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/*
* Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
* Copyright (c) 2002-2008 Atheros Communications, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD: release/9.1.0/sys/dev/ath/ath_hal/ar5212/ar5212desc.h 204644 2010-03-03 17:32:32Z rpaulo $
*/
#ifndef _ATH_AR5212_DESC_H_
#define _ATH_AR5212_DESC_H_
/*
* Hardware-specific descriptor structures.
*/
#include "ah_desc.h"
/*
* AR5212-specific tx/rx descriptor definition.
*/
struct ar5212_desc {
uint32_t ds_link; /* link pointer */
uint32_t ds_data; /* data buffer pointer */
uint32_t ds_ctl0; /* DMA control 0 */
uint32_t ds_ctl1; /* DMA control 1 */
union {
struct { /* xmit format */
uint32_t ctl2; /* DMA control 2 */
uint32_t ctl3; /* DMA control 3 */
uint32_t status0;/* DMA status 0 */
uint32_t status1;/* DMA status 1 */
} tx;
struct { /* recv format */
uint32_t status0;/* DMA status 0 */
uint32_t status1;/* DMA status 1 */
} rx;
} u;
} __packed;
#define AR5212DESC(_ds) ((struct ar5212_desc *)(_ds))
#define AR5212DESC_CONST(_ds) ((const struct ar5212_desc *)(_ds))
#define ds_ctl2 u.tx.ctl2
#define ds_ctl3 u.tx.ctl3
#define ds_txstatus0 u.tx.status0
#define ds_txstatus1 u.tx.status1
#define ds_rxstatus0 u.rx.status0
#define ds_rxstatus1 u.rx.status1
/* TX ds_ctl0 */
#define AR_FrameLen 0x00000fff /* frame length */
/* bits 12-15 are reserved */
#define AR_XmitPower 0x003f0000 /* transmit power control */
#define AR_XmitPower_S 16
#define AR_RTSCTSEnable 0x00400000 /* RTS/CTS protocol enable */
#define AR_VEOL 0x00800000 /* virtual end-of-list */
#define AR_ClearDestMask 0x01000000 /* Clear destination mask bit */
#define AR_AntModeXmit 0x1e000000 /* TX antenna seslection */
#define AR_AntModeXmit_S 25
#define AR_TxInterReq 0x20000000 /* TX interrupt request */
#define AR_DestIdxValid 0x40000000 /* destination index valid */
#define AR_CTSEnable 0x80000000 /* precede frame with CTS */
/* TX ds_ctl1 */
#define AR_BufLen 0x00000fff /* data buffer length */
#define AR_More 0x00001000 /* more desc in this frame */
#define AR_DestIdx 0x000fe000 /* destination table index */
#define AR_DestIdx_S 13
#define AR_FrmType 0x00f00000 /* frame type indication */
#define AR_FrmType_S 20
#define AR_NoAck 0x01000000 /* No ACK flag */
#define AR_CompProc 0x06000000 /* compression processing */
#define AR_CompProc_S 25
#define AR_CompIVLen 0x18000000 /* length of frame IV */
#define AR_CompIVLen_S 27
#define AR_CompICVLen 0x60000000 /* length of frame ICV */
#define AR_CompICVLen_S 29
/* bit 31 is reserved */
/* TX ds_ctl2 */
#define AR_RTSCTSDuration 0x00007fff /* RTS/CTS duration */
#define AR_RTSCTSDuration_S 0
#define AR_DurUpdateEna 0x00008000 /* frame duration update ctl */
#define AR_XmitDataTries0 0x000f0000 /* series 0 max attempts */
#define AR_XmitDataTries0_S 16
#define AR_XmitDataTries1 0x00f00000 /* series 1 max attempts */
#define AR_XmitDataTries1_S 20
#define AR_XmitDataTries2 0x0f000000 /* series 2 max attempts */
#define AR_XmitDataTries2_S 24
#define AR_XmitDataTries3 0xf0000000 /* series 3 max attempts */
#define AR_XmitDataTries3_S 28
/* TX ds_ctl3 */
#define AR_XmitRate0 0x0000001f /* series 0 tx rate */
#define AR_XmitRate0_S 0
#define AR_XmitRate1 0x000003e0 /* series 1 tx rate */
#define AR_XmitRate1_S 5
#define AR_XmitRate2 0x00007c00 /* series 2 tx rate */
#define AR_XmitRate2_S 10
#define AR_XmitRate3 0x000f8000 /* series 3 tx rate */
#define AR_XmitRate3_S 15
#define AR_RTSCTSRate 0x01f00000 /* RTS or CTS rate */
#define AR_RTSCTSRate_S 20
/* bits 25-31 are reserved */
/* RX ds_ctl1 */
/* AR_BufLen 0x00000fff data buffer length */
/* bit 12 is reserved */
#define AR_RxInterReq 0x00002000 /* RX interrupt request */
/* bits 14-31 are reserved */
/* TX ds_txstatus0 */
#define AR_FrmXmitOK 0x00000001 /* TX success */
#define AR_ExcessiveRetries 0x00000002 /* excessive retries */
#define AR_FIFOUnderrun 0x00000004 /* TX FIFO underrun */
#define AR_Filtered 0x00000008 /* TX filter indication */
#define AR_RTSFailCnt 0x000000f0 /* RTS failure count */
#define AR_RTSFailCnt_S 4
#define AR_DataFailCnt 0x00000f00 /* Data failure count */
#define AR_DataFailCnt_S 8
#define AR_VirtCollCnt 0x0000f000 /* virtual collision count */
#define AR_VirtCollCnt_S 12
#define AR_SendTimestamp 0xffff0000 /* TX timestamp */
#define AR_SendTimestamp_S 16
/* RX ds_rxstatus0 */
#define AR_DataLen 0x00000fff /* RX data length */
/* AR_More 0x00001000 more desc in this frame */
#define AR_DecompCRCErr 0x00002000 /* decompression CRC error */
/* bit 14 is reserved */
#define AR_RcvRate 0x000f8000 /* reception rate */
#define AR_RcvRate_S 15
#define AR_RcvSigStrength 0x0ff00000 /* receive signal strength */
#define AR_RcvSigStrength_S 20
#define AR_RcvAntenna 0xf0000000 /* receive antenaa */
#define AR_RcvAntenna_S 28
/* TX ds_txstatus1 */
#define AR_Done 0x00000001 /* descripter complete */
#define AR_SeqNum 0x00001ffe /* TX sequence number */
#define AR_SeqNum_S 1
#define AR_AckSigStrength 0x001fe000 /* strength of ACK */
#define AR_AckSigStrength_S 13
#define AR_FinalTSIndex 0x00600000 /* final TX attempt series ix */
#define AR_FinalTSIndex_S 21
#define AR_CompSuccess 0x00800000 /* compression status */
#define AR_XmitAtenna 0x01000000 /* transmit antenna */
/* bits 25-31 are reserved */
/* RX ds_rxstatus1 */
/* AR_Done 0x00000001 descripter complete */
#define AR_FrmRcvOK 0x00000002 /* frame reception success */
#define AR_CRCErr 0x00000004 /* CRC error */
#define AR_DecryptCRCErr 0x00000008 /* Decryption CRC fiailure */
#define AR_PHYErr 0x00000010 /* PHY error */
#define AR_MichaelErr 0x00000020 /* Michae MIC decrypt error */
/* bits 6-7 are reserved */
#define AR_KeyIdxValid 0x00000100 /* decryption key index valid */
#define AR_KeyIdx 0x0000fe00 /* Decryption key index */
#define AR_KeyIdx_S 9
#define AR_RcvTimestamp 0x7fff0000 /* timestamp */
#define AR_RcvTimestamp_S 16
#define AR_KeyCacheMiss 0x80000000 /* key cache miss indication */
/* NB: phy error code overlays key index and valid fields */
#define AR_PHYErrCode 0x0000ff00 /* PHY error code */
#define AR_PHYErrCode_S 8
#endif /* _ATH_AR5212_DESC_H_ */