Add supported channels info in SIOCGIWRANGE implementation.
Signed-off-by: Hong Liu <[email protected]>
---
net/mac80211/ieee80211_ioctl.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
index fcea8b2..3c09a93 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -1500,6 +1500,9 @@ 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));
@@ -1533,6 +1536,28 @@ 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 j = 0;
+
+ if (!(local->enabled_modes & (1 << mode->mode)) ||
+ (local->hw_modes & local->enabled_modes &
+ (1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))
+ continue;
+
+ while (j < mode->num_channels && c < IW_MAX_FREQUENCIES) {
+ struct ieee80211_channel *chan = &mode->channels[j];
+
+ 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;
+ }
+ ++j; ++c;
+ }
+ }
+ 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);
--
1.5.0.5