58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
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/*
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* mac80211 - channel management
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*/
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#include "ieee80211_i.h"
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enum ieee80211_chan_mode
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__ieee80211_get_channel_mode(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *ignore)
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{
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struct ieee80211_sub_if_data *sdata;
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WARN_ON(!mutex_is_locked(&local->iflist_mtx));
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list_for_each_entry(sdata, &local->interfaces, list) {
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if (sdata == ignore)
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continue;
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if (!ieee80211_sdata_running(sdata))
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continue;
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if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
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continue;
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if (sdata->vif.type == NL80211_IFTYPE_STATION &&
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!sdata->u.mgd.associated)
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continue;
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC) {
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if (!sdata->u.ibss.ssid_len)
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continue;
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if (!sdata->u.ibss.fixed_channel)
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return CHAN_MODE_HOPPING;
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}
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if (sdata->vif.type == NL80211_IFTYPE_AP &&
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!sdata->u.ap.beacon)
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continue;
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return CHAN_MODE_FIXED;
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}
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return CHAN_MODE_UNDEFINED;
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}
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enum ieee80211_chan_mode
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ieee80211_get_channel_mode(struct ieee80211_local *local,
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struct ieee80211_sub_if_data *ignore)
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{
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enum ieee80211_chan_mode mode;
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mutex_lock(&local->iflist_mtx);
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mode = __ieee80211_get_channel_mode(local, ignore);
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mutex_unlock(&local->iflist_mtx);
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return mode;
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}
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