root/drivers/net/wireless/intersil/orinoco/main.h

INCLUDED FROM

DEFINITIONS

1. orinoco_get_wpa_ie

   1 /* Exports from main to helper modules
   2  *
   3  * See copyright notice in main.c
   4  */
   5 #ifndef _ORINOCO_MAIN_H_
   6 #define _ORINOCO_MAIN_H_
   7 
   8 #include <linux/ieee80211.h>
   9 #include "orinoco.h"
  10 
  11 /********************************************************************/
  12 /* Compile time configuration and compatibility stuff               */
  13 /********************************************************************/
  14 
  15 /* We do this this way to avoid ifdefs in the actual code */
  16 #ifdef WIRELESS_SPY
  17 #define SPY_NUMBER(priv)        (priv->spy_data.spy_number)
  18 #else
  19 #define SPY_NUMBER(priv)        0
  20 #endif /* WIRELESS_SPY */
  21 
  22 /********************************************************************/
  23 
  24 /* Export module parameter */
  25 extern int force_monitor;
  26 
  27 /* Forward declarations */
  28 struct net_device;
  29 struct work_struct;
  30 
  31 void set_port_type(struct orinoco_private *priv);
  32 int orinoco_commit(struct orinoco_private *priv);
  33 void orinoco_reset(struct work_struct *work);
  34 
  35 /* Information element helpers - find a home for these... */
  36 #define WPA_OUI_TYPE    "\x00\x50\xF2\x01"
  37 #define WPA_SELECTOR_LEN 4
  38 static inline u8 *orinoco_get_wpa_ie(u8 *data, size_t len)
  39 {
  40         u8 *p = data;
  41         while ((p + 2 + WPA_SELECTOR_LEN) < (data + len)) {
  42                 if ((p[0] == WLAN_EID_VENDOR_SPECIFIC) &&
  43                     (memcmp(&p[2], WPA_OUI_TYPE, WPA_SELECTOR_LEN) == 0))
  44                         return p;
  45                 p += p[1] + 2;
  46         }
  47         return NULL;
  48 }
  49 
  50 #endif /* _ORINOCO_MAIN_H_ */