if_ibytes
agentx_varbind_counter32(vb, (uint32_t)kif->if_ibytes);
agentx_varbind_counter64(vb, (uint64_t)kif->if_ibytes);
brifp->if_ibytes += m->m_pkthdr.len;
sc->sc_if.if_ibytes += m->m_pkthdr.len;
ifp->if_ibytes += ilen;
ifp->if_ibytes += m->m_pkthdr.len + sp->pp_framebytes;
ifp->if_ibytes += m->m_pkthdr.len;
encif->if_ibytes += m->m_pkthdr.len;