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