summaryrefslogtreecommitdiffstats
path: root/drivers/net/virtio_net.c
diff options
context:
space:
mode:
authorWillem de Bruijn <willemb@google.com>2017-04-24 13:49:28 -0400
committerDavid S. Miller <davem@davemloft.net>2017-04-24 23:55:19 -0400
commitea7735d97ba9064c448664429e249991ccd8aa77 (patch)
tree8b598b00f8f11a1ba05845fe5c5531a4b13b30dc /drivers/net/virtio_net.c
parentb92f1e6751a6aaaf0b1e05128661ce0f23ed3695 (diff)
downloadlinux-ea7735d97ba9064c448664429e249991ccd8aa77.tar.bz2
virtio-net: move free_old_xmit_skbs
An upcoming patch will call free_old_xmit_skbs indirectly from virtnet_poll. Move the function above this to avoid having to introduce a forward declaration. This is a pure move: no code changes. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c60
1 files changed, 30 insertions, 30 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 356d18481ee4..4ec79e5d7a86 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1045,6 +1045,36 @@ static int virtnet_receive(struct receive_queue *rq, int budget)
return received;
}
+static void free_old_xmit_skbs(struct send_queue *sq)
+{
+ struct sk_buff *skb;
+ unsigned int len;
+ struct virtnet_info *vi = sq->vq->vdev->priv;
+ struct virtnet_stats *stats = this_cpu_ptr(vi->stats);
+ unsigned int packets = 0;
+ unsigned int bytes = 0;
+
+ while ((skb = virtqueue_get_buf(sq->vq, &len)) != NULL) {
+ pr_debug("Sent skb %p\n", skb);
+
+ bytes += skb->len;
+ packets++;
+
+ dev_kfree_skb_any(skb);
+ }
+
+ /* Avoid overhead when no packets have been processed
+ * happens when called speculatively from start_xmit.
+ */
+ if (!packets)
+ return;
+
+ u64_stats_update_begin(&stats->tx_syncp);
+ stats->tx_bytes += bytes;
+ stats->tx_packets += packets;
+ u64_stats_update_end(&stats->tx_syncp);
+}
+
static int virtnet_poll(struct napi_struct *napi, int budget)
{
struct receive_queue *rq =
@@ -1077,36 +1107,6 @@ static int virtnet_open(struct net_device *dev)
return 0;
}
-static void free_old_xmit_skbs(struct send_queue *sq)
-{
- struct sk_buff *skb;
- unsigned int len;
- struct virtnet_info *vi = sq->vq->vdev->priv;
- struct virtnet_stats *stats = this_cpu_ptr(vi->stats);
- unsigned int packets = 0;
- unsigned int bytes = 0;
-
- while ((skb = virtqueue_get_buf(sq->vq, &len)) != NULL) {
- pr_debug("Sent skb %p\n", skb);
-
- bytes += skb->len;
- packets++;
-
- dev_kfree_skb_any(skb);
- }
-
- /* Avoid overhead when no packets have been processed
- * happens when called speculatively from start_xmit.
- */
- if (!packets)
- return;
-
- u64_stats_update_begin(&stats->tx_syncp);
- stats->tx_bytes += bytes;
- stats->tx_packets += packets;
- u64_stats_update_end(&stats->tx_syncp);
-}
-
static int virtnet_poll_tx(struct napi_struct *napi, int budget)
{
struct send_queue *sq = container_of(napi, struct send_queue, napi);