[PATCH 09/16] virtio_net: use simplified virtqueue accessors.

From: Rusty Russell
Date: Tue Feb 19 2013 - 03:06:00 EST


We never add buffers with input and output parts, so use the new accessors.

Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
---
drivers/net/virtio_net.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index dbd5cd1..8ca69c0 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -443,7 +443,7 @@ static int add_recvbuf_small(struct receive_queue *rq, gfp_t gfp)

skb_to_sgvec(skb, rq->sg + 1, 0, skb->len);

- err = virtqueue_add_buf(rq->vq, rq->sg, 0, 2, skb, gfp);
+ err = virtqueue_add_inbuf(rq->vq, rq->sg, 2, skb, gfp);
if (err < 0)
dev_kfree_skb(skb);

@@ -488,8 +488,8 @@ static int add_recvbuf_big(struct receive_queue *rq, gfp_t gfp)

/* chain first in list head */
first->private = (unsigned long)list;
- err = virtqueue_add_buf(rq->vq, rq->sg, 0, MAX_SKB_FRAGS + 2,
- first, gfp);
+ err = virtqueue_add_inbuf(rq->vq, rq->sg, MAX_SKB_FRAGS + 2,
+ first, gfp);
if (err < 0)
give_pages(rq, first);

@@ -507,7 +507,7 @@ static int add_recvbuf_mergeable(struct receive_queue *rq, gfp_t gfp)

sg_init_one(rq->sg, page_address(page), PAGE_SIZE);

- err = virtqueue_add_buf(rq->vq, rq->sg, 0, 1, page, gfp);
+ err = virtqueue_add_inbuf(rq->vq, rq->sg, 1, page, gfp);
if (err < 0)
give_pages(rq, page);

@@ -710,8 +710,7 @@ static int xmit_skb(struct send_queue *sq, struct sk_buff *skb)
sg_set_buf(sq->sg, &hdr->hdr, sizeof hdr->hdr);

num_sg = skb_to_sgvec(skb, sq->sg + 1, 0, skb->len) + 1;
- return virtqueue_add_buf(sq->vq, sq->sg, num_sg,
- 0, skb, GFP_ATOMIC);
+ return virtqueue_add_outbuf(sq->vq, sq->sg, num_sg, skb, GFP_ATOMIC);
}

static netdev_tx_t start_xmit(struct sk_buff *skb, struct net_device *dev)
--
1.7.10.4

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