406         struct mac_entry_idx *uc_mac_entry;
407         struct dsaf_drv_mac_single_dest_entry mac_entry;
408
409         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
410                 return 0;
411
412         uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
413
414         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))  {
415                 eth_broadcast_addr(mac_entry.addr);
416                 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
417                 mac_entry.in_port_num = mac_cb->mac_id;
418                 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
419                 if (ret)
420                         return ret;
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 void hns_mac_reset(struct hns_mac_cb *mac_cb)
434 {
435         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
436         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
437
438         drv->mac_init(drv);
439
440         if (drv->config_max_frame_length)
441                 drv->config_max_frame_length(drv, mac_cb->max_frm);
442
443         if (drv->set_tx_auto_pause_frames)
444                 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
445
446         if (drv->set_an_mode)
447                 drv->set_an_mode(drv, 1);
448
449         if (drv->mac_pausefrm_cfg) {
450                 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
451                         drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
452                 else /* mac rx must disable, dsaf pfc close instead of it*/
453                         drv->mac_pausefrm_cfg(drv, 0, 1);
454         }
455 }
456
457 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu, u32 buf_size)
458 {
459         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
460         u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
461         u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
462                         MAC_MAX_MTU : MAC_MAX_MTU_V2;
463
464         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
465                 max_frm = MAC_MAX_MTU_DBG;
466
467         if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
468                 return -EINVAL;
469
470         if (!drv->config_max_frame_length)
471                 return -ECHILD;
472
473         /* adjust max frame to be at least the size of a standard frame */
474         if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
475                 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
476
477         drv->config_max_frame_length(drv, new_frm);
478
479         mac_cb->max_frm = new_frm;
480
481         return 0;
482 }
483
484 void hns_mac_start(struct hns_mac_cb *mac_cb)
485 {
486         struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
487
488         /* for virt */
489         if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
490                 /*plus 1 when the virtual mac has been enabled */
491                 mac_drv->virt_dev_num += 1;
492                 return;
493         }
494
495         if (mac_drv->mac_enable) {
496                 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
497                 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
498         }
499 }
500
501 void hns_mac_stop(struct hns_mac_cb *mac_cb)
502 {
503         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
504
505         /*modified for virtualization */
506         if (mac_ctrl_drv->virt_dev_num > 0) {
507                 mac_ctrl_drv->virt_dev_num -= 1;
508                 if (mac_ctrl_drv->virt_dev_num > 0)
509                         return;
510         }
511
512         if (mac_ctrl_drv->mac_disable)
513                 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
514                         MAC_COMM_MODE_RX_AND_TX);
515
516         mac_ctrl_drv->mac_en_flg = 0;
517         mac_cb->link = 0;
518         mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
519 }
520
521 /**
522  * hns_mac_get_autoneg - get auto autonegotiation
523  * @mac_cb: mac control block
524  * @enable: enable or not
525  * retuen 0 - success , negative --fail
526  */
527 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
528 {
529         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
530
531         if (mac_ctrl_drv->autoneg_stat)
532                 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
533         else
534                 *auto_neg = 0;
535 }
536
537 /**
538  * hns_mac_get_pauseparam - set rx & tx pause parameter
539  * @mac_cb: mac control block
540  * @rx_en: rx enable status
541  * @tx_en: tx enable status
542  * retuen 0 - success , negative --fail
543  */
544 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
545 {
546         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
547
548         if (mac_ctrl_drv->get_pause_enable) {
549                 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
550         } else {
551                 *rx_en = 0;
552                 *tx_en = 0;
553         }
554 }
555
556 /**
557  * hns_mac_set_autoneg - set auto autonegotiation
558  * @mac_cb: mac control block
559  * @enable: enable or not
560  * retuen 0 - success , negative --fail
561  */
562 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
563 {
564         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
565
566         if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
567                 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
568                 return -ENOTSUPP;
569         }
570
571         if (mac_ctrl_drv->set_an_mode)
572                 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
573
574         return 0;
575 }
576
577 /**
578  * hns_mac_set_autoneg - set rx & tx pause parameter
579  * @mac_cb: mac control block
580  * @rx_en: rx enable or not
581  * @tx_en: tx enable or not
582  * return 0 - success , negative --fail
583  */
584 int hns_mac_set_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         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
588
589         if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
590                 if (is_ver1 && (tx_en || rx_en)) {
591                         dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
592                         return -EINVAL;
593                 }
594         }
595
596         if (mac_ctrl_drv->mac_pausefrm_cfg)
597                 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
598
599         return 0;
600 }
601
602 /**
603  * hns_mac_init_ex - mac init
604  * @mac_cb: mac control block
605  * retuen 0 - success , negative --fail
606  */
607 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
608 {
609         int ret;
610         struct mac_params param;
611         struct mac_driver *drv;
612
613         hns_dsaf_fix_mac_mode(mac_cb);
614
615         memset(&param, 0, sizeof(struct mac_params));
616         hns_mac_param_get(&param, mac_cb);
617
618         if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
619                 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
620         else
621                 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
622
623         if (!drv)
624                 return -ENOMEM;
625
626         mac_cb->priv.mac = (void *)drv;
627         hns_mac_reset(mac_cb);
628
629         hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
630
631         ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
632         if (ret)
633                 goto free_mac_drv;
634
635         return 0;
636
637 free_mac_drv:
638         drv->mac_free(mac_cb->priv.mac);
639         mac_cb->priv.mac = NULL;
640
641         return ret;
642 }
643
644 static int
645 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
646 {
647         u32 addr;
648         int ret;
649
650         ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
651         if (ret) {
652                 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
653                 return ret;
654         }
655
656         if (addr >= PHY_MAX_ADDR) {
657                 dev_err(dev, "PHY address %i is too large\n", addr);
658                 return -EINVAL;
659         }
660
661         return addr;
662 }
663
664 static int
665 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
666                         u32 addr)
667 {
668         struct phy_device *phy;
669         const char *phy_type;
670         bool is_c45;
671         int rc;
672
673         rc = fwnode_property_read_string(mac_cb->fw_port,
674                                          "phy-mode", &phy_type);
675         if (rc < 0)
676                 return rc;
677
678         if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
679                 is_c45 = 1;
680         else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
681                 is_c45 = 0;
682         else
683                 return -ENODATA;
684
685         phy = get_phy_device(mdio, addr, is_c45);
686         if (!phy || IS_ERR(phy))
687                 return -EIO;
688
689         phy->irq = mdio->irq[addr];
690
691         /* All data is now stored in the phy struct;
692          * register it
693          */
694         rc = phy_device_register(phy);
695         if (rc) {
696                 phy_device_free(phy);
697                 dev_err(&mdio->dev, "registered phy fail at address %i\n",
698                         addr);
699                 return -ENODEV;
700         }
701
702         mac_cb->phy_dev = phy;
703
704         dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
705
706         return 0;
707 }
708
709 static int hns_mac_register_phy(struct hns_mac_cb *mac_cb)
710 {
711         struct acpi_reference_args args;
712         struct platform_device *pdev;
713         struct mii_bus *mii_bus;
714         int rc;
715         int addr;
716
717         /* Loop over the child nodes and register a phy_device for each one */
718         if (!to_acpi_device_node(mac_cb->fw_port))
719                 return -ENODEV;
720
721         rc = acpi_node_get_property_reference(
722                         mac_cb->fw_port, "mdio-node", 0, &args);
723         if (rc)
724                 return rc;
725
726         addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
727         if (addr < 0)
728                 return addr;
729
730         /* dev address in adev */
731         pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
732         if (!pdev) {
733                 dev_err(mac_cb->dev, "mac%d mdio pdev is NULL\n",
734                         mac_cb->mac_id);
735                 return  -EINVAL;
736         }
737
738         mii_bus = platform_get_drvdata(pdev);
739         if (!mii_bus) {
740                 dev_err(mac_cb->dev,
741                         "mac%d mdio is NULL, dsaf will probe again later\n",
742                         mac_cb->mac_id);
743                 return -EPROBE_DEFER;
744         }
745
746         rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
747         if (!rc)
748                 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
749                         mac_cb->mac_id, addr);
750
751         return rc;
752 }
753
754 #define MAC_MEDIA_TYPE_MAX_LEN          16
755
756 static const struct {
757         enum hnae_media_type value;
758         const char *name;
759 } media_type_defs[] = {
760         {HNAE_MEDIA_TYPE_UNKNOWN,       "unknown" },
761         {HNAE_MEDIA_TYPE_FIBER,         "fiber" },
762         {HNAE_MEDIA_TYPE_COPPER,        "copper" },
763         {HNAE_MEDIA_TYPE_BACKPLANE,     "backplane" },
764 };
765
766 /**
767  *hns_mac_get_info  - get mac information from device node
768  *@mac_cb: mac device
769  *@np:device node
770  * return: 0 --success, negative --fail
771  */
772 static int hns_mac_get_info(struct hns_mac_cb *mac_cb)
773 {
774         struct device_node *np;
775         struct regmap *syscon;
776         struct of_phandle_args cpld_args;
777         const char *media_type;
778         u32 i;
779         u32 ret;
780
781         mac_cb->link = false;
782         mac_cb->half_duplex = false;
783         mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
784         mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
785         mac_cb->max_speed = mac_cb->speed;
786
787         if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
788                 mac_cb->if_support = MAC_GMAC_SUPPORTED;
789                 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
790         } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
791                 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
792                 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
793         }
794
795         mac_cb->max_frm = MAC_DEFAULT_MTU;
796         mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
797         mac_cb->port_rst_off = mac_cb->mac_id;
798         mac_cb->port_mode_off = 0;
799
800         /* if the dsaf node doesn't contain a port subnode, get phy-handle
801          * from dsaf node
802          */
803         if (!mac_cb->fw_port) {
804                 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
805                                       mac_cb->mac_id);
806                 mac_cb->phy_dev = of_phy_find_device(np);
807                 if (mac_cb->phy_dev) {
808                         /* refcount is held by of_phy_find_device()
809                          * if the phy_dev is found
810                          */
811                         put_device(&mac_cb->phy_dev->mdio.dev);
812
813                         dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
814                                 mac_cb->mac_id, np->name);
815                 }
816                 of_node_put(np);
817
818                 return 0;
819         }
820
821         if (is_of_node(mac_cb->fw_port)) {
822                 /* parse property from port subnode in dsaf */
823                 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
824                                       "phy-handle", 0);
825                 mac_cb->phy_dev = of_phy_find_device(np);
826                 if (mac_cb->phy_dev) {
827                         /* refcount is held by of_phy_find_device()
828                          * if the phy_dev is found
829                          */
830                         put_device(&mac_cb->phy_dev->mdio.dev);
831                         dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
832                                 mac_cb->mac_id, np->name);
833                 }
834                 of_node_put(np);
835
836                 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
837                                       "serdes-syscon", 0);
838                 syscon = syscon_node_to_regmap(np);
839                 of_node_put(np);
840                 if (IS_ERR_OR_NULL(syscon)) {
841                         dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
842                         return -EINVAL;
843                 }
844                 mac_cb->serdes_ctrl = syscon;
845
846                 ret = fwnode_property_read_u32(mac_cb->fw_port,
847                                                "port-rst-offset",
848                                                &mac_cb->port_rst_off);
849                 if (ret) {
850                         dev_dbg(mac_cb->dev,
851                                 "mac%d port-rst-offset not found, use default value.\n",
852                                 mac_cb->mac_id);
853                 }
854
855                 ret = fwnode_property_read_u32(mac_cb->fw_port,
856                                                "port-mode-offset",
857                                                &mac_cb->port_mode_off);
858                 if (ret) {
859                         dev_dbg(mac_cb->dev,
860                                 "mac%d port-mode-offset not found, use default value.\n",
861                                 mac_cb->mac_id);
862                 }
863
864                 ret = of_parse_phandle_with_fixed_args(
865                         to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
866                         &cpld_args);
867                 if (ret) {
868                         dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
869                                 mac_cb->mac_id);
870                         mac_cb->cpld_ctrl = NULL;
871                 } else {
872                         syscon = syscon_node_to_regmap(cpld_args.np);
873                         if (IS_ERR_OR_NULL(syscon)) {
874                                 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
875                                 mac_cb->cpld_ctrl = NULL;
876                         } else {
877                                 mac_cb->cpld_ctrl = syscon;
878                                 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
879                         }
880                 }
881         } else if (is_acpi_node(mac_cb->fw_port)) {
882                 ret = hns_mac_register_phy(mac_cb);
883                 /*
884                  * Mac can work well if there is phy or not.If the port don't
885                  * connect with phy, the return value will be ignored. Only
886                  * when there is phy but can't find mdio bus, the return value
887                  * will be handled.
888                  */
889                 if (ret == -EPROBE_DEFER)
890                         return ret;
891         } else {
892                 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
893                         mac_cb->mac_id);
894         }
895
896         if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
897                                          &media_type)) {
898                 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
899                         if (!strncmp(media_type_defs[i].name, media_type,
900                                      MAC_MEDIA_TYPE_MAX_LEN)) {
901                                 mac_cb->media_type = media_type_defs[i].value;
902                                 break;
903                         }
904                 }
905         }
906
907         if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
908                                           mac_cb->mc_mask, ETH_ALEN)) {
909                 dev_warn(mac_cb->dev,
910                          "no mc-mac-mask property, set to default value.\n");
911                 eth_broadcast_addr(mac_cb->mc_mask);
912         }
913
914         return 0;
915 }
916
917 /**
918  * hns_mac_get_mode - get mac mode
919  * @phy_if: phy interface
920  * retuen 0 - gmac, 1 - xgmac , negative --fail
921  */
922 static int hns_mac_get_mode(phy_interface_t phy_if)
923 {
924         switch (phy_if) {
925         case PHY_INTERFACE_MODE_SGMII:
926                 return MAC_GMAC_IDX;
927         case PHY_INTERFACE_MODE_XGMII:
928                 return MAC_XGMAC_IDX;
929         default:
930                 return -EINVAL;
931         }
932 }
933
934 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
935                               struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
936 {
937         u8 __iomem *base = dsaf_dev->io_base;
938         int mac_id = mac_cb->mac_id;
939
940         if (mac_cb->mac_type == HNAE_PORT_SERVICE)
941                 return base + 0x40000 + mac_id * 0x4000 -
942                                 mac_mode_idx * 0x20000;
943         else
944                 return dsaf_dev->ppe_base + 0x1000;
945 }
946
947 /**
948  * hns_mac_get_cfg - get mac cfg from dtb or acpi table
949  * @dsaf_dev: dsa fabric device struct pointer
950  * @mac_cb: mac control block
951  * return 0 - success , negative --fail
952  */
953 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
954 {
955         int ret;
956         u32 mac_mode_idx;
957
958         mac_cb->dsaf_dev = dsaf_dev;
959         mac_cb->dev = dsaf_dev->dev;
960
961         mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
962         mac_cb->serdes_vaddr = dsaf_dev->sds_base;
963
964         mac_cb->sfp_prsnt = 0;
965         mac_cb->txpkt_for_led = 0;
966         mac_cb->rxpkt_for_led = 0;
967
968         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
969                 mac_cb->mac_type = HNAE_PORT_SERVICE;
970         else
971                 mac_cb->mac_type = HNAE_PORT_DEBUG;
972
973         mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
974
975         ret = hns_mac_get_mode(mac_cb->phy_if);
976         if (ret < 0) {
977                 dev_err(dsaf_dev->dev,
978                         "hns_mac_get_mode failed, mac%d ret = %#x!\n",
979                         mac_cb->mac_id, ret);
980                 return ret;
981         }
982         mac_mode_idx = (u32)ret;
983
984         ret  = hns_mac_get_info(mac_cb);
985         if (ret)
986                 return ret;
987
988         mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
989         mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
990
991         return 0;
992 }
993
994 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
995 {
996         if (HNS_DSAF_IS_DEBUG(dsaf_dev))
997                 return 1;
998         else
999                 return  DSAF_MAX_PORT_NUM;
1000 }
1001
1002 /**
1003  * hns_mac_init - init mac
1004  * @dsaf_dev: dsa fabric device struct pointer
1005  * return 0 - success , negative --fail
1006  */
1007 int hns_mac_init(struct dsaf_device *dsaf_dev)
1008 {
1009         bool found = false;
1010         int ret;
1011         u32 port_id;
1012         int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1013         struct hns_mac_cb *mac_cb;
1014         struct fwnode_handle *child;
1015
1016         device_for_each_child_node(dsaf_dev->dev, child) {
1017                 ret = fwnode_property_read_u32(child, "reg", &port_id);
1018                 if (ret) {
1019                         dev_err(dsaf_dev->dev,
1020                                 "get reg fail, ret=%d!\n", ret);
1021                         return ret;
1022                 }
1023                 if (port_id >= max_port_num) {
1024                         dev_err(dsaf_dev->dev,
1025                                 "reg(%u) out of range!\n", port_id);
1026                         return -EINVAL;
1027                 }
1028                 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1029                                       GFP_KERNEL);
1030                 if (!mac_cb)
1031                         return -ENOMEM;
1032                 mac_cb->fw_port = child;
1033                 mac_cb->mac_id = (u8)port_id;
1034                 dsaf_dev->mac_cb[port_id] = mac_cb;
1035                 found = true;
1036         }
1037
1038         /* if don't get any port subnode from dsaf node
1039          * will init all port then, this is compatible with the old dts
1040          */
1041         if (!found) {
1042                 for (port_id = 0; port_id < max_port_num; port_id++) {
1043                         mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1044                                               GFP_KERNEL);
1045                         if (!mac_cb)
1046                                 return -ENOMEM;
1047
1048                         mac_cb->mac_id = port_id;
1049                         dsaf_dev->mac_cb[port_id] = mac_cb;
1050                 }
1051         }
1052
1053         /* init mac_cb for all port */
1054         for (port_id = 0; port_id < max_port_num; port_id++) {
1055                 mac_cb = dsaf_dev->mac_cb[port_id];
1056                 if (!mac_cb)
1057                         continue;
1058
1059                 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1060                 if (ret)
1061                         return ret;
1062
1063                 ret = hns_mac_init_ex(mac_cb);
1064                 if (ret)
1065                         return ret;
1066         }
1067
1068         return 0;
1069 }
1070
1071 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1072 {
1073         int i;
1074         int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1075
1076         for (i = 0; i < max_port_num; i++) {
1077                 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1078                 dsaf_dev->mac_cb[i] = NULL;
1079         }
1080 }
1081
1082 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1083                                 enum hnae_loop loop, int en)
1084 {
1085         int ret;
1086         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1087
1088         if (drv->config_loopback)
1089                 ret = drv->config_loopback(drv, loop, en);
1090         else
1091                 ret = -ENOTSUPP;
1092
1093         return ret;
1094 }
1095
1096 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1097 {
1098         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1099
1100         mac_ctrl_drv->update_stats(mac_ctrl_drv);
1101 }
1102
1103 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1104 {
1105         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1106
1107         mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1108 }
1109
1110 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1111                          int stringset, u8 *data)
1112 {
1113         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1114
1115         mac_ctrl_drv->get_strings(stringset, data);
1116 }
1117
1118 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1119 {
1120         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1121
1122         return mac_ctrl_drv->get_sset_count(stringset);
1123 }
1124
1125 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1126 {
1127         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1128
1129         hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1130
1131         if (mac_ctrl_drv->set_promiscuous)
1132                 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1133 }
1134
1135 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1136 {
1137         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1138
1139         return mac_ctrl_drv->get_regs_count();
1140 }
1141
1142 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1143 {
1144         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1145
1146         mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1147 }
1148
1149 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1150 {
1151         int nic_data = 0;
1152         int txpkts, rxpkts;
1153
1154         txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1155         rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1156         if (txpkts || rxpkts)
1157                 nic_data = 1;
1158         else
1159                 nic_data = 0;
1160         mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1161         mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1162         mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1163                          mac_cb->speed, nic_data);
1164 }
1165
1166 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1167                         enum hnae_led_state status)
1168 {
1169         if (!mac_cb)
1170                 return 0;
1171
1172         return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1173 }