9p: Make sure we are able to clunk the cached fid on umount
[safe/jmp/linux-2.6] / net / wireless / wext-compat.c
index 41abcbd..9ab5183 100644 (file)
@@ -437,6 +437,7 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 {
        struct wireless_dev *wdev = dev->ieee80211_ptr;
        int err, i;
+       bool rejoin = false;
 
        if (!wdev->wext.keys) {
                wdev->wext.keys = kzalloc(sizeof(*wdev->wext.keys),
@@ -466,8 +467,25 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 
        if (remove) {
                err = 0;
-               if (wdev->current_bss)
+               if (wdev->current_bss) {
+                       /*
+                        * If removing the current TX key, we will need to
+                        * join a new IBSS without the privacy bit clear.
+                        */
+                       if (idx == wdev->wext.default_key &&
+                           wdev->iftype == NL80211_IFTYPE_ADHOC) {
+                               __cfg80211_leave_ibss(rdev, wdev->netdev, true);
+                               rejoin = true;
+                       }
                        err = rdev->ops->del_key(&rdev->wiphy, dev, idx, addr);
+               }
+               wdev->wext.connect.privacy = false;
+               /*
+                * Applications using wireless extensions expect to be
+                * able to delete keys that don't exist, so allow that.
+                */
+               if (err == -ENOENT)
+                       err = 0;
                if (!err) {
                        if (!addr) {
                                wdev->wext.keys->params[idx].key_len = 0;
@@ -478,12 +496,9 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
                        else if (idx == wdev->wext.default_mgmt_key)
                                wdev->wext.default_mgmt_key = -1;
                }
-               /*
-                * Applications using wireless extensions expect to be
-                * able to delete keys that don't exist, so allow that.
-                */
-               if (err == -ENOENT)
-                       return 0;
+
+               if (!err && rejoin)
+                       err = cfg80211_ibss_wext_join(rdev, wdev);
 
                return err;
        }
@@ -511,11 +526,25 @@ static int __cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
        if ((params->cipher == WLAN_CIPHER_SUITE_WEP40 ||
             params->cipher == WLAN_CIPHER_SUITE_WEP104) &&
            (tx_key || (!addr && wdev->wext.default_key == -1))) {
-               if (wdev->current_bss)
+               if (wdev->current_bss) {
+                       /*
+                        * If we are getting a new TX key from not having
+                        * had one before we need to join a new IBSS with
+                        * the privacy bit set.
+                        */
+                       if (wdev->iftype == NL80211_IFTYPE_ADHOC &&
+                           wdev->wext.default_key == -1) {
+                               __cfg80211_leave_ibss(rdev, wdev->netdev, true);
+                               rejoin = true;
+                       }
                        err = rdev->ops->set_default_key(&rdev->wiphy,
                                                         dev, idx);
-               if (!err)
+               }
+               if (!err) {
                        wdev->wext.default_key = idx;
+                       if (rejoin)
+                               err = cfg80211_ibss_wext_join(rdev, wdev);
+               }
                return err;
        }
 
@@ -539,10 +568,13 @@ static int cfg80211_set_encryption(struct cfg80211_registered_device *rdev,
 {
        int err;
 
+       /* devlist mutex needed for possible IBSS re-join */
+       mutex_lock(&rdev->devlist_mtx);
        wdev_lock(dev->ieee80211_ptr);
        err = __cfg80211_set_encryption(rdev, dev, addr, remove,
                                        tx_key, idx, params);
        wdev_unlock(dev->ieee80211_ptr);
+       mutex_unlock(&rdev->devlist_mtx);
 
        return err;
 }
@@ -1067,8 +1099,8 @@ int cfg80211_wext_siwpower(struct net_device *dev,
 {
        struct wireless_dev *wdev = dev->ieee80211_ptr;
        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
-       bool ps = wdev->wext.ps;
-       int timeout = wdev->wext.ps_timeout;
+       bool ps = wdev->ps;
+       int timeout = wdev->ps_timeout;
        int err;
 
        if (wdev->iftype != NL80211_IFTYPE_STATION)
@@ -1101,8 +1133,8 @@ int cfg80211_wext_siwpower(struct net_device *dev,
        if (err)
                return err;
 
-       wdev->wext.ps = ps;
-       wdev->wext.ps_timeout = timeout;
+       wdev->ps = ps;
+       wdev->ps_timeout = timeout;
 
        return 0;
 
@@ -1115,7 +1147,7 @@ int cfg80211_wext_giwpower(struct net_device *dev,
 {
        struct wireless_dev *wdev = dev->ieee80211_ptr;
 
-       wrq->disabled = !wdev->wext.ps;
+       wrq->disabled = !wdev->ps;
 
        return 0;
 }
@@ -1172,21 +1204,47 @@ int cfg80211_wext_siwrate(struct net_device *dev,
        struct wireless_dev *wdev = dev->ieee80211_ptr;
        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
        struct cfg80211_bitrate_mask mask;
+       u32 fixed, maxrate;
+       struct ieee80211_supported_band *sband;
+       int band, ridx;
+       bool match = false;
 
        if (!rdev->ops->set_bitrate_mask)
                return -EOPNOTSUPP;
 
-       mask.fixed = 0;
-       mask.maxrate = 0;
+       memset(&mask, 0, sizeof(mask));
+       fixed = 0;
+       maxrate = (u32)-1;
 
        if (rate->value < 0) {
                /* nothing */
        } else if (rate->fixed) {
-               mask.fixed = rate->value / 1000; /* kbps */
+               fixed = rate->value / 100000;
        } else {
-               mask.maxrate = rate->value / 1000; /* kbps */
+               maxrate = rate->value / 100000;
        }
 
+       for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+               sband = wdev->wiphy->bands[band];
+               if (sband == NULL)
+                       continue;
+               for (ridx = 0; ridx < sband->n_bitrates; ridx++) {
+                       struct ieee80211_rate *srate = &sband->bitrates[ridx];
+                       if (fixed == srate->bitrate) {
+                               mask.control[band].legacy = 1 << ridx;
+                               match = true;
+                               break;
+                       }
+                       if (srate->bitrate <= maxrate) {
+                               mask.control[band].legacy |= 1 << ridx;
+                               match = true;
+                       }
+               }
+       }
+
+       if (!match)
+               return -EINVAL;
+
        return rdev->ops->set_bitrate_mask(wdev->wiphy, dev, NULL, &mask);
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_siwrate);
@@ -1225,10 +1283,7 @@ int cfg80211_wext_giwrate(struct net_device *dev,
        if (!(sinfo.filled & STATION_INFO_TX_BITRATE))
                return -EOPNOTSUPP;
 
-       rate->value = 0;
-
-       if (!(sinfo.txrate.flags & RATE_INFO_FLAGS_MCS))
-               rate->value = 100000 * sinfo.txrate.legacy;
+       rate->value = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate);
 
        return 0;
 }
@@ -1370,6 +1425,47 @@ int cfg80211_wext_giwessid(struct net_device *dev,
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
 
+int cfg80211_wext_siwpmksa(struct net_device *dev,
+                          struct iw_request_info *info,
+                          struct iw_point *data, char *extra)
+{
+       struct wireless_dev *wdev = dev->ieee80211_ptr;
+       struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+       struct cfg80211_pmksa cfg_pmksa;
+       struct iw_pmksa *pmksa = (struct iw_pmksa *)extra;
+
+       memset(&cfg_pmksa, 0, sizeof(struct cfg80211_pmksa));
+
+       if (wdev->iftype != NL80211_IFTYPE_STATION)
+               return -EINVAL;
+
+       cfg_pmksa.bssid = pmksa->bssid.sa_data;
+       cfg_pmksa.pmkid = pmksa->pmkid;
+
+       switch (pmksa->cmd) {
+       case IW_PMKSA_ADD:
+               if (!rdev->ops->set_pmksa)
+                       return -EOPNOTSUPP;
+
+               return rdev->ops->set_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
+
+       case IW_PMKSA_REMOVE:
+               if (!rdev->ops->del_pmksa)
+                       return -EOPNOTSUPP;
+
+               return rdev->ops->del_pmksa(&rdev->wiphy, dev, &cfg_pmksa);
+
+       case IW_PMKSA_FLUSH:
+               if (!rdev->ops->flush_pmksa)
+                       return -EOPNOTSUPP;
+
+               return rdev->ops->flush_pmksa(&rdev->wiphy, dev);
+
+       default:
+               return -EOPNOTSUPP;
+       }
+}
+
 static const iw_handler cfg80211_handlers[] = {
        [IW_IOCTL_IDX(SIOCGIWNAME)]     = (iw_handler) cfg80211_wext_giwname,
        [IW_IOCTL_IDX(SIOCSIWFREQ)]     = (iw_handler) cfg80211_wext_siwfreq,
@@ -1402,6 +1498,7 @@ static const iw_handler cfg80211_handlers[] = {
        [IW_IOCTL_IDX(SIOCSIWAUTH)]     = (iw_handler) cfg80211_wext_siwauth,
        [IW_IOCTL_IDX(SIOCGIWAUTH)]     = (iw_handler) cfg80211_wext_giwauth,
        [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
+       [IW_IOCTL_IDX(SIOCSIWPMKSA)]    = (iw_handler) cfg80211_wext_siwpmksa,
 };
 
 const struct iw_handler_def cfg80211_wext_handler = {