2 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. The name of the author may not be used to endorse or promote products
11 * derived from this software withough specific prior written permission
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 * $FreeBSD: src/sys/dev/pdq/pdq_ifsubr.c,v 1.11.2.1 2000/08/02 22:39:30 peter Exp $
29 * DEC PDQ FDDI Controller; code for BSD derived operating systems
31 * This module provide bus independent BSD specific O/S functions.
32 * (ie. it provides an ifnet interface to the rest of the system)
38 #include <sys/param.h>
39 #include <sys/socket.h>
40 #include <sys/sockio.h>
41 #if defined(__bsdi__) || defined(__NetBSD__)
42 #include <sys/device.h>
46 #include <net/if_dl.h>
50 #if defined(__FreeBSD__)
52 #include <netinet/in.h>
53 #include <netinet/if_ether.h>
55 #include <netinet/if_fddi.h>
57 #include <net/if_fddi.h>
61 #include <i386/isa/isavar.h>
66 #include <netns/ns_if.h>
69 #if defined(__FreeBSD__)
70 #include <dev/pdq/pdqvar.h>
71 #include <dev/pdq/pdqreg.h>
77 #if defined(__bsdi__) && _BSDI_VERSION < 199506 /* XXX */
83 sc->sc_ac.ac_ipaddr = IA_SIN(ifa)->sin_addr;
84 arpwhohas(&sc->sc_ac, &IA_SIN(ifa)->sin_addr);
85 #if _BSDI_VERSION >= 199401
86 ifa->ifa_rtrequest = arp_rtrequest;
87 ifa->ifa_flags |= RTF_CLONING;
97 if (sc->sc_if.if_flags & IFF_UP) {
98 sc->sc_if.if_flags |= IFF_RUNNING;
99 if (sc->sc_if.if_flags & IFF_PROMISC) {
100 sc->sc_pdq->pdq_flags |= PDQ_PROMISC;
102 sc->sc_pdq->pdq_flags &= ~PDQ_PROMISC;
104 if (sc->sc_if.if_flags & IFF_ALLMULTI) {
105 sc->sc_pdq->pdq_flags |= PDQ_ALLMULTI;
107 sc->sc_pdq->pdq_flags &= ~PDQ_ALLMULTI;
109 if (sc->sc_if.if_flags & IFF_LINK1) {
110 sc->sc_pdq->pdq_flags |= PDQ_PASS_SMT;
112 sc->sc_pdq->pdq_flags &= ~PDQ_PASS_SMT;
114 sc->sc_pdq->pdq_flags |= PDQ_RUNNING;
117 sc->sc_if.if_flags &= ~IFF_RUNNING;
118 sc->sc_pdq->pdq_flags &= ~PDQ_RUNNING;
119 pdq_stop(sc->sc_pdq);
128 * No progress was made on the transmit queue for PDQ_OS_TX_TRANSMIT
129 * seconds. Remove all queued packets.
132 ifp->if_flags &= ~IFF_OACTIVE;
136 IF_DEQUEUE(&ifp->if_snd, m);
147 pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if));
148 struct ifqueue *ifq = &ifp->if_snd;
152 if ((ifp->if_flags & IFF_RUNNING) == 0)
155 if (sc->sc_if.if_timer == 0)
156 sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
158 if ((sc->sc_pdq->pdq_flags & PDQ_TXOK) == 0) {
159 sc->sc_if.if_flags |= IFF_OACTIVE;
167 if (pdq_queue_transmit_data(sc->sc_pdq, m) == PDQ_FALSE) {
168 ifp->if_flags |= IFF_OACTIVE;
174 PDQ_DO_TYPE2_PRODUCER(sc->sc_pdq);
183 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
184 struct fddi_header *fh = mtod(m, struct fddi_header *);
186 sc->sc_if.if_ipackets++;
187 if (sc->sc_bpf != NULL)
189 if ((fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC) {
194 m->m_data += sizeof(struct fddi_header);
195 m->m_len -= sizeof(struct fddi_header);
196 m->m_pkthdr.len = pktlen - sizeof(struct fddi_header);
197 m->m_pkthdr.rcvif = &sc->sc_if;
198 fddi_input(&sc->sc_if, fh, m);
202 pdq_os_restart_transmitter(
205 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
206 sc->sc_if.if_flags &= ~IFF_OACTIVE;
207 if (sc->sc_if.if_snd.ifq_head != NULL) {
208 sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
209 pdq_ifstart(&sc->sc_if);
211 sc->sc_if.if_timer = 0;
216 pdq_os_transmit_done(
220 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
221 if (sc->sc_bpf != NULL)
224 sc->sc_if.if_opackets++;
233 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
234 struct ifmultiaddr *ifma;
236 for (ifma = sc->sc_if.if_multiaddrs.lh_first; ifma && num_addrs > 0;
237 ifma = ifma->ifma_link.le_next) {
239 if (ifma->ifma_addr->sa_family != AF_LINK)
241 mcaddr = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
242 ((u_short *) addr->lanaddr_bytes)[0] = ((u_short *) mcaddr)[0];
243 ((u_short *) addr->lanaddr_bytes)[1] = ((u_short *) mcaddr)[1];
244 ((u_short *) addr->lanaddr_bytes)[2] = ((u_short *) mcaddr)[2];
256 pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if));
263 struct ifaddr *ifa = (struct ifaddr *)data;
265 ifp->if_flags |= IFF_UP;
266 switch(ifa->ifa_addr->sa_family) {
270 arp_ifinit(&sc->sc_ac, ifa);
276 /* This magic copied from if_is.c; I don't use XNS,
277 * so I have no way of telling if this actually
281 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
282 if (ns_nullhost(*ina)) {
283 ina->x_host = *(union ns_host *)(sc->sc_ac.ac_enaddr);
285 ifp->if_flags &= ~IFF_RUNNING;
286 bcopy((caddr_t)ina->x_host.c_host,
287 (caddr_t)sc->sc_ac.ac_enaddr,
288 sizeof sc->sc_ac.ac_enaddr);
304 struct ifreq *ifr = (struct ifreq *)data;
305 bcopy((caddr_t) sc->sc_ac.ac_enaddr,
306 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
319 * Update multicast listeners
321 if (sc->sc_if.if_flags & IFF_RUNNING)
326 #if defined(SIOCSIFMTU)
327 #if !defined(ifr_mtu)
328 #define ifr_mtu ifr_metric
331 struct ifreq *ifr = (struct ifreq *)data;
333 * Set the interface MTU.
335 if (ifr->ifr_mtu > FDDIMTU) {
339 ifp->if_mtu = ifr->ifr_mtu;
342 #endif /* SIOCSIFMTU */
354 #ifndef IFF_NOTRAILERS
355 #define IFF_NOTRAILERS 0
361 ifnet_ret_t (*ifwatchdog)(int unit))
363 struct ifnet *ifp = &sc->sc_if;
365 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
367 #if (defined(__FreeBSD__) && BSD >= 199506) || defined(__NetBSD__)
368 ifp->if_watchdog = pdq_ifwatchdog;
370 ifp->if_watchdog = ifwatchdog;
373 ifp->if_ioctl = pdq_ifioctl;
374 ifp->if_output = fddi_output;
375 ifp->if_start = pdq_ifstart;
376 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;
377 #warning "Implement fddi_resolvemulti!"
378 /* ifp->if_resolvemulti = ether_resolvemulti; XXX */
382 PDQ_BPFATTACH(sc, DLT_FDDI, sizeof(struct fddi_header));