kcompat.h

Intel 82546系列lan driver源码

/*****************************************************************************/
/* 2.4.20 => 2.4.19 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20) )

/* we won't support NAPI on less than 2.4.20 */
#ifdef NAPI
#undef CONFIG_E1000_NAPI
#undef CONFIG_E1000E_NAPI
#undef CONFIG_IXGB_NAPI
#endif

#endif /* 2.4.20 => 2.4.19 */
/*****************************************************************************/
/* 2.4.22 => 2.4.17 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,22) )
#define pci_name(x)	((x)->slot_name)
#endif

/*****************************************************************************/
/* 2.4.22 => 2.4.17 */

#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,22) )
#endif

/*****************************************************************************/
/*****************************************************************************/
/* 2.4.23 => 2.4.22 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23) )
/*****************************************************************************/
#ifdef NAPI
#ifndef netif_poll_disable
#define netif_poll_disable(x) _kc_netif_poll_disable(x)
static inline void _kc_netif_poll_disable(struct net_device *netdev)
{
	while (test_and_set_bit(__LINK_STATE_RX_SCHED, &netdev->state)) {
		/* No hurry */
		current->state = TASK_INTERRUPTIBLE;
		schedule_timeout(1);
	}
}
#endif

#ifndef netif_poll_enable
#define netif_poll_enable(x) _kc_netif_poll_enable(x)
static inline void _kc_netif_poll_enable(struct net_device *netdev)
{
	clear_bit(__LINK_STATE_RX_SCHED, &netdev->state);
}
#endif
#endif /* NAPI */
#ifndef netif_tx_disable
#define netif_tx_disable(x) _kc_netif_tx_disable(x)
static inline void _kc_netif_tx_disable(struct net_device *dev)
{
	spin_lock_bh(&dev->xmit_lock);
	netif_stop_queue(dev);
	spin_unlock_bh(&dev->xmit_lock);
}
#endif
#endif /* 2.4.23 => 2.4.22 */

/*****************************************************************************/
/* 2.6.4 => 2.6.0 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,25) || \
    ( LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && \
      LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) ) )
#define ETHTOOL_OPS_COMPAT
#endif /* 2.6.4 => 2.6.0 */

/*****************************************************************************/
/* 2.5.71 => 2.4.x */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,5,71) )
#include <net/sock.h>
#define sk_protocol protocol

#define pci_get_device pci_find_device
#endif /* 2.5.70 => 2.4.x */

/*****************************************************************************/
/* < 2.4.27 or 2.6.0 <= 2.6.5 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,27) || \
    ( LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) && \
      LINUX_VERSION_CODE < KERNEL_VERSION(2,6,5) ) )

#ifndef netif_msg_init
#define netif_msg_init _kc_netif_msg_init
static inline u32 _kc_netif_msg_init(int debug_value, int default_msg_enable_bits)
{
	/* use default */
	if (debug_value < 0 || debug_value >= (sizeof(u32) * 8))
		return default_msg_enable_bits;
	if (debug_value == 0) /* no output */
		return 0;
	/* set low N bits */
	return (1 << debug_value) -1;
}
#endif

#endif /* < 2.4.27 or 2.6.0 <= 2.6.5 */
/*****************************************************************************/
#if (( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,27) ) || \
     (( LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) ) && \
      ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,3) )))
#define netdev_priv(x) x->priv
#endif

/*****************************************************************************/
/* <= 2.5.0 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) )
#undef pci_register_driver
#define pci_register_driver pci_module_init

#define dev_err(__unused_dev, format, arg...)            \
	printk(KERN_ERR "%s: " format, pci_name(adapter->pdev) , ## arg)
#define dev_warn(__unused_dev, format, arg...)            \
	printk(KERN_WARNING "%s: " format, pci_name(pdev) , ## arg)

/* hlist_* code - double linked lists */
struct hlist_head {
	struct hlist_node *first;
};

struct hlist_node {
	struct hlist_node *next, **pprev;
};

static inline void __hlist_del(struct hlist_node *n)
{
	struct hlist_node *next = n->next;
	struct hlist_node **pprev = n->pprev;
	*pprev = next;
	if (next)
	next->pprev = pprev;
}

static inline void hlist_del(struct hlist_node *n)
{
	__hlist_del(n);
	n->next = NULL;
	n->pprev = NULL;
}

static inline void hlist_add_head(struct hlist_node *n, struct hlist_head *h)
{
	struct hlist_node *first = h->first;
	n->next = first;
	if (first)
		first->pprev = &n->next;
	h->first = n;
	n->pprev = &h->first;
}

static inline int hlist_empty(const struct hlist_head *h)
{
	return !h->first;
}
#define HLIST_HEAD_INIT { .first = NULL }
#define HLIST_HEAD(name) struct hlist_head name = {  .first = NULL }
#define INIT_HLIST_HEAD(ptr) ((ptr)->first = NULL)
static inline void INIT_HLIST_NODE(struct hlist_node *h)
{
	h->next = NULL;
	h->pprev = NULL;
}
#define hlist_entry(ptr, type, member) container_of(ptr,type,member)

#define hlist_for_each_entry(tpos, pos, head, member)                    \
	for (pos = (head)->first;                                        \
	     pos && ({ prefetch(pos->next); 1;}) &&                      \
		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
	     pos = pos->next)

#define hlist_for_each_entry_safe(tpos, pos, n, head, member)            \
	for (pos = (head)->first;                                        \
	     pos && ({ n = pos->next; 1; }) &&                           \
		({ tpos = hlist_entry(pos, typeof(*tpos), member); 1;}); \
	     pos = n)

/* we ignore GFP here */
#define dma_alloc_coherent(dv, sz, dma, gfp) \
	pci_alloc_consistent(pdev, (sz), (dma))
#define dma_free_coherent(dv, sz, addr, dma_addr) \
	pci_free_consistent(pdev, (sz), (addr), (dma_addr))

#ifndef might_sleep
#define might_sleep()
#endif

#ifndef NETREG_REGISTERED
#define NETREG_REGISTERED 1
#define reg_state deadbeaf
#endif
#endif /* <= 2.5.0 */

/*****************************************************************************/
/* 2.5.28 => 2.4.23 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,5,28) )

static inline void _kc_synchronize_irq(void)
{
	synchronize_irq();
}
#undef synchronize_irq
#define synchronize_irq(X) _kc_synchronize_irq()

#include <linux/tqueue.h>
#define work_struct tq_struct
#undef INIT_WORK
#define INIT_WORK(a,b) INIT_TQUEUE(a,(void (*)(void *))b,a)
#undef container_of
#define container_of list_entry
#define schedule_work schedule_task
#define flush_scheduled_work flush_scheduled_tasks
#define cancel_work_sync(x) flush_scheduled_work()

#endif /* 2.5.28 => 2.4.17 */

/*****************************************************************************/
/* 2.6.0 => 2.5.28 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0) )
#define MODULE_INFO(version, _version)
#ifndef CONFIG_E1000_DISABLE_PACKET_SPLIT
#define CONFIG_E1000_DISABLE_PACKET_SPLIT 1
#endif
#ifndef CONFIG_IGB_DISABLE_PACKET_SPLIT
#define CONFIG_IGB_DISABLE_PACKET_SPLIT 1
#endif

#define pci_set_consistent_dma_mask(dev,mask) 1

#undef dev_put
#define dev_put(dev) __dev_put(dev)

#ifndef skb_fill_page_desc
#define skb_fill_page_desc _kc_skb_fill_page_desc
extern void _kc_skb_fill_page_desc(struct sk_buff *skb, int i, struct page *page, int off, int size);
#endif

#undef ALIGN
#define ALIGN(x,a) (((x)+(a)-1)&~((a)-1))

#ifndef page_count
#define page_count(p) atomic_read(&(p)->count)
#endif

/* find_first_bit and find_next bit are not defined for most
 * 2.4 kernels (except for the redhat 2.4.21 kernels
 */
#include <linux/bitops.h>
#define BITOP_WORD(nr)          ((nr) / BITS_PER_LONG)
#undef find_next_bit
#define find_next_bit _kc_find_next_bit
extern unsigned long _kc_find_next_bit(const unsigned long *addr,
                                       unsigned long size,
                                       unsigned long offset);
#define find_first_bit(addr, size) find_next_bit((addr), (size), 0)

#endif /* 2.6.0 => 2.5.28 */

/*****************************************************************************/
/* 2.6.4 => 2.6.0 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,4) )
#define MODULE_VERSION(_version) MODULE_INFO(version, _version)
#endif /* 2.6.4 => 2.6.0 */

/*****************************************************************************/
/* 2.6.5 => 2.6.0 */
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,5) )
#define pci_dma_sync_single_for_cpu	pci_dma_sync_single
#define pci_dma_sync_single_for_device	pci_dma_sync_single_for_cpu
#endif /* 2.6.5 => 2.6.0 */

/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,6) )
/* taken from 2.6 include/linux/bitmap.h */
#undef bitmap_zero
#define bitmap_zero _kc_bitmap_zero
static inline void _kc_bitmap_zero(unsigned long *dst, int nbits)
{
        if (nbits <= BITS_PER_LONG)
                *dst = 0UL;
        else {
                int len = BITS_TO_LONGS(nbits) * sizeof(unsigned long);
                memset(dst, 0, len);
        }
}
#endif /* < 2.6.6 */

/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,7) )
#undef if_mii
#define if_mii _kc_if_mii
static inline struct mii_ioctl_data *_kc_if_mii(struct ifreq *rq)
{
	return (struct mii_ioctl_data *) &rq->ifr_ifru;
}
#endif /* < 2.6.7 */

/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,8) )
#ifndef PCI_EXP_DEVCTL
#define PCI_EXP_DEVCTL 8
#endif
#ifndef PCI_EXP_DEVCTL_CERE
#define PCI_EXP_DEVCTL_CERE 0x0001
#endif
#define msleep(x)	do { set_current_state(TASK_UNINTERRUPTIBLE); \
				schedule_timeout((x * HZ)/1000 + 2); \
			} while (0)

#endif /* < 2.6.8 */

/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9))
#include <net/dsfield.h>
#define __iomem

#ifndef kcalloc
#define kcalloc(n, size, flags) _kc_kzalloc(((n) * (size)), flags)
extern void *_kc_kzalloc(size_t size, int flags);
#endif
#define MSEC_PER_SEC    1000L
static inline unsigned int _kc_jiffies_to_msecs(const unsigned long j)
{
#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
	return (MSEC_PER_SEC / HZ) * j;
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
	return (j + (HZ / MSEC_PER_SEC) - 1)/(HZ / MSEC_PER_SEC);
#else
	return (j * MSEC_PER_SEC) / HZ;
#endif
}
static inline unsigned long _kc_msecs_to_jiffies(const unsigned int m)
{
	if (m > _kc_jiffies_to_msecs(MAX_JIFFY_OFFSET))
		return MAX_JIFFY_OFFSET;
#if HZ <= MSEC_PER_SEC && !(MSEC_PER_SEC % HZ)
	return (m + (MSEC_PER_SEC / HZ) - 1) / (MSEC_PER_SEC / HZ);
#elif HZ > MSEC_PER_SEC && !(HZ % MSEC_PER_SEC)
	return m * (HZ / MSEC_PER_SEC);
#else
	return (m * HZ + MSEC_PER_SEC - 1) / MSEC_PER_SEC;
#endif
}

#define msleep_interruptible _kc_msleep_interruptible
static inline unsigned long _kc_msleep_interruptible(unsigned int msecs)
{
	unsigned long timeout = _kc_msecs_to_jiffies(msecs) + 1;

	while (timeout && !signal_pending(current)) {
		__set_current_state(TASK_INTERRUPTIBLE);
		timeout = schedule_timeout(timeout);
	}
	return _kc_jiffies_to_msecs(timeout);
}

/* Basic mode control register. */
#define BMCR_SPEED1000		0x0040  /* MSB of Speed (1000)         */

#ifndef __le16
#define __le16 u16
#endif
#ifndef __le32
#define __le32 u32
#endif
#ifndef __le64
#define __le64 u64
#endif

#ifdef pci_dma_mapping_error
#undef pci_dma_mapping_error
#endif
#define pci_dma_mapping_error _kc_pci_dma_mapping_error
static inline int _kc_pci_dma_mapping_error(struct pci_dev *pdev,
                                            dma_addr_t dma_addr)
{
	return dma_addr == 0;
}

#endif /* < 2.6.9 */

/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,10) )
#ifdef module_param_array_named
#undef module_param_array_named
#define module_param_array_named(name, array, type, nump, perm)          \
	static struct kparam_array __param_arr_##name                    \
	= { ARRAY_SIZE(array), nump, param_set_##type, param_get_##type, \
	    sizeof(array[0]), array };                                   \
	module_param_call(name, param_array_set, param_array_get,        \
			  &__param_arr_##name, perm)
#endif /* module_param_array_named */
#endif /* < 2.6.10 */

/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) )
#define PCI_D0      0
#define PCI_D1      1
#define PCI_D2      2
#define PCI_D3hot   3
#define PCI_D3cold  4
#define pci_choose_state(pdev,state) state
#define PMSG_SUSPEND 3
#define PCI_EXP_LNKCTL	16

#undef NETIF_F_LLTX

#ifndef ARCH_HAS_PREFETCH
#define prefetch(X)
#endif

#ifndef NET_IP_ALIGN
#define NET_IP_ALIGN 2
#endif