diff options
Diffstat (limited to 'drivers/net/ethernet/hisilicon/hns3/hns3_enet.c')
| -rw-r--r-- | drivers/net/ethernet/hisilicon/hns3/hns3_enet.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c index a7f40aa1a0ea..6936384ee896 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c @@ -1107,6 +1107,10 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv, return ret; dma = dma_map_single(dev, skb->data, size, DMA_TO_DEVICE); + } else if (type == DESC_TYPE_FRAGLIST_SKB) { + struct sk_buff *skb = (struct sk_buff *)priv; + + dma = dma_map_single(dev, skb->data, size, DMA_TO_DEVICE); } else { frag = (skb_frag_t *)priv; dma = skb_frag_dma_map(dev, frag, 0, size, DMA_TO_DEVICE); @@ -1144,8 +1148,9 @@ static int hns3_fill_desc(struct hns3_enet_ring *ring, void *priv, /* The txbd's baseinfo of DESC_TYPE_PAGE & DESC_TYPE_SKB */ desc_cb->priv = priv; desc_cb->dma = dma + HNS3_MAX_BD_SIZE * k; - desc_cb->type = (type == DESC_TYPE_SKB && !k) ? - DESC_TYPE_SKB : DESC_TYPE_PAGE; + desc_cb->type = ((type == DESC_TYPE_FRAGLIST_SKB || + type == DESC_TYPE_SKB) && !k) ? + type : DESC_TYPE_PAGE; /* now, fill the descriptor */ desc->addr = cpu_to_le64(dma + HNS3_MAX_BD_SIZE * k); @@ -1354,7 +1359,9 @@ static void hns3_clear_desc(struct hns3_enet_ring *ring, int next_to_use_orig) ring_ptr_move_bw(ring, next_to_use); /* unmap the descriptor dma address */ - if (ring->desc_cb[ring->next_to_use].type == DESC_TYPE_SKB) + if (ring->desc_cb[ring->next_to_use].type == DESC_TYPE_SKB || + ring->desc_cb[ring->next_to_use].type == + DESC_TYPE_FRAGLIST_SKB) dma_unmap_single(dev, ring->desc_cb[ring->next_to_use].dma, ring->desc_cb[ring->next_to_use].length, @@ -1447,7 +1454,8 @@ netdev_tx_t hns3_nic_net_xmit(struct sk_buff *skb, struct net_device *netdev) goto out; skb_walk_frags(skb, frag_skb) { - ret = hns3_fill_skb_to_desc(ring, frag_skb, DESC_TYPE_PAGE); + ret = hns3_fill_skb_to_desc(ring, frag_skb, + DESC_TYPE_FRAGLIST_SKB); if (unlikely(ret < 0)) goto fill_err; @@ -2356,7 +2364,7 @@ static int hns3_map_buffer(struct hns3_enet_ring *ring, struct hns3_desc_cb *cb) static void hns3_unmap_buffer(struct hns3_enet_ring *ring, struct hns3_desc_cb *cb) { - if (cb->type == DESC_TYPE_SKB) + if (cb->type == DESC_TYPE_SKB || cb->type == DESC_TYPE_FRAGLIST_SKB) dma_unmap_single(ring_to_dev(ring), cb->dma, cb->length, ring_to_dma_dir(ring)); else if (cb->length) |