100e71cc82d10ef423e95874c63a9b00224dc143
[deb_dpdk.git] / drivers / net / i40e / i40e_ethdev_vf.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2016 Intel Corporation
3  */
4
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12 #include <inttypes.h>
13 #include <rte_byteorder.h>
14 #include <rte_common.h>
15 #include <rte_cycles.h>
16
17 #include <rte_interrupts.h>
18 #include <rte_log.h>
19 #include <rte_debug.h>
20 #include <rte_pci.h>
21 #include <rte_bus_pci.h>
22 #include <rte_atomic.h>
23 #include <rte_branch_prediction.h>
24 #include <rte_memory.h>
25 #include <rte_eal.h>
26 #include <rte_alarm.h>
27 #include <rte_ether.h>
28 #include <rte_ethdev_driver.h>
29 #include <rte_ethdev_pci.h>
30 #include <rte_malloc.h>
31 #include <rte_dev.h>
32
33 #include "i40e_logs.h"
34 #include "base/i40e_prototype.h"
35 #include "base/i40e_adminq_cmd.h"
36 #include "base/i40e_type.h"
37
38 #include "i40e_rxtx.h"
39 #include "i40e_ethdev.h"
40 #include "i40e_pf.h"
41
42 /* busy wait delay in msec */
43 #define I40EVF_BUSY_WAIT_DELAY 10
44 #define I40EVF_BUSY_WAIT_COUNT 50
45 #define MAX_RESET_WAIT_CNT     20
46
47 #define I40EVF_ALARM_INTERVAL 50000 /* us */
48
49 struct i40evf_arq_msg_info {
50         enum virtchnl_ops ops;
51         enum i40e_status_code result;
52         uint16_t buf_len;
53         uint16_t msg_len;
54         uint8_t *msg;
55 };
56
57 struct vf_cmd_info {
58         enum virtchnl_ops ops;
59         uint8_t *in_args;
60         uint32_t in_args_size;
61         uint8_t *out_buffer;
62         /* Input & output type. pass in buffer size and pass out
63          * actual return result
64          */
65         uint32_t out_size;
66 };
67
68 enum i40evf_aq_result {
69         I40EVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
70         I40EVF_MSG_NON,      /* Read nothing from admin queue */
71         I40EVF_MSG_SYS,      /* Read system msg from admin queue */
72         I40EVF_MSG_CMD,      /* Read async command result */
73 };
74
75 static int i40evf_dev_configure(struct rte_eth_dev *dev);
76 static int i40evf_dev_start(struct rte_eth_dev *dev);
77 static void i40evf_dev_stop(struct rte_eth_dev *dev);
78 static void i40evf_dev_info_get(struct rte_eth_dev *dev,
79                                 struct rte_eth_dev_info *dev_info);
80 static int i40evf_dev_link_update(struct rte_eth_dev *dev,
81                                   int wait_to_complete);
82 static int i40evf_dev_stats_get(struct rte_eth_dev *dev,
83                                 struct rte_eth_stats *stats);
84 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
85                                  struct rte_eth_xstat *xstats, unsigned n);
86 static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
87                                        struct rte_eth_xstat_name *xstats_names,
88                                        unsigned limit);
89 static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev);
90 static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
91                                   uint16_t vlan_id, int on);
92 static int i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
93 static void i40evf_dev_close(struct rte_eth_dev *dev);
94 static int  i40evf_dev_reset(struct rte_eth_dev *dev);
95 static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
96 static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
97 static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
98 static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev);
99 static int i40evf_init_vlan(struct rte_eth_dev *dev);
100 static int i40evf_dev_rx_queue_start(struct rte_eth_dev *dev,
101                                      uint16_t rx_queue_id);
102 static int i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev,
103                                     uint16_t rx_queue_id);
104 static int i40evf_dev_tx_queue_start(struct rte_eth_dev *dev,
105                                      uint16_t tx_queue_id);
106 static int i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev,
107                                     uint16_t tx_queue_id);
108 static int i40evf_add_mac_addr(struct rte_eth_dev *dev,
109                                struct ether_addr *addr,
110                                uint32_t index,
111                                uint32_t pool);
112 static void i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
113 static int i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
114                         struct rte_eth_rss_reta_entry64 *reta_conf,
115                         uint16_t reta_size);
116 static int i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
117                         struct rte_eth_rss_reta_entry64 *reta_conf,
118                         uint16_t reta_size);
119 static int i40evf_config_rss(struct i40e_vf *vf);
120 static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
121                                       struct rte_eth_rss_conf *rss_conf);
122 static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
123                                         struct rte_eth_rss_conf *rss_conf);
124 static int i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
125 static int i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
126                                         struct ether_addr *mac_addr);
127 static int
128 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
129 static int
130 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
131 static void i40evf_handle_pf_event(struct rte_eth_dev *dev,
132                                    uint8_t *msg,
133                                    uint16_t msglen);
134
135 static int
136 i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
137                         struct ether_addr *mc_addr_set,
138                         uint32_t nb_mc_addr, bool add);
139 static int
140 i40evf_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
141                         uint32_t nb_mc_addr);
142
143 /* Default hash key buffer for RSS */
144 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
145
146 struct rte_i40evf_xstats_name_off {
147         char name[RTE_ETH_XSTATS_NAME_SIZE];
148         unsigned offset;
149 };
150
151 static const struct rte_i40evf_xstats_name_off rte_i40evf_stats_strings[] = {
152         {"rx_bytes", offsetof(struct i40e_eth_stats, rx_bytes)},
153         {"rx_unicast_packets", offsetof(struct i40e_eth_stats, rx_unicast)},
154         {"rx_multicast_packets", offsetof(struct i40e_eth_stats, rx_multicast)},
155         {"rx_broadcast_packets", offsetof(struct i40e_eth_stats, rx_broadcast)},
156         {"rx_dropped_packets", offsetof(struct i40e_eth_stats, rx_discards)},
157         {"rx_unknown_protocol_packets", offsetof(struct i40e_eth_stats,
158                 rx_unknown_protocol)},
159         {"tx_bytes", offsetof(struct i40e_eth_stats, tx_bytes)},
160         {"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_unicast)},
161         {"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_multicast)},
162         {"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_broadcast)},
163         {"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_discards)},
164         {"tx_error_packets", offsetof(struct i40e_eth_stats, tx_errors)},
165 };
166
167 #define I40EVF_NB_XSTATS (sizeof(rte_i40evf_stats_strings) / \
168                 sizeof(rte_i40evf_stats_strings[0]))
169
170 static const struct eth_dev_ops i40evf_eth_dev_ops = {
171         .dev_configure        = i40evf_dev_configure,
172         .dev_start            = i40evf_dev_start,
173         .dev_stop             = i40evf_dev_stop,
174         .promiscuous_enable   = i40evf_dev_promiscuous_enable,
175         .promiscuous_disable  = i40evf_dev_promiscuous_disable,
176         .allmulticast_enable  = i40evf_dev_allmulticast_enable,
177         .allmulticast_disable = i40evf_dev_allmulticast_disable,
178         .link_update          = i40evf_dev_link_update,
179         .stats_get            = i40evf_dev_stats_get,
180         .stats_reset          = i40evf_dev_xstats_reset,
181         .xstats_get           = i40evf_dev_xstats_get,
182         .xstats_get_names     = i40evf_dev_xstats_get_names,
183         .xstats_reset         = i40evf_dev_xstats_reset,
184         .dev_close            = i40evf_dev_close,
185         .dev_reset            = i40evf_dev_reset,
186         .dev_infos_get        = i40evf_dev_info_get,
187         .dev_supported_ptypes_get = i40e_dev_supported_ptypes_get,
188         .vlan_filter_set      = i40evf_vlan_filter_set,
189         .vlan_offload_set     = i40evf_vlan_offload_set,
190         .rx_queue_start       = i40evf_dev_rx_queue_start,
191         .rx_queue_stop        = i40evf_dev_rx_queue_stop,
192         .tx_queue_start       = i40evf_dev_tx_queue_start,
193         .tx_queue_stop        = i40evf_dev_tx_queue_stop,
194         .rx_queue_setup       = i40e_dev_rx_queue_setup,
195         .rx_queue_release     = i40e_dev_rx_queue_release,
196         .rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
197         .rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
198         .rx_descriptor_done   = i40e_dev_rx_descriptor_done,
199         .rx_descriptor_status = i40e_dev_rx_descriptor_status,
200         .tx_descriptor_status = i40e_dev_tx_descriptor_status,
201         .tx_queue_setup       = i40e_dev_tx_queue_setup,
202         .tx_queue_release     = i40e_dev_tx_queue_release,
203         .rx_queue_count       = i40e_dev_rx_queue_count,
204         .rxq_info_get         = i40e_rxq_info_get,
205         .txq_info_get         = i40e_txq_info_get,
206         .mac_addr_add         = i40evf_add_mac_addr,
207         .mac_addr_remove      = i40evf_del_mac_addr,
208         .set_mc_addr_list     = i40evf_set_mc_addr_list,
209         .reta_update          = i40evf_dev_rss_reta_update,
210         .reta_query           = i40evf_dev_rss_reta_query,
211         .rss_hash_update      = i40evf_dev_rss_hash_update,
212         .rss_hash_conf_get    = i40evf_dev_rss_hash_conf_get,
213         .mtu_set              = i40evf_dev_mtu_set,
214         .mac_addr_set         = i40evf_set_default_mac_addr,
215 };
216
217 /*
218  * Read data in admin queue to get msg from pf driver
219  */
220 static enum i40evf_aq_result
221 i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
222 {
223         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
224         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
225         struct i40e_arq_event_info event;
226         enum virtchnl_ops opcode;
227         enum i40e_status_code retval;
228         int ret;
229         enum i40evf_aq_result result = I40EVF_MSG_NON;
230
231         event.buf_len = data->buf_len;
232         event.msg_buf = data->msg;
233         ret = i40e_clean_arq_element(hw, &event, NULL);
234         /* Can't read any msg from adminQ */
235         if (ret) {
236                 if (ret != I40E_ERR_ADMIN_QUEUE_NO_WORK)
237                         result = I40EVF_MSG_ERR;
238                 return result;
239         }
240
241         opcode = (enum virtchnl_ops)rte_le_to_cpu_32(event.desc.cookie_high);
242         retval = (enum i40e_status_code)rte_le_to_cpu_32(event.desc.cookie_low);
243         /* pf sys event */
244         if (opcode == VIRTCHNL_OP_EVENT) {
245                 struct virtchnl_pf_event *vpe =
246                         (struct virtchnl_pf_event *)event.msg_buf;
247
248                 result = I40EVF_MSG_SYS;
249                 switch (vpe->event) {
250                 case VIRTCHNL_EVENT_LINK_CHANGE:
251                         vf->link_up =
252                                 vpe->event_data.link_event.link_status;
253                         vf->link_speed =
254                                 vpe->event_data.link_event.link_speed;
255                         vf->pend_msg |= PFMSG_LINK_CHANGE;
256                         PMD_DRV_LOG(INFO, "Link status update:%s",
257                                     vf->link_up ? "up" : "down");
258                         break;
259                 case VIRTCHNL_EVENT_RESET_IMPENDING:
260                         vf->vf_reset = true;
261                         vf->pend_msg |= PFMSG_RESET_IMPENDING;
262                         PMD_DRV_LOG(INFO, "vf is reseting");
263                         break;
264                 case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
265                         vf->dev_closed = true;
266                         vf->pend_msg |= PFMSG_DRIVER_CLOSE;
267                         PMD_DRV_LOG(INFO, "PF driver closed");
268                         break;
269                 default:
270                         PMD_DRV_LOG(ERR, "%s: Unknown event %d from pf",
271                                     __func__, vpe->event);
272                 }
273         } else {
274                 /* async reply msg on command issued by vf previously */
275                 result = I40EVF_MSG_CMD;
276                 /* Actual data length read from PF */
277                 data->msg_len = event.msg_len;
278         }
279
280         data->result = retval;
281         data->ops = opcode;
282
283         return result;
284 }
285
286 /**
287  * clear current command. Only call in case execute
288  * _atomic_set_cmd successfully.
289  */
290 static inline void
291 _clear_cmd(struct i40e_vf *vf)
292 {
293         rte_wmb();
294         vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
295 }
296
297 /*
298  * Check there is pending cmd in execution. If none, set new command.
299  */
300 static inline int
301 _atomic_set_cmd(struct i40e_vf *vf, enum virtchnl_ops ops)
302 {
303         int ret = rte_atomic32_cmpset(&vf->pend_cmd,
304                         VIRTCHNL_OP_UNKNOWN, ops);
305
306         if (!ret)
307                 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
308
309         return !ret;
310 }
311
312 #define MAX_TRY_TIMES 200
313 #define ASQ_DELAY_MS  10
314
315 static int
316 i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
317 {
318         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
319         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
320         struct i40evf_arq_msg_info info;
321         enum i40evf_aq_result ret;
322         int err, i = 0;
323
324         if (_atomic_set_cmd(vf, args->ops))
325                 return -1;
326
327         info.msg = args->out_buffer;
328         info.buf_len = args->out_size;
329         info.ops = VIRTCHNL_OP_UNKNOWN;
330         info.result = I40E_SUCCESS;
331
332         err = i40e_aq_send_msg_to_pf(hw, args->ops, I40E_SUCCESS,
333                      args->in_args, args->in_args_size, NULL);
334         if (err) {
335                 PMD_DRV_LOG(ERR, "fail to send cmd %d", args->ops);
336                 _clear_cmd(vf);
337                 return err;
338         }
339
340         switch (args->ops) {
341         case VIRTCHNL_OP_RESET_VF:
342                 /*no need to process in this function */
343                 err = 0;
344                 break;
345         case VIRTCHNL_OP_VERSION:
346         case VIRTCHNL_OP_GET_VF_RESOURCES:
347                 /* for init adminq commands, need to poll the response */
348                 err = -1;
349                 do {
350                         ret = i40evf_read_pfmsg(dev, &info);
351                         vf->cmd_retval = info.result;
352                         if (ret == I40EVF_MSG_CMD) {
353                                 err = 0;
354                                 break;
355                         } else if (ret == I40EVF_MSG_ERR)
356                                 break;
357                         rte_delay_ms(ASQ_DELAY_MS);
358                         /* If don't read msg or read sys event, continue */
359                 } while (i++ < MAX_TRY_TIMES);
360                 _clear_cmd(vf);
361                 break;
362
363         default:
364                 /* for other adminq in running time, waiting the cmd done flag */
365                 err = -1;
366                 do {
367                         if (vf->pend_cmd == VIRTCHNL_OP_UNKNOWN) {
368                                 err = 0;
369                                 break;
370                         }
371                         rte_delay_ms(ASQ_DELAY_MS);
372                         /* If don't read msg or read sys event, continue */
373                 } while (i++ < MAX_TRY_TIMES);
374                 /* If there's no response is received, clear command */
375                 if (i >= MAX_TRY_TIMES) {
376                         PMD_DRV_LOG(WARNING, "No response for %d", args->ops);
377                         _clear_cmd(vf);
378                 }
379                 break;
380         }
381
382         return err | vf->cmd_retval;
383 }
384
385 /*
386  * Check API version with sync wait until version read or fail from admin queue
387  */
388 static int
389 i40evf_check_api_version(struct rte_eth_dev *dev)
390 {
391         struct virtchnl_version_info version, *pver;
392         int err;
393         struct vf_cmd_info args;
394         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
395
396         version.major = VIRTCHNL_VERSION_MAJOR;
397         version.minor = VIRTCHNL_VERSION_MINOR;
398
399         args.ops = VIRTCHNL_OP_VERSION;
400         args.in_args = (uint8_t *)&version;
401         args.in_args_size = sizeof(version);
402         args.out_buffer = vf->aq_resp;
403         args.out_size = I40E_AQ_BUF_SZ;
404
405         err = i40evf_execute_vf_cmd(dev, &args);
406         if (err) {
407                 PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION");
408                 return err;
409         }
410
411         pver = (struct virtchnl_version_info *)args.out_buffer;
412         vf->version_major = pver->major;
413         vf->version_minor = pver->minor;
414         if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
415                 (vf->version_minor <= VIRTCHNL_VERSION_MINOR))
416                 PMD_DRV_LOG(INFO, "Peer is Linux PF host");
417         else {
418                 PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
419                                         vf->version_major, vf->version_minor,
420                                                 VIRTCHNL_VERSION_MAJOR,
421                                                 VIRTCHNL_VERSION_MINOR);
422                 return -1;
423         }
424
425         return 0;
426 }
427
428 static int
429 i40evf_get_vf_resource(struct rte_eth_dev *dev)
430 {
431         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
432         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
433         int err;
434         struct vf_cmd_info args;
435         uint32_t caps, len;
436
437         args.ops = VIRTCHNL_OP_GET_VF_RESOURCES;
438         args.out_buffer = vf->aq_resp;
439         args.out_size = I40E_AQ_BUF_SZ;
440         if (PF_IS_V11(vf)) {
441                 caps = VIRTCHNL_VF_OFFLOAD_L2 |
442                        VIRTCHNL_VF_OFFLOAD_RSS_AQ |
443                        VIRTCHNL_VF_OFFLOAD_RSS_REG |
444                        VIRTCHNL_VF_OFFLOAD_VLAN |
445                        VIRTCHNL_VF_OFFLOAD_RX_POLLING;
446                 args.in_args = (uint8_t *)&caps;
447                 args.in_args_size = sizeof(caps);
448         } else {
449                 args.in_args = NULL;
450                 args.in_args_size = 0;
451         }
452         err = i40evf_execute_vf_cmd(dev, &args);
453
454         if (err) {
455                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE");
456                 return err;
457         }
458
459         len =  sizeof(struct virtchnl_vf_resource) +
460                 I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
461
462         rte_memcpy(vf->vf_res, args.out_buffer,
463                         RTE_MIN(args.out_size, len));
464         i40e_vf_parse_hw_config(hw, vf->vf_res);
465
466         return 0;
467 }
468
469 static int
470 i40evf_config_promisc(struct rte_eth_dev *dev,
471                       bool enable_unicast,
472                       bool enable_multicast)
473 {
474         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
475         int err;
476         struct vf_cmd_info args;
477         struct virtchnl_promisc_info promisc;
478
479         promisc.flags = 0;
480         promisc.vsi_id = vf->vsi_res->vsi_id;
481
482         if (enable_unicast)
483                 promisc.flags |= FLAG_VF_UNICAST_PROMISC;
484
485         if (enable_multicast)
486                 promisc.flags |= FLAG_VF_MULTICAST_PROMISC;
487
488         args.ops = VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
489         args.in_args = (uint8_t *)&promisc;
490         args.in_args_size = sizeof(promisc);
491         args.out_buffer = vf->aq_resp;
492         args.out_size = I40E_AQ_BUF_SZ;
493
494         err = i40evf_execute_vf_cmd(dev, &args);
495
496         if (err)
497                 PMD_DRV_LOG(ERR, "fail to execute command "
498                             "CONFIG_PROMISCUOUS_MODE");
499         return err;
500 }
501
502 static int
503 i40evf_enable_vlan_strip(struct rte_eth_dev *dev)
504 {
505         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
506         struct vf_cmd_info args;
507         int ret;
508
509         memset(&args, 0, sizeof(args));
510         args.ops = VIRTCHNL_OP_ENABLE_VLAN_STRIPPING;
511         args.in_args = NULL;
512         args.in_args_size = 0;
513         args.out_buffer = vf->aq_resp;
514         args.out_size = I40E_AQ_BUF_SZ;
515         ret = i40evf_execute_vf_cmd(dev, &args);
516         if (ret)
517                 PMD_DRV_LOG(ERR, "Failed to execute command of "
518                             "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING");
519
520         return ret;
521 }
522
523 static int
524 i40evf_disable_vlan_strip(struct rte_eth_dev *dev)
525 {
526         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
527         struct vf_cmd_info args;
528         int ret;
529
530         memset(&args, 0, sizeof(args));
531         args.ops = VIRTCHNL_OP_DISABLE_VLAN_STRIPPING;
532         args.in_args = NULL;
533         args.in_args_size = 0;
534         args.out_buffer = vf->aq_resp;
535         args.out_size = I40E_AQ_BUF_SZ;
536         ret = i40evf_execute_vf_cmd(dev, &args);
537         if (ret)
538                 PMD_DRV_LOG(ERR, "Failed to execute command of "
539                             "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING");
540
541         return ret;
542 }
543
544 static void
545 i40evf_fill_virtchnl_vsi_txq_info(struct virtchnl_txq_info *txq_info,
546                                   uint16_t vsi_id,
547                                   uint16_t queue_id,
548                                   uint16_t nb_txq,
549                                   struct i40e_tx_queue *txq)
550 {
551         txq_info->vsi_id = vsi_id;
552         txq_info->queue_id = queue_id;
553         if (queue_id < nb_txq) {
554                 txq_info->ring_len = txq->nb_tx_desc;
555                 txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
556         }
557 }
558
559 static void
560 i40evf_fill_virtchnl_vsi_rxq_info(struct virtchnl_rxq_info *rxq_info,
561                                   uint16_t vsi_id,
562                                   uint16_t queue_id,
563                                   uint16_t nb_rxq,
564                                   uint32_t max_pkt_size,
565                                   struct i40e_rx_queue *rxq)
566 {
567         rxq_info->vsi_id = vsi_id;
568         rxq_info->queue_id = queue_id;
569         rxq_info->max_pkt_size = max_pkt_size;
570         if (queue_id < nb_rxq) {
571                 rxq_info->ring_len = rxq->nb_rx_desc;
572                 rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
573                 rxq_info->databuffer_size =
574                         (rte_pktmbuf_data_room_size(rxq->mp) -
575                                 RTE_PKTMBUF_HEADROOM);
576         }
577 }
578
579 static int
580 i40evf_configure_vsi_queues(struct rte_eth_dev *dev)
581 {
582         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
583         struct i40e_rx_queue **rxq =
584                 (struct i40e_rx_queue **)dev->data->rx_queues;
585         struct i40e_tx_queue **txq =
586                 (struct i40e_tx_queue **)dev->data->tx_queues;
587         struct virtchnl_vsi_queue_config_info *vc_vqci;
588         struct virtchnl_queue_pair_info *vc_qpi;
589         struct vf_cmd_info args;
590         uint16_t i, nb_qp = vf->num_queue_pairs;
591         const uint32_t size =
592                 I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
593         uint8_t buff[size];
594         int ret;
595
596         memset(buff, 0, sizeof(buff));
597         vc_vqci = (struct virtchnl_vsi_queue_config_info *)buff;
598         vc_vqci->vsi_id = vf->vsi_res->vsi_id;
599         vc_vqci->num_queue_pairs = nb_qp;
600
601         for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
602                 i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
603                         vc_vqci->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
604                 i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
605                         vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
606                                         vf->max_pkt_len, rxq[i]);
607         }
608         memset(&args, 0, sizeof(args));
609         args.ops = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
610         args.in_args = (uint8_t *)vc_vqci;
611         args.in_args_size = size;
612         args.out_buffer = vf->aq_resp;
613         args.out_size = I40E_AQ_BUF_SZ;
614         ret = i40evf_execute_vf_cmd(dev, &args);
615         if (ret)
616                 PMD_DRV_LOG(ERR, "Failed to execute command of "
617                         "VIRTCHNL_OP_CONFIG_VSI_QUEUES");
618
619         return ret;
620 }
621
622 static int
623 i40evf_config_irq_map(struct rte_eth_dev *dev)
624 {
625         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
626         struct vf_cmd_info args;
627         uint8_t cmd_buffer[sizeof(struct virtchnl_irq_map_info) + \
628                 sizeof(struct virtchnl_vector_map)];
629         struct virtchnl_irq_map_info *map_info;
630         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
631         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
632         uint32_t vector_id;
633         int i, err;
634
635         if (dev->data->dev_conf.intr_conf.rxq != 0 &&
636             rte_intr_allow_others(intr_handle))
637                 vector_id = I40E_RX_VEC_START;
638         else
639                 vector_id = I40E_MISC_VEC_ID;
640
641         map_info = (struct virtchnl_irq_map_info *)cmd_buffer;
642         map_info->num_vectors = 1;
643         map_info->vecmap[0].rxitr_idx = I40E_ITR_INDEX_DEFAULT;
644         map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
645         /* Alway use default dynamic MSIX interrupt */
646         map_info->vecmap[0].vector_id = vector_id;
647         /* Don't map any tx queue */
648         map_info->vecmap[0].txq_map = 0;
649         map_info->vecmap[0].rxq_map = 0;
650         for (i = 0; i < dev->data->nb_rx_queues; i++) {
651                 map_info->vecmap[0].rxq_map |= 1 << i;
652                 if (rte_intr_dp_is_en(intr_handle))
653                         intr_handle->intr_vec[i] = vector_id;
654         }
655
656         args.ops = VIRTCHNL_OP_CONFIG_IRQ_MAP;
657         args.in_args = (u8 *)cmd_buffer;
658         args.in_args_size = sizeof(cmd_buffer);
659         args.out_buffer = vf->aq_resp;
660         args.out_size = I40E_AQ_BUF_SZ;
661         err = i40evf_execute_vf_cmd(dev, &args);
662         if (err)
663                 PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES");
664
665         return err;
666 }
667
668 static int
669 i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid,
670                                 bool on)
671 {
672         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
673         struct virtchnl_queue_select queue_select;
674         int err;
675         struct vf_cmd_info args;
676         memset(&queue_select, 0, sizeof(queue_select));
677         queue_select.vsi_id = vf->vsi_res->vsi_id;
678
679         if (isrx)
680                 queue_select.rx_queues |= 1 << qid;
681         else
682                 queue_select.tx_queues |= 1 << qid;
683
684         if (on)
685                 args.ops = VIRTCHNL_OP_ENABLE_QUEUES;
686         else
687                 args.ops = VIRTCHNL_OP_DISABLE_QUEUES;
688         args.in_args = (u8 *)&queue_select;
689         args.in_args_size = sizeof(queue_select);
690         args.out_buffer = vf->aq_resp;
691         args.out_size = I40E_AQ_BUF_SZ;
692         err = i40evf_execute_vf_cmd(dev, &args);
693         if (err)
694                 PMD_DRV_LOG(ERR, "fail to switch %s %u %s",
695                             isrx ? "RX" : "TX", qid, on ? "on" : "off");
696
697         return err;
698 }
699
700 static int
701 i40evf_start_queues(struct rte_eth_dev *dev)
702 {
703         struct rte_eth_dev_data *dev_data = dev->data;
704         int i;
705         struct i40e_rx_queue *rxq;
706         struct i40e_tx_queue *txq;
707
708         for (i = 0; i < dev->data->nb_rx_queues; i++) {
709                 rxq = dev_data->rx_queues[i];
710                 if (rxq->rx_deferred_start)
711                         continue;
712                 if (i40evf_dev_rx_queue_start(dev, i) != 0) {
713                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
714                         return -1;
715                 }
716         }
717
718         for (i = 0; i < dev->data->nb_tx_queues; i++) {
719                 txq = dev_data->tx_queues[i];
720                 if (txq->tx_deferred_start)
721                         continue;
722                 if (i40evf_dev_tx_queue_start(dev, i) != 0) {
723                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
724                         return -1;
725                 }
726         }
727
728         return 0;
729 }
730
731 static int
732 i40evf_stop_queues(struct rte_eth_dev *dev)
733 {
734         int i;
735
736         /* Stop TX queues first */
737         for (i = 0; i < dev->data->nb_tx_queues; i++) {
738                 if (i40evf_dev_tx_queue_stop(dev, i) != 0) {
739                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
740                         return -1;
741                 }
742         }
743
744         /* Then stop RX queues */
745         for (i = 0; i < dev->data->nb_rx_queues; i++) {
746                 if (i40evf_dev_rx_queue_stop(dev, i) != 0) {
747                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
748                         return -1;
749                 }
750         }
751
752         return 0;
753 }
754
755 static int
756 i40evf_add_mac_addr(struct rte_eth_dev *dev,
757                     struct ether_addr *addr,
758                     __rte_unused uint32_t index,
759                     __rte_unused uint32_t pool)
760 {
761         struct virtchnl_ether_addr_list *list;
762         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
763         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
764                         sizeof(struct virtchnl_ether_addr)];
765         int err;
766         struct vf_cmd_info args;
767
768         if (is_zero_ether_addr(addr)) {
769                 PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
770                             addr->addr_bytes[0], addr->addr_bytes[1],
771                             addr->addr_bytes[2], addr->addr_bytes[3],
772                             addr->addr_bytes[4], addr->addr_bytes[5]);
773                 return I40E_ERR_INVALID_MAC_ADDR;
774         }
775
776         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
777         list->vsi_id = vf->vsi_res->vsi_id;
778         list->num_elements = 1;
779         rte_memcpy(list->list[0].addr, addr->addr_bytes,
780                                         sizeof(addr->addr_bytes));
781
782         args.ops = VIRTCHNL_OP_ADD_ETH_ADDR;
783         args.in_args = cmd_buffer;
784         args.in_args_size = sizeof(cmd_buffer);
785         args.out_buffer = vf->aq_resp;
786         args.out_size = I40E_AQ_BUF_SZ;
787         err = i40evf_execute_vf_cmd(dev, &args);
788         if (err)
789                 PMD_DRV_LOG(ERR, "fail to execute command "
790                             "OP_ADD_ETHER_ADDRESS");
791         else
792                 vf->vsi.mac_num++;
793
794         return err;
795 }
796
797 static void
798 i40evf_del_mac_addr_by_addr(struct rte_eth_dev *dev,
799                             struct ether_addr *addr)
800 {
801         struct virtchnl_ether_addr_list *list;
802         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
803         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
804                         sizeof(struct virtchnl_ether_addr)];
805         int err;
806         struct vf_cmd_info args;
807
808         if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
809                 PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x",
810                             addr->addr_bytes[0], addr->addr_bytes[1],
811                             addr->addr_bytes[2], addr->addr_bytes[3],
812                             addr->addr_bytes[4], addr->addr_bytes[5]);
813                 return;
814         }
815
816         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
817         list->vsi_id = vf->vsi_res->vsi_id;
818         list->num_elements = 1;
819         rte_memcpy(list->list[0].addr, addr->addr_bytes,
820                         sizeof(addr->addr_bytes));
821
822         args.ops = VIRTCHNL_OP_DEL_ETH_ADDR;
823         args.in_args = cmd_buffer;
824         args.in_args_size = sizeof(cmd_buffer);
825         args.out_buffer = vf->aq_resp;
826         args.out_size = I40E_AQ_BUF_SZ;
827         err = i40evf_execute_vf_cmd(dev, &args);
828         if (err)
829                 PMD_DRV_LOG(ERR, "fail to execute command "
830                             "OP_DEL_ETHER_ADDRESS");
831         else
832                 vf->vsi.mac_num--;
833         return;
834 }
835
836 static void
837 i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
838 {
839         struct rte_eth_dev_data *data = dev->data;
840         struct ether_addr *addr;
841
842         addr = &data->mac_addrs[index];
843
844         i40evf_del_mac_addr_by_addr(dev, addr);
845 }
846
847 static int
848 i40evf_query_stats(struct rte_eth_dev *dev, struct i40e_eth_stats **pstats)
849 {
850         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
851         struct virtchnl_queue_select q_stats;
852         int err;
853         struct vf_cmd_info args;
854
855         memset(&q_stats, 0, sizeof(q_stats));
856         q_stats.vsi_id = vf->vsi_res->vsi_id;
857         args.ops = VIRTCHNL_OP_GET_STATS;
858         args.in_args = (u8 *)&q_stats;
859         args.in_args_size = sizeof(q_stats);
860         args.out_buffer = vf->aq_resp;
861         args.out_size = I40E_AQ_BUF_SZ;
862
863         err = i40evf_execute_vf_cmd(dev, &args);
864         if (err) {
865                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
866                 *pstats = NULL;
867                 return err;
868         }
869         *pstats = (struct i40e_eth_stats *)args.out_buffer;
870         return 0;
871 }
872
873 static void
874 i40evf_stat_update_48(uint64_t *offset,
875                    uint64_t *stat)
876 {
877         if (*stat >= *offset)
878                 *stat = *stat - *offset;
879         else
880                 *stat = (uint64_t)((*stat +
881                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
882
883         *stat &= I40E_48_BIT_MASK;
884 }
885
886 static void
887 i40evf_stat_update_32(uint64_t *offset,
888                    uint64_t *stat)
889 {
890         if (*stat >= *offset)
891                 *stat = (uint64_t)(*stat - *offset);
892         else
893                 *stat = (uint64_t)((*stat +
894                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
895 }
896
897 static void
898 i40evf_update_stats(struct i40e_vsi *vsi,
899                                         struct i40e_eth_stats *nes)
900 {
901         struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
902
903         i40evf_stat_update_48(&oes->rx_bytes,
904                             &nes->rx_bytes);
905         i40evf_stat_update_48(&oes->rx_unicast,
906                             &nes->rx_unicast);
907         i40evf_stat_update_48(&oes->rx_multicast,
908                             &nes->rx_multicast);
909         i40evf_stat_update_48(&oes->rx_broadcast,
910                             &nes->rx_broadcast);
911         i40evf_stat_update_32(&oes->rx_discards,
912                                 &nes->rx_discards);
913         i40evf_stat_update_32(&oes->rx_unknown_protocol,
914                             &nes->rx_unknown_protocol);
915         i40evf_stat_update_48(&oes->tx_bytes,
916                             &nes->tx_bytes);
917         i40evf_stat_update_48(&oes->tx_unicast,
918                             &nes->tx_unicast);
919         i40evf_stat_update_48(&oes->tx_multicast,
920                             &nes->tx_multicast);
921         i40evf_stat_update_48(&oes->tx_broadcast,
922                             &nes->tx_broadcast);
923         i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
924         i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
925 }
926
927 static void
928 i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
929 {
930         int ret;
931         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
932         struct i40e_eth_stats *pstats = NULL;
933
934         /* read stat values to clear hardware registers */
935         ret = i40evf_query_stats(dev, &pstats);
936
937         /* set stats offset base on current values */
938         if (ret == 0)
939                 vf->vsi.eth_stats_offset = *pstats;
940 }
941
942 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
943                                       struct rte_eth_xstat_name *xstats_names,
944                                       __rte_unused unsigned limit)
945 {
946         unsigned i;
947
948         if (xstats_names != NULL)
949                 for (i = 0; i < I40EVF_NB_XSTATS; i++) {
950                         snprintf(xstats_names[i].name,
951                                 sizeof(xstats_names[i].name),
952                                 "%s", rte_i40evf_stats_strings[i].name);
953                 }
954         return I40EVF_NB_XSTATS;
955 }
956
957 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
958                                  struct rte_eth_xstat *xstats, unsigned n)
959 {
960         int ret;
961         unsigned i;
962         struct i40e_eth_stats *pstats = NULL;
963         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
964         struct i40e_vsi *vsi = &vf->vsi;
965
966         if (n < I40EVF_NB_XSTATS)
967                 return I40EVF_NB_XSTATS;
968
969         ret = i40evf_query_stats(dev, &pstats);
970         if (ret != 0)
971                 return 0;
972
973         if (!xstats)
974                 return 0;
975
976         i40evf_update_stats(vsi, pstats);
977
978         /* loop over xstats array and values from pstats */
979         for (i = 0; i < I40EVF_NB_XSTATS; i++) {
980                 xstats[i].id = i;
981                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
982                         rte_i40evf_stats_strings[i].offset);
983         }
984
985         return I40EVF_NB_XSTATS;
986 }
987
988 static int
989 i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
990 {
991         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
992         struct virtchnl_vlan_filter_list *vlan_list;
993         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
994                                                         sizeof(uint16_t)];
995         int err;
996         struct vf_cmd_info args;
997
998         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
999         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1000         vlan_list->num_elements = 1;
1001         vlan_list->vlan_id[0] = vlanid;
1002
1003         args.ops = VIRTCHNL_OP_ADD_VLAN;
1004         args.in_args = (u8 *)&cmd_buffer;
1005         args.in_args_size = sizeof(cmd_buffer);
1006         args.out_buffer = vf->aq_resp;
1007         args.out_size = I40E_AQ_BUF_SZ;
1008         err = i40evf_execute_vf_cmd(dev, &args);
1009         if (err)
1010                 PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN");
1011
1012         return err;
1013 }
1014
1015 static int
1016 i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
1017 {
1018         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1019         struct virtchnl_vlan_filter_list *vlan_list;
1020         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
1021                                                         sizeof(uint16_t)];
1022         int err;
1023         struct vf_cmd_info args;
1024
1025         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
1026         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1027         vlan_list->num_elements = 1;
1028         vlan_list->vlan_id[0] = vlanid;
1029
1030         args.ops = VIRTCHNL_OP_DEL_VLAN;
1031         args.in_args = (u8 *)&cmd_buffer;
1032         args.in_args_size = sizeof(cmd_buffer);
1033         args.out_buffer = vf->aq_resp;
1034         args.out_size = I40E_AQ_BUF_SZ;
1035         err = i40evf_execute_vf_cmd(dev, &args);
1036         if (err)
1037                 PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN");
1038
1039         return err;
1040 }
1041
1042 static const struct rte_pci_id pci_id_i40evf_map[] = {
1043         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF) },
1044         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF_HV) },
1045         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_A0_VF) },
1046         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF) },
1047         { .vendor_id = 0, /* sentinel */ },
1048 };
1049
1050 /* Disable IRQ0 */
1051 static inline void
1052 i40evf_disable_irq0(struct i40e_hw *hw)
1053 {
1054         /* Disable all interrupt types */
1055         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, 0);
1056         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1057                        I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1058         I40EVF_WRITE_FLUSH(hw);
1059 }
1060
1061 /* Enable IRQ0 */
1062 static inline void
1063 i40evf_enable_irq0(struct i40e_hw *hw)
1064 {
1065         /* Enable admin queue interrupt trigger */
1066         uint32_t val;
1067
1068         i40evf_disable_irq0(hw);
1069         val = I40E_READ_REG(hw, I40E_VFINT_ICR0_ENA1);
1070         val |= I40E_VFINT_ICR0_ENA1_ADMINQ_MASK |
1071                 I40E_VFINT_ICR0_ENA1_LINK_STAT_CHANGE_MASK;
1072         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, val);
1073
1074         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1075                 I40E_VFINT_DYN_CTL01_INTENA_MASK |
1076                 I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1077                 I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1078
1079         I40EVF_WRITE_FLUSH(hw);
1080 }
1081
1082 static int
1083 i40evf_check_vf_reset_done(struct rte_eth_dev *dev)
1084 {
1085         int i, reset;
1086         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1087         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1088
1089         for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
1090                 reset = I40E_READ_REG(hw, I40E_VFGEN_RSTAT) &
1091                         I40E_VFGEN_RSTAT_VFR_STATE_MASK;
1092                 reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
1093                 if (reset == VIRTCHNL_VFR_VFACTIVE ||
1094                     reset == VIRTCHNL_VFR_COMPLETED)
1095                         break;
1096                 rte_delay_ms(50);
1097         }
1098
1099         if (i >= MAX_RESET_WAIT_CNT)
1100                 return -1;
1101
1102         vf->vf_reset = false;
1103         vf->pend_msg &= ~PFMSG_RESET_IMPENDING;
1104
1105         return 0;
1106 }
1107 static int
1108 i40evf_reset_vf(struct rte_eth_dev *dev)
1109 {
1110         int ret;
1111         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1112
1113         if (i40e_vf_reset(hw) != I40E_SUCCESS) {
1114                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1115                 return -1;
1116         }
1117         /**
1118           * After issuing vf reset command to pf, pf won't necessarily
1119           * reset vf, it depends on what state it exactly is. If it's not
1120           * initialized yet, it won't have vf reset since it's in a certain
1121           * state. If not, it will try to reset. Even vf is reset, pf will
1122           * set I40E_VFGEN_RSTAT to COMPLETE first, then wait 10ms and set
1123           * it to ACTIVE. In this duration, vf may not catch the moment that
1124           * COMPLETE is set. So, for vf, we'll try to wait a long time.
1125           */
1126         rte_delay_ms(200);
1127
1128         ret = i40evf_check_vf_reset_done(dev);
1129         if (ret) {
1130                 PMD_INIT_LOG(ERR, "VF is still resetting");
1131                 return ret;
1132         }
1133
1134         return 0;
1135 }
1136
1137 static int
1138 i40evf_init_vf(struct rte_eth_dev *dev)
1139 {
1140         int i, err, bufsz;
1141         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1142         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1143         uint16_t interval =
1144                 i40e_calc_itr_interval(0, 0);
1145
1146         vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1147         vf->dev_data = dev->data;
1148         err = i40e_set_mac_type(hw);
1149         if (err) {
1150                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1151                 goto err;
1152         }
1153
1154         err = i40evf_check_vf_reset_done(dev);
1155         if (err)
1156                 goto err;
1157
1158         i40e_init_adminq_parameter(hw);
1159         err = i40e_init_adminq(hw);
1160         if (err) {
1161                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1162                 goto err;
1163         }
1164
1165         /* Reset VF and wait until it's complete */
1166         if (i40evf_reset_vf(dev)) {
1167                 PMD_INIT_LOG(ERR, "reset NIC failed");
1168                 goto err_aq;
1169         }
1170
1171         /* VF reset, shutdown admin queue and initialize again */
1172         if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
1173                 PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed");
1174                 goto err;
1175         }
1176
1177         i40e_init_adminq_parameter(hw);
1178         if (i40e_init_adminq(hw) != I40E_SUCCESS) {
1179                 PMD_INIT_LOG(ERR, "init_adminq failed");
1180                 goto err;
1181         }
1182
1183         vf->aq_resp = rte_zmalloc("vf_aq_resp", I40E_AQ_BUF_SZ, 0);
1184         if (!vf->aq_resp) {
1185                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1186                 goto err_aq;
1187         }
1188         if (i40evf_check_api_version(dev) != 0) {
1189                 PMD_INIT_LOG(ERR, "check_api version failed");
1190                 goto err_api;
1191         }
1192         bufsz = sizeof(struct virtchnl_vf_resource) +
1193                 (I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1194         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1195         if (!vf->vf_res) {
1196                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1197                 goto err_api;
1198         }
1199
1200         if (i40evf_get_vf_resource(dev) != 0) {
1201                 PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed");
1202                 goto err_alloc;
1203         }
1204
1205         /* got VF config message back from PF, now we can parse it */
1206         for (i = 0; i < vf->vf_res->num_vsis; i++) {
1207                 if (vf->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
1208                         vf->vsi_res = &vf->vf_res->vsi_res[i];
1209         }
1210
1211         if (!vf->vsi_res) {
1212                 PMD_INIT_LOG(ERR, "no LAN VSI found");
1213                 goto err_alloc;
1214         }
1215
1216         if (hw->mac.type == I40E_MAC_X722_VF)
1217                 vf->flags = I40E_FLAG_RSS_AQ_CAPABLE;
1218         vf->vsi.vsi_id = vf->vsi_res->vsi_id;
1219
1220         switch (vf->vsi_res->vsi_type) {
1221         case VIRTCHNL_VSI_SRIOV:
1222                 vf->vsi.type = I40E_VSI_SRIOV;
1223                 break;
1224         default:
1225                 vf->vsi.type = I40E_VSI_TYPE_UNKNOWN;
1226                 break;
1227         }
1228         vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
1229         vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1230
1231         /* Store the MAC address configured by host, or generate random one */
1232         if (is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1233                 vf->flags |= I40E_FLAG_VF_MAC_BY_PF;
1234         else
1235                 eth_random_addr(hw->mac.addr); /* Generate a random one */
1236
1237         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1238                        (I40E_ITR_INDEX_DEFAULT <<
1239                         I40E_VFINT_DYN_CTL0_ITR_INDX_SHIFT) |
1240                        (interval <<
1241                         I40E_VFINT_DYN_CTL0_INTERVAL_SHIFT));
1242         I40EVF_WRITE_FLUSH(hw);
1243
1244         return 0;
1245
1246 err_alloc:
1247         rte_free(vf->vf_res);
1248         vf->vsi_res = NULL;
1249 err_api:
1250         rte_free(vf->aq_resp);
1251 err_aq:
1252         i40e_shutdown_adminq(hw); /* ignore error */
1253 err:
1254         return -1;
1255 }
1256
1257 static int
1258 i40evf_uninit_vf(struct rte_eth_dev *dev)
1259 {
1260         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1261         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1262
1263         PMD_INIT_FUNC_TRACE();
1264
1265         if (hw->adapter_closed == 0)
1266                 i40evf_dev_close(dev);
1267         rte_free(vf->vf_res);
1268         vf->vf_res = NULL;
1269         rte_free(vf->aq_resp);
1270         vf->aq_resp = NULL;
1271
1272         return 0;
1273 }
1274
1275 static void
1276 i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
1277                 __rte_unused uint16_t msglen)
1278 {
1279         struct virtchnl_pf_event *pf_msg =
1280                         (struct virtchnl_pf_event *)msg;
1281         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1282
1283         switch (pf_msg->event) {
1284         case VIRTCHNL_EVENT_RESET_IMPENDING:
1285                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
1286                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
1287                                               NULL);
1288                 break;
1289         case VIRTCHNL_EVENT_LINK_CHANGE:
1290                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
1291                 vf->link_up = pf_msg->event_data.link_event.link_status;
1292                 vf->link_speed = pf_msg->event_data.link_event.link_speed;
1293                 break;
1294         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
1295                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
1296                 break;
1297         default:
1298                 PMD_DRV_LOG(ERR, " unknown event received %u", pf_msg->event);
1299                 break;
1300         }
1301 }
1302
1303 static void
1304 i40evf_handle_aq_msg(struct rte_eth_dev *dev)
1305 {
1306         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1307         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1308         struct i40e_arq_event_info info;
1309         uint16_t pending, aq_opc;
1310         enum virtchnl_ops msg_opc;
1311         enum i40e_status_code msg_ret;
1312         int ret;
1313
1314         info.buf_len = I40E_AQ_BUF_SZ;
1315         if (!vf->aq_resp) {
1316                 PMD_DRV_LOG(ERR, "Buffer for adminq resp should not be NULL");
1317                 return;
1318         }
1319         info.msg_buf = vf->aq_resp;
1320
1321         pending = 1;
1322         while (pending) {
1323                 ret = i40e_clean_arq_element(hw, &info, &pending);
1324
1325                 if (ret != I40E_SUCCESS) {
1326                         PMD_DRV_LOG(INFO, "Failed to read msg from AdminQ,"
1327                                     "ret: %d", ret);
1328                         break;
1329                 }
1330                 aq_opc = rte_le_to_cpu_16(info.desc.opcode);
1331                 /* For the message sent from pf to vf, opcode is stored in
1332                  * cookie_high of struct i40e_aq_desc, while return error code
1333                  * are stored in cookie_low, Which is done by
1334                  * i40e_aq_send_msg_to_vf in PF driver.*/
1335                 msg_opc = (enum virtchnl_ops)rte_le_to_cpu_32(
1336                                                   info.desc.cookie_high);
1337                 msg_ret = (enum i40e_status_code)rte_le_to_cpu_32(
1338                                                   info.desc.cookie_low);
1339                 switch (aq_opc) {
1340                 case i40e_aqc_opc_send_msg_to_vf:
1341                         if (msg_opc == VIRTCHNL_OP_EVENT)
1342                                 /* process event*/
1343                                 i40evf_handle_pf_event(dev, info.msg_buf,
1344                                                        info.msg_len);
1345                         else {
1346                                 /* read message and it's expected one */
1347                                 if (msg_opc == vf->pend_cmd) {
1348                                         vf->cmd_retval = msg_ret;
1349                                         /* prevent compiler reordering */
1350                                         rte_compiler_barrier();
1351                                         _clear_cmd(vf);
1352                                 } else
1353                                         PMD_DRV_LOG(ERR, "command mismatch,"
1354                                                 "expect %u, get %u",
1355                                                 vf->pend_cmd, msg_opc);
1356                                 PMD_DRV_LOG(DEBUG, "adminq response is received,"
1357                                              " opcode = %d", msg_opc);
1358                         }
1359                         break;
1360                 default:
1361                         PMD_DRV_LOG(ERR, "Request %u is not supported yet",
1362                                     aq_opc);
1363                         break;
1364                 }
1365         }
1366 }
1367
1368 /**
1369  * Interrupt handler triggered by NIC  for handling
1370  * specific interrupt. Only adminq interrupt is processed in VF.
1371  *
1372  * @param handle
1373  *  Pointer to interrupt handle.
1374  * @param param
1375  *  The address of parameter (struct rte_eth_dev *) regsitered before.
1376  *
1377  * @return
1378  *  void
1379  */
1380 static void
1381 i40evf_dev_alarm_handler(void *param)
1382 {
1383         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1384         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1385         uint32_t icr0;
1386
1387         i40evf_disable_irq0(hw);
1388
1389         /* read out interrupt causes */
1390         icr0 = I40E_READ_REG(hw, I40E_VFINT_ICR01);
1391
1392         /* No interrupt event indicated */
1393         if (!(icr0 & I40E_VFINT_ICR01_INTEVENT_MASK))
1394                 goto done;
1395
1396         if (icr0 & I40E_VFINT_ICR01_ADMINQ_MASK) {
1397                 PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported");
1398                 i40evf_handle_aq_msg(dev);
1399         }
1400
1401         /* Link Status Change interrupt */
1402         if (icr0 & I40E_VFINT_ICR01_LINK_STAT_CHANGE_MASK)
1403                 PMD_DRV_LOG(DEBUG, "LINK_STAT_CHANGE is reported,"
1404                                    " do nothing");
1405
1406 done:
1407         i40evf_enable_irq0(hw);
1408         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1409                           i40evf_dev_alarm_handler, dev);
1410 }
1411
1412 static int
1413 i40evf_dev_init(struct rte_eth_dev *eth_dev)
1414 {
1415         struct i40e_hw *hw
1416                 = I40E_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
1417         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1418
1419         PMD_INIT_FUNC_TRACE();
1420
1421         /* assign ops func pointer */
1422         eth_dev->dev_ops = &i40evf_eth_dev_ops;
1423         eth_dev->rx_pkt_burst = &i40e_recv_pkts;
1424         eth_dev->tx_pkt_burst = &i40e_xmit_pkts;
1425
1426         /*
1427          * For secondary processes, we don't initialise any further as primary
1428          * has already done this work.
1429          */
1430         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
1431                 i40e_set_rx_function(eth_dev);
1432                 i40e_set_tx_function(eth_dev);
1433                 return 0;
1434         }
1435         i40e_set_default_ptype_table(eth_dev);
1436         i40e_set_default_pctype_table(eth_dev);
1437         rte_eth_copy_pci_info(eth_dev, pci_dev);
1438
1439         hw->vendor_id = pci_dev->id.vendor_id;
1440         hw->device_id = pci_dev->id.device_id;
1441         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1442         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1443         hw->bus.device = pci_dev->addr.devid;
1444         hw->bus.func = pci_dev->addr.function;
1445         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1446         hw->adapter_stopped = 0;
1447         hw->adapter_closed = 0;
1448
1449         if(i40evf_init_vf(eth_dev) != 0) {
1450                 PMD_INIT_LOG(ERR, "Init vf failed");
1451                 return -1;
1452         }
1453
1454         rte_eal_alarm_set(I40EVF_ALARM_INTERVAL,
1455                           i40evf_dev_alarm_handler, eth_dev);
1456
1457         /* configure and enable device interrupt */
1458         i40evf_enable_irq0(hw);
1459
1460         /* copy mac addr */
1461         eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
1462                                         ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX,
1463                                         0);
1464         if (eth_dev->data->mac_addrs == NULL) {
1465                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1466                                 " store MAC addresses",
1467                                 ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX);
1468                 return -ENOMEM;
1469         }
1470         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1471                         &eth_dev->data->mac_addrs[0]);
1472
1473         return 0;
1474 }
1475
1476 static int
1477 i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
1478 {
1479         PMD_INIT_FUNC_TRACE();
1480
1481         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1482                 return -EPERM;
1483
1484         eth_dev->dev_ops = NULL;
1485         eth_dev->rx_pkt_burst = NULL;
1486         eth_dev->tx_pkt_burst = NULL;
1487
1488         if (i40evf_uninit_vf(eth_dev) != 0) {
1489                 PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
1490                 return -1;
1491         }
1492
1493         return 0;
1494 }
1495
1496 static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1497         struct rte_pci_device *pci_dev)
1498 {
1499         return rte_eth_dev_pci_generic_probe(pci_dev,
1500                 sizeof(struct i40e_adapter), i40evf_dev_init);
1501 }
1502
1503 static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
1504 {
1505         return rte_eth_dev_pci_generic_remove(pci_dev, i40evf_dev_uninit);
1506 }
1507
1508 /*
1509  * virtual function driver struct
1510  */
1511 static struct rte_pci_driver rte_i40evf_pmd = {
1512         .id_table = pci_id_i40evf_map,
1513         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA,
1514         .probe = eth_i40evf_pci_probe,
1515         .remove = eth_i40evf_pci_remove,
1516 };
1517
1518 RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd);
1519 RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
1520 RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio-pci");
1521
1522 static int
1523 i40evf_dev_configure(struct rte_eth_dev *dev)
1524 {
1525         struct i40e_adapter *ad =
1526                 I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1527
1528         /* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
1529          * allocation or vector Rx preconditions we will reset it.
1530          */
1531         ad->rx_bulk_alloc_allowed = true;
1532         ad->rx_vec_allowed = true;
1533         ad->tx_simple_allowed = true;
1534         ad->tx_vec_allowed = true;
1535
1536         return i40evf_init_vlan(dev);
1537 }
1538
1539 static int
1540 i40evf_init_vlan(struct rte_eth_dev *dev)
1541 {
1542         /* Apply vlan offload setting */
1543         i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
1544
1545         return 0;
1546 }
1547
1548 static int
1549 i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1550 {
1551         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1552         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1553
1554         if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN))
1555                 return -ENOTSUP;
1556
1557         /* Vlan stripping setting */
1558         if (mask & ETH_VLAN_STRIP_MASK) {
1559                 /* Enable or disable VLAN stripping */
1560                 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
1561                         i40evf_enable_vlan_strip(dev);
1562                 else
1563                         i40evf_disable_vlan_strip(dev);
1564         }
1565
1566         return 0;
1567 }
1568
1569 static int
1570 i40evf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1571 {
1572         struct i40e_rx_queue *rxq;
1573         int err;
1574         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1575
1576         PMD_INIT_FUNC_TRACE();
1577
1578         rxq = dev->data->rx_queues[rx_queue_id];
1579
1580         err = i40e_alloc_rx_queue_mbufs(rxq);
1581         if (err) {
1582                 PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
1583                 return err;
1584         }
1585
1586         rte_wmb();
1587
1588         /* Init the RX tail register. */
1589         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1590         I40EVF_WRITE_FLUSH(hw);
1591
1592         /* Ready to switch the queue on */
1593         err = i40evf_switch_queue(dev, TRUE, rx_queue_id, TRUE);
1594         if (err) {
1595                 PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
1596                             rx_queue_id);
1597                 return err;
1598         }
1599         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1600
1601         return 0;
1602 }
1603
1604 static int
1605 i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1606 {
1607         struct i40e_rx_queue *rxq;
1608         int err;
1609
1610         rxq = dev->data->rx_queues[rx_queue_id];
1611
1612         err = i40evf_switch_queue(dev, TRUE, rx_queue_id, FALSE);
1613         if (err) {
1614                 PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
1615                             rx_queue_id);
1616                 return err;
1617         }
1618
1619         i40e_rx_queue_release_mbufs(rxq);
1620         i40e_reset_rx_queue(rxq);
1621         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1622
1623         return 0;
1624 }
1625
1626 static int
1627 i40evf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1628 {
1629         int err;
1630
1631         PMD_INIT_FUNC_TRACE();
1632
1633         /* Ready to switch the queue on */
1634         err = i40evf_switch_queue(dev, FALSE, tx_queue_id, TRUE);
1635         if (err) {
1636                 PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
1637                             tx_queue_id);
1638                 return err;
1639         }
1640         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1641
1642         return 0;
1643 }
1644
1645 static int
1646 i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1647 {
1648         struct i40e_tx_queue *txq;
1649         int err;
1650
1651         txq = dev->data->tx_queues[tx_queue_id];
1652
1653         err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE);
1654         if (err) {
1655                 PMD_DRV_LOG(ERR, "Failed to switch TX queue %u off",
1656                             tx_queue_id);
1657                 return err;
1658         }
1659
1660         i40e_tx_queue_release_mbufs(txq);
1661         i40e_reset_tx_queue(txq);
1662         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1663
1664         return 0;
1665 }
1666
1667 static int
1668 i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1669 {
1670         int ret;
1671
1672         if (on)
1673                 ret = i40evf_add_vlan(dev, vlan_id);
1674         else
1675                 ret = i40evf_del_vlan(dev,vlan_id);
1676
1677         return ret;
1678 }
1679
1680 static int
1681 i40evf_rxq_init(struct rte_eth_dev *dev, struct i40e_rx_queue *rxq)
1682 {
1683         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1684         struct rte_eth_dev_data *dev_data = dev->data;
1685         struct rte_pktmbuf_pool_private *mbp_priv;
1686         uint16_t buf_size, len;
1687
1688         rxq->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(rxq->queue_id);
1689         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1690         I40EVF_WRITE_FLUSH(hw);
1691
1692         /* Calculate the maximum packet length allowed */
1693         mbp_priv = rte_mempool_get_priv(rxq->mp);
1694         buf_size = (uint16_t)(mbp_priv->mbuf_data_room_size -
1695                                         RTE_PKTMBUF_HEADROOM);
1696         rxq->hs_mode = i40e_header_split_none;
1697         rxq->rx_hdr_len = 0;
1698         rxq->rx_buf_len = RTE_ALIGN(buf_size, (1 << I40E_RXQ_CTX_DBUFF_SHIFT));
1699         len = rxq->rx_buf_len * I40E_MAX_CHAINED_RX_BUFFERS;
1700         rxq->max_pkt_len = RTE_MIN(len,
1701                 dev_data->dev_conf.rxmode.max_rx_pkt_len);
1702
1703         /**
1704          * Check if the jumbo frame and maximum packet length are set correctly
1705          */
1706         if (dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
1707                 if (rxq->max_pkt_len <= ETHER_MAX_LEN ||
1708                     rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
1709                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1710                                 "larger than %u and smaller than %u, as jumbo "
1711                                 "frame is enabled", (uint32_t)ETHER_MAX_LEN,
1712                                         (uint32_t)I40E_FRAME_SIZE_MAX);
1713                         return I40E_ERR_CONFIG;
1714                 }
1715         } else {
1716                 if (rxq->max_pkt_len < ETHER_MIN_LEN ||
1717                     rxq->max_pkt_len > ETHER_MAX_LEN) {
1718                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1719                                 "larger than %u and smaller than %u, as jumbo "
1720                                 "frame is disabled", (uint32_t)ETHER_MIN_LEN,
1721                                                 (uint32_t)ETHER_MAX_LEN);
1722                         return I40E_ERR_CONFIG;
1723                 }
1724         }
1725
1726         if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) ||
1727             (rxq->max_pkt_len + 2 * I40E_VLAN_TAG_SIZE) > buf_size) {
1728                 dev_data->scattered_rx = 1;
1729         }
1730
1731         return 0;
1732 }
1733
1734 static int
1735 i40evf_rx_init(struct rte_eth_dev *dev)
1736 {
1737         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1738         uint16_t i;
1739         int ret = I40E_SUCCESS;
1740         struct i40e_rx_queue **rxq =
1741                 (struct i40e_rx_queue **)dev->data->rx_queues;
1742
1743         i40evf_config_rss(vf);
1744         for (i = 0; i < dev->data->nb_rx_queues; i++) {
1745                 if (!rxq[i] || !rxq[i]->q_set)
1746                         continue;
1747                 ret = i40evf_rxq_init(dev, rxq[i]);
1748                 if (ret != I40E_SUCCESS)
1749                         break;
1750         }
1751         if (ret == I40E_SUCCESS)
1752                 i40e_set_rx_function(dev);
1753
1754         return ret;
1755 }
1756
1757 static void
1758 i40evf_tx_init(struct rte_eth_dev *dev)
1759 {
1760         uint16_t i;
1761         struct i40e_tx_queue **txq =
1762                 (struct i40e_tx_queue **)dev->data->tx_queues;
1763         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1764
1765         for (i = 0; i < dev->data->nb_tx_queues; i++)
1766                 txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i);
1767
1768         i40e_set_tx_function(dev);
1769 }
1770
1771 static inline void
1772 i40evf_enable_queues_intr(struct rte_eth_dev *dev)
1773 {
1774         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1775         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1776         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1777
1778         if (!rte_intr_allow_others(intr_handle)) {
1779                 I40E_WRITE_REG(hw,
1780                                I40E_VFINT_DYN_CTL01,
1781                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1782                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1783                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1784                 I40EVF_WRITE_FLUSH(hw);
1785                 return;
1786         }
1787
1788         I40EVF_WRITE_FLUSH(hw);
1789 }
1790
1791 static inline void
1792 i40evf_disable_queues_intr(struct rte_eth_dev *dev)
1793 {
1794         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1795         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1796         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1797
1798         if (!rte_intr_allow_others(intr_handle)) {
1799                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1800                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1801                 I40EVF_WRITE_FLUSH(hw);
1802                 return;
1803         }
1804
1805         I40EVF_WRITE_FLUSH(hw);
1806 }
1807
1808 static int
1809 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1810 {
1811         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1812         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1813         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1814         uint16_t interval =
1815                 i40e_calc_itr_interval(0, 0);
1816         uint16_t msix_intr;
1817
1818         msix_intr = intr_handle->intr_vec[queue_id];
1819         if (msix_intr == I40E_MISC_VEC_ID)
1820                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1821                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1822                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1823                                (0 << I40E_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
1824                                (interval <<
1825                                 I40E_VFINT_DYN_CTL01_INTERVAL_SHIFT));
1826         else
1827                 I40E_WRITE_REG(hw,
1828                                I40E_VFINT_DYN_CTLN1(msix_intr -
1829                                                     I40E_RX_VEC_START),
1830                                I40E_VFINT_DYN_CTLN1_INTENA_MASK |
1831                                I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
1832                                (0 << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
1833                                (interval <<
1834                                 I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
1835
1836         I40EVF_WRITE_FLUSH(hw);
1837
1838         return 0;
1839 }
1840
1841 static int
1842 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1843 {
1844         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1845         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1846         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1847         uint16_t msix_intr;
1848
1849         msix_intr = intr_handle->intr_vec[queue_id];
1850         if (msix_intr == I40E_MISC_VEC_ID)
1851                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
1852         else
1853                 I40E_WRITE_REG(hw,
1854                                I40E_VFINT_DYN_CTLN1(msix_intr -
1855                                                     I40E_RX_VEC_START),
1856                                0);
1857
1858         I40EVF_WRITE_FLUSH(hw);
1859
1860         return 0;
1861 }
1862
1863 static void
1864 i40evf_add_del_all_mac_addr(struct rte_eth_dev *dev, bool add)
1865 {
1866         struct virtchnl_ether_addr_list *list;
1867         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1868         int err, i, j;
1869         int next_begin = 0;
1870         int begin = 0;
1871         uint32_t len;
1872         struct ether_addr *addr;
1873         struct vf_cmd_info args;
1874
1875         do {
1876                 j = 0;
1877                 len = sizeof(struct virtchnl_ether_addr_list);
1878                 for (i = begin; i < I40E_NUM_MACADDR_MAX; i++, next_begin++) {
1879                         if (is_zero_ether_addr(&dev->data->mac_addrs[i]))
1880                                 continue;
1881                         len += sizeof(struct virtchnl_ether_addr);
1882                         if (len >= I40E_AQ_BUF_SZ) {
1883                                 next_begin = i + 1;
1884                                 break;
1885                         }
1886                 }
1887
1888                 list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
1889                 if (!list) {
1890                         PMD_DRV_LOG(ERR, "fail to allocate memory");
1891                         return;
1892                 }
1893
1894                 for (i = begin; i < next_begin; i++) {
1895                         addr = &dev->data->mac_addrs[i];
1896                         if (is_zero_ether_addr(addr))
1897                                 continue;
1898                         rte_memcpy(list->list[j].addr, addr->addr_bytes,
1899                                          sizeof(addr->addr_bytes));
1900                         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1901                                     addr->addr_bytes[0], addr->addr_bytes[1],
1902                                     addr->addr_bytes[2], addr->addr_bytes[3],
1903                                     addr->addr_bytes[4], addr->addr_bytes[5]);
1904                         j++;
1905                 }
1906                 list->vsi_id = vf->vsi_res->vsi_id;
1907                 list->num_elements = j;
1908                 args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1909                            VIRTCHNL_OP_DEL_ETH_ADDR;
1910                 args.in_args = (uint8_t *)list;
1911                 args.in_args_size = len;
1912                 args.out_buffer = vf->aq_resp;
1913                 args.out_size = I40E_AQ_BUF_SZ;
1914                 err = i40evf_execute_vf_cmd(dev, &args);
1915                 if (err) {
1916                         PMD_DRV_LOG(ERR, "fail to execute command %s",
1917                                     add ? "OP_ADD_ETHER_ADDRESS" :
1918                                     "OP_DEL_ETHER_ADDRESS");
1919                 } else {
1920                         if (add)
1921                                 vf->vsi.mac_num++;
1922                         else
1923                                 vf->vsi.mac_num--;
1924                 }
1925                 rte_free(list);
1926                 begin = next_begin;
1927         } while (begin < I40E_NUM_MACADDR_MAX);
1928 }
1929
1930 static int
1931 i40evf_dev_start(struct rte_eth_dev *dev)
1932 {
1933         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1934         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1935         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1936         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1937         uint32_t intr_vector = 0;
1938
1939         PMD_INIT_FUNC_TRACE();
1940
1941         hw->adapter_stopped = 0;
1942
1943         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
1944         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
1945                                         dev->data->nb_tx_queues);
1946
1947         /* check and configure queue intr-vector mapping */
1948         if (rte_intr_cap_multiple(intr_handle) &&
1949             dev->data->dev_conf.intr_conf.rxq) {
1950                 intr_vector = dev->data->nb_rx_queues;
1951                 if (rte_intr_efd_enable(intr_handle, intr_vector))
1952                         return -1;
1953         }
1954
1955         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1956                 intr_handle->intr_vec =
1957                         rte_zmalloc("intr_vec",
1958                                     dev->data->nb_rx_queues * sizeof(int), 0);
1959                 if (!intr_handle->intr_vec) {
1960                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1961                                      " intr_vec", dev->data->nb_rx_queues);
1962                         return -ENOMEM;
1963                 }
1964         }
1965
1966         if (i40evf_rx_init(dev) != 0){
1967                 PMD_DRV_LOG(ERR, "failed to do RX init");
1968                 return -1;
1969         }
1970
1971         i40evf_tx_init(dev);
1972
1973         if (i40evf_configure_vsi_queues(dev) != 0) {
1974                 PMD_DRV_LOG(ERR, "configure queues failed");
1975                 goto err_queue;
1976         }
1977         if (i40evf_config_irq_map(dev)) {
1978                 PMD_DRV_LOG(ERR, "config_irq_map failed");
1979                 goto err_queue;
1980         }
1981
1982         /* Set all mac addrs */
1983         i40evf_add_del_all_mac_addr(dev, TRUE);
1984         /* Set all multicast addresses */
1985         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
1986                                 TRUE);
1987
1988         if (i40evf_start_queues(dev) != 0) {
1989                 PMD_DRV_LOG(ERR, "enable queues failed");
1990                 goto err_mac;
1991         }
1992
1993         /* only enable interrupt in rx interrupt mode */
1994         if (dev->data->dev_conf.intr_conf.rxq != 0)
1995                 rte_intr_enable(intr_handle);
1996
1997         i40evf_enable_queues_intr(dev);
1998
1999         return 0;
2000
2001 err_mac:
2002         i40evf_add_del_all_mac_addr(dev, FALSE);
2003         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2004                                 FALSE);
2005 err_queue:
2006         return -1;
2007 }
2008
2009 static void
2010 i40evf_dev_stop(struct rte_eth_dev *dev)
2011 {
2012         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2013         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2014         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2015         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2016
2017         PMD_INIT_FUNC_TRACE();
2018
2019         if (dev->data->dev_conf.intr_conf.rxq != 0)
2020                 rte_intr_disable(intr_handle);
2021
2022         if (hw->adapter_stopped == 1)
2023                 return;
2024         i40evf_stop_queues(dev);
2025         i40evf_disable_queues_intr(dev);
2026         i40e_dev_clear_queues(dev);
2027
2028         /* Clean datapath event and queue/vec mapping */
2029         rte_intr_efd_disable(intr_handle);
2030         if (intr_handle->intr_vec) {
2031                 rte_free(intr_handle->intr_vec);
2032                 intr_handle->intr_vec = NULL;
2033         }
2034         /* remove all mac addrs */
2035         i40evf_add_del_all_mac_addr(dev, FALSE);
2036         /* remove all multicast addresses */
2037         i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2038                                 FALSE);
2039         hw->adapter_stopped = 1;
2040
2041 }
2042
2043 static int
2044 i40evf_dev_link_update(struct rte_eth_dev *dev,
2045                        __rte_unused int wait_to_complete)
2046 {
2047         struct rte_eth_link new_link;
2048         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2049         /*
2050          * DPDK pf host provide interfacet to acquire link status
2051          * while Linux driver does not
2052          */
2053
2054         memset(&new_link, 0, sizeof(new_link));
2055         /* Linux driver PF host */
2056         switch (vf->link_speed) {
2057         case I40E_LINK_SPEED_100MB:
2058                 new_link.link_speed = ETH_SPEED_NUM_100M;
2059                 break;
2060         case I40E_LINK_SPEED_1GB:
2061                 new_link.link_speed = ETH_SPEED_NUM_1G;
2062                 break;
2063         case I40E_LINK_SPEED_10GB:
2064                 new_link.link_speed = ETH_SPEED_NUM_10G;
2065                 break;
2066         case I40E_LINK_SPEED_20GB:
2067                 new_link.link_speed = ETH_SPEED_NUM_20G;
2068                 break;
2069         case I40E_LINK_SPEED_25GB:
2070                 new_link.link_speed = ETH_SPEED_NUM_25G;
2071                 break;
2072         case I40E_LINK_SPEED_40GB:
2073                 new_link.link_speed = ETH_SPEED_NUM_40G;
2074                 break;
2075         default:
2076                 new_link.link_speed = ETH_SPEED_NUM_100M;
2077                 break;
2078         }
2079         /* full duplex only */
2080         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
2081         new_link.link_status = vf->link_up ? ETH_LINK_UP :
2082                                              ETH_LINK_DOWN;
2083         new_link.link_autoneg =
2084                 !(dev->data->dev_conf.link_speeds & ETH_LINK_SPEED_FIXED);
2085
2086         return rte_eth_linkstatus_set(dev, &new_link);
2087 }
2088
2089 static void
2090 i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
2091 {
2092         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2093         int ret;
2094
2095         /* If enabled, just return */
2096         if (vf->promisc_unicast_enabled)
2097                 return;
2098
2099         ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
2100         if (ret == 0)
2101                 vf->promisc_unicast_enabled = TRUE;
2102 }
2103
2104 static void
2105 i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
2106 {
2107         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2108         int ret;
2109
2110         /* If disabled, just return */
2111         if (!vf->promisc_unicast_enabled)
2112                 return;
2113
2114         ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
2115         if (ret == 0)
2116                 vf->promisc_unicast_enabled = FALSE;
2117 }
2118
2119 static void
2120 i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
2121 {
2122         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2123         int ret;
2124
2125         /* If enabled, just return */
2126         if (vf->promisc_multicast_enabled)
2127                 return;
2128
2129         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
2130         if (ret == 0)
2131                 vf->promisc_multicast_enabled = TRUE;
2132 }
2133
2134 static void
2135 i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
2136 {
2137         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2138         int ret;
2139
2140         /* If enabled, just return */
2141         if (!vf->promisc_multicast_enabled)
2142                 return;
2143
2144         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
2145         if (ret == 0)
2146                 vf->promisc_multicast_enabled = FALSE;
2147 }
2148
2149 static void
2150 i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2151 {
2152         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2153
2154         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
2155         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
2156         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
2157         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
2158         dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2159         dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
2160         dev_info->flow_type_rss_offloads = vf->adapter->flow_types_mask;
2161         dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
2162         dev_info->rx_queue_offload_capa = 0;
2163         dev_info->rx_offload_capa =
2164                 DEV_RX_OFFLOAD_VLAN_STRIP |
2165                 DEV_RX_OFFLOAD_QINQ_STRIP |
2166                 DEV_RX_OFFLOAD_IPV4_CKSUM |
2167                 DEV_RX_OFFLOAD_UDP_CKSUM |
2168                 DEV_RX_OFFLOAD_TCP_CKSUM |
2169                 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
2170                 DEV_RX_OFFLOAD_SCATTER |
2171                 DEV_RX_OFFLOAD_JUMBO_FRAME |
2172                 DEV_RX_OFFLOAD_VLAN_FILTER;
2173
2174         dev_info->tx_queue_offload_capa = 0;
2175         dev_info->tx_offload_capa =
2176                 DEV_TX_OFFLOAD_VLAN_INSERT |
2177                 DEV_TX_OFFLOAD_QINQ_INSERT |
2178                 DEV_TX_OFFLOAD_IPV4_CKSUM |
2179                 DEV_TX_OFFLOAD_UDP_CKSUM |
2180                 DEV_TX_OFFLOAD_TCP_CKSUM |
2181                 DEV_TX_OFFLOAD_SCTP_CKSUM |
2182                 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM |
2183                 DEV_TX_OFFLOAD_TCP_TSO |
2184                 DEV_TX_OFFLOAD_VXLAN_TNL_TSO |
2185                 DEV_TX_OFFLOAD_GRE_TNL_TSO |
2186                 DEV_TX_OFFLOAD_IPIP_TNL_TSO |
2187                 DEV_TX_OFFLOAD_GENEVE_TNL_TSO |
2188                 DEV_TX_OFFLOAD_MULTI_SEGS;
2189
2190         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2191                 .rx_thresh = {
2192                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
2193                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
2194                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
2195                 },
2196                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
2197                 .rx_drop_en = 0,
2198                 .offloads = 0,
2199         };
2200
2201         dev_info->default_txconf = (struct rte_eth_txconf) {
2202                 .tx_thresh = {
2203                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
2204                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
2205                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
2206                 },
2207                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
2208                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
2209                 .offloads = 0,
2210         };
2211
2212         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
2213                 .nb_max = I40E_MAX_RING_DESC,
2214                 .nb_min = I40E_MIN_RING_DESC,
2215                 .nb_align = I40E_ALIGN_RING_DESC,
2216         };
2217
2218         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
2219                 .nb_max = I40E_MAX_RING_DESC,
2220                 .nb_min = I40E_MIN_RING_DESC,
2221                 .nb_align = I40E_ALIGN_RING_DESC,
2222         };
2223 }
2224
2225 static int
2226 i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
2227 {
2228         int ret;
2229         struct i40e_eth_stats *pstats = NULL;
2230         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2231         struct i40e_vsi *vsi = &vf->vsi;
2232
2233         ret = i40evf_query_stats(dev, &pstats);
2234         if (ret == 0) {
2235                 i40evf_update_stats(vsi, pstats);
2236
2237                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
2238                                                 pstats->rx_broadcast;
2239                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
2240                                                 pstats->tx_unicast;
2241                 stats->imissed = pstats->rx_discards;
2242                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
2243                 stats->ibytes = pstats->rx_bytes;
2244                 stats->obytes = pstats->tx_bytes;
2245         } else {
2246                 PMD_DRV_LOG(ERR, "Get statistics failed");
2247         }
2248         return ret;
2249 }
2250
2251 static void
2252 i40evf_dev_close(struct rte_eth_dev *dev)
2253 {
2254         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2255
2256         i40evf_dev_stop(dev);
2257         i40e_dev_free_queues(dev);
2258         /*
2259          * disable promiscuous mode before reset vf
2260          * it is a workaround solution when work with kernel driver
2261          * and it is not the normal way
2262          */
2263         i40evf_dev_promiscuous_disable(dev);
2264         i40evf_dev_allmulticast_disable(dev);
2265
2266         i40evf_reset_vf(dev);
2267         i40e_shutdown_adminq(hw);
2268         i40evf_disable_irq0(hw);
2269         rte_eal_alarm_cancel(i40evf_dev_alarm_handler, dev);
2270         hw->adapter_closed = 1;
2271 }
2272
2273 /*
2274  * Reset VF device only to re-initialize resources in PMD layer
2275  */
2276 static int
2277 i40evf_dev_reset(struct rte_eth_dev *dev)
2278 {
2279         int ret;
2280
2281         ret = i40evf_dev_uninit(dev);
2282         if (ret)
2283                 return ret;
2284
2285         ret = i40evf_dev_init(dev);
2286
2287         return ret;
2288 }
2289
2290 static int
2291 i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2292 {
2293         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2294         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2295         int ret;
2296
2297         if (!lut)
2298                 return -EINVAL;
2299
2300         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2301                 ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
2302                                           lut, lut_size);
2303                 if (ret) {
2304                         PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
2305                         return ret;
2306                 }
2307         } else {
2308                 uint32_t *lut_dw = (uint32_t *)lut;
2309                 uint16_t i, lut_size_dw = lut_size / 4;
2310
2311                 for (i = 0; i < lut_size_dw; i++)
2312                         lut_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HLUT(i));
2313         }
2314
2315         return 0;
2316 }
2317
2318 static int
2319 i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2320 {
2321         struct i40e_vf *vf;
2322         struct i40e_hw *hw;
2323         int ret;
2324
2325         if (!vsi || !lut)
2326                 return -EINVAL;
2327
2328         vf = I40E_VSI_TO_VF(vsi);
2329         hw = I40E_VSI_TO_HW(vsi);
2330
2331         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2332                 ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
2333                                           lut, lut_size);
2334                 if (ret) {
2335                         PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");
2336                         return ret;
2337                 }
2338         } else {
2339                 uint32_t *lut_dw = (uint32_t *)lut;
2340                 uint16_t i, lut_size_dw = lut_size / 4;
2341
2342                 for (i = 0; i < lut_size_dw; i++)
2343                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i), lut_dw[i]);
2344                 I40EVF_WRITE_FLUSH(hw);
2345         }
2346
2347         return 0;
2348 }
2349
2350 static int
2351 i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
2352                            struct rte_eth_rss_reta_entry64 *reta_conf,
2353                            uint16_t reta_size)
2354 {
2355         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2356         uint8_t *lut;
2357         uint16_t i, idx, shift;
2358         int ret;
2359
2360         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2361                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2362                         "(%d) doesn't match the number of hardware can "
2363                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2364                 return -EINVAL;
2365         }
2366
2367         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2368         if (!lut) {
2369                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2370                 return -ENOMEM;
2371         }
2372         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2373         if (ret)
2374                 goto out;
2375         for (i = 0; i < reta_size; i++) {
2376                 idx = i / RTE_RETA_GROUP_SIZE;
2377                 shift = i % RTE_RETA_GROUP_SIZE;
2378                 if (reta_conf[idx].mask & (1ULL << shift))
2379                         lut[i] = reta_conf[idx].reta[shift];
2380         }
2381         ret = i40evf_set_rss_lut(&vf->vsi, lut, reta_size);
2382
2383 out:
2384         rte_free(lut);
2385
2386         return ret;
2387 }
2388
2389 static int
2390 i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
2391                           struct rte_eth_rss_reta_entry64 *reta_conf,
2392                           uint16_t reta_size)
2393 {
2394         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2395         uint16_t i, idx, shift;
2396         uint8_t *lut;
2397         int ret;
2398
2399         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2400                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2401                         "(%d) doesn't match the number of hardware can "
2402                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2403                 return -EINVAL;
2404         }
2405
2406         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2407         if (!lut) {
2408                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2409                 return -ENOMEM;
2410         }
2411
2412         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2413         if (ret)
2414                 goto out;
2415         for (i = 0; i < reta_size; i++) {
2416                 idx = i / RTE_RETA_GROUP_SIZE;
2417                 shift = i % RTE_RETA_GROUP_SIZE;
2418                 if (reta_conf[idx].mask & (1ULL << shift))
2419                         reta_conf[idx].reta[shift] = lut[i];
2420         }
2421
2422 out:
2423         rte_free(lut);
2424
2425         return ret;
2426 }
2427
2428 static int
2429 i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len)
2430 {
2431         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2432         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2433         int ret = 0;
2434
2435         if (!key || key_len == 0) {
2436                 PMD_DRV_LOG(DEBUG, "No key to be configured");
2437                 return 0;
2438         } else if (key_len != (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2439                 sizeof(uint32_t)) {
2440                 PMD_DRV_LOG(ERR, "Invalid key length %u", key_len);
2441                 return -EINVAL;
2442         }
2443
2444         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2445                 struct i40e_aqc_get_set_rss_key_data *key_dw =
2446                         (struct i40e_aqc_get_set_rss_key_data *)key;
2447
2448                 ret = i40e_aq_set_rss_key(hw, vsi->vsi_id, key_dw);
2449                 if (ret)
2450                         PMD_INIT_LOG(ERR, "Failed to configure RSS key "
2451                                      "via AQ");
2452         } else {
2453                 uint32_t *hash_key = (uint32_t *)key;
2454                 uint16_t i;
2455
2456                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2457                         i40e_write_rx_ctl(hw, I40E_VFQF_HKEY(i), hash_key[i]);
2458                 I40EVF_WRITE_FLUSH(hw);
2459         }
2460
2461         return ret;
2462 }
2463
2464 static int
2465 i40evf_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t *key_len)
2466 {
2467         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2468         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2469         int ret;
2470
2471         if (!key || !key_len)
2472                 return -EINVAL;
2473
2474         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2475                 ret = i40e_aq_get_rss_key(hw, vsi->vsi_id,
2476                         (struct i40e_aqc_get_set_rss_key_data *)key);
2477                 if (ret) {
2478                         PMD_INIT_LOG(ERR, "Failed to get RSS key via AQ");
2479                         return ret;
2480                 }
2481         } else {
2482                 uint32_t *key_dw = (uint32_t *)key;
2483                 uint16_t i;
2484
2485                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2486                         key_dw[i] = i40e_read_rx_ctl(hw, I40E_VFQF_HKEY(i));
2487         }
2488         *key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2489
2490         return 0;
2491 }
2492
2493 static int
2494 i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct rte_eth_rss_conf *rss_conf)
2495 {
2496         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2497         uint64_t hena;
2498         int ret;
2499
2500         ret = i40evf_set_rss_key(&vf->vsi, rss_conf->rss_key,
2501                                  rss_conf->rss_key_len);
2502         if (ret)
2503                 return ret;
2504
2505         hena = i40e_config_hena(vf->adapter, rss_conf->rss_hf);
2506         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
2507         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
2508         I40EVF_WRITE_FLUSH(hw);
2509
2510         return 0;
2511 }
2512
2513 static void
2514 i40evf_disable_rss(struct i40e_vf *vf)
2515 {
2516         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2517
2518         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), 0);
2519         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), 0);
2520         I40EVF_WRITE_FLUSH(hw);
2521 }
2522
2523 static int
2524 i40evf_config_rss(struct i40e_vf *vf)
2525 {
2526         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2527         struct rte_eth_rss_conf rss_conf;
2528         uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
2529         uint16_t num;
2530
2531         if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
2532                 i40evf_disable_rss(vf);
2533                 PMD_DRV_LOG(DEBUG, "RSS not configured");
2534                 return 0;
2535         }
2536
2537         num = RTE_MIN(vf->dev_data->nb_rx_queues, I40E_MAX_QP_NUM_PER_VF);
2538         /* Fill out the look up table */
2539         for (i = 0, j = 0; i < nb_q; i++, j++) {
2540                 if (j >= num)
2541                         j = 0;
2542                 lut = (lut << 8) | j;
2543                 if ((i & 3) == 3)
2544                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
2545         }
2546
2547         rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
2548         if ((rss_conf.rss_hf & vf->adapter->flow_types_mask) == 0) {
2549                 i40evf_disable_rss(vf);
2550                 PMD_DRV_LOG(DEBUG, "No hash flag is set");
2551                 return 0;
2552         }
2553
2554         if (rss_conf.rss_key == NULL || rss_conf.rss_key_len <
2555                 (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
2556                 /* Calculate the default hash key */
2557                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2558                         rss_key_default[i] = (uint32_t)rte_rand();
2559                 rss_conf.rss_key = (uint8_t *)rss_key_default;
2560                 rss_conf.rss_key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2561                         sizeof(uint32_t);
2562         }
2563
2564         return i40evf_hw_rss_hash_set(vf, &rss_conf);
2565 }
2566
2567 static int
2568 i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
2569                            struct rte_eth_rss_conf *rss_conf)
2570 {
2571         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2572         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2573         uint64_t rss_hf = rss_conf->rss_hf & vf->adapter->flow_types_mask;
2574         uint64_t hena;
2575
2576         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2577         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2578
2579         if (!(hena & vf->adapter->pctypes_mask)) { /* RSS disabled */
2580                 if (rss_hf != 0) /* Enable RSS */
2581                         return -EINVAL;
2582                 return 0;
2583         }
2584
2585         /* RSS enabled */
2586         if (rss_hf == 0) /* Disable RSS */
2587                 return -EINVAL;
2588
2589         return i40evf_hw_rss_hash_set(vf, rss_conf);
2590 }
2591
2592 static int
2593 i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
2594                              struct rte_eth_rss_conf *rss_conf)
2595 {
2596         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2597         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2598         uint64_t hena;
2599
2600         i40evf_get_rss_key(&vf->vsi, rss_conf->rss_key,
2601                            &rss_conf->rss_key_len);
2602
2603         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2604         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2605         rss_conf->rss_hf = i40e_parse_hena(vf->adapter, hena);
2606
2607         return 0;
2608 }
2609
2610 static int
2611 i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2612 {
2613         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2614         struct rte_eth_dev_data *dev_data = vf->dev_data;
2615         uint32_t frame_size = mtu + I40E_ETH_OVERHEAD;
2616         int ret = 0;
2617
2618         /* check if mtu is within the allowed range */
2619         if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
2620                 return -EINVAL;
2621
2622         /* mtu setting is forbidden if port is start */
2623         if (dev_data->dev_started) {
2624                 PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
2625                             dev_data->port_id);
2626                 return -EBUSY;
2627         }
2628
2629         if (frame_size > ETHER_MAX_LEN)
2630                 dev_data->dev_conf.rxmode.offloads |=
2631                         DEV_RX_OFFLOAD_JUMBO_FRAME;
2632         else
2633                 dev_data->dev_conf.rxmode.offloads &=
2634                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
2635         dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2636
2637         return ret;
2638 }
2639
2640 static int
2641 i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
2642                             struct ether_addr *mac_addr)
2643 {
2644         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2645         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2646
2647         if (!is_valid_assigned_ether_addr(mac_addr)) {
2648                 PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
2649                 return -EINVAL;
2650         }
2651
2652         if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
2653                 return -EPERM;
2654
2655         i40evf_del_mac_addr_by_addr(dev, (struct ether_addr *)hw->mac.addr);
2656
2657         if (i40evf_add_mac_addr(dev, mac_addr, 0, 0) != 0)
2658                 return -EIO;
2659
2660         ether_addr_copy(mac_addr, (struct ether_addr *)hw->mac.addr);
2661         return 0;
2662 }
2663
2664 static int
2665 i40evf_add_del_mc_addr_list(struct rte_eth_dev *dev,
2666                         struct ether_addr *mc_addrs,
2667                         uint32_t mc_addrs_num, bool add)
2668 {
2669         struct virtchnl_ether_addr_list *list;
2670         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2671         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) +
2672                 (I40E_NUM_MACADDR_MAX * sizeof(struct virtchnl_ether_addr))];
2673         uint32_t i;
2674         int err;
2675         struct vf_cmd_info args;
2676
2677         if (mc_addrs == NULL || mc_addrs_num == 0)
2678                 return 0;
2679
2680         if (mc_addrs_num > I40E_NUM_MACADDR_MAX)
2681                 return -EINVAL;
2682
2683         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
2684         list->vsi_id = vf->vsi_res->vsi_id;
2685         list->num_elements = mc_addrs_num;
2686
2687         for (i = 0; i < mc_addrs_num; i++) {
2688                 if (!I40E_IS_MULTICAST(mc_addrs[i].addr_bytes)) {
2689                         PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
2690                                     mc_addrs[i].addr_bytes[0],
2691                                     mc_addrs[i].addr_bytes[1],
2692                                     mc_addrs[i].addr_bytes[2],
2693                                     mc_addrs[i].addr_bytes[3],
2694                                     mc_addrs[i].addr_bytes[4],
2695                                     mc_addrs[i].addr_bytes[5]);
2696                         return -EINVAL;
2697                 }
2698
2699                 memcpy(list->list[i].addr, mc_addrs[i].addr_bytes,
2700                         sizeof(list->list[i].addr));
2701         }
2702
2703         args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR : VIRTCHNL_OP_DEL_ETH_ADDR;
2704         args.in_args = cmd_buffer;
2705         args.in_args_size = sizeof(struct virtchnl_ether_addr_list) +
2706                 i * sizeof(struct virtchnl_ether_addr);
2707         args.out_buffer = vf->aq_resp;
2708         args.out_size = I40E_AQ_BUF_SZ;
2709         err = i40evf_execute_vf_cmd(dev, &args);
2710         if (err) {
2711                 PMD_DRV_LOG(ERR, "fail to execute command %s",
2712                         add ? "OP_ADD_ETH_ADDR" : "OP_DEL_ETH_ADDR");
2713                 return err;
2714         }
2715
2716         return 0;
2717 }
2718
2719 static int
2720 i40evf_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addrs,
2721                         uint32_t mc_addrs_num)
2722 {
2723         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2724         int err;
2725
2726         /* flush previous addresses */
2727         err = i40evf_add_del_mc_addr_list(dev, vf->mc_addrs, vf->mc_addrs_num,
2728                                 FALSE);
2729         if (err)
2730                 return err;
2731
2732         vf->mc_addrs_num = 0;
2733
2734         /* add new ones */
2735         err = i40evf_add_del_mc_addr_list(dev, mc_addrs, mc_addrs_num,
2736                                         TRUE);
2737         if (err)
2738                 return err;
2739
2740         vf->mc_addrs_num = mc_addrs_num;
2741         memcpy(vf->mc_addrs, mc_addrs, mc_addrs_num * sizeof(*mc_addrs));
2742
2743         return 0;
2744 }