ccdba9490b
- add netmap (FreeBSD header files need to be updated with this) - move prototype perl scripts to prototype/ folder - create basic structure for sipcap app (no code yet)
92 lines
2.5 KiB
Plaintext
92 lines
2.5 KiB
Plaintext
diff --git a/virtio_net.c b/virtio_net.c
|
|
index 3d2a90a..ae899a4 100644
|
|
--- a/virtio_net.c
|
|
+++ b/virtio_net.c
|
|
@@ -131,6 +131,10 @@ struct virtnet_info {
|
|
struct notifier_block nb;
|
|
};
|
|
|
|
+#if defined(CONFIG_NETMAP) || defined(CONFIG_NETMAP_MODULE)
|
|
+#include <virtio_netmap.h>
|
|
+#endif
|
|
+
|
|
struct skb_vnet_hdr {
|
|
union {
|
|
struct virtio_net_hdr hdr;
|
|
@@ -210,6 +214,10 @@ static void skb_xmit_done(struct virtqueue *vq)
|
|
/* Suppress further interrupts. */
|
|
virtqueue_disable_cb(vq);
|
|
|
|
+#ifdef DEV_NETMAP
|
|
+ if (netmap_tx_irq(vi->dev, vq2txq(vq)))
|
|
+ return;
|
|
+#endif
|
|
/* We were probably waiting for more output buffers. */
|
|
netif_wake_subqueue(vi->dev, vq2txq(vq));
|
|
}
|
|
@@ -603,7 +611,16 @@ static int virtnet_poll(struct napi_struct *napi, int budget)
|
|
struct virtnet_info *vi = rq->vq->vdev->priv;
|
|
void *buf;
|
|
unsigned int r, len, received = 0;
|
|
+#ifdef DEV_NETMAP
|
|
+ int work_done = 0;
|
|
|
|
+ if (netmap_rx_irq(vi->dev, vq2rxq(rq->vq), &work_done)) {
|
|
+ napi_complete(napi);
|
|
+ ND("called netmap_rx_irq");
|
|
+
|
|
+ return 1;
|
|
+ }
|
|
+#endif
|
|
again:
|
|
while (received < budget &&
|
|
(buf = virtqueue_get_buf(rq->vq, &len)) != NULL) {
|
|
@@ -636,6 +653,16 @@ static int virtnet_open(struct net_device *dev)
|
|
{
|
|
struct virtnet_info *vi = netdev_priv(dev);
|
|
int i;
|
|
+#ifdef DEV_NETMAP
|
|
+ int ok = virtio_netmap_init_buffers(vi);
|
|
+
|
|
+ netmap_enable_all_rings(dev);
|
|
+ if (ok) {
|
|
+ for (i = 0; i < vi->max_queue_pairs; i++)
|
|
+ virtnet_napi_enable(&vi->rq[i]);
|
|
+ return 0;
|
|
+ }
|
|
+#endif
|
|
|
|
for (i = 0; i < vi->max_queue_pairs; i++) {
|
|
if (i < vi->curr_queue_pairs)
|
|
@@ -927,6 +954,9 @@ static int virtnet_close(struct net_device *dev)
|
|
struct virtnet_info *vi = netdev_priv(dev);
|
|
int i;
|
|
|
|
+#ifdef DEV_NETMAP
|
|
+ netmap_disable_all_rings(dev);
|
|
+#endif
|
|
/* Make sure refill_work doesn't re-enable napi! */
|
|
cancel_delayed_work_sync(&vi->refill);
|
|
|
|
@@ -1592,6 +1622,10 @@ static int virtnet_probe(struct virtio_device *vdev)
|
|
goto free_recv_bufs;
|
|
}
|
|
|
|
+#ifdef DEV_NETMAP
|
|
+ virtio_netmap_attach(vi);
|
|
+#endif
|
|
+
|
|
/* Assume link up if device can't report link status,
|
|
otherwise get link status from config. */
|
|
if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_STATUS)) {
|
|
@@ -1638,6 +1672,9 @@ static void virtnet_remove(struct virtio_device *vdev)
|
|
{
|
|
struct virtnet_info *vi = vdev->priv;
|
|
|
|
+#ifdef DEV_NETMAP
|
|
+ netmap_detach(vi->dev);
|
|
+#endif
|
|
unregister_hotcpu_notifier(&vi->nb);
|
|
|
|
/* Prevent config work handler from accessing the device. */
|