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