X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/f1a7104a5f435a1bf2a1158e6f737dbd89e8c153..f881c8d36b5c524348bc337b46baf34636079cf6:/hw/vhost_net.c

diff --git a/hw/vhost_net.c b/hw/vhost_net.c
index a55981200d..ae2785d83f 100644
--- a/hw/vhost_net.c
+++ b/hw/vhost_net.c
@@ -8,14 +8,17 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
-#include "net.h"
+#include "net/net.h"
 #include "net/tap.h"
 
 #include "virtio-net.h"
 #include "vhost_net.h"
-#include "qemu-error.h"
+#include "qemu/error-report.h"
 
 #include "config.h"
 
@@ -39,7 +42,7 @@ struct vhost_net {
     struct vhost_dev dev;
     struct vhost_virtqueue vqs[2];
     int backend;
-    VLANClientState *vc;
+    NetClientState *nc;
 };
 
 unsigned vhost_net_get_features(struct vhost_net *net, unsigned features)
@@ -77,10 +80,10 @@ void vhost_net_ack_features(struct vhost_net *net, unsigned features)
     }
 }
 
-static int vhost_net_get_fd(VLANClientState *backend)
+static int vhost_net_get_fd(NetClientState *backend)
 {
     switch (backend->info->type) {
-    case NET_CLIENT_TYPE_TAP:
+    case NET_CLIENT_OPTIONS_KIND_TAP:
         return tap_get_fd(backend);
     default:
         fprintf(stderr, "vhost-net requires tap backend\n");
@@ -88,7 +91,7 @@ static int vhost_net_get_fd(VLANClientState *backend)
     }
 }
 
-struct vhost_net *vhost_net_init(VLANClientState *backend, int devfd,
+struct vhost_net *vhost_net_init(NetClientState *backend, int devfd,
                                  bool force)
 {
     int r;
@@ -101,12 +104,12 @@ struct vhost_net *vhost_net_init(VLANClientState *backend, int devfd,
     if (r < 0) {
         goto fail;
     }
-    net->vc = backend;
+    net->nc = backend;
     net->dev.backend_features = tap_has_vnet_hdr(backend) ? 0 :
         (1 << VHOST_NET_F_VIRTIO_NET_HDR);
     net->backend = r;
 
-    r = vhost_dev_init(&net->dev, devfd, force);
+    r = vhost_dev_init(&net->dev, devfd, "/dev/vhost-net", force);
     if (r < 0) {
         goto fail;
     }
@@ -139,19 +142,21 @@ int vhost_net_start(struct vhost_net *net,
 {
     struct vhost_vring_file file = { };
     int r;
-    if (net->dev.acked_features & (1 << VIRTIO_NET_F_MRG_RXBUF)) {
-        tap_set_vnet_hdr_len(net->vc,
-                             sizeof(struct virtio_net_hdr_mrg_rxbuf));
-    }
 
     net->dev.nvqs = 2;
     net->dev.vqs = net->vqs;
+
+    r = vhost_dev_enable_notifiers(&net->dev, dev);
+    if (r < 0) {
+        goto fail_notifiers;
+    }
+
     r = vhost_dev_start(&net->dev, dev);
     if (r < 0) {
-        return r;
+        goto fail_start;
     }
 
-    net->vc->info->poll(net->vc, false);
+    net->nc->info->poll(net->nc, false);
     qemu_set_fd_handler(net->backend, NULL, NULL, NULL);
     file.fd = net->backend;
     for (file.index = 0; file.index < net->dev.nvqs; ++file.index) {
@@ -168,11 +173,11 @@ fail:
         int r = ioctl(net->dev.control, VHOST_NET_SET_BACKEND, &file);
         assert(r >= 0);
     }
-    net->vc->info->poll(net->vc, true);
+    net->nc->info->poll(net->nc, true);
     vhost_dev_stop(&net->dev, dev);
-    if (net->dev.acked_features & (1 << VIRTIO_NET_F_MRG_RXBUF)) {
-        tap_set_vnet_hdr_len(net->vc, sizeof(struct virtio_net_hdr));
-    }
+fail_start:
+    vhost_dev_disable_notifiers(&net->dev, dev);
+fail_notifiers:
     return r;
 }
 
@@ -185,23 +190,18 @@ void vhost_net_stop(struct vhost_net *net,
         int r = ioctl(net->dev.control, VHOST_NET_SET_BACKEND, &file);
         assert(r >= 0);
     }
-    net->vc->info->poll(net->vc, true);
+    net->nc->info->poll(net->nc, true);
     vhost_dev_stop(&net->dev, dev);
-    if (net->dev.acked_features & (1 << VIRTIO_NET_F_MRG_RXBUF)) {
-        tap_set_vnet_hdr_len(net->vc, sizeof(struct virtio_net_hdr));
-    }
+    vhost_dev_disable_notifiers(&net->dev, dev);
 }
 
 void vhost_net_cleanup(struct vhost_net *net)
 {
     vhost_dev_cleanup(&net->dev);
-    if (net->dev.acked_features & (1 << VIRTIO_NET_F_MRG_RXBUF)) {
-        tap_set_vnet_hdr_len(net->vc, sizeof(struct virtio_net_hdr));
-    }
     g_free(net);
 }
 #else
-struct vhost_net *vhost_net_init(VLANClientState *backend, int devfd,
+struct vhost_net *vhost_net_init(NetClientState *backend, int devfd,
                                  bool force)
 {
     error_report("vhost-net support is not compiled in");