diff options
Diffstat (limited to 'drivers/staging/ath6kl/wlan/include/ieee80211_node.h')
| -rw-r--r-- | drivers/staging/ath6kl/wlan/include/ieee80211_node.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/drivers/staging/ath6kl/wlan/include/ieee80211_node.h b/drivers/staging/ath6kl/wlan/include/ieee80211_node.h new file mode 100644 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_ */ |
