sys/net/if_ecosubr.c

105 static int eco_interestingp(struct ifnet *ifp, struct mbuf *m);
106 static struct mbuf *eco_immediate(struct ifnet *ifp, struct mbuf *m);
107 static struct mbuf *eco_ack(struct ifnet *ifp, struct mbuf *m);
114 eco_ifattach(struct ifnet *ifp, const uint8_t *lla)
116 	struct ecocom *ec = (void *)ifp;
118 	ifp->if_type = IFT_ECONET;
119 	ifp->if_addrlen = ECO_ADDR_LEN;
120 	ifp->if_hdrlen = ECO_HDR_LEN;
121 	ifp->if_dlt = DLT_ECONET;
122 	ifp->if_mtu = ECO_MTU;
124 	ifp->if_output	 = eco_output;
125 	ifp->if_input	 = eco_input;
126 	ifp->if_start	 = eco_start;
127 	ifp->if_ioctl	 = eco_ioctl;
129 /*	ifp->if_baudrate...; */
130 	if_set_sadl(ifp, lla, ECO_ADDR_LEN, FALSE);
132 	ifp->if_broadcastaddr = eco_broadcastaddr;
136 	bpf_attach(ifp, ifp->if_dlt, ECO_HDR_LEN);
145 eco_init(struct ifnet *ifp)
147 	struct ecocom *ec = (struct ecocom *)ifp;
149 	if ((ifp->if_flags & IFF_RUNNING) == 0)
155 eco_stop(struct ifnet *ifp, int disable)
157 	struct ecocom *ec = (struct ecocom *)ifp;
164 eco_output(struct ifnet *ifp, struct mbuf *m0, const struct sockaddr *dst,
183 	if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
189 				if (rt->rt_ifp != ifp)
191 							(ifp, m0, dst, rt);
205 				    (rt->rt_ifp != ifp)) {
221 	IFQ_CLASSIFY(&ifp->if_snd, m, dst->sa_family, &pktattr);
233 		else if (!arpresolve(ifp, rt, m, dst, ehdr.eco_dhost))
236 		if ((m->m_flags & M_BCAST) && (ifp->if_flags & IFF_SIMPLEX))
291 		log(LOG_ERR, "%s: can't handle af%d\n", ifp->if_xname,
297 		(void) looutput(ifp, mcopy, dst, rt);
309 		memcpy(eh->eco_shost, CLLADDR(ifp->if_sadl),
324 	if ((error = pfil_run_hooks(&ifp->if_pfil, &m, ifp, PFIL_OUT)) != 0)
330 	return ifq_enqueue(ifp, m ALTQ_COMMA ALTQ_DECL(&pktattr));
342 eco_interestingp(struct ifnet *ifp, struct mbuf *m)
357 eco_input(struct ifnet *ifp, struct mbuf *m)
370 	if (pfil_run_hooks(&ifp->if_pfil, &m, ifp, PFIL_IN) != 0)
413 			    2*ifp->if_data.ifi_addrlen;
419 			ah->ar_hln = ifp->if_data.ifi_addrlen;
447 			ifp->if_output(ifp, m, dst, NULL);
452 			    ifp->if_xname, eco_sprintf(eh->eco_shost),
470 		    ifp->if_xname, eco_sprintf(eh->eco_shost),
487 eco_start(struct ifnet *ifp)
489 	struct ecocom *ec = (void *)ifp;
494 	IFQ_DEQUEUE(&ifp->if_snd, m);
496 	if (ec->ec_claimwire(ifp) == 0) {
499 			ec->ec_txframe(ifp, m);
502 			ec->ec_txframe(ifp, m);
512 			ec->ec_txframe(ifp, m);
515 		ifp->if_flags |= IFF_OACTIVE;
517 		log(LOG_ERR, "%s: line jammed\n", ifp->if_xname);
523 eco_ioctl(struct ifnet *ifp, u_long cmd, void *data)
530 		ifp->if_flags |= IFF_UP;
531 		if ((ifp->if_flags & IFF_RUNNING) == 0 &&
532 		    (error = (*ifp->if_init)(ifp)) != 0)
537 			arp_ifinit(ifp, ifa);
545 		if ((error = ifioctl_common(ifp, cmd, data)) != ENETRESET)
547 		else if (ifp->if_flags & IFF_UP)
548 			return (*ifp->if_init)(ifp);
553 		if ((error = ifioctl_common(ifp, cmd, data)) != 0)
555 		switch (ifp->if_flags & (IFF_UP|IFF_RUNNING)) {
561 			(*ifp->if_stop)(ifp, 1);
568 			return (*ifp->if_init)(ifp);
574 			return (*ifp->if_init)(ifp);
580 		return ifioctl_common(ifp, cmd, data);
594 eco_inputframe(struct ifnet *ifp, struct mbuf *m)
596 	struct ecocom *ec = (void *)ifp;
607 			    ifp->if_xname);
613 			eco_input(ifp, m);
614 		} else if (memcmp(eh->eco_dhost, CLLADDR(ifp->if_sadl),
618 				return eco_immediate(ifp, m);
620 				if (eco_interestingp(ifp, m)) {
621 					reply = eco_ack(ifp, m);
646 			    ifp->if_xname);
649 		reply = eco_ack(ifp, m);
661 		eco_input(ifp, m0);
671 			    ifp->if_xname);
702 			    ifp->if_xname);
724 eco_immediate(struct ifnet *ifp, struct mbuf *m)
740 		memcpy(reh->eco_shost, CLLADDR(ifp->if_sadl),
758 eco_ack(struct ifnet *ifp, struct mbuf *m)
770 	memcpy(reh->eco_shost, CLLADDR(ifp->if_sadl), ECO_ADDR_LEN);
775 eco_inputidle(struct ifnet *ifp)
777 	struct ecocom *ec = (void *)ifp;
795 				eco_defer(ifp, m, erp->erp_delay);
797 				printf("%s: pkt failed\n", ifp->if_xname);
808 	ifp->if_start(ifp);
830 eco_defer(struct ifnet *ifp, struct mbuf *m, int retry_delay)
832 	struct ecocom *ec = (struct ecocom *)ifp;
843 	er->er_ifp = ifp;
869 	struct ifnet *ifp;
871 	ifp = er->er_ifp;
874 	(void)ifq_enqueue(ifp, m ALTQ_COMMA ALTQ_DECL(NULL));