1
2
3
4#include "hclge_main.h"
5#include "hclge_mbx.h"
6#include "hnae3.h"
7
8#define CREATE_TRACE_POINTS
9#include "hclge_trace.h"
10
11static u16 hclge_errno_to_resp(int errno)
12{
13 int resp = abs(errno);
14
15
16
17
18
19
20 return (u16)resp;
21}
22
23
24
25
26
27
28
29
30static int hclge_gen_resp_to_vf(struct hclge_vport *vport,
31 struct hclge_mbx_vf_to_pf_cmd *vf_to_pf_req,
32 struct hclge_respond_to_vf_msg *resp_msg)
33{
34 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
35 struct hclge_dev *hdev = vport->back;
36 enum hclge_cmd_status status;
37 struct hclge_desc desc;
38 u16 resp;
39
40 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
41
42 if (resp_msg->len > HCLGE_MBX_MAX_RESP_DATA_SIZE) {
43 dev_err(&hdev->pdev->dev,
44 "PF fail to gen resp to VF len %u exceeds max len %u\n",
45 resp_msg->len,
46 HCLGE_MBX_MAX_RESP_DATA_SIZE);
47
48
49
50 resp_msg->len = HCLGE_MBX_MAX_RESP_DATA_SIZE;
51 }
52
53 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
54
55 resp_pf_to_vf->dest_vfid = vf_to_pf_req->mbx_src_vfid;
56 resp_pf_to_vf->msg_len = vf_to_pf_req->msg_len;
57 resp_pf_to_vf->match_id = vf_to_pf_req->match_id;
58
59 resp_pf_to_vf->msg.code = HCLGE_MBX_PF_VF_RESP;
60 resp_pf_to_vf->msg.vf_mbx_msg_code = vf_to_pf_req->msg.code;
61 resp_pf_to_vf->msg.vf_mbx_msg_subcode = vf_to_pf_req->msg.subcode;
62 resp = hclge_errno_to_resp(resp_msg->status);
63 if (resp < SHRT_MAX) {
64 resp_pf_to_vf->msg.resp_status = resp;
65 } else {
66 dev_warn(&hdev->pdev->dev,
67 "failed to send response to VF, response status %u is out-of-bound\n",
68 resp);
69 resp_pf_to_vf->msg.resp_status = EIO;
70 }
71
72 if (resp_msg->len > 0)
73 memcpy(resp_pf_to_vf->msg.resp_data, resp_msg->data,
74 resp_msg->len);
75
76 trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);
77
78 status = hclge_cmd_send(&hdev->hw, &desc, 1);
79 if (status)
80 dev_err(&hdev->pdev->dev,
81 "failed to send response to VF, status: %d, vfid: %u, code: %u, subcode: %u.\n",
82 status, vf_to_pf_req->mbx_src_vfid,
83 vf_to_pf_req->msg.code, vf_to_pf_req->msg.subcode);
84
85 return status;
86}
87
88static int hclge_send_mbx_msg(struct hclge_vport *vport, u8 *msg, u16 msg_len,
89 u16 mbx_opcode, u8 dest_vfid)
90{
91 struct hclge_mbx_pf_to_vf_cmd *resp_pf_to_vf;
92 struct hclge_dev *hdev = vport->back;
93 enum hclge_cmd_status status;
94 struct hclge_desc desc;
95
96 resp_pf_to_vf = (struct hclge_mbx_pf_to_vf_cmd *)desc.data;
97
98 hclge_cmd_setup_basic_desc(&desc, HCLGEVF_OPC_MBX_PF_TO_VF, false);
99
100 resp_pf_to_vf->dest_vfid = dest_vfid;
101 resp_pf_to_vf->msg_len = msg_len;
102 resp_pf_to_vf->msg.code = mbx_opcode;
103
104 memcpy(&resp_pf_to_vf->msg.vf_mbx_msg_code, msg, msg_len);
105
106 trace_hclge_pf_mbx_send(hdev, resp_pf_to_vf);
107
108 status = hclge_cmd_send(&hdev->hw, &desc, 1);
109 if (status)
110 dev_err(&hdev->pdev->dev,
111 "failed to send mailbox to VF, status: %d, vfid: %u, opcode: %u\n",
112 status, dest_vfid, mbx_opcode);
113
114 return status;
115}
116
117int hclge_inform_reset_assert_to_vf(struct hclge_vport *vport)
118{
119 struct hclge_dev *hdev = vport->back;
120 u16 reset_type;
121 u8 msg_data[2];
122 u8 dest_vfid;
123
124 BUILD_BUG_ON(HNAE3_MAX_RESET > U16_MAX);
125
126 dest_vfid = (u8)vport->vport_id;
127
128 if (hdev->reset_type == HNAE3_FUNC_RESET)
129 reset_type = HNAE3_VF_PF_FUNC_RESET;
130 else if (hdev->reset_type == HNAE3_FLR_RESET)
131 reset_type = HNAE3_VF_FULL_RESET;
132 else
133 reset_type = HNAE3_VF_FUNC_RESET;
134
135 memcpy(&msg_data[0], &reset_type, sizeof(u16));
136
137
138 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
139 HCLGE_MBX_ASSERTING_RESET, dest_vfid);
140}
141
142static void hclge_free_vector_ring_chain(struct hnae3_ring_chain_node *head)
143{
144 struct hnae3_ring_chain_node *chain_tmp, *chain;
145
146 chain = head->next;
147
148 while (chain) {
149 chain_tmp = chain->next;
150 kfree_sensitive(chain);
151 chain = chain_tmp;
152 }
153}
154
155
156
157
158
159
160
161
162
163
164
165static int hclge_get_ring_chain_from_mbx(
166 struct hclge_mbx_vf_to_pf_cmd *req,
167 struct hnae3_ring_chain_node *ring_chain,
168 struct hclge_vport *vport)
169{
170 struct hnae3_ring_chain_node *cur_chain, *new_chain;
171 struct hclge_dev *hdev = vport->back;
172 int ring_num;
173 int i;
174
175 ring_num = req->msg.ring_num;
176
177 if (ring_num > HCLGE_MBX_MAX_RING_CHAIN_PARAM_NUM)
178 return -ENOMEM;
179
180 for (i = 0; i < ring_num; i++) {
181 if (req->msg.param[i].tqp_index >= vport->nic.kinfo.rss_size) {
182 dev_err(&hdev->pdev->dev, "tqp index(%u) is out of range(0-%u)\n",
183 req->msg.param[i].tqp_index,
184 vport->nic.kinfo.rss_size - 1);
185 return -EINVAL;
186 }
187 }
188
189 hnae3_set_bit(ring_chain->flag, HNAE3_RING_TYPE_B,
190 req->msg.param[0].ring_type);
191 ring_chain->tqp_index =
192 hclge_get_queue_id(vport->nic.kinfo.tqp
193 [req->msg.param[0].tqp_index]);
194 hnae3_set_field(ring_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
195 HNAE3_RING_GL_IDX_S, req->msg.param[0].int_gl_index);
196
197 cur_chain = ring_chain;
198
199 for (i = 1; i < ring_num; i++) {
200 new_chain = kzalloc(sizeof(*new_chain), GFP_KERNEL);
201 if (!new_chain)
202 goto err;
203
204 hnae3_set_bit(new_chain->flag, HNAE3_RING_TYPE_B,
205 req->msg.param[i].ring_type);
206
207 new_chain->tqp_index =
208 hclge_get_queue_id(vport->nic.kinfo.tqp
209 [req->msg.param[i].tqp_index]);
210
211 hnae3_set_field(new_chain->int_gl_idx, HNAE3_RING_GL_IDX_M,
212 HNAE3_RING_GL_IDX_S,
213 req->msg.param[i].int_gl_index);
214
215 cur_chain->next = new_chain;
216 cur_chain = new_chain;
217 }
218
219 return 0;
220err:
221 hclge_free_vector_ring_chain(ring_chain);
222 return -ENOMEM;
223}
224
225static int hclge_map_unmap_ring_to_vf_vector(struct hclge_vport *vport, bool en,
226 struct hclge_mbx_vf_to_pf_cmd *req)
227{
228 struct hnae3_ring_chain_node ring_chain;
229 int vector_id = req->msg.vector_id;
230 int ret;
231
232 memset(&ring_chain, 0, sizeof(ring_chain));
233 ret = hclge_get_ring_chain_from_mbx(req, &ring_chain, vport);
234 if (ret)
235 return ret;
236
237 ret = hclge_bind_ring_with_vector(vport, vector_id, en, &ring_chain);
238
239 hclge_free_vector_ring_chain(&ring_chain);
240
241 return ret;
242}
243
244static void hclge_set_vf_promisc_mode(struct hclge_vport *vport,
245 struct hclge_mbx_vf_to_pf_cmd *req)
246{
247 struct hnae3_handle *handle = &vport->nic;
248 struct hclge_dev *hdev = vport->back;
249
250 vport->vf_info.request_uc_en = req->msg.en_uc;
251 vport->vf_info.request_mc_en = req->msg.en_mc;
252 vport->vf_info.request_bc_en = req->msg.en_bc;
253
254 if (req->msg.en_limit_promisc)
255 set_bit(HNAE3_PFLAG_LIMIT_PROMISC, &handle->priv_flags);
256 else
257 clear_bit(HNAE3_PFLAG_LIMIT_PROMISC,
258 &handle->priv_flags);
259
260 set_bit(HCLGE_VPORT_STATE_PROMISC_CHANGE, &vport->state);
261 hclge_task_schedule(hdev, 0);
262}
263
264static int hclge_set_vf_uc_mac_addr(struct hclge_vport *vport,
265 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
266{
267#define HCLGE_MBX_VF_OLD_MAC_ADDR_OFFSET 6
268
269 const u8 *mac_addr = (const u8 *)(mbx_req->msg.data);
270 struct hclge_dev *hdev = vport->back;
271 int status;
272
273 if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_MODIFY) {
274 const u8 *old_addr = (const u8 *)
275 (&mbx_req->msg.data[HCLGE_MBX_VF_OLD_MAC_ADDR_OFFSET]);
276
277
278
279
280 if (!is_zero_ether_addr(vport->vf_info.mac) &&
281 !ether_addr_equal(mac_addr, vport->vf_info.mac))
282 return -EPERM;
283
284 if (!is_valid_ether_addr(mac_addr))
285 return -EINVAL;
286
287 spin_lock_bh(&vport->mac_list_lock);
288 status = hclge_update_mac_node_for_dev_addr(vport, old_addr,
289 mac_addr);
290 spin_unlock_bh(&vport->mac_list_lock);
291 hclge_task_schedule(hdev, 0);
292 } else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_ADD) {
293 status = hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD,
294 HCLGE_MAC_ADDR_UC, mac_addr);
295 } else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_UC_REMOVE) {
296 status = hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL,
297 HCLGE_MAC_ADDR_UC, mac_addr);
298 } else {
299 dev_err(&hdev->pdev->dev,
300 "failed to set unicast mac addr, unknown subcode %u\n",
301 mbx_req->msg.subcode);
302 return -EIO;
303 }
304
305 return status;
306}
307
308static int hclge_set_vf_mc_mac_addr(struct hclge_vport *vport,
309 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
310{
311 const u8 *mac_addr = (const u8 *)(mbx_req->msg.data);
312 struct hclge_dev *hdev = vport->back;
313
314 if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_MC_ADD) {
315 hclge_update_mac_list(vport, HCLGE_MAC_TO_ADD,
316 HCLGE_MAC_ADDR_MC, mac_addr);
317 } else if (mbx_req->msg.subcode == HCLGE_MBX_MAC_VLAN_MC_REMOVE) {
318 hclge_update_mac_list(vport, HCLGE_MAC_TO_DEL,
319 HCLGE_MAC_ADDR_MC, mac_addr);
320 } else {
321 dev_err(&hdev->pdev->dev,
322 "failed to set mcast mac addr, unknown subcode %u\n",
323 mbx_req->msg.subcode);
324 return -EIO;
325 }
326
327 return 0;
328}
329
330int hclge_push_vf_port_base_vlan_info(struct hclge_vport *vport, u8 vfid,
331 u16 state,
332 struct hclge_vlan_info *vlan_info)
333{
334#define MSG_DATA_SIZE 8
335
336 u8 msg_data[MSG_DATA_SIZE];
337
338 memcpy(&msg_data[0], &state, sizeof(u16));
339 memcpy(&msg_data[2], &vlan_info->vlan_proto, sizeof(u16));
340 memcpy(&msg_data[4], &vlan_info->qos, sizeof(u16));
341 memcpy(&msg_data[6], &vlan_info->vlan_tag, sizeof(u16));
342
343 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
344 HCLGE_MBX_PUSH_VLAN_INFO, vfid);
345}
346
347static int hclge_set_vf_vlan_cfg(struct hclge_vport *vport,
348 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
349 struct hclge_respond_to_vf_msg *resp_msg)
350{
351#define HCLGE_MBX_VLAN_STATE_OFFSET 0
352#define HCLGE_MBX_VLAN_INFO_OFFSET 2
353
354 struct hnae3_handle *handle = &vport->nic;
355 struct hclge_dev *hdev = vport->back;
356 struct hclge_vf_vlan_cfg *msg_cmd;
357
358 msg_cmd = (struct hclge_vf_vlan_cfg *)&mbx_req->msg;
359 switch (msg_cmd->subcode) {
360 case HCLGE_MBX_VLAN_FILTER:
361 return hclge_set_vlan_filter(handle,
362 cpu_to_be16(msg_cmd->proto),
363 msg_cmd->vlan, msg_cmd->is_kill);
364 case HCLGE_MBX_VLAN_RX_OFF_CFG:
365 return hclge_en_hw_strip_rxvtag(handle, msg_cmd->enable);
366 case HCLGE_MBX_GET_PORT_BASE_VLAN_STATE:
367
368
369
370
371
372 resp_msg->data[0] =
373 hdev->ae_dev->dev_version >= HNAE3_DEVICE_VERSION_V3 ?
374 HNAE3_PORT_BASE_VLAN_DISABLE :
375 vport->port_base_vlan_cfg.state;
376 resp_msg->len = sizeof(u8);
377 return 0;
378 case HCLGE_MBX_ENABLE_VLAN_FILTER:
379 return hclge_enable_vport_vlan_filter(vport, msg_cmd->enable);
380 default:
381 return 0;
382 }
383}
384
385static int hclge_set_vf_alive(struct hclge_vport *vport,
386 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
387{
388 bool alive = !!mbx_req->msg.data[0];
389 int ret = 0;
390
391 if (alive)
392 ret = hclge_vport_start(vport);
393 else
394 hclge_vport_stop(vport);
395
396 return ret;
397}
398
399static void hclge_get_basic_info(struct hclge_vport *vport,
400 struct hclge_respond_to_vf_msg *resp_msg)
401{
402 struct hnae3_knic_private_info *kinfo = &vport->nic.kinfo;
403 struct hnae3_ae_dev *ae_dev = vport->back->ae_dev;
404 struct hclge_basic_info *basic_info;
405 unsigned int i;
406
407 basic_info = (struct hclge_basic_info *)resp_msg->data;
408 for (i = 0; i < kinfo->tc_info.num_tc; i++)
409 basic_info->hw_tc_map |= BIT(i);
410
411 if (test_bit(HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B, ae_dev->caps))
412 hnae3_set_bit(basic_info->pf_caps,
413 HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B, 1);
414
415 resp_msg->len = HCLGE_MBX_MAX_RESP_DATA_SIZE;
416}
417
418static void hclge_get_vf_queue_info(struct hclge_vport *vport,
419 struct hclge_respond_to_vf_msg *resp_msg)
420{
421#define HCLGE_TQPS_RSS_INFO_LEN 6
422#define HCLGE_TQPS_ALLOC_OFFSET 0
423#define HCLGE_TQPS_RSS_SIZE_OFFSET 2
424#define HCLGE_TQPS_RX_BUFFER_LEN_OFFSET 4
425
426 struct hclge_dev *hdev = vport->back;
427
428
429 memcpy(&resp_msg->data[HCLGE_TQPS_ALLOC_OFFSET],
430 &vport->alloc_tqps, sizeof(u16));
431 memcpy(&resp_msg->data[HCLGE_TQPS_RSS_SIZE_OFFSET],
432 &vport->nic.kinfo.rss_size, sizeof(u16));
433 memcpy(&resp_msg->data[HCLGE_TQPS_RX_BUFFER_LEN_OFFSET],
434 &hdev->rx_buf_len, sizeof(u16));
435 resp_msg->len = HCLGE_TQPS_RSS_INFO_LEN;
436}
437
438static void hclge_get_vf_mac_addr(struct hclge_vport *vport,
439 struct hclge_respond_to_vf_msg *resp_msg)
440{
441 ether_addr_copy(resp_msg->data, vport->vf_info.mac);
442 resp_msg->len = ETH_ALEN;
443}
444
445static void hclge_get_vf_queue_depth(struct hclge_vport *vport,
446 struct hclge_respond_to_vf_msg *resp_msg)
447{
448#define HCLGE_TQPS_DEPTH_INFO_LEN 4
449#define HCLGE_TQPS_NUM_TX_DESC_OFFSET 0
450#define HCLGE_TQPS_NUM_RX_DESC_OFFSET 2
451
452 struct hclge_dev *hdev = vport->back;
453
454
455 memcpy(&resp_msg->data[HCLGE_TQPS_NUM_TX_DESC_OFFSET],
456 &hdev->num_tx_desc, sizeof(u16));
457 memcpy(&resp_msg->data[HCLGE_TQPS_NUM_RX_DESC_OFFSET],
458 &hdev->num_rx_desc, sizeof(u16));
459 resp_msg->len = HCLGE_TQPS_DEPTH_INFO_LEN;
460}
461
462static void hclge_get_vf_media_type(struct hclge_vport *vport,
463 struct hclge_respond_to_vf_msg *resp_msg)
464{
465#define HCLGE_VF_MEDIA_TYPE_OFFSET 0
466#define HCLGE_VF_MODULE_TYPE_OFFSET 1
467#define HCLGE_VF_MEDIA_TYPE_LENGTH 2
468
469 struct hclge_dev *hdev = vport->back;
470
471 resp_msg->data[HCLGE_VF_MEDIA_TYPE_OFFSET] =
472 hdev->hw.mac.media_type;
473 resp_msg->data[HCLGE_VF_MODULE_TYPE_OFFSET] =
474 hdev->hw.mac.module_type;
475 resp_msg->len = HCLGE_VF_MEDIA_TYPE_LENGTH;
476}
477
478int hclge_push_vf_link_status(struct hclge_vport *vport)
479{
480#define HCLGE_VF_LINK_STATE_UP 1U
481#define HCLGE_VF_LINK_STATE_DOWN 0U
482
483 struct hclge_dev *hdev = vport->back;
484 u16 link_status;
485 u8 msg_data[9];
486 u16 duplex;
487
488
489 switch (vport->vf_info.link_state) {
490 case IFLA_VF_LINK_STATE_ENABLE:
491 link_status = HCLGE_VF_LINK_STATE_UP;
492 break;
493 case IFLA_VF_LINK_STATE_DISABLE:
494 link_status = HCLGE_VF_LINK_STATE_DOWN;
495 break;
496 case IFLA_VF_LINK_STATE_AUTO:
497 default:
498 link_status = (u16)hdev->hw.mac.link;
499 break;
500 }
501
502 duplex = hdev->hw.mac.duplex;
503 memcpy(&msg_data[0], &link_status, sizeof(u16));
504 memcpy(&msg_data[2], &hdev->hw.mac.speed, sizeof(u32));
505 memcpy(&msg_data[6], &duplex, sizeof(u16));
506 msg_data[8] = HCLGE_MBX_PUSH_LINK_STATUS_EN;
507
508
509 return hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
510 HCLGE_MBX_LINK_STAT_CHANGE, vport->vport_id);
511}
512
513static void hclge_get_link_mode(struct hclge_vport *vport,
514 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
515{
516#define HCLGE_SUPPORTED 1
517 struct hclge_dev *hdev = vport->back;
518 unsigned long advertising;
519 unsigned long supported;
520 unsigned long send_data;
521 u8 msg_data[10] = {};
522 u8 dest_vfid;
523
524 advertising = hdev->hw.mac.advertising[0];
525 supported = hdev->hw.mac.supported[0];
526 dest_vfid = mbx_req->mbx_src_vfid;
527 msg_data[0] = mbx_req->msg.data[0];
528
529 send_data = msg_data[0] == HCLGE_SUPPORTED ? supported : advertising;
530
531 memcpy(&msg_data[2], &send_data, sizeof(unsigned long));
532 hclge_send_mbx_msg(vport, msg_data, sizeof(msg_data),
533 HCLGE_MBX_LINK_STAT_MODE, dest_vfid);
534}
535
536static int hclge_mbx_reset_vf_queue(struct hclge_vport *vport,
537 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
538 struct hclge_respond_to_vf_msg *resp_msg)
539{
540#define HCLGE_RESET_ALL_QUEUE_DONE 1U
541 struct hnae3_handle *handle = &vport->nic;
542 struct hclge_dev *hdev = vport->back;
543 u16 queue_id;
544 int ret;
545
546 memcpy(&queue_id, mbx_req->msg.data, sizeof(queue_id));
547 resp_msg->data[0] = HCLGE_RESET_ALL_QUEUE_DONE;
548 resp_msg->len = sizeof(u8);
549
550
551
552
553 if (queue_id > 0)
554 return 0;
555
556 ret = hclge_reset_tqp(handle);
557 if (ret)
558 dev_err(&hdev->pdev->dev, "failed to reset vf %u queue, ret = %d\n",
559 vport->vport_id - HCLGE_VF_VPORT_START_NUM, ret);
560
561 return ret;
562}
563
564static int hclge_reset_vf(struct hclge_vport *vport)
565{
566 struct hclge_dev *hdev = vport->back;
567
568 dev_warn(&hdev->pdev->dev, "PF received VF reset request from VF %u!",
569 vport->vport_id - HCLGE_VF_VPORT_START_NUM);
570
571 return hclge_func_reset_cmd(hdev, vport->vport_id);
572}
573
574static void hclge_vf_keep_alive(struct hclge_vport *vport)
575{
576 vport->last_active_jiffies = jiffies;
577}
578
579static int hclge_set_vf_mtu(struct hclge_vport *vport,
580 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
581{
582 u32 mtu;
583
584 memcpy(&mtu, mbx_req->msg.data, sizeof(mtu));
585
586 return hclge_set_vport_mtu(vport, mtu);
587}
588
589static void hclge_get_queue_id_in_pf(struct hclge_vport *vport,
590 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
591 struct hclge_respond_to_vf_msg *resp_msg)
592{
593 struct hnae3_handle *handle = &vport->nic;
594 struct hclge_dev *hdev = vport->back;
595 u16 queue_id, qid_in_pf;
596
597 memcpy(&queue_id, mbx_req->msg.data, sizeof(queue_id));
598 if (queue_id >= handle->kinfo.num_tqps) {
599 dev_err(&hdev->pdev->dev, "Invalid queue id(%u) from VF %u\n",
600 queue_id, mbx_req->mbx_src_vfid);
601 return;
602 }
603
604 qid_in_pf = hclge_covert_handle_qid_global(&vport->nic, queue_id);
605 memcpy(resp_msg->data, &qid_in_pf, sizeof(qid_in_pf));
606 resp_msg->len = sizeof(qid_in_pf);
607}
608
609static void hclge_get_rss_key(struct hclge_vport *vport,
610 struct hclge_mbx_vf_to_pf_cmd *mbx_req,
611 struct hclge_respond_to_vf_msg *resp_msg)
612{
613#define HCLGE_RSS_MBX_RESP_LEN 8
614 struct hclge_dev *hdev = vport->back;
615 u8 index;
616
617 index = mbx_req->msg.data[0];
618
619
620
621
622 if (((index + 1) * HCLGE_RSS_MBX_RESP_LEN) >
623 sizeof(vport[0].rss_hash_key)) {
624 dev_warn(&hdev->pdev->dev,
625 "failed to get the rss hash key, the index(%u) invalid !\n",
626 index);
627 return;
628 }
629
630 memcpy(resp_msg->data,
631 &hdev->vport[0].rss_hash_key[index * HCLGE_RSS_MBX_RESP_LEN],
632 HCLGE_RSS_MBX_RESP_LEN);
633 resp_msg->len = HCLGE_RSS_MBX_RESP_LEN;
634}
635
636static void hclge_link_fail_parse(struct hclge_dev *hdev, u8 link_fail_code)
637{
638 switch (link_fail_code) {
639 case HCLGE_LF_REF_CLOCK_LOST:
640 dev_warn(&hdev->pdev->dev, "Reference clock lost!\n");
641 break;
642 case HCLGE_LF_XSFP_TX_DISABLE:
643 dev_warn(&hdev->pdev->dev, "SFP tx is disabled!\n");
644 break;
645 case HCLGE_LF_XSFP_ABSENT:
646 dev_warn(&hdev->pdev->dev, "SFP is absent!\n");
647 break;
648 default:
649 break;
650 }
651}
652
653static void hclge_handle_link_change_event(struct hclge_dev *hdev,
654 struct hclge_mbx_vf_to_pf_cmd *req)
655{
656 hclge_task_schedule(hdev, 0);
657
658 if (!req->msg.subcode)
659 hclge_link_fail_parse(hdev, req->msg.data[0]);
660}
661
662static bool hclge_cmd_crq_empty(struct hclge_hw *hw)
663{
664 u32 tail = hclge_read_dev(hw, HCLGE_NIC_CRQ_TAIL_REG);
665
666 return tail == hw->cmq.crq.next_to_use;
667}
668
669static void hclge_handle_ncsi_error(struct hclge_dev *hdev)
670{
671 struct hnae3_ae_dev *ae_dev = hdev->ae_dev;
672
673 ae_dev->ops->set_default_reset_request(ae_dev, HNAE3_GLOBAL_RESET);
674 dev_warn(&hdev->pdev->dev, "requesting reset due to NCSI error\n");
675 ae_dev->ops->reset_event(hdev->pdev, NULL);
676}
677
678static void hclge_handle_vf_tbl(struct hclge_vport *vport,
679 struct hclge_mbx_vf_to_pf_cmd *mbx_req)
680{
681 struct hclge_dev *hdev = vport->back;
682 struct hclge_vf_vlan_cfg *msg_cmd;
683
684 msg_cmd = (struct hclge_vf_vlan_cfg *)&mbx_req->msg;
685 if (msg_cmd->subcode == HCLGE_MBX_VPORT_LIST_CLEAR) {
686 hclge_rm_vport_all_mac_table(vport, true, HCLGE_MAC_ADDR_UC);
687 hclge_rm_vport_all_mac_table(vport, true, HCLGE_MAC_ADDR_MC);
688 hclge_rm_vport_all_vlan_table(vport, true);
689 } else {
690 dev_warn(&hdev->pdev->dev, "Invalid cmd(%u)\n",
691 msg_cmd->subcode);
692 }
693}
694
695void hclge_mbx_handler(struct hclge_dev *hdev)
696{
697 struct hclge_cmq_ring *crq = &hdev->hw.cmq.crq;
698 struct hclge_respond_to_vf_msg resp_msg;
699 struct hclge_mbx_vf_to_pf_cmd *req;
700 struct hclge_vport *vport;
701 struct hclge_desc *desc;
702 bool is_del = false;
703 unsigned int flag;
704 int ret = 0;
705
706
707 while (!hclge_cmd_crq_empty(&hdev->hw)) {
708 if (test_bit(HCLGE_STATE_CMD_DISABLE, &hdev->state)) {
709 dev_warn(&hdev->pdev->dev,
710 "command queue needs re-initializing\n");
711 return;
712 }
713
714 desc = &crq->desc[crq->next_to_use];
715 req = (struct hclge_mbx_vf_to_pf_cmd *)desc->data;
716
717 flag = le16_to_cpu(crq->desc[crq->next_to_use].flag);
718 if (unlikely(!hnae3_get_bit(flag, HCLGE_CMDQ_RX_OUTVLD_B))) {
719 dev_warn(&hdev->pdev->dev,
720 "dropped invalid mailbox message, code = %u\n",
721 req->msg.code);
722
723
724 crq->desc[crq->next_to_use].flag = 0;
725 hclge_mbx_ring_ptr_move_crq(crq);
726 continue;
727 }
728
729 vport = &hdev->vport[req->mbx_src_vfid];
730
731 trace_hclge_pf_mbx_get(hdev, req);
732
733
734 memset(&resp_msg, 0, sizeof(resp_msg));
735
736 switch (req->msg.code) {
737 case HCLGE_MBX_MAP_RING_TO_VECTOR:
738 ret = hclge_map_unmap_ring_to_vf_vector(vport, true,
739 req);
740 break;
741 case HCLGE_MBX_UNMAP_RING_TO_VECTOR:
742 ret = hclge_map_unmap_ring_to_vf_vector(vport, false,
743 req);
744 break;
745 case HCLGE_MBX_SET_PROMISC_MODE:
746 hclge_set_vf_promisc_mode(vport, req);
747 break;
748 case HCLGE_MBX_SET_UNICAST:
749 ret = hclge_set_vf_uc_mac_addr(vport, req);
750 if (ret)
751 dev_err(&hdev->pdev->dev,
752 "PF fail(%d) to set VF UC MAC Addr\n",
753 ret);
754 break;
755 case HCLGE_MBX_SET_MULTICAST:
756 ret = hclge_set_vf_mc_mac_addr(vport, req);
757 if (ret)
758 dev_err(&hdev->pdev->dev,
759 "PF fail(%d) to set VF MC MAC Addr\n",
760 ret);
761 break;
762 case HCLGE_MBX_SET_VLAN:
763 ret = hclge_set_vf_vlan_cfg(vport, req, &resp_msg);
764 if (ret)
765 dev_err(&hdev->pdev->dev,
766 "PF failed(%d) to config VF's VLAN\n",
767 ret);
768 break;
769 case HCLGE_MBX_SET_ALIVE:
770 ret = hclge_set_vf_alive(vport, req);
771 if (ret)
772 dev_err(&hdev->pdev->dev,
773 "PF failed(%d) to set VF's ALIVE\n",
774 ret);
775 break;
776 case HCLGE_MBX_GET_QINFO:
777 hclge_get_vf_queue_info(vport, &resp_msg);
778 break;
779 case HCLGE_MBX_GET_QDEPTH:
780 hclge_get_vf_queue_depth(vport, &resp_msg);
781 break;
782 case HCLGE_MBX_GET_BASIC_INFO:
783 hclge_get_basic_info(vport, &resp_msg);
784 break;
785 case HCLGE_MBX_GET_LINK_STATUS:
786 ret = hclge_push_vf_link_status(vport);
787 if (ret)
788 dev_err(&hdev->pdev->dev,
789 "failed to inform link stat to VF, ret = %d\n",
790 ret);
791 break;
792 case HCLGE_MBX_QUEUE_RESET:
793 ret = hclge_mbx_reset_vf_queue(vport, req, &resp_msg);
794 break;
795 case HCLGE_MBX_RESET:
796 ret = hclge_reset_vf(vport);
797 break;
798 case HCLGE_MBX_KEEP_ALIVE:
799 hclge_vf_keep_alive(vport);
800 break;
801 case HCLGE_MBX_SET_MTU:
802 ret = hclge_set_vf_mtu(vport, req);
803 if (ret)
804 dev_err(&hdev->pdev->dev,
805 "VF fail(%d) to set mtu\n", ret);
806 break;
807 case HCLGE_MBX_GET_QID_IN_PF:
808 hclge_get_queue_id_in_pf(vport, req, &resp_msg);
809 break;
810 case HCLGE_MBX_GET_RSS_KEY:
811 hclge_get_rss_key(vport, req, &resp_msg);
812 break;
813 case HCLGE_MBX_GET_LINK_MODE:
814 hclge_get_link_mode(vport, req);
815 break;
816 case HCLGE_MBX_GET_VF_FLR_STATUS:
817 case HCLGE_MBX_VF_UNINIT:
818 is_del = req->msg.code == HCLGE_MBX_VF_UNINIT;
819 hclge_rm_vport_all_mac_table(vport, is_del,
820 HCLGE_MAC_ADDR_UC);
821 hclge_rm_vport_all_mac_table(vport, is_del,
822 HCLGE_MAC_ADDR_MC);
823 hclge_rm_vport_all_vlan_table(vport, is_del);
824 break;
825 case HCLGE_MBX_GET_MEDIA_TYPE:
826 hclge_get_vf_media_type(vport, &resp_msg);
827 break;
828 case HCLGE_MBX_PUSH_LINK_STATUS:
829 hclge_handle_link_change_event(hdev, req);
830 break;
831 case HCLGE_MBX_GET_MAC_ADDR:
832 hclge_get_vf_mac_addr(vport, &resp_msg);
833 break;
834 case HCLGE_MBX_NCSI_ERROR:
835 hclge_handle_ncsi_error(hdev);
836 break;
837 case HCLGE_MBX_HANDLE_VF_TBL:
838 hclge_handle_vf_tbl(vport, req);
839 break;
840 default:
841 dev_err(&hdev->pdev->dev,
842 "un-supported mailbox message, code = %u\n",
843 req->msg.code);
844 break;
845 }
846
847
848 if (hnae3_get_bit(req->mbx_need_resp, HCLGE_MBX_NEED_RESP_B) &&
849 req->msg.code < HCLGE_MBX_GET_VF_FLR_STATUS) {
850 resp_msg.status = ret;
851 hclge_gen_resp_to_vf(vport, req, &resp_msg);
852 }
853
854 crq->desc[crq->next_to_use].flag = 0;
855 hclge_mbx_ring_ptr_move_crq(crq);
856
857
858 ret = 0;
859 }
860
861
862 hclge_write_dev(&hdev->hw, HCLGE_NIC_CRQ_HEAD_REG, crq->next_to_use);
863}
864
