[net80211] add comments!

svn path=/head/; revision=308008
2016-10-28 02:10:07 +00:00 · 2016-10-28 02:10:07 +00:00 · f6c2cdb12f · 2020-12-20 02:59:44 +00:00
commit f6c2cdb12f
parent 020fe0de15
1 changed files with 3 additions and 0 deletions
--- a/sys/net80211/ieee80211_scan.c
+++ b/sys/net80211/ieee80211_scan.c
@ -443,6 +443,9 @@ ieee80211_cancel_scan(struct ieee80211vap *vap)

 /*
 * Cancel any scan currently going on.
+ *
+ * This is called during normal 802.11 data path to cancel
+ * a scan so a newly arrived normal data packet can be sent.
 */
 void
 ieee80211_cancel_anyscan(struct ieee80211vap *vap)