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authorLuca Boccassi <luca.boccassi@gmail.com>2018-02-19 11:16:57 +0000
committerLuca Boccassi <luca.boccassi@gmail.com>2018-02-19 11:17:28 +0000
commitca33590b6af032bff57d9cc70455660466a654b2 (patch)
tree0b68b090bd9b4a78a3614b62400b29279d76d553 /lib/librte_vhost/socket.c
parent169a9de21e263aa6599cdc2d87a45ae158d9f509 (diff)
New upstream version 18.02upstream/18.02
Change-Id: I89ed24cb2a49b78fe5be6970b99dd46c1499fcc3 Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'lib/librte_vhost/socket.c')
-rw-r--r--lib/librte_vhost/socket.c64
1 files changed, 29 insertions, 35 deletions
diff --git a/lib/librte_vhost/socket.c b/lib/librte_vhost/socket.c
index 422da002..83befdce 100644
--- a/lib/librte_vhost/socket.c
+++ b/lib/librte_vhost/socket.c
@@ -1,34 +1,5 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2016 Intel Corporation
*/
#include <stdint.h>
@@ -69,6 +40,7 @@ struct vhost_user_socket {
bool reconnect;
bool dequeue_zero_copy;
bool iommu_support;
+ bool use_builtin_virtio_net;
/*
* The "supported_features" indicates the feature bits the
@@ -224,6 +196,8 @@ vhost_user_add_connection(int fd, struct vhost_user_socket *vsocket)
size = strnlen(vsocket->path, PATH_MAX);
vhost_set_ifname(vid, vsocket->path, size);
+ vhost_set_builtin_virtio_net(vid, vsocket->use_builtin_virtio_net);
+
if (vsocket->dequeue_zero_copy)
vhost_enable_dequeue_zero_copy(vid);
@@ -462,6 +436,7 @@ static int
vhost_user_reconnect_init(void)
{
int ret;
+ char thread_name[RTE_MAX_THREAD_NAME_LEN];
ret = pthread_mutex_init(&reconn_list.mutex, NULL);
if (ret < 0) {
@@ -472,12 +447,20 @@ vhost_user_reconnect_init(void)
ret = pthread_create(&reconn_tid, NULL,
vhost_user_client_reconnect, NULL);
- if (ret < 0) {
+ if (ret != 0) {
RTE_LOG(ERR, VHOST_CONFIG, "failed to create reconnect thread");
if (pthread_mutex_destroy(&reconn_list.mutex)) {
RTE_LOG(ERR, VHOST_CONFIG,
"failed to destroy reconnect mutex");
}
+ } else {
+ snprintf(thread_name, RTE_MAX_THREAD_NAME_LEN,
+ "vhost-reconn");
+
+ if (rte_thread_setname(reconn_tid, thread_name)) {
+ RTE_LOG(DEBUG, VHOST_CONFIG,
+ "failed to set reconnect thread name");
+ }
}
return ret;
@@ -547,6 +530,12 @@ rte_vhost_driver_disable_features(const char *path, uint64_t features)
pthread_mutex_lock(&vhost_user.mutex);
vsocket = find_vhost_user_socket(path);
+
+ /* Note that use_builtin_virtio_net is not affected by this function
+ * since callers may want to selectively disable features of the
+ * built-in vhost net device backend.
+ */
+
if (vsocket)
vsocket->features &= ~features;
pthread_mutex_unlock(&vhost_user.mutex);
@@ -587,6 +576,11 @@ rte_vhost_driver_set_features(const char *path, uint64_t features)
if (vsocket) {
vsocket->supported_features = features;
vsocket->features = features;
+
+ /* Anyone setting feature bits is implementing their own vhost
+ * device backend.
+ */
+ vsocket->use_builtin_virtio_net = false;
}
pthread_mutex_unlock(&vhost_user.mutex);
@@ -667,6 +661,7 @@ rte_vhost_driver_register(const char *path, uint64_t flags)
* rte_vhost_driver_set_features(), which will overwrite following
* two values.
*/
+ vsocket->use_builtin_virtio_net = true;
vsocket->supported_features = VIRTIO_NET_SUPPORTED_FEATURES;
vsocket->features = VIRTIO_NET_SUPPORTED_FEATURES;
@@ -678,9 +673,8 @@ rte_vhost_driver_register(const char *path, uint64_t flags)
if ((flags & RTE_VHOST_USER_CLIENT) != 0) {
vsocket->reconnect = !(flags & RTE_VHOST_USER_NO_RECONNECT);
if (vsocket->reconnect && reconn_tid == 0) {
- if (vhost_user_reconnect_init() < 0) {
+ if (vhost_user_reconnect_init() != 0)
goto out_mutex;
- }
}
} else {
vsocket->is_server = true;
@@ -837,7 +831,7 @@ rte_vhost_driver_start(const char *path)
if (fdset_tid == 0) {
int ret = pthread_create(&fdset_tid, NULL, fdset_event_dispatch,
&vhost_user.fdset);
- if (ret < 0)
+ if (ret != 0)
RTE_LOG(ERR, VHOST_CONFIG,
"failed to create fdset handling thread");
}