[dpdk-dev] [PATCH v6 13/25] lib/librte_vhost: remove index parameter

Huawei Xie huawei.xie at intel.com
Wed Oct 8 20:54:47 CEST 2014


Signed-off-by: Huawei Xie <huawei.xie at intel.com>
---
 lib/librte_vhost/vhost-net-cdev.c | 16 +++++-----------
 1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/lib/librte_vhost/vhost-net-cdev.c b/lib/librte_vhost/vhost-net-cdev.c
index 8cf806a..957f0c8 100644
--- a/lib/librte_vhost/vhost-net-cdev.c
+++ b/lib/librte_vhost/vhost-net-cdev.c
@@ -302,7 +302,7 @@ static const struct cuse_lowlevel_ops vhost_net_ops = {
  * also passed when the device is registered in main.c.
  */
 int
-register_cuse_device(const char *base_name, int index, struct vhost_net_device_ops const * const pops)
+register_cuse_device(const char *base_name, struct vhost_net_device_ops const * const pops)
 {
 	struct cuse_info cuse_info;
 	char device_name[PATH_MAX] = "";
@@ -321,16 +321,10 @@ register_cuse_device(const char *base_name, int index, struct vhost_net_device_o
 
 	/*
 	 * The device name is created. This is passed to QEMU so that it can register
-	 * the device with our application. The index allows us to have multiple instances
-	 * of userspace vhost which we can then add devices to separately.
+	 * the device with our application.
 	 */
-	if (strncmp(base_name, default_cdev, PATH_MAX)!=0) {
-		snprintf(device_name, PATH_MAX, "DEVNAME=%s-%d", base_name, index);
-		snprintf(char_device_name, PATH_MAX, "/dev/%s-%d", base_name, index);
-	} else {
-		snprintf(device_name, PATH_MAX, "DEVNAME=%s", base_name);
-		snprintf(char_device_name, PATH_MAX, "/dev/%s", base_name);
-	}
+	snprintf(device_name, PATH_MAX, "DEVNAME=%s", dev_name);
+	snprintf(char_device_name, PATH_MAX, "/dev/%s", dev_name);
 
 	/* Check if device already exists. */
 	if (access(char_device_name, F_OK) != -1) {
@@ -340,7 +334,7 @@ register_cuse_device(const char *base_name, int index, struct vhost_net_device_o
 
 	memset(&cuse_info, 0, sizeof(cuse_info));
 	cuse_info.dev_major = default_major;
-	cuse_info.dev_minor = default_minor + index;
+	cuse_info.dev_minor = default_minor;
 	cuse_info.dev_info_argc = 1;
 	cuse_info.dev_info_argv = device_argv;
 	cuse_info.flags = CUSE_UNRESTRICTED_IOCTL;
-- 
1.8.1.4



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