diff options
Diffstat (limited to 'zebra/if_netlink.c')
| -rw-r--r-- | zebra/if_netlink.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/zebra/if_netlink.c b/zebra/if_netlink.c index acec2db52..bd7673d6c 100644 --- a/zebra/if_netlink.c +++ b/zebra/if_netlink.c @@ -768,6 +768,33 @@ int interface_lookup_netlink(struct zebra_ns *zns) return 0; } +int kernel_interface_set_master(struct interface *master, + struct interface *slave) +{ + struct zebra_ns *zns = zebra_ns_lookup(NS_DEFAULT); + + struct { + struct nlmsghdr n; + struct ifinfomsg ifa; + char buf[NL_PKT_BUF_SIZE]; + } req; + + memset(&req, 0, sizeof req); + + req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); + req.n.nlmsg_flags = NLM_F_REQUEST; + req.n.nlmsg_type = RTM_SETLINK; + req.n.nlmsg_pid = zns->netlink_cmd.snl.nl_pid; + + req.ifa.ifi_index = slave->ifindex; + + addattr_l(&req.n, sizeof req, IFLA_MASTER, &master->ifindex, 4); + addattr_l(&req.n, sizeof req, IFLA_LINK, &slave->ifindex, 4); + + return netlink_talk(netlink_talk_filter, &req.n, &zns->netlink_cmd, zns, + 0); +} + /* Interface address modification. */ static int netlink_address(int cmd, int family, struct interface *ifp, struct connected *ifc) |