1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (c) 2014-2015 Hisilicon Limited.
4 */
5
6#include <linux/etherdevice.h>
7#include <linux/netdevice.h>
8#include <linux/spinlock.h>
9
10#include "hnae.h"
11#include "hns_dsaf_mac.h"
12#include "hns_dsaf_main.h"
13#include "hns_dsaf_ppe.h"
14#include "hns_dsaf_rcb.h"
15
16static struct hns_mac_cb *hns_get_mac_cb(struct hnae_handle *handle)
17{
18	struct  hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
19
20	return vf_cb->mac_cb;
21}
22
23static struct dsaf_device *hns_ae_get_dsaf_dev(struct hnae_ae_dev *dev)
24{
25	return container_of(dev, struct dsaf_device, ae_dev);
26}
27
28static struct hns_ppe_cb *hns_get_ppe_cb(struct hnae_handle *handle)
29{
30	int ppe_index;
31	struct ppe_common_cb *ppe_comm;
32	struct  hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
33
34	ppe_comm = vf_cb->dsaf_dev->ppe_common[0];
35	ppe_index = vf_cb->port_index;
36
37	return &ppe_comm->ppe_cb[ppe_index];
38}
39
40static int hns_ae_get_q_num_per_vf(
41	struct dsaf_device *dsaf_dev, int port)
42{
43	return dsaf_dev->rcb_common[0]->max_q_per_vf;
44}
45
46static int hns_ae_get_vf_num_per_port(
47	struct dsaf_device *dsaf_dev, int port)
48{
49	return dsaf_dev->rcb_common[0]->max_vfn;
50}
51
52static struct ring_pair_cb *hns_ae_get_base_ring_pair(
53	struct dsaf_device *dsaf_dev, int port)
54{
55	struct rcb_common_cb *rcb_comm = dsaf_dev->rcb_common[0];
56	int q_num = rcb_comm->max_q_per_vf;
57	int vf_num = rcb_comm->max_vfn;
58
59	return &rcb_comm->ring_pair_cb[port * q_num * vf_num];
60}
61
62static struct ring_pair_cb *hns_ae_get_ring_pair(struct hnae_queue *q)
63{
64	return container_of(q, struct ring_pair_cb, q);
65}
66
67static struct hnae_handle *hns_ae_get_handle(struct hnae_ae_dev *dev,
68					     u32 port_id)
69{
70	int vfnum_per_port;
71	int qnum_per_vf;
72	int i;
73	struct dsaf_device *dsaf_dev;
74	struct hnae_handle *ae_handle;
75	struct ring_pair_cb *ring_pair_cb;
76	struct hnae_vf_cb *vf_cb;
77
78	dsaf_dev = hns_ae_get_dsaf_dev(dev);
79
80	ring_pair_cb = hns_ae_get_base_ring_pair(dsaf_dev, port_id);
81	vfnum_per_port = hns_ae_get_vf_num_per_port(dsaf_dev, port_id);
82	qnum_per_vf = hns_ae_get_q_num_per_vf(dsaf_dev, port_id);
83
84	vf_cb = kzalloc(struct_size(vf_cb, ae_handle.qs, qnum_per_vf),
85			GFP_KERNEL);
86	if (unlikely(!vf_cb)) {
87		dev_err(dsaf_dev->dev, "malloc vf_cb fail!\n");
88		ae_handle = ERR_PTR(-ENOMEM);
89		goto handle_err;
90	}
91	ae_handle = &vf_cb->ae_handle;
92	/* ae_handle Init  */
93	ae_handle->owner_dev = dsaf_dev->dev;
94	ae_handle->dev = dev;
95	ae_handle->q_num = qnum_per_vf;
96	ae_handle->coal_param = HNAE_LOWEST_LATENCY_COAL_PARAM;
97
98	/* find ring pair, and set vf id*/
99	for (ae_handle->vf_id = 0;
100		ae_handle->vf_id < vfnum_per_port; ae_handle->vf_id++) {
101		if (!ring_pair_cb->used_by_vf)
102			break;
103		ring_pair_cb += qnum_per_vf;
104	}
105	if (ae_handle->vf_id >= vfnum_per_port) {
106		dev_err(dsaf_dev->dev, "malloc queue fail!\n");
107		ae_handle = ERR_PTR(-EINVAL);
108		goto vf_id_err;
109	}
110
111	for (i = 0; i < qnum_per_vf; i++) {
112		ae_handle->qs[i] = &ring_pair_cb->q;
113		ae_handle->qs[i]->rx_ring.q = ae_handle->qs[i];
114		ae_handle->qs[i]->tx_ring.q = ae_handle->qs[i];
115
116		ring_pair_cb->used_by_vf = 1;
117		ring_pair_cb++;
118	}
119
120	vf_cb->dsaf_dev = dsaf_dev;
121	vf_cb->port_index = port_id;
122	vf_cb->mac_cb = dsaf_dev->mac_cb[port_id];
123
124	ae_handle->phy_if = vf_cb->mac_cb->phy_if;
125	ae_handle->phy_dev = vf_cb->mac_cb->phy_dev;
126	ae_handle->if_support = vf_cb->mac_cb->if_support;
127	ae_handle->port_type = vf_cb->mac_cb->mac_type;
128	ae_handle->media_type = vf_cb->mac_cb->media_type;
129	ae_handle->dport_id = port_id;
130
131	return ae_handle;
132vf_id_err:
133	kfree(vf_cb);
134handle_err:
135	return ae_handle;
136}
137
138static void hns_ae_put_handle(struct hnae_handle *handle)
139{
140	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
141	int i;
142
143	for (i = 0; i < handle->q_num; i++)
144		hns_ae_get_ring_pair(handle->qs[i])->used_by_vf = 0;
145
146	kfree(vf_cb);
147}
148
149static int hns_ae_wait_flow_down(struct hnae_handle *handle)
150{
151	struct dsaf_device *dsaf_dev;
152	struct hns_ppe_cb *ppe_cb;
153	struct hnae_vf_cb *vf_cb;
154	int ret;
155	int i;
156
157	for (i = 0; i < handle->q_num; i++) {
158		ret = hns_rcb_wait_tx_ring_clean(handle->qs[i]);
159		if (ret)
160			return ret;
161	}
162
163	ppe_cb = hns_get_ppe_cb(handle);
164	ret = hns_ppe_wait_tx_fifo_clean(ppe_cb);
165	if (ret)
166		return ret;
167
168	dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
169	if (!dsaf_dev)
170		return -EINVAL;
171	ret = hns_dsaf_wait_pkt_clean(dsaf_dev, handle->dport_id);
172	if (ret)
173		return ret;
174
175	vf_cb = hns_ae_get_vf_cb(handle);
176	ret = hns_mac_wait_fifo_clean(vf_cb->mac_cb);
177	if (ret)
178		return ret;
179
180	mdelay(10);
181	return 0;
182}
183
184static void hns_ae_ring_enable_all(struct hnae_handle *handle, int val)
185{
186	int q_num = handle->q_num;
187	int i;
188
189	for (i = 0; i < q_num; i++)
190		hns_rcb_ring_enable_hw(handle->qs[i], val);
191}
192
193static void hns_ae_init_queue(struct hnae_queue *q)
194{
195	struct ring_pair_cb *ring =
196		container_of(q, struct ring_pair_cb, q);
197
198	hns_rcb_init_hw(ring);
199}
200
201static void hns_ae_fini_queue(struct hnae_queue *q)
202{
203	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(q->handle);
204
205	if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
206		hns_rcb_reset_ring_hw(q);
207}
208
209static int hns_ae_set_mac_address(struct hnae_handle *handle, const void *p)
210{
211	int ret;
212	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
213
214	if (!p || !is_valid_ether_addr((const u8 *)p)) {
215		dev_err(handle->owner_dev, "is not valid ether addr !\n");
216		return -EADDRNOTAVAIL;
217	}
218
219	ret = hns_mac_change_vf_addr(mac_cb, handle->vf_id, p);
220	if (ret != 0) {
221		dev_err(handle->owner_dev,
222			"set_mac_address fail, ret=%d!\n", ret);
223		return ret;
224	}
225
226	return 0;
227}
228
229static int hns_ae_add_uc_address(struct hnae_handle *handle,
230				 const unsigned char *addr)
231{
232	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
233
234	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
235		return -ENOSPC;
236
237	return hns_mac_add_uc_addr(mac_cb, handle->vf_id, addr);
238}
239
240static int hns_ae_rm_uc_address(struct hnae_handle *handle,
241				const unsigned char *addr)
242{
243	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
244
245	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
246		return -ENOSPC;
247
248	return hns_mac_rm_uc_addr(mac_cb, handle->vf_id, addr);
249}
250
251static int hns_ae_set_multicast_one(struct hnae_handle *handle, void *addr)
252{
253	int ret;
254	char *mac_addr = (char *)addr;
255	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
256	u8 port_num;
257
258	assert(mac_cb);
259
260	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
261		return 0;
262
263	ret = hns_mac_set_multi(mac_cb, mac_cb->mac_id, mac_addr, true);
264	if (ret) {
265		dev_err(handle->owner_dev,
266			"mac add mul_mac:%pM port%d  fail, ret = %#x!\n",
267			mac_addr, mac_cb->mac_id, ret);
268		return ret;
269	}
270
271	ret = hns_mac_get_inner_port_num(mac_cb, handle->vf_id, &port_num);
272	if (ret)
273		return ret;
274
275	ret = hns_mac_set_multi(mac_cb, port_num, mac_addr, true);
276	if (ret)
277		dev_err(handle->owner_dev,
278			"mac add mul_mac:%pM port%d  fail, ret = %#x!\n",
279			mac_addr, DSAF_BASE_INNER_PORT_NUM, ret);
280
281	return ret;
282}
283
284static int hns_ae_clr_multicast(struct hnae_handle *handle)
285{
286	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
287
288	if (mac_cb->mac_type != HNAE_PORT_SERVICE)
289		return 0;
290
291	return hns_mac_clr_multicast(mac_cb, handle->vf_id);
292}
293
294static int hns_ae_set_mtu(struct hnae_handle *handle, int new_mtu)
295{
296	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
297	struct hnae_queue *q;
298	u32 rx_buf_size;
299	int i, ret;
300
301	/* when buf_size is 2048, max mtu is 6K for rx ring max bd num is 3. */
302	if (!AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver)) {
303		if (new_mtu <= BD_SIZE_2048_MAX_MTU)
304			rx_buf_size = 2048;
305		else
306			rx_buf_size = 4096;
307	} else {
308		rx_buf_size = mac_cb->dsaf_dev->buf_size;
309	}
310
311	ret = hns_mac_set_mtu(mac_cb, new_mtu, rx_buf_size);
312
313	if (!ret) {
314		/* reinit ring buf_size */
315		for (i = 0; i < handle->q_num; i++) {
316			q = handle->qs[i];
317			q->rx_ring.buf_size = rx_buf_size;
318			hns_rcb_set_rx_ring_bs(q, rx_buf_size);
319		}
320	}
321
322	return ret;
323}
324
325static void hns_ae_set_tso_stats(struct hnae_handle *handle, int enable)
326{
327	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
328
329	hns_ppe_set_tso_enable(ppe_cb, enable);
330}
331
332static int hns_ae_start(struct hnae_handle *handle)
333{
334	int ret;
335	int k;
336	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
337
338	ret = hns_mac_vm_config_bc_en(mac_cb, 0, true);
339	if (ret)
340		return ret;
341
342	for (k = 0; k < handle->q_num; k++) {
343		if (AE_IS_VER1(mac_cb->dsaf_dev->dsaf_ver))
344			hns_rcb_int_clr_hw(handle->qs[k],
345					   RCB_INT_FLAG_TX | RCB_INT_FLAG_RX);
346		else
347			hns_rcbv2_int_clr_hw(handle->qs[k],
348					     RCB_INT_FLAG_TX | RCB_INT_FLAG_RX);
349	}
350	hns_ae_ring_enable_all(handle, 1);
351	msleep(100);
352
353	hns_mac_start(mac_cb);
354
355	return 0;
356}
357
358static void hns_ae_stop(struct hnae_handle *handle)
359{
360	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
361
362	/* just clean tx fbd, neednot rx fbd*/
363	hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_TX);
364
365	msleep(20);
366
367	hns_mac_stop(mac_cb);
368
369	usleep_range(10000, 20000);
370
371	hns_ae_ring_enable_all(handle, 0);
372
373	/* clean rx fbd. */
374	hns_rcb_wait_fbd_clean(handle->qs, handle->q_num, RCB_INT_FLAG_RX);
375
376	(void)hns_mac_vm_config_bc_en(mac_cb, 0, false);
377}
378
379static void hns_ae_reset(struct hnae_handle *handle)
380{
381	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
382
383	if (vf_cb->mac_cb->mac_type == HNAE_PORT_DEBUG) {
384		hns_mac_reset(vf_cb->mac_cb);
385		hns_ppe_reset_common(vf_cb->dsaf_dev, 0);
386	}
387}
388
389static void hns_ae_toggle_ring_irq(struct hnae_ring *ring, u32 mask)
390{
391	u32 flag;
392
393	if (is_tx_ring(ring))
394		flag = RCB_INT_FLAG_TX;
395	else
396		flag = RCB_INT_FLAG_RX;
397
398	hns_rcb_int_ctrl_hw(ring->q, flag, mask);
399}
400
401static void hns_aev2_toggle_ring_irq(struct hnae_ring *ring, u32 mask)
402{
403	u32 flag;
404
405	if (is_tx_ring(ring))
406		flag = RCB_INT_FLAG_TX;
407	else
408		flag = RCB_INT_FLAG_RX;
409
410	hns_rcbv2_int_ctrl_hw(ring->q, flag, mask);
411}
412
413static int hns_ae_get_link_status(struct hnae_handle *handle)
414{
415	u32 link_status;
416	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
417
418	hns_mac_get_link_status(mac_cb, &link_status);
419
420	return !!link_status;
421}
422
423static int hns_ae_get_mac_info(struct hnae_handle *handle,
424			       u8 *auto_neg, u16 *speed, u8 *duplex)
425{
426	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
427
428	return hns_mac_get_port_info(mac_cb, auto_neg, speed, duplex);
429}
430
431static bool hns_ae_need_adjust_link(struct hnae_handle *handle, int speed,
432				    int duplex)
433{
434	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
435
436	return hns_mac_need_adjust_link(mac_cb, speed, duplex);
437}
438
439static void hns_ae_adjust_link(struct hnae_handle *handle, int speed,
440			       int duplex)
441{
442	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
443
444	switch (mac_cb->dsaf_dev->dsaf_ver) {
445	case AE_VERSION_1:
446		hns_mac_adjust_link(mac_cb, speed, duplex);
447		break;
448
449	case AE_VERSION_2:
450		/* chip need to clear all pkt inside */
451		hns_mac_disable(mac_cb, MAC_COMM_MODE_RX);
452		if (hns_ae_wait_flow_down(handle)) {
453			hns_mac_enable(mac_cb, MAC_COMM_MODE_RX);
454			break;
455		}
456
457		hns_mac_adjust_link(mac_cb, speed, duplex);
458		hns_mac_enable(mac_cb, MAC_COMM_MODE_RX);
459		break;
460
461	default:
462		break;
463	}
464}
465
466static void hns_ae_get_ring_bdnum_limit(struct hnae_queue *queue,
467					u32 *uplimit)
468{
469	*uplimit = HNS_RCB_RING_MAX_PENDING_BD;
470}
471
472static void hns_ae_get_pauseparam(struct hnae_handle *handle,
473				  u32 *auto_neg, u32 *rx_en, u32 *tx_en)
474{
475	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
476	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
477
478	hns_mac_get_autoneg(mac_cb, auto_neg);
479
480	hns_mac_get_pauseparam(mac_cb, rx_en, tx_en);
481
482	/* Service port's pause feature is provided by DSAF, not mac */
483	if (handle->port_type == HNAE_PORT_SERVICE)
484		hns_dsaf_get_rx_mac_pause_en(dsaf_dev, mac_cb->mac_id, rx_en);
485}
486
487static void hns_ae_set_promisc_mode(struct hnae_handle *handle, u32 en)
488{
489	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
490
491	hns_dsaf_set_promisc_mode(hns_ae_get_dsaf_dev(handle->dev), en);
492	hns_mac_set_promisc(mac_cb, (u8)!!en);
493}
494
495static int hns_ae_set_pauseparam(struct hnae_handle *handle,
496				 u32 autoneg, u32 rx_en, u32 tx_en)
497{
498	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
499	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
500	int ret;
501
502	ret = hns_mac_set_autoneg(mac_cb, autoneg);
503	if (ret)
504		return ret;
505
506	/* Service port's pause feature is provided by DSAF, not mac */
507	if (handle->port_type == HNAE_PORT_SERVICE) {
508		ret = hns_dsaf_set_rx_mac_pause_en(dsaf_dev,
509						   mac_cb->mac_id, rx_en);
510		if (ret)
511			return ret;
512		rx_en = 0;
513	}
514	return hns_mac_set_pauseparam(mac_cb, rx_en, tx_en);
515}
516
517static void hns_ae_get_coalesce_usecs(struct hnae_handle *handle,
518				      u32 *tx_usecs, u32 *rx_usecs)
519{
520	struct ring_pair_cb *ring_pair =
521		container_of(handle->qs[0], struct ring_pair_cb, q);
522
523	*tx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common,
524					       ring_pair->port_id_in_comm);
525	*rx_usecs = hns_rcb_get_coalesce_usecs(ring_pair->rcb_common,
526					       ring_pair->port_id_in_comm);
527}
528
529static void hns_ae_get_max_coalesced_frames(struct hnae_handle *handle,
530					    u32 *tx_frames, u32 *rx_frames)
531{
532	struct ring_pair_cb *ring_pair =
533		container_of(handle->qs[0], struct ring_pair_cb, q);
534	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
535
536	if (AE_IS_VER1(dsaf_dev->dsaf_ver) ||
537	    handle->port_type == HNAE_PORT_DEBUG)
538		*tx_frames = hns_rcb_get_rx_coalesced_frames(
539			ring_pair->rcb_common, ring_pair->port_id_in_comm);
540	else
541		*tx_frames = hns_rcb_get_tx_coalesced_frames(
542			ring_pair->rcb_common, ring_pair->port_id_in_comm);
543	*rx_frames = hns_rcb_get_rx_coalesced_frames(ring_pair->rcb_common,
544						  ring_pair->port_id_in_comm);
545}
546
547static int hns_ae_set_coalesce_usecs(struct hnae_handle *handle,
548				     u32 timeout)
549{
550	struct ring_pair_cb *ring_pair =
551		container_of(handle->qs[0], struct ring_pair_cb, q);
552
553	return hns_rcb_set_coalesce_usecs(
554		ring_pair->rcb_common, ring_pair->port_id_in_comm, timeout);
555}
556
557static int hns_ae_set_coalesce_frames(struct hnae_handle *handle,
558				      u32 tx_frames, u32 rx_frames)
559{
560	int ret;
561	struct ring_pair_cb *ring_pair =
562		container_of(handle->qs[0], struct ring_pair_cb, q);
563	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
564
565	if (AE_IS_VER1(dsaf_dev->dsaf_ver) ||
566	    handle->port_type == HNAE_PORT_DEBUG) {
567		if (tx_frames != rx_frames)
568			return -EINVAL;
569		return hns_rcb_set_rx_coalesced_frames(
570			ring_pair->rcb_common,
571			ring_pair->port_id_in_comm, rx_frames);
572	} else {
573		if (tx_frames != 1)
574			return -EINVAL;
575		ret = hns_rcb_set_tx_coalesced_frames(
576			ring_pair->rcb_common,
577			ring_pair->port_id_in_comm, tx_frames);
578		if (ret)
579			return ret;
580
581		return hns_rcb_set_rx_coalesced_frames(
582			ring_pair->rcb_common,
583			ring_pair->port_id_in_comm, rx_frames);
584	}
585}
586
587static void hns_ae_get_coalesce_range(struct hnae_handle *handle,
588				      u32 *tx_frames_low, u32 *rx_frames_low,
589				      u32 *tx_frames_high, u32 *rx_frames_high,
590				      u32 *tx_usecs_low, u32 *rx_usecs_low,
591				      u32 *tx_usecs_high, u32 *rx_usecs_high)
592{
593	struct dsaf_device *dsaf_dev;
594
595	assert(handle);
596
597	dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
598
599	*tx_frames_low  = HNS_RCB_TX_FRAMES_LOW;
600	*rx_frames_low  = HNS_RCB_RX_FRAMES_LOW;
601
602	if (AE_IS_VER1(dsaf_dev->dsaf_ver) ||
603	    handle->port_type == HNAE_PORT_DEBUG)
604		*tx_frames_high =
605			(dsaf_dev->desc_num - 1 > HNS_RCB_TX_FRAMES_HIGH) ?
606			HNS_RCB_TX_FRAMES_HIGH : dsaf_dev->desc_num - 1;
607	else
608		*tx_frames_high = 1;
609
610	*rx_frames_high = (dsaf_dev->desc_num - 1 > HNS_RCB_RX_FRAMES_HIGH) ?
611		HNS_RCB_RX_FRAMES_HIGH : dsaf_dev->desc_num - 1;
612	*tx_usecs_low   = HNS_RCB_TX_USECS_LOW;
613	*rx_usecs_low   = HNS_RCB_RX_USECS_LOW;
614	*tx_usecs_high  = HNS_RCB_TX_USECS_HIGH;
615	*rx_usecs_high  = HNS_RCB_RX_USECS_HIGH;
616}
617
618static void hns_ae_update_stats(struct hnae_handle *handle,
619				struct net_device_stats *net_stats)
620{
621	int port;
622	int idx;
623	struct dsaf_device *dsaf_dev;
624	struct hns_mac_cb *mac_cb;
625	struct hns_ppe_cb *ppe_cb;
626	struct hnae_queue *queue;
627	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
628	u64 tx_bytes = 0, rx_bytes = 0, tx_packets = 0, rx_packets = 0;
629	u64 rx_errors = 0, tx_errors = 0, tx_dropped = 0;
630	u64 rx_missed_errors;
631
632	dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
633	if (!dsaf_dev)
634		return;
635	port = vf_cb->port_index;
636	ppe_cb = hns_get_ppe_cb(handle);
637	mac_cb = hns_get_mac_cb(handle);
638
639	for (idx = 0; idx < handle->q_num; idx++) {
640		queue = handle->qs[idx];
641		hns_rcb_update_stats(queue);
642
643		tx_bytes += queue->tx_ring.stats.tx_bytes;
644		tx_packets += queue->tx_ring.stats.tx_pkts;
645		rx_bytes += queue->rx_ring.stats.rx_bytes;
646		rx_packets += queue->rx_ring.stats.rx_pkts;
647
648		rx_errors += queue->rx_ring.stats.err_pkt_len
649				+ queue->rx_ring.stats.l2_err
650				+ queue->rx_ring.stats.l3l4_csum_err;
651	}
652
653	hns_ppe_update_stats(ppe_cb);
654	rx_missed_errors = ppe_cb->hw_stats.rx_drop_no_buf;
655	tx_errors += ppe_cb->hw_stats.tx_err_checksum
656		+ ppe_cb->hw_stats.tx_err_fifo_empty;
657
658	if (mac_cb->mac_type == HNAE_PORT_SERVICE) {
659		hns_dsaf_update_stats(dsaf_dev, port);
660		/* for port upline direction, i.e., rx. */
661		rx_missed_errors += dsaf_dev->hw_stats[port].bp_drop;
662		rx_missed_errors += dsaf_dev->hw_stats[port].pad_drop;
663		rx_missed_errors += dsaf_dev->hw_stats[port].crc_false;
664
665		/* for port downline direction, i.e., tx. */
666		port = port + DSAF_PPE_INODE_BASE;
667		hns_dsaf_update_stats(dsaf_dev, port);
668		tx_dropped += dsaf_dev->hw_stats[port].bp_drop;
669		tx_dropped += dsaf_dev->hw_stats[port].pad_drop;
670		tx_dropped += dsaf_dev->hw_stats[port].crc_false;
671		tx_dropped += dsaf_dev->hw_stats[port].rslt_drop;
672		tx_dropped += dsaf_dev->hw_stats[port].vlan_drop;
673		tx_dropped += dsaf_dev->hw_stats[port].stp_drop;
674	}
675
676	hns_mac_update_stats(mac_cb);
677	rx_errors += mac_cb->hw_stats.rx_fifo_overrun_err;
678
679	tx_errors += mac_cb->hw_stats.tx_bad_pkts
680		+ mac_cb->hw_stats.tx_fragment_err
681		+ mac_cb->hw_stats.tx_jabber_err
682		+ mac_cb->hw_stats.tx_underrun_err
683		+ mac_cb->hw_stats.tx_crc_err;
684
685	net_stats->tx_bytes = tx_bytes;
686	net_stats->tx_packets = tx_packets;
687	net_stats->rx_bytes = rx_bytes;
688	net_stats->rx_dropped = 0;
689	net_stats->rx_packets = rx_packets;
690	net_stats->rx_errors = rx_errors;
691	net_stats->tx_errors = tx_errors;
692	net_stats->tx_dropped = tx_dropped;
693	net_stats->rx_missed_errors = rx_missed_errors;
694	net_stats->rx_crc_errors = mac_cb->hw_stats.rx_fcs_err;
695	net_stats->rx_frame_errors = mac_cb->hw_stats.rx_align_err;
696	net_stats->rx_fifo_errors = mac_cb->hw_stats.rx_fifo_overrun_err;
697	net_stats->rx_length_errors = mac_cb->hw_stats.rx_len_err;
698	net_stats->multicast = mac_cb->hw_stats.rx_mc_pkts;
699}
700
701static void hns_ae_get_stats(struct hnae_handle *handle, u64 *data)
702{
703	int idx;
704	struct hns_mac_cb *mac_cb;
705	struct hns_ppe_cb *ppe_cb;
706	u64 *p = data;
707	struct  hnae_vf_cb *vf_cb;
708
709	if (!handle || !data) {
710		pr_err("hns_ae_get_stats NULL handle or data pointer!\n");
711		return;
712	}
713
714	vf_cb = hns_ae_get_vf_cb(handle);
715	mac_cb = hns_get_mac_cb(handle);
716	ppe_cb = hns_get_ppe_cb(handle);
717
718	for (idx = 0; idx < handle->q_num; idx++) {
719		hns_rcb_get_stats(handle->qs[idx], p);
720		p += hns_rcb_get_ring_sset_count((int)ETH_SS_STATS);
721	}
722
723	hns_ppe_get_stats(ppe_cb, p);
724	p += hns_ppe_get_sset_count((int)ETH_SS_STATS);
725
726	hns_mac_get_stats(mac_cb, p);
727	p += hns_mac_get_sset_count(mac_cb, (int)ETH_SS_STATS);
728
729	if (mac_cb->mac_type == HNAE_PORT_SERVICE)
730		hns_dsaf_get_stats(vf_cb->dsaf_dev, p, vf_cb->port_index);
731}
732
733static void hns_ae_get_strings(struct hnae_handle *handle,
734			       u32 stringset, u8 *data)
735{
736	int port;
737	int idx;
738	struct hns_mac_cb *mac_cb;
739	struct hns_ppe_cb *ppe_cb;
740	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
741	u8 *p = data;
742	struct	hnae_vf_cb *vf_cb;
743
744	assert(handle);
745
746	vf_cb = hns_ae_get_vf_cb(handle);
747	port = vf_cb->port_index;
748	mac_cb = hns_get_mac_cb(handle);
749	ppe_cb = hns_get_ppe_cb(handle);
750
751	for (idx = 0; idx < handle->q_num; idx++) {
752		hns_rcb_get_strings(stringset, p, idx);
753		p += ETH_GSTRING_LEN * hns_rcb_get_ring_sset_count(stringset);
754	}
755
756	hns_ppe_get_strings(ppe_cb, stringset, p);
757	p += ETH_GSTRING_LEN * hns_ppe_get_sset_count(stringset);
758
759	hns_mac_get_strings(mac_cb, stringset, p);
760	p += ETH_GSTRING_LEN * hns_mac_get_sset_count(mac_cb, stringset);
761
762	if (mac_cb->mac_type == HNAE_PORT_SERVICE)
763		hns_dsaf_get_strings(stringset, p, port, dsaf_dev);
764}
765
766static int hns_ae_get_sset_count(struct hnae_handle *handle, int stringset)
767{
768	u32 sset_count = 0;
769	struct hns_mac_cb *mac_cb;
770	struct dsaf_device *dsaf_dev = hns_ae_get_dsaf_dev(handle->dev);
771
772	assert(handle);
773
774	mac_cb = hns_get_mac_cb(handle);
775
776	sset_count += hns_rcb_get_ring_sset_count(stringset) * handle->q_num;
777	sset_count += hns_ppe_get_sset_count(stringset);
778	sset_count += hns_mac_get_sset_count(mac_cb, stringset);
779
780	if (mac_cb->mac_type == HNAE_PORT_SERVICE)
781		sset_count += hns_dsaf_get_sset_count(dsaf_dev, stringset);
782
783	return sset_count;
784}
785
786static int hns_ae_config_loopback(struct hnae_handle *handle,
787				  enum hnae_loop loop, int en)
788{
789	int ret;
790	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
791	struct hns_mac_cb *mac_cb = hns_get_mac_cb(handle);
792	struct dsaf_device *dsaf_dev = mac_cb->dsaf_dev;
793
794	switch (loop) {
795	case MAC_INTERNALLOOP_PHY:
796		ret = 0;
797		break;
798	case MAC_INTERNALLOOP_SERDES:
799		ret = dsaf_dev->misc_op->cfg_serdes_loopback(vf_cb->mac_cb,
800							     !!en);
801		break;
802	case MAC_INTERNALLOOP_MAC:
803		ret = hns_mac_config_mac_loopback(vf_cb->mac_cb, loop, en);
804		break;
805	default:
806		ret = -EINVAL;
807	}
808
809	return ret;
810}
811
812static void hns_ae_update_led_status(struct hnae_handle *handle)
813{
814	struct hns_mac_cb *mac_cb;
815
816	assert(handle);
817	mac_cb = hns_get_mac_cb(handle);
818	if (mac_cb->media_type != HNAE_MEDIA_TYPE_FIBER)
819		return;
820
821	hns_set_led_opt(mac_cb);
822}
823
824static int hns_ae_cpld_set_led_id(struct hnae_handle *handle,
825				  enum hnae_led_state status)
826{
827	struct hns_mac_cb *mac_cb;
828
829	assert(handle);
830
831	mac_cb = hns_get_mac_cb(handle);
832
833	return hns_cpld_led_set_id(mac_cb, status);
834}
835
836static void hns_ae_get_regs(struct hnae_handle *handle, void *data)
837{
838	u32 *p = data;
839	int i;
840	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
841	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
842
843	hns_ppe_get_regs(ppe_cb, p);
844	p += hns_ppe_get_regs_count();
845
846	hns_rcb_get_common_regs(vf_cb->dsaf_dev->rcb_common[0], p);
847	p += hns_rcb_get_common_regs_count();
848
849	for (i = 0; i < handle->q_num; i++) {
850		hns_rcb_get_ring_regs(handle->qs[i], p);
851		p += hns_rcb_get_ring_regs_count();
852	}
853
854	hns_mac_get_regs(vf_cb->mac_cb, p);
855	p += hns_mac_get_regs_count(vf_cb->mac_cb);
856
857	if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
858		hns_dsaf_get_regs(vf_cb->dsaf_dev, vf_cb->port_index, p);
859}
860
861static int hns_ae_get_regs_len(struct hnae_handle *handle)
862{
863	u32 total_num;
864	struct hnae_vf_cb *vf_cb = hns_ae_get_vf_cb(handle);
865
866	total_num = hns_ppe_get_regs_count();
867	total_num += hns_rcb_get_common_regs_count();
868	total_num += hns_rcb_get_ring_regs_count() * handle->q_num;
869	total_num += hns_mac_get_regs_count(vf_cb->mac_cb);
870
871	if (vf_cb->mac_cb->mac_type == HNAE_PORT_SERVICE)
872		total_num += hns_dsaf_get_regs_count();
873
874	return total_num;
875}
876
877static u32 hns_ae_get_rss_key_size(struct hnae_handle *handle)
878{
879	return HNS_PPEV2_RSS_KEY_SIZE;
880}
881
882static u32 hns_ae_get_rss_indir_size(struct hnae_handle *handle)
883{
884	return HNS_PPEV2_RSS_IND_TBL_SIZE;
885}
886
887static int hns_ae_get_rss(struct hnae_handle *handle, u32 *indir, u8 *key,
888			  u8 *hfunc)
889{
890	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
891
892	/* currently we support only one type of hash function i.e. Toep hash */
893	if (hfunc)
894		*hfunc = ETH_RSS_HASH_TOP;
895
896	/* get the RSS Key required by the user */
897	if (key)
898		memcpy(key, ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE);
899
900	/* update the current hash->queue mappings from the shadow RSS table */
901	if (indir)
902		memcpy(indir, ppe_cb->rss_indir_table,
903		       HNS_PPEV2_RSS_IND_TBL_SIZE  * sizeof(*indir));
904
905	return 0;
906}
907
908static int hns_ae_set_rss(struct hnae_handle *handle, const u32 *indir,
909			  const u8 *key, const u8 hfunc)
910{
911	struct hns_ppe_cb *ppe_cb = hns_get_ppe_cb(handle);
912
913	/* set the RSS Hash Key if specififed by the user */
914	if (key) {
915		memcpy(ppe_cb->rss_key, key, HNS_PPEV2_RSS_KEY_SIZE);
916		hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key);
917	}
918
919	if (indir) {
920		/* update the shadow RSS table with user specified qids */
921		memcpy(ppe_cb->rss_indir_table, indir,
922		       HNS_PPEV2_RSS_IND_TBL_SIZE  * sizeof(*indir));
923
924		/* now update the hardware */
925		hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
926	}
927
928	return 0;
929}
930
931static struct hnae_ae_ops hns_dsaf_ops = {
932	.get_handle = hns_ae_get_handle,
933	.put_handle = hns_ae_put_handle,
934	.init_queue = hns_ae_init_queue,
935	.fini_queue = hns_ae_fini_queue,
936	.start = hns_ae_start,
937	.stop = hns_ae_stop,
938	.reset = hns_ae_reset,
939	.toggle_ring_irq = hns_ae_toggle_ring_irq,
940	.get_status = hns_ae_get_link_status,
941	.get_info = hns_ae_get_mac_info,
942	.adjust_link = hns_ae_adjust_link,
943	.need_adjust_link = hns_ae_need_adjust_link,
944	.set_loopback = hns_ae_config_loopback,
945	.get_ring_bdnum_limit = hns_ae_get_ring_bdnum_limit,
946	.get_pauseparam = hns_ae_get_pauseparam,
947	.set_pauseparam = hns_ae_set_pauseparam,
948	.get_coalesce_usecs = hns_ae_get_coalesce_usecs,
949	.get_max_coalesced_frames = hns_ae_get_max_coalesced_frames,
950	.set_coalesce_usecs = hns_ae_set_coalesce_usecs,
951	.set_coalesce_frames = hns_ae_set_coalesce_frames,
952	.get_coalesce_range = hns_ae_get_coalesce_range,
953	.set_promisc_mode = hns_ae_set_promisc_mode,
954	.set_mac_addr = hns_ae_set_mac_address,
955	.add_uc_addr = hns_ae_add_uc_address,
956	.rm_uc_addr = hns_ae_rm_uc_address,
957	.set_mc_addr = hns_ae_set_multicast_one,
958	.clr_mc_addr = hns_ae_clr_multicast,
959	.set_mtu = hns_ae_set_mtu,
960	.update_stats = hns_ae_update_stats,
961	.set_tso_stats = hns_ae_set_tso_stats,
962	.get_stats = hns_ae_get_stats,
963	.get_strings = hns_ae_get_strings,
964	.get_sset_count = hns_ae_get_sset_count,
965	.update_led_status = hns_ae_update_led_status,
966	.set_led_id = hns_ae_cpld_set_led_id,
967	.get_regs = hns_ae_get_regs,
968	.get_regs_len = hns_ae_get_regs_len,
969	.get_rss_key_size = hns_ae_get_rss_key_size,
970	.get_rss_indir_size = hns_ae_get_rss_indir_size,
971	.get_rss = hns_ae_get_rss,
972	.set_rss = hns_ae_set_rss
973};
974
975int hns_dsaf_ae_init(struct dsaf_device *dsaf_dev)
976{
977	struct hnae_ae_dev *ae_dev = &dsaf_dev->ae_dev;
978	static atomic_t id = ATOMIC_INIT(-1);
979
980	switch (dsaf_dev->dsaf_ver) {
981	case AE_VERSION_1:
982		hns_dsaf_ops.toggle_ring_irq = hns_ae_toggle_ring_irq;
983		break;
984	case AE_VERSION_2:
985		hns_dsaf_ops.toggle_ring_irq = hns_aev2_toggle_ring_irq;
986		break;
987	default:
988		break;
989	}
990
991	snprintf(ae_dev->name, AE_NAME_SIZE, "%s%d", DSAF_DEVICE_NAME,
992		 (int)atomic_inc_return(&id));
993	ae_dev->ops = &hns_dsaf_ops;
994	ae_dev->dev = dsaf_dev->dev;
995
996	return hnae_ae_register(ae_dev, THIS_MODULE);
997}
998
999void hns_dsaf_ae_uninit(struct dsaf_device *dsaf_dev)
1000{
1001	hnae_ae_unregister(&dsaf_dev->ae_dev);
1002}
1003