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 "COPYING".
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 */