1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/staging/batman-adv/compat.h b/drivers/staging/batman-adv/compat.h
new file mode 100644
index 000000000000..f4e0a4564ba7
--- /dev/null
+++ b/drivers/staging/batman-adv/compat.h
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ *
+ * This file contains macros for maintaining compatibility with older versions
+ * of the Linux kernel.
+ */
+
+#include <linux/version.h>	/* LINUX_VERSION_CODE */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
+
+#define skb_set_network_header(_skb, _offset) \
+	do { (_skb)->nh.raw = (_skb)->data + (_offset); } while (0)
+
+#define skb_reset_mac_header(_skb) \
+	do { (_skb)->mac.raw = (_skb)->data; } while (0)
+
+#define list_first_entry(ptr, type, member) \
+	list_entry((ptr)->next, type, member)
+
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22) */
+
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
+
+#define device_create(_cls, _parent, _devt, _device, _fmt) \
+	class_device_create(_cls, _parent, _devt, _device, _fmt)
+
+#define device_destroy(_cls, _device) \
+	class_device_destroy(_cls, _device)
+
+#else
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27)
+
+#define device_create(_cls, _parent, _devt, _device, _fmt) \
+	device_create_drvdata(_cls, _parent, _devt, _device, _fmt)
+
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27) */
+
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26) */
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
+
+#define cancel_delayed_work_sync(wq) cancel_rearming_delayed_work(wq)
+
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23) */
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)
+#define strict_strtoul(cp, base, res) \
+	({ \
+	int ret = 0; \
+	char *endp; \
+	*res = simple_strtoul(cp, &endp, base); \
+	if (cp == endp) \
+		ret = -EINVAL; \
+	ret; \
+})
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25) */