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authorBen Greear <greearb@candelatech.com>2015-11-05 00:49:39 (GMT)
committerJouni Malinen <j@w1.fi>2015-11-15 17:25:05 (GMT)
commit5b75ecead37f4e133fd7e36557885b9a7412b72f (patch)
tree684074f67e897dc8adad20d95eb5b9af38ac8d32 /wpa_supplicant/wpa_supplicant.conf
parent68ac584a4917f88da117bfb60ccacdd3617b0079 (diff)
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Document passive_scan option for wpa_supplicant.conf
This should save the next person to need this behavior some time. Signed-off-by: Ben Greear <greearb@candelatech.com>
Diffstat (limited to 'wpa_supplicant/wpa_supplicant.conf')
-rw-r--r--wpa_supplicant/wpa_supplicant.conf19
1 files changed, 19 insertions, 0 deletions
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 6fe67e4..bcb6247 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -118,6 +118,25 @@ eapol_version=1
# networks are found, a new IBSS or AP mode network is created.
ap_scan=1
+# Whether to force passive scan for network connection
+#
+# By default, scans will send out Probe Request frames on channels that allow
+# active scanning. This advertise the local station to the world. Normally this
+# is fine, but users may wish to do passive scanning where the radio should only
+# listen quietly for Beacon frames and not send any Probe Request frames. Actual
+# functionality may be driver dependent.
+#
+# This parameter can be used to force only passive scanning to be used
+# for network connection cases. It should be noted that this will slow
+# down scan operations and reduce likelihood of finding the AP. In
+# addition, some use cases will override this due to functional
+# requirements, e.g., for finding an AP that uses hidden SSID
+# (scan_ssid=1) or P2P device discovery.
+#
+# 0: Do normal scans (allow active scans) (default)
+# 1: Do passive scans.
+#passive_scan=0
+
# MPM residency
# By default, wpa_supplicant implements the mesh peering manager (MPM) for an
# open mesh. However, if the driver can implement the MPM, you may set this to