File: [local] / sys / dev / ic / pdq_ifsubr.c (download)
Revision 1.1.1.1 (vendor branch), Tue Mar 4 16:10:53 2008 UTC (16 years, 6 months ago) by nbrk
Branch: OPENBSD_4_2_BASE, MAIN
CVS Tags: jornada-partial-support-wip, HEAD Changes since 1.1: +0 -0 lines
Import of OpenBSD 4.2 release kernel tree with initial code to support
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO
Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)
|
/* $OpenBSD: pdq_ifsubr.c,v 1.19 2006/05/30 21:33:59 fkr Exp $ */
/* $NetBSD: pdq_ifsubr.c,v 1.5 1996/05/20 00:26:21 thorpej 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 1.6 1996/05/16 14:25:26 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/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__)
#include <sys/devconf.h>
#elif defined(__NetBSD__) || defined(__OpenBSD__)
#include <sys/device.h>
#endif
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/route.h>
#include "bpfilter.h"
#if NBPFILTER > 0
#include <net/bpf.h>
#endif
#ifdef INET
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#endif
#if defined(__FreeBSD__)
#include <netinet/if_fddi.h>
#else
#include <net/if_fddi.h>
#endif
#include <uvm/uvm_extern.h>
#include "pdqvar.h"
#include "pdqreg.h"
void
pdq_ifinit(
pdq_softc_t *sc)
{
if (sc->sc_if.if_flags & IFF_UP) {
sc->sc_if.if_flags |= IFF_RUNNING;
if (sc->sc_if.if_flags & IFF_PROMISC) {
sc->sc_pdq->pdq_flags |= PDQ_PROMISC;
} else {
sc->sc_pdq->pdq_flags &= ~PDQ_PROMISC;
}
if (sc->sc_if.if_flags & IFF_ALLMULTI) {
sc->sc_pdq->pdq_flags |= PDQ_ALLMULTI;
} else {
sc->sc_pdq->pdq_flags &= ~PDQ_ALLMULTI;
}
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;
IFQ_PURGE(&ifp->if_snd);
}
ifnet_ret_t
pdq_ifstart(
struct ifnet *ifp)
{
pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_arpcom.ac_if));
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;
}
for (;; tx = 1) {
IFQ_POLL(&ifp->if_snd, m);
if (m == NULL)
break;
if (pdq_queue_transmit_data(sc->sc_pdq, m) == PDQ_FALSE) {
ifp->if_flags |= IFF_OACTIVE;
break;
}
IFQ_DEQUEUE(&ifp->if_snd, m);
}
if (tx)
PDQ_DO_TYPE2_PRODUCER(sc->sc_pdq);
}
void
pdq_os_receive_pdu(
pdq_t *pdq,
struct mbuf *m,
size_t pktlen)
{
pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
struct fddi_header *fh = mtod(m, struct fddi_header *);
sc->sc_if.if_ipackets++;
#if NBPFILTER > 0
if (sc->sc_bpf != NULL)
PDQ_BPF_MTAP(sc, m, BPF_DIRECTION_IN);
if ((fh->fddi_fc & (FDDIFC_L|FDDIFC_F)) != FDDIFC_LLC_ASYNC) {
m_freem(m);
return;
}
#endif
m->m_data += sizeof(struct fddi_header);
m->m_len -= sizeof(struct fddi_header);
m->m_pkthdr.len = pktlen - sizeof(struct fddi_header);
m->m_pkthdr.rcvif = &sc->sc_if;
fddi_input(&sc->sc_if, fh, m);
}
void
pdq_os_restart_transmitter(
pdq_t *pdq)
{
pdq_softc_t *sc = (pdq_softc_t *) pdq->pdq_os_ctx;
sc->sc_if.if_flags &= ~IFF_OACTIVE;
if (!IFQ_IS_EMPTY(&sc->sc_if.if_snd)) {
sc->sc_if.if_timer = PDQ_OS_TX_TIMEOUT;
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_softc_t *) pdq->pdq_os_ctx;
#if NBPFILTER > 0
if (sc->sc_bpf != NULL)
PDQ_BPF_MTAP(sc, m, BPF_DIRECTION_OUT);
#endif
m_freem(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_softc_t *) pdq->pdq_os_ctx;
struct ether_multistep step;
struct ether_multi *enm;
ETHER_FIRST_MULTI(step, &sc->sc_arpcom, enm);
while (enm != NULL && num_addrs > 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];
ETHER_NEXT_MULTI(step, enm);
addr++;
num_addrs--;
}
}
int
pdq_ifioctl(
struct ifnet *ifp,
ioctl_cmd_t cmd,
caddr_t data)
{
pdq_softc_t *sc = (pdq_softc_t *) ((caddr_t) ifp - offsetof(pdq_softc_t, sc_arpcom.ac_if));
int s, error = 0;
s = splnet();
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);
arp_ifinit(&sc->sc_arpcom, 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 *)(sc->sc_arpcom.ac_enaddr);
} else {
ifp->if_flags &= ~IFF_RUNNING;
bcopy((caddr_t)ina->x_host.c_host,
(caddr_t)sc->sc_arpcom.ac_enaddr,
sizeof sc->sc_arpcom.ac_enaddr);
}
pdq_ifinit(sc);
break;
}
#endif /* NS */
default: {
pdq_ifinit(sc);
break;
}
}
break;
}
case SIOCSIFFLAGS: {
pdq_ifinit(sc);
break;
}
case SIOCADDMULTI:
case SIOCDELMULTI: {
/*
* Update multicast listeners
*/
if (cmd == SIOCADDMULTI)
error = ether_addmulti((struct ifreq *)data, &sc->sc_arpcom);
else
error = ether_delmulti((struct ifreq *)data, &sc->sc_arpcom);
if (error == ENETRESET) {
if (sc->sc_if.if_flags & IFF_RUNNING)
pdq_run(sc->sc_pdq);
error = 0;
}
break;
}
default: {
error = EINVAL;
break;
}
}
splx(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__) || \
defined(__OpenBSD__)
ifp->if_watchdog = pdq_ifwatchdog;
#else
ifp->if_watchdog = ifwatchdog;
#endif
ifp->if_ioctl = pdq_ifioctl;
ifp->if_start = pdq_ifstart;
IFQ_SET_READY(&ifp->if_snd);
if_attach(ifp);
fddi_ifattach(ifp);
#if NBPFILTER > 0
PDQ_BPFATTACH(sc, DLT_FDDI, sizeof(struct fddi_header));
#endif
}