1 files changed, 0 insertions, 135 deletions
diff --git a/net/wireless_ath/chan.c b/net/wireless_ath/chan.c
deleted file mode 100755
index 17cd0c0..0000000
--- a/net/wireless_ath/chan.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * This file contains helper code to handle channel
- * settings and keeping track of what is possible at
- * any point in time.
- *
- * Copyright 2009	Johannes Berg <johannes@sipsolutions.net>
- */
-
-#include <net/cfg80211.h>
-#include "core.h"
-
-struct ieee80211_channel *
-rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
-		  int freq, enum nl80211_channel_type channel_type)
-{
-	struct ieee80211_channel *chan;
-	struct ieee80211_sta_ht_cap *ht_cap;
-
-	chan = ieee80211_get_channel(&rdev->wiphy, freq);
-
-	/* Primary channel not allowed */
-	if (!chan || chan->flags & IEEE80211_CHAN_DISABLED)
-		return NULL;
-
-	if (channel_type == NL80211_CHAN_HT40MINUS &&
-	    chan->flags & IEEE80211_CHAN_NO_HT40MINUS)
-		return NULL;
-	else if (channel_type == NL80211_CHAN_HT40PLUS &&
-		 chan->flags & IEEE80211_CHAN_NO_HT40PLUS)
-		return NULL;
-
-	ht_cap = &rdev->wiphy.bands[chan->band]->ht_cap;
-
-	if (channel_type != NL80211_CHAN_NO_HT) {
-		if (!ht_cap->ht_supported)
-			return NULL;
-
-		if (channel_type != NL80211_CHAN_HT20 &&
-		    (!(ht_cap->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ||
-		    ht_cap->cap & IEEE80211_HT_CAP_40MHZ_INTOLERANT))
-			return NULL;
-	}
-
-	return chan;
-}
-
-static bool can_beacon_sec_chan(struct wiphy *wiphy,
-				struct ieee80211_channel *chan,
-				enum nl80211_channel_type channel_type)
-{
-	struct ieee80211_channel *sec_chan;
-	int diff;
-
-	switch (channel_type) {
-	case NL80211_CHAN_HT40PLUS:
-		diff = 20;
-		break;
-	case NL80211_CHAN_HT40MINUS:
-		diff = -20;
-		break;
-	default:
-		return false;
-	}
-
-	sec_chan = ieee80211_get_channel(wiphy, chan->center_freq + diff);
-	if (!sec_chan)
-		return false;
-
-	/* we'll need a DFS capability later */
-	if (sec_chan->flags & (IEEE80211_CHAN_DISABLED |
-			       IEEE80211_CHAN_PASSIVE_SCAN |
-			       IEEE80211_CHAN_NO_IBSS |
-			       IEEE80211_CHAN_RADAR))
-		return false;
-
-	return true;
-}
-
-int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
-		      struct wireless_dev *wdev, int freq,
-		      enum nl80211_channel_type channel_type)
-{
-	struct ieee80211_channel *chan;
-	int result;
-
-	if (wdev && wdev->iftype == NL80211_IFTYPE_MONITOR)
-		wdev = NULL;
-
-	if (wdev) {
-		ASSERT_WDEV_LOCK(wdev);
-
-		if (!netif_running(wdev->netdev))
-			return -ENETDOWN;
-	}
-
-	if (!rdev->ops->set_channel)
-		return -EOPNOTSUPP;
-
-	chan = rdev_freq_to_chan(rdev, freq, channel_type);
-	if (!chan)
-		return -EINVAL;
-
-	/* Both channels should be able to initiate communication */
-	if (wdev && (wdev->iftype == NL80211_IFTYPE_ADHOC ||
-		     wdev->iftype == NL80211_IFTYPE_AP ||
-		     wdev->iftype == NL80211_IFTYPE_AP_VLAN ||
-		     wdev->iftype == NL80211_IFTYPE_MESH_POINT ||
-		     wdev->iftype == NL80211_IFTYPE_P2P_GO)) {
-		switch (channel_type) {
-		case NL80211_CHAN_HT40PLUS:
-		case NL80211_CHAN_HT40MINUS:
-			if (!can_beacon_sec_chan(&rdev->wiphy, chan,
-						 channel_type)) {
-				printk(KERN_DEBUG
-				       "cfg80211: Secondary channel not "
-				       "allowed to initiate communication\n");
-				return -EINVAL;
-			}
-			break;
-		default:
-			break;
-		}
-	}
-
-	result = rdev->ops->set_channel(&rdev->wiphy,
-					wdev ? wdev->netdev : NULL,
-					chan, channel_type);
-	if (result)
-		return result;
-
-	if (wdev)
-		wdev->channel = chan;
-
-	return 0;
-}