[dpdk-dev] [PATCH 09/28] vhost: propagate vhost transport operations

[Nikos Dragazis]

This patch propagates struct vhost_user_socket's vhost_transport_ops
into the newly created vhost device.

This patch completes the initial refactoring of socket.c, with the
AF_UNIX-specific code now in trans_af_unix.c and the librte_vhost API
entrypoints in socket.c.

Now it is time to turn towards vhost_user.c and its mixture of
vhost-user protocol processing and socket I/O.  The socket I/O will be
moved into trans_af_unix.c so that other transports can be added that
don't use file descriptors.

Signed-off-by: Nikos Dragazis <ndragazis at arrikto.com>
Signed-off-by: Stefan Hajnoczi <stefanha at redhat.com>
---
 lib/librte_vhost/trans_af_unix.c | 2 +-
 lib/librte_vhost/vhost.c         | 4 ++--
 lib/librte_vhost/vhost.h         | 2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/librte_vhost/trans_af_unix.c b/lib/librte_vhost/trans_af_unix.c
index e8a4ef2..865d862 100644
--- a/lib/librte_vhost/trans_af_unix.c
+++ b/lib/librte_vhost/trans_af_unix.c
@@ -167,7 +167,7 @@ vhost_user_add_connection(int fd, struct vhost_user_socket *vsocket)
 		return;
 	}
 
-	vid = vhost_new_device();
+	vid = vhost_new_device(vsocket->trans_ops);
 	if (vid == -1) {
 		goto err;
 	}
diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index a36bc01..a72edf3 100644
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -480,7 +480,7 @@ reset_device(struct virtio_net *dev)
  * there is a new virtio device being attached).
  */
 int
-vhost_new_device(void)
+vhost_new_device(const struct vhost_transport_ops *trans_ops)
 {
 	struct virtio_net *dev;
 	int i;
@@ -507,7 +507,7 @@ vhost_new_device(void)
 	dev->vid = i;
 	dev->flags = VIRTIO_DEV_BUILTIN_VIRTIO_NET;
 	dev->slave_req_fd = -1;
-	dev->trans_ops = &af_unix_trans_ops;
+	dev->trans_ops = trans_ops;
 	dev->vdpa_dev_id = -1;
 	dev->postcopy_ufd = -1;
 	rte_spinlock_init(&dev->slave_req_lock);
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 64b7f77..0831b27 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -568,7 +568,7 @@ get_device(int vid)
 	return dev;
 }
 
-int vhost_new_device(void);
+int vhost_new_device(const struct vhost_transport_ops *trans_ops);
 void cleanup_device(struct virtio_net *dev, int destroy);
 void reset_device(struct virtio_net *dev);
 void vhost_destroy_device(int);
-- 
2.7.4