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/* $OpenBSD: if_art.c,v 1.14 2007/09/17 17:34:22 brad Exp $ */
/*
* Copyright (c) 2004,2005 Internet Business Solutions AG, Zurich, Switzerland
* Written by: Claudio Jeker <jeker@accoom.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/types.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/syslog.h>
#include <sys/systm.h>
#include <machine/bus.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net/if_sppp.h>
#include <dev/pci/musyccvar.h>
#include <dev/pci/if_art.h>
#define ART_E1_MASK 0xffffffff
#define ART_T1_MASK 0x01fffffe
int art_match(struct device *, void *, void *);
void art_softc_attach(struct device *, struct device *, void *);
int art_ioctl(struct ifnet *, u_long, caddr_t);
int art_ifm_change(struct ifnet *);
void art_ifm_status(struct ifnet *, struct ifmediareq *);
int art_ifm_options(struct ifnet *, struct channel_softc *, u_int);
void art_onesec(void *);
void art_linkstate(void *);
u_int32_t art_mask_tsmap(u_int, u_int32_t);
struct cfattach art_ca = {
sizeof(struct art_softc), art_match, art_softc_attach
};
struct cfdriver art_cd = {
NULL, "art", DV_DULL
};
int
art_match(struct device *parent, void *match, void *aux)
{
struct musycc_attach_args *ma = aux;
if (ma->ma_type == MUSYCC_FRAMER_BT8370)
return (1);
return (0);
}
/*
* used for the one second timer
*/
extern int hz;
void
art_softc_attach(struct device *parent, struct device *self, void *aux)
{
struct art_softc *sc = (struct art_softc *)self;
struct musycc_softc *psc = (struct musycc_softc *)parent;
struct musycc_attach_args *ma = aux;
printf(" \"%s\"", ma->ma_product);
if (ebus_attach_device(&sc->art_ebus, psc, ma->ma_base,
ma->ma_size) != 0) {
printf(": could not map framer\n");
return;
}
/* set basic values */
sc->art_port = ma->ma_port;
sc->art_slot = ma->ma_slot;
sc->art_gnum = ma->ma_gnum;
sc->art_type = ma->ma_flags & 0x03;
sc->art_channel = musycc_channel_create(self->dv_xname, 1);
if (sc->art_channel == NULL) {
printf(": could not alloc channel descriptor\n");
return;
}
if (musycc_channel_attach(psc, sc->art_channel, self, sc->art_gnum) ==
-1) {
printf(": unable to attach to hdlc controller\n");
return;
}
ifmedia_init(&sc->art_ifm, 0, art_ifm_change, art_ifm_status);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1, 0, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1_AMI, 0, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1, 0, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704, 0, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704_CRC4, 0, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1, IFM_TDM_MASTER, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1_AMI, IFM_TDM_MASTER, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1, IFM_TDM_MASTER, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704, IFM_TDM_MASTER, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704_CRC4, IFM_TDM_MASTER, 0),
0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1, IFM_TDM_PPP, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1, IFM_TDM_PPP, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1_AMI, IFM_TDM_PPP, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704, IFM_TDM_PPP, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704_CRC4, IFM_TDM_PPP, 0), 0,
NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1, IFM_TDM_PPP | IFM_TDM_MASTER, 0),
0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1, IFM_TDM_PPP | IFM_TDM_MASTER, 0),
0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_T1_AMI, IFM_TDM_PPP | IFM_TDM_MASTER,
0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704, IFM_TDM_PPP |
IFM_TDM_MASTER, 0), 0, NULL);
ifmedia_add(&sc->art_ifm,
IFM_MAKEWORD(IFM_TDM, IFM_TDM_E1_G704_CRC4, IFM_TDM_PPP |
IFM_TDM_MASTER, 0), 0, NULL);
printf("\n");
if (bt8370_reset(sc) != 0)
return;
/* Initialize timeout for statistics update. */
timeout_set(&sc->art_onesec, art_onesec, sc);
ifmedia_set(&sc->art_ifm, IFM_TDM|IFM_TDM_E1_G704_CRC4);
sc->art_media = sc->art_ifm.ifm_media;
bt8370_set_frame_mode(sc, sc->art_type, IFM_TDM_E1_G704_CRC4, 0);
musycc_attach_sppp(sc->art_channel, art_ioctl);
/* Set linkstate hook to track link state changes done by sppp. */
sc->art_linkstatehook = hook_establish(
sc->art_channel->cc_ifp->if_linkstatehooks, 0, art_linkstate, sc);
/* Schedule the timeout one second from now. */
timeout_add(&sc->art_onesec, hz);
}
/* interface ioctl */
int
art_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
{
struct ifreq *ifr = (struct ifreq*) data;
struct channel_softc *cc = ifp->if_softc;
struct art_softc *ac = (struct art_softc *)cc->cc_parent;
u_int32_t tsmap;
int s, rv = 0;
s = splnet();
switch (command) {
case SIOCSIFADDR:
if ((rv = musycc_init_channel(cc, ac->art_slot)))
break;
rv = sppp_ioctl(ifp, command, data);
break;
case SIOCSIFTIMESLOT:
if ((rv = suser(curproc, 0)) != 0)
break;
rv = copyin(ifr->ifr_data, &tsmap, sizeof(tsmap));
if (rv)
break;
if (art_mask_tsmap(IFM_SUBTYPE(ac->art_media), tsmap) !=
tsmap) {
rv = EINVAL;
break;
}
if (ac->art_type == ART_SBI_SINGLE &&
(IFM_SUBTYPE(ac->art_media) == IFM_TDM_T1 ||
IFM_SUBTYPE(ac->art_media) == IFM_TDM_T1_AMI))
/*
* need to adjust timeslot mask for T1 on single port
* cards. There timeslot 0-23 are usable not 1-24
*/
tsmap >>= 1;
cc->cc_tslots = tsmap;
rv = musycc_init_channel(cc, ac->art_slot);
break;
case SIOCGIFTIMESLOT:
tsmap = cc->cc_tslots;
if (ac->art_type == ART_SBI_SINGLE &&
(IFM_SUBTYPE(ac->art_media) == IFM_TDM_T1 ||
IFM_SUBTYPE(ac->art_media) == IFM_TDM_T1_AMI))
tsmap <<= 1;
rv = copyout(&tsmap, ifr->ifr_data, sizeof(tsmap));
break;
case SIOCSIFFLAGS:
/*
* If interface is marked up and not running, then start it.
* If it is marked down and running, stop it.
*/
if (ifr->ifr_flags & IFF_UP && cc->cc_state != CHAN_RUNNING) {
if ((rv = musycc_init_channel(cc, ac->art_slot)))
break;
} else if ((ifr->ifr_flags & IFF_UP) == 0 &&
cc->cc_state == CHAN_RUNNING)
musycc_stop_channel(cc);
rv = sppp_ioctl(ifp, command, data);
break;
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
if (ac != NULL)
rv = ifmedia_ioctl(ifp, ifr, &ac->art_ifm, command);
else
rv = EINVAL;
break;
default:
rv = sppp_ioctl(ifp, command, data);
break;
}
splx(s);
return (rv);
}
int
art_ifm_change(struct ifnet *ifp)
{
struct channel_softc *cc = ifp->if_softc;
struct art_softc *ac = (struct art_softc *)cc->cc_parent;
struct ifmedia *ifm = &ac->art_ifm;
u_int64_t baudrate;
int rv, s;
ACCOOM_PRINTF(2, ("%s: art_ifm_change %08x\n", ifp->if_xname,
ifm->ifm_media));
if (IFM_TYPE(ifm->ifm_media) != IFM_TDM)
return (EINVAL);
/* OPTIONS (controller mode hdlc, ppp, eoe) */
if ((rv = art_ifm_options(ifp, cc, IFM_OPTIONS(ifm->ifm_media))) != 0)
return (rv);
/* SUBTYPE (framing mode T1/E1) + MODE (clocking master/slave) */
if (IFM_SUBTYPE(ifm->ifm_media) != IFM_SUBTYPE(ac->art_media) ||
IFM_MODE(ifm->ifm_media) != IFM_MODE(ac->art_media)) {
ACCOOM_PRINTF(0, ("%s: art_ifm_change type %d mode %x\n",
ifp->if_xname, IFM_SUBTYPE(ifm->ifm_media),
IFM_MODE(ifm->ifm_media)));
bt8370_set_frame_mode(ac, ac->art_type,
IFM_SUBTYPE(ifm->ifm_media), IFM_MODE(ifm->ifm_media));
if (IFM_SUBTYPE(ifm->ifm_media) != IFM_SUBTYPE(ac->art_media)) {
/* adjust timeslot map on media change */
cc->cc_tslots = art_mask_tsmap(
IFM_SUBTYPE(ifm->ifm_media), cc->cc_tslots);
if (ac->art_type == ART_SBI_SINGLE &&
(IFM_SUBTYPE(ifm->ifm_media) == IFM_TDM_T1 ||
IFM_SUBTYPE(ifm->ifm_media) == IFM_TDM_T1_AMI) &&
(IFM_SUBTYPE(ac->art_media) != IFM_TDM_T1 &&
IFM_SUBTYPE(ac->art_media) != IFM_TDM_T1_AMI))
/*
* need to adjust timeslot mask for T1 on
* single port cards. There timeslot 0-23 are
* usable not 1-24
*/
cc->cc_tslots >>= 1;
else if (ac->art_type == ART_SBI_SINGLE &&
(IFM_SUBTYPE(ifm->ifm_media) != IFM_TDM_T1 &&
IFM_SUBTYPE(ifm->ifm_media) != IFM_TDM_T1_AMI) &&
(IFM_SUBTYPE(ac->art_media) == IFM_TDM_T1 ||
IFM_SUBTYPE(ac->art_media) == IFM_TDM_T1_AMI))
/* undo the last adjustment */
cc->cc_tslots <<= 1;
}
/* re-init the card */
if ((rv = musycc_init_channel(cc, ac->art_slot)))
return (rv);
}
baudrate = ifmedia_baudrate(ac->art_media);
if (baudrate != ifp->if_baudrate) {
ifp->if_baudrate = baudrate;
s = splsoftnet();
if_link_state_change(ifp);
splx(s);
}
ac->art_media = ifm->ifm_media;
return (0);
}
void
art_ifm_status(struct ifnet *ifp, struct ifmediareq *ifmreq)
{
struct art_softc *ac;
ac = (struct art_softc *)
((struct channel_softc *)ifp->if_softc)->cc_parent;
ifmreq->ifm_status = IFM_AVALID;
if (ifp->if_link_state == LINK_STATE_UP)
ifmreq->ifm_status |= IFM_ACTIVE;
ifmreq->ifm_active = ac->art_media;
return;
}
int
art_ifm_options(struct ifnet *ifp, struct channel_softc *cc, u_int options)
{
struct art_softc *ac = (struct art_softc *)cc->cc_parent;
u_int flags = cc->cc_ppp.pp_flags;
int rv;
if (options == IFM_TDM_PPP) {
flags &= ~PP_CISCO;
flags |= PP_KEEPALIVE;
} else if (options == 0) {
flags |= PP_CISCO;
flags |= PP_KEEPALIVE;
} else {
ACCOOM_PRINTF(0, ("%s: Unsupported ifmedia options\n",
ifp->if_xname));
return (EINVAL);
}
if (flags != cc->cc_ppp.pp_flags) {
musycc_stop_channel(cc);
cc->cc_ppp.pp_flags = flags;
if ((rv = musycc_init_channel(cc, ac->art_slot)))
return (rv);
return (sppp_ioctl(ifp, SIOCSIFFLAGS, NULL));
}
return (0);
}
void
art_onesec(void *arg)
{
struct art_softc *ac = arg;
struct ifnet *ifp = ac->art_channel->cc_ifp;
struct sppp *ppp = &ac->art_channel->cc_ppp;
int s, rv, link_state;
rv = bt8370_link_status(ac);
switch (rv) {
case 1:
link_state = LINK_STATE_UP;
/* set green led */
ebus_set_led(ac->art_channel, 1, MUSYCC_LED_GREEN);
break;
case 0:
link_state = LINK_STATE_DOWN;
/* set green led and red led as well */
ebus_set_led(ac->art_channel, 1,
MUSYCC_LED_GREEN | MUSYCC_LED_RED);
break;
default:
link_state = LINK_STATE_DOWN;
/* turn green led off */
ebus_set_led(ac->art_channel, 0, MUSYCC_LED_GREEN);
break;
}
if (link_state != ifp->if_link_state) {
s = splsoftnet();
if (link_state == LINK_STATE_UP)
ppp->pp_up(ppp);
else
ppp->pp_down(ppp);
splx(s);
}
/*
* run musycc onesec job
*/
musycc_tick(ac->art_channel);
/*
* Schedule another timeout one second from now.
*/
timeout_add(&ac->art_onesec, hz);
}
void
art_linkstate(void *arg)
{
struct art_softc *ac = arg;
struct ifnet *ifp = ac->art_channel->cc_ifp;
if (ifp->if_link_state == LINK_STATE_UP)
/* turn red led off */
ebus_set_led(ac->art_channel, 0, MUSYCC_LED_RED);
else
/* turn red led on */
ebus_set_led(ac->art_channel, 1, MUSYCC_LED_RED);
}
u_int32_t
art_mask_tsmap(u_int mode, u_int32_t tsmap)
{
switch (mode) {
case IFM_TDM_E1:
case IFM_TDM_E1_G704:
case IFM_TDM_E1_G704_CRC4:
return (tsmap & ART_E1_MASK);
case IFM_TDM_T1_AMI:
case IFM_TDM_T1:
return (tsmap & ART_T1_MASK);
default:
return (tsmap);
}
}
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