update d80211 to latest wireless-dev version

[openwrt/openwrt.git] / package / d80211 / src / ieee80211_scan.c

diff --git a/package/d80211/src/ieee80211_scan.c b/package/d80211/src/ieee80211_scan.c
index 6db66f0831fcb9c4774d11e057ad28d2de4df300..fe28f578b26ee783cddafe099ed920358773adb4 100644 (file)
--- a/package/d80211/src/ieee80211_scan.c
+++ b/package/d80211/src/ieee80211_scan.c
@@ -24,49 +24,49 @@
 #define SCAN_TXRX_THRESHOLD 75
 
 static void get_channel_params(struct ieee80211_local *local, int channel,
-                               struct ieee80211_hw_modes **mode,
+                               struct ieee80211_hw_mode **mode,
                                struct ieee80211_channel **chan)
 {
-       int m;
+       struct ieee80211_hw_mode *m;
 
-       for (m = 0; m < local->hw.num_modes; m++) {
-               *mode = &local->hw.modes[m];
-               if ((*mode)->mode == local->hw.conf.phymode)
+       list_for_each_entry(m, &local->modes_list, list) {
+               *mode = m;
+               if (m->mode == local->hw.conf.phymode)
                        break;
        }
-       local->scan.mode_idx = m;
+       local->scan.mode = m;
        local->scan.chan_idx = 0;
        do {
-               *chan = &(*mode)->channels[local->scan.chan_idx];
-               if ((*chan)->chan == channel) {
+               *chan = &m->channels[local->scan.chan_idx];
+               if ((*chan)->chan == channel)
                        return;
-               }
                local->scan.chan_idx++;
-       } while (local->scan.chan_idx < (*mode)->num_channels);
+       } while (local->scan.chan_idx < m->num_channels);
        *chan = NULL;
 }
 
 
 static void next_chan_same_mode(struct ieee80211_local *local,
-                               struct ieee80211_hw_modes **mode,
+                               struct ieee80211_hw_mode **mode,
                                struct ieee80211_channel **chan)
 {
-       int m, prev;
+       struct ieee80211_hw_mode *m;
+       int prev;
 
-       for (m = 0; m < local->hw.num_modes; m++) {
-               *mode = &local->hw.modes[m];
-               if ((*mode)->mode == local->hw.conf.phymode)
+       list_for_each_entry(m, &local->modes_list, list) {
+               *mode = m;
+               if (m->mode == local->hw.conf.phymode)
                        break;
        }
-       local->scan.mode_idx = m;
+       local->scan.mode = m;
 
        /* Select next channel - scan only channels marked with W_SCAN flag */
        prev = local->scan.chan_idx;
        do {
                local->scan.chan_idx++;
-               if (local->scan.chan_idx >= (*mode)->num_channels)
+               if (local->scan.chan_idx >= m->num_channels)
                        local->scan.chan_idx = 0;
-               *chan = &(*mode)->channels[local->scan.chan_idx];
+               *chan = &m->channels[local->scan.chan_idx];
                if ((*chan)->flag & IEEE80211_CHAN_W_SCAN)
                        break;
        } while (local->scan.chan_idx != prev);
@@ -74,43 +74,44 @@ static void next_chan_same_mode(struct ieee80211_local *local,
 
 
 static void next_chan_all_modes(struct ieee80211_local *local,
-                               struct ieee80211_hw_modes **mode,
+                               struct ieee80211_hw_mode **mode,
                                struct ieee80211_channel **chan)
 {
-       int prev, prev_m;
-
-       if (local->scan.mode_idx >= local->hw.num_modes) {
-               local->scan.mode_idx = 0;
-               local->scan.chan_idx = 0;
-       }
+       struct ieee80211_hw_mode *prev_m;
+       int prev;
 
        /* Select next channel - scan only channels marked with W_SCAN flag */
        prev = local->scan.chan_idx;
-       prev_m = local->scan.mode_idx;
+       prev_m = local->scan.mode;
        do {
-               *mode = &local->hw.modes[local->scan.mode_idx];
+               *mode = local->scan.mode;
                local->scan.chan_idx++;
                if (local->scan.chan_idx >= (*mode)->num_channels) {
+                       struct list_head *next;
+
                        local->scan.chan_idx = 0;
-                       local->scan.mode_idx++;
-                       if (local->scan.mode_idx >= local->hw.num_modes)
-                               local->scan.mode_idx = 0;
-                       *mode = &local->hw.modes[local->scan.mode_idx];
+                       next = (*mode)->list.next;
+                       if (next == &local->modes_list)
+                               next = next->next;
+                       *mode = list_entry(next,
+                                          struct ieee80211_hw_mode,
+                                          list);
+                       local->scan.mode = *mode;
                }
                *chan = &(*mode)->channels[local->scan.chan_idx];
                if ((*chan)->flag & IEEE80211_CHAN_W_SCAN)
                        break;
        } while (local->scan.chan_idx != prev ||
-                local->scan.mode_idx != prev_m);
+                local->scan.mode != prev_m);
 }
 
 
 static void ieee80211_scan_start(struct ieee80211_local *local,
                                 struct ieee80211_scan_conf *conf)
 {
-       int old_mode_idx = local->scan.mode_idx;
+       struct ieee80211_hw_mode *old_mode = local->scan.mode;
        int old_chan_idx = local->scan.chan_idx;
-       struct ieee80211_hw_modes *mode = NULL;
+       struct ieee80211_hw_mode *mode = NULL;
        struct ieee80211_channel *chan = NULL;
        int ret;
 
@@ -189,7 +190,7 @@ static void ieee80211_scan_start(struct ieee80211_local *local,
                if (ret == -EAGAIN) {
                        local->scan.timer.expires = jiffies +
                                (local->scan.interval * HZ / 100);
-                       local->scan.mode_idx = old_mode_idx;
+                       local->scan.mode = old_mode;
                        local->scan.chan_idx = old_chan_idx;
                } else {
                        printk(KERN_DEBUG "%s: Got unknown error from "
@@ -207,23 +208,17 @@ static void ieee80211_scan_start(struct ieee80211_local *local,
 static void ieee80211_scan_stop(struct ieee80211_local *local,
                                struct ieee80211_scan_conf *conf)
 {
-       struct ieee80211_hw_modes *mode;
+       struct ieee80211_hw_mode *mode;
        struct ieee80211_channel *chan;
        int wait;
 
        if (!local->ops->passive_scan)
                return;
 
-       if (local->scan.mode_idx >= local->hw.num_modes) {
-               local->scan.mode_idx = 0;
-               local->scan.chan_idx = 0;
-       }
+       mode = local->scan.mode;
 
-       mode = &local->hw.modes[local->scan.mode_idx];
-
-       if (local->scan.chan_idx >= mode->num_channels) {
+       if (local->scan.chan_idx >= mode->num_channels)
                local->scan.chan_idx = 0;
-       }
 
        chan = &mode->channels[local->scan.chan_idx];