2 * Copyright (c) 2002-2008 Sam Leffler, Errno Consulting
3 * Copyright (c) 2002-2006 Atheros Communications, Inc.
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.
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.
19 #ifndef _DEV_ATH_AR5211DESC_H
20 #define _DEV_ATH_AR5211DESC_H
23 * Defintions for the DMA descriptors used by the Atheros
24 * AR5211 and AR5110 Wireless Lan controller parts.
29 uint32_t ds_link; /* link pointer */
30 uint32_t ds_data; /* data buffer pointer */
31 uint32_t ds_ctl0; /* DMA control 0 */
32 uint32_t ds_ctl1; /* DMA control 1 */
33 uint32_t ds_status0; /* DMA status 0 */
34 uint32_t ds_status1; /* DMA status 1 */
36 #define AR5211DESC(_ds) ((struct ar5211_desc *)(_ds))
37 #define AR5211DESC_CONST(_ds) ((const struct ar5211_desc *)(_ds))
40 #define AR_FrameLen 0x00000fff /* frame length */
41 /* bits 12-17 are reserved */
42 #define AR_XmitRate 0x003c0000 /* txrate */
43 #define AR_XmitRate_S 18
44 #define AR_RTSCTSEnable 0x00400000 /* RTS/CTS enable */
45 #define AR_VEOL 0x00800000 /* virtual end-of-list */
46 #define AR_ClearDestMask 0x01000000 /* Clear destination mask bit */
47 #define AR_AntModeXmit 0x1e000000 /* TX antenna seslection */
48 #define AR_AntModeXmit_S 25
49 #define AR_TxInterReq 0x20000000 /* TX interrupt request */
50 #define AR_EncryptKeyValid 0x40000000 /* EncryptKeyIdx is valid */
51 /* bit 31 is reserved */
54 #define AR_BufLen 0x00000fff /* data buffer length */
55 #define AR_More 0x00001000 /* more desc in this frame */
56 #define AR_EncryptKeyIdx 0x000fe000 /* ecnrypt key table index */
57 #define AR_EncryptKeyIdx_S 13
58 #define AR_FrmType 0x00700000 /* frame type indication */
59 #define AR_FrmType_S 20
60 #define AR_Frm_Normal 0x00000000 /* normal frame */
61 #define AR_Frm_ATIM 0x00100000 /* ATIM frame */
62 #define AR_Frm_PSPOLL 0x00200000 /* PS poll frame */
63 #define AR_Frm_Beacon 0x00300000 /* Beacon frame */
64 #define AR_Frm_ProbeResp 0x00400000 /* no delay data */
65 #define AR_NoAck 0x00800000 /* No ACK flag */
66 /* bits 24-31 are reserved */
69 /* AR_BufLen 0x00000fff data buffer length */
70 /* bit 12 is reserved */
71 #define AR_RxInterReq 0x00002000 /* RX interrupt request */
72 /* bits 14-31 are reserved */
75 #define AR_FrmXmitOK 0x00000001 /* TX success */
76 #define AR_ExcessiveRetries 0x00000002 /* excessive retries */
77 #define AR_FIFOUnderrun 0x00000004 /* TX FIFO underrun */
78 #define AR_Filtered 0x00000008 /* TX filter indication */
79 /* NB: the spec has the Short+Long retry counts reversed */
80 #define AR_LongRetryCnt 0x000000f0 /* long retry count */
81 #define AR_LongRetryCnt_S 4
82 #define AR_ShortRetryCnt 0x00000f00 /* short retry count */
83 #define AR_ShortRetryCnt_S 8
84 #define AR_VirtCollCnt 0x0000f000 /* virtual collision count */
85 #define AR_VirtCollCnt_S 12
86 #define AR_SendTimestamp 0xffff0000 /* TX timestamp */
87 #define AR_SendTimestamp_S 16
90 #define AR_DataLen 0x00000fff /* RX data length */
91 /* AR_More 0x00001000 more desc in this frame */
92 /* bits 13-14 are reserved */
93 #define AR_RcvRate 0x00078000 /* reception rate */
94 #define AR_RcvRate_S 15
95 #define AR_RcvSigStrength 0x07f80000 /* receive signal strength */
96 #define AR_RcvSigStrength_S 19
97 #define AR_RcvAntenna 0x38000000 /* receive antenaa */
98 #define AR_RcvAntenna_S 27
99 /* bits 30-31 are reserved */
102 #define AR_Done 0x00000001 /* descripter complete */
103 #define AR_SeqNum 0x00001ffe /* TX sequence number */
104 #define AR_SeqNum_S 1
105 #define AR_AckSigStrength 0x001fe000 /* strength of ACK */
106 #define AR_AckSigStrength_S 13
107 /* bits 21-31 are reserved */
110 /* AR_Done 0x00000001 descripter complete */
111 #define AR_FrmRcvOK 0x00000002 /* frame reception success */
112 #define AR_CRCErr 0x00000004 /* CRC error */
114 #define AR_DecryptCRCErr 0x00000010 /* Decryption CRC fiailure */
115 #define AR_PHYErr 0x000000e0 /* PHY error */
116 #define AR_PHYErr_S 5
117 #define AR_PHYErr_Underrun 0x00000000 /* Transmit underrun */
118 #define AR_PHYErr_Tim 0x00000020 /* Timing error */
119 #define AR_PHYErr_Par 0x00000040 /* Parity error */
120 #define AR_PHYErr_Rate 0x00000060 /* Illegal rate */
121 #define AR_PHYErr_Len 0x00000080 /* Illegal length */
122 #define AR_PHYErr_Radar 0x000000a0 /* Radar detect */
123 #define AR_PHYErr_Srv 0x000000c0 /* Illegal service */
124 #define AR_PHYErr_TOR 0x000000e0 /* Transmit override receive */
125 #define AR_KeyIdxValid 0x00000100 /* decryption key index valid */
126 #define AR_KeyIdx 0x00007e00 /* Decryption key index */
127 #define AR_KeyIdx_S 9
128 #define AR_RcvTimestamp 0x0fff8000 /* timestamp */
129 #define AR_RcvTimestamp_S 15
130 #define AR_KeyCacheMiss 0x10000000 /* key cache miss indication */
132 #endif /* _DEV_ATH_AR5211DESC_H_ */