dev/en/midway.c

208 static void en_close_finish(struct en_softc *sc, struct en_vcc *vc);
968 	struct en_vcc *vc;
983 		    (vc = sc->vccs[vci]) == NULL ||
984 		    (vc->vflags & VCC_CLOSE_RX)) {
990 		if (vc->vcc.aal == ATMIO_AAL_5)
1051 			    vc->txspeed, m->m_pkthdr.len / MID_ATMDATASZ));
1090 		tx = vc->txslot;
1135  * en_loadvc: load a vc tab entry from a slot
1140 en_loadvc(struct en_softc *sc, struct en_vcc *vc)
1142 	uint32_t reg = en_read(sc, MID_VC(vc->vcc.vci));
1145 	en_write(sc, MID_VC(vc->vcc.vci), reg);
1151 	en_write(sc, MID_DST_RP(vc->vcc.vci), 0);
1153 	en_write(sc, MID_WP_ST_CNT(vc->vcc.vci), 0);
1155 	en_write(sc, MID_VC(vc->vcc.vci), vc->rxslot->mode);
1157 	vc->rxslot->cur = vc->rxslot->start;
1159 	DBG(sc, VC, ("rx%td: assigned to VCI %d", vc->rxslot - sc->rxslot,
1160 	    vc->vcc.vci));
1173 	struct en_vcc *vc;
1182 	vc = uma_zalloc(en_vcc_zone, M_NOWAIT | M_ZERO);
1183 	if (vc == NULL)
1202 	vc->rxslot = slot;
1203 	vc->rxhand = op->rxhand;
1204 	vc->vcc = op->param;
1209 	slot->vcc = vc;
1213 	    vc->rxslot - sc->rxslot));
1215 	vc->txspeed = 0;
1216 	vc->txslot = sc->txslot;
1217 	vc->txslot->nref++;	/* bump reference count */
1219 	en_loadvc(sc, vc);	/* does debug printf for us */
1222 	sc->vccs[vc->vcc.vci] = vc;
1223 	vc = NULL;
1227 	if (vc != NULL)
1228 		uma_zfree(en_vcc_zone, vc);
1238 en_close_finish(struct en_softc *sc, struct en_vcc *vc)
1241 	if (vc->rxslot != NULL)
1242 		vc->rxslot->vcc = NULL;
1244 	DBG(sc, VC, ("vci: %u free (%p)", vc->vcc.vci, vc));
1246 	sc->vccs[vc->vcc.vci] = NULL;
1247 	uma_zfree(en_vcc_zone, vc);
1258 	struct en_vcc *vc;
1267 	if ((vc = sc->vccs[cl->vci]) == NULL) {
1275 	if (vc->rxslot == NULL) {
1279 	if (vc->vflags & VCC_DRAIN) {
1290 	vc->rxslot->mode = newmode;
1292 	vc->txslot->nref--;
1295 	if (_IF_QLEN(&vc->rxslot->indma) == 0 &&
1296 	    _IF_QLEN(&vc->rxslot->q) == 0 &&
1297 	    (vc->vflags & VCC_SWSL) == 0) {
1298 		en_close_finish(sc, vc);
1302 	vc->vflags |= VCC_DRAIN;
1305 	if (vc->vcc.flags & ATMIO_FLAG_ASYNC)
1308 	vc->vflags |= VCC_CLOSE_RX;
1310 	    (vc->vflags & VCC_DRAIN))
1313 	en_close_finish(sc, vc);
1431 	int vc, slot;
1452 	 * init obmem data structures: vc tab, dma q's, slist.
1499 	for (vc = 0; vc < MID_N_VC; vc++)
1500 		if (sc->vccs[vc] != NULL)
1501 			en_loadvc(sc, sc->vccs[vc]);
1764 	struct en_vcc *vc;
1773 		if ((vc = sc->vccs[vci]) == NULL ||
1774 		    (vc->vcc.flags & ATMIO_FLAG_NORX)) {
1781 		en_write(sc, MID_VC(vci), vc->rxslot->mode);
1787 		if ((vc->vflags & VCC_SWSL) == 0) {
1790 			vc->vflags |= VCC_SWSL;
1807 	struct en_vcc *vc;
1820 	if ((vc = slot->vcc) == NULL) {
1828 	if (vc->vflags & VCC_DRAIN) {
1833 		    (en_read(sc, MID_VC(vc->vcc.vci)) & MIDV_INSERVICE) == 0 &&
1834 		    (vc->vflags & VCC_SWSL) == 0) {
1835 			vc->vflags &= ~VCC_CLOSE_RX;
1836 			if (vc->vcc.flags & ATMIO_FLAG_ASYNC)
1837 				en_close_finish(sc, vc);
1845 		ATM_PH_FLAGS(&ah) = vc->vcc.flags;
1847 		ATM_PH_SETVCI(&ah, vc->vcc.vci);
1850 		    "hand %p", slot - sc->rxslot, vc->vcc.vci, m,
1851 		    EN_DQ_LEN(drq), vc->rxhand));
1856 		vc->ipackets++;
1857 		vc->ibytes += m->m_pkthdr.len;
1867 		atm_input(sc->ifp, &ah, m, vc->rxhand);
1971 	struct en_vcc *vc;	/* vc we are receiving on */
1987 	struct en_rxslot *slot = rx->vc->rxslot;
2023 	    MID_MK_RXQ_ENI(COUNT, rx->vc->vcc.vci, 0, BCODE) :		\
2024 	    MID_MK_RXQ_ADP(COUNT, rx->vc->vcc.vci, 0, BCODE));		\
2175 	struct en_vcc *vc;
2188 	rx.vc = vc = sc->vccs[sc->swslist[sc->swsl_head]];
2189 	slot = vc->rxslot;
2196 	    "0x%x", slot - sc->rxslot, vc->vcc.vci, slot->start,
2202 	dstart = MIDV_DSTART(en_read(sc, MID_DST_RP(vc->vcc.vci)));
2209 		vc->vflags &= ~VCC_SWSL;
2212 		    slot - sc->rxslot, vc->vcc.vci));
2231 	} else if (vc->vcc.aal != ATMIO_AAL_5) {
2315 	    slot - sc->rxslot, vc->vcc.vci, m, mlen, rx.pre_skip,
2384 		    vc->vcc.vci, MID_DMA_END, MIDDMA_JK));
2388 		    vc->vcc.vci, MID_DMA_END, MIDDMA_JK));