brocade/bna/bnad.c

88 /* Caller should ensure that the entry at unmap_q[index] is valid */
91 			      struct bnad_tx_unmap *unmap_q,
98 	unmap = &unmap_q[index];
116 			unmap = &unmap_q[index];
140 	struct bnad_tx_unmap *unmap_q = tcb->unmap_q;
145 		skb = unmap_q[i].skb;
148 		bnad_tx_buff_unmap(bnad, unmap_q, tcb->q_depth, i);
164 	struct bnad_tx_unmap *unmap_q = tcb->unmap_q;
181 		unmap = &unmap_q[cons];
191 		cons = bnad_tx_buff_unmap(bnad, unmap_q, q_depth, cons);
250 	struct bnad_rx_unmap_q *unmap_q = rcb->unmap_q;
252 	unmap_q->reuse_pi = -1;
253 	unmap_q->alloc_order = -1;
254 	unmap_q->map_size = 0;
255 	unmap_q->type = BNAD_RXBUF_NONE;
262 	struct bnad_rx_unmap_q *unmap_q = rcb->unmap_q;
269 	unmap_q->type = BNAD_RXBUF_PAGE;
272 		unmap_q->alloc_order = 0;
273 		unmap_q->map_size = rcb->rxq->buffer_size;
276 			unmap_q->alloc_order = 0;
277 			unmap_q->map_size = rcb->rxq->buffer_size;
278 			unmap_q->type = BNAD_RXBUF_MULTI_BUFF;
280 			unmap_q->alloc_order = order;
281 			unmap_q->map_size =
287 	BUG_ON((PAGE_SIZE << order) % unmap_q->map_size);
325 	struct bnad_rx_unmap_q *unmap_q = rcb->unmap_q;
329 		struct bnad_rx_unmap *unmap = &unmap_q->unmap[i];
331 		if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
343 	struct bnad_rx_unmap_q *unmap_q = rcb->unmap_q;
353 	alloc_size = PAGE_SIZE << unmap_q->alloc_order;
357 		unmap = &unmap_q->unmap[prod];
359 		if (unmap_q->reuse_pi < 0) {
361 					unmap_q->alloc_order);
364 			prev = &unmap_q->unmap[unmap_q->reuse_pi];
366 			page_offset = prev->page_offset + unmap_q->map_size;
377 					unmap_q->map_size, DMA_FROM_DEVICE);
388 		unmap->vector.len = unmap_q->map_size;
389 		page_offset += unmap_q->map_size;
392 			unmap_q->reuse_pi = prod;
394 			unmap_q->reuse_pi = -1;
417 	struct bnad_rx_unmap_q *unmap_q = rcb->unmap_q;
429 		unmap = &unmap_q->unmap[prod];
472 	struct bnad_rx_unmap_q *unmap_q = rcb->unmap_q;
479 	if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
503 	struct bnad_rx_unmap_q *unmap_q;
507 	unmap_q = rcb->unmap_q;
509 		unmap = &unmap_q->unmap[ci];
512 		if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
524 	struct bnad_rx_unmap_q *unmap_q;
533 	unmap_q = rcb->unmap_q;
538 	prefetch(page_address(unmap_q->unmap[ci].page) +
539 		 unmap_q->unmap[ci].page_offset);
545 		unmap = &unmap_q->unmap[ci];
592 	struct bnad_rx_unmap_q *unmap_q;
625 		unmap_q = rcb->unmap_q;
630 		if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type)) {
631 			unmap = &unmap_q->unmap[sop_ci];
648 		if (BNAD_RXBUF_IS_MULTI_BUFF(unmap_q->type) &&
690 		if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
715 		if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
2919 	struct bnad_tx_unmap *unmap_q, *unmap, *head_unmap;
2960 	unmap_q = tcb->unmap_q;
3002 	head_unmap = &unmap_q[prod];
3035 			bnad_tx_buff_unmap(bnad, unmap_q, q_depth,
3050 			unmap = &unmap_q[prod];
3057 			bnad_tx_buff_unmap(bnad, unmap_q, q_depth,
3074 		bnad_tx_buff_unmap(bnad, unmap_q, q_depth, tcb->producer_index);