191 lo_demux(struct ifnet *ifp, struct mbuf *m, char *frame_header,  in lo_demux()  argument
194 #pragma unused(ifp, m)  in lo_demux()
204 lo_framer(struct ifnet *ifp, struct mbuf **m, const struct sockaddr *dest,  in lo_framer()  argument
211 	M_PREPEND(*m, sizeof(struct loopback_header), M_WAITOK, 1);  in lo_framer()
212 	if (*m == NULL) {  in lo_framer()
224 	header = mtod(*m, struct loopback_header *);  in lo_framer()
245 lo_tx_compl(struct ifnet *ifp, struct mbuf *m)  in lo_tx_compl()  argument
252 		error = mbuf_get_timestamp_requested(m, &requested);  in lo_tx_compl()
260 			error = mbuf_set_timestamp(m, ts, TRUE);  in lo_tx_compl()
267 	error = mbuf_set_status(m, KERN_SUCCESS);  in lo_tx_compl()
273 	ifnet_tx_compl(ifp, m);  in lo_tx_compl()
284 	struct mbuf *m, *m_tail = NULL;  in lo_output()  local
290 	for (m = m_list; m; m = m->m_nextpkt) {  in lo_output()
291 		VERIFY(m->m_flags & M_PKTHDR);  in lo_output()
299 		if (m->m_pkthdr.rcvif == NULL) {  in lo_output()
300 			m->m_pkthdr.rcvif = ifp;  in lo_output()
303 		m->m_pkthdr.pkt_flags |= PKTF_LOOP;  in lo_output()
304 		m->m_pkthdr.pkt_hdr = mtod(m, char *);  in lo_output()
307 		m->m_pkthdr.csum_data = 0xffff;  in lo_output()
308 		m->m_pkthdr.csum_flags =  in lo_output()
312 		m_adj(m, sizeof(struct loopback_header));  in lo_output()
313 		len += m->m_pkthdr.len;  in lo_output()
315 		LO_BPF_TAP_OUT(m);  in lo_output()
316 		if (m->m_nextpkt == NULL) {  in lo_output()
317 			m_tail = m;  in lo_output()
319 		lo_tx_compl(ifp, m);  in lo_output()
338 	struct mbuf *m = m0, *n;  in lo_pre_enqueue()  local
341 	while (m != NULL) {  in lo_pre_enqueue()
342 		VERIFY(m->m_flags & M_PKTHDR);  in lo_pre_enqueue()
344 		n = m->m_nextpkt;  in lo_pre_enqueue()
345 		m->m_nextpkt = NULL;  in lo_pre_enqueue()
352 		if (m->m_pkthdr.rcvif == NULL) {  in lo_pre_enqueue()
353 			m->m_pkthdr.rcvif = ifp;  in lo_pre_enqueue()
356 		m->m_pkthdr.pkt_flags |= PKTF_LOOP;  in lo_pre_enqueue()
357 		m->m_pkthdr.pkt_hdr = mtod(m, char *);  in lo_pre_enqueue()
360 		m->m_pkthdr.csum_data = 0xffff;  in lo_pre_enqueue()
361 		m->m_pkthdr.csum_flags =  in lo_pre_enqueue()
365 		m_adj(m, sizeof(struct loopback_header));  in lo_pre_enqueue()
371 		(void) ifnet_enqueue(ifp, m);  in lo_pre_enqueue()
373 		m = n;  in lo_pre_enqueue()
397 		mbuf_ref_t m = NULL, m_tail = NULL;  in lo_start()  local
401 			if (ifnet_dequeue_multi(ifp, lo_dequeue_max, &m,  in lo_start()
407 			    lo_dequeue_sc, lo_dequeue_max, &m,  in lo_start()
413 		LO_BPF_TAP_OUT_MULTI(m);  in lo_start()
414 		lo_tx_compl(ifp, m);  in lo_start()
422 		(void) ifnet_input_extended(ifp, m, m_tail, &s);  in lo_start()
432     struct mbuf **m, const struct sockaddr *dst, void *route, char *frame_type,  in lo_pre_output()  argument
438 	VERIFY((*m)->m_flags & M_PKTHDR);  in lo_pre_output()
440 	(*m)->m_flags |= M_LOOP;  in lo_pre_output()
446 				m_freem(*m);  in lo_pre_output()
465 lo_input(struct ifnet *ifp, protocol_family_t protocol_family, struct mbuf *m)  in lo_input()  argument
477 		error = mbuf_set_timestamp(m, ts, TRUE);  in lo_input()
484 	if (proto_input(protocol_family, m) != 0) {  in lo_input()
485 		m_freem(m);  in lo_input()