Commit | Line | Data |
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fee52678 JB |
1 | /* |
2 | * cfg80211 - wext compat code | |
3 | * | |
4 | * This is temporary code until all wireless functionality is migrated | |
5 | * into cfg80211, when that happens all the exports here go away and | |
6 | * we directly assign the wireless handlers of wireless interfaces. | |
7 | * | |
8 | * Copyright 2008 Johannes Berg <johannes@sipsolutions.net> | |
9 | */ | |
10 | ||
11 | #include <linux/wireless.h> | |
12 | #include <linux/nl80211.h> | |
13 | #include <net/iw_handler.h> | |
14 | #include <net/wireless.h> | |
15 | #include <net/cfg80211.h> | |
16 | #include "core.h" | |
17 | ||
18 | int cfg80211_wext_giwname(struct net_device *dev, | |
19 | struct iw_request_info *info, | |
20 | char *name, char *extra) | |
21 | { | |
22 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
23 | struct ieee80211_supported_band *sband; | |
24 | bool is_ht = false, is_a = false, is_b = false, is_g = false; | |
25 | ||
26 | if (!wdev) | |
27 | return -EOPNOTSUPP; | |
28 | ||
29 | sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ]; | |
30 | if (sband) { | |
31 | is_a = true; | |
32 | is_ht |= sband->ht_cap.ht_supported; | |
33 | } | |
34 | ||
35 | sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ]; | |
36 | if (sband) { | |
37 | int i; | |
38 | /* Check for mandatory rates */ | |
39 | for (i = 0; i < sband->n_bitrates; i++) { | |
40 | if (sband->bitrates[i].bitrate == 10) | |
41 | is_b = true; | |
42 | if (sband->bitrates[i].bitrate == 60) | |
43 | is_g = true; | |
44 | } | |
45 | is_ht |= sband->ht_cap.ht_supported; | |
46 | } | |
47 | ||
48 | strcpy(name, "IEEE 802.11"); | |
49 | if (is_a) | |
50 | strcat(name, "a"); | |
51 | if (is_b) | |
52 | strcat(name, "b"); | |
53 | if (is_g) | |
54 | strcat(name, "g"); | |
55 | if (is_ht) | |
56 | strcat(name, "n"); | |
57 | ||
58 | return 0; | |
59 | } | |
60 | EXPORT_SYMBOL(cfg80211_wext_giwname); | |
e60c7744 JB |
61 | |
62 | int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, | |
63 | u32 *mode, char *extra) | |
64 | { | |
65 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
66 | struct cfg80211_registered_device *rdev; | |
67 | struct vif_params vifparams; | |
68 | enum nl80211_iftype type; | |
ac7f9cfa | 69 | int ret; |
e60c7744 JB |
70 | |
71 | if (!wdev) | |
72 | return -EOPNOTSUPP; | |
73 | ||
74 | rdev = wiphy_to_dev(wdev->wiphy); | |
75 | ||
76 | if (!rdev->ops->change_virtual_intf) | |
77 | return -EOPNOTSUPP; | |
78 | ||
79 | /* don't support changing VLANs, you just re-create them */ | |
80 | if (wdev->iftype == NL80211_IFTYPE_AP_VLAN) | |
81 | return -EOPNOTSUPP; | |
82 | ||
83 | switch (*mode) { | |
84 | case IW_MODE_INFRA: | |
85 | type = NL80211_IFTYPE_STATION; | |
86 | break; | |
87 | case IW_MODE_ADHOC: | |
88 | type = NL80211_IFTYPE_ADHOC; | |
89 | break; | |
90 | case IW_MODE_REPEAT: | |
91 | type = NL80211_IFTYPE_WDS; | |
92 | break; | |
93 | case IW_MODE_MONITOR: | |
94 | type = NL80211_IFTYPE_MONITOR; | |
95 | break; | |
96 | default: | |
97 | return -EINVAL; | |
98 | } | |
99 | ||
ac7f9cfa JB |
100 | if (type == wdev->iftype) |
101 | return 0; | |
102 | ||
e60c7744 JB |
103 | memset(&vifparams, 0, sizeof(vifparams)); |
104 | ||
ac7f9cfa JB |
105 | ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type, |
106 | NULL, &vifparams); | |
107 | WARN_ON(!ret && wdev->iftype != type); | |
108 | ||
109 | return ret; | |
e60c7744 JB |
110 | } |
111 | EXPORT_SYMBOL(cfg80211_wext_siwmode); | |
112 | ||
113 | int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, | |
114 | u32 *mode, char *extra) | |
115 | { | |
116 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
117 | ||
118 | if (!wdev) | |
119 | return -EOPNOTSUPP; | |
120 | ||
121 | switch (wdev->iftype) { | |
122 | case NL80211_IFTYPE_AP: | |
123 | *mode = IW_MODE_MASTER; | |
124 | break; | |
125 | case NL80211_IFTYPE_STATION: | |
126 | *mode = IW_MODE_INFRA; | |
127 | break; | |
128 | case NL80211_IFTYPE_ADHOC: | |
129 | *mode = IW_MODE_ADHOC; | |
130 | break; | |
131 | case NL80211_IFTYPE_MONITOR: | |
132 | *mode = IW_MODE_MONITOR; | |
133 | break; | |
134 | case NL80211_IFTYPE_WDS: | |
135 | *mode = IW_MODE_REPEAT; | |
136 | break; | |
137 | case NL80211_IFTYPE_AP_VLAN: | |
138 | *mode = IW_MODE_SECOND; /* FIXME */ | |
139 | break; | |
140 | default: | |
141 | *mode = IW_MODE_AUTO; | |
142 | break; | |
143 | } | |
144 | return 0; | |
145 | } | |
146 | EXPORT_SYMBOL(cfg80211_wext_giwmode); | |
4aa188e1 JB |
147 | |
148 | ||
149 | int cfg80211_wext_giwrange(struct net_device *dev, | |
150 | struct iw_request_info *info, | |
151 | struct iw_point *data, char *extra) | |
152 | { | |
153 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
154 | struct iw_range *range = (struct iw_range *) extra; | |
155 | enum ieee80211_band band; | |
156 | int c = 0; | |
157 | ||
158 | if (!wdev) | |
159 | return -EOPNOTSUPP; | |
160 | ||
161 | data->length = sizeof(struct iw_range); | |
162 | memset(range, 0, sizeof(struct iw_range)); | |
163 | ||
164 | range->we_version_compiled = WIRELESS_EXT; | |
165 | range->we_version_source = 21; | |
166 | range->retry_capa = IW_RETRY_LIMIT; | |
167 | range->retry_flags = IW_RETRY_LIMIT; | |
168 | range->min_retry = 0; | |
169 | range->max_retry = 255; | |
170 | range->min_rts = 0; | |
171 | range->max_rts = 2347; | |
172 | range->min_frag = 256; | |
173 | range->max_frag = 2346; | |
174 | ||
175 | range->encoding_size[0] = 5; | |
176 | range->encoding_size[1] = 13; | |
177 | range->num_encoding_sizes = 2; | |
178 | range->max_encoding_tokens = 4; | |
179 | ||
180 | range->max_qual.updated = IW_QUAL_NOISE_INVALID; | |
181 | ||
182 | switch (wdev->wiphy->signal_type) { | |
183 | case CFG80211_SIGNAL_TYPE_NONE: | |
184 | break; | |
185 | case CFG80211_SIGNAL_TYPE_MBM: | |
186 | range->max_qual.level = -110; | |
187 | range->max_qual.qual = 70; | |
188 | range->avg_qual.qual = 35; | |
189 | range->max_qual.updated |= IW_QUAL_DBM; | |
190 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; | |
191 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
192 | break; | |
193 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
194 | range->max_qual.level = 100; | |
195 | range->max_qual.qual = 100; | |
196 | range->avg_qual.qual = 50; | |
197 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; | |
198 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
199 | break; | |
200 | } | |
201 | ||
202 | range->avg_qual.level = range->max_qual.level / 2; | |
203 | range->avg_qual.noise = range->max_qual.noise / 2; | |
204 | range->avg_qual.updated = range->max_qual.updated; | |
205 | ||
206 | range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | | |
207 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; | |
208 | ||
209 | ||
210 | for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { | |
211 | int i; | |
212 | struct ieee80211_supported_band *sband; | |
213 | ||
214 | sband = wdev->wiphy->bands[band]; | |
215 | ||
216 | if (!sband) | |
217 | continue; | |
218 | ||
219 | for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { | |
220 | struct ieee80211_channel *chan = &sband->channels[i]; | |
221 | ||
222 | if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { | |
223 | range->freq[c].i = | |
224 | ieee80211_frequency_to_channel( | |
225 | chan->center_freq); | |
226 | range->freq[c].m = chan->center_freq; | |
227 | range->freq[c].e = 6; | |
228 | c++; | |
229 | } | |
230 | } | |
231 | } | |
232 | range->num_channels = c; | |
233 | range->num_frequency = c; | |
234 | ||
235 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); | |
236 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); | |
237 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); | |
238 | ||
239 | range->scan_capa |= IW_SCAN_CAPA_ESSID; | |
240 | ||
241 | return 0; | |
242 | } | |
243 | EXPORT_SYMBOL(cfg80211_wext_giwrange); |