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authorJouni Malinen <jouni@qca.qualcomm.com>2016-02-26 22:12:47 +0200
committerJohannes Berg <johannes.berg@intel.com>2016-04-05 10:56:28 +0200
commit818965d3917774955fad52f87b59d690d8be9e8b (patch)
tree37b1490ce03f051ec8c87c476e13df67e4872627 /include/net/cfg80211.h
parent5c05803a3e2054257d7e8e737a6efaf2c7f6b725 (diff)
downloadlinux-818965d3917774955fad52f87b59d690d8be9e8b.tar.bz2
cfg80211: Allow a scan request for a specific BSSID
This allows scans for a specific BSSID to be optimized by the user space application by requesting the driver to set the Probe Request frame BSSID field (Address 3) to the specified BSSID instead of the wildcard BSSID. This prevents other APs from replying which reduces airtime need and latency in getting the response from the target AP through. This is an optimization and as such, it is acceptable for some of the drivers not to support the mechanism. If not supported, the wildcard BSSID will be used and more responses may be received. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/net/cfg80211.h')
-rw-r--r--include/net/cfg80211.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 9e1b24c29f0c..14c0c437d973 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1455,6 +1455,7 @@ struct cfg80211_ssid {
* @mac_addr_mask: MAC address mask used with randomisation, bits that
* are 0 in the mask should be randomised, bits that are 1 should
* be taken from the @mac_addr
+ * @bssid: BSSID to scan for (most commonly, the wildcard BSSID)
*/
struct cfg80211_scan_request {
struct cfg80211_ssid *ssids;
@@ -1471,6 +1472,7 @@ struct cfg80211_scan_request {
u8 mac_addr[ETH_ALEN] __aligned(2);
u8 mac_addr_mask[ETH_ALEN] __aligned(2);
+ u8 bssid[ETH_ALEN] __aligned(2);
/* internal */
struct wiphy *wiphy;