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Merge branches 'amba', 'devel-stable', 'kexec-for-next' and 'misc' into for-linus
[karo-tx-linux.git] / drivers / net / ethernet / hisilicon / hns / hns_ae_adapt.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/etherdevice.h>
11 #include <linux/netdevice.h>
12 #include <linux/spinlock.h>
13
14 #include "hnae.h"
15 #include "hns_dsaf_mac.h"
16 #include "hns_dsaf_main.h"
17 #include "hns_dsaf_ppe.h"
18 #include "hns_dsaf_rcb.h"
19
20 #define AE_NAME_PORT_ID_IDX 6
21 #define ETH_STATIC_REG   1
22 #define ETH_DUMP_REG     5
23 #define ETH_GSTRING_LEN 32
24
25 static struct hns_mac_cb *hns_get_mac_cb(struct hnae_handle *handle)
26 {
27         struct  hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
28
29         return vf_cb->mac_cb;
30 }
31
32 /**
33  * hns_ae_map_eport_to_dport - translate enet port id to dsaf port id
34  * @port_id: enet port id
35  *: debug port 0-1, service port 2 -7 (dsaf mode only 2)
36  * return: dsaf port id
37  *: service ports 0 - 5, debug port 6-7
38  **/
39 static int hns_ae_map_eport_to_dport(u32 port_id)
40 {
41         int port_index;
42
43         if (port_id < DSAF_DEBUG_NW_NUM)
44                 port_index = port_id + DSAF_SERVICE_PORT_NUM_PER_DSAF;
45         else
46                 port_index = port_id - DSAF_DEBUG_NW_NUM;
47
48         return port_index;
49 }
50
51 static struct dsaf_device *hns_ae_get_dsaf_dev(struct hnae_ae_dev *dev)
52 {
53         return container_of(dev, struct dsaf_device, ae_dev);
54 }
55
56 static struct hns_ppe_cb *hns_get_ppe_cb(struct hnae_handle *handle)
57 {
58         int ppe_index;
59         int ppe_common_index;
60         struct ppe_common_cb *ppe_comm;
61         struct  hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
62
63         if (vf_cb->port_index < DSAF_SERVICE_PORT_NUM_PER_DSAF) {
64                 ppe_index = vf_cb->port_index;
65                 ppe_common_index = 0;
66         } else {
67                 ppe_index = 0;
68                 ppe_common_index =
69                         vf_cb->port_index - DSAF_SERVICE_PORT_NUM_PER_DSAF + 1;
70         }
71         ppe_comm = vf_cb->dsaf_dev->ppe_common[ppe_common_index];
72         return &ppe_comm->ppe_cb[ppe_index];
73 }
74
75 static int hns_ae_get_q_num_per_vf(
76         struct dsaf_device *dsaf_dev, int port)
77 {
78         int common_idx = hns_dsaf_get_comm_idx_by_port(port);
79
80         return dsaf_dev->rcb_common[common_idx]->max_q_per_vf;
81 }
82
83 static int hns_ae_get_vf_num_per_port(
84         struct dsaf_device *dsaf_dev, int port)
85 {
86         int common_idx = hns_dsaf_get_comm_idx_by_port(port);
87
88         return dsaf_dev->rcb_common[common_idx]->max_vfn;
89 }
90
91 static struct ring_pair_cb *hns_ae_get_base_ring_pair(
92         struct dsaf_device *dsaf_dev, int port)
93 {
94         int common_idx = hns_dsaf_get_comm_idx_by_port(port);
95         struct rcb_common_cb *rcb_comm = dsaf_dev->rcb_common[common_idx];
96         int q_num = rcb_comm->max_q_per_vf;
97         int vf_num = rcb_comm->max_vfn;
98
99         if (common_idx == HNS_DSAF_COMM_SERVICE_NW_IDX)
100                 return &rcb_comm->ring_pair_cb[port * q_num * vf_num];
101         else
102                 return &rcb_comm->ring_pair_cb[0];
103 }
104
105 static struct ring_pair_cb *hns_ae_get_ring_pair(struct hnae_queue *q)
106 {
107         return container_of(q, struct ring_pair_cb, q);
108 }
109
110 struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev,
111                                       u32 port_id)
112 {
113         int port_idx;
114         int vfnum_per_port;
115         int qnum_per_vf;
116         int i;
117         struct dsaf_device *dsaf_dev;
118         struct hnae_handle *ae_handle;
119         struct ring_pair_cb *ring_pair_cb;
120         struct hnae_vf_cb *vf_cb;
121
122         dsaf_dev = hns_ae_get_dsaf_dev(dev);
123         port_idx = hns_ae_map_eport_to_dport(port_id);
124
125         ring_pair_cb = hns_ae_get_base_ring_pair(dsaf_dev, port_idx);
126         vfnum_per_port = hns_ae_get_vf_num_per_port(dsaf_dev, port_idx);
127         qnum_per_vf = hns_ae_get_q_num_per_vf(dsaf_dev, port_idx);
128
129         vf_cb = kzalloc(sizeof(*vf_cb) +
130                         qnum_per_vf * sizeof(struct hnae_queue *), GFP_KERNEL);
131         if (unlikely(!vf_cb)) {
132                 dev_err(dsaf_dev->dev, "malloc vf_cb fail!\n");
133                 ae_handle = ERR_PTR(-ENOMEM);
134                 goto handle_err;
135         }
136         ae_handle = &vf_cb->ae_handle;
137         /* ae_handle Init  */
138         ae_handle->owner_dev = dsaf_dev->dev;
139         ae_handle->dev = dev;
140         ae_handle->q_num = qnum_per_vf;
141
142         /* find ring pair, and set vf id*/
143         for (ae_handle->vf_id = 0;
144                 ae_handle->vf_id < vfnum_per_port; ae_handle->vf_id++) {
145                 if (!ring_pair_cb->used_by_vf)
146                         break;
147                 ring_pair_cb += qnum_per_vf;
148         }
149         if (ae_handle->vf_id >= vfnum_per_port) {
150                 dev_err(dsaf_dev->dev, "malloc queue fail!\n");
151                 ae_handle = ERR_PTR(-EINVAL);
152                 goto vf_id_err;
153         }
154
155         ae_handle->qs = (struct hnae_queue **)(&ae_handle->qs + 1);
156         for (i = 0; i < qnum_per_vf; i++) {
157                 ae_handle->qs[i] = &ring_pair_cb->q;
158                 ae_handle->qs[i]->rx_ring.q = ae_handle->qs[i];
159                 ae_handle->qs[i]->tx_ring.q = ae_handle->qs[i];
160
161                 ring_pair_cb->used_by_vf = 1;
162                 ring_pair_cb++;
163         }
164
165         vf_cb->dsaf_dev = dsaf_dev;
166         vf_cb->port_index = port_idx;
167         vf_cb->mac_cb = &dsaf_dev->mac_cb[port_idx];
168
169         ae_handle->phy_if = vf_cb->mac_cb->phy_if;
170         ae_handle->phy_node = vf_cb->mac_cb->phy_node;
171         ae_handle->if_support = vf_cb->mac_cb->if_support;
172         ae_handle->port_type = vf_cb->mac_cb->mac_type;
173         ae_handle->dport_id = port_idx;
174
175         return ae_handle;
176 vf_id_err:
177         kfree(vf_cb);
178 handle_err:
179         return ae_handle;
180 }
181
182 static void hns_ae_put_handle(struct hnae_handle *handle)
183 {
184         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
185         int i;
186
187         vf_cb->mac_cb    = NULL;
188
189         kfree(vf_cb);
190
191         for (i = 0; i < handle->q_num; i++)
192                 hns_ae_get_ring_pair(handle->qs[i])->used_by_vf = 0;
193 }
194
195 static void hns_ae_ring_enable_all(struct hnae_handle *handle, int val)
196 {
197         int q_num = handle->q_num;
198         int i;
199
200         for (i = 0; i < q_num; i++)
201                 hns_rcb_ring_enable_hw(handle->qs[i], val);
202 }
203
204 static void hns_ae_init_queue(struct hnae_queue *q)
205 {
206         struct ring_pair_cb *ring =
207                 container_of(q, struct ring_pair_cb, q);
208
209         hns_rcb_init_hw(ring);
210 }
211
212 static void hns_ae_fini_queue(struct hnae_queue *q)
213 {
214         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(q->handle);
215
216         if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
217                 hns_rcb_reset_ring_hw(q);
218 }
219
220 static int hns_ae_set_mac_address(struct hnae_handle *handle, void *p)
221 {
222         int ret;
223         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
224
225         if (!p || !is_valid_ether_addr((const u8 *)p)) {
226                 dev_err(handle->owner_dev, "is not valid ether addr !\n");
227                 return -EADDRNOTAVAIL;
228         }
229
230         ret = hns_mac_change_vf_addr(mac_cb, handle->vf_id, p);
231         if (ret != 0) {
232                 dev_err(handle->owner_dev,
233                         "set_mac_address fail, ret=%d!\n", ret);
234                 return ret;
235         }
236
237         return 0;
238 }
239
240 static int hns_ae_set_multicast_one(struct hnae_handle *handle, void *addr)
241 {
242         int ret;
243         char *mac_addr = (char *)addr;
244         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
245
246         assert(mac_cb);
247
248         if (mac_cb->mac_type != HNAE_PORT_SERVICE)
249                 return 0;
250
251         ret = hns_mac_set_multi(mac_cb, mac_cb->mac_id, mac_addr, true);
252         if (ret) {
253                 dev_err(handle->owner_dev,
254                         "mac add mul_mac:%pM port%d  fail, ret = %#x!\n",
255                         mac_addr, mac_cb->mac_id, ret);
256                 return ret;
257         }
258
259         ret = hns_mac_set_multi(mac_cb, DSAF_BASE_INNER_PORT_NUM,
260                                 mac_addr, true);
261         if (ret)
262                 dev_err(handle->owner_dev,
263                         "mac add mul_mac:%pM port%d  fail, ret = %#x!\n",
264                         mac_addr, DSAF_BASE_INNER_PORT_NUM, ret);
265
266         return ret;
267 }
268
269 static int hns_ae_set_mtu(struct hnae_handle *handle, int new_mtu)
270 {
271         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
272
273         return hns_mac_set_mtu(mac_cb, new_mtu);
274 }
275
276 static void hns_ae_set_tso_stats(struct hnae_handle *handle, int enable)
277 {
278         struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
279
280         hns_ppe_set_tso_enable(ppe_cb, enable);
281 }
282
283 static int hns_ae_start(struct hnae_handle *handle)
284 {
285         int ret;
286         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
287
288         ret = hns_mac_vm_config_bc_en(mac_cb, 0, true);
289         if (ret)
290                 return ret;
291
292         hns_ae_ring_enable_all(handle, 1);
293         msleep(100);
294
295         hns_mac_start(mac_cb);
296
297         return 0;
298 }
299
300 void hns_ae_stop(struct hnae_handle *handle)
301 {
302         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
303
304         /* just clean tx fbd, neednot rx fbd*/
305         hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_TX);
306
307         msleep(20);
308
309         hns_mac_stop(mac_cb);
310
311         usleep_range(10000, 20000);
312
313         hns_ae_ring_enable_all(handle, 0);
314
315         (void)hns_mac_vm_config_bc_en(mac_cb, 0, false);
316 }
317
318 static void hns_ae_reset(struct hnae_handle *handle)
319 {
320         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
321
322         if (vf_cb->mac_cb->mac_type == HNAE_PORT_DEBUG) {
323                 u8 ppe_common_index =
324                         vf_cb->port_index - DSAF_SERVICE_PORT_NUM_PER_DSAF + 1;
325
326                 hns_mac_reset(vf_cb->mac_cb);
327                 hns_ppe_reset_common(vf_cb->dsaf_dev, ppe_common_index);
328         }
329 }
330
331 void hns_ae_toggle_ring_irq(struct hnae_ring *ring, u32 mask)
332 {
333         u32 flag;
334
335         if (is_tx_ring(ring))
336                 flag = RCB_INT_FLAG_TX;
337         else
338                 flag = RCB_INT_FLAG_RX;
339
340         hns_rcb_int_ctrl_hw(ring->q, flag, mask);
341 }
342
343 static void hns_aev2_toggle_ring_irq(struct hnae_ring *ring, u32 mask)
344 {
345         u32 flag;
346
347         if (is_tx_ring(ring))
348                 flag = RCB_INT_FLAG_TX;
349         else
350                 flag = RCB_INT_FLAG_RX;
351
352         hns_rcbv2_int_ctrl_hw(ring->q, flag, mask);
353 }
354
355 static void hns_ae_toggle_queue_status(struct hnae_queue *queue, u32 val)
356 {
357         struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(queue->dev);
358
359         if (AE_IS_VER1(dsaf_dev->dsaf_ver))
360                 hns_rcb_int_clr_hw(queue, RCB_INT_FLAG_TX | RCB_INT_FLAG_RX);
361         else
362                 hns_rcbv2_int_clr_hw(queue, RCB_INT_FLAG_TX | RCB_INT_FLAG_RX);
363
364         hns_rcb_start(queue, val);
365 }
366
367 static int hns_ae_get_link_status(struct hnae_handle *handle)
368 {
369         u32 link_status;
370         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
371
372         hns_mac_get_link_status(mac_cb, &link_status);
373
374         return !!link_status;
375 }
376
377 static int hns_ae_get_mac_info(struct hnae_handle *handle,
378                                u8 *auto_neg, u16 *speed, u8 *duplex)
379 {
380         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
381
382         return hns_mac_get_port_info(mac_cb, auto_neg, speed, duplex);
383 }
384
385 static void hns_ae_adjust_link(struct hnae_handle *handle, int speed,
386                                int duplex)
387 {
388         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
389
390         hns_mac_adjust_link(mac_cb, speed, duplex);
391 }
392
393 static void hns_ae_get_ring_bdnum_limit(struct hnae_queue *queue,
394                                         u32 *uplimit)
395 {
396         *uplimit = HNS_RCB_RING_MAX_PENDING_BD;
397 }
398
399 static void hns_ae_get_pauseparam(struct hnae_handle *handle,
400                                   u32 *auto_neg, u32 *rx_en, u32 *tx_en)
401 {
402         assert(handle);
403
404         hns_mac_get_autoneg(hns_get_mac_cb(handle), auto_neg);
405
406         hns_mac_get_pauseparam(hns_get_mac_cb(handle), rx_en, tx_en);
407 }
408
409 static int hns_ae_set_autoneg(struct hnae_handle *handle, u8 enable)
410 {
411         assert(handle);
412
413         return hns_mac_set_autoneg(hns_get_mac_cb(handle), enable);
414 }
415
416 static void hns_ae_set_promisc_mode(struct hnae_handle *handle, u32 en)
417 {
418         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
419
420         hns_dsaf_set_promisc_mode(hns_ae_get_dsaf_dev(handle->dev), en);
421         hns_mac_set_promisc(mac_cb, (u8)!!en);
422 }
423
424 static int hns_ae_get_autoneg(struct hnae_handle *handle)
425 {
426         u32     auto_neg;
427
428         assert(handle);
429
430         hns_mac_get_autoneg(hns_get_mac_cb(handle), &auto_neg);
431
432         return auto_neg;
433 }
434
435 static int hns_ae_set_pauseparam(struct hnae_handle *handle,
436                                  u32 autoneg, u32 rx_en, u32 tx_en)
437 {
438         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
439         int ret;
440
441         ret = hns_mac_set_autoneg(mac_cb, autoneg);
442         if (ret)
443                 return ret;
444
445         return hns_mac_set_pauseparam(mac_cb, rx_en, tx_en);
446 }
447
448 static void hns_ae_get_coalesce_usecs(struct hnae_handle *handle,
449                                       u32 *tx_usecs, u32 *rx_usecs)
450 {
451         struct ring_pair_cb *ring_pair =
452                 container_of(handle->qs[0], struct ring_pair_cb, q);
453
454         *tx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common,
455                                                ring_pair->port_id_in_comm);
456         *rx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common,
457                                                ring_pair->port_id_in_comm);
458 }
459
460 static void hns_ae_get_rx_max_coalesced_frames(struct hnae_handle *handle,
461                                                u32 *tx_frames, u32 *rx_frames)
462 {
463         struct ring_pair_cb *ring_pair =
464                 container_of(handle->qs[0], struct ring_pair_cb, q);
465
466         *tx_frames = hns_rcb_get_coalesced_frames(ring_pair->rcb_common,
467                                                   ring_pair->port_id_in_comm);
468         *rx_frames = hns_rcb_get_coalesced_frames(ring_pair->rcb_common,
469                                                   ring_pair->port_id_in_comm);
470 }
471
472 static int hns_ae_set_coalesce_usecs(struct hnae_handle *handle,
473                                      u32 timeout)
474 {
475         struct ring_pair_cb *ring_pair =
476                 container_of(handle->qs[0], struct ring_pair_cb, q);
477
478         return hns_rcb_set_coalesce_usecs(
479                 ring_pair->rcb_common, ring_pair->port_id_in_comm, timeout);
480 }
481
482 static int  hns_ae_set_coalesce_frames(struct hnae_handle *handle,
483                                        u32 coalesce_frames)
484 {
485         struct ring_pair_cb *ring_pair =
486                 container_of(handle->qs[0], struct ring_pair_cb, q);
487
488         return hns_rcb_set_coalesced_frames(
489                 ring_pair->rcb_common,
490                 ring_pair->port_id_in_comm, coalesce_frames);
491 }
492
493 void hns_ae_update_stats(struct hnae_handle *handle,
494                          struct net_device_stats *net_stats)
495 {
496         int port;
497         int idx;
498         struct dsaf_device *dsaf_dev;
499         struct hns_mac_cb *mac_cb;
500         struct hns_ppe_cb *ppe_cb;
501         struct hnae_queue *queue;
502         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
503         u64 tx_bytes = 0, rx_bytes = 0, tx_packets = 0, rx_packets = 0;
504         u64 rx_errors = 0, tx_errors = 0, tx_dropped = 0;
505         u64 rx_missed_errors = 0;
506
507         dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
508         if (!dsaf_dev)
509                 return;
510         port = vf_cb->port_index;
511         ppe_cb = hns_get_ppe_cb(handle);
512         mac_cb = hns_get_mac_cb(handle);
513
514         for (idx = 0; idx < handle->q_num; idx++) {
515                 queue = handle->qs[idx];
516                 hns_rcb_update_stats(queue);
517
518                 tx_bytes += queue->tx_ring.stats.tx_bytes;
519                 tx_packets += queue->tx_ring.stats.tx_pkts;
520                 rx_bytes += queue->rx_ring.stats.rx_bytes;
521                 rx_packets += queue->rx_ring.stats.rx_pkts;
522
523                 rx_errors += queue->rx_ring.stats.err_pkt_len
524                                 + queue->rx_ring.stats.l2_err
525                                 + queue->rx_ring.stats.l3l4_csum_err;
526         }
527
528         hns_ppe_update_stats(ppe_cb);
529         rx_missed_errors = ppe_cb->hw_stats.rx_drop_no_buf;
530         tx_errors += ppe_cb->hw_stats.tx_err_checksum
531                 + ppe_cb->hw_stats.tx_err_fifo_empty;
532
533         if (mac_cb->mac_type == HNAE_PORT_SERVICE) {
534                 hns_dsaf_update_stats(dsaf_dev, port);
535                 /* for port upline direction, i.e., rx. */
536                 rx_missed_errors += dsaf_dev->hw_stats[port].bp_drop;
537                 rx_missed_errors += dsaf_dev->hw_stats[port].pad_drop;
538                 rx_missed_errors += dsaf_dev->hw_stats[port].crc_false;
539
540                 /* for port downline direction, i.e., tx. */
541                 port = port + DSAF_PPE_INODE_BASE;
542                 hns_dsaf_update_stats(dsaf_dev, port);
543                 tx_dropped += dsaf_dev->hw_stats[port].bp_drop;
544                 tx_dropped += dsaf_dev->hw_stats[port].pad_drop;
545                 tx_dropped += dsaf_dev->hw_stats[port].crc_false;
546                 tx_dropped += dsaf_dev->hw_stats[port].rslt_drop;
547                 tx_dropped += dsaf_dev->hw_stats[port].vlan_drop;
548                 tx_dropped += dsaf_dev->hw_stats[port].stp_drop;
549         }
550
551         hns_mac_update_stats(mac_cb);
552         rx_errors += mac_cb->hw_stats.rx_fifo_overrun_err;
553
554         tx_errors += mac_cb->hw_stats.tx_bad_pkts
555                 + mac_cb->hw_stats.tx_fragment_err
556                 + mac_cb->hw_stats.tx_jabber_err
557                 + mac_cb->hw_stats.tx_underrun_err
558                 + mac_cb->hw_stats.tx_crc_err;
559
560         net_stats->tx_bytes = tx_bytes;
561         net_stats->tx_packets = tx_packets;
562         net_stats->rx_bytes = rx_bytes;
563         net_stats->rx_dropped = 0;
564         net_stats->rx_packets = rx_packets;
565         net_stats->rx_errors = rx_errors;
566         net_stats->tx_errors = tx_errors;
567         net_stats->tx_dropped = tx_dropped;
568         net_stats->rx_missed_errors = rx_missed_errors;
569         net_stats->rx_crc_errors = mac_cb->hw_stats.rx_fcs_err;
570         net_stats->rx_frame_errors = mac_cb->hw_stats.rx_align_err;
571         net_stats->rx_fifo_errors = mac_cb->hw_stats.rx_fifo_overrun_err;
572         net_stats->rx_length_errors = mac_cb->hw_stats.rx_len_err;
573         net_stats->multicast = mac_cb->hw_stats.rx_mc_pkts;
574 }
575
576 void hns_ae_get_stats(struct hnae_handle *handle, u64 *data)
577 {
578         int idx;
579         struct hns_mac_cb *mac_cb;
580         struct hns_ppe_cb *ppe_cb;
581         u64 *p = data;
582         struct  hnae_vf_cb *vf_cb;
583
584         if (!handle || !data) {
585                 pr_err("hns_ae_get_stats NULL handle or data pointer!\n");
586                 return;
587         }
588
589         vf_cb = hns_ae_get_vf_cb(handle);
590         mac_cb = hns_get_mac_cb(handle);
591         ppe_cb = hns_get_ppe_cb(handle);
592
593         for (idx = 0; idx < handle->q_num; idx++) {
594                 hns_rcb_get_stats(handle->qs[idx], p);
595                 p += hns_rcb_get_ring_sset_count((int)ETH_SS_STATS);
596         }
597
598         hns_ppe_get_stats(ppe_cb, p);
599         p += hns_ppe_get_sset_count((int)ETH_SS_STATS);
600
601         hns_mac_get_stats(mac_cb, p);
602         p += hns_mac_get_sset_count(mac_cb, (int)ETH_SS_STATS);
603
604         if (mac_cb->mac_type == HNAE_PORT_SERVICE)
605                 hns_dsaf_get_stats(vf_cb->dsaf_dev, p, vf_cb->port_index);
606 }
607
608 void hns_ae_get_strings(struct hnae_handle *handle,
609                         u32 stringset, u8 *data)
610 {
611         int port;
612         int idx;
613         struct hns_mac_cb *mac_cb;
614         struct hns_ppe_cb *ppe_cb;
615         u8 *p = data;
616         struct  hnae_vf_cb *vf_cb;
617
618         assert(handle);
619
620         vf_cb = hns_ae_get_vf_cb(handle);
621         port = vf_cb->port_index;
622         mac_cb = hns_get_mac_cb(handle);
623         ppe_cb = hns_get_ppe_cb(handle);
624
625         for (idx = 0; idx < handle->q_num; idx++) {
626                 hns_rcb_get_strings(stringset, p, idx);
627                 p += ETH_GSTRING_LEN * hns_rcb_get_ring_sset_count(stringset);
628         }
629
630         hns_ppe_get_strings(ppe_cb, stringset, p);
631         p += ETH_GSTRING_LEN * hns_ppe_get_sset_count(stringset);
632
633         hns_mac_get_strings(mac_cb, stringset, p);
634         p += ETH_GSTRING_LEN * hns_mac_get_sset_count(mac_cb, stringset);
635
636         if (mac_cb->mac_type == HNAE_PORT_SERVICE)
637                 hns_dsaf_get_strings(stringset, p, port);
638 }
639
640 int hns_ae_get_sset_count(struct hnae_handle *handle, int stringset)
641 {
642         u32 sset_count = 0;
643         struct hns_mac_cb *mac_cb;
644
645         assert(handle);
646
647         mac_cb = hns_get_mac_cb(handle);
648
649         sset_count += hns_rcb_get_ring_sset_count(stringset) * handle->q_num;
650         sset_count += hns_ppe_get_sset_count(stringset);
651         sset_count += hns_mac_get_sset_count(mac_cb, stringset);
652
653         if (mac_cb->mac_type == HNAE_PORT_SERVICE)
654                 sset_count += hns_dsaf_get_sset_count(stringset);
655
656         return sset_count;
657 }
658
659 static int hns_ae_config_loopback(struct hnae_handle *handle,
660                                   enum hnae_loop loop, int en)
661 {
662         int ret;
663         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
664         struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
665
666         switch (loop) {
667         case MAC_INTERNALLOOP_PHY:
668                 ret = 0;
669                 break;
670         case MAC_INTERNALLOOP_SERDES:
671                 ret = hns_mac_config_sds_loopback(vf_cb->mac_cb, en);
672                 break;
673         case MAC_INTERNALLOOP_MAC:
674                 ret = hns_mac_config_mac_loopback(vf_cb->mac_cb, loop, en);
675                 break;
676         default:
677                 ret = -EINVAL;
678         }
679
680         if (!ret)
681                 hns_dsaf_set_inner_lb(mac_cb->dsaf_dev, mac_cb->mac_id, en);
682
683         return ret;
684 }
685
686 void hns_ae_update_led_status(struct hnae_handle *handle)
687 {
688         struct hns_mac_cb *mac_cb;
689
690         assert(handle);
691         mac_cb = hns_get_mac_cb(handle);
692         if (!mac_cb->cpld_vaddr)
693                 return;
694         hns_set_led_opt(mac_cb);
695 }
696
697 int hns_ae_cpld_set_led_id(struct hnae_handle *handle,
698                            enum hnae_led_state status)
699 {
700         struct hns_mac_cb *mac_cb;
701
702         assert(handle);
703
704         mac_cb = hns_get_mac_cb(handle);
705
706         return hns_cpld_led_set_id(mac_cb, status);
707 }
708
709 void hns_ae_get_regs(struct hnae_handle *handle, void *data)
710 {
711         u32 *p = data;
712         u32 rcb_com_idx;
713         int i;
714         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
715         struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
716
717         hns_ppe_get_regs(ppe_cb, p);
718         p += hns_ppe_get_regs_count();
719
720         rcb_com_idx = hns_dsaf_get_comm_idx_by_port(vf_cb->port_index);
721         hns_rcb_get_common_regs(vf_cb->dsaf_dev->rcb_common[rcb_com_idx], p);
722         p += hns_rcb_get_common_regs_count();
723
724         for (i = 0; i < handle->q_num; i++) {
725                 hns_rcb_get_ring_regs(handle->qs[i], p);
726                 p += hns_rcb_get_ring_regs_count();
727         }
728
729         hns_mac_get_regs(vf_cb->mac_cb, p);
730         p += hns_mac_get_regs_count(vf_cb->mac_cb);
731
732         if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
733                 hns_dsaf_get_regs(vf_cb->dsaf_dev, vf_cb->port_index, p);
734 }
735
736 int hns_ae_get_regs_len(struct hnae_handle *handle)
737 {
738         u32 total_num;
739         struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
740
741         total_num = hns_ppe_get_regs_count();
742         total_num += hns_rcb_get_common_regs_count();
743         total_num += hns_rcb_get_ring_regs_count() * handle->q_num;
744         total_num += hns_mac_get_regs_count(vf_cb->mac_cb);
745
746         if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
747                 total_num += hns_dsaf_get_regs_count();
748
749         return total_num;
750 }
751
752 static u32 hns_ae_get_rss_key_size(struct hnae_handle *handle)
753 {
754         return HNS_PPEV2_RSS_KEY_SIZE;
755 }
756
757 static u32 hns_ae_get_rss_indir_size(struct hnae_handle *handle)
758 {
759         return HNS_PPEV2_RSS_IND_TBL_SIZE;
760 }
761
762 static int hns_ae_get_rss(struct hnae_handle *handle, u32 *indir, u8 *key,
763                           u8 *hfunc)
764 {
765         struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
766
767         /* currently we support only one type of hash function i.e. Toep hash */
768         if (hfunc)
769                 *hfunc = ETH_RSS_HASH_TOP;
770
771         /* get the RSS Key required by the user */
772         if (key)
773                 memcpy(key, ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE);
774
775         /* update the current hash->queue mappings from the shadow RSS table */
776         memcpy(indir, ppe_cb->rss_indir_table,
777                HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir));
778
779         return 0;
780 }
781
782 static int hns_ae_set_rss(struct hnae_handle *handle, const u32 *indir,
783                           const u8 *key, const u8 hfunc)
784 {
785         struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
786
787         /* set the RSS Hash Key if specififed by the user */
788         if (key)
789                 hns_ppe_set_rss_key(ppe_cb, (u32 *)key);
790
791         /* update the shadow RSS table with user specified qids */
792         memcpy(ppe_cb->rss_indir_table, indir,
793                HNS_PPEV2_RSS_IND_TBL_SIZE * sizeof(*indir));
794
795         /* now update the hardware */
796         hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
797
798         return 0;
799 }
800
801 static struct hnae_ae_ops hns_dsaf_ops = {
802         .get_handle = hns_ae_get_handle,
803         .put_handle = hns_ae_put_handle,
804         .init_queue = hns_ae_init_queue,
805         .fini_queue = hns_ae_fini_queue,
806         .start = hns_ae_start,
807         .stop = hns_ae_stop,
808         .reset = hns_ae_reset,
809         .toggle_ring_irq = hns_ae_toggle_ring_irq,
810         .toggle_queue_status = hns_ae_toggle_queue_status,
811         .get_status = hns_ae_get_link_status,
812         .get_info = hns_ae_get_mac_info,
813         .adjust_link = hns_ae_adjust_link,
814         .set_loopback = hns_ae_config_loopback,
815         .get_ring_bdnum_limit = hns_ae_get_ring_bdnum_limit,
816         .get_pauseparam = hns_ae_get_pauseparam,
817         .set_autoneg = hns_ae_set_autoneg,
818         .get_autoneg = hns_ae_get_autoneg,
819         .set_pauseparam = hns_ae_set_pauseparam,
820         .get_coalesce_usecs = hns_ae_get_coalesce_usecs,
821         .get_rx_max_coalesced_frames = hns_ae_get_rx_max_coalesced_frames,
822         .set_coalesce_usecs = hns_ae_set_coalesce_usecs,
823         .set_coalesce_frames = hns_ae_set_coalesce_frames,
824         .set_promisc_mode = hns_ae_set_promisc_mode,
825         .set_mac_addr = hns_ae_set_mac_address,
826         .set_mc_addr = hns_ae_set_multicast_one,
827         .set_mtu = hns_ae_set_mtu,
828         .update_stats = hns_ae_update_stats,
829         .set_tso_stats = hns_ae_set_tso_stats,
830         .get_stats = hns_ae_get_stats,
831         .get_strings = hns_ae_get_strings,
832         .get_sset_count = hns_ae_get_sset_count,
833         .update_led_status = hns_ae_update_led_status,
834         .set_led_id = hns_ae_cpld_set_led_id,
835         .get_regs = hns_ae_get_regs,
836         .get_regs_len = hns_ae_get_regs_len,
837         .get_rss_key_size = hns_ae_get_rss_key_size,
838         .get_rss_indir_size = hns_ae_get_rss_indir_size,
839         .get_rss = hns_ae_get_rss,
840         .set_rss = hns_ae_set_rss
841 };
842
843 int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev)
844 {
845         struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev;
846         static atomic_t id = ATOMIC_INIT(-1);
847
848         switch (dsaf_dev->dsaf_ver) {
849         case AE_VERSION_1:
850                 hns_dsaf_ops.toggle_ring_irq = hns_ae_toggle_ring_irq;
851                 break;
852         case AE_VERSION_2:
853                 hns_dsaf_ops.toggle_ring_irq = hns_aev2_toggle_ring_irq;
854                 break;
855         default:
856                 break;
857         }
858
859         snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME,
860                  (int)atomic_inc_return(&id));
861         ae_dev->ops = &hns_dsaf_ops;
862         ae_dev->dev = dsaf_dev->dev;
863
864         return hnae_ae_register(ae_dev, THIS_MODULE);
865 }
866
867 void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev)
868 {
869         hnae_ae_unregister(&dsaf_dev->ae_dev);
870 }