+static inline size_t if_nlmsg_size(int iwbuflen)
+{
+ return NLMSG_ALIGN(sizeof(struct ifinfomsg))
+ + nla_total_size(IFNAMSIZ) /* IFLA_IFNAME */
+ + nla_total_size(IFNAMSIZ) /* IFLA_QDISC */
+ + nla_total_size(sizeof(struct rtnl_link_ifmap))
+ + nla_total_size(sizeof(struct rtnl_link_stats))
+ + nla_total_size(MAX_ADDR_LEN) /* IFLA_ADDRESS */
+ + nla_total_size(MAX_ADDR_LEN) /* IFLA_BROADCAST */
+ + nla_total_size(4) /* IFLA_TXQLEN */
+ + nla_total_size(4) /* IFLA_WEIGHT */
+ + nla_total_size(4) /* IFLA_MTU */
+ + nla_total_size(4) /* IFLA_LINK */
+ + nla_total_size(4) /* IFLA_MASTER */
+ + nla_total_size(1) /* IFLA_OPERSTATE */
+ + nla_total_size(1) /* IFLA_LINKMODE */
+ + nla_total_size(iwbuflen);
+}
+