86 					  int slot,  in op32_idx2desc()  argument
91 	*meta = &(ring->meta[slot]);  in op32_idx2desc()
93 	desc = &(desc[slot]);  in op32_idx2desc()
104 	int slot;  in op32_fill_descriptor()  local
109 	slot = (int)(&(desc->dma32) - descbase);  in op32_fill_descriptor()
110 	B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));  in op32_fill_descriptor()
116 	if (slot == ring->nr_slots - 1)  in op32_fill_descriptor()
131 static void op32_poke_tx(struct b43_dmaring *ring, int slot)  in op32_poke_tx()  argument
134 		      (u32) (slot * sizeof(struct b43_dmadesc32)));  in op32_poke_tx()
159 static void op32_set_current_rxslot(struct b43_dmaring *ring, int slot)  in op32_set_current_rxslot()  argument
162 		      (u32) (slot * sizeof(struct b43_dmadesc32)));  in op32_set_current_rxslot()
178 					  int slot,  in op64_idx2desc()  argument
183 	*meta = &(ring->meta[slot]);  in op64_idx2desc()
185 	desc = &(desc[slot]);  in op64_idx2desc()
196 	int slot;  in op64_fill_descriptor()  local
201 	slot = (int)(&(desc->dma64) - descbase);  in op64_fill_descriptor()
202 	B43_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));  in op64_fill_descriptor()
208 	if (slot == ring->nr_slots - 1)  in op64_fill_descriptor()
226 static void op64_poke_tx(struct b43_dmaring *ring, int slot)  in op64_poke_tx()  argument
229 		      (u32) (slot * sizeof(struct b43_dmadesc64)));  in op64_poke_tx()
254 static void op64_set_current_rxslot(struct b43_dmaring *ring, int slot)  in op64_set_current_rxslot()  argument
257 		      (u32) (slot * sizeof(struct b43_dmadesc64)));  in op64_set_current_rxslot()
275 static inline int next_slot(struct b43_dmaring *ring, int slot)  in next_slot()  argument
277 	B43_WARN_ON(!(slot >= -1 && slot <= ring->nr_slots - 1));  in next_slot()
278 	if (slot == ring->nr_slots - 1)  in next_slot()
280 	return slot + 1;  in next_slot()
283 static inline int prev_slot(struct b43_dmaring *ring, int slot)  in prev_slot()  argument
285 	B43_WARN_ON(!(slot >= 0 && slot <= ring->nr_slots - 1));  in prev_slot()
286 	if (slot == 0)  in prev_slot()
288 	return slot - 1;  in prev_slot()
315 	int slot;  in request_slot()  local
321 	slot = next_slot(ring, ring->current_slot);  in request_slot()
322 	ring->current_slot = slot;  in request_slot()
327 	return slot;  in request_slot()
1198 static u16 generate_cookie(struct b43_dmaring *ring, int slot)  in generate_cookie()  argument
1211 	B43_WARN_ON(slot & ~0x0FFF);  in generate_cookie()
1212 	cookie |= (u16)slot;  in generate_cookie()
1219 struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)  in parse_cookie()  argument
1241 	*slot = (cookie & 0x0FFF);  in parse_cookie()
1242 	if (unlikely(!ring || *slot < 0 || *slot >= ring->nr_slots)) {  in parse_cookie()
1258 	int slot, old_top_slot, old_used_slots;  in dma_tx_fragment()  local
1275 	slot = request_slot(ring);  in dma_tx_fragment()
1276 	desc = ops->idx2desc(ring, slot, &meta_hdr);  in dma_tx_fragment()
1279 	header = &(ring->txhdr_cache[(slot / TX_SLOTS_PER_FRAME) * hdrsize]);  in dma_tx_fragment()
1280 	cookie = generate_cookie(ring, slot);  in dma_tx_fragment()
1300 	slot = request_slot(ring);  in dma_tx_fragment()
1301 	desc = ops->idx2desc(ring, slot, &meta);  in dma_tx_fragment()
1341 	ops->poke_tx(ring, next_slot(ring, slot));  in dma_tx_fragment()
1484 	int slot, firstused;  in b43_dma_handle_txstatus()  local
1489 	ring = parse_cookie(dev, status->cookie, &slot);  in b43_dma_handle_txstatus()
1502 	if (unlikely(slot != firstused)) {  in b43_dma_handle_txstatus()
1506 		if (slot == next_slot(ring, next_slot(ring, firstused))) {  in b43_dma_handle_txstatus()
1510 			slot = firstused;  in b43_dma_handle_txstatus()
1516 				       ring->index, slot);  in b43_dma_handle_txstatus()
1526 				       ring->index, firstused, slot);  in b43_dma_handle_txstatus()
1534 		B43_WARN_ON(slot < 0 || slot >= ring->nr_slots);  in b43_dma_handle_txstatus()
1536 		ops->idx2desc(ring, slot, &meta);  in b43_dma_handle_txstatus()
1541 			       slot, firstused, ring->index);  in b43_dma_handle_txstatus()
1567 				       slot, firstused, ring->index);  in b43_dma_handle_txstatus()
1606 				       slot, firstused, ring->index);  in b43_dma_handle_txstatus()
1619 		slot = next_slot(ring, slot);  in b43_dma_handle_txstatus()
1642 static void dma_rx(struct b43_dmaring *ring, int *slot)  in dma_rx()  argument
1653 	desc = ops->idx2desc(ring, *slot, &meta);  in dma_rx()
1690 			desc = ops->idx2desc(ring, *slot, &meta);  in dma_rx()
1695 			*slot = next_slot(ring, *slot);  in dma_rx()
1750 	int slot, current_slot;  in b43_dma_rx()  local
1757 	slot = ring->current_slot;  in b43_dma_rx()
1758 	for (; slot != current_slot; slot = next_slot(ring, slot)) {  in b43_dma_rx()
1759 		dma_rx(ring, &slot);  in b43_dma_rx()
1763 	ops->set_current_rxslot(ring, slot);  in b43_dma_rx()
1764 	ring->current_slot = slot;  in b43_dma_rx()