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4875f69f CM |
1 | /* |
2 | * Copyright 2012 Tilera Corporation. All Rights Reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation, version 2. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or | |
11 | * NON INFRINGEMENT. See the GNU General Public License for | |
12 | * more details. | |
13 | */ | |
14 | ||
15 | /* | |
16 | * Implementation of mpipe gxio calls. | |
17 | */ | |
18 | ||
19 | #include <linux/errno.h> | |
20 | #include <linux/io.h> | |
21 | #include <linux/module.h> | |
22 | ||
23 | #include <gxio/iorpc_globals.h> | |
24 | #include <gxio/iorpc_mpipe.h> | |
25 | #include <gxio/iorpc_mpipe_info.h> | |
26 | #include <gxio/kiorpc.h> | |
27 | #include <gxio/mpipe.h> | |
28 | ||
29 | /* HACK: Avoid pointless "shadow" warnings. */ | |
30 | #define link link_shadow | |
31 | ||
32 | int gxio_mpipe_init(gxio_mpipe_context_t *context, unsigned int mpipe_index) | |
33 | { | |
34 | char file[32]; | |
35 | ||
36 | int fd; | |
37 | int i; | |
38 | ||
f3286a3a CM |
39 | if (mpipe_index >= GXIO_MPIPE_INSTANCE_MAX) |
40 | return -EINVAL; | |
41 | ||
4875f69f CM |
42 | snprintf(file, sizeof(file), "mpipe/%d/iorpc", mpipe_index); |
43 | fd = hv_dev_open((HV_VirtAddr) file, 0); | |
f3286a3a CM |
44 | |
45 | context->fd = fd; | |
46 | ||
4875f69f CM |
47 | if (fd < 0) { |
48 | if (fd >= GXIO_ERR_MIN && fd <= GXIO_ERR_MAX) | |
49 | return fd; | |
50 | else | |
51 | return -ENODEV; | |
52 | } | |
53 | ||
4875f69f CM |
54 | /* Map in the MMIO space. */ |
55 | context->mmio_cfg_base = (void __force *) | |
56 | iorpc_ioremap(fd, HV_MPIPE_CONFIG_MMIO_OFFSET, | |
57 | HV_MPIPE_CONFIG_MMIO_SIZE); | |
58 | if (context->mmio_cfg_base == NULL) | |
59 | goto cfg_failed; | |
60 | ||
61 | context->mmio_fast_base = (void __force *) | |
62 | iorpc_ioremap(fd, HV_MPIPE_FAST_MMIO_OFFSET, | |
63 | HV_MPIPE_FAST_MMIO_SIZE); | |
64 | if (context->mmio_fast_base == NULL) | |
65 | goto fast_failed; | |
66 | ||
67 | /* Initialize the stacks. */ | |
68 | for (i = 0; i < 8; i++) | |
69 | context->__stacks.stacks[i] = 255; | |
70 | ||
f3286a3a CM |
71 | context->instance = mpipe_index; |
72 | ||
4875f69f CM |
73 | return 0; |
74 | ||
75 | fast_failed: | |
76 | iounmap((void __force __iomem *)(context->mmio_cfg_base)); | |
77 | cfg_failed: | |
78 | hv_dev_close(context->fd); | |
f3286a3a | 79 | context->fd = -1; |
4875f69f CM |
80 | return -ENODEV; |
81 | } | |
82 | ||
83 | EXPORT_SYMBOL_GPL(gxio_mpipe_init); | |
84 | ||
85 | int gxio_mpipe_destroy(gxio_mpipe_context_t *context) | |
86 | { | |
87 | iounmap((void __force __iomem *)(context->mmio_cfg_base)); | |
88 | iounmap((void __force __iomem *)(context->mmio_fast_base)); | |
89 | return hv_dev_close(context->fd); | |
90 | } | |
91 | ||
92 | EXPORT_SYMBOL_GPL(gxio_mpipe_destroy); | |
93 | ||
94 | static int16_t gxio_mpipe_buffer_sizes[8] = | |
95 | { 128, 256, 512, 1024, 1664, 4096, 10368, 16384 }; | |
96 | ||
97 | gxio_mpipe_buffer_size_enum_t gxio_mpipe_buffer_size_to_buffer_size_enum(size_t | |
98 | size) | |
99 | { | |
100 | int i; | |
101 | for (i = 0; i < 7; i++) | |
102 | if (size <= gxio_mpipe_buffer_sizes[i]) | |
103 | break; | |
104 | return i; | |
105 | } | |
106 | ||
107 | EXPORT_SYMBOL_GPL(gxio_mpipe_buffer_size_to_buffer_size_enum); | |
108 | ||
109 | size_t gxio_mpipe_buffer_size_enum_to_buffer_size(gxio_mpipe_buffer_size_enum_t | |
110 | buffer_size_enum) | |
111 | { | |
112 | if (buffer_size_enum > 7) | |
113 | buffer_size_enum = 7; | |
114 | ||
115 | return gxio_mpipe_buffer_sizes[buffer_size_enum]; | |
116 | } | |
117 | ||
118 | EXPORT_SYMBOL_GPL(gxio_mpipe_buffer_size_enum_to_buffer_size); | |
119 | ||
120 | size_t gxio_mpipe_calc_buffer_stack_bytes(unsigned long buffers) | |
121 | { | |
122 | const int BUFFERS_PER_LINE = 12; | |
123 | ||
124 | /* Count the number of cachlines. */ | |
125 | unsigned long lines = | |
126 | (buffers + BUFFERS_PER_LINE - 1) / BUFFERS_PER_LINE; | |
127 | ||
128 | /* Convert to bytes. */ | |
129 | return lines * CHIP_L2_LINE_SIZE(); | |
130 | } | |
131 | ||
132 | EXPORT_SYMBOL_GPL(gxio_mpipe_calc_buffer_stack_bytes); | |
133 | ||
134 | int gxio_mpipe_init_buffer_stack(gxio_mpipe_context_t *context, | |
135 | unsigned int stack, | |
136 | gxio_mpipe_buffer_size_enum_t | |
137 | buffer_size_enum, void *mem, size_t mem_size, | |
138 | unsigned int mem_flags) | |
139 | { | |
140 | int result; | |
141 | ||
142 | memset(mem, 0, mem_size); | |
143 | ||
144 | result = gxio_mpipe_init_buffer_stack_aux(context, mem, mem_size, | |
145 | mem_flags, stack, | |
146 | buffer_size_enum); | |
147 | if (result < 0) | |
148 | return result; | |
149 | ||
150 | /* Save the stack. */ | |
151 | context->__stacks.stacks[buffer_size_enum] = stack; | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | EXPORT_SYMBOL_GPL(gxio_mpipe_init_buffer_stack); | |
157 | ||
158 | int gxio_mpipe_init_notif_ring(gxio_mpipe_context_t *context, | |
159 | unsigned int ring, | |
160 | void *mem, size_t mem_size, | |
161 | unsigned int mem_flags) | |
162 | { | |
163 | return gxio_mpipe_init_notif_ring_aux(context, mem, mem_size, | |
164 | mem_flags, ring); | |
165 | } | |
166 | ||
167 | EXPORT_SYMBOL_GPL(gxio_mpipe_init_notif_ring); | |
168 | ||
169 | int gxio_mpipe_init_notif_group_and_buckets(gxio_mpipe_context_t *context, | |
170 | unsigned int group, | |
171 | unsigned int ring, | |
172 | unsigned int num_rings, | |
173 | unsigned int bucket, | |
174 | unsigned int num_buckets, | |
175 | gxio_mpipe_bucket_mode_t mode) | |
176 | { | |
177 | int i; | |
178 | int result; | |
179 | ||
180 | gxio_mpipe_bucket_info_t bucket_info = { { | |
181 | .group = group, | |
182 | .mode = mode, | |
183 | } | |
184 | }; | |
185 | ||
186 | gxio_mpipe_notif_group_bits_t bits = { {0} }; | |
187 | ||
188 | for (i = 0; i < num_rings; i++) | |
189 | gxio_mpipe_notif_group_add_ring(&bits, ring + i); | |
190 | ||
191 | result = gxio_mpipe_init_notif_group(context, group, bits); | |
192 | if (result != 0) | |
193 | return result; | |
194 | ||
195 | for (i = 0; i < num_buckets; i++) { | |
196 | bucket_info.notifring = ring + (i % num_rings); | |
197 | ||
198 | result = gxio_mpipe_init_bucket(context, bucket + i, | |
199 | bucket_info); | |
200 | if (result != 0) | |
201 | return result; | |
202 | } | |
203 | ||
204 | return 0; | |
205 | } | |
206 | ||
207 | EXPORT_SYMBOL_GPL(gxio_mpipe_init_notif_group_and_buckets); | |
208 | ||
209 | int gxio_mpipe_init_edma_ring(gxio_mpipe_context_t *context, | |
210 | unsigned int ring, unsigned int channel, | |
211 | void *mem, size_t mem_size, | |
212 | unsigned int mem_flags) | |
213 | { | |
214 | memset(mem, 0, mem_size); | |
215 | ||
216 | return gxio_mpipe_init_edma_ring_aux(context, mem, mem_size, mem_flags, | |
217 | ring, channel); | |
218 | } | |
219 | ||
220 | EXPORT_SYMBOL_GPL(gxio_mpipe_init_edma_ring); | |
221 | ||
222 | void gxio_mpipe_rules_init(gxio_mpipe_rules_t *rules, | |
223 | gxio_mpipe_context_t *context) | |
224 | { | |
225 | rules->context = context; | |
226 | memset(&rules->list, 0, sizeof(rules->list)); | |
227 | } | |
228 | ||
229 | EXPORT_SYMBOL_GPL(gxio_mpipe_rules_init); | |
230 | ||
231 | int gxio_mpipe_rules_begin(gxio_mpipe_rules_t *rules, | |
232 | unsigned int bucket, unsigned int num_buckets, | |
233 | gxio_mpipe_rules_stacks_t *stacks) | |
234 | { | |
235 | int i; | |
236 | int stack = 255; | |
237 | ||
238 | gxio_mpipe_rules_list_t *list = &rules->list; | |
239 | ||
240 | /* Current rule. */ | |
241 | gxio_mpipe_rules_rule_t *rule = | |
242 | (gxio_mpipe_rules_rule_t *) (list->rules + list->head); | |
243 | ||
244 | unsigned int head = list->tail; | |
245 | ||
246 | /* | |
247 | * Align next rule properly. | |
248 | *Note that "dmacs_and_vlans" will also be aligned. | |
249 | */ | |
250 | unsigned int pad = 0; | |
251 | while (((head + pad) % __alignof__(gxio_mpipe_rules_rule_t)) != 0) | |
252 | pad++; | |
253 | ||
254 | /* | |
255 | * Verify room. | |
256 | * ISSUE: Mark rules as broken on error? | |
257 | */ | |
258 | if (head + pad + sizeof(*rule) >= sizeof(list->rules)) | |
259 | return GXIO_MPIPE_ERR_RULES_FULL; | |
260 | ||
261 | /* Verify num_buckets is a power of 2. */ | |
262 | if (__builtin_popcount(num_buckets) != 1) | |
263 | return GXIO_MPIPE_ERR_RULES_INVALID; | |
264 | ||
265 | /* Add padding to previous rule. */ | |
266 | rule->size += pad; | |
267 | ||
268 | /* Start a new rule. */ | |
269 | list->head = head + pad; | |
270 | ||
271 | rule = (gxio_mpipe_rules_rule_t *) (list->rules + list->head); | |
272 | ||
273 | /* Default some values. */ | |
274 | rule->headroom = 2; | |
275 | rule->tailroom = 0; | |
276 | rule->capacity = 16384; | |
277 | ||
278 | /* Save the bucket info. */ | |
279 | rule->bucket_mask = num_buckets - 1; | |
280 | rule->bucket_first = bucket; | |
281 | ||
282 | for (i = 8 - 1; i >= 0; i--) { | |
283 | int maybe = | |
284 | stacks ? stacks->stacks[i] : rules->context->__stacks. | |
285 | stacks[i]; | |
286 | if (maybe != 255) | |
287 | stack = maybe; | |
288 | rule->stacks.stacks[i] = stack; | |
289 | } | |
290 | ||
291 | if (stack == 255) | |
292 | return GXIO_MPIPE_ERR_RULES_INVALID; | |
293 | ||
294 | /* NOTE: Only entries at the end of the array can be 255. */ | |
295 | for (i = 8 - 1; i > 0; i--) { | |
296 | if (rule->stacks.stacks[i] == 255) { | |
297 | rule->stacks.stacks[i] = stack; | |
298 | rule->capacity = | |
299 | gxio_mpipe_buffer_size_enum_to_buffer_size(i - | |
300 | 1); | |
301 | } | |
302 | } | |
303 | ||
304 | rule->size = sizeof(*rule); | |
305 | list->tail = list->head + rule->size; | |
306 | ||
307 | return 0; | |
308 | } | |
309 | ||
310 | EXPORT_SYMBOL_GPL(gxio_mpipe_rules_begin); | |
311 | ||
312 | int gxio_mpipe_rules_add_channel(gxio_mpipe_rules_t *rules, | |
313 | unsigned int channel) | |
314 | { | |
315 | gxio_mpipe_rules_list_t *list = &rules->list; | |
316 | ||
317 | gxio_mpipe_rules_rule_t *rule = | |
318 | (gxio_mpipe_rules_rule_t *) (list->rules + list->head); | |
319 | ||
320 | /* Verify channel. */ | |
321 | if (channel >= 32) | |
322 | return GXIO_MPIPE_ERR_RULES_INVALID; | |
323 | ||
324 | /* Verify begun. */ | |
325 | if (list->tail == 0) | |
326 | return GXIO_MPIPE_ERR_RULES_EMPTY; | |
327 | ||
328 | rule->channel_bits |= (1UL << channel); | |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
333 | EXPORT_SYMBOL_GPL(gxio_mpipe_rules_add_channel); | |
334 | ||
335 | int gxio_mpipe_rules_set_headroom(gxio_mpipe_rules_t *rules, uint8_t headroom) | |
336 | { | |
337 | gxio_mpipe_rules_list_t *list = &rules->list; | |
338 | ||
339 | gxio_mpipe_rules_rule_t *rule = | |
340 | (gxio_mpipe_rules_rule_t *) (list->rules + list->head); | |
341 | ||
342 | /* Verify begun. */ | |
343 | if (list->tail == 0) | |
344 | return GXIO_MPIPE_ERR_RULES_EMPTY; | |
345 | ||
346 | rule->headroom = headroom; | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
351 | EXPORT_SYMBOL_GPL(gxio_mpipe_rules_set_headroom); | |
352 | ||
353 | int gxio_mpipe_rules_commit(gxio_mpipe_rules_t *rules) | |
354 | { | |
355 | gxio_mpipe_rules_list_t *list = &rules->list; | |
356 | unsigned int size = | |
357 | offsetof(gxio_mpipe_rules_list_t, rules) + list->tail; | |
358 | return gxio_mpipe_commit_rules(rules->context, list, size); | |
359 | } | |
360 | ||
361 | EXPORT_SYMBOL_GPL(gxio_mpipe_rules_commit); | |
362 | ||
363 | int gxio_mpipe_iqueue_init(gxio_mpipe_iqueue_t *iqueue, | |
364 | gxio_mpipe_context_t *context, | |
365 | unsigned int ring, | |
366 | void *mem, size_t mem_size, unsigned int mem_flags) | |
367 | { | |
368 | /* The init call below will verify that "mem_size" is legal. */ | |
369 | unsigned int num_entries = mem_size / sizeof(gxio_mpipe_idesc_t); | |
370 | ||
371 | iqueue->context = context; | |
372 | iqueue->idescs = (gxio_mpipe_idesc_t *)mem; | |
373 | iqueue->ring = ring; | |
374 | iqueue->num_entries = num_entries; | |
375 | iqueue->mask_num_entries = num_entries - 1; | |
376 | iqueue->log2_num_entries = __builtin_ctz(num_entries); | |
377 | iqueue->head = 1; | |
378 | #ifdef __BIG_ENDIAN__ | |
379 | iqueue->swapped = 0; | |
380 | #endif | |
381 | ||
382 | /* Initialize the "tail". */ | |
383 | __gxio_mmio_write(mem, iqueue->head); | |
384 | ||
385 | return gxio_mpipe_init_notif_ring(context, ring, mem, mem_size, | |
386 | mem_flags); | |
387 | } | |
388 | ||
389 | EXPORT_SYMBOL_GPL(gxio_mpipe_iqueue_init); | |
390 | ||
391 | int gxio_mpipe_equeue_init(gxio_mpipe_equeue_t *equeue, | |
392 | gxio_mpipe_context_t *context, | |
2628e8af | 393 | unsigned int ering, |
4875f69f CM |
394 | unsigned int channel, |
395 | void *mem, unsigned int mem_size, | |
396 | unsigned int mem_flags) | |
397 | { | |
398 | /* The init call below will verify that "mem_size" is legal. */ | |
399 | unsigned int num_entries = mem_size / sizeof(gxio_mpipe_edesc_t); | |
400 | ||
401 | /* Offset used to read number of completed commands. */ | |
402 | MPIPE_EDMA_POST_REGION_ADDR_t offset; | |
403 | ||
2628e8af | 404 | int result = gxio_mpipe_init_edma_ring(context, ering, channel, |
4875f69f CM |
405 | mem, mem_size, mem_flags); |
406 | if (result < 0) | |
407 | return result; | |
408 | ||
409 | memset(equeue, 0, sizeof(*equeue)); | |
410 | ||
411 | offset.word = 0; | |
412 | offset.region = | |
413 | MPIPE_MMIO_ADDR__REGION_VAL_EDMA - | |
414 | MPIPE_MMIO_ADDR__REGION_VAL_IDMA; | |
2628e8af | 415 | offset.ring = ering; |
4875f69f CM |
416 | |
417 | __gxio_dma_queue_init(&equeue->dma_queue, | |
418 | context->mmio_fast_base + offset.word, | |
419 | num_entries); | |
420 | equeue->edescs = mem; | |
421 | equeue->mask_num_entries = num_entries - 1; | |
422 | equeue->log2_num_entries = __builtin_ctz(num_entries); | |
2628e8af CM |
423 | equeue->context = context; |
424 | equeue->ering = ering; | |
425 | equeue->channel = channel; | |
4875f69f CM |
426 | |
427 | return 0; | |
428 | } | |
429 | ||
430 | EXPORT_SYMBOL_GPL(gxio_mpipe_equeue_init); | |
431 | ||
432 | int gxio_mpipe_set_timestamp(gxio_mpipe_context_t *context, | |
433 | const struct timespec *ts) | |
434 | { | |
435 | cycles_t cycles = get_cycles(); | |
436 | return gxio_mpipe_set_timestamp_aux(context, (uint64_t)ts->tv_sec, | |
437 | (uint64_t)ts->tv_nsec, | |
438 | (uint64_t)cycles); | |
439 | } | |
440 | ||
441 | int gxio_mpipe_get_timestamp(gxio_mpipe_context_t *context, | |
442 | struct timespec *ts) | |
443 | { | |
444 | int ret; | |
445 | cycles_t cycles_prev, cycles_now, clock_rate; | |
446 | cycles_prev = get_cycles(); | |
447 | ret = gxio_mpipe_get_timestamp_aux(context, (uint64_t *)&ts->tv_sec, | |
448 | (uint64_t *)&ts->tv_nsec, | |
449 | (uint64_t *)&cycles_now); | |
450 | if (ret < 0) { | |
451 | return ret; | |
452 | } | |
453 | ||
454 | clock_rate = get_clock_rate(); | |
455 | ts->tv_nsec -= (cycles_now - cycles_prev) * 1000000000LL / clock_rate; | |
456 | if (ts->tv_nsec < 0) { | |
457 | ts->tv_nsec += 1000000000LL; | |
458 | ts->tv_sec -= 1; | |
459 | } | |
460 | return ret; | |
461 | } | |
462 | ||
463 | int gxio_mpipe_adjust_timestamp(gxio_mpipe_context_t *context, int64_t delta) | |
464 | { | |
465 | return gxio_mpipe_adjust_timestamp_aux(context, delta); | |
466 | } | |
467 | ||
468 | /* Get our internal context used for link name access. This context is | |
469 | * special in that it is not associated with an mPIPE service domain. | |
470 | */ | |
471 | static gxio_mpipe_context_t *_gxio_get_link_context(void) | |
472 | { | |
473 | static gxio_mpipe_context_t context; | |
474 | static gxio_mpipe_context_t *contextp; | |
475 | static int tried_open = 0; | |
476 | static DEFINE_MUTEX(mutex); | |
477 | ||
478 | mutex_lock(&mutex); | |
479 | ||
480 | if (!tried_open) { | |
481 | int i = 0; | |
482 | tried_open = 1; | |
483 | ||
484 | /* | |
485 | * "4" here is the maximum possible number of mPIPE shims; it's | |
486 | * an exaggeration but we shouldn't ever go beyond 2 anyway. | |
487 | */ | |
488 | for (i = 0; i < 4; i++) { | |
489 | char file[80]; | |
490 | ||
491 | snprintf(file, sizeof(file), "mpipe/%d/iorpc_info", i); | |
492 | context.fd = hv_dev_open((HV_VirtAddr) file, 0); | |
493 | if (context.fd < 0) | |
494 | continue; | |
495 | ||
496 | contextp = &context; | |
497 | break; | |
498 | } | |
499 | } | |
500 | ||
501 | mutex_unlock(&mutex); | |
502 | ||
503 | return contextp; | |
504 | } | |
505 | ||
f3286a3a CM |
506 | int gxio_mpipe_link_instance(const char *link_name) |
507 | { | |
508 | _gxio_mpipe_link_name_t name; | |
509 | gxio_mpipe_context_t *context = _gxio_get_link_context(); | |
510 | ||
511 | if (!context) | |
512 | return GXIO_ERR_NO_DEVICE; | |
513 | ||
514 | strncpy(name.name, link_name, sizeof(name.name)); | |
515 | name.name[GXIO_MPIPE_LINK_NAME_LEN - 1] = '\0'; | |
516 | ||
517 | return gxio_mpipe_info_instance_aux(context, name); | |
518 | } | |
519 | ||
4875f69f CM |
520 | int gxio_mpipe_link_enumerate_mac(int idx, char *link_name, uint8_t *link_mac) |
521 | { | |
522 | int rv; | |
523 | _gxio_mpipe_link_name_t name; | |
524 | _gxio_mpipe_link_mac_t mac; | |
525 | ||
526 | gxio_mpipe_context_t *context = _gxio_get_link_context(); | |
527 | if (!context) | |
528 | return GXIO_ERR_NO_DEVICE; | |
529 | ||
530 | rv = gxio_mpipe_info_enumerate_aux(context, idx, &name, &mac); | |
531 | if (rv >= 0) { | |
532 | strncpy(link_name, name.name, sizeof(name.name)); | |
533 | memcpy(link_mac, mac.mac, sizeof(mac.mac)); | |
534 | } | |
535 | ||
536 | return rv; | |
537 | } | |
538 | ||
539 | EXPORT_SYMBOL_GPL(gxio_mpipe_link_enumerate_mac); | |
540 | ||
541 | int gxio_mpipe_link_open(gxio_mpipe_link_t *link, | |
542 | gxio_mpipe_context_t *context, const char *link_name, | |
543 | unsigned int flags) | |
544 | { | |
545 | _gxio_mpipe_link_name_t name; | |
546 | int rv; | |
547 | ||
548 | strncpy(name.name, link_name, sizeof(name.name)); | |
549 | name.name[GXIO_MPIPE_LINK_NAME_LEN - 1] = '\0'; | |
550 | ||
551 | rv = gxio_mpipe_link_open_aux(context, name, flags); | |
552 | if (rv < 0) | |
553 | return rv; | |
554 | ||
555 | link->context = context; | |
556 | link->channel = rv >> 8; | |
557 | link->mac = rv & 0xFF; | |
558 | ||
559 | return 0; | |
560 | } | |
561 | ||
562 | EXPORT_SYMBOL_GPL(gxio_mpipe_link_open); | |
563 | ||
564 | int gxio_mpipe_link_close(gxio_mpipe_link_t *link) | |
565 | { | |
566 | return gxio_mpipe_link_close_aux(link->context, link->mac); | |
567 | } | |
568 | ||
569 | EXPORT_SYMBOL_GPL(gxio_mpipe_link_close); | |
2628e8af CM |
570 | |
571 | int gxio_mpipe_link_set_attr(gxio_mpipe_link_t *link, uint32_t attr, | |
572 | int64_t val) | |
573 | { | |
574 | return gxio_mpipe_link_set_attr_aux(link->context, link->mac, attr, | |
575 | val); | |
576 | } | |
577 | ||
578 | EXPORT_SYMBOL_GPL(gxio_mpipe_link_set_attr); |