1 files changed, 104 insertions, 0 deletions
diff --git a/net/ieee80211/compat.h b/net/ieee80211/compat.h
new file mode 100644
index 000000000000..eedd84a98c0f
--- /dev/null
+++ b/net/ieee80211/compat.h
@@ -0,0 +1,104 @@
+/*
+ * Header file to maintain compatibility among different kernel versions.
+ *
+ * Copyright (c) 2004-2006  Zhu Yi <yi.zhu@intel.com>, Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation. See README and COPYING for
+ * more details.
+ */
+
+#include <linux/version.h>
+#include <linux/if_ether.h>	/* ETH_ALEN */
+#include <linux/wireless.h>
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,8)
+#define        __iomem
+#define        __le32          u32
+#endif
+
+#ifndef        NETDEV_TX_OK
+#define        NETDEV_TX_OK            0
+#endif
+
+#ifndef ARPHRD_IEEE80211_RADIOTAP
+#define ARPHRD_IEEE80211_RADIOTAP 803  /* IEEE 802.11 + radiotap header */
+#endif
+
+#ifndef __bitwise /* if __leXX is not defined */
+typedef __u16 __le16;
+typedef __u64 __le64;
+#endif
+
+#ifndef DEFINE_SPINLOCK
+#define DEFINE_SPINLOCK(s)	spinlock_t s = SPIN_LOCK_UNLOCKED
+#endif
+
+#ifndef WIRELESS_SPY
+#define WIRELESS_SPY		/* enable iwspy support */
+#endif
+
+#ifndef __nocast
+#define __nocast
+#endif
+
+#ifndef NETDEV_TX_BUSY
+#define NETDEV_TX_BUSY 1
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
+typedef unsigned gfp_t;
+#endif
+
+/* WE compatibility macros */
+#if WIRELESS_EXT < 17
+#define IW_QUAL_QUAL_UPDATED    0x01    /* Value was updated since last read */
+#define IW_QUAL_LEVEL_UPDATED   0x02
+#define IW_QUAL_NOISE_UPDATED   0x04
+#define IW_QUAL_ALL_UPDATED     0x07
+#define IW_QUAL_QUAL_INVALID    0x10    /* Driver doesn't provide value */
+#define IW_QUAL_LEVEL_INVALID   0x20
+#define IW_QUAL_NOISE_INVALID   0x40
+#define IW_QUAL_ALL_INVALID     0x70
+#endif
+
+#if WIRELESS_EXT < 19
+#define IW_QUAL_DBM             0x08    /* Level + Noise are dBm */
+#endif
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,12)
+static inline int is_multicast_ether_addr(const u8 *addr)
+{
+       return addr[0] & 0x01;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
+static inline int is_broadcast_ether_addr(const u8 *addr)
+{
+        return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
+static inline void *kzalloc(size_t size, unsigned __nocast flags)
+{
+	void *ret = kmalloc(size, flags);
+	if (ret)
+		memset(ret, 0, size);
+	return ret;
+}
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
+static inline unsigned compare_ether_addr(const u8 *_a, const u8 *_b)
+{
+	const u16 *a = (const u16 *) _a;
+	const u16 *b = (const u16 *) _b;
+
+	BUILD_BUG_ON(ETH_ALEN != 6);
+	return ((a[0] ^ b[0]) | (a[1] ^ b[1]) | (a[2] ^ b[2])) != 0;
+}
+#endif