--- a/src/devices/wifi/wifi-mode.cc	Mon Oct 08 14:43:53 2007 +0200
+++ b/src/devices/wifi/wifi-mode.cc	Mon Oct 08 15:36:37 2007 +0200
@@ -33,12 +33,24 @@
   struct WifiModeFactory::WifiModeItem *item = WifiModeFactory::GetFactory ()->Get (m_uid);
   return item->modulation == WifiMode::QAM;
 }
+enum WifiMode::ModulationType 
+WifiMode::GetModulationType (void) const
+{
+  struct WifiModeFactory::WifiModeItem *item = WifiModeFactory::GetFactory ()->Get (m_uid);
+  return item->modulation;
+}
 uint8_t 
 WifiMode::GetConstellationSize (void) const
 {
   struct WifiModeFactory::WifiModeItem *item = WifiModeFactory::GetFactory ()->Get (m_uid);
   return item->constellationSize;
 }
+bool
+WifiMode::IsMandatory (void) const
+{
+  struct WifiModeFactory::WifiModeItem *item = WifiModeFactory::GetFactory ()->Get (m_uid);
+  return item->isMandatory;
+}
 uint32_t 
 WifiMode::GetUid (void) const
 {
@@ -55,6 +67,7 @@
 
 WifiMode 
 WifiModeFactory::CreateBpsk (std::string uniqueName,
+			     bool isMandatory,
 			     uint32_t bandwidth,
 			     uint32_t dataRate,
 			     uint32_t phyRate)
@@ -67,10 +80,12 @@
   item->phyRate = phyRate;
   item->modulation = WifiMode::BPSK;
   item->constellationSize = 2;
+  item->isMandatory = isMandatory;
   return WifiMode (uid);
 }
 WifiMode 
 WifiModeFactory::CreateQam (std::string uniqueName,
+			     bool isMandatory,
 			    uint32_t bandwidth,
 			    uint32_t dataRate,
 			    uint32_t phyRate,
@@ -84,6 +99,7 @@
   item->phyRate = phyRate;
   item->modulation = WifiMode::QAM;
   item->constellationSize = constellationSize;
+  item->isMandatory = isMandatory;
   return WifiMode (uid);
 }
 

--- a/src/devices/wifi/wifi-mode.h	Mon Oct 08 14:43:53 2007 +0200
+++ b/src/devices/wifi/wifi-mode.h	Mon Oct 08 15:36:37 2007 +0200
@@ -41,11 +41,21 @@
    */
   bool IsModulationQam (void) const;
   /**
+   * \returns the type of modulation used by this mode.
+   */
+  enum ModulationType GetModulationType (void) const;
+  /**
    * \returns the size of the modulation constellation.
    */
   uint8_t GetConstellationSize (void) const;
 
   /**
+   * \returns true if this mode is a mandatory mode, false
+   *          otherwise.
+   */
+  bool IsMandatory (void) const;
+
+  /**
    * \returns the uid associated to this wireless mode.
    *
    * Each specific wireless mode should have a different uid.
@@ -64,10 +74,12 @@
 {
 public:
   static WifiMode CreateBpsk (std::string uniqueName,
+			      bool isMandatory,
 			      uint32_t bandwidth,
 			      uint32_t dataRate,
 			      uint32_t phyRate);
   static WifiMode CreateQam (std::string uniqueName,
+			      bool isMandatory,
 			     uint32_t bandwidth,
 			     uint32_t dataRate,
 			     uint32_t phyRate,
@@ -84,6 +96,7 @@
     uint32_t phyRate;
     enum WifiMode::ModulationType modulation;
     uint8_t constellationSize;
+    bool isMandatory;
   };
 
   uint32_t AllocateUid (std::string uniqueName);

--- a/src/devices/wifi/wifi-phy.cc	Mon Oct 08 14:43:53 2007 +0200
+++ b/src/devices/wifi/wifi-phy.cc	Mon Oct 08 15:36:37 2007 +0200
@@ -63,20 +63,28 @@
 
   // Define all the WifiMode needed for 802.11a
 static WifiMode g_6mba = WifiModeFactory::CreateBpsk ("wifia-6mbs",
+                                                      true,
                                                       20000000, 6000000 * 1 / 2, 6000000);
 static WifiMode g_9mba = WifiModeFactory::CreateBpsk ("wifia-9mbs",
+                                                      false,
                                                       20000000, 9000000 * 3 / 4, 9000000);
 static WifiMode g_12mba = WifiModeFactory::CreateBpsk ("wifia-12mbs",
+                                                       true,
                                                        20000000, 12000000 * 1 / 2, 12000000);
 static WifiMode g_18mba = WifiModeFactory::CreateBpsk ("wifia-18mbs",
+                                                       false,
                                                        20000000, 18000000 * 3 / 4, 18000000);
 static WifiMode g_24mba = WifiModeFactory::CreateBpsk ("wifia-24mbs",
+                                                       true,
                                                        20000000, 24000000 * 1 / 2, 24000000);
 static WifiMode g_36mba = WifiModeFactory::CreateBpsk ("wifia-36mbs",
+                                                       false,
                                                        20000000, 36000000 * 3 / 4, 36000000);
 static WifiMode g_48mba = WifiModeFactory::CreateBpsk ("wifia-48mbs",
+                                                       false,
                                                        20000000, 48000000 * 2 / 3, 48000000);
 static WifiMode g_54mba = WifiModeFactory::CreateBpsk ("wifia-54mbs",
+                                                       false,
                                                        20000000, 54000000 * 3 / 4, 54000000);