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      1 /* src/include/wlan/wlan_compat.h
      2 *
      3 * Types and macros to aid in portability
      4 *
      5 * Copyright (C) 1999 AbsoluteValue Systems, Inc.  All Rights Reserved.
      6 * --------------------------------------------------------------------
      7 *
      8 * linux-wlan
      9 *
     10 *   The contents of this file are subject to the Mozilla Public
     11 *   License Version 1.1 (the "License"); you may not use this file
     12 *   except in compliance with the License. You may obtain a copy of
     13 *   the License at http://www.mozilla.org/MPL/
     14 *
     15 *   Software distributed under the License is distributed on an "AS
     16 *   IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
     17 *   implied. See the License for the specific language governing
     18 *   rights and limitations under the License.
     19 *
     20 *   Alternatively, the contents of this file may be used under the
     21 *   terms of the GNU Public License version 2 (the "GPL"), in which
     22 *   case the provisions of the GPL are applicable instead of the
     23 *   above.  If you wish to allow the use of your version of this file
     24 *   only under the terms of the GPL and not to allow others to use
     25 *   your version of this file under the MPL, indicate your decision
     26 *   by deleting the provisions above and replace them with the notice
     27 *   and other provisions required by the GPL.  If you do not delete
     28 *   the provisions above, a recipient may use your version of this
     29 *   file under either the MPL or the GPL.
     30 *
     31 * --------------------------------------------------------------------
     32 *
     33 * Inquiries regarding the linux-wlan Open Source project can be
     34 * made directly to:
     35 *
     36 * AbsoluteValue Systems Inc.
     37 * info (at) linux-wlan.com
     38 * http://www.linux-wlan.com
     39 *
     40 * --------------------------------------------------------------------
     41 *
     42 * Portions of the development of this software were funded by
     43 * Intersil Corporation as part of PRISM(R) chipset product development.
     44 *
     45 * --------------------------------------------------------------------
     46 */
     47 
     48 FILE_LICENCE ( GPL2_ONLY );
     49 
     50 #ifndef _WLAN_COMPAT_H
     51 #define _WLAN_COMPAT_H
     52 
     53 /*=============================================================*/
     54 /*------ Establish Platform Identity --------------------------*/
     55 /*=============================================================*/
     56 /* Key macros: */
     57 /* WLAN_CPU_FAMILY */
     58 	#define WLAN_Ix86			1
     59 	#define WLAN_PPC			2
     60 	#define WLAN_Ix96			3
     61 	#define WLAN_ARM			4
     62 	#define WLAN_ALPHA			5
     63 	#define WLAN_MIPS			6
     64 	#define WLAN_HPPA			7
     65 /* WLAN_CPU_CORE */
     66 	#define WLAN_I386CORE			1
     67 	#define WLAN_PPCCORE			2
     68 	#define WLAN_I296			3
     69 	#define WLAN_ARMCORE			4
     70 	#define WLAN_ALPHACORE			5
     71 	#define WLAN_MIPSCORE			6
     72 	#define WLAN_HPPACORE			7
     73 /* WLAN_CPU_PART */
     74 	#define WLAN_I386PART			1
     75 	#define WLAN_MPC860			2
     76 	#define WLAN_MPC823			3
     77 	#define WLAN_I296SA			4
     78 	#define WLAN_PPCPART			5
     79 	#define WLAN_ARMPART			6
     80 	#define WLAN_ALPHAPART			7
     81 	#define WLAN_MIPSPART			8
     82 	#define WLAN_HPPAPART			9
     83 /* WLAN_SYSARCH */
     84 	#define WLAN_PCAT			1
     85 	#define WLAN_MBX			2
     86 	#define WLAN_RPX			3
     87 	#define WLAN_LWARCH			4
     88 	#define WLAN_PMAC			5
     89 	#define WLAN_SKIFF			6
     90 	#define WLAN_BITSY			7
     91 	#define WLAN_ALPHAARCH			7
     92 	#define WLAN_MIPSARCH			9
     93 	#define WLAN_HPPAARCH			10
     94 /* WLAN_OS */
     95 	#define WLAN_LINUX_KERNEL		1
     96 	#define WLAN_LINUX_USER			2
     97 /* WLAN_HOSTIF (generally set on the command line, not detected) */
     98 	#define WLAN_PCMCIA			1
     99 	#define WLAN_ISA			2
    100 	#define WLAN_PCI			3
    101 	#define WLAN_USB			4
    102 	#define WLAN_PLX			5
    103 
    104 /* Note: the PLX HOSTIF above refers to some vendors implementations for */
    105 /*       PCI.  It's a PLX chip that is a PCI to PCMCIA adapter, but it   */
    106 /*       isn't a real PCMCIA host interface adapter providing all the    */
    107 /*       card&socket services.                                           */
    108 
    109 /* Lets try to figure out what we've got.  Kernel mode or User mode? */
    110 #if defined(__KERNEL__)
    111 	#define WLAN_OS				WLAN_LINUX_KERNEL
    112 #else
    113 	#define WLAN_OS				WLAN_LINUX_USER
    114 #endif
    115 
    116 #ifdef __powerpc__
    117 #ifndef __ppc__
    118 #define __ppc__
    119 #endif
    120 #endif
    121 
    122 #if (defined(CONFIG_PPC) || defined(CONFIG_8xx))
    123 #ifndef __ppc__
    124 #define __ppc__
    125 #endif
    126 #endif
    127 
    128 #if defined(__KERNEL__)
    129 #if defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__)
    130 	#define WLAN_CPU_FAMILY		WLAN_Ix86
    131 	#define WLAN_CPU_CORE		WLAN_I386CORE
    132 	#define WLAN_CPU_PART		WLAN_I386PART
    133 	#define WLAN_SYSARCH		WLAN_PCAT
    134 #elif defined(__ppc__)
    135 	#define WLAN_CPU_FAMILY		WLAN_PPC
    136 	#define WLAN_CPU_CORE		WLAN_PPCCORE
    137 	#if defined(CONFIG_MBX)
    138 		#define WLAN_CPU_PART	WLAN_MPC860
    139 		#define WLAN_SYSARCH	WLAN_MBX
    140 	#elif defined(CONFIG_RPXLITE)
    141 		#define WLAN_CPU_PART	WLAN_MPC823
    142 		#define WLAN_SYSARCH	WLAN_RPX
    143 	#elif defined(CONFIG_RPXCLASSIC)
    144 		#define WLAN_CPU_PART	WLAN_MPC860
    145 		#define WLAN_SYSARCH	WLAN_RPX
    146 	#else
    147 		#define WLAN_CPU_PART	WLAN_PPCPART
    148 		#define WLAN_SYSARCH	WLAN_PMAC
    149 	#endif
    150 #elif defined(__arm__)
    151 	#define WLAN_CPU_FAMILY		WLAN_ARM
    152 	#define WLAN_CPU_CORE		WLAN_ARMCORE
    153         #define WLAN_CPU_PART		WLAN_ARM_PART
    154 	#define WLAN_SYSARCH		WLAN_SKIFF
    155 #elif defined(__alpha__)
    156 	#define WLAN_CPU_FAMILY		WLAN_ALPHA
    157 	#define WLAN_CPU_CORE		WLAN_ALPHACORE
    158 	#define WLAN_CPU_PART		WLAN_ALPHAPART
    159 	#define WLAN_SYSARCH		WLAN_ALPHAARCH
    160 #elif defined(__mips__)
    161 	#define WLAN_CPU_FAMILY		WLAN_MIPS
    162 	#define WLAN_CPU_CORE		WLAN_MIPSCORE
    163         #define WLAN_CPU_PART		WLAN_MIPSPART
    164 	#define WLAN_SYSARCH		WLAN_MIPSARCH
    165 #elif defined(__hppa__)
    166 	#define WLAN_CPU_FAMILY		WLAN_HPPA
    167 	#define WLAN_CPU_CORE		WLAN_HPPACORE
    168 	#define WLAN_CPU_PART		WLAN_HPPAPART
    169 	#define WLAN_SYSARCH		WLAN_HPPAARCH
    170 #else
    171 	#error "No CPU identified!"
    172 #endif
    173 #endif /* __KERNEL__ */
    174 
    175 /*
    176    Some big endian machines implicitly do all I/O in little endian mode.
    177 
    178    In particular:
    179           Linux/PPC on PowerMacs (PCI)
    180 	  Arm/Intel Xscale (PCI)
    181 
    182    This may also affect PLX boards and other BE &| PPC platforms;
    183    as new ones are discovered, add them below.
    184 */
    185 
    186 #if (WLAN_HOSTIF == WLAN_PCI)
    187 #if ((WLAN_SYSARCH == WLAN_SKIFF) || (WLAN_SYSARCH == WLAN_PMAC))
    188 #define REVERSE_ENDIAN
    189 #endif
    190 #endif
    191 
    192 /*=============================================================*/
    193 /*------ Bit settings -----------------------------------------*/
    194 /*=============================================================*/
    195 
    196 #define BIT0	0x00000001
    197 #define BIT1	0x00000002
    198 #define BIT2	0x00000004
    199 #define BIT3	0x00000008
    200 #define BIT4	0x00000010
    201 #define BIT5	0x00000020
    202 #define BIT6	0x00000040
    203 #define BIT7	0x00000080
    204 #define BIT8	0x00000100
    205 #define BIT9	0x00000200
    206 #define BIT10	0x00000400
    207 #define BIT11	0x00000800
    208 #define BIT12	0x00001000
    209 #define BIT13	0x00002000
    210 #define BIT14	0x00004000
    211 #define BIT15	0x00008000
    212 #define BIT16	0x00010000
    213 #define BIT17	0x00020000
    214 #define BIT18	0x00040000
    215 #define BIT19	0x00080000
    216 #define BIT20	0x00100000
    217 #define BIT21	0x00200000
    218 #define BIT22	0x00400000
    219 #define BIT23	0x00800000
    220 #define BIT24	0x01000000
    221 #define BIT25	0x02000000
    222 #define BIT26	0x04000000
    223 #define BIT27	0x08000000
    224 #define BIT28	0x10000000
    225 #define BIT29	0x20000000
    226 #define BIT30	0x40000000
    227 #define BIT31	0x80000000
    228 
    229 typedef unsigned char   UINT8;
    230 typedef unsigned short  UINT16;
    231 typedef unsigned long   UINT32;
    232 
    233 typedef signed char     INT8;
    234 typedef signed short    INT16;
    235 typedef signed long     INT32;
    236 
    237 typedef unsigned int    UINT;
    238 typedef signed int      INT;
    239 
    240 typedef unsigned long long	UINT64;
    241 typedef signed long long	INT64;
    242 
    243 #define UINT8_MAX	(0xffUL)
    244 #define UINT16_MAX	(0xffffUL)
    245 #define UINT32_MAX	(0xffffffffUL)
    246 
    247 #define INT8_MAX	(0x7fL)
    248 #define INT16_MAX	(0x7fffL)
    249 #define INT32_MAX	(0x7fffffffL)
    250 
    251 /*=============================================================*/
    252 /*------ Compiler Portability Macros --------------------------*/
    253 /*=============================================================*/
    254 #define __WLAN_ATTRIB_PACK__		__attribute__ ((packed))
    255 #define __WLAN_PRAGMA_PACK1__
    256 #define __WLAN_PRAGMA_PACKDFLT__
    257 #define __WLAN_INLINE__			inline
    258 #define WLAN_MIN_ARRAY			0
    259 
    260 /*=============================================================*/
    261 /*------ OS Portability Macros --------------------------------*/
    262 /*=============================================================*/
    263 
    264 #ifndef WLAN_DBVAR
    265 #define WLAN_DBVAR	wlan_debug
    266 #endif
    267 
    268 #if (WLAN_OS == WLAN_LINUX_KERNEL)
    269 	#define WLAN_LOG_ERROR0(x) printk(KERN_ERR "%s: " x , __FUNCTION__ );
    270 	#define WLAN_LOG_ERROR1(x,n) printk(KERN_ERR "%s: " x , __FUNCTION__ , (n));
    271 	#define WLAN_LOG_ERROR2(x,n1,n2) printk(KERN_ERR "%s: " x , __FUNCTION__ , (n1), (n2));
    272 	#define WLAN_LOG_ERROR3(x,n1,n2,n3) printk(KERN_ERR "%s: " x , __FUNCTION__, (n1), (n2), (n3));
    273 	#define WLAN_LOG_ERROR4(x,n1,n2,n3,n4) printk(KERN_ERR "%s: " x , __FUNCTION__, (n1), (n2), (n3), (n4));
    274 
    275 	#define WLAN_LOG_WARNING0(x) printk(KERN_WARNING "%s: " x , __FUNCTION__);
    276 	#define WLAN_LOG_WARNING1(x,n) printk(KERN_WARNING "%s: " x , __FUNCTION__, (n));
    277 	#define WLAN_LOG_WARNING2(x,n1,n2) printk(KERN_WARNING "%s: " x , __FUNCTION__, (n1), (n2));
    278 	#define WLAN_LOG_WARNING3(x,n1,n2,n3) printk(KERN_WARNING "%s: " x , __FUNCTION__, (n1), (n2), (n3));
    279 	#define WLAN_LOG_WARNING4(x,n1,n2,n3,n4) printk(KERN_WARNING "%s: " x , __FUNCTION__ , (n1), (n2), (n3), (n4));
    280 
    281 	#define WLAN_LOG_NOTICE0(x) printk(KERN_NOTICE "%s: " x , __FUNCTION__);
    282 	#define WLAN_LOG_NOTICE1(x,n) printk(KERN_NOTICE "%s: " x , __FUNCTION__, (n));
    283 	#define WLAN_LOG_NOTICE2(x,n1,n2) printk(KERN_NOTICE "%s: " x , __FUNCTION__, (n1), (n2));
    284 	#define WLAN_LOG_NOTICE3(x,n1,n2,n3) printk(KERN_NOTICE "%s: " x , __FUNCTION__, (n1), (n2), (n3));
    285 	#define WLAN_LOG_NOTICE4(x,n1,n2,n3,n4) printk(KERN_NOTICE "%s: " x , __FUNCTION__, (n1), (n2), (n3), (n4));
    286 
    287 	#define WLAN_LOG_INFO0(x) printk(KERN_INFO x);
    288 	#define WLAN_LOG_INFO1(x,n) printk(KERN_INFO x, (n));
    289 	#define WLAN_LOG_INFO2(x,n1,n2) printk(KERN_INFO x, (n1), (n2));
    290 	#define WLAN_LOG_INFO3(x,n1,n2,n3) printk(KERN_INFO x, (n1), (n2), (n3));
    291 	#define WLAN_LOG_INFO4(x,n1,n2,n3,n4) printk(KERN_INFO x, (n1), (n2), (n3), (n4));
    292 	#define WLAN_LOG_INFO5(x,n1,n2,n3,n4,n5) printk(KERN_INFO x, (n1), (n2), (n3), (n4), (n5));
    293 
    294 	#if defined(WLAN_INCLUDE_DEBUG)
    295 		#define WLAN_ASSERT(c) if ((!(c)) && WLAN_DBVAR >= 1) { \
    296 			WLAN_LOG_DEBUG0(1, "Assertion failure!\n"); }
    297 		#define WLAN_HEX_DUMP( l, x, p, n)	if( WLAN_DBVAR >= (l) ){ \
    298 			int __i__; \
    299 			printk(KERN_DEBUG x ":"); \
    300 			for( __i__=0; __i__ < (n); __i__++) \
    301 				printk( " %02x", ((UINT8*)(p))[__i__]); \
    302 			printk("\n"); }
    303 
    304 		#define DBFENTER { if ( WLAN_DBVAR >= 4 ){ WLAN_LOG_DEBUG0(3,"Enter\n"); } }
    305 		#define DBFEXIT  { if ( WLAN_DBVAR >= 4 ){ WLAN_LOG_DEBUG0(3,"Exit\n"); } }
    306 
    307 		#define WLAN_LOG_DEBUG0(l,x) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x ,  __FUNCTION__ );
    308 		#define WLAN_LOG_DEBUG1(l,x,n) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x , __FUNCTION__ , (n));
    309 		#define WLAN_LOG_DEBUG2(l,x,n1,n2) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x , __FUNCTION__ , (n1), (n2));
    310 		#define WLAN_LOG_DEBUG3(l,x,n1,n2,n3) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x , __FUNCTION__ , (n1), (n2), (n3));
    311 		#define WLAN_LOG_DEBUG4(l,x,n1,n2,n3,n4) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x , __FUNCTION__ , (n1), (n2), (n3), (n4));
    312 		#define WLAN_LOG_DEBUG5(l,x,n1,n2,n3,n4,n5) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x , __FUNCTION__ , (n1), (n2), (n3), (n4), (n5));
    313 		#define WLAN_LOG_DEBUG6(l,x,n1,n2,n3,n4,n5,n6) if ( WLAN_DBVAR >= (l)) printk(KERN_DEBUG "%s: " x , __FUNCTION__ , (n1), (n2), (n3), (n4), (n5), (n6));
    314 	#else
    315 		#define WLAN_ASSERT(c)
    316 		#define WLAN_HEX_DUMP( l, s, p, n)
    317 
    318 		#define DBFENTER
    319 		#define DBFEXIT
    320 
    321 		#define WLAN_LOG_DEBUG0(l, s)
    322 		#define WLAN_LOG_DEBUG1(l, s,n)
    323 		#define WLAN_LOG_DEBUG2(l, s,n1,n2)
    324 		#define WLAN_LOG_DEBUG3(l, s,n1,n2,n3)
    325 		#define WLAN_LOG_DEBUG4(l, s,n1,n2,n3,n4)
    326 		#define WLAN_LOG_DEBUG5(l, s,n1,n2,n3,n4,n5)
    327 	#endif
    328 #else
    329 	#define WLAN_LOG_ERROR0(s)
    330 	#define WLAN_LOG_ERROR1(s,n)
    331 	#define WLAN_LOG_ERROR2(s,n1,n2)
    332 	#define WLAN_LOG_ERROR3(s,n1,n2,n3)
    333 	#define WLAN_LOG_ERROR4(s,n1,n2,n3,n4)
    334 
    335 	#define WLAN_LOG_WARNING0(s)
    336 	#define WLAN_LOG_WARNING1(s,n)
    337 	#define WLAN_LOG_WARNING2(s,n1,n2)
    338 	#define WLAN_LOG_WARNING3(s,n1,n2,n3)
    339 	#define WLAN_LOG_WARNING4(s,n1,n2,n3,n4)
    340 
    341 	#define WLAN_LOG_NOTICE0(s)
    342 	#define WLAN_LOG_NOTICE1(s,n)
    343 	#define WLAN_LOG_NOTICE2(s,n1,n2)
    344 	#define WLAN_LOG_NOTICE3(s,n1,n2,n3)
    345 	#define WLAN_LOG_NOTICE4(s,n1,n2,n3,n4)
    346 
    347 		#define WLAN_ASSERT(c)
    348 		#define WLAN_HEX_DUMP( l, s, p, n)
    349 
    350 		#define DBFENTER
    351 		#define DBFEXIT
    352 
    353 		#define WLAN_LOG_INFO0(s)
    354 		#define WLAN_LOG_INFO1(s,n)
    355 		#define WLAN_LOG_INFO2(s,n1,n2)
    356 		#define WLAN_LOG_INFO3(s,n1,n2,n3)
    357 		#define WLAN_LOG_INFO4(s,n1,n2,n3,n4)
    358 		#define WLAN_LOG_INFO5(s,n1,n2,n3,n4,n5)
    359 
    360 		#define WLAN_LOG_DEBUG0(l, s)
    361 		#define WLAN_LOG_DEBUG1(l, s,n)
    362 		#define WLAN_LOG_DEBUG2(l, s,n1,n2)
    363 		#define WLAN_LOG_DEBUG3(l, s,n1,n2,n3)
    364 		#define WLAN_LOG_DEBUG4(l, s,n1,n2,n3,n4)
    365 		#define WLAN_LOG_DEBUG5(l, s,n1,n2,n3,n4,n5)
    366 #endif
    367 
    368 #define wlan_ms_per_tick		(1000UL / (wlan_ticks_per_sec))
    369 #define wlan_ms_to_ticks(n)		( (n) / (wlan_ms_per_tick))
    370 #define wlan_tu2ticks(n)		( (n) / (wlan_ms_per_tick))
    371 #define WLAN_INT_DISABLE(n)		{ save_flags((n)); cli(); }
    372 #define WLAN_INT_ENABLE(n)		{ sti(); restore_flags((n)); }
    373 
    374 #ifdef CONFIG_MODVERSIONS
    375 #define MODVERSIONS		1
    376 #include <linux/modversions.h>
    377 #endif
    378 
    379 #ifdef CONFIG_SMP
    380 #define __SMP__			1
    381 #endif
    382 
    383 #ifndef KERNEL_VERSION
    384 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
    385 #endif
    386 
    387 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,17))
    388 #define CONFIG_NETLINK		1
    389 #endif
    390 
    391 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0))
    392 #define kfree_s(a, b)	kfree((a))
    393 #endif
    394 
    395 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,2,18))
    396 #ifndef init_waitqueue_head
    397 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,0,16))
    398 #define init_waitqueue_head(p)  (*(p) = NULL)
    399 #else
    400 #define init_waitqueue_head(p)  init_waitqueue(p)
    401 #endif
    402 typedef struct wait_queue *wait_queue_head_t;
    403 typedef struct wait_queue wait_queue_t;
    404 #define set_current_state(b)  { current->state = (b); mb(); }
    405 #define init_waitqueue_entry(a, b) { (a)->task = current; }
    406 #endif
    407 #endif
    408 
    409 #ifndef wait_event_interruptible_timeout
    410 // retval == 0; signal met; we're good.
    411 // retval < 0; interrupted by signal.
    412 // retval > 0; timed out.
    413 #define __wait_event_interruptible_timeout(wq, condition, timeout, ret)   \
    414 do {                                                                      \
    415         int __ret = 0;                                                    \
    416         if (!(condition)) {                                               \
    417           wait_queue_t __wait;                                            \
    418           unsigned long expire;                                           \
    419           init_waitqueue_entry(&__wait, current);                         \
    420 	                                                                  \
    421           expire = timeout + jiffies;                                     \
    422           add_wait_queue(&wq, &__wait);                                   \
    423           for (;;) {                                                      \
    424                   set_current_state(TASK_INTERRUPTIBLE);                  \
    425                   if (condition)                                          \
    426                           break;                                          \
    427                   if (jiffies > expire) {                                 \
    428                           ret = jiffies - expire;                         \
    429                           break;                                          \
    430                   }                                                       \
    431                   if (!signal_pending(current)) {                         \
    432                           schedule_timeout(timeout);                      \
    433                           continue;                                       \
    434                   }                                                       \
    435                   ret = -ERESTARTSYS;                                     \
    436                   break;                                                  \
    437           }                                                               \
    438           set_current_state(TASK_RUNNING);                                \
    439           remove_wait_queue(&wq, &__wait);                                \
    440 	}                                                                 \
    441 } while (0)
    442 
    443 #define wait_event_interruptible_timeout(wq, condition, timeout)	\
    444 ({									\
    445 	int __ret = 0;							\
    446 	if (!(condition))						\
    447 		__wait_event_interruptible_timeout(wq, condition,	\
    448 						timeout, __ret);	\
    449 	__ret;								\
    450 })
    451 
    452 #endif
    453 
    454 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,90))
    455 #define spin_lock(l)            do { } while (0)
    456 #define spin_unlock(l)          do { } while (0)
    457 #define spin_lock_irqsave(l,f)  do { save_flags(f); cli(); } while (0)
    458 #define spin_unlock_irqrestore(l,f) do { restore_flags(f); } while (0)
    459 #define spin_lock_init(s)       do { } while (0)
    460 #define spin_trylock(l)         (1)
    461 typedef int spinlock_t;
    462 #endif
    463 
    464 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0))
    465 #ifdef CONFIG_SMP
    466 #define spin_is_locked(x)       (*(volatile char *)(&(x)->lock) <= 0)
    467 #else
    468 #define spin_is_locked(l)       (0)
    469 #endif
    470 #endif
    471 
    472 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,3,38))
    473 typedef struct device netdevice_t;
    474 #elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,4))
    475 typedef struct net_device netdevice_t;
    476 #else
    477 #undef netdevice_t
    478 typedef struct net_device netdevice_t;
    479 #endif
    480 
    481 #ifdef WIRELESS_EXT
    482 #if (WIRELESS_EXT < 13)
    483 struct iw_request_info
    484 {
    485         __u16           cmd;            /* Wireless Extension command */
    486         __u16           flags;          /* More to come ;-) */
    487 };
    488 #endif
    489 #endif
    490 
    491 
    492 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,1,18))
    493 #define MODULE_PARM(a,b)        extern int __bogus_decl
    494 #define MODULE_AUTHOR(a)        extern int __bogus_decl
    495 #define MODULE_DESCRIPTION(a)   extern int __bogus_decl
    496 #define MODULE_SUPPORTED_DEVICE(a) extern int __bogus_decl
    497 #undef  GET_USE_COUNT
    498 #define GET_USE_COUNT(m)        mod_use_count_
    499 #endif
    500 
    501 #ifndef MODULE_LICENSE
    502 #define MODULE_LICENSE(m)       extern int __bogus_decl
    503 #endif
    504 
    505 /* TODO:  Do we care about this? */
    506 #ifndef MODULE_DEVICE_TABLE
    507 #define MODULE_DEVICE_TABLE(foo,bar)
    508 #endif
    509 
    510 #define wlan_minutes2ticks(a) ((a)*(wlan_ticks_per_sec *  60))
    511 #define wlan_seconds2ticks(a) ((a)*(wlan_ticks_per_sec))
    512 
    513 /*=============================================================*/
    514 /*------ Hardware Portability Macros --------------------------*/
    515 /*=============================================================*/
    516 
    517 #define ieee2host16(n)	__le16_to_cpu(n)
    518 #define ieee2host32(n)	__le32_to_cpu(n)
    519 #define host2ieee16(n)	__cpu_to_le16(n)
    520 #define host2ieee32(n)	__cpu_to_le32(n)
    521 
    522 #if (WLAN_CPU_FAMILY == WLAN_PPC)
    523        #define wlan_inw(a)                     in_be16((unsigned short *)((a)+_IO_BASE))
    524        #define wlan_inw_le16_to_cpu(a)         inw((a))
    525        #define wlan_outw(v,a)                  out_be16((unsigned short *)((a)+_IO_BASE), (v))
    526        #define wlan_outw_cpu_to_le16(v,a)      outw((v),(a))
    527 #else
    528        #define wlan_inw(a)                     inw((a))
    529        #define wlan_inw_le16_to_cpu(a)         __cpu_to_le16(inw((a)))
    530        #define wlan_outw(v,a)                  outw((v),(a))
    531        #define wlan_outw_cpu_to_le16(v,a)      outw(__cpu_to_le16((v)),(a))
    532 #endif
    533 
    534 /*=============================================================*/
    535 /*--- General Macros ------------------------------------------*/
    536 /*=============================================================*/
    537 
    538 #define wlan_max(a, b) (((a) > (b)) ? (a) : (b))
    539 #define wlan_min(a, b) (((a) < (b)) ? (a) : (b))
    540 
    541 #define wlan_isprint(c)	(((c) > (0x19)) && ((c) < (0x7f)))
    542 
    543 #define wlan_hexchar(x) (((x) < 0x0a) ? ('0' + (x)) : ('a' + ((x) - 0x0a)))
    544 
    545 /* Create a string of printable chars from something that might not be */
    546 /* It's recommended that the str be 4*len + 1 bytes long */
    547 #define wlan_mkprintstr(buf, buflen, str, strlen) \
    548 { \
    549 	int i = 0; \
    550 	int j = 0; \
    551 	memset(str, 0, (strlen)); \
    552 	for (i = 0; i < (buflen); i++) { \
    553 		if ( wlan_isprint((buf)[i]) ) { \
    554 			(str)[j] = (buf)[i]; \
    555 			j++; \
    556 		} else { \
    557 			(str)[j] = '\\'; \
    558 			(str)[j+1] = 'x'; \
    559 			(str)[j+2] = wlan_hexchar(((buf)[i] & 0xf0) >> 4); \
    560 			(str)[j+3] = wlan_hexchar(((buf)[i] & 0x0f)); \
    561 			j += 4; \
    562 		} \
    563 	} \
    564 }
    565 
    566 /*=============================================================*/
    567 /*--- Variables -----------------------------------------------*/
    568 /*=============================================================*/
    569 
    570 extern int wlan_debug;
    571 extern int wlan_ethconv;		/* What's the default ethconv? */
    572 
    573 /*=============================================================*/
    574 /*--- Functions -----------------------------------------------*/
    575 /*=============================================================*/
    576 #endif /* _WLAN_COMPAT_H */
    577 
    578