Patch for collecting SSID from other APs and timing out other AP information

From: Bruce Oscarson (
Date: 2002-06-11 00:37:29 UTC


Hostap using the prism2 drivers supports an extension to record information about other APs on the same frequency. The feature can be enabled via: iwpriv wlan0 prism2_param 8 2

Information about the other APs is recorded /proc/net/prism2/... files, named with the mac address of the other AP. The SSID of the other APs was captured by the driver, but was never recorded. In addition, once an AP's beacon was sensed, the proc file would linger as long as the hostap was running. I've attached to small patch files for prism2_ap.c and prism2_ap.h that record the AP ssid in the /proc file and will age ap entries using the same rules as client stations.    

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