ethdev: change promiscuous callbacks to return status
[dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2016 Intel Corporation
3  */
4
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12 #include <inttypes.h>
13 #include <rte_byteorder.h>
14 #include <rte_common.h>
15 #include <rte_cycles.h>
16
17 #include <rte_interrupts.h>
18 #include <rte_log.h>
19 #include <rte_debug.h>
20 #include <rte_pci.h>
21 #include <rte_bus_pci.h>
22 #include <rte_atomic.h>
23 #include <rte_branch_prediction.h>
24 #include <rte_memory.h>
25 #include <rte_eal.h>
26 #include <rte_alarm.h>
27 #include <rte_ether.h>
28 #include <rte_ethdev_driver.h>
29 #include <rte_ethdev_pci.h>
30 #include <rte_malloc.h>
31 #include <rte_dev.h>
32
33 #include "i40e_logs.h"
34 #include "base/i40e_prototype.h"
35 #include "base/i40e_adminq_cmd.h"
36 #include "base/i40e_type.h"
37
38 #include "i40e_rxtx.h"
39 #include "i40e_ethdev.h"
40 #include "i40e_pf.h"
41
42 /* busy wait delay in msec */
43 #define I40EVF_BUSY_WAIT_DELAY 10
44 #define I40EVF_BUSY_WAIT_COUNT 50
45 #define MAX_RESET_WAIT_CNT     20
46
47 #define I40EVF_ALARM_INTERVAL 50000 /* us */
48
49 struct i40evf_arq_msg_info {
50         enum virtchnl_ops ops;
51         enum i40e_status_code result;
52         uint16_t buf_len;
53         uint16_t msg_len;
54         uint8_t *msg;
55 };
56
57 struct vf_cmd_info {
58         enum virtchnl_ops ops;
59         uint8_t *in_args;
60         uint32_t in_args_size;
61         uint8_t *out_buffer;
62         /* Input & output type. pass in buffer size and pass out
63          * actual return result
64          */
65         uint32_t out_size;
66 };
67
68 enum i40evf_aq_result {
69         I40EVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
70         I40EVF_MSG_NON,      /* Read nothing from admin queue */
71         I40EVF_MSG_SYS,      /* Read system msg from admin queue */
72         I40EVF_MSG_CMD,      /* Read async command result */
73 };
74
75 static int i40evf_dev_configure(struct rte_eth_dev *dev);
76 static int i40evf_dev_start(struct rte_eth_dev *dev);
77 static void i40evf_dev_stop(struct rte_eth_dev *dev);
78 static int i40evf_dev_info_get(struct rte_eth_dev *dev,
79                                struct rte_eth_dev_info *dev_info);
80 static int i40evf_dev_link_update(struct rte_eth_dev *dev,
81                                   int wait_to_complete);
82 static int i40evf_dev_stats_get(struct rte_eth_dev *dev,
83                                 struct rte_eth_stats *stats);
84 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
85                                  struct rte_eth_xstat *xstats, unsigned n);
86 static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
87                                        struct rte_eth_xstat_name *xstats_names,
88                                        unsigned limit);
89 static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev);
90 static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
91                                   uint16_t vlan_id, int on);
92 static int i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
93 static void i40evf_dev_close(struct rte_eth_dev *dev);
94 static int  i40evf_dev_reset(struct rte_eth_dev *dev);
95 static int i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
96 static int i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
97 static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
98 static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev);
99 static int i40evf_init_vlan(struct rte_eth_dev *dev);
100 static int i40evf_dev_rx_queue_start(struct rte_eth_dev *dev,
101                                      uint16_t rx_queue_id);
102 static int i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev,
103                                     uint16_t rx_queue_id);
104 static int i40evf_dev_tx_queue_start(struct rte_eth_dev *dev,
105                                      uint16_t tx_queue_id);
106 static int i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev,
107                                     uint16_t tx_queue_id);
108 static int i40evf_add_mac_addr(struct rte_eth_dev *dev,
109                                struct rte_ether_addr *addr,
110                                uint32_t index,
111                                uint32_t pool);
112 static void i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
113 static int i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
114                         struct rte_eth_rss_reta_entry64 *reta_conf,
115                         uint16_t reta_size);
116 static int i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
117                         struct rte_eth_rss_reta_entry64 *reta_conf,
118                         uint16_t reta_size);
119 static int i40evf_config_rss(struct i40e_vf *vf);
120 static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
121                                       struct rte_eth_rss_conf *rss_conf);
122 static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
123                                         struct rte_eth_rss_conf *rss_conf);
124 static int i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
125 static int i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
126                                         struct rte_ether_addr *mac_addr);
127 static int
128 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
129 static int
130 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
131 static void i40evf_handle_pf_event(struct rte_eth_dev *dev,
132                                    uint8_t *msg,
133                                    uint16_t msglen);
134
135 static int
136 i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
137                         struct rte_ether_addr *mc_addr_set,
138                         uint32_t nb_mc_addr, bool add);
139 static int
140 i40evf_set_mc_addr_list(struct rte_eth_dev *dev,
141                         struct rte_ether_addr *mc_addr_set,
142                         uint32_t nb_mc_addr);
143 static void
144 i40evf_dev_alarm_handler(void *param);
145
146 /* Default hash key buffer for RSS */
147 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
148
149 struct rte_i40evf_xstats_name_off {
150         char name[RTE_ETH_XSTATS_NAME_SIZE];
151         unsigned offset;
152 };
153
154 static const struct rte_i40evf_xstats_name_off rte_i40evf_stats_strings[] = {
155         {"rx_bytes", offsetof(struct i40e_eth_stats, rx_bytes)},
156         {"rx_unicast_packets", offsetof(struct i40e_eth_stats, rx_unicast)},
157         {"rx_multicast_packets", offsetof(struct i40e_eth_stats, rx_multicast)},
158         {"rx_broadcast_packets", offsetof(struct i40e_eth_stats, rx_broadcast)},
159         {"rx_dropped_packets", offsetof(struct i40e_eth_stats, rx_discards)},
160         {"rx_unknown_protocol_packets", offsetof(struct i40e_eth_stats,
161                 rx_unknown_protocol)},
162         {"tx_bytes", offsetof(struct i40e_eth_stats, tx_bytes)},
163         {"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_unicast)},
164         {"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_multicast)},
165         {"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_broadcast)},
166         {"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_discards)},
167         {"tx_error_packets", offsetof(struct i40e_eth_stats, tx_errors)},
168 };
169
170 #define I40EVF_NB_XSTATS (sizeof(rte_i40evf_stats_strings) / \
171                 sizeof(rte_i40evf_stats_strings[0]))
172
173 static const struct eth_dev_ops i40evf_eth_dev_ops = {
174         .dev_configure        = i40evf_dev_configure,
175         .dev_start            = i40evf_dev_start,
176         .dev_stop             = i40evf_dev_stop,
177         .promiscuous_enable   = i40evf_dev_promiscuous_enable,
178         .promiscuous_disable  = i40evf_dev_promiscuous_disable,
179         .allmulticast_enable  = i40evf_dev_allmulticast_enable,
180         .allmulticast_disable = i40evf_dev_allmulticast_disable,
181         .link_update          = i40evf_dev_link_update,
182         .stats_get            = i40evf_dev_stats_get,
183         .stats_reset          = i40evf_dev_xstats_reset,
184         .xstats_get           = i40evf_dev_xstats_get,
185         .xstats_get_names     = i40evf_dev_xstats_get_names,
186         .xstats_reset         = i40evf_dev_xstats_reset,
187         .dev_close            = i40evf_dev_close,
188         .dev_reset            = i40evf_dev_reset,
189         .dev_infos_get        = i40evf_dev_info_get,
190         .dev_supported_ptypes_get = i40e_dev_supported_ptypes_get,
191         .vlan_filter_set      = i40evf_vlan_filter_set,
192         .vlan_offload_set     = i40evf_vlan_offload_set,
193         .rx_queue_start       = i40evf_dev_rx_queue_start,
194         .rx_queue_stop        = i40evf_dev_rx_queue_stop,
195         .tx_queue_start       = i40evf_dev_tx_queue_start,
196         .tx_queue_stop        = i40evf_dev_tx_queue_stop,
197         .rx_queue_setup       = i40e_dev_rx_queue_setup,
198         .rx_queue_release     = i40e_dev_rx_queue_release,
199         .rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
200         .rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
201         .rx_descriptor_done   = i40e_dev_rx_descriptor_done,
202         .rx_descriptor_status = i40e_dev_rx_descriptor_status,
203         .tx_descriptor_status = i40e_dev_tx_descriptor_status,
204         .tx_queue_setup       = i40e_dev_tx_queue_setup,
205         .tx_queue_release     = i40e_dev_tx_queue_release,
206         .rx_queue_count       = i40e_dev_rx_queue_count,
207         .rxq_info_get         = i40e_rxq_info_get,
208         .txq_info_get         = i40e_txq_info_get,
209         .mac_addr_add         = i40evf_add_mac_addr,
210         .mac_addr_remove      = i40evf_del_mac_addr,
211         .set_mc_addr_list     = i40evf_set_mc_addr_list,
212         .reta_update          = i40evf_dev_rss_reta_update,
213         .reta_query           = i40evf_dev_rss_reta_query,
214         .rss_hash_update      = i40evf_dev_rss_hash_update,
215         .rss_hash_conf_get    = i40evf_dev_rss_hash_conf_get,
216         .mtu_set              = i40evf_dev_mtu_set,
217         .mac_addr_set         = i40evf_set_default_mac_addr,
218 };
219
220 /*
221  * Read data in admin queue to get msg from pf driver
222  */
223 static enum i40evf_aq_result
224 i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
225 {
226         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
227         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
228         struct i40e_arq_event_info event;
229         enum virtchnl_ops opcode;
230         enum i40e_status_code retval;
231         int ret;
232         enum i40evf_aq_result result = I40EVF_MSG_NON;
233
234         event.buf_len = data->buf_len;
235         event.msg_buf = data->msg;
236         ret = i40e_clean_arq_element(hw, &event, NULL);
237         /* Can't read any msg from adminQ */
238         if (ret) {
239                 if (ret != I40E_ERR_ADMIN_QUEUE_NO_WORK)
240                         result = I40EVF_MSG_ERR;
241                 return result;
242         }
243
244         opcode = (enum virtchnl_ops)rte_le_to_cpu_32(event.desc.cookie_high);
245         retval = (enum i40e_status_code)rte_le_to_cpu_32(event.desc.cookie_low);
246         /* pf sys event */
247         if (opcode == VIRTCHNL_OP_EVENT) {
248                 struct virtchnl_pf_event *vpe =
249                         (struct virtchnl_pf_event *)event.msg_buf;
250
251                 result = I40EVF_MSG_SYS;
252                 switch (vpe->event) {
253                 case VIRTCHNL_EVENT_LINK_CHANGE:
254                         vf->link_up =
255                                 vpe->event_data.link_event.link_status;
256                         vf->link_speed =
257                                 vpe->event_data.link_event.link_speed;
258                         vf->pend_msg |= PFMSG_LINK_CHANGE;
259                         PMD_DRV_LOG(INFO, "Link status update:%s",
260                                     vf->link_up ? "up" : "down");
261                         break;
262                 case VIRTCHNL_EVENT_RESET_IMPENDING:
263                         vf->vf_reset = true;
264                         vf->pend_msg |= PFMSG_RESET_IMPENDING;
265                         PMD_DRV_LOG(INFO, "vf is reseting");
266                         break;
267                 case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
268                         vf->dev_closed = true;
269                         vf->pend_msg |= PFMSG_DRIVER_CLOSE;
270                         PMD_DRV_LOG(INFO, "PF driver closed");
271                         break;
272                 default:
273                         PMD_DRV_LOG(ERR, "%s: Unknown event %d from pf",
274                                     __func__, vpe->event);
275                 }
276         } else {
277                 /* async reply msg on command issued by vf previously */
278                 result = I40EVF_MSG_CMD;
279                 /* Actual data length read from PF */
280                 data->msg_len = event.msg_len;
281         }
282
283         data->result = retval;
284         data->ops = opcode;
285
286         return result;
287 }
288
289 /**
290  * clear current command. Only call in case execute
291  * _atomic_set_cmd successfully.
292  */
293 static inline void
294 _clear_cmd(struct i40e_vf *vf)
295 {
296         rte_wmb();
297         vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
298 }
299
300 /*
301  * Check there is pending cmd in execution. If none, set new command.
302  */
303 static inline int
304 _atomic_set_cmd(struct i40e_vf *vf, enum virtchnl_ops ops)
305 {
306         int ret = rte_atomic32_cmpset(&vf->pend_cmd,
307                         VIRTCHNL_OP_UNKNOWN, ops);
308
309         if (!ret)
310                 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
311
312         return !ret;
313 }
314
315 #define MAX_TRY_TIMES 200
316 #define ASQ_DELAY_MS  10
317
318 static int
319 i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
320 {
321         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
322         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
323         struct i40evf_arq_msg_info info;
324         enum i40evf_aq_result ret;
325         int err, i = 0;
326
327         if (_atomic_set_cmd(vf, args->ops))
328                 return -1;
329
330         info.msg = args->out_buffer;
331         info.buf_len = args->out_size;
332         info.ops = VIRTCHNL_OP_UNKNOWN;
333         info.result = I40E_SUCCESS;
334
335         err = i40e_aq_send_msg_to_pf(hw, args->ops, I40E_SUCCESS,
336                      args->in_args, args->in_args_size, NULL);
337         if (err) {
338                 PMD_DRV_LOG(ERR, "fail to send cmd %d", args->ops);
339                 _clear_cmd(vf);
340                 return err;
341         }
342
343         switch (args->ops) {
344         case VIRTCHNL_OP_RESET_VF:
345                 /*no need to process in this function */
346                 err = 0;
347                 break;
348         case VIRTCHNL_OP_VERSION:
349         case VIRTCHNL_OP_GET_VF_RESOURCES:
350                 /* for init adminq commands, need to poll the response */
351                 err = -1;
352                 do {
353                         ret = i40evf_read_pfmsg(dev, &info);
354                         vf->cmd_retval = info.result;
355                         if (ret == I40EVF_MSG_CMD) {
356                                 err = 0;
357                                 break;
358                         } else if (ret == I40EVF_MSG_ERR)
359                                 break;
360                         rte_delay_ms(ASQ_DELAY_MS);
361                         /* If don't read msg or read sys event, continue */
362                 } while (i++ < MAX_TRY_TIMES);
363                 _clear_cmd(vf);
364                 break;
365         case VIRTCHNL_OP_REQUEST_QUEUES:
366                 /**
367                  * ignore async reply, only wait for system message,
368                  * vf_reset = true if get VIRTCHNL_EVENT_RESET_IMPENDING,
369                  * if not, means request queues failed.
370                  */
371                 err = -1;
372                 do {
373                         ret = i40evf_read_pfmsg(dev, &info);
374                         vf->cmd_retval = info.result;
375                         if (ret == I40EVF_MSG_SYS && vf->vf_reset) {
376                                 err = 0;
377                                 break;
378                         } else if (ret == I40EVF_MSG_ERR ||
379                                            ret == I40EVF_MSG_CMD) {
380                                 break;
381                         }
382                         rte_delay_ms(ASQ_DELAY_MS);
383                         /* If don't read msg or read sys event, continue */
384                 } while (i++ < MAX_TRY_TIMES);
385                 _clear_cmd(vf);
386                 break;
387
388         default:
389                 /* for other adminq in running time, waiting the cmd done flag */
390                 err = -1;
391                 do {
392                         if (vf->pend_cmd == VIRTCHNL_OP_UNKNOWN) {
393                                 err = 0;
394                                 break;
395                         }
396                         rte_delay_ms(ASQ_DELAY_MS);
397                         /* If don't read msg or read sys event, continue */
398                 } while (i++ < MAX_TRY_TIMES);
399                 /* If there's no response is received, clear command */
400                 if (i >= MAX_TRY_TIMES) {
401                         PMD_DRV_LOG(WARNING, "No response for %d", args->ops);
402                         _clear_cmd(vf);
403                 }
404                 break;
405         }
406
407         return err | vf->cmd_retval;
408 }
409
410 /*
411  * Check API version with sync wait until version read or fail from admin queue
412  */
413 static int
414 i40evf_check_api_version(struct rte_eth_dev *dev)
415 {
416         struct virtchnl_version_info version, *pver;
417         int err;
418         struct vf_cmd_info args;
419         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
420
421         version.major = VIRTCHNL_VERSION_MAJOR;
422         version.minor = VIRTCHNL_VERSION_MINOR;
423
424         args.ops = VIRTCHNL_OP_VERSION;
425         args.in_args = (uint8_t *)&version;
426         args.in_args_size = sizeof(version);
427         args.out_buffer = vf->aq_resp;
428         args.out_size = I40E_AQ_BUF_SZ;
429
430         err = i40evf_execute_vf_cmd(dev, &args);
431         if (err) {
432                 PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION");
433                 return err;
434         }
435
436         pver = (struct virtchnl_version_info *)args.out_buffer;
437         vf->version_major = pver->major;
438         vf->version_minor = pver->minor;
439         if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
440                 (vf->version_minor <= VIRTCHNL_VERSION_MINOR))
441                 PMD_DRV_LOG(INFO, "Peer is Linux PF host");
442         else {
443                 PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
444                                         vf->version_major, vf->version_minor,
445                                                 VIRTCHNL_VERSION_MAJOR,
446                                                 VIRTCHNL_VERSION_MINOR);
447                 return -1;
448         }
449
450         return 0;
451 }
452
453 static int
454 i40evf_get_vf_resource(struct rte_eth_dev *dev)
455 {
456         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
457         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
458         int err;
459         struct vf_cmd_info args;
460         uint32_t caps, len;
461
462         args.ops = VIRTCHNL_OP_GET_VF_RESOURCES;
463         args.out_buffer = vf->aq_resp;
464         args.out_size = I40E_AQ_BUF_SZ;
465         if (PF_IS_V11(vf)) {
466                 caps = VIRTCHNL_VF_OFFLOAD_L2 |
467                        VIRTCHNL_VF_OFFLOAD_RSS_AQ |
468                        VIRTCHNL_VF_OFFLOAD_RSS_REG |
469                        VIRTCHNL_VF_OFFLOAD_VLAN |
470                        VIRTCHNL_VF_OFFLOAD_RX_POLLING;
471                 args.in_args = (uint8_t *)&caps;
472                 args.in_args_size = sizeof(caps);
473         } else {
474                 args.in_args = NULL;
475                 args.in_args_size = 0;
476         }
477         err = i40evf_execute_vf_cmd(dev, &args);
478
479         if (err) {
480                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE");
481                 return err;
482         }
483
484         len =  sizeof(struct virtchnl_vf_resource) +
485                 I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
486
487         rte_memcpy(vf->vf_res, args.out_buffer,
488                         RTE_MIN(args.out_size, len));
489         i40e_vf_parse_hw_config(hw, vf->vf_res);
490
491         return 0;
492 }
493
494 static int
495 i40evf_config_promisc(struct rte_eth_dev *dev,
496                       bool enable_unicast,
497                       bool enable_multicast)
498 {
499         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
500         int err;
501         struct vf_cmd_info args;
502         struct virtchnl_promisc_info promisc;
503
504         promisc.flags = 0;
505         promisc.vsi_id = vf->vsi_res->vsi_id;
506
507         if (enable_unicast)
508                 promisc.flags |= FLAG_VF_UNICAST_PROMISC;
509
510         if (enable_multicast)
511                 promisc.flags |= FLAG_VF_MULTICAST_PROMISC;
512
513         args.ops = VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
514         args.in_args = (uint8_t *)&promisc;
515         args.in_args_size = sizeof(promisc);
516         args.out_buffer = vf->aq_resp;
517         args.out_size = I40E_AQ_BUF_SZ;
518
519         err = i40evf_execute_vf_cmd(dev, &args);
520
521         if (err)
522                 PMD_DRV_LOG(ERR, "fail to execute command "
523                             "CONFIG_PROMISCUOUS_MODE");
524         return err;
525 }
526
527 static int
528 i40evf_enable_vlan_strip(struct rte_eth_dev *dev)
529 {
530         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
531         struct vf_cmd_info args;
532         int ret;
533
534         memset(&args, 0, sizeof(args));
535         args.ops = VIRTCHNL_OP_ENABLE_VLAN_STRIPPING;
536         args.in_args = NULL;
537         args.in_args_size = 0;
538         args.out_buffer = vf->aq_resp;
539         args.out_size = I40E_AQ_BUF_SZ;
540         ret = i40evf_execute_vf_cmd(dev, &args);
541         if (ret)
542                 PMD_DRV_LOG(ERR, "Failed to execute command of "
543                             "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING");
544
545         return ret;
546 }
547
548 static int
549 i40evf_disable_vlan_strip(struct rte_eth_dev *dev)
550 {
551         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
552         struct vf_cmd_info args;
553         int ret;
554
555         memset(&args, 0, sizeof(args));
556         args.ops = VIRTCHNL_OP_DISABLE_VLAN_STRIPPING;
557         args.in_args = NULL;
558         args.in_args_size = 0;
559         args.out_buffer = vf->aq_resp;
560         args.out_size = I40E_AQ_BUF_SZ;
561         ret = i40evf_execute_vf_cmd(dev, &args);
562         if (ret)
563                 PMD_DRV_LOG(ERR, "Failed to execute command of "
564                             "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING");
565
566         return ret;
567 }
568
569 static void
570 i40evf_fill_virtchnl_vsi_txq_info(struct virtchnl_txq_info *txq_info,
571                                   uint16_t vsi_id,
572                                   uint16_t queue_id,
573                                   uint16_t nb_txq,
574                                   struct i40e_tx_queue *txq)
575 {
576         txq_info->vsi_id = vsi_id;
577         txq_info->queue_id = queue_id;
578         if (queue_id < nb_txq && txq) {
579                 txq_info->ring_len = txq->nb_tx_desc;
580                 txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
581         }
582 }
583
584 static void
585 i40evf_fill_virtchnl_vsi_rxq_info(struct virtchnl_rxq_info *rxq_info,
586                                   uint16_t vsi_id,
587                                   uint16_t queue_id,
588                                   uint16_t nb_rxq,
589                                   uint32_t max_pkt_size,
590                                   struct i40e_rx_queue *rxq)
591 {
592         rxq_info->vsi_id = vsi_id;
593         rxq_info->queue_id = queue_id;
594         rxq_info->max_pkt_size = max_pkt_size;
595         if (queue_id < nb_rxq && rxq) {
596                 rxq_info->ring_len = rxq->nb_rx_desc;
597                 rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
598                 rxq_info->databuffer_size =
599                         (rte_pktmbuf_data_room_size(rxq->mp) -
600                                 RTE_PKTMBUF_HEADROOM);
601         }
602 }
603
604 static int
605 i40evf_configure_vsi_queues(struct rte_eth_dev *dev)
606 {
607         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
608         struct i40e_rx_queue **rxq =
609                 (struct i40e_rx_queue **)dev->data->rx_queues;
610         struct i40e_tx_queue **txq =
611                 (struct i40e_tx_queue **)dev->data->tx_queues;
612         struct virtchnl_vsi_queue_config_info *vc_vqci;
613         struct virtchnl_queue_pair_info *vc_qpi;
614         struct vf_cmd_info args;
615         uint16_t i, nb_qp = vf->num_queue_pairs;
616         const uint32_t size =
617                 I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
618         uint8_t buff[size];
619         int ret;
620
621         memset(buff, 0, sizeof(buff));
622         vc_vqci = (struct virtchnl_vsi_queue_config_info *)buff;
623         vc_vqci->vsi_id = vf->vsi_res->vsi_id;
624         vc_vqci->num_queue_pairs = nb_qp;
625
626         for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
627                 i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
628                         vc_vqci->vsi_id, i, dev->data->nb_tx_queues,
629                         txq ? txq[i] : NULL);
630                 i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
631                         vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
632                         vf->max_pkt_len, rxq ? rxq[i] : NULL);
633         }
634         memset(&args, 0, sizeof(args));
635         args.ops = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
636         args.in_args = (uint8_t *)vc_vqci;
637         args.in_args_size = size;
638         args.out_buffer = vf->aq_resp;
639         args.out_size = I40E_AQ_BUF_SZ;
640         ret = i40evf_execute_vf_cmd(dev, &args);
641         if (ret)
642                 PMD_DRV_LOG(ERR, "Failed to execute command of "
643                         "VIRTCHNL_OP_CONFIG_VSI_QUEUES");
644
645         return ret;
646 }
647
648 static int
649 i40evf_config_irq_map(struct rte_eth_dev *dev)
650 {
651         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
652         struct vf_cmd_info args;
653         uint8_t cmd_buffer[sizeof(struct virtchnl_irq_map_info) + \
654                 sizeof(struct virtchnl_vector_map)];
655         struct virtchnl_irq_map_info *map_info;
656         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
657         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
658         uint32_t vector_id;
659         int i, err;
660
661         if (dev->data->dev_conf.intr_conf.rxq != 0 &&
662             rte_intr_allow_others(intr_handle))
663                 vector_id = I40E_RX_VEC_START;
664         else
665                 vector_id = I40E_MISC_VEC_ID;
666
667         map_info = (struct virtchnl_irq_map_info *)cmd_buffer;
668         map_info->num_vectors = 1;
669         map_info->vecmap[0].rxitr_idx = I40E_ITR_INDEX_DEFAULT;
670         map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
671         /* Alway use default dynamic MSIX interrupt */
672         map_info->vecmap[0].vector_id = vector_id;
673         /* Don't map any tx queue */
674         map_info->vecmap[0].txq_map = 0;
675         map_info->vecmap[0].rxq_map = 0;
676         for (i = 0; i < dev->data->nb_rx_queues; i++) {
677                 map_info->vecmap[0].rxq_map |= 1 << i;
678                 if (rte_intr_dp_is_en(intr_handle))
679                         intr_handle->intr_vec[i] = vector_id;
680         }
681
682         args.ops = VIRTCHNL_OP_CONFIG_IRQ_MAP;
683         args.in_args = (u8 *)cmd_buffer;
684         args.in_args_size = sizeof(cmd_buffer);
685         args.out_buffer = vf->aq_resp;
686         args.out_size = I40E_AQ_BUF_SZ;
687         err = i40evf_execute_vf_cmd(dev, &args);
688         if (err)
689                 PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES");
690
691         return err;
692 }
693
694 static int
695 i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid,
696                                 bool on)
697 {
698         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
699         struct virtchnl_queue_select queue_select;
700         int err;
701         struct vf_cmd_info args;
702         memset(&queue_select, 0, sizeof(queue_select));
703         queue_select.vsi_id = vf->vsi_res->vsi_id;
704
705         if (isrx)
706                 queue_select.rx_queues |= 1 << qid;
707         else
708                 queue_select.tx_queues |= 1 << qid;
709
710         if (on)
711                 args.ops = VIRTCHNL_OP_ENABLE_QUEUES;
712         else
713                 args.ops = VIRTCHNL_OP_DISABLE_QUEUES;
714         args.in_args = (u8 *)&queue_select;
715         args.in_args_size = sizeof(queue_select);
716         args.out_buffer = vf->aq_resp;
717         args.out_size = I40E_AQ_BUF_SZ;
718         err = i40evf_execute_vf_cmd(dev, &args);
719         if (err)
720                 PMD_DRV_LOG(ERR, "fail to switch %s %u %s",
721                             isrx ? "RX" : "TX", qid, on ? "on" : "off");
722
723         return err;
724 }
725
726 static int
727 i40evf_start_queues(struct rte_eth_dev *dev)
728 {
729         struct rte_eth_dev_data *dev_data = dev->data;
730         int i;
731         struct i40e_rx_queue *rxq;
732         struct i40e_tx_queue *txq;
733
734         for (i = 0; i < dev->data->nb_rx_queues; i++) {
735                 rxq = dev_data->rx_queues[i];
736                 if (rxq->rx_deferred_start)
737                         continue;
738                 if (i40evf_dev_rx_queue_start(dev, i) != 0) {
739                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
740                         return -1;
741                 }
742         }
743
744         for (i = 0; i < dev->data->nb_tx_queues; i++) {
745                 txq = dev_data->tx_queues[i];
746                 if (txq->tx_deferred_start)
747                         continue;
748                 if (i40evf_dev_tx_queue_start(dev, i) != 0) {
749                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
750                         return -1;
751                 }
752         }
753
754         return 0;
755 }
756
757 static int
758 i40evf_stop_queues(struct rte_eth_dev *dev)
759 {
760         int i;
761
762         /* Stop TX queues first */
763         for (i = 0; i < dev->data->nb_tx_queues; i++) {
764                 if (i40evf_dev_tx_queue_stop(dev, i) != 0) {
765                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
766                         return -1;
767                 }
768         }
769
770         /* Then stop RX queues */
771         for (i = 0; i < dev->data->nb_rx_queues; i++) {
772                 if (i40evf_dev_rx_queue_stop(dev, i) != 0) {
773                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
774                         return -1;
775                 }
776         }
777
778         return 0;
779 }
780
781 static int
782 i40evf_add_mac_addr(struct rte_eth_dev *dev,
783                     struct rte_ether_addr *addr,
784                     __rte_unused uint32_t index,
785                     __rte_unused uint32_t pool)
786 {
787         struct virtchnl_ether_addr_list *list;
788         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
789         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
790                         sizeof(struct virtchnl_ether_addr)];
791         int err;
792         struct vf_cmd_info args;
793
794         if (rte_is_zero_ether_addr(addr)) {
795                 PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
796                             addr->addr_bytes[0], addr->addr_bytes[1],
797                             addr->addr_bytes[2], addr->addr_bytes[3],
798                             addr->addr_bytes[4], addr->addr_bytes[5]);
799                 return I40E_ERR_INVALID_MAC_ADDR;
800         }
801
802         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
803         list->vsi_id = vf->vsi_res->vsi_id;
804         list->num_elements = 1;
805         rte_memcpy(list->list[0].addr, addr->addr_bytes,
806                                         sizeof(addr->addr_bytes));
807
808         args.ops = VIRTCHNL_OP_ADD_ETH_ADDR;
809         args.in_args = cmd_buffer;
810         args.in_args_size = sizeof(cmd_buffer);
811         args.out_buffer = vf->aq_resp;
812         args.out_size = I40E_AQ_BUF_SZ;
813         err = i40evf_execute_vf_cmd(dev, &args);
814         if (err)
815                 PMD_DRV_LOG(ERR, "fail to execute command "
816                             "OP_ADD_ETHER_ADDRESS");
817         else
818                 vf->vsi.mac_num++;
819
820         return err;
821 }
822
823 static void
824 i40evf_del_mac_addr_by_addr(struct rte_eth_dev *dev,
825                             struct rte_ether_addr *addr)
826 {
827         struct virtchnl_ether_addr_list *list;
828         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
829         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
830                         sizeof(struct virtchnl_ether_addr)];
831         int err;
832         struct vf_cmd_info args;
833
834         if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
835                 PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x",
836                             addr->addr_bytes[0], addr->addr_bytes[1],
837                             addr->addr_bytes[2], addr->addr_bytes[3],
838                             addr->addr_bytes[4], addr->addr_bytes[5]);
839                 return;
840         }
841
842         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
843         list->vsi_id = vf->vsi_res->vsi_id;
844         list->num_elements = 1;
845         rte_memcpy(list->list[0].addr, addr->addr_bytes,
846                         sizeof(addr->addr_bytes));
847
848         args.ops = VIRTCHNL_OP_DEL_ETH_ADDR;
849         args.in_args = cmd_buffer;
850         args.in_args_size = sizeof(cmd_buffer);
851         args.out_buffer = vf->aq_resp;
852         args.out_size = I40E_AQ_BUF_SZ;
853         err = i40evf_execute_vf_cmd(dev, &args);
854         if (err)
855                 PMD_DRV_LOG(ERR, "fail to execute command "
856                             "OP_DEL_ETHER_ADDRESS");
857         else
858                 vf->vsi.mac_num--;
859         return;
860 }
861
862 static void
863 i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
864 {
865         struct rte_eth_dev_data *data = dev->data;
866         struct rte_ether_addr *addr;
867
868         addr = &data->mac_addrs[index];
869
870         i40evf_del_mac_addr_by_addr(dev, addr);
871 }
872
873 static int
874 i40evf_query_stats(struct rte_eth_dev *dev, struct i40e_eth_stats **pstats)
875 {
876         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
877         struct virtchnl_queue_select q_stats;
878         int err;
879         struct vf_cmd_info args;
880
881         memset(&q_stats, 0, sizeof(q_stats));
882         q_stats.vsi_id = vf->vsi_res->vsi_id;
883         args.ops = VIRTCHNL_OP_GET_STATS;
884         args.in_args = (u8 *)&q_stats;
885         args.in_args_size = sizeof(q_stats);
886         args.out_buffer = vf->aq_resp;
887         args.out_size = I40E_AQ_BUF_SZ;
888
889         err = i40evf_execute_vf_cmd(dev, &args);
890         if (err) {
891                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
892                 *pstats = NULL;
893                 return err;
894         }
895         *pstats = (struct i40e_eth_stats *)args.out_buffer;
896         return 0;
897 }
898
899 static void
900 i40evf_stat_update_48(uint64_t *offset,
901                    uint64_t *stat)
902 {
903         if (*stat >= *offset)
904                 *stat = *stat - *offset;
905         else
906                 *stat = (uint64_t)((*stat +
907                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
908
909         *stat &= I40E_48_BIT_MASK;
910 }
911
912 static void
913 i40evf_stat_update_32(uint64_t *offset,
914                    uint64_t *stat)
915 {
916         if (*stat >= *offset)
917                 *stat = (uint64_t)(*stat - *offset);
918         else
919                 *stat = (uint64_t)((*stat +
920                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
921 }
922
923 static void
924 i40evf_update_stats(struct i40e_vsi *vsi,
925                                         struct i40e_eth_stats *nes)
926 {
927         struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
928
929         i40evf_stat_update_48(&oes->rx_bytes,
930                             &nes->rx_bytes);
931         i40evf_stat_update_48(&oes->rx_unicast,
932                             &nes->rx_unicast);
933         i40evf_stat_update_48(&oes->rx_multicast,
934                             &nes->rx_multicast);
935         i40evf_stat_update_48(&oes->rx_broadcast,
936                             &nes->rx_broadcast);
937         i40evf_stat_update_32(&oes->rx_discards,
938                                 &nes->rx_discards);
939         i40evf_stat_update_32(&oes->rx_unknown_protocol,
940                             &nes->rx_unknown_protocol);
941         i40evf_stat_update_48(&oes->tx_bytes,
942                             &nes->tx_bytes);
943         i40evf_stat_update_48(&oes->tx_unicast,
944                             &nes->tx_unicast);
945         i40evf_stat_update_48(&oes->tx_multicast,
946                             &nes->tx_multicast);
947         i40evf_stat_update_48(&oes->tx_broadcast,
948                             &nes->tx_broadcast);
949         i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
950         i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
951 }
952
953 static void
954 i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
955 {
956         int ret;
957         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
958         struct i40e_eth_stats *pstats = NULL;
959
960         /* read stat values to clear hardware registers */
961         ret = i40evf_query_stats(dev, &pstats);
962
963         /* set stats offset base on current values */
964         if (ret == 0)
965                 vf->vsi.eth_stats_offset = *pstats;
966 }
967
968 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
969                                       struct rte_eth_xstat_name *xstats_names,
970                                       __rte_unused unsigned limit)
971 {
972         unsigned i;
973
974         if (xstats_names != NULL)
975                 for (i = 0; i < I40EVF_NB_XSTATS; i++) {
976                         snprintf(xstats_names[i].name,
977                                 sizeof(xstats_names[i].name),
978                                 "%s", rte_i40evf_stats_strings[i].name);
979                 }
980         return I40EVF_NB_XSTATS;
981 }
982
983 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
984                                  struct rte_eth_xstat *xstats, unsigned n)
985 {
986         int ret;
987         unsigned i;
988         struct i40e_eth_stats *pstats = NULL;
989         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
990         struct i40e_vsi *vsi = &vf->vsi;
991
992         if (n < I40EVF_NB_XSTATS)
993                 return I40EVF_NB_XSTATS;
994
995         ret = i40evf_query_stats(dev, &pstats);
996         if (ret != 0)
997                 return 0;
998
999         if (!xstats)
1000                 return 0;
1001
1002         i40evf_update_stats(vsi, pstats);
1003
1004         /* loop over xstats array and values from pstats */
1005         for (i = 0; i < I40EVF_NB_XSTATS; i++) {
1006                 xstats[i].id = i;
1007                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
1008                         rte_i40evf_stats_strings[i].offset);
1009         }
1010
1011         return I40EVF_NB_XSTATS;
1012 }
1013
1014 static int
1015 i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
1016 {
1017         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1018         struct virtchnl_vlan_filter_list *vlan_list;
1019         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
1020                                                         sizeof(uint16_t)];
1021         int err;
1022         struct vf_cmd_info args;
1023
1024         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
1025         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1026         vlan_list->num_elements = 1;
1027         vlan_list->vlan_id[0] = vlanid;
1028
1029         args.ops = VIRTCHNL_OP_ADD_VLAN;
1030         args.in_args = (u8 *)&cmd_buffer;
1031         args.in_args_size = sizeof(cmd_buffer);
1032         args.out_buffer = vf->aq_resp;
1033         args.out_size = I40E_AQ_BUF_SZ;
1034         err = i40evf_execute_vf_cmd(dev, &args);
1035         if (err)
1036                 PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN");
1037
1038         return err;
1039 }
1040
1041 static int
1042 i40evf_request_queues(struct rte_eth_dev *dev, uint16_t num)
1043 {
1044         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1045         struct virtchnl_vf_res_request vfres;
1046         struct vf_cmd_info args;
1047         int err;
1048
1049         vfres.num_queue_pairs = num;
1050
1051         args.ops = VIRTCHNL_OP_REQUEST_QUEUES;
1052         args.in_args = (u8 *)&vfres;
1053         args.in_args_size = sizeof(vfres);
1054         args.out_buffer = vf->aq_resp;
1055         args.out_size = I40E_AQ_BUF_SZ;
1056
1057         rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
1058         err = i40evf_execute_vf_cmd(dev, &args);
1059         if (err)
1060                 PMD_DRV_LOG(ERR, "fail to execute command OP_REQUEST_QUEUES");
1061
1062         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1063                           i40evf_dev_alarm_handler, dev);
1064         return err;
1065 }
1066
1067 static int
1068 i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
1069 {
1070         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1071         struct virtchnl_vlan_filter_list *vlan_list;
1072         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
1073                                                         sizeof(uint16_t)];
1074         int err;
1075         struct vf_cmd_info args;
1076
1077         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
1078         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1079         vlan_list->num_elements = 1;
1080         vlan_list->vlan_id[0] = vlanid;
1081
1082         args.ops = VIRTCHNL_OP_DEL_VLAN;
1083         args.in_args = (u8 *)&cmd_buffer;
1084         args.in_args_size = sizeof(cmd_buffer);
1085         args.out_buffer = vf->aq_resp;
1086         args.out_size = I40E_AQ_BUF_SZ;
1087         err = i40evf_execute_vf_cmd(dev, &args);
1088         if (err)
1089                 PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN");
1090
1091         return err;
1092 }
1093
1094 static const struct rte_pci_id pci_id_i40evf_map[] = {
1095         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF) },
1096         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF_HV) },
1097         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_A0_VF) },
1098         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF) },
1099         { .vendor_id = 0, /* sentinel */ },
1100 };
1101
1102 /* Disable IRQ0 */
1103 static inline void
1104 i40evf_disable_irq0(struct i40e_hw *hw)
1105 {
1106         /* Disable all interrupt types */
1107         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, 0);
1108         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1109                        I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1110         I40EVF_WRITE_FLUSH(hw);
1111 }
1112
1113 /* Enable IRQ0 */
1114 static inline void
1115 i40evf_enable_irq0(struct i40e_hw *hw)
1116 {
1117         /* Enable admin queue interrupt trigger */
1118         uint32_t val;
1119
1120         i40evf_disable_irq0(hw);
1121         val = I40E_READ_REG(hw, I40E_VFINT_ICR0_ENA1);
1122         val |= I40E_VFINT_ICR0_ENA1_ADMINQ_MASK |
1123                 I40E_VFINT_ICR0_ENA1_LINK_STAT_CHANGE_MASK;
1124         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, val);
1125
1126         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1127                 I40E_VFINT_DYN_CTL01_INTENA_MASK |
1128                 I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1129                 I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1130
1131         I40EVF_WRITE_FLUSH(hw);
1132 }
1133
1134 static int
1135 i40evf_check_vf_reset_done(struct rte_eth_dev *dev)
1136 {
1137         int i, reset;
1138         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1139         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1140
1141         for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
1142                 reset = I40E_READ_REG(hw, I40E_VFGEN_RSTAT) &
1143                         I40E_VFGEN_RSTAT_VFR_STATE_MASK;
1144                 reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
1145                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1146                     reset == VIRTCHNL_VFR_COMPLETED)
1147                         break;
1148                 rte_delay_ms(50);
1149         }
1150
1151         if (i >= MAX_RESET_WAIT_CNT)
1152                 return -1;
1153
1154         vf->vf_reset = false;
1155         vf->pend_msg &= ~PFMSG_RESET_IMPENDING;
1156
1157         return 0;
1158 }
1159 static int
1160 i40evf_reset_vf(struct rte_eth_dev *dev)
1161 {
1162         int ret;
1163         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1164
1165         if (i40e_vf_reset(hw) != I40E_SUCCESS) {
1166                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1167                 return -1;
1168         }
1169         /**
1170           * After issuing vf reset command to pf, pf won't necessarily
1171           * reset vf, it depends on what state it exactly is. If it's not
1172           * initialized yet, it won't have vf reset since it's in a certain
1173           * state. If not, it will try to reset. Even vf is reset, pf will
1174           * set I40E_VFGEN_RSTAT to COMPLETE first, then wait 10ms and set
1175           * it to ACTIVE. In this duration, vf may not catch the moment that
1176           * COMPLETE is set. So, for vf, we'll try to wait a long time.
1177           */
1178         rte_delay_ms(200);
1179
1180         ret = i40evf_check_vf_reset_done(dev);
1181         if (ret) {
1182                 PMD_INIT_LOG(ERR, "VF is still resetting");
1183                 return ret;
1184         }
1185
1186         return 0;
1187 }
1188
1189 static int
1190 i40evf_init_vf(struct rte_eth_dev *dev)
1191 {
1192         int i, err, bufsz;
1193         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1194         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1195         uint16_t interval =
1196                 i40e_calc_itr_interval(0, 0);
1197
1198         vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1199         vf->dev_data = dev->data;
1200         err = i40e_set_mac_type(hw);
1201         if (err) {
1202                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1203                 goto err;
1204         }
1205
1206         err = i40evf_check_vf_reset_done(dev);
1207         if (err)
1208                 goto err;
1209
1210         i40e_init_adminq_parameter(hw);
1211         err = i40e_init_adminq(hw);
1212         if (err) {
1213                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1214                 goto err;
1215         }
1216
1217         /* Reset VF and wait until it's complete */
1218         if (i40evf_reset_vf(dev)) {
1219                 PMD_INIT_LOG(ERR, "reset NIC failed");
1220                 goto err_aq;
1221         }
1222
1223         /* VF reset, shutdown admin queue and initialize again */
1224         if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
1225                 PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed");
1226                 goto err;
1227         }
1228
1229         i40e_init_adminq_parameter(hw);
1230         if (i40e_init_adminq(hw) != I40E_SUCCESS) {
1231                 PMD_INIT_LOG(ERR, "init_adminq failed");
1232                 goto err;
1233         }
1234
1235         vf->aq_resp = rte_zmalloc("vf_aq_resp", I40E_AQ_BUF_SZ, 0);
1236         if (!vf->aq_resp) {
1237                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1238                 goto err_aq;
1239         }
1240         if (i40evf_check_api_version(dev) != 0) {
1241                 PMD_INIT_LOG(ERR, "check_api version failed");
1242                 goto err_api;
1243         }
1244         bufsz = sizeof(struct virtchnl_vf_resource) +
1245                 (I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1246         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1247         if (!vf->vf_res) {
1248                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1249                 goto err_api;
1250         }
1251
1252         if (i40evf_get_vf_resource(dev) != 0) {
1253                 PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed");
1254                 goto err_alloc;
1255         }
1256
1257         /* got VF config message back from PF, now we can parse it */
1258         for (i = 0; i < vf->vf_res->num_vsis; i++) {
1259                 if (vf->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
1260                         vf->vsi_res = &vf->vf_res->vsi_res[i];
1261         }
1262
1263         if (!vf->vsi_res) {
1264                 PMD_INIT_LOG(ERR, "no LAN VSI found");
1265                 goto err_alloc;
1266         }
1267
1268         if (hw->mac.type == I40E_MAC_X722_VF)
1269                 vf->flags = I40E_FLAG_RSS_AQ_CAPABLE;
1270         vf->vsi.vsi_id = vf->vsi_res->vsi_id;
1271
1272         switch (vf->vsi_res->vsi_type) {
1273         case VIRTCHNL_VSI_SRIOV:
1274                 vf->vsi.type = I40E_VSI_SRIOV;
1275                 break;
1276         default:
1277                 vf->vsi.type = I40E_VSI_TYPE_UNKNOWN;
1278                 break;
1279         }
1280         vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
1281         vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1282
1283         /* Store the MAC address configured by host, or generate random one */
1284         if (rte_is_valid_assigned_ether_addr(
1285                         (struct rte_ether_addr *)hw->mac.addr))
1286                 vf->flags |= I40E_FLAG_VF_MAC_BY_PF;
1287         else
1288                 rte_eth_random_addr(hw->mac.addr); /* Generate a random one */
1289
1290         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1291                        (I40E_ITR_INDEX_DEFAULT <<
1292                         I40E_VFINT_DYN_CTL0_ITR_INDX_SHIFT) |
1293                        (interval <<
1294                         I40E_VFINT_DYN_CTL0_INTERVAL_SHIFT));
1295         I40EVF_WRITE_FLUSH(hw);
1296
1297         return 0;
1298
1299 err_alloc:
1300         rte_free(vf->vf_res);
1301         vf->vsi_res = NULL;
1302 err_api:
1303         rte_free(vf->aq_resp);
1304 err_aq:
1305         i40e_shutdown_adminq(hw); /* ignore error */
1306 err:
1307         return -1;
1308 }
1309
1310 static int
1311 i40evf_uninit_vf(struct rte_eth_dev *dev)
1312 {
1313         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1314         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1315
1316         PMD_INIT_FUNC_TRACE();
1317
1318         if (hw->adapter_closed == 0)
1319                 i40evf_dev_close(dev);
1320         rte_free(vf->vf_res);
1321         vf->vf_res = NULL;
1322         rte_free(vf->aq_resp);
1323         vf->aq_resp = NULL;
1324
1325         return 0;
1326 }
1327
1328 static void
1329 i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
1330                 __rte_unused uint16_t msglen)
1331 {
1332         struct virtchnl_pf_event *pf_msg =
1333                         (struct virtchnl_pf_event *)msg;
1334         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1335
1336         switch (pf_msg->event) {
1337         case VIRTCHNL_EVENT_RESET_IMPENDING:
1338                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
1339                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
1340                                               NULL);
1341                 break;
1342         case VIRTCHNL_EVENT_LINK_CHANGE:
1343                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
1344                 vf->link_up = pf_msg->event_data.link_event.link_status;
1345                 vf->link_speed = pf_msg->event_data.link_event.link_speed;
1346                 break;
1347         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
1348                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
1349                 break;
1350         default:
1351                 PMD_DRV_LOG(ERR, " unknown event received %u", pf_msg->event);
1352                 break;
1353         }
1354 }
1355
1356 static void
1357 i40evf_handle_aq_msg(struct rte_eth_dev *dev)
1358 {
1359         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1360         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1361         struct i40e_arq_event_info info;
1362         uint16_t pending, aq_opc;
1363         enum virtchnl_ops msg_opc;
1364         enum i40e_status_code msg_ret;
1365         int ret;
1366
1367         info.buf_len = I40E_AQ_BUF_SZ;
1368         if (!vf->aq_resp) {
1369                 PMD_DRV_LOG(ERR, "Buffer for adminq resp should not be NULL");
1370                 return;
1371         }
1372         info.msg_buf = vf->aq_resp;
1373
1374         pending = 1;
1375         while (pending) {
1376                 ret = i40e_clean_arq_element(hw, &info, &pending);
1377
1378                 if (ret != I40E_SUCCESS) {
1379                         PMD_DRV_LOG(INFO, "Failed to read msg from AdminQ,"
1380                                     "ret: %d", ret);
1381                         break;
1382                 }
1383                 aq_opc = rte_le_to_cpu_16(info.desc.opcode);
1384                 /* For the message sent from pf to vf, opcode is stored in
1385                  * cookie_high of struct i40e_aq_desc, while return error code
1386                  * are stored in cookie_low, Which is done by
1387                  * i40e_aq_send_msg_to_vf in PF driver.*/
1388                 msg_opc = (enum virtchnl_ops)rte_le_to_cpu_32(
1389                                                   info.desc.cookie_high);
1390                 msg_ret = (enum i40e_status_code)rte_le_to_cpu_32(
1391                                                   info.desc.cookie_low);
1392                 switch (aq_opc) {
1393                 case i40e_aqc_opc_send_msg_to_vf:
1394                         if (msg_opc == VIRTCHNL_OP_EVENT)
1395                                 /* process event*/
1396                                 i40evf_handle_pf_event(dev, info.msg_buf,
1397                                                        info.msg_len);
1398                         else {
1399                                 /* read message and it's expected one */
1400                                 if (msg_opc == vf->pend_cmd) {
1401                                         vf->cmd_retval = msg_ret;
1402                                         /* prevent compiler reordering */
1403                                         rte_compiler_barrier();
1404                                         _clear_cmd(vf);
1405                                 } else
1406                                         PMD_DRV_LOG(ERR, "command mismatch,"
1407                                                 "expect %u, get %u",
1408                                                 vf->pend_cmd, msg_opc);
1409                                 PMD_DRV_LOG(DEBUG, "adminq response is received,"
1410                                              " opcode = %d", msg_opc);
1411                         }
1412                         break;
1413                 default:
1414                         PMD_DRV_LOG(DEBUG, "Request %u is not supported yet",
1415                                     aq_opc);
1416                         break;
1417                 }
1418         }
1419 }
1420
1421 /**
1422  * Interrupt handler triggered by NIC  for handling
1423  * specific interrupt. Only adminq interrupt is processed in VF.
1424  *
1425  * @param handle
1426  *  Pointer to interrupt handle.
1427  * @param param
1428  *  The address of parameter (struct rte_eth_dev *) regsitered before.
1429  *
1430  * @return
1431  *  void
1432  */
1433 static void
1434 i40evf_dev_alarm_handler(void *param)
1435 {
1436         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1437         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1438         uint32_t icr0;
1439
1440         i40evf_disable_irq0(hw);
1441
1442         /* read out interrupt causes */
1443         icr0 = I40E_READ_REG(hw, I40E_VFINT_ICR01);
1444
1445         /* No interrupt event indicated */
1446         if (!(icr0 & I40E_VFINT_ICR01_INTEVENT_MASK))
1447                 goto done;
1448
1449         if (icr0 & I40E_VFINT_ICR01_ADMINQ_MASK) {
1450                 PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported");
1451                 i40evf_handle_aq_msg(dev);
1452         }
1453
1454         /* Link Status Change interrupt */
1455         if (icr0 & I40E_VFINT_ICR01_LINK_STAT_CHANGE_MASK)
1456                 PMD_DRV_LOG(DEBUG, "LINK_STAT_CHANGE is reported,"
1457                                    " do nothing");
1458
1459 done:
1460         i40evf_enable_irq0(hw);
1461         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1462                           i40evf_dev_alarm_handler, dev);
1463 }
1464
1465 static int
1466 i40evf_dev_init(struct rte_eth_dev *eth_dev)
1467 {
1468         struct i40e_hw *hw
1469                 = I40E_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
1470         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1471
1472         PMD_INIT_FUNC_TRACE();
1473
1474         /* assign ops func pointer */
1475         eth_dev->dev_ops = &i40evf_eth_dev_ops;
1476         eth_dev->rx_pkt_burst = &i40e_recv_pkts;
1477         eth_dev->tx_pkt_burst = &i40e_xmit_pkts;
1478
1479         /*
1480          * For secondary processes, we don't initialise any further as primary
1481          * has already done this work.
1482          */
1483         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
1484                 i40e_set_rx_function(eth_dev);
1485                 i40e_set_tx_function(eth_dev);
1486                 return 0;
1487         }
1488         i40e_set_default_ptype_table(eth_dev);
1489         rte_eth_copy_pci_info(eth_dev, pci_dev);
1490
1491         hw->vendor_id = pci_dev->id.vendor_id;
1492         hw->device_id = pci_dev->id.device_id;
1493         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1494         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1495         hw->bus.device = pci_dev->addr.devid;
1496         hw->bus.func = pci_dev->addr.function;
1497         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1498         hw->adapter_stopped = 0;
1499         hw->adapter_closed = 0;
1500
1501         if(i40evf_init_vf(eth_dev) != 0) {
1502                 PMD_INIT_LOG(ERR, "Init vf failed");
1503                 return -1;
1504         }
1505
1506         i40e_set_default_pctype_table(eth_dev);
1507         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1508                           i40evf_dev_alarm_handler, eth_dev);
1509
1510         /* configure and enable device interrupt */
1511         i40evf_enable_irq0(hw);
1512
1513         /* copy mac addr */
1514         eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
1515                                 RTE_ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX,
1516                                 0);
1517         if (eth_dev->data->mac_addrs == NULL) {
1518                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1519                                 " store MAC addresses",
1520                                 RTE_ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX);
1521                 return -ENOMEM;
1522         }
1523         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
1524                         &eth_dev->data->mac_addrs[0]);
1525
1526         return 0;
1527 }
1528
1529 static int
1530 i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
1531 {
1532         PMD_INIT_FUNC_TRACE();
1533
1534         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1535                 return -EPERM;
1536
1537         eth_dev->dev_ops = NULL;
1538         eth_dev->rx_pkt_burst = NULL;
1539         eth_dev->tx_pkt_burst = NULL;
1540
1541         if (i40evf_uninit_vf(eth_dev) != 0) {
1542                 PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
1543                 return -1;
1544         }
1545
1546         return 0;
1547 }
1548
1549 static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1550         struct rte_pci_device *pci_dev)
1551 {
1552         return rte_eth_dev_pci_generic_probe(pci_dev,
1553                 sizeof(struct i40e_adapter), i40evf_dev_init);
1554 }
1555
1556 static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
1557 {
1558         return rte_eth_dev_pci_generic_remove(pci_dev, i40evf_dev_uninit);
1559 }
1560
1561 /*
1562  * virtual function driver struct
1563  */
1564 static struct rte_pci_driver rte_i40evf_pmd = {
1565         .id_table = pci_id_i40evf_map,
1566         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1567         .probe = eth_i40evf_pci_probe,
1568         .remove = eth_i40evf_pci_remove,
1569 };
1570
1571 RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd);
1572 RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
1573 RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio-pci");
1574
1575 static int
1576 i40evf_dev_configure(struct rte_eth_dev *dev)
1577 {
1578         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1579         struct i40e_adapter *ad =
1580                 I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1581         uint16_t num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
1582                                 dev->data->nb_tx_queues);
1583
1584         /* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
1585          * allocation or vector Rx preconditions we will reset it.
1586          */
1587         ad->rx_bulk_alloc_allowed = true;
1588         ad->rx_vec_allowed = true;
1589         ad->tx_simple_allowed = true;
1590         ad->tx_vec_allowed = true;
1591
1592         if (num_queue_pairs > vf->vsi_res->num_queue_pairs) {
1593                 int ret = 0;
1594
1595                 PMD_DRV_LOG(INFO, "change queue pairs from %u to %u",
1596                             vf->vsi_res->num_queue_pairs, num_queue_pairs);
1597                 ret = i40evf_request_queues(dev, num_queue_pairs);
1598                 if (ret != 0)
1599                         return ret;
1600
1601                 ret = i40evf_dev_reset(dev);
1602                 if (ret != 0)
1603                         return ret;
1604         }
1605
1606         return i40evf_init_vlan(dev);
1607 }
1608
1609 static int
1610 i40evf_init_vlan(struct rte_eth_dev *dev)
1611 {
1612         /* Apply vlan offload setting */
1613         i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
1614
1615         return 0;
1616 }
1617
1618 static int
1619 i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1620 {
1621         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1622         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1623
1624         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
1625                 return -ENOTSUP;
1626
1627         /* Vlan stripping setting */
1628         if (mask & ETH_VLAN_STRIP_MASK) {
1629                 /* Enable or disable VLAN stripping */
1630                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1631                         i40evf_enable_vlan_strip(dev);
1632                 else
1633                         i40evf_disable_vlan_strip(dev);
1634         }
1635
1636         return 0;
1637 }
1638
1639 static int
1640 i40evf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1641 {
1642         struct i40e_rx_queue *rxq;
1643         int err;
1644         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1645
1646         PMD_INIT_FUNC_TRACE();
1647
1648         rxq = dev->data->rx_queues[rx_queue_id];
1649
1650         err = i40e_alloc_rx_queue_mbufs(rxq);
1651         if (err) {
1652                 PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
1653                 return err;
1654         }
1655
1656         rte_wmb();
1657
1658         /* Init the RX tail register. */
1659         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1660         I40EVF_WRITE_FLUSH(hw);
1661
1662         /* Ready to switch the queue on */
1663         err = i40evf_switch_queue(dev, TRUE, rx_queue_id, TRUE);
1664         if (err) {
1665                 PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
1666                             rx_queue_id);
1667                 return err;
1668         }
1669         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1670
1671         return 0;
1672 }
1673
1674 static int
1675 i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1676 {
1677         struct i40e_rx_queue *rxq;
1678         int err;
1679
1680         rxq = dev->data->rx_queues[rx_queue_id];
1681
1682         err = i40evf_switch_queue(dev, TRUE, rx_queue_id, FALSE);
1683         if (err) {
1684                 PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
1685                             rx_queue_id);
1686                 return err;
1687         }
1688
1689         i40e_rx_queue_release_mbufs(rxq);
1690         i40e_reset_rx_queue(rxq);
1691         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1692
1693         return 0;
1694 }
1695
1696 static int
1697 i40evf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1698 {
1699         int err;
1700
1701         PMD_INIT_FUNC_TRACE();
1702
1703         /* Ready to switch the queue on */
1704         err = i40evf_switch_queue(dev, FALSE, tx_queue_id, TRUE);
1705         if (err) {
1706                 PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
1707                             tx_queue_id);
1708                 return err;
1709         }
1710         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1711
1712         return 0;
1713 }
1714
1715 static int
1716 i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1717 {
1718         struct i40e_tx_queue *txq;
1719         int err;
1720
1721         txq = dev->data->tx_queues[tx_queue_id];
1722
1723         err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE);
1724         if (err) {
1725                 PMD_DRV_LOG(ERR, "Failed to switch TX queue %u off",
1726                             tx_queue_id);
1727                 return err;
1728         }
1729
1730         i40e_tx_queue_release_mbufs(txq);
1731         i40e_reset_tx_queue(txq);
1732         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1733
1734         return 0;
1735 }
1736
1737 static int
1738 i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1739 {
1740         int ret;
1741
1742         if (on)
1743                 ret = i40evf_add_vlan(dev, vlan_id);
1744         else
1745                 ret = i40evf_del_vlan(dev,vlan_id);
1746
1747         return ret;
1748 }
1749
1750 static int
1751 i40evf_rxq_init(struct rte_eth_dev *dev, struct i40e_rx_queue *rxq)
1752 {
1753         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1754         struct rte_eth_dev_data *dev_data = dev->data;
1755         struct rte_pktmbuf_pool_private *mbp_priv;
1756         uint16_t buf_size, len;
1757
1758         rxq->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(rxq->queue_id);
1759         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1760         I40EVF_WRITE_FLUSH(hw);
1761
1762         /* Calculate the maximum packet length allowed */
1763         mbp_priv = rte_mempool_get_priv(rxq->mp);
1764         buf_size = (uint16_t)(mbp_priv->mbuf_data_room_size -
1765                                         RTE_PKTMBUF_HEADROOM);
1766         rxq->hs_mode = i40e_header_split_none;
1767         rxq->rx_hdr_len = 0;
1768         rxq->rx_buf_len = RTE_ALIGN(buf_size, (1 << I40E_RXQ_CTX_DBUFF_SHIFT));
1769         len = rxq->rx_buf_len * I40E_MAX_CHAINED_RX_BUFFERS;
1770         rxq->max_pkt_len = RTE_MIN(len,
1771                 dev_data->dev_conf.rxmode.max_rx_pkt_len);
1772
1773         /**
1774          * Check if the jumbo frame and maximum packet length are set correctly
1775          */
1776         if (dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1777                 if (rxq->max_pkt_len <= RTE_ETHER_MAX_LEN ||
1778                     rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
1779                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1780                                 "larger than %u and smaller than %u, as jumbo "
1781                                 "frame is enabled", (uint32_t)RTE_ETHER_MAX_LEN,
1782                                         (uint32_t)I40E_FRAME_SIZE_MAX);
1783                         return I40E_ERR_CONFIG;
1784                 }
1785         } else {
1786                 if (rxq->max_pkt_len < RTE_ETHER_MIN_LEN ||
1787                     rxq->max_pkt_len > RTE_ETHER_MAX_LEN) {
1788                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1789                                 "larger than %u and smaller than %u, as jumbo "
1790                                 "frame is disabled",
1791                                 (uint32_t)RTE_ETHER_MIN_LEN,
1792                                 (uint32_t)RTE_ETHER_MAX_LEN);
1793                         return I40E_ERR_CONFIG;
1794                 }
1795         }
1796
1797         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
1798             rxq->max_pkt_len > buf_size)
1799                 dev_data->scattered_rx = 1;
1800
1801         return 0;
1802 }
1803
1804 static int
1805 i40evf_rx_init(struct rte_eth_dev *dev)
1806 {
1807         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1808         uint16_t i;
1809         int ret = I40E_SUCCESS;
1810         struct i40e_rx_queue **rxq =
1811                 (struct i40e_rx_queue **)dev->data->rx_queues;
1812
1813         i40evf_config_rss(vf);
1814         for (i = 0; i < dev->data->nb_rx_queues; i++) {
1815                 if (!rxq[i] || !rxq[i]->q_set)
1816                         continue;
1817                 ret = i40evf_rxq_init(dev, rxq[i]);
1818                 if (ret != I40E_SUCCESS)
1819                         break;
1820         }
1821         if (ret == I40E_SUCCESS)
1822                 i40e_set_rx_function(dev);
1823
1824         return ret;
1825 }
1826
1827 static void
1828 i40evf_tx_init(struct rte_eth_dev *dev)
1829 {
1830         uint16_t i;
1831         struct i40e_tx_queue **txq =
1832                 (struct i40e_tx_queue **)dev->data->tx_queues;
1833         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1834
1835         for (i = 0; i < dev->data->nb_tx_queues; i++)
1836                 txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i);
1837
1838         i40e_set_tx_function(dev);
1839 }
1840
1841 static inline void
1842 i40evf_enable_queues_intr(struct rte_eth_dev *dev)
1843 {
1844         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1845         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1846         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1847
1848         if (!rte_intr_allow_others(intr_handle)) {
1849                 I40E_WRITE_REG(hw,
1850                                I40E_VFINT_DYN_CTL01,
1851                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1852                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1853                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1854                 I40EVF_WRITE_FLUSH(hw);
1855                 return;
1856         }
1857
1858         I40EVF_WRITE_FLUSH(hw);
1859 }
1860
1861 static inline void
1862 i40evf_disable_queues_intr(struct rte_eth_dev *dev)
1863 {
1864         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1865         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1866         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1867
1868         if (!rte_intr_allow_others(intr_handle)) {
1869                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1870                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1871                 I40EVF_WRITE_FLUSH(hw);
1872                 return;
1873         }
1874
1875         I40EVF_WRITE_FLUSH(hw);
1876 }
1877
1878 static int
1879 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1880 {
1881         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1882         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1883         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1884         uint16_t interval =
1885                 i40e_calc_itr_interval(0, 0);
1886         uint16_t msix_intr;
1887
1888         msix_intr = intr_handle->intr_vec[queue_id];
1889         if (msix_intr == I40E_MISC_VEC_ID)
1890                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1891                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1892                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1893                                (0 << I40E_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
1894                                (interval <<
1895                                 I40E_VFINT_DYN_CTL01_INTERVAL_SHIFT));
1896         else
1897                 I40E_WRITE_REG(hw,
1898                                I40E_VFINT_DYN_CTLN1(msix_intr -
1899                                                     I40E_RX_VEC_START),
1900                                I40E_VFINT_DYN_CTLN1_INTENA_MASK |
1901                                I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
1902                                (0 << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
1903                                (interval <<
1904                                 I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
1905
1906         I40EVF_WRITE_FLUSH(hw);
1907
1908         return 0;
1909 }
1910
1911 static int
1912 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1913 {
1914         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1915         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1916         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1917         uint16_t msix_intr;
1918
1919         msix_intr = intr_handle->intr_vec[queue_id];
1920         if (msix_intr == I40E_MISC_VEC_ID)
1921                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
1922         else
1923                 I40E_WRITE_REG(hw,
1924                                I40E_VFINT_DYN_CTLN1(msix_intr -
1925                                                     I40E_RX_VEC_START),
1926                                0);
1927
1928         I40EVF_WRITE_FLUSH(hw);
1929
1930         return 0;
1931 }
1932
1933 static void
1934 i40evf_add_del_all_mac_addr(struct rte_eth_dev *dev, bool add)
1935 {
1936         struct virtchnl_ether_addr_list *list;
1937         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1938         int err, i, j;
1939         int next_begin = 0;
1940         int begin = 0;
1941         uint32_t len;
1942         struct rte_ether_addr *addr;
1943         struct vf_cmd_info args;
1944
1945         do {
1946                 j = 0;
1947                 len = sizeof(struct virtchnl_ether_addr_list);
1948                 for (i = begin; i < I40E_NUM_MACADDR_MAX; i++, next_begin++) {
1949                         if (rte_is_zero_ether_addr(&dev->data->mac_addrs[i]))
1950                                 continue;
1951                         len += sizeof(struct virtchnl_ether_addr);
1952                         if (len >= I40E_AQ_BUF_SZ) {
1953                                 next_begin = i + 1;
1954                                 break;
1955                         }
1956                 }
1957
1958                 list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
1959                 if (!list) {
1960                         PMD_DRV_LOG(ERR, "fail to allocate memory");
1961                         return;
1962                 }
1963
1964                 for (i = begin; i < next_begin; i++) {
1965                         addr = &dev->data->mac_addrs[i];
1966                         if (rte_is_zero_ether_addr(addr))
1967                                 continue;
1968                         rte_memcpy(list->list[j].addr, addr->addr_bytes,
1969                                          sizeof(addr->addr_bytes));
1970                         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1971                                     addr->addr_bytes[0], addr->addr_bytes[1],
1972                                     addr->addr_bytes[2], addr->addr_bytes[3],
1973                                     addr->addr_bytes[4], addr->addr_bytes[5]);
1974                         j++;
1975                 }
1976                 list->vsi_id = vf->vsi_res->vsi_id;
1977                 list->num_elements = j;
1978                 args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1979                            VIRTCHNL_OP_DEL_ETH_ADDR;
1980                 args.in_args = (uint8_t *)list;
1981                 args.in_args_size = len;
1982                 args.out_buffer = vf->aq_resp;
1983                 args.out_size = I40E_AQ_BUF_SZ;
1984                 err = i40evf_execute_vf_cmd(dev, &args);
1985                 if (err) {
1986                         PMD_DRV_LOG(ERR, "fail to execute command %s",
1987                                     add ? "OP_ADD_ETHER_ADDRESS" :
1988                                     "OP_DEL_ETHER_ADDRESS");
1989                 } else {
1990                         if (add)
1991                                 vf->vsi.mac_num++;
1992                         else
1993                                 vf->vsi.mac_num--;
1994                 }
1995                 rte_free(list);
1996                 begin = next_begin;
1997         } while (begin < I40E_NUM_MACADDR_MAX);
1998 }
1999
2000 static int
2001 i40evf_dev_start(struct rte_eth_dev *dev)
2002 {
2003         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2004         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2005         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2006         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2007         uint32_t intr_vector = 0;
2008
2009         PMD_INIT_FUNC_TRACE();
2010
2011         hw->adapter_stopped = 0;
2012
2013         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
2014         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
2015                                         dev->data->nb_tx_queues);
2016
2017         /* check and configure queue intr-vector mapping */
2018         if (rte_intr_cap_multiple(intr_handle) &&
2019             dev->data->dev_conf.intr_conf.rxq) {
2020                 intr_vector = dev->data->nb_rx_queues;
2021                 if (rte_intr_efd_enable(intr_handle, intr_vector))
2022                         return -1;
2023         }
2024
2025         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
2026                 intr_handle->intr_vec =
2027                         rte_zmalloc("intr_vec",
2028                                     dev->data->nb_rx_queues * sizeof(int), 0);
2029                 if (!intr_handle->intr_vec) {
2030                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
2031                                      " intr_vec", dev->data->nb_rx_queues);
2032                         return -ENOMEM;
2033                 }
2034         }
2035
2036         if (i40evf_rx_init(dev) != 0){
2037                 PMD_DRV_LOG(ERR, "failed to do RX init");
2038                 return -1;
2039         }
2040
2041         i40evf_tx_init(dev);
2042
2043         if (i40evf_configure_vsi_queues(dev) != 0) {
2044                 PMD_DRV_LOG(ERR, "configure queues failed");
2045                 goto err_queue;
2046         }
2047         if (i40evf_config_irq_map(dev)) {
2048                 PMD_DRV_LOG(ERR, "config_irq_map failed");
2049                 goto err_queue;
2050         }
2051
2052         /* Set all mac addrs */
2053         i40evf_add_del_all_mac_addr(dev, TRUE);
2054         /* Set all multicast addresses */
2055         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2056                                 TRUE);
2057
2058         if (i40evf_start_queues(dev) != 0) {
2059                 PMD_DRV_LOG(ERR, "enable queues failed");
2060                 goto err_mac;
2061         }
2062
2063         /* only enable interrupt in rx interrupt mode */
2064         if (dev->data->dev_conf.intr_conf.rxq != 0)
2065                 rte_intr_enable(intr_handle);
2066
2067         i40evf_enable_queues_intr(dev);
2068
2069         return 0;
2070
2071 err_mac:
2072         i40evf_add_del_all_mac_addr(dev, FALSE);
2073         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2074                                 FALSE);
2075 err_queue:
2076         return -1;
2077 }
2078
2079 static void
2080 i40evf_dev_stop(struct rte_eth_dev *dev)
2081 {
2082         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2083         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2084         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2085         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2086
2087         PMD_INIT_FUNC_TRACE();
2088
2089         if (dev->data->dev_conf.intr_conf.rxq != 0)
2090                 rte_intr_disable(intr_handle);
2091
2092         if (hw->adapter_stopped == 1)
2093                 return;
2094         i40evf_stop_queues(dev);
2095         i40evf_disable_queues_intr(dev);
2096         i40e_dev_clear_queues(dev);
2097
2098         /* Clean datapath event and queue/vec mapping */
2099         rte_intr_efd_disable(intr_handle);
2100         if (intr_handle->intr_vec) {
2101                 rte_free(intr_handle->intr_vec);
2102                 intr_handle->intr_vec = NULL;
2103         }
2104         /* remove all mac addrs */
2105         i40evf_add_del_all_mac_addr(dev, FALSE);
2106         /* remove all multicast addresses */
2107         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2108                                 FALSE);
2109         hw->adapter_stopped = 1;
2110
2111 }
2112
2113 static int
2114 i40evf_dev_link_update(struct rte_eth_dev *dev,
2115                        __rte_unused int wait_to_complete)
2116 {
2117         struct rte_eth_link new_link;
2118         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2119         /*
2120          * DPDK pf host provide interfacet to acquire link status
2121          * while Linux driver does not
2122          */
2123
2124         memset(&new_link, 0, sizeof(new_link));
2125         /* Linux driver PF host */
2126         switch (vf->link_speed) {
2127         case I40E_LINK_SPEED_100MB:
2128                 new_link.link_speed = ETH_SPEED_NUM_100M;
2129                 break;
2130         case I40E_LINK_SPEED_1GB:
2131                 new_link.link_speed = ETH_SPEED_NUM_1G;
2132                 break;
2133         case I40E_LINK_SPEED_10GB:
2134                 new_link.link_speed = ETH_SPEED_NUM_10G;
2135                 break;
2136         case I40E_LINK_SPEED_20GB:
2137                 new_link.link_speed = ETH_SPEED_NUM_20G;
2138                 break;
2139         case I40E_LINK_SPEED_25GB:
2140                 new_link.link_speed = ETH_SPEED_NUM_25G;
2141                 break;
2142         case I40E_LINK_SPEED_40GB:
2143                 new_link.link_speed = ETH_SPEED_NUM_40G;
2144                 break;
2145         default:
2146                 new_link.link_speed = ETH_SPEED_NUM_100M;
2147                 break;
2148         }
2149         /* full duplex only */
2150         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
2151         new_link.link_status = vf->link_up ? ETH_LINK_UP :
2152                                              ETH_LINK_DOWN;
2153         new_link.link_autoneg =
2154                 !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2155
2156         return rte_eth_linkstatus_set(dev, &new_link);
2157 }
2158
2159 static int
2160 i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
2161 {
2162         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2163         int ret;
2164
2165         /* If enabled, just return */
2166         if (vf->promisc_unicast_enabled)
2167                 return 0;
2168
2169         ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
2170         if (ret == 0)
2171                 vf->promisc_unicast_enabled = TRUE;
2172         else
2173                 ret = -EAGAIN;
2174
2175         return ret;
2176 }
2177
2178 static int
2179 i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
2180 {
2181         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2182         int ret;
2183
2184         /* If disabled, just return */
2185         if (!vf->promisc_unicast_enabled)
2186                 return 0;
2187
2188         ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
2189         if (ret == 0)
2190                 vf->promisc_unicast_enabled = FALSE;
2191         else
2192                 ret = -EAGAIN;
2193
2194         return ret;
2195 }
2196
2197 static void
2198 i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
2199 {
2200         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2201         int ret;
2202
2203         /* If enabled, just return */
2204         if (vf->promisc_multicast_enabled)
2205                 return;
2206
2207         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
2208         if (ret == 0)
2209                 vf->promisc_multicast_enabled = TRUE;
2210 }
2211
2212 static void
2213 i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
2214 {
2215         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2216         int ret;
2217
2218         /* If enabled, just return */
2219         if (!vf->promisc_multicast_enabled)
2220                 return;
2221
2222         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
2223         if (ret == 0)
2224                 vf->promisc_multicast_enabled = FALSE;
2225 }
2226
2227 static int
2228 i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2229 {
2230         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2231
2232         dev_info->max_rx_queues = I40E_MAX_QP_NUM_PER_VF;
2233         dev_info->max_tx_queues = I40E_MAX_QP_NUM_PER_VF;
2234         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
2235         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
2236         dev_info->max_mtu = dev_info->max_rx_pktlen - I40E_ETH_OVERHEAD;
2237         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2238         dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2239         dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
2240         dev_info->flow_type_rss_offloads = vf->adapter->flow_types_mask;
2241         dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
2242         dev_info->rx_queue_offload_capa = 0;
2243         dev_info->rx_offload_capa =
2244                 DEV_RX_OFFLOAD_VLAN_STRIP |
2245                 DEV_RX_OFFLOAD_QINQ_STRIP |
2246                 DEV_RX_OFFLOAD_IPV4_CKSUM |
2247                 DEV_RX_OFFLOAD_UDP_CKSUM |
2248                 DEV_RX_OFFLOAD_TCP_CKSUM |
2249                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2250                 DEV_RX_OFFLOAD_SCATTER |
2251                 DEV_RX_OFFLOAD_JUMBO_FRAME |
2252                 DEV_RX_OFFLOAD_VLAN_FILTER;
2253
2254         dev_info->tx_queue_offload_capa = 0;
2255         dev_info->tx_offload_capa =
2256                 DEV_TX_OFFLOAD_VLAN_INSERT |
2257                 DEV_TX_OFFLOAD_QINQ_INSERT |
2258                 DEV_TX_OFFLOAD_IPV4_CKSUM |
2259                 DEV_TX_OFFLOAD_UDP_CKSUM |
2260                 DEV_TX_OFFLOAD_TCP_CKSUM |
2261                 DEV_TX_OFFLOAD_SCTP_CKSUM |
2262                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2263                 DEV_TX_OFFLOAD_TCP_TSO |
2264                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2265                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
2266                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
2267                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2268                 DEV_TX_OFFLOAD_MULTI_SEGS;
2269
2270         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2271                 .rx_thresh = {
2272                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
2273                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
2274                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
2275                 },
2276                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
2277                 .rx_drop_en = 0,
2278                 .offloads = 0,
2279         };
2280
2281         dev_info->default_txconf = (struct rte_eth_txconf) {
2282                 .tx_thresh = {
2283                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
2284                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
2285                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
2286                 },
2287                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
2288                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
2289                 .offloads = 0,
2290         };
2291
2292         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
2293                 .nb_max = I40E_MAX_RING_DESC,
2294                 .nb_min = I40E_MIN_RING_DESC,
2295                 .nb_align = I40E_ALIGN_RING_DESC,
2296         };
2297
2298         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
2299                 .nb_max = I40E_MAX_RING_DESC,
2300                 .nb_min = I40E_MIN_RING_DESC,
2301                 .nb_align = I40E_ALIGN_RING_DESC,
2302         };
2303
2304         return 0;
2305 }
2306
2307 static int
2308 i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
2309 {
2310         int ret;
2311         struct i40e_eth_stats *pstats = NULL;
2312         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2313         struct i40e_vsi *vsi = &vf->vsi;
2314
2315         ret = i40evf_query_stats(dev, &pstats);
2316         if (ret == 0) {
2317                 i40evf_update_stats(vsi, pstats);
2318
2319                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
2320                                                 pstats->rx_broadcast;
2321                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
2322                                                 pstats->tx_unicast;
2323                 stats->imissed = pstats->rx_discards;
2324                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
2325                 stats->ibytes = pstats->rx_bytes;
2326                 stats->obytes = pstats->tx_bytes;
2327         } else {
2328                 PMD_DRV_LOG(ERR, "Get statistics failed");
2329         }
2330         return ret;
2331 }
2332
2333 static void
2334 i40evf_dev_close(struct rte_eth_dev *dev)
2335 {
2336         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2337
2338         i40evf_dev_stop(dev);
2339         i40e_dev_free_queues(dev);
2340         /*
2341          * disable promiscuous mode before reset vf
2342          * it is a workaround solution when work with kernel driver
2343          * and it is not the normal way
2344          */
2345         i40evf_dev_promiscuous_disable(dev);
2346         i40evf_dev_allmulticast_disable(dev);
2347         rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
2348
2349         i40evf_reset_vf(dev);
2350         i40e_shutdown_adminq(hw);
2351         i40evf_disable_irq0(hw);
2352         hw->adapter_closed = 1;
2353 }
2354
2355 /*
2356  * Reset VF device only to re-initialize resources in PMD layer
2357  */
2358 static int
2359 i40evf_dev_reset(struct rte_eth_dev *dev)
2360 {
2361         int ret;
2362
2363         ret = i40evf_dev_uninit(dev);
2364         if (ret)
2365                 return ret;
2366
2367         ret = i40evf_dev_init(dev);
2368
2369         return ret;
2370 }
2371
2372 static int
2373 i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2374 {
2375         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2376         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2377         int ret;
2378
2379         if (!lut)
2380                 return -EINVAL;
2381
2382         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2383                 ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
2384                                           lut, lut_size);
2385                 if (ret) {
2386                         PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
2387                         return ret;
2388                 }
2389         } else {
2390                 uint32_t *lut_dw = (uint32_t *)lut;
2391                 uint16_t i, lut_size_dw = lut_size / 4;
2392
2393                 for (i = 0; i < lut_size_dw; i++)
2394                         lut_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HLUT(i));
2395         }
2396
2397         return 0;
2398 }
2399
2400 static int
2401 i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2402 {
2403         struct i40e_vf *vf;
2404         struct i40e_hw *hw;
2405         int ret;
2406
2407         if (!vsi || !lut)
2408                 return -EINVAL;
2409
2410         vf = I40E_VSI_TO_VF(vsi);
2411         hw = I40E_VSI_TO_HW(vsi);
2412
2413         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2414                 ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
2415                                           lut, lut_size);
2416                 if (ret) {
2417                         PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");
2418                         return ret;
2419                 }
2420         } else {
2421                 uint32_t *lut_dw = (uint32_t *)lut;
2422                 uint16_t i, lut_size_dw = lut_size / 4;
2423
2424                 for (i = 0; i < lut_size_dw; i++)
2425                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i), lut_dw[i]);
2426                 I40EVF_WRITE_FLUSH(hw);
2427         }
2428
2429         return 0;
2430 }
2431
2432 static int
2433 i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
2434                            struct rte_eth_rss_reta_entry64 *reta_conf,
2435                            uint16_t reta_size)
2436 {
2437         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2438         uint8_t *lut;
2439         uint16_t i, idx, shift;
2440         int ret;
2441
2442         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2443                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2444                         "(%d) doesn't match the number of hardware can "
2445                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2446                 return -EINVAL;
2447         }
2448
2449         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2450         if (!lut) {
2451                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2452                 return -ENOMEM;
2453         }
2454         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2455         if (ret)
2456                 goto out;
2457         for (i = 0; i < reta_size; i++) {
2458                 idx = i / RTE_RETA_GROUP_SIZE;
2459                 shift = i % RTE_RETA_GROUP_SIZE;
2460                 if (reta_conf[idx].mask & (1ULL << shift))
2461                         lut[i] = reta_conf[idx].reta[shift];
2462         }
2463         ret = i40evf_set_rss_lut(&vf->vsi, lut, reta_size);
2464
2465 out:
2466         rte_free(lut);
2467
2468         return ret;
2469 }
2470
2471 static int
2472 i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
2473                           struct rte_eth_rss_reta_entry64 *reta_conf,
2474                           uint16_t reta_size)
2475 {
2476         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2477         uint16_t i, idx, shift;
2478         uint8_t *lut;
2479         int ret;
2480
2481         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2482                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2483                         "(%d) doesn't match the number of hardware can "
2484                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2485                 return -EINVAL;
2486         }
2487
2488         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2489         if (!lut) {
2490                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2491                 return -ENOMEM;
2492         }
2493
2494         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2495         if (ret)
2496                 goto out;
2497         for (i = 0; i < reta_size; i++) {
2498                 idx = i / RTE_RETA_GROUP_SIZE;
2499                 shift = i % RTE_RETA_GROUP_SIZE;
2500                 if (reta_conf[idx].mask & (1ULL << shift))
2501                         reta_conf[idx].reta[shift] = lut[i];
2502         }
2503
2504 out:
2505         rte_free(lut);
2506
2507         return ret;
2508 }
2509
2510 static int
2511 i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len)
2512 {
2513         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2514         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2515         int ret = 0;
2516
2517         if (!key || key_len == 0) {
2518                 PMD_DRV_LOG(DEBUG, "No key to be configured");
2519                 return 0;
2520         } else if (key_len != (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2521                 sizeof(uint32_t)) {
2522                 PMD_DRV_LOG(ERR, "Invalid key length %u", key_len);
2523                 return -EINVAL;
2524         }
2525
2526         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2527                 struct i40e_aqc_get_set_rss_key_data *key_dw =
2528                         (struct i40e_aqc_get_set_rss_key_data *)key;
2529
2530                 ret = i40e_aq_set_rss_key(hw, vsi->vsi_id, key_dw);
2531                 if (ret)
2532                         PMD_INIT_LOG(ERR, "Failed to configure RSS key "
2533                                      "via AQ");
2534         } else {
2535                 uint32_t *hash_key = (uint32_t *)key;
2536                 uint16_t i;
2537
2538                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2539                         i40e_write_rx_ctl(hw, I40E_VFQF_HKEY(i), hash_key[i]);
2540                 I40EVF_WRITE_FLUSH(hw);
2541         }
2542
2543         return ret;
2544 }
2545
2546 static int
2547 i40evf_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t *key_len)
2548 {
2549         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2550         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2551         int ret;
2552
2553         if (!key || !key_len)
2554                 return -EINVAL;
2555
2556         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2557                 ret = i40e_aq_get_rss_key(hw, vsi->vsi_id,
2558                         (struct i40e_aqc_get_set_rss_key_data *)key);
2559                 if (ret) {
2560                         PMD_INIT_LOG(ERR, "Failed to get RSS key via AQ");
2561                         return ret;
2562                 }
2563         } else {
2564                 uint32_t *key_dw = (uint32_t *)key;
2565                 uint16_t i;
2566
2567                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2568                         key_dw[i] = i40e_read_rx_ctl(hw, I40E_VFQF_HKEY(i));
2569         }
2570         *key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2571
2572         return 0;
2573 }
2574
2575 static int
2576 i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct rte_eth_rss_conf *rss_conf)
2577 {
2578         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2579         uint64_t hena;
2580         int ret;
2581
2582         ret = i40evf_set_rss_key(&vf->vsi, rss_conf->rss_key,
2583                                  rss_conf->rss_key_len);
2584         if (ret)
2585                 return ret;
2586
2587         hena = i40e_config_hena(vf->adapter, rss_conf->rss_hf);
2588         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
2589         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
2590         I40EVF_WRITE_FLUSH(hw);
2591
2592         return 0;
2593 }
2594
2595 static void
2596 i40evf_disable_rss(struct i40e_vf *vf)
2597 {
2598         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2599
2600         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), 0);
2601         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), 0);
2602         I40EVF_WRITE_FLUSH(hw);
2603 }
2604
2605 static int
2606 i40evf_config_rss(struct i40e_vf *vf)
2607 {
2608         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2609         struct rte_eth_rss_conf rss_conf;
2610         uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
2611         uint32_t rss_lut_size = (I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4;
2612         uint16_t num;
2613         uint8_t *lut_info;
2614         int ret;
2615
2616         if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
2617                 i40evf_disable_rss(vf);
2618                 PMD_DRV_LOG(DEBUG, "RSS not configured");
2619                 return 0;
2620         }
2621
2622         num = RTE_MIN(vf->dev_data->nb_rx_queues, I40E_MAX_QP_NUM_PER_VF);
2623         /* Fill out the look up table */
2624         if (!(vf->flags & I40E_FLAG_RSS_AQ_CAPABLE)) {
2625                 for (i = 0, j = 0; i < nb_q; i++, j++) {
2626                         if (j >= num)
2627                                 j = 0;
2628                         lut = (lut << 8) | j;
2629                         if ((i & 3) == 3)
2630                                 I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
2631                 }
2632         } else {
2633                 lut_info = rte_zmalloc("i40e_rss_lut", rss_lut_size, 0);
2634                 if (!lut_info) {
2635                         PMD_DRV_LOG(ERR, "No memory can be allocated");
2636                         return -ENOMEM;
2637                 }
2638
2639                 for (i = 0; i < rss_lut_size; i++)
2640                         lut_info[i] = i % vf->num_queue_pairs;
2641
2642                 ret = i40evf_set_rss_lut(&vf->vsi, lut_info,
2643                                          rss_lut_size);
2644                 rte_free(lut_info);
2645                 if (ret)
2646                         return ret;
2647         }
2648
2649         rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
2650         if ((rss_conf.rss_hf & vf->adapter->flow_types_mask) == 0) {
2651                 i40evf_disable_rss(vf);
2652                 PMD_DRV_LOG(DEBUG, "No hash flag is set");
2653                 return 0;
2654         }
2655
2656         if (rss_conf.rss_key == NULL || rss_conf.rss_key_len <
2657                 (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
2658                 /* Calculate the default hash key */
2659                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2660                         rss_key_default[i] = (uint32_t)rte_rand();
2661                 rss_conf.rss_key = (uint8_t *)rss_key_default;
2662                 rss_conf.rss_key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2663                         sizeof(uint32_t);
2664         }
2665
2666         return i40evf_hw_rss_hash_set(vf, &rss_conf);
2667 }
2668
2669 static int
2670 i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
2671                            struct rte_eth_rss_conf *rss_conf)
2672 {
2673         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2674         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2675         uint64_t rss_hf = rss_conf->rss_hf & vf->adapter->flow_types_mask;
2676         uint64_t hena;
2677
2678         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2679         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2680
2681         if (!(hena & vf->adapter->pctypes_mask)) { /* RSS disabled */
2682                 if (rss_hf != 0) /* Enable RSS */
2683                         return -EINVAL;
2684                 return 0;
2685         }
2686
2687         /* RSS enabled */
2688         if (rss_hf == 0) /* Disable RSS */
2689                 return -EINVAL;
2690
2691         return i40evf_hw_rss_hash_set(vf, rss_conf);
2692 }
2693
2694 static int
2695 i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
2696                              struct rte_eth_rss_conf *rss_conf)
2697 {
2698         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2699         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2700         uint64_t hena;
2701
2702         i40evf_get_rss_key(&vf->vsi, rss_conf->rss_key,
2703                            &rss_conf->rss_key_len);
2704
2705         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2706         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2707         rss_conf->rss_hf = i40e_parse_hena(vf->adapter, hena);
2708
2709         return 0;
2710 }
2711
2712 static int
2713 i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2714 {
2715         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2716         struct rte_eth_dev_data *dev_data = vf->dev_data;
2717         uint32_t frame_size = mtu + I40E_ETH_OVERHEAD;
2718         int ret = 0;
2719
2720         /* check if mtu is within the allowed range */
2721         if (mtu < RTE_ETHER_MIN_MTU || frame_size > I40E_FRAME_SIZE_MAX)
2722                 return -EINVAL;
2723
2724         /* mtu setting is forbidden if port is start */
2725         if (dev_data->dev_started) {
2726                 PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
2727                             dev_data->port_id);
2728                 return -EBUSY;
2729         }
2730
2731         if (frame_size > RTE_ETHER_MAX_LEN)
2732                 dev_data->dev_conf.rxmode.offloads |=
2733                         DEV_RX_OFFLOAD_JUMBO_FRAME;
2734         else
2735                 dev_data->dev_conf.rxmode.offloads &=
2736                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2737         dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2738
2739         return ret;
2740 }
2741
2742 static int
2743 i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
2744                             struct rte_ether_addr *mac_addr)
2745 {
2746         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2747         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2748
2749         if (!rte_is_valid_assigned_ether_addr(mac_addr)) {
2750                 PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
2751                 return -EINVAL;
2752         }
2753
2754         if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
2755                 return -EPERM;
2756
2757         i40evf_del_mac_addr_by_addr(dev, (struct rte_ether_addr *)hw->mac.addr);
2758
2759         if (i40evf_add_mac_addr(dev, mac_addr, 0, 0) != 0)
2760                 return -EIO;
2761
2762         rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr);
2763         return 0;
2764 }
2765
2766 static int
2767 i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
2768                         struct rte_ether_addr *mc_addrs,
2769                         uint32_t mc_addrs_num, bool add)
2770 {
2771         struct virtchnl_ether_addr_list *list;
2772         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2773         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) +
2774                 (I40E_NUM_MACADDR_MAX * sizeof(struct virtchnl_ether_addr))];
2775         uint32_t i;
2776         int err;
2777         struct vf_cmd_info args;
2778
2779         if (mc_addrs == NULL || mc_addrs_num == 0)
2780                 return 0;
2781
2782         if (mc_addrs_num > I40E_NUM_MACADDR_MAX)
2783                 return -EINVAL;
2784
2785         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
2786         list->vsi_id = vf->vsi_res->vsi_id;
2787         list->num_elements = mc_addrs_num;
2788
2789         for (i = 0; i < mc_addrs_num; i++) {
2790                 if (!I40E_IS_MULTICAST(mc_addrs[i].addr_bytes)) {
2791                         PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
2792                                     mc_addrs[i].addr_bytes[0],
2793                                     mc_addrs[i].addr_bytes[1],
2794                                     mc_addrs[i].addr_bytes[2],
2795                                     mc_addrs[i].addr_bytes[3],
2796                                     mc_addrs[i].addr_bytes[4],
2797                                     mc_addrs[i].addr_bytes[5]);
2798                         return -EINVAL;
2799                 }
2800
2801                 memcpy(list->list[i].addr, mc_addrs[i].addr_bytes,
2802                         sizeof(list->list[i].addr));
2803         }
2804
2805         args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR : VIRTCHNL_OP_DEL_ETH_ADDR;
2806         args.in_args = cmd_buffer;
2807         args.in_args_size = sizeof(struct virtchnl_ether_addr_list) +
2808                 i * sizeof(struct virtchnl_ether_addr);
2809         args.out_buffer = vf->aq_resp;
2810         args.out_size = I40E_AQ_BUF_SZ;
2811         err = i40evf_execute_vf_cmd(dev, &args);
2812         if (err) {
2813                 PMD_DRV_LOG(ERR, "fail to execute command %s",
2814                         add ? "OP_ADD_ETH_ADDR" : "OP_DEL_ETH_ADDR");
2815                 return err;
2816         }
2817
2818         return 0;
2819 }
2820
2821 static int
2822 i40evf_set_mc_addr_list(struct rte_eth_dev *dev,
2823                         struct rte_ether_addr *mc_addrs,
2824                         uint32_t mc_addrs_num)
2825 {
2826         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2827         int err;
2828
2829         /* flush previous addresses */
2830         err = i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2831                                 FALSE);
2832         if (err)
2833                 return err;
2834
2835         vf->mc_addrs_num = 0;
2836
2837         /* add new ones */
2838         err = i40evf_add_del_mc_addr_list(dev, mc_addrs, mc_addrs_num,
2839                                         TRUE);
2840         if (err)
2841                 return err;
2842
2843         vf->mc_addrs_num = mc_addrs_num;
2844         memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
2845
2846         return 0;
2847 }
2848
2849 bool
2850 is_i40evf_supported(struct rte_eth_dev *dev)
2851 {
2852         return is_device_supported(dev, &rte_i40evf_pmd);
2853 }