/*********************************************************************** ** Copyright (C) 2003 ACX100 Open Source Project ** ** The contents of this file are subject to the Mozilla Public ** License Version 1.1 (the "License"); you may not use this file ** except in compliance with the License. You may obtain a copy of ** the License at http://www.mozilla.org/MPL/ ** ** Software distributed under the License is distributed on an "AS ** IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or ** implied. See the License for the specific language governing ** rights and limitations under the License. ** ** Alternatively, the contents of this file may be used under the ** terms of the GNU Public License version 2 (the "GPL"), in which ** case the provisions of the GPL are applicable instead of the ** above. If you wish to allow the use of your version of this file ** only under the terms of the GPL and not to allow others to use ** your version of this file under the MPL, indicate your decision ** by deleting the provisions above and replace them with the notice ** and other provisions required by the GPL. If you do not delete ** the provisions above, a recipient may use your version of this ** file under either the MPL or the GPL. ** --------------------------------------------------------------------- ** Inquiries regarding the ACX100 Open Source Project can be ** made directly to: ** ** acx100-users@lists.sf.net ** http://acx100.sf.net ** --------------------------------------------------------------------- */ /*********************************************************************** ** This code is based on elements which are ** Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved. ** info@linux-wlan.com ** http://www.linux-wlan.com */ /*=============================================================*/ /*------ Establish Platform Identity --------------------------*/ /*=============================================================*/ /* Key macros: */ /* WLAN_CPU_FAMILY */ #define WLAN_Ix86 1 #define WLAN_PPC 2 #define WLAN_Ix96 3 #define WLAN_ARM 4 #define WLAN_ALPHA 5 #define WLAN_MIPS 6 #define WLAN_HPPA 7 #define WLAN_SPARC 8 #define WLAN_SH 9 #define WLAN_x86_64 10 /* WLAN_CPU_CORE */ #define WLAN_I386CORE 1 #define WLAN_PPCCORE 2 #define WLAN_I296 3 #define WLAN_ARMCORE 4 #define WLAN_ALPHACORE 5 #define WLAN_MIPSCORE 6 #define WLAN_HPPACORE 7 /* WLAN_CPU_PART */ #define WLAN_I386PART 1 #define WLAN_MPC860 2 #define WLAN_MPC823 3 #define WLAN_I296SA 4 #define WLAN_PPCPART 5 #define WLAN_ARMPART 6 #define WLAN_ALPHAPART 7 #define WLAN_MIPSPART 8 #define WLAN_HPPAPART 9 /* WLAN_SYSARCH */ #define WLAN_PCAT 1 #define WLAN_MBX 2 #define WLAN_RPX 3 #define WLAN_LWARCH 4 #define WLAN_PMAC 5 #define WLAN_SKIFF 6 #define WLAN_BITSY 7 #define WLAN_ALPHAARCH 7 #define WLAN_MIPSARCH 9 #define WLAN_HPPAARCH 10 /* WLAN_HOSTIF (generally set on the command line, not detected) */ #define WLAN_PCMCIA 1 #define WLAN_ISA 2 #define WLAN_PCI 3 #define WLAN_USB 4 #define WLAN_PLX 5 /* Note: the PLX HOSTIF above refers to some vendors implementations for */ /* PCI. It's a PLX chip that is a PCI to PCMCIA adapter, but it */ /* isn't a real PCMCIA host interface adapter providing all the */ /* card&socket services. */ #ifdef __powerpc__ #ifndef __ppc__ #define __ppc__ #endif #endif #if (defined(CONFIG_PPC) || defined(CONFIG_8xx)) #ifndef __ppc__ #define __ppc__ #endif #endif #if defined(__x86_64__) #define WLAN_CPU_FAMILY WLAN_x86_64 #define WLAN_SYSARCH WLAN_PCAT #elif defined(__i386__) || defined(__i486__) || defined(__i586__) || defined(__i686__) #define WLAN_CPU_FAMILY WLAN_Ix86 #define WLAN_CPU_CORE WLAN_I386CORE #define WLAN_CPU_PART WLAN_I386PART #define WLAN_SYSARCH WLAN_PCAT #elif defined(__ppc__) #define WLAN_CPU_FAMILY WLAN_PPC #define WLAN_CPU_CORE WLAN_PPCCORE #if defined(CONFIG_MBX) #define WLAN_CPU_PART WLAN_MPC860 #define WLAN_SYSARCH WLAN_MBX #elif defined(CONFIG_RPXLITE) #define WLAN_CPU_PART WLAN_MPC823 #define WLAN_SYSARCH WLAN_RPX #elif defined(CONFIG_RPXCLASSIC) #define WLAN_CPU_PART WLAN_MPC860 #define WLAN_SYSARCH WLAN_RPX #else #define WLAN_CPU_PART WLAN_PPCPART #define WLAN_SYSARCH WLAN_PMAC #endif #elif defined(__arm__) #define WLAN_CPU_FAMILY WLAN_ARM #define WLAN_CPU_CORE WLAN_ARMCORE #define WLAN_CPU_PART WLAN_ARM_PART #define WLAN_SYSARCH WLAN_SKIFF #elif defined(__alpha__) #define WLAN_CPU_FAMILY WLAN_ALPHA #define WLAN_CPU_CORE WLAN_ALPHACORE #define WLAN_CPU_PART WLAN_ALPHAPART #define WLAN_SYSARCH WLAN_ALPHAARCH #elif defined(__mips__) #define WLAN_CPU_FAMILY WLAN_MIPS #define WLAN_CPU_CORE WLAN_MIPSCORE #define WLAN_CPU_PART WLAN_MIPSPART #define WLAN_SYSARCH WLAN_MIPSARCH #elif defined(__hppa__) #define WLAN_CPU_FAMILY WLAN_HPPA #define WLAN_CPU_CORE WLAN_HPPACORE #define WLAN_CPU_PART WLAN_HPPAPART #define WLAN_SYSARCH WLAN_HPPAARCH #elif defined(__sparc__) #define WLAN_CPU_FAMILY WLAN_SPARC #define WLAN_SYSARCH WLAN_SPARC #elif defined(__sh__) #define WLAN_CPU_FAMILY WLAN_SH #define WLAN_SYSARCH WLAN_SHARCH #ifndef __LITTLE_ENDIAN__ #define __LITTLE_ENDIAN__ #endif #else #error "No CPU identified!" #endif /* Some big endian machines implicitly do all I/O in little endian mode. In particular: Linux/PPC on PowerMacs (PCI) Arm/Intel Xscale (PCI) This may also affect PLX boards and other BE &| PPC platforms; as new ones are discovered, add them below. */ #if ((WLAN_SYSARCH == WLAN_SKIFF) || (WLAN_SYSARCH == WLAN_PMAC)) #define REVERSE_ENDIAN #endif /*=============================================================*/ /*------ Hardware Portability Macros --------------------------*/ /*=============================================================*/ #if (WLAN_CPU_FAMILY == WLAN_PPC) #define wlan_inw(a) in_be16((unsigned short *)((a)+_IO_BASE)) #define wlan_inw_le16_to_cpu(a) inw((a)) #define wlan_outw(v,a) out_be16((unsigned short *)((a)+_IO_BASE), (v)) #define wlan_outw_cpu_to_le16(v,a) outw((v),(a)) #else #define wlan_inw(a) inw((a)) #define wlan_inw_le16_to_cpu(a) __cpu_to_le16(inw((a))) #define wlan_outw(v,a) outw((v),(a)) #define wlan_outw_cpu_to_le16(v,a) outw(__cpu_to_le16((v)),(a)) #endif /*=============================================================*/ /*------ Bit settings -----------------------------------------*/ /*=============================================================*/ #define ieee2host16(n) __le16_to_cpu(n) #define ieee2host32(n) __le32_to_cpu(n) #define host2ieee16(n) __cpu_to_le16(n) #define host2ieee32(n) __cpu_to_le32(n) /* for constants */ #ifdef __LITTLE_ENDIAN #define IEEE16(a,n) a = n, a##i = n, #else #ifdef __BIG_ENDIAN /* shifts would produce gcc warnings. Oh well... */ #define IEEE16(a,n) a = n, a##i = ((n&0xff)*256 + ((n&0xff00)/256)), #else #error give me endianness or give me death #endif #endif /*=============================================================*/ /*------ Compiler Portability Macros --------------------------*/ /*=============================================================*/ #define WLAN_PACKED __attribute__ ((packed)) /* Interrupt handler backwards compatibility stuff */ #ifndef IRQ_NONE #define IRQ_NONE #define IRQ_HANDLED typedef void irqreturn_t; #endif #ifndef ARPHRD_IEEE80211_PRISM #define ARPHRD_IEEE80211_PRISM 802 #endif #define ETH_P_80211_RAW (ETH_P_ECONET + 1) /*============================================================================* * Constants * *============================================================================*/ #define WLAN_IEEE_OUI_LEN 3 /*============================================================================* * Types * *============================================================================*/ /* local ether header type */ typedef struct wlan_ethhdr { u8 daddr[ETH_ALEN]; u8 saddr[ETH_ALEN]; u16 type; } WLAN_PACKED wlan_ethhdr_t; /* local llc header type */ typedef struct wlan_llc { u8 dsap; u8 ssap; u8 ctl; } WLAN_PACKED wlan_llc_t; /* local snap header type */ typedef struct wlan_snap { u8 oui[WLAN_IEEE_OUI_LEN]; u16 type; } WLAN_PACKED wlan_snap_t;