diff options
Diffstat (limited to 'drivers/staging/batman-adv/compat.h')
-rw-r--r-- | drivers/staging/batman-adv/compat.h | 75 |
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 0000000..f4e0a45 --- /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) */ |