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-rw-r--r--include/net/mac80211.h13
1 files changed, 8 insertions, 5 deletions
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 3b83a80..2c6f976 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -1330,11 +1330,14 @@ enum ieee80211_ampdu_mlme_action {
* the scan state machine in stack. The scan must honour the channel
* configuration done by the regulatory agent in the wiphy's
* registered bands. The hardware (or the driver) needs to make sure
- * that power save is disabled. When the scan finishes,
- * ieee80211_scan_completed() must be called; note that it also must
- * be called when the scan cannot finish because the hardware is
- * turned off! Anything else is a bug! Returns a negative error code
- * which will be seen in userspace.
+ * that power save is disabled.
+ * The @req ie/ie_len members are rewritten by mac80211 to contain the
+ * entire IEs after the SSID, so that drivers need not look at these
+ * at all but just send them after the SSID -- mac80211 includes the
+ * (extended) supported rates and HT information (where applicable).
+ * When the scan finishes, ieee80211_scan_completed() must be called;
+ * note that it also must be called when the scan cannot finish due to
+ * any error unless this callback returned a negative error code.
*
* @sw_scan_start: Notifier function that is called just before a software scan
* is started. Can be NULL, if the driver doesn't need this notification.
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