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/*---------------------  Export Definitions -------------------------*/
33
34#define FALLBACK_PKT_COLLECT_TR_H  50   // pkts
35#define FALLBACK_PKT_COLLECT_TR_L  10   // pkts
36#define FALLBACK_POLL_SECOND       5    // 5 sec
37#define FALLBACK_RECOVER_SECOND    30   // 30 sec
38#define FALLBACK_THRESHOLD         15   // percent
39#define UPGRADE_THRESHOLD          5    // percent
40#define UPGRADE_CNT_THRD           3    // times
41#define RETRY_TIMES_THRD_H         2    // times
42#define RETRY_TIMES_THRD_L         1    // times
43
44
45#define RATE_1M         0
46#define RATE_2M         1
47#define RATE_5M         2
48#define RATE_11M        3
49#define RATE_6M         4
50#define RATE_9M         5
51#define RATE_12M        6
52#define RATE_18M        7
53#define RATE_24M        8
54#define RATE_36M        9
55#define RATE_48M       10
56#define RATE_54M       11
57#define RATE_AUTO      12
58#define MAX_RATE       12
59
60/*---------------------  Export Classes  ----------------------------*/
61
62/*---------------------  Export Variables  --------------------------*/
63
64
65/*---------------------  Export Types  ------------------------------*/
66
67
68/*---------------------  Export Functions  --------------------------*/
69
70
71
72void
73RATEvParseMaxRate(
74     void *pDeviceHandler,
75     PWLAN_IE_SUPP_RATES pItemRates,
76     PWLAN_IE_SUPP_RATES pItemExtRates,
77     BOOL bUpdateBasicRate,
78     PWORD pwMaxBasicRate,
79     PWORD pwMaxSuppRate,
80     PWORD pwSuppRate,
81     PBYTE pbyTopCCKRate,
82     PBYTE pbyTopOFDMRate
83    );
84
85void
86RATEvTxRateFallBack(
87     void *pDeviceHandler,
88     PKnownNodeDB psNodeDBTable
89    );
90
91BYTE
92RATEuSetIE(
93     PWLAN_IE_SUPP_RATES pSrcRates,
94     PWLAN_IE_SUPP_RATES pDstRates,
95     unsigned int                uRateLen
96    );
97
98WORD
99RATEwGetRateIdx(
100     BYTE byRate
101    );
102
103
104BYTE
105DATARATEbyGetRateIdx(
106     BYTE byRate
107    );
108
109#endif /* __DATARATE_H__ */
110