broadcom/b43/dma.c

74 					  struct b43_dmadesc_meta **meta)
78 	*meta = &(ring->meta[slot]);
166 					  struct b43_dmadesc_meta **meta)
170 	*meta = &(ring->meta[slot]);
396 				struct b43_dmadesc_meta *meta)
398 	if (meta->skb) {
400 			ieee80211_free_txskb(ring->dev->wl->hw, meta->skb);
402 			dev_kfree_skb_any(meta->skb);
403 		meta->skb = NULL;
594 			       struct b43_dmadesc_meta *meta, gfp_t gfp_flags)
625 	meta->skb = skb;
626 	meta->dmaaddr = dmaaddr;
640 	struct b43_dmadesc_meta *meta;
643 		desc = ring->ops->idx2desc(ring, i, &meta);
645 		err = setup_rx_descbuffer(ring, desc, meta, GFP_KERNEL);
660 		desc = ring->ops->idx2desc(ring, i, &meta);
662 		unmap_descbuffer(ring, meta->dmaaddr, ring->rx_buffersize, 0);
663 		dev_kfree_skb(meta->skb);
776 	struct b43_dmadesc_meta *meta;
782 		/* get meta - ignore returned value */
783 		ring->ops->idx2desc(ring, i, &meta);
785 		if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
790 			unmap_descbuffer(ring, meta->dmaaddr,
791 					 meta->skb->len, 1);
793 			unmap_descbuffer(ring, meta->dmaaddr,
796 		free_descriptor_buffer(ring, meta);
849 	ring->meta = kcalloc(ring->nr_slots, sizeof(struct b43_dmadesc_meta),
851 	if (!ring->meta)
854 		ring->meta->skb = B43_DMA_PTR_POISON;
947 	kfree(ring->meta);
1008 	kfree(ring->meta);
1199 	struct b43_dmadesc_meta *meta;
1239 	desc = ops->idx2desc(ring, slot, &meta);
1240 	memset(meta, 0, sizeof(*meta));
1242 	meta->skb = skb;
1243 	meta->is_last_fragment = true;
1246 	meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
1248 	if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
1258 		meta->dmaaddr = map_descbuffer(ring, priv_info->bouncebuffer, skb->len, 1);
1259 		if (b43_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) {
1269 	ops->fill_descriptor(ring, desc, meta->dmaaddr, skb->len, 0, 1, 1);
1419 	struct b43_dmadesc_meta *meta;
1475 		/* get meta - ignore returned value */
1476 		ops->idx2desc(ring, slot, &meta);
1478 		if (b43_dma_ptr_is_poisoned(meta->skb)) {
1485 		if (meta->skb) {
1487 			     b43_get_priv_tx_info(IEEE80211_SKB_CB(meta->skb));
1489 			unmap_descbuffer(ring, meta->dmaaddr,
1490 					 meta->skb->len, 1);
1494 			unmap_descbuffer(ring, meta->dmaaddr,
1498 		if (meta->is_last_fragment) {
1501 			if (unlikely(!meta->skb)) {
1511 			info = IEEE80211_SKB_CB(meta->skb);
1534 			ieee80211_tx_status_skb(dev->wl->hw, meta->skb);
1538 			meta->skb = B43_DMA_PTR_POISON;
1543 			if (unlikely(meta->skb)) {
1554 		if (meta->is_last_fragment && !skip) {
1586 	struct b43_dmadesc_meta *meta;
1593 	desc = ops->idx2desc(ring, *slot, &meta);
1595 	sync_descbuffer_for_cpu(ring, meta->dmaaddr, ring->rx_buffersize);
1596 	skb = meta->skb;
1609 			dmaaddr = meta->dmaaddr;
1617 		dmaaddr = meta->dmaaddr;
1630 			desc = ops->idx2desc(ring, *slot, &meta);
1632 			b43_poison_rx_buffer(ring, meta->skb);
1633 			sync_descbuffer_for_device(ring, meta->dmaaddr,
1647 	dmaaddr = meta->dmaaddr;
1648 	err = setup_rx_descbuffer(ring, desc, meta, GFP_ATOMIC);