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Commit 333af2f0 authored by Hong Liu's avatar Hong Liu Committed by John W. Linville
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[PATCH] mac80211: add support for iwlist channel 



Add supported channels info in SIOCGIWRANGE implementation.

Signed-off-by: default avatarHong Liu <hong.liu@intel.com>
Signed-off-by: default avatarJiri Benc <jbenc@suse.cz>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent c59304b5

net/mac80211/ieee80211_ioctl.c

+25 −0
Original line number Diff line number Diff line
@@ -345,6 +345,8 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, 
{

	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);

	struct iw_range *range = (struct iw_range *) extra;

	struct ieee80211_hw_mode *mode = NULL;

	int c = 0;



	data->length = sizeof(struct iw_range);

	memset(range, 0, sizeof(struct iw_range));
@@ -378,6 +380,29 @@ static int ieee80211_ioctl_giwrange(struct net_device *dev, 
	range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |

			  IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;



	list_for_each_entry(mode, &local->modes_list, list) {

		int i = 0;



		if (!(local->enabled_modes & (1 << mode->mode)) ||

		    (local->hw_modes & local->enabled_modes &

		     (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))

			continue;



		while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) {

			struct ieee80211_channel *chan = &mode->channels[i];



			if (chan->flag & IEEE80211_CHAN_W_SCAN) {

				range->freq[c].i = chan->chan;

				range->freq[c].m = chan->freq * 100000;

				range->freq[c].e = 1;

				c++;

			}

			i++;

		}

	}

	range->num_channels = c;

	range->num_frequency = c;



	IW_EVENT_CAPA_SET_KERNEL(range->event_capa);

	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);

	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);