814 lines
19 KiB
C
814 lines
19 KiB
C
/* $NetBSD: pdq_ifsubr.c,v 1.37 2001/11/13 13:14:43 lukem Exp $ */
|
||
|
||
/*-
|
||
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
|
||
* All rights reserved.
|
||
*
|
||
* Redistribution and use in source and binary forms, with or without
|
||
* modification, are permitted provided that the following conditions
|
||
* are met:
|
||
* 1. Redistributions of source code must retain the above copyright
|
||
* notice, this list of conditions and the following disclaimer.
|
||
* 2. The name of the author may not be used to endorse or promote products
|
||
* derived from this software without specific prior written permission
|
||
*
|
||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
*
|
||
* Id: pdq_ifsubr.c,v 1.12 1997/06/05 01:56:35 thomas Exp
|
||
*
|
||
*/
|
||
|
||
/*
|
||
* DEC PDQ FDDI Controller; code for BSD derived operating systems
|
||
*
|
||
* This module provide bus independent BSD specific O/S functions.
|
||
* (ie. it provides an ifnet interface to the rest of the system)
|
||
*/
|
||
|
||
#include <sys/cdefs.h>
|
||
__KERNEL_RCSID(0, "$NetBSD: pdq_ifsubr.c,v 1.37 2001/11/13 13:14:43 lukem Exp $");
|
||
|
||
#ifdef __NetBSD__
|
||
#include "opt_inet.h"
|
||
#include "opt_ns.h"
|
||
#endif
|
||
|
||
#include <sys/param.h>
|
||
#include <sys/kernel.h>
|
||
#include <sys/mbuf.h>
|
||
#include <sys/protosw.h>
|
||
#include <sys/socket.h>
|
||
#include <sys/ioctl.h>
|
||
#include <sys/errno.h>
|
||
#include <sys/malloc.h>
|
||
#if defined(__FreeBSD__) && BSD < 199401
|
||
#include <sys/devconf.h>
|
||
#elif defined(__bsdi__) || defined(__NetBSD__)
|
||
#include <sys/device.h>
|
||
#endif
|
||
|
||
#include <net/if.h>
|
||
#include <net/if_types.h>
|
||
#include <net/if_dl.h>
|
||
#if !defined(__NetBSD__)
|
||
#include <net/route.h>
|
||
#endif
|
||
|
||
#include "bpfilter.h"
|
||
#if NBPFILTER > 0
|
||
#include <net/bpf.h>
|
||
#include <net/bpfdesc.h>
|
||
#endif
|
||
|
||
#ifdef INET
|
||
#include <netinet/in.h>
|
||
#include <netinet/in_systm.h>
|
||
#include <netinet/in_var.h>
|
||
#include <netinet/ip.h>
|
||
#if defined(__NetBSD__)
|
||
#include <netinet/if_inarp.h>
|
||
#endif
|
||
#endif
|
||
#if defined(__FreeBSD__)
|
||
#include <netinet/if_ether.h>
|
||
#include <netinet/if_fddi.h>
|
||
#else
|
||
#include <net/if_fddi.h>
|
||
#endif
|
||
|
||
#if defined(__bsdi__)
|
||
#include <netinet/if_ether.h>
|
||
#include <i386/isa/isavar.h>
|
||
#endif
|
||
|
||
#ifdef NS
|
||
#include <netns/ns.h>
|
||
#include <netns/ns_if.h>
|
||
#endif
|
||
|
||
#ifndef __NetBSD__
|
||
#include <vm/vm.h>
|
||
#endif
|
||
|
||
#if defined(__FreeBSD__)
|
||
/*
|
||
* Yet another specific ifdef for FreeBSD as it diverges...
|
||
*/
|
||
#include <dev/pdq/pdqvar.h>
|
||
#include <dev/pdq/pdqreg.h>
|
||
#else
|
||
#include "pdqvar.h"
|
||
#include "pdqreg.h"
|
||
#endif
|
||
|
||
#if defined(__bsdi__) && _BSDI_VERSION < 199506 /* XXX */
|
||
static void
|
||
arp_ifinit(
|
||
struct arpcom *ac,
|
||
struct ifaddr *ifa)
|
||
{
|
||
sc->sc_ac.ac_ipaddr = IA_SIN(ifa)->sin_addr;
|
||
arpwhohas(&sc->sc_ac, &IA_SIN(ifa)->sin_addr);
|
||
#if _BSDI_VERSION >= 199401
|
||
ifa->ifa_rtrequest = arp_rtrequest;
|
||
ifa->ifa_flags |= RTF_CLONING;
|
||
#endif
|
||
#endif
|
||
|
||
|
||
void
|
||
pdq_ifinit(
|
||
pdq_softc_t *sc)
|
||
{
|
||
if (sc->sc_if.if_flags & IFF_UP) {
|
||
sc->sc_if.if_flags |= IFF_RUNNING;
|
||
#if NBPFILTER > 0
|
||
if (sc->sc_if.if_flags & IFF_PROMISC) {
|
||
sc->sc_pdq->pdq_flags |= PDQ_PROMISC;
|
||
} else {
|
||
sc->sc_pdq->pdq_flags &= ~PDQ_PROMISC;
|
||
}
|
||
#endif
|
||
if (sc->sc_if.if_flags & IFF_LINK1) {
|
||
sc->sc_pdq->pdq_flags |= PDQ_PASS_SMT;
|
||
} else {
|
||
sc->sc_pdq->pdq_flags &= ~PDQ_PASS_SMT;
|
||
}
|
||
sc->sc_pdq->pdq_flags |= PDQ_RUNNING;
|
||
pdq_run(sc->sc_pdq);
|
||
} else {
|
||
sc->sc_if.if_flags &= ~IFF_RUNNING;
|
||
sc->sc_pdq->pdq_flags &= ~PDQ_RUNNING;
|
||
pdq_stop(sc->sc_pdq);
|
||
}
|
||
}
|
||
|
||
void
|
||
pdq_ifwatchdog(
|
||
struct ifnet *ifp)
|
||
{
|
||
/*
|
||
* No progress was made on the transmit queue for PDQ_OS_TX_TRANSMIT
|
||
* seconds. Remove all queued packets.
|
||
*/
|
||
|
||
ifp->if_flags &= ~IFF_OACTIVE;
|
||
ifp->if_timer = 0;
|
||
for (;;) {
|
||
struct mbuf *m;
|
||
IFQ_DEQUEUE(&ifp->if_snd, m);
|
||
if (m == NULL)
|
||
return;
|
||
PDQ_OS_DATABUF_FREE(PDQ_OS_IFP_TO_SOFTC(ifp)->sc_pdq, m);
|
||
}
|
||
}
|
||
|
||
ifnet_ret_t
|
||
pdq_ifstart(
|
||
struct ifnet *ifp)
|
||
{
|
||
pdq_softc_t * const sc = PDQ_OS_IFP_TO_SOFTC(ifp);
|
||
struct mbuf *m;
|
||
int tx = 0;
|
||
|
||
if ((ifp->if_flags & IFF_RUNNING) == 0)
|
||
return;
|
||
|
||
if (sc->sc_if.if_timer == 0)
|
||
sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
|
||
|
||
if ((sc->sc_pdq->pdq_flags & PDQ_TXOK) == 0) {
|
||
sc->sc_if.if_flags |= IFF_OACTIVE;
|
||
return;
|
||
}
|
||
sc->sc_flags |= PDQIF_DOWNCALL;
|
||
for (;; tx = 1) {
|
||
IFQ_POLL(&ifp->if_snd, m);
|
||
if (m == NULL)
|
||
break;
|
||
#if defined(PDQ_BUS_DMA) && !defined(PDQ_BUS_DMA_NOTX)
|
||
if ((m->m_flags & M_HASTXDMAMAP) == 0) {
|
||
bus_dmamap_t map;
|
||
if (PDQ_OS_HDR_OFFSET != PDQ_RX_FC_OFFSET) {
|
||
m->m_data[0] = PDQ_FDDI_PH0;
|
||
m->m_data[1] = PDQ_FDDI_PH1;
|
||
m->m_data[2] = PDQ_FDDI_PH2;
|
||
}
|
||
if (!bus_dmamap_create(sc->sc_dmatag, m->m_pkthdr.len, 255,
|
||
m->m_pkthdr.len, 0, BUS_DMA_NOWAIT, &map)) {
|
||
if (!bus_dmamap_load_mbuf(sc->sc_dmatag, map, m,
|
||
BUS_DMA_WRITE|BUS_DMA_NOWAIT)) {
|
||
bus_dmamap_sync(sc->sc_dmatag, map, 0, m->m_pkthdr.len,
|
||
BUS_DMASYNC_PREWRITE);
|
||
M_SETCTX(m, map);
|
||
m->m_flags |= M_HASTXDMAMAP;
|
||
}
|
||
}
|
||
if ((m->m_flags & M_HASTXDMAMAP) == 0)
|
||
break;
|
||
}
|
||
#else
|
||
if (PDQ_OS_HDR_OFFSET != PDQ_RX_FC_OFFSET) {
|
||
m->m_data[0] = PDQ_FDDI_PH0;
|
||
m->m_data[1] = PDQ_FDDI_PH1;
|
||
m->m_data[2] = PDQ_FDDI_PH2;
|
||
}
|
||
#endif
|
||
|
||
if (pdq_queue_transmit_data(sc->sc_pdq, m) == PDQ_FALSE)
|
||
break;
|
||
IFQ_DEQUEUE(&ifp->if_snd, m);
|
||
}
|
||
if (m != NULL)
|
||
ifp->if_flags |= IFF_OACTIVE;
|
||
if (tx)
|
||
PDQ_DO_TYPE2_PRODUCER(sc->sc_pdq);
|
||
sc->sc_flags &= ~PDQIF_DOWNCALL;
|
||
}
|
||
|
||
void
|
||
pdq_os_receive_pdu(
|
||
pdq_t *pdq,
|
||
struct mbuf *m,
|
||
size_t pktlen,
|
||
int drop)
|
||
{
|
||
pdq_softc_t *sc = pdq->pdq_os_ctx;
|
||
struct fddi_header *fh;
|
||
|
||
sc->sc_if.if_ipackets++;
|
||
#if defined(PDQ_BUS_DMA)
|
||
{
|
||
/*
|
||
* Even though the first mbuf start at the first fddi header octet,
|
||
* the dmamap starts PDQ_OS_HDR_OFFSET octets earlier. Any additional
|
||
* mbufs will start normally.
|
||
*/
|
||
int offset = PDQ_OS_HDR_OFFSET;
|
||
struct mbuf *m0;
|
||
for (m0 = m; m0 != NULL; m0 = m0->m_next, offset = 0) {
|
||
pdq_os_databuf_sync(sc, m0, offset, m0->m_len, BUS_DMASYNC_POSTREAD);
|
||
bus_dmamap_unload(sc->sc_dmatag, M_GETCTX(m0, bus_dmamap_t));
|
||
bus_dmamap_destroy(sc->sc_dmatag, M_GETCTX(m0, bus_dmamap_t));
|
||
m0->m_flags &= ~M_HASRXDMAMAP;
|
||
M_SETCTX(m0, NULL);
|
||
}
|
||
}
|
||
#endif
|
||
m->m_pkthdr.len = pktlen;
|
||
#if NBPFILTER > 0
|
||
if (sc->sc_bpf != NULL)
|
||
PDQ_BPF_MTAP(sc, m);
|
||
#endif
|
||
fh = mtod(m, struct fddi_header *);
|
||
if (drop || (fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC) {
|
||
PDQ_OS_DATABUF_FREE(pdq, m);
|
||
return;
|
||
}
|
||
|
||
m->m_pkthdr.rcvif = &sc->sc_if;
|
||
(*sc->sc_if.if_input)(&sc->sc_if, m);
|
||
}
|
||
|
||
void
|
||
pdq_os_restart_transmitter(
|
||
pdq_t *pdq)
|
||
{
|
||
pdq_softc_t *sc = pdq->pdq_os_ctx;
|
||
sc->sc_if.if_flags &= ~IFF_OACTIVE;
|
||
if (IFQ_IS_EMPTY(&sc->sc_if.if_snd) == 0) {
|
||
sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
|
||
if ((sc->sc_flags & PDQIF_DOWNCALL) == 0)
|
||
pdq_ifstart(&sc->sc_if);
|
||
} else {
|
||
sc->sc_if.if_timer = 0;
|
||
}
|
||
}
|
||
|
||
void
|
||
pdq_os_transmit_done(
|
||
pdq_t *pdq,
|
||
struct mbuf *m)
|
||
{
|
||
pdq_softc_t *sc = pdq->pdq_os_ctx;
|
||
#if NBPFILTER > 0
|
||
if (sc->sc_bpf != NULL)
|
||
PDQ_BPF_MTAP(sc, m);
|
||
#endif
|
||
PDQ_OS_DATABUF_FREE(pdq, m);
|
||
sc->sc_if.if_opackets++;
|
||
}
|
||
|
||
void
|
||
pdq_os_addr_fill(
|
||
pdq_t *pdq,
|
||
pdq_lanaddr_t *addr,
|
||
size_t num_addrs)
|
||
{
|
||
pdq_softc_t *sc = pdq->pdq_os_ctx;
|
||
struct ether_multistep step;
|
||
struct ether_multi *enm;
|
||
|
||
/*
|
||
* ADDR_FILTER_SET is always issued before FILTER_SET so
|
||
* we can play with PDQ_ALLMULTI and not worry about
|
||
* queueing a FILTER_SET ourselves.
|
||
*/
|
||
|
||
pdq->pdq_flags &= ~PDQ_ALLMULTI;
|
||
#if defined(IFF_ALLMULTI)
|
||
sc->sc_if.if_flags &= ~IFF_ALLMULTI;
|
||
#endif
|
||
|
||
ETHER_FIRST_MULTI(step, PDQ_FDDICOM(sc), enm);
|
||
while (enm != NULL && num_addrs > 0) {
|
||
if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
|
||
((u_short *) addr->lanaddr_bytes)[0] = ((u_short *) enm->enm_addrlo)[0];
|
||
((u_short *) addr->lanaddr_bytes)[1] = ((u_short *) enm->enm_addrlo)[1];
|
||
((u_short *) addr->lanaddr_bytes)[2] = ((u_short *) enm->enm_addrlo)[2];
|
||
addr++;
|
||
num_addrs--;
|
||
} else {
|
||
pdq->pdq_flags |= PDQ_ALLMULTI;
|
||
#if defined(IFF_ALLMULTI)
|
||
sc->sc_if.if_flags |= IFF_ALLMULTI;
|
||
#endif
|
||
}
|
||
ETHER_NEXT_MULTI(step, enm);
|
||
}
|
||
/*
|
||
* If not all the address fit into the CAM, turn on all-multicast mode.
|
||
*/
|
||
if (enm != NULL) {
|
||
pdq->pdq_flags |= PDQ_ALLMULTI;
|
||
#if defined(IFF_ALLMULTI)
|
||
sc->sc_if.if_flags |= IFF_ALLMULTI;
|
||
#endif
|
||
}
|
||
}
|
||
|
||
#if defined(IFM_FDDI)
|
||
static int
|
||
pdq_ifmedia_change(
|
||
struct ifnet *ifp)
|
||
{
|
||
pdq_softc_t * const sc = PDQ_OS_IFP_TO_SOFTC(ifp);
|
||
|
||
if (sc->sc_ifmedia.ifm_media & IFM_FDX) {
|
||
if ((sc->sc_pdq->pdq_flags & PDQ_WANT_FDX) == 0) {
|
||
sc->sc_pdq->pdq_flags |= PDQ_WANT_FDX;
|
||
if (sc->sc_pdq->pdq_flags & PDQ_RUNNING)
|
||
pdq_run(sc->sc_pdq);
|
||
}
|
||
} else if (sc->sc_pdq->pdq_flags & PDQ_WANT_FDX) {
|
||
sc->sc_pdq->pdq_flags &= ~PDQ_WANT_FDX;
|
||
if (sc->sc_pdq->pdq_flags & PDQ_RUNNING)
|
||
pdq_run(sc->sc_pdq);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
pdq_ifmedia_status(
|
||
struct ifnet *ifp,
|
||
struct ifmediareq *ifmr)
|
||
{
|
||
pdq_softc_t * const sc = PDQ_OS_IFP_TO_SOFTC(ifp);
|
||
|
||
ifmr->ifm_status = IFM_AVALID;
|
||
if (sc->sc_pdq->pdq_flags & PDQ_IS_ONRING)
|
||
ifmr->ifm_status |= IFM_ACTIVE;
|
||
|
||
ifmr->ifm_active = (ifmr->ifm_current & ~IFM_FDX);
|
||
if (sc->sc_pdq->pdq_flags & PDQ_IS_FDX)
|
||
ifmr->ifm_active |= IFM_FDX;
|
||
}
|
||
|
||
void
|
||
pdq_os_update_status(
|
||
pdq_t *pdq,
|
||
const void *arg)
|
||
{
|
||
pdq_softc_t * const sc = pdq->pdq_os_ctx;
|
||
const pdq_response_status_chars_get_t *rsp = arg;
|
||
int media = 0;
|
||
|
||
switch (rsp->status_chars_get.pmd_type[0]) {
|
||
case PDQ_PMD_TYPE_ANSI_MUTLI_MODE: media = IFM_FDDI_MMF; break;
|
||
case PDQ_PMD_TYPE_ANSI_SINGLE_MODE_TYPE_1: media = IFM_FDDI_SMF; break;
|
||
case PDQ_PMD_TYPE_ANSI_SIGNLE_MODE_TYPE_2: media = IFM_FDDI_SMF; break;
|
||
case PDQ_PMD_TYPE_UNSHIELDED_TWISTED_PAIR: media = IFM_FDDI_UTP; break;
|
||
default: media |= IFM_MANUAL;
|
||
}
|
||
|
||
if (rsp->status_chars_get.station_type == PDQ_STATION_TYPE_DAS)
|
||
media |= IFM_FDDI_DA;
|
||
|
||
sc->sc_ifmedia.ifm_media = media | IFM_FDDI;
|
||
}
|
||
#endif /* defined(IFM_FDDI) */
|
||
|
||
int
|
||
pdq_ifioctl(
|
||
struct ifnet *ifp,
|
||
ioctl_cmd_t cmd,
|
||
caddr_t data)
|
||
{
|
||
pdq_softc_t *sc = PDQ_OS_IFP_TO_SOFTC(ifp);
|
||
int s, error = 0;
|
||
|
||
s = PDQ_OS_SPL_RAISE();
|
||
|
||
switch (cmd) {
|
||
case SIOCSIFADDR: {
|
||
struct ifaddr *ifa = (struct ifaddr *)data;
|
||
|
||
ifp->if_flags |= IFF_UP;
|
||
switch(ifa->ifa_addr->sa_family) {
|
||
#if defined(INET)
|
||
case AF_INET: {
|
||
pdq_ifinit(sc);
|
||
PDQ_ARP_IFINIT(sc, ifa);
|
||
break;
|
||
}
|
||
#endif /* INET */
|
||
|
||
#if defined(NS)
|
||
/* This magic copied from if_is.c; I don't use XNS,
|
||
* so I have no way of telling if this actually
|
||
* works or not.
|
||
*/
|
||
case AF_NS: {
|
||
struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
|
||
if (ns_nullhost(*ina)) {
|
||
ina->x_host = *(union ns_host *)PDQ_LANADDR(sc);
|
||
} else {
|
||
ifp->if_flags &= ~IFF_RUNNING;
|
||
memcpy((caddr_t)PDQ_LANADDR(sc),
|
||
(caddr_t)ina->x_host.c_host,
|
||
PDQ_LANADDR_SIZE(sc));
|
||
}
|
||
|
||
pdq_ifinit(sc);
|
||
break;
|
||
}
|
||
#endif /* NS */
|
||
|
||
default: {
|
||
pdq_ifinit(sc);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
case SIOCGIFADDR: {
|
||
struct ifreq *ifr = (struct ifreq *)data;
|
||
memcpy((caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
|
||
(caddr_t) PDQ_LANADDR(sc), 6);
|
||
break;
|
||
}
|
||
|
||
case SIOCSIFFLAGS: {
|
||
pdq_ifinit(sc);
|
||
break;
|
||
}
|
||
|
||
case SIOCADDMULTI:
|
||
case SIOCDELMULTI: {
|
||
/*
|
||
* Update multicast listeners
|
||
*/
|
||
if (cmd == SIOCADDMULTI)
|
||
error = ether_addmulti((struct ifreq *)data, PDQ_FDDICOM(sc));
|
||
else
|
||
error = ether_delmulti((struct ifreq *)data, PDQ_FDDICOM(sc));
|
||
|
||
if (error == ENETRESET) {
|
||
if (sc->sc_if.if_flags & IFF_RUNNING)
|
||
pdq_run(sc->sc_pdq);
|
||
error = 0;
|
||
}
|
||
break;
|
||
}
|
||
|
||
#if defined(SIOCSIFMTU)
|
||
#if !defined(ifr_mtu)
|
||
#define ifr_mtu ifr_metric
|
||
#endif
|
||
case SIOCSIFMTU: {
|
||
struct ifreq *ifr = (struct ifreq *)data;
|
||
/*
|
||
* Set the interface MTU.
|
||
*/
|
||
if (ifr->ifr_mtu > FDDIMTU) {
|
||
error = EINVAL;
|
||
break;
|
||
}
|
||
ifp->if_mtu = ifr->ifr_mtu;
|
||
break;
|
||
}
|
||
#endif /* SIOCSIFMTU */
|
||
|
||
#if defined(IFM_FDDI) && defined(SIOCSIFMEDIA)
|
||
case SIOCSIFMEDIA:
|
||
case SIOCGIFMEDIA: {
|
||
struct ifreq *ifr = (struct ifreq *)data;
|
||
error = ifmedia_ioctl(ifp, ifr, &sc->sc_ifmedia, cmd);
|
||
break;
|
||
}
|
||
#endif
|
||
|
||
default: {
|
||
error = EINVAL;
|
||
break;
|
||
}
|
||
}
|
||
|
||
PDQ_OS_SPL_LOWER(s);
|
||
return error;
|
||
}
|
||
|
||
#ifndef IFF_NOTRAILERS
|
||
#define IFF_NOTRAILERS 0
|
||
#endif
|
||
|
||
void
|
||
pdq_ifattach(
|
||
pdq_softc_t *sc,
|
||
ifnet_ret_t (*ifwatchdog)(int unit))
|
||
{
|
||
struct ifnet *ifp = &sc->sc_if;
|
||
|
||
ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
|
||
|
||
#if (defined(__FreeBSD__) && BSD >= 199506) || defined(__NetBSD__)
|
||
ifp->if_watchdog = pdq_ifwatchdog;
|
||
#else
|
||
ifp->if_watchdog = ifwatchdog;
|
||
#endif
|
||
|
||
ifp->if_ioctl = pdq_ifioctl;
|
||
#if !defined(__NetBSD__)
|
||
ifp->if_output = fddi_output;
|
||
#endif
|
||
ifp->if_start = pdq_ifstart;
|
||
|
||
#if defined(IFM_FDDI)
|
||
{
|
||
const int media = sc->sc_ifmedia.ifm_media;
|
||
ifmedia_init(&sc->sc_ifmedia, IFM_FDX,
|
||
pdq_ifmedia_change, pdq_ifmedia_status);
|
||
ifmedia_add(&sc->sc_ifmedia, media, 0, 0);
|
||
ifmedia_set(&sc->sc_ifmedia, media);
|
||
}
|
||
#endif
|
||
|
||
if_attach(ifp);
|
||
#if defined(__NetBSD__)
|
||
fddi_ifattach(ifp, (caddr_t)&sc->sc_pdq->pdq_hwaddr);
|
||
#else
|
||
fddi_ifattach(ifp);
|
||
#endif
|
||
}
|
||
|
||
#if defined(PDQ_BUS_DMA)
|
||
int
|
||
pdq_os_memalloc_contig(
|
||
pdq_t *pdq)
|
||
{
|
||
pdq_softc_t * const sc = pdq->pdq_os_ctx;
|
||
bus_dma_segment_t db_segs[1], ui_segs[1], cb_segs[1];
|
||
int db_nsegs = 0, ui_nsegs = 0;
|
||
int steps = 0;
|
||
int not_ok;
|
||
|
||
not_ok = bus_dmamem_alloc(sc->sc_dmatag,
|
||
sizeof(*pdq->pdq_dbp), sizeof(*pdq->pdq_dbp),
|
||
sizeof(*pdq->pdq_dbp), db_segs, 1, &db_nsegs,
|
||
BUS_DMA_NOWAIT);
|
||
if (!not_ok) {
|
||
steps = 1;
|
||
not_ok = bus_dmamem_map(sc->sc_dmatag, db_segs, db_nsegs,
|
||
sizeof(*pdq->pdq_dbp), (caddr_t *) &pdq->pdq_dbp,
|
||
BUS_DMA_NOWAIT);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 2;
|
||
not_ok = bus_dmamap_create(sc->sc_dmatag, db_segs[0].ds_len, 1,
|
||
0x2000, 0, BUS_DMA_NOWAIT, &sc->sc_dbmap);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 3;
|
||
not_ok = bus_dmamap_load(sc->sc_dmatag, sc->sc_dbmap,
|
||
pdq->pdq_dbp, sizeof(*pdq->pdq_dbp),
|
||
NULL, BUS_DMA_NOWAIT);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 4;
|
||
pdq->pdq_pa_descriptor_block = sc->sc_dbmap->dm_segs[0].ds_addr;
|
||
not_ok = bus_dmamem_alloc(sc->sc_dmatag,
|
||
PDQ_OS_PAGESIZE, PDQ_OS_PAGESIZE, PDQ_OS_PAGESIZE,
|
||
ui_segs, 1, &ui_nsegs, BUS_DMA_NOWAIT);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 5;
|
||
not_ok = bus_dmamem_map(sc->sc_dmatag, ui_segs, ui_nsegs,
|
||
PDQ_OS_PAGESIZE,
|
||
(caddr_t *) &pdq->pdq_unsolicited_info.ui_events,
|
||
BUS_DMA_NOWAIT);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 6;
|
||
not_ok = bus_dmamap_create(sc->sc_dmatag, ui_segs[0].ds_len, 1,
|
||
PDQ_OS_PAGESIZE, 0, BUS_DMA_NOWAIT,
|
||
&sc->sc_uimap);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 7;
|
||
not_ok = bus_dmamap_load(sc->sc_dmatag, sc->sc_uimap,
|
||
pdq->pdq_unsolicited_info.ui_events,
|
||
PDQ_OS_PAGESIZE, NULL, BUS_DMA_NOWAIT);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 8;
|
||
pdq->pdq_unsolicited_info.ui_pa_bufstart = sc->sc_uimap->dm_segs[0].ds_addr;
|
||
cb_segs[0].ds_addr = db_segs[0].ds_addr +
|
||
offsetof(pdq_descriptor_block_t, pdqdb_consumer);
|
||
cb_segs[0].ds_len = sizeof(pdq_consumer_block_t);
|
||
not_ok = bus_dmamem_map(sc->sc_dmatag, cb_segs, 1,
|
||
sizeof(*pdq->pdq_cbp), (caddr_t *) &pdq->pdq_cbp,
|
||
BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 9;
|
||
not_ok = bus_dmamap_create(sc->sc_dmatag, cb_segs[0].ds_len, 1,
|
||
0x2000, 0, BUS_DMA_NOWAIT, &sc->sc_cbmap);
|
||
}
|
||
if (!not_ok) {
|
||
steps = 10;
|
||
not_ok = bus_dmamap_load(sc->sc_dmatag, sc->sc_cbmap,
|
||
(caddr_t) pdq->pdq_cbp, sizeof(*pdq->pdq_cbp),
|
||
NULL, BUS_DMA_NOWAIT);
|
||
}
|
||
if (!not_ok) {
|
||
pdq->pdq_pa_consumer_block = sc->sc_cbmap->dm_segs[0].ds_addr;
|
||
return not_ok;
|
||
}
|
||
|
||
switch (steps) {
|
||
case 11: {
|
||
bus_dmamap_unload(sc->sc_dmatag, sc->sc_cbmap);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 10: {
|
||
bus_dmamap_destroy(sc->sc_dmatag, sc->sc_cbmap);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 9: {
|
||
bus_dmamem_unmap(sc->sc_dmatag,
|
||
(caddr_t) pdq->pdq_cbp, sizeof(*pdq->pdq_cbp));
|
||
/* FALL THROUGH */
|
||
}
|
||
case 8: {
|
||
bus_dmamap_unload(sc->sc_dmatag, sc->sc_uimap);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 7: {
|
||
bus_dmamap_destroy(sc->sc_dmatag, sc->sc_uimap);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 6: {
|
||
bus_dmamem_unmap(sc->sc_dmatag,
|
||
(caddr_t) pdq->pdq_unsolicited_info.ui_events,
|
||
PDQ_OS_PAGESIZE);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 5: {
|
||
bus_dmamem_free(sc->sc_dmatag, ui_segs, ui_nsegs);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 4: {
|
||
bus_dmamap_unload(sc->sc_dmatag, sc->sc_dbmap);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 3: {
|
||
bus_dmamap_destroy(sc->sc_dmatag, sc->sc_dbmap);
|
||
/* FALL THROUGH */
|
||
}
|
||
case 2: {
|
||
bus_dmamem_unmap(sc->sc_dmatag,
|
||
(caddr_t) pdq->pdq_dbp,
|
||
sizeof(*pdq->pdq_dbp));
|
||
/* FALL THROUGH */
|
||
}
|
||
case 1: {
|
||
bus_dmamem_free(sc->sc_dmatag, db_segs, db_nsegs);
|
||
/* FALL THROUGH */
|
||
}
|
||
}
|
||
|
||
return not_ok;
|
||
}
|
||
|
||
extern void
|
||
pdq_os_descriptor_block_sync(
|
||
pdq_os_ctx_t *sc,
|
||
size_t offset,
|
||
size_t length,
|
||
int ops)
|
||
{
|
||
bus_dmamap_sync(sc->sc_dmatag, sc->sc_dbmap, offset, length, ops);
|
||
}
|
||
|
||
extern void
|
||
pdq_os_consumer_block_sync(
|
||
pdq_os_ctx_t *sc,
|
||
int ops)
|
||
{
|
||
bus_dmamap_sync(sc->sc_dmatag, sc->sc_cbmap, 0, sizeof(pdq_consumer_block_t), ops);
|
||
}
|
||
|
||
extern void
|
||
pdq_os_unsolicited_event_sync(
|
||
pdq_os_ctx_t *sc,
|
||
size_t offset,
|
||
size_t length,
|
||
int ops)
|
||
{
|
||
bus_dmamap_sync(sc->sc_dmatag, sc->sc_uimap, offset, length, ops);
|
||
}
|
||
|
||
extern void
|
||
pdq_os_databuf_sync(
|
||
pdq_os_ctx_t *sc,
|
||
struct mbuf *m,
|
||
size_t offset,
|
||
size_t length,
|
||
int ops)
|
||
{
|
||
bus_dmamap_sync(sc->sc_dmatag, M_GETCTX(m, bus_dmamap_t), offset, length, ops);
|
||
}
|
||
|
||
extern void
|
||
pdq_os_databuf_free(
|
||
pdq_os_ctx_t *sc,
|
||
struct mbuf *m)
|
||
{
|
||
if (m->m_flags & (M_HASRXDMAMAP|M_HASTXDMAMAP)) {
|
||
bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t);
|
||
bus_dmamap_unload(sc->sc_dmatag, map);
|
||
bus_dmamap_destroy(sc->sc_dmatag, map);
|
||
m->m_flags &= ~(M_HASRXDMAMAP|M_HASTXDMAMAP);
|
||
}
|
||
m_freem(m);
|
||
}
|
||
|
||
extern struct mbuf *
|
||
pdq_os_databuf_alloc(
|
||
pdq_os_ctx_t *sc)
|
||
{
|
||
struct mbuf *m;
|
||
bus_dmamap_t map;
|
||
|
||
MGETHDR(m, M_DONTWAIT, MT_DATA);
|
||
if (m == NULL) {
|
||
printf("%s: can't alloc small buf\n", sc->sc_dev.dv_xname);
|
||
return NULL;
|
||
}
|
||
MCLGET(m, M_DONTWAIT);
|
||
if ((m->m_flags & M_EXT) == 0) {
|
||
printf("%s: can't alloc cluster\n", sc->sc_dev.dv_xname);
|
||
m_free(m);
|
||
return NULL;
|
||
}
|
||
m->m_pkthdr.len = m->m_len = PDQ_OS_DATABUF_SIZE;
|
||
|
||
if (bus_dmamap_create(sc->sc_dmatag, PDQ_OS_DATABUF_SIZE,
|
||
1, PDQ_OS_DATABUF_SIZE, 0, BUS_DMA_NOWAIT, &map)) {
|
||
printf("%s: can't create dmamap\n", sc->sc_dev.dv_xname);
|
||
m_free(m);
|
||
return NULL;
|
||
}
|
||
if (bus_dmamap_load_mbuf(sc->sc_dmatag, map, m,
|
||
BUS_DMA_READ|BUS_DMA_NOWAIT)) {
|
||
printf("%s: can't load dmamap\n", sc->sc_dev.dv_xname);
|
||
bus_dmamap_destroy(sc->sc_dmatag, map);
|
||
m_free(m);
|
||
return NULL;
|
||
}
|
||
m->m_flags |= M_HASRXDMAMAP;
|
||
M_SETCTX(m, map);
|
||
return m;
|
||
}
|
||
#endif
|