diff options
Diffstat (limited to 'src/vnet/devices/af_packet/device.c')
| -rw-r--r-- | src/vnet/devices/af_packet/device.c | 42 |
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 2ba3f579..2a17e6b3 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 * |