Commit | Line | Data |
---|---|---|
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> | |
691597cb | 13 | #include <linux/if_arp.h> |
fee52678 JB |
14 | #include <net/iw_handler.h> |
15 | #include <net/wireless.h> | |
16 | #include <net/cfg80211.h> | |
17 | #include "core.h" | |
18 | ||
19 | int cfg80211_wext_giwname(struct net_device *dev, | |
20 | struct iw_request_info *info, | |
21 | char *name, char *extra) | |
22 | { | |
23 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
24 | struct ieee80211_supported_band *sband; | |
25 | bool is_ht = false, is_a = false, is_b = false, is_g = false; | |
26 | ||
27 | if (!wdev) | |
28 | return -EOPNOTSUPP; | |
29 | ||
30 | sband = wdev->wiphy->bands[IEEE80211_BAND_5GHZ]; | |
31 | if (sband) { | |
32 | is_a = true; | |
33 | is_ht |= sband->ht_cap.ht_supported; | |
34 | } | |
35 | ||
36 | sband = wdev->wiphy->bands[IEEE80211_BAND_2GHZ]; | |
37 | if (sband) { | |
38 | int i; | |
39 | /* Check for mandatory rates */ | |
40 | for (i = 0; i < sband->n_bitrates; i++) { | |
41 | if (sband->bitrates[i].bitrate == 10) | |
42 | is_b = true; | |
43 | if (sband->bitrates[i].bitrate == 60) | |
44 | is_g = true; | |
45 | } | |
46 | is_ht |= sband->ht_cap.ht_supported; | |
47 | } | |
48 | ||
49 | strcpy(name, "IEEE 802.11"); | |
50 | if (is_a) | |
51 | strcat(name, "a"); | |
52 | if (is_b) | |
53 | strcat(name, "b"); | |
54 | if (is_g) | |
55 | strcat(name, "g"); | |
56 | if (is_ht) | |
57 | strcat(name, "n"); | |
58 | ||
59 | return 0; | |
60 | } | |
61 | EXPORT_SYMBOL(cfg80211_wext_giwname); | |
e60c7744 JB |
62 | |
63 | int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, | |
64 | u32 *mode, char *extra) | |
65 | { | |
66 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
67 | struct cfg80211_registered_device *rdev; | |
68 | struct vif_params vifparams; | |
69 | enum nl80211_iftype type; | |
ac7f9cfa | 70 | int ret; |
e60c7744 JB |
71 | |
72 | if (!wdev) | |
73 | return -EOPNOTSUPP; | |
74 | ||
75 | rdev = wiphy_to_dev(wdev->wiphy); | |
76 | ||
77 | if (!rdev->ops->change_virtual_intf) | |
78 | return -EOPNOTSUPP; | |
79 | ||
80 | /* don't support changing VLANs, you just re-create them */ | |
81 | if (wdev->iftype == NL80211_IFTYPE_AP_VLAN) | |
82 | return -EOPNOTSUPP; | |
83 | ||
84 | switch (*mode) { | |
85 | case IW_MODE_INFRA: | |
86 | type = NL80211_IFTYPE_STATION; | |
87 | break; | |
88 | case IW_MODE_ADHOC: | |
89 | type = NL80211_IFTYPE_ADHOC; | |
90 | break; | |
91 | case IW_MODE_REPEAT: | |
92 | type = NL80211_IFTYPE_WDS; | |
93 | break; | |
94 | case IW_MODE_MONITOR: | |
95 | type = NL80211_IFTYPE_MONITOR; | |
96 | break; | |
97 | default: | |
98 | return -EINVAL; | |
99 | } | |
100 | ||
ac7f9cfa JB |
101 | if (type == wdev->iftype) |
102 | return 0; | |
103 | ||
e60c7744 JB |
104 | memset(&vifparams, 0, sizeof(vifparams)); |
105 | ||
ac7f9cfa JB |
106 | ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type, |
107 | NULL, &vifparams); | |
108 | WARN_ON(!ret && wdev->iftype != type); | |
109 | ||
110 | return ret; | |
e60c7744 JB |
111 | } |
112 | EXPORT_SYMBOL(cfg80211_wext_siwmode); | |
113 | ||
114 | int cfg80211_wext_giwmode(struct net_device *dev, struct iw_request_info *info, | |
115 | u32 *mode, char *extra) | |
116 | { | |
117 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
118 | ||
119 | if (!wdev) | |
120 | return -EOPNOTSUPP; | |
121 | ||
122 | switch (wdev->iftype) { | |
123 | case NL80211_IFTYPE_AP: | |
124 | *mode = IW_MODE_MASTER; | |
125 | break; | |
126 | case NL80211_IFTYPE_STATION: | |
127 | *mode = IW_MODE_INFRA; | |
128 | break; | |
129 | case NL80211_IFTYPE_ADHOC: | |
130 | *mode = IW_MODE_ADHOC; | |
131 | break; | |
132 | case NL80211_IFTYPE_MONITOR: | |
133 | *mode = IW_MODE_MONITOR; | |
134 | break; | |
135 | case NL80211_IFTYPE_WDS: | |
136 | *mode = IW_MODE_REPEAT; | |
137 | break; | |
138 | case NL80211_IFTYPE_AP_VLAN: | |
139 | *mode = IW_MODE_SECOND; /* FIXME */ | |
140 | break; | |
141 | default: | |
142 | *mode = IW_MODE_AUTO; | |
143 | break; | |
144 | } | |
145 | return 0; | |
146 | } | |
147 | EXPORT_SYMBOL(cfg80211_wext_giwmode); | |
4aa188e1 JB |
148 | |
149 | ||
150 | int cfg80211_wext_giwrange(struct net_device *dev, | |
151 | struct iw_request_info *info, | |
152 | struct iw_point *data, char *extra) | |
153 | { | |
154 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
155 | struct iw_range *range = (struct iw_range *) extra; | |
156 | enum ieee80211_band band; | |
157 | int c = 0; | |
158 | ||
159 | if (!wdev) | |
160 | return -EOPNOTSUPP; | |
161 | ||
162 | data->length = sizeof(struct iw_range); | |
163 | memset(range, 0, sizeof(struct iw_range)); | |
164 | ||
165 | range->we_version_compiled = WIRELESS_EXT; | |
166 | range->we_version_source = 21; | |
167 | range->retry_capa = IW_RETRY_LIMIT; | |
168 | range->retry_flags = IW_RETRY_LIMIT; | |
169 | range->min_retry = 0; | |
170 | range->max_retry = 255; | |
171 | range->min_rts = 0; | |
172 | range->max_rts = 2347; | |
173 | range->min_frag = 256; | |
174 | range->max_frag = 2346; | |
175 | ||
176 | range->encoding_size[0] = 5; | |
177 | range->encoding_size[1] = 13; | |
178 | range->num_encoding_sizes = 2; | |
179 | range->max_encoding_tokens = 4; | |
180 | ||
181 | range->max_qual.updated = IW_QUAL_NOISE_INVALID; | |
182 | ||
183 | switch (wdev->wiphy->signal_type) { | |
184 | case CFG80211_SIGNAL_TYPE_NONE: | |
185 | break; | |
186 | case CFG80211_SIGNAL_TYPE_MBM: | |
187 | range->max_qual.level = -110; | |
188 | range->max_qual.qual = 70; | |
189 | range->avg_qual.qual = 35; | |
190 | range->max_qual.updated |= IW_QUAL_DBM; | |
191 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; | |
192 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
193 | break; | |
194 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
195 | range->max_qual.level = 100; | |
196 | range->max_qual.qual = 100; | |
197 | range->avg_qual.qual = 50; | |
198 | range->max_qual.updated |= IW_QUAL_QUAL_UPDATED; | |
199 | range->max_qual.updated |= IW_QUAL_LEVEL_UPDATED; | |
200 | break; | |
201 | } | |
202 | ||
203 | range->avg_qual.level = range->max_qual.level / 2; | |
204 | range->avg_qual.noise = range->max_qual.noise / 2; | |
205 | range->avg_qual.updated = range->max_qual.updated; | |
206 | ||
207 | range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 | | |
208 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP; | |
209 | ||
4aa188e1 JB |
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); | |
691597cb JB |
244 | |
245 | int cfg80211_wext_siwmlme(struct net_device *dev, | |
246 | struct iw_request_info *info, | |
247 | struct iw_point *data, char *extra) | |
248 | { | |
249 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
250 | struct iw_mlme *mlme = (struct iw_mlme *)extra; | |
251 | struct cfg80211_registered_device *rdev; | |
252 | union { | |
253 | struct cfg80211_disassoc_request disassoc; | |
254 | struct cfg80211_deauth_request deauth; | |
255 | } cmd; | |
256 | ||
257 | if (!wdev) | |
258 | return -EOPNOTSUPP; | |
259 | ||
260 | rdev = wiphy_to_dev(wdev->wiphy); | |
261 | ||
262 | if (wdev->iftype != NL80211_IFTYPE_STATION) | |
263 | return -EINVAL; | |
264 | ||
265 | if (mlme->addr.sa_family != ARPHRD_ETHER) | |
266 | return -EINVAL; | |
267 | ||
268 | memset(&cmd, 0, sizeof(cmd)); | |
269 | ||
270 | switch (mlme->cmd) { | |
271 | case IW_MLME_DEAUTH: | |
272 | if (!rdev->ops->deauth) | |
273 | return -EOPNOTSUPP; | |
274 | cmd.deauth.peer_addr = mlme->addr.sa_data; | |
275 | cmd.deauth.reason_code = mlme->reason_code; | |
276 | return rdev->ops->deauth(wdev->wiphy, dev, &cmd.deauth); | |
277 | case IW_MLME_DISASSOC: | |
278 | if (!rdev->ops->disassoc) | |
279 | return -EOPNOTSUPP; | |
280 | cmd.disassoc.peer_addr = mlme->addr.sa_data; | |
281 | cmd.disassoc.reason_code = mlme->reason_code; | |
282 | return rdev->ops->disassoc(wdev->wiphy, dev, &cmd.disassoc); | |
283 | default: | |
284 | return -EOPNOTSUPP; | |
285 | } | |
286 | } | |
287 | EXPORT_SYMBOL(cfg80211_wext_siwmlme); |