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Code Issues Releases Activity

Make open channels persist across ifconfig down and up. All channels

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that are not currently closing when the interface is configured down
will be brough up as soon as the interface is configured up.
This commit is contained in:
Hartmut Brandt 2003-08-07 14:30:58 +00:00
parent 7f325bba26
commit 46cf3cb76f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=118601
3 changed files with 40 additions and 21 deletions
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20
sys/dev/patm/if_patm.c
View File

@ -211,6 +211,10 @@ patm_initialize(struct patm_softc *sc)
IDT_CFG_TXUIE | IDT_CFG_TXSFI | IDT_CFG_PHYIE;
patm_nor_write(sc, IDT_NOR_CFG, cfg);
for (i = 0; i < sc->mmap->max_conn; i++)
if (sc->vccs[i] != NULL)
patm_load_vc(sc, sc->vccs[i], 1);
ATMEV_SEND_IFSTATE_CHANGED(&sc->ifatm,
sc->utopia.carrier == UTP_CARR_OK);
}
@ -284,17 +288,21 @@ patm_stop(struct patm_softc *sc)
/* freeing partial receive chains and reset vcc state */
for (i = 0; i < sc->mmap->max_conn; i++) {
if (sc->vccs[i] != NULL) {
if (sc->vccs[i]->chain != NULL)
if (sc->vccs[i]->chain != NULL) {
m_freem(sc->vccs[i]->chain);
sc->vccs[i]->chain = NULL;
sc->vccs[i]->last = NULL;
}
if (sc->vccs[i]->vcc.flags & ATMIO_FLAG_NG) {
if (sc->vccs[i]->vflags & (PATM_VCC_RX_CLOSING |
PATM_VCC_TX_CLOSING)) {
uma_zfree(sc->vcc_zone, sc->vccs[i]);
sc->vccs[i] = NULL;
} else {
/* keep HARP and NG */
sc->vccs[i]->chain = NULL;
sc->vccs[i]->last = NULL;
sc->vccs[i]->vflags = 0;
/* keep */
sc->vccs[i]->vflags &= ~PATM_VCC_OPEN;
sc->vccs[i]->cps = 0;
sc->vccs[i]->scd = NULL;
}
}
}

37
sys/dev/patm/if_patm_ioctl.c
View File

@ -171,24 +171,10 @@ patm_open_vcc(struct patm_softc *sc, struct atmio_openvcc *arg)
/* ok - go ahead */
sc->vccs[cid] = vcc;
patm_debug(sc, VCC, "Open VCC: opening");
if (!(vcc->vcc.flags & ATMIO_FLAG_NOTX))
patm_tx_vcc_open(sc, vcc);
if (!(vcc->vcc.flags & ATMIO_FLAG_NORX))
patm_rx_vcc_open(sc, vcc);
/* inform management about non-NG and NG-PVCs */
if (!(vcc->vcc.flags & ATMIO_FLAG_NG) ||
(vcc->vcc.flags & ATMIO_FLAG_PVC))
ATMEV_SEND_VCC_CHANGED(&sc->ifatm, vcc->vcc.vpi,
vcc->vcc.vci, 1);
patm_debug(sc, VCC, "Open VCC: now open");
patm_load_vc(sc, vcc, 0);
/* don't free below */
vcc = NULL;
sc->vccs_open++;
/* done */
@ -199,6 +185,27 @@ patm_open_vcc(struct patm_softc *sc, struct atmio_openvcc *arg)
return (error);
}
void
patm_load_vc(struct patm_softc *sc, struct patm_vcc *vcc, int reload)
{
patm_debug(sc, VCC, "Open VCC: opening");
if (!(vcc->vcc.flags & ATMIO_FLAG_NOTX))
patm_tx_vcc_open(sc, vcc);
if (!(vcc->vcc.flags & ATMIO_FLAG_NORX))
patm_rx_vcc_open(sc, vcc);
if (!reload) {
/* inform management about non-NG and NG-PVCs */
if (!(vcc->vcc.flags & ATMIO_FLAG_NG) ||
(vcc->vcc.flags & ATMIO_FLAG_PVC))
ATMEV_SEND_VCC_CHANGED(&sc->ifatm, vcc->vcc.vpi,
vcc->vcc.vci, 1);
}
patm_debug(sc, VCC, "Open VCC: now open");
}
/*
* Try to close the given VCC
*/

4
sys/dev/patm/if_patmvar.h
View File

@ -196,6 +196,7 @@ struct patm_vcc {
uint32_t opackets; /* packets sent */
uint64_t ibytes; /* bytes received */
uint64_t obytes; /* bytes sent */
struct mbuf *chain; /* currently received chain */
struct mbuf *last; /* end of chain */
u_int cid; /* index */
@ -382,6 +383,9 @@ void patm_intr(void *);
/* check RSQ */
void patm_intr_rsq(struct patm_softc *sc);
/* enable the vcc */
void patm_load_vc(struct patm_softc *sc, struct patm_vcc *vcc, int reload);
/* close the given vcc for transmission */
void patm_tx_vcc_close(struct patm_softc *, struct patm_vcc *);