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1 /*
2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  *
20  * File: datarate.h
21  *
22  * Purpose: Handles the auto fallback & data rates functions
23  *
24  * Author: Lyndon Chen
25  *
26  * Date: July 16, 2002
27  *
28  */
29 #ifndef __DATARATE_H__
30 #define __DATARATE_H__
31 
32 #define FALLBACK_PKT_COLLECT_TR_H  50
33 #define FALLBACK_PKT_COLLECT_TR_L  10
34 #define FALLBACK_POLL_SECOND       5
35 #define FALLBACK_RECOVER_SECOND    30
36 #define FALLBACK_THRESHOLD         15
37 #define UPGRADE_THRESHOLD          5
38 #define UPGRADE_CNT_THRD           3
39 #define RETRY_TIMES_THRD_H         2
40 #define RETRY_TIMES_THRD_L         1
41 
42 void
43 RATEvParseMaxRate(
44 	void *pDeviceHandler,
45 	PWLAN_IE_SUPP_RATES pItemRates,
46 	PWLAN_IE_SUPP_RATES pItemExtRates,
47 	bool bUpdateBasicRate,
48 	unsigned short *pwMaxBasicRate,
49 	unsigned short *pwMaxSuppRate,
50 	unsigned short *pwSuppRate,
51 	unsigned char *pbyTopCCKRate,
52 	unsigned char *pbyTopOFDMRate
53 );
54 
55 void
56 RATEvTxRateFallBack(
57 	void *pDeviceHandler,
58 	PKnownNodeDB psNodeDBTable
59 );
60 
61 unsigned char
62 RATEuSetIE(
63 	PWLAN_IE_SUPP_RATES pSrcRates,
64 	PWLAN_IE_SUPP_RATES pDstRates,
65 	unsigned int uRateLen
66 );
67 
68 unsigned short
69 wGetRateIdx(
70 	unsigned char byRate
71 );
72 
73 unsigned char
74 DATARATEbyGetRateIdx(
75 	unsigned char byRate
76 );
77 
78 #endif //__DATARATE_H__
79