New upstream version 18.08
[deb_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 void 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 void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
96 static void 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 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 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 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, struct ether_addr *mc_addr_set,
141                         uint32_t nb_mc_addr);
142
143 /* Default hash key buffer for RSS */
144 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
145
146 struct rte_i40evf_xstats_name_off {
147         char name[RTE_ETH_XSTATS_NAME_SIZE];
148         unsigned offset;
149 };
150
151 static const struct rte_i40evf_xstats_name_off rte_i40evf_stats_strings[] = {
152         {"rx_bytes", offsetof(struct i40e_eth_stats, rx_bytes)},
153         {"rx_unicast_packets", offsetof(struct i40e_eth_stats, rx_unicast)},
154         {"rx_multicast_packets", offsetof(struct i40e_eth_stats, rx_multicast)},
155         {"rx_broadcast_packets", offsetof(struct i40e_eth_stats, rx_broadcast)},
156         {"rx_dropped_packets", offsetof(struct i40e_eth_stats, rx_discards)},
157         {"rx_unknown_protocol_packets", offsetof(struct i40e_eth_stats,
158                 rx_unknown_protocol)},
159         {"tx_bytes", offsetof(struct i40e_eth_stats, tx_bytes)},
160         {"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_unicast)},
161         {"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_multicast)},
162         {"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_broadcast)},
163         {"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_discards)},
164         {"tx_error_packets", offsetof(struct i40e_eth_stats, tx_errors)},
165 };
166
167 #define I40EVF_NB_XSTATS (sizeof(rte_i40evf_stats_strings) / \
168                 sizeof(rte_i40evf_stats_strings[0]))
169
170 static const struct eth_dev_ops i40evf_eth_dev_ops = {
171         .dev_configure        = i40evf_dev_configure,
172         .dev_start            = i40evf_dev_start,
173         .dev_stop             = i40evf_dev_stop,
174         .promiscuous_enable   = i40evf_dev_promiscuous_enable,
175         .promiscuous_disable  = i40evf_dev_promiscuous_disable,
176         .allmulticast_enable  = i40evf_dev_allmulticast_enable,
177         .allmulticast_disable = i40evf_dev_allmulticast_disable,
178         .link_update          = i40evf_dev_link_update,
179         .stats_get            = i40evf_dev_stats_get,
180         .stats_reset          = i40evf_dev_xstats_reset,
181         .xstats_get           = i40evf_dev_xstats_get,
182         .xstats_get_names     = i40evf_dev_xstats_get_names,
183         .xstats_reset         = i40evf_dev_xstats_reset,
184         .dev_close            = i40evf_dev_close,
185         .dev_reset            = i40evf_dev_reset,
186         .dev_infos_get        = i40evf_dev_info_get,
187         .dev_supported_ptypes_get = i40e_dev_supported_ptypes_get,
188         .vlan_filter_set      = i40evf_vlan_filter_set,
189         .vlan_offload_set     = i40evf_vlan_offload_set,
190         .rx_queue_start       = i40evf_dev_rx_queue_start,
191         .rx_queue_stop        = i40evf_dev_rx_queue_stop,
192         .tx_queue_start       = i40evf_dev_tx_queue_start,
193         .tx_queue_stop        = i40evf_dev_tx_queue_stop,
194         .rx_queue_setup       = i40e_dev_rx_queue_setup,
195         .rx_queue_release     = i40e_dev_rx_queue_release,
196         .rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
197         .rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
198         .rx_descriptor_done   = i40e_dev_rx_descriptor_done,
199         .rx_descriptor_status = i40e_dev_rx_descriptor_status,
200         .tx_descriptor_status = i40e_dev_tx_descriptor_status,
201         .tx_queue_setup       = i40e_dev_tx_queue_setup,
202         .tx_queue_release     = i40e_dev_tx_queue_release,
203         .rx_queue_count       = i40e_dev_rx_queue_count,
204         .rxq_info_get         = i40e_rxq_info_get,
205         .txq_info_get         = i40e_txq_info_get,
206         .mac_addr_add         = i40evf_add_mac_addr,
207         .mac_addr_remove      = i40evf_del_mac_addr,
208         .set_mc_addr_list     = i40evf_set_mc_addr_list,
209         .reta_update          = i40evf_dev_rss_reta_update,
210         .reta_query           = i40evf_dev_rss_reta_query,
211         .rss_hash_update      = i40evf_dev_rss_hash_update,
212         .rss_hash_conf_get    = i40evf_dev_rss_hash_conf_get,
213         .mtu_set              = i40evf_dev_mtu_set,
214         .mac_addr_set         = i40evf_set_default_mac_addr,
215 };
216
217 /*
218  * Read data in admin queue to get msg from pf driver
219  */
220 static enum i40evf_aq_result
221 i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
222 {
223         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
224         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
225         struct i40e_arq_event_info event;
226         enum virtchnl_ops opcode;
227         enum i40e_status_code retval;
228         int ret;
229         enum i40evf_aq_result result = I40EVF_MSG_NON;
230
231         event.buf_len = data->buf_len;
232         event.msg_buf = data->msg;
233         ret = i40e_clean_arq_element(hw, &event, NULL);
234         /* Can't read any msg from adminQ */
235         if (ret) {
236                 if (ret != I40E_ERR_ADMIN_QUEUE_NO_WORK)
237                         result = I40EVF_MSG_ERR;
238                 return result;
239         }
240
241         opcode = (enum virtchnl_ops)rte_le_to_cpu_32(event.desc.cookie_high);
242         retval = (enum i40e_status_code)rte_le_to_cpu_32(event.desc.cookie_low);
243         /* pf sys event */
244         if (opcode == VIRTCHNL_OP_EVENT) {
245                 struct virtchnl_pf_event *vpe =
246                         (struct virtchnl_pf_event *)event.msg_buf;
247
248                 result = I40EVF_MSG_SYS;
249                 switch (vpe->event) {
250                 case VIRTCHNL_EVENT_LINK_CHANGE:
251                         vf->link_up =
252                                 vpe->event_data.link_event.link_status;
253                         vf->link_speed =
254                                 vpe->event_data.link_event.link_speed;
255                         vf->pend_msg |= PFMSG_LINK_CHANGE;
256                         PMD_DRV_LOG(INFO, "Link status update:%s",
257                                     vf->link_up ? "up" : "down");
258                         break;
259                 case VIRTCHNL_EVENT_RESET_IMPENDING:
260                         vf->vf_reset = true;
261                         vf->pend_msg |= PFMSG_RESET_IMPENDING;
262                         PMD_DRV_LOG(INFO, "vf is reseting");
263                         break;
264                 case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
265                         vf->dev_closed = true;
266                         vf->pend_msg |= PFMSG_DRIVER_CLOSE;
267                         PMD_DRV_LOG(INFO, "PF driver closed");
268                         break;
269                 default:
270                         PMD_DRV_LOG(ERR, "%s: Unknown event %d from pf",
271                                     __func__, vpe->event);
272                 }
273         } else {
274                 /* async reply msg on command issued by vf previously */
275                 result = I40EVF_MSG_CMD;
276                 /* Actual data length read from PF */
277                 data->msg_len = event.msg_len;
278         }
279
280         data->result = retval;
281         data->ops = opcode;
282
283         return result;
284 }
285
286 /**
287  * clear current command. Only call in case execute
288  * _atomic_set_cmd successfully.
289  */
290 static inline void
291 _clear_cmd(struct i40e_vf *vf)
292 {
293         rte_wmb();
294         vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
295 }
296
297 /*
298  * Check there is pending cmd in execution. If none, set new command.
299  */
300 static inline int
301 _atomic_set_cmd(struct i40e_vf *vf, enum virtchnl_ops ops)
302 {
303         int ret = rte_atomic32_cmpset(&vf->pend_cmd,
304                         VIRTCHNL_OP_UNKNOWN, ops);
305
306         if (!ret)
307                 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
308
309         return !ret;
310 }
311
312 #define MAX_TRY_TIMES 200
313 #define ASQ_DELAY_MS  10
314
315 static int
316 i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
317 {
318         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
319         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
320         struct i40evf_arq_msg_info info;
321         enum i40evf_aq_result ret;
322         int err, i = 0;
323
324         if (_atomic_set_cmd(vf, args->ops))
325                 return -1;
326
327         info.msg = args->out_buffer;
328         info.buf_len = args->out_size;
329         info.ops = VIRTCHNL_OP_UNKNOWN;
330         info.result = I40E_SUCCESS;
331
332         err = i40e_aq_send_msg_to_pf(hw, args->ops, I40E_SUCCESS,
333                      args->in_args, args->in_args_size, NULL);
334         if (err) {
335                 PMD_DRV_LOG(ERR, "fail to send cmd %d", args->ops);
336                 _clear_cmd(vf);
337                 return err;
338         }
339
340         switch (args->ops) {
341         case VIRTCHNL_OP_RESET_VF:
342                 /*no need to process in this function */
343                 err = 0;
344                 break;
345         case VIRTCHNL_OP_VERSION:
346         case VIRTCHNL_OP_GET_VF_RESOURCES:
347                 /* for init adminq commands, need to poll the response */
348                 err = -1;
349                 do {
350                         ret = i40evf_read_pfmsg(dev, &info);
351                         vf->cmd_retval = info.result;
352                         if (ret == I40EVF_MSG_CMD) {
353                                 err = 0;
354                                 break;
355                         } else if (ret == I40EVF_MSG_ERR)
356                                 break;
357                         rte_delay_ms(ASQ_DELAY_MS);
358                         /* If don't read msg or read sys event, continue */
359                 } while (i++ < MAX_TRY_TIMES);
360                 _clear_cmd(vf);
361                 break;
362
363         default:
364                 /* for other adminq in running time, waiting the cmd done flag */
365                 err = -1;
366                 do {
367                         if (vf->pend_cmd == VIRTCHNL_OP_UNKNOWN) {
368                                 err = 0;
369                                 break;
370                         }
371                         rte_delay_ms(ASQ_DELAY_MS);
372                         /* If don't read msg or read sys event, continue */
373                 } while (i++ < MAX_TRY_TIMES);
374                 /* If there's no response is received, clear command */
375                 if (i >= MAX_TRY_TIMES) {
376                         PMD_DRV_LOG(WARNING, "No response for %d", args->ops);
377                         _clear_cmd(vf);
378                 }
379                 break;
380         }
381
382         return err | vf->cmd_retval;
383 }
384
385 /*
386  * Check API version with sync wait until version read or fail from admin queue
387  */
388 static int
389 i40evf_check_api_version(struct rte_eth_dev *dev)
390 {
391         struct virtchnl_version_info version, *pver;
392         int err;
393         struct vf_cmd_info args;
394         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
395
396         version.major = VIRTCHNL_VERSION_MAJOR;
397         version.minor = VIRTCHNL_VERSION_MINOR;
398
399         args.ops = VIRTCHNL_OP_VERSION;
400         args.in_args = (uint8_t *)&version;
401         args.in_args_size = sizeof(version);
402         args.out_buffer = vf->aq_resp;
403         args.out_size = I40E_AQ_BUF_SZ;
404
405         err = i40evf_execute_vf_cmd(dev, &args);
406         if (err) {
407                 PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION");
408                 return err;
409         }
410
411         pver = (struct virtchnl_version_info *)args.out_buffer;
412         vf->version_major = pver->major;
413         vf->version_minor = pver->minor;
414         if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
415                 (vf->version_minor <= VIRTCHNL_VERSION_MINOR))
416                 PMD_DRV_LOG(INFO, "Peer is Linux PF host");
417         else {
418                 PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
419                                         vf->version_major, vf->version_minor,
420                                                 VIRTCHNL_VERSION_MAJOR,
421                                                 VIRTCHNL_VERSION_MINOR);
422                 return -1;
423         }
424
425         return 0;
426 }
427
428 static int
429 i40evf_get_vf_resource(struct rte_eth_dev *dev)
430 {
431         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
432         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
433         int err;
434         struct vf_cmd_info args;
435         uint32_t caps, len;
436
437         args.ops = VIRTCHNL_OP_GET_VF_RESOURCES;
438         args.out_buffer = vf->aq_resp;
439         args.out_size = I40E_AQ_BUF_SZ;
440         if (PF_IS_V11(vf)) {
441                 caps = VIRTCHNL_VF_OFFLOAD_L2 |
442                        VIRTCHNL_VF_OFFLOAD_RSS_AQ |
443                        VIRTCHNL_VF_OFFLOAD_RSS_REG |
444                        VIRTCHNL_VF_OFFLOAD_VLAN |
445                        VIRTCHNL_VF_OFFLOAD_RX_POLLING;
446                 args.in_args = (uint8_t *)&caps;
447                 args.in_args_size = sizeof(caps);
448         } else {
449                 args.in_args = NULL;
450                 args.in_args_size = 0;
451         }
452         err = i40evf_execute_vf_cmd(dev, &args);
453
454         if (err) {
455                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE");
456                 return err;
457         }
458
459         len =  sizeof(struct virtchnl_vf_resource) +
460                 I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
461
462         rte_memcpy(vf->vf_res, args.out_buffer,
463                         RTE_MIN(args.out_size, len));
464         i40e_vf_parse_hw_config(hw, vf->vf_res);
465
466         return 0;
467 }
468
469 static int
470 i40evf_config_promisc(struct rte_eth_dev *dev,
471                       bool enable_unicast,
472                       bool enable_multicast)
473 {
474         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
475         int err;
476         struct vf_cmd_info args;
477         struct virtchnl_promisc_info promisc;
478
479         promisc.flags = 0;
480         promisc.vsi_id = vf->vsi_res->vsi_id;
481
482         if (enable_unicast)
483                 promisc.flags |= FLAG_VF_UNICAST_PROMISC;
484
485         if (enable_multicast)
486                 promisc.flags |= FLAG_VF_MULTICAST_PROMISC;
487
488         args.ops = VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
489         args.in_args = (uint8_t *)&promisc;
490         args.in_args_size = sizeof(promisc);
491         args.out_buffer = vf->aq_resp;
492         args.out_size = I40E_AQ_BUF_SZ;
493
494         err = i40evf_execute_vf_cmd(dev, &args);
495
496         if (err)
497                 PMD_DRV_LOG(ERR, "fail to execute command "
498                             "CONFIG_PROMISCUOUS_MODE");
499         return err;
500 }
501
502 static int
503 i40evf_enable_vlan_strip(struct rte_eth_dev *dev)
504 {
505         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
506         struct vf_cmd_info args;
507         int ret;
508
509         memset(&args, 0, sizeof(args));
510         args.ops = VIRTCHNL_OP_ENABLE_VLAN_STRIPPING;
511         args.in_args = NULL;
512         args.in_args_size = 0;
513         args.out_buffer = vf->aq_resp;
514         args.out_size = I40E_AQ_BUF_SZ;
515         ret = i40evf_execute_vf_cmd(dev, &args);
516         if (ret)
517                 PMD_DRV_LOG(ERR, "Failed to execute command of "
518                             "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING");
519
520         return ret;
521 }
522
523 static int
524 i40evf_disable_vlan_strip(struct rte_eth_dev *dev)
525 {
526         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
527         struct vf_cmd_info args;
528         int ret;
529
530         memset(&args, 0, sizeof(args));
531         args.ops = VIRTCHNL_OP_DISABLE_VLAN_STRIPPING;
532         args.in_args = NULL;
533         args.in_args_size = 0;
534         args.out_buffer = vf->aq_resp;
535         args.out_size = I40E_AQ_BUF_SZ;
536         ret = i40evf_execute_vf_cmd(dev, &args);
537         if (ret)
538                 PMD_DRV_LOG(ERR, "Failed to execute command of "
539                             "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING");
540
541         return ret;
542 }
543
544 static void
545 i40evf_fill_virtchnl_vsi_txq_info(struct virtchnl_txq_info *txq_info,
546                                   uint16_t vsi_id,
547                                   uint16_t queue_id,
548                                   uint16_t nb_txq,
549                                   struct i40e_tx_queue *txq)
550 {
551         txq_info->vsi_id = vsi_id;
552         txq_info->queue_id = queue_id;
553         if (queue_id < nb_txq) {
554                 txq_info->ring_len = txq->nb_tx_desc;
555                 txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
556         }
557 }
558
559 static void
560 i40evf_fill_virtchnl_vsi_rxq_info(struct virtchnl_rxq_info *rxq_info,
561                                   uint16_t vsi_id,
562                                   uint16_t queue_id,
563                                   uint16_t nb_rxq,
564                                   uint32_t max_pkt_size,
565                                   struct i40e_rx_queue *rxq)
566 {
567         rxq_info->vsi_id = vsi_id;
568         rxq_info->queue_id = queue_id;
569         rxq_info->max_pkt_size = max_pkt_size;
570         if (queue_id < nb_rxq) {
571                 rxq_info->ring_len = rxq->nb_rx_desc;
572                 rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
573                 rxq_info->databuffer_size =
574                         (rte_pktmbuf_data_room_size(rxq->mp) -
575                                 RTE_PKTMBUF_HEADROOM);
576         }
577 }
578
579 static int
580 i40evf_configure_vsi_queues(struct rte_eth_dev *dev)
581 {
582         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
583         struct i40e_rx_queue **rxq =
584                 (struct i40e_rx_queue **)dev->data->rx_queues;
585         struct i40e_tx_queue **txq =
586                 (struct i40e_tx_queue **)dev->data->tx_queues;
587         struct virtchnl_vsi_queue_config_info *vc_vqci;
588         struct virtchnl_queue_pair_info *vc_qpi;
589         struct vf_cmd_info args;
590         uint16_t i, nb_qp = vf->num_queue_pairs;
591         const uint32_t size =
592                 I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
593         uint8_t buff[size];
594         int ret;
595
596         memset(buff, 0, sizeof(buff));
597         vc_vqci = (struct virtchnl_vsi_queue_config_info *)buff;
598         vc_vqci->vsi_id = vf->vsi_res->vsi_id;
599         vc_vqci->num_queue_pairs = nb_qp;
600
601         for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
602                 i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
603                         vc_vqci->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
604                 i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
605                         vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
606                                         vf->max_pkt_len, rxq[i]);
607         }
608         memset(&args, 0, sizeof(args));
609         args.ops = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
610         args.in_args = (uint8_t *)vc_vqci;
611         args.in_args_size = size;
612         args.out_buffer = vf->aq_resp;
613         args.out_size = I40E_AQ_BUF_SZ;
614         ret = i40evf_execute_vf_cmd(dev, &args);
615         if (ret)
616                 PMD_DRV_LOG(ERR, "Failed to execute command of "
617                         "VIRTCHNL_OP_CONFIG_VSI_QUEUES");
618
619         return ret;
620 }
621
622 static int
623 i40evf_config_irq_map(struct rte_eth_dev *dev)
624 {
625         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
626         struct vf_cmd_info args;
627         uint8_t cmd_buffer[sizeof(struct virtchnl_irq_map_info) + \
628                 sizeof(struct virtchnl_vector_map)];
629         struct virtchnl_irq_map_info *map_info;
630         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
631         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
632         uint32_t vector_id;
633         int i, err;
634
635         if (dev->data->dev_conf.intr_conf.rxq != 0 &&
636             rte_intr_allow_others(intr_handle))
637                 vector_id = I40E_RX_VEC_START;
638         else
639                 vector_id = I40E_MISC_VEC_ID;
640
641         map_info = (struct virtchnl_irq_map_info *)cmd_buffer;
642         map_info->num_vectors = 1;
643         map_info->vecmap[0].rxitr_idx = I40E_ITR_INDEX_DEFAULT;
644         map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
645         /* Alway use default dynamic MSIX interrupt */
646         map_info->vecmap[0].vector_id = vector_id;
647         /* Don't map any tx queue */
648         map_info->vecmap[0].txq_map = 0;
649         map_info->vecmap[0].rxq_map = 0;
650         for (i = 0; i < dev->data->nb_rx_queues; i++) {
651                 map_info->vecmap[0].rxq_map |= 1 << i;
652                 if (rte_intr_dp_is_en(intr_handle))
653                         intr_handle->intr_vec[i] = vector_id;
654         }
655
656         args.ops = VIRTCHNL_OP_CONFIG_IRQ_MAP;
657         args.in_args = (u8 *)cmd_buffer;
658         args.in_args_size = sizeof(cmd_buffer);
659         args.out_buffer = vf->aq_resp;
660         args.out_size = I40E_AQ_BUF_SZ;
661         err = i40evf_execute_vf_cmd(dev, &args);
662         if (err)
663                 PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES");
664
665         return err;
666 }
667
668 static int
669 i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid,
670                                 bool on)
671 {
672         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
673         struct virtchnl_queue_select queue_select;
674         int err;
675         struct vf_cmd_info args;
676         memset(&queue_select, 0, sizeof(queue_select));
677         queue_select.vsi_id = vf->vsi_res->vsi_id;
678
679         if (isrx)
680                 queue_select.rx_queues |= 1 << qid;
681         else
682                 queue_select.tx_queues |= 1 << qid;
683
684         if (on)
685                 args.ops = VIRTCHNL_OP_ENABLE_QUEUES;
686         else
687                 args.ops = VIRTCHNL_OP_DISABLE_QUEUES;
688         args.in_args = (u8 *)&queue_select;
689         args.in_args_size = sizeof(queue_select);
690         args.out_buffer = vf->aq_resp;
691         args.out_size = I40E_AQ_BUF_SZ;
692         err = i40evf_execute_vf_cmd(dev, &args);
693         if (err)
694                 PMD_DRV_LOG(ERR, "fail to switch %s %u %s",
695                             isrx ? "RX" : "TX", qid, on ? "on" : "off");
696
697         return err;
698 }
699
700 static int
701 i40evf_start_queues(struct rte_eth_dev *dev)
702 {
703         struct rte_eth_dev_data *dev_data = dev->data;
704         int i;
705         struct i40e_rx_queue *rxq;
706         struct i40e_tx_queue *txq;
707
708         for (i = 0; i < dev->data->nb_rx_queues; i++) {
709                 rxq = dev_data->rx_queues[i];
710                 if (rxq->rx_deferred_start)
711                         continue;
712                 if (i40evf_dev_rx_queue_start(dev, i) != 0) {
713                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
714                         return -1;
715                 }
716         }
717
718         for (i = 0; i < dev->data->nb_tx_queues; i++) {
719                 txq = dev_data->tx_queues[i];
720                 if (txq->tx_deferred_start)
721                         continue;
722                 if (i40evf_dev_tx_queue_start(dev, i) != 0) {
723                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
724                         return -1;
725                 }
726         }
727
728         return 0;
729 }
730
731 static int
732 i40evf_stop_queues(struct rte_eth_dev *dev)
733 {
734         int i;
735
736         /* Stop TX queues first */
737         for (i = 0; i < dev->data->nb_tx_queues; i++) {
738                 if (i40evf_dev_tx_queue_stop(dev, i) != 0) {
739                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
740                         return -1;
741                 }
742         }
743
744         /* Then stop RX queues */
745         for (i = 0; i < dev->data->nb_rx_queues; i++) {
746                 if (i40evf_dev_rx_queue_stop(dev, i) != 0) {
747                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
748                         return -1;
749                 }
750         }
751
752         return 0;
753 }
754
755 static int
756 i40evf_add_mac_addr(struct rte_eth_dev *dev,
757                     struct ether_addr *addr,
758                     __rte_unused uint32_t index,
759                     __rte_unused uint32_t pool)
760 {
761         struct virtchnl_ether_addr_list *list;
762         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
763         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
764                         sizeof(struct virtchnl_ether_addr)];
765         int err;
766         struct vf_cmd_info args;
767
768         if (is_zero_ether_addr(addr)) {
769                 PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
770                             addr->addr_bytes[0], addr->addr_bytes[1],
771                             addr->addr_bytes[2], addr->addr_bytes[3],
772                             addr->addr_bytes[4], addr->addr_bytes[5]);
773                 return I40E_ERR_INVALID_MAC_ADDR;
774         }
775
776         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
777         list->vsi_id = vf->vsi_res->vsi_id;
778         list->num_elements = 1;
779         rte_memcpy(list->list[0].addr, addr->addr_bytes,
780                                         sizeof(addr->addr_bytes));
781
782         args.ops = VIRTCHNL_OP_ADD_ETH_ADDR;
783         args.in_args = cmd_buffer;
784         args.in_args_size = sizeof(cmd_buffer);
785         args.out_buffer = vf->aq_resp;
786         args.out_size = I40E_AQ_BUF_SZ;
787         err = i40evf_execute_vf_cmd(dev, &args);
788         if (err)
789                 PMD_DRV_LOG(ERR, "fail to execute command "
790                             "OP_ADD_ETHER_ADDRESS");
791         else
792                 vf->vsi.mac_num++;
793
794         return err;
795 }
796
797 static void
798 i40evf_del_mac_addr_by_addr(struct rte_eth_dev *dev,
799                             struct ether_addr *addr)
800 {
801         struct virtchnl_ether_addr_list *list;
802         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
803         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
804                         sizeof(struct virtchnl_ether_addr)];
805         int err;
806         struct vf_cmd_info args;
807
808         if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
809                 PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x",
810                             addr->addr_bytes[0], addr->addr_bytes[1],
811                             addr->addr_bytes[2], addr->addr_bytes[3],
812                             addr->addr_bytes[4], addr->addr_bytes[5]);
813                 return;
814         }
815
816         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
817         list->vsi_id = vf->vsi_res->vsi_id;
818         list->num_elements = 1;
819         rte_memcpy(list->list[0].addr, addr->addr_bytes,
820                         sizeof(addr->addr_bytes));
821
822         args.ops = VIRTCHNL_OP_DEL_ETH_ADDR;
823         args.in_args = cmd_buffer;
824         args.in_args_size = sizeof(cmd_buffer);
825         args.out_buffer = vf->aq_resp;
826         args.out_size = I40E_AQ_BUF_SZ;
827         err = i40evf_execute_vf_cmd(dev, &args);
828         if (err)
829                 PMD_DRV_LOG(ERR, "fail to execute command "
830                             "OP_DEL_ETHER_ADDRESS");
831         else
832                 vf->vsi.mac_num--;
833         return;
834 }
835
836 static void
837 i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
838 {
839         struct rte_eth_dev_data *data = dev->data;
840         struct ether_addr *addr;
841
842         addr = &data->mac_addrs[index];
843
844         i40evf_del_mac_addr_by_addr(dev, addr);
845 }
846
847 static int
848 i40evf_query_stats(struct rte_eth_dev *dev, struct i40e_eth_stats **pstats)
849 {
850         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
851         struct virtchnl_queue_select q_stats;
852         int err;
853         struct vf_cmd_info args;
854
855         memset(&q_stats, 0, sizeof(q_stats));
856         q_stats.vsi_id = vf->vsi_res->vsi_id;
857         args.ops = VIRTCHNL_OP_GET_STATS;
858         args.in_args = (u8 *)&q_stats;
859         args.in_args_size = sizeof(q_stats);
860         args.out_buffer = vf->aq_resp;
861         args.out_size = I40E_AQ_BUF_SZ;
862
863         err = i40evf_execute_vf_cmd(dev, &args);
864         if (err) {
865                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
866                 *pstats = NULL;
867                 return err;
868         }
869         *pstats = (struct i40e_eth_stats *)args.out_buffer;
870         return 0;
871 }
872
873 static void
874 i40evf_stat_update_48(uint64_t *offset,
875                    uint64_t *stat)
876 {
877         if (*stat >= *offset)
878                 *stat = *stat - *offset;
879         else
880                 *stat = (uint64_t)((*stat +
881                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
882
883         *stat &= I40E_48_BIT_MASK;
884 }
885
886 static void
887 i40evf_stat_update_32(uint64_t *offset,
888                    uint64_t *stat)
889 {
890         if (*stat >= *offset)
891                 *stat = (uint64_t)(*stat - *offset);
892         else
893                 *stat = (uint64_t)((*stat +
894                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
895 }
896
897 static void
898 i40evf_update_stats(struct i40e_vsi *vsi,
899                                         struct i40e_eth_stats *nes)
900 {
901         struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
902
903         i40evf_stat_update_48(&oes->rx_bytes,
904                             &nes->rx_bytes);
905         i40evf_stat_update_48(&oes->rx_unicast,
906                             &nes->rx_unicast);
907         i40evf_stat_update_48(&oes->rx_multicast,
908                             &nes->rx_multicast);
909         i40evf_stat_update_48(&oes->rx_broadcast,
910                             &nes->rx_broadcast);
911         i40evf_stat_update_32(&oes->rx_discards,
912                                 &nes->rx_discards);
913         i40evf_stat_update_32(&oes->rx_unknown_protocol,
914                             &nes->rx_unknown_protocol);
915         i40evf_stat_update_48(&oes->tx_bytes,
916                             &nes->tx_bytes);
917         i40evf_stat_update_48(&oes->tx_unicast,
918                             &nes->tx_unicast);
919         i40evf_stat_update_48(&oes->tx_multicast,
920                             &nes->tx_multicast);
921         i40evf_stat_update_48(&oes->tx_broadcast,
922                             &nes->tx_broadcast);
923         i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
924         i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
925 }
926
927 static void
928 i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
929 {
930         int ret;
931         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
932         struct i40e_eth_stats *pstats = NULL;
933
934         /* read stat values to clear hardware registers */
935         ret = i40evf_query_stats(dev, &pstats);
936
937         /* set stats offset base on current values */
938         if (ret == 0)
939                 vf->vsi.eth_stats_offset = *pstats;
940 }
941
942 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
943                                       struct rte_eth_xstat_name *xstats_names,
944                                       __rte_unused unsigned limit)
945 {
946         unsigned i;
947
948         if (xstats_names != NULL)
949                 for (i = 0; i < I40EVF_NB_XSTATS; i++) {
950                         snprintf(xstats_names[i].name,
951                                 sizeof(xstats_names[i].name),
952                                 "%s", rte_i40evf_stats_strings[i].name);
953                 }
954         return I40EVF_NB_XSTATS;
955 }
956
957 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
958                                  struct rte_eth_xstat *xstats, unsigned n)
959 {
960         int ret;
961         unsigned i;
962         struct i40e_eth_stats *pstats = NULL;
963         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
964         struct i40e_vsi *vsi = &vf->vsi;
965
966         if (n < I40EVF_NB_XSTATS)
967                 return I40EVF_NB_XSTATS;
968
969         ret = i40evf_query_stats(dev, &pstats);
970         if (ret != 0)
971                 return 0;
972
973         if (!xstats)
974                 return 0;
975
976         i40evf_update_stats(vsi, pstats);
977
978         /* loop over xstats array and values from pstats */
979         for (i = 0; i < I40EVF_NB_XSTATS; i++) {
980                 xstats[i].id = i;
981                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
982                         rte_i40evf_stats_strings[i].offset);
983         }
984
985         return I40EVF_NB_XSTATS;
986 }
987
988 static int
989 i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
990 {
991         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
992         struct virtchnl_vlan_filter_list *vlan_list;
993         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
994                                                         sizeof(uint16_t)];
995         int err;
996         struct vf_cmd_info args;
997
998         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
999         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1000         vlan_list->num_elements = 1;
1001         vlan_list->vlan_id[0] = vlanid;
1002
1003         args.ops = VIRTCHNL_OP_ADD_VLAN;
1004         args.in_args = (u8 *)&cmd_buffer;
1005         args.in_args_size = sizeof(cmd_buffer);
1006         args.out_buffer = vf->aq_resp;
1007         args.out_size = I40E_AQ_BUF_SZ;
1008         err = i40evf_execute_vf_cmd(dev, &args);
1009         if (err)
1010                 PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN");
1011
1012         return err;
1013 }
1014
1015 static int
1016 i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
1017 {
1018         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1019         struct virtchnl_vlan_filter_list *vlan_list;
1020         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
1021                                                         sizeof(uint16_t)];
1022         int err;
1023         struct vf_cmd_info args;
1024
1025         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
1026         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1027         vlan_list->num_elements = 1;
1028         vlan_list->vlan_id[0] = vlanid;
1029
1030         args.ops = VIRTCHNL_OP_DEL_VLAN;
1031         args.in_args = (u8 *)&cmd_buffer;
1032         args.in_args_size = sizeof(cmd_buffer);
1033         args.out_buffer = vf->aq_resp;
1034         args.out_size = I40E_AQ_BUF_SZ;
1035         err = i40evf_execute_vf_cmd(dev, &args);
1036         if (err)
1037                 PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN");
1038
1039         return err;
1040 }
1041
1042 static const struct rte_pci_id pci_id_i40evf_map[] = {
1043         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF) },
1044         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF_HV) },
1045         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_A0_VF) },
1046         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF) },
1047         { .vendor_id = 0, /* sentinel */ },
1048 };
1049
1050 /* Disable IRQ0 */
1051 static inline void
1052 i40evf_disable_irq0(struct i40e_hw *hw)
1053 {
1054         /* Disable all interrupt types */
1055         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, 0);
1056         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1057                        I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1058         I40EVF_WRITE_FLUSH(hw);
1059 }
1060
1061 /* Enable IRQ0 */
1062 static inline void
1063 i40evf_enable_irq0(struct i40e_hw *hw)
1064 {
1065         /* Enable admin queue interrupt trigger */
1066         uint32_t val;
1067
1068         i40evf_disable_irq0(hw);
1069         val = I40E_READ_REG(hw, I40E_VFINT_ICR0_ENA1);
1070         val |= I40E_VFINT_ICR0_ENA1_ADMINQ_MASK |
1071                 I40E_VFINT_ICR0_ENA1_LINK_STAT_CHANGE_MASK;
1072         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, val);
1073
1074         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1075                 I40E_VFINT_DYN_CTL01_INTENA_MASK |
1076                 I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1077                 I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1078
1079         I40EVF_WRITE_FLUSH(hw);
1080 }
1081
1082 static int
1083 i40evf_check_vf_reset_done(struct i40e_hw *hw)
1084 {
1085         int i, reset;
1086
1087         for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
1088                 reset = I40E_READ_REG(hw, I40E_VFGEN_RSTAT) &
1089                         I40E_VFGEN_RSTAT_VFR_STATE_MASK;
1090                 reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
1091                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1092                     reset == VIRTCHNL_VFR_COMPLETED)
1093                         break;
1094                 rte_delay_ms(50);
1095         }
1096
1097         if (i >= MAX_RESET_WAIT_CNT)
1098                 return -1;
1099
1100         return 0;
1101 }
1102 static int
1103 i40evf_reset_vf(struct i40e_hw *hw)
1104 {
1105         int ret;
1106
1107         if (i40e_vf_reset(hw) != I40E_SUCCESS) {
1108                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1109                 return -1;
1110         }
1111         /**
1112           * After issuing vf reset command to pf, pf won't necessarily
1113           * reset vf, it depends on what state it exactly is. If it's not
1114           * initialized yet, it won't have vf reset since it's in a certain
1115           * state. If not, it will try to reset. Even vf is reset, pf will
1116           * set I40E_VFGEN_RSTAT to COMPLETE first, then wait 10ms and set
1117           * it to ACTIVE. In this duration, vf may not catch the moment that
1118           * COMPLETE is set. So, for vf, we'll try to wait a long time.
1119           */
1120         rte_delay_ms(200);
1121
1122         ret = i40evf_check_vf_reset_done(hw);
1123         if (ret) {
1124                 PMD_INIT_LOG(ERR, "VF is still resetting");
1125                 return ret;
1126         }
1127
1128         return 0;
1129 }
1130
1131 static int
1132 i40evf_init_vf(struct rte_eth_dev *dev)
1133 {
1134         int i, err, bufsz;
1135         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1136         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1137         uint16_t interval =
1138                 i40e_calc_itr_interval(0, 0);
1139
1140         vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1141         vf->dev_data = dev->data;
1142         err = i40e_set_mac_type(hw);
1143         if (err) {
1144                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1145                 goto err;
1146         }
1147
1148         err = i40evf_check_vf_reset_done(hw);
1149         if (err)
1150                 goto err;
1151
1152         i40e_init_adminq_parameter(hw);
1153         err = i40e_init_adminq(hw);
1154         if (err) {
1155                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1156                 goto err;
1157         }
1158
1159         /* Reset VF and wait until it's complete */
1160         if (i40evf_reset_vf(hw)) {
1161                 PMD_INIT_LOG(ERR, "reset NIC failed");
1162                 goto err_aq;
1163         }
1164
1165         /* VF reset, shutdown admin queue and initialize again */
1166         if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
1167                 PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed");
1168                 goto err;
1169         }
1170
1171         i40e_init_adminq_parameter(hw);
1172         if (i40e_init_adminq(hw) != I40E_SUCCESS) {
1173                 PMD_INIT_LOG(ERR, "init_adminq failed");
1174                 goto err;
1175         }
1176
1177         vf->aq_resp = rte_zmalloc("vf_aq_resp", I40E_AQ_BUF_SZ, 0);
1178         if (!vf->aq_resp) {
1179                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1180                 goto err_aq;
1181         }
1182         if (i40evf_check_api_version(dev) != 0) {
1183                 PMD_INIT_LOG(ERR, "check_api version failed");
1184                 goto err_api;
1185         }
1186         bufsz = sizeof(struct virtchnl_vf_resource) +
1187                 (I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1188         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1189         if (!vf->vf_res) {
1190                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1191                 goto err_api;
1192         }
1193
1194         if (i40evf_get_vf_resource(dev) != 0) {
1195                 PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed");
1196                 goto err_alloc;
1197         }
1198
1199         /* got VF config message back from PF, now we can parse it */
1200         for (i = 0; i < vf->vf_res->num_vsis; i++) {
1201                 if (vf->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
1202                         vf->vsi_res = &vf->vf_res->vsi_res[i];
1203         }
1204
1205         if (!vf->vsi_res) {
1206                 PMD_INIT_LOG(ERR, "no LAN VSI found");
1207                 goto err_alloc;
1208         }
1209
1210         if (hw->mac.type == I40E_MAC_X722_VF)
1211                 vf->flags = I40E_FLAG_RSS_AQ_CAPABLE;
1212         vf->vsi.vsi_id = vf->vsi_res->vsi_id;
1213
1214         switch (vf->vsi_res->vsi_type) {
1215         case VIRTCHNL_VSI_SRIOV:
1216                 vf->vsi.type = I40E_VSI_SRIOV;
1217                 break;
1218         default:
1219                 vf->vsi.type = I40E_VSI_TYPE_UNKNOWN;
1220                 break;
1221         }
1222         vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
1223         vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1224
1225         /* Store the MAC address configured by host, or generate random one */
1226         if (is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1227                 vf->flags |= I40E_FLAG_VF_MAC_BY_PF;
1228         else
1229                 eth_random_addr(hw->mac.addr); /* Generate a random one */
1230
1231         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1232                        (I40E_ITR_INDEX_DEFAULT <<
1233                         I40E_VFINT_DYN_CTL0_ITR_INDX_SHIFT) |
1234                        (interval <<
1235                         I40E_VFINT_DYN_CTL0_INTERVAL_SHIFT));
1236         I40EVF_WRITE_FLUSH(hw);
1237
1238         return 0;
1239
1240 err_alloc:
1241         rte_free(vf->vf_res);
1242         vf->vsi_res = NULL;
1243 err_api:
1244         rte_free(vf->aq_resp);
1245 err_aq:
1246         i40e_shutdown_adminq(hw); /* ignore error */
1247 err:
1248         return -1;
1249 }
1250
1251 static int
1252 i40evf_uninit_vf(struct rte_eth_dev *dev)
1253 {
1254         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1255         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1256
1257         PMD_INIT_FUNC_TRACE();
1258
1259         if (hw->adapter_stopped == 0)
1260                 i40evf_dev_close(dev);
1261         rte_free(vf->vf_res);
1262         vf->vf_res = NULL;
1263         rte_free(vf->aq_resp);
1264         vf->aq_resp = NULL;
1265
1266         return 0;
1267 }
1268
1269 static void
1270 i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
1271                 __rte_unused uint16_t msglen)
1272 {
1273         struct virtchnl_pf_event *pf_msg =
1274                         (struct virtchnl_pf_event *)msg;
1275         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1276
1277         switch (pf_msg->event) {
1278         case VIRTCHNL_EVENT_RESET_IMPENDING:
1279                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
1280                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
1281                                               NULL);
1282                 break;
1283         case VIRTCHNL_EVENT_LINK_CHANGE:
1284                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
1285                 vf->link_up = pf_msg->event_data.link_event.link_status;
1286                 vf->link_speed = pf_msg->event_data.link_event.link_speed;
1287                 break;
1288         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
1289                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
1290                 break;
1291         default:
1292                 PMD_DRV_LOG(ERR, " unknown event received %u", pf_msg->event);
1293                 break;
1294         }
1295 }
1296
1297 static void
1298 i40evf_handle_aq_msg(struct rte_eth_dev *dev)
1299 {
1300         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1301         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1302         struct i40e_arq_event_info info;
1303         uint16_t pending, aq_opc;
1304         enum virtchnl_ops msg_opc;
1305         enum i40e_status_code msg_ret;
1306         int ret;
1307
1308         info.buf_len = I40E_AQ_BUF_SZ;
1309         if (!vf->aq_resp) {
1310                 PMD_DRV_LOG(ERR, "Buffer for adminq resp should not be NULL");
1311                 return;
1312         }
1313         info.msg_buf = vf->aq_resp;
1314
1315         pending = 1;
1316         while (pending) {
1317                 ret = i40e_clean_arq_element(hw, &info, &pending);
1318
1319                 if (ret != I40E_SUCCESS) {
1320                         PMD_DRV_LOG(INFO, "Failed to read msg from AdminQ,"
1321                                     "ret: %d", ret);
1322                         break;
1323                 }
1324                 aq_opc = rte_le_to_cpu_16(info.desc.opcode);
1325                 /* For the message sent from pf to vf, opcode is stored in
1326                  * cookie_high of struct i40e_aq_desc, while return error code
1327                  * are stored in cookie_low, Which is done by
1328                  * i40e_aq_send_msg_to_vf in PF driver.*/
1329                 msg_opc = (enum virtchnl_ops)rte_le_to_cpu_32(
1330                                                   info.desc.cookie_high);
1331                 msg_ret = (enum i40e_status_code)rte_le_to_cpu_32(
1332                                                   info.desc.cookie_low);
1333                 switch (aq_opc) {
1334                 case i40e_aqc_opc_send_msg_to_vf:
1335                         if (msg_opc == VIRTCHNL_OP_EVENT)
1336                                 /* process event*/
1337                                 i40evf_handle_pf_event(dev, info.msg_buf,
1338                                                        info.msg_len);
1339                         else {
1340                                 /* read message and it's expected one */
1341                                 if (msg_opc == vf->pend_cmd) {
1342                                         vf->cmd_retval = msg_ret;
1343                                         /* prevent compiler reordering */
1344                                         rte_compiler_barrier();
1345                                         _clear_cmd(vf);
1346                                 } else
1347                                         PMD_DRV_LOG(ERR, "command mismatch,"
1348                                                 "expect %u, get %u",
1349                                                 vf->pend_cmd, msg_opc);
1350                                 PMD_DRV_LOG(DEBUG, "adminq response is received,"
1351                                              " opcode = %d", msg_opc);
1352                         }
1353                         break;
1354                 default:
1355                         PMD_DRV_LOG(ERR, "Request %u is not supported yet",
1356                                     aq_opc);
1357                         break;
1358                 }
1359         }
1360 }
1361
1362 /**
1363  * Interrupt handler triggered by NIC  for handling
1364  * specific interrupt. Only adminq interrupt is processed in VF.
1365  *
1366  * @param handle
1367  *  Pointer to interrupt handle.
1368  * @param param
1369  *  The address of parameter (struct rte_eth_dev *) regsitered before.
1370  *
1371  * @return
1372  *  void
1373  */
1374 static void
1375 i40evf_dev_alarm_handler(void *param)
1376 {
1377         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1378         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1379         uint32_t icr0;
1380
1381         i40evf_disable_irq0(hw);
1382
1383         /* read out interrupt causes */
1384         icr0 = I40E_READ_REG(hw, I40E_VFINT_ICR01);
1385
1386         /* No interrupt event indicated */
1387         if (!(icr0 & I40E_VFINT_ICR01_INTEVENT_MASK)) {
1388                 PMD_DRV_LOG(DEBUG, "No interrupt event, nothing to do");
1389                 goto done;
1390         }
1391
1392         if (icr0 & I40E_VFINT_ICR01_ADMINQ_MASK) {
1393                 PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported");
1394                 i40evf_handle_aq_msg(dev);
1395         }
1396
1397         /* Link Status Change interrupt */
1398         if (icr0 & I40E_VFINT_ICR01_LINK_STAT_CHANGE_MASK)
1399                 PMD_DRV_LOG(DEBUG, "LINK_STAT_CHANGE is reported,"
1400                                    " do nothing");
1401
1402 done:
1403         i40evf_enable_irq0(hw);
1404         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1405                           i40evf_dev_alarm_handler, dev);
1406 }
1407
1408 static int
1409 i40evf_dev_init(struct rte_eth_dev *eth_dev)
1410 {
1411         struct i40e_hw *hw
1412                 = I40E_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
1413         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1414
1415         PMD_INIT_FUNC_TRACE();
1416
1417         /* assign ops func pointer */
1418         eth_dev->dev_ops = &i40evf_eth_dev_ops;
1419         eth_dev->rx_pkt_burst = &i40e_recv_pkts;
1420         eth_dev->tx_pkt_burst = &i40e_xmit_pkts;
1421
1422         /*
1423          * For secondary processes, we don't initialise any further as primary
1424          * has already done this work.
1425          */
1426         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
1427                 i40e_set_rx_function(eth_dev);
1428                 i40e_set_tx_function(eth_dev);
1429                 return 0;
1430         }
1431         i40e_set_default_ptype_table(eth_dev);
1432         i40e_set_default_pctype_table(eth_dev);
1433         rte_eth_copy_pci_info(eth_dev, pci_dev);
1434
1435         hw->vendor_id = pci_dev->id.vendor_id;
1436         hw->device_id = pci_dev->id.device_id;
1437         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1438         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1439         hw->bus.device = pci_dev->addr.devid;
1440         hw->bus.func = pci_dev->addr.function;
1441         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1442         hw->adapter_stopped = 0;
1443
1444         if(i40evf_init_vf(eth_dev) != 0) {
1445                 PMD_INIT_LOG(ERR, "Init vf failed");
1446                 return -1;
1447         }
1448
1449         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1450                           i40evf_dev_alarm_handler, eth_dev);
1451
1452         /* configure and enable device interrupt */
1453         i40evf_enable_irq0(hw);
1454
1455         /* copy mac addr */
1456         eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
1457                                         ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX,
1458                                         0);
1459         if (eth_dev->data->mac_addrs == NULL) {
1460                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1461                                 " store MAC addresses",
1462                                 ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX);
1463                 return -ENOMEM;
1464         }
1465         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1466                         &eth_dev->data->mac_addrs[0]);
1467
1468         return 0;
1469 }
1470
1471 static int
1472 i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
1473 {
1474         PMD_INIT_FUNC_TRACE();
1475
1476         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1477                 return -EPERM;
1478
1479         eth_dev->dev_ops = NULL;
1480         eth_dev->rx_pkt_burst = NULL;
1481         eth_dev->tx_pkt_burst = NULL;
1482
1483         if (i40evf_uninit_vf(eth_dev) != 0) {
1484                 PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
1485                 return -1;
1486         }
1487
1488         rte_free(eth_dev->data->mac_addrs);
1489         eth_dev->data->mac_addrs = NULL;
1490
1491         return 0;
1492 }
1493
1494 static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1495         struct rte_pci_device *pci_dev)
1496 {
1497         return rte_eth_dev_pci_generic_probe(pci_dev,
1498                 sizeof(struct i40e_adapter), i40evf_dev_init);
1499 }
1500
1501 static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
1502 {
1503         return rte_eth_dev_pci_generic_remove(pci_dev, i40evf_dev_uninit);
1504 }
1505
1506 /*
1507  * virtual function driver struct
1508  */
1509 static struct rte_pci_driver rte_i40evf_pmd = {
1510         .id_table = pci_id_i40evf_map,
1511         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA,
1512         .probe = eth_i40evf_pci_probe,
1513         .remove = eth_i40evf_pci_remove,
1514 };
1515
1516 RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd);
1517 RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
1518 RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio-pci");
1519
1520 static int
1521 i40evf_dev_configure(struct rte_eth_dev *dev)
1522 {
1523         struct i40e_adapter *ad =
1524                 I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1525         struct rte_eth_conf *conf = &dev->data->dev_conf;
1526         struct i40e_vf *vf;
1527
1528         /* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
1529          * allocation or vector Rx preconditions we will reset it.
1530          */
1531         ad->rx_bulk_alloc_allowed = true;
1532         ad->rx_vec_allowed = true;
1533         ad->tx_simple_allowed = true;
1534         ad->tx_vec_allowed = true;
1535
1536         /* For non-DPDK PF drivers, VF has no ability to disable HW
1537          * CRC strip, and is implicitly enabled by the PF.
1538          */
1539         if (rte_eth_dev_must_keep_crc(conf->rxmode.offloads)) {
1540                 vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1541                 if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
1542                     (vf->version_minor <= VIRTCHNL_VERSION_MINOR)) {
1543                         /* Peer is running non-DPDK PF driver. */
1544                         PMD_INIT_LOG(ERR, "VF can't disable HW CRC Strip");
1545                         return -EINVAL;
1546                 }
1547         }
1548
1549         return i40evf_init_vlan(dev);
1550 }
1551
1552 static int
1553 i40evf_init_vlan(struct rte_eth_dev *dev)
1554 {
1555         /* Apply vlan offload setting */
1556         i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
1557
1558         return 0;
1559 }
1560
1561 static int
1562 i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1563 {
1564         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1565         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1566
1567         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
1568                 return -ENOTSUP;
1569
1570         /* Vlan stripping setting */
1571         if (mask & ETH_VLAN_STRIP_MASK) {
1572                 /* Enable or disable VLAN stripping */
1573                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1574                         i40evf_enable_vlan_strip(dev);
1575                 else
1576                         i40evf_disable_vlan_strip(dev);
1577         }
1578
1579         return 0;
1580 }
1581
1582 static int
1583 i40evf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1584 {
1585         struct i40e_rx_queue *rxq;
1586         int err;
1587         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1588
1589         PMD_INIT_FUNC_TRACE();
1590
1591         rxq = dev->data->rx_queues[rx_queue_id];
1592
1593         err = i40e_alloc_rx_queue_mbufs(rxq);
1594         if (err) {
1595                 PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
1596                 return err;
1597         }
1598
1599         rte_wmb();
1600
1601         /* Init the RX tail register. */
1602         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1603         I40EVF_WRITE_FLUSH(hw);
1604
1605         /* Ready to switch the queue on */
1606         err = i40evf_switch_queue(dev, TRUE, rx_queue_id, TRUE);
1607         if (err) {
1608                 PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
1609                             rx_queue_id);
1610                 return err;
1611         }
1612         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1613
1614         return 0;
1615 }
1616
1617 static int
1618 i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1619 {
1620         struct i40e_rx_queue *rxq;
1621         int err;
1622
1623         rxq = dev->data->rx_queues[rx_queue_id];
1624
1625         err = i40evf_switch_queue(dev, TRUE, rx_queue_id, FALSE);
1626         if (err) {
1627                 PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
1628                             rx_queue_id);
1629                 return err;
1630         }
1631
1632         i40e_rx_queue_release_mbufs(rxq);
1633         i40e_reset_rx_queue(rxq);
1634         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1635
1636         return 0;
1637 }
1638
1639 static int
1640 i40evf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1641 {
1642         int err;
1643
1644         PMD_INIT_FUNC_TRACE();
1645
1646         /* Ready to switch the queue on */
1647         err = i40evf_switch_queue(dev, FALSE, tx_queue_id, TRUE);
1648         if (err) {
1649                 PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
1650                             tx_queue_id);
1651                 return err;
1652         }
1653         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1654
1655         return 0;
1656 }
1657
1658 static int
1659 i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1660 {
1661         struct i40e_tx_queue *txq;
1662         int err;
1663
1664         txq = dev->data->tx_queues[tx_queue_id];
1665
1666         err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE);
1667         if (err) {
1668                 PMD_DRV_LOG(ERR, "Failed to switch TX queue %u off",
1669                             tx_queue_id);
1670                 return err;
1671         }
1672
1673         i40e_tx_queue_release_mbufs(txq);
1674         i40e_reset_tx_queue(txq);
1675         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1676
1677         return 0;
1678 }
1679
1680 static int
1681 i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1682 {
1683         int ret;
1684
1685         if (on)
1686                 ret = i40evf_add_vlan(dev, vlan_id);
1687         else
1688                 ret = i40evf_del_vlan(dev,vlan_id);
1689
1690         return ret;
1691 }
1692
1693 static int
1694 i40evf_rxq_init(struct rte_eth_dev *dev, struct i40e_rx_queue *rxq)
1695 {
1696         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1697         struct rte_eth_dev_data *dev_data = dev->data;
1698         struct rte_pktmbuf_pool_private *mbp_priv;
1699         uint16_t buf_size, len;
1700
1701         rxq->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(rxq->queue_id);
1702         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1703         I40EVF_WRITE_FLUSH(hw);
1704
1705         /* Calculate the maximum packet length allowed */
1706         mbp_priv = rte_mempool_get_priv(rxq->mp);
1707         buf_size = (uint16_t)(mbp_priv->mbuf_data_room_size -
1708                                         RTE_PKTMBUF_HEADROOM);
1709         rxq->hs_mode = i40e_header_split_none;
1710         rxq->rx_hdr_len = 0;
1711         rxq->rx_buf_len = RTE_ALIGN(buf_size, (1 << I40E_RXQ_CTX_DBUFF_SHIFT));
1712         len = rxq->rx_buf_len * I40E_MAX_CHAINED_RX_BUFFERS;
1713         rxq->max_pkt_len = RTE_MIN(len,
1714                 dev_data->dev_conf.rxmode.max_rx_pkt_len);
1715
1716         /**
1717          * Check if the jumbo frame and maximum packet length are set correctly
1718          */
1719         if (dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1720                 if (rxq->max_pkt_len <= ETHER_MAX_LEN ||
1721                     rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
1722                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1723                                 "larger than %u and smaller than %u, as jumbo "
1724                                 "frame is enabled", (uint32_t)ETHER_MAX_LEN,
1725                                         (uint32_t)I40E_FRAME_SIZE_MAX);
1726                         return I40E_ERR_CONFIG;
1727                 }
1728         } else {
1729                 if (rxq->max_pkt_len < ETHER_MIN_LEN ||
1730                     rxq->max_pkt_len > ETHER_MAX_LEN) {
1731                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1732                                 "larger than %u and smaller than %u, as jumbo "
1733                                 "frame is disabled", (uint32_t)ETHER_MIN_LEN,
1734                                                 (uint32_t)ETHER_MAX_LEN);
1735                         return I40E_ERR_CONFIG;
1736                 }
1737         }
1738
1739         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
1740             (rxq->max_pkt_len + 2 * I40E_VLAN_TAG_SIZE) > buf_size) {
1741                 dev_data->scattered_rx = 1;
1742         }
1743
1744         return 0;
1745 }
1746
1747 static int
1748 i40evf_rx_init(struct rte_eth_dev *dev)
1749 {
1750         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1751         uint16_t i;
1752         int ret = I40E_SUCCESS;
1753         struct i40e_rx_queue **rxq =
1754                 (struct i40e_rx_queue **)dev->data->rx_queues;
1755
1756         i40evf_config_rss(vf);
1757         for (i = 0; i < dev->data->nb_rx_queues; i++) {
1758                 if (!rxq[i] || !rxq[i]->q_set)
1759                         continue;
1760                 ret = i40evf_rxq_init(dev, rxq[i]);
1761                 if (ret != I40E_SUCCESS)
1762                         break;
1763         }
1764         if (ret == I40E_SUCCESS)
1765                 i40e_set_rx_function(dev);
1766
1767         return ret;
1768 }
1769
1770 static void
1771 i40evf_tx_init(struct rte_eth_dev *dev)
1772 {
1773         uint16_t i;
1774         struct i40e_tx_queue **txq =
1775                 (struct i40e_tx_queue **)dev->data->tx_queues;
1776         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1777
1778         for (i = 0; i < dev->data->nb_tx_queues; i++)
1779                 txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i);
1780
1781         i40e_set_tx_function(dev);
1782 }
1783
1784 static inline void
1785 i40evf_enable_queues_intr(struct rte_eth_dev *dev)
1786 {
1787         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1788         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1789         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1790
1791         if (!rte_intr_allow_others(intr_handle)) {
1792                 I40E_WRITE_REG(hw,
1793                                I40E_VFINT_DYN_CTL01,
1794                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1795                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1796                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1797                 I40EVF_WRITE_FLUSH(hw);
1798                 return;
1799         }
1800
1801         I40EVF_WRITE_FLUSH(hw);
1802 }
1803
1804 static inline void
1805 i40evf_disable_queues_intr(struct rte_eth_dev *dev)
1806 {
1807         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1808         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1809         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1810
1811         if (!rte_intr_allow_others(intr_handle)) {
1812                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1813                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1814                 I40EVF_WRITE_FLUSH(hw);
1815                 return;
1816         }
1817
1818         I40EVF_WRITE_FLUSH(hw);
1819 }
1820
1821 static int
1822 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1823 {
1824         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1825         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1826         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1827         uint16_t interval =
1828                 i40e_calc_itr_interval(0, 0);
1829         uint16_t msix_intr;
1830
1831         msix_intr = intr_handle->intr_vec[queue_id];
1832         if (msix_intr == I40E_MISC_VEC_ID)
1833                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1834                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1835                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1836                                (0 << I40E_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
1837                                (interval <<
1838                                 I40E_VFINT_DYN_CTL01_INTERVAL_SHIFT));
1839         else
1840                 I40E_WRITE_REG(hw,
1841                                I40E_VFINT_DYN_CTLN1(msix_intr -
1842                                                     I40E_RX_VEC_START),
1843                                I40E_VFINT_DYN_CTLN1_INTENA_MASK |
1844                                I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
1845                                (0 << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
1846                                (interval <<
1847                                 I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
1848
1849         I40EVF_WRITE_FLUSH(hw);
1850
1851         return 0;
1852 }
1853
1854 static int
1855 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1856 {
1857         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1858         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1859         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1860         uint16_t msix_intr;
1861
1862         msix_intr = intr_handle->intr_vec[queue_id];
1863         if (msix_intr == I40E_MISC_VEC_ID)
1864                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
1865         else
1866                 I40E_WRITE_REG(hw,
1867                                I40E_VFINT_DYN_CTLN1(msix_intr -
1868                                                     I40E_RX_VEC_START),
1869                                0);
1870
1871         I40EVF_WRITE_FLUSH(hw);
1872
1873         return 0;
1874 }
1875
1876 static void
1877 i40evf_add_del_all_mac_addr(struct rte_eth_dev *dev, bool add)
1878 {
1879         struct virtchnl_ether_addr_list *list;
1880         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1881         int err, i, j;
1882         int next_begin = 0;
1883         int begin = 0;
1884         uint32_t len;
1885         struct ether_addr *addr;
1886         struct vf_cmd_info args;
1887
1888         do {
1889                 j = 0;
1890                 len = sizeof(struct virtchnl_ether_addr_list);
1891                 for (i = begin; i < I40E_NUM_MACADDR_MAX; i++, next_begin++) {
1892                         if (is_zero_ether_addr(&dev->data->mac_addrs[i]))
1893                                 continue;
1894                         len += sizeof(struct virtchnl_ether_addr);
1895                         if (len >= I40E_AQ_BUF_SZ) {
1896                                 next_begin = i + 1;
1897                                 break;
1898                         }
1899                 }
1900
1901                 list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
1902                 if (!list) {
1903                         PMD_DRV_LOG(ERR, "fail to allocate memory");
1904                         return;
1905                 }
1906
1907                 for (i = begin; i < next_begin; i++) {
1908                         addr = &dev->data->mac_addrs[i];
1909                         if (is_zero_ether_addr(addr))
1910                                 continue;
1911                         rte_memcpy(list->list[j].addr, addr->addr_bytes,
1912                                          sizeof(addr->addr_bytes));
1913                         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1914                                     addr->addr_bytes[0], addr->addr_bytes[1],
1915                                     addr->addr_bytes[2], addr->addr_bytes[3],
1916                                     addr->addr_bytes[4], addr->addr_bytes[5]);
1917                         j++;
1918                 }
1919                 list->vsi_id = vf->vsi_res->vsi_id;
1920                 list->num_elements = j;
1921                 args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1922                            VIRTCHNL_OP_DEL_ETH_ADDR;
1923                 args.in_args = (uint8_t *)list;
1924                 args.in_args_size = len;
1925                 args.out_buffer = vf->aq_resp;
1926                 args.out_size = I40E_AQ_BUF_SZ;
1927                 err = i40evf_execute_vf_cmd(dev, &args);
1928                 if (err) {
1929                         PMD_DRV_LOG(ERR, "fail to execute command %s",
1930                                     add ? "OP_ADD_ETHER_ADDRESS" :
1931                                     "OP_DEL_ETHER_ADDRESS");
1932                 } else {
1933                         if (add)
1934                                 vf->vsi.mac_num++;
1935                         else
1936                                 vf->vsi.mac_num--;
1937                 }
1938                 rte_free(list);
1939                 begin = next_begin;
1940         } while (begin < I40E_NUM_MACADDR_MAX);
1941 }
1942
1943 static int
1944 i40evf_dev_start(struct rte_eth_dev *dev)
1945 {
1946         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1947         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1948         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1949         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1950         uint32_t intr_vector = 0;
1951
1952         PMD_INIT_FUNC_TRACE();
1953
1954         hw->adapter_stopped = 0;
1955
1956         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
1957         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
1958                                         dev->data->nb_tx_queues);
1959
1960         /* check and configure queue intr-vector mapping */
1961         if (rte_intr_cap_multiple(intr_handle) &&
1962             dev->data->dev_conf.intr_conf.rxq) {
1963                 intr_vector = dev->data->nb_rx_queues;
1964                 if (rte_intr_efd_enable(intr_handle, intr_vector))
1965                         return -1;
1966         }
1967
1968         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1969                 intr_handle->intr_vec =
1970                         rte_zmalloc("intr_vec",
1971                                     dev->data->nb_rx_queues * sizeof(int), 0);
1972                 if (!intr_handle->intr_vec) {
1973                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1974                                      " intr_vec", dev->data->nb_rx_queues);
1975                         return -ENOMEM;
1976                 }
1977         }
1978
1979         if (i40evf_rx_init(dev) != 0){
1980                 PMD_DRV_LOG(ERR, "failed to do RX init");
1981                 return -1;
1982         }
1983
1984         i40evf_tx_init(dev);
1985
1986         if (i40evf_configure_vsi_queues(dev) != 0) {
1987                 PMD_DRV_LOG(ERR, "configure queues failed");
1988                 goto err_queue;
1989         }
1990         if (i40evf_config_irq_map(dev)) {
1991                 PMD_DRV_LOG(ERR, "config_irq_map failed");
1992                 goto err_queue;
1993         }
1994
1995         /* Set all mac addrs */
1996         i40evf_add_del_all_mac_addr(dev, TRUE);
1997         /* Set all multicast addresses */
1998         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
1999                                 TRUE);
2000
2001         if (i40evf_start_queues(dev) != 0) {
2002                 PMD_DRV_LOG(ERR, "enable queues failed");
2003                 goto err_mac;
2004         }
2005
2006         /* only enable interrupt in rx interrupt mode */
2007         if (dev->data->dev_conf.intr_conf.rxq != 0)
2008                 rte_intr_enable(intr_handle);
2009
2010         i40evf_enable_queues_intr(dev);
2011
2012         return 0;
2013
2014 err_mac:
2015         i40evf_add_del_all_mac_addr(dev, FALSE);
2016         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2017                                 FALSE);
2018 err_queue:
2019         return -1;
2020 }
2021
2022 static void
2023 i40evf_dev_stop(struct rte_eth_dev *dev)
2024 {
2025         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2026         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2027         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2028         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2029
2030         PMD_INIT_FUNC_TRACE();
2031
2032         if (dev->data->dev_conf.intr_conf.rxq != 0)
2033                 rte_intr_disable(intr_handle);
2034
2035         if (hw->adapter_stopped == 1)
2036                 return;
2037         i40evf_stop_queues(dev);
2038         i40evf_disable_queues_intr(dev);
2039         i40e_dev_clear_queues(dev);
2040
2041         /* Clean datapath event and queue/vec mapping */
2042         rte_intr_efd_disable(intr_handle);
2043         if (intr_handle->intr_vec) {
2044                 rte_free(intr_handle->intr_vec);
2045                 intr_handle->intr_vec = NULL;
2046         }
2047         /* remove all mac addrs */
2048         i40evf_add_del_all_mac_addr(dev, FALSE);
2049         /* remove all multicast addresses */
2050         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2051                                 FALSE);
2052         hw->adapter_stopped = 1;
2053
2054 }
2055
2056 static int
2057 i40evf_dev_link_update(struct rte_eth_dev *dev,
2058                        __rte_unused int wait_to_complete)
2059 {
2060         struct rte_eth_link new_link;
2061         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2062         /*
2063          * DPDK pf host provide interfacet to acquire link status
2064          * while Linux driver does not
2065          */
2066
2067         memset(&new_link, 0, sizeof(new_link));
2068         /* Linux driver PF host */
2069         switch (vf->link_speed) {
2070         case I40E_LINK_SPEED_100MB:
2071                 new_link.link_speed = ETH_SPEED_NUM_100M;
2072                 break;
2073         case I40E_LINK_SPEED_1GB:
2074                 new_link.link_speed = ETH_SPEED_NUM_1G;
2075                 break;
2076         case I40E_LINK_SPEED_10GB:
2077                 new_link.link_speed = ETH_SPEED_NUM_10G;
2078                 break;
2079         case I40E_LINK_SPEED_20GB:
2080                 new_link.link_speed = ETH_SPEED_NUM_20G;
2081                 break;
2082         case I40E_LINK_SPEED_25GB:
2083                 new_link.link_speed = ETH_SPEED_NUM_25G;
2084                 break;
2085         case I40E_LINK_SPEED_40GB:
2086                 new_link.link_speed = ETH_SPEED_NUM_40G;
2087                 break;
2088         default:
2089                 new_link.link_speed = ETH_SPEED_NUM_100M;
2090                 break;
2091         }
2092         /* full duplex only */
2093         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
2094         new_link.link_status = vf->link_up ? ETH_LINK_UP :
2095                                              ETH_LINK_DOWN;
2096         new_link.link_autoneg =
2097                 !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2098
2099         return rte_eth_linkstatus_set(dev, &new_link);
2100 }
2101
2102 static void
2103 i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
2104 {
2105         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2106         int ret;
2107
2108         /* If enabled, just return */
2109         if (vf->promisc_unicast_enabled)
2110                 return;
2111
2112         ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
2113         if (ret == 0)
2114                 vf->promisc_unicast_enabled = TRUE;
2115 }
2116
2117 static void
2118 i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
2119 {
2120         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2121         int ret;
2122
2123         /* If disabled, just return */
2124         if (!vf->promisc_unicast_enabled)
2125                 return;
2126
2127         ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
2128         if (ret == 0)
2129                 vf->promisc_unicast_enabled = FALSE;
2130 }
2131
2132 static void
2133 i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
2134 {
2135         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2136         int ret;
2137
2138         /* If enabled, just return */
2139         if (vf->promisc_multicast_enabled)
2140                 return;
2141
2142         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
2143         if (ret == 0)
2144                 vf->promisc_multicast_enabled = TRUE;
2145 }
2146
2147 static void
2148 i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
2149 {
2150         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2151         int ret;
2152
2153         /* If enabled, just return */
2154         if (!vf->promisc_multicast_enabled)
2155                 return;
2156
2157         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
2158         if (ret == 0)
2159                 vf->promisc_multicast_enabled = FALSE;
2160 }
2161
2162 static void
2163 i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2164 {
2165         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2166
2167         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
2168         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
2169         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
2170         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
2171         dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2172         dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
2173         dev_info->flow_type_rss_offloads = vf->adapter->flow_types_mask;
2174         dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
2175         dev_info->rx_queue_offload_capa = 0;
2176         dev_info->rx_offload_capa =
2177                 DEV_RX_OFFLOAD_VLAN_STRIP |
2178                 DEV_RX_OFFLOAD_QINQ_STRIP |
2179                 DEV_RX_OFFLOAD_IPV4_CKSUM |
2180                 DEV_RX_OFFLOAD_UDP_CKSUM |
2181                 DEV_RX_OFFLOAD_TCP_CKSUM |
2182                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2183                 DEV_RX_OFFLOAD_CRC_STRIP |
2184                 DEV_RX_OFFLOAD_KEEP_CRC |
2185                 DEV_RX_OFFLOAD_SCATTER |
2186                 DEV_RX_OFFLOAD_JUMBO_FRAME |
2187                 DEV_RX_OFFLOAD_VLAN_FILTER;
2188
2189         dev_info->tx_queue_offload_capa = 0;
2190         dev_info->tx_offload_capa =
2191                 DEV_TX_OFFLOAD_VLAN_INSERT |
2192                 DEV_TX_OFFLOAD_QINQ_INSERT |
2193                 DEV_TX_OFFLOAD_IPV4_CKSUM |
2194                 DEV_TX_OFFLOAD_UDP_CKSUM |
2195                 DEV_TX_OFFLOAD_TCP_CKSUM |
2196                 DEV_TX_OFFLOAD_SCTP_CKSUM |
2197                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2198                 DEV_TX_OFFLOAD_TCP_TSO |
2199                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2200                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
2201                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
2202                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2203                 DEV_TX_OFFLOAD_MULTI_SEGS;
2204
2205         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2206                 .rx_thresh = {
2207                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
2208                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
2209                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
2210                 },
2211                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
2212                 .rx_drop_en = 0,
2213                 .offloads = 0,
2214         };
2215
2216         dev_info->default_txconf = (struct rte_eth_txconf) {
2217                 .tx_thresh = {
2218                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
2219                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
2220                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
2221                 },
2222                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
2223                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
2224                 .offloads = 0,
2225         };
2226
2227         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
2228                 .nb_max = I40E_MAX_RING_DESC,
2229                 .nb_min = I40E_MIN_RING_DESC,
2230                 .nb_align = I40E_ALIGN_RING_DESC,
2231         };
2232
2233         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
2234                 .nb_max = I40E_MAX_RING_DESC,
2235                 .nb_min = I40E_MIN_RING_DESC,
2236                 .nb_align = I40E_ALIGN_RING_DESC,
2237         };
2238 }
2239
2240 static int
2241 i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
2242 {
2243         int ret;
2244         struct i40e_eth_stats *pstats = NULL;
2245         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2246         struct i40e_vsi *vsi = &vf->vsi;
2247
2248         ret = i40evf_query_stats(dev, &pstats);
2249         if (ret == 0) {
2250                 i40evf_update_stats(vsi, pstats);
2251
2252                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
2253                                                 pstats->rx_broadcast;
2254                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
2255                                                 pstats->tx_unicast;
2256                 stats->imissed = pstats->rx_discards;
2257                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
2258                 stats->ibytes = pstats->rx_bytes;
2259                 stats->obytes = pstats->tx_bytes;
2260         } else {
2261                 PMD_DRV_LOG(ERR, "Get statistics failed");
2262         }
2263         return ret;
2264 }
2265
2266 static void
2267 i40evf_dev_close(struct rte_eth_dev *dev)
2268 {
2269         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2270
2271         rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
2272         i40evf_dev_stop(dev);
2273         i40e_dev_free_queues(dev);
2274         /*
2275          * disable promiscuous mode before reset vf
2276          * it is a workaround solution when work with kernel driver
2277          * and it is not the normal way
2278          */
2279         i40evf_dev_promiscuous_disable(dev);
2280         i40evf_dev_allmulticast_disable(dev);
2281
2282         i40evf_reset_vf(hw);
2283         i40e_shutdown_adminq(hw);
2284         i40evf_disable_irq0(hw);
2285 }
2286
2287 /*
2288  * Reset VF device only to re-initialize resources in PMD layer
2289  */
2290 static int
2291 i40evf_dev_reset(struct rte_eth_dev *dev)
2292 {
2293         int ret;
2294
2295         ret = i40evf_dev_uninit(dev);
2296         if (ret)
2297                 return ret;
2298
2299         ret = i40evf_dev_init(dev);
2300
2301         return ret;
2302 }
2303
2304 static int
2305 i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2306 {
2307         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2308         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2309         int ret;
2310
2311         if (!lut)
2312                 return -EINVAL;
2313
2314         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2315                 ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
2316                                           lut, lut_size);
2317                 if (ret) {
2318                         PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
2319                         return ret;
2320                 }
2321         } else {
2322                 uint32_t *lut_dw = (uint32_t *)lut;
2323                 uint16_t i, lut_size_dw = lut_size / 4;
2324
2325                 for (i = 0; i < lut_size_dw; i++)
2326                         lut_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HLUT(i));
2327         }
2328
2329         return 0;
2330 }
2331
2332 static int
2333 i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2334 {
2335         struct i40e_vf *vf;
2336         struct i40e_hw *hw;
2337         int ret;
2338
2339         if (!vsi || !lut)
2340                 return -EINVAL;
2341
2342         vf = I40E_VSI_TO_VF(vsi);
2343         hw = I40E_VSI_TO_HW(vsi);
2344
2345         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2346                 ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
2347                                           lut, lut_size);
2348                 if (ret) {
2349                         PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");
2350                         return ret;
2351                 }
2352         } else {
2353                 uint32_t *lut_dw = (uint32_t *)lut;
2354                 uint16_t i, lut_size_dw = lut_size / 4;
2355
2356                 for (i = 0; i < lut_size_dw; i++)
2357                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i), lut_dw[i]);
2358                 I40EVF_WRITE_FLUSH(hw);
2359         }
2360
2361         return 0;
2362 }
2363
2364 static int
2365 i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
2366                            struct rte_eth_rss_reta_entry64 *reta_conf,
2367                            uint16_t reta_size)
2368 {
2369         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2370         uint8_t *lut;
2371         uint16_t i, idx, shift;
2372         int ret;
2373
2374         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2375                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2376                         "(%d) doesn't match the number of hardware can "
2377                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2378                 return -EINVAL;
2379         }
2380
2381         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2382         if (!lut) {
2383                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2384                 return -ENOMEM;
2385         }
2386         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2387         if (ret)
2388                 goto out;
2389         for (i = 0; i < reta_size; i++) {
2390                 idx = i / RTE_RETA_GROUP_SIZE;
2391                 shift = i % RTE_RETA_GROUP_SIZE;
2392                 if (reta_conf[idx].mask & (1ULL << shift))
2393                         lut[i] = reta_conf[idx].reta[shift];
2394         }
2395         ret = i40evf_set_rss_lut(&vf->vsi, lut, reta_size);
2396
2397 out:
2398         rte_free(lut);
2399
2400         return ret;
2401 }
2402
2403 static int
2404 i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
2405                           struct rte_eth_rss_reta_entry64 *reta_conf,
2406                           uint16_t reta_size)
2407 {
2408         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2409         uint16_t i, idx, shift;
2410         uint8_t *lut;
2411         int ret;
2412
2413         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2414                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2415                         "(%d) doesn't match the number of hardware can "
2416                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2417                 return -EINVAL;
2418         }
2419
2420         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2421         if (!lut) {
2422                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2423                 return -ENOMEM;
2424         }
2425
2426         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2427         if (ret)
2428                 goto out;
2429         for (i = 0; i < reta_size; i++) {
2430                 idx = i / RTE_RETA_GROUP_SIZE;
2431                 shift = i % RTE_RETA_GROUP_SIZE;
2432                 if (reta_conf[idx].mask & (1ULL << shift))
2433                         reta_conf[idx].reta[shift] = lut[i];
2434         }
2435
2436 out:
2437         rte_free(lut);
2438
2439         return ret;
2440 }
2441
2442 static int
2443 i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len)
2444 {
2445         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2446         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2447         int ret = 0;
2448
2449         if (!key || key_len == 0) {
2450                 PMD_DRV_LOG(DEBUG, "No key to be configured");
2451                 return 0;
2452         } else if (key_len != (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2453                 sizeof(uint32_t)) {
2454                 PMD_DRV_LOG(ERR, "Invalid key length %u", key_len);
2455                 return -EINVAL;
2456         }
2457
2458         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2459                 struct i40e_aqc_get_set_rss_key_data *key_dw =
2460                         (struct i40e_aqc_get_set_rss_key_data *)key;
2461
2462                 ret = i40e_aq_set_rss_key(hw, vsi->vsi_id, key_dw);
2463                 if (ret)
2464                         PMD_INIT_LOG(ERR, "Failed to configure RSS key "
2465                                      "via AQ");
2466         } else {
2467                 uint32_t *hash_key = (uint32_t *)key;
2468                 uint16_t i;
2469
2470                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2471                         i40e_write_rx_ctl(hw, I40E_VFQF_HKEY(i), hash_key[i]);
2472                 I40EVF_WRITE_FLUSH(hw);
2473         }
2474
2475         return ret;
2476 }
2477
2478 static int
2479 i40evf_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t *key_len)
2480 {
2481         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2482         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2483         int ret;
2484
2485         if (!key || !key_len)
2486                 return -EINVAL;
2487
2488         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2489                 ret = i40e_aq_get_rss_key(hw, vsi->vsi_id,
2490                         (struct i40e_aqc_get_set_rss_key_data *)key);
2491                 if (ret) {
2492                         PMD_INIT_LOG(ERR, "Failed to get RSS key via AQ");
2493                         return ret;
2494                 }
2495         } else {
2496                 uint32_t *key_dw = (uint32_t *)key;
2497                 uint16_t i;
2498
2499                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2500                         key_dw[i] = i40e_read_rx_ctl(hw, I40E_VFQF_HKEY(i));
2501         }
2502         *key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2503
2504         return 0;
2505 }
2506
2507 static int
2508 i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct rte_eth_rss_conf *rss_conf)
2509 {
2510         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2511         uint64_t hena;
2512         int ret;
2513
2514         ret = i40evf_set_rss_key(&vf->vsi, rss_conf->rss_key,
2515                                  rss_conf->rss_key_len);
2516         if (ret)
2517                 return ret;
2518
2519         hena = i40e_config_hena(vf->adapter, rss_conf->rss_hf);
2520         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
2521         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
2522         I40EVF_WRITE_FLUSH(hw);
2523
2524         return 0;
2525 }
2526
2527 static void
2528 i40evf_disable_rss(struct i40e_vf *vf)
2529 {
2530         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2531
2532         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), 0);
2533         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), 0);
2534         I40EVF_WRITE_FLUSH(hw);
2535 }
2536
2537 static int
2538 i40evf_config_rss(struct i40e_vf *vf)
2539 {
2540         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2541         struct rte_eth_rss_conf rss_conf;
2542         uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
2543         uint16_t num;
2544
2545         if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
2546                 i40evf_disable_rss(vf);
2547                 PMD_DRV_LOG(DEBUG, "RSS not configured");
2548                 return 0;
2549         }
2550
2551         num = RTE_MIN(vf->dev_data->nb_rx_queues, I40E_MAX_QP_NUM_PER_VF);
2552         /* Fill out the look up table */
2553         for (i = 0, j = 0; i < nb_q; i++, j++) {
2554                 if (j >= num)
2555                         j = 0;
2556                 lut = (lut << 8) | j;
2557                 if ((i & 3) == 3)
2558                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
2559         }
2560
2561         rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
2562         if ((rss_conf.rss_hf & vf->adapter->flow_types_mask) == 0) {
2563                 i40evf_disable_rss(vf);
2564                 PMD_DRV_LOG(DEBUG, "No hash flag is set");
2565                 return 0;
2566         }
2567
2568         if (rss_conf.rss_key == NULL || rss_conf.rss_key_len <
2569                 (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
2570                 /* Calculate the default hash key */
2571                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2572                         rss_key_default[i] = (uint32_t)rte_rand();
2573                 rss_conf.rss_key = (uint8_t *)rss_key_default;
2574                 rss_conf.rss_key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2575                         sizeof(uint32_t);
2576         }
2577
2578         return i40evf_hw_rss_hash_set(vf, &rss_conf);
2579 }
2580
2581 static int
2582 i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
2583                            struct rte_eth_rss_conf *rss_conf)
2584 {
2585         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2586         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2587         uint64_t rss_hf = rss_conf->rss_hf & vf->adapter->flow_types_mask;
2588         uint64_t hena;
2589
2590         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2591         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2592
2593         if (!(hena & vf->adapter->pctypes_mask)) { /* RSS disabled */
2594                 if (rss_hf != 0) /* Enable RSS */
2595                         return -EINVAL;
2596                 return 0;
2597         }
2598
2599         /* RSS enabled */
2600         if (rss_hf == 0) /* Disable RSS */
2601                 return -EINVAL;
2602
2603         return i40evf_hw_rss_hash_set(vf, rss_conf);
2604 }
2605
2606 static int
2607 i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
2608                              struct rte_eth_rss_conf *rss_conf)
2609 {
2610         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2611         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2612         uint64_t hena;
2613
2614         i40evf_get_rss_key(&vf->vsi, rss_conf->rss_key,
2615                            &rss_conf->rss_key_len);
2616
2617         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2618         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2619         rss_conf->rss_hf = i40e_parse_hena(vf->adapter, hena);
2620
2621         return 0;
2622 }
2623
2624 static int
2625 i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2626 {
2627         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2628         struct rte_eth_dev_data *dev_data = vf->dev_data;
2629         uint32_t frame_size = mtu + I40E_ETH_OVERHEAD;
2630         int ret = 0;
2631
2632         /* check if mtu is within the allowed range */
2633         if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
2634                 return -EINVAL;
2635
2636         /* mtu setting is forbidden if port is start */
2637         if (dev_data->dev_started) {
2638                 PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
2639                             dev_data->port_id);
2640                 return -EBUSY;
2641         }
2642
2643         if (frame_size > ETHER_MAX_LEN)
2644                 dev_data->dev_conf.rxmode.offloads |=
2645                         DEV_RX_OFFLOAD_JUMBO_FRAME;
2646         else
2647                 dev_data->dev_conf.rxmode.offloads &=
2648                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2649         dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2650
2651         return ret;
2652 }
2653
2654 static int
2655 i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
2656                             struct ether_addr *mac_addr)
2657 {
2658         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2659         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2660
2661         if (!is_valid_assigned_ether_addr(mac_addr)) {
2662                 PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
2663                 return -EINVAL;
2664         }
2665
2666         if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
2667                 return -EPERM;
2668
2669         i40evf_del_mac_addr_by_addr(dev, (struct ether_addr *)hw->mac.addr);
2670
2671         if (i40evf_add_mac_addr(dev, mac_addr, 0, 0) != 0)
2672                 return -EIO;
2673
2674         ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
2675         return 0;
2676 }
2677
2678 static int
2679 i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
2680                         struct ether_addr *mc_addrs,
2681                         uint32_t mc_addrs_num, bool add)
2682 {
2683         struct virtchnl_ether_addr_list *list;
2684         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2685         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) +
2686                 (I40E_NUM_MACADDR_MAX * sizeof(struct virtchnl_ether_addr))];
2687         uint32_t i;
2688         int err;
2689         struct vf_cmd_info args;
2690
2691         if (mc_addrs == NULL || mc_addrs_num == 0)
2692                 return 0;
2693
2694         if (mc_addrs_num > I40E_NUM_MACADDR_MAX)
2695                 return -EINVAL;
2696
2697         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
2698         list->vsi_id = vf->vsi_res->vsi_id;
2699         list->num_elements = mc_addrs_num;
2700
2701         for (i = 0; i < mc_addrs_num; i++) {
2702                 if (!I40E_IS_MULTICAST(mc_addrs[i].addr_bytes)) {
2703                         PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
2704                                     mc_addrs[i].addr_bytes[0],
2705                                     mc_addrs[i].addr_bytes[1],
2706                                     mc_addrs[i].addr_bytes[2],
2707                                     mc_addrs[i].addr_bytes[3],
2708                                     mc_addrs[i].addr_bytes[4],
2709                                     mc_addrs[i].addr_bytes[5]);
2710                         return -EINVAL;
2711                 }
2712
2713                 memcpy(list->list[i].addr, mc_addrs[i].addr_bytes,
2714                         sizeof(list->list[i].addr));
2715         }
2716
2717         args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR : VIRTCHNL_OP_DEL_ETH_ADDR;
2718         args.in_args = cmd_buffer;
2719         args.in_args_size = sizeof(struct virtchnl_ether_addr_list) +
2720                 i * sizeof(struct virtchnl_ether_addr);
2721         args.out_buffer = vf->aq_resp;
2722         args.out_size = I40E_AQ_BUF_SZ;
2723         err = i40evf_execute_vf_cmd(dev, &args);
2724         if (err) {
2725                 PMD_DRV_LOG(ERR, "fail to execute command %s",
2726                         add ? "OP_ADD_ETH_ADDR" : "OP_DEL_ETH_ADDR");
2727                 return err;
2728         }
2729
2730         return 0;
2731 }
2732
2733 static int
2734 i40evf_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addrs,
2735                         uint32_t mc_addrs_num)
2736 {
2737         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2738         int err;
2739
2740         /* flush previous addresses */
2741         err = i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2742                                 FALSE);
2743         if (err)
2744                 return err;
2745
2746         vf->mc_addrs_num = 0;
2747
2748         /* add new ones */
2749         err = i40evf_add_del_mc_addr_list(dev, mc_addrs, mc_addrs_num,
2750                                         TRUE);
2751         if (err)
2752                 return err;
2753
2754         vf->mc_addrs_num = mc_addrs_num;
2755         memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
2756
2757         return 0;
2758 }