LLC_UI
bpdu.tbu_ctl = LLC_UI;
bpdu->cbu_ctl = LLC_UI;
tpdu.tbu_ctl != LLC_UI)
llc2->llc_control == LLC_UI) {
llc->llc_control == LLC_UI && llc->llc_snap.org_code[0] == 0 &&
LLC_SNAP_LSAP, LLC_SNAP_LSAP, LLC_UI, 0, 0, 0
llc->llc_control == LLC_UI && llc->llc_snap.org_code[0] == 0 &&
llc->llc_control != LLC_UI ||
llc->llc_control = LLC_UI;
llc->llc_control = LLC_UI;
llc->llc_control = LLC_UI;