mirror of
https://github.com/proski/madwifi
synced 2024-11-22 06:21:47 +03:00
8c73cc55b1
Linux 2.6.13 introduced Wireless Extension 18 with WPA support. It was released in August 2005. People making changes to MadWifi should not be required to be software archeologistists to test their changes.
267 lines
7.7 KiB
C
267 lines
7.7 KiB
C
/*-
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* Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification.
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* 2. Redistributions in binary form must reproduce at minimum a disclaimer
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* similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
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* redistribution must be conditioned upon including a substantially
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* similar Disclaimer requirement for further binary redistribution.
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* 3. Neither the names of the above-listed copyright holders nor the names
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* of any contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* NO WARRANTY
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGES.
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*
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* $Id$
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*/
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#ifndef _ATH_COMPAT_H_
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#define _ATH_COMPAT_H_
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/* Compatibility with older Linux kernels */
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#ifdef __KERNEL__
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#include <linux/types.h>
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#include <linux/time.h>
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#include <linux/netdevice.h>
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#include <linux/kernel.h>
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#include <linux/kmod.h>
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#include <linux/proc_fs.h>
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#endif
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#include <linux/version.h>
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#if !defined(__KERNEL__) || !defined (__bitwise)
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#define __le16 u_int16_t
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#define __le32 u_int32_t
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#define __le64 u_int64_t
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#define __be16 u_int16_t
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#define __be32 u_int32_t
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#define __be64 u_int64_t
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#define __force
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#endif
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#ifndef container_of
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type,member) );})
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#endif
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#ifndef list_for_each_entry_reverse
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#define list_for_each_entry_reverse(pos, head, member) \
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for (pos = list_entry((head)->prev, typeof(*pos), member); \
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prefetch(pos->member.prev), &pos->member != (head); \
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pos = list_entry(pos->member.prev, typeof(*pos), member))
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#endif
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#ifndef NETDEV_TX_OK
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#define NETDEV_TX_OK 0
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#define NETDEV_TX_BUSY 1
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,34)
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#ifndef netdev_for_each_mc_addr
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#define netdev_for_each_mc_addr(mclist, dev) \
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for (mclist = (dev)->mc_list; mclist; mclist = mclist->next)
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#endif
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35)
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#define ath_netdev_hw_addr dev_mc_list
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#define ath_ha_addr(ha) ha->dmi_addr
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#else
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#define ath_netdev_hw_addr netdev_hw_addr
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#define ath_ha_addr(ha) ha->addr
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#endif
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/*
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* BSD/Linux compatibility shims. These are used mainly to
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* minimize differences when importing necessary BSD code.
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*/
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#define NBBY 8 /* number of bits/byte */
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/* roundup() appears in Linux 2.6.18 */
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#ifndef roundup
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#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */
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#endif
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#define howmany(x, y) (((x)+((y)-1))/(y))
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/* roundup() and howmany() macros that works both with positive and negative
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* values. */
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#define roundup_s(x,y) _roundup_s((signed)(x),(signed)(y))
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#define howmany_s(x,y) _howmany_s((signed)(x),(signed)(y))
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#define _roundup_s(x,y) \
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((x) >= 0 ? (((x)+((y)-1))/(y))*(y) : ((x)/(y))*(y))
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#define _howmany_s(x, y) \
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((x) >= 0 ? (((x)+((y)-1))/(y)) : ((x)/(y)))
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/* Bit map related macros. */
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#define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY))
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#define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
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#define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY)))
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#define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
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#ifndef __packed
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#define __packed __attribute__((__packed__))
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#endif
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#define __offsetof(t,m) offsetof(t,m)
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/*
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* NetBSD/FreeBSD defines for file version.
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*/
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#define __FBSDID(_s)
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#define __KERNEL_RCSID(_n,_s)
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/*
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* Fixes for Linux API changes
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*/
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#ifdef __KERNEL__
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#define KASSERT(exp, msg) do { \
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if (unlikely(!(exp))) { \
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printk msg; \
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printk("\n"); \
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BUG(); \
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} \
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} while (0)
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
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#define gfp_t unsigned int
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static inline void *_kzalloc(size_t size, gfp_t flags)
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{
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void *p = kmalloc(size, flags);
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if (likely(p != NULL))
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memset(p, 0, size);
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return p;
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}
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#define kzalloc(size, flags) _kzalloc(size, flags)
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)
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#define ATH_REGISTER_SYSCTL_TABLE(t) register_sysctl_table(t, 1)
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#else
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#define ATH_REGISTER_SYSCTL_TABLE(t) register_sysctl_table(t)
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
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static inline int timeval_compare(struct timeval *lhs, struct timeval *rhs)
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{
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if (lhs->tv_sec < rhs->tv_sec)
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return -1;
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if (lhs->tv_sec > rhs->tv_sec)
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return 1;
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return lhs->tv_usec - rhs->tv_usec;
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}
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
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typedef unsigned long resource_size_t;
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
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#define IRQF_SHARED SA_SHIRQ
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
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#define skb_end_pointer(_skb) ((_skb)->end)
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#define skb_tail_pointer(_skb) ((_skb)->tail)
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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_network_header(_skb) \
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do { (_skb)->nh.raw = (_skb)->data; } while (0)
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#define skb_mac_header(_skb) ((_skb)->mac.raw)
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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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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
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#define CTL_AUTO -2
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#define DEV_ATH 9
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#else
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#define CTL_AUTO CTL_UNNUMBERED
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#define DEV_ATH CTL_UNNUMBERED
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#endif
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#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)
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#define ATH_INIT_CTL_NAME(val)
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#define ATH_SET_CTL_NAME(ctl, val)
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#else
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#define ATH_INIT_CTL_NAME(val) .ctl_name = val,
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#define ATH_SET_CTL_NAME(ctl, val) ctl.ctl_name = val
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#endif
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/* __skb_append got a third parameter in 2.6.14 */
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14)
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#define __skb_queue_after(_list, _old, _new) __skb_append(_old, _new)
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#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
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#define __skb_queue_after(_list, _old, _new) __skb_append(_old, _new, _list)
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
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#ifndef spin_lock_irqsave_nested
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#define spin_lock_irqsave_nested(_lock, _flags, _subclass) \
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spin_lock_irqsave(_lock, _flags)
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#endif
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,26)
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static inline struct proc_dir_entry *proc_create_data(const char *name,
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umode_t mode, struct proc_dir_entry *parent,
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struct file_operations *fops, void *data)
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{
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struct proc_dir_entry *de;
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de = create_proc_entry(name, mode, parent);
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if (de) {
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de->data = data;
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de->proc_fops = fops;
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}
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return de;
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}
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0)
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static inline void proc_remove(struct proc_dir_entry *de)
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{
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if (de)
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remove_proc_entry(de->name, de->parent);
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}
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static inline void *PDE_DATA(const struct inode *inode)
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{
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return PDE(inode)->data;
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}
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#endif
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#if LINUX_VERSION_CODE < KERNEL_VERSION(3,11,0)
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#define netdev_notifier_info_to_dev(ptr) ((struct net_device *)(ptr))
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#endif
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#endif /* __KERNEL__ */
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#endif /* _ATH_COMPAT_H_ */
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