Fix i2c module dependencies (#1525)
[openwrt.git] / package / d80211 / src / ieee80211_ioctl.c
index c74b431..5a21b2d 100644 (file)
@@ -20,7 +20,6 @@
 #include <asm/uaccess.h>
 
 #include <net/d80211.h>
-#include <net/d80211_mgmt.h>
 #include "ieee80211_i.h"
 #include "hostapd_ioctl.h"
 #include "ieee80211_rate.h"
@@ -120,43 +119,45 @@ static int ieee80211_ioctl_get_hw_features(struct net_device *dev,
        struct ieee80211_local *local = dev->ieee80211_ptr;
        u8 *pos = param->u.hw_features.data;
        int left = param_len - (pos - (u8 *) param);
-       int mode, i;
+       int i;
        struct hostapd_ioctl_hw_modes_hdr *hdr;
        struct ieee80211_rate_data *rate;
        struct ieee80211_channel_data *chan;
+       struct ieee80211_hw_mode *mode;
 
        param->u.hw_features.flags = 0;
        if (local->hw.flags & IEEE80211_HW_DATA_NULLFUNC_ACK)
                param->u.hw_features.flags |= HOSTAP_HW_FLAG_NULLFUNC_OK;
 
-       param->u.hw_features.num_modes = local->hw.num_modes;
-       for (mode = 0; mode < local->hw.num_modes; mode++) {
+       param->u.hw_features.num_modes = 0;
+       list_for_each_entry(mode, &local->modes_list, list) {
                int clen, rlen;
-               struct ieee80211_hw_modes *m = &local->hw.modes[mode];
-               clen = m->num_channels * sizeof(struct ieee80211_channel_data);
-               rlen = m->num_rates * sizeof(struct ieee80211_rate_data);
+
+               param->u.hw_features.num_modes++;
+               clen = mode->num_channels * sizeof(struct ieee80211_channel_data);
+               rlen = mode->num_rates * sizeof(struct ieee80211_rate_data);
                if (left < sizeof(*hdr) + clen + rlen)
                        return -E2BIG;
                left -= sizeof(*hdr) + clen + rlen;
 
                hdr = (struct hostapd_ioctl_hw_modes_hdr *) pos;
-               hdr->mode = m->mode;
-               hdr->num_channels = m->num_channels;
-               hdr->num_rates = m->num_rates;
+               hdr->mode = mode->mode;
+               hdr->num_channels = mode->num_channels;
+               hdr->num_rates = mode->num_rates;
 
                pos = (u8 *) (hdr + 1);
                chan = (struct ieee80211_channel_data *) pos;
-               for (i = 0; i < m->num_channels; i++) {
-                       chan[i].chan = m->channels[i].chan;
-                       chan[i].freq = m->channels[i].freq;
-                       chan[i].flag = m->channels[i].flag;
+               for (i = 0; i < mode->num_channels; i++) {
+                       chan[i].chan = mode->channels[i].chan;
+                       chan[i].freq = mode->channels[i].freq;
+                       chan[i].flag = mode->channels[i].flag;
                }
                pos += clen;
 
                rate = (struct ieee80211_rate_data *) pos;
-               for (i = 0; i < m->num_rates; i++) {
-                       rate[i].rate = m->rates[i].rate;
-                       rate[i].flags = m->rates[i].flags;
+               for (i = 0; i < mode->num_rates; i++) {
+                       rate[i].rate = mode->rates[i].rate;
+                       rate[i].flags = mode->rates[i].flags;
                }
                pos += rlen;
        }
@@ -198,8 +199,8 @@ static int ieee80211_ioctl_scan(struct net_device *dev,
                param->u.scan.last_rx = local->scan.rx_packets;
                local->scan.rx_packets = -1;
        }
-       param->u.scan.channel = local->hw.modes[local->scan.mode_idx].
-               channels[local->scan.chan_idx].chan;
+       param->u.scan.channel =
+               local->scan.mode->channels[local->scan.chan_idx].chan;
 
        return 0;
 }
@@ -285,7 +286,9 @@ static int ieee80211_ioctl_add_sta(struct net_device *dev,
        if (sta->dev != dev) {
                /* Binding STA to a new interface, so remove all references to
                 * the old BSS. */
+               spin_lock_bh(&local->sta_lock);
                sta_info_remove_aid_ptr(sta);
+               spin_unlock_bh(&local->sta_lock);
        }
 
         /* TODO
@@ -359,7 +362,7 @@ static int ieee80211_ioctl_remove_sta(struct net_device *dev,
        sta = sta_info_get(local, param->sta_addr);
        if (sta) {
                sta_info_put(sta);
-               sta_info_free(sta, 1);
+               sta_info_free(sta, 0);
        }
 
        return sta ? 0 : -ENOENT;
@@ -407,10 +410,8 @@ static int ieee80211_ioctl_get_info_sta(struct net_device *dev,
        if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff &&
            param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
            param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
-               struct ieee80211_sub_if_data *sdata;
                struct net_device_stats *stats;
 
-               sdata = IEEE80211_DEV_TO_SUB_IF(dev);
                stats = ieee80211_dev_stats(local->mdev);
                param->u.get_info_sta.rx_bytes = stats->rx_bytes;
                param->u.get_info_sta.tx_bytes = stats->tx_bytes;
@@ -537,9 +538,7 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
                }
                key = sdata->keys[idx];
 
-               /* Disable hwaccel for default keys when the interface is not
-                * the default one.
-                * TODO: consider adding hwaccel support for these; at least
+               /* TODO: consider adding hwaccel support for these; at least
                 * Atheros key cache should be able to handle this since AP is
                 * only transmitting frames with default keys. */
                /* FIX: hw key cache can be used when only one virtual
@@ -548,11 +547,6 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
                 * must be used. This should be done automatically
                 * based on configured station devices. For the time
                 * being, this can be only set at compile time. */
-               /* FIXME: There is no more anything like "default
-                * interface". We should try hwaccel if there is just one
-                * interface - for now, hwaccel is unconditionaly
-                * disabled. */
-               try_hwaccel = 0;
        } else {
                set_tx_key = 0;
                if (idx != 0) {
@@ -621,7 +615,9 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
 
        if (alg == ALG_NONE) {
                keyconf = NULL;
-               if (try_hwaccel && key && local->ops->set_key &&
+               if (try_hwaccel && key &&
+                   key->hw_key_idx != HW_KEY_IDX_INVALID &&
+                   local->ops->set_key &&
                    (keyconf = ieee80211_key_data2conf(local, key)) != NULL &&
                    local->ops->set_key(local_to_hw(local), DISABLE_KEY,
                                       sta_addr, keyconf, sta ? sta->aid : 0)) {
@@ -810,7 +806,7 @@ static int ieee80211_ioctl_get_encryption(struct net_device *dev,
            param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff &&
            param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) {
                sta = NULL;
-               if (param->u.crypt.idx > NUM_DEFAULT_KEYS) {
+               if (param->u.crypt.idx >= NUM_DEFAULT_KEYS) {
                        param->u.crypt.idx = sdata->default_key ?
                                sdata->default_key->keyidx : 0;
                        return 0;
@@ -1357,19 +1353,16 @@ static int ieee80211_ioctl_set_channel_flag(struct net_device *dev,
                                            struct prism2_hostapd_param *param)
 {
        struct ieee80211_local *local = dev->ieee80211_ptr;
-       struct ieee80211_hw_modes *mode = NULL;
+       struct ieee80211_hw_mode *mode;
        struct ieee80211_channel *chan = NULL;
        int i;
 
-       for (i = 0; i < local->hw.num_modes; i++) {
-               mode = &local->hw.modes[i];
+       list_for_each_entry(mode, &local->modes_list, list) {
                if (mode->mode == param->u.set_channel_flag.mode)
-                       break;
-               mode = NULL;
+                       goto found;
        }
-
-       if (!mode)
-               return -ENOENT;
+       return -ENOENT;
+found:
 
        for (i = 0; i < mode->num_channels; i++) {
                chan = &mode->channels[i];
@@ -1706,10 +1699,10 @@ static void ieee80211_unmask_channel(struct net_device *dev, int mode,
 static int ieee80211_unmask_channels(struct net_device *dev)
 {
        struct ieee80211_local *local = dev->ieee80211_ptr;
-       int m, c;
+       struct ieee80211_hw_mode *mode;
+       int c;
 
-       for (m = 0; m < local->hw.num_modes; m++) {
-               struct ieee80211_hw_modes *mode = &local->hw.modes[m];
+       list_for_each_entry(mode, &local->modes_list, list) {
                for (c = 0; c < mode->num_channels; c++) {
                        ieee80211_unmask_channel(dev, mode->mode,
                                                 &mode->channels[c]);
@@ -1807,7 +1800,8 @@ int ieee80211_ioctl_siwfreq(struct net_device *dev,
                            struct iw_freq *freq, char *extra)
 {
        struct ieee80211_local *local = dev->ieee80211_ptr;
-       int m, c, nfreq, set = 0;
+       struct ieee80211_hw_mode *mode;
+       int c, nfreq, set = 0;
 
        /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
        if (freq->e == 0)
@@ -1822,8 +1816,7 @@ int ieee80211_ioctl_siwfreq(struct net_device *dev,
                        return -EINVAL;
        }
 
-       for (m = 0; m < local->hw.num_modes; m++) {
-               struct ieee80211_hw_modes *mode = &local->hw.modes[m];
+       list_for_each_entry(mode, &local->modes_list, list) {
                for (c = 0; c < mode->num_channels; c++) {
                        struct ieee80211_channel *chan = &mode->channels[c];
                        if (chan->flag & IEEE80211_CHAN_W_SCAN &&
@@ -2005,7 +1998,7 @@ static int ieee80211_ioctl_siwscan(struct net_device *dev,
                    sdata->type == IEEE80211_IF_TYPE_IBSS) {
                        ssid = sdata->u.sta.ssid;
                        ssid_len = sdata->u.sta.ssid_len;
-               } else if (sdata == IEEE80211_IF_TYPE_AP) {
+               } else if (sdata->type == IEEE80211_IF_TYPE_AP) {
                        ssid = sdata->u.ap.ssid;
                        ssid_len = sdata->u.ap.ssid_len;
                } else
@@ -2166,10 +2159,10 @@ static int ieee80211_ioctl_giwretry(struct net_device *dev,
 
 static void ieee80211_ioctl_unmask_channels(struct ieee80211_local *local)
 {
-       int m, c;
+       struct ieee80211_hw_mode *mode;
+       int c;
 
-       for (m = 0; m < local->hw.num_modes; m++) {
-               struct ieee80211_hw_modes *mode = &local->hw.modes[m];
+       list_for_each_entry(mode, &local->modes_list, list) {
                for (c = 0; c < mode->num_channels; c++) {
                        struct ieee80211_channel *chan = &mode->channels[c];
                        chan->flag |= IEEE80211_CHAN_W_SCAN;
@@ -2364,6 +2357,36 @@ static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local,
 }
 
 
+void ieee80211_update_default_wep_only(struct ieee80211_local *local)
+{
+       int i = 0;
+       struct ieee80211_sub_if_data *sdata;
+
+       spin_lock_bh(&local->sub_if_lock);
+       list_for_each_entry(sdata, &local->sub_if_list, list) {
+
+               if (sdata->dev == local->mdev)
+                       continue;
+
+               /* If there is an AP interface then depend on userspace to
+                  set default_wep_only correctly. */
+               if (sdata->type == IEEE80211_IF_TYPE_AP) {
+                       spin_unlock_bh(&local->sub_if_lock);
+                       return;
+               }
+
+               i++;
+       }
+
+       if (i <= 1)
+               ieee80211_ioctl_default_wep_only(local, 1);
+       else
+               ieee80211_ioctl_default_wep_only(local, 0);
+
+       spin_unlock_bh(&local->sub_if_lock);
+}
+
+
 static int ieee80211_ioctl_prism2_param(struct net_device *dev,
                                        struct iw_request_info *info,
                                        void *wrqu, char *extra)
@@ -3025,6 +3048,7 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *net
                wstats->qual.qual = 100*tmp_qual/local->hw.maxssi;
                wstats->qual.noise = sta->last_noise;
                wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
+               sta_info_put(sta);
        }
        return wstats;
 }
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