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 $
25 * $DragonFly: src/sys/dev/netif/pdq_layer/Attic/pdq_ifsubr.c,v 1.11 2005/02/20 04:41:46 joerg Exp $
30 * DEC PDQ FDDI Controller; code for BSD derived operating systems
32 * This module provide bus independent BSD specific O/S functions.
33 * (ie. it provides an ifnet interface to the rest of the system)
39 #include <sys/param.h>
40 #include <sys/socket.h>
41 #include <sys/sockio.h>
42 #if defined(__bsdi__) || defined(__NetBSD__)
43 #include <sys/device.h>
47 #include <net/ifq_var.h>
48 #include <net/if_dl.h>
52 #if defined(__DragonFly__) || defined(__FreeBSD__)
54 #include <netinet/in.h>
55 #include <netinet/if_ether.h>
57 #include <netinet/if_fddi.h>
59 #include <net/if_fddi.h>
63 #include <i386/isa/isavar.h>
68 #include <netns/ns_if.h>
71 #if defined(__DragonFly__) || defined(__FreeBSD__)
79 #if defined(__bsdi__) && _BSDI_VERSION < 199506 /* XXX */
85 sc->sc_ac.ac_ipaddr = IA_SIN(ifa)->sin_addr;
86 arpwhohas(&sc->sc_ac, &IA_SIN(ifa)->sin_addr);
87 #if _BSDI_VERSION >= 199401
88 ifa->ifa_rtrequest = arp_rtrequest;
89 ifa->ifa_flags |= RTF_CLONING;
99 if (sc->sc_if.if_flags & IFF_UP) {
100 sc->sc_if.if_flags |= IFF_RUNNING;
101 if (sc->sc_if.if_flags & IFF_PROMISC) {
102 sc->sc_pdq->pdq_flags |= PDQ_PROMISC;
104 sc->sc_pdq->pdq_flags &= ~PDQ_PROMISC;
106 if (sc->sc_if.if_flags & IFF_ALLMULTI) {
107 sc->sc_pdq->pdq_flags |= PDQ_ALLMULTI;
109 sc->sc_pdq->pdq_flags &= ~PDQ_ALLMULTI;
111 if (sc->sc_if.if_flags & IFF_LINK1) {
112 sc->sc_pdq->pdq_flags |= PDQ_PASS_SMT;
114 sc->sc_pdq->pdq_flags &= ~PDQ_PASS_SMT;
116 sc->sc_pdq->pdq_flags |= PDQ_RUNNING;
119 sc->sc_if.if_flags &= ~IFF_RUNNING;
120 sc->sc_pdq->pdq_flags &= ~PDQ_RUNNING;
121 pdq_stop(sc->sc_pdq);
130 * No progress was made on the transmit queue for PDQ_OS_TX_TRANSMIT
131 * seconds. Remove all queued packets.
134 ifp->if_flags &= ~IFF_OACTIVE;
136 ifq_purge(&ifp->if_snd);
143 pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if));
147 if ((ifp->if_flags & IFF_RUNNING) == 0)
150 if (sc->sc_if.if_timer == 0)
151 sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
153 if ((sc->sc_pdq->pdq_flags & PDQ_TXOK) == 0) {
154 sc->sc_if.if_flags |= IFF_OACTIVE;
158 m = ifq_poll(&ifp->if_snd);
162 if (pdq_queue_transmit_data(ifp, sc->sc_pdq, m) == PDQ_FALSE) {
167 PDQ_DO_TYPE2_PRODUCER(sc->sc_pdq);
176 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
177 struct fddi_header *fh = mtod(m, struct fddi_header *);
179 sc->sc_if.if_ipackets++;
180 BPF_MTAP(&sc->sc_if, m);
181 if ((fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC) {
186 m->m_pkthdr.len = pktlen;
187 (*sc->sc_if.if_input)(&sc->sc_if, m);
191 pdq_os_restart_transmitter(
194 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
195 sc->sc_if.if_flags &= ~IFF_OACTIVE;
196 if (ifq_is_empty(&sc->sc_if.if_snd)) {
197 pdq_ifstart(&sc->sc_if);
198 sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
200 sc->sc_if.if_timer = 0;
205 pdq_os_transmit_done(
209 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
210 BPF_MTAP(&sc->sc_if, m);
212 sc->sc_if.if_opackets++;
221 pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
222 struct ifmultiaddr *ifma;
224 for (ifma = sc->sc_if.if_multiaddrs.lh_first; ifma && num_addrs > 0;
225 ifma = ifma->ifma_link.le_next) {
227 if (ifma->ifma_addr->sa_family != AF_LINK)
229 mcaddr = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
230 ((u_short *) addr->lanaddr_bytes)[0] = ((u_short *) mcaddr)[0];
231 ((u_short *) addr->lanaddr_bytes)[1] = ((u_short *) mcaddr)[1];
232 ((u_short *) addr->lanaddr_bytes)[2] = ((u_short *) mcaddr)[2];
239 pdq_ifioctl(struct ifnet *ifp, ioctl_cmd_t cmd, caddr_t data, struct ucred *cr)
241 pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_ac.ac_if));
248 struct ifaddr *ifa = (struct ifaddr *)data;
250 ifp->if_flags |= IFF_UP;
251 switch(ifa->ifa_addr->sa_family) {
255 arp_ifinit(&sc->sc_ac.ac_if, ifa);
261 /* This magic copied from if_is.c; I don't use XNS,
262 * so I have no way of telling if this actually
266 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
267 if (ns_nullhost(*ina)) {
268 ina->x_host = *(union ns_host *)(sc->sc_ac.ac_enaddr);
270 ifp->if_flags &= ~IFF_RUNNING;
271 bcopy((caddr_t)ina->x_host.c_host,
272 (caddr_t)sc->sc_ac.ac_enaddr,
273 sizeof sc->sc_ac.ac_enaddr);
289 struct ifreq *ifr = (struct ifreq *)data;
290 bcopy((caddr_t) sc->sc_ac.ac_enaddr,
291 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
304 * Update multicast listeners
306 if (sc->sc_if.if_flags & IFF_RUNNING)
311 #if defined(SIOCSIFMTU)
312 #if !defined(ifr_mtu)
313 #define ifr_mtu ifr_metric
316 struct ifreq *ifr = (struct ifreq *)data;
318 * Set the interface MTU.
320 if (ifr->ifr_mtu > FDDIMTU) {
324 ifp->if_mtu = ifr->ifr_mtu;
327 #endif /* SIOCSIFMTU */
339 #ifndef IFF_NOTRAILERS
340 #define IFF_NOTRAILERS 0
346 ifnet_ret_t (*ifwatchdog)(int unit))
348 struct ifnet *ifp = &sc->sc_if;
350 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
352 #if defined(__DragonFly__) || (defined(__FreeBSD__) && BSD >= 199506) || defined(__NetBSD__)
353 ifp->if_watchdog = pdq_ifwatchdog;
355 ifp->if_watchdog = ifwatchdog;
358 ifp->if_ioctl = pdq_ifioctl;
359 ifp->if_start = pdq_ifstart;
360 ifq_set_maxlen(&ifp->if_snd, IFQ_MAXLEN);
361 ifq_set_ready(&ifp->if_snd);