155 struct mbuf *	tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di,
196 tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync)  in tulip_dequeue_mbuf()  argument
206 	    TULIP_RXMAP_POSTSYNC(ri, di);  in tulip_dequeue_mbuf()
209 	    TULIP_TXMAP_POSTSYNC(ri, di);  in tulip_dequeue_mbuf()
214 	bus_dmamap_unload(ri->ri_data_tag, *di->di_map);  in tulip_dequeue_mbuf()
3144     tulip_ringinfo_t *ri;  in tulip_reset()  local
3189     ri = &sc->tulip_txinfo;  in tulip_reset()
3190     for (di = ri->ri_first; di < ri->ri_last; di++) {  in tulip_reset()
3191 	m = tulip_dequeue_mbuf(ri, di, SYNC_NONE);  in tulip_reset()
3197     ri->ri_nextin = ri->ri_nextout = ri->ri_first;  in tulip_reset()
3198     ri->ri_free = ri->ri_max;  in tulip_reset()
3199     TULIP_TXDESC_PRESYNC(ri);  in tulip_reset()
3208     ri = &sc->tulip_rxinfo;  in tulip_reset()
3209     ri->ri_nextin = ri->ri_nextout = ri->ri_first;  in tulip_reset()
3210     ri->ri_free = ri->ri_max;  in tulip_reset()
3211     for (di = ri->ri_first; di < ri->ri_last; di++) {  in tulip_reset()
3216     TULIP_RXDESC_PRESYNC(ri);  in tulip_reset()
3217     for (di = ri->ri_first; di < ri->ri_last; di++) {  in tulip_reset()
3218 	m = tulip_dequeue_mbuf(ri, di, SYNC_NONE);  in tulip_reset()
3323     tulip_ringinfo_t * const ri = &sc->tulip_rxinfo;  in tulip_rx_intr()
3334 	tulip_descinfo_t *eop = ri->ri_nextin, *dip;  in tulip_rx_intr()
3340 	if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET)  in tulip_rx_intr()
3344 	if (cnt == ri->ri_max)  in tulip_rx_intr()
3351 	if (eop == ri->ri_nextout)  in tulip_rx_intr()
3358 	TULIP_RXDESC_POSTSYNC(ri);  in tulip_rx_intr()
3360 	    ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX);  in tulip_rx_intr()
3363 		eop - ri->ri_first);  in tulip_rx_intr()
3365 	    ri->ri_free++;  in tulip_rx_intr()
3382 		if (++eop == ri->ri_last)  in tulip_rx_intr()
3383 		    eop = ri->ri_first;  in tulip_rx_intr()
3384 		TULIP_RXDESC_POSTSYNC(ri);  in tulip_rx_intr()
3385 		if (eop == ri->ri_nextout || DESC_STATUS(eop) & TULIP_DSTS_OWNER) {  in tulip_rx_intr()
3407 	    ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX);  in tulip_rx_intr()
3410 		dip - ri->ri_first);  in tulip_rx_intr()
3411 	    ri->ri_free++;  in tulip_rx_intr()
3415 		if (++dip == ri->ri_last)  in tulip_rx_intr()
3416 		    dip = ri->ri_first;  in tulip_rx_intr()
3417 		me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX);  in tulip_rx_intr()
3418 		ri->ri_free++;  in tulip_rx_intr()
3422 		    me, dip - ri->ri_first);  in tulip_rx_intr()
3482 	if (++eop == ri->ri_last)  in tulip_rx_intr()
3483 	    eop = ri->ri_first;  in tulip_rx_intr()
3484 	ri->ri_nextin = eop;  in tulip_rx_intr()
3554 	    tulip_descinfo_t * const nextout = ri->ri_nextout;  in tulip_rx_intr()
3560 	    error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms,  in tulip_rx_intr()
3571 		ms, nextout - ri->ri_first);  in tulip_rx_intr()
3572 	    TULIP_RXDESC_POSTSYNC(ri);  in tulip_rx_intr()
3573 	    if (++ri->ri_nextout == ri->ri_last)  in tulip_rx_intr()
3574 		ri->ri_nextout = ri->ri_first;  in tulip_rx_intr()
3575 	    ri->ri_free--;  in tulip_rx_intr()
3580 	if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET)  in tulip_rx_intr()
3596     tulip_ringinfo_t * const ri = &sc->tulip_txinfo;  in tulip_tx_intr()
3603     while (ri->ri_free < ri->ri_max) {  in tulip_tx_intr()
3606 	TULIP_TXDESC_POSTSYNC(ri);  in tulip_tx_intr()
3607 	if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER)  in tulip_tx_intr()
3610 	ri->ri_free++;  in tulip_tx_intr()
3612 	d_flag = DESC_FLAG(ri->ri_nextin);  in tulip_tx_intr()
3617 		    ri->ri_nextin - ri->ri_first, DESC_STATUS(ri->ri_nextin));  in tulip_tx_intr()
3628 		if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT)  in tulip_tx_intr()
3642 		const u_int32_t d_status = DESC_STATUS(ri->ri_nextin);  in tulip_tx_intr()
3644 		m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX);  in tulip_tx_intr()
3647 		    ri->ri_nextin - ri->ri_first);  in tulip_tx_intr()
3718 	if (++ri->ri_nextin == ri->ri_last)  in tulip_tx_intr()
3719 	    ri->ri_nextin = ri->ri_first;  in tulip_tx_intr()
3728     if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))  in tulip_tx_intr()
3895     tulip_ringinfo_t * const ri = &sc->tulip_txinfo;  in tulip_txput()
3942     eop = nextout = ri->ri_nextout;  in tulip_txput()
3944     free = ri->ri_free;  in tulip_txput()
3963     error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, segs,  in tulip_txput()
3982 	    error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m,  in tulip_txput()
4015 	bus_dmamap_unload(ri->ri_data_tag, *eop->di_map);  in tulip_txput()
4027 	if (++nextout == ri->ri_last)  in tulip_txput()
4028 	    nextout = ri->ri_first;  in tulip_txput()
4038 	if (++nextout == ri->ri_last)  in tulip_txput()
4039 	    nextout = ri->ri_first;  in tulip_txput()
4050     if (eop != ri->ri_nextout) {  in tulip_txput()
4052 	    eop->di_map = ri->ri_nextout->di_map;  in tulip_txput()
4053 	    ri->ri_nextout->di_map = map;  in tulip_txput()
4067 	m, ri->ri_nextout - ri->ri_first, eop - ri->ri_first);  in tulip_txput()
4070     TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout);  in tulip_txput()
4079     TULIP_TXDESC_PRESYNC(ri);  in tulip_txput()
4092     ri->ri_nextout->di_desc->d_flag |= TULIP_DFLAG_TxFIRSTSEG;  in tulip_txput()
4093     TULIP_TXDESC_PRESYNC(ri);  in tulip_txput()
4094     ri->ri_nextout->di_desc->d_status = TULIP_DSTS_OWNER;  in tulip_txput()
4095     TULIP_TXDESC_PRESYNC(ri);  in tulip_txput()
4100     ri->ri_nextout = nextout;  in tulip_txput()
4101     ri->ri_free = free;  in tulip_txput()
4155     tulip_ringinfo_t * const ri = &sc->tulip_txinfo;  in tulip_txput_setup()  local
4174     if (ri->ri_free < 2)  in tulip_txput_setup()
4176     if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {  in tulip_txput_setup()
4187     ri->ri_free--;  in tulip_txput_setup()
4188     nextout = ri->ri_nextout->di_desc;  in tulip_txput_setup()
4203     TULIP_TXDESC_PRESYNC(ri);  in tulip_txput_setup()
4205 	ri->ri_nextout - ri->ri_first);  in tulip_txput_setup()
4210     if (++ri->ri_nextout == ri->ri_last)  in tulip_txput_setup()
4211 	ri->ri_nextout = ri->ri_first;  in tulip_txput_setup()
4218     ri->ri_nextout->di_desc->d_status = 0;  in tulip_txput_setup()
4219     TULIP_TXDESC_PRESYNC(ri);  in tulip_txput_setup()
4224     TULIP_TXDESC_PRESYNC(ri);  in tulip_txput_setup()
4436 tulip_busdma_freering(tulip_ringinfo_t *ri)  in tulip_busdma_freering()  argument
4441     if (ri->ri_data_maps != NULL) {  in tulip_busdma_freering()
4442 	for (i = 0; i < ri->ri_max; i++) {  in tulip_busdma_freering()
4443 	    if (ri->ri_data_maps[i] != NULL) {  in tulip_busdma_freering()
4444 		bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]);  in tulip_busdma_freering()
4445 		ri->ri_data_maps[i] = NULL;  in tulip_busdma_freering()
4448 	free(ri->ri_data_maps, M_DEVBUF);  in tulip_busdma_freering()
4449 	ri->ri_data_maps = NULL;  in tulip_busdma_freering()
4451     if (ri->ri_data_tag != NULL) {  in tulip_busdma_freering()
4452 	bus_dma_tag_destroy(ri->ri_data_tag);  in tulip_busdma_freering()
4453 	ri->ri_data_tag = NULL;  in tulip_busdma_freering()
4457     if (ri->ri_dma_addr != 0) {  in tulip_busdma_freering()
4458 	bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map);  in tulip_busdma_freering()
4459 	ri->ri_dma_addr = 0;  in tulip_busdma_freering()
4461     if (ri->ri_descs != NULL) {  in tulip_busdma_freering()
4462 	bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map);  in tulip_busdma_freering()
4463 	ri->ri_ring_map = NULL;  in tulip_busdma_freering()
4464 	ri->ri_descs = NULL;  in tulip_busdma_freering()
4466     if (ri->ri_ring_tag != NULL) {  in tulip_busdma_freering()
4467 	bus_dma_tag_destroy(ri->ri_ring_tag);  in tulip_busdma_freering()
4468 	ri->ri_ring_tag = NULL;  in tulip_busdma_freering()
4475     bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name)  in tulip_busdma_allocring()  argument
4481     ri->ri_max = count;  in tulip_busdma_allocring()
4486 	&ri->ri_ring_tag);  in tulip_busdma_allocring()
4494     error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs,  in tulip_busdma_allocring()
4495 	BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map);  in tulip_busdma_allocring()
4503     error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs,  in tulip_busdma_allocring()
4504 	size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT);  in tulip_busdma_allocring()
4514 	MCLBYTES * nsegs, nsegs, MCLBYTES, 0, NULL, NULL, &ri->ri_data_tag);  in tulip_busdma_allocring()
4521     ri->ri_data_maps = malloc(sizeof(bus_dmamap_t) * count, M_DEVBUF,  in tulip_busdma_allocring()
4524     	error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]);  in tulip_busdma_allocring()
4643     tulip_ringinfo_t * const ri,  in tulip_initring()  argument
4648     ri->ri_descinfo = malloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF,  in tulip_initring()
4651 	ri->ri_descinfo[i].di_desc = &ri->ri_descs[i];  in tulip_initring()
4652 	ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i];  in tulip_initring()
4654     ri->ri_first = ri->ri_descinfo;  in tulip_initring()
4655     ri->ri_max = ndescs;  in tulip_initring()
4656     ri->ri_last = ri->ri_first + ri->ri_max;  in tulip_initring()
4657     bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max);  in tulip_initring()
4658     ri->ri_last[-1].di_desc->d_flag = TULIP_DFLAG_ENDRING;  in tulip_initring()
4921     tulip_ringinfo_t *ri;  in tulip_dumpring()  local
4937 	ri = &sc->tulip_rxinfo;  in tulip_dumpring()
4941 	ri = &sc->tulip_txinfo;  in tulip_dumpring()
4949 	ri->ri_nextin - ri->ri_first, ri->ri_nextout - ri->ri_first,  in tulip_dumpring()
4950 	ri->ri_max, ri->ri_free);  in tulip_dumpring()
4951     for (di = ri->ri_first; di != ri->ri_last; di++) {  in tulip_dumpring()
4953 	    db_printf(" descriptor %td: mbuf %p\n", di - ri->ri_first,  in tulip_dumpring()
4956 	    db_printf(" descriptor %td: setup packet\n", di - ri->ri_first);  in tulip_dumpring()
4964     tulip_ringinfo_t *ri;  in tulip_dumpdesc()  local
4981 	ri = &sc->tulip_rxinfo;  in tulip_dumpdesc()
4985 	ri = &sc->tulip_txinfo;  in tulip_dumpdesc()
4992     if (desc < 0 || desc >= ri->ri_max) {  in tulip_dumpdesc()
4998     di = &ri->ri_first[desc];  in tulip_dumpdesc()