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[PATCH] libertas: make scan result handling more flexible

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- use a linked list for scan results
- age scan results
- pass bss_descriptors around instead of indexes into the scan table
- lock access to the scan results
- stop returning EAGAIN from SIOCGIWSCAN handler

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams
2007-05-25 16:15:56 -04:00
committed by John W. Linville
parent 90e8eafc93
commit fcdb53dbc7
8 changed files with 650 additions and 767 deletions
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21
drivers/net/wireless/libertas/scan.h
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@@ -156,9 +156,9 @@ struct bss_descriptor {
u8 mode;
u8 libertas_supported_rates[WLAN_SUPPORTED_RATES];
int extra_ie;
u8 timestamp[8]; //!< TSF value included in the beacon/probe response
unsigned long last_scanned;
union ieeetypes_phyparamset phyparamset;
union IEEEtypes_ssparamset ssparamset;
struct ieeetypes_capinfo cap;
@@ -172,14 +172,21 @@ struct bss_descriptor {
size_t wpa_ie_len;
u8 rsn_ie[MAX_WPA_IE_LEN];
size_t rsn_ie_len;
struct list_head list;
};
extern int libertas_SSID_cmp(struct WLAN_802_11_SSID *ssid1,
struct WLAN_802_11_SSID *ssid2);
extern int libertas_find_SSID_in_list(wlan_adapter * adapter, struct WLAN_802_11_SSID *ssid,
u8 * bssid, u8 mode);
int libertas_find_best_SSID_in_list(wlan_adapter * adapter, u8 mode);
extern int libertas_find_BSSID_in_list(wlan_adapter * adapter, u8 * bssid, u8 mode);
struct WLAN_802_11_SSID *ssid2);
struct bss_descriptor * libertas_find_SSID_in_list(wlan_adapter * adapter,
struct WLAN_802_11_SSID *ssid, u8 * bssid, u8 mode);
struct bss_descriptor * libertas_find_best_SSID_in_list(wlan_adapter * adapter,
u8 mode);
extern struct bss_descriptor * libertas_find_BSSID_in_list(wlan_adapter * adapter,
u8 * bssid, u8 mode);
int libertas_find_best_network_SSID(wlan_private * priv,
struct WLAN_802_11_SSID *pSSID,