mac80211: add unified BSS configuration

This patch (based on Ron Rindjunsky's) creates a framework for
a unified way to pass BSS configuration to drivers that require
the information, e.g. for implementing power save mode.

This patch introduces new ieee80211_bss_conf structure that is
passed to the driver via the new bss_info_changed() callback
when the BSS configuration changes.

This new BSS configuration infrastructure adds the following
new features:
 * drivers are notified of their association AID
 * drivers are notified of association status

and replaces the erp_ie_changed() callback. The patch also does
the relevant driver updates for the latter change.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 10 insertions, 6 deletions

diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 1d67bcd46bcb..e3f15e518c76 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -342,23 +342,27 @@ int rt2x00mac_get_tx_stats(struct ieee80211_hw *hw,
 }
 EXPORT_SYMBOL_GPL(rt2x00mac_get_tx_stats);
 
-void rt2x00mac_erp_ie_changed(struct ieee80211_hw *hw, u8 changes,
-                              int cts_protection, int preamble)
+void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
+                                struct ieee80211_vif *vif,
+                                struct ieee80211_bss_conf *bss_conf,
+                                u32 changes)
 {
         struct rt2x00_dev *rt2x00dev = hw->priv;
         int short_preamble;
         int ack_timeout;
         int ack_consume_time;
         int difs;
+        int preamble;
 
         /*
          * We only support changing preamble mode.
          */
-        if (!(changes & IEEE80211_ERP_CHANGE_PREAMBLE))
+        if (!(changes & BSS_CHANGED_ERP_PREAMBLE))
                 return;
 
-        short_preamble = !preamble;
-        preamble = !!(preamble) ? PREAMBLE : SHORT_PREAMBLE;
+        short_preamble = bss_conf->use_short_preamble;
+        preamble = bss_conf->use_short_preamble ?
+                                SHORT_PREAMBLE : PREAMBLE;
 
         difs = (hw->conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME) ?
                 SHORT_DIFS : DIFS;
@@ -374,7 +378,7 @@ void rt2x00mac_erp_ie_changed(struct ieee80211_hw *hw, u8 changes,
         rt2x00dev->ops->lib->config_preamble(rt2x00dev, short_preamble,
                                              ack_timeout, ack_consume_time);
 }
-EXPORT_SYMBOL_GPL(rt2x00mac_erp_ie_changed);
+EXPORT_SYMBOL_GPL(rt2x00mac_bss_info_changed);
 
 int rt2x00mac_conf_tx(struct ieee80211_hw *hw, int queue,
                       const struct ieee80211_tx_queue_params *params)