Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem

Conflicts:
	drivers/net/wireless/ath/ar9170/main.c

3 files changed, 28 insertions, 2 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index f8750f9a65b8..b7c77f9712f4 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -52,6 +52,8 @@
  *      %NL80211_ATTR_WIPHY_CHANNEL_TYPE, %NL80211_ATTR_WIPHY_RETRY_SHORT,
  *      %NL80211_ATTR_WIPHY_RETRY_LONG, %NL80211_ATTR_WIPHY_FRAG_THRESHOLD,
  *      and/or %NL80211_ATTR_WIPHY_RTS_THRESHOLD.
+ *      However, for setting the channel, see %NL80211_CMD_SET_CHANNEL
+ *      instead, the support here is for backward compatibility only.
  * @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request
  *      or rename notification. Has attributes %NL80211_ATTR_WIPHY and
  *      %NL80211_ATTR_WIPHY_NAME.
@@ -329,6 +331,15 @@
  * @NL80211_CMD_NOTIFY_CQM: Connection quality monitor notification. This
  *      command is used as an event to indicate the that a trigger level was
  *      reached.
+ * @NL80211_CMD_SET_CHANNEL: Set the channel (using %NL80211_ATTR_WIPHY_FREQ
+ *      and %NL80211_ATTR_WIPHY_CHANNEL_TYPE) the given interface (identifed
+ *      by %NL80211_ATTR_IFINDEX) shall operate on.
+ *      In case multiple channels are supported by the device, the mechanism
+ *      with which it switches channels is implementation-defined.
+ *      When a monitor interface is given, it can only switch channel while
+ *      no other interfaces are operating to avoid disturbing the operation
+ *      of any other interfaces, and other interfaces will again take
+ *      precedence when they are used.
  *
  * @NL80211_CMD_MAX: highest used command number
  * @__NL80211_CMD_AFTER_LAST: internal use
@@ -428,6 +439,8 @@ enum nl80211_commands {
         NL80211_CMD_SET_CQM,
         NL80211_CMD_NOTIFY_CQM,
 
+        NL80211_CMD_SET_CHANNEL,
+
         /* add new commands above here */
 
         /* used to define NL80211_CMD_MAX below */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 7d10c0182f53..b44a2e5321a3 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -966,7 +966,11 @@ struct cfg80211_pmksa {
  *
  * @set_txq_params: Set TX queue parameters
  *
- * @set_channel: Set channel
+ * @set_channel: Set channel for a given wireless interface. Some devices
+ *      may support multi-channel operation (by channel hopping) so cfg80211
+ *      doesn't verify much. Note, however, that the passed netdev may be
+ *      %NULL as well if the user requested changing the channel for the
+ *      device itself, or for a monitor interface.
  *
  * @scan: Request to do a scan. If returning zero, the scan request is given
  *      the driver, and will be valid until passed to cfg80211_scan_done().
@@ -1095,7 +1099,7 @@ struct cfg80211_ops {
         int     (*set_txq_params)(struct wiphy *wiphy,
                                   struct ieee80211_txq_params *params);
 
-        int     (*set_channel)(struct wiphy *wiphy,
+        int     (*set_channel)(struct wiphy *wiphy, struct net_device *dev,
                                struct ieee80211_channel *chan,
                                enum nl80211_channel_type channel_type);
 
@@ -1461,6 +1465,8 @@ struct cfg80211_cached_keys;
  * @list: (private) Used to collect the interfaces
  * @netdev: (private) Used to reference back to the netdev
  * @current_bss: (private) Used by the internal configuration code
+ * @channel: (private) Used by the internal configuration code to track
+ *      user-set AP, monitor and WDS channels for wireless extensions
  * @bssid: (private) Used by the internal configuration code
  * @ssid: (private) Used by the internal configuration code
  * @ssid_len: (private) Used by the internal configuration code
@@ -1507,6 +1513,7 @@ struct wireless_dev {
         struct cfg80211_internal_bss *authtry_bsses[MAX_AUTH_BSSES];
         struct cfg80211_internal_bss *auth_bsses[MAX_AUTH_BSSES];
         struct cfg80211_internal_bss *current_bss; /* associated / joined */
+        struct ieee80211_channel *channel;
 
         bool ps;
         int ps_timeout;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 54aa16b98b76..ac45c5b9d7e2 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -160,6 +160,8 @@ enum ieee80211_bss_change {
         BSS_CHANGED_BEACON_ENABLED      = 1<<9,
         BSS_CHANGED_CQM                 = 1<<10,
         BSS_CHANGED_IBSS                = 1<<11,
+
+        /* when adding here, make sure to change ieee80211_reconfig */
 };
 
 /**
@@ -189,6 +191,9 @@ enum ieee80211_bss_change {
  *      the current band.
  * @bssid: The BSSID for this BSS
  * @enable_beacon: whether beaconing should be enabled or not
+ * @channel_type: Channel type for this BSS -- the hardware might be
+ *      configured for HT40+ while this BSS only uses no-HT, for
+ *      example.
  * @ht_operation_mode: HT operation mode (like in &struct ieee80211_ht_info).
  *      This field is only valid when the channel type is one of the HT types.
  * @cqm_rssi_thold: Connection quality monitor RSSI threshold, a zero value
@@ -213,6 +218,7 @@ struct ieee80211_bss_conf {
         u16 ht_operation_mode;
         s32 cqm_rssi_thold;
         u32 cqm_rssi_hyst;
+        enum nl80211_channel_type channel_type;
 };
 
 /**