diff options
Diffstat (limited to 'net/mac80211/wext.c')
-rw-r--r-- | net/mac80211/wext.c | 290 |
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 */ |