ff829ae016
Don't store an (hardware base) u8 value in bss_descriptor, but just an unsigned int (RSSI is really unsigned). Compilers generate more efficent code for ints than for bytes. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Acked-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/**
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* Interface for the wlan network scan routines
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*
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* Driver interface functions and type declarations for the scan module
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* implemented in scan.c.
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*/
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#ifndef _LBS_SCAN_H
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#define _LBS_SCAN_H
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#include <net/ieee80211.h>
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#include "hostcmd.h"
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/**
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* @brief Maximum number of channels that can be sent in a setuserscan ioctl
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*/
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#define LBS_IOCTL_USER_SCAN_CHAN_MAX 50
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//! Infrastructure BSS scan type in cmd_ds_802_11_scan
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#define LBS_SCAN_BSS_TYPE_BSS 1
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//! Adhoc BSS scan type in cmd_ds_802_11_scan
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#define LBS_SCAN_BSS_TYPE_IBSS 2
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//! Adhoc or Infrastructure BSS scan type in cmd_ds_802_11_scan, no filter
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#define LBS_SCAN_BSS_TYPE_ANY 3
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/**
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* @brief Structure used to store information for each beacon/probe response
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*/
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struct bss_descriptor {
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u8 bssid[ETH_ALEN];
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u8 ssid[IW_ESSID_MAX_SIZE + 1];
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u8 ssid_len;
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u16 capability;
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u32 rssi;
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u32 channel;
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u16 beaconperiod;
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u32 atimwindow;
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/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
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u8 mode;
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/* zero-terminated array of supported data rates */
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u8 rates[MAX_RATES + 1];
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unsigned long last_scanned;
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union ieeetypes_phyparamset phyparamset;
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union IEEEtypes_ssparamset ssparamset;
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struct ieeetypes_countryinfofullset countryinfo;
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u8 wpa_ie[MAX_WPA_IE_LEN];
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size_t wpa_ie_len;
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u8 rsn_ie[MAX_WPA_IE_LEN];
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size_t rsn_ie_len;
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u8 mesh;
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struct list_head list;
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};
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int lbs_ssid_cmp(u8 *ssid1, u8 ssid1_len, u8 *ssid2, u8 ssid2_len);
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struct bss_descriptor *lbs_find_ssid_in_list(struct lbs_private *priv,
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u8 *ssid, u8 ssid_len, u8 *bssid, u8 mode,
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int channel);
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struct bss_descriptor *lbs_find_bssid_in_list(struct lbs_private *priv,
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u8 *bssid, u8 mode);
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int lbs_find_best_network_ssid(struct lbs_private *priv, u8 *out_ssid,
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u8 *out_ssid_len, u8 preferred_mode, u8 *out_mode);
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int lbs_send_specific_ssid_scan(struct lbs_private *priv, u8 *ssid,
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u8 ssid_len);
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int lbs_get_scan(struct net_device *dev, struct iw_request_info *info,
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struct iw_point *dwrq, char *extra);
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int lbs_set_scan(struct net_device *dev, struct iw_request_info *info,
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union iwreq_data *wrqu, char *extra);
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void lbs_scan_worker(struct work_struct *work);
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#endif
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