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>

1 files changed, 9 insertions, 0 deletions

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 3dc162ddc3a6..89dcf9f762ce 100644
--- 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;