detect-802-11-s-mesh-header.md

Detect 802.11s mesh header

"-H" option is used to detect 802.11s mesh headers. The related code is here:

......
if (ndo->ndo_Hflag && FC_TYPE(fc) == T_DATA &&
    DATA_FRAME_IS_QOS(FC_SUBTYPE(fc))) {
	if(!ND_TTEST_1(p + hdrlen)) {
		nd_print_trunc(ndo);
		return hdrlen;
	}
	meshdrlen = extract_mesh_header_length(ndo, p + hdrlen);
	hdrlen += meshdrlen;
} else
	meshdrlen = 0;
......