1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2 /* Copyright 2013-2016 Freescale Semiconductor Inc.
3 * Copyright 2016 NXP
4 */
5 #include <linux/kernel.h>
6 #include <linux/errno.h>
7 #include <linux/fsl/mc.h>
8 #include "dpni.h"
9 #include "dpni-cmd.h"
10
11 /**
12 * dpni_prepare_key_cfg() - function prepare extract parameters
13 * @cfg: defining a full Key Generation profile (rule)
14 * @key_cfg_buf: Zeroed 256 bytes of memory before mapping it to DMA
15 *
16 * This function has to be called before the following functions:
17 * - dpni_set_rx_tc_dist()
18 * - dpni_set_qos_table()
19 */
20 int dpni_prepare_key_cfg(const struct dpkg_profile_cfg *cfg, u8 *key_cfg_buf)
21 {
22 int i, j;
23 struct dpni_ext_set_rx_tc_dist *dpni_ext;
24 struct dpni_dist_extract *extr;
25
26 if (cfg->num_extracts > DPKG_MAX_NUM_OF_EXTRACTS)
27 return -EINVAL;
28
29 dpni_ext = (struct dpni_ext_set_rx_tc_dist *)key_cfg_buf;
30 dpni_ext->num_extracts = cfg->num_extracts;
31
32 for (i = 0; i < cfg->num_extracts; i++) {
33 extr = &dpni_ext->extracts[i];
34
35 switch (cfg->extracts[i].type) {
36 case DPKG_EXTRACT_FROM_HDR:
37 extr->prot = cfg->extracts[i].extract.from_hdr.prot;
38 dpni_set_field(extr->efh_type, EFH_TYPE,
39 cfg->extracts[i].extract.from_hdr.type);
40 extr->size = cfg->extracts[i].extract.from_hdr.size;
41 extr->offset = cfg->extracts[i].extract.from_hdr.offset;
42 extr->field = cpu_to_le32(
43 cfg->extracts[i].extract.from_hdr.field);
44 extr->hdr_index =
45 cfg->extracts[i].extract.from_hdr.hdr_index;
46 break;
47 case DPKG_EXTRACT_FROM_DATA:
48 extr->size = cfg->extracts[i].extract.from_data.size;
49 extr->offset =
50 cfg->extracts[i].extract.from_data.offset;
51 break;
52 case DPKG_EXTRACT_FROM_PARSE:
53 extr->size = cfg->extracts[i].extract.from_parse.size;
54 extr->offset =
55 cfg->extracts[i].extract.from_parse.offset;
56 break;
57 default:
58 return -EINVAL;
59 }
60
61 extr->num_of_byte_masks = cfg->extracts[i].num_of_byte_masks;
62 dpni_set_field(extr->extract_type, EXTRACT_TYPE,
63 cfg->extracts[i].type);
64
65 for (j = 0; j < DPKG_NUM_OF_MASKS; j++) {
66 extr->masks[j].mask = cfg->extracts[i].masks[j].mask;
67 extr->masks[j].offset =
68 cfg->extracts[i].masks[j].offset;
69 }
70 }
71
72 return 0;
73 }
74
75 /**
76 * dpni_open() - Open a control session for the specified object
77 * @mc_io: Pointer to MC portal's I/O object
78 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
79 * @dpni_id: DPNI unique ID
80 * @token: Returned token; use in subsequent API calls
81 *
82 * This function can be used to open a control session for an
83 * already created object; an object may have been declared in
84 * the DPL or by calling the dpni_create() function.
85 * This function returns a unique authentication token,
86 * associated with the specific object ID and the specific MC
87 * portal; this token must be used in all subsequent commands for
88 * this specific object.
89 *
90 * Return: '0' on Success; Error code otherwise.
91 */
92 int dpni_open(struct fsl_mc_io *mc_io,
93 u32 cmd_flags,
94 int dpni_id,
95 u16 *token)
96 {
97 struct fsl_mc_command cmd = { 0 };
98 struct dpni_cmd_open *cmd_params;
99
100 int err;
101
102 /* prepare command */
103 cmd.header = mc_encode_cmd_header(DPNI_CMDID_OPEN,
104 cmd_flags,
105 0);
106 cmd_params = (struct dpni_cmd_open *)cmd.params;
107 cmd_params->dpni_id = cpu_to_le32(dpni_id);
108
109 /* send command to mc*/
110 err = mc_send_command(mc_io, &cmd);
111 if (err)
112 return err;
113
114 /* retrieve response parameters */
115 *token = mc_cmd_hdr_read_token(&cmd);
116
117 return 0;
118 }
119
120 /**
121 * dpni_close() - Close the control session of the object
122 * @mc_io: Pointer to MC portal's I/O object
123 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
124 * @token: Token of DPNI object
125 *
126 * After this function is called, no further operations are
127 * allowed on the object without opening a new control session.
128 *
129 * Return: '0' on Success; Error code otherwise.
130 */
131 int dpni_close(struct fsl_mc_io *mc_io,
132 u32 cmd_flags,
133 u16 token)
134 {
135 struct fsl_mc_command cmd = { 0 };
136
137 /* prepare command */
138 cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLOSE,
139 cmd_flags,
140 token);
141
142 /* send command to mc*/
143 return mc_send_command(mc_io, &cmd);
144 }
145
146 /**
147 * dpni_set_pools() - Set buffer pools configuration
148 * @mc_io: Pointer to MC portal's I/O object
149 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
150 * @token: Token of DPNI object
151 * @cfg: Buffer pools configuration
152 *
153 * mandatory for DPNI operation
154 * warning:Allowed only when DPNI is disabled
155 *
156 * Return: '0' on Success; Error code otherwise.
157 */
158 int dpni_set_pools(struct fsl_mc_io *mc_io,
159 u32 cmd_flags,
160 u16 token,
161 const struct dpni_pools_cfg *cfg)
162 {
163 struct fsl_mc_command cmd = { 0 };
164 struct dpni_cmd_set_pools *cmd_params;
165 int i;
166
167 /* prepare command */
168 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_POOLS,
169 cmd_flags,
170 token);
171 cmd_params = (struct dpni_cmd_set_pools *)cmd.params;
172 cmd_params->num_dpbp = cfg->num_dpbp;
173 for (i = 0; i < DPNI_MAX_DPBP; i++) {
174 cmd_params->dpbp_id[i] = cpu_to_le32(cfg->pools[i].dpbp_id);
175 cmd_params->buffer_size[i] =
176 cpu_to_le16(cfg->pools[i].buffer_size);
177 cmd_params->backup_pool_mask |=
178 DPNI_BACKUP_POOL(cfg->pools[i].backup_pool, i);
179 }
180
181 /* send command to mc*/
182 return mc_send_command(mc_io, &cmd);
183 }
184
185 /**
186 * dpni_enable() - Enable the DPNI, allow sending and receiving frames.
187 * @mc_io: Pointer to MC portal's I/O object
188 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
189 * @token: Token of DPNI object
190 *
191 * Return: '0' on Success; Error code otherwise.
192 */
193 int dpni_enable(struct fsl_mc_io *mc_io,
194 u32 cmd_flags,
195 u16 token)
196 {
197 struct fsl_mc_command cmd = { 0 };
198
199 /* prepare command */
200 cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE,
201 cmd_flags,
202 token);
203
204 /* send command to mc*/
205 return mc_send_command(mc_io, &cmd);
206 }
207
208 /**
209 * dpni_disable() - Disable the DPNI, stop sending and receiving frames.
210 * @mc_io: Pointer to MC portal's I/O object
211 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
212 * @token: Token of DPNI object
213 *
214 * Return: '0' on Success; Error code otherwise.
215 */
216 int dpni_disable(struct fsl_mc_io *mc_io,
217 u32 cmd_flags,
218 u16 token)
219 {
220 struct fsl_mc_command cmd = { 0 };
221
222 /* prepare command */
223 cmd.header = mc_encode_cmd_header(DPNI_CMDID_DISABLE,
224 cmd_flags,
225 token);
226
227 /* send command to mc*/
228 return mc_send_command(mc_io, &cmd);
229 }
230
231 /**
232 * dpni_is_enabled() - Check if the DPNI is enabled.
233 * @mc_io: Pointer to MC portal's I/O object
234 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
235 * @token: Token of DPNI object
236 * @en: Returns '1' if object is enabled; '0' otherwise
237 *
238 * Return: '0' on Success; Error code otherwise.
239 */
240 int dpni_is_enabled(struct fsl_mc_io *mc_io,
241 u32 cmd_flags,
242 u16 token,
243 int *en)
244 {
245 struct fsl_mc_command cmd = { 0 };
246 struct dpni_rsp_is_enabled *rsp_params;
247 int err;
248
249 /* prepare command */
250 cmd.header = mc_encode_cmd_header(DPNI_CMDID_IS_ENABLED,
251 cmd_flags,
252 token);
253
254 /* send command to mc*/
255 err = mc_send_command(mc_io, &cmd);
256 if (err)
257 return err;
258
259 /* retrieve response parameters */
260 rsp_params = (struct dpni_rsp_is_enabled *)cmd.params;
261 *en = dpni_get_field(rsp_params->enabled, ENABLE);
262
263 return 0;
264 }
265
266 /**
267 * dpni_reset() - Reset the DPNI, returns the object to initial state.
268 * @mc_io: Pointer to MC portal's I/O object
269 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
270 * @token: Token of DPNI object
271 *
272 * Return: '0' on Success; Error code otherwise.
273 */
274 int dpni_reset(struct fsl_mc_io *mc_io,
275 u32 cmd_flags,
276 u16 token)
277 {
278 struct fsl_mc_command cmd = { 0 };
279
280 /* prepare command */
281 cmd.header = mc_encode_cmd_header(DPNI_CMDID_RESET,
282 cmd_flags,
283 token);
284
285 /* send command to mc*/
286 return mc_send_command(mc_io, &cmd);
287 }
288
289 /**
290 * dpni_set_irq_enable() - Set overall interrupt state.
291 * @mc_io: Pointer to MC portal's I/O object
292 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
293 * @token: Token of DPNI object
294 * @irq_index: The interrupt index to configure
295 * @en: Interrupt state: - enable = 1, disable = 0
296 *
297 * Allows GPP software to control when interrupts are generated.
298 * Each interrupt can have up to 32 causes. The enable/disable control's the
299 * overall interrupt state. if the interrupt is disabled no causes will cause
300 * an interrupt.
301 *
302 * Return: '0' on Success; Error code otherwise.
303 */
304 int dpni_set_irq_enable(struct fsl_mc_io *mc_io,
305 u32 cmd_flags,
306 u16 token,
307 u8 irq_index,
308 u8 en)
309 {
310 struct fsl_mc_command cmd = { 0 };
311 struct dpni_cmd_set_irq_enable *cmd_params;
312
313 /* prepare command */
314 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_IRQ_ENABLE,
315 cmd_flags,
316 token);
317 cmd_params = (struct dpni_cmd_set_irq_enable *)cmd.params;
318 dpni_set_field(cmd_params->enable, ENABLE, en);
319 cmd_params->irq_index = irq_index;
320
321 /* send command to mc*/
322 return mc_send_command(mc_io, &cmd);
323 }
324
325 /**
326 * dpni_get_irq_enable() - Get overall interrupt state
327 * @mc_io: Pointer to MC portal's I/O object
328 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
329 * @token: Token of DPNI object
330 * @irq_index: The interrupt index to configure
331 * @en: Returned interrupt state - enable = 1, disable = 0
332 *
333 * Return: '0' on Success; Error code otherwise.
334 */
335 int dpni_get_irq_enable(struct fsl_mc_io *mc_io,
336 u32 cmd_flags,
337 u16 token,
338 u8 irq_index,
339 u8 *en)
340 {
341 struct fsl_mc_command cmd = { 0 };
342 struct dpni_cmd_get_irq_enable *cmd_params;
343 struct dpni_rsp_get_irq_enable *rsp_params;
344
345 int err;
346
347 /* prepare command */
348 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_ENABLE,
349 cmd_flags,
350 token);
351 cmd_params = (struct dpni_cmd_get_irq_enable *)cmd.params;
352 cmd_params->irq_index = irq_index;
353
354 /* send command to mc*/
355 err = mc_send_command(mc_io, &cmd);
356 if (err)
357 return err;
358
359 /* retrieve response parameters */
360 rsp_params = (struct dpni_rsp_get_irq_enable *)cmd.params;
361 *en = dpni_get_field(rsp_params->enabled, ENABLE);
362
363 return 0;
364 }
365
366 /**
367 * dpni_set_irq_mask() - Set interrupt mask.
368 * @mc_io: Pointer to MC portal's I/O object
369 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
370 * @token: Token of DPNI object
371 * @irq_index: The interrupt index to configure
372 * @mask: event mask to trigger interrupt;
373 * each bit:
374 * 0 = ignore event
375 * 1 = consider event for asserting IRQ
376 *
377 * Every interrupt can have up to 32 causes and the interrupt model supports
378 * masking/unmasking each cause independently
379 *
380 * Return: '0' on Success; Error code otherwise.
381 */
382 int dpni_set_irq_mask(struct fsl_mc_io *mc_io,
383 u32 cmd_flags,
384 u16 token,
385 u8 irq_index,
386 u32 mask)
387 {
388 struct fsl_mc_command cmd = { 0 };
389 struct dpni_cmd_set_irq_mask *cmd_params;
390
391 /* prepare command */
392 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_IRQ_MASK,
393 cmd_flags,
394 token);
395 cmd_params = (struct dpni_cmd_set_irq_mask *)cmd.params;
396 cmd_params->mask = cpu_to_le32(mask);
397 cmd_params->irq_index = irq_index;
398
399 /* send command to mc*/
400 return mc_send_command(mc_io, &cmd);
401 }
402
403 /**
404 * dpni_get_irq_mask() - Get interrupt mask.
405 * @mc_io: Pointer to MC portal's I/O object
406 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
407 * @token: Token of DPNI object
408 * @irq_index: The interrupt index to configure
409 * @mask: Returned event mask to trigger interrupt
410 *
411 * Every interrupt can have up to 32 causes and the interrupt model supports
412 * masking/unmasking each cause independently
413 *
414 * Return: '0' on Success; Error code otherwise.
415 */
416 int dpni_get_irq_mask(struct fsl_mc_io *mc_io,
417 u32 cmd_flags,
418 u16 token,
419 u8 irq_index,
420 u32 *mask)
421 {
422 struct fsl_mc_command cmd = { 0 };
423 struct dpni_cmd_get_irq_mask *cmd_params;
424 struct dpni_rsp_get_irq_mask *rsp_params;
425 int err;
426
427 /* prepare command */
428 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_MASK,
429 cmd_flags,
430 token);
431 cmd_params = (struct dpni_cmd_get_irq_mask *)cmd.params;
432 cmd_params->irq_index = irq_index;
433
434 /* send command to mc*/
435 err = mc_send_command(mc_io, &cmd);
436 if (err)
437 return err;
438
439 /* retrieve response parameters */
440 rsp_params = (struct dpni_rsp_get_irq_mask *)cmd.params;
441 *mask = le32_to_cpu(rsp_params->mask);
442
443 return 0;
444 }
445
446 /**
447 * dpni_get_irq_status() - Get the current status of any pending interrupts.
448 * @mc_io: Pointer to MC portal's I/O object
449 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
450 * @token: Token of DPNI object
451 * @irq_index: The interrupt index to configure
452 * @status: Returned interrupts status - one bit per cause:
453 * 0 = no interrupt pending
454 * 1 = interrupt pending
455 *
456 * Return: '0' on Success; Error code otherwise.
457 */
458 int dpni_get_irq_status(struct fsl_mc_io *mc_io,
459 u32 cmd_flags,
460 u16 token,
461 u8 irq_index,
462 u32 *status)
463 {
464 struct fsl_mc_command cmd = { 0 };
465 struct dpni_cmd_get_irq_status *cmd_params;
466 struct dpni_rsp_get_irq_status *rsp_params;
467 int err;
468
469 /* prepare command */
470 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_IRQ_STATUS,
471 cmd_flags,
472 token);
473 cmd_params = (struct dpni_cmd_get_irq_status *)cmd.params;
474 cmd_params->status = cpu_to_le32(*status);
475 cmd_params->irq_index = irq_index;
476
477 /* send command to mc*/
478 err = mc_send_command(mc_io, &cmd);
479 if (err)
480 return err;
481
482 /* retrieve response parameters */
483 rsp_params = (struct dpni_rsp_get_irq_status *)cmd.params;
484 *status = le32_to_cpu(rsp_params->status);
485
486 return 0;
487 }
488
489 /**
490 * dpni_clear_irq_status() - Clear a pending interrupt's status
491 * @mc_io: Pointer to MC portal's I/O object
492 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
493 * @token: Token of DPNI object
494 * @irq_index: The interrupt index to configure
495 * @status: bits to clear (W1C) - one bit per cause:
496 * 0 = don't change
497 * 1 = clear status bit
498 *
499 * Return: '0' on Success; Error code otherwise.
500 */
501 int dpni_clear_irq_status(struct fsl_mc_io *mc_io,
502 u32 cmd_flags,
503 u16 token,
504 u8 irq_index,
505 u32 status)
506 {
507 struct fsl_mc_command cmd = { 0 };
508 struct dpni_cmd_clear_irq_status *cmd_params;
509
510 /* prepare command */
511 cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLEAR_IRQ_STATUS,
512 cmd_flags,
513 token);
514 cmd_params = (struct dpni_cmd_clear_irq_status *)cmd.params;
515 cmd_params->irq_index = irq_index;
516 cmd_params->status = cpu_to_le32(status);
517
518 /* send command to mc*/
519 return mc_send_command(mc_io, &cmd);
520 }
521
522 /**
523 * dpni_get_attributes() - Retrieve DPNI attributes.
524 * @mc_io: Pointer to MC portal's I/O object
525 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
526 * @token: Token of DPNI object
527 * @attr: Object's attributes
528 *
529 * Return: '0' on Success; Error code otherwise.
530 */
531 int dpni_get_attributes(struct fsl_mc_io *mc_io,
532 u32 cmd_flags,
533 u16 token,
534 struct dpni_attr *attr)
535 {
536 struct fsl_mc_command cmd = { 0 };
537 struct dpni_rsp_get_attr *rsp_params;
538
539 int err;
540
541 /* prepare command */
542 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_ATTR,
543 cmd_flags,
544 token);
545
546 /* send command to mc*/
547 err = mc_send_command(mc_io, &cmd);
548 if (err)
549 return err;
550
551 /* retrieve response parameters */
552 rsp_params = (struct dpni_rsp_get_attr *)cmd.params;
553 attr->options = le32_to_cpu(rsp_params->options);
554 attr->num_queues = rsp_params->num_queues;
555 attr->num_tcs = rsp_params->num_tcs;
556 attr->mac_filter_entries = rsp_params->mac_filter_entries;
557 attr->vlan_filter_entries = rsp_params->vlan_filter_entries;
558 attr->qos_entries = rsp_params->qos_entries;
559 attr->fs_entries = le16_to_cpu(rsp_params->fs_entries);
560 attr->qos_key_size = rsp_params->qos_key_size;
561 attr->fs_key_size = rsp_params->fs_key_size;
562 attr->wriop_version = le16_to_cpu(rsp_params->wriop_version);
563
564 return 0;
565 }
566
567 /**
568 * dpni_set_errors_behavior() - Set errors behavior
569 * @mc_io: Pointer to MC portal's I/O object
570 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
571 * @token: Token of DPNI object
572 * @cfg: Errors configuration
573 *
574 * this function may be called numerous times with different
575 * error masks
576 *
577 * Return: '0' on Success; Error code otherwise.
578 */
579 int dpni_set_errors_behavior(struct fsl_mc_io *mc_io,
580 u32 cmd_flags,
581 u16 token,
582 struct dpni_error_cfg *cfg)
583 {
584 struct fsl_mc_command cmd = { 0 };
585 struct dpni_cmd_set_errors_behavior *cmd_params;
586
587 /* prepare command */
588 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_ERRORS_BEHAVIOR,
589 cmd_flags,
590 token);
591 cmd_params = (struct dpni_cmd_set_errors_behavior *)cmd.params;
592 cmd_params->errors = cpu_to_le32(cfg->errors);
593 dpni_set_field(cmd_params->flags, ERROR_ACTION, cfg->error_action);
594 dpni_set_field(cmd_params->flags, FRAME_ANN, cfg->set_frame_annotation);
595
596 /* send command to mc*/
597 return mc_send_command(mc_io, &cmd);
598 }
599
600 /**
601 * dpni_get_buffer_layout() - Retrieve buffer layout attributes.
602 * @mc_io: Pointer to MC portal's I/O object
603 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
604 * @token: Token of DPNI object
605 * @qtype: Type of queue to retrieve configuration for
606 * @layout: Returns buffer layout attributes
607 *
608 * Return: '0' on Success; Error code otherwise.
609 */
610 int dpni_get_buffer_layout(struct fsl_mc_io *mc_io,
611 u32 cmd_flags,
612 u16 token,
613 enum dpni_queue_type qtype,
614 struct dpni_buffer_layout *layout)
615 {
616 struct fsl_mc_command cmd = { 0 };
617 struct dpni_cmd_get_buffer_layout *cmd_params;
618 struct dpni_rsp_get_buffer_layout *rsp_params;
619 int err;
620
621 /* prepare command */
622 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_BUFFER_LAYOUT,
623 cmd_flags,
624 token);
625 cmd_params = (struct dpni_cmd_get_buffer_layout *)cmd.params;
626 cmd_params->qtype = qtype;
627
628 /* send command to mc*/
629 err = mc_send_command(mc_io, &cmd);
630 if (err)
631 return err;
632
633 /* retrieve response parameters */
634 rsp_params = (struct dpni_rsp_get_buffer_layout *)cmd.params;
635 layout->pass_timestamp = dpni_get_field(rsp_params->flags, PASS_TS);
636 layout->pass_parser_result = dpni_get_field(rsp_params->flags, PASS_PR);
637 layout->pass_frame_status = dpni_get_field(rsp_params->flags, PASS_FS);
638 layout->private_data_size = le16_to_cpu(rsp_params->private_data_size);
639 layout->data_align = le16_to_cpu(rsp_params->data_align);
640 layout->data_head_room = le16_to_cpu(rsp_params->head_room);
641 layout->data_tail_room = le16_to_cpu(rsp_params->tail_room);
642
643 return 0;
644 }
645
646 /**
647 * dpni_set_buffer_layout() - Set buffer layout configuration.
648 * @mc_io: Pointer to MC portal's I/O object
649 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
650 * @token: Token of DPNI object
651 * @qtype: Type of queue this configuration applies to
652 * @layout: Buffer layout configuration
653 *
654 * Return: '0' on Success; Error code otherwise.
655 *
656 * @warning Allowed only when DPNI is disabled
657 */
658 int dpni_set_buffer_layout(struct fsl_mc_io *mc_io,
659 u32 cmd_flags,
660 u16 token,
661 enum dpni_queue_type qtype,
662 const struct dpni_buffer_layout *layout)
663 {
664 struct fsl_mc_command cmd = { 0 };
665 struct dpni_cmd_set_buffer_layout *cmd_params;
666
667 /* prepare command */
668 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_BUFFER_LAYOUT,
669 cmd_flags,
670 token);
671 cmd_params = (struct dpni_cmd_set_buffer_layout *)cmd.params;
672 cmd_params->qtype = qtype;
673 cmd_params->options = cpu_to_le16(layout->options);
674 dpni_set_field(cmd_params->flags, PASS_TS, layout->pass_timestamp);
675 dpni_set_field(cmd_params->flags, PASS_PR, layout->pass_parser_result);
676 dpni_set_field(cmd_params->flags, PASS_FS, layout->pass_frame_status);
677 cmd_params->private_data_size = cpu_to_le16(layout->private_data_size);
678 cmd_params->data_align = cpu_to_le16(layout->data_align);
679 cmd_params->head_room = cpu_to_le16(layout->data_head_room);
680 cmd_params->tail_room = cpu_to_le16(layout->data_tail_room);
681
682 /* send command to mc*/
683 return mc_send_command(mc_io, &cmd);
684 }
685
686 /**
687 * dpni_set_offload() - Set DPNI offload configuration.
688 * @mc_io: Pointer to MC portal's I/O object
689 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
690 * @token: Token of DPNI object
691 * @type: Type of DPNI offload
692 * @config: Offload configuration.
693 * For checksum offloads, non-zero value enables the offload
694 *
695 * Return: '0' on Success; Error code otherwise.
696 *
697 * @warning Allowed only when DPNI is disabled
698 */
699
700 int dpni_set_offload(struct fsl_mc_io *mc_io,
701 u32 cmd_flags,
702 u16 token,
703 enum dpni_offload type,
704 u32 config)
705 {
706 struct fsl_mc_command cmd = { 0 };
707 struct dpni_cmd_set_offload *cmd_params;
708
709 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_OFFLOAD,
710 cmd_flags,
711 token);
712 cmd_params = (struct dpni_cmd_set_offload *)cmd.params;
713 cmd_params->dpni_offload = type;
714 cmd_params->config = cpu_to_le32(config);
715
716 return mc_send_command(mc_io, &cmd);
717 }
718
719 int dpni_get_offload(struct fsl_mc_io *mc_io,
720 u32 cmd_flags,
721 u16 token,
722 enum dpni_offload type,
723 u32 *config)
724 {
725 struct fsl_mc_command cmd = { 0 };
726 struct dpni_cmd_get_offload *cmd_params;
727 struct dpni_rsp_get_offload *rsp_params;
728 int err;
729
730 /* prepare command */
731 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_OFFLOAD,
732 cmd_flags,
733 token);
734 cmd_params = (struct dpni_cmd_get_offload *)cmd.params;
735 cmd_params->dpni_offload = type;
736
737 /* send command to mc*/
738 err = mc_send_command(mc_io, &cmd);
739 if (err)
740 return err;
741
742 /* retrieve response parameters */
743 rsp_params = (struct dpni_rsp_get_offload *)cmd.params;
744 *config = le32_to_cpu(rsp_params->config);
745
746 return 0;
747 }
748
749 /**
750 * dpni_get_qdid() - Get the Queuing Destination ID (QDID) that should be used
751 * for enqueue operations
752 * @mc_io: Pointer to MC portal's I/O object
753 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
754 * @token: Token of DPNI object
755 * @qtype: Type of queue to receive QDID for
756 * @qdid: Returned virtual QDID value that should be used as an argument
757 * in all enqueue operations
758 *
759 * Return: '0' on Success; Error code otherwise.
760 */
761 int dpni_get_qdid(struct fsl_mc_io *mc_io,
762 u32 cmd_flags,
763 u16 token,
764 enum dpni_queue_type qtype,
765 u16 *qdid)
766 {
767 struct fsl_mc_command cmd = { 0 };
768 struct dpni_cmd_get_qdid *cmd_params;
769 struct dpni_rsp_get_qdid *rsp_params;
770 int err;
771
772 /* prepare command */
773 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QDID,
774 cmd_flags,
775 token);
776 cmd_params = (struct dpni_cmd_get_qdid *)cmd.params;
777 cmd_params->qtype = qtype;
778
779 /* send command to mc*/
780 err = mc_send_command(mc_io, &cmd);
781 if (err)
782 return err;
783
784 /* retrieve response parameters */
785 rsp_params = (struct dpni_rsp_get_qdid *)cmd.params;
786 *qdid = le16_to_cpu(rsp_params->qdid);
787
788 return 0;
789 }
790
791 /**
792 * dpni_get_tx_data_offset() - Get the Tx data offset (from start of buffer)
793 * @mc_io: Pointer to MC portal's I/O object
794 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
795 * @token: Token of DPNI object
796 * @data_offset: Tx data offset (from start of buffer)
797 *
798 * Return: '0' on Success; Error code otherwise.
799 */
800 int dpni_get_tx_data_offset(struct fsl_mc_io *mc_io,
801 u32 cmd_flags,
802 u16 token,
803 u16 *data_offset)
804 {
805 struct fsl_mc_command cmd = { 0 };
806 struct dpni_rsp_get_tx_data_offset *rsp_params;
807 int err;
808
809 /* prepare command */
810 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TX_DATA_OFFSET,
811 cmd_flags,
812 token);
813
814 /* send command to mc*/
815 err = mc_send_command(mc_io, &cmd);
816 if (err)
817 return err;
818
819 /* retrieve response parameters */
820 rsp_params = (struct dpni_rsp_get_tx_data_offset *)cmd.params;
821 *data_offset = le16_to_cpu(rsp_params->data_offset);
822
823 return 0;
824 }
825
826 /**
827 * dpni_set_link_cfg() - set the link configuration.
828 * @mc_io: Pointer to MC portal's I/O object
829 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
830 * @token: Token of DPNI object
831 * @cfg: Link configuration
832 *
833 * Return: '0' on Success; Error code otherwise.
834 */
835 int dpni_set_link_cfg(struct fsl_mc_io *mc_io,
836 u32 cmd_flags,
837 u16 token,
838 const struct dpni_link_cfg *cfg)
839 {
840 struct fsl_mc_command cmd = { 0 };
841 struct dpni_cmd_link_cfg *cmd_params;
842
843 /* prepare command */
844 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_LINK_CFG,
845 cmd_flags,
846 token);
847 cmd_params = (struct dpni_cmd_link_cfg *)cmd.params;
848 cmd_params->rate = cpu_to_le32(cfg->rate);
849 cmd_params->options = cpu_to_le64(cfg->options);
850
851 /* send command to mc*/
852 return mc_send_command(mc_io, &cmd);
853 }
854
855 /**
856 * dpni_get_link_cfg() - return the link configuration
857 * @mc_io: Pointer to MC portal's I/O object
858 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
859 * @token: Token of DPNI object
860 * @cfg: Link configuration from dpni object
861 *
862 * Return: '0' on Success; Error code otherwise.
863 */
864 int dpni_get_link_cfg(struct fsl_mc_io *mc_io,
865 u32 cmd_flags,
866 u16 token,
867 struct dpni_link_cfg *cfg)
868 {
869 struct fsl_mc_command cmd = { 0 };
870 struct dpni_cmd_link_cfg *rsp_params;
871 int err;
872
873 /* prepare command */
874 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_CFG,
875 cmd_flags,
876 token);
877
878 /* send command to mc*/
879 err = mc_send_command(mc_io, &cmd);
880 if (err)
881 return err;
882
883 /* retrieve response parameters */
884 rsp_params = (struct dpni_cmd_link_cfg *)cmd.params;
885 cfg->rate = le32_to_cpu(rsp_params->rate);
886 cfg->options = le64_to_cpu(rsp_params->options);
887
888 return err;
889 }
890
891 /**
892 * dpni_get_link_state() - Return the link state (either up or down)
893 * @mc_io: Pointer to MC portal's I/O object
894 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
895 * @token: Token of DPNI object
896 * @state: Returned link state;
897 *
898 * Return: '0' on Success; Error code otherwise.
899 */
900 int dpni_get_link_state(struct fsl_mc_io *mc_io,
901 u32 cmd_flags,
902 u16 token,
903 struct dpni_link_state *state)
904 {
905 struct fsl_mc_command cmd = { 0 };
906 struct dpni_rsp_get_link_state *rsp_params;
907 int err;
908
909 /* prepare command */
910 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_STATE,
911 cmd_flags,
912 token);
913
914 /* send command to mc*/
915 err = mc_send_command(mc_io, &cmd);
916 if (err)
917 return err;
918
919 /* retrieve response parameters */
920 rsp_params = (struct dpni_rsp_get_link_state *)cmd.params;
921 state->up = dpni_get_field(rsp_params->flags, LINK_STATE);
922 state->rate = le32_to_cpu(rsp_params->rate);
923 state->options = le64_to_cpu(rsp_params->options);
924
925 return 0;
926 }
927
928 /**
929 * dpni_set_max_frame_length() - Set the maximum received frame length.
930 * @mc_io: Pointer to MC portal's I/O object
931 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
932 * @token: Token of DPNI object
933 * @max_frame_length: Maximum received frame length (in
934 * bytes); frame is discarded if its
935 * length exceeds this value
936 *
937 * Return: '0' on Success; Error code otherwise.
938 */
939 int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
940 u32 cmd_flags,
941 u16 token,
942 u16 max_frame_length)
943 {
944 struct fsl_mc_command cmd = { 0 };
945 struct dpni_cmd_set_max_frame_length *cmd_params;
946
947 /* prepare command */
948 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MAX_FRAME_LENGTH,
949 cmd_flags,
950 token);
951 cmd_params = (struct dpni_cmd_set_max_frame_length *)cmd.params;
952 cmd_params->max_frame_length = cpu_to_le16(max_frame_length);
953
954 /* send command to mc*/
955 return mc_send_command(mc_io, &cmd);
956 }
957
958 /**
959 * dpni_get_max_frame_length() - Get the maximum received frame length.
960 * @mc_io: Pointer to MC portal's I/O object
961 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
962 * @token: Token of DPNI object
963 * @max_frame_length: Maximum received frame length (in
964 * bytes); frame is discarded if its
965 * length exceeds this value
966 *
967 * Return: '0' on Success; Error code otherwise.
968 */
969 int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
970 u32 cmd_flags,
971 u16 token,
972 u16 *max_frame_length)
973 {
974 struct fsl_mc_command cmd = { 0 };
975 struct dpni_rsp_get_max_frame_length *rsp_params;
976 int err;
977
978 /* prepare command */
979 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MAX_FRAME_LENGTH,
980 cmd_flags,
981 token);
982
983 /* send command to mc*/
984 err = mc_send_command(mc_io, &cmd);
985 if (err)
986 return err;
987
988 /* retrieve response parameters */
989 rsp_params = (struct dpni_rsp_get_max_frame_length *)cmd.params;
990 *max_frame_length = le16_to_cpu(rsp_params->max_frame_length);
991
992 return 0;
993 }
994
995 /**
996 * dpni_set_multicast_promisc() - Enable/disable multicast promiscuous mode
997 * @mc_io: Pointer to MC portal's I/O object
998 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
999 * @token: Token of DPNI object
1000 * @en: Set to '1' to enable; '0' to disable
1001 *
1002 * Return: '0' on Success; Error code otherwise.
1003 */
1004 int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
1005 u32 cmd_flags,
1006 u16 token,
1007 int en)
1008 {
1009 struct fsl_mc_command cmd = { 0 };
1010 struct dpni_cmd_set_multicast_promisc *cmd_params;
1011
1012 /* prepare command */
1013 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MCAST_PROMISC,
1014 cmd_flags,
1015 token);
1016 cmd_params = (struct dpni_cmd_set_multicast_promisc *)cmd.params;
1017 dpni_set_field(cmd_params->enable, ENABLE, en);
1018
1019 /* send command to mc*/
1020 return mc_send_command(mc_io, &cmd);
1021 }
1022
1023 /**
1024 * dpni_get_multicast_promisc() - Get multicast promiscuous mode
1025 * @mc_io: Pointer to MC portal's I/O object
1026 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1027 * @token: Token of DPNI object
1028 * @en: Returns '1' if enabled; '0' otherwise
1029 *
1030 * Return: '0' on Success; Error code otherwise.
1031 */
1032 int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
1033 u32 cmd_flags,
1034 u16 token,
1035 int *en)
1036 {
1037 struct fsl_mc_command cmd = { 0 };
1038 struct dpni_rsp_get_multicast_promisc *rsp_params;
1039 int err;
1040
1041 /* prepare command */
1042 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MCAST_PROMISC,
1043 cmd_flags,
1044 token);
1045
1046 /* send command to mc*/
1047 err = mc_send_command(mc_io, &cmd);
1048 if (err)
1049 return err;
1050
1051 /* retrieve response parameters */
1052 rsp_params = (struct dpni_rsp_get_multicast_promisc *)cmd.params;
1053 *en = dpni_get_field(rsp_params->enabled, ENABLE);
1054
1055 return 0;
1056 }
1057
1058 /**
1059 * dpni_set_unicast_promisc() - Enable/disable unicast promiscuous mode
1060 * @mc_io: Pointer to MC portal's I/O object
1061 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1062 * @token: Token of DPNI object
1063 * @en: Set to '1' to enable; '0' to disable
1064 *
1065 * Return: '0' on Success; Error code otherwise.
1066 */
1067 int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
1068 u32 cmd_flags,
1069 u16 token,
1070 int en)
1071 {
1072 struct fsl_mc_command cmd = { 0 };
1073 struct dpni_cmd_set_unicast_promisc *cmd_params;
1074
1075 /* prepare command */
1076 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_UNICAST_PROMISC,
1077 cmd_flags,
1078 token);
1079 cmd_params = (struct dpni_cmd_set_unicast_promisc *)cmd.params;
1080 dpni_set_field(cmd_params->enable, ENABLE, en);
1081
1082 /* send command to mc*/
1083 return mc_send_command(mc_io, &cmd);
1084 }
1085
1086 /**
1087 * dpni_get_unicast_promisc() - Get unicast promiscuous mode
1088 * @mc_io: Pointer to MC portal's I/O object
1089 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1090 * @token: Token of DPNI object
1091 * @en: Returns '1' if enabled; '0' otherwise
1092 *
1093 * Return: '0' on Success; Error code otherwise.
1094 */
1095 int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
1096 u32 cmd_flags,
1097 u16 token,
1098 int *en)
1099 {
1100 struct fsl_mc_command cmd = { 0 };
1101 struct dpni_rsp_get_unicast_promisc *rsp_params;
1102 int err;
1103
1104 /* prepare command */
1105 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_UNICAST_PROMISC,
1106 cmd_flags,
1107 token);
1108
1109 /* send command to mc*/
1110 err = mc_send_command(mc_io, &cmd);
1111 if (err)
1112 return err;
1113
1114 /* retrieve response parameters */
1115 rsp_params = (struct dpni_rsp_get_unicast_promisc *)cmd.params;
1116 *en = dpni_get_field(rsp_params->enabled, ENABLE);
1117
1118 return 0;
1119 }
1120
1121 /**
1122 * dpni_set_primary_mac_addr() - Set the primary MAC address
1123 * @mc_io: Pointer to MC portal's I/O object
1124 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1125 * @token: Token of DPNI object
1126 * @mac_addr: MAC address to set as primary address
1127 *
1128 * Return: '0' on Success; Error code otherwise.
1129 */
1130 int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
1131 u32 cmd_flags,
1132 u16 token,
1133 const u8 mac_addr[6])
1134 {
1135 struct fsl_mc_command cmd = { 0 };
1136 struct dpni_cmd_set_primary_mac_addr *cmd_params;
1137 int i;
1138
1139 /* prepare command */
1140 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_PRIM_MAC,
1141 cmd_flags,
1142 token);
1143 cmd_params = (struct dpni_cmd_set_primary_mac_addr *)cmd.params;
1144 for (i = 0; i < 6; i++)
1145 cmd_params->mac_addr[i] = mac_addr[5 - i];
1146
1147 /* send command to mc*/
1148 return mc_send_command(mc_io, &cmd);
1149 }
1150
1151 /**
1152 * dpni_get_primary_mac_addr() - Get the primary MAC address
1153 * @mc_io: Pointer to MC portal's I/O object
1154 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1155 * @token: Token of DPNI object
1156 * @mac_addr: Returned MAC address
1157 *
1158 * Return: '0' on Success; Error code otherwise.
1159 */
1160 int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
1161 u32 cmd_flags,
1162 u16 token,
1163 u8 mac_addr[6])
1164 {
1165 struct fsl_mc_command cmd = { 0 };
1166 struct dpni_rsp_get_primary_mac_addr *rsp_params;
1167 int i, err;
1168
1169 /* prepare command */
1170 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PRIM_MAC,
1171 cmd_flags,
1172 token);
1173
1174 /* send command to mc*/
1175 err = mc_send_command(mc_io, &cmd);
1176 if (err)
1177 return err;
1178
1179 /* retrieve response parameters */
1180 rsp_params = (struct dpni_rsp_get_primary_mac_addr *)cmd.params;
1181 for (i = 0; i < 6; i++)
1182 mac_addr[5 - i] = rsp_params->mac_addr[i];
1183
1184 return 0;
1185 }
1186
1187 /**
1188 * dpni_get_port_mac_addr() - Retrieve MAC address associated to the physical
1189 * port the DPNI is attached to
1190 * @mc_io: Pointer to MC portal's I/O object
1191 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1192 * @token: Token of DPNI object
1193 * @mac_addr: MAC address of the physical port, if any, otherwise 0
1194 *
1195 * The primary MAC address is not cleared by this operation.
1196 *
1197 * Return: '0' on Success; Error code otherwise.
1198 */
1199 int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io,
1200 u32 cmd_flags,
1201 u16 token,
1202 u8 mac_addr[6])
1203 {
1204 struct fsl_mc_command cmd = { 0 };
1205 struct dpni_rsp_get_port_mac_addr *rsp_params;
1206 int i, err;
1207
1208 /* prepare command */
1209 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PORT_MAC_ADDR,
1210 cmd_flags,
1211 token);
1212
1213 /* send command to mc*/
1214 err = mc_send_command(mc_io, &cmd);
1215 if (err)
1216 return err;
1217
1218 /* retrieve response parameters */
1219 rsp_params = (struct dpni_rsp_get_port_mac_addr *)cmd.params;
1220 for (i = 0; i < 6; i++)
1221 mac_addr[5 - i] = rsp_params->mac_addr[i];
1222
1223 return 0;
1224 }
1225
1226 /**
1227 * dpni_add_mac_addr() - Add MAC address filter
1228 * @mc_io: Pointer to MC portal's I/O object
1229 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1230 * @token: Token of DPNI object
1231 * @mac_addr: MAC address to add
1232 *
1233 * Return: '0' on Success; Error code otherwise.
1234 */
1235 int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
1236 u32 cmd_flags,
1237 u16 token,
1238 const u8 mac_addr[6])
1239 {
1240 struct fsl_mc_command cmd = { 0 };
1241 struct dpni_cmd_add_mac_addr *cmd_params;
1242 int i;
1243
1244 /* prepare command */
1245 cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_MAC_ADDR,
1246 cmd_flags,
1247 token);
1248 cmd_params = (struct dpni_cmd_add_mac_addr *)cmd.params;
1249 for (i = 0; i < 6; i++)
1250 cmd_params->mac_addr[i] = mac_addr[5 - i];
1251
1252 /* send command to mc*/
1253 return mc_send_command(mc_io, &cmd);
1254 }
1255
1256 /**
1257 * dpni_remove_mac_addr() - Remove MAC address filter
1258 * @mc_io: Pointer to MC portal's I/O object
1259 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1260 * @token: Token of DPNI object
1261 * @mac_addr: MAC address to remove
1262 *
1263 * Return: '0' on Success; Error code otherwise.
1264 */
1265 int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
1266 u32 cmd_flags,
1267 u16 token,
1268 const u8 mac_addr[6])
1269 {
1270 struct fsl_mc_command cmd = { 0 };
1271 struct dpni_cmd_remove_mac_addr *cmd_params;
1272 int i;
1273
1274 /* prepare command */
1275 cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_MAC_ADDR,
1276 cmd_flags,
1277 token);
1278 cmd_params = (struct dpni_cmd_remove_mac_addr *)cmd.params;
1279 for (i = 0; i < 6; i++)
1280 cmd_params->mac_addr[i] = mac_addr[5 - i];
1281
1282 /* send command to mc*/
1283 return mc_send_command(mc_io, &cmd);
1284 }
1285
1286 /**
1287 * dpni_clear_mac_filters() - Clear all unicast and/or multicast MAC filters
1288 * @mc_io: Pointer to MC portal's I/O object
1289 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1290 * @token: Token of DPNI object
1291 * @unicast: Set to '1' to clear unicast addresses
1292 * @multicast: Set to '1' to clear multicast addresses
1293 *
1294 * The primary MAC address is not cleared by this operation.
1295 *
1296 * Return: '0' on Success; Error code otherwise.
1297 */
1298 int dpni_clear_mac_filters(struct fsl_mc_io *mc_io,
1299 u32 cmd_flags,
1300 u16 token,
1301 int unicast,
1302 int multicast)
1303 {
1304 struct fsl_mc_command cmd = { 0 };
1305 struct dpni_cmd_clear_mac_filters *cmd_params;
1306
1307 /* prepare command */
1308 cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_MAC_FILTERS,
1309 cmd_flags,
1310 token);
1311 cmd_params = (struct dpni_cmd_clear_mac_filters *)cmd.params;
1312 dpni_set_field(cmd_params->flags, UNICAST_FILTERS, unicast);
1313 dpni_set_field(cmd_params->flags, MULTICAST_FILTERS, multicast);
1314
1315 /* send command to mc*/
1316 return mc_send_command(mc_io, &cmd);
1317 }
1318
1319 /**
1320 * dpni_set_rx_tc_dist() - Set Rx traffic class distribution configuration
1321 * @mc_io: Pointer to MC portal's I/O object
1322 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1323 * @token: Token of DPNI object
1324 * @tc_id: Traffic class selection (0-7)
1325 * @cfg: Traffic class distribution configuration
1326 *
1327 * warning: if 'dist_mode != DPNI_DIST_MODE_NONE', call dpni_prepare_key_cfg()
1328 * first to prepare the key_cfg_iova parameter
1329 *
1330 * Return: '0' on Success; error code otherwise.
1331 */
1332 int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io,
1333 u32 cmd_flags,
1334 u16 token,
1335 u8 tc_id,
1336 const struct dpni_rx_tc_dist_cfg *cfg)
1337 {
1338 struct fsl_mc_command cmd = { 0 };
1339 struct dpni_cmd_set_rx_tc_dist *cmd_params;
1340
1341 /* prepare command */
1342 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_TC_DIST,
1343 cmd_flags,
1344 token);
1345 cmd_params = (struct dpni_cmd_set_rx_tc_dist *)cmd.params;
1346 cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
1347 cmd_params->tc_id = tc_id;
1348 dpni_set_field(cmd_params->flags, DIST_MODE, cfg->dist_mode);
1349 dpni_set_field(cmd_params->flags, MISS_ACTION, cfg->fs_cfg.miss_action);
1350 cmd_params->default_flow_id = cpu_to_le16(cfg->fs_cfg.default_flow_id);
1351 cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
1352
1353 /* send command to mc*/
1354 return mc_send_command(mc_io, &cmd);
1355 }
1356
1357 /**
1358 * dpni_set_queue() - Set queue parameters
1359 * @mc_io: Pointer to MC portal's I/O object
1360 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1361 * @token: Token of DPNI object
1362 * @qtype: Type of queue - all queue types are supported, although
1363 * the command is ignored for Tx
1364 * @tc: Traffic class, in range 0 to NUM_TCS - 1
1365 * @index: Selects the specific queue out of the set allocated for the
1366 * same TC. Value must be in range 0 to NUM_QUEUES - 1
1367 * @options: A combination of DPNI_QUEUE_OPT_ values that control what
1368 * configuration options are set on the queue
1369 * @queue: Queue structure
1370 *
1371 * Return: '0' on Success; Error code otherwise.
1372 */
1373 int dpni_set_queue(struct fsl_mc_io *mc_io,
1374 u32 cmd_flags,
1375 u16 token,
1376 enum dpni_queue_type qtype,
1377 u8 tc,
1378 u8 index,
1379 u8 options,
1380 const struct dpni_queue *queue)
1381 {
1382 struct fsl_mc_command cmd = { 0 };
1383 struct dpni_cmd_set_queue *cmd_params;
1384
1385 /* prepare command */
1386 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QUEUE,
1387 cmd_flags,
1388 token);
1389 cmd_params = (struct dpni_cmd_set_queue *)cmd.params;
1390 cmd_params->qtype = qtype;
1391 cmd_params->tc = tc;
1392 cmd_params->index = index;
1393 cmd_params->options = options;
1394 cmd_params->dest_id = cpu_to_le32(queue->destination.id);
1395 cmd_params->dest_prio = queue->destination.priority;
1396 dpni_set_field(cmd_params->flags, DEST_TYPE, queue->destination.type);
1397 dpni_set_field(cmd_params->flags, STASH_CTRL, queue->flc.stash_control);
1398 dpni_set_field(cmd_params->flags, HOLD_ACTIVE,
1399 queue->destination.hold_active);
1400 cmd_params->flc = cpu_to_le64(queue->flc.value);
1401 cmd_params->user_context = cpu_to_le64(queue->user_context);
1402
1403 /* send command to mc */
1404 return mc_send_command(mc_io, &cmd);
1405 }
1406
1407 /**
1408 * dpni_get_queue() - Get queue parameters
1409 * @mc_io: Pointer to MC portal's I/O object
1410 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1411 * @token: Token of DPNI object
1412 * @qtype: Type of queue - all queue types are supported
1413 * @tc: Traffic class, in range 0 to NUM_TCS - 1
1414 * @index: Selects the specific queue out of the set allocated for the
1415 * same TC. Value must be in range 0 to NUM_QUEUES - 1
1416 * @queue: Queue configuration structure
1417 * @qid: Queue identification
1418 *
1419 * Return: '0' on Success; Error code otherwise.
1420 */
1421 int dpni_get_queue(struct fsl_mc_io *mc_io,
1422 u32 cmd_flags,
1423 u16 token,
1424 enum dpni_queue_type qtype,
1425 u8 tc,
1426 u8 index,
1427 struct dpni_queue *queue,
1428 struct dpni_queue_id *qid)
1429 {
1430 struct fsl_mc_command cmd = { 0 };
1431 struct dpni_cmd_get_queue *cmd_params;
1432 struct dpni_rsp_get_queue *rsp_params;
1433 int err;
1434
1435 /* prepare command */
1436 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QUEUE,
1437 cmd_flags,
1438 token);
1439 cmd_params = (struct dpni_cmd_get_queue *)cmd.params;
1440 cmd_params->qtype = qtype;
1441 cmd_params->tc = tc;
1442 cmd_params->index = index;
1443
1444 /* send command to mc */
1445 err = mc_send_command(mc_io, &cmd);
1446 if (err)
1447 return err;
1448
1449 /* retrieve response parameters */
1450 rsp_params = (struct dpni_rsp_get_queue *)cmd.params;
1451 queue->destination.id = le32_to_cpu(rsp_params->dest_id);
1452 queue->destination.priority = rsp_params->dest_prio;
1453 queue->destination.type = dpni_get_field(rsp_params->flags,
1454 DEST_TYPE);
1455 queue->flc.stash_control = dpni_get_field(rsp_params->flags,
1456 STASH_CTRL);
1457 queue->destination.hold_active = dpni_get_field(rsp_params->flags,
1458 HOLD_ACTIVE);
1459 queue->flc.value = le64_to_cpu(rsp_params->flc);
1460 queue->user_context = le64_to_cpu(rsp_params->user_context);
1461 qid->fqid = le32_to_cpu(rsp_params->fqid);
1462 qid->qdbin = le16_to_cpu(rsp_params->qdbin);
1463
1464 return 0;
1465 }
1466
1467 /**
1468 * dpni_get_statistics() - Get DPNI statistics
1469 * @mc_io: Pointer to MC portal's I/O object
1470 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1471 * @token: Token of DPNI object
1472 * @page: Selects the statistics page to retrieve, see
1473 * DPNI_GET_STATISTICS output. Pages are numbered 0 to 6.
1474 * @stat: Structure containing the statistics
1475 *
1476 * Return: '0' on Success; Error code otherwise.
1477 */
1478 int dpni_get_statistics(struct fsl_mc_io *mc_io,
1479 u32 cmd_flags,
1480 u16 token,
1481 u8 page,
1482 union dpni_statistics *stat)
1483 {
1484 struct fsl_mc_command cmd = { 0 };
1485 struct dpni_cmd_get_statistics *cmd_params;
1486 struct dpni_rsp_get_statistics *rsp_params;
1487 int i, err;
1488
1489 /* prepare command */
1490 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_STATISTICS,
1491 cmd_flags,
1492 token);
1493 cmd_params = (struct dpni_cmd_get_statistics *)cmd.params;
1494 cmd_params->page_number = page;
1495
1496 /* send command to mc */
1497 err = mc_send_command(mc_io, &cmd);
1498 if (err)
1499 return err;
1500
1501 /* retrieve response parameters */
1502 rsp_params = (struct dpni_rsp_get_statistics *)cmd.params;
1503 for (i = 0; i < DPNI_STATISTICS_CNT; i++)
1504 stat->raw.counter[i] = le64_to_cpu(rsp_params->counter[i]);
1505
1506 return 0;
1507 }
1508
1509 /**
1510 * dpni_set_taildrop() - Set taildrop per queue or TC
1511 * @mc_io: Pointer to MC portal's I/O object
1512 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1513 * @token: Token of DPNI object
1514 * @cg_point: Congestion point
1515 * @q_type: Queue type on which the taildrop is configured.
1516 * Only Rx queues are supported for now
1517 * @tc: Traffic class to apply this taildrop to
1518 * @q_index: Index of the queue if the DPNI supports multiple queues for
1519 * traffic distribution. Ignored if CONGESTION_POINT is not 0.
1520 * @taildrop: Taildrop structure
1521 *
1522 * Return: '0' on Success; Error code otherwise.
1523 */
1524 int dpni_set_taildrop(struct fsl_mc_io *mc_io,
1525 u32 cmd_flags,
1526 u16 token,
1527 enum dpni_congestion_point cg_point,
1528 enum dpni_queue_type qtype,
1529 u8 tc,
1530 u8 index,
1531 struct dpni_taildrop *taildrop)
1532 {
1533 struct fsl_mc_command cmd = { 0 };
1534 struct dpni_cmd_set_taildrop *cmd_params;
1535
1536 /* prepare command */
1537 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TAILDROP,
1538 cmd_flags,
1539 token);
1540 cmd_params = (struct dpni_cmd_set_taildrop *)cmd.params;
1541 cmd_params->congestion_point = cg_point;
1542 cmd_params->qtype = qtype;
1543 cmd_params->tc = tc;
1544 cmd_params->index = index;
1545 dpni_set_field(cmd_params->enable, ENABLE, taildrop->enable);
1546 cmd_params->units = taildrop->units;
1547 cmd_params->threshold = cpu_to_le32(taildrop->threshold);
1548
1549 /* send command to mc */
1550 return mc_send_command(mc_io, &cmd);
1551 }
1552
1553 /**
1554 * dpni_get_taildrop() - Get taildrop information
1555 * @mc_io: Pointer to MC portal's I/O object
1556 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1557 * @token: Token of DPNI object
1558 * @cg_point: Congestion point
1559 * @q_type: Queue type on which the taildrop is configured.
1560 * Only Rx queues are supported for now
1561 * @tc: Traffic class to apply this taildrop to
1562 * @q_index: Index of the queue if the DPNI supports multiple queues for
1563 * traffic distribution. Ignored if CONGESTION_POINT is not 0.
1564 * @taildrop: Taildrop structure
1565 *
1566 * Return: '0' on Success; Error code otherwise.
1567 */
1568 int dpni_get_taildrop(struct fsl_mc_io *mc_io,
1569 u32 cmd_flags,
1570 u16 token,
1571 enum dpni_congestion_point cg_point,
1572 enum dpni_queue_type qtype,
1573 u8 tc,
1574 u8 index,
1575 struct dpni_taildrop *taildrop)
1576 {
1577 struct fsl_mc_command cmd = { 0 };
1578 struct dpni_cmd_get_taildrop *cmd_params;
1579 struct dpni_rsp_get_taildrop *rsp_params;
1580 int err;
1581
1582 /* prepare command */
1583 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TAILDROP,
1584 cmd_flags,
1585 token);
1586 cmd_params = (struct dpni_cmd_get_taildrop *)cmd.params;
1587 cmd_params->congestion_point = cg_point;
1588 cmd_params->qtype = qtype;
1589 cmd_params->tc = tc;
1590 cmd_params->index = index;
1591
1592 /* send command to mc */
1593 err = mc_send_command(mc_io, &cmd);
1594 if (err)
1595 return err;
1596
1597 /* retrieve response parameters */
1598 rsp_params = (struct dpni_rsp_get_taildrop *)cmd.params;
1599 taildrop->enable = dpni_get_field(rsp_params->enable, ENABLE);
1600 taildrop->units = rsp_params->units;
1601 taildrop->threshold = le32_to_cpu(rsp_params->threshold);
1602
1603 return 0;
1604 }
1605
1606 /**
1607 * dpni_get_api_version() - Get Data Path Network Interface API version
1608 * @mc_io: Pointer to MC portal's I/O object
1609 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1610 * @major_ver: Major version of data path network interface API
1611 * @minor_ver: Minor version of data path network interface API
1612 *
1613 * Return: '0' on Success; Error code otherwise.
1614 */
1615 int dpni_get_api_version(struct fsl_mc_io *mc_io,
1616 u32 cmd_flags,
1617 u16 *major_ver,
1618 u16 *minor_ver)
1619 {
1620 struct dpni_rsp_get_api_version *rsp_params;
1621 struct fsl_mc_command cmd = { 0 };
1622 int err;
1623
1624 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION,
1625 cmd_flags, 0);
1626
1627 err = mc_send_command(mc_io, &cmd);
1628 if (err)
1629 return err;
1630
1631 rsp_params = (struct dpni_rsp_get_api_version *)cmd.params;
1632 *major_ver = le16_to_cpu(rsp_params->major);
1633 *minor_ver = le16_to_cpu(rsp_params->minor);
1634
1635 return 0;
1636 }
1637
1638 /**
1639 * dpni_set_rx_fs_dist() - Set Rx flow steering distribution
1640 * @mc_io: Pointer to MC portal's I/O object
1641 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1642 * @token: Token of DPNI object
1643 * @cfg: Distribution configuration
1644 *
1645 * If the FS is already enabled with a previous call the classification
1646 * key will be changed but all the table rules are kept. If the
1647 * existing rules do not match the key the results will not be
1648 * predictable. It is the user responsibility to keep key integrity.
1649 * If cfg.enable is set to 1 the command will create a flow steering table
1650 * and will classify packets according to this table. The packets that
1651 * miss all the table rules will be classified according to settings
1652 * made in dpni_set_rx_hash_dist()
1653 * If cfg.enable is set to 0 the command will clear flow steering table.
1654 * The packets will be classified according to settings made in
1655 * dpni_set_rx_hash_dist()
1656 */
1657 int dpni_set_rx_fs_dist(struct fsl_mc_io *mc_io,
1658 u32 cmd_flags,
1659 u16 token,
1660 const struct dpni_rx_dist_cfg *cfg)
1661 {
1662 struct dpni_cmd_set_rx_fs_dist *cmd_params;
1663 struct fsl_mc_command cmd = { 0 };
1664
1665 /* prepare command */
1666 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_FS_DIST,
1667 cmd_flags,
1668 token);
1669 cmd_params = (struct dpni_cmd_set_rx_fs_dist *)cmd.params;
1670 cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
1671 dpni_set_field(cmd_params->enable, RX_FS_DIST_ENABLE, cfg->enable);
1672 cmd_params->tc = cfg->tc;
1673 cmd_params->miss_flow_id = cpu_to_le16(cfg->fs_miss_flow_id);
1674 cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
1675
1676 /* send command to mc*/
1677 return mc_send_command(mc_io, &cmd);
1678 }
1679
1680 /**
1681 * dpni_set_rx_hash_dist() - Set Rx hash distribution
1682 * @mc_io: Pointer to MC portal's I/O object
1683 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1684 * @token: Token of DPNI object
1685 * @cfg: Distribution configuration
1686 * If cfg.enable is set to 1 the packets will be classified using a hash
1687 * function based on the key received in cfg.key_cfg_iova parameter.
1688 * If cfg.enable is set to 0 the packets will be sent to the default queue
1689 */
1690 int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io,
1691 u32 cmd_flags,
1692 u16 token,
1693 const struct dpni_rx_dist_cfg *cfg)
1694 {
1695 struct dpni_cmd_set_rx_hash_dist *cmd_params;
1696 struct fsl_mc_command cmd = { 0 };
1697
1698 /* prepare command */
1699 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_HASH_DIST,
1700 cmd_flags,
1701 token);
1702 cmd_params = (struct dpni_cmd_set_rx_hash_dist *)cmd.params;
1703 cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
1704 dpni_set_field(cmd_params->enable, RX_HASH_DIST_ENABLE, cfg->enable);
1705 cmd_params->tc = cfg->tc;
1706 cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
1707
1708 /* send command to mc*/
1709 return mc_send_command(mc_io, &cmd);
1710 }
1711
1712 /**
1713 * dpni_add_fs_entry() - Add Flow Steering entry for a specific traffic class
1714 * (to select a flow ID)
1715 * @mc_io: Pointer to MC portal's I/O object
1716 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1717 * @token: Token of DPNI object
1718 * @tc_id: Traffic class selection (0-7)
1719 * @index: Location in the FS table where to insert the entry.
1720 * Only relevant if MASKING is enabled for FS
1721 * classification on this DPNI, it is ignored for exact match.
1722 * @cfg: Flow steering rule to add
1723 * @action: Action to be taken as result of a classification hit
1724 *
1725 * Return: '0' on Success; Error code otherwise.
1726 */
1727 int dpni_add_fs_entry(struct fsl_mc_io *mc_io,
1728 u32 cmd_flags,
1729 u16 token,
1730 u8 tc_id,
1731 u16 index,
1732 const struct dpni_rule_cfg *cfg,
1733 const struct dpni_fs_action_cfg *action)
1734 {
1735 struct dpni_cmd_add_fs_entry *cmd_params;
1736 struct fsl_mc_command cmd = { 0 };
1737
1738 /* prepare command */
1739 cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_FS_ENT,
1740 cmd_flags,
1741 token);
1742 cmd_params = (struct dpni_cmd_add_fs_entry *)cmd.params;
1743 cmd_params->tc_id = tc_id;
1744 cmd_params->key_size = cfg->key_size;
1745 cmd_params->index = cpu_to_le16(index);
1746 cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
1747 cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
1748 cmd_params->options = cpu_to_le16(action->options);
1749 cmd_params->flow_id = cpu_to_le16(action->flow_id);
1750 cmd_params->flc = cpu_to_le64(action->flc);
1751
1752 /* send command to mc*/
1753 return mc_send_command(mc_io, &cmd);
1754 }
1755
1756 /**
1757 * dpni_remove_fs_entry() - Remove Flow Steering entry from a specific
1758 * traffic class
1759 * @mc_io: Pointer to MC portal's I/O object
1760 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1761 * @token: Token of DPNI object
1762 * @tc_id: Traffic class selection (0-7)
1763 * @cfg: Flow steering rule to remove
1764 *
1765 * Return: '0' on Success; Error code otherwise.
1766 */
1767 int dpni_remove_fs_entry(struct fsl_mc_io *mc_io,
1768 u32 cmd_flags,
1769 u16 token,
1770 u8 tc_id,
1771 const struct dpni_rule_cfg *cfg)
1772 {
1773 struct dpni_cmd_remove_fs_entry *cmd_params;
1774 struct fsl_mc_command cmd = { 0 };
1775
1776 /* prepare command */
1777 cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_FS_ENT,
1778 cmd_flags,
1779 token);
1780 cmd_params = (struct dpni_cmd_remove_fs_entry *)cmd.params;
1781 cmd_params->tc_id = tc_id;
1782 cmd_params->key_size = cfg->key_size;
1783 cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
1784 cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
1785
1786 /* send command to mc*/
1787 return mc_send_command(mc_io, &cmd);
1788 }