iwlwifi-2.6: Cleans up set_key flow

This patch cleans up the set_key flow. Rxon with hw encryption bit set is
not sent upon each call to set_key. Separation is made between global key
(WEP) and dynamic key (TKIP + CCMP and WEP in some cases).

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-commands.h b/drivers/net/wireless/iwlwifi/iwl-4965-commands.h
index 1025ffe..085d813 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-commands.h
@@ -741,6 +741,7 @@
 /* wep key in STA: 5-bytes (0) or 13-bytes (1) */
 #define STA_KEY_FLG_KEY_SIZE_MSK     __constant_cpu_to_le16(0x1000)
 #define STA_KEY_MULTICAST_MSK        __constant_cpu_to_le16(0x4000)
+#define STA_KEY_MAX_NUM		8
 
 /* Flags indicate whether to modify vs. don't change various station params */
 #define	STA_MODIFY_KEY_MASK		0x01