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Diffstat (limited to 'src/vnet/devices/af_packet/device.c')
-rw-r--r--src/vnet/devices/af_packet/device.c42
1 files changed, 39 insertions, 3 deletions
diff --git a/src/vnet/devices/af_packet/device.c b/src/vnet/devices/af_packet/device.c
index 2ba3f579c00..2a17e6b3456 100644
--- a/src/vnet/devices/af_packet/device.c
+++ b/src/vnet/devices/af_packet/device.c
@@ -18,6 +18,8 @@
*/
#include <linux/if_packet.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
@@ -205,17 +207,51 @@ af_packet_interface_admin_up_down (vnet_main_t * vnm, u32 hw_if_index,
af_packet_if_t *apif =
pool_elt_at_index (apm->interfaces, hw->dev_instance);
u32 hw_flags;
+ int rv, fd = socket (AF_UNIX, SOCK_DGRAM, 0);
+ struct ifreq ifr;
+
+ /* if interface is a bridge ignore */
+ if (apif->host_if_index < 0)
+ return 0; /* no error */
+
+ /* use host_if_index in case host name has changed */
+ ifr.ifr_ifindex = apif->host_if_index;
+ if ((rv = ioctl (fd, SIOCGIFNAME, &ifr)) < 0)
+ {
+ clib_unix_warning ("af_packet_%s ioctl could not retrieve eth name",
+ apif->host_if_name);
+ }
apif->is_admin_up = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) != 0;
+ if ((rv = ioctl (fd, SIOCGIFFLAGS, &ifr)) < 0)
+ {
+ clib_unix_warning ("af_packet_%s error: %d",
+ apif->is_admin_up ? "up" : "down", rv);
+ }
+
if (apif->is_admin_up)
- hw_flags = VNET_HW_INTERFACE_FLAG_LINK_UP;
+ {
+ hw_flags = VNET_HW_INTERFACE_FLAG_LINK_UP;
+ ifr.ifr_flags |= IFF_UP;
+ }
else
- hw_flags = 0;
+ {
+ hw_flags = 0;
+ ifr.ifr_flags &= ~IFF_UP;
+ }
+
+ if ((rv = ioctl (fd, SIOCSIFFLAGS, &ifr)) < 0)
+ {
+ clib_unix_warning ("af_packet_%s error: %d",
+ apif->is_admin_up ? "up" : "down", rv);
+ }
vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
- return 0;
+ close (fd);
+
+ return 0; /* no error */
}
static clib_error_t *