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1 | /****************************************************************************** |
2 | * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. | |
3 | * | |
4 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
5 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
6 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
7 | * more details. | |
8 | * | |
94a79942 LF |
9 | * The full GNU General Public License is included in this distribution in the |
10 | * file called LICENSE. | |
11 | * | |
12 | * Contact Information: | |
13 | * wlanfae <wlanfae@realtek.com> | |
14 | ******************************************************************************/ | |
15 | #include "dot11d.h" | |
16 | ||
17 | struct channel_list { | |
18 | u8 Channel[32]; | |
19 | u8 Len; | |
20 | }; | |
21 | ||
22 | static struct channel_list ChannelPlan[] = { | |
23 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 36, 40, 44, 48, 52, 56, 60, 64, | |
24 | 149, 153, 157, 161, 165}, 24}, | |
25 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, | |
26 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, 56, | |
27 | 60, 64}, 21}, | |
28 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, | |
29 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, | |
30 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, | |
31 | 56, 60, 64}, 22}, | |
32 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, | |
33 | 56, 60, 64}, 22}, | |
34 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, | |
35 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, | |
36 | 56, 60, 64}, 22}, | |
37 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 36, 40, 44, 48, 52, | |
38 | 56, 60, 64}, 22}, | |
39 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}, | |
40 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, | |
41 | {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 36, 40, 44, 48, 52, | |
42 | 56, 60, 64}, 21} | |
43 | }; | |
44 | ||
976d5341 | 45 | void dot11d_init(struct rtllib_device *ieee) |
94a79942 LF |
46 | { |
47 | struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(ieee); | |
3a6b70c3 | 48 | |
94a79942 LF |
49 | pDot11dInfo->bEnabled = false; |
50 | ||
51 | pDot11dInfo->State = DOT11D_STATE_NONE; | |
52 | pDot11dInfo->CountryIeLen = 0; | |
53 | memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1); | |
54 | memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); | |
55 | RESET_CIE_WATCHDOG(ieee); | |
56 | ||
57 | } | |
976d5341 | 58 | EXPORT_SYMBOL(dot11d_init); |
94a79942 LF |
59 | |
60 | void Dot11d_Channelmap(u8 channel_plan, struct rtllib_device *ieee) | |
61 | { | |
62 | int i, max_chan = 14, min_chan = 1; | |
63 | ||
64 | ieee->bGlobalDomain = false; | |
65 | ||
66 | if (ChannelPlan[channel_plan].Len != 0) { | |
67 | memset(GET_DOT11D_INFO(ieee)->channel_map, 0, | |
68 | sizeof(GET_DOT11D_INFO(ieee)->channel_map)); | |
69 | for (i = 0; i < ChannelPlan[channel_plan].Len; i++) { | |
70 | if (ChannelPlan[channel_plan].Channel[i] < min_chan || | |
71 | ChannelPlan[channel_plan].Channel[i] > max_chan) | |
72 | break; | |
73 | GET_DOT11D_INFO(ieee)->channel_map[ChannelPlan | |
74 | [channel_plan].Channel[i]] = 1; | |
75 | } | |
76 | } | |
77 | ||
78 | switch (channel_plan) { | |
79 | case COUNTRY_CODE_GLOBAL_DOMAIN: | |
80 | ieee->bGlobalDomain = true; | |
81 | for (i = 12; i <= 14; i++) | |
82 | GET_DOT11D_INFO(ieee)->channel_map[i] = 2; | |
83 | ieee->IbssStartChnl = 10; | |
84 | ieee->ibss_maxjoin_chal = 11; | |
85 | break; | |
86 | ||
87 | case COUNTRY_CODE_WORLD_WIDE_13: | |
88 | for (i = 12; i <= 13; i++) | |
89 | GET_DOT11D_INFO(ieee)->channel_map[i] = 2; | |
90 | ieee->IbssStartChnl = 10; | |
91 | ieee->ibss_maxjoin_chal = 11; | |
92 | break; | |
93 | ||
94 | default: | |
95 | ieee->IbssStartChnl = 1; | |
96 | ieee->ibss_maxjoin_chal = 14; | |
97 | break; | |
98 | } | |
99 | } | |
3b28499c | 100 | EXPORT_SYMBOL(Dot11d_Channelmap); |
94a79942 LF |
101 | |
102 | ||
103 | void Dot11d_Reset(struct rtllib_device *ieee) | |
104 | { | |
105 | struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(ieee); | |
106 | u32 i; | |
107 | ||
108 | memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1); | |
109 | memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); | |
110 | for (i = 1; i <= 11; i++) | |
111 | (pDot11dInfo->channel_map)[i] = 1; | |
112 | for (i = 12; i <= 14; i++) | |
113 | (pDot11dInfo->channel_map)[i] = 2; | |
114 | pDot11dInfo->State = DOT11D_STATE_NONE; | |
115 | pDot11dInfo->CountryIeLen = 0; | |
116 | RESET_CIE_WATCHDOG(ieee); | |
117 | } | |
118 | ||
119 | void Dot11d_UpdateCountryIe(struct rtllib_device *dev, u8 *pTaddr, | |
120 | u16 CoutryIeLen, u8 *pCoutryIe) | |
121 | { | |
122 | struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev); | |
123 | u8 i, j, NumTriples, MaxChnlNum; | |
124 | struct chnl_txpow_triple *pTriple; | |
125 | ||
126 | memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1); | |
127 | memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1); | |
128 | MaxChnlNum = 0; | |
129 | NumTriples = (CoutryIeLen - 3) / 3; | |
130 | pTriple = (struct chnl_txpow_triple *)(pCoutryIe + 3); | |
131 | for (i = 0; i < NumTriples; i++) { | |
132 | if (MaxChnlNum >= pTriple->FirstChnl) { | |
eb5dd416 | 133 | netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n"); |
94a79942 LF |
134 | return; |
135 | } | |
136 | if (MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + | |
137 | pTriple->NumChnls)) { | |
eb5dd416 | 138 | netdev_info(dev->dev, "Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n"); |
94a79942 LF |
139 | return; |
140 | } | |
141 | ||
f249da27 | 142 | for (j = 0; j < pTriple->NumChnls; j++) { |
94a79942 LF |
143 | pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1; |
144 | pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] = | |
145 | pTriple->MaxTxPowerInDbm; | |
146 | MaxChnlNum = pTriple->FirstChnl + j; | |
147 | } | |
148 | ||
f222c70c | 149 | pTriple = (struct chnl_txpow_triple *)((u8 *)pTriple + 3); |
94a79942 LF |
150 | } |
151 | ||
152 | UPDATE_CIE_SRC(dev, pTaddr); | |
153 | ||
154 | pDot11dInfo->CountryIeLen = CoutryIeLen; | |
155 | memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe, CoutryIeLen); | |
156 | pDot11dInfo->State = DOT11D_STATE_LEARNED; | |
157 | } | |
158 | ||
94a79942 LF |
159 | void DOT11D_ScanComplete(struct rtllib_device *dev) |
160 | { | |
161 | struct rt_dot11d_info *pDot11dInfo = GET_DOT11D_INFO(dev); | |
162 | ||
163 | switch (pDot11dInfo->State) { | |
164 | case DOT11D_STATE_LEARNED: | |
165 | pDot11dInfo->State = DOT11D_STATE_DONE; | |
166 | break; | |
167 | case DOT11D_STATE_DONE: | |
168 | Dot11d_Reset(dev); | |
169 | break; | |
170 | case DOT11D_STATE_NONE: | |
171 | break; | |
172 | } | |
173 | } |