Merge branch 'work.statx' into for-next
[sfrench/cifs-2.6.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         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_add_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
267                         const unsigned char *addr)
268 {
269         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
270         struct dsaf_drv_mac_single_dest_entry mac_entry;
271         int ret;
272
273         if (HNS_DSAF_IS_DEBUG(dsaf_dev))
274                 return -ENOSPC;
275
276         memset(&mac_entry, 0, sizeof(mac_entry));
277         memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
278         mac_entry.in_port_num = mac_cb->mac_id;
279         ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
280         if (ret)
281                 return ret;
282
283         return hns_dsaf_set_mac_uc_entry(dsaf_dev, &mac_entry);
284 }
285
286 int hns_mac_rm_uc_addr(struct hns_mac_cb *mac_cb, u8 vf_id,
287                        const unsigned char *addr)
288 {
289         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
290         struct dsaf_drv_mac_single_dest_entry mac_entry;
291         int ret;
292
293         if (HNS_DSAF_IS_DEBUG(dsaf_dev))
294                 return -ENOSPC;
295
296         memset(&mac_entry, 0, sizeof(mac_entry));
297         memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
298         mac_entry.in_port_num = mac_cb->mac_id;
299         ret = hns_mac_get_inner_port_num(mac_cb, vf_id, &mac_entry.port_num);
300         if (ret)
301                 return ret;
302
303         return hns_dsaf_rm_mac_addr(dsaf_dev, &mac_entry);
304 }
305
306 int hns_mac_set_multi(struct hns_mac_cb *mac_cb,
307                       u32 port_num, char *addr, bool enable)
308 {
309         int ret;
310         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
311         struct dsaf_drv_mac_single_dest_entry mac_entry;
312
313         if (!HNS_DSAF_IS_DEBUG(dsaf_dev) && addr) {
314                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
315                 mac_entry.in_vlan_id = 0;/*vlan_id;*/
316                 mac_entry.in_port_num = mac_cb->mac_id;
317                 mac_entry.port_num = port_num;
318
319                 if (!enable)
320                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
321                 else
322                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
323                 if (ret) {
324                         dev_err(dsaf_dev->dev,
325                                 "set mac mc port failed, %s mac%d ret = %#x!\n",
326                                 mac_cb->dsaf_dev->ae_dev.name,
327                                 mac_cb->mac_id, ret);
328                         return ret;
329                 }
330         }
331
332         return 0;
333 }
334
335 /**
336  *hns_mac_del_mac - delete mac address into dsaf table,can't delete the same
337  *                  address twice
338  *@net_dev: net device
339  *@vfn :   vf lan
340  *@mac : mac address
341  *return status
342  */
343 int hns_mac_del_mac(struct hns_mac_cb *mac_cb, u32 vfn, char *mac)
344 {
345         struct mac_entry_idx *old_mac;
346         struct dsaf_device *dsaf_dev;
347         u32 ret;
348
349         dsaf_dev = mac_cb->dsaf_dev;
350
351         if (vfn < DSAF_MAX_VM_NUM) {
352                 old_mac = &mac_cb->addr_entry_idx[vfn];
353         } else {
354                 dev_err(mac_cb->dev,
355                         "vf queue is too large, %s mac%d queue = %#x!\n",
356                         mac_cb->dsaf_dev->ae_dev.name, mac_cb->mac_id, vfn);
357                 return -EINVAL;
358         }
359
360         if (dsaf_dev) {
361                 ret = hns_dsaf_del_mac_entry(dsaf_dev, old_mac->vlan_id,
362                                              mac_cb->mac_id, old_mac->addr);
363                 if (ret)
364                         return ret;
365
366                 if (memcmp(old_mac->addr, mac, sizeof(old_mac->addr)) == 0)
367                         old_mac->valid = 0;
368         }
369
370         return 0;
371 }
372
373 int hns_mac_clr_multicast(struct hns_mac_cb *mac_cb, int vfn)
374 {
375         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
376         u8 port_num;
377         int ret = hns_mac_get_inner_port_num(mac_cb, vfn, &port_num);
378
379         if (ret)
380                 return ret;
381
382         return hns_dsaf_clr_mac_mc_port(dsaf_dev, mac_cb->mac_id, port_num);
383 }
384
385 static void hns_mac_param_get(struct mac_params *param,
386                               struct hns_mac_cb *mac_cb)
387 {
388         param->vaddr = (void *)mac_cb->vaddr;
389         param->mac_mode = hns_get_enet_interface(mac_cb);
390         ether_addr_copy(param->addr, mac_cb->addr_entry_idx[0].addr);
391         param->mac_id = mac_cb->mac_id;
392         param->dev = mac_cb->dev;
393 }
394
395 /**
396  *hns_mac_queue_config_bc_en - set broadcast rx&tx enable
397  *@mac_cb: mac device
398  *@queue: queue number
399  *@en:enable
400  *retuen 0 - success , negative --fail
401  */
402 static int hns_mac_port_config_bc_en(struct hns_mac_cb *mac_cb,
403                                      u32 port_num, u16 vlan_id, bool enable)
404 {
405         int ret;
406         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
407         u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
408         struct dsaf_drv_mac_single_dest_entry mac_entry;
409
410         /* directy return ok in debug network mode */
411         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
412                 return 0;
413
414         if (!HNS_DSAF_IS_DEBUG(dsaf_dev)) {
415                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
416                 mac_entry.in_vlan_id = vlan_id;
417                 mac_entry.in_port_num = mac_cb->mac_id;
418                 mac_entry.port_num = port_num;
419
420                 if (!enable)
421                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
422                 else
423                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
424                 return ret;
425         }
426
427         return 0;
428 }
429
430 /**
431  *hns_mac_vm_config_bc_en - set broadcast rx&tx enable
432  *@mac_cb: mac device
433  *@vmid: vm id
434  *@en:enable
435  *retuen 0 - success , negative --fail
436  */
437 int hns_mac_vm_config_bc_en(struct hns_mac_cb *mac_cb, u32 vmid, bool enable)
438 {
439         int ret;
440         struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
441         u8 port_num;
442         u8 addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
443         struct mac_entry_idx *uc_mac_entry;
444         struct dsaf_drv_mac_single_dest_entry mac_entry;
445
446         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
447                 return 0;
448
449         uc_mac_entry = &mac_cb->addr_entry_idx[vmid];
450
451         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))  {
452                 memcpy(mac_entry.addr, addr, sizeof(mac_entry.addr));
453                 mac_entry.in_vlan_id = uc_mac_entry->vlan_id;
454                 mac_entry.in_port_num = mac_cb->mac_id;
455                 ret = hns_mac_get_inner_port_num(mac_cb, vmid, &port_num);
456                 if (ret)
457                         return ret;
458                 mac_entry.port_num = port_num;
459
460                 if (!enable)
461                         ret = hns_dsaf_del_mac_mc_port(dsaf_dev, &mac_entry);
462                 else
463                         ret = hns_dsaf_add_mac_mc_port(dsaf_dev, &mac_entry);
464                 return ret;
465         }
466
467         return 0;
468 }
469
470 void hns_mac_reset(struct hns_mac_cb *mac_cb)
471 {
472         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
473         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
474
475         drv->mac_init(drv);
476
477         if (drv->config_max_frame_length)
478                 drv->config_max_frame_length(drv, mac_cb->max_frm);
479
480         if (drv->set_tx_auto_pause_frames)
481                 drv->set_tx_auto_pause_frames(drv, mac_cb->tx_pause_frm_time);
482
483         if (drv->set_an_mode)
484                 drv->set_an_mode(drv, 1);
485
486         if (drv->mac_pausefrm_cfg) {
487                 if (mac_cb->mac_type == HNAE_PORT_DEBUG)
488                         drv->mac_pausefrm_cfg(drv, !is_ver1, !is_ver1);
489                 else /* mac rx must disable, dsaf pfc close instead of it*/
490                         drv->mac_pausefrm_cfg(drv, 0, 1);
491         }
492 }
493
494 int hns_mac_set_mtu(struct hns_mac_cb *mac_cb, u32 new_mtu)
495 {
496         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
497         u32 buf_size = mac_cb->dsaf_dev->buf_size;
498         u32 new_frm = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
499         u32 max_frm = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver) ?
500                         MAC_MAX_MTU : MAC_MAX_MTU_V2;
501
502         if (mac_cb->mac_type == HNAE_PORT_DEBUG)
503                 max_frm = MAC_MAX_MTU_DBG;
504
505         if (new_frm > HNS_RCB_RING_MAX_BD_PER_PKT * buf_size)
506                 return -EINVAL;
507
508         if (!drv->config_max_frame_length)
509                 return -ECHILD;
510
511         /* adjust max frame to be at least the size of a standard frame */
512         if (new_frm < (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN))
513                 new_frm = (ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN);
514
515         drv->config_max_frame_length(drv, new_frm);
516
517         mac_cb->max_frm = new_frm;
518
519         return 0;
520 }
521
522 void hns_mac_start(struct hns_mac_cb *mac_cb)
523 {
524         struct mac_driver *mac_drv = hns_mac_get_drv(mac_cb);
525
526         /* for virt */
527         if (mac_drv->mac_en_flg == MAC_EN_FLAG_V) {
528                 /*plus 1 when the virtual mac has been enabled */
529                 mac_drv->virt_dev_num += 1;
530                 return;
531         }
532
533         if (mac_drv->mac_enable) {
534                 mac_drv->mac_enable(mac_cb->priv.mac, MAC_COMM_MODE_RX_AND_TX);
535                 mac_drv->mac_en_flg = MAC_EN_FLAG_V;
536         }
537 }
538
539 void hns_mac_stop(struct hns_mac_cb *mac_cb)
540 {
541         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
542
543         /*modified for virtualization */
544         if (mac_ctrl_drv->virt_dev_num > 0) {
545                 mac_ctrl_drv->virt_dev_num -= 1;
546                 if (mac_ctrl_drv->virt_dev_num > 0)
547                         return;
548         }
549
550         if (mac_ctrl_drv->mac_disable)
551                 mac_ctrl_drv->mac_disable(mac_cb->priv.mac,
552                         MAC_COMM_MODE_RX_AND_TX);
553
554         mac_ctrl_drv->mac_en_flg = 0;
555         mac_cb->link = 0;
556         mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
557 }
558
559 /**
560  * hns_mac_get_autoneg - get auto autonegotiation
561  * @mac_cb: mac control block
562  * @enable: enable or not
563  * retuen 0 - success , negative --fail
564  */
565 void hns_mac_get_autoneg(struct hns_mac_cb *mac_cb, u32 *auto_neg)
566 {
567         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
568
569         if (mac_ctrl_drv->autoneg_stat)
570                 mac_ctrl_drv->autoneg_stat(mac_ctrl_drv, auto_neg);
571         else
572                 *auto_neg = 0;
573 }
574
575 /**
576  * hns_mac_get_pauseparam - set rx & tx pause parameter
577  * @mac_cb: mac control block
578  * @rx_en: rx enable status
579  * @tx_en: tx enable status
580  * retuen 0 - success , negative --fail
581  */
582 void hns_mac_get_pauseparam(struct hns_mac_cb *mac_cb, u32 *rx_en, u32 *tx_en)
583 {
584         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
585
586         if (mac_ctrl_drv->get_pause_enable) {
587                 mac_ctrl_drv->get_pause_enable(mac_ctrl_drv, rx_en, tx_en);
588         } else {
589                 *rx_en = 0;
590                 *tx_en = 0;
591         }
592 }
593
594 /**
595  * hns_mac_set_autoneg - set auto autonegotiation
596  * @mac_cb: mac control block
597  * @enable: enable or not
598  * retuen 0 - success , negative --fail
599  */
600 int hns_mac_set_autoneg(struct hns_mac_cb *mac_cb, u8 enable)
601 {
602         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
603
604         if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII && enable) {
605                 dev_err(mac_cb->dev, "enabling autoneg is not allowed!\n");
606                 return -ENOTSUPP;
607         }
608
609         if (mac_ctrl_drv->set_an_mode)
610                 mac_ctrl_drv->set_an_mode(mac_ctrl_drv, enable);
611
612         return 0;
613 }
614
615 /**
616  * hns_mac_set_autoneg - set rx & tx pause parameter
617  * @mac_cb: mac control block
618  * @rx_en: rx enable or not
619  * @tx_en: tx enable or not
620  * return 0 - success , negative --fail
621  */
622 int hns_mac_set_pauseparam(struct hns_mac_cb *mac_cb, u32 rx_en, u32 tx_en)
623 {
624         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
625         bool is_ver1 = AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver);
626
627         if (mac_cb->mac_type == HNAE_PORT_DEBUG) {
628                 if (is_ver1 && (tx_en || rx_en)) {
629                         dev_err(mac_cb->dev, "macv1 can't enable tx/rx_pause!\n");
630                         return -EINVAL;
631                 }
632         }
633
634         if (mac_ctrl_drv->mac_pausefrm_cfg)
635                 mac_ctrl_drv->mac_pausefrm_cfg(mac_ctrl_drv, rx_en, tx_en);
636
637         return 0;
638 }
639
640 /**
641  * hns_mac_init_ex - mac init
642  * @mac_cb: mac control block
643  * retuen 0 - success , negative --fail
644  */
645 static int hns_mac_init_ex(struct hns_mac_cb *mac_cb)
646 {
647         int ret;
648         struct mac_params param;
649         struct mac_driver *drv;
650
651         hns_dsaf_fix_mac_mode(mac_cb);
652
653         memset(&param, 0, sizeof(struct mac_params));
654         hns_mac_param_get(&param, mac_cb);
655
656         if (MAC_SPEED_FROM_MODE(param.mac_mode) < MAC_SPEED_10000)
657                 drv = (struct mac_driver *)hns_gmac_config(mac_cb, &param);
658         else
659                 drv = (struct mac_driver *)hns_xgmac_config(mac_cb, &param);
660
661         if (!drv)
662                 return -ENOMEM;
663
664         mac_cb->priv.mac = (void *)drv;
665         hns_mac_reset(mac_cb);
666
667         hns_mac_adjust_link(mac_cb, mac_cb->speed, !mac_cb->half_duplex);
668
669         ret = hns_mac_port_config_bc_en(mac_cb, mac_cb->mac_id, 0, true);
670         if (ret)
671                 goto free_mac_drv;
672
673         return 0;
674
675 free_mac_drv:
676         drv->mac_free(mac_cb->priv.mac);
677         mac_cb->priv.mac = NULL;
678
679         return ret;
680 }
681
682 static int
683 hns_mac_phy_parse_addr(struct device *dev, struct fwnode_handle *fwnode)
684 {
685         u32 addr;
686         int ret;
687
688         ret = fwnode_property_read_u32(fwnode, "phy-addr", &addr);
689         if (ret) {
690                 dev_err(dev, "has invalid PHY address ret:%d\n", ret);
691                 return ret;
692         }
693
694         if (addr >= PHY_MAX_ADDR) {
695                 dev_err(dev, "PHY address %i is too large\n", addr);
696                 return -EINVAL;
697         }
698
699         return addr;
700 }
701
702 static int
703 hns_mac_register_phydev(struct mii_bus *mdio, struct hns_mac_cb *mac_cb,
704                         u32 addr)
705 {
706         struct phy_device *phy;
707         const char *phy_type;
708         bool is_c45;
709         int rc;
710
711         rc = fwnode_property_read_string(mac_cb->fw_port,
712                                          "phy-mode", &phy_type);
713         if (rc < 0)
714                 return rc;
715
716         if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_XGMII)))
717                 is_c45 = 1;
718         else if (!strcmp(phy_type, phy_modes(PHY_INTERFACE_MODE_SGMII)))
719                 is_c45 = 0;
720         else
721                 return -ENODATA;
722
723         phy = get_phy_device(mdio, addr, is_c45);
724         if (!phy || IS_ERR(phy))
725                 return -EIO;
726
727         phy->irq = mdio->irq[addr];
728
729         /* All data is now stored in the phy struct;
730          * register it
731          */
732         rc = phy_device_register(phy);
733         if (rc) {
734                 phy_device_free(phy);
735                 return -ENODEV;
736         }
737
738         mac_cb->phy_dev = phy;
739
740         dev_dbg(&mdio->dev, "registered phy at address %i\n", addr);
741
742         return 0;
743 }
744
745 static void hns_mac_register_phy(struct hns_mac_cb *mac_cb)
746 {
747         struct acpi_reference_args args;
748         struct platform_device *pdev;
749         struct mii_bus *mii_bus;
750         int rc;
751         int addr;
752
753         /* Loop over the child nodes and register a phy_device for each one */
754         if (!to_acpi_device_node(mac_cb->fw_port))
755                 return;
756
757         rc = acpi_node_get_property_reference(
758                         mac_cb->fw_port, "mdio-node", 0, &args);
759         if (rc)
760                 return;
761
762         addr = hns_mac_phy_parse_addr(mac_cb->dev, mac_cb->fw_port);
763         if (addr < 0)
764                 return;
765
766         /* dev address in adev */
767         pdev = hns_dsaf_find_platform_device(acpi_fwnode_handle(args.adev));
768         mii_bus = platform_get_drvdata(pdev);
769         rc = hns_mac_register_phydev(mii_bus, mac_cb, addr);
770         if (!rc)
771                 dev_dbg(mac_cb->dev, "mac%d register phy addr:%d\n",
772                         mac_cb->mac_id, addr);
773 }
774
775 #define MAC_MEDIA_TYPE_MAX_LEN          16
776
777 static const struct {
778         enum hnae_media_type value;
779         const char *name;
780 } media_type_defs[] = {
781         {HNAE_MEDIA_TYPE_UNKNOWN,       "unknown" },
782         {HNAE_MEDIA_TYPE_FIBER,         "fiber" },
783         {HNAE_MEDIA_TYPE_COPPER,        "copper" },
784         {HNAE_MEDIA_TYPE_BACKPLANE,     "backplane" },
785 };
786
787 /**
788  *hns_mac_get_info  - get mac information from device node
789  *@mac_cb: mac device
790  *@np:device node
791  * return: 0 --success, negative --fail
792  */
793 static int  hns_mac_get_info(struct hns_mac_cb *mac_cb)
794 {
795         struct device_node *np;
796         struct regmap *syscon;
797         struct of_phandle_args cpld_args;
798         const char *media_type;
799         u32 i;
800         u32 ret;
801
802         mac_cb->link = false;
803         mac_cb->half_duplex = false;
804         mac_cb->media_type = HNAE_MEDIA_TYPE_UNKNOWN;
805         mac_cb->speed = mac_phy_to_speed[mac_cb->phy_if];
806         mac_cb->max_speed = mac_cb->speed;
807
808         if (mac_cb->phy_if == PHY_INTERFACE_MODE_SGMII) {
809                 mac_cb->if_support = MAC_GMAC_SUPPORTED;
810                 mac_cb->if_support |= SUPPORTED_1000baseT_Full;
811         } else if (mac_cb->phy_if == PHY_INTERFACE_MODE_XGMII) {
812                 mac_cb->if_support = SUPPORTED_10000baseR_FEC;
813                 mac_cb->if_support |= SUPPORTED_10000baseKR_Full;
814         }
815
816         mac_cb->max_frm = MAC_DEFAULT_MTU;
817         mac_cb->tx_pause_frm_time = MAC_DEFAULT_PAUSE_TIME;
818         mac_cb->port_rst_off = mac_cb->mac_id;
819         mac_cb->port_mode_off = 0;
820
821         /* if the dsaf node doesn't contain a port subnode, get phy-handle
822          * from dsaf node
823          */
824         if (!mac_cb->fw_port) {
825                 np = of_parse_phandle(mac_cb->dev->of_node, "phy-handle",
826                                       mac_cb->mac_id);
827                 mac_cb->phy_dev = of_phy_find_device(np);
828                 if (mac_cb->phy_dev) {
829                         /* refcount is held by of_phy_find_device()
830                          * if the phy_dev is found
831                          */
832                         put_device(&mac_cb->phy_dev->mdio.dev);
833
834                         dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
835                                 mac_cb->mac_id, np->name);
836                 }
837                 of_node_put(np);
838
839                 return 0;
840         }
841
842         if (is_of_node(mac_cb->fw_port)) {
843                 /* parse property from port subnode in dsaf */
844                 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
845                                       "phy-handle", 0);
846                 mac_cb->phy_dev = of_phy_find_device(np);
847                 if (mac_cb->phy_dev) {
848                         /* refcount is held by of_phy_find_device()
849                          * if the phy_dev is found
850                          */
851                         put_device(&mac_cb->phy_dev->mdio.dev);
852                         dev_dbg(mac_cb->dev, "mac%d phy_node: %s\n",
853                                 mac_cb->mac_id, np->name);
854                 }
855                 of_node_put(np);
856
857                 np = of_parse_phandle(to_of_node(mac_cb->fw_port),
858                                         "serdes-syscon", 0);
859                 syscon = syscon_node_to_regmap(np);
860                 of_node_put(np);
861                 if (IS_ERR_OR_NULL(syscon)) {
862                         dev_err(mac_cb->dev, "serdes-syscon is needed!\n");
863                         return -EINVAL;
864                 }
865                 mac_cb->serdes_ctrl = syscon;
866
867                 ret = fwnode_property_read_u32(mac_cb->fw_port,
868                                                "port-rst-offset",
869                                                &mac_cb->port_rst_off);
870                 if (ret) {
871                         dev_dbg(mac_cb->dev,
872                                 "mac%d port-rst-offset not found, use default value.\n",
873                                 mac_cb->mac_id);
874                 }
875
876                 ret = fwnode_property_read_u32(mac_cb->fw_port,
877                                                "port-mode-offset",
878                                                &mac_cb->port_mode_off);
879                 if (ret) {
880                         dev_dbg(mac_cb->dev,
881                                 "mac%d port-mode-offset not found, use default value.\n",
882                                 mac_cb->mac_id);
883                 }
884
885                 ret = of_parse_phandle_with_fixed_args(
886                         to_of_node(mac_cb->fw_port), "cpld-syscon", 1, 0,
887                         &cpld_args);
888                 if (ret) {
889                         dev_dbg(mac_cb->dev, "mac%d no cpld-syscon found.\n",
890                                 mac_cb->mac_id);
891                         mac_cb->cpld_ctrl = NULL;
892                 } else {
893                         syscon = syscon_node_to_regmap(cpld_args.np);
894                         if (IS_ERR_OR_NULL(syscon)) {
895                                 dev_dbg(mac_cb->dev, "no cpld-syscon found!\n");
896                                 mac_cb->cpld_ctrl = NULL;
897                         } else {
898                                 mac_cb->cpld_ctrl = syscon;
899                                 mac_cb->cpld_ctrl_reg = cpld_args.args[0];
900                         }
901                 }
902         } else if (is_acpi_node(mac_cb->fw_port)) {
903                 hns_mac_register_phy(mac_cb);
904         } else {
905                 dev_err(mac_cb->dev, "mac%d cannot find phy node\n",
906                         mac_cb->mac_id);
907         }
908
909         if (!fwnode_property_read_string(mac_cb->fw_port, "media-type",
910                                          &media_type)) {
911                 for (i = 0; i < ARRAY_SIZE(media_type_defs); i++) {
912                         if (!strncmp(media_type_defs[i].name, media_type,
913                                      MAC_MEDIA_TYPE_MAX_LEN)) {
914                                 mac_cb->media_type = media_type_defs[i].value;
915                                 break;
916                         }
917                 }
918         }
919
920         if (fwnode_property_read_u8_array(mac_cb->fw_port, "mc-mac-mask",
921                                           mac_cb->mc_mask, ETH_ALEN)) {
922                 dev_warn(mac_cb->dev,
923                          "no mc-mac-mask property, set to default value.\n");
924                 eth_broadcast_addr(mac_cb->mc_mask);
925         }
926
927         return 0;
928 }
929
930 /**
931  * hns_mac_get_mode - get mac mode
932  * @phy_if: phy interface
933  * retuen 0 - gmac, 1 - xgmac , negative --fail
934  */
935 static int hns_mac_get_mode(phy_interface_t phy_if)
936 {
937         switch (phy_if) {
938         case PHY_INTERFACE_MODE_SGMII:
939                 return MAC_GMAC_IDX;
940         case PHY_INTERFACE_MODE_XGMII:
941                 return MAC_XGMAC_IDX;
942         default:
943                 return -EINVAL;
944         }
945 }
946
947 u8 __iomem *hns_mac_get_vaddr(struct dsaf_device *dsaf_dev,
948                               struct hns_mac_cb *mac_cb, u32 mac_mode_idx)
949 {
950         u8 __iomem *base = dsaf_dev->io_base;
951         int mac_id = mac_cb->mac_id;
952
953         if (mac_cb->mac_type == HNAE_PORT_SERVICE)
954                 return base + 0x40000 + mac_id * 0x4000 -
955                                 mac_mode_idx * 0x20000;
956         else
957                 return dsaf_dev->ppe_base + 0x1000;
958 }
959
960 /**
961  * hns_mac_get_cfg - get mac cfg from dtb or acpi table
962  * @dsaf_dev: dsa fabric device struct pointer
963  * @mac_cb: mac control block
964  * return 0 - success , negative --fail
965  */
966 int hns_mac_get_cfg(struct dsaf_device *dsaf_dev, struct hns_mac_cb *mac_cb)
967 {
968         int ret;
969         u32 mac_mode_idx;
970
971         mac_cb->dsaf_dev = dsaf_dev;
972         mac_cb->dev = dsaf_dev->dev;
973
974         mac_cb->sys_ctl_vaddr = dsaf_dev->sc_base;
975         mac_cb->serdes_vaddr = dsaf_dev->sds_base;
976
977         mac_cb->sfp_prsnt = 0;
978         mac_cb->txpkt_for_led = 0;
979         mac_cb->rxpkt_for_led = 0;
980
981         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
982                 mac_cb->mac_type = HNAE_PORT_SERVICE;
983         else
984                 mac_cb->mac_type = HNAE_PORT_DEBUG;
985
986         mac_cb->phy_if = dsaf_dev->misc_op->get_phy_if(mac_cb);
987
988         ret = hns_mac_get_mode(mac_cb->phy_if);
989         if (ret < 0) {
990                 dev_err(dsaf_dev->dev,
991                         "hns_mac_get_mode failed, mac%d ret = %#x!\n",
992                         mac_cb->mac_id, ret);
993                 return ret;
994         }
995         mac_mode_idx = (u32)ret;
996
997         ret  = hns_mac_get_info(mac_cb);
998         if (ret)
999                 return ret;
1000
1001         mac_cb->dsaf_dev->misc_op->cpld_reset_led(mac_cb);
1002         mac_cb->vaddr = hns_mac_get_vaddr(dsaf_dev, mac_cb, mac_mode_idx);
1003
1004         return 0;
1005 }
1006
1007 static int hns_mac_get_max_port_num(struct dsaf_device *dsaf_dev)
1008 {
1009         if (HNS_DSAF_IS_DEBUG(dsaf_dev))
1010                 return 1;
1011         else
1012                 return  DSAF_MAX_PORT_NUM;
1013 }
1014
1015 /**
1016  * hns_mac_init - init mac
1017  * @dsaf_dev: dsa fabric device struct pointer
1018  * return 0 - success , negative --fail
1019  */
1020 int hns_mac_init(struct dsaf_device *dsaf_dev)
1021 {
1022         bool found = false;
1023         int ret;
1024         u32 port_id;
1025         int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1026         struct hns_mac_cb *mac_cb;
1027         struct fwnode_handle *child;
1028
1029         device_for_each_child_node(dsaf_dev->dev, child) {
1030                 ret = fwnode_property_read_u32(child, "reg", &port_id);
1031                 if (ret) {
1032                         dev_err(dsaf_dev->dev,
1033                                 "get reg fail, ret=%d!\n", ret);
1034                         return ret;
1035                 }
1036                 if (port_id >= max_port_num) {
1037                         dev_err(dsaf_dev->dev,
1038                                 "reg(%u) out of range!\n", port_id);
1039                         return -EINVAL;
1040                 }
1041                 mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1042                                       GFP_KERNEL);
1043                 if (!mac_cb)
1044                         return -ENOMEM;
1045                 mac_cb->fw_port = child;
1046                 mac_cb->mac_id = (u8)port_id;
1047                 dsaf_dev->mac_cb[port_id] = mac_cb;
1048                 found = true;
1049         }
1050
1051         /* if don't get any port subnode from dsaf node
1052          * will init all port then, this is compatible with the old dts
1053          */
1054         if (!found) {
1055                 for (port_id = 0; port_id < max_port_num; port_id++) {
1056                         mac_cb = devm_kzalloc(dsaf_dev->dev, sizeof(*mac_cb),
1057                                               GFP_KERNEL);
1058                         if (!mac_cb)
1059                                 return -ENOMEM;
1060
1061                         mac_cb->mac_id = port_id;
1062                         dsaf_dev->mac_cb[port_id] = mac_cb;
1063                 }
1064         }
1065         /* init mac_cb for all port */
1066         for (port_id = 0; port_id < max_port_num; port_id++) {
1067                 mac_cb = dsaf_dev->mac_cb[port_id];
1068                 if (!mac_cb)
1069                         continue;
1070
1071                 ret = hns_mac_get_cfg(dsaf_dev, mac_cb);
1072                 if (ret)
1073                         return ret;
1074                 ret = hns_mac_init_ex(mac_cb);
1075                 if (ret)
1076                         return ret;
1077         }
1078
1079         return 0;
1080 }
1081
1082 void hns_mac_uninit(struct dsaf_device *dsaf_dev)
1083 {
1084         int i;
1085         int max_port_num = hns_mac_get_max_port_num(dsaf_dev);
1086
1087         for (i = 0; i < max_port_num; i++) {
1088                 dsaf_dev->misc_op->cpld_reset_led(dsaf_dev->mac_cb[i]);
1089                 dsaf_dev->mac_cb[i] = NULL;
1090         }
1091 }
1092
1093 int hns_mac_config_mac_loopback(struct hns_mac_cb *mac_cb,
1094                                 enum hnae_loop loop, int en)
1095 {
1096         int ret;
1097         struct mac_driver *drv = hns_mac_get_drv(mac_cb);
1098
1099         if (drv->config_loopback)
1100                 ret = drv->config_loopback(drv, loop, en);
1101         else
1102                 ret = -ENOTSUPP;
1103
1104         return ret;
1105 }
1106
1107 void hns_mac_update_stats(struct hns_mac_cb *mac_cb)
1108 {
1109         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1110
1111         mac_ctrl_drv->update_stats(mac_ctrl_drv);
1112 }
1113
1114 void hns_mac_get_stats(struct hns_mac_cb *mac_cb, u64 *data)
1115 {
1116         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1117
1118         mac_ctrl_drv->get_ethtool_stats(mac_ctrl_drv, data);
1119 }
1120
1121 void hns_mac_get_strings(struct hns_mac_cb *mac_cb,
1122                          int stringset, u8 *data)
1123 {
1124         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1125
1126         mac_ctrl_drv->get_strings(stringset, data);
1127 }
1128
1129 int hns_mac_get_sset_count(struct hns_mac_cb *mac_cb, int stringset)
1130 {
1131         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1132
1133         return mac_ctrl_drv->get_sset_count(stringset);
1134 }
1135
1136 void hns_mac_set_promisc(struct hns_mac_cb *mac_cb, u8 en)
1137 {
1138         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1139
1140         hns_dsaf_set_promisc_tcam(mac_cb->dsaf_dev, mac_cb->mac_id, !!en);
1141
1142         if (mac_ctrl_drv->set_promiscuous)
1143                 mac_ctrl_drv->set_promiscuous(mac_ctrl_drv, en);
1144 }
1145
1146 int hns_mac_get_regs_count(struct hns_mac_cb *mac_cb)
1147 {
1148         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1149
1150         return mac_ctrl_drv->get_regs_count();
1151 }
1152
1153 void hns_mac_get_regs(struct hns_mac_cb *mac_cb, void *data)
1154 {
1155         struct mac_driver *mac_ctrl_drv = hns_mac_get_drv(mac_cb);
1156
1157         mac_ctrl_drv->get_regs(mac_ctrl_drv, data);
1158 }
1159
1160 void hns_set_led_opt(struct hns_mac_cb *mac_cb)
1161 {
1162         int nic_data = 0;
1163         int txpkts, rxpkts;
1164
1165         txpkts = mac_cb->txpkt_for_led - mac_cb->hw_stats.tx_good_pkts;
1166         rxpkts = mac_cb->rxpkt_for_led - mac_cb->hw_stats.rx_good_pkts;
1167         if (txpkts || rxpkts)
1168                 nic_data = 1;
1169         else
1170                 nic_data = 0;
1171         mac_cb->txpkt_for_led = mac_cb->hw_stats.tx_good_pkts;
1172         mac_cb->rxpkt_for_led = mac_cb->hw_stats.rx_good_pkts;
1173         mac_cb->dsaf_dev->misc_op->cpld_set_led(mac_cb, (int)mac_cb->link,
1174                          mac_cb->speed, nic_data);
1175 }
1176
1177 int hns_cpld_led_set_id(struct hns_mac_cb *mac_cb,
1178                         enum hnae_led_state status)
1179 {
1180         if (!mac_cb || !mac_cb->cpld_ctrl)
1181                 return 0;
1182
1183         return mac_cb->dsaf_dev->misc_op->cpld_set_led_id(mac_cb, status);
1184 }