1#ifndef _HOST_WLAN_API_H_
2#define _HOST_WLAN_API_H_
3/*
4 * Copyright (c) 2004-2005 Atheros Communications Inc.
5 * All rights reserved.
6 *
7 * This file contains the API for the host wlan module
8 *
9 * $Id: //depot/sw/releases/olca2.0-GPL/host/include/wlan_api.h#1 $
10 *
11 *
12 *  This program is free software; you can redistribute it and/or modify
13 *  it under the terms of the GNU General Public License version 2 as
14 *  published by the Free Software Foundation;
15 *
16 *  Software distributed under the License is distributed on an "AS
17 *  IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
18 *  implied. See the License for the specific language governing
19 *  rights and limitations under the License.
20 *
21 *
22 *
23 */
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29struct ieee80211_node_table;
30struct ieee80211_frame;
31
32struct ieee80211_common_ie {
33    A_UINT16    ie_chan;
34    A_UINT8     *ie_tstamp;
35    A_UINT8     *ie_ssid;
36    A_UINT8     *ie_rates;
37    A_UINT8     *ie_xrates;
38    A_UINT8     *ie_country;
39    A_UINT8     *ie_wpa;
40    A_UINT8     *ie_rsn;
41    A_UINT8     *ie_wmm;
42    A_UINT8     *ie_ath;
43    A_UINT16    ie_capInfo;
44    A_UINT16    ie_beaconInt;
45    A_UINT8     *ie_tim;
46    A_UINT8     *ie_chswitch;
47    A_UINT8     ie_erp;
48    A_UINT8     *ie_wsc;
49};
50
51typedef struct bss {
52    A_UINT8                      ni_macaddr[6];
53    A_UINT8                      ni_snr;
54    A_INT16                      ni_rssi;
55    struct bss                   *ni_list_next;
56    struct bss                   *ni_list_prev;
57    struct bss                   *ni_hash_next;
58    struct bss                   *ni_hash_prev;
59    struct ieee80211_common_ie   ni_cie;
60    A_UINT8                     *ni_buf;
61    struct ieee80211_node_table *ni_table;
62    A_UINT32                     ni_refcnt;
63    int                          ni_scangen;
64    A_UINT32                     ni_tstamp;
65} bss_t;
66
67typedef void wlan_node_iter_func(void *arg, bss_t *);
68
69bss_t *wlan_node_alloc(struct ieee80211_node_table *nt, int wh_size);
70void wlan_node_free(bss_t *ni);
71void wlan_setup_node(struct ieee80211_node_table *nt, bss_t *ni,
72                const A_UINT8 *macaddr);
73bss_t *wlan_find_node(struct ieee80211_node_table *nt, const A_UINT8 *macaddr);
74void wlan_node_reclaim(struct ieee80211_node_table *nt, bss_t *ni);
75void wlan_free_allnodes(struct ieee80211_node_table *nt);
76void wlan_iterate_nodes(struct ieee80211_node_table *nt, wlan_node_iter_func *f,
77                        void *arg);
78
79void wlan_node_table_init(void *wmip, struct ieee80211_node_table *nt);
80void wlan_node_table_reset(struct ieee80211_node_table *nt);
81void wlan_node_table_cleanup(struct ieee80211_node_table *nt);
82
83A_STATUS wlan_parse_beacon(A_UINT8 *buf, int framelen,
84                           struct ieee80211_common_ie *cie);
85
86A_UINT16 wlan_ieee2freq(int chan);
87A_UINT32 wlan_freq2ieee(A_UINT16 freq);
88
89
90bss_t *
91wlan_find_Ssidnode (struct ieee80211_node_table *nt, A_UCHAR *pSsid,
92					A_UINT32 ssidLength, A_BOOL bIsWPA2);
93
94void
95wlan_node_return (struct ieee80211_node_table *nt, bss_t *ni);
96
97#ifdef __cplusplus
98}
99#endif
100
101#endif /* _HOST_WLAN_API_H_ */
102