diff options
Diffstat (limited to 'src/vnet/devices/virtio')
-rw-r--r-- | src/vnet/devices/virtio/tap.c | 78 |
1 files changed, 2 insertions, 76 deletions
diff --git a/src/vnet/devices/virtio/tap.c b/src/vnet/devices/virtio/tap.c index 658ba6bfc68..f6db2c90616 100644 --- a/src/vnet/devices/virtio/tap.c +++ b/src/vnet/devices/virtio/tap.c @@ -31,6 +31,7 @@ #include <vlib/vlib.h> #include <vlib/unix/unix.h> #include <vnet/ethernet/ethernet.h> +#include <vnet/devices/netlink.h> #include <vnet/devices/virtio/virtio.h> #include <vnet/devices/virtio/tap.h> @@ -49,81 +50,6 @@ virtio_eth_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, return 0; } - -clib_error_t * -clib_netlink_set_if_attr (int ifindex, unsigned short rta_type, void *data, - int data_len) -{ - clib_error_t *err = 0; - int sock; - struct sockaddr_nl ra = { 0 }; - struct - { - struct nlmsghdr nh; - struct ifinfomsg ifmsg; - char attrbuf[512]; - } req; - struct rtattr *rta; - - memset (&req, 0, sizeof (req)); - if ((sock = socket (AF_NETLINK, SOCK_RAW, NETLINK_ROUTE)) == -1) - { - err = clib_error_return_unix (0, "socket(AF_NETLINK)"); - goto error; - } - - ra.nl_family = AF_NETLINK; - ra.nl_pid = getpid (); - - if ((bind (sock, (struct sockaddr *) &ra, sizeof (ra))) == -1) - return clib_error_return_unix (0, "bind"); - - req.nh.nlmsg_len = NLMSG_LENGTH (sizeof (struct ifinfomsg)); - req.nh.nlmsg_flags = NLM_F_REQUEST; - req.nh.nlmsg_type = RTM_SETLINK; - req.ifmsg.ifi_family = AF_UNSPEC; - req.ifmsg.ifi_index = ifindex; - req.ifmsg.ifi_change = 0xffffffff; - rta = (struct rtattr *) (((char *) &req) + NLMSG_ALIGN (req.nh.nlmsg_len)); - rta->rta_type = rta_type; - rta->rta_len = RTA_LENGTH (data_len); - req.nh.nlmsg_len = NLMSG_ALIGN (req.nh.nlmsg_len) + RTA_LENGTH (data_len); - memcpy (RTA_DATA (rta), data, data_len); - - if ((send (sock, &req, req.nh.nlmsg_len, 0)) == -1) - err = clib_error_return_unix (0, "send"); - -error: - return err; -} - -clib_error_t * -clib_netlink_set_if_mtu (int ifindex, int mtu) -{ - clib_error_t *err; - - err = clib_netlink_set_if_attr (ifindex, IFLA_MTU, &mtu, sizeof (int)); - return err; -} - -clib_error_t * -clib_netlink_set_if_namespace (int ifindex, char *net_ns) -{ - clib_error_t *err; - int ns_fd; - u8 *s; - s = format (0, "/var/run/netns/%s%c", net_ns, 0); - ns_fd = open ((char *) s, O_RDONLY); - vec_free (s); - if (ns_fd == -1) - return clib_error_return (0, "namespace '%s' doesn't exist", net_ns); - - err = - clib_netlink_set_if_attr (ifindex, IFLA_NET_NS_FD, &ns_fd, sizeof (int)); - close (ns_fd); - return err; -} - int tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) { @@ -196,7 +122,7 @@ tap_create_if (vlib_main_t * vm, tap_create_if_args_t * args) if (args->net_ns) { - err = clib_netlink_set_if_namespace (vif->ifindex, + err = vnet_netlink_set_if_namespace (vif->ifindex, (char *) args->net_ns); if (err) { |