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drivers
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net
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wireless
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libertas
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scan.h

scan.h 2.1 KB
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  1. /**
    2. 

  2.   * Interface for the wlan network scan routines
    3. 

  3.   *
    4. 

  4.   * Driver interface functions and type declarations for the scan module
    5. 

  5.   * implemented in scan.c.
    6. 

  6.   */
    7. 

  7. #ifndef _LBS_SCAN_H
    8. 

  8. #define _LBS_SCAN_H
    9. 

  9. 

  10. #include <net/ieee80211.h>
    11. 

  11. #include "hostcmd.h"
    12. 

  12. 

  13. /**
    14. 

  14.  *  @brief Maximum number of channels that can be sent in a setuserscan ioctl
    15. 

  15.  */
    16. 

  16. #define LBS_IOCTL_USER_SCAN_CHAN_MAX  50
    17. 

  17. 

  18. //! Infrastructure BSS scan type in cmd_ds_802_11_scan
    19. 

  19. #define LBS_SCAN_BSS_TYPE_BSS         1
    20. 

  20. 

  21. //! Adhoc BSS scan type in cmd_ds_802_11_scan
    22. 

  22. #define LBS_SCAN_BSS_TYPE_IBSS        2
    23. 

  23. 

  24. //! Adhoc or Infrastructure BSS scan type in cmd_ds_802_11_scan, no filter
    25. 

  25. #define LBS_SCAN_BSS_TYPE_ANY         3
    26. 

  26. 

  27. /**
    28. 

  28.  *  @brief Structure used to store information for each beacon/probe response
    29. 

  29.  */
    30. 

  30. struct bss_descriptor {
    31. 

  31. 	u8 bssid[ETH_ALEN];
    32. 

  32. 

  33. 	u8 ssid[IW_ESSID_MAX_SIZE + 1];
    34. 

  34. 	u8 ssid_len;
    35. 

  35. 

  36. 	u16 capability;
    37. 

  37. 	u32 rssi;
    38. 

  38. 	u32 channel;
    39. 

  39. 	u16 beaconperiod;
    40. 

  40. 	u32 atimwindow;
    41. 

  41. 

  42. 	/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
    43. 

  43. 	u8 mode;
    44. 

  44. 

  45. 	/* zero-terminated array of supported data rates */
    46. 

  46. 	u8 rates[MAX_RATES + 1];
    47. 

  47. 

  48. 	unsigned long last_scanned;
    49. 

  49. 

  50. 	union ieeetypes_phyparamset phyparamset;
    51. 

  51. 	union IEEEtypes_ssparamset ssparamset;
    52. 

  52. 

  53. 	struct ieeetypes_countryinfofullset countryinfo;
    54. 

  54. 

  55. 	u8 wpa_ie[MAX_WPA_IE_LEN];
    56. 

  56. 	size_t wpa_ie_len;
    57. 

  57. 	u8 rsn_ie[MAX_WPA_IE_LEN];
    58. 

  58. 	size_t rsn_ie_len;
    59. 

  59. 

  60. 	u8 mesh;
    61. 

  61. 

  62. 	struct list_head list;
    63. 

  63. };
    64. 

  64. 

  65. int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
    66. 

  66. 

  67. struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
    68. 

  68. 		u8 *ssid, u8 ssid_len, u8 *bssid, u8 mode,
    69. 

  69. 		int channel);
    70. 

  70. 

  71. struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
    72. 

  72. 	u8 *bssid, u8 mode);
    73. 

  73. 

  74. int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid,
    75. 

  75. 			u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
    76. 

  76. 

  77. int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
    78. 

  78. 				u8 ssid_len);
    79. 

  79. 

  80. int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
    81. 

  81. 			 struct iw_point *dwrq, char *extra);
    82. 

  82. int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
    83. 

  83. 			 union iwreq_data *wrqu, char *extra);
    84. 

  84. 

  85. void lbs_scan_worker(struct work_struct *work);
    86. 

  86. 

  87. #endif
    88.