mac80211: support active monitor interfaces

Support them only if the driver advertises support for them via
IEEE80211_HW_SUPPORTS_ACTIVE_MONITOR. Unlike normal monitor interfaces,
they are added to the driver, along with their MAC address.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 2a8d759324c2..89a83770d152 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -560,6 +560,9 @@ void ieee80211_iterate_active_interfaces(
         list_for_each_entry(sdata, &local->interfaces, list) {
                 switch (sdata->vif.type) {
                 case NL80211_IFTYPE_MONITOR:
+                        if (!(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
+                                continue;
+                        break;
                 case NL80211_IFTYPE_AP_VLAN:
                         continue;
                 default:
@@ -598,6 +601,9 @@ void ieee80211_iterate_active_interfaces_atomic(
         list_for_each_entry_rcu(sdata, &local->interfaces, list) {
                 switch (sdata->vif.type) {
                 case NL80211_IFTYPE_MONITOR:
+                        if (!(sdata->u.mntr_flags & MONITOR_FLAG_ACTIVE))
+                                continue;
+                        break;
                 case NL80211_IFTYPE_AP_VLAN:
                         continue;
                 default: