1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2012 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "LICENSE.GPL".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
31 /*****************************************************************************/
32 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,8) )
33 /* From lib/vsprintf.c */
34 #include <asm/div64.h>
36 static int skip_atoi(const char **s
)
41 i
= i
*10 + *((*s
)++) - '0';
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' */
53 static char * number(char * buf
, char * end
, long long num
, int base
, int size
, int precision
, int type
)
57 const char small_digits
[] = "0123456789abcdefghijklmnopqrstuvwxyz";
58 const char large_digits
[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
61 digits
= (type
& _kc_LARGE
) ? large_digits
: small_digits
;
64 if (base
< 2 || base
> 36)
66 c
= (type
& _kc_ZEROPAD
) ? '0' : ' ';
68 if (type
& _kc_SIGN
) {
73 } else if (type
& _kc_PLUS
) {
76 } else if (type
& _kc_SPACE
) {
81 if (type
& _kc_SPECIAL
) {
91 tmp
[i
++] = digits
[do_div(num
,base
)];
95 if (!(type
&(_kc_ZEROPAD
+_kc_LEFT
))) {
107 if (type
& _kc_SPECIAL
) {
112 } else if (base
==16) {
121 if (!(type
& _kc_LEFT
)) {
128 while (i
< precision
--) {
146 int _kc_vsnprintf(char *buf
, size_t size
, const char *fmt
, va_list args
)
149 unsigned long long num
;
154 int flags
; /* flags to number() */
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 */
164 end
= buf
+ size
- 1;
168 size
= end
- buf
+ 1;
171 for (; *fmt
; ++fmt
) {
182 ++fmt
; /* this also skips first '%' */
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
;
191 /* get field width */
194 field_width
= skip_atoi(&fmt
);
195 else if (*fmt
== '*') {
197 /* it's the next argument */
198 field_width
= va_arg(args
, int);
199 if (field_width
< 0) {
200 field_width
= -field_width
;
205 /* get the precision */
210 precision
= skip_atoi(&fmt
);
211 else if (*fmt
== '*') {
213 /* it's the next argument */
214 precision
= va_arg(args
, int);
220 /* get the conversion qualifier */
222 if (*fmt
== 'h' || *fmt
== 'l' || *fmt
== 'L' || *fmt
=='Z') {
232 if (!(flags
& _kc_LEFT
)) {
233 while (--field_width
> 0) {
239 c
= (unsigned char) va_arg(args
, int);
243 while (--field_width
> 0) {
251 s
= va_arg(args
, char *);
255 len
= strnlen(s
, precision
);
257 if (!(flags
& _kc_LEFT
)) {
258 while (len
< field_width
--) {
264 for (i
= 0; i
< len
; ++i
) {
269 while (len
< field_width
--) {
277 if (field_width
== -1) {
278 field_width
= 2*sizeof(void *);
279 flags
|= _kc_ZEROPAD
;
281 str
= number(str
, end
,
282 (unsigned long) va_arg(args
, void *),
283 16, field_width
, precision
, flags
);
289 * What does C99 say about the overflow case here? */
290 if (qualifier
== 'l') {
291 long * ip
= va_arg(args
, long *);
293 } else if (qualifier
== 'Z') {
294 size_t * ip
= va_arg(args
, size_t *);
297 int * ip
= va_arg(args
, int *);
308 /* integer number formats - set up the flags and "break" */
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
;
351 num
= va_arg(args
, unsigned int);
352 if (flags
& _kc_SIGN
)
353 num
= (signed int) num
;
355 str
= number(str
, end
, num
, base
,
356 field_width
, precision
, flags
);
361 /* don't write out a null byte if the buf size is zero */
363 /* the trailing null byte doesn't count towards the total
369 int _kc_snprintf(char * buf
, size_t size
, const char *fmt
, ...)
375 i
= _kc_vsnprintf(buf
,size
,fmt
,args
);
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
)
387 unsigned int vfs_assigned
= 0;
388 #ifdef HAVE_PCI_DEV_FLAGS_ASSIGNED
390 struct pci_dev
*vfdev
;
391 unsigned short dev_id
;
393 /* only search if we are a PF */
397 /* find SR-IOV capability */
398 pos
= pci_find_ext_capability(dev
, PCI_EXT_CAP_ID_SRIOV
);
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
406 pci_read_config_word(dev
, pos
+ PCI_SRIOV_VF_DID
, &dev_id
);
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
);
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
415 if (vfdev
->is_virtfn
&& (vfdev
->physfn
== dev
) &&
416 (vfdev
->dev_flags
& PCI_DEV_FLAGS_ASSIGNED
))
419 vfdev
= pci_get_device(dev
->vendor
, dev_id
, vfdev
);
422 #endif /* HAVE_PCI_DEV_FLAGS_ASSIGNED */
426 #endif /* CONFIG_PCI_IOV */
431 /*****************************************************************************/
432 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,13) )
434 /**************************************/
435 /* PCI DMA MAPPING */
437 #if defined(CONFIG_HIGHMEM)
439 #ifndef PCI_DRAM_OFFSET
440 #define PCI_DRAM_OFFSET 0
444 _kc_pci_map_page(struct pci_dev
*dev
, struct page
*page
, unsigned long offset
,
445 size_t size
, int direction
)
447 return ((u64
) (page
- mem_map
) << PAGE_SHIFT
) + offset
+
451 #else /* CONFIG_HIGHMEM */
454 _kc_pci_map_page(struct pci_dev
*dev
, struct page
*page
, unsigned long offset
,
455 size_t size
, int direction
)
457 return pci_map_single(dev
, (void *)page_address(page
) + offset
, size
,
461 #endif /* CONFIG_HIGHMEM */
464 _kc_pci_unmap_page(struct pci_dev
*dev
, u64 dma_addr
, size_t size
,
467 return pci_unmap_single(dev
, dma_addr
, size
, direction
);
470 #endif /* 2.4.13 => 2.4.3 */
472 /*****************************************************************************/
473 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,3) )
475 /**************************************/
479 _kc_pci_set_dma_mask(struct pci_dev
*dev
, dma_addr_t mask
)
481 if (!pci_dma_supported(dev
, mask
))
483 dev
->dma_mask
= mask
;
488 _kc_pci_request_regions(struct pci_dev
*dev
, char *res_name
)
492 for (i
= 0; i
< 6; i
++) {
493 if (pci_resource_len(dev
, i
) == 0)
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
);
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
);
512 _kc_pci_release_regions(struct pci_dev
*dev
)
516 for (i
= 0; i
< 6; i
++) {
517 if (pci_resource_len(dev
, i
) == 0)
520 if (pci_resource_flags(dev
, i
) & IORESOURCE_IO
)
521 release_region(pci_resource_start(dev
, i
), pci_resource_len(dev
, i
));
523 else if (pci_resource_flags(dev
, i
) & IORESOURCE_MEM
)
524 release_mem_region(pci_resource_start(dev
, i
), pci_resource_len(dev
, i
));
528 /**************************************/
529 /* NETWORK DRIVER API */
532 _kc_alloc_etherdev(int sizeof_priv
)
534 struct net_device
*dev
;
537 alloc_size
= sizeof(*dev
) + sizeof_priv
+ IFNAMSIZ
+ 31;
538 dev
= kzalloc(alloc_size
, GFP_KERNEL
);
543 dev
->priv
= (void *) (((unsigned long)(dev
+ 1) + 31) & ~31);
551 _kc_is_valid_ether_addr(u8
*addr
)
553 const char zaddr
[6] = { 0, };
555 return !(addr
[0] & 1) && memcmp(addr
, zaddr
, 6);
558 #endif /* 2.4.3 => 2.4.0 */
560 /*****************************************************************************/
561 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,6) )
564 _kc_pci_set_power_state(struct pci_dev
*dev
, int state
)
570 _kc_pci_enable_wake(struct pci_dev
*pdev
, u32 state
, int enable
)
575 #endif /* 2.4.6 => 2.4.3 */
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
,
582 skb_frag_t
*frag
= &skb_shinfo(skb
)->frags
[i
];
584 frag
->page_offset
= off
;
586 skb_shinfo(skb
)->nr_frags
= i
+ 1;
590 * Original Copyright:
591 * find_next_bit.c: fallback find next bit implementation
593 * Copyright (C) 2004 Red Hat, Inc. All Rights Reserved.
594 * Written by David Howells (dhowells@redhat.com)
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
603 unsigned long find_next_bit(const unsigned long *addr
, unsigned long size
,
604 unsigned long offset
)
606 const unsigned long *p
= addr
+ BITOP_WORD(offset
);
607 unsigned long result
= offset
& ~(BITS_PER_LONG
-1);
613 offset
%= BITS_PER_LONG
;
616 tmp
&= (~0UL << offset
);
617 if (size
< BITS_PER_LONG
)
621 size
-= BITS_PER_LONG
;
622 result
+= BITS_PER_LONG
;
624 while (size
& ~(BITS_PER_LONG
-1)) {
627 result
+= BITS_PER_LONG
;
628 size
-= BITS_PER_LONG
;
635 tmp
&= (~0UL >> (BITS_PER_LONG
- size
));
636 if (tmp
== 0UL) /* Are any bits set? */
637 return result
+ size
; /* Nope. */
639 return result
+ ffs(tmp
);
642 size_t _kc_strlcpy(char *dest
, const char *src
, size_t size
)
644 size_t ret
= strlen(src
);
647 size_t len
= (ret
>= size
) ? size
- 1 : ret
;
648 memcpy(dest
, src
, len
);
654 #endif /* 2.6.0 => 2.4.6 */
656 /*****************************************************************************/
657 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) )
658 int _kc_scnprintf(char * buf
, size_t size
, const char *fmt
, ...)
664 i
= vsnprintf(buf
, size
, fmt
, args
);
666 return (i
>= size
) ? (size
- 1) : i
;
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 */
675 /*****************************************************************************/
676 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) )
677 char *_kc_kstrdup(const char *s
, unsigned int gfp
)
686 buf
= kmalloc(len
, gfp
);
691 #endif /* < 2.6.13 */
693 /*****************************************************************************/
694 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14) )
695 void *_kc_kzalloc(size_t size
, int flags
)
697 void *ret
= kmalloc(size
, flags
);
699 memset(ret
, 0, size
);
702 #endif /* <= 2.6.13 */
704 /*****************************************************************************/
705 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19) )
706 int _kc_skb_pad(struct sk_buff
*skb
, int pad
)
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
);
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
));
723 if (skb_is_nonlinear(skb
) &&
724 !__pskb_pull_tail(skb
, skb
->data_len
))
728 memset(skb
->data
+ skb
->len
, 0, pad
);
736 #if (!(RHEL_RELEASE_CODE && RHEL_RELEASE_CODE >= RHEL_RELEASE_VERSION(5,4)))
737 int _kc_pci_save_state(struct pci_dev
*pdev
)
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
;
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
);
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
,
752 size
= PCIE_CONFIG_SPACE_LEN
;
754 pci_config_space_ich8lan();
756 if (adapter
->config_space
== NULL
)
758 WARN_ON(adapter
->config_space
!= NULL
);
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");
765 for (i
= 0; i
< (size
/ 4); i
++)
766 pci_read_config_dword(pdev
, i
* 4, &adapter
->config_space
[i
]);
770 void _kc_pci_restore_state(struct pci_dev
*pdev
)
772 struct adapter_struct
*adapter
= pci_get_drvdata(pdev
);
773 int size
= PCI_CONFIG_SPACE_LEN
, i
;
775 u16 pcie_link_status
;
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
,
783 size
= PCIE_CONFIG_SPACE_LEN
;
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
]);
789 kfree(adapter
->config_space
);
790 adapter
->config_space
= NULL
;
794 #endif /* !(RHEL_RELEASE_CODE >= RHEL 5.4) */
797 void _kc_free_netdev(struct net_device
*netdev
)
799 struct adapter_struct
*adapter
= netdev_priv(netdev
);
801 if (adapter
->config_space
!= NULL
)
802 kfree(adapter
->config_space
);
804 if (netdev
->reg_state
== NETREG_UNINITIALIZED
) {
805 kfree((char *)netdev
- netdev
->padded
);
807 BUG_ON(netdev
->reg_state
!= NETREG_UNREGISTERED
);
808 netdev
->reg_state
= NETREG_RELEASED
;
809 class_device_put(&netdev
->class_dev
);
812 kfree((char *)netdev
- netdev
->padded
);
817 void *_kc_kmemdup(const void *src
, size_t len
, unsigned gfp
)
821 p
= kzalloc(len
, gfp
);
826 #endif /* <= 2.6.19 */
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
)
840 if (rowsize
!= 16 && rowsize
!= 32)
845 if (len
> rowsize
) /* limit to one line at a time */
847 if ((len
% groupsize
) != 0) /* no mixed size output */
852 const u64
*ptr8
= buf
;
853 int ngroups
= len
/ groupsize
;
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;
864 const u32
*ptr4
= buf
;
865 int ngroups
= len
/ groupsize
;
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;
875 const u16
*ptr2
= buf
;
876 int ngroups
= len
/ groupsize
;
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;
886 for (j
= 0; (j
< len
) && (lx
+ 3) <= linebuflen
; j
++) {
888 linebuf
[lx
++] = hex_asc(ch
>> 4);
889 linebuf
[lx
++] = hex_asc(ch
& 0x0f);
895 ascii_column
= 3 * rowsize
+ 2;
901 while (lx
< (linebuflen
- 1) && lx
< (ascii_column
- 1))
903 for (j
= 0; (j
< len
) && (lx
+ 2) < linebuflen
; j
++)
904 linebuf
[lx
++] = (isascii(ptr
[j
]) && isprint(ptr
[j
])) ? ptr
[j
]
907 linebuf
[lx
++] = '\0';
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
)
916 int i
, linelen
, remaining
= len
;
917 unsigned char linebuf
[200];
919 if (rowsize
!= 16 && rowsize
!= 32)
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
);
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
);
933 case DUMP_PREFIX_OFFSET
:
934 printk("%s%s%.8x: %s\n", level
, prefix_str
, i
, linebuf
);
937 printk("%s%s%s\n", level
, prefix_str
, linebuf
);
942 #endif /* < 2.6.22 */
944 /*****************************************************************************/
945 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23) )
946 int ixgbe_dcb_netlink_register(void)
951 int ixgbe_dcb_netlink_unregister(void)
956 int ixgbe_copy_dcb_cfg(struct ixgbe_adapter
*adapter
, int tc_max
)
960 #endif /* < 2.6.23 */
962 /*****************************************************************************/
963 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24) )
965 struct net_device
*napi_to_poll_dev(struct napi_struct
*napi
)
967 struct adapter_q_vector
*q_vector
= container_of(napi
,
968 struct adapter_q_vector
,
970 return &q_vector
->poll_dev
;
973 int __kc_adapter_clean(struct net_device
*netdev
, int *budget
)
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;
985 #endif /* <= 2.6.24 */
987 /*****************************************************************************/
988 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26) )
989 void _kc_pci_disable_link_state(struct pci_dev
*pdev
, int state
)
991 struct pci_dev
*parent
= pdev
->bus
->self
;
998 pos
= pci_find_capability(parent
, PCI_CAP_ID_EXP
);
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
);
1005 #endif /* < 2.6.26 */
1007 /*****************************************************************************/
1008 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,27) )
1010 void _kc_netif_tx_stop_all_queues(struct net_device
*netdev
)
1012 struct adapter_struct
*adapter
= netdev_priv(netdev
);
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
);
1020 void _kc_netif_tx_wake_all_queues(struct net_device
*netdev
)
1022 struct adapter_struct
*adapter
= netdev_priv(netdev
);
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
);
1030 void _kc_netif_tx_start_all_queues(struct net_device
*netdev
)
1032 struct adapter_struct
*adapter
= netdev_priv(netdev
);
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
);
1040 #endif /* HAVE_TX_MQ */
1042 #ifndef __WARN_printf
1043 void __kc_warn_slowpath(const char *file
, int line
, const char *fmt
, ...)
1047 printk(KERN_WARNING
"------------[ cut here ]------------\n");
1048 printk(KERN_WARNING
"WARNING: at %s:%d %s()\n", file
, line
);
1049 va_start(args
, fmt
);
1055 #endif /* __WARN_printf */
1056 #endif /* < 2.6.27 */
1058 /*****************************************************************************/
1059 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28) )
1062 _kc_pci_prepare_to_sleep(struct pci_dev
*dev
)
1064 pci_power_t target_state
;
1067 target_state
= pci_choose_state(dev
, PMSG_SUSPEND
);
1069 pci_enable_wake(dev
, target_state
, true);
1071 error
= pci_set_power_state(dev
, target_state
);
1074 pci_enable_wake(dev
, target_state
, false);
1080 _kc_pci_wake_from_d3(struct pci_dev
*dev
, bool enable
)
1084 err
= pci_enable_wake(dev
, PCI_D3cold
, enable
);
1088 err
= pci_enable_wake(dev
, PCI_D3hot
, enable
);
1093 #endif /* < 2.6.28 */
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
,
1099 skb_fill_page_desc(skb
, i
, page
, off
, size
);
1101 skb
->data_len
+= size
;
1102 skb
->truesize
+= size
;
1104 #endif /* < 3.4.0 */
1106 /*****************************************************************************/
1107 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) )
1108 #ifdef HAVE_NETDEV_SELECT_QUEUE
1110 static u32 _kc_simple_tx_hashrnd
;
1111 static u32 _kc_simple_tx_hashrnd_initialized
;
1113 u16
_kc_skb_tx_hash(struct net_device
*dev
, struct sk_buff
*skb
)
1115 u32 addr1
, addr2
, ports
;
1119 if (unlikely(!_kc_simple_tx_hashrnd_initialized
)) {
1120 get_random_bytes(&_kc_simple_tx_hashrnd
, 4);
1121 _kc_simple_tx_hashrnd_initialized
= 1;
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
;
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];
1152 case IPPROTO_UDPLITE
:
1153 ports
= *((u32
*) (skb_network_header(skb
) + (ihl
* 4)));
1161 hash
= jhash_3words(addr1
, addr2
, ports
, _kc_simple_tx_hashrnd
);
1163 return (u16
) (((u64
) hash
* dev
->real_num_tx_queues
) >> 32);
1165 #endif /* HAVE_NETDEV_SELECT_QUEUE */
1166 #endif /* < 2.6.30 */
1168 #if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) )
1170 #ifndef CONFIG_NETDEVICES_MULTIQUEUE
1171 void _kc_netif_set_real_num_tx_queues(struct net_device
*dev
, unsigned int txq
)
1173 unsigned int real_num
= dev
->real_num_tx_queues
;
1174 struct Qdisc
*qdisc
;
1177 if (unlikely(txq
> dev
->num_tx_queues
))
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
;
1186 spin_lock_bh(qdisc_lock(qdisc
));
1188 spin_unlock_bh(qdisc_lock(qdisc
));
1193 #endif /* CONFIG_NETDEVICES_MULTIQUEUE */
1194 #endif /* HAVE_TX_MQ */
1195 #endif /* < 2.6.35 */
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
);
1202 u32
_kc_ethtool_op_get_flags(struct net_device
*dev
)
1204 return dev
->features
& _kc_flags_dup_features
;
1207 int _kc_ethtool_op_set_flags(struct net_device
*dev
, u32 data
, u32 supported
)
1209 if (data
& ~supported
)
1212 dev
->features
= ((dev
->features
& ~_kc_flags_dup_features
) |
1213 (data
& _kc_flags_dup_features
));
1216 #endif /* < 2.6.36 */
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
)
1223 struct adapter_struct
*kc_adapter
= netdev_priv(dev
);
1224 if (kc_adapter
->flags
& IXGBE_FLAG_DCB_ENABLED
)
1225 return kc_adapter
->tc
;
1230 u8
_kc_netdev_get_prio_tc_map(struct net_device
*dev
, u8 up
)
1232 struct adapter_struct
*kc_adapter
= netdev_priv(dev
);
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
;
1239 if (map
& (1 << up
))
1245 #endif /* !(RHEL_RELEASE_CODE > RHEL_RELEASE_VERSION(6,0)) */
1246 #endif /* < 2.6.39 */