2 //-----------------------------------------------------------------------------
9 //-----------------------------------------------------------------------------
14 Dot11d_Init(struct ieee80211_device *ieee)
16 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
18 pDot11dInfo->bEnabled = 0;
20 pDot11dInfo->State = DOT11D_STATE_NONE;
21 pDot11dInfo->CountryIeLen = 0;
22 memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
23 memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
24 RESET_CIE_WATCHDOG(ieee);
26 printk("Dot11d_Init()\n");
31 // Reset to the state as we are just entering a regulatory domain.
34 Dot11d_Reset(struct ieee80211_device *ieee)
37 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
39 if(!pDot11dInfo->bEnabled)
42 // Clear old channel map
43 memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
44 memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
45 // Set new channel map
46 for (i=1; i<=11; i++) {
47 (pDot11dInfo->channel_map)[i] = 1;
49 for (i=12; i<=14; i++) {
50 (pDot11dInfo->channel_map)[i] = 2;
53 pDot11dInfo->State = DOT11D_STATE_NONE;
54 pDot11dInfo->CountryIeLen = 0;
55 RESET_CIE_WATCHDOG(ieee);
60 // Update country IE from Beacon or Probe Resopnse
61 // and configure PHY for operation in the regulatory domain.
64 // Configure Tx power.
67 // 1. IS_DOT11D_ENABLE() is TRUE.
68 // 2. Input IE is an valid one.
71 Dot11d_UpdateCountryIe(
72 struct ieee80211_device *dev,
78 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
79 u8 i, j, NumTriples, MaxChnlNum;
80 PCHNL_TXPOWER_TRIPLE pTriple;
82 memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
83 memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
85 NumTriples = (CoutryIeLen - 3) / 3; // skip 3-byte country string.
86 pTriple = (PCHNL_TXPOWER_TRIPLE)(pCoutryIe + 3);
87 for(i = 0; i < NumTriples; i++)
89 if(MaxChnlNum >= pTriple->FirstChnl)
90 { // It is not in a monotonically increasing order, so stop processing.
91 printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
94 if(MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls))
95 { // It is not a valid set of channel id, so stop processing.
96 printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n");
100 for(j = 0 ; j < pTriple->NumChnls; j++)
102 pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1;
103 pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] = pTriple->MaxTxPowerInDbm;
104 MaxChnlNum = pTriple->FirstChnl + j;
107 pTriple = (PCHNL_TXPOWER_TRIPLE)((u8*)pTriple + 3);
110 printk("Channel List:");
111 for(i=1; i<= MAX_CHANNEL_NUMBER; i++)
112 if(pDot11dInfo->channel_map[i] > 0)
117 UPDATE_CIE_SRC(dev, pTaddr);
119 pDot11dInfo->CountryIeLen = CoutryIeLen;
120 memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe,CoutryIeLen);
121 pDot11dInfo->State = DOT11D_STATE_LEARNED;
126 DOT11D_GetMaxTxPwrInDbm(
127 struct ieee80211_device *dev,
131 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
132 u8 MaxTxPwrInDbm = 255;
134 if(MAX_CHANNEL_NUMBER < Channel)
136 printk("DOT11D_GetMaxTxPwrInDbm(): Invalid Channel\n");
137 return MaxTxPwrInDbm;
139 if(pDot11dInfo->channel_map[Channel])
141 MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel];
144 return MaxTxPwrInDbm;
150 struct ieee80211_device * dev
153 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
155 switch(pDot11dInfo->State)
157 case DOT11D_STATE_LEARNED:
158 pDot11dInfo->State = DOT11D_STATE_DONE;
161 case DOT11D_STATE_DONE:
162 if( GET_CIE_WATCHDOG(dev) == 0 )
163 { // Reset country IE if previous one is gone.
167 case DOT11D_STATE_NONE:
173 struct ieee80211_device * dev,
177 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
179 if(MAX_CHANNEL_NUMBER < channel)
181 printk("IsLegalChannel(): Invalid Channel\n");
184 if(pDot11dInfo->channel_map[channel] > 0)
190 struct ieee80211_device * dev,
194 PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
198 for (i=1; i<= MAX_CHANNEL_NUMBER; i++)
200 if(pDot11dInfo->channel_map[i] > 0)
207 if(MAX_CHANNEL_NUMBER < channel)
209 printk("IsLegalChannel(): Invalid Channel\n");
213 if(pDot11dInfo->channel_map[channel] > 0)