LXR linux/drivers/staging/csr/unifi

   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
  30typedef 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 */
  45struct iw_statistics *unifi_get_wireless_stats(struct net_device *dev);
  46
  47void uf_sme_wext_set_defaults(unifi_priv_t *priv);
  48
  49
  50/*
  51 *      wext_events.c
  52 */
  53/* Functions to generate Wireless Extension events */
  54void wext_send_scan_results_event(unifi_priv_t *priv);
  55void 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);
  59void wext_send_disassoc_event(unifi_priv_t *priv);
  60void wext_send_michaelmicfailure_event(unifi_priv_t *priv,
  61                                       u16 count, CsrWifiMacAddress address,
  62                                       CsrWifiSmeKeyType keyType, u16 interfaceTag);
  63void wext_send_pmkid_candidate_event(unifi_priv_t *priv, CsrWifiMacAddress bssid, u8 preauth_allowed, u16 interfaceTag);
  64void wext_send_started_event(unifi_priv_t *priv);
  65
  66
  67static inline int
  68uf_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
  81static inline int
  82uf_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
  94static inline int
  95uf_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