#include <linux/sockios.h>
#include <sys/eventfd.h>
#include <net/if_arp.h>
-#include <sched.h>
#include <limits.h>
#include <linux/netlink.h>
#include <vlib/vlib.h>
#include <vlib/physmem.h>
#include <vlib/unix/unix.h>
+#include <vppinfra/linux/netns.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
return 0;
}
-static int
-open_netns_fd (char *netns)
-{
- u8 *s = 0;
- int fd;
-
- if (strncmp (netns, "pid:", 4) == 0)
- s = format (0, "/proc/%u/ns/net%c", atoi (netns + 4), 0);
- else if (netns[0] == '/')
- s = format (0, "%s%c", netns, 0);
- else
- s = format (0, "/var/run/netns/%s%c", netns, 0);
-
- fd = open ((char *) s, O_RDONLY);
- vec_free (s);
- return fd;
-}
-
#define TAP_MAX_INSTANCE 1024
static void
}
if (args->host_namespace)
{
- old_netns_fd = open ("/proc/self/ns/net", O_RDONLY);
- if ((nfd = open_netns_fd ((char *) args->host_namespace)) == -1)
+ old_netns_fd = clib_netns_open (NULL /* self */);
+ if ((nfd = clib_netns_open (args->host_namespace)) == -1)
{
args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
- args->error = clib_error_return_unix (0, "open_netns_fd '%s'",
+ args->error = clib_error_return_unix (0, "clib_netns_open '%s'",
args->host_namespace);
goto error;
}
- if (setns (nfd, CLONE_NEWNET) == -1)
+ if (clib_setns (nfd) == -1)
{
args->rv = VNET_API_ERROR_SYSCALL_ERROR_3;
args->error = clib_error_return_unix (0, "setns '%s'",
after we change our net namespace */
if (args->host_namespace)
{
- old_netns_fd = open ("/proc/self/ns/net", O_RDONLY);
- if ((nfd = open_netns_fd ((char *) args->host_namespace)) == -1)
+ old_netns_fd = clib_netns_open (NULL /* self */);
+ if ((nfd = clib_netns_open (args->host_namespace)) == -1)
{
args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
- args->error = clib_error_return_unix (0, "open_netns_fd '%s'",
+ args->error = clib_error_return_unix (0, "clib_netns_open '%s'",
args->host_namespace);
goto error;
}
args->rv = VNET_API_ERROR_NETLINK_ERROR;
goto error;
}
- if (setns (nfd, CLONE_NEWNET) == -1)
+ if (clib_setns (nfd) == -1)
{
args->rv = VNET_API_ERROR_SYSCALL_ERROR_3;
args->error = clib_error_return_unix (0, "setns '%s'",
/* switch back to old net namespace */
if (args->host_namespace)
{
- if (setns (old_netns_fd, CLONE_NEWNET) == -1)
+ if (clib_setns (old_netns_fd) == -1)
{
args->rv = VNET_API_ERROR_SYSCALL_ERROR_2;
args->error = clib_error_return_unix (0, "setns '%s'",
if (vif->net_ns)
{
- old_netns_fd = open ("/proc/self/ns/net", O_RDONLY);
- if ((nfd = open_netns_fd ((char *) vif->net_ns)) == -1)
+ old_netns_fd = clib_netns_open (NULL /* self */);
+ if ((nfd = clib_netns_open (vif->net_ns)) == -1)
{
clib_warning ("Cannot open netns");
goto done;
}
- if (setns (nfd, CLONE_NEWNET) == -1)
+ if (clib_setns (nfd) == -1)
{
clib_warning ("Cannot set ns");
goto done;
done:
if (old_netns_fd != -1)
{
- if (setns (old_netns_fd, CLONE_NEWNET) == -1)
+ if (clib_setns (old_netns_fd) == -1)
{
clib_warning ("Cannot set old ns");
}