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authorHolger Schurig <hs4233@mail.mn-solutions.de>2009-09-24 12:21:01 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-10-07 16:39:42 -0400
commit7c89606e24cdabaceb8ca9b3c7ab866c6bcc9e38 (patch)
treeb2f76700d27154479e5ee72211d1ab6a6275d00b /include
parent7976b4263cb05dc638297d35f2a42375090ebaff (diff)
nl80211: report age of scan results
Linux keeps scan results up to 15 seconds. This can be a problem for fast moving clients: they get back stale data. But if the kernel reports the age of the BSS items, then user-space can simply weed out old entries by itself. Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de> Acked-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/nl80211.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index a8d71ed43a0..50afca3dcff 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1277,6 +1277,7 @@ enum nl80211_channel_type {
* @NL80211_BSS_SIGNAL_UNSPEC: signal strength of the probe response/beacon
* in unspecified units, scaled to 0..100 (u8)
* @NL80211_BSS_STATUS: status, if this BSS is "used"
+ * @NL80211_BSS_SEEN_MS_AGO: age of this BSS entry in ms
* @__NL80211_BSS_AFTER_LAST: internal
* @NL80211_BSS_MAX: highest BSS attribute
*/
@@ -1291,6 +1292,7 @@ enum nl80211_bss {
NL80211_BSS_SIGNAL_MBM,
NL80211_BSS_SIGNAL_UNSPEC,
NL80211_BSS_STATUS,
+ NL80211_BSS_SEEN_MS_AGO,
/* keep last */
__NL80211_BSS_AFTER_LAST,