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-rw-r--r--net/mac80211/wext.c145
1 files changed, 118 insertions, 27 deletions
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index e8404212ad57..34fa8ed1e784 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -142,7 +142,39 @@ static int ieee80211_ioctl_giwname(struct net_device *dev,
struct iw_request_info *info,
char *name, char *extra)
{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_supported_band *sband;
+ u8 is_ht = 0, is_a = 0, is_b = 0, is_g = 0;
+
+
+ sband = local->hw.wiphy->bands[IEEE80211_BAND_5GHZ];
+ if (sband) {
+ is_a = 1;
+ is_ht |= sband->ht_info.ht_supported;
+ }
+
+ sband = local->hw.wiphy->bands[IEEE80211_BAND_2GHZ];
+ if (sband) {
+ int i;
+ /* Check for mandatory rates */
+ for (i = 0; i < sband->n_bitrates; i++) {
+ if (sband->bitrates[i].bitrate == 10)
+ is_b = 1;
+ if (sband->bitrates[i].bitrate == 60)
+ is_g = 1;
+ }
+ is_ht |= sband->ht_info.ht_supported;
+ }
+
strcpy(name, "IEEE 802.11");
+ if (is_a)
+ strcat(name, "a");
+ if (is_b)
+ strcat(name, "b");
+ if (is_g)
+ strcat(name, "g");
+ if (is_ht)
+ strcat(name, "n");
return 0;
}
@@ -176,14 +208,26 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev,
range->num_encoding_sizes = 2;
range->max_encoding_tokens = NUM_DEFAULT_KEYS;
- range->max_qual.qual = local->hw.max_signal;
- range->max_qual.level = local->hw.max_rssi;
- range->max_qual.noise = local->hw.max_noise;
+ if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC ||
+ local->hw.flags & IEEE80211_HW_SIGNAL_DB)
+ range->max_qual.level = local->hw.max_signal;
+ 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 = local->wstats_flags;
- range->avg_qual.qual = local->hw.max_signal/2;
- range->avg_qual.level = 0;
- range->avg_qual.noise = 0;
+ 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 = local->wstats_flags;
range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
@@ -252,15 +296,7 @@ static int ieee80211_ioctl_siwmode(struct net_device *dev,
return -EINVAL;
}
- if (type == sdata->vif.type)
- return 0;
- if (netif_running(dev))
- return -EBUSY;
-
- ieee80211_if_reinit(dev);
- ieee80211_if_set_type(dev, type);
-
- return 0;
+ return ieee80211_if_change_type(sdata, type);
}
@@ -408,7 +444,7 @@ static int ieee80211_ioctl_siwessid(struct net_device *dev,
memset(sdata->u.ap.ssid + len, 0,
IEEE80211_MAX_SSID_LEN - len);
sdata->u.ap.ssid_len = len;
- return ieee80211_if_config(dev);
+ return ieee80211_if_config(sdata, IEEE80211_IFCC_SSID);
}
return -EOPNOTSUPP;
}
@@ -562,7 +598,7 @@ static int ieee80211_ioctl_giwscan(struct net_device *dev,
if (local->sta_sw_scanning || local->sta_hw_scanning)
return -EAGAIN;
- res = ieee80211_sta_scan_results(dev, extra, data->length);
+ res = ieee80211_sta_scan_results(dev, info, extra, data->length);
if (res >= 0) {
data->length = res;
return 0;
@@ -583,16 +619,14 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev,
struct ieee80211_supported_band *sband;
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (!sdata->bss)
- return -ENODEV;
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
* target_rate = X, rate->fixed = 1 means only rate X
* target_rate = X, rate->fixed = 0 means all rates <= X */
- sdata->bss->max_ratectrl_rateidx = -1;
- sdata->bss->force_unicast_rateidx = -1;
+ sdata->max_ratectrl_rateidx = -1;
+ sdata->force_unicast_rateidx = -1;
if (rate->value < 0)
return 0;
@@ -601,9 +635,9 @@ static int ieee80211_ioctl_siwrate(struct net_device *dev,
int this_rate = brate->bitrate;
if (target_rate == this_rate) {
- sdata->bss->max_ratectrl_rateidx = i;
+ sdata->max_ratectrl_rateidx = i;
if (rate->fixed)
- sdata->bss->force_unicast_rateidx = i;
+ sdata->force_unicast_rateidx = i;
err = 0;
break;
}
@@ -716,6 +750,9 @@ static int ieee80211_ioctl_siwrts(struct net_device *dev,
if (rts->disabled)
local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
+ else if (!rts->fixed)
+ /* if the rts value is not fixed, then take default */
+ local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
return -EINVAL;
else
@@ -753,6 +790,8 @@ static int ieee80211_ioctl_siwfrag(struct net_device *dev,
if (frag->disabled)
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
+ else if (!frag->fixed)
+ local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
else if (frag->value < 256 ||
frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
return -EINVAL;
@@ -944,6 +983,58 @@ static int ieee80211_ioctl_giwencode(struct net_device *dev,
erq->length = sdata->keys[idx]->conf.keylen;
erq->flags |= IW_ENCODE_ENABLED;
+ if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
+ struct ieee80211_if_sta *ifsta = &sdata->u.sta;
+ switch (ifsta->auth_alg) {
+ case WLAN_AUTH_OPEN:
+ case WLAN_AUTH_LEAP:
+ erq->flags |= IW_ENCODE_OPEN;
+ break;
+ case WLAN_AUTH_SHARED_KEY:
+ erq->flags |= IW_ENCODE_RESTRICTED;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+static int ieee80211_ioctl_siwpower(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_param *wrq,
+ char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ if (wrq->disabled) {
+ conf->flags &= ~IEEE80211_CONF_PS;
+ return ieee80211_hw_config(local);
+ }
+
+ switch (wrq->flags & IW_POWER_MODE) {
+ case IW_POWER_ON: /* If not specified */
+ case IW_POWER_MODE: /* If set all mask */
+ case IW_POWER_ALL_R: /* If explicitely state all */
+ conf->flags |= IEEE80211_CONF_PS;
+ break;
+ default: /* Otherwise we don't support it */
+ return -EINVAL;
+ }
+
+ return ieee80211_hw_config(local);
+}
+
+static int ieee80211_ioctl_giwpower(struct net_device *dev,
+ struct iw_request_info *info,
+ union iwreq_data *wrqu,
+ char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
+
return 0;
}
@@ -1015,8 +1106,8 @@ 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_rssi;
- wstats->qual.qual = sta->last_signal;
+ wstats->qual.level = sta->last_signal;
+ wstats->qual.qual = sta->last_qual;
wstats->qual.noise = sta->last_noise;
wstats->qual.updated = local->wstats_flags;
}
@@ -1149,8 +1240,8 @@ static const iw_handler ieee80211_handler[] =
(iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
(iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
(iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
- (iw_handler) NULL, /* SIOCSIWPOWER */
- (iw_handler) NULL, /* SIOCGIWPOWER */
+ (iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
+ (iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) NULL, /* -- hole -- */
(iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.