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Fetch IEs from both Beacon and Probe Response frames if available

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This allows the driver wrappers to return two sets of IEs, so that
the BSS code can use information from both Beacon and Probe Response
frames if needed. For example, some Cisco APs seem to include more
information in Wireless Provisioning Services IE when it is in the
Beacon frame.
This commit is contained in:
Jouni Malinen 2010-01-16 16:11:05 +02:00
parent 94627f6cc8
commit 8c0906542c
4 changed files with 45 additions and 13 deletions
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10
src/drivers/driver.h
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@ -132,6 +132,7 @@ struct hostapd_hw_modes {
* @age: Age of the information in milliseconds (i.e., how many milliseconds
* ago the last Beacon or Probe Response frame was received)
* @ie_len: length of the following IE field in octets
* @beacon_ie_len: length of the following Beacon IE field in octets
*
* This structure is used as a generic format for scan results from the
* driver. Each driver interface implementation is responsible for converting
@ -154,7 +155,14 @@ struct wpa_scan_res {
u64 tsf;
unsigned int age;
size_t ie_len;
/* followed by ie_len octets of IEs */
size_t beacon_ie_len;
/*
* Followed by ie_len octets of IEs from Probe Response frame (or if
* the driver does not indicate source of IEs, these may also be from
* Beacon frame). After the first set of IEs, another set of IEs may
* follow (with beacon_ie_len octets of data) if the driver provides
* both IE sets.
*/
};
/**