ar5210desc.h revision 185377
1/* 2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting 3 * Copyright (c) 2002-2004 Atheros Communications, Inc. 4 * 5 * Permission to use, copy, modify, and/or distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 * 17 * $Id: ar5210desc.h,v 1.5 2008/11/10 04:08:02 sam Exp $ 18 */ 19#ifndef _DEV_ATH_AR5210DESC_H 20#define _DEV_ATH_AR5210DESC_H 21 22#include "ah_desc.h" 23 24/* 25 * Defintions for the DMA descriptors used by the Atheros 26 * AR5210/AR5211 and AR5110 Wireless Lan controller parts. 27 */ 28 29/* DMA descriptors */ 30struct ar5210_desc { 31 uint32_t ds_link; /* link pointer */ 32 uint32_t ds_data; /* data buffer pointer */ 33 uint32_t ds_ctl0; /* DMA control 0 */ 34 uint32_t ds_ctl1; /* DMA control 1 */ 35 uint32_t ds_status0; /* DMA status 0 */ 36 uint32_t ds_status1; /* DMA status 1 */ 37} __packed; 38#define AR5210DESC(_ds) ((struct ar5210_desc *)(_ds)) 39#define AR5210DESC_CONST(_ds) ((const struct ar5210_desc *)(_ds)) 40 41/* TX ds_ctl0 */ 42#define AR_FrameLen 0x00000fff /* frame length */ 43#define AR_HdrLen 0x0003f000 /* header length */ 44#define AR_HdrLen_S 12 45#define AR_XmitRate 0x003c0000 /* txrate */ 46#define AR_XmitRate_S 18 47#define AR_Rate_6M 0xb 48#define AR_Rate_9M 0xf 49#define AR_Rate_12M 0xa 50#define AR_Rate_18M 0xe 51#define AR_Rate_24M 0x9 52#define AR_Rate_36M 0xd 53#define AR_Rate_48M 0x8 54#define AR_Rate_54M 0xc 55#define AR_RTSCTSEnable 0x00400000 /* RTS/CTS enable */ 56#define AR_LongPkt 0x00800000 /* long packet indication */ 57#define AR_ClearDestMask 0x01000000 /* Clear destination mask bit */ 58#define AR_AntModeXmit 0x02000000 /* TX antenna seslection */ 59#define AR_FrmType 0x1c000000 /* frame type indication */ 60#define AR_Frm_Normal 0x00000000 /* normal frame */ 61#define AR_Frm_ATIM 0x04000000 /* ATIM frame */ 62#define AR_Frm_PSPOLL 0x08000000 /* PS poll frame */ 63#define AR_Frm_NoDelay 0x0c000000 /* no delay data */ 64#define AR_Frm_PIFS 0x10000000 /* PIFS data */ 65#define AR_TxInterReq 0x20000000 /* TX interrupt request */ 66#define AR_EncryptKeyValid 0x40000000 /* EncryptKeyIdx is valid */ 67 68/* TX ds_ctl1 */ 69#define AR_BufLen 0x00000fff /* data buffer length */ 70#define AR_More 0x00001000 /* more desc in this frame */ 71#define AR_EncryptKeyIdx 0x0007e000 /* encrypt key table index */ 72#define AR_EncryptKeyIdx_S 13 73#define AR_RTSDuration 0xfff80000 /* lower 13bit of duration */ 74 75/* RX ds_ctl1 */ 76/* AR_BufLen 0x00000fff data buffer length */ 77#define AR_RxInterReq 0x00002000 /* RX interrupt request */ 78 79/* TX ds_status0 */ 80#define AR_FrmXmitOK 0x00000001 /* TX success */ 81#define AR_ExcessiveRetries 0x00000002 /* excessive retries */ 82#define AR_FIFOUnderrun 0x00000004 /* TX FIFO underrun */ 83#define AR_Filtered 0x00000008 /* TX filter indication */ 84/* NB: the spec has the Short+Long retry counts reversed */ 85#define AR_LongRetryCnt 0x000000f0 /* long retry count */ 86#define AR_LongRetryCnt_S 4 87#define AR_ShortRetryCnt 0x00000f00 /* short retry count */ 88#define AR_ShortRetryCnt_S 8 89#define AR_SendTimestamp 0xffff0000 /* TX timestamp */ 90#define AR_SendTimestamp_S 16 91 92/* RX ds_status0 */ 93#define AR_DataLen 0x00000fff /* RX data length */ 94/* AR_More 0x00001000 more desc in this frame */ 95#define AR_RcvAntenna 0x00004000 /* received on ant 1 */ 96#define AR_RcvRate 0x00078000 /* reception rate */ 97#define AR_RcvRate_S 15 98#define AR_RcvSigStrength 0x07f80000 /* receive signal strength */ 99#define AR_RcvSigStrength_S 19 100 101/* TX ds_status1 */ 102#define AR_Done 0x00000001 /* descripter complete */ 103#define AR_SeqNum 0x00001ffe /* TX sequence number */ 104#define AR_AckSigStrength 0x001fe000 /* strength of ACK */ 105#define AR_AckSigStrength_S 13 106 107/* RX ds_status1 */ 108/* AR_Done 0x00000001 descripter complete */ 109#define AR_FrmRcvOK 0x00000002 /* frame reception success */ 110#define AR_CRCErr 0x00000004 /* CRC error */ 111#define AR_FIFOOverrun 0x00000008 /* RX FIFO overrun */ 112#define AR_DecryptCRCErr 0x00000010 /* Decryption CRC fiailure */ 113#define AR_PHYErr 0x000000e0 /* PHY error */ 114#define AR_PHYErr_S 5 115#define AR_PHYErr_NoErr 0x00000000 /* No error */ 116#define AR_PHYErr_Tim 0x00000020 /* Timing error */ 117#define AR_PHYErr_Par 0x00000040 /* Parity error */ 118#define AR_PHYErr_Rate 0x00000060 /* Illegal rate */ 119#define AR_PHYErr_Len 0x00000080 /* Illegal length */ 120#define AR_PHYErr_QAM 0x000000a0 /* 64 QAM rate */ 121#define AR_PHYErr_Srv 0x000000c0 /* Service bit error */ 122#define AR_PHYErr_TOR 0x000000e0 /* Transmit override receive */ 123#define AR_KeyIdxValid 0x00000100 /* decryption key index valid */ 124#define AR_KeyIdx 0x00007e00 /* Decryption key index */ 125#define AR_KeyIdx_S 9 126#define AR_RcvTimestamp 0x0fff8000 /* timestamp */ 127#define AR_RcvTimestamp_S 15 128#define AR_KeyCacheMiss 0x10000000 /* key cache miss indication */ 129 130#endif /* _DEV_ATH_AR5210DESC_H_ */ 131