dev/bwn/if_bwn.c

660 		| IEEE80211_C_SHSLOT		/* short slot time supported */
1047 #define	BWN_GET_TXHDRCACHE(slot)					\
1048 	&(txhdr_cache[(slot / BWN_TX_SLOTS_PER_FRAME) * BWN_HDRSIZE(mac)])
1056 	int error, slot, backup[2] = { dr->dr_curslot, dr->dr_usedslot };
1064 	slot = bwn_dma_getslot(dr);
1065 	dr->getdesc(dr, slot, &desc, &mt);
1070 	    (struct bwn_txhdr *)BWN_GET_TXHDRCACHE(slot),
1071 	    BWN_DMA_COOKIE(dr, slot));
1075 	    BWN_GET_TXHDRCACHE(slot), BWN_HDRSIZE(mac), bwn_dma_ring_addr,
1088 	slot = bwn_dma_getslot(dr);
1089 	dr->getdesc(dr, slot, &desc, &mt);
1132 	dr->start_transfer(dr, bwn_dma_nextslot(dr, slot));
1688  * Callback from the 802.11 layer to update the slot time
1691  * like slot time and preamble.
2844 bwn_dma_32_getdesc(struct bwn_dma_ring *dr, int slot,
2849 	*meta = &(dr->dr_meta[slot]);
2851 	desc = &(desc[slot]);
2864 	int slot;
2866 	slot = (int)(&(desc->dma.dma32) - descbase);
2867 	KASSERT(slot >= 0 && slot < dr->dr_numslots,
2874 	if (slot == dr->dr_numslots - 1)
2890 bwn_dma_32_start_transfer(struct bwn_dma_ring *dr, int slot)
2894 	    (uint32_t)(slot * sizeof(struct bwn_dmadesc32)));
2925 bwn_dma_32_set_curslot(struct bwn_dma_ring *dr, int slot)
2929 	    (uint32_t) (slot * sizeof(struct bwn_dmadesc32)));
2933 bwn_dma_64_getdesc(struct bwn_dma_ring *dr, int slot,
2938 	*meta = &(dr->dr_meta[slot]);
2940 	desc = &(desc[slot]);
2952 	int slot;
2957 	slot = (int)(&(desc->dma.dma64) - descbase);
2958 	KASSERT(slot >= 0 && slot < dr->dr_numslots,
2966 	if (slot == dr->dr_numslots - 1)
2985 bwn_dma_64_start_transfer(struct bwn_dma_ring *dr, int slot)
2989 	    (uint32_t)(slot * sizeof(struct bwn_dmadesc64)));
3020 bwn_dma_64_set_curslot(struct bwn_dma_ring *dr, int slot)
3024 	    (uint32_t)(slot * sizeof(struct bwn_dmadesc64)));
4411 	int slot, tmp;
4414 	slot = BWN_READ_2(mac, BWN_RNG) &
4428 	params[BWN_WMEPARAM_BSLOTS] = slot;
4429 	params[BWN_WMEPARAM_REGGAP] = slot + p->wmep_aifsn;
5172 	int slot, curslot;
5179 	slot = dr->dr_curslot;
5180 	for (; slot != curslot; slot = bwn_dma_nextslot(dr, slot))
5181 		bwn_dma_rxeof(dr, &slot);
5186 	dr->set_curslot(dr, slot);
5187 	dr->dr_curslot = slot;
5332 bwn_dma_nextslot(struct bwn_dma_ring *dr, int slot)
5336 	KASSERT(slot >= -1 && slot <= dr->dr_numslots - 1,
5338 	if (slot == dr->dr_numslots - 1)
5340 	return (slot + 1);
5344 bwn_dma_rxeof(struct bwn_dma_ring *dr, int *slot)
5358 	dr->getdesc(dr, *slot, &desc, &meta);
5384 			dr->getdesc(dr, *slot, &desc, &meta);
5388 			*slot = bwn_dma_nextslot(dr, *slot);
5900 	int slot;
5905 	dr = bwn_dma_parse_cookie(mac, status, status->cookie, &slot);
5913 		KASSERT(slot >= 0 && slot < dr->dr_numslots,
5915 		dr->getdesc(dr, slot, &desc, &meta);
5954 		slot = bwn_dma_nextslot(dr, slot);
6702 	int slot;
6710 	slot = bwn_dma_nextslot(dr, dr->dr_curslot);
6711 	KASSERT(!(slot & ~0x0fff), ("%s:%d: fail", __func__, __LINE__));
6712 	dr->dr_curslot = slot;
6715 	return (slot);
7050     uint16_t cookie, int *slot)
7079 	*slot = (cookie & 0x0fff);
7080 	if (*slot < 0 || *slot >= dr->dr_numslots) {
7089 		    "out of slot ranges (0 < %d < %d)\n", *slot,