/drivers/staging/ath6kl/include/wlan_api.h

  1//------------------------------------------------------------------------------
  2// Copyright (c) 2004-2010 Atheros Corporation.  All rights reserved.
  3// 
  4//
  5// Permission to use, copy, modify, and/or distribute this software for any
  6// purpose with or without fee is hereby granted, provided that the above
  7// copyright notice and this permission notice appear in all copies.
  8//
  9// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 10// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 11// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 12// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 13// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 14// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 15// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 16//
 17//
 18//------------------------------------------------------------------------------
 19//==============================================================================
 20// This file contains the API for the host wlan module
 21//
 22// Author(s): ="Atheros"
 23//==============================================================================
 24#ifndef _HOST_WLAN_API_H_
 25#define _HOST_WLAN_API_H_
 26
 27
 28#ifdef __cplusplus
 29extern "C" {
 30#endif
 31
 32#include <a_osapi.h>
 33
 34struct ieee80211_node_table;
 35struct ieee80211_frame;
 36
 37struct ieee80211_common_ie {
 38    u16 ie_chan;
 39    u8 *ie_tstamp;
 40    u8 *ie_ssid;
 41    u8 *ie_rates;
 42    u8 *ie_xrates;
 43    u8 *ie_country;
 44    u8 *ie_wpa;
 45    u8 *ie_rsn;
 46    u8 *ie_wmm;
 47    u8 *ie_ath;
 48    u16 ie_capInfo;
 49    u16 ie_beaconInt;
 50    u8 *ie_tim;
 51    u8 *ie_chswitch;
 52    u8 ie_erp;
 53    u8 *ie_wsc;
 54    u8 *ie_htcap;
 55    u8 *ie_htop;
 56#ifdef WAPI_ENABLE
 57    u8 *ie_wapi;
 58#endif
 59};
 60
 61typedef struct bss {
 62    u8 ni_macaddr[6];
 63    u8 ni_snr;
 64    s16 ni_rssi;
 65    struct bss                   *ni_list_next;
 66    struct bss                   *ni_list_prev;
 67    struct bss                   *ni_hash_next;
 68    struct bss                   *ni_hash_prev;
 69    struct ieee80211_common_ie   ni_cie;
 70    u8 *ni_buf;
 71    u16 ni_framelen;
 72    struct ieee80211_node_table *ni_table;
 73    u32 ni_refcnt;
 74    int                          ni_scangen;
 75
 76    u32 ni_tstamp;
 77    u32 ni_actcnt;
 78#ifdef OS_ROAM_MANAGEMENT
 79    u32 ni_si_gen;
 80#endif
 81} bss_t;
 82
 83typedef void wlan_node_iter_func(void *arg, bss_t *);
 84
 85bss_t *wlan_node_alloc(struct ieee80211_node_table *nt, int wh_size);
 86void wlan_node_free(bss_t *ni);
 87void wlan_setup_node(struct ieee80211_node_table *nt, bss_t *ni,
 88                const u8 *macaddr);
 89bss_t *wlan_find_node(struct ieee80211_node_table *nt, const u8 *macaddr);
 90void wlan_node_reclaim(struct ieee80211_node_table *nt, bss_t *ni);
 91void wlan_free_allnodes(struct ieee80211_node_table *nt);
 92void wlan_iterate_nodes(struct ieee80211_node_table *nt, wlan_node_iter_func *f,
 93                        void *arg);
 94
 95void wlan_node_table_init(void *wmip, struct ieee80211_node_table *nt);
 96void wlan_node_table_reset(struct ieee80211_node_table *nt);
 97void wlan_node_table_cleanup(struct ieee80211_node_table *nt);
 98
 99int wlan_parse_beacon(u8 *buf, int framelen,
100                           struct ieee80211_common_ie *cie);
101
102u16 wlan_ieee2freq(int chan);
103u32 wlan_freq2ieee(u16 freq);
104
105void wlan_set_nodeage(struct ieee80211_node_table *nt, u32 nodeAge);
106
107void
108wlan_refresh_inactive_nodes (struct ieee80211_node_table *nt);
109
110bss_t *
111wlan_find_Ssidnode (struct ieee80211_node_table *nt, u8 *pSsid,
112                    u32 ssidLength, bool bIsWPA2, bool bMatchSSID);
113
114void
115wlan_node_return (struct ieee80211_node_table *nt, bss_t *ni);
116
117bss_t *wlan_node_remove(struct ieee80211_node_table *nt, u8 *bssid);
118
119bss_t *
120wlan_find_matching_Ssidnode (struct ieee80211_node_table *nt, u8 *pSsid,
121                    u32 ssidLength, u32 dot11AuthMode, u32 authMode,
122                   u32 pairwiseCryptoType, u32 grpwiseCryptoTyp);
123
124#ifdef __cplusplus
125}
126#endif
127
128#endif /* _HOST_WLAN_API_H_ */