[dpdk-dev] [PATCH v3 3/5] vhost: handle unsupported message types in functions

Nikolay Nikolaev nicknickolaev at gmail.com
Sat Sep 15 07:20:40 CEST 2018


Add new functions to handle the unsupported vhost message types:
 - vhost_user_set_vring_err
 - vhost_user_set_log_fd

Signed-off-by: Nikolay Nikolaev <nicknickolaev at gmail.com>
---
 lib/librte_vhost/vhost_user.c |   22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 3a00d53cf..c38b0fd70 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1022,6 +1022,14 @@ vhost_user_set_vring_call(struct virtio_net *dev, VhostUserMsg *msg)
 	vq->callfd = file.fd;
 }
 
+static void vhost_user_set_vring_err(struct virtio_net *dev __rte_unused,
+			VhostUserMsg *msg)
+{
+	if (!(msg->payload.u64 & VHOST_USER_VRING_NOFD_MASK))
+		close(msg->fds[0]);
+	RTE_LOG(INFO, VHOST_CONFIG, "not implemented\n");
+}
+
 static int
 vhost_user_set_vring_kick(struct virtio_net **pdev, VhostUserMsg *msg)
 {
@@ -1259,6 +1267,13 @@ vhost_user_set_log_base(struct virtio_net *dev, VhostUserMsg *msg)
 	return 0;
 }
 
+static void
+vhost_user_set_log_fd(struct virtio_net *dev __rte_unused, VhostUserMsg *msg)
+{
+	close(msg->fds[0]);
+	RTE_LOG(INFO, VHOST_CONFIG, "not implemented.\n");
+}
+
 /*
  * An rarp packet is constructed and broadcasted to notify switches about
  * the new location of the migrated VM, so that packets from outside will
@@ -1703,8 +1718,7 @@ vhost_user_msg_handler(int vid, int fd)
 		send_vhost_reply(fd, &msg);
 		break;
 	case VHOST_USER_SET_LOG_FD:
-		close(msg.fds[0]);
-		RTE_LOG(INFO, VHOST_CONFIG, "not implemented.\n");
+		vhost_user_set_log_fd(dev, &msg);
 		break;
 
 	case VHOST_USER_SET_VRING_NUM:
@@ -1732,9 +1746,7 @@ vhost_user_msg_handler(int vid, int fd)
 		break;
 
 	case VHOST_USER_SET_VRING_ERR:
-		if (!(msg.payload.u64 & VHOST_USER_VRING_NOFD_MASK))
-			close(msg.fds[0]);
-		RTE_LOG(INFO, VHOST_CONFIG, "not implemented\n");
+		vhost_user_set_vring_err(dev, &msg);
 		break;
 
 	case VHOST_USER_GET_QUEUE_NUM:



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