diff options
Diffstat (limited to 'net/wireless/util.c')
| -rw-r--r-- | net/wireless/util.c | 121 | 
1 files changed, 0 insertions, 121 deletions
| diff --git a/net/wireless/util.c b/net/wireless/util.c index baf7218cec15..92770427b211 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1325,13 +1325,6 @@ size_t ieee80211_ie_split_ric(const u8 *ies, size_t ielen,  }  EXPORT_SYMBOL(ieee80211_ie_split_ric); -size_t ieee80211_ie_split(const u8 *ies, size_t ielen, -			  const u8 *ids, int n_ids, size_t offset) -{ -	return ieee80211_ie_split_ric(ies, ielen, ids, n_ids, NULL, 0, offset); -} -EXPORT_SYMBOL(ieee80211_ie_split); -  bool ieee80211_operating_class_to_band(u8 operating_class,  				       enum ieee80211_band *band)  { @@ -1620,120 +1613,6 @@ int cfg80211_check_combinations(struct wiphy *wiphy,  }  EXPORT_SYMBOL(cfg80211_check_combinations); -int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, -				 struct wireless_dev *wdev, -				 enum nl80211_iftype iftype, -				 struct ieee80211_channel *chan, -				 enum cfg80211_chan_mode chanmode, -				 u8 radar_detect) -{ -	struct wireless_dev *wdev_iter; -	int num[NUM_NL80211_IFTYPES]; -	struct ieee80211_channel -			*used_channels[CFG80211_MAX_NUM_DIFFERENT_CHANNELS]; -	struct ieee80211_channel *ch; -	enum cfg80211_chan_mode chmode; -	int num_different_channels = 0; -	int total = 1; -	int i; - -	ASSERT_RTNL(); - -	if (WARN_ON(hweight32(radar_detect) > 1)) -		return -EINVAL; - -	if (WARN_ON(iftype >= NUM_NL80211_IFTYPES)) -		return -EINVAL; - -	/* Always allow software iftypes */ -	if (rdev->wiphy.software_iftypes & BIT(iftype)) { -		if (radar_detect) -			return -EINVAL; -		return 0; -	} - -	memset(num, 0, sizeof(num)); -	memset(used_channels, 0, sizeof(used_channels)); - -	num[iftype] = 1; - -	/* TODO: We'll probably not need this anymore, since this -	 * should only be called with CHAN_MODE_UNDEFINED. There are -	 * still a couple of pending calls where other chanmodes are -	 * used, but we should get rid of them. -	 */ -	switch (chanmode) { -	case CHAN_MODE_UNDEFINED: -		break; -	case CHAN_MODE_SHARED: -		WARN_ON(!chan); -		used_channels[0] = chan; -		num_different_channels++; -		break; -	case CHAN_MODE_EXCLUSIVE: -		num_different_channels++; -		break; -	} - -	list_for_each_entry(wdev_iter, &rdev->wdev_list, list) { -		if (wdev_iter == wdev) -			continue; -		if (wdev_iter->iftype == NL80211_IFTYPE_P2P_DEVICE) { -			if (!wdev_iter->p2p_started) -				continue; -		} else if (wdev_iter->netdev) { -			if (!netif_running(wdev_iter->netdev)) -				continue; -		} else { -			WARN_ON(1); -		} - -		if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype)) -			continue; - -		/* -		 * We may be holding the "wdev" mutex, but now need to lock -		 * wdev_iter. This is OK because once we get here wdev_iter -		 * is not wdev (tested above), but we need to use the nested -		 * locking for lockdep. -		 */ -		mutex_lock_nested(&wdev_iter->mtx, 1); -		__acquire(wdev_iter->mtx); -		cfg80211_get_chan_state(wdev_iter, &ch, &chmode, &radar_detect); -		wdev_unlock(wdev_iter); - -		switch (chmode) { -		case CHAN_MODE_UNDEFINED: -			break; -		case CHAN_MODE_SHARED: -			for (i = 0; i < CFG80211_MAX_NUM_DIFFERENT_CHANNELS; i++) -				if (!used_channels[i] || used_channels[i] == ch) -					break; - -			if (i == CFG80211_MAX_NUM_DIFFERENT_CHANNELS) -				return -EBUSY; - -			if (used_channels[i] == NULL) { -				used_channels[i] = ch; -				num_different_channels++; -			} -			break; -		case CHAN_MODE_EXCLUSIVE: -			num_different_channels++; -			break; -		} - -		num[wdev_iter->iftype]++; -		total++; -	} - -	if (total == 1 && !radar_detect) -		return 0; - -	return cfg80211_check_combinations(&rdev->wiphy, num_different_channels, -					   radar_detect, num); -} -  int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,  			   const u8 *rates, unsigned int n_rates,  			   u32 *mask) | 
