]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | /******************************************************************************* |
2 | ||
3 | Intel 10 Gigabit PCI Express Linux driver | |
4 | Copyright(c) 1999 - 2012 Intel Corporation. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "LICENSE.GPL". | |
21 | ||
22 | Contact Information: | |
23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
25 | ||
26 | *******************************************************************************/ | |
27 | ||
28 | #include "ixgbe.h" | |
29 | #include "kcompat.h" | |
30 | ||
31 | /*****************************************************************************/ | |
32 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,8) ) | |
33 | /* From lib/vsprintf.c */ | |
34 | #include <asm/div64.h> | |
35 | ||
36 | static int skip_atoi(const char **s) | |
37 | { | |
38 | int i=0; | |
39 | ||
40 | while (isdigit(**s)) | |
41 | i = i*10 + *((*s)++) - '0'; | |
42 | return i; | |
43 | } | |
44 | ||
45 | #define _kc_ZEROPAD 1 /* pad with zero */ | |
46 | #define _kc_SIGN 2 /* unsigned/signed long */ | |
47 | #define _kc_PLUS 4 /* show plus */ | |
48 | #define _kc_SPACE 8 /* space if plus */ | |
49 | #define _kc_LEFT 16 /* left justified */ | |
50 | #define _kc_SPECIAL 32 /* 0x */ | |
51 | #define _kc_LARGE 64 /* use 'ABCDEF' instead of 'abcdef' */ | |
52 | ||
53 | static char * number(char * buf, char * end, long long num, int base, int size, int precision, int type) | |
54 | { | |
55 | char c,sign,tmp[66]; | |
56 | const char *digits; | |
57 | const char small_digits[] = "0123456789abcdefghijklmnopqrstuvwxyz"; | |
58 | const char large_digits[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; | |
59 | int i; | |
60 | ||
61 | digits = (type & _kc_LARGE) ? large_digits : small_digits; | |
62 | if (type & _kc_LEFT) | |
63 | type &= ~_kc_ZEROPAD; | |
64 | if (base < 2 || base > 36) | |
65 | return 0; | |
66 | c = (type & _kc_ZEROPAD) ? '0' : ' '; | |
67 | sign = 0; | |
68 | if (type & _kc_SIGN) { | |
69 | if (num < 0) { | |
70 | sign = '-'; | |
71 | num = -num; | |
72 | size--; | |
73 | } else if (type & _kc_PLUS) { | |
74 | sign = '+'; | |
75 | size--; | |
76 | } else if (type & _kc_SPACE) { | |
77 | sign = ' '; | |
78 | size--; | |
79 | } | |
80 | } | |
81 | if (type & _kc_SPECIAL) { | |
82 | if (base == 16) | |
83 | size -= 2; | |
84 | else if (base == 8) | |
85 | size--; | |
86 | } | |
87 | i = 0; | |
88 | if (num == 0) | |
89 | tmp[i++]='0'; | |
90 | else while (num != 0) | |
91 | tmp[i++] = digits[do_div(num,base)]; | |
92 | if (i > precision) | |
93 | precision = i; | |
94 | size -= precision; | |
95 | if (!(type&(_kc_ZEROPAD+_kc_LEFT))) { | |
96 | while(size-->0) { | |
97 | if (buf <= end) | |
98 | *buf = ' '; | |
99 | ++buf; | |
100 | } | |
101 | } | |
102 | if (sign) { | |
103 | if (buf <= end) | |
104 | *buf = sign; | |
105 | ++buf; | |
106 | } | |
107 | if (type & _kc_SPECIAL) { | |
108 | if (base==8) { | |
109 | if (buf <= end) | |
110 | *buf = '0'; | |
111 | ++buf; | |
112 | } else if (base==16) { | |
113 | if (buf <= end) | |
114 | *buf = '0'; | |
115 | ++buf; | |
116 | if (buf <= end) | |
117 | *buf = digits[33]; | |
118 | ++buf; | |
119 | } | |
120 | } | |
121 | if (!(type & _kc_LEFT)) { | |
122 | while (size-- > 0) { | |
123 | if (buf <= end) | |
124 | *buf = c; | |
125 | ++buf; | |
126 | } | |
127 | } | |
128 | while (i < precision--) { | |
129 | if (buf <= end) | |
130 | *buf = '0'; | |
131 | ++buf; | |
132 | } | |
133 | while (i-- > 0) { | |
134 | if (buf <= end) | |
135 | *buf = tmp[i]; | |
136 | ++buf; | |
137 | } | |
138 | while (size-- > 0) { | |
139 | if (buf <= end) | |
140 | *buf = ' '; | |
141 | ++buf; | |
142 | } | |
143 | return buf; | |
144 | } | |
145 | ||
146 | int _kc_vsnprintf(char *buf, size_t size, const char *fmt, va_list args) | |
147 | { | |
148 | int len; | |
149 | unsigned long long num; | |
150 | int i, base; | |
151 | char *str, *end, c; | |
152 | const char *s; | |
153 | ||
154 | int flags; /* flags to number() */ | |
155 | ||
156 | int field_width; /* width of output field */ | |
157 | int precision; /* min. # of digits for integers; max | |
158 | number of chars for from string */ | |
159 | int qualifier; /* 'h', 'l', or 'L' for integer fields */ | |
160 | /* 'z' support added 23/7/1999 S.H. */ | |
161 | /* 'z' changed to 'Z' --davidm 1/25/99 */ | |
162 | ||
163 | str = buf; | |
164 | end = buf + size - 1; | |
165 | ||
166 | if (end < buf - 1) { | |
167 | end = ((void *) -1); | |
168 | size = end - buf + 1; | |
169 | } | |
170 | ||
171 | for (; *fmt ; ++fmt) { | |
172 | if (*fmt != '%') { | |
173 | if (str <= end) | |
174 | *str = *fmt; | |
175 | ++str; | |
176 | continue; | |
177 | } | |
178 | ||
179 | /* process flags */ | |
180 | flags = 0; | |
181 | repeat: | |
182 | ++fmt; /* this also skips first '%' */ | |
183 | switch (*fmt) { | |
184 | case '-': flags |= _kc_LEFT; goto repeat; | |
185 | case '+': flags |= _kc_PLUS; goto repeat; | |
186 | case ' ': flags |= _kc_SPACE; goto repeat; | |
187 | case '#': flags |= _kc_SPECIAL; goto repeat; | |
188 | case '0': flags |= _kc_ZEROPAD; goto repeat; | |
189 | } | |
190 | ||
191 | /* get field width */ | |
192 | field_width = -1; | |
193 | if (isdigit(*fmt)) | |
194 | field_width = skip_atoi(&fmt); | |
195 | else if (*fmt == '*') { | |
196 | ++fmt; | |
197 | /* it's the next argument */ | |
198 | field_width = va_arg(args, int); | |
199 | if (field_width < 0) { | |
200 | field_width = -field_width; | |
201 | flags |= _kc_LEFT; | |
202 | } | |
203 | } | |
204 | ||
205 | /* get the precision */ | |
206 | precision = -1; | |
207 | if (*fmt == '.') { | |
208 | ++fmt; | |
209 | if (isdigit(*fmt)) | |
210 | precision = skip_atoi(&fmt); | |
211 | else if (*fmt == '*') { | |
212 | ++fmt; | |
213 | /* it's the next argument */ | |
214 | precision = va_arg(args, int); | |
215 | } | |
216 | if (precision < 0) | |
217 | precision = 0; | |
218 | } | |
219 | ||
220 | /* get the conversion qualifier */ | |
221 | qualifier = -1; | |
222 | if (*fmt == 'h' || *fmt == 'l' || *fmt == 'L' || *fmt =='Z') { | |
223 | qualifier = *fmt; | |
224 | ++fmt; | |
225 | } | |
226 | ||
227 | /* default base */ | |
228 | base = 10; | |
229 | ||
230 | switch (*fmt) { | |
231 | case 'c': | |
232 | if (!(flags & _kc_LEFT)) { | |
233 | while (--field_width > 0) { | |
234 | if (str <= end) | |
235 | *str = ' '; | |
236 | ++str; | |
237 | } | |
238 | } | |
239 | c = (unsigned char) va_arg(args, int); | |
240 | if (str <= end) | |
241 | *str = c; | |
242 | ++str; | |
243 | while (--field_width > 0) { | |
244 | if (str <= end) | |
245 | *str = ' '; | |
246 | ++str; | |
247 | } | |
248 | continue; | |
249 | ||
250 | case 's': | |
251 | s = va_arg(args, char *); | |
252 | if (!s) | |
253 | s = "<NULL>"; | |
254 | ||
255 | len = strnlen(s, precision); | |
256 | ||
257 | if (!(flags & _kc_LEFT)) { | |
258 | while (len < field_width--) { | |
259 | if (str <= end) | |
260 | *str = ' '; | |
261 | ++str; | |
262 | } | |
263 | } | |
264 | for (i = 0; i < len; ++i) { | |
265 | if (str <= end) | |
266 | *str = *s; | |
267 | ++str; ++s; | |
268 | } | |
269 | while (len < field_width--) { | |
270 | if (str <= end) | |
271 | *str = ' '; | |
272 | ++str; | |
273 | } | |
274 | continue; | |
275 | ||
276 | case 'p': | |
277 | if (field_width == -1) { | |
278 | field_width = 2*sizeof(void *); | |
279 | flags |= _kc_ZEROPAD; | |
280 | } | |
281 | str = number(str, end, | |
282 | (unsigned long) va_arg(args, void *), | |
283 | 16, field_width, precision, flags); | |
284 | continue; | |
285 | ||
286 | ||
287 | case 'n': | |
288 | /* FIXME: | |
289 | * What does C99 say about the overflow case here? */ | |
290 | if (qualifier == 'l') { | |
291 | long * ip = va_arg(args, long *); | |
292 | *ip = (str - buf); | |
293 | } else if (qualifier == 'Z') { | |
294 | size_t * ip = va_arg(args, size_t *); | |
295 | *ip = (str - buf); | |
296 | } else { | |
297 | int * ip = va_arg(args, int *); | |
298 | *ip = (str - buf); | |
299 | } | |
300 | continue; | |
301 | ||
302 | case '%': | |
303 | if (str <= end) | |
304 | *str = '%'; | |
305 | ++str; | |
306 | continue; | |
307 | ||
308 | /* integer number formats - set up the flags and "break" */ | |
309 | case 'o': | |
310 | base = 8; | |
311 | break; | |
312 | ||
313 | case 'X': | |
314 | flags |= _kc_LARGE; | |
315 | case 'x': | |
316 | base = 16; | |
317 | break; | |
318 | ||
319 | case 'd': | |
320 | case 'i': | |
321 | flags |= _kc_SIGN; | |
322 | case 'u': | |
323 | break; | |
324 | ||
325 | default: | |
326 | if (str <= end) | |
327 | *str = '%'; | |
328 | ++str; | |
329 | if (*fmt) { | |
330 | if (str <= end) | |
331 | *str = *fmt; | |
332 | ++str; | |
333 | } else { | |
334 | --fmt; | |
335 | } | |
336 | continue; | |
337 | } | |
338 | if (qualifier == 'L') | |
339 | num = va_arg(args, long long); | |
340 | else if (qualifier == 'l') { | |
341 | num = va_arg(args, unsigned long); | |
342 | if (flags & _kc_SIGN) | |
343 | num = (signed long) num; | |
344 | } else if (qualifier == 'Z') { | |
345 | num = va_arg(args, size_t); | |
346 | } else if (qualifier == 'h') { | |
347 | num = (unsigned short) va_arg(args, int); | |
348 | if (flags & _kc_SIGN) | |
349 | num = (signed short) num; | |
350 | } else { | |
351 | num = va_arg(args, unsigned int); | |
352 | if (flags & _kc_SIGN) | |
353 | num = (signed int) num; | |
354 | } | |
355 | str = number(str, end, num, base, | |
356 | field_width, precision, flags); | |
357 | } | |
358 | if (str <= end) | |
359 | *str = '\0'; | |
360 | else if (size > 0) | |
361 | /* don't write out a null byte if the buf size is zero */ | |
362 | *end = '\0'; | |
363 | /* the trailing null byte doesn't count towards the total | |
364 | * ++str; | |
365 | */ | |
366 | return str-buf; | |
367 | } | |
368 | ||
369 | int _kc_snprintf(char * buf, size_t size, const char *fmt, ...) | |
370 | { | |
371 | va_list args; | |
372 | int i; | |
373 | ||
374 | va_start(args, fmt); | |
375 | i = _kc_vsnprintf(buf,size,fmt,args); | |
376 | va_end(args); | |
377 | return i; | |
378 | } | |
379 | #endif /* < 2.4.8 */ | |
380 | ||
381 | ||
382 | ||
383 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0) ) | |
384 | #ifdef CONFIG_PCI_IOV | |
385 | int __kc_pci_vfs_assigned(struct pci_dev *dev) | |
386 | { | |
387 | unsigned int vfs_assigned = 0; | |
388 | #ifdef HAVE_PCI_DEV_FLAGS_ASSIGNED | |
389 | int pos; | |
390 | struct pci_dev *vfdev; | |
391 | unsigned short dev_id; | |
392 | ||
393 | /* only search if we are a PF */ | |
394 | if (!dev->is_physfn) | |
395 | return 0; | |
396 | ||
397 | /* find SR-IOV capability */ | |
398 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); | |
399 | if (!pos) | |
400 | return 0; | |
401 | ||
402 | /* | |
403 | * * determine the device ID for the VFs, the vendor ID will be the | |
404 | * * same as the PF so there is no need to check for that one | |
405 | * */ | |
406 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_DID, &dev_id); | |
407 | ||
408 | /* loop through all the VFs to see if we own any that are assigned */ | |
409 | vfdev = pci_get_device(dev->vendor, dev_id, NULL); | |
410 | while (vfdev) { | |
411 | /* | |
412 | * * It is considered assigned if it is a virtual function with | |
413 | * * our dev as the physical function and the assigned bit is set | |
414 | * */ | |
415 | if (vfdev->is_virtfn && (vfdev->physfn == dev) && | |
416 | (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED)) | |
417 | vfs_assigned++; | |
418 | ||
419 | vfdev = pci_get_device(dev->vendor, dev_id, vfdev); | |
420 | } | |
421 | ||
422 | #endif /* HAVE_PCI_DEV_FLAGS_ASSIGNED */ | |
423 | return vfs_assigned; | |
424 | } | |
425 | ||
426 | #endif /* CONFIG_PCI_IOV */ | |
427 | #endif /* 3.10.0 */ | |
428 | ||
429 | ||
430 | ||
431 | /*****************************************************************************/ | |
432 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,13) ) | |
433 | ||
434 | /**************************************/ | |
435 | /* PCI DMA MAPPING */ | |
436 | ||
437 | #if defined(CONFIG_HIGHMEM) | |
438 | ||
439 | #ifndef PCI_DRAM_OFFSET | |
440 | #define PCI_DRAM_OFFSET 0 | |
441 | #endif | |
442 | ||
443 | u64 | |
444 | _kc_pci_map_page(struct pci_dev *dev, struct page *page, unsigned long offset, | |
445 | size_t size, int direction) | |
446 | { | |
447 | return ((u64) (page - mem_map) << PAGE_SHIFT) + offset + | |
448 | PCI_DRAM_OFFSET; | |
449 | } | |
450 | ||
451 | #else /* CONFIG_HIGHMEM */ | |
452 | ||
453 | u64 | |
454 | _kc_pci_map_page(struct pci_dev *dev, struct page *page, unsigned long offset, | |
455 | size_t size, int direction) | |
456 | { | |
457 | return pci_map_single(dev, (void *)page_address(page) + offset, size, | |
458 | direction); | |
459 | } | |
460 | ||
461 | #endif /* CONFIG_HIGHMEM */ | |
462 | ||
463 | void | |
464 | _kc_pci_unmap_page(struct pci_dev *dev, u64 dma_addr, size_t size, | |
465 | int direction) | |
466 | { | |
467 | return pci_unmap_single(dev, dma_addr, size, direction); | |
468 | } | |
469 | ||
470 | #endif /* 2.4.13 => 2.4.3 */ | |
471 | ||
472 | /*****************************************************************************/ | |
473 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3) ) | |
474 | ||
475 | /**************************************/ | |
476 | /* PCI DRIVER API */ | |
477 | ||
478 | int | |
479 | _kc_pci_set_dma_mask(struct pci_dev *dev, dma_addr_t mask) | |
480 | { | |
481 | if (!pci_dma_supported(dev, mask)) | |
482 | return -EIO; | |
483 | dev->dma_mask = mask; | |
484 | return 0; | |
485 | } | |
486 | ||
487 | int | |
488 | _kc_pci_request_regions(struct pci_dev *dev, char *res_name) | |
489 | { | |
490 | int i; | |
491 | ||
492 | for (i = 0; i < 6; i++) { | |
493 | if (pci_resource_len(dev, i) == 0) | |
494 | continue; | |
495 | ||
496 | if (pci_resource_flags(dev, i) & IORESOURCE_IO) { | |
497 | if (!request_region(pci_resource_start(dev, i), pci_resource_len(dev, i), res_name)) { | |
498 | pci_release_regions(dev); | |
499 | return -EBUSY; | |
500 | } | |
501 | } else if (pci_resource_flags(dev, i) & IORESOURCE_MEM) { | |
502 | if (!request_mem_region(pci_resource_start(dev, i), pci_resource_len(dev, i), res_name)) { | |
503 | pci_release_regions(dev); | |
504 | return -EBUSY; | |
505 | } | |
506 | } | |
507 | } | |
508 | return 0; | |
509 | } | |
510 | ||
511 | void | |
512 | _kc_pci_release_regions(struct pci_dev *dev) | |
513 | { | |
514 | int i; | |
515 | ||
516 | for (i = 0; i < 6; i++) { | |
517 | if (pci_resource_len(dev, i) == 0) | |
518 | continue; | |
519 | ||
520 | if (pci_resource_flags(dev, i) & IORESOURCE_IO) | |
521 | release_region(pci_resource_start(dev, i), pci_resource_len(dev, i)); | |
522 | ||
523 | else if (pci_resource_flags(dev, i) & IORESOURCE_MEM) | |
524 | release_mem_region(pci_resource_start(dev, i), pci_resource_len(dev, i)); | |
525 | } | |
526 | } | |
527 | ||
528 | /**************************************/ | |
529 | /* NETWORK DRIVER API */ | |
530 | ||
531 | struct net_device * | |
532 | _kc_alloc_etherdev(int sizeof_priv) | |
533 | { | |
534 | struct net_device *dev; | |
535 | int alloc_size; | |
536 | ||
537 | alloc_size = sizeof(*dev) + sizeof_priv + IFNAMSIZ + 31; | |
538 | dev = kzalloc(alloc_size, GFP_KERNEL); | |
539 | if (!dev) | |
540 | return NULL; | |
541 | ||
542 | if (sizeof_priv) | |
543 | dev->priv = (void *) (((unsigned long)(dev + 1) + 31) & ~31); | |
544 | dev->name[0] = '\0'; | |
545 | ether_setup(dev); | |
546 | ||
547 | return dev; | |
548 | } | |
549 | ||
550 | int | |
551 | _kc_is_valid_ether_addr(u8 *addr) | |
552 | { | |
553 | const char zaddr[6] = { 0, }; | |
554 | ||
555 | return !(addr[0] & 1) && memcmp(addr, zaddr, 6); | |
556 | } | |
557 | ||
558 | #endif /* 2.4.3 => 2.4.0 */ | |
559 | ||
560 | /*****************************************************************************/ | |
561 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,6) ) | |
562 | ||
563 | int | |
564 | _kc_pci_set_power_state(struct pci_dev *dev, int state) | |
565 | { | |
566 | return 0; | |
567 | } | |
568 | ||
569 | int | |
570 | _kc_pci_enable_wake(struct pci_dev *pdev, u32 state, int enable) | |
571 | { | |
572 | return 0; | |
573 | } | |
574 | ||
575 | #endif /* 2.4.6 => 2.4.3 */ | |
576 | ||
577 | /*****************************************************************************/ | |
578 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) ) | |
579 | void _kc_skb_fill_page_desc(struct sk_buff *skb, int i, struct page *page, | |
580 | int off, int size) | |
581 | { | |
582 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
583 | frag->page = page; | |
584 | frag->page_offset = off; | |
585 | frag->size = size; | |
586 | skb_shinfo(skb)->nr_frags = i + 1; | |
587 | } | |
588 | ||
589 | /* | |
590 | * Original Copyright: | |
591 | * find_next_bit.c: fallback find next bit implementation | |
592 | * | |
593 | * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved. | |
594 | * Written by David Howells (dhowells@redhat.com) | |
595 | */ | |
596 | ||
597 | /** | |
598 | * find_next_bit - find the next set bit in a memory region | |
599 | * @addr: The address to base the search on | |
600 | * @offset: The bitnumber to start searching at | |
601 | * @size: The maximum size to search | |
602 | */ | |
603 | unsigned long find_next_bit(const unsigned long *addr, unsigned long size, | |
604 | unsigned long offset) | |
605 | { | |
606 | const unsigned long *p = addr + BITOP_WORD(offset); | |
607 | unsigned long result = offset & ~(BITS_PER_LONG-1); | |
608 | unsigned long tmp; | |
609 | ||
610 | if (offset >= size) | |
611 | return size; | |
612 | size -= result; | |
613 | offset %= BITS_PER_LONG; | |
614 | if (offset) { | |
615 | tmp = *(p++); | |
616 | tmp &= (~0UL << offset); | |
617 | if (size < BITS_PER_LONG) | |
618 | goto found_first; | |
619 | if (tmp) | |
620 | goto found_middle; | |
621 | size -= BITS_PER_LONG; | |
622 | result += BITS_PER_LONG; | |
623 | } | |
624 | while (size & ~(BITS_PER_LONG-1)) { | |
625 | if ((tmp = *(p++))) | |
626 | goto found_middle; | |
627 | result += BITS_PER_LONG; | |
628 | size -= BITS_PER_LONG; | |
629 | } | |
630 | if (!size) | |
631 | return result; | |
632 | tmp = *p; | |
633 | ||
634 | found_first: | |
635 | tmp &= (~0UL >> (BITS_PER_LONG - size)); | |
636 | if (tmp == 0UL) /* Are any bits set? */ | |
637 | return result + size; /* Nope. */ | |
638 | found_middle: | |
639 | return result + ffs(tmp); | |
640 | } | |
641 | ||
642 | size_t _kc_strlcpy(char *dest, const char *src, size_t size) | |
643 | { | |
644 | size_t ret = strlen(src); | |
645 | ||
646 | if (size) { | |
647 | size_t len = (ret >= size) ? size - 1 : ret; | |
648 | memcpy(dest, src, len); | |
649 | dest[len] = '\0'; | |
650 | } | |
651 | return ret; | |
652 | } | |
653 | ||
654 | #endif /* 2.6.0 => 2.4.6 */ | |
655 | ||
656 | /*****************************************************************************/ | |
657 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) ) | |
658 | int _kc_scnprintf(char * buf, size_t size, const char *fmt, ...) | |
659 | { | |
660 | va_list args; | |
661 | int i; | |
662 | ||
663 | va_start(args, fmt); | |
664 | i = vsnprintf(buf, size, fmt, args); | |
665 | va_end(args); | |
666 | return (i >= size) ? (size - 1) : i; | |
667 | } | |
668 | #endif /* < 2.6.4 */ | |
669 | ||
670 | /*****************************************************************************/ | |
671 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) ) | |
672 | DECLARE_BITMAP(_kcompat_node_online_map, MAX_NUMNODES) = {1}; | |
673 | #endif /* < 2.6.10 */ | |
674 | ||
675 | /*****************************************************************************/ | |
676 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) ) | |
677 | char *_kc_kstrdup(const char *s, unsigned int gfp) | |
678 | { | |
679 | size_t len; | |
680 | char *buf; | |
681 | ||
682 | if (!s) | |
683 | return NULL; | |
684 | ||
685 | len = strlen(s) + 1; | |
686 | buf = kmalloc(len, gfp); | |
687 | if (buf) | |
688 | memcpy(buf, s, len); | |
689 | return buf; | |
690 | } | |
691 | #endif /* < 2.6.13 */ | |
692 | ||
693 | /*****************************************************************************/ | |
694 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14) ) | |
695 | void *_kc_kzalloc(size_t size, int flags) | |
696 | { | |
697 | void *ret = kmalloc(size, flags); | |
698 | if (ret) | |
699 | memset(ret, 0, size); | |
700 | return ret; | |
701 | } | |
702 | #endif /* <= 2.6.13 */ | |
703 | ||
704 | /*****************************************************************************/ | |
705 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) ) | |
706 | int _kc_skb_pad(struct sk_buff *skb, int pad) | |
707 | { | |
708 | int ntail; | |
709 | ||
710 | /* If the skbuff is non linear tailroom is always zero.. */ | |
711 | if(!skb_cloned(skb) && skb_tailroom(skb) >= pad) { | |
712 | memset(skb->data+skb->len, 0, pad); | |
713 | return 0; | |
714 | } | |
715 | ||
716 | ntail = skb->data_len + pad - (skb->end - skb->tail); | |
717 | if (likely(skb_cloned(skb) || ntail > 0)) { | |
718 | if (pskb_expand_head(skb, 0, ntail, GFP_ATOMIC)); | |
719 | goto free_skb; | |
720 | } | |
721 | ||
722 | #ifdef MAX_SKB_FRAGS | |
723 | if (skb_is_nonlinear(skb) && | |
724 | !__pskb_pull_tail(skb, skb->data_len)) | |
725 | goto free_skb; | |
726 | ||
727 | #endif | |
728 | memset(skb->data + skb->len, 0, pad); | |
729 | return 0; | |
730 | ||
731 | free_skb: | |
732 | kfree_skb(skb); | |
733 | return -ENOMEM; | |
734 | } | |
735 | ||
736 | #if (!(RHEL_RELEASE_CODE && RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(5,4))) | |
737 | int _kc_pci_save_state(struct pci_dev *pdev) | |
738 | { | |
739 | struct adapter_struct *adapter = pci_get_drvdata(pdev); | |
740 | int size = PCI_CONFIG_SPACE_LEN, i; | |
741 | u16 pcie_cap_offset, pcie_link_status; | |
742 | ||
743 | #if ( LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) ) | |
744 | /* no ->dev for 2.4 kernels */ | |
745 | WARN_ON(pdev->dev.driver_data == NULL); | |
746 | #endif | |
747 | pcie_cap_offset = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
748 | if (pcie_cap_offset) { | |
749 | if (!pci_read_config_word(pdev, | |
750 | pcie_cap_offset + PCIE_LINK_STATUS, | |
751 | &pcie_link_status)) | |
752 | size = PCIE_CONFIG_SPACE_LEN; | |
753 | } | |
754 | pci_config_space_ich8lan(); | |
755 | #ifdef HAVE_PCI_ERS | |
756 | if (adapter->config_space == NULL) | |
757 | #else | |
758 | WARN_ON(adapter->config_space != NULL); | |
759 | #endif | |
760 | adapter->config_space = kmalloc(size, GFP_KERNEL); | |
761 | if (!adapter->config_space) { | |
762 | printk(KERN_ERR "Out of memory in pci_save_state\n"); | |
763 | return -ENOMEM; | |
764 | } | |
765 | for (i = 0; i < (size / 4); i++) | |
766 | pci_read_config_dword(pdev, i * 4, &adapter->config_space[i]); | |
767 | return 0; | |
768 | } | |
769 | ||
770 | void _kc_pci_restore_state(struct pci_dev *pdev) | |
771 | { | |
772 | struct adapter_struct *adapter = pci_get_drvdata(pdev); | |
773 | int size = PCI_CONFIG_SPACE_LEN, i; | |
774 | u16 pcie_cap_offset; | |
775 | u16 pcie_link_status; | |
776 | ||
777 | if (adapter->config_space != NULL) { | |
778 | pcie_cap_offset = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
779 | if (pcie_cap_offset && | |
780 | !pci_read_config_word(pdev, | |
781 | pcie_cap_offset + PCIE_LINK_STATUS, | |
782 | &pcie_link_status)) | |
783 | size = PCIE_CONFIG_SPACE_LEN; | |
784 | ||
785 | pci_config_space_ich8lan(); | |
786 | for (i = 0; i < (size / 4); i++) | |
787 | pci_write_config_dword(pdev, i * 4, adapter->config_space[i]); | |
788 | #ifndef HAVE_PCI_ERS | |
789 | kfree(adapter->config_space); | |
790 | adapter->config_space = NULL; | |
791 | #endif | |
792 | } | |
793 | } | |
794 | #endif /* !(RHEL_RELEASE_CODE >= RHEL 5.4) */ | |
795 | ||
796 | #ifdef HAVE_PCI_ERS | |
797 | void _kc_free_netdev(struct net_device *netdev) | |
798 | { | |
799 | struct adapter_struct *adapter = netdev_priv(netdev); | |
800 | ||
801 | if (adapter->config_space != NULL) | |
802 | kfree(adapter->config_space); | |
803 | #ifdef CONFIG_SYSFS | |
804 | if (netdev->reg_state == NETREG_UNINITIALIZED) { | |
805 | kfree((char *)netdev - netdev->padded); | |
806 | } else { | |
807 | BUG_ON(netdev->reg_state != NETREG_UNREGISTERED); | |
808 | netdev->reg_state = NETREG_RELEASED; | |
809 | class_device_put(&netdev->class_dev); | |
810 | } | |
811 | #else | |
812 | kfree((char *)netdev - netdev->padded); | |
813 | #endif | |
814 | } | |
815 | #endif | |
816 | ||
817 | void *_kc_kmemdup(const void *src, size_t len, unsigned gfp) | |
818 | { | |
819 | void *p; | |
820 | ||
821 | p = kzalloc(len, gfp); | |
822 | if (p) | |
823 | memcpy(p, src, len); | |
824 | return p; | |
825 | } | |
826 | #endif /* <= 2.6.19 */ | |
827 | ||
828 | /*****************************************************************************/ | |
829 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) ) | |
830 | /* hexdump code taken from lib/hexdump.c */ | |
831 | static void _kc_hex_dump_to_buffer(const void *buf, size_t len, int rowsize, | |
832 | int groupsize, unsigned char *linebuf, | |
833 | size_t linebuflen, bool ascii) | |
834 | { | |
835 | const u8 *ptr = buf; | |
836 | u8 ch; | |
837 | int j, lx = 0; | |
838 | int ascii_column; | |
839 | ||
840 | if (rowsize != 16 && rowsize != 32) | |
841 | rowsize = 16; | |
842 | ||
843 | if (!len) | |
844 | goto nil; | |
845 | if (len > rowsize) /* limit to one line at a time */ | |
846 | len = rowsize; | |
847 | if ((len % groupsize) != 0) /* no mixed size output */ | |
848 | groupsize = 1; | |
849 | ||
850 | switch (groupsize) { | |
851 | case 8: { | |
852 | const u64 *ptr8 = buf; | |
853 | int ngroups = len / groupsize; | |
854 | ||
855 | for (j = 0; j < ngroups; j++) | |
856 | lx += scnprintf((char *)(linebuf + lx), linebuflen - lx, | |
857 | "%s%16.16llx", j ? " " : "", | |
858 | (unsigned long long)*(ptr8 + j)); | |
859 | ascii_column = 17 * ngroups + 2; | |
860 | break; | |
861 | } | |
862 | ||
863 | case 4: { | |
864 | const u32 *ptr4 = buf; | |
865 | int ngroups = len / groupsize; | |
866 | ||
867 | for (j = 0; j < ngroups; j++) | |
868 | lx += scnprintf((char *)(linebuf + lx), linebuflen - lx, | |
869 | "%s%8.8x", j ? " " : "", *(ptr4 + j)); | |
870 | ascii_column = 9 * ngroups + 2; | |
871 | break; | |
872 | } | |
873 | ||
874 | case 2: { | |
875 | const u16 *ptr2 = buf; | |
876 | int ngroups = len / groupsize; | |
877 | ||
878 | for (j = 0; j < ngroups; j++) | |
879 | lx += scnprintf((char *)(linebuf + lx), linebuflen - lx, | |
880 | "%s%4.4x", j ? " " : "", *(ptr2 + j)); | |
881 | ascii_column = 5 * ngroups + 2; | |
882 | break; | |
883 | } | |
884 | ||
885 | default: | |
886 | for (j = 0; (j < len) && (lx + 3) <= linebuflen; j++) { | |
887 | ch = ptr[j]; | |
888 | linebuf[lx++] = hex_asc(ch >> 4); | |
889 | linebuf[lx++] = hex_asc(ch & 0x0f); | |
890 | linebuf[lx++] = ' '; | |
891 | } | |
892 | if (j) | |
893 | lx--; | |
894 | ||
895 | ascii_column = 3 * rowsize + 2; | |
896 | break; | |
897 | } | |
898 | if (!ascii) | |
899 | goto nil; | |
900 | ||
901 | while (lx < (linebuflen - 1) && lx < (ascii_column - 1)) | |
902 | linebuf[lx++] = ' '; | |
903 | for (j = 0; (j < len) && (lx + 2) < linebuflen; j++) | |
904 | linebuf[lx++] = (isascii(ptr[j]) && isprint(ptr[j])) ? ptr[j] | |
905 | : '.'; | |
906 | nil: | |
907 | linebuf[lx++] = '\0'; | |
908 | } | |
909 | ||
910 | void _kc_print_hex_dump(const char *level, | |
911 | const char *prefix_str, int prefix_type, | |
912 | int rowsize, int groupsize, | |
913 | const void *buf, size_t len, bool ascii) | |
914 | { | |
915 | const u8 *ptr = buf; | |
916 | int i, linelen, remaining = len; | |
917 | unsigned char linebuf[200]; | |
918 | ||
919 | if (rowsize != 16 && rowsize != 32) | |
920 | rowsize = 16; | |
921 | ||
922 | for (i = 0; i < len; i += rowsize) { | |
923 | linelen = min(remaining, rowsize); | |
924 | remaining -= rowsize; | |
925 | _kc_hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize, | |
926 | linebuf, sizeof(linebuf), ascii); | |
927 | ||
928 | switch (prefix_type) { | |
929 | case DUMP_PREFIX_ADDRESS: | |
930 | printk("%s%s%*p: %s\n", level, prefix_str, | |
931 | (int)(2 * sizeof(void *)), ptr + i, linebuf); | |
932 | break; | |
933 | case DUMP_PREFIX_OFFSET: | |
934 | printk("%s%s%.8x: %s\n", level, prefix_str, i, linebuf); | |
935 | break; | |
936 | default: | |
937 | printk("%s%s%s\n", level, prefix_str, linebuf); | |
938 | break; | |
939 | } | |
940 | } | |
941 | } | |
942 | #endif /* < 2.6.22 */ | |
943 | ||
944 | /*****************************************************************************/ | |
945 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) ) | |
946 | int ixgbe_dcb_netlink_register(void) | |
947 | { | |
948 | return 0; | |
949 | } | |
950 | ||
951 | int ixgbe_dcb_netlink_unregister(void) | |
952 | { | |
953 | return 0; | |
954 | } | |
955 | ||
956 | int ixgbe_copy_dcb_cfg(struct ixgbe_adapter *adapter, int tc_max) | |
957 | { | |
958 | return 0; | |
959 | } | |
960 | #endif /* < 2.6.23 */ | |
961 | ||
962 | /*****************************************************************************/ | |
963 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) ) | |
964 | #ifdef NAPI | |
965 | struct net_device *napi_to_poll_dev(struct napi_struct *napi) | |
966 | { | |
967 | struct adapter_q_vector *q_vector = container_of(napi, | |
968 | struct adapter_q_vector, | |
969 | napi); | |
970 | return &q_vector->poll_dev; | |
971 | } | |
972 | ||
973 | int __kc_adapter_clean(struct net_device *netdev, int *budget) | |
974 | { | |
975 | int work_done; | |
976 | int work_to_do = min(*budget, netdev->quota); | |
977 | /* kcompat.h netif_napi_add puts napi struct in "fake netdev->priv" */ | |
978 | struct napi_struct *napi = netdev->priv; | |
979 | work_done = napi->poll(napi, work_to_do); | |
980 | *budget -= work_done; | |
981 | netdev->quota -= work_done; | |
982 | return (work_done >= work_to_do) ? 1 : 0; | |
983 | } | |
984 | #endif /* NAPI */ | |
985 | #endif /* <= 2.6.24 */ | |
986 | ||
987 | /*****************************************************************************/ | |
988 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) ) | |
989 | void _kc_pci_disable_link_state(struct pci_dev *pdev, int state) | |
990 | { | |
991 | struct pci_dev *parent = pdev->bus->self; | |
992 | u16 link_state; | |
993 | int pos; | |
994 | ||
995 | if (!parent) | |
996 | return; | |
997 | ||
998 | pos = pci_find_capability(parent, PCI_CAP_ID_EXP); | |
999 | if (pos) { | |
1000 | pci_read_config_word(parent, pos + PCI_EXP_LNKCTL, &link_state); | |
1001 | link_state &= ~state; | |
1002 | pci_write_config_word(parent, pos + PCI_EXP_LNKCTL, link_state); | |
1003 | } | |
1004 | } | |
1005 | #endif /* < 2.6.26 */ | |
1006 | ||
1007 | /*****************************************************************************/ | |
1008 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) ) | |
1009 | #ifdef HAVE_TX_MQ | |
1010 | void _kc_netif_tx_stop_all_queues(struct net_device *netdev) | |
1011 | { | |
1012 | struct adapter_struct *adapter = netdev_priv(netdev); | |
1013 | int i; | |
1014 | ||
1015 | netif_stop_queue(netdev); | |
1016 | if (netif_is_multiqueue(netdev)) | |
1017 | for (i = 0; i < adapter->num_tx_queues; i++) | |
1018 | netif_stop_subqueue(netdev, i); | |
1019 | } | |
1020 | void _kc_netif_tx_wake_all_queues(struct net_device *netdev) | |
1021 | { | |
1022 | struct adapter_struct *adapter = netdev_priv(netdev); | |
1023 | int i; | |
1024 | ||
1025 | netif_wake_queue(netdev); | |
1026 | if (netif_is_multiqueue(netdev)) | |
1027 | for (i = 0; i < adapter->num_tx_queues; i++) | |
1028 | netif_wake_subqueue(netdev, i); | |
1029 | } | |
1030 | void _kc_netif_tx_start_all_queues(struct net_device *netdev) | |
1031 | { | |
1032 | struct adapter_struct *adapter = netdev_priv(netdev); | |
1033 | int i; | |
1034 | ||
1035 | netif_start_queue(netdev); | |
1036 | if (netif_is_multiqueue(netdev)) | |
1037 | for (i = 0; i < adapter->num_tx_queues; i++) | |
1038 | netif_start_subqueue(netdev, i); | |
1039 | } | |
1040 | #endif /* HAVE_TX_MQ */ | |
1041 | ||
1042 | #ifndef __WARN_printf | |
1043 | void __kc_warn_slowpath(const char *file, int line, const char *fmt, ...) | |
1044 | { | |
1045 | va_list args; | |
1046 | ||
1047 | printk(KERN_WARNING "------------[ cut here ]------------\n"); | |
1048 | printk(KERN_WARNING "WARNING: at %s:%d %s()\n", file, line); | |
1049 | va_start(args, fmt); | |
1050 | vprintk(fmt, args); | |
1051 | va_end(args); | |
1052 | ||
1053 | dump_stack(); | |
1054 | } | |
1055 | #endif /* __WARN_printf */ | |
1056 | #endif /* < 2.6.27 */ | |
1057 | ||
1058 | /*****************************************************************************/ | |
1059 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) ) | |
1060 | ||
1061 | int | |
1062 | _kc_pci_prepare_to_sleep(struct pci_dev *dev) | |
1063 | { | |
1064 | pci_power_t target_state; | |
1065 | int error; | |
1066 | ||
1067 | target_state = pci_choose_state(dev, PMSG_SUSPEND); | |
1068 | ||
1069 | pci_enable_wake(dev, target_state, true); | |
1070 | ||
1071 | error = pci_set_power_state(dev, target_state); | |
1072 | ||
1073 | if (error) | |
1074 | pci_enable_wake(dev, target_state, false); | |
1075 | ||
1076 | return error; | |
1077 | } | |
1078 | ||
1079 | int | |
1080 | _kc_pci_wake_from_d3(struct pci_dev *dev, bool enable) | |
1081 | { | |
1082 | int err; | |
1083 | ||
1084 | err = pci_enable_wake(dev, PCI_D3cold, enable); | |
1085 | if (err) | |
1086 | goto out; | |
1087 | ||
1088 | err = pci_enable_wake(dev, PCI_D3hot, enable); | |
1089 | ||
1090 | out: | |
1091 | return err; | |
1092 | } | |
1093 | #endif /* < 2.6.28 */ | |
1094 | ||
1095 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0) ) | |
1096 | void _kc_skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page, | |
1097 | int off, int size) | |
1098 | { | |
1099 | skb_fill_page_desc(skb, i, page, off, size); | |
1100 | skb->len += size; | |
1101 | skb->data_len += size; | |
1102 | skb->truesize += size; | |
1103 | } | |
1104 | #endif /* < 3.4.0 */ | |
1105 | ||
1106 | /*****************************************************************************/ | |
1107 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) ) | |
1108 | #ifdef HAVE_NETDEV_SELECT_QUEUE | |
1109 | #include <net/ip.h> | |
1110 | static u32 _kc_simple_tx_hashrnd; | |
1111 | static u32 _kc_simple_tx_hashrnd_initialized; | |
1112 | ||
1113 | u16 _kc_skb_tx_hash(struct net_device *dev, struct sk_buff *skb) | |
1114 | { | |
1115 | u32 addr1, addr2, ports; | |
1116 | u32 hash, ihl; | |
1117 | u8 ip_proto = 0; | |
1118 | ||
1119 | if (unlikely(!_kc_simple_tx_hashrnd_initialized)) { | |
1120 | get_random_bytes(&_kc_simple_tx_hashrnd, 4); | |
1121 | _kc_simple_tx_hashrnd_initialized = 1; | |
1122 | } | |
1123 | ||
1124 | switch (skb->protocol) { | |
1125 | case htons(ETH_P_IP): | |
1126 | if (!(ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET))) | |
1127 | ip_proto = ip_hdr(skb)->protocol; | |
1128 | addr1 = ip_hdr(skb)->saddr; | |
1129 | addr2 = ip_hdr(skb)->daddr; | |
1130 | ihl = ip_hdr(skb)->ihl; | |
1131 | break; | |
1132 | #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) | |
1133 | case htons(ETH_P_IPV6): | |
1134 | ip_proto = ipv6_hdr(skb)->nexthdr; | |
1135 | addr1 = ipv6_hdr(skb)->saddr.s6_addr32[3]; | |
1136 | addr2 = ipv6_hdr(skb)->daddr.s6_addr32[3]; | |
1137 | ihl = (40 >> 2); | |
1138 | break; | |
1139 | #endif | |
1140 | default: | |
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | ||
1145 | switch (ip_proto) { | |
1146 | case IPPROTO_TCP: | |
1147 | case IPPROTO_UDP: | |
1148 | case IPPROTO_DCCP: | |
1149 | case IPPROTO_ESP: | |
1150 | case IPPROTO_AH: | |
1151 | case IPPROTO_SCTP: | |
1152 | case IPPROTO_UDPLITE: | |
1153 | ports = *((u32 *) (skb_network_header(skb) + (ihl * 4))); | |
1154 | break; | |
1155 | ||
1156 | default: | |
1157 | ports = 0; | |
1158 | break; | |
1159 | } | |
1160 | ||
1161 | hash = jhash_3words(addr1, addr2, ports, _kc_simple_tx_hashrnd); | |
1162 | ||
1163 | return (u16) (((u64) hash * dev->real_num_tx_queues) >> 32); | |
1164 | } | |
1165 | #endif /* HAVE_NETDEV_SELECT_QUEUE */ | |
1166 | #endif /* < 2.6.30 */ | |
1167 | ||
1168 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) ) | |
1169 | #ifdef HAVE_TX_MQ | |
1170 | #ifndef CONFIG_NETDEVICES_MULTIQUEUE | |
1171 | void _kc_netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq) | |
1172 | { | |
1173 | unsigned int real_num = dev->real_num_tx_queues; | |
1174 | struct Qdisc *qdisc; | |
1175 | int i; | |
1176 | ||
1177 | if (unlikely(txq > dev->num_tx_queues)) | |
1178 | ; | |
1179 | else if (txq > real_num) | |
1180 | dev->real_num_tx_queues = txq; | |
1181 | else if ( txq < real_num) { | |
1182 | dev->real_num_tx_queues = txq; | |
1183 | for (i = txq; i < dev->num_tx_queues; i++) { | |
1184 | qdisc = netdev_get_tx_queue(dev, i)->qdisc; | |
1185 | if (qdisc) { | |
1186 | spin_lock_bh(qdisc_lock(qdisc)); | |
1187 | qdisc_reset(qdisc); | |
1188 | spin_unlock_bh(qdisc_lock(qdisc)); | |
1189 | } | |
1190 | } | |
1191 | } | |
1192 | } | |
1193 | #endif /* CONFIG_NETDEVICES_MULTIQUEUE */ | |
1194 | #endif /* HAVE_TX_MQ */ | |
1195 | #endif /* < 2.6.35 */ | |
1196 | ||
1197 | /*****************************************************************************/ | |
1198 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36) ) | |
1199 | static const u32 _kc_flags_dup_features = | |
1200 | (ETH_FLAG_LRO | ETH_FLAG_NTUPLE | ETH_FLAG_RXHASH); | |
1201 | ||
1202 | u32 _kc_ethtool_op_get_flags(struct net_device *dev) | |
1203 | { | |
1204 | return dev->features & _kc_flags_dup_features; | |
1205 | } | |
1206 | ||
1207 | int _kc_ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported) | |
1208 | { | |
1209 | if (data & ~supported) | |
1210 | return -EINVAL; | |
1211 | ||
1212 | dev->features = ((dev->features & ~_kc_flags_dup_features) | | |
1213 | (data & _kc_flags_dup_features)); | |
1214 | return 0; | |
1215 | } | |
1216 | #endif /* < 2.6.36 */ | |
1217 | ||
1218 | /******************************************************************************/ | |
1219 | #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,39) ) | |
1220 | #if (!(RHEL_RELEASE_CODE && RHEL_RELEASE_CODE > RHEL_RELEASE_VERSION(6,0))) | |
1221 | u8 _kc_netdev_get_num_tc(struct net_device *dev) | |
1222 | { | |
1223 | struct adapter_struct *kc_adapter = netdev_priv(dev); | |
1224 | if (kc_adapter->flags & IXGBE_FLAG_DCB_ENABLED) | |
1225 | return kc_adapter->tc; | |
1226 | else | |
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | u8 _kc_netdev_get_prio_tc_map(struct net_device *dev, u8 up) | |
1231 | { | |
1232 | struct adapter_struct *kc_adapter = netdev_priv(dev); | |
1233 | int tc; | |
1234 | u8 map; | |
1235 | ||
1236 | for (tc = 0; tc < IXGBE_DCB_MAX_TRAFFIC_CLASS; tc++) { | |
1237 | map = kc_adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap; | |
1238 | ||
1239 | if (map & (1 << up)) | |
1240 | return tc; | |
1241 | } | |
1242 | ||
1243 | return 0; | |
1244 | } | |
1245 | #endif /* !(RHEL_RELEASE_CODE > RHEL_RELEASE_VERSION(6,0)) */ | |
1246 | #endif /* < 2.6.39 */ |