Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=333af2f0715c8d4d38cb657d8f4fb7c4e3ceba9f
Commit:     333af2f0715c8d4d38cb657d8f4fb7c4e3ceba9f
Parent:     c59304b5e07128816347fe3996d7952561f60529
Author:     Hong Liu <[EMAIL PROTECTED]>
AuthorDate: Tue Jul 10 19:32:08 2007 +0200
Committer:  John W. Linville <[EMAIL PROTECTED]>
CommitDate: Thu Jul 12 16:07:25 2007 -0400

    [PATCH] mac80211: add support for iwlist channel
    
    Add supported channels info in SIOCGIWRANGE implementation.
    
    Signed-off-by: Hong Liu <[EMAIL PROTECTED]>
    Signed-off-by: Jiri Benc <[EMAIL PROTECTED]>
    Signed-off-by: John W. Linville <[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 66e8a97..ef74a91 100644
--- a/net/mac80211/ieee80211_ioctl.c
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -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);
-
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