doc: update ebpf doc following bypass_filter change

diff --git a/doc/userguide/capture-hardware/ebpf-xdp.rst b/doc/userguide/capture-hardware/ebpf-xdp.rst
index a8895a73cf0b2dfa0036c0a5ff0546cd094b1956..c7e055b3c69cb7e1539da645c82c6b805c680847 100644 (file)
--- a/doc/userguide/capture-hardware/ebpf-xdp.rst
+++ b/doc/userguide/capture-hardware/ebpf-xdp.rst
@@ -195,6 +195,9 @@ filter must expose `flow_table_v4` and `flow_table_v6` per CPU array maps with s
 as the one available in `bypass_filter.c`. These two maps will be accessed and
 maintained by Suricata to handle the lists of flow to bypass.
 
+If you are not using vlan tracking (``vlan.use-for-tracking`` set to false in suricata.yaml) then you have also to set
+the VLAN_TRACKING define to 0 in ``bypass_filter.c``.
+
 Setup eBPF load balancing
 -------------------------