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Diffstat (limited to 'net/mac80211/wext.c')
-rw-r--r--net/mac80211/wext.c290
1 files changed, 120 insertions, 170 deletions
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index 2b023dce8b2..935c63ed3df 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -132,139 +132,37 @@ static int ieee80211_ioctl_siwgenie(struct net_device *dev,
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
return -EOPNOTSUPP;
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
if (ret)
return ret;
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
+ ieee80211_sta_req_auth(sdata);
return 0;
}
return -EOPNOTSUPP;
}
-static u8 ieee80211_get_wstats_flags(struct ieee80211_local *local)
-{
- u8 wstats_flags = 0;
-
- wstats_flags |= local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
- IEEE80211_HW_SIGNAL_DBM) ?
- IW_QUAL_QUAL_UPDATED : IW_QUAL_QUAL_INVALID;
- wstats_flags |= local->hw.flags & IEEE80211_HW_NOISE_DBM ?
- IW_QUAL_NOISE_UPDATED : IW_QUAL_NOISE_INVALID;
- if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
- wstats_flags |= IW_QUAL_DBM;
-
- return wstats_flags;
-}
-
-static int ieee80211_ioctl_giwrange(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *extra)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct iw_range *range = (struct iw_range *) extra;
- enum ieee80211_band band;
- int c = 0;
-
- data->length = sizeof(struct iw_range);
- memset(range, 0, sizeof(struct iw_range));
-
- range->we_version_compiled = WIRELESS_EXT;
- range->we_version_source = 21;
- range->retry_capa = IW_RETRY_LIMIT;
- range->retry_flags = IW_RETRY_LIMIT;
- range->min_retry = 0;
- range->max_retry = 255;
- range->min_rts = 0;
- range->max_rts = 2347;
- range->min_frag = 256;
- range->max_frag = 2346;
-
- range->encoding_size[0] = 5;
- range->encoding_size[1] = 13;
- range->num_encoding_sizes = 2;
- range->max_encoding_tokens = NUM_DEFAULT_KEYS;
-
- /* cfg80211 requires this, and enforces 0..100 */
- if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)
- range->max_qual.level = 100;
- else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
- range->max_qual.level = -110;
- else
- range->max_qual.level = 0;
-
- if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
- range->max_qual.noise = -110;
- else
- range->max_qual.noise = 0;
-
- range->max_qual.qual = 100;
- range->max_qual.updated = ieee80211_get_wstats_flags(local);
-
- range->avg_qual.qual = 50;
- /* not always true but better than nothing */
- range->avg_qual.level = range->max_qual.level / 2;
- range->avg_qual.noise = range->max_qual.noise / 2;
- range->avg_qual.updated = ieee80211_get_wstats_flags(local);
-
- range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
- IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
-
-
- for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
- int i;
- struct ieee80211_supported_band *sband;
-
- sband = local->hw.wiphy->bands[band];
-
- if (!sband)
- continue;
-
- for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
- struct ieee80211_channel *chan = &sband->channels[i];
-
- if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
- range->freq[c].i =
- ieee80211_frequency_to_channel(
- chan->center_freq);
- range->freq[c].m = chan->center_freq;
- range->freq[c].e = 6;
- c++;
- }
- }
- }
- range->num_channels = c;
- range->num_frequency = c;
-
- IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
- IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
- IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
-
- range->scan_capa |= IW_SCAN_CAPA_ESSID;
-
- return 0;
-}
-
-
static int ieee80211_ioctl_siwfreq(struct net_device *dev,
struct iw_request_info *info,
struct iw_freq *freq, char *extra)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
- sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ sdata->u.ibss.flags &= ~IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
if (freq->e == 0) {
if (freq->m < 0) {
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC ||
- sdata->vif.type == NL80211_IFTYPE_STATION)
- sdata->u.sta.flags |=
+ if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ sdata->u.ibss.flags |=
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+ else if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.flags |=
IEEE80211_STA_AUTO_CHANNEL_SEL;
return 0;
} else
@@ -301,32 +199,35 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
{
struct ieee80211_sub_if_data *sdata;
size_t len = data->length;
+ int ret;
/* iwconfig uses nul termination in SSID.. */
if (len > 0 && ssid[len - 1] == '\0')
len--;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- int ret;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
- memcpy(sdata->u.sta.ssid, ssid, len);
- sdata->u.sta.ssid_len = len;
+ memcpy(sdata->u.mgd.ssid, ssid, len);
+ sdata->u.mgd.ssid_len = len;
return 0;
}
+
if (data->flags)
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
else
- sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
+ sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
+
ret = ieee80211_sta_set_ssid(sdata, ssid, len);
if (ret)
return ret;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+
+ ieee80211_sta_req_auth(sdata);
return 0;
- }
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
+ return ieee80211_ibss_set_ssid(sdata, ssid, len);
return -EOPNOTSUPP;
}
@@ -340,8 +241,7 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
if (res == 0) {
data->length = len;
@@ -349,6 +249,14 @@ static int ieee80211_ioctl_giwessid(struct net_device *dev,
} else
data->flags = 0;
return res;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ int res = ieee80211_ibss_get_ssid(sdata, ssid, &len);
+ if (res == 0) {
+ data->length = len;
+ data->flags = 1;
+ } else
+ data->flags = 0;
+ return res;
}
return -EOPNOTSUPP;
@@ -362,26 +270,35 @@ static int ieee80211_ioctl_siwap(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
int ret;
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
- memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
+ memcpy(sdata->u.mgd.bssid, (u8 *) &ap_addr->sa_data,
ETH_ALEN);
return 0;
}
if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
- sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
+ sdata->u.mgd.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
IEEE80211_STA_AUTO_CHANNEL_SEL;
else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
- sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
+ sdata->u.mgd.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
else
- sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
if (ret)
return ret;
- ieee80211_sta_req_auth(sdata, &sdata->u.sta);
+ ieee80211_sta_req_auth(sdata);
return 0;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
+ sdata->u.ibss.flags |= IEEE80211_IBSS_AUTO_BSSID_SEL |
+ IEEE80211_IBSS_AUTO_CHANNEL_SEL;
+ else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
+ sdata->u.ibss.flags |= IEEE80211_IBSS_AUTO_BSSID_SEL;
+ else
+ sdata->u.ibss.flags &= ~IEEE80211_IBSS_AUTO_BSSID_SEL;
+
+ return ieee80211_ibss_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
/*
* If it is necessary to update the WDS peer address
@@ -410,17 +327,20 @@ static int ieee80211_ioctl_giwap(struct net_device *dev,
struct ieee80211_sub_if_data *sdata;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
- if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
- sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->u.mgd.state == IEEE80211_STA_MLME_ASSOCIATED) {
ap_addr->sa_family = ARPHRD_ETHER;
- memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
- return 0;
- } else {
+ memcpy(&ap_addr->sa_data, sdata->u.mgd.bssid, ETH_ALEN);
+ } else
memset(&ap_addr->sa_data, 0, ETH_ALEN);
- return 0;
- }
+ return 0;
+ } else if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->u.ibss.state == IEEE80211_IBSS_MLME_JOINED) {
+ ap_addr->sa_family = ARPHRD_ETHER;
+ memcpy(&ap_addr->sa_data, sdata->u.ibss.bssid, ETH_ALEN);
+ } else
+ memset(&ap_addr->sa_data, 0, ETH_ALEN);
+ return 0;
} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
ap_addr->sa_family = ARPHRD_ETHER;
memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
@@ -486,7 +406,7 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
rcu_read_lock();
- sta = sta_info_get(local, sdata->u.sta.bssid);
+ sta = sta_info_get(local, sdata->u.mgd.bssid);
if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
@@ -687,8 +607,7 @@ static int ieee80211_ioctl_siwmlme(struct net_device *dev,
struct iw_mlme *mlme = (struct iw_mlme *) extra;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type != NL80211_IFTYPE_STATION &&
- sdata->vif.type != NL80211_IFTYPE_ADHOC)
+ if (!(sdata->vif.type == NL80211_IFTYPE_STATION))
return -EINVAL;
switch (mlme->cmd) {
@@ -784,8 +703,7 @@ static int ieee80211_ioctl_giwencode(struct net_device *dev,
erq->flags |= IW_ENCODE_ENABLED;
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- switch (ifsta->auth_alg) {
+ switch (sdata->u.mgd.auth_alg) {
case WLAN_AUTH_OPEN:
case WLAN_AUTH_LEAP:
erq->flags |= IW_ENCODE_OPEN;
@@ -849,7 +767,7 @@ static int ieee80211_ioctl_siwpower(struct net_device *dev,
ret = ieee80211_hw_config(local,
IEEE80211_CONF_CHANGE_DYNPS_TIMEOUT);
- if (!(sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
+ if (!(sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED))
return ret;
if (conf->dynamic_ps_timeout > 0 &&
@@ -908,10 +826,10 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
if (data->value & (IW_AUTH_CIPHER_WEP40 |
IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_TKIP))
- sdata->u.sta.flags |=
+ sdata->u.mgd.flags |=
IEEE80211_STA_TKIP_WEP_USED;
else
- sdata->u.sta.flags &=
+ sdata->u.mgd.flags &=
~IEEE80211_STA_TKIP_WEP_USED;
}
break;
@@ -922,21 +840,20 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
if (sdata->vif.type != NL80211_IFTYPE_STATION)
ret = -EINVAL;
else {
- sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
+ sdata->u.mgd.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
/*
* Privacy invoked by wpa_supplicant, store the
* value and allow associating to a protected
* network without having a key up front.
*/
if (data->value)
- sdata->u.sta.flags |=
+ sdata->u.mgd.flags |=
IEEE80211_STA_PRIVACY_INVOKED;
}
break;
case IW_AUTH_80211_AUTH_ALG:
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- sdata->u.sta.auth_algs = data->value;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sdata->u.mgd.auth_algs = data->value;
else
ret = -EOPNOTSUPP;
break;
@@ -945,17 +862,16 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
ret = -EOPNOTSUPP;
break;
}
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
switch (data->value) {
case IW_AUTH_MFP_DISABLED:
- sdata->u.sta.mfp = IEEE80211_MFP_DISABLED;
+ sdata->u.mgd.mfp = IEEE80211_MFP_DISABLED;
break;
case IW_AUTH_MFP_OPTIONAL:
- sdata->u.sta.mfp = IEEE80211_MFP_OPTIONAL;
+ sdata->u.mgd.mfp = IEEE80211_MFP_OPTIONAL;
break;
case IW_AUTH_MFP_REQUIRED:
- sdata->u.sta.mfp = IEEE80211_MFP_REQUIRED;
+ sdata->u.mgd.mfp = IEEE80211_MFP_REQUIRED;
break;
default:
ret = -EINVAL;
@@ -980,9 +896,9 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev
rcu_read_lock();
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- sta = sta_info_get(local, sdata->u.sta.bssid);
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ sta = sta_info_get(local, sdata->u.mgd.bssid);
+
if (!sta) {
wstats->discard.fragment = 0;
wstats->discard.misc = 0;
@@ -991,10 +907,45 @@ static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev
wstats->qual.noise = 0;
wstats->qual.updated = IW_QUAL_ALL_INVALID;
} else {
- wstats->qual.level = sta->last_signal;
- wstats->qual.qual = sta->last_qual;
- wstats->qual.noise = sta->last_noise;
- wstats->qual.updated = ieee80211_get_wstats_flags(local);
+ wstats->qual.updated = 0;
+ /*
+ * mirror what cfg80211 does for iwrange/scan results,
+ * otherwise userspace gets confused.
+ */
+ if (local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
+ IEEE80211_HW_SIGNAL_DBM)) {
+ wstats->qual.updated |= IW_QUAL_LEVEL_UPDATED;
+ wstats->qual.updated |= IW_QUAL_QUAL_UPDATED;
+ } else {
+ wstats->qual.updated |= IW_QUAL_LEVEL_INVALID;
+ wstats->qual.updated |= IW_QUAL_QUAL_INVALID;
+ }
+
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) {
+ wstats->qual.level = sta->last_signal;
+ wstats->qual.qual = sta->last_signal;
+ } else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
+ int sig = sta->last_signal;
+
+ wstats->qual.updated |= IW_QUAL_DBM;
+ wstats->qual.level = sig;
+ if (sig < -110)
+ sig = -110;
+ else if (sig > -40)
+ sig = -40;
+ wstats->qual.qual = sig + 110;
+ }
+
+ if (local->hw.flags & IEEE80211_HW_NOISE_DBM) {
+ /*
+ * This assumes that if driver reports noise, it also
+ * reports signal in dBm.
+ */
+ wstats->qual.noise = sta->last_noise;
+ wstats->qual.updated |= IW_QUAL_NOISE_UPDATED;
+ } else {
+ wstats->qual.updated |= IW_QUAL_NOISE_INVALID;
+ }
}
rcu_read_unlock();
@@ -1011,9 +962,8 @@ static int ieee80211_ioctl_giwauth(struct net_device *dev,
switch (data->flags & IW_AUTH_INDEX) {
case IW_AUTH_80211_AUTH_ALG:
- if (sdata->vif.type == NL80211_IFTYPE_STATION ||
- sdata->vif.type == NL80211_IFTYPE_ADHOC)
- data->value = sdata->u.sta.auth_algs;
+ if (sdata->vif.type == NL80211_IFTYPE_STATION)
+ data->value = sdata->u.mgd.auth_algs;
else
ret = -EOPNOTSUPP;
break;
@@ -1116,7 +1066,7 @@ static const iw_handler ieee80211_handler[] =
(iw_handler) NULL, /* SIOCSIWSENS */
(iw_handler) NULL, /* SIOCGIWSENS */
(iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
- (iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
+ (iw_handler) cfg80211_wext_giwrange, /* SIOCGIWRANGE */
(iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
(iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
(iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-06 14:19:42 +0000