mac80211: support AP 4-addr mode fast-rx

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

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3dc162d..89dcf9f 100644 (file)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -3783,6 +3783,15 @@ void ieee80211_check_fast_rx(struct sta_info *sta)
                        !(sdata->flags & IEEE80211_SDATA_DONT_BRIDGE_PACKETS) &&
                        (sdata->vif.type != NL80211_IFTYPE_AP_VLAN ||
                         !sdata->u.vlan.sta);
+
+               if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
+                   sdata->u.vlan.sta) {
+                       fastrx.expected_ds_bits |=
+                               cpu_to_le16(IEEE80211_FCTL_FROMDS);
+                       fastrx.sa_offs = offsetof(struct ieee80211_hdr, addr4);
+                       fastrx.internal_forward = 0;
+               }
+
                break;
        default:
                goto clear;