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path: root/drivers/net/ethernet/brocade/bna/bnad.c
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Diffstat (limited to 'drivers/net/ethernet/brocade/bna/bnad.c')
-rw-r--r--drivers/net/ethernet/brocade/bna/bnad.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c
index 21a0cfc3e7ec..771cc267f217 100644
--- a/drivers/net/ethernet/brocade/bna/bnad.c
+++ b/drivers/net/ethernet/brocade/bna/bnad.c
@@ -542,39 +542,50 @@ bnad_cq_drop_packet(struct bnad *bnad, struct bna_rcb *rcb,
}
static void
-bnad_cq_setup_skb_frags(struct bna_rcb *rcb, struct sk_buff *skb,
- u32 sop_ci, u32 nvecs, u32 last_fraglen)
+bnad_cq_setup_skb_frags(struct bna_ccb *ccb, struct sk_buff *skb, u32 nvecs)
{
+ struct bna_rcb *rcb;
struct bnad *bnad;
- u32 ci, vec, len, totlen = 0;
struct bnad_rx_unmap_q *unmap_q;
- struct bnad_rx_unmap *unmap;
+ struct bna_cq_entry *cq, *cmpl;
+ u32 ci, pi, totlen = 0;
+
+ cq = ccb->sw_q;
+ pi = ccb->producer_index;
+ cmpl = &cq[pi];
+ rcb = bna_is_small_rxq(cmpl->rxq_id) ? ccb->rcb[1] : ccb->rcb[0];
unmap_q = rcb->unmap_q;
bnad = rcb->bnad;
+ ci = rcb->consumer_index;
/* prefetch header */
- prefetch(page_address(unmap_q->unmap[sop_ci].page) +
- unmap_q->unmap[sop_ci].page_offset);
+ prefetch(page_address(unmap_q->unmap[ci].page) +
+ unmap_q->unmap[ci].page_offset);
+
+ while (nvecs--) {
+ struct bnad_rx_unmap *unmap;
+ u32 len;
- for (vec = 1, ci = sop_ci; vec <= nvecs; vec++) {
unmap = &unmap_q->unmap[ci];
BNA_QE_INDX_INC(ci, rcb->q_depth);
dma_unmap_page(&bnad->pcidev->dev,
- dma_unmap_addr(&unmap->vector, dma_addr),
- unmap->vector.len, DMA_FROM_DEVICE);
+ dma_unmap_addr(&unmap->vector, dma_addr),
+ unmap->vector.len, DMA_FROM_DEVICE);
- len = (vec == nvecs) ?
- last_fraglen : unmap->vector.len;
+ len = ntohs(cmpl->length);
skb->truesize += unmap->vector.len;
totlen += len;
skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags,
- unmap->page, unmap->page_offset, len);
+ unmap->page, unmap->page_offset, len);
unmap->page = NULL;
unmap->vector.len = 0;
+
+ BNA_QE_INDX_INC(pi, ccb->q_depth);
+ cmpl = &cq[pi];
}
skb->len += totlen;
@@ -704,7 +715,7 @@ bnad_cq_process(struct bnad *bnad, struct bna_ccb *ccb, int budget)
if (BNAD_RXBUF_IS_SK_BUFF(unmap_q->type))
bnad_cq_setup_skb(bnad, skb, unmap, len);
else
- bnad_cq_setup_skb_frags(rcb, skb, sop_ci, nvecs, len);
+ bnad_cq_setup_skb_frags(ccb, skb, nvecs);
rcb->rxq->rx_packets++;
rcb->rxq->rx_bytes += totlen;