Merge branch 'master' into tk71

[mv-sheeva.git] / drivers / staging / ath6kl / wlan / include / ieee80211_node.h

diff --git a/drivers/staging/ath6kl/wlan/include/ieee80211_node.h b/drivers/staging/ath6kl/wlan/include/ieee80211_node.h
new file mode 100644 (file)
index 0000000..683deec
--- /dev/null
+++ b/drivers/staging/ath6kl/wlan/include/ieee80211_node.h
@@ -0,0 +1,93 @@
+//------------------------------------------------------------------------------
+// <copyright file="ieee80211_node.h" company="Atheros">
+//    Copyright (c) 2004-2010 Atheros Corporation.  All rights reserved.
+// 
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// Author(s): ="Atheros"
+//==============================================================================
+#ifndef _IEEE80211_NODE_H_
+#define _IEEE80211_NODE_H_
+
+/*
+ * Node locking definitions.
+ */
+#define IEEE80211_NODE_LOCK_INIT(_nt)   A_MUTEX_INIT(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_LOCK_DESTROY(_nt) if (A_IS_MUTEX_VALID(&(_nt)->nt_nodelock)) { \
+                                               A_MUTEX_DELETE(&(_nt)->nt_nodelock); }
+       
+#define IEEE80211_NODE_LOCK(_nt)        A_MUTEX_LOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_UNLOCK(_nt)      A_MUTEX_UNLOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_LOCK_BH(_nt)     A_MUTEX_LOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_UNLOCK_BH(_nt)   A_MUTEX_UNLOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_LOCK_ASSERT(_nt)
+
+/*
+ * Node reference counting definitions.
+ *
+ * ieee80211_node_initref   initialize the reference count to 1
+ * ieee80211_node_incref    add a reference
+ * ieee80211_node_decref    remove a reference
+ * ieee80211_node_dectestref    remove a reference and return 1 if this
+ *              is the last reference, otherwise 0
+ * ieee80211_node_refcnt    reference count for printing (only)
+ */
+#define ieee80211_node_initref(_ni)     ((_ni)->ni_refcnt = 1)
+#define ieee80211_node_incref(_ni)      ((_ni)->ni_refcnt++)
+#define ieee80211_node_decref(_ni)      ((_ni)->ni_refcnt--)
+#define ieee80211_node_dectestref(_ni)  (((_ni)->ni_refcnt--) == 1)
+#define ieee80211_node_refcnt(_ni)      ((_ni)->ni_refcnt)
+
+#define IEEE80211_NODE_HASHSIZE 32
+/* simple hash is enough for variation of macaddr */
+#define IEEE80211_NODE_HASH(addr)   \
+    (((const A_UINT8 *)(addr))[IEEE80211_ADDR_LEN - 1] % \
+        IEEE80211_NODE_HASHSIZE)
+
+/*
+ * Table of ieee80211_node instances.  Each ieee80211com
+ * has at least one for holding the scan candidates.
+ * When operating as an access point or in ibss mode there
+ * is a second table for associated stations or neighbors.
+ */
+struct ieee80211_node_table {
+    void                   *nt_wmip;       /* back reference */
+    A_MUTEX_T               nt_nodelock;    /* on node table */
+    struct bss              *nt_node_first; /* information of all nodes */
+    struct bss              *nt_node_last;  /* information of all nodes */
+    struct bss              *nt_hash[IEEE80211_NODE_HASHSIZE];
+    const char              *nt_name;   /* for debugging */
+    A_UINT32                nt_scangen; /* gen# for timeout scan */
+#ifdef THREAD_X
+    A_TIMER                 nt_inact_timer;
+    A_UINT8                 isTimerArmed;   /* is the node timer armed */
+#endif
+    A_UINT32                nt_nodeAge; /* node aging time */
+#ifdef OS_ROAM_MANAGEMENT
+    A_UINT32                nt_si_gen; /* gen# for scan indication*/
+#endif
+};
+
+#ifdef THREAD_X
+#define WLAN_NODE_INACT_TIMEOUT_MSEC            20000
+#else
+#define WLAN_NODE_INACT_TIMEOUT_MSEC            120000
+#endif
+   
+#define WLAN_NODE_INACT_CNT            4
+
+#endif /* _IEEE80211_NODE_H_ */