xref: /dpdk/drivers/net/mlx5/mlx5.c (revision d39e23f26e1ef27fa3402da321f98b307d8c9419)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright 2015 6WIND S.A.
3  * Copyright 2015 Mellanox Technologies, Ltd
4  */
5 
6 #include <stddef.h>
7 #include <unistd.h>
8 #include <string.h>
9 #include <stdint.h>
10 #include <stdlib.h>
11 #include <errno.h>
12 
13 #include <rte_malloc.h>
14 #include <ethdev_driver.h>
15 #include <rte_pci.h>
16 #include <rte_bus_pci.h>
17 #include <rte_common.h>
18 #include <rte_kvargs.h>
19 #include <rte_rwlock.h>
20 #include <rte_spinlock.h>
21 #include <rte_string_fns.h>
22 #include <rte_eal_paging.h>
23 #include <rte_alarm.h>
24 #include <rte_cycles.h>
25 
26 #include <mlx5_glue.h>
27 #include <mlx5_devx_cmds.h>
28 #include <mlx5_common.h>
29 #include <mlx5_common_os.h>
30 #include <mlx5_common_mp.h>
31 #include <mlx5_malloc.h>
32 
33 #include "mlx5_defs.h"
34 #include "mlx5.h"
35 #include "mlx5_utils.h"
36 #include "mlx5_rxtx.h"
37 #include "mlx5_rx.h"
38 #include "mlx5_tx.h"
39 #include "mlx5_autoconf.h"
40 #include "mlx5_flow.h"
41 #include "mlx5_flow_os.h"
42 #include "rte_pmd_mlx5.h"
43 
44 #define MLX5_ETH_DRIVER_NAME mlx5_eth
45 
46 /* Device parameter to enable RX completion queue compression. */
47 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
48 
49 /* Device parameter to enable padding Rx packet to cacheline size. */
50 #define MLX5_RXQ_PKT_PAD_EN "rxq_pkt_pad_en"
51 
52 /* Device parameter to enable Multi-Packet Rx queue. */
53 #define MLX5_RX_MPRQ_EN "mprq_en"
54 
55 /* Device parameter to configure log 2 of the number of strides for MPRQ. */
56 #define MLX5_RX_MPRQ_LOG_STRIDE_NUM "mprq_log_stride_num"
57 
58 /* Device parameter to configure log 2 of the stride size for MPRQ. */
59 #define MLX5_RX_MPRQ_LOG_STRIDE_SIZE "mprq_log_stride_size"
60 
61 /* Device parameter to limit the size of memcpy'd packet for MPRQ. */
62 #define MLX5_RX_MPRQ_MAX_MEMCPY_LEN "mprq_max_memcpy_len"
63 
64 /* Device parameter to set the minimum number of Rx queues to enable MPRQ. */
65 #define MLX5_RXQS_MIN_MPRQ "rxqs_min_mprq"
66 
67 /* Device parameter to configure inline send. Deprecated, ignored.*/
68 #define MLX5_TXQ_INLINE "txq_inline"
69 
70 /* Device parameter to limit packet size to inline with ordinary SEND. */
71 #define MLX5_TXQ_INLINE_MAX "txq_inline_max"
72 
73 /* Device parameter to configure minimal data size to inline. */
74 #define MLX5_TXQ_INLINE_MIN "txq_inline_min"
75 
76 /* Device parameter to limit packet size to inline with Enhanced MPW. */
77 #define MLX5_TXQ_INLINE_MPW "txq_inline_mpw"
78 
79 /*
80  * Device parameter to configure the number of TX queues threshold for
81  * enabling inline send.
82  */
83 #define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
84 
85 /*
86  * Device parameter to configure the number of TX queues threshold for
87  * enabling vectorized Tx, deprecated, ignored (no vectorized Tx routines).
88  */
89 #define MLX5_TXQS_MAX_VEC "txqs_max_vec"
90 
91 /* Device parameter to enable multi-packet send WQEs. */
92 #define MLX5_TXQ_MPW_EN "txq_mpw_en"
93 
94 /*
95  * Device parameter to include 2 dsegs in the title WQEBB.
96  * Deprecated, ignored.
97  */
98 #define MLX5_TXQ_MPW_HDR_DSEG_EN "txq_mpw_hdr_dseg_en"
99 
100 /*
101  * Device parameter to limit the size of inlining packet.
102  * Deprecated, ignored.
103  */
104 #define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len"
105 
106 /*
107  * Device parameter to enable Tx scheduling on timestamps
108  * and specify the packet pacing granularity in nanoseconds.
109  */
110 #define MLX5_TX_PP "tx_pp"
111 
112 /*
113  * Device parameter to specify skew in nanoseconds on Tx datapath,
114  * it represents the time between SQ start WQE processing and
115  * appearing actual packet data on the wire.
116  */
117 #define MLX5_TX_SKEW "tx_skew"
118 
119 /*
120  * Device parameter to enable hardware Tx vector.
121  * Deprecated, ignored (no vectorized Tx routines anymore).
122  */
123 #define MLX5_TX_VEC_EN "tx_vec_en"
124 
125 /* Device parameter to enable hardware Rx vector. */
126 #define MLX5_RX_VEC_EN "rx_vec_en"
127 
128 /* Allow L3 VXLAN flow creation. */
129 #define MLX5_L3_VXLAN_EN "l3_vxlan_en"
130 
131 /* Activate DV E-Switch flow steering. */
132 #define MLX5_DV_ESW_EN "dv_esw_en"
133 
134 /* Activate DV flow steering. */
135 #define MLX5_DV_FLOW_EN "dv_flow_en"
136 
137 /* Enable extensive flow metadata support. */
138 #define MLX5_DV_XMETA_EN "dv_xmeta_en"
139 
140 /* Device parameter to let the user manage the lacp traffic of bonded device */
141 #define MLX5_LACP_BY_USER "lacp_by_user"
142 
143 /* Activate Netlink support in VF mode. */
144 #define MLX5_VF_NL_EN "vf_nl_en"
145 
146 /* Select port representors to instantiate. */
147 #define MLX5_REPRESENTOR "representor"
148 
149 /* Device parameter to configure the maximum number of dump files per queue. */
150 #define MLX5_MAX_DUMP_FILES_NUM "max_dump_files_num"
151 
152 /* Configure timeout of LRO session (in microseconds). */
153 #define MLX5_LRO_TIMEOUT_USEC "lro_timeout_usec"
154 
155 /*
156  * Device parameter to configure the total data buffer size for a single
157  * hairpin queue (logarithm value).
158  */
159 #define MLX5_HP_BUF_SIZE "hp_buf_log_sz"
160 
161 /* Flow memory reclaim mode. */
162 #define MLX5_RECLAIM_MEM "reclaim_mem_mode"
163 
164 /* Decap will be used or not. */
165 #define MLX5_DECAP_EN "decap_en"
166 
167 /* Device parameter to configure allow or prevent duplicate rules pattern. */
168 #define MLX5_ALLOW_DUPLICATE_PATTERN "allow_duplicate_pattern"
169 
170 /* Device parameter to configure the delay drop when creating Rxqs. */
171 #define MLX5_DELAY_DROP "delay_drop"
172 
173 /* Shared memory between primary and secondary processes. */
174 struct mlx5_shared_data *mlx5_shared_data;
175 
176 /** Driver-specific log messages type. */
177 int mlx5_logtype;
178 
179 static LIST_HEAD(, mlx5_dev_ctx_shared) mlx5_dev_ctx_list =
180 						LIST_HEAD_INITIALIZER();
181 static pthread_mutex_t mlx5_dev_ctx_list_mutex;
182 static const struct mlx5_indexed_pool_config mlx5_ipool_cfg[] = {
183 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
184 	[MLX5_IPOOL_DECAP_ENCAP] = {
185 		.size = sizeof(struct mlx5_flow_dv_encap_decap_resource),
186 		.trunk_size = 64,
187 		.grow_trunk = 3,
188 		.grow_shift = 2,
189 		.need_lock = 1,
190 		.release_mem_en = 1,
191 		.malloc = mlx5_malloc,
192 		.free = mlx5_free,
193 		.type = "mlx5_encap_decap_ipool",
194 	},
195 	[MLX5_IPOOL_PUSH_VLAN] = {
196 		.size = sizeof(struct mlx5_flow_dv_push_vlan_action_resource),
197 		.trunk_size = 64,
198 		.grow_trunk = 3,
199 		.grow_shift = 2,
200 		.need_lock = 1,
201 		.release_mem_en = 1,
202 		.malloc = mlx5_malloc,
203 		.free = mlx5_free,
204 		.type = "mlx5_push_vlan_ipool",
205 	},
206 	[MLX5_IPOOL_TAG] = {
207 		.size = sizeof(struct mlx5_flow_dv_tag_resource),
208 		.trunk_size = 64,
209 		.grow_trunk = 3,
210 		.grow_shift = 2,
211 		.need_lock = 1,
212 		.release_mem_en = 0,
213 		.per_core_cache = (1 << 16),
214 		.malloc = mlx5_malloc,
215 		.free = mlx5_free,
216 		.type = "mlx5_tag_ipool",
217 	},
218 	[MLX5_IPOOL_PORT_ID] = {
219 		.size = sizeof(struct mlx5_flow_dv_port_id_action_resource),
220 		.trunk_size = 64,
221 		.grow_trunk = 3,
222 		.grow_shift = 2,
223 		.need_lock = 1,
224 		.release_mem_en = 1,
225 		.malloc = mlx5_malloc,
226 		.free = mlx5_free,
227 		.type = "mlx5_port_id_ipool",
228 	},
229 	[MLX5_IPOOL_JUMP] = {
230 		.size = sizeof(struct mlx5_flow_tbl_data_entry),
231 		.trunk_size = 64,
232 		.grow_trunk = 3,
233 		.grow_shift = 2,
234 		.need_lock = 1,
235 		.release_mem_en = 1,
236 		.malloc = mlx5_malloc,
237 		.free = mlx5_free,
238 		.type = "mlx5_jump_ipool",
239 	},
240 	[MLX5_IPOOL_SAMPLE] = {
241 		.size = sizeof(struct mlx5_flow_dv_sample_resource),
242 		.trunk_size = 64,
243 		.grow_trunk = 3,
244 		.grow_shift = 2,
245 		.need_lock = 1,
246 		.release_mem_en = 1,
247 		.malloc = mlx5_malloc,
248 		.free = mlx5_free,
249 		.type = "mlx5_sample_ipool",
250 	},
251 	[MLX5_IPOOL_DEST_ARRAY] = {
252 		.size = sizeof(struct mlx5_flow_dv_dest_array_resource),
253 		.trunk_size = 64,
254 		.grow_trunk = 3,
255 		.grow_shift = 2,
256 		.need_lock = 1,
257 		.release_mem_en = 1,
258 		.malloc = mlx5_malloc,
259 		.free = mlx5_free,
260 		.type = "mlx5_dest_array_ipool",
261 	},
262 	[MLX5_IPOOL_TUNNEL_ID] = {
263 		.size = sizeof(struct mlx5_flow_tunnel),
264 		.trunk_size = MLX5_MAX_TUNNELS,
265 		.need_lock = 1,
266 		.release_mem_en = 1,
267 		.type = "mlx5_tunnel_offload",
268 	},
269 	[MLX5_IPOOL_TNL_TBL_ID] = {
270 		.size = 0,
271 		.need_lock = 1,
272 		.type = "mlx5_flow_tnl_tbl_ipool",
273 	},
274 #endif
275 	[MLX5_IPOOL_MTR] = {
276 		/**
277 		 * The ipool index should grow continually from small to big,
278 		 * for meter idx, so not set grow_trunk to avoid meter index
279 		 * not jump continually.
280 		 */
281 		.size = sizeof(struct mlx5_legacy_flow_meter),
282 		.trunk_size = 64,
283 		.need_lock = 1,
284 		.release_mem_en = 1,
285 		.malloc = mlx5_malloc,
286 		.free = mlx5_free,
287 		.type = "mlx5_meter_ipool",
288 	},
289 	[MLX5_IPOOL_MCP] = {
290 		.size = sizeof(struct mlx5_flow_mreg_copy_resource),
291 		.trunk_size = 64,
292 		.grow_trunk = 3,
293 		.grow_shift = 2,
294 		.need_lock = 1,
295 		.release_mem_en = 1,
296 		.malloc = mlx5_malloc,
297 		.free = mlx5_free,
298 		.type = "mlx5_mcp_ipool",
299 	},
300 	[MLX5_IPOOL_HRXQ] = {
301 		.size = (sizeof(struct mlx5_hrxq) + MLX5_RSS_HASH_KEY_LEN),
302 		.trunk_size = 64,
303 		.grow_trunk = 3,
304 		.grow_shift = 2,
305 		.need_lock = 1,
306 		.release_mem_en = 1,
307 		.malloc = mlx5_malloc,
308 		.free = mlx5_free,
309 		.type = "mlx5_hrxq_ipool",
310 	},
311 	[MLX5_IPOOL_MLX5_FLOW] = {
312 		/*
313 		 * MLX5_IPOOL_MLX5_FLOW size varies for DV and VERBS flows.
314 		 * It set in run time according to PCI function configuration.
315 		 */
316 		.size = 0,
317 		.trunk_size = 64,
318 		.grow_trunk = 3,
319 		.grow_shift = 2,
320 		.need_lock = 1,
321 		.release_mem_en = 0,
322 		.per_core_cache = 1 << 19,
323 		.malloc = mlx5_malloc,
324 		.free = mlx5_free,
325 		.type = "mlx5_flow_handle_ipool",
326 	},
327 	[MLX5_IPOOL_RTE_FLOW] = {
328 		.size = sizeof(struct rte_flow),
329 		.trunk_size = 4096,
330 		.need_lock = 1,
331 		.release_mem_en = 1,
332 		.malloc = mlx5_malloc,
333 		.free = mlx5_free,
334 		.type = "rte_flow_ipool",
335 	},
336 	[MLX5_IPOOL_RSS_EXPANTION_FLOW_ID] = {
337 		.size = 0,
338 		.need_lock = 1,
339 		.type = "mlx5_flow_rss_id_ipool",
340 	},
341 	[MLX5_IPOOL_RSS_SHARED_ACTIONS] = {
342 		.size = sizeof(struct mlx5_shared_action_rss),
343 		.trunk_size = 64,
344 		.grow_trunk = 3,
345 		.grow_shift = 2,
346 		.need_lock = 1,
347 		.release_mem_en = 1,
348 		.malloc = mlx5_malloc,
349 		.free = mlx5_free,
350 		.type = "mlx5_shared_action_rss",
351 	},
352 	[MLX5_IPOOL_MTR_POLICY] = {
353 		/**
354 		 * The ipool index should grow continually from small to big,
355 		 * for policy idx, so not set grow_trunk to avoid policy index
356 		 * not jump continually.
357 		 */
358 		.size = sizeof(struct mlx5_flow_meter_sub_policy),
359 		.trunk_size = 64,
360 		.need_lock = 1,
361 		.release_mem_en = 1,
362 		.malloc = mlx5_malloc,
363 		.free = mlx5_free,
364 		.type = "mlx5_meter_policy_ipool",
365 	},
366 };
367 
368 #define MLX5_FLOW_MIN_ID_POOL_SIZE 512
369 #define MLX5_ID_GENERATION_ARRAY_FACTOR 16
370 
371 #define MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE 1024
372 
373 /**
374  * Decide whether representor ID is a HPF(host PF) port on BF2.
375  *
376  * @param dev
377  *   Pointer to Ethernet device structure.
378  *
379  * @return
380  *   Non-zero if HPF, otherwise 0.
381  */
382 bool
383 mlx5_is_hpf(struct rte_eth_dev *dev)
384 {
385 	struct mlx5_priv *priv = dev->data->dev_private;
386 	uint16_t repr = MLX5_REPRESENTOR_REPR(priv->representor_id);
387 	int type = MLX5_REPRESENTOR_TYPE(priv->representor_id);
388 
389 	return priv->representor != 0 && type == RTE_ETH_REPRESENTOR_VF &&
390 	       MLX5_REPRESENTOR_REPR(-1) == repr;
391 }
392 
393 /**
394  * Decide whether representor ID is a SF port representor.
395  *
396  * @param dev
397  *   Pointer to Ethernet device structure.
398  *
399  * @return
400  *   Non-zero if HPF, otherwise 0.
401  */
402 bool
403 mlx5_is_sf_repr(struct rte_eth_dev *dev)
404 {
405 	struct mlx5_priv *priv = dev->data->dev_private;
406 	int type = MLX5_REPRESENTOR_TYPE(priv->representor_id);
407 
408 	return priv->representor != 0 && type == RTE_ETH_REPRESENTOR_SF;
409 }
410 
411 /**
412  * Initialize the ASO aging management structure.
413  *
414  * @param[in] sh
415  *   Pointer to mlx5_dev_ctx_shared object to free
416  *
417  * @return
418  *   0 on success, a negative errno value otherwise and rte_errno is set.
419  */
420 int
421 mlx5_flow_aso_age_mng_init(struct mlx5_dev_ctx_shared *sh)
422 {
423 	int err;
424 
425 	if (sh->aso_age_mng)
426 		return 0;
427 	sh->aso_age_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->aso_age_mng),
428 				      RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
429 	if (!sh->aso_age_mng) {
430 		DRV_LOG(ERR, "aso_age_mng allocation was failed.");
431 		rte_errno = ENOMEM;
432 		return -ENOMEM;
433 	}
434 	err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_FLOW_HIT);
435 	if (err) {
436 		mlx5_free(sh->aso_age_mng);
437 		return -1;
438 	}
439 	rte_rwlock_init(&sh->aso_age_mng->resize_rwl);
440 	rte_spinlock_init(&sh->aso_age_mng->free_sl);
441 	LIST_INIT(&sh->aso_age_mng->free);
442 	return 0;
443 }
444 
445 /**
446  * Close and release all the resources of the ASO aging management structure.
447  *
448  * @param[in] sh
449  *   Pointer to mlx5_dev_ctx_shared object to free.
450  */
451 static void
452 mlx5_flow_aso_age_mng_close(struct mlx5_dev_ctx_shared *sh)
453 {
454 	int i, j;
455 
456 	mlx5_aso_flow_hit_queue_poll_stop(sh);
457 	mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_FLOW_HIT);
458 	if (sh->aso_age_mng->pools) {
459 		struct mlx5_aso_age_pool *pool;
460 
461 		for (i = 0; i < sh->aso_age_mng->next; ++i) {
462 			pool = sh->aso_age_mng->pools[i];
463 			claim_zero(mlx5_devx_cmd_destroy
464 						(pool->flow_hit_aso_obj));
465 			for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j)
466 				if (pool->actions[j].dr_action)
467 					claim_zero
468 					    (mlx5_flow_os_destroy_flow_action
469 					      (pool->actions[j].dr_action));
470 			mlx5_free(pool);
471 		}
472 		mlx5_free(sh->aso_age_mng->pools);
473 	}
474 	mlx5_free(sh->aso_age_mng);
475 }
476 
477 /**
478  * Initialize the shared aging list information per port.
479  *
480  * @param[in] sh
481  *   Pointer to mlx5_dev_ctx_shared object.
482  */
483 static void
484 mlx5_flow_aging_init(struct mlx5_dev_ctx_shared *sh)
485 {
486 	uint32_t i;
487 	struct mlx5_age_info *age_info;
488 
489 	for (i = 0; i < sh->max_port; i++) {
490 		age_info = &sh->port[i].age_info;
491 		age_info->flags = 0;
492 		TAILQ_INIT(&age_info->aged_counters);
493 		LIST_INIT(&age_info->aged_aso);
494 		rte_spinlock_init(&age_info->aged_sl);
495 		MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
496 	}
497 }
498 
499 /**
500  * DV flow counter mode detect and config.
501  *
502  * @param dev
503  *   Pointer to rte_eth_dev structure.
504  *
505  */
506 void
507 mlx5_flow_counter_mode_config(struct rte_eth_dev *dev __rte_unused)
508 {
509 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
510 	struct mlx5_priv *priv = dev->data->dev_private;
511 	struct mlx5_dev_ctx_shared *sh = priv->sh;
512 	struct mlx5_hca_attr *hca_attr = &sh->cdev->config.hca_attr;
513 	bool fallback;
514 
515 #ifndef HAVE_IBV_DEVX_ASYNC
516 	fallback = true;
517 #else
518 	fallback = false;
519 	if (!sh->cdev->config.devx || !sh->config.dv_flow_en ||
520 	    !hca_attr->flow_counters_dump ||
521 	    !(hca_attr->flow_counter_bulk_alloc_bitmap & 0x4) ||
522 	    (mlx5_flow_dv_discover_counter_offset_support(dev) == -ENOTSUP))
523 		fallback = true;
524 #endif
525 	if (fallback)
526 		DRV_LOG(INFO, "Use fall-back DV counter management. Flow "
527 			"counter dump:%d, bulk_alloc_bitmap:0x%hhx.",
528 			hca_attr->flow_counters_dump,
529 			hca_attr->flow_counter_bulk_alloc_bitmap);
530 	/* Initialize fallback mode only on the port initializes sh. */
531 	if (sh->refcnt == 1)
532 		sh->cmng.counter_fallback = fallback;
533 	else if (fallback != sh->cmng.counter_fallback)
534 		DRV_LOG(WARNING, "Port %d in sh has different fallback mode "
535 			"with others:%d.", PORT_ID(priv), fallback);
536 #endif
537 }
538 
539 /**
540  * Initialize the counters management structure.
541  *
542  * @param[in] sh
543  *   Pointer to mlx5_dev_ctx_shared object to free
544  */
545 static void
546 mlx5_flow_counters_mng_init(struct mlx5_dev_ctx_shared *sh)
547 {
548 	int i;
549 
550 	memset(&sh->cmng, 0, sizeof(sh->cmng));
551 	TAILQ_INIT(&sh->cmng.flow_counters);
552 	sh->cmng.min_id = MLX5_CNT_BATCH_OFFSET;
553 	sh->cmng.max_id = -1;
554 	sh->cmng.last_pool_idx = POOL_IDX_INVALID;
555 	rte_spinlock_init(&sh->cmng.pool_update_sl);
556 	for (i = 0; i < MLX5_COUNTER_TYPE_MAX; i++) {
557 		TAILQ_INIT(&sh->cmng.counters[i]);
558 		rte_spinlock_init(&sh->cmng.csl[i]);
559 	}
560 }
561 
562 /**
563  * Destroy all the resources allocated for a counter memory management.
564  *
565  * @param[in] mng
566  *   Pointer to the memory management structure.
567  */
568 static void
569 mlx5_flow_destroy_counter_stat_mem_mng(struct mlx5_counter_stats_mem_mng *mng)
570 {
571 	uint8_t *mem = (uint8_t *)(uintptr_t)mng->raws[0].data;
572 
573 	LIST_REMOVE(mng, next);
574 	mlx5_os_wrapped_mkey_destroy(&mng->wm);
575 	mlx5_free(mem);
576 }
577 
578 /**
579  * Close and release all the resources of the counters management.
580  *
581  * @param[in] sh
582  *   Pointer to mlx5_dev_ctx_shared object to free.
583  */
584 static void
585 mlx5_flow_counters_mng_close(struct mlx5_dev_ctx_shared *sh)
586 {
587 	struct mlx5_counter_stats_mem_mng *mng;
588 	int i, j;
589 	int retries = 1024;
590 
591 	rte_errno = 0;
592 	while (--retries) {
593 		rte_eal_alarm_cancel(mlx5_flow_query_alarm, sh);
594 		if (rte_errno != EINPROGRESS)
595 			break;
596 		rte_pause();
597 	}
598 
599 	if (sh->cmng.pools) {
600 		struct mlx5_flow_counter_pool *pool;
601 		uint16_t n_valid = sh->cmng.n_valid;
602 		bool fallback = sh->cmng.counter_fallback;
603 
604 		for (i = 0; i < n_valid; ++i) {
605 			pool = sh->cmng.pools[i];
606 			if (!fallback && pool->min_dcs)
607 				claim_zero(mlx5_devx_cmd_destroy
608 							       (pool->min_dcs));
609 			for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) {
610 				struct mlx5_flow_counter *cnt =
611 						MLX5_POOL_GET_CNT(pool, j);
612 
613 				if (cnt->action)
614 					claim_zero
615 					 (mlx5_flow_os_destroy_flow_action
616 					  (cnt->action));
617 				if (fallback && MLX5_POOL_GET_CNT
618 				    (pool, j)->dcs_when_free)
619 					claim_zero(mlx5_devx_cmd_destroy
620 						   (cnt->dcs_when_free));
621 			}
622 			mlx5_free(pool);
623 		}
624 		mlx5_free(sh->cmng.pools);
625 	}
626 	mng = LIST_FIRST(&sh->cmng.mem_mngs);
627 	while (mng) {
628 		mlx5_flow_destroy_counter_stat_mem_mng(mng);
629 		mng = LIST_FIRST(&sh->cmng.mem_mngs);
630 	}
631 	memset(&sh->cmng, 0, sizeof(sh->cmng));
632 }
633 
634 /**
635  * Initialize the aso flow meters management structure.
636  *
637  * @param[in] sh
638  *   Pointer to mlx5_dev_ctx_shared object to free
639  */
640 int
641 mlx5_aso_flow_mtrs_mng_init(struct mlx5_dev_ctx_shared *sh)
642 {
643 	if (!sh->mtrmng) {
644 		sh->mtrmng = mlx5_malloc(MLX5_MEM_ZERO,
645 			sizeof(*sh->mtrmng),
646 			RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
647 		if (!sh->mtrmng) {
648 			DRV_LOG(ERR,
649 			"meter management allocation was failed.");
650 			rte_errno = ENOMEM;
651 			return -ENOMEM;
652 		}
653 		if (sh->meter_aso_en) {
654 			rte_spinlock_init(&sh->mtrmng->pools_mng.mtrsl);
655 			rte_rwlock_init(&sh->mtrmng->pools_mng.resize_mtrwl);
656 			LIST_INIT(&sh->mtrmng->pools_mng.meters);
657 		}
658 		sh->mtrmng->def_policy_id = MLX5_INVALID_POLICY_ID;
659 	}
660 	return 0;
661 }
662 
663 /**
664  * Close and release all the resources of
665  * the ASO flow meter management structure.
666  *
667  * @param[in] sh
668  *   Pointer to mlx5_dev_ctx_shared object to free.
669  */
670 static void
671 mlx5_aso_flow_mtrs_mng_close(struct mlx5_dev_ctx_shared *sh)
672 {
673 	struct mlx5_aso_mtr_pool *mtr_pool;
674 	struct mlx5_flow_mtr_mng *mtrmng = sh->mtrmng;
675 	uint32_t idx;
676 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
677 	struct mlx5_aso_mtr *aso_mtr;
678 	int i;
679 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
680 
681 	if (sh->meter_aso_en) {
682 		mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_POLICER);
683 		idx = mtrmng->pools_mng.n_valid;
684 		while (idx--) {
685 			mtr_pool = mtrmng->pools_mng.pools[idx];
686 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
687 			for (i = 0; i < MLX5_ASO_MTRS_PER_POOL; i++) {
688 				aso_mtr = &mtr_pool->mtrs[i];
689 				if (aso_mtr->fm.meter_action_g)
690 					claim_zero
691 					(mlx5_glue->destroy_flow_action
692 					(aso_mtr->fm.meter_action_g));
693 				if (aso_mtr->fm.meter_action_y)
694 					claim_zero
695 					(mlx5_glue->destroy_flow_action
696 					(aso_mtr->fm.meter_action_y));
697 			}
698 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
699 			claim_zero(mlx5_devx_cmd_destroy
700 						(mtr_pool->devx_obj));
701 			mtrmng->pools_mng.n_valid--;
702 			mlx5_free(mtr_pool);
703 		}
704 		mlx5_free(sh->mtrmng->pools_mng.pools);
705 	}
706 	mlx5_free(sh->mtrmng);
707 	sh->mtrmng = NULL;
708 }
709 
710 /* Send FLOW_AGED event if needed. */
711 void
712 mlx5_age_event_prepare(struct mlx5_dev_ctx_shared *sh)
713 {
714 	struct mlx5_age_info *age_info;
715 	uint32_t i;
716 
717 	for (i = 0; i < sh->max_port; i++) {
718 		age_info = &sh->port[i].age_info;
719 		if (!MLX5_AGE_GET(age_info, MLX5_AGE_EVENT_NEW))
720 			continue;
721 		MLX5_AGE_UNSET(age_info, MLX5_AGE_EVENT_NEW);
722 		if (MLX5_AGE_GET(age_info, MLX5_AGE_TRIGGER)) {
723 			MLX5_AGE_UNSET(age_info, MLX5_AGE_TRIGGER);
724 			rte_eth_dev_callback_process
725 				(&rte_eth_devices[sh->port[i].devx_ih_port_id],
726 				RTE_ETH_EVENT_FLOW_AGED, NULL);
727 		}
728 	}
729 }
730 
731 /*
732  * Initialize the ASO connection tracking structure.
733  *
734  * @param[in] sh
735  *   Pointer to mlx5_dev_ctx_shared object.
736  *
737  * @return
738  *   0 on success, a negative errno value otherwise and rte_errno is set.
739  */
740 int
741 mlx5_flow_aso_ct_mng_init(struct mlx5_dev_ctx_shared *sh)
742 {
743 	int err;
744 
745 	if (sh->ct_mng)
746 		return 0;
747 	sh->ct_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->ct_mng),
748 				 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
749 	if (!sh->ct_mng) {
750 		DRV_LOG(ERR, "ASO CT management allocation failed.");
751 		rte_errno = ENOMEM;
752 		return -rte_errno;
753 	}
754 	err = mlx5_aso_queue_init(sh, ASO_OPC_MOD_CONNECTION_TRACKING);
755 	if (err) {
756 		mlx5_free(sh->ct_mng);
757 		/* rte_errno should be extracted from the failure. */
758 		rte_errno = EINVAL;
759 		return -rte_errno;
760 	}
761 	rte_spinlock_init(&sh->ct_mng->ct_sl);
762 	rte_rwlock_init(&sh->ct_mng->resize_rwl);
763 	LIST_INIT(&sh->ct_mng->free_cts);
764 	return 0;
765 }
766 
767 /*
768  * Close and release all the resources of the
769  * ASO connection tracking management structure.
770  *
771  * @param[in] sh
772  *   Pointer to mlx5_dev_ctx_shared object to free.
773  */
774 static void
775 mlx5_flow_aso_ct_mng_close(struct mlx5_dev_ctx_shared *sh)
776 {
777 	struct mlx5_aso_ct_pools_mng *mng = sh->ct_mng;
778 	struct mlx5_aso_ct_pool *ct_pool;
779 	struct mlx5_aso_ct_action *ct;
780 	uint32_t idx;
781 	uint32_t val;
782 	uint32_t cnt;
783 	int i;
784 
785 	mlx5_aso_queue_uninit(sh, ASO_OPC_MOD_CONNECTION_TRACKING);
786 	idx = mng->next;
787 	while (idx--) {
788 		cnt = 0;
789 		ct_pool = mng->pools[idx];
790 		for (i = 0; i < MLX5_ASO_CT_ACTIONS_PER_POOL; i++) {
791 			ct = &ct_pool->actions[i];
792 			val = __atomic_fetch_sub(&ct->refcnt, 1,
793 						 __ATOMIC_RELAXED);
794 			MLX5_ASSERT(val == 1);
795 			if (val > 1)
796 				cnt++;
797 #ifdef HAVE_MLX5_DR_ACTION_ASO_CT
798 			if (ct->dr_action_orig)
799 				claim_zero(mlx5_glue->destroy_flow_action
800 							(ct->dr_action_orig));
801 			if (ct->dr_action_rply)
802 				claim_zero(mlx5_glue->destroy_flow_action
803 							(ct->dr_action_rply));
804 #endif
805 		}
806 		claim_zero(mlx5_devx_cmd_destroy(ct_pool->devx_obj));
807 		if (cnt) {
808 			DRV_LOG(DEBUG, "%u ASO CT objects are being used in the pool %u",
809 				cnt, i);
810 		}
811 		mlx5_free(ct_pool);
812 		/* in case of failure. */
813 		mng->next--;
814 	}
815 	mlx5_free(mng->pools);
816 	mlx5_free(mng);
817 	/* Management structure must be cleared to 0s during allocation. */
818 	sh->ct_mng = NULL;
819 }
820 
821 /**
822  * Initialize the flow resources' indexed mempool.
823  *
824  * @param[in] sh
825  *   Pointer to mlx5_dev_ctx_shared object.
826  */
827 static void
828 mlx5_flow_ipool_create(struct mlx5_dev_ctx_shared *sh)
829 {
830 	uint8_t i;
831 	struct mlx5_indexed_pool_config cfg;
832 
833 	for (i = 0; i < MLX5_IPOOL_MAX; ++i) {
834 		cfg = mlx5_ipool_cfg[i];
835 		switch (i) {
836 		default:
837 			break;
838 		/*
839 		 * Set MLX5_IPOOL_MLX5_FLOW ipool size
840 		 * according to PCI function flow configuration.
841 		 */
842 		case MLX5_IPOOL_MLX5_FLOW:
843 			cfg.size = sh->config.dv_flow_en ?
844 				sizeof(struct mlx5_flow_handle) :
845 				MLX5_FLOW_HANDLE_VERBS_SIZE;
846 			break;
847 		}
848 		if (sh->config.reclaim_mode) {
849 			cfg.release_mem_en = 1;
850 			cfg.per_core_cache = 0;
851 		} else {
852 			cfg.release_mem_en = 0;
853 		}
854 		sh->ipool[i] = mlx5_ipool_create(&cfg);
855 	}
856 }
857 
858 
859 /**
860  * Release the flow resources' indexed mempool.
861  *
862  * @param[in] sh
863  *   Pointer to mlx5_dev_ctx_shared object.
864  */
865 static void
866 mlx5_flow_ipool_destroy(struct mlx5_dev_ctx_shared *sh)
867 {
868 	uint8_t i;
869 
870 	for (i = 0; i < MLX5_IPOOL_MAX; ++i)
871 		mlx5_ipool_destroy(sh->ipool[i]);
872 	for (i = 0; i < MLX5_MAX_MODIFY_NUM; ++i)
873 		if (sh->mdh_ipools[i])
874 			mlx5_ipool_destroy(sh->mdh_ipools[i]);
875 }
876 
877 /*
878  * Check if dynamic flex parser for eCPRI already exists.
879  *
880  * @param dev
881  *   Pointer to Ethernet device structure.
882  *
883  * @return
884  *   true on exists, false on not.
885  */
886 bool
887 mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev)
888 {
889 	struct mlx5_priv *priv = dev->data->dev_private;
890 	struct mlx5_ecpri_parser_profile *prf = &priv->sh->ecpri_parser;
891 
892 	return !!prf->obj;
893 }
894 
895 /*
896  * Allocation of a flex parser for eCPRI. Once created, this parser related
897  * resources will be held until the device is closed.
898  *
899  * @param dev
900  *   Pointer to Ethernet device structure.
901  *
902  * @return
903  *   0 on success, a negative errno value otherwise and rte_errno is set.
904  */
905 int
906 mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev)
907 {
908 	struct mlx5_priv *priv = dev->data->dev_private;
909 	struct mlx5_ecpri_parser_profile *prf =	&priv->sh->ecpri_parser;
910 	struct mlx5_devx_graph_node_attr node = {
911 		.modify_field_select = 0,
912 	};
913 	uint32_t ids[8];
914 	int ret;
915 
916 	if (!priv->sh->cdev->config.hca_attr.parse_graph_flex_node) {
917 		DRV_LOG(ERR, "Dynamic flex parser is not supported "
918 			"for device %s.", priv->dev_data->name);
919 		return -ENOTSUP;
920 	}
921 	node.header_length_mode = MLX5_GRAPH_NODE_LEN_FIXED;
922 	/* 8 bytes now: 4B common header + 4B message body header. */
923 	node.header_length_base_value = 0x8;
924 	/* After MAC layer: Ether / VLAN. */
925 	node.in[0].arc_parse_graph_node = MLX5_GRAPH_ARC_NODE_MAC;
926 	/* Type of compared condition should be 0xAEFE in the L2 layer. */
927 	node.in[0].compare_condition_value = RTE_ETHER_TYPE_ECPRI;
928 	/* Sample #0: type in common header. */
929 	node.sample[0].flow_match_sample_en = 1;
930 	/* Fixed offset. */
931 	node.sample[0].flow_match_sample_offset_mode = 0x0;
932 	/* Only the 2nd byte will be used. */
933 	node.sample[0].flow_match_sample_field_base_offset = 0x0;
934 	/* Sample #1: message payload. */
935 	node.sample[1].flow_match_sample_en = 1;
936 	/* Fixed offset. */
937 	node.sample[1].flow_match_sample_offset_mode = 0x0;
938 	/*
939 	 * Only the first two bytes will be used right now, and its offset will
940 	 * start after the common header that with the length of a DW(u32).
941 	 */
942 	node.sample[1].flow_match_sample_field_base_offset = sizeof(uint32_t);
943 	prf->obj = mlx5_devx_cmd_create_flex_parser(priv->sh->cdev->ctx, &node);
944 	if (!prf->obj) {
945 		DRV_LOG(ERR, "Failed to create flex parser node object.");
946 		return (rte_errno == 0) ? -ENODEV : -rte_errno;
947 	}
948 	prf->num = 2;
949 	ret = mlx5_devx_cmd_query_parse_samples(prf->obj, ids, prf->num);
950 	if (ret) {
951 		DRV_LOG(ERR, "Failed to query sample IDs.");
952 		return (rte_errno == 0) ? -ENODEV : -rte_errno;
953 	}
954 	prf->offset[0] = 0x0;
955 	prf->offset[1] = sizeof(uint32_t);
956 	prf->ids[0] = ids[0];
957 	prf->ids[1] = ids[1];
958 	return 0;
959 }
960 
961 /*
962  * Destroy the flex parser node, including the parser itself, input / output
963  * arcs and DW samples. Resources could be reused then.
964  *
965  * @param dev
966  *   Pointer to Ethernet device structure.
967  */
968 static void
969 mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev)
970 {
971 	struct mlx5_priv *priv = dev->data->dev_private;
972 	struct mlx5_ecpri_parser_profile *prf =	&priv->sh->ecpri_parser;
973 
974 	if (prf->obj)
975 		mlx5_devx_cmd_destroy(prf->obj);
976 	prf->obj = NULL;
977 }
978 
979 uint32_t
980 mlx5_get_supported_sw_parsing_offloads(const struct mlx5_hca_attr *attr)
981 {
982 	uint32_t sw_parsing_offloads = 0;
983 
984 	if (attr->swp) {
985 		sw_parsing_offloads |= MLX5_SW_PARSING_CAP;
986 		if (attr->swp_csum)
987 			sw_parsing_offloads |= MLX5_SW_PARSING_CSUM_CAP;
988 
989 		if (attr->swp_lso)
990 			sw_parsing_offloads |= MLX5_SW_PARSING_TSO_CAP;
991 	}
992 	return sw_parsing_offloads;
993 }
994 
995 uint32_t
996 mlx5_get_supported_tunneling_offloads(const struct mlx5_hca_attr *attr)
997 {
998 	uint32_t tn_offloads = 0;
999 
1000 	if (attr->tunnel_stateless_vxlan)
1001 		tn_offloads |= MLX5_TUNNELED_OFFLOADS_VXLAN_CAP;
1002 	if (attr->tunnel_stateless_gre)
1003 		tn_offloads |= MLX5_TUNNELED_OFFLOADS_GRE_CAP;
1004 	if (attr->tunnel_stateless_geneve_rx)
1005 		tn_offloads |= MLX5_TUNNELED_OFFLOADS_GENEVE_CAP;
1006 	return tn_offloads;
1007 }
1008 
1009 /* Fill all fields of UAR structure. */
1010 static int
1011 mlx5_rxtx_uars_prepare(struct mlx5_dev_ctx_shared *sh)
1012 {
1013 	int ret;
1014 
1015 	ret = mlx5_devx_uar_prepare(sh->cdev, &sh->tx_uar);
1016 	if (ret) {
1017 		DRV_LOG(ERR, "Failed to prepare Tx DevX UAR.");
1018 		return -rte_errno;
1019 	}
1020 	MLX5_ASSERT(sh->tx_uar.obj);
1021 	MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->tx_uar.obj));
1022 	ret = mlx5_devx_uar_prepare(sh->cdev, &sh->rx_uar);
1023 	if (ret) {
1024 		DRV_LOG(ERR, "Failed to prepare Rx DevX UAR.");
1025 		mlx5_devx_uar_release(&sh->tx_uar);
1026 		return -rte_errno;
1027 	}
1028 	MLX5_ASSERT(sh->rx_uar.obj);
1029 	MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->rx_uar.obj));
1030 	return 0;
1031 }
1032 
1033 static void
1034 mlx5_rxtx_uars_release(struct mlx5_dev_ctx_shared *sh)
1035 {
1036 	mlx5_devx_uar_release(&sh->rx_uar);
1037 	mlx5_devx_uar_release(&sh->tx_uar);
1038 }
1039 
1040 /**
1041  * rte_mempool_walk() callback to unregister Rx mempools.
1042  * It used when implicit mempool registration is disabled.
1043  *
1044  * @param mp
1045  *   The mempool being walked.
1046  * @param arg
1047  *   Pointer to the device shared context.
1048  */
1049 static void
1050 mlx5_dev_ctx_shared_rx_mempool_unregister_cb(struct rte_mempool *mp, void *arg)
1051 {
1052 	struct mlx5_dev_ctx_shared *sh = arg;
1053 
1054 	mlx5_dev_mempool_unregister(sh->cdev, mp);
1055 }
1056 
1057 /**
1058  * Callback used when implicit mempool registration is disabled
1059  * in order to track Rx mempool destruction.
1060  *
1061  * @param event
1062  *   Mempool life cycle event.
1063  * @param mp
1064  *   An Rx mempool registered explicitly when the port is started.
1065  * @param arg
1066  *   Pointer to a device shared context.
1067  */
1068 static void
1069 mlx5_dev_ctx_shared_rx_mempool_event_cb(enum rte_mempool_event event,
1070 					struct rte_mempool *mp, void *arg)
1071 {
1072 	struct mlx5_dev_ctx_shared *sh = arg;
1073 
1074 	if (event == RTE_MEMPOOL_EVENT_DESTROY)
1075 		mlx5_dev_mempool_unregister(sh->cdev, mp);
1076 }
1077 
1078 int
1079 mlx5_dev_ctx_shared_mempool_subscribe(struct rte_eth_dev *dev)
1080 {
1081 	struct mlx5_priv *priv = dev->data->dev_private;
1082 	struct mlx5_dev_ctx_shared *sh = priv->sh;
1083 	int ret;
1084 
1085 	/* Check if we only need to track Rx mempool destruction. */
1086 	if (!sh->cdev->config.mr_mempool_reg_en) {
1087 		ret = rte_mempool_event_callback_register
1088 				(mlx5_dev_ctx_shared_rx_mempool_event_cb, sh);
1089 		return ret == 0 || rte_errno == EEXIST ? 0 : ret;
1090 	}
1091 	return mlx5_dev_mempool_subscribe(sh->cdev);
1092 }
1093 
1094 /**
1095  * Set up multiple TISs with different affinities according to
1096  * number of bonding ports
1097  *
1098  * @param priv
1099  * Pointer of shared context.
1100  *
1101  * @return
1102  * Zero on success, -1 otherwise.
1103  */
1104 static int
1105 mlx5_setup_tis(struct mlx5_dev_ctx_shared *sh)
1106 {
1107 	int i;
1108 	struct mlx5_devx_lag_context lag_ctx = { 0 };
1109 	struct mlx5_devx_tis_attr tis_attr = { 0 };
1110 
1111 	tis_attr.transport_domain = sh->td->id;
1112 	if (sh->bond.n_port) {
1113 		if (!mlx5_devx_cmd_query_lag(sh->cdev->ctx, &lag_ctx)) {
1114 			sh->lag.tx_remap_affinity[0] =
1115 				lag_ctx.tx_remap_affinity_1;
1116 			sh->lag.tx_remap_affinity[1] =
1117 				lag_ctx.tx_remap_affinity_2;
1118 			sh->lag.affinity_mode = lag_ctx.port_select_mode;
1119 		} else {
1120 			DRV_LOG(ERR, "Failed to query lag affinity.");
1121 			return -1;
1122 		}
1123 		if (sh->lag.affinity_mode == MLX5_LAG_MODE_TIS) {
1124 			for (i = 0; i < sh->bond.n_port; i++) {
1125 				tis_attr.lag_tx_port_affinity =
1126 					MLX5_IFC_LAG_MAP_TIS_AFFINITY(i,
1127 							sh->bond.n_port);
1128 				sh->tis[i] = mlx5_devx_cmd_create_tis(sh->cdev->ctx,
1129 						&tis_attr);
1130 				if (!sh->tis[i]) {
1131 					DRV_LOG(ERR, "Failed to TIS %d/%d for bonding device"
1132 						" %s.", i, sh->bond.n_port,
1133 						sh->ibdev_name);
1134 					return -1;
1135 				}
1136 			}
1137 			DRV_LOG(DEBUG, "LAG number of ports : %d, affinity_1 & 2 : pf%d & %d.\n",
1138 				sh->bond.n_port, lag_ctx.tx_remap_affinity_1,
1139 				lag_ctx.tx_remap_affinity_2);
1140 			return 0;
1141 		}
1142 		if (sh->lag.affinity_mode == MLX5_LAG_MODE_HASH)
1143 			DRV_LOG(INFO, "Device %s enabled HW hash based LAG.",
1144 					sh->ibdev_name);
1145 	}
1146 	tis_attr.lag_tx_port_affinity = 0;
1147 	sh->tis[0] = mlx5_devx_cmd_create_tis(sh->cdev->ctx, &tis_attr);
1148 	if (!sh->tis[0]) {
1149 		DRV_LOG(ERR, "Failed to TIS 0 for bonding device"
1150 			" %s.", sh->ibdev_name);
1151 		return -1;
1152 	}
1153 	return 0;
1154 }
1155 
1156 /**
1157  * Verify and store value for share device argument.
1158  *
1159  * @param[in] key
1160  *   Key argument to verify.
1161  * @param[in] val
1162  *   Value associated with key.
1163  * @param opaque
1164  *   User data.
1165  *
1166  * @return
1167  *   0 on success, a negative errno value otherwise and rte_errno is set.
1168  */
1169 static int
1170 mlx5_dev_args_check_handler(const char *key, const char *val, void *opaque)
1171 {
1172 	struct mlx5_sh_config *config = opaque;
1173 	signed long tmp;
1174 
1175 	errno = 0;
1176 	tmp = strtol(val, NULL, 0);
1177 	if (errno) {
1178 		rte_errno = errno;
1179 		DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
1180 		return -rte_errno;
1181 	}
1182 	if (tmp < 0 && strcmp(MLX5_TX_PP, key) && strcmp(MLX5_TX_SKEW, key)) {
1183 		/* Negative values are acceptable for some keys only. */
1184 		rte_errno = EINVAL;
1185 		DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val);
1186 		return -rte_errno;
1187 	}
1188 	if (strcmp(MLX5_TX_PP, key) == 0) {
1189 		unsigned long mod = tmp >= 0 ? tmp : -tmp;
1190 
1191 		if (!mod) {
1192 			DRV_LOG(ERR, "Zero Tx packet pacing parameter.");
1193 			rte_errno = EINVAL;
1194 			return -rte_errno;
1195 		}
1196 		config->tx_pp = tmp;
1197 	} else if (strcmp(MLX5_TX_SKEW, key) == 0) {
1198 		config->tx_skew = tmp;
1199 	} else if (strcmp(MLX5_L3_VXLAN_EN, key) == 0) {
1200 		config->l3_vxlan_en = !!tmp;
1201 	} else if (strcmp(MLX5_VF_NL_EN, key) == 0) {
1202 		config->vf_nl_en = !!tmp;
1203 	} else if (strcmp(MLX5_DV_ESW_EN, key) == 0) {
1204 		config->dv_esw_en = !!tmp;
1205 	} else if (strcmp(MLX5_DV_FLOW_EN, key) == 0) {
1206 		if (tmp > 2) {
1207 			DRV_LOG(ERR, "Invalid %s parameter.", key);
1208 			rte_errno = EINVAL;
1209 			return -rte_errno;
1210 		}
1211 		config->dv_flow_en = tmp;
1212 	} else if (strcmp(MLX5_DV_XMETA_EN, key) == 0) {
1213 		if (tmp != MLX5_XMETA_MODE_LEGACY &&
1214 		    tmp != MLX5_XMETA_MODE_META16 &&
1215 		    tmp != MLX5_XMETA_MODE_META32 &&
1216 		    tmp != MLX5_XMETA_MODE_MISS_INFO) {
1217 			DRV_LOG(ERR, "Invalid extensive metadata parameter.");
1218 			rte_errno = EINVAL;
1219 			return -rte_errno;
1220 		}
1221 		if (tmp != MLX5_XMETA_MODE_MISS_INFO)
1222 			config->dv_xmeta_en = tmp;
1223 		else
1224 			config->dv_miss_info = 1;
1225 	} else if (strcmp(MLX5_LACP_BY_USER, key) == 0) {
1226 		config->lacp_by_user = !!tmp;
1227 	} else if (strcmp(MLX5_RECLAIM_MEM, key) == 0) {
1228 		if (tmp != MLX5_RCM_NONE &&
1229 		    tmp != MLX5_RCM_LIGHT &&
1230 		    tmp != MLX5_RCM_AGGR) {
1231 			DRV_LOG(ERR, "Unrecognize %s: \"%s\"", key, val);
1232 			rte_errno = EINVAL;
1233 			return -rte_errno;
1234 		}
1235 		config->reclaim_mode = tmp;
1236 	} else if (strcmp(MLX5_DECAP_EN, key) == 0) {
1237 		config->decap_en = !!tmp;
1238 	} else if (strcmp(MLX5_ALLOW_DUPLICATE_PATTERN, key) == 0) {
1239 		config->allow_duplicate_pattern = !!tmp;
1240 	}
1241 	return 0;
1242 }
1243 
1244 /**
1245  * Parse user device parameters and adjust them according to device
1246  * capabilities.
1247  *
1248  * @param sh
1249  *   Pointer to shared device context.
1250  * @param mkvlist
1251  *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
1252  * @param config
1253  *   Pointer to shared device configuration structure.
1254  *
1255  * @return
1256  *   0 on success, a negative errno value otherwise and rte_errno is set.
1257  */
1258 static int
1259 mlx5_shared_dev_ctx_args_config(struct mlx5_dev_ctx_shared *sh,
1260 				struct mlx5_kvargs_ctrl *mkvlist,
1261 				struct mlx5_sh_config *config)
1262 {
1263 	const char **params = (const char *[]){
1264 		MLX5_TX_PP,
1265 		MLX5_TX_SKEW,
1266 		MLX5_L3_VXLAN_EN,
1267 		MLX5_VF_NL_EN,
1268 		MLX5_DV_ESW_EN,
1269 		MLX5_DV_FLOW_EN,
1270 		MLX5_DV_XMETA_EN,
1271 		MLX5_LACP_BY_USER,
1272 		MLX5_RECLAIM_MEM,
1273 		MLX5_DECAP_EN,
1274 		MLX5_ALLOW_DUPLICATE_PATTERN,
1275 		NULL,
1276 	};
1277 	int ret = 0;
1278 
1279 	/* Default configuration. */
1280 	memset(config, 0, sizeof(*config));
1281 	config->vf_nl_en = 1;
1282 	config->dv_esw_en = 1;
1283 	config->dv_flow_en = 1;
1284 	config->decap_en = 1;
1285 	config->allow_duplicate_pattern = 1;
1286 	if (mkvlist != NULL) {
1287 		/* Process parameters. */
1288 		ret = mlx5_kvargs_process(mkvlist, params,
1289 					  mlx5_dev_args_check_handler, config);
1290 		if (ret) {
1291 			DRV_LOG(ERR, "Failed to process device arguments: %s",
1292 				strerror(rte_errno));
1293 			return -rte_errno;
1294 		}
1295 	}
1296 	/* Adjust parameters according to device capabilities. */
1297 	if (config->dv_flow_en && !sh->dev_cap.dv_flow_en) {
1298 		DRV_LOG(WARNING, "DV flow is not supported.");
1299 		config->dv_flow_en = 0;
1300 	}
1301 	if (config->dv_esw_en && !sh->dev_cap.dv_esw_en) {
1302 		DRV_LOG(DEBUG, "E-Switch DV flow is not supported.");
1303 		config->dv_esw_en = 0;
1304 	}
1305 	if (config->dv_esw_en && !config->dv_flow_en) {
1306 		DRV_LOG(DEBUG,
1307 			"E-Switch DV flow is supported only when DV flow is enabled.");
1308 		config->dv_esw_en = 0;
1309 	}
1310 	if (config->dv_miss_info && config->dv_esw_en)
1311 		config->dv_xmeta_en = MLX5_XMETA_MODE_META16;
1312 	if (!config->dv_esw_en &&
1313 	    config->dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1314 		DRV_LOG(WARNING,
1315 			"Metadata mode %u is not supported (no E-Switch).",
1316 			config->dv_xmeta_en);
1317 		config->dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1318 	}
1319 	if (config->tx_pp && !sh->dev_cap.txpp_en) {
1320 		DRV_LOG(ERR, "Packet pacing is not supported.");
1321 		rte_errno = ENODEV;
1322 		return -rte_errno;
1323 	}
1324 	if (!config->tx_pp && config->tx_skew) {
1325 		DRV_LOG(WARNING,
1326 			"\"tx_skew\" doesn't affect without \"tx_pp\".");
1327 	}
1328 	/*
1329 	 * If HW has bug working with tunnel packet decapsulation and scatter
1330 	 * FCS, and decapsulation is needed, clear the hw_fcs_strip bit.
1331 	 * Then RTE_ETH_RX_OFFLOAD_KEEP_CRC bit will not be set anymore.
1332 	 */
1333 	if (sh->dev_cap.scatter_fcs_w_decap_disable && sh->config.decap_en)
1334 		config->hw_fcs_strip = 0;
1335 	else
1336 		config->hw_fcs_strip = sh->dev_cap.hw_fcs_strip;
1337 	DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
1338 		(config->hw_fcs_strip ? "" : "not "));
1339 	DRV_LOG(DEBUG, "\"tx_pp\" is %d.", config->tx_pp);
1340 	DRV_LOG(DEBUG, "\"tx_skew\" is %d.", config->tx_skew);
1341 	DRV_LOG(DEBUG, "\"reclaim_mode\" is %u.", config->reclaim_mode);
1342 	DRV_LOG(DEBUG, "\"dv_esw_en\" is %u.", config->dv_esw_en);
1343 	DRV_LOG(DEBUG, "\"dv_flow_en\" is %u.", config->dv_flow_en);
1344 	DRV_LOG(DEBUG, "\"dv_xmeta_en\" is %u.", config->dv_xmeta_en);
1345 	DRV_LOG(DEBUG, "\"dv_miss_info\" is %u.", config->dv_miss_info);
1346 	DRV_LOG(DEBUG, "\"l3_vxlan_en\" is %u.", config->l3_vxlan_en);
1347 	DRV_LOG(DEBUG, "\"vf_nl_en\" is %u.", config->vf_nl_en);
1348 	DRV_LOG(DEBUG, "\"lacp_by_user\" is %u.", config->lacp_by_user);
1349 	DRV_LOG(DEBUG, "\"decap_en\" is %u.", config->decap_en);
1350 	DRV_LOG(DEBUG, "\"allow_duplicate_pattern\" is %u.",
1351 		config->allow_duplicate_pattern);
1352 	return 0;
1353 }
1354 
1355 /**
1356  * Configure realtime timestamp format.
1357  *
1358  * @param sh
1359  *   Pointer to mlx5_dev_ctx_shared object.
1360  * @param hca_attr
1361  *   Pointer to DevX HCA capabilities structure.
1362  */
1363 void
1364 mlx5_rt_timestamp_config(struct mlx5_dev_ctx_shared *sh,
1365 			 struct mlx5_hca_attr *hca_attr)
1366 {
1367 	uint32_t dw_cnt = MLX5_ST_SZ_DW(register_mtutc);
1368 	uint32_t reg[dw_cnt];
1369 	int ret = ENOTSUP;
1370 
1371 	if (hca_attr->access_register_user)
1372 		ret = mlx5_devx_cmd_register_read(sh->cdev->ctx,
1373 						  MLX5_REGISTER_ID_MTUTC, 0,
1374 						  reg, dw_cnt);
1375 	if (!ret) {
1376 		uint32_t ts_mode;
1377 
1378 		/* MTUTC register is read successfully. */
1379 		ts_mode = MLX5_GET(register_mtutc, reg, time_stamp_mode);
1380 		if (ts_mode == MLX5_MTUTC_TIMESTAMP_MODE_REAL_TIME)
1381 			sh->dev_cap.rt_timestamp = 1;
1382 	} else {
1383 		/* Kernel does not support register reading. */
1384 		if (hca_attr->dev_freq_khz == (NS_PER_S / MS_PER_S))
1385 			sh->dev_cap.rt_timestamp = 1;
1386 	}
1387 }
1388 
1389 /**
1390  * Allocate shared device context. If there is multiport device the
1391  * master and representors will share this context, if there is single
1392  * port dedicated device, the context will be used by only given
1393  * port due to unification.
1394  *
1395  * Routine first searches the context for the specified device name,
1396  * if found the shared context assumed and reference counter is incremented.
1397  * If no context found the new one is created and initialized with specified
1398  * device context and parameters.
1399  *
1400  * @param[in] spawn
1401  *   Pointer to the device attributes (name, port, etc).
1402  * @param mkvlist
1403  *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
1404  *
1405  * @return
1406  *   Pointer to mlx5_dev_ctx_shared object on success,
1407  *   otherwise NULL and rte_errno is set.
1408  */
1409 struct mlx5_dev_ctx_shared *
1410 mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
1411 			  struct mlx5_kvargs_ctrl *mkvlist)
1412 {
1413 	struct mlx5_dev_ctx_shared *sh;
1414 	int err = 0;
1415 	uint32_t i;
1416 
1417 	MLX5_ASSERT(spawn);
1418 	/* Secondary process should not create the shared context. */
1419 	MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1420 	pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1421 	/* Search for IB context by device name. */
1422 	LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) {
1423 		if (!strcmp(sh->ibdev_name, spawn->phys_dev_name)) {
1424 			sh->refcnt++;
1425 			goto exit;
1426 		}
1427 	}
1428 	/* No device found, we have to create new shared context. */
1429 	MLX5_ASSERT(spawn->max_port);
1430 	sh = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
1431 			 sizeof(struct mlx5_dev_ctx_shared) +
1432 			 spawn->max_port * sizeof(struct mlx5_dev_shared_port),
1433 			 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
1434 	if (!sh) {
1435 		DRV_LOG(ERR, "Shared context allocation failure.");
1436 		rte_errno = ENOMEM;
1437 		goto exit;
1438 	}
1439 	pthread_mutex_init(&sh->txpp.mutex, NULL);
1440 	sh->numa_node = spawn->cdev->dev->numa_node;
1441 	sh->cdev = spawn->cdev;
1442 	sh->esw_mode = !!(spawn->info.master || spawn->info.representor);
1443 	if (spawn->bond_info)
1444 		sh->bond = *spawn->bond_info;
1445 	err = mlx5_os_capabilities_prepare(sh);
1446 	if (err) {
1447 		DRV_LOG(ERR, "Fail to configure device capabilities.");
1448 		goto error;
1449 	}
1450 	err = mlx5_shared_dev_ctx_args_config(sh, mkvlist, &sh->config);
1451 	if (err) {
1452 		DRV_LOG(ERR, "Failed to process device configure: %s",
1453 			strerror(rte_errno));
1454 		goto error;
1455 	}
1456 	sh->refcnt = 1;
1457 	sh->max_port = spawn->max_port;
1458 	strncpy(sh->ibdev_name, mlx5_os_get_ctx_device_name(sh->cdev->ctx),
1459 		sizeof(sh->ibdev_name) - 1);
1460 	strncpy(sh->ibdev_path, mlx5_os_get_ctx_device_path(sh->cdev->ctx),
1461 		sizeof(sh->ibdev_path) - 1);
1462 	/*
1463 	 * Setting port_id to max unallowed value means there is no interrupt
1464 	 * subhandler installed for the given port index i.
1465 	 */
1466 	for (i = 0; i < sh->max_port; i++) {
1467 		sh->port[i].ih_port_id = RTE_MAX_ETHPORTS;
1468 		sh->port[i].devx_ih_port_id = RTE_MAX_ETHPORTS;
1469 		sh->port[i].nl_ih_port_id = RTE_MAX_ETHPORTS;
1470 	}
1471 	if (sh->cdev->config.devx) {
1472 		sh->td = mlx5_devx_cmd_create_td(sh->cdev->ctx);
1473 		if (!sh->td) {
1474 			DRV_LOG(ERR, "TD allocation failure");
1475 			rte_errno = ENOMEM;
1476 			goto error;
1477 		}
1478 		if (mlx5_setup_tis(sh)) {
1479 			DRV_LOG(ERR, "TIS allocation failure");
1480 			rte_errno = ENOMEM;
1481 			goto error;
1482 		}
1483 		err = mlx5_rxtx_uars_prepare(sh);
1484 		if (err)
1485 			goto error;
1486 #ifndef RTE_ARCH_64
1487 	} else {
1488 		/* Initialize UAR access locks for 32bit implementations. */
1489 		rte_spinlock_init(&sh->uar_lock_cq);
1490 		for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
1491 			rte_spinlock_init(&sh->uar_lock[i]);
1492 #endif
1493 	}
1494 	mlx5_os_dev_shared_handler_install(sh);
1495 	if (LIST_EMPTY(&mlx5_dev_ctx_list)) {
1496 		err = mlx5_flow_os_init_workspace_once();
1497 		if (err)
1498 			goto error;
1499 	}
1500 	mlx5_flow_aging_init(sh);
1501 	mlx5_flow_counters_mng_init(sh);
1502 	mlx5_flow_ipool_create(sh);
1503 	/* Add context to the global device list. */
1504 	LIST_INSERT_HEAD(&mlx5_dev_ctx_list, sh, next);
1505 	rte_spinlock_init(&sh->geneve_tlv_opt_sl);
1506 exit:
1507 	pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1508 	return sh;
1509 error:
1510 	err = rte_errno;
1511 	pthread_mutex_destroy(&sh->txpp.mutex);
1512 	pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1513 	MLX5_ASSERT(sh);
1514 	mlx5_rxtx_uars_release(sh);
1515 	i = 0;
1516 	do {
1517 		if (sh->tis[i])
1518 			claim_zero(mlx5_devx_cmd_destroy(sh->tis[i]));
1519 	} while (++i < (uint32_t)sh->bond.n_port);
1520 	if (sh->td)
1521 		claim_zero(mlx5_devx_cmd_destroy(sh->td));
1522 	mlx5_free(sh);
1523 	rte_errno = err;
1524 	return NULL;
1525 }
1526 
1527 /**
1528  * Free shared IB device context. Decrement counter and if zero free
1529  * all allocated resources and close handles.
1530  *
1531  * @param[in] sh
1532  *   Pointer to mlx5_dev_ctx_shared object to free
1533  */
1534 void
1535 mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh)
1536 {
1537 	int ret;
1538 	int i = 0;
1539 
1540 	pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1541 #ifdef RTE_LIBRTE_MLX5_DEBUG
1542 	/* Check the object presence in the list. */
1543 	struct mlx5_dev_ctx_shared *lctx;
1544 
1545 	LIST_FOREACH(lctx, &mlx5_dev_ctx_list, next)
1546 		if (lctx == sh)
1547 			break;
1548 	MLX5_ASSERT(lctx);
1549 	if (lctx != sh) {
1550 		DRV_LOG(ERR, "Freeing non-existing shared IB context");
1551 		goto exit;
1552 	}
1553 #endif
1554 	MLX5_ASSERT(sh);
1555 	MLX5_ASSERT(sh->refcnt);
1556 	/* Secondary process should not free the shared context. */
1557 	MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1558 	if (--sh->refcnt)
1559 		goto exit;
1560 	/* Stop watching for mempool events and unregister all mempools. */
1561 	if (!sh->cdev->config.mr_mempool_reg_en) {
1562 		ret = rte_mempool_event_callback_unregister
1563 				(mlx5_dev_ctx_shared_rx_mempool_event_cb, sh);
1564 		if (ret == 0)
1565 			rte_mempool_walk
1566 			     (mlx5_dev_ctx_shared_rx_mempool_unregister_cb, sh);
1567 	}
1568 	/* Remove context from the global device list. */
1569 	LIST_REMOVE(sh, next);
1570 	/* Release resources on the last device removal. */
1571 	if (LIST_EMPTY(&mlx5_dev_ctx_list)) {
1572 		mlx5_os_net_cleanup();
1573 		mlx5_flow_os_release_workspace();
1574 	}
1575 	pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1576 	if (sh->flex_parsers_dv) {
1577 		mlx5_list_destroy(sh->flex_parsers_dv);
1578 		sh->flex_parsers_dv = NULL;
1579 	}
1580 	/*
1581 	 *  Ensure there is no async event handler installed.
1582 	 *  Only primary process handles async device events.
1583 	 **/
1584 	mlx5_flow_counters_mng_close(sh);
1585 	if (sh->ct_mng)
1586 		mlx5_flow_aso_ct_mng_close(sh);
1587 	if (sh->aso_age_mng) {
1588 		mlx5_flow_aso_age_mng_close(sh);
1589 		sh->aso_age_mng = NULL;
1590 	}
1591 	if (sh->mtrmng)
1592 		mlx5_aso_flow_mtrs_mng_close(sh);
1593 	mlx5_flow_ipool_destroy(sh);
1594 	mlx5_os_dev_shared_handler_uninstall(sh);
1595 	mlx5_rxtx_uars_release(sh);
1596 	do {
1597 		if (sh->tis[i])
1598 			claim_zero(mlx5_devx_cmd_destroy(sh->tis[i]));
1599 	} while (++i < sh->bond.n_port);
1600 	if (sh->td)
1601 		claim_zero(mlx5_devx_cmd_destroy(sh->td));
1602 	MLX5_ASSERT(sh->geneve_tlv_option_resource == NULL);
1603 	pthread_mutex_destroy(&sh->txpp.mutex);
1604 	mlx5_free(sh);
1605 	return;
1606 exit:
1607 	pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1608 }
1609 
1610 /**
1611  * Destroy table hash list.
1612  *
1613  * @param[in] priv
1614  *   Pointer to the private device data structure.
1615  */
1616 void
1617 mlx5_free_table_hash_list(struct mlx5_priv *priv)
1618 {
1619 	struct mlx5_dev_ctx_shared *sh = priv->sh;
1620 	struct mlx5_hlist **tbls = (priv->sh->config.dv_flow_en == 2) ?
1621 				   &sh->groups : &sh->flow_tbls;
1622 	if (*tbls == NULL)
1623 		return;
1624 	mlx5_hlist_destroy(*tbls);
1625 	*tbls = NULL;
1626 }
1627 
1628 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
1629 /**
1630  * Allocate HW steering group hash list.
1631  *
1632  * @param[in] priv
1633  *   Pointer to the private device data structure.
1634  */
1635 static int
1636 mlx5_alloc_hw_group_hash_list(struct mlx5_priv *priv)
1637 {
1638 	int err = 0;
1639 	struct mlx5_dev_ctx_shared *sh = priv->sh;
1640 	char s[MLX5_NAME_SIZE];
1641 
1642 	MLX5_ASSERT(sh);
1643 	snprintf(s, sizeof(s), "%s_flow_groups", priv->sh->ibdev_name);
1644 	sh->groups = mlx5_hlist_create
1645 			(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE,
1646 			 false, true, sh,
1647 			 flow_hw_grp_create_cb,
1648 			 flow_hw_grp_match_cb,
1649 			 flow_hw_grp_remove_cb,
1650 			 flow_hw_grp_clone_cb,
1651 			 flow_hw_grp_clone_free_cb);
1652 	if (!sh->groups) {
1653 		DRV_LOG(ERR, "flow groups with hash creation failed.");
1654 		err = ENOMEM;
1655 	}
1656 	return err;
1657 }
1658 #endif
1659 
1660 
1661 /**
1662  * Initialize flow table hash list and create the root tables entry
1663  * for each domain.
1664  *
1665  * @param[in] priv
1666  *   Pointer to the private device data structure.
1667  *
1668  * @return
1669  *   Zero on success, positive error code otherwise.
1670  */
1671 int
1672 mlx5_alloc_table_hash_list(struct mlx5_priv *priv __rte_unused)
1673 {
1674 	int err = 0;
1675 
1676 	/* Tables are only used in DV and DR modes. */
1677 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
1678 	struct mlx5_dev_ctx_shared *sh = priv->sh;
1679 	char s[MLX5_NAME_SIZE];
1680 
1681 	if (priv->sh->config.dv_flow_en == 2)
1682 		return mlx5_alloc_hw_group_hash_list(priv);
1683 	MLX5_ASSERT(sh);
1684 	snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name);
1685 	sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE,
1686 					  false, true, sh,
1687 					  flow_dv_tbl_create_cb,
1688 					  flow_dv_tbl_match_cb,
1689 					  flow_dv_tbl_remove_cb,
1690 					  flow_dv_tbl_clone_cb,
1691 					  flow_dv_tbl_clone_free_cb);
1692 	if (!sh->flow_tbls) {
1693 		DRV_LOG(ERR, "flow tables with hash creation failed.");
1694 		err = ENOMEM;
1695 		return err;
1696 	}
1697 #ifndef HAVE_MLX5DV_DR
1698 	struct rte_flow_error error;
1699 	struct rte_eth_dev *dev = &rte_eth_devices[priv->dev_data->port_id];
1700 
1701 	/*
1702 	 * In case we have not DR support, the zero tables should be created
1703 	 * because DV expect to see them even if they cannot be created by
1704 	 * RDMA-CORE.
1705 	 */
1706 	if (!flow_dv_tbl_resource_get(dev, 0, 0, 0, 0,
1707 		NULL, 0, 1, 0, &error) ||
1708 	    !flow_dv_tbl_resource_get(dev, 0, 1, 0, 0,
1709 		NULL, 0, 1, 0, &error) ||
1710 	    !flow_dv_tbl_resource_get(dev, 0, 0, 1, 0,
1711 		NULL, 0, 1, 0, &error)) {
1712 		err = ENOMEM;
1713 		goto error;
1714 	}
1715 	return err;
1716 error:
1717 	mlx5_free_table_hash_list(priv);
1718 #endif /* HAVE_MLX5DV_DR */
1719 #endif
1720 	return err;
1721 }
1722 
1723 /**
1724  * Retrieve integer value from environment variable.
1725  *
1726  * @param[in] name
1727  *   Environment variable name.
1728  *
1729  * @return
1730  *   Integer value, 0 if the variable is not set.
1731  */
1732 int
1733 mlx5_getenv_int(const char *name)
1734 {
1735 	const char *val = getenv(name);
1736 
1737 	if (val == NULL)
1738 		return 0;
1739 	return atoi(val);
1740 }
1741 
1742 /**
1743  * DPDK callback to add udp tunnel port
1744  *
1745  * @param[in] dev
1746  *   A pointer to eth_dev
1747  * @param[in] udp_tunnel
1748  *   A pointer to udp tunnel
1749  *
1750  * @return
1751  *   0 on valid udp ports and tunnels, -ENOTSUP otherwise.
1752  */
1753 int
1754 mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
1755 			 struct rte_eth_udp_tunnel *udp_tunnel)
1756 {
1757 	MLX5_ASSERT(udp_tunnel != NULL);
1758 	if (udp_tunnel->prot_type == RTE_ETH_TUNNEL_TYPE_VXLAN &&
1759 	    udp_tunnel->udp_port == 4789)
1760 		return 0;
1761 	if (udp_tunnel->prot_type == RTE_ETH_TUNNEL_TYPE_VXLAN_GPE &&
1762 	    udp_tunnel->udp_port == 4790)
1763 		return 0;
1764 	return -ENOTSUP;
1765 }
1766 
1767 /**
1768  * Initialize process private data structure.
1769  *
1770  * @param dev
1771  *   Pointer to Ethernet device structure.
1772  *
1773  * @return
1774  *   0 on success, a negative errno value otherwise and rte_errno is set.
1775  */
1776 int
1777 mlx5_proc_priv_init(struct rte_eth_dev *dev)
1778 {
1779 	struct mlx5_priv *priv = dev->data->dev_private;
1780 	struct mlx5_proc_priv *ppriv;
1781 	size_t ppriv_size;
1782 
1783 	mlx5_proc_priv_uninit(dev);
1784 	/*
1785 	 * UAR register table follows the process private structure. BlueFlame
1786 	 * registers for Tx queues are stored in the table.
1787 	 */
1788 	ppriv_size = sizeof(struct mlx5_proc_priv) +
1789 		     priv->txqs_n * sizeof(struct mlx5_uar_data);
1790 	ppriv = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO, ppriv_size,
1791 			    RTE_CACHE_LINE_SIZE, dev->device->numa_node);
1792 	if (!ppriv) {
1793 		rte_errno = ENOMEM;
1794 		return -rte_errno;
1795 	}
1796 	ppriv->uar_table_sz = priv->txqs_n;
1797 	dev->process_private = ppriv;
1798 	if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1799 		priv->sh->pppriv = ppriv;
1800 	return 0;
1801 }
1802 
1803 /**
1804  * Un-initialize process private data structure.
1805  *
1806  * @param dev
1807  *   Pointer to Ethernet device structure.
1808  */
1809 void
1810 mlx5_proc_priv_uninit(struct rte_eth_dev *dev)
1811 {
1812 	if (!dev->process_private)
1813 		return;
1814 	mlx5_free(dev->process_private);
1815 	dev->process_private = NULL;
1816 }
1817 
1818 /**
1819  * DPDK callback to close the device.
1820  *
1821  * Destroy all queues and objects, free memory.
1822  *
1823  * @param dev
1824  *   Pointer to Ethernet device structure.
1825  */
1826 int
1827 mlx5_dev_close(struct rte_eth_dev *dev)
1828 {
1829 	struct mlx5_priv *priv = dev->data->dev_private;
1830 	unsigned int i;
1831 	int ret;
1832 
1833 	if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
1834 		/* Check if process_private released. */
1835 		if (!dev->process_private)
1836 			return 0;
1837 		mlx5_tx_uar_uninit_secondary(dev);
1838 		mlx5_proc_priv_uninit(dev);
1839 		rte_eth_dev_release_port(dev);
1840 		return 0;
1841 	}
1842 	if (!priv->sh)
1843 		return 0;
1844 	DRV_LOG(DEBUG, "port %u closing device \"%s\"",
1845 		dev->data->port_id,
1846 		((priv->sh->cdev->ctx != NULL) ?
1847 		mlx5_os_get_ctx_device_name(priv->sh->cdev->ctx) : ""));
1848 	/*
1849 	 * If default mreg copy action is removed at the stop stage,
1850 	 * the search will return none and nothing will be done anymore.
1851 	 */
1852 	mlx5_flow_stop_default(dev);
1853 	mlx5_traffic_disable(dev);
1854 	/*
1855 	 * If all the flows are already flushed in the device stop stage,
1856 	 * then this will return directly without any action.
1857 	 */
1858 	mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, true);
1859 	mlx5_action_handle_flush(dev);
1860 	mlx5_flow_meter_flush(dev, NULL);
1861 	/* Prevent crashes when queues are still in use. */
1862 	dev->rx_pkt_burst = rte_eth_pkt_burst_dummy;
1863 	dev->tx_pkt_burst = rte_eth_pkt_burst_dummy;
1864 	rte_wmb();
1865 	/* Disable datapath on secondary process. */
1866 	mlx5_mp_os_req_stop_rxtx(dev);
1867 	/* Free the eCPRI flex parser resource. */
1868 	mlx5_flex_parser_ecpri_release(dev);
1869 	mlx5_flex_item_port_cleanup(dev);
1870 #if defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_INFINIBAND_VERBS_H)
1871 	flow_hw_resource_release(dev);
1872 #endif
1873 	if (priv->rxq_privs != NULL) {
1874 		/* XXX race condition if mlx5_rx_burst() is still running. */
1875 		rte_delay_us_sleep(1000);
1876 		for (i = 0; (i != priv->rxqs_n); ++i)
1877 			mlx5_rxq_release(dev, i);
1878 		priv->rxqs_n = 0;
1879 		mlx5_free(priv->rxq_privs);
1880 		priv->rxq_privs = NULL;
1881 	}
1882 	if (priv->txqs != NULL) {
1883 		/* XXX race condition if mlx5_tx_burst() is still running. */
1884 		rte_delay_us_sleep(1000);
1885 		for (i = 0; (i != priv->txqs_n); ++i)
1886 			mlx5_txq_release(dev, i);
1887 		priv->txqs_n = 0;
1888 		priv->txqs = NULL;
1889 	}
1890 	mlx5_proc_priv_uninit(dev);
1891 	if (priv->q_counters) {
1892 		mlx5_devx_cmd_destroy(priv->q_counters);
1893 		priv->q_counters = NULL;
1894 	}
1895 	if (priv->drop_queue.hrxq)
1896 		mlx5_drop_action_destroy(dev);
1897 	if (priv->mreg_cp_tbl)
1898 		mlx5_hlist_destroy(priv->mreg_cp_tbl);
1899 	mlx5_mprq_free_mp(dev);
1900 	mlx5_os_free_shared_dr(priv);
1901 	if (priv->rss_conf.rss_key != NULL)
1902 		mlx5_free(priv->rss_conf.rss_key);
1903 	if (priv->reta_idx != NULL)
1904 		mlx5_free(priv->reta_idx);
1905 	if (priv->sh->dev_cap.vf)
1906 		mlx5_os_mac_addr_flush(dev);
1907 	if (priv->nl_socket_route >= 0)
1908 		close(priv->nl_socket_route);
1909 	if (priv->nl_socket_rdma >= 0)
1910 		close(priv->nl_socket_rdma);
1911 	if (priv->vmwa_context)
1912 		mlx5_vlan_vmwa_exit(priv->vmwa_context);
1913 	ret = mlx5_hrxq_verify(dev);
1914 	if (ret)
1915 		DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
1916 			dev->data->port_id);
1917 	ret = mlx5_ind_table_obj_verify(dev);
1918 	if (ret)
1919 		DRV_LOG(WARNING, "port %u some indirection table still remain",
1920 			dev->data->port_id);
1921 	ret = mlx5_rxq_obj_verify(dev);
1922 	if (ret)
1923 		DRV_LOG(WARNING, "port %u some Rx queue objects still remain",
1924 			dev->data->port_id);
1925 	ret = mlx5_ext_rxq_verify(dev);
1926 	if (ret)
1927 		DRV_LOG(WARNING, "Port %u some external RxQ still remain.",
1928 			dev->data->port_id);
1929 	ret = mlx5_rxq_verify(dev);
1930 	if (ret)
1931 		DRV_LOG(WARNING, "port %u some Rx queues still remain",
1932 			dev->data->port_id);
1933 	ret = mlx5_txq_obj_verify(dev);
1934 	if (ret)
1935 		DRV_LOG(WARNING, "port %u some Verbs Tx queue still remain",
1936 			dev->data->port_id);
1937 	ret = mlx5_txq_verify(dev);
1938 	if (ret)
1939 		DRV_LOG(WARNING, "port %u some Tx queues still remain",
1940 			dev->data->port_id);
1941 	ret = mlx5_flow_verify(dev);
1942 	if (ret)
1943 		DRV_LOG(WARNING, "port %u some flows still remain",
1944 			dev->data->port_id);
1945 	if (priv->hrxqs)
1946 		mlx5_list_destroy(priv->hrxqs);
1947 	mlx5_free(priv->ext_rxqs);
1948 	/*
1949 	 * Free the shared context in last turn, because the cleanup
1950 	 * routines above may use some shared fields, like
1951 	 * mlx5_os_mac_addr_flush() uses ibdev_path for retrieving
1952 	 * ifindex if Netlink fails.
1953 	 */
1954 	mlx5_free_shared_dev_ctx(priv->sh);
1955 	if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
1956 		unsigned int c = 0;
1957 		uint16_t port_id;
1958 
1959 		MLX5_ETH_FOREACH_DEV(port_id, dev->device) {
1960 			struct mlx5_priv *opriv =
1961 				rte_eth_devices[port_id].data->dev_private;
1962 
1963 			if (!opriv ||
1964 			    opriv->domain_id != priv->domain_id ||
1965 			    &rte_eth_devices[port_id] == dev)
1966 				continue;
1967 			++c;
1968 			break;
1969 		}
1970 		if (!c)
1971 			claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1972 	}
1973 	memset(priv, 0, sizeof(*priv));
1974 	priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
1975 	/*
1976 	 * Reset mac_addrs to NULL such that it is not freed as part of
1977 	 * rte_eth_dev_release_port(). mac_addrs is part of dev_private so
1978 	 * it is freed when dev_private is freed.
1979 	 */
1980 	dev->data->mac_addrs = NULL;
1981 	return 0;
1982 }
1983 
1984 const struct eth_dev_ops mlx5_dev_ops = {
1985 	.dev_configure = mlx5_dev_configure,
1986 	.dev_start = mlx5_dev_start,
1987 	.dev_stop = mlx5_dev_stop,
1988 	.dev_set_link_down = mlx5_set_link_down,
1989 	.dev_set_link_up = mlx5_set_link_up,
1990 	.dev_close = mlx5_dev_close,
1991 	.promiscuous_enable = mlx5_promiscuous_enable,
1992 	.promiscuous_disable = mlx5_promiscuous_disable,
1993 	.allmulticast_enable = mlx5_allmulticast_enable,
1994 	.allmulticast_disable = mlx5_allmulticast_disable,
1995 	.link_update = mlx5_link_update,
1996 	.stats_get = mlx5_stats_get,
1997 	.stats_reset = mlx5_stats_reset,
1998 	.xstats_get = mlx5_xstats_get,
1999 	.xstats_reset = mlx5_xstats_reset,
2000 	.xstats_get_names = mlx5_xstats_get_names,
2001 	.fw_version_get = mlx5_fw_version_get,
2002 	.dev_infos_get = mlx5_dev_infos_get,
2003 	.representor_info_get = mlx5_representor_info_get,
2004 	.read_clock = mlx5_txpp_read_clock,
2005 	.dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2006 	.vlan_filter_set = mlx5_vlan_filter_set,
2007 	.rx_queue_setup = mlx5_rx_queue_setup,
2008 	.rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2009 	.tx_queue_setup = mlx5_tx_queue_setup,
2010 	.tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2011 	.rx_queue_release = mlx5_rx_queue_release,
2012 	.tx_queue_release = mlx5_tx_queue_release,
2013 	.rx_queue_start = mlx5_rx_queue_start,
2014 	.rx_queue_stop = mlx5_rx_queue_stop,
2015 	.tx_queue_start = mlx5_tx_queue_start,
2016 	.tx_queue_stop = mlx5_tx_queue_stop,
2017 	.flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2018 	.flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2019 	.mac_addr_remove = mlx5_mac_addr_remove,
2020 	.mac_addr_add = mlx5_mac_addr_add,
2021 	.mac_addr_set = mlx5_mac_addr_set,
2022 	.set_mc_addr_list = mlx5_set_mc_addr_list,
2023 	.mtu_set = mlx5_dev_set_mtu,
2024 	.vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2025 	.vlan_offload_set = mlx5_vlan_offload_set,
2026 	.reta_update = mlx5_dev_rss_reta_update,
2027 	.reta_query = mlx5_dev_rss_reta_query,
2028 	.rss_hash_update = mlx5_rss_hash_update,
2029 	.rss_hash_conf_get = mlx5_rss_hash_conf_get,
2030 	.flow_ops_get = mlx5_flow_ops_get,
2031 	.rxq_info_get = mlx5_rxq_info_get,
2032 	.txq_info_get = mlx5_txq_info_get,
2033 	.rx_burst_mode_get = mlx5_rx_burst_mode_get,
2034 	.tx_burst_mode_get = mlx5_tx_burst_mode_get,
2035 	.rx_queue_intr_enable = mlx5_rx_intr_enable,
2036 	.rx_queue_intr_disable = mlx5_rx_intr_disable,
2037 	.is_removed = mlx5_is_removed,
2038 	.udp_tunnel_port_add  = mlx5_udp_tunnel_port_add,
2039 	.get_module_info = mlx5_get_module_info,
2040 	.get_module_eeprom = mlx5_get_module_eeprom,
2041 	.hairpin_cap_get = mlx5_hairpin_cap_get,
2042 	.mtr_ops_get = mlx5_flow_meter_ops_get,
2043 	.hairpin_bind = mlx5_hairpin_bind,
2044 	.hairpin_unbind = mlx5_hairpin_unbind,
2045 	.hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
2046 	.hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
2047 	.hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
2048 	.hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
2049 	.get_monitor_addr = mlx5_get_monitor_addr,
2050 };
2051 
2052 /* Available operations from secondary process. */
2053 const struct eth_dev_ops mlx5_dev_sec_ops = {
2054 	.stats_get = mlx5_stats_get,
2055 	.stats_reset = mlx5_stats_reset,
2056 	.xstats_get = mlx5_xstats_get,
2057 	.xstats_reset = mlx5_xstats_reset,
2058 	.xstats_get_names = mlx5_xstats_get_names,
2059 	.fw_version_get = mlx5_fw_version_get,
2060 	.dev_infos_get = mlx5_dev_infos_get,
2061 	.representor_info_get = mlx5_representor_info_get,
2062 	.read_clock = mlx5_txpp_read_clock,
2063 	.rx_queue_start = mlx5_rx_queue_start,
2064 	.rx_queue_stop = mlx5_rx_queue_stop,
2065 	.tx_queue_start = mlx5_tx_queue_start,
2066 	.tx_queue_stop = mlx5_tx_queue_stop,
2067 	.rxq_info_get = mlx5_rxq_info_get,
2068 	.txq_info_get = mlx5_txq_info_get,
2069 	.rx_burst_mode_get = mlx5_rx_burst_mode_get,
2070 	.tx_burst_mode_get = mlx5_tx_burst_mode_get,
2071 	.get_module_info = mlx5_get_module_info,
2072 	.get_module_eeprom = mlx5_get_module_eeprom,
2073 };
2074 
2075 /* Available operations in flow isolated mode. */
2076 const struct eth_dev_ops mlx5_dev_ops_isolate = {
2077 	.dev_configure = mlx5_dev_configure,
2078 	.dev_start = mlx5_dev_start,
2079 	.dev_stop = mlx5_dev_stop,
2080 	.dev_set_link_down = mlx5_set_link_down,
2081 	.dev_set_link_up = mlx5_set_link_up,
2082 	.dev_close = mlx5_dev_close,
2083 	.promiscuous_enable = mlx5_promiscuous_enable,
2084 	.promiscuous_disable = mlx5_promiscuous_disable,
2085 	.allmulticast_enable = mlx5_allmulticast_enable,
2086 	.allmulticast_disable = mlx5_allmulticast_disable,
2087 	.link_update = mlx5_link_update,
2088 	.stats_get = mlx5_stats_get,
2089 	.stats_reset = mlx5_stats_reset,
2090 	.xstats_get = mlx5_xstats_get,
2091 	.xstats_reset = mlx5_xstats_reset,
2092 	.xstats_get_names = mlx5_xstats_get_names,
2093 	.fw_version_get = mlx5_fw_version_get,
2094 	.dev_infos_get = mlx5_dev_infos_get,
2095 	.representor_info_get = mlx5_representor_info_get,
2096 	.read_clock = mlx5_txpp_read_clock,
2097 	.dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2098 	.vlan_filter_set = mlx5_vlan_filter_set,
2099 	.rx_queue_setup = mlx5_rx_queue_setup,
2100 	.rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2101 	.tx_queue_setup = mlx5_tx_queue_setup,
2102 	.tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2103 	.rx_queue_release = mlx5_rx_queue_release,
2104 	.tx_queue_release = mlx5_tx_queue_release,
2105 	.rx_queue_start = mlx5_rx_queue_start,
2106 	.rx_queue_stop = mlx5_rx_queue_stop,
2107 	.tx_queue_start = mlx5_tx_queue_start,
2108 	.tx_queue_stop = mlx5_tx_queue_stop,
2109 	.flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2110 	.flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2111 	.mac_addr_remove = mlx5_mac_addr_remove,
2112 	.mac_addr_add = mlx5_mac_addr_add,
2113 	.mac_addr_set = mlx5_mac_addr_set,
2114 	.set_mc_addr_list = mlx5_set_mc_addr_list,
2115 	.mtu_set = mlx5_dev_set_mtu,
2116 	.vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2117 	.vlan_offload_set = mlx5_vlan_offload_set,
2118 	.flow_ops_get = mlx5_flow_ops_get,
2119 	.rxq_info_get = mlx5_rxq_info_get,
2120 	.txq_info_get = mlx5_txq_info_get,
2121 	.rx_burst_mode_get = mlx5_rx_burst_mode_get,
2122 	.tx_burst_mode_get = mlx5_tx_burst_mode_get,
2123 	.rx_queue_intr_enable = mlx5_rx_intr_enable,
2124 	.rx_queue_intr_disable = mlx5_rx_intr_disable,
2125 	.is_removed = mlx5_is_removed,
2126 	.get_module_info = mlx5_get_module_info,
2127 	.get_module_eeprom = mlx5_get_module_eeprom,
2128 	.hairpin_cap_get = mlx5_hairpin_cap_get,
2129 	.mtr_ops_get = mlx5_flow_meter_ops_get,
2130 	.hairpin_bind = mlx5_hairpin_bind,
2131 	.hairpin_unbind = mlx5_hairpin_unbind,
2132 	.hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
2133 	.hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
2134 	.hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
2135 	.hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
2136 	.get_monitor_addr = mlx5_get_monitor_addr,
2137 };
2138 
2139 /**
2140  * Verify and store value for device argument.
2141  *
2142  * @param[in] key
2143  *   Key argument to verify.
2144  * @param[in] val
2145  *   Value associated with key.
2146  * @param opaque
2147  *   User data.
2148  *
2149  * @return
2150  *   0 on success, a negative errno value otherwise and rte_errno is set.
2151  */
2152 static int
2153 mlx5_port_args_check_handler(const char *key, const char *val, void *opaque)
2154 {
2155 	struct mlx5_port_config *config = opaque;
2156 	signed long tmp;
2157 
2158 	/* No-op, port representors are processed in mlx5_dev_spawn(). */
2159 	if (!strcmp(MLX5_REPRESENTOR, key))
2160 		return 0;
2161 	errno = 0;
2162 	tmp = strtol(val, NULL, 0);
2163 	if (errno) {
2164 		rte_errno = errno;
2165 		DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
2166 		return -rte_errno;
2167 	}
2168 	if (tmp < 0) {
2169 		/* Negative values are acceptable for some keys only. */
2170 		rte_errno = EINVAL;
2171 		DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val);
2172 		return -rte_errno;
2173 	}
2174 	if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
2175 		if (tmp > MLX5_CQE_RESP_FORMAT_L34H_STRIDX) {
2176 			DRV_LOG(ERR, "invalid CQE compression "
2177 				     "format parameter");
2178 			rte_errno = EINVAL;
2179 			return -rte_errno;
2180 		}
2181 		config->cqe_comp = !!tmp;
2182 		config->cqe_comp_fmt = tmp;
2183 	} else if (strcmp(MLX5_RXQ_PKT_PAD_EN, key) == 0) {
2184 		config->hw_padding = !!tmp;
2185 	} else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
2186 		config->mprq.enabled = !!tmp;
2187 	} else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
2188 		config->mprq.log_stride_num = tmp;
2189 	} else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_SIZE, key) == 0) {
2190 		config->mprq.log_stride_size = tmp;
2191 	} else if (strcmp(MLX5_RX_MPRQ_MAX_MEMCPY_LEN, key) == 0) {
2192 		config->mprq.max_memcpy_len = tmp;
2193 	} else if (strcmp(MLX5_RXQS_MIN_MPRQ, key) == 0) {
2194 		config->mprq.min_rxqs_num = tmp;
2195 	} else if (strcmp(MLX5_TXQ_INLINE, key) == 0) {
2196 		DRV_LOG(WARNING, "%s: deprecated parameter,"
2197 				 " converted to txq_inline_max", key);
2198 		config->txq_inline_max = tmp;
2199 	} else if (strcmp(MLX5_TXQ_INLINE_MAX, key) == 0) {
2200 		config->txq_inline_max = tmp;
2201 	} else if (strcmp(MLX5_TXQ_INLINE_MIN, key) == 0) {
2202 		config->txq_inline_min = tmp;
2203 	} else if (strcmp(MLX5_TXQ_INLINE_MPW, key) == 0) {
2204 		config->txq_inline_mpw = tmp;
2205 	} else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
2206 		config->txqs_inline = tmp;
2207 	} else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
2208 		DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
2209 	} else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
2210 		config->mps = !!tmp;
2211 	} else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
2212 		DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
2213 	} else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
2214 		DRV_LOG(WARNING, "%s: deprecated parameter,"
2215 				 " converted to txq_inline_mpw", key);
2216 		config->txq_inline_mpw = tmp;
2217 	} else if (strcmp(MLX5_TX_VEC_EN, key) == 0) {
2218 		DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
2219 	} else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
2220 		config->rx_vec_en = !!tmp;
2221 	} else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
2222 		config->max_dump_files_num = tmp;
2223 	} else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) {
2224 		config->lro_timeout = tmp;
2225 	} else if (strcmp(MLX5_HP_BUF_SIZE, key) == 0) {
2226 		config->log_hp_size = tmp;
2227 	} else if (strcmp(MLX5_DELAY_DROP, key) == 0) {
2228 		config->std_delay_drop = !!(tmp & MLX5_DELAY_DROP_STANDARD);
2229 		config->hp_delay_drop = !!(tmp & MLX5_DELAY_DROP_HAIRPIN);
2230 	}
2231 	return 0;
2232 }
2233 
2234 /**
2235  * Parse user port parameters and adjust them according to device capabilities.
2236  *
2237  * @param priv
2238  *   Pointer to shared device context.
2239  * @param mkvlist
2240  *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
2241  * @param config
2242  *   Pointer to port configuration structure.
2243  *
2244  * @return
2245  *   0 on success, a negative errno value otherwise and rte_errno is set.
2246  */
2247 int
2248 mlx5_port_args_config(struct mlx5_priv *priv, struct mlx5_kvargs_ctrl *mkvlist,
2249 		      struct mlx5_port_config *config)
2250 {
2251 	struct mlx5_hca_attr *hca_attr = &priv->sh->cdev->config.hca_attr;
2252 	struct mlx5_dev_cap *dev_cap = &priv->sh->dev_cap;
2253 	bool devx = priv->sh->cdev->config.devx;
2254 	const char **params = (const char *[]){
2255 		MLX5_RXQ_CQE_COMP_EN,
2256 		MLX5_RXQ_PKT_PAD_EN,
2257 		MLX5_RX_MPRQ_EN,
2258 		MLX5_RX_MPRQ_LOG_STRIDE_NUM,
2259 		MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
2260 		MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
2261 		MLX5_RXQS_MIN_MPRQ,
2262 		MLX5_TXQ_INLINE,
2263 		MLX5_TXQ_INLINE_MIN,
2264 		MLX5_TXQ_INLINE_MAX,
2265 		MLX5_TXQ_INLINE_MPW,
2266 		MLX5_TXQS_MIN_INLINE,
2267 		MLX5_TXQS_MAX_VEC,
2268 		MLX5_TXQ_MPW_EN,
2269 		MLX5_TXQ_MPW_HDR_DSEG_EN,
2270 		MLX5_TXQ_MAX_INLINE_LEN,
2271 		MLX5_TX_VEC_EN,
2272 		MLX5_RX_VEC_EN,
2273 		MLX5_REPRESENTOR,
2274 		MLX5_MAX_DUMP_FILES_NUM,
2275 		MLX5_LRO_TIMEOUT_USEC,
2276 		MLX5_HP_BUF_SIZE,
2277 		MLX5_DELAY_DROP,
2278 		NULL,
2279 	};
2280 	int ret = 0;
2281 
2282 	/* Default configuration. */
2283 	memset(config, 0, sizeof(*config));
2284 	config->mps = MLX5_ARG_UNSET;
2285 	config->cqe_comp = 1;
2286 	config->rx_vec_en = 1;
2287 	config->txq_inline_max = MLX5_ARG_UNSET;
2288 	config->txq_inline_min = MLX5_ARG_UNSET;
2289 	config->txq_inline_mpw = MLX5_ARG_UNSET;
2290 	config->txqs_inline = MLX5_ARG_UNSET;
2291 	config->mprq.max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN;
2292 	config->mprq.min_rxqs_num = MLX5_MPRQ_MIN_RXQS;
2293 	config->mprq.log_stride_num = MLX5_MPRQ_DEFAULT_LOG_STRIDE_NUM;
2294 	config->log_hp_size = MLX5_ARG_UNSET;
2295 	config->std_delay_drop = 0;
2296 	config->hp_delay_drop = 0;
2297 	if (mkvlist != NULL) {
2298 		/* Process parameters. */
2299 		ret = mlx5_kvargs_process(mkvlist, params,
2300 					  mlx5_port_args_check_handler, config);
2301 		if (ret) {
2302 			DRV_LOG(ERR, "Failed to process port arguments: %s",
2303 				strerror(rte_errno));
2304 			return -rte_errno;
2305 		}
2306 	}
2307 	/* Adjust parameters according to device capabilities. */
2308 	if (config->hw_padding && !dev_cap->hw_padding) {
2309 		DRV_LOG(DEBUG, "Rx end alignment padding isn't supported.");
2310 		config->hw_padding = 0;
2311 	} else if (config->hw_padding) {
2312 		DRV_LOG(DEBUG, "Rx end alignment padding is enabled.");
2313 	}
2314 	/*
2315 	 * MPW is disabled by default, while the Enhanced MPW is enabled
2316 	 * by default.
2317 	 */
2318 	if (config->mps == MLX5_ARG_UNSET)
2319 		config->mps = (dev_cap->mps == MLX5_MPW_ENHANCED) ?
2320 			      MLX5_MPW_ENHANCED : MLX5_MPW_DISABLED;
2321 	else
2322 		config->mps = config->mps ? dev_cap->mps : MLX5_MPW_DISABLED;
2323 	DRV_LOG(INFO, "%sMPS is %s",
2324 		config->mps == MLX5_MPW_ENHANCED ? "enhanced " :
2325 		config->mps == MLX5_MPW ? "legacy " : "",
2326 		config->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
2327 	/* LRO is supported only when DV flow enabled. */
2328 	if (dev_cap->lro_supported && !priv->sh->config.dv_flow_en)
2329 		dev_cap->lro_supported = 0;
2330 	if (dev_cap->lro_supported) {
2331 		/*
2332 		 * If LRO timeout is not configured by application,
2333 		 * use the minimal supported value.
2334 		 */
2335 		if (!config->lro_timeout)
2336 			config->lro_timeout =
2337 				       hca_attr->lro_timer_supported_periods[0];
2338 		DRV_LOG(DEBUG, "LRO session timeout set to %d usec.",
2339 			config->lro_timeout);
2340 	}
2341 	if (config->cqe_comp && !dev_cap->cqe_comp) {
2342 		DRV_LOG(WARNING, "Rx CQE 128B compression is not supported.");
2343 		config->cqe_comp = 0;
2344 	}
2345 	if (config->cqe_comp_fmt == MLX5_CQE_RESP_FORMAT_FTAG_STRIDX &&
2346 	    (!devx || !hca_attr->mini_cqe_resp_flow_tag)) {
2347 		DRV_LOG(WARNING,
2348 			"Flow Tag CQE compression format isn't supported.");
2349 		config->cqe_comp = 0;
2350 	}
2351 	if (config->cqe_comp_fmt == MLX5_CQE_RESP_FORMAT_L34H_STRIDX &&
2352 	    (!devx || !hca_attr->mini_cqe_resp_l3_l4_tag)) {
2353 		DRV_LOG(WARNING,
2354 			"L3/L4 Header CQE compression format isn't supported.");
2355 		config->cqe_comp = 0;
2356 	}
2357 	DRV_LOG(DEBUG, "Rx CQE compression is %ssupported.",
2358 		config->cqe_comp ? "" : "not ");
2359 	if ((config->std_delay_drop || config->hp_delay_drop) &&
2360 	    !dev_cap->rq_delay_drop_en) {
2361 		config->std_delay_drop = 0;
2362 		config->hp_delay_drop = 0;
2363 		DRV_LOG(WARNING, "dev_port-%u: Rxq delay drop isn't supported.",
2364 			priv->dev_port);
2365 	}
2366 	if (config->mprq.enabled && !priv->sh->dev_cap.mprq.enabled) {
2367 		DRV_LOG(WARNING, "Multi-Packet RQ isn't supported.");
2368 		config->mprq.enabled = 0;
2369 	}
2370 	if (config->max_dump_files_num == 0)
2371 		config->max_dump_files_num = 128;
2372 	/* Detect minimal data bytes to inline. */
2373 	mlx5_set_min_inline(priv);
2374 	DRV_LOG(DEBUG, "VLAN insertion in WQE is %ssupported.",
2375 		config->hw_vlan_insert ? "" : "not ");
2376 	DRV_LOG(DEBUG, "\"rxq_pkt_pad_en\" is %u.", config->hw_padding);
2377 	DRV_LOG(DEBUG, "\"rxq_cqe_comp_en\" is %u.", config->cqe_comp);
2378 	DRV_LOG(DEBUG, "\"cqe_comp_fmt\" is %u.", config->cqe_comp_fmt);
2379 	DRV_LOG(DEBUG, "\"rx_vec_en\" is %u.", config->rx_vec_en);
2380 	DRV_LOG(DEBUG, "Standard \"delay_drop\" is %u.",
2381 		config->std_delay_drop);
2382 	DRV_LOG(DEBUG, "Hairpin \"delay_drop\" is %u.", config->hp_delay_drop);
2383 	DRV_LOG(DEBUG, "\"max_dump_files_num\" is %u.",
2384 		config->max_dump_files_num);
2385 	DRV_LOG(DEBUG, "\"log_hp_size\" is %u.", config->log_hp_size);
2386 	DRV_LOG(DEBUG, "\"mprq_en\" is %u.", config->mprq.enabled);
2387 	DRV_LOG(DEBUG, "\"mprq_log_stride_num\" is %u.",
2388 		config->mprq.log_stride_num);
2389 	DRV_LOG(DEBUG, "\"mprq_log_stride_size\" is %u.",
2390 		config->mprq.log_stride_size);
2391 	DRV_LOG(DEBUG, "\"mprq_max_memcpy_len\" is %u.",
2392 		config->mprq.max_memcpy_len);
2393 	DRV_LOG(DEBUG, "\"rxqs_min_mprq\" is %u.", config->mprq.min_rxqs_num);
2394 	DRV_LOG(DEBUG, "\"lro_timeout_usec\" is %u.", config->lro_timeout);
2395 	DRV_LOG(DEBUG, "\"txq_mpw_en\" is %d.", config->mps);
2396 	DRV_LOG(DEBUG, "\"txqs_min_inline\" is %d.", config->txqs_inline);
2397 	DRV_LOG(DEBUG, "\"txq_inline_min\" is %d.", config->txq_inline_min);
2398 	DRV_LOG(DEBUG, "\"txq_inline_max\" is %d.", config->txq_inline_max);
2399 	DRV_LOG(DEBUG, "\"txq_inline_mpw\" is %d.", config->txq_inline_mpw);
2400 	return 0;
2401 }
2402 
2403 /**
2404  * Print the key for device argument.
2405  *
2406  * It is "dummy" handler whose whole purpose is to enable using
2407  * mlx5_kvargs_process() function which set devargs as used.
2408  *
2409  * @param key
2410  *   Key argument.
2411  * @param val
2412  *   Value associated with key, unused.
2413  * @param opaque
2414  *   Unused, can be NULL.
2415  *
2416  * @return
2417  *   0 on success, function cannot fail.
2418  */
2419 static int
2420 mlx5_dummy_handler(const char *key, const char *val, void *opaque)
2421 {
2422 	DRV_LOG(DEBUG, "\tKey: \"%s\" is set as used.", key);
2423 	RTE_SET_USED(opaque);
2424 	RTE_SET_USED(val);
2425 	return 0;
2426 }
2427 
2428 /**
2429  * Set requested devargs as used when device is already spawned.
2430  *
2431  * It is necessary since it is valid to ask probe again for existing device,
2432  * if its devargs don't assign as used, mlx5_kvargs_validate() will fail.
2433  *
2434  * @param name
2435  *   Name of the existing device.
2436  * @param port_id
2437  *   Port identifier of the device.
2438  * @param mkvlist
2439  *   Pointer to mlx5 kvargs control to sign as used.
2440  */
2441 void
2442 mlx5_port_args_set_used(const char *name, uint16_t port_id,
2443 			struct mlx5_kvargs_ctrl *mkvlist)
2444 {
2445 	const char **params = (const char *[]){
2446 		MLX5_RXQ_CQE_COMP_EN,
2447 		MLX5_RXQ_PKT_PAD_EN,
2448 		MLX5_RX_MPRQ_EN,
2449 		MLX5_RX_MPRQ_LOG_STRIDE_NUM,
2450 		MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
2451 		MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
2452 		MLX5_RXQS_MIN_MPRQ,
2453 		MLX5_TXQ_INLINE,
2454 		MLX5_TXQ_INLINE_MIN,
2455 		MLX5_TXQ_INLINE_MAX,
2456 		MLX5_TXQ_INLINE_MPW,
2457 		MLX5_TXQS_MIN_INLINE,
2458 		MLX5_TXQS_MAX_VEC,
2459 		MLX5_TXQ_MPW_EN,
2460 		MLX5_TXQ_MPW_HDR_DSEG_EN,
2461 		MLX5_TXQ_MAX_INLINE_LEN,
2462 		MLX5_TX_VEC_EN,
2463 		MLX5_RX_VEC_EN,
2464 		MLX5_REPRESENTOR,
2465 		MLX5_MAX_DUMP_FILES_NUM,
2466 		MLX5_LRO_TIMEOUT_USEC,
2467 		MLX5_HP_BUF_SIZE,
2468 		MLX5_DELAY_DROP,
2469 		NULL,
2470 	};
2471 
2472 	/* Secondary process should not handle devargs. */
2473 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2474 		return;
2475 	MLX5_ASSERT(mkvlist != NULL);
2476 	DRV_LOG(DEBUG, "Ethernet device \"%s\" for port %u "
2477 		"already exists, set devargs as used:", name, port_id);
2478 	/* This function cannot fail with this handler. */
2479 	mlx5_kvargs_process(mkvlist, params, mlx5_dummy_handler, NULL);
2480 }
2481 
2482 /**
2483  * Check sibling device configurations when probing again.
2484  *
2485  * Sibling devices sharing infiniband device context should have compatible
2486  * configurations. This regards representors and bonding device.
2487  *
2488  * @param cdev
2489  *   Pointer to mlx5 device structure.
2490  * @param mkvlist
2491  *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
2492  *
2493  * @return
2494  *   0 on success, a negative errno value otherwise and rte_errno is set.
2495  */
2496 int
2497 mlx5_probe_again_args_validate(struct mlx5_common_device *cdev,
2498 			       struct mlx5_kvargs_ctrl *mkvlist)
2499 {
2500 	struct mlx5_dev_ctx_shared *sh = NULL;
2501 	struct mlx5_sh_config *config;
2502 	int ret;
2503 
2504 	/* Secondary process should not handle devargs. */
2505 	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2506 		return 0;
2507 	pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
2508 	/* Search for IB context by common device pointer. */
2509 	LIST_FOREACH(sh, &mlx5_dev_ctx_list, next)
2510 		if (sh->cdev == cdev)
2511 			break;
2512 	pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
2513 	/* There is sh for this device -> it isn't probe again. */
2514 	if (sh == NULL)
2515 		return 0;
2516 	config = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
2517 			     sizeof(struct mlx5_sh_config),
2518 			     RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
2519 	if (config == NULL) {
2520 		rte_errno = -ENOMEM;
2521 		return -rte_errno;
2522 	}
2523 	/*
2524 	 * Creates a temporary IB context configure structure according to new
2525 	 * devargs attached in probing again.
2526 	 */
2527 	ret = mlx5_shared_dev_ctx_args_config(sh, mkvlist, config);
2528 	if (ret) {
2529 		DRV_LOG(ERR, "Failed to process device configure: %s",
2530 			strerror(rte_errno));
2531 		mlx5_free(config);
2532 		return ret;
2533 	}
2534 	/*
2535 	 * Checks the match between the temporary structure and the existing
2536 	 * IB context structure.
2537 	 */
2538 	if (sh->config.dv_flow_en ^ config->dv_flow_en) {
2539 		DRV_LOG(ERR, "\"dv_flow_en\" "
2540 			"configuration mismatch for shared %s context.",
2541 			sh->ibdev_name);
2542 		goto error;
2543 	}
2544 	if ((sh->config.dv_xmeta_en ^ config->dv_xmeta_en) ||
2545 	    (sh->config.dv_miss_info ^ config->dv_miss_info)) {
2546 		DRV_LOG(ERR, "\"dv_xmeta_en\" "
2547 			"configuration mismatch for shared %s context.",
2548 			sh->ibdev_name);
2549 		goto error;
2550 	}
2551 	if (sh->config.dv_esw_en ^ config->dv_esw_en) {
2552 		DRV_LOG(ERR, "\"dv_esw_en\" "
2553 			"configuration mismatch for shared %s context.",
2554 			sh->ibdev_name);
2555 		goto error;
2556 	}
2557 	if (sh->config.reclaim_mode ^ config->reclaim_mode) {
2558 		DRV_LOG(ERR, "\"reclaim_mode\" "
2559 			"configuration mismatch for shared %s context.",
2560 			sh->ibdev_name);
2561 		goto error;
2562 	}
2563 	if (sh->config.allow_duplicate_pattern ^
2564 	    config->allow_duplicate_pattern) {
2565 		DRV_LOG(ERR, "\"allow_duplicate_pattern\" "
2566 			"configuration mismatch for shared %s context.",
2567 			sh->ibdev_name);
2568 		goto error;
2569 	}
2570 	if (sh->config.l3_vxlan_en ^ config->l3_vxlan_en) {
2571 		DRV_LOG(ERR, "\"l3_vxlan_en\" "
2572 			"configuration mismatch for shared %s context.",
2573 			sh->ibdev_name);
2574 		goto error;
2575 	}
2576 	if (sh->config.decap_en ^ config->decap_en) {
2577 		DRV_LOG(ERR, "\"decap_en\" "
2578 			"configuration mismatch for shared %s context.",
2579 			sh->ibdev_name);
2580 		goto error;
2581 	}
2582 	if (sh->config.lacp_by_user ^ config->lacp_by_user) {
2583 		DRV_LOG(ERR, "\"lacp_by_user\" "
2584 			"configuration mismatch for shared %s context.",
2585 			sh->ibdev_name);
2586 		goto error;
2587 	}
2588 	if (sh->config.tx_pp ^ config->tx_pp) {
2589 		DRV_LOG(ERR, "\"tx_pp\" "
2590 			"configuration mismatch for shared %s context.",
2591 			sh->ibdev_name);
2592 		goto error;
2593 	}
2594 	if (sh->config.tx_skew ^ config->tx_skew) {
2595 		DRV_LOG(ERR, "\"tx_skew\" "
2596 			"configuration mismatch for shared %s context.",
2597 			sh->ibdev_name);
2598 		goto error;
2599 	}
2600 	mlx5_free(config);
2601 	return 0;
2602 error:
2603 	mlx5_free(config);
2604 	rte_errno = EINVAL;
2605 	return -rte_errno;
2606 }
2607 
2608 /**
2609  * Configures the minimal amount of data to inline into WQE
2610  * while sending packets.
2611  *
2612  * - the txq_inline_min has the maximal priority, if this
2613  *   key is specified in devargs
2614  * - if DevX is enabled the inline mode is queried from the
2615  *   device (HCA attributes and NIC vport context if needed).
2616  * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4 Lx
2617  *   and none (0 bytes) for other NICs
2618  *
2619  * @param priv
2620  *   Pointer to the private device data structure.
2621  */
2622 void
2623 mlx5_set_min_inline(struct mlx5_priv *priv)
2624 {
2625 	struct mlx5_hca_attr *hca_attr = &priv->sh->cdev->config.hca_attr;
2626 	struct mlx5_port_config *config = &priv->config;
2627 
2628 	if (config->txq_inline_min != MLX5_ARG_UNSET) {
2629 		/* Application defines size of inlined data explicitly. */
2630 		if (priv->pci_dev != NULL) {
2631 			switch (priv->pci_dev->id.device_id) {
2632 			case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
2633 			case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2634 				if (config->txq_inline_min <
2635 					       (int)MLX5_INLINE_HSIZE_L2) {
2636 					DRV_LOG(DEBUG,
2637 						"txq_inline_mix aligned to minimal ConnectX-4 required value %d",
2638 						(int)MLX5_INLINE_HSIZE_L2);
2639 					config->txq_inline_min =
2640 							MLX5_INLINE_HSIZE_L2;
2641 				}
2642 				break;
2643 			}
2644 		}
2645 		goto exit;
2646 	}
2647 	if (hca_attr->eth_net_offloads) {
2648 		/* We have DevX enabled, inline mode queried successfully. */
2649 		switch (hca_attr->wqe_inline_mode) {
2650 		case MLX5_CAP_INLINE_MODE_L2:
2651 			/* outer L2 header must be inlined. */
2652 			config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
2653 			goto exit;
2654 		case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
2655 			/* No inline data are required by NIC. */
2656 			config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2657 			config->hw_vlan_insert =
2658 				hca_attr->wqe_vlan_insert;
2659 			DRV_LOG(DEBUG, "Tx VLAN insertion is supported");
2660 			goto exit;
2661 		case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
2662 			/* inline mode is defined by NIC vport context. */
2663 			if (!hca_attr->eth_virt)
2664 				break;
2665 			switch (hca_attr->vport_inline_mode) {
2666 			case MLX5_INLINE_MODE_NONE:
2667 				config->txq_inline_min =
2668 					MLX5_INLINE_HSIZE_NONE;
2669 				goto exit;
2670 			case MLX5_INLINE_MODE_L2:
2671 				config->txq_inline_min =
2672 					MLX5_INLINE_HSIZE_L2;
2673 				goto exit;
2674 			case MLX5_INLINE_MODE_IP:
2675 				config->txq_inline_min =
2676 					MLX5_INLINE_HSIZE_L3;
2677 				goto exit;
2678 			case MLX5_INLINE_MODE_TCP_UDP:
2679 				config->txq_inline_min =
2680 					MLX5_INLINE_HSIZE_L4;
2681 				goto exit;
2682 			case MLX5_INLINE_MODE_INNER_L2:
2683 				config->txq_inline_min =
2684 					MLX5_INLINE_HSIZE_INNER_L2;
2685 				goto exit;
2686 			case MLX5_INLINE_MODE_INNER_IP:
2687 				config->txq_inline_min =
2688 					MLX5_INLINE_HSIZE_INNER_L3;
2689 				goto exit;
2690 			case MLX5_INLINE_MODE_INNER_TCP_UDP:
2691 				config->txq_inline_min =
2692 					MLX5_INLINE_HSIZE_INNER_L4;
2693 				goto exit;
2694 			}
2695 		}
2696 	}
2697 	if (priv->pci_dev == NULL) {
2698 		config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2699 		goto exit;
2700 	}
2701 	/*
2702 	 * We get here if we are unable to deduce
2703 	 * inline data size with DevX. Try PCI ID
2704 	 * to determine old NICs.
2705 	 */
2706 	switch (priv->pci_dev->id.device_id) {
2707 	case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
2708 	case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2709 	case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
2710 	case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
2711 		config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
2712 		config->hw_vlan_insert = 0;
2713 		break;
2714 	case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
2715 	case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
2716 	case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
2717 	case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
2718 		/*
2719 		 * These NICs support VLAN insertion from WQE and
2720 		 * report the wqe_vlan_insert flag. But there is the bug
2721 		 * and PFC control may be broken, so disable feature.
2722 		 */
2723 		config->hw_vlan_insert = 0;
2724 		config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2725 		break;
2726 	default:
2727 		config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
2728 		break;
2729 	}
2730 exit:
2731 	DRV_LOG(DEBUG, "min tx inline configured: %d", config->txq_inline_min);
2732 }
2733 
2734 /**
2735  * Configures the metadata mask fields in the shared context.
2736  *
2737  * @param [in] dev
2738  *   Pointer to Ethernet device.
2739  */
2740 void
2741 mlx5_set_metadata_mask(struct rte_eth_dev *dev)
2742 {
2743 	struct mlx5_priv *priv = dev->data->dev_private;
2744 	struct mlx5_dev_ctx_shared *sh = priv->sh;
2745 	uint32_t meta, mark, reg_c0;
2746 
2747 	reg_c0 = ~priv->vport_meta_mask;
2748 	switch (sh->config.dv_xmeta_en) {
2749 	case MLX5_XMETA_MODE_LEGACY:
2750 		meta = UINT32_MAX;
2751 		mark = MLX5_FLOW_MARK_MASK;
2752 		break;
2753 	case MLX5_XMETA_MODE_META16:
2754 		meta = reg_c0 >> rte_bsf32(reg_c0);
2755 		mark = MLX5_FLOW_MARK_MASK;
2756 		break;
2757 	case MLX5_XMETA_MODE_META32:
2758 		meta = UINT32_MAX;
2759 		mark = (reg_c0 >> rte_bsf32(reg_c0)) & MLX5_FLOW_MARK_MASK;
2760 		break;
2761 	default:
2762 		meta = 0;
2763 		mark = 0;
2764 		MLX5_ASSERT(false);
2765 		break;
2766 	}
2767 	if (sh->dv_mark_mask && sh->dv_mark_mask != mark)
2768 		DRV_LOG(WARNING, "metadata MARK mask mismatch %08X:%08X",
2769 				 sh->dv_mark_mask, mark);
2770 	else
2771 		sh->dv_mark_mask = mark;
2772 	if (sh->dv_meta_mask && sh->dv_meta_mask != meta)
2773 		DRV_LOG(WARNING, "metadata META mask mismatch %08X:%08X",
2774 				 sh->dv_meta_mask, meta);
2775 	else
2776 		sh->dv_meta_mask = meta;
2777 	if (sh->dv_regc0_mask && sh->dv_regc0_mask != reg_c0)
2778 		DRV_LOG(WARNING, "metadata reg_c0 mask mismatch %08X:%08X",
2779 				 sh->dv_meta_mask, reg_c0);
2780 	else
2781 		sh->dv_regc0_mask = reg_c0;
2782 	DRV_LOG(DEBUG, "metadata mode %u", sh->config.dv_xmeta_en);
2783 	DRV_LOG(DEBUG, "metadata MARK mask %08X", sh->dv_mark_mask);
2784 	DRV_LOG(DEBUG, "metadata META mask %08X", sh->dv_meta_mask);
2785 	DRV_LOG(DEBUG, "metadata reg_c0 mask %08X", sh->dv_regc0_mask);
2786 }
2787 
2788 int
2789 rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n)
2790 {
2791 	static const char *const dynf_names[] = {
2792 		RTE_PMD_MLX5_FINE_GRANULARITY_INLINE,
2793 		RTE_MBUF_DYNFLAG_METADATA_NAME,
2794 		RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME
2795 	};
2796 	unsigned int i;
2797 
2798 	if (n < RTE_DIM(dynf_names))
2799 		return -ENOMEM;
2800 	for (i = 0; i < RTE_DIM(dynf_names); i++) {
2801 		if (names[i] == NULL)
2802 			return -EINVAL;
2803 		strcpy(names[i], dynf_names[i]);
2804 	}
2805 	return RTE_DIM(dynf_names);
2806 }
2807 
2808 /**
2809  * Look for the ethernet device belonging to mlx5 driver.
2810  *
2811  * @param[in] port_id
2812  *   port_id to start looking for device.
2813  * @param[in] odev
2814  *   Pointer to the hint device. When device is being probed
2815  *   the its siblings (master and preceding representors might
2816  *   not have assigned driver yet (because the mlx5_os_pci_probe()
2817  *   is not completed yet, for this case match on hint
2818  *   device may be used to detect sibling device.
2819  *
2820  * @return
2821  *   port_id of found device, RTE_MAX_ETHPORT if not found.
2822  */
2823 uint16_t
2824 mlx5_eth_find_next(uint16_t port_id, struct rte_device *odev)
2825 {
2826 	while (port_id < RTE_MAX_ETHPORTS) {
2827 		struct rte_eth_dev *dev = &rte_eth_devices[port_id];
2828 
2829 		if (dev->state != RTE_ETH_DEV_UNUSED &&
2830 		    dev->device &&
2831 		    (dev->device == odev ||
2832 		     (dev->device->driver &&
2833 		     dev->device->driver->name &&
2834 		     ((strcmp(dev->device->driver->name,
2835 			      MLX5_PCI_DRIVER_NAME) == 0) ||
2836 		      (strcmp(dev->device->driver->name,
2837 			      MLX5_AUXILIARY_DRIVER_NAME) == 0)))))
2838 			break;
2839 		port_id++;
2840 	}
2841 	if (port_id >= RTE_MAX_ETHPORTS)
2842 		return RTE_MAX_ETHPORTS;
2843 	return port_id;
2844 }
2845 
2846 /**
2847  * Callback to remove a device.
2848  *
2849  * This function removes all Ethernet devices belong to a given device.
2850  *
2851  * @param[in] cdev
2852  *   Pointer to the generic device.
2853  *
2854  * @return
2855  *   0 on success, the function cannot fail.
2856  */
2857 int
2858 mlx5_net_remove(struct mlx5_common_device *cdev)
2859 {
2860 	uint16_t port_id;
2861 	int ret = 0;
2862 
2863 	RTE_ETH_FOREACH_DEV_OF(port_id, cdev->dev) {
2864 		/*
2865 		 * mlx5_dev_close() is not registered to secondary process,
2866 		 * call the close function explicitly for secondary process.
2867 		 */
2868 		if (rte_eal_process_type() == RTE_PROC_SECONDARY)
2869 			ret |= mlx5_dev_close(&rte_eth_devices[port_id]);
2870 		else
2871 			ret |= rte_eth_dev_close(port_id);
2872 	}
2873 	return ret == 0 ? 0 : -EIO;
2874 }
2875 
2876 static const struct rte_pci_id mlx5_pci_id_map[] = {
2877 	{
2878 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2879 			       PCI_DEVICE_ID_MELLANOX_CONNECTX4)
2880 	},
2881 	{
2882 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2883 			       PCI_DEVICE_ID_MELLANOX_CONNECTX4VF)
2884 	},
2885 	{
2886 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2887 			       PCI_DEVICE_ID_MELLANOX_CONNECTX4LX)
2888 	},
2889 	{
2890 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2891 			       PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF)
2892 	},
2893 	{
2894 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2895 			       PCI_DEVICE_ID_MELLANOX_CONNECTX5)
2896 	},
2897 	{
2898 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2899 			       PCI_DEVICE_ID_MELLANOX_CONNECTX5VF)
2900 	},
2901 	{
2902 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2903 			       PCI_DEVICE_ID_MELLANOX_CONNECTX5EX)
2904 	},
2905 	{
2906 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2907 			       PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF)
2908 	},
2909 	{
2910 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2911 			       PCI_DEVICE_ID_MELLANOX_CONNECTX5BF)
2912 	},
2913 	{
2914 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2915 			       PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF)
2916 	},
2917 	{
2918 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2919 				PCI_DEVICE_ID_MELLANOX_CONNECTX6)
2920 	},
2921 	{
2922 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2923 				PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
2924 	},
2925 	{
2926 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2927 				PCI_DEVICE_ID_MELLANOX_CONNECTX6DX)
2928 	},
2929 	{
2930 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2931 				PCI_DEVICE_ID_MELLANOX_CONNECTXVF)
2932 	},
2933 	{
2934 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2935 				PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
2936 	},
2937 	{
2938 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2939 				PCI_DEVICE_ID_MELLANOX_CONNECTX6LX)
2940 	},
2941 	{
2942 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2943 				PCI_DEVICE_ID_MELLANOX_CONNECTX7)
2944 	},
2945 	{
2946 		RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2947 				PCI_DEVICE_ID_MELLANOX_CONNECTX7BF)
2948 	},
2949 	{
2950 		.vendor_id = 0
2951 	}
2952 };
2953 
2954 static struct mlx5_class_driver mlx5_net_driver = {
2955 	.drv_class = MLX5_CLASS_ETH,
2956 	.name = RTE_STR(MLX5_ETH_DRIVER_NAME),
2957 	.id_table = mlx5_pci_id_map,
2958 	.probe = mlx5_os_net_probe,
2959 	.remove = mlx5_net_remove,
2960 	.probe_again = 1,
2961 	.intr_lsc = 1,
2962 	.intr_rmv = 1,
2963 };
2964 
2965 /* Initialize driver log type. */
2966 RTE_LOG_REGISTER_DEFAULT(mlx5_logtype, NOTICE)
2967 
2968 /**
2969  * Driver initialization routine.
2970  */
2971 RTE_INIT(rte_mlx5_pmd_init)
2972 {
2973 	pthread_mutex_init(&mlx5_dev_ctx_list_mutex, NULL);
2974 	mlx5_common_init();
2975 	/* Build the static tables for Verbs conversion. */
2976 	mlx5_set_ptype_table();
2977 	mlx5_set_cksum_table();
2978 	mlx5_set_swp_types_table();
2979 	if (mlx5_glue)
2980 		mlx5_class_driver_register(&mlx5_net_driver);
2981 }
2982 
2983 RTE_PMD_EXPORT_NAME(MLX5_ETH_DRIVER_NAME, __COUNTER__);
2984 RTE_PMD_REGISTER_PCI_TABLE(MLX5_ETH_DRIVER_NAME, mlx5_pci_id_map);
2985 RTE_PMD_REGISTER_KMOD_DEP(MLX5_ETH_DRIVER_NAME, "* ib_uverbs & mlx5_core & mlx5_ib");
2986