PKT_TOO_SMALL
if (PKT_TOO_SMALL(s, l2->l2_start + sizeof (*evhp)))
if (PKT_TOO_SMALL(s, l2->l2_start + sizeof (struct ether_header)))
if (PKT_TOO_SMALL(s, l2->l2_start + sizeof (*evhp)))
if (PKT_TOO_SMALL(s, l3_start + IP_SIMPLE_HDR_LENGTH))
if (PKT_TOO_SMALL(s, l4_start + sizeof (*tcph)))
if (PKT_TOO_SMALL(s, l4_start + sizeof (*udph)))
if (PKT_TOO_SMALL(s, l4_start + sizeof (*sctph)))