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