The patch adds an abstraction layer for vhost backends.
So far CUSE is the only one vhost backend. But QEMU-2.1 can have one
more backend called vhost-user. To handle both backends, this kind of
layer is needed.
Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
lib/librte_vhost/Makefile | 2 +-
lib/librte_vhost/rte_virtio_net.h | 30 ++++++++--
lib/librte_vhost/vhost-net-cdev.c | 24 ++++----
lib/librte_vhost/vhost-net-cdev.h | 113 --------------------------------------
lib/librte_vhost/vhost-net.c | 97 ++++++++++++++++++++++++++++++++
lib/librte_vhost/vhost-net.h | 113 ++++++++++++++++++++++++++++++++++++++
lib/librte_vhost/vhost_rxtx.c | 2 +-
lib/librte_vhost/virtio-net.c | 2 +-
8 files changed, 252 insertions(+), 131 deletions(-)
delete mode 100644 lib/librte_vhost/vhost-net-cdev.h
create mode 100644 lib/librte_vhost/vhost-net.c
create mode 100644 lib/librte_vhost/vhost-net.h
diff --git a/lib/librte_vhost/Makefile b/lib/librte_vhost/Makefile
index c008d64..0d4aa98 100644
--- a/lib/librte_vhost/Makefile
+++ b/lib/librte_vhost/Makefile
@@ -37,7 +37,7 @@ LIB = librte_vhost.a
CFLAGS += $(WERROR_FLAGS) -I$(SRCDIR) -O3 -D_FILE_OFFSET_BITS=64 -lfuse
LDFLAGS += -lfuse
# all source are stored in SRCS-y
-SRCS-$(CONFIG_RTE_LIBRTE_VHOST) := vhost-net-cdev.c virtio-net.c vhost_rxtx.c
+SRCS-$(CONFIG_RTE_LIBRTE_VHOST) := vhost-net.c virtio-net.c vhost_rxtx.c
# install includes
SYMLINK-$(CONFIG_RTE_LIBRTE_VHOST)-include += rte_virtio_net.h
diff --git a/lib/librte_vhost/rte_virtio_net.h
b/lib/librte_vhost/rte_virtio_net.h
index b6548a1..a36c0e3 100644
--- a/lib/librte_vhost/rte_virtio_net.h
+++ b/lib/librte_vhost/rte_virtio_net.h
@@ -31,8 +31,8 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef _VIRTIO_NET_H_
-#define _VIRTIO_NET_H_
+#ifndef _RTE_VIRTIO_NET_H_
+#define _RTE_VIRTIO_NET_H_
/**
* @file
@@ -71,6 +71,25 @@ struct buf_vector {
};
/**
+ * Enum for vhost driver types.
+ */
+typedef enum {
+ VHOST_DRV_CUSE, /* cuse driver */
+ VHOST_DRV_NUM /* the number of vhost driver types */
+} vhost_driver_type_t;
+
+/**
+ * Structure contains information relating vhost driver.
+ */
+struct vhost_driver {
+ vhost_driver_type_t type; /**< driver type. */
+ const char *dev_name; /**< accessing device name. */
+ union {
+ struct fuse_session *session; /**< fuse session. */
+ };
+};
+
+/**
* Structure contains variables relevant to RX/TX virtqueues.
*/
struct vhost_virtqueue {
@@ -176,12 +195,13 @@ uint64_t rte_vhost_feature_get(void);
int rte_vhost_enable_guest_notification(struct virtio_net *dev, uint16_t
queue_id, int enable);
/* Register vhost driver. dev_name could be different for multiple instance
support. */
-int rte_vhost_driver_register(const char *dev_name);
+struct vhost_driver *rte_vhost_driver_register(
+ const char *dev_name, vhost_driver_type_t type);
/* Register callbacks. */
int rte_vhost_driver_callback_register(struct virtio_net_device_ops const *
const);
/* Start vhost driver session blocking loop. */
-int rte_vhost_driver_session_start(void);
+int rte_vhost_driver_session_start(struct vhost_driver *drv);
/**
* This function adds buffers to the virtio devices RX virtqueue. Buffers can
@@ -210,4 +230,4 @@ uint16_t rte_vhost_enqueue_burst(struct virtio_net *dev,
uint16_t queue_id,
uint16_t rte_vhost_dequeue_burst(struct virtio_net *dev, uint16_t queue_id,
struct rte_mempool *mbuf_pool, struct rte_mbuf **pkts, uint16_t count);
-#endif /* _VIRTIO_NET_H_ */
+#endif /* _RTE_VIRTIO_NET_H_ */
diff --git a/lib/librte_vhost/vhost-net-cdev.c
b/lib/librte_vhost/vhost-net-cdev.c
index 91ff0d8..83e1d14 100644
--- a/lib/librte_vhost/vhost-net-cdev.c
+++ b/lib/librte_vhost/vhost-net-cdev.c
@@ -2,7 +2,6 @@
* BSD LICENSE
*
* Copyright(c) 2010-2014 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
@@ -44,7 +43,7 @@
#include <rte_string_fns.h>
#include <rte_virtio_net.h>
-#include "vhost-net-cdev.h"
+#include "vhost-net.h"
#define FUSE_OPT_DUMMY "\0\0"
#define FUSE_OPT_FORE "-f\0\0"
@@ -55,7 +54,6 @@ static const uint32_t default_minor = 1;
static const char cuse_device_name[] = "/dev/cuse";
static const char default_cdev[] = "vhost-net";
-static struct fuse_session *session;
static struct vhost_net_device_ops const *ops;
/*
@@ -300,9 +298,10 @@ static const struct cuse_lowlevel_ops vhost_net_ops = {
* cuse_info is populated and used to register the cuse device.
vhost_net_device_ops are
* also passed when the device is registered in main.c.
*/
-int
-rte_vhost_driver_register(const char *dev_name)
+static int
+vhost_cuse_driver_register(struct vhost_driver *drv)
{
+ const char *dev_name;
struct cuse_info cuse_info;
char device_name[PATH_MAX] = "";
char char_device_name[PATH_MAX] = "";
@@ -318,6 +317,11 @@ rte_vhost_driver_register(const char *dev_name)
return -1;
}
+ if (drv == NULL)
+ return -1;
+
+ dev_name = drv->dev_name;
+
/*
* The device name is created. This is passed to QEMU so that it can
register
* the device with our application.
@@ -340,9 +344,9 @@ rte_vhost_driver_register(const char *dev_name)
ops = get_virtio_net_callbacks();
- session = cuse_lowlevel_setup(3, fuse_argv,
+ drv->session = cuse_lowlevel_setup(3, fuse_argv,
&cuse_info, &vhost_net_ops, 0, NULL);
- if (session == NULL)
+ if (drv->session == NULL)
return -1;
return 0;
@@ -351,10 +355,10 @@ rte_vhost_driver_register(const char *dev_name)
/**
* The CUSE session is launched allowing the application to receive open,
release and ioctl calls.
*/
-int
-rte_vhost_driver_session_start(void)
+static int
+vhost_cuse_driver_session_start(struct vhost_driver *drv)
{
- fuse_session_loop(session);
+ fuse_session_loop(drv->session);
return 0;
}
diff --git a/lib/librte_vhost/vhost-net-cdev.h
b/lib/librte_vhost/vhost-net-cdev.h
deleted file mode 100644
index 03a5c57..0000000
--- a/lib/librte_vhost/vhost-net-cdev.h
+++ /dev/null
@@ -1,113 +0,0 @@
-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 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.
- */
-
-#ifndef _VHOST_NET_CDEV_H_
-#define _VHOST_NET_CDEV_H_
-#include <stdint.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <linux/vhost.h>
-
-#include <rte_log.h>
-
-/* Macros for printing using RTE_LOG */
-#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
-#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER1
-
-#ifdef RTE_LIBRTE_VHOST_DEBUG
-#define VHOST_MAX_PRINT_BUFF 6072
-#define LOG_LEVEL RTE_LOG_DEBUG
-#define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args)
-#define PRINT_PACKET(device, addr, size, header) do { \
- char *pkt_addr = (char *)(addr); \
- unsigned int index; \
- char packet[VHOST_MAX_PRINT_BUFF]; \
- \
- if ((header)) \
- snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%"PRIu64") Header size
%d: ", (device->device_fh), (size)); \
- else \
- snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%"PRIu64") Packet size
%d: ", (device->device_fh), (size)); \
- for (index = 0; index < (size); index++) { \
- snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF),
VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), \
- "%02hhx ", pkt_addr[index]); \
- } \
- snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF),
VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), "\n"); \
- \
- LOG_DEBUG(VHOST_DATA, "%s", packet); \
-} while (0)
-#else
-#define LOG_LEVEL RTE_LOG_INFO
-#define LOG_DEBUG(log_type, fmt, args...) do {} while (0)
-#define PRINT_PACKET(device, addr, size, header) do {} while (0)
-#endif
-
-
-/*
- * Structure used to identify device context.
- */
-struct vhost_device_ctx {
- pid_t pid; /* PID of process calling the IOCTL. */
- uint64_t fh; /* Populated with fi->fh to track the device
index. */
-};
-
-/*
- * Structure contains function pointers to be defined in virtio-net.c. These
- * functions are called in CUSE context and are used to configure devices.
- */
-struct vhost_net_device_ops {
- int (*new_device)(struct vhost_device_ctx);
- void (*destroy_device)(struct vhost_device_ctx);
-
- int (*get_features)(struct vhost_device_ctx, uint64_t *);
- int (*set_features)(struct vhost_device_ctx, uint64_t *);
-
- int (*set_mem_table)(struct vhost_device_ctx, const void *, uint32_t);
-
- int (*set_vring_num)(struct vhost_device_ctx, struct vhost_vring_state
*);
- int (*set_vring_addr)(struct vhost_device_ctx, struct vhost_vring_addr
*);
- int (*set_vring_base)(struct vhost_device_ctx, struct vhost_vring_state
*);
- int (*get_vring_base)(struct vhost_device_ctx, uint32_t, struct
vhost_vring_state *);
-
- int (*set_vring_kick)(struct vhost_device_ctx, struct vhost_vring_file
*);
- int (*set_vring_call)(struct vhost_device_ctx, struct vhost_vring_file
*);
-
- int (*set_backend)(struct vhost_device_ctx, struct vhost_vring_file *);
-
- int (*set_owner)(struct vhost_device_ctx);
- int (*reset_owner)(struct vhost_device_ctx);
-};
-
-
-struct vhost_net_device_ops const *get_virtio_net_callbacks(void);
-#endif /* _VHOST_NET_CDEV_H_ */
diff --git a/lib/librte_vhost/vhost-net.c b/lib/librte_vhost/vhost-net.c
new file mode 100644
index 0000000..b0de5fd
--- /dev/null
+++ b/lib/librte_vhost/vhost-net.c
@@ -0,0 +1,97 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014 IGEL Co.,Ltd. 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 IGEL 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.
+ */
+
+#include <errno.h>
+#include <rte_malloc.h>
+#include <rte_virtio_net.h>
+
+#include "vhost-net.h"
+
+/**
+ * Include cuse depend functions and definitions
+ */
+#include "vhost-net-cdev.c"
+
+/**
+ * This function abstracts cuse and vhost-user driver registration.
+ */
+struct vhost_driver *
+rte_vhost_driver_register(const char *dev_name, vhost_driver_type_t type)
+{
+ int ret;
+ struct vhost_driver *drv;
+
+ drv = rte_zmalloc(dev_name, sizeof(struct vhost_driver),
+ CACHE_LINE_SIZE);
+ if (drv == NULL)
+ return NULL;
+
+ drv->dev_name = dev_name;
+ drv->type = type;
+
+ switch (type) {
+ case VHOST_DRV_CUSE:
+ ret = vhost_cuse_driver_register(drv);
+ if (ret != 0)
+ goto err;
+ break;
+ default:
+ break;
+ }
+
+ return drv;
+err:
+ free(drv);
+ return NULL;
+}
+
+/**
+ * The CUSE session is launched allowing the application to receive open,
release and ioctl calls.
+ */
+int
+rte_vhost_driver_session_start(struct vhost_driver *drv)
+{
+ if (drv == NULL)
+ return -ENODEV;
+
+ switch (drv->type) {
+ case VHOST_DRV_CUSE:
+ vhost_cuse_driver_session_start(drv);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
diff --git a/lib/librte_vhost/vhost-net.h b/lib/librte_vhost/vhost-net.h
new file mode 100644
index 0000000..03a5c57
--- /dev/null
+++ b/lib/librte_vhost/vhost-net.h
@@ -0,0 +1,113 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2014 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.
+ */
+
+#ifndef _VHOST_NET_CDEV_H_
+#define _VHOST_NET_CDEV_H_
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <linux/vhost.h>
+
+#include <rte_log.h>
+
+/* Macros for printing using RTE_LOG */
+#define RTE_LOGTYPE_VHOST_CONFIG RTE_LOGTYPE_USER1
+#define RTE_LOGTYPE_VHOST_DATA RTE_LOGTYPE_USER1
+
+#ifdef RTE_LIBRTE_VHOST_DEBUG
+#define VHOST_MAX_PRINT_BUFF 6072
+#define LOG_LEVEL RTE_LOG_DEBUG
+#define LOG_DEBUG(log_type, fmt, args...) RTE_LOG(DEBUG, log_type, fmt, ##args)
+#define PRINT_PACKET(device, addr, size, header) do { \
+ char *pkt_addr = (char *)(addr); \
+ unsigned int index; \
+ char packet[VHOST_MAX_PRINT_BUFF]; \
+ \
+ if ((header)) \
+ snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%"PRIu64") Header size
%d: ", (device->device_fh), (size)); \
+ else \
+ snprintf(packet, VHOST_MAX_PRINT_BUFF, "(%"PRIu64") Packet size
%d: ", (device->device_fh), (size)); \
+ for (index = 0; index < (size); index++) { \
+ snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF),
VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), \
+ "%02hhx ", pkt_addr[index]); \
+ } \
+ snprintf(packet + strnlen(packet, VHOST_MAX_PRINT_BUFF),
VHOST_MAX_PRINT_BUFF - strnlen(packet, VHOST_MAX_PRINT_BUFF), "\n"); \
+ \
+ LOG_DEBUG(VHOST_DATA, "%s", packet); \
+} while (0)
+#else
+#define LOG_LEVEL RTE_LOG_INFO
+#define LOG_DEBUG(log_type, fmt, args...) do {} while (0)
+#define PRINT_PACKET(device, addr, size, header) do {} while (0)
+#endif
+
+
+/*
+ * Structure used to identify device context.
+ */
+struct vhost_device_ctx {
+ pid_t pid; /* PID of process calling the IOCTL. */
+ uint64_t fh; /* Populated with fi->fh to track the device
index. */
+};
+
+/*
+ * Structure contains function pointers to be defined in virtio-net.c. These
+ * functions are called in CUSE context and are used to configure devices.
+ */
+struct vhost_net_device_ops {
+ int (*new_device)(struct vhost_device_ctx);
+ void (*destroy_device)(struct vhost_device_ctx);
+
+ int (*get_features)(struct vhost_device_ctx, uint64_t *);
+ int (*set_features)(struct vhost_device_ctx, uint64_t *);
+
+ int (*set_mem_table)(struct vhost_device_ctx, const void *, uint32_t);
+
+ int (*set_vring_num)(struct vhost_device_ctx, struct vhost_vring_state
*);
+ int (*set_vring_addr)(struct vhost_device_ctx, struct vhost_vring_addr
*);
+ int (*set_vring_base)(struct vhost_device_ctx, struct vhost_vring_state
*);
+ int (*get_vring_base)(struct vhost_device_ctx, uint32_t, struct
vhost_vring_state *);
+
+ int (*set_vring_kick)(struct vhost_device_ctx, struct vhost_vring_file
*);
+ int (*set_vring_call)(struct vhost_device_ctx, struct vhost_vring_file
*);
+
+ int (*set_backend)(struct vhost_device_ctx, struct vhost_vring_file *);
+
+ int (*set_owner)(struct vhost_device_ctx);
+ int (*reset_owner)(struct vhost_device_ctx);
+};
+
+
+struct vhost_net_device_ops const *get_virtio_net_callbacks(void);
+#endif /* _VHOST_NET_CDEV_H_ */
diff --git a/lib/librte_vhost/vhost_rxtx.c b/lib/librte_vhost/vhost_rxtx.c
index 84ec0e8..dad9db9 100644
--- a/lib/librte_vhost/vhost_rxtx.c
+++ b/lib/librte_vhost/vhost_rxtx.c
@@ -38,7 +38,7 @@
#include <rte_memcpy.h>
#include <rte_virtio_net.h>
-#include "vhost-net-cdev.h"
+#include "vhost-net.h"
#define MAX_PKT_BURST 32
diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 9155a68..1dee1d8 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -49,7 +49,7 @@
#include <rte_memory.h>
#include <rte_virtio_net.h>
-#include "vhost-net-cdev.h"
+#include "vhost-net.h"
#include "eventfd_link/eventfd_link.h"
/**
--
1.9.1
