1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2016 6WIND S.A.
3 * Copyright 2016 Mellanox Technologies, Ltd
6 #include <netinet/in.h>
13 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
15 #pragma GCC diagnostic ignored "-Wpedantic"
17 #include <infiniband/verbs.h>
19 #pragma GCC diagnostic error "-Wpedantic"
22 #include <rte_common.h>
23 #include <rte_ether.h>
24 #include <rte_ethdev_driver.h>
26 #include <rte_flow_driver.h>
27 #include <rte_malloc.h>
31 #include "mlx5_defs.h"
32 #include "mlx5_flow.h"
33 #include "mlx5_glue.h"
35 #include "mlx5_rxtx.h"
37 /* Dev ops structure defined in mlx5.c */
38 extern const struct eth_dev_ops mlx5_dev_ops
;
39 extern const struct eth_dev_ops mlx5_dev_ops_isolate
;
41 /** Device flow drivers. */
42 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
43 extern const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops
;
45 extern const struct mlx5_flow_driver_ops mlx5_flow_tcf_drv_ops
;
46 extern const struct mlx5_flow_driver_ops mlx5_flow_verbs_drv_ops
;
48 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops
;
50 const struct mlx5_flow_driver_ops
*flow_drv_ops
[] = {
51 [MLX5_FLOW_TYPE_MIN
] = &mlx5_flow_null_drv_ops
,
52 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
53 [MLX5_FLOW_TYPE_DV
] = &mlx5_flow_dv_drv_ops
,
55 [MLX5_FLOW_TYPE_TCF
] = &mlx5_flow_tcf_drv_ops
,
56 [MLX5_FLOW_TYPE_VERBS
] = &mlx5_flow_verbs_drv_ops
,
57 [MLX5_FLOW_TYPE_MAX
] = &mlx5_flow_null_drv_ops
62 MLX5_EXPANSION_ROOT_OUTER
,
63 MLX5_EXPANSION_ROOT_ETH_VLAN
,
64 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN
,
65 MLX5_EXPANSION_OUTER_ETH
,
66 MLX5_EXPANSION_OUTER_ETH_VLAN
,
67 MLX5_EXPANSION_OUTER_VLAN
,
68 MLX5_EXPANSION_OUTER_IPV4
,
69 MLX5_EXPANSION_OUTER_IPV4_UDP
,
70 MLX5_EXPANSION_OUTER_IPV4_TCP
,
71 MLX5_EXPANSION_OUTER_IPV6
,
72 MLX5_EXPANSION_OUTER_IPV6_UDP
,
73 MLX5_EXPANSION_OUTER_IPV6_TCP
,
75 MLX5_EXPANSION_VXLAN_GPE
,
79 MLX5_EXPANSION_ETH_VLAN
,
82 MLX5_EXPANSION_IPV4_UDP
,
83 MLX5_EXPANSION_IPV4_TCP
,
85 MLX5_EXPANSION_IPV6_UDP
,
86 MLX5_EXPANSION_IPV6_TCP
,
89 /** Supported expansion of items. */
90 static const struct rte_flow_expand_node mlx5_support_expansion
[] = {
91 [MLX5_EXPANSION_ROOT
] = {
92 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH
,
95 .type
= RTE_FLOW_ITEM_TYPE_END
,
97 [MLX5_EXPANSION_ROOT_OUTER
] = {
98 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH
,
99 MLX5_EXPANSION_OUTER_IPV4
,
100 MLX5_EXPANSION_OUTER_IPV6
),
101 .type
= RTE_FLOW_ITEM_TYPE_END
,
103 [MLX5_EXPANSION_ROOT_ETH_VLAN
] = {
104 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH_VLAN
),
105 .type
= RTE_FLOW_ITEM_TYPE_END
,
107 [MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN
] = {
108 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_ETH_VLAN
),
109 .type
= RTE_FLOW_ITEM_TYPE_END
,
111 [MLX5_EXPANSION_OUTER_ETH
] = {
112 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4
,
113 MLX5_EXPANSION_OUTER_IPV6
,
114 MLX5_EXPANSION_MPLS
),
115 .type
= RTE_FLOW_ITEM_TYPE_ETH
,
118 [MLX5_EXPANSION_OUTER_ETH_VLAN
] = {
119 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_VLAN
),
120 .type
= RTE_FLOW_ITEM_TYPE_ETH
,
123 [MLX5_EXPANSION_OUTER_VLAN
] = {
124 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_OUTER_IPV4
,
125 MLX5_EXPANSION_OUTER_IPV6
),
126 .type
= RTE_FLOW_ITEM_TYPE_VLAN
,
128 [MLX5_EXPANSION_OUTER_IPV4
] = {
129 .next
= RTE_FLOW_EXPAND_RSS_NEXT
130 (MLX5_EXPANSION_OUTER_IPV4_UDP
,
131 MLX5_EXPANSION_OUTER_IPV4_TCP
,
133 .type
= RTE_FLOW_ITEM_TYPE_IPV4
,
134 .rss_types
= ETH_RSS_IPV4
| ETH_RSS_FRAG_IPV4
|
135 ETH_RSS_NONFRAG_IPV4_OTHER
,
137 [MLX5_EXPANSION_OUTER_IPV4_UDP
] = {
138 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN
,
139 MLX5_EXPANSION_VXLAN_GPE
),
140 .type
= RTE_FLOW_ITEM_TYPE_UDP
,
141 .rss_types
= ETH_RSS_NONFRAG_IPV4_UDP
,
143 [MLX5_EXPANSION_OUTER_IPV4_TCP
] = {
144 .type
= RTE_FLOW_ITEM_TYPE_TCP
,
145 .rss_types
= ETH_RSS_NONFRAG_IPV4_TCP
,
147 [MLX5_EXPANSION_OUTER_IPV6
] = {
148 .next
= RTE_FLOW_EXPAND_RSS_NEXT
149 (MLX5_EXPANSION_OUTER_IPV6_UDP
,
150 MLX5_EXPANSION_OUTER_IPV6_TCP
),
151 .type
= RTE_FLOW_ITEM_TYPE_IPV6
,
152 .rss_types
= ETH_RSS_IPV6
| ETH_RSS_FRAG_IPV6
|
153 ETH_RSS_NONFRAG_IPV6_OTHER
,
155 [MLX5_EXPANSION_OUTER_IPV6_UDP
] = {
156 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VXLAN
,
157 MLX5_EXPANSION_VXLAN_GPE
),
158 .type
= RTE_FLOW_ITEM_TYPE_UDP
,
159 .rss_types
= ETH_RSS_NONFRAG_IPV6_UDP
,
161 [MLX5_EXPANSION_OUTER_IPV6_TCP
] = {
162 .type
= RTE_FLOW_ITEM_TYPE_TCP
,
163 .rss_types
= ETH_RSS_NONFRAG_IPV6_TCP
,
165 [MLX5_EXPANSION_VXLAN
] = {
166 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH
),
167 .type
= RTE_FLOW_ITEM_TYPE_VXLAN
,
169 [MLX5_EXPANSION_VXLAN_GPE
] = {
170 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_ETH
,
172 MLX5_EXPANSION_IPV6
),
173 .type
= RTE_FLOW_ITEM_TYPE_VXLAN_GPE
,
175 [MLX5_EXPANSION_GRE
] = {
176 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4
),
177 .type
= RTE_FLOW_ITEM_TYPE_GRE
,
179 [MLX5_EXPANSION_MPLS
] = {
180 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4
,
181 MLX5_EXPANSION_IPV6
),
182 .type
= RTE_FLOW_ITEM_TYPE_MPLS
,
184 [MLX5_EXPANSION_ETH
] = {
185 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4
,
186 MLX5_EXPANSION_IPV6
),
187 .type
= RTE_FLOW_ITEM_TYPE_ETH
,
189 [MLX5_EXPANSION_ETH_VLAN
] = {
190 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_VLAN
),
191 .type
= RTE_FLOW_ITEM_TYPE_ETH
,
193 [MLX5_EXPANSION_VLAN
] = {
194 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4
,
195 MLX5_EXPANSION_IPV6
),
196 .type
= RTE_FLOW_ITEM_TYPE_VLAN
,
198 [MLX5_EXPANSION_IPV4
] = {
199 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV4_UDP
,
200 MLX5_EXPANSION_IPV4_TCP
),
201 .type
= RTE_FLOW_ITEM_TYPE_IPV4
,
202 .rss_types
= ETH_RSS_IPV4
| ETH_RSS_FRAG_IPV4
|
203 ETH_RSS_NONFRAG_IPV4_OTHER
,
205 [MLX5_EXPANSION_IPV4_UDP
] = {
206 .type
= RTE_FLOW_ITEM_TYPE_UDP
,
207 .rss_types
= ETH_RSS_NONFRAG_IPV4_UDP
,
209 [MLX5_EXPANSION_IPV4_TCP
] = {
210 .type
= RTE_FLOW_ITEM_TYPE_TCP
,
211 .rss_types
= ETH_RSS_NONFRAG_IPV4_TCP
,
213 [MLX5_EXPANSION_IPV6
] = {
214 .next
= RTE_FLOW_EXPAND_RSS_NEXT(MLX5_EXPANSION_IPV6_UDP
,
215 MLX5_EXPANSION_IPV6_TCP
),
216 .type
= RTE_FLOW_ITEM_TYPE_IPV6
,
217 .rss_types
= ETH_RSS_IPV6
| ETH_RSS_FRAG_IPV6
|
218 ETH_RSS_NONFRAG_IPV6_OTHER
,
220 [MLX5_EXPANSION_IPV6_UDP
] = {
221 .type
= RTE_FLOW_ITEM_TYPE_UDP
,
222 .rss_types
= ETH_RSS_NONFRAG_IPV6_UDP
,
224 [MLX5_EXPANSION_IPV6_TCP
] = {
225 .type
= RTE_FLOW_ITEM_TYPE_TCP
,
226 .rss_types
= ETH_RSS_NONFRAG_IPV6_TCP
,
230 static const struct rte_flow_ops mlx5_flow_ops
= {
231 .validate
= mlx5_flow_validate
,
232 .create
= mlx5_flow_create
,
233 .destroy
= mlx5_flow_destroy
,
234 .flush
= mlx5_flow_flush
,
235 .isolate
= mlx5_flow_isolate
,
236 .query
= mlx5_flow_query
,
239 /* Convert FDIR request to Generic flow. */
241 struct rte_flow_attr attr
;
242 struct rte_flow_item items
[4];
243 struct rte_flow_item_eth l2
;
244 struct rte_flow_item_eth l2_mask
;
246 struct rte_flow_item_ipv4 ipv4
;
247 struct rte_flow_item_ipv6 ipv6
;
250 struct rte_flow_item_ipv4 ipv4
;
251 struct rte_flow_item_ipv6 ipv6
;
254 struct rte_flow_item_udp udp
;
255 struct rte_flow_item_tcp tcp
;
258 struct rte_flow_item_udp udp
;
259 struct rte_flow_item_tcp tcp
;
261 struct rte_flow_action actions
[2];
262 struct rte_flow_action_queue queue
;
265 /* Map of Verbs to Flow priority with 8 Verbs priorities. */
266 static const uint32_t priority_map_3
[][MLX5_PRIORITY_MAP_MAX
] = {
267 { 0, 1, 2 }, { 2, 3, 4 }, { 5, 6, 7 },
270 /* Map of Verbs to Flow priority with 16 Verbs priorities. */
271 static const uint32_t priority_map_5
[][MLX5_PRIORITY_MAP_MAX
] = {
272 { 0, 1, 2 }, { 3, 4, 5 }, { 6, 7, 8 },
273 { 9, 10, 11 }, { 12, 13, 14 },
276 /* Tunnel information. */
277 struct mlx5_flow_tunnel_info
{
278 uint64_t tunnel
; /**< Tunnel bit (see MLX5_FLOW_*). */
279 uint32_t ptype
; /**< Tunnel Ptype (see RTE_PTYPE_*). */
282 static struct mlx5_flow_tunnel_info tunnels_info
[] = {
284 .tunnel
= MLX5_FLOW_LAYER_VXLAN
,
285 .ptype
= RTE_PTYPE_TUNNEL_VXLAN
| RTE_PTYPE_L4_UDP
,
288 .tunnel
= MLX5_FLOW_LAYER_VXLAN_GPE
,
289 .ptype
= RTE_PTYPE_TUNNEL_VXLAN_GPE
| RTE_PTYPE_L4_UDP
,
292 .tunnel
= MLX5_FLOW_LAYER_GRE
,
293 .ptype
= RTE_PTYPE_TUNNEL_GRE
,
296 .tunnel
= MLX5_FLOW_LAYER_MPLS
| MLX5_FLOW_LAYER_OUTER_L4_UDP
,
297 .ptype
= RTE_PTYPE_TUNNEL_MPLS_IN_UDP
| RTE_PTYPE_L4_UDP
,
300 .tunnel
= MLX5_FLOW_LAYER_MPLS
,
301 .ptype
= RTE_PTYPE_TUNNEL_MPLS_IN_GRE
,
306 * Discover the maximum number of priority available.
309 * Pointer to the Ethernet device structure.
312 * number of supported flow priority on success, a negative errno
313 * value otherwise and rte_errno is set.
316 mlx5_flow_discover_priorities(struct rte_eth_dev
*dev
)
318 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
320 struct ibv_flow_attr attr
;
321 struct ibv_flow_spec_eth eth
;
322 struct ibv_flow_spec_action_drop drop
;
326 .port
= (uint8_t)priv
->ibv_port
,
329 .type
= IBV_FLOW_SPEC_ETH
,
330 .size
= sizeof(struct ibv_flow_spec_eth
),
333 .size
= sizeof(struct ibv_flow_spec_action_drop
),
334 .type
= IBV_FLOW_SPEC_ACTION_DROP
,
337 struct ibv_flow
*flow
;
338 struct mlx5_hrxq
*drop
= mlx5_hrxq_drop_new(dev
);
339 uint16_t vprio
[] = { 8, 16 };
347 for (i
= 0; i
!= RTE_DIM(vprio
); i
++) {
348 flow_attr
.attr
.priority
= vprio
[i
] - 1;
349 flow
= mlx5_glue
->create_flow(drop
->qp
, &flow_attr
.attr
);
352 claim_zero(mlx5_glue
->destroy_flow(flow
));
355 mlx5_hrxq_drop_release(dev
);
358 priority
= RTE_DIM(priority_map_3
);
361 priority
= RTE_DIM(priority_map_5
);
366 "port %u verbs maximum priority: %d expected 8/16",
367 dev
->data
->port_id
, priority
);
370 DRV_LOG(INFO
, "port %u flow maximum priority: %d",
371 dev
->data
->port_id
, priority
);
376 * Adjust flow priority based on the highest layer and the request priority.
379 * Pointer to the Ethernet device structure.
380 * @param[in] priority
381 * The rule base priority.
382 * @param[in] subpriority
383 * The priority based on the items.
388 uint32_t mlx5_flow_adjust_priority(struct rte_eth_dev
*dev
, int32_t priority
,
389 uint32_t subpriority
)
392 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
394 switch (priv
->config
.flow_prio
) {
395 case RTE_DIM(priority_map_3
):
396 res
= priority_map_3
[priority
][subpriority
];
398 case RTE_DIM(priority_map_5
):
399 res
= priority_map_5
[priority
][subpriority
];
406 * Verify the @p item specifications (spec, last, mask) are compatible with the
410 * Item specification.
412 * @p item->mask or flow default bit-masks.
413 * @param[in] nic_mask
414 * Bit-masks covering supported fields by the NIC to compare with user mask.
416 * Bit-masks size in bytes.
418 * Pointer to error structure.
421 * 0 on success, a negative errno value otherwise and rte_errno is set.
424 mlx5_flow_item_acceptable(const struct rte_flow_item
*item
,
426 const uint8_t *nic_mask
,
428 struct rte_flow_error
*error
)
433 for (i
= 0; i
< size
; ++i
)
434 if ((nic_mask
[i
] | mask
[i
]) != nic_mask
[i
])
435 return rte_flow_error_set(error
, ENOTSUP
,
436 RTE_FLOW_ERROR_TYPE_ITEM
,
438 "mask enables non supported"
440 if (!item
->spec
&& (item
->mask
|| item
->last
))
441 return rte_flow_error_set(error
, EINVAL
,
442 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
443 "mask/last without a spec is not"
445 if (item
->spec
&& item
->last
) {
451 for (i
= 0; i
< size
; ++i
) {
452 spec
[i
] = ((const uint8_t *)item
->spec
)[i
] & mask
[i
];
453 last
[i
] = ((const uint8_t *)item
->last
)[i
] & mask
[i
];
455 ret
= memcmp(spec
, last
, size
);
457 return rte_flow_error_set(error
, EINVAL
,
458 RTE_FLOW_ERROR_TYPE_ITEM
,
460 "range is not valid");
466 * Adjust the hash fields according to the @p flow information.
468 * @param[in] dev_flow.
469 * Pointer to the mlx5_flow.
471 * 1 when the hash field is for a tunnel item.
472 * @param[in] layer_types
474 * @param[in] hash_fields
478 * The hash fileds that should be used.
481 mlx5_flow_hashfields_adjust(struct mlx5_flow
*dev_flow
,
482 int tunnel __rte_unused
, uint64_t layer_types
,
483 uint64_t hash_fields
)
485 struct rte_flow
*flow
= dev_flow
->flow
;
486 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
487 int rss_request_inner
= flow
->rss
.level
>= 2;
489 /* Check RSS hash level for tunnel. */
490 if (tunnel
&& rss_request_inner
)
491 hash_fields
|= IBV_RX_HASH_INNER
;
492 else if (tunnel
|| rss_request_inner
)
495 /* Check if requested layer matches RSS hash fields. */
496 if (!(flow
->rss
.types
& layer_types
))
502 * Lookup and set the ptype in the data Rx part. A single Ptype can be used,
503 * if several tunnel rules are used on this queue, the tunnel ptype will be
507 * Rx queue to update.
510 flow_rxq_tunnel_ptype_update(struct mlx5_rxq_ctrl
*rxq_ctrl
)
513 uint32_t tunnel_ptype
= 0;
515 /* Look up for the ptype to use. */
516 for (i
= 0; i
!= MLX5_FLOW_TUNNEL
; ++i
) {
517 if (!rxq_ctrl
->flow_tunnels_n
[i
])
520 tunnel_ptype
= tunnels_info
[i
].ptype
;
526 rxq_ctrl
->rxq
.tunnel
= tunnel_ptype
;
530 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) according to the devive
534 * Pointer to the Ethernet device structure.
535 * @param[in] dev_flow
536 * Pointer to device flow structure.
539 flow_drv_rxq_flags_set(struct rte_eth_dev
*dev
, struct mlx5_flow
*dev_flow
)
541 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
542 struct rte_flow
*flow
= dev_flow
->flow
;
543 const int mark
= !!(flow
->actions
&
544 (MLX5_FLOW_ACTION_FLAG
| MLX5_FLOW_ACTION_MARK
));
545 const int tunnel
= !!(dev_flow
->layers
& MLX5_FLOW_LAYER_TUNNEL
);
548 for (i
= 0; i
!= flow
->rss
.queue_num
; ++i
) {
549 int idx
= (*flow
->queue
)[i
];
550 struct mlx5_rxq_ctrl
*rxq_ctrl
=
551 container_of((*priv
->rxqs
)[idx
],
552 struct mlx5_rxq_ctrl
, rxq
);
555 rxq_ctrl
->rxq
.mark
= 1;
556 rxq_ctrl
->flow_mark_n
++;
561 /* Increase the counter matching the flow. */
562 for (j
= 0; j
!= MLX5_FLOW_TUNNEL
; ++j
) {
563 if ((tunnels_info
[j
].tunnel
&
565 tunnels_info
[j
].tunnel
) {
566 rxq_ctrl
->flow_tunnels_n
[j
]++;
570 flow_rxq_tunnel_ptype_update(rxq_ctrl
);
576 * Set the Rx queue flags (Mark/Flag and Tunnel Ptypes) for a flow
579 * Pointer to the Ethernet device structure.
581 * Pointer to flow structure.
584 flow_rxq_flags_set(struct rte_eth_dev
*dev
, struct rte_flow
*flow
)
586 struct mlx5_flow
*dev_flow
;
588 LIST_FOREACH(dev_flow
, &flow
->dev_flows
, next
)
589 flow_drv_rxq_flags_set(dev
, dev_flow
);
593 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
594 * device flow if no other flow uses it with the same kind of request.
597 * Pointer to Ethernet device.
598 * @param[in] dev_flow
599 * Pointer to the device flow.
602 flow_drv_rxq_flags_trim(struct rte_eth_dev
*dev
, struct mlx5_flow
*dev_flow
)
604 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
605 struct rte_flow
*flow
= dev_flow
->flow
;
606 const int mark
= !!(flow
->actions
&
607 (MLX5_FLOW_ACTION_FLAG
| MLX5_FLOW_ACTION_MARK
));
608 const int tunnel
= !!(dev_flow
->layers
& MLX5_FLOW_LAYER_TUNNEL
);
611 assert(dev
->data
->dev_started
);
612 for (i
= 0; i
!= flow
->rss
.queue_num
; ++i
) {
613 int idx
= (*flow
->queue
)[i
];
614 struct mlx5_rxq_ctrl
*rxq_ctrl
=
615 container_of((*priv
->rxqs
)[idx
],
616 struct mlx5_rxq_ctrl
, rxq
);
619 rxq_ctrl
->flow_mark_n
--;
620 rxq_ctrl
->rxq
.mark
= !!rxq_ctrl
->flow_mark_n
;
625 /* Decrease the counter matching the flow. */
626 for (j
= 0; j
!= MLX5_FLOW_TUNNEL
; ++j
) {
627 if ((tunnels_info
[j
].tunnel
&
629 tunnels_info
[j
].tunnel
) {
630 rxq_ctrl
->flow_tunnels_n
[j
]--;
634 flow_rxq_tunnel_ptype_update(rxq_ctrl
);
640 * Clear the Rx queue flags (Mark/Flag and Tunnel Ptype) associated with the
641 * @p flow if no other flow uses it with the same kind of request.
644 * Pointer to Ethernet device.
646 * Pointer to the flow.
649 flow_rxq_flags_trim(struct rte_eth_dev
*dev
, struct rte_flow
*flow
)
651 struct mlx5_flow
*dev_flow
;
653 LIST_FOREACH(dev_flow
, &flow
->dev_flows
, next
)
654 flow_drv_rxq_flags_trim(dev
, dev_flow
);
658 * Clear the Mark/Flag and Tunnel ptype information in all Rx queues.
661 * Pointer to Ethernet device.
664 flow_rxq_flags_clear(struct rte_eth_dev
*dev
)
666 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
669 for (i
= 0; i
!= priv
->rxqs_n
; ++i
) {
670 struct mlx5_rxq_ctrl
*rxq_ctrl
;
673 if (!(*priv
->rxqs
)[i
])
675 rxq_ctrl
= container_of((*priv
->rxqs
)[i
],
676 struct mlx5_rxq_ctrl
, rxq
);
677 rxq_ctrl
->flow_mark_n
= 0;
678 rxq_ctrl
->rxq
.mark
= 0;
679 for (j
= 0; j
!= MLX5_FLOW_TUNNEL
; ++j
)
680 rxq_ctrl
->flow_tunnels_n
[j
] = 0;
681 rxq_ctrl
->rxq
.tunnel
= 0;
686 * Validate the flag action.
688 * @param[in] action_flags
689 * Bit-fields that holds the actions detected until now.
691 * Attributes of flow that includes this action.
693 * Pointer to error structure.
696 * 0 on success, a negative errno value otherwise and rte_errno is set.
699 mlx5_flow_validate_action_flag(uint64_t action_flags
,
700 const struct rte_flow_attr
*attr
,
701 struct rte_flow_error
*error
)
704 if (action_flags
& MLX5_FLOW_ACTION_DROP
)
705 return rte_flow_error_set(error
, EINVAL
,
706 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
707 "can't drop and flag in same flow");
708 if (action_flags
& MLX5_FLOW_ACTION_MARK
)
709 return rte_flow_error_set(error
, EINVAL
,
710 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
711 "can't mark and flag in same flow");
712 if (action_flags
& MLX5_FLOW_ACTION_FLAG
)
713 return rte_flow_error_set(error
, EINVAL
,
714 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
716 " actions in same flow");
718 return rte_flow_error_set(error
, ENOTSUP
,
719 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
720 "flag action not supported for "
726 * Validate the mark action.
729 * Pointer to the queue action.
730 * @param[in] action_flags
731 * Bit-fields that holds the actions detected until now.
733 * Attributes of flow that includes this action.
735 * Pointer to error structure.
738 * 0 on success, a negative errno value otherwise and rte_errno is set.
741 mlx5_flow_validate_action_mark(const struct rte_flow_action
*action
,
742 uint64_t action_flags
,
743 const struct rte_flow_attr
*attr
,
744 struct rte_flow_error
*error
)
746 const struct rte_flow_action_mark
*mark
= action
->conf
;
749 return rte_flow_error_set(error
, EINVAL
,
750 RTE_FLOW_ERROR_TYPE_ACTION
,
752 "configuration cannot be null");
753 if (mark
->id
>= MLX5_FLOW_MARK_MAX
)
754 return rte_flow_error_set(error
, EINVAL
,
755 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
757 "mark id must in 0 <= id < "
758 RTE_STR(MLX5_FLOW_MARK_MAX
));
759 if (action_flags
& MLX5_FLOW_ACTION_DROP
)
760 return rte_flow_error_set(error
, EINVAL
,
761 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
762 "can't drop and mark in same flow");
763 if (action_flags
& MLX5_FLOW_ACTION_FLAG
)
764 return rte_flow_error_set(error
, EINVAL
,
765 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
766 "can't flag and mark in same flow");
767 if (action_flags
& MLX5_FLOW_ACTION_MARK
)
768 return rte_flow_error_set(error
, EINVAL
,
769 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
770 "can't have 2 mark actions in same"
773 return rte_flow_error_set(error
, ENOTSUP
,
774 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
775 "mark action not supported for "
781 * Validate the drop action.
783 * @param[in] action_flags
784 * Bit-fields that holds the actions detected until now.
786 * Attributes of flow that includes this action.
788 * Pointer to error structure.
791 * 0 on success, a negative errno value otherwise and rte_errno is set.
794 mlx5_flow_validate_action_drop(uint64_t action_flags
,
795 const struct rte_flow_attr
*attr
,
796 struct rte_flow_error
*error
)
798 if (action_flags
& MLX5_FLOW_ACTION_FLAG
)
799 return rte_flow_error_set(error
, EINVAL
,
800 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
801 "can't drop and flag in same flow");
802 if (action_flags
& MLX5_FLOW_ACTION_MARK
)
803 return rte_flow_error_set(error
, EINVAL
,
804 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
805 "can't drop and mark in same flow");
806 if (action_flags
& MLX5_FLOW_FATE_ACTIONS
)
807 return rte_flow_error_set(error
, EINVAL
,
808 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
809 "can't have 2 fate actions in"
812 return rte_flow_error_set(error
, ENOTSUP
,
813 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
814 "drop action not supported for "
820 * Validate the queue action.
823 * Pointer to the queue action.
824 * @param[in] action_flags
825 * Bit-fields that holds the actions detected until now.
827 * Pointer to the Ethernet device structure.
829 * Attributes of flow that includes this action.
831 * Pointer to error structure.
834 * 0 on success, a negative errno value otherwise and rte_errno is set.
837 mlx5_flow_validate_action_queue(const struct rte_flow_action
*action
,
838 uint64_t action_flags
,
839 struct rte_eth_dev
*dev
,
840 const struct rte_flow_attr
*attr
,
841 struct rte_flow_error
*error
)
843 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
844 const struct rte_flow_action_queue
*queue
= action
->conf
;
846 if (action_flags
& MLX5_FLOW_FATE_ACTIONS
)
847 return rte_flow_error_set(error
, EINVAL
,
848 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
849 "can't have 2 fate actions in"
852 return rte_flow_error_set(error
, EINVAL
,
853 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
854 NULL
, "No Rx queues configured");
855 if (queue
->index
>= priv
->rxqs_n
)
856 return rte_flow_error_set(error
, EINVAL
,
857 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
859 "queue index out of range");
860 if (!(*priv
->rxqs
)[queue
->index
])
861 return rte_flow_error_set(error
, EINVAL
,
862 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
864 "queue is not configured");
866 return rte_flow_error_set(error
, ENOTSUP
,
867 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
868 "queue action not supported for "
874 * Validate the rss action.
877 * Pointer to the queue action.
878 * @param[in] action_flags
879 * Bit-fields that holds the actions detected until now.
881 * Pointer to the Ethernet device structure.
883 * Attributes of flow that includes this action.
884 * @param[in] item_flags
885 * Items that were detected.
887 * Pointer to error structure.
890 * 0 on success, a negative errno value otherwise and rte_errno is set.
893 mlx5_flow_validate_action_rss(const struct rte_flow_action
*action
,
894 uint64_t action_flags
,
895 struct rte_eth_dev
*dev
,
896 const struct rte_flow_attr
*attr
,
898 struct rte_flow_error
*error
)
900 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
901 const struct rte_flow_action_rss
*rss
= action
->conf
;
902 int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
905 if (action_flags
& MLX5_FLOW_FATE_ACTIONS
)
906 return rte_flow_error_set(error
, EINVAL
,
907 RTE_FLOW_ERROR_TYPE_ACTION
, NULL
,
908 "can't have 2 fate actions"
910 if (rss
->func
!= RTE_ETH_HASH_FUNCTION_DEFAULT
&&
911 rss
->func
!= RTE_ETH_HASH_FUNCTION_TOEPLITZ
)
912 return rte_flow_error_set(error
, ENOTSUP
,
913 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
915 "RSS hash function not supported");
916 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
921 return rte_flow_error_set(error
, ENOTSUP
,
922 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
924 "tunnel RSS is not supported");
925 /* allow RSS key_len 0 in case of NULL (default) RSS key. */
926 if (rss
->key_len
== 0 && rss
->key
!= NULL
)
927 return rte_flow_error_set(error
, ENOTSUP
,
928 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
930 "RSS hash key length 0");
931 if (rss
->key_len
> 0 && rss
->key_len
< MLX5_RSS_HASH_KEY_LEN
)
932 return rte_flow_error_set(error
, ENOTSUP
,
933 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
935 "RSS hash key too small");
936 if (rss
->key_len
> MLX5_RSS_HASH_KEY_LEN
)
937 return rte_flow_error_set(error
, ENOTSUP
,
938 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
940 "RSS hash key too large");
941 if (rss
->queue_num
> priv
->config
.ind_table_max_size
)
942 return rte_flow_error_set(error
, ENOTSUP
,
943 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
945 "number of queues too large");
946 if (rss
->types
& MLX5_RSS_HF_MASK
)
947 return rte_flow_error_set(error
, ENOTSUP
,
948 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
950 "some RSS protocols are not"
953 return rte_flow_error_set(error
, EINVAL
,
954 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
955 NULL
, "No Rx queues configured");
957 return rte_flow_error_set(error
, EINVAL
,
958 RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
959 NULL
, "No queues configured");
960 for (i
= 0; i
!= rss
->queue_num
; ++i
) {
961 if (!(*priv
->rxqs
)[rss
->queue
[i
]])
962 return rte_flow_error_set
963 (error
, EINVAL
, RTE_FLOW_ERROR_TYPE_ACTION_CONF
,
964 &rss
->queue
[i
], "queue is not configured");
967 return rte_flow_error_set(error
, ENOTSUP
,
968 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
969 "rss action not supported for "
971 if (rss
->level
> 1 && !tunnel
)
972 return rte_flow_error_set(error
, EINVAL
,
973 RTE_FLOW_ERROR_TYPE_ACTION_CONF
, NULL
,
974 "inner RSS is not supported for "
980 * Validate the count action.
983 * Pointer to the Ethernet device structure.
985 * Attributes of flow that includes this action.
987 * Pointer to error structure.
990 * 0 on success, a negative errno value otherwise and rte_errno is set.
993 mlx5_flow_validate_action_count(struct rte_eth_dev
*dev __rte_unused
,
994 const struct rte_flow_attr
*attr
,
995 struct rte_flow_error
*error
)
998 return rte_flow_error_set(error
, ENOTSUP
,
999 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
1000 "count action not supported for "
1006 * Verify the @p attributes will be correctly understood by the NIC and store
1007 * them in the @p flow if everything is correct.
1010 * Pointer to the Ethernet device structure.
1011 * @param[in] attributes
1012 * Pointer to flow attributes
1014 * Pointer to error structure.
1017 * 0 on success, a negative errno value otherwise and rte_errno is set.
1020 mlx5_flow_validate_attributes(struct rte_eth_dev
*dev
,
1021 const struct rte_flow_attr
*attributes
,
1022 struct rte_flow_error
*error
)
1024 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
1025 uint32_t priority_max
= priv
->config
.flow_prio
- 1;
1027 if (attributes
->group
)
1028 return rte_flow_error_set(error
, ENOTSUP
,
1029 RTE_FLOW_ERROR_TYPE_ATTR_GROUP
,
1030 NULL
, "groups is not supported");
1031 if (attributes
->priority
!= MLX5_FLOW_PRIO_RSVD
&&
1032 attributes
->priority
>= priority_max
)
1033 return rte_flow_error_set(error
, ENOTSUP
,
1034 RTE_FLOW_ERROR_TYPE_ATTR_PRIORITY
,
1035 NULL
, "priority out of range");
1036 if (attributes
->egress
)
1037 return rte_flow_error_set(error
, ENOTSUP
,
1038 RTE_FLOW_ERROR_TYPE_ATTR_EGRESS
, NULL
,
1039 "egress is not supported");
1040 if (attributes
->transfer
)
1041 return rte_flow_error_set(error
, ENOTSUP
,
1042 RTE_FLOW_ERROR_TYPE_ATTR_TRANSFER
,
1043 NULL
, "transfer is not supported");
1044 if (!attributes
->ingress
)
1045 return rte_flow_error_set(error
, EINVAL
,
1046 RTE_FLOW_ERROR_TYPE_ATTR_INGRESS
,
1048 "ingress attribute is mandatory");
1053 * Validate Ethernet item.
1056 * Item specification.
1057 * @param[in] item_flags
1058 * Bit-fields that holds the items detected until now.
1060 * Pointer to error structure.
1063 * 0 on success, a negative errno value otherwise and rte_errno is set.
1066 mlx5_flow_validate_item_eth(const struct rte_flow_item
*item
,
1067 uint64_t item_flags
,
1068 struct rte_flow_error
*error
)
1070 const struct rte_flow_item_eth
*mask
= item
->mask
;
1071 const struct rte_flow_item_eth nic_mask
= {
1072 .dst
.addr_bytes
= "\xff\xff\xff\xff\xff\xff",
1073 .src
.addr_bytes
= "\xff\xff\xff\xff\xff\xff",
1074 .type
= RTE_BE16(0xffff),
1077 int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
1078 const uint64_t ethm
= tunnel
? MLX5_FLOW_LAYER_INNER_L2
:
1079 MLX5_FLOW_LAYER_OUTER_L2
;
1081 if (item_flags
& ethm
)
1082 return rte_flow_error_set(error
, ENOTSUP
,
1083 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1084 "multiple L2 layers not supported");
1086 mask
= &rte_flow_item_eth_mask
;
1087 ret
= mlx5_flow_item_acceptable(item
, (const uint8_t *)mask
,
1088 (const uint8_t *)&nic_mask
,
1089 sizeof(struct rte_flow_item_eth
),
1095 * Validate VLAN item.
1098 * Item specification.
1099 * @param[in] item_flags
1100 * Bit-fields that holds the items detected until now.
1102 * Pointer to error structure.
1105 * 0 on success, a negative errno value otherwise and rte_errno is set.
1108 mlx5_flow_validate_item_vlan(const struct rte_flow_item
*item
,
1109 uint64_t item_flags
,
1110 struct rte_flow_error
*error
)
1112 const struct rte_flow_item_vlan
*spec
= item
->spec
;
1113 const struct rte_flow_item_vlan
*mask
= item
->mask
;
1114 const struct rte_flow_item_vlan nic_mask
= {
1115 .tci
= RTE_BE16(0x0fff),
1116 .inner_type
= RTE_BE16(0xffff),
1118 uint16_t vlan_tag
= 0;
1119 const int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
1121 const uint64_t l34m
= tunnel
? (MLX5_FLOW_LAYER_INNER_L3
|
1122 MLX5_FLOW_LAYER_INNER_L4
) :
1123 (MLX5_FLOW_LAYER_OUTER_L3
|
1124 MLX5_FLOW_LAYER_OUTER_L4
);
1125 const uint64_t vlanm
= tunnel
? MLX5_FLOW_LAYER_INNER_VLAN
:
1126 MLX5_FLOW_LAYER_OUTER_VLAN
;
1128 if (item_flags
& vlanm
)
1129 return rte_flow_error_set(error
, EINVAL
,
1130 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1131 "multiple VLAN layers not supported");
1132 else if ((item_flags
& l34m
) != 0)
1133 return rte_flow_error_set(error
, EINVAL
,
1134 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1135 "L2 layer cannot follow L3/L4 layer");
1137 mask
= &rte_flow_item_vlan_mask
;
1138 ret
= mlx5_flow_item_acceptable(item
, (const uint8_t *)mask
,
1139 (const uint8_t *)&nic_mask
,
1140 sizeof(struct rte_flow_item_vlan
),
1145 vlan_tag
= spec
->tci
;
1146 vlan_tag
&= mask
->tci
;
1149 * From verbs perspective an empty VLAN is equivalent
1150 * to a packet without VLAN layer.
1153 return rte_flow_error_set(error
, EINVAL
,
1154 RTE_FLOW_ERROR_TYPE_ITEM_SPEC
,
1156 "VLAN cannot be empty");
1161 * Validate IPV4 item.
1164 * Item specification.
1165 * @param[in] item_flags
1166 * Bit-fields that holds the items detected until now.
1167 * @param[in] acc_mask
1168 * Acceptable mask, if NULL default internal default mask
1169 * will be used to check whether item fields are supported.
1171 * Pointer to error structure.
1174 * 0 on success, a negative errno value otherwise and rte_errno is set.
1177 mlx5_flow_validate_item_ipv4(const struct rte_flow_item
*item
,
1178 uint64_t item_flags
,
1179 const struct rte_flow_item_ipv4
*acc_mask
,
1180 struct rte_flow_error
*error
)
1182 const struct rte_flow_item_ipv4
*mask
= item
->mask
;
1183 const struct rte_flow_item_ipv4 nic_mask
= {
1185 .src_addr
= RTE_BE32(0xffffffff),
1186 .dst_addr
= RTE_BE32(0xffffffff),
1187 .type_of_service
= 0xff,
1188 .next_proto_id
= 0xff,
1191 const int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
1192 const uint64_t l3m
= tunnel
? MLX5_FLOW_LAYER_INNER_L3
:
1193 MLX5_FLOW_LAYER_OUTER_L3
;
1194 const uint64_t l4m
= tunnel
? MLX5_FLOW_LAYER_INNER_L4
:
1195 MLX5_FLOW_LAYER_OUTER_L4
;
1198 if (item_flags
& l3m
)
1199 return rte_flow_error_set(error
, ENOTSUP
,
1200 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1201 "multiple L3 layers not supported");
1202 else if (item_flags
& l4m
)
1203 return rte_flow_error_set(error
, EINVAL
,
1204 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1205 "L3 cannot follow an L4 layer.");
1207 mask
= &rte_flow_item_ipv4_mask
;
1208 else if (mask
->hdr
.next_proto_id
!= 0 &&
1209 mask
->hdr
.next_proto_id
!= 0xff)
1210 return rte_flow_error_set(error
, EINVAL
,
1211 RTE_FLOW_ERROR_TYPE_ITEM_MASK
, mask
,
1212 "partial mask is not supported"
1214 ret
= mlx5_flow_item_acceptable(item
, (const uint8_t *)mask
,
1215 acc_mask
? (const uint8_t *)acc_mask
1216 : (const uint8_t *)&nic_mask
,
1217 sizeof(struct rte_flow_item_ipv4
),
1225 * Validate IPV6 item.
1228 * Item specification.
1229 * @param[in] item_flags
1230 * Bit-fields that holds the items detected until now.
1231 * @param[in] acc_mask
1232 * Acceptable mask, if NULL default internal default mask
1233 * will be used to check whether item fields are supported.
1235 * Pointer to error structure.
1238 * 0 on success, a negative errno value otherwise and rte_errno is set.
1241 mlx5_flow_validate_item_ipv6(const struct rte_flow_item
*item
,
1242 uint64_t item_flags
,
1243 const struct rte_flow_item_ipv6
*acc_mask
,
1244 struct rte_flow_error
*error
)
1246 const struct rte_flow_item_ipv6
*mask
= item
->mask
;
1247 const struct rte_flow_item_ipv6 nic_mask
= {
1250 "\xff\xff\xff\xff\xff\xff\xff\xff"
1251 "\xff\xff\xff\xff\xff\xff\xff\xff",
1253 "\xff\xff\xff\xff\xff\xff\xff\xff"
1254 "\xff\xff\xff\xff\xff\xff\xff\xff",
1255 .vtc_flow
= RTE_BE32(0xffffffff),
1260 const int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
1261 const uint64_t l3m
= tunnel
? MLX5_FLOW_LAYER_INNER_L3
:
1262 MLX5_FLOW_LAYER_OUTER_L3
;
1263 const uint64_t l4m
= tunnel
? MLX5_FLOW_LAYER_INNER_L4
:
1264 MLX5_FLOW_LAYER_OUTER_L4
;
1267 if (item_flags
& l3m
)
1268 return rte_flow_error_set(error
, ENOTSUP
,
1269 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1270 "multiple L3 layers not supported");
1271 else if (item_flags
& l4m
)
1272 return rte_flow_error_set(error
, EINVAL
,
1273 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1274 "L3 cannot follow an L4 layer.");
1276 mask
= &rte_flow_item_ipv6_mask
;
1277 ret
= mlx5_flow_item_acceptable(item
, (const uint8_t *)mask
,
1278 acc_mask
? (const uint8_t *)acc_mask
1279 : (const uint8_t *)&nic_mask
,
1280 sizeof(struct rte_flow_item_ipv6
),
1288 * Validate UDP item.
1291 * Item specification.
1292 * @param[in] item_flags
1293 * Bit-fields that holds the items detected until now.
1294 * @param[in] target_protocol
1295 * The next protocol in the previous item.
1296 * @param[in] flow_mask
1297 * mlx5 flow-specific (TCF, DV, verbs, etc.) supported header fields mask.
1299 * Pointer to error structure.
1302 * 0 on success, a negative errno value otherwise and rte_errno is set.
1305 mlx5_flow_validate_item_udp(const struct rte_flow_item
*item
,
1306 uint64_t item_flags
,
1307 uint8_t target_protocol
,
1308 struct rte_flow_error
*error
)
1310 const struct rte_flow_item_udp
*mask
= item
->mask
;
1311 const int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
1312 const uint64_t l3m
= tunnel
? MLX5_FLOW_LAYER_INNER_L3
:
1313 MLX5_FLOW_LAYER_OUTER_L3
;
1314 const uint64_t l4m
= tunnel
? MLX5_FLOW_LAYER_INNER_L4
:
1315 MLX5_FLOW_LAYER_OUTER_L4
;
1318 if (target_protocol
!= 0xff && target_protocol
!= IPPROTO_UDP
)
1319 return rte_flow_error_set(error
, EINVAL
,
1320 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1321 "protocol filtering not compatible"
1323 if (!(item_flags
& l3m
))
1324 return rte_flow_error_set(error
, EINVAL
,
1325 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1326 "L3 is mandatory to filter on L4");
1327 if (item_flags
& l4m
)
1328 return rte_flow_error_set(error
, EINVAL
,
1329 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1330 "multiple L4 layers not supported");
1332 mask
= &rte_flow_item_udp_mask
;
1333 ret
= mlx5_flow_item_acceptable
1334 (item
, (const uint8_t *)mask
,
1335 (const uint8_t *)&rte_flow_item_udp_mask
,
1336 sizeof(struct rte_flow_item_udp
), error
);
1343 * Validate TCP item.
1346 * Item specification.
1347 * @param[in] item_flags
1348 * Bit-fields that holds the items detected until now.
1349 * @param[in] target_protocol
1350 * The next protocol in the previous item.
1352 * Pointer to error structure.
1355 * 0 on success, a negative errno value otherwise and rte_errno is set.
1358 mlx5_flow_validate_item_tcp(const struct rte_flow_item
*item
,
1359 uint64_t item_flags
,
1360 uint8_t target_protocol
,
1361 const struct rte_flow_item_tcp
*flow_mask
,
1362 struct rte_flow_error
*error
)
1364 const struct rte_flow_item_tcp
*mask
= item
->mask
;
1365 const int tunnel
= !!(item_flags
& MLX5_FLOW_LAYER_TUNNEL
);
1366 const uint64_t l3m
= tunnel
? MLX5_FLOW_LAYER_INNER_L3
:
1367 MLX5_FLOW_LAYER_OUTER_L3
;
1368 const uint64_t l4m
= tunnel
? MLX5_FLOW_LAYER_INNER_L4
:
1369 MLX5_FLOW_LAYER_OUTER_L4
;
1373 if (target_protocol
!= 0xff && target_protocol
!= IPPROTO_TCP
)
1374 return rte_flow_error_set(error
, EINVAL
,
1375 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1376 "protocol filtering not compatible"
1378 if (!(item_flags
& l3m
))
1379 return rte_flow_error_set(error
, EINVAL
,
1380 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1381 "L3 is mandatory to filter on L4");
1382 if (item_flags
& l4m
)
1383 return rte_flow_error_set(error
, EINVAL
,
1384 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1385 "multiple L4 layers not supported");
1387 mask
= &rte_flow_item_tcp_mask
;
1388 ret
= mlx5_flow_item_acceptable
1389 (item
, (const uint8_t *)mask
,
1390 (const uint8_t *)flow_mask
,
1391 sizeof(struct rte_flow_item_tcp
), error
);
1398 * Validate VXLAN item.
1401 * Item specification.
1402 * @param[in] item_flags
1403 * Bit-fields that holds the items detected until now.
1404 * @param[in] target_protocol
1405 * The next protocol in the previous item.
1407 * Pointer to error structure.
1410 * 0 on success, a negative errno value otherwise and rte_errno is set.
1413 mlx5_flow_validate_item_vxlan(const struct rte_flow_item
*item
,
1414 uint64_t item_flags
,
1415 struct rte_flow_error
*error
)
1417 const struct rte_flow_item_vxlan
*spec
= item
->spec
;
1418 const struct rte_flow_item_vxlan
*mask
= item
->mask
;
1423 } id
= { .vlan_id
= 0, };
1424 uint32_t vlan_id
= 0;
1427 if (item_flags
& MLX5_FLOW_LAYER_TUNNEL
)
1428 return rte_flow_error_set(error
, ENOTSUP
,
1429 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1430 "multiple tunnel layers not"
1433 * Verify only UDPv4 is present as defined in
1434 * https://tools.ietf.org/html/rfc7348
1436 if (!(item_flags
& MLX5_FLOW_LAYER_OUTER_L4_UDP
))
1437 return rte_flow_error_set(error
, EINVAL
,
1438 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1439 "no outer UDP layer found");
1441 mask
= &rte_flow_item_vxlan_mask
;
1442 ret
= mlx5_flow_item_acceptable
1443 (item
, (const uint8_t *)mask
,
1444 (const uint8_t *)&rte_flow_item_vxlan_mask
,
1445 sizeof(struct rte_flow_item_vxlan
),
1450 memcpy(&id
.vni
[1], spec
->vni
, 3);
1451 vlan_id
= id
.vlan_id
;
1452 memcpy(&id
.vni
[1], mask
->vni
, 3);
1453 vlan_id
&= id
.vlan_id
;
1456 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if
1457 * only this layer is defined in the Verbs specification it is
1458 * interpreted as wildcard and all packets will match this
1459 * rule, if it follows a full stack layer (ex: eth / ipv4 /
1460 * udp), all packets matching the layers before will also
1461 * match this rule. To avoid such situation, VNI 0 is
1462 * currently refused.
1465 return rte_flow_error_set(error
, ENOTSUP
,
1466 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1467 "VXLAN vni cannot be 0");
1468 if (!(item_flags
& MLX5_FLOW_LAYER_OUTER
))
1469 return rte_flow_error_set(error
, ENOTSUP
,
1470 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1471 "VXLAN tunnel must be fully defined");
1476 * Validate VXLAN_GPE item.
1479 * Item specification.
1480 * @param[in] item_flags
1481 * Bit-fields that holds the items detected until now.
1483 * Pointer to the private data structure.
1484 * @param[in] target_protocol
1485 * The next protocol in the previous item.
1487 * Pointer to error structure.
1490 * 0 on success, a negative errno value otherwise and rte_errno is set.
1493 mlx5_flow_validate_item_vxlan_gpe(const struct rte_flow_item
*item
,
1494 uint64_t item_flags
,
1495 struct rte_eth_dev
*dev
,
1496 struct rte_flow_error
*error
)
1498 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
1499 const struct rte_flow_item_vxlan_gpe
*spec
= item
->spec
;
1500 const struct rte_flow_item_vxlan_gpe
*mask
= item
->mask
;
1505 } id
= { .vlan_id
= 0, };
1506 uint32_t vlan_id
= 0;
1508 if (!priv
->config
.l3_vxlan_en
)
1509 return rte_flow_error_set(error
, ENOTSUP
,
1510 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1511 "L3 VXLAN is not enabled by device"
1512 " parameter and/or not configured in"
1514 if (item_flags
& MLX5_FLOW_LAYER_TUNNEL
)
1515 return rte_flow_error_set(error
, ENOTSUP
,
1516 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1517 "multiple tunnel layers not"
1520 * Verify only UDPv4 is present as defined in
1521 * https://tools.ietf.org/html/rfc7348
1523 if (!(item_flags
& MLX5_FLOW_LAYER_OUTER_L4_UDP
))
1524 return rte_flow_error_set(error
, EINVAL
,
1525 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1526 "no outer UDP layer found");
1528 mask
= &rte_flow_item_vxlan_gpe_mask
;
1529 ret
= mlx5_flow_item_acceptable
1530 (item
, (const uint8_t *)mask
,
1531 (const uint8_t *)&rte_flow_item_vxlan_gpe_mask
,
1532 sizeof(struct rte_flow_item_vxlan_gpe
),
1538 return rte_flow_error_set(error
, ENOTSUP
,
1539 RTE_FLOW_ERROR_TYPE_ITEM
,
1541 "VxLAN-GPE protocol"
1543 memcpy(&id
.vni
[1], spec
->vni
, 3);
1544 vlan_id
= id
.vlan_id
;
1545 memcpy(&id
.vni
[1], mask
->vni
, 3);
1546 vlan_id
&= id
.vlan_id
;
1549 * Tunnel id 0 is equivalent as not adding a VXLAN layer, if only this
1550 * layer is defined in the Verbs specification it is interpreted as
1551 * wildcard and all packets will match this rule, if it follows a full
1552 * stack layer (ex: eth / ipv4 / udp), all packets matching the layers
1553 * before will also match this rule. To avoid such situation, VNI 0
1554 * is currently refused.
1557 return rte_flow_error_set(error
, ENOTSUP
,
1558 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1559 "VXLAN-GPE vni cannot be 0");
1560 if (!(item_flags
& MLX5_FLOW_LAYER_OUTER
))
1561 return rte_flow_error_set(error
, ENOTSUP
,
1562 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1563 "VXLAN-GPE tunnel must be fully"
1569 * Validate GRE item.
1572 * Item specification.
1573 * @param[in] item_flags
1574 * Bit flags to mark detected items.
1575 * @param[in] target_protocol
1576 * The next protocol in the previous item.
1578 * Pointer to error structure.
1581 * 0 on success, a negative errno value otherwise and rte_errno is set.
1584 mlx5_flow_validate_item_gre(const struct rte_flow_item
*item
,
1585 uint64_t item_flags
,
1586 uint8_t target_protocol
,
1587 struct rte_flow_error
*error
)
1589 const struct rte_flow_item_gre
*spec __rte_unused
= item
->spec
;
1590 const struct rte_flow_item_gre
*mask
= item
->mask
;
1593 if (target_protocol
!= 0xff && target_protocol
!= IPPROTO_GRE
)
1594 return rte_flow_error_set(error
, EINVAL
,
1595 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1596 "protocol filtering not compatible"
1597 " with this GRE layer");
1598 if (item_flags
& MLX5_FLOW_LAYER_TUNNEL
)
1599 return rte_flow_error_set(error
, ENOTSUP
,
1600 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1601 "multiple tunnel layers not"
1603 if (!(item_flags
& MLX5_FLOW_LAYER_OUTER_L3
))
1604 return rte_flow_error_set(error
, ENOTSUP
,
1605 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1606 "L3 Layer is missing");
1608 mask
= &rte_flow_item_gre_mask
;
1609 ret
= mlx5_flow_item_acceptable
1610 (item
, (const uint8_t *)mask
,
1611 (const uint8_t *)&rte_flow_item_gre_mask
,
1612 sizeof(struct rte_flow_item_gre
), error
);
1615 #ifndef HAVE_IBV_DEVICE_MPLS_SUPPORT
1616 if (spec
&& (spec
->protocol
& mask
->protocol
))
1617 return rte_flow_error_set(error
, ENOTSUP
,
1618 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1619 "without MPLS support the"
1620 " specification cannot be used for"
1627 * Validate MPLS item.
1630 * Pointer to the rte_eth_dev structure.
1632 * Item specification.
1633 * @param[in] item_flags
1634 * Bit-fields that holds the items detected until now.
1635 * @param[in] prev_layer
1636 * The protocol layer indicated in previous item.
1638 * Pointer to error structure.
1641 * 0 on success, a negative errno value otherwise and rte_errno is set.
1644 mlx5_flow_validate_item_mpls(struct rte_eth_dev
*dev __rte_unused
,
1645 const struct rte_flow_item
*item __rte_unused
,
1646 uint64_t item_flags __rte_unused
,
1647 uint64_t prev_layer __rte_unused
,
1648 struct rte_flow_error
*error
)
1650 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
1651 const struct rte_flow_item_mpls
*mask
= item
->mask
;
1652 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
1655 if (!priv
->config
.mpls_en
)
1656 return rte_flow_error_set(error
, ENOTSUP
,
1657 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1658 "MPLS not supported or"
1659 " disabled in firmware"
1661 /* MPLS over IP, UDP, GRE is allowed */
1662 if (!(prev_layer
& (MLX5_FLOW_LAYER_OUTER_L3
|
1663 MLX5_FLOW_LAYER_OUTER_L4_UDP
|
1664 MLX5_FLOW_LAYER_GRE
)))
1665 return rte_flow_error_set(error
, EINVAL
,
1666 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1667 "protocol filtering not compatible"
1668 " with MPLS layer");
1669 /* Multi-tunnel isn't allowed but MPLS over GRE is an exception. */
1670 if ((item_flags
& MLX5_FLOW_LAYER_TUNNEL
) &&
1671 !(item_flags
& MLX5_FLOW_LAYER_GRE
))
1672 return rte_flow_error_set(error
, ENOTSUP
,
1673 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1674 "multiple tunnel layers not"
1677 mask
= &rte_flow_item_mpls_mask
;
1678 ret
= mlx5_flow_item_acceptable
1679 (item
, (const uint8_t *)mask
,
1680 (const uint8_t *)&rte_flow_item_mpls_mask
,
1681 sizeof(struct rte_flow_item_mpls
), error
);
1686 return rte_flow_error_set(error
, ENOTSUP
,
1687 RTE_FLOW_ERROR_TYPE_ITEM
, item
,
1688 "MPLS is not supported by Verbs, please"
1693 flow_null_validate(struct rte_eth_dev
*dev __rte_unused
,
1694 const struct rte_flow_attr
*attr __rte_unused
,
1695 const struct rte_flow_item items
[] __rte_unused
,
1696 const struct rte_flow_action actions
[] __rte_unused
,
1697 struct rte_flow_error
*error __rte_unused
)
1699 rte_errno
= ENOTSUP
;
1703 static struct mlx5_flow
*
1704 flow_null_prepare(const struct rte_flow_attr
*attr __rte_unused
,
1705 const struct rte_flow_item items
[] __rte_unused
,
1706 const struct rte_flow_action actions
[] __rte_unused
,
1707 struct rte_flow_error
*error __rte_unused
)
1709 rte_errno
= ENOTSUP
;
1714 flow_null_translate(struct rte_eth_dev
*dev __rte_unused
,
1715 struct mlx5_flow
*dev_flow __rte_unused
,
1716 const struct rte_flow_attr
*attr __rte_unused
,
1717 const struct rte_flow_item items
[] __rte_unused
,
1718 const struct rte_flow_action actions
[] __rte_unused
,
1719 struct rte_flow_error
*error __rte_unused
)
1721 rte_errno
= ENOTSUP
;
1726 flow_null_apply(struct rte_eth_dev
*dev __rte_unused
,
1727 struct rte_flow
*flow __rte_unused
,
1728 struct rte_flow_error
*error __rte_unused
)
1730 rte_errno
= ENOTSUP
;
1735 flow_null_remove(struct rte_eth_dev
*dev __rte_unused
,
1736 struct rte_flow
*flow __rte_unused
)
1741 flow_null_destroy(struct rte_eth_dev
*dev __rte_unused
,
1742 struct rte_flow
*flow __rte_unused
)
1747 flow_null_query(struct rte_eth_dev
*dev __rte_unused
,
1748 struct rte_flow
*flow __rte_unused
,
1749 const struct rte_flow_action
*actions __rte_unused
,
1750 void *data __rte_unused
,
1751 struct rte_flow_error
*error __rte_unused
)
1753 rte_errno
= ENOTSUP
;
1757 /* Void driver to protect from null pointer reference. */
1758 const struct mlx5_flow_driver_ops mlx5_flow_null_drv_ops
= {
1759 .validate
= flow_null_validate
,
1760 .prepare
= flow_null_prepare
,
1761 .translate
= flow_null_translate
,
1762 .apply
= flow_null_apply
,
1763 .remove
= flow_null_remove
,
1764 .destroy
= flow_null_destroy
,
1765 .query
= flow_null_query
,
1769 * Select flow driver type according to flow attributes and device
1773 * Pointer to the dev structure.
1775 * Pointer to the flow attributes.
1778 * flow driver type, MLX5_FLOW_TYPE_MAX otherwise.
1780 static enum mlx5_flow_drv_type
1781 flow_get_drv_type(struct rte_eth_dev
*dev
, const struct rte_flow_attr
*attr
)
1783 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
1784 enum mlx5_flow_drv_type type
= MLX5_FLOW_TYPE_MAX
;
1786 if (attr
->transfer
&& !priv
->config
.dv_esw_en
)
1787 type
= MLX5_FLOW_TYPE_TCF
;
1789 type
= priv
->config
.dv_flow_en
? MLX5_FLOW_TYPE_DV
:
1790 MLX5_FLOW_TYPE_VERBS
;
1794 #define flow_get_drv_ops(type) flow_drv_ops[type]
1797 * Flow driver validation API. This abstracts calling driver specific functions.
1798 * The type of flow driver is determined according to flow attributes.
1801 * Pointer to the dev structure.
1803 * Pointer to the flow attributes.
1805 * Pointer to the list of items.
1806 * @param[in] actions
1807 * Pointer to the list of actions.
1809 * Pointer to the error structure.
1812 * 0 on success, a negative errno value otherwise and rte_errno is set.
1815 flow_drv_validate(struct rte_eth_dev
*dev
,
1816 const struct rte_flow_attr
*attr
,
1817 const struct rte_flow_item items
[],
1818 const struct rte_flow_action actions
[],
1819 struct rte_flow_error
*error
)
1821 const struct mlx5_flow_driver_ops
*fops
;
1822 enum mlx5_flow_drv_type type
= flow_get_drv_type(dev
, attr
);
1824 fops
= flow_get_drv_ops(type
);
1825 return fops
->validate(dev
, attr
, items
, actions
, error
);
1829 * Flow driver preparation API. This abstracts calling driver specific
1830 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
1831 * calculates the size of memory required for device flow, allocates the memory,
1832 * initializes the device flow and returns the pointer.
1835 * This function initializes device flow structure such as dv, tcf or verbs in
1836 * struct mlx5_flow. However, it is caller's responsibility to initialize the
1837 * rest. For example, adding returning device flow to flow->dev_flow list and
1838 * setting backward reference to the flow should be done out of this function.
1839 * layers field is not filled either.
1842 * Pointer to the flow attributes.
1844 * Pointer to the list of items.
1845 * @param[in] actions
1846 * Pointer to the list of actions.
1848 * Pointer to the error structure.
1851 * Pointer to device flow on success, otherwise NULL and rte_errno is set.
1853 static inline struct mlx5_flow
*
1854 flow_drv_prepare(const struct rte_flow
*flow
,
1855 const struct rte_flow_attr
*attr
,
1856 const struct rte_flow_item items
[],
1857 const struct rte_flow_action actions
[],
1858 struct rte_flow_error
*error
)
1860 const struct mlx5_flow_driver_ops
*fops
;
1861 enum mlx5_flow_drv_type type
= flow
->drv_type
;
1863 assert(type
> MLX5_FLOW_TYPE_MIN
&& type
< MLX5_FLOW_TYPE_MAX
);
1864 fops
= flow_get_drv_ops(type
);
1865 return fops
->prepare(attr
, items
, actions
, error
);
1869 * Flow driver translation API. This abstracts calling driver specific
1870 * functions. Parent flow (rte_flow) should have driver type (drv_type). It
1871 * translates a generic flow into a driver flow. flow_drv_prepare() must
1875 * dev_flow->layers could be filled as a result of parsing during translation
1876 * if needed by flow_drv_apply(). dev_flow->flow->actions can also be filled
1877 * if necessary. As a flow can have multiple dev_flows by RSS flow expansion,
1878 * flow->actions could be overwritten even though all the expanded dev_flows
1879 * have the same actions.
1882 * Pointer to the rte dev structure.
1883 * @param[in, out] dev_flow
1884 * Pointer to the mlx5 flow.
1886 * Pointer to the flow attributes.
1888 * Pointer to the list of items.
1889 * @param[in] actions
1890 * Pointer to the list of actions.
1892 * Pointer to the error structure.
1895 * 0 on success, a negative errno value otherwise and rte_errno is set.
1898 flow_drv_translate(struct rte_eth_dev
*dev
, struct mlx5_flow
*dev_flow
,
1899 const struct rte_flow_attr
*attr
,
1900 const struct rte_flow_item items
[],
1901 const struct rte_flow_action actions
[],
1902 struct rte_flow_error
*error
)
1904 const struct mlx5_flow_driver_ops
*fops
;
1905 enum mlx5_flow_drv_type type
= dev_flow
->flow
->drv_type
;
1907 assert(type
> MLX5_FLOW_TYPE_MIN
&& type
< MLX5_FLOW_TYPE_MAX
);
1908 fops
= flow_get_drv_ops(type
);
1909 return fops
->translate(dev
, dev_flow
, attr
, items
, actions
, error
);
1913 * Flow driver apply API. This abstracts calling driver specific functions.
1914 * Parent flow (rte_flow) should have driver type (drv_type). It applies
1915 * translated driver flows on to device. flow_drv_translate() must precede.
1918 * Pointer to Ethernet device structure.
1919 * @param[in, out] flow
1920 * Pointer to flow structure.
1922 * Pointer to error structure.
1925 * 0 on success, a negative errno value otherwise and rte_errno is set.
1928 flow_drv_apply(struct rte_eth_dev
*dev
, struct rte_flow
*flow
,
1929 struct rte_flow_error
*error
)
1931 const struct mlx5_flow_driver_ops
*fops
;
1932 enum mlx5_flow_drv_type type
= flow
->drv_type
;
1934 assert(type
> MLX5_FLOW_TYPE_MIN
&& type
< MLX5_FLOW_TYPE_MAX
);
1935 fops
= flow_get_drv_ops(type
);
1936 return fops
->apply(dev
, flow
, error
);
1940 * Flow driver remove API. This abstracts calling driver specific functions.
1941 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
1942 * on device. All the resources of the flow should be freed by calling
1943 * flow_drv_destroy().
1946 * Pointer to Ethernet device.
1947 * @param[in, out] flow
1948 * Pointer to flow structure.
1951 flow_drv_remove(struct rte_eth_dev
*dev
, struct rte_flow
*flow
)
1953 const struct mlx5_flow_driver_ops
*fops
;
1954 enum mlx5_flow_drv_type type
= flow
->drv_type
;
1956 assert(type
> MLX5_FLOW_TYPE_MIN
&& type
< MLX5_FLOW_TYPE_MAX
);
1957 fops
= flow_get_drv_ops(type
);
1958 fops
->remove(dev
, flow
);
1962 * Flow driver destroy API. This abstracts calling driver specific functions.
1963 * Parent flow (rte_flow) should have driver type (drv_type). It removes a flow
1964 * on device and releases resources of the flow.
1967 * Pointer to Ethernet device.
1968 * @param[in, out] flow
1969 * Pointer to flow structure.
1972 flow_drv_destroy(struct rte_eth_dev
*dev
, struct rte_flow
*flow
)
1974 const struct mlx5_flow_driver_ops
*fops
;
1975 enum mlx5_flow_drv_type type
= flow
->drv_type
;
1977 assert(type
> MLX5_FLOW_TYPE_MIN
&& type
< MLX5_FLOW_TYPE_MAX
);
1978 fops
= flow_get_drv_ops(type
);
1979 fops
->destroy(dev
, flow
);
1983 * Validate a flow supported by the NIC.
1985 * @see rte_flow_validate()
1989 mlx5_flow_validate(struct rte_eth_dev
*dev
,
1990 const struct rte_flow_attr
*attr
,
1991 const struct rte_flow_item items
[],
1992 const struct rte_flow_action actions
[],
1993 struct rte_flow_error
*error
)
1997 ret
= flow_drv_validate(dev
, attr
, items
, actions
, error
);
2004 * Get RSS action from the action list.
2006 * @param[in] actions
2007 * Pointer to the list of actions.
2010 * Pointer to the RSS action if exist, else return NULL.
2012 static const struct rte_flow_action_rss
*
2013 flow_get_rss_action(const struct rte_flow_action actions
[])
2015 for (; actions
->type
!= RTE_FLOW_ACTION_TYPE_END
; actions
++) {
2016 switch (actions
->type
) {
2017 case RTE_FLOW_ACTION_TYPE_RSS
:
2018 return (const struct rte_flow_action_rss
*)
2028 find_graph_root(const struct rte_flow_item pattern
[], uint32_t rss_level
)
2030 const struct rte_flow_item
*item
;
2031 unsigned int has_vlan
= 0;
2033 for (item
= pattern
; item
->type
!= RTE_FLOW_ITEM_TYPE_END
; item
++) {
2034 if (item
->type
== RTE_FLOW_ITEM_TYPE_VLAN
) {
2040 return rss_level
< 2 ? MLX5_EXPANSION_ROOT_ETH_VLAN
:
2041 MLX5_EXPANSION_ROOT_OUTER_ETH_VLAN
;
2042 return rss_level
< 2 ? MLX5_EXPANSION_ROOT
:
2043 MLX5_EXPANSION_ROOT_OUTER
;
2047 * Create a flow and add it to @p list.
2050 * Pointer to Ethernet device.
2052 * Pointer to a TAILQ flow list.
2054 * Flow rule attributes.
2056 * Pattern specification (list terminated by the END pattern item).
2057 * @param[in] actions
2058 * Associated actions (list terminated by the END action).
2060 * Perform verbose error reporting if not NULL.
2063 * A flow on success, NULL otherwise and rte_errno is set.
2065 static struct rte_flow
*
2066 flow_list_create(struct rte_eth_dev
*dev
, struct mlx5_flows
*list
,
2067 const struct rte_flow_attr
*attr
,
2068 const struct rte_flow_item items
[],
2069 const struct rte_flow_action actions
[],
2070 struct rte_flow_error
*error
)
2072 struct rte_flow
*flow
= NULL
;
2073 struct mlx5_flow
*dev_flow
;
2074 const struct rte_flow_action_rss
*rss
;
2076 struct rte_flow_expand_rss buf
;
2077 uint8_t buffer
[2048];
2079 struct rte_flow_expand_rss
*buf
= &expand_buffer
.buf
;
2084 ret
= flow_drv_validate(dev
, attr
, items
, actions
, error
);
2087 flow_size
= sizeof(struct rte_flow
);
2088 rss
= flow_get_rss_action(actions
);
2090 flow_size
+= RTE_ALIGN_CEIL(rss
->queue_num
* sizeof(uint16_t),
2093 flow_size
+= RTE_ALIGN_CEIL(sizeof(uint16_t), sizeof(void *));
2094 flow
= rte_calloc(__func__
, 1, flow_size
, 0);
2095 flow
->drv_type
= flow_get_drv_type(dev
, attr
);
2096 flow
->ingress
= attr
->ingress
;
2097 flow
->transfer
= attr
->transfer
;
2098 assert(flow
->drv_type
> MLX5_FLOW_TYPE_MIN
&&
2099 flow
->drv_type
< MLX5_FLOW_TYPE_MAX
);
2100 flow
->queue
= (void *)(flow
+ 1);
2101 LIST_INIT(&flow
->dev_flows
);
2102 if (rss
&& rss
->types
) {
2103 unsigned int graph_root
;
2105 graph_root
= find_graph_root(items
, rss
->level
);
2106 ret
= rte_flow_expand_rss(buf
, sizeof(expand_buffer
.buffer
),
2108 mlx5_support_expansion
,
2111 (unsigned int)ret
< sizeof(expand_buffer
.buffer
));
2114 buf
->entry
[0].pattern
= (void *)(uintptr_t)items
;
2116 for (i
= 0; i
< buf
->entries
; ++i
) {
2117 dev_flow
= flow_drv_prepare(flow
, attr
, buf
->entry
[i
].pattern
,
2121 dev_flow
->flow
= flow
;
2122 LIST_INSERT_HEAD(&flow
->dev_flows
, dev_flow
, next
);
2123 ret
= flow_drv_translate(dev
, dev_flow
, attr
,
2124 buf
->entry
[i
].pattern
,
2129 if (dev
->data
->dev_started
) {
2130 ret
= flow_drv_apply(dev
, flow
, error
);
2134 TAILQ_INSERT_TAIL(list
, flow
, next
);
2135 flow_rxq_flags_set(dev
, flow
);
2138 ret
= rte_errno
; /* Save rte_errno before cleanup. */
2140 flow_drv_destroy(dev
, flow
);
2142 rte_errno
= ret
; /* Restore rte_errno. */
2149 * @see rte_flow_create()
2153 mlx5_flow_create(struct rte_eth_dev
*dev
,
2154 const struct rte_flow_attr
*attr
,
2155 const struct rte_flow_item items
[],
2156 const struct rte_flow_action actions
[],
2157 struct rte_flow_error
*error
)
2159 struct mlx5_priv
*priv
= (struct mlx5_priv
*)dev
->data
->dev_private
;
2161 return flow_list_create(dev
, &priv
->flows
,
2162 attr
, items
, actions
, error
);
2166 * Destroy a flow in a list.
2169 * Pointer to Ethernet device.
2171 * Pointer to a TAILQ flow list.
2176 flow_list_destroy(struct rte_eth_dev
*dev
, struct mlx5_flows
*list
,
2177 struct rte_flow
*flow
)
2180 * Update RX queue flags only if port is started, otherwise it is
2183 if (dev
->data
->dev_started
)
2184 flow_rxq_flags_trim(dev
, flow
);
2185 flow_drv_destroy(dev
, flow
);
2186 TAILQ_REMOVE(list
, flow
, next
);
2187 rte_free(flow
->fdir
);
2192 * Destroy all flows.
2195 * Pointer to Ethernet device.
2197 * Pointer to a TAILQ flow list.
2200 mlx5_flow_list_flush(struct rte_eth_dev
*dev
, struct mlx5_flows
*list
)
2202 while (!TAILQ_EMPTY(list
)) {
2203 struct rte_flow
*flow
;
2205 flow
= TAILQ_FIRST(list
);
2206 flow_list_destroy(dev
, list
, flow
);
2214 * Pointer to Ethernet device.
2216 * Pointer to a TAILQ flow list.
2219 mlx5_flow_stop(struct rte_eth_dev
*dev
, struct mlx5_flows
*list
)
2221 struct rte_flow
*flow
;
2223 TAILQ_FOREACH_REVERSE(flow
, list
, mlx5_flows
, next
)
2224 flow_drv_remove(dev
, flow
);
2225 flow_rxq_flags_clear(dev
);
2232 * Pointer to Ethernet device.
2234 * Pointer to a TAILQ flow list.
2237 * 0 on success, a negative errno value otherwise and rte_errno is set.
2240 mlx5_flow_start(struct rte_eth_dev
*dev
, struct mlx5_flows
*list
)
2242 struct rte_flow
*flow
;
2243 struct rte_flow_error error
;
2246 TAILQ_FOREACH(flow
, list
, next
) {
2247 ret
= flow_drv_apply(dev
, flow
, &error
);
2250 flow_rxq_flags_set(dev
, flow
);
2254 ret
= rte_errno
; /* Save rte_errno before cleanup. */
2255 mlx5_flow_stop(dev
, list
);
2256 rte_errno
= ret
; /* Restore rte_errno. */
2261 * Verify the flow list is empty
2264 * Pointer to Ethernet device.
2266 * @return the number of flows not released.
2269 mlx5_flow_verify(struct rte_eth_dev
*dev
)
2271 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2272 struct rte_flow
*flow
;
2275 TAILQ_FOREACH(flow
, &priv
->flows
, next
) {
2276 DRV_LOG(DEBUG
, "port %u flow %p still referenced",
2277 dev
->data
->port_id
, (void *)flow
);
2284 * Enable a control flow configured from the control plane.
2287 * Pointer to Ethernet device.
2289 * An Ethernet flow spec to apply.
2291 * An Ethernet flow mask to apply.
2293 * A VLAN flow spec to apply.
2295 * A VLAN flow mask to apply.
2298 * 0 on success, a negative errno value otherwise and rte_errno is set.
2301 mlx5_ctrl_flow_vlan(struct rte_eth_dev
*dev
,
2302 struct rte_flow_item_eth
*eth_spec
,
2303 struct rte_flow_item_eth
*eth_mask
,
2304 struct rte_flow_item_vlan
*vlan_spec
,
2305 struct rte_flow_item_vlan
*vlan_mask
)
2307 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2308 const struct rte_flow_attr attr
= {
2310 .priority
= MLX5_FLOW_PRIO_RSVD
,
2312 struct rte_flow_item items
[] = {
2314 .type
= RTE_FLOW_ITEM_TYPE_ETH
,
2320 .type
= (vlan_spec
) ? RTE_FLOW_ITEM_TYPE_VLAN
:
2321 RTE_FLOW_ITEM_TYPE_END
,
2327 .type
= RTE_FLOW_ITEM_TYPE_END
,
2330 uint16_t queue
[priv
->reta_idx_n
];
2331 struct rte_flow_action_rss action_rss
= {
2332 .func
= RTE_ETH_HASH_FUNCTION_DEFAULT
,
2334 .types
= priv
->rss_conf
.rss_hf
,
2335 .key_len
= priv
->rss_conf
.rss_key_len
,
2336 .queue_num
= priv
->reta_idx_n
,
2337 .key
= priv
->rss_conf
.rss_key
,
2340 struct rte_flow_action actions
[] = {
2342 .type
= RTE_FLOW_ACTION_TYPE_RSS
,
2343 .conf
= &action_rss
,
2346 .type
= RTE_FLOW_ACTION_TYPE_END
,
2349 struct rte_flow
*flow
;
2350 struct rte_flow_error error
;
2353 if (!priv
->reta_idx_n
|| !priv
->rxqs_n
) {
2356 for (i
= 0; i
!= priv
->reta_idx_n
; ++i
)
2357 queue
[i
] = (*priv
->reta_idx
)[i
];
2358 flow
= flow_list_create(dev
, &priv
->ctrl_flows
,
2359 &attr
, items
, actions
, &error
);
2366 * Enable a flow control configured from the control plane.
2369 * Pointer to Ethernet device.
2371 * An Ethernet flow spec to apply.
2373 * An Ethernet flow mask to apply.
2376 * 0 on success, a negative errno value otherwise and rte_errno is set.
2379 mlx5_ctrl_flow(struct rte_eth_dev
*dev
,
2380 struct rte_flow_item_eth
*eth_spec
,
2381 struct rte_flow_item_eth
*eth_mask
)
2383 return mlx5_ctrl_flow_vlan(dev
, eth_spec
, eth_mask
, NULL
, NULL
);
2389 * @see rte_flow_destroy()
2393 mlx5_flow_destroy(struct rte_eth_dev
*dev
,
2394 struct rte_flow
*flow
,
2395 struct rte_flow_error
*error __rte_unused
)
2397 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2399 flow_list_destroy(dev
, &priv
->flows
, flow
);
2404 * Destroy all flows.
2406 * @see rte_flow_flush()
2410 mlx5_flow_flush(struct rte_eth_dev
*dev
,
2411 struct rte_flow_error
*error __rte_unused
)
2413 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2415 mlx5_flow_list_flush(dev
, &priv
->flows
);
2422 * @see rte_flow_isolate()
2426 mlx5_flow_isolate(struct rte_eth_dev
*dev
,
2428 struct rte_flow_error
*error
)
2430 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2432 if (dev
->data
->dev_started
) {
2433 rte_flow_error_set(error
, EBUSY
,
2434 RTE_FLOW_ERROR_TYPE_UNSPECIFIED
,
2436 "port must be stopped first");
2439 priv
->isolated
= !!enable
;
2441 dev
->dev_ops
= &mlx5_dev_ops_isolate
;
2443 dev
->dev_ops
= &mlx5_dev_ops
;
2450 * @see rte_flow_query()
2454 flow_drv_query(struct rte_eth_dev
*dev
,
2455 struct rte_flow
*flow
,
2456 const struct rte_flow_action
*actions
,
2458 struct rte_flow_error
*error
)
2460 const struct mlx5_flow_driver_ops
*fops
;
2461 enum mlx5_flow_drv_type ftype
= flow
->drv_type
;
2463 assert(ftype
> MLX5_FLOW_TYPE_MIN
&& ftype
< MLX5_FLOW_TYPE_MAX
);
2464 fops
= flow_get_drv_ops(ftype
);
2466 return fops
->query(dev
, flow
, actions
, data
, error
);
2472 * @see rte_flow_query()
2476 mlx5_flow_query(struct rte_eth_dev
*dev
,
2477 struct rte_flow
*flow
,
2478 const struct rte_flow_action
*actions
,
2480 struct rte_flow_error
*error
)
2484 ret
= flow_drv_query(dev
, flow
, actions
, data
, error
);
2491 * Convert a flow director filter to a generic flow.
2494 * Pointer to Ethernet device.
2495 * @param fdir_filter
2496 * Flow director filter to add.
2498 * Generic flow parameters structure.
2501 * 0 on success, a negative errno value otherwise and rte_errno is set.
2504 flow_fdir_filter_convert(struct rte_eth_dev
*dev
,
2505 const struct rte_eth_fdir_filter
*fdir_filter
,
2506 struct mlx5_fdir
*attributes
)
2508 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2509 const struct rte_eth_fdir_input
*input
= &fdir_filter
->input
;
2510 const struct rte_eth_fdir_masks
*mask
=
2511 &dev
->data
->dev_conf
.fdir_conf
.mask
;
2513 /* Validate queue number. */
2514 if (fdir_filter
->action
.rx_queue
>= priv
->rxqs_n
) {
2515 DRV_LOG(ERR
, "port %u invalid queue number %d",
2516 dev
->data
->port_id
, fdir_filter
->action
.rx_queue
);
2520 attributes
->attr
.ingress
= 1;
2521 attributes
->items
[0] = (struct rte_flow_item
) {
2522 .type
= RTE_FLOW_ITEM_TYPE_ETH
,
2523 .spec
= &attributes
->l2
,
2524 .mask
= &attributes
->l2_mask
,
2526 switch (fdir_filter
->action
.behavior
) {
2527 case RTE_ETH_FDIR_ACCEPT
:
2528 attributes
->actions
[0] = (struct rte_flow_action
){
2529 .type
= RTE_FLOW_ACTION_TYPE_QUEUE
,
2530 .conf
= &attributes
->queue
,
2533 case RTE_ETH_FDIR_REJECT
:
2534 attributes
->actions
[0] = (struct rte_flow_action
){
2535 .type
= RTE_FLOW_ACTION_TYPE_DROP
,
2539 DRV_LOG(ERR
, "port %u invalid behavior %d",
2541 fdir_filter
->action
.behavior
);
2542 rte_errno
= ENOTSUP
;
2545 attributes
->queue
.index
= fdir_filter
->action
.rx_queue
;
2547 switch (fdir_filter
->input
.flow_type
) {
2548 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP
:
2549 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP
:
2550 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER
:
2551 attributes
->l3
.ipv4
.hdr
= (struct ipv4_hdr
){
2552 .src_addr
= input
->flow
.ip4_flow
.src_ip
,
2553 .dst_addr
= input
->flow
.ip4_flow
.dst_ip
,
2554 .time_to_live
= input
->flow
.ip4_flow
.ttl
,
2555 .type_of_service
= input
->flow
.ip4_flow
.tos
,
2557 attributes
->l3_mask
.ipv4
.hdr
= (struct ipv4_hdr
){
2558 .src_addr
= mask
->ipv4_mask
.src_ip
,
2559 .dst_addr
= mask
->ipv4_mask
.dst_ip
,
2560 .time_to_live
= mask
->ipv4_mask
.ttl
,
2561 .type_of_service
= mask
->ipv4_mask
.tos
,
2562 .next_proto_id
= mask
->ipv4_mask
.proto
,
2564 attributes
->items
[1] = (struct rte_flow_item
){
2565 .type
= RTE_FLOW_ITEM_TYPE_IPV4
,
2566 .spec
= &attributes
->l3
,
2567 .mask
= &attributes
->l3_mask
,
2570 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP
:
2571 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP
:
2572 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER
:
2573 attributes
->l3
.ipv6
.hdr
= (struct ipv6_hdr
){
2574 .hop_limits
= input
->flow
.ipv6_flow
.hop_limits
,
2575 .proto
= input
->flow
.ipv6_flow
.proto
,
2578 memcpy(attributes
->l3
.ipv6
.hdr
.src_addr
,
2579 input
->flow
.ipv6_flow
.src_ip
,
2580 RTE_DIM(attributes
->l3
.ipv6
.hdr
.src_addr
));
2581 memcpy(attributes
->l3
.ipv6
.hdr
.dst_addr
,
2582 input
->flow
.ipv6_flow
.dst_ip
,
2583 RTE_DIM(attributes
->l3
.ipv6
.hdr
.src_addr
));
2584 memcpy(attributes
->l3_mask
.ipv6
.hdr
.src_addr
,
2585 mask
->ipv6_mask
.src_ip
,
2586 RTE_DIM(attributes
->l3_mask
.ipv6
.hdr
.src_addr
));
2587 memcpy(attributes
->l3_mask
.ipv6
.hdr
.dst_addr
,
2588 mask
->ipv6_mask
.dst_ip
,
2589 RTE_DIM(attributes
->l3_mask
.ipv6
.hdr
.src_addr
));
2590 attributes
->items
[1] = (struct rte_flow_item
){
2591 .type
= RTE_FLOW_ITEM_TYPE_IPV6
,
2592 .spec
= &attributes
->l3
,
2593 .mask
= &attributes
->l3_mask
,
2597 DRV_LOG(ERR
, "port %u invalid flow type%d",
2598 dev
->data
->port_id
, fdir_filter
->input
.flow_type
);
2599 rte_errno
= ENOTSUP
;
2603 switch (fdir_filter
->input
.flow_type
) {
2604 case RTE_ETH_FLOW_NONFRAG_IPV4_UDP
:
2605 attributes
->l4
.udp
.hdr
= (struct udp_hdr
){
2606 .src_port
= input
->flow
.udp4_flow
.src_port
,
2607 .dst_port
= input
->flow
.udp4_flow
.dst_port
,
2609 attributes
->l4_mask
.udp
.hdr
= (struct udp_hdr
){
2610 .src_port
= mask
->src_port_mask
,
2611 .dst_port
= mask
->dst_port_mask
,
2613 attributes
->items
[2] = (struct rte_flow_item
){
2614 .type
= RTE_FLOW_ITEM_TYPE_UDP
,
2615 .spec
= &attributes
->l4
,
2616 .mask
= &attributes
->l4_mask
,
2619 case RTE_ETH_FLOW_NONFRAG_IPV4_TCP
:
2620 attributes
->l4
.tcp
.hdr
= (struct tcp_hdr
){
2621 .src_port
= input
->flow
.tcp4_flow
.src_port
,
2622 .dst_port
= input
->flow
.tcp4_flow
.dst_port
,
2624 attributes
->l4_mask
.tcp
.hdr
= (struct tcp_hdr
){
2625 .src_port
= mask
->src_port_mask
,
2626 .dst_port
= mask
->dst_port_mask
,
2628 attributes
->items
[2] = (struct rte_flow_item
){
2629 .type
= RTE_FLOW_ITEM_TYPE_TCP
,
2630 .spec
= &attributes
->l4
,
2631 .mask
= &attributes
->l4_mask
,
2634 case RTE_ETH_FLOW_NONFRAG_IPV6_UDP
:
2635 attributes
->l4
.udp
.hdr
= (struct udp_hdr
){
2636 .src_port
= input
->flow
.udp6_flow
.src_port
,
2637 .dst_port
= input
->flow
.udp6_flow
.dst_port
,
2639 attributes
->l4_mask
.udp
.hdr
= (struct udp_hdr
){
2640 .src_port
= mask
->src_port_mask
,
2641 .dst_port
= mask
->dst_port_mask
,
2643 attributes
->items
[2] = (struct rte_flow_item
){
2644 .type
= RTE_FLOW_ITEM_TYPE_UDP
,
2645 .spec
= &attributes
->l4
,
2646 .mask
= &attributes
->l4_mask
,
2649 case RTE_ETH_FLOW_NONFRAG_IPV6_TCP
:
2650 attributes
->l4
.tcp
.hdr
= (struct tcp_hdr
){
2651 .src_port
= input
->flow
.tcp6_flow
.src_port
,
2652 .dst_port
= input
->flow
.tcp6_flow
.dst_port
,
2654 attributes
->l4_mask
.tcp
.hdr
= (struct tcp_hdr
){
2655 .src_port
= mask
->src_port_mask
,
2656 .dst_port
= mask
->dst_port_mask
,
2658 attributes
->items
[2] = (struct rte_flow_item
){
2659 .type
= RTE_FLOW_ITEM_TYPE_TCP
,
2660 .spec
= &attributes
->l4
,
2661 .mask
= &attributes
->l4_mask
,
2664 case RTE_ETH_FLOW_NONFRAG_IPV4_OTHER
:
2665 case RTE_ETH_FLOW_NONFRAG_IPV6_OTHER
:
2668 DRV_LOG(ERR
, "port %u invalid flow type%d",
2669 dev
->data
->port_id
, fdir_filter
->input
.flow_type
);
2670 rte_errno
= ENOTSUP
;
2676 #define FLOW_FDIR_CMP(f1, f2, fld) \
2677 memcmp(&(f1)->fld, &(f2)->fld, sizeof(f1->fld))
2680 * Compare two FDIR flows. If items and actions are identical, the two flows are
2684 * Pointer to Ethernet device.
2686 * FDIR flow to compare.
2688 * FDIR flow to compare.
2691 * Zero on match, 1 otherwise.
2694 flow_fdir_cmp(const struct mlx5_fdir
*f1
, const struct mlx5_fdir
*f2
)
2696 if (FLOW_FDIR_CMP(f1
, f2
, attr
) ||
2697 FLOW_FDIR_CMP(f1
, f2
, l2
) ||
2698 FLOW_FDIR_CMP(f1
, f2
, l2_mask
) ||
2699 FLOW_FDIR_CMP(f1
, f2
, l3
) ||
2700 FLOW_FDIR_CMP(f1
, f2
, l3_mask
) ||
2701 FLOW_FDIR_CMP(f1
, f2
, l4
) ||
2702 FLOW_FDIR_CMP(f1
, f2
, l4_mask
) ||
2703 FLOW_FDIR_CMP(f1
, f2
, actions
[0].type
))
2705 if (f1
->actions
[0].type
== RTE_FLOW_ACTION_TYPE_QUEUE
&&
2706 FLOW_FDIR_CMP(f1
, f2
, queue
))
2712 * Search device flow list to find out a matched FDIR flow.
2715 * Pointer to Ethernet device.
2717 * FDIR flow to lookup.
2720 * Pointer of flow if found, NULL otherwise.
2722 static struct rte_flow
*
2723 flow_fdir_filter_lookup(struct rte_eth_dev
*dev
, struct mlx5_fdir
*fdir_flow
)
2725 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2726 struct rte_flow
*flow
= NULL
;
2729 TAILQ_FOREACH(flow
, &priv
->flows
, next
) {
2730 if (flow
->fdir
&& !flow_fdir_cmp(flow
->fdir
, fdir_flow
)) {
2731 DRV_LOG(DEBUG
, "port %u found FDIR flow %p",
2732 dev
->data
->port_id
, (void *)flow
);
2740 * Add new flow director filter and store it in list.
2743 * Pointer to Ethernet device.
2744 * @param fdir_filter
2745 * Flow director filter to add.
2748 * 0 on success, a negative errno value otherwise and rte_errno is set.
2751 flow_fdir_filter_add(struct rte_eth_dev
*dev
,
2752 const struct rte_eth_fdir_filter
*fdir_filter
)
2754 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2755 struct mlx5_fdir
*fdir_flow
;
2756 struct rte_flow
*flow
;
2759 fdir_flow
= rte_zmalloc(__func__
, sizeof(*fdir_flow
), 0);
2764 ret
= flow_fdir_filter_convert(dev
, fdir_filter
, fdir_flow
);
2767 flow
= flow_fdir_filter_lookup(dev
, fdir_flow
);
2772 flow
= flow_list_create(dev
, &priv
->flows
, &fdir_flow
->attr
,
2773 fdir_flow
->items
, fdir_flow
->actions
, NULL
);
2776 assert(!flow
->fdir
);
2777 flow
->fdir
= fdir_flow
;
2778 DRV_LOG(DEBUG
, "port %u created FDIR flow %p",
2779 dev
->data
->port_id
, (void *)flow
);
2782 rte_free(fdir_flow
);
2787 * Delete specific filter.
2790 * Pointer to Ethernet device.
2791 * @param fdir_filter
2792 * Filter to be deleted.
2795 * 0 on success, a negative errno value otherwise and rte_errno is set.
2798 flow_fdir_filter_delete(struct rte_eth_dev
*dev
,
2799 const struct rte_eth_fdir_filter
*fdir_filter
)
2801 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2802 struct rte_flow
*flow
;
2803 struct mlx5_fdir fdir_flow
= {
2808 ret
= flow_fdir_filter_convert(dev
, fdir_filter
, &fdir_flow
);
2811 flow
= flow_fdir_filter_lookup(dev
, &fdir_flow
);
2816 flow_list_destroy(dev
, &priv
->flows
, flow
);
2817 DRV_LOG(DEBUG
, "port %u deleted FDIR flow %p",
2818 dev
->data
->port_id
, (void *)flow
);
2823 * Update queue for specific filter.
2826 * Pointer to Ethernet device.
2827 * @param fdir_filter
2828 * Filter to be updated.
2831 * 0 on success, a negative errno value otherwise and rte_errno is set.
2834 flow_fdir_filter_update(struct rte_eth_dev
*dev
,
2835 const struct rte_eth_fdir_filter
*fdir_filter
)
2839 ret
= flow_fdir_filter_delete(dev
, fdir_filter
);
2842 return flow_fdir_filter_add(dev
, fdir_filter
);
2846 * Flush all filters.
2849 * Pointer to Ethernet device.
2852 flow_fdir_filter_flush(struct rte_eth_dev
*dev
)
2854 struct mlx5_priv
*priv
= dev
->data
->dev_private
;
2856 mlx5_flow_list_flush(dev
, &priv
->flows
);
2860 * Get flow director information.
2863 * Pointer to Ethernet device.
2864 * @param[out] fdir_info
2865 * Resulting flow director information.
2868 flow_fdir_info_get(struct rte_eth_dev
*dev
, struct rte_eth_fdir_info
*fdir_info
)
2870 struct rte_eth_fdir_masks
*mask
=
2871 &dev
->data
->dev_conf
.fdir_conf
.mask
;
2873 fdir_info
->mode
= dev
->data
->dev_conf
.fdir_conf
.mode
;
2874 fdir_info
->guarant_spc
= 0;
2875 rte_memcpy(&fdir_info
->mask
, mask
, sizeof(fdir_info
->mask
));
2876 fdir_info
->max_flexpayload
= 0;
2877 fdir_info
->flow_types_mask
[0] = 0;
2878 fdir_info
->flex_payload_unit
= 0;
2879 fdir_info
->max_flex_payload_segment_num
= 0;
2880 fdir_info
->flex_payload_limit
= 0;
2881 memset(&fdir_info
->flex_conf
, 0, sizeof(fdir_info
->flex_conf
));
2885 * Deal with flow director operations.
2888 * Pointer to Ethernet device.
2890 * Operation to perform.
2892 * Pointer to operation-specific structure.
2895 * 0 on success, a negative errno value otherwise and rte_errno is set.
2898 flow_fdir_ctrl_func(struct rte_eth_dev
*dev
, enum rte_filter_op filter_op
,
2901 enum rte_fdir_mode fdir_mode
=
2902 dev
->data
->dev_conf
.fdir_conf
.mode
;
2904 if (filter_op
== RTE_ETH_FILTER_NOP
)
2906 if (fdir_mode
!= RTE_FDIR_MODE_PERFECT
&&
2907 fdir_mode
!= RTE_FDIR_MODE_PERFECT_MAC_VLAN
) {
2908 DRV_LOG(ERR
, "port %u flow director mode %d not supported",
2909 dev
->data
->port_id
, fdir_mode
);
2913 switch (filter_op
) {
2914 case RTE_ETH_FILTER_ADD
:
2915 return flow_fdir_filter_add(dev
, arg
);
2916 case RTE_ETH_FILTER_UPDATE
:
2917 return flow_fdir_filter_update(dev
, arg
);
2918 case RTE_ETH_FILTER_DELETE
:
2919 return flow_fdir_filter_delete(dev
, arg
);
2920 case RTE_ETH_FILTER_FLUSH
:
2921 flow_fdir_filter_flush(dev
);
2923 case RTE_ETH_FILTER_INFO
:
2924 flow_fdir_info_get(dev
, arg
);
2927 DRV_LOG(DEBUG
, "port %u unknown operation %u",
2928 dev
->data
->port_id
, filter_op
);
2936 * Manage filter operations.
2939 * Pointer to Ethernet device structure.
2940 * @param filter_type
2943 * Operation to perform.
2945 * Pointer to operation-specific structure.
2948 * 0 on success, a negative errno value otherwise and rte_errno is set.
2951 mlx5_dev_filter_ctrl(struct rte_eth_dev
*dev
,
2952 enum rte_filter_type filter_type
,
2953 enum rte_filter_op filter_op
,
2956 switch (filter_type
) {
2957 case RTE_ETH_FILTER_GENERIC
:
2958 if (filter_op
!= RTE_ETH_FILTER_GET
) {
2962 *(const void **)arg
= &mlx5_flow_ops
;
2964 case RTE_ETH_FILTER_FDIR
:
2965 return flow_fdir_ctrl_func(dev
, filter_op
, arg
);
2967 DRV_LOG(ERR
, "port %u filter type (%d) not supported",
2968 dev
->data
->port_id
, filter_type
);
2969 rte_errno
= ENOTSUP
;