X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fvirtio%2Fvirtio_user%2Fvhost_kernel.c;h=2c805077af22d4623cadaab4668fd3e07f397e4e;hb=397b4b3c509574a55c58ae161f5a01cc8a4da56a;hp=b3bfcb76f7f6ee51cf54116712f4864f68f5d36d;hpb=757286542560ab7f326ae71f5ef8d83050ee5646;p=dpdk.git

diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index b3bfcb76f7..2c805077af 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -8,7 +8,6 @@
 #include <unistd.h>
 
 #include <rte_memory.h>
-#include <rte_eal_memconfig.h>
 
 #include "vhost.h"
 #include "virtio_user_dev.h"
@@ -78,6 +77,9 @@ add_memseg_list(const struct rte_memseg_list *msl, void *arg)
 	void *start_addr;
 	uint64_t len;
 
+	if (msl->external)
+		return 0;
+
 	if (vm->nregions >= max_regions)
 		return -1;
 
@@ -328,16 +330,34 @@ vhost_kernel_enable_queue_pair(struct virtio_user_dev *dev,
 
 	vhostfd = dev->vhostfds[pair_idx];
 
+	if (dev->qp_enabled[pair_idx] == enable)
+		return 0;
+
 	if (!enable) {
-		if (dev->tapfds[pair_idx] >= 0) {
-			close(dev->tapfds[pair_idx]);
-			dev->tapfds[pair_idx] = -1;
+		tapfd = dev->tapfds[pair_idx];
+		if (vhost_kernel_set_backend(vhostfd, -1) < 0) {
+			PMD_DRV_LOG(ERR, "fail to set backend for vhost kernel");
+			return -1;
+		}
+		if (req_mq && vhost_kernel_tap_set_queue(tapfd, false) < 0) {
+			PMD_DRV_LOG(ERR, "fail to disable tap for vhost kernel");
+			return -1;
 		}
-		return vhost_kernel_set_backend(vhostfd, -1);
-	} else if (dev->tapfds[pair_idx] >= 0) {
+		dev->qp_enabled[pair_idx] = false;
 		return 0;
 	}
 
+	if (dev->tapfds[pair_idx] >= 0) {
+		tapfd = dev->tapfds[pair_idx];
+		if (vhost_kernel_tap_set_offload(tapfd, dev->features) == -1)
+			return -1;
+		if (req_mq && vhost_kernel_tap_set_queue(tapfd, true) < 0) {
+			PMD_DRV_LOG(ERR, "fail to enable tap for vhost kernel");
+			return -1;
+		}
+		goto set_backend;
+	}
+
 	if ((dev->features & (1ULL << VIRTIO_NET_F_MRG_RXBUF)) ||
 	    (dev->features & (1ULL << VIRTIO_F_VERSION_1)))
 		hdr_size = sizeof(struct virtio_net_hdr_mrg_rxbuf);
@@ -351,17 +371,19 @@ vhost_kernel_enable_queue_pair(struct virtio_user_dev *dev,
 		return -1;
 	}
 
+	dev->tapfds[pair_idx] = tapfd;
+
+set_backend:
 	if (vhost_kernel_set_backend(vhostfd, tapfd) < 0) {
 		PMD_DRV_LOG(ERR, "fail to set backend for vhost kernel");
-		close(tapfd);
 		return -1;
 	}
 
-	dev->tapfds[pair_idx] = tapfd;
+	dev->qp_enabled[pair_idx] = true;
 	return 0;
 }
 
-struct virtio_user_backend_ops ops_kernel = {
+struct virtio_user_backend_ops virtio_ops_kernel = {
 	.setup = vhost_kernel_setup,
 	.send_request = vhost_kernel_ioctl,
 	.enable_qp = vhost_kernel_enable_queue_pair