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unifi_wext.h
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1 /*
2  *****************************************************************************
3  *
4  * FILE : unifi_wext.h
5  *
6  * PURPOSE : Private header file for unifi driver support to wireless extensions.
7  *
8  * Copyright (C) 2005-2008 by Cambridge Silicon Radio Ltd.
9  *
10  * Refer to LICENSE.txt included with this source code for details on
11  * the license terms.
12  *
13 *****************************************************************************
14  */
15 #ifndef __LINUX_UNIFI_WEXT_H__
16 #define __LINUX_UNIFI_WEXT_H__ 1
17 
18 #include <linux/kernel.h>
19 #include <linux/version.h>
20 #include <net/iw_handler.h>
21 #include "csr_wifi_sme_prim.h"
22 
23 /*
24  * wext.c
25  */
26 /* A few details needed for WEP (Wireless Equivalent Privacy) */
27 #define UNIFI_MAX_KEY_SIZE 16
28 #define NUM_WEPKEYS 4
29 #define SMALL_KEY_SIZE 5
30 #define LARGE_KEY_SIZE 13
31 typedef struct wep_key_t {
32  int len;
33  unsigned char key[UNIFI_MAX_KEY_SIZE]; /* 40-bit and 104-bit keys */
34 } wep_key_t;
35 
36 #define UNIFI_SCAN_ACTIVE 0
37 #define UNIFI_SCAN_PASSIVE 1
38 #define UNIFI_MAX_SSID_LEN 32
39 
40 #define MAX_WPA_IE_LEN 64
41 #define MAX_RSN_IE_LEN 255
42 
43 /*
44  * Function to register in the netdev to report wireless stats.
45  */
46 struct iw_statistics *unifi_get_wireless_stats(struct net_device *dev);
47 
48 void uf_sme_wext_set_defaults(unifi_priv_t *priv);
49 
50 
51 /*
52  * wext_events.c
53  */
54 /* Functions to generate Wireless Extension events */
55 void wext_send_scan_results_event(unifi_priv_t *priv);
56 void wext_send_assoc_event(unifi_priv_t *priv, unsigned char *bssid,
57  unsigned char *req_ie, int req_ie_len,
58  unsigned char *resp_ie, int resp_ie_len,
59  unsigned char *scan_ie, unsigned int scan_ie_len);
60 void wext_send_disassoc_event(unifi_priv_t *priv);
61 void wext_send_michaelmicfailure_event(unifi_priv_t *priv,
62  u16 count, CsrWifiMacAddress address,
63  CsrWifiSmeKeyType keyType, u16 interfaceTag);
64 void wext_send_pmkid_candidate_event(unifi_priv_t *priv, CsrWifiMacAddress bssid, u8 preauth_allowed, u16 interfaceTag);
65 void wext_send_started_event(unifi_priv_t *priv);
66 
67 
68 static inline int
69 uf_iwe_stream_add_point(struct iw_request_info *info, char *start, char *stop,
70  struct iw_event *piwe, char *extra)
71 {
72  char *new_start;
73 
74  new_start = iwe_stream_add_point(info, start, stop, piwe, extra);
75  if (unlikely(new_start == start))
76  return -E2BIG;
77 
78  return (new_start - start);
79 }
80 
81 
82 static inline int
83 uf_iwe_stream_add_event(struct iw_request_info *info, char *start, char *stop,
84  struct iw_event *piwe, int len)
85 {
86  char *new_start;
87 
88  new_start = iwe_stream_add_event(info, start, stop, piwe, len);
89  if (unlikely(new_start == start))
90  return -E2BIG;
91 
92  return (new_start - start);
93 }
94 
95 static inline int
96 uf_iwe_stream_add_value(struct iw_request_info *info, char *stream, char *start,
97  char *stop, struct iw_event *piwe, int len)
98 {
99  char *new_start;
100 
101  new_start = iwe_stream_add_value(info, stream, start, stop, piwe, len);
102  if (unlikely(new_start == start))
103  return -E2BIG;
104 
105  return (new_start - start);
106 }
107 
108 
109 #endif /* __LINUX_UNIFI_WEXT_H__ */
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