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 */
dpni_prepare_key_cfg(const struct dpkg_profile_cfg * cfg,u8 * key_cfg_buf)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 */
dpni_open(struct fsl_mc_io * mc_io,u32 cmd_flags,int dpni_id,u16 * token)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 */
dpni_close(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token)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 */
dpni_set_pools(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,const struct dpni_pools_cfg * cfg)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 */
dpni_enable(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token)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 */
dpni_disable(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token)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 */
dpni_is_enabled(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,int * en)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 */
dpni_reset(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token)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 */
dpni_set_irq_enable(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 irq_index,u8 en)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 */
dpni_get_irq_enable(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 irq_index,u8 * en)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 */
dpni_set_irq_mask(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 irq_index,u32 mask)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 */
dpni_get_irq_mask(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 irq_index,u32 * mask)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 */
dpni_get_irq_status(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 irq_index,u32 * status)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 */
dpni_clear_irq_status(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 irq_index,u32 status)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 */
dpni_get_attributes(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,struct dpni_attr * attr)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 */
dpni_set_errors_behavior(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,struct dpni_error_cfg * cfg)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 */
dpni_get_buffer_layout(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_queue_type qtype,struct dpni_buffer_layout * layout)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 */
dpni_set_buffer_layout(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_queue_type qtype,const struct dpni_buffer_layout * layout)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
dpni_set_offload(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_offload type,u32 config)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
dpni_get_offload(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_offload type,u32 * config)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 */
dpni_get_qdid(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_queue_type qtype,u16 * qdid)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 */
dpni_get_tx_data_offset(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u16 * data_offset)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 */
dpni_set_link_cfg(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,const struct dpni_link_cfg * cfg)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_set_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_set_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_state() - Return the link state (either up or down)
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 * @state: Returned link state;
861 *
862 * Return: '0' on Success; Error code otherwise.
863 */
dpni_get_link_state(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,struct dpni_link_state * state)864 int dpni_get_link_state(struct fsl_mc_io *mc_io,
865 u32 cmd_flags,
866 u16 token,
867 struct dpni_link_state *state)
868 {
869 struct fsl_mc_command cmd = { 0 };
870 struct dpni_rsp_get_link_state *rsp_params;
871 int err;
872
873 /* prepare command */
874 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_LINK_STATE,
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_rsp_get_link_state *)cmd.params;
885 state->up = dpni_get_field(rsp_params->flags, LINK_STATE);
886 state->rate = le32_to_cpu(rsp_params->rate);
887 state->options = le64_to_cpu(rsp_params->options);
888
889 return 0;
890 }
891
892 /**
893 * dpni_set_max_frame_length() - Set the maximum received frame length.
894 * @mc_io: Pointer to MC portal's I/O object
895 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
896 * @token: Token of DPNI object
897 * @max_frame_length: Maximum received frame length (in
898 * bytes); frame is discarded if its
899 * length exceeds this value
900 *
901 * Return: '0' on Success; Error code otherwise.
902 */
dpni_set_max_frame_length(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u16 max_frame_length)903 int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
904 u32 cmd_flags,
905 u16 token,
906 u16 max_frame_length)
907 {
908 struct fsl_mc_command cmd = { 0 };
909 struct dpni_cmd_set_max_frame_length *cmd_params;
910
911 /* prepare command */
912 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MAX_FRAME_LENGTH,
913 cmd_flags,
914 token);
915 cmd_params = (struct dpni_cmd_set_max_frame_length *)cmd.params;
916 cmd_params->max_frame_length = cpu_to_le16(max_frame_length);
917
918 /* send command to mc*/
919 return mc_send_command(mc_io, &cmd);
920 }
921
922 /**
923 * dpni_get_max_frame_length() - Get the maximum received frame length.
924 * @mc_io: Pointer to MC portal's I/O object
925 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
926 * @token: Token of DPNI object
927 * @max_frame_length: Maximum received frame length (in
928 * bytes); frame is discarded if its
929 * length exceeds this value
930 *
931 * Return: '0' on Success; Error code otherwise.
932 */
dpni_get_max_frame_length(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u16 * max_frame_length)933 int dpni_get_max_frame_length(struct fsl_mc_io *mc_io,
934 u32 cmd_flags,
935 u16 token,
936 u16 *max_frame_length)
937 {
938 struct fsl_mc_command cmd = { 0 };
939 struct dpni_rsp_get_max_frame_length *rsp_params;
940 int err;
941
942 /* prepare command */
943 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MAX_FRAME_LENGTH,
944 cmd_flags,
945 token);
946
947 /* send command to mc*/
948 err = mc_send_command(mc_io, &cmd);
949 if (err)
950 return err;
951
952 /* retrieve response parameters */
953 rsp_params = (struct dpni_rsp_get_max_frame_length *)cmd.params;
954 *max_frame_length = le16_to_cpu(rsp_params->max_frame_length);
955
956 return 0;
957 }
958
959 /**
960 * dpni_set_multicast_promisc() - Enable/disable multicast promiscuous mode
961 * @mc_io: Pointer to MC portal's I/O object
962 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
963 * @token: Token of DPNI object
964 * @en: Set to '1' to enable; '0' to disable
965 *
966 * Return: '0' on Success; Error code otherwise.
967 */
dpni_set_multicast_promisc(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,int en)968 int dpni_set_multicast_promisc(struct fsl_mc_io *mc_io,
969 u32 cmd_flags,
970 u16 token,
971 int en)
972 {
973 struct fsl_mc_command cmd = { 0 };
974 struct dpni_cmd_set_multicast_promisc *cmd_params;
975
976 /* prepare command */
977 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_MCAST_PROMISC,
978 cmd_flags,
979 token);
980 cmd_params = (struct dpni_cmd_set_multicast_promisc *)cmd.params;
981 dpni_set_field(cmd_params->enable, ENABLE, en);
982
983 /* send command to mc*/
984 return mc_send_command(mc_io, &cmd);
985 }
986
987 /**
988 * dpni_get_multicast_promisc() - Get multicast promiscuous mode
989 * @mc_io: Pointer to MC portal's I/O object
990 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
991 * @token: Token of DPNI object
992 * @en: Returns '1' if enabled; '0' otherwise
993 *
994 * Return: '0' on Success; Error code otherwise.
995 */
dpni_get_multicast_promisc(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,int * en)996 int dpni_get_multicast_promisc(struct fsl_mc_io *mc_io,
997 u32 cmd_flags,
998 u16 token,
999 int *en)
1000 {
1001 struct fsl_mc_command cmd = { 0 };
1002 struct dpni_rsp_get_multicast_promisc *rsp_params;
1003 int err;
1004
1005 /* prepare command */
1006 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_MCAST_PROMISC,
1007 cmd_flags,
1008 token);
1009
1010 /* send command to mc*/
1011 err = mc_send_command(mc_io, &cmd);
1012 if (err)
1013 return err;
1014
1015 /* retrieve response parameters */
1016 rsp_params = (struct dpni_rsp_get_multicast_promisc *)cmd.params;
1017 *en = dpni_get_field(rsp_params->enabled, ENABLE);
1018
1019 return 0;
1020 }
1021
1022 /**
1023 * dpni_set_unicast_promisc() - Enable/disable unicast promiscuous mode
1024 * @mc_io: Pointer to MC portal's I/O object
1025 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1026 * @token: Token of DPNI object
1027 * @en: Set to '1' to enable; '0' to disable
1028 *
1029 * Return: '0' on Success; Error code otherwise.
1030 */
dpni_set_unicast_promisc(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,int en)1031 int dpni_set_unicast_promisc(struct fsl_mc_io *mc_io,
1032 u32 cmd_flags,
1033 u16 token,
1034 int en)
1035 {
1036 struct fsl_mc_command cmd = { 0 };
1037 struct dpni_cmd_set_unicast_promisc *cmd_params;
1038
1039 /* prepare command */
1040 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_UNICAST_PROMISC,
1041 cmd_flags,
1042 token);
1043 cmd_params = (struct dpni_cmd_set_unicast_promisc *)cmd.params;
1044 dpni_set_field(cmd_params->enable, ENABLE, en);
1045
1046 /* send command to mc*/
1047 return mc_send_command(mc_io, &cmd);
1048 }
1049
1050 /**
1051 * dpni_get_unicast_promisc() - Get unicast promiscuous mode
1052 * @mc_io: Pointer to MC portal's I/O object
1053 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1054 * @token: Token of DPNI object
1055 * @en: Returns '1' if enabled; '0' otherwise
1056 *
1057 * Return: '0' on Success; Error code otherwise.
1058 */
dpni_get_unicast_promisc(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,int * en)1059 int dpni_get_unicast_promisc(struct fsl_mc_io *mc_io,
1060 u32 cmd_flags,
1061 u16 token,
1062 int *en)
1063 {
1064 struct fsl_mc_command cmd = { 0 };
1065 struct dpni_rsp_get_unicast_promisc *rsp_params;
1066 int err;
1067
1068 /* prepare command */
1069 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_UNICAST_PROMISC,
1070 cmd_flags,
1071 token);
1072
1073 /* send command to mc*/
1074 err = mc_send_command(mc_io, &cmd);
1075 if (err)
1076 return err;
1077
1078 /* retrieve response parameters */
1079 rsp_params = (struct dpni_rsp_get_unicast_promisc *)cmd.params;
1080 *en = dpni_get_field(rsp_params->enabled, ENABLE);
1081
1082 return 0;
1083 }
1084
1085 /**
1086 * dpni_set_primary_mac_addr() - Set the primary MAC address
1087 * @mc_io: Pointer to MC portal's I/O object
1088 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1089 * @token: Token of DPNI object
1090 * @mac_addr: MAC address to set as primary address
1091 *
1092 * Return: '0' on Success; Error code otherwise.
1093 */
dpni_set_primary_mac_addr(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,const u8 mac_addr[6])1094 int dpni_set_primary_mac_addr(struct fsl_mc_io *mc_io,
1095 u32 cmd_flags,
1096 u16 token,
1097 const u8 mac_addr[6])
1098 {
1099 struct fsl_mc_command cmd = { 0 };
1100 struct dpni_cmd_set_primary_mac_addr *cmd_params;
1101 int i;
1102
1103 /* prepare command */
1104 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_PRIM_MAC,
1105 cmd_flags,
1106 token);
1107 cmd_params = (struct dpni_cmd_set_primary_mac_addr *)cmd.params;
1108 for (i = 0; i < 6; i++)
1109 cmd_params->mac_addr[i] = mac_addr[5 - i];
1110
1111 /* send command to mc*/
1112 return mc_send_command(mc_io, &cmd);
1113 }
1114
1115 /**
1116 * dpni_get_primary_mac_addr() - Get the primary MAC address
1117 * @mc_io: Pointer to MC portal's I/O object
1118 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1119 * @token: Token of DPNI object
1120 * @mac_addr: Returned MAC address
1121 *
1122 * Return: '0' on Success; Error code otherwise.
1123 */
dpni_get_primary_mac_addr(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 mac_addr[6])1124 int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
1125 u32 cmd_flags,
1126 u16 token,
1127 u8 mac_addr[6])
1128 {
1129 struct fsl_mc_command cmd = { 0 };
1130 struct dpni_rsp_get_primary_mac_addr *rsp_params;
1131 int i, err;
1132
1133 /* prepare command */
1134 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PRIM_MAC,
1135 cmd_flags,
1136 token);
1137
1138 /* send command to mc*/
1139 err = mc_send_command(mc_io, &cmd);
1140 if (err)
1141 return err;
1142
1143 /* retrieve response parameters */
1144 rsp_params = (struct dpni_rsp_get_primary_mac_addr *)cmd.params;
1145 for (i = 0; i < 6; i++)
1146 mac_addr[5 - i] = rsp_params->mac_addr[i];
1147
1148 return 0;
1149 }
1150
1151 /**
1152 * dpni_get_port_mac_addr() - Retrieve MAC address associated to the physical
1153 * port the DPNI is attached to
1154 * @mc_io: Pointer to MC portal's I/O object
1155 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1156 * @token: Token of DPNI object
1157 * @mac_addr: MAC address of the physical port, if any, otherwise 0
1158 *
1159 * The primary MAC address is not cleared by this operation.
1160 *
1161 * Return: '0' on Success; Error code otherwise.
1162 */
dpni_get_port_mac_addr(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 mac_addr[6])1163 int dpni_get_port_mac_addr(struct fsl_mc_io *mc_io,
1164 u32 cmd_flags,
1165 u16 token,
1166 u8 mac_addr[6])
1167 {
1168 struct fsl_mc_command cmd = { 0 };
1169 struct dpni_rsp_get_port_mac_addr *rsp_params;
1170 int i, err;
1171
1172 /* prepare command */
1173 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_PORT_MAC_ADDR,
1174 cmd_flags,
1175 token);
1176
1177 /* send command to mc*/
1178 err = mc_send_command(mc_io, &cmd);
1179 if (err)
1180 return err;
1181
1182 /* retrieve response parameters */
1183 rsp_params = (struct dpni_rsp_get_port_mac_addr *)cmd.params;
1184 for (i = 0; i < 6; i++)
1185 mac_addr[5 - i] = rsp_params->mac_addr[i];
1186
1187 return 0;
1188 }
1189
1190 /**
1191 * dpni_add_mac_addr() - Add MAC address filter
1192 * @mc_io: Pointer to MC portal's I/O object
1193 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1194 * @token: Token of DPNI object
1195 * @mac_addr: MAC address to add
1196 *
1197 * Return: '0' on Success; Error code otherwise.
1198 */
dpni_add_mac_addr(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,const u8 mac_addr[6])1199 int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
1200 u32 cmd_flags,
1201 u16 token,
1202 const u8 mac_addr[6])
1203 {
1204 struct fsl_mc_command cmd = { 0 };
1205 struct dpni_cmd_add_mac_addr *cmd_params;
1206 int i;
1207
1208 /* prepare command */
1209 cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_MAC_ADDR,
1210 cmd_flags,
1211 token);
1212 cmd_params = (struct dpni_cmd_add_mac_addr *)cmd.params;
1213 for (i = 0; i < 6; i++)
1214 cmd_params->mac_addr[i] = mac_addr[5 - i];
1215
1216 /* send command to mc*/
1217 return mc_send_command(mc_io, &cmd);
1218 }
1219
1220 /**
1221 * dpni_remove_mac_addr() - Remove MAC address filter
1222 * @mc_io: Pointer to MC portal's I/O object
1223 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1224 * @token: Token of DPNI object
1225 * @mac_addr: MAC address to remove
1226 *
1227 * Return: '0' on Success; Error code otherwise.
1228 */
dpni_remove_mac_addr(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,const u8 mac_addr[6])1229 int dpni_remove_mac_addr(struct fsl_mc_io *mc_io,
1230 u32 cmd_flags,
1231 u16 token,
1232 const u8 mac_addr[6])
1233 {
1234 struct fsl_mc_command cmd = { 0 };
1235 struct dpni_cmd_remove_mac_addr *cmd_params;
1236 int i;
1237
1238 /* prepare command */
1239 cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_MAC_ADDR,
1240 cmd_flags,
1241 token);
1242 cmd_params = (struct dpni_cmd_remove_mac_addr *)cmd.params;
1243 for (i = 0; i < 6; i++)
1244 cmd_params->mac_addr[i] = mac_addr[5 - i];
1245
1246 /* send command to mc*/
1247 return mc_send_command(mc_io, &cmd);
1248 }
1249
1250 /**
1251 * dpni_clear_mac_filters() - Clear all unicast and/or multicast MAC filters
1252 * @mc_io: Pointer to MC portal's I/O object
1253 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1254 * @token: Token of DPNI object
1255 * @unicast: Set to '1' to clear unicast addresses
1256 * @multicast: Set to '1' to clear multicast addresses
1257 *
1258 * The primary MAC address is not cleared by this operation.
1259 *
1260 * Return: '0' on Success; Error code otherwise.
1261 */
dpni_clear_mac_filters(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,int unicast,int multicast)1262 int dpni_clear_mac_filters(struct fsl_mc_io *mc_io,
1263 u32 cmd_flags,
1264 u16 token,
1265 int unicast,
1266 int multicast)
1267 {
1268 struct fsl_mc_command cmd = { 0 };
1269 struct dpni_cmd_clear_mac_filters *cmd_params;
1270
1271 /* prepare command */
1272 cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_MAC_FILTERS,
1273 cmd_flags,
1274 token);
1275 cmd_params = (struct dpni_cmd_clear_mac_filters *)cmd.params;
1276 dpni_set_field(cmd_params->flags, UNICAST_FILTERS, unicast);
1277 dpni_set_field(cmd_params->flags, MULTICAST_FILTERS, multicast);
1278
1279 /* send command to mc*/
1280 return mc_send_command(mc_io, &cmd);
1281 }
1282
1283 /**
1284 * dpni_set_rx_tc_dist() - Set Rx traffic class distribution configuration
1285 * @mc_io: Pointer to MC portal's I/O object
1286 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1287 * @token: Token of DPNI object
1288 * @tc_id: Traffic class selection (0-7)
1289 * @cfg: Traffic class distribution configuration
1290 *
1291 * warning: if 'dist_mode != DPNI_DIST_MODE_NONE', call dpni_prepare_key_cfg()
1292 * first to prepare the key_cfg_iova parameter
1293 *
1294 * Return: '0' on Success; error code otherwise.
1295 */
dpni_set_rx_tc_dist(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 tc_id,const struct dpni_rx_tc_dist_cfg * cfg)1296 int dpni_set_rx_tc_dist(struct fsl_mc_io *mc_io,
1297 u32 cmd_flags,
1298 u16 token,
1299 u8 tc_id,
1300 const struct dpni_rx_tc_dist_cfg *cfg)
1301 {
1302 struct fsl_mc_command cmd = { 0 };
1303 struct dpni_cmd_set_rx_tc_dist *cmd_params;
1304
1305 /* prepare command */
1306 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_TC_DIST,
1307 cmd_flags,
1308 token);
1309 cmd_params = (struct dpni_cmd_set_rx_tc_dist *)cmd.params;
1310 cmd_params->dist_size = cpu_to_le16(cfg->dist_size);
1311 cmd_params->tc_id = tc_id;
1312 dpni_set_field(cmd_params->flags, DIST_MODE, cfg->dist_mode);
1313 dpni_set_field(cmd_params->flags, MISS_ACTION, cfg->fs_cfg.miss_action);
1314 cmd_params->default_flow_id = cpu_to_le16(cfg->fs_cfg.default_flow_id);
1315 cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
1316
1317 /* send command to mc*/
1318 return mc_send_command(mc_io, &cmd);
1319 }
1320
1321 /**
1322 * dpni_set_queue() - Set queue parameters
1323 * @mc_io: Pointer to MC portal's I/O object
1324 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1325 * @token: Token of DPNI object
1326 * @qtype: Type of queue - all queue types are supported, although
1327 * the command is ignored for Tx
1328 * @tc: Traffic class, in range 0 to NUM_TCS - 1
1329 * @index: Selects the specific queue out of the set allocated for the
1330 * same TC. Value must be in range 0 to NUM_QUEUES - 1
1331 * @options: A combination of DPNI_QUEUE_OPT_ values that control what
1332 * configuration options are set on the queue
1333 * @queue: Queue structure
1334 *
1335 * Return: '0' on Success; Error code otherwise.
1336 */
dpni_set_queue(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_queue_type qtype,u8 tc,u8 index,u8 options,const struct dpni_queue * queue)1337 int dpni_set_queue(struct fsl_mc_io *mc_io,
1338 u32 cmd_flags,
1339 u16 token,
1340 enum dpni_queue_type qtype,
1341 u8 tc,
1342 u8 index,
1343 u8 options,
1344 const struct dpni_queue *queue)
1345 {
1346 struct fsl_mc_command cmd = { 0 };
1347 struct dpni_cmd_set_queue *cmd_params;
1348
1349 /* prepare command */
1350 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QUEUE,
1351 cmd_flags,
1352 token);
1353 cmd_params = (struct dpni_cmd_set_queue *)cmd.params;
1354 cmd_params->qtype = qtype;
1355 cmd_params->tc = tc;
1356 cmd_params->index = index;
1357 cmd_params->options = options;
1358 cmd_params->dest_id = cpu_to_le32(queue->destination.id);
1359 cmd_params->dest_prio = queue->destination.priority;
1360 dpni_set_field(cmd_params->flags, DEST_TYPE, queue->destination.type);
1361 dpni_set_field(cmd_params->flags, STASH_CTRL, queue->flc.stash_control);
1362 dpni_set_field(cmd_params->flags, HOLD_ACTIVE,
1363 queue->destination.hold_active);
1364 cmd_params->flc = cpu_to_le64(queue->flc.value);
1365 cmd_params->user_context = cpu_to_le64(queue->user_context);
1366
1367 /* send command to mc */
1368 return mc_send_command(mc_io, &cmd);
1369 }
1370
1371 /**
1372 * dpni_get_queue() - Get queue parameters
1373 * @mc_io: Pointer to MC portal's I/O object
1374 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1375 * @token: Token of DPNI object
1376 * @qtype: Type of queue - all queue types are supported
1377 * @tc: Traffic class, in range 0 to NUM_TCS - 1
1378 * @index: Selects the specific queue out of the set allocated for the
1379 * same TC. Value must be in range 0 to NUM_QUEUES - 1
1380 * @queue: Queue configuration structure
1381 * @qid: Queue identification
1382 *
1383 * Return: '0' on Success; Error code otherwise.
1384 */
dpni_get_queue(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_queue_type qtype,u8 tc,u8 index,struct dpni_queue * queue,struct dpni_queue_id * qid)1385 int dpni_get_queue(struct fsl_mc_io *mc_io,
1386 u32 cmd_flags,
1387 u16 token,
1388 enum dpni_queue_type qtype,
1389 u8 tc,
1390 u8 index,
1391 struct dpni_queue *queue,
1392 struct dpni_queue_id *qid)
1393 {
1394 struct fsl_mc_command cmd = { 0 };
1395 struct dpni_cmd_get_queue *cmd_params;
1396 struct dpni_rsp_get_queue *rsp_params;
1397 int err;
1398
1399 /* prepare command */
1400 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_QUEUE,
1401 cmd_flags,
1402 token);
1403 cmd_params = (struct dpni_cmd_get_queue *)cmd.params;
1404 cmd_params->qtype = qtype;
1405 cmd_params->tc = tc;
1406 cmd_params->index = index;
1407
1408 /* send command to mc */
1409 err = mc_send_command(mc_io, &cmd);
1410 if (err)
1411 return err;
1412
1413 /* retrieve response parameters */
1414 rsp_params = (struct dpni_rsp_get_queue *)cmd.params;
1415 queue->destination.id = le32_to_cpu(rsp_params->dest_id);
1416 queue->destination.priority = rsp_params->dest_prio;
1417 queue->destination.type = dpni_get_field(rsp_params->flags,
1418 DEST_TYPE);
1419 queue->flc.stash_control = dpni_get_field(rsp_params->flags,
1420 STASH_CTRL);
1421 queue->destination.hold_active = dpni_get_field(rsp_params->flags,
1422 HOLD_ACTIVE);
1423 queue->flc.value = le64_to_cpu(rsp_params->flc);
1424 queue->user_context = le64_to_cpu(rsp_params->user_context);
1425 qid->fqid = le32_to_cpu(rsp_params->fqid);
1426 qid->qdbin = le16_to_cpu(rsp_params->qdbin);
1427
1428 return 0;
1429 }
1430
1431 /**
1432 * dpni_get_statistics() - Get DPNI statistics
1433 * @mc_io: Pointer to MC portal's I/O object
1434 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1435 * @token: Token of DPNI object
1436 * @page: Selects the statistics page to retrieve, see
1437 * DPNI_GET_STATISTICS output. Pages are numbered 0 to 2.
1438 * @stat: Structure containing the statistics
1439 *
1440 * Return: '0' on Success; Error code otherwise.
1441 */
dpni_get_statistics(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,u8 page,union dpni_statistics * stat)1442 int dpni_get_statistics(struct fsl_mc_io *mc_io,
1443 u32 cmd_flags,
1444 u16 token,
1445 u8 page,
1446 union dpni_statistics *stat)
1447 {
1448 struct fsl_mc_command cmd = { 0 };
1449 struct dpni_cmd_get_statistics *cmd_params;
1450 struct dpni_rsp_get_statistics *rsp_params;
1451 int i, err;
1452
1453 /* prepare command */
1454 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_STATISTICS,
1455 cmd_flags,
1456 token);
1457 cmd_params = (struct dpni_cmd_get_statistics *)cmd.params;
1458 cmd_params->page_number = page;
1459
1460 /* send command to mc */
1461 err = mc_send_command(mc_io, &cmd);
1462 if (err)
1463 return err;
1464
1465 /* retrieve response parameters */
1466 rsp_params = (struct dpni_rsp_get_statistics *)cmd.params;
1467 for (i = 0; i < DPNI_STATISTICS_CNT; i++)
1468 stat->raw.counter[i] = le64_to_cpu(rsp_params->counter[i]);
1469
1470 return 0;
1471 }
1472
1473 /**
1474 * dpni_set_taildrop() - Set taildrop per queue or TC
1475 * @mc_io: Pointer to MC portal's I/O object
1476 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1477 * @token: Token of DPNI object
1478 * @cg_point: Congestion point
1479 * @q_type: Queue type on which the taildrop is configured.
1480 * Only Rx queues are supported for now
1481 * @tc: Traffic class to apply this taildrop to
1482 * @q_index: Index of the queue if the DPNI supports multiple queues for
1483 * traffic distribution. Ignored if CONGESTION_POINT is not 0.
1484 * @taildrop: Taildrop structure
1485 *
1486 * Return: '0' on Success; Error code otherwise.
1487 */
dpni_set_taildrop(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_congestion_point cg_point,enum dpni_queue_type qtype,u8 tc,u8 index,struct dpni_taildrop * taildrop)1488 int dpni_set_taildrop(struct fsl_mc_io *mc_io,
1489 u32 cmd_flags,
1490 u16 token,
1491 enum dpni_congestion_point cg_point,
1492 enum dpni_queue_type qtype,
1493 u8 tc,
1494 u8 index,
1495 struct dpni_taildrop *taildrop)
1496 {
1497 struct fsl_mc_command cmd = { 0 };
1498 struct dpni_cmd_set_taildrop *cmd_params;
1499
1500 /* prepare command */
1501 cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TAILDROP,
1502 cmd_flags,
1503 token);
1504 cmd_params = (struct dpni_cmd_set_taildrop *)cmd.params;
1505 cmd_params->congestion_point = cg_point;
1506 cmd_params->qtype = qtype;
1507 cmd_params->tc = tc;
1508 cmd_params->index = index;
1509 dpni_set_field(cmd_params->enable, ENABLE, taildrop->enable);
1510 cmd_params->units = taildrop->units;
1511 cmd_params->threshold = cpu_to_le32(taildrop->threshold);
1512
1513 /* send command to mc */
1514 return mc_send_command(mc_io, &cmd);
1515 }
1516
1517 /**
1518 * dpni_get_taildrop() - Get taildrop information
1519 * @mc_io: Pointer to MC portal's I/O object
1520 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1521 * @token: Token of DPNI object
1522 * @cg_point: Congestion point
1523 * @q_type: Queue type on which the taildrop is configured.
1524 * Only Rx queues are supported for now
1525 * @tc: Traffic class to apply this taildrop to
1526 * @q_index: Index of the queue if the DPNI supports multiple queues for
1527 * traffic distribution. Ignored if CONGESTION_POINT is not 0.
1528 * @taildrop: Taildrop structure
1529 *
1530 * Return: '0' on Success; Error code otherwise.
1531 */
dpni_get_taildrop(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 token,enum dpni_congestion_point cg_point,enum dpni_queue_type qtype,u8 tc,u8 index,struct dpni_taildrop * taildrop)1532 int dpni_get_taildrop(struct fsl_mc_io *mc_io,
1533 u32 cmd_flags,
1534 u16 token,
1535 enum dpni_congestion_point cg_point,
1536 enum dpni_queue_type qtype,
1537 u8 tc,
1538 u8 index,
1539 struct dpni_taildrop *taildrop)
1540 {
1541 struct fsl_mc_command cmd = { 0 };
1542 struct dpni_cmd_get_taildrop *cmd_params;
1543 struct dpni_rsp_get_taildrop *rsp_params;
1544 int err;
1545
1546 /* prepare command */
1547 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_TAILDROP,
1548 cmd_flags,
1549 token);
1550 cmd_params = (struct dpni_cmd_get_taildrop *)cmd.params;
1551 cmd_params->congestion_point = cg_point;
1552 cmd_params->qtype = qtype;
1553 cmd_params->tc = tc;
1554 cmd_params->index = index;
1555
1556 /* send command to mc */
1557 err = mc_send_command(mc_io, &cmd);
1558 if (err)
1559 return err;
1560
1561 /* retrieve response parameters */
1562 rsp_params = (struct dpni_rsp_get_taildrop *)cmd.params;
1563 taildrop->enable = dpni_get_field(rsp_params->enable, ENABLE);
1564 taildrop->units = rsp_params->units;
1565 taildrop->threshold = le32_to_cpu(rsp_params->threshold);
1566
1567 return 0;
1568 }
1569
1570 /**
1571 * dpni_get_api_version() - Get Data Path Network Interface API version
1572 * @mc_io: Pointer to MC portal's I/O object
1573 * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
1574 * @major_ver: Major version of data path network interface API
1575 * @minor_ver: Minor version of data path network interface API
1576 *
1577 * Return: '0' on Success; Error code otherwise.
1578 */
dpni_get_api_version(struct fsl_mc_io * mc_io,u32 cmd_flags,u16 * major_ver,u16 * minor_ver)1579 int dpni_get_api_version(struct fsl_mc_io *mc_io,
1580 u32 cmd_flags,
1581 u16 *major_ver,
1582 u16 *minor_ver)
1583 {
1584 struct dpni_rsp_get_api_version *rsp_params;
1585 struct fsl_mc_command cmd = { 0 };
1586 int err;
1587
1588 cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION,
1589 cmd_flags, 0);
1590
1591 err = mc_send_command(mc_io, &cmd);
1592 if (err)
1593 return err;
1594
1595 rsp_params = (struct dpni_rsp_get_api_version *)cmd.params;
1596 *major_ver = le16_to_cpu(rsp_params->major);
1597 *minor_ver = le16_to_cpu(rsp_params->minor);
1598
1599 return 0;
1600 }
1601
