diff options
Diffstat (limited to 'net/wireless/wext-compat.c')
-rw-r--r-- | net/wireless/wext-compat.c | 34 |
1 files changed, 30 insertions, 4 deletions
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 4198243a3dff..966d2f01beac 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c | |||
@@ -1204,21 +1204,47 @@ int cfg80211_wext_siwrate(struct net_device *dev, | |||
1204 | struct wireless_dev *wdev = dev->ieee80211_ptr; | 1204 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
1205 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | 1205 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
1206 | struct cfg80211_bitrate_mask mask; | 1206 | struct cfg80211_bitrate_mask mask; |
1207 | u32 fixed, maxrate; | ||
1208 | struct ieee80211_supported_band *sband; | ||
1209 | int band, ridx; | ||
1210 | bool match = false; | ||
1207 | 1211 | ||
1208 | if (!rdev->ops->set_bitrate_mask) | 1212 | if (!rdev->ops->set_bitrate_mask) |
1209 | return -EOPNOTSUPP; | 1213 | return -EOPNOTSUPP; |
1210 | 1214 | ||
1211 | mask.fixed = 0; | 1215 | memset(&mask, 0, sizeof(mask)); |
1212 | mask.maxrate = 0; | 1216 | fixed = 0; |
1217 | maxrate = 0; | ||
1213 | 1218 | ||
1214 | if (rate->value < 0) { | 1219 | if (rate->value < 0) { |
1215 | /* nothing */ | 1220 | /* nothing */ |
1216 | } else if (rate->fixed) { | 1221 | } else if (rate->fixed) { |
1217 | mask.fixed = rate->value / 1000; /* kbps */ | 1222 | fixed = rate->value / 100000; |
1218 | } else { | 1223 | } else { |
1219 | mask.maxrate = rate->value / 1000; /* kbps */ | 1224 | maxrate = rate->value / 100000; |
1225 | } | ||
1226 | |||
1227 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | ||
1228 | sband = wdev->wiphy->bands[band]; | ||
1229 | if (sband == NULL) | ||
1230 | continue; | ||
1231 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | ||
1232 | struct ieee80211_rate *srate = &sband->bitrates[ridx]; | ||
1233 | if (fixed == srate->bitrate) { | ||
1234 | mask.control[band].legacy = 1 << ridx; | ||
1235 | match = true; | ||
1236 | break; | ||
1237 | } | ||
1238 | if (srate->bitrate <= maxrate) { | ||
1239 | mask.control[band].legacy |= 1 << ridx; | ||
1240 | match = true; | ||
1241 | } | ||
1242 | } | ||
1220 | } | 1243 | } |
1221 | 1244 | ||
1245 | if (!match) | ||
1246 | return -EINVAL; | ||
1247 | |||
1222 | return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask); | 1248 | return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask); |
1223 | } | 1249 | } |
1224 | EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate); | 1250 | EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate); |