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