437         struct nlmsghdr  nh;  in UpdateUnicastLinux()  member
444     req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct ifaddrmsg));  in UpdateUnicastLinux()
445     req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | (aIsAdded ? (NLM_F_CREATE | NLM_F_EXCL) : 0);  in UpdateUnicastLinux()
446     req.nh.nlmsg_type  = aIsAdded ? RTM_NEWADDR : RTM_DELADDR;  in UpdateUnicastLinux()
447     req.nh.nlmsg_pid   = 0;  in UpdateUnicastLinux()
448     req.nh.nlmsg_seq   = ++sNetlinkSequence;  in UpdateUnicastLinux()
456 … AddRtAttr(&req.nh, sizeof(req), IFA_LOCAL, aAddressInfo.mAddress, sizeof(*aAddressInfo.mAddress));  in UpdateUnicastLinux()
465         AddRtAttr(&req.nh, sizeof(req), IFA_CACHEINFO, &cacheinfo, sizeof(cacheinfo));  in UpdateUnicastLinux()
475             AddRtAttrUint32(&req.nh, sizeof(req), IFA_FLAGS, IFA_F_NOPREFIXROUTE);  in UpdateUnicastLinux()
486 …AddRtAttrUint32(&req.nh, sizeof(req), IFA_RT_PRIORITY, OPENTHREAD_POSIX_CONFIG_NETIF_PREFIX_ROUTE_…  in UpdateUnicastLinux()
491     if (send(sNetlinkFd, &req, req.nh.nlmsg_len, 0) != -1)  in UpdateUnicastLinux()
1976         struct nlmsghdr  nh;  member
1985     req.nh.nlmsg_len   = NLMSG_LENGTH(sizeof(struct ifinfomsg));
1986     req.nh.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
1987     req.nh.nlmsg_type  = RTM_NEWLINK;
1988     req.nh.nlmsg_pid   = 0;
1989     req.nh.nlmsg_seq   = ++sNetlinkSequence;
1996         struct rtattr *afSpec  = AddRtAttr(&req.nh, sizeof(req), IFLA_AF_SPEC, 0, 0);
1997         struct rtattr *afInet6 = AddRtAttr(&req.nh, sizeof(req), AF_INET6, 0, 0);
1999             AddRtAttr(&req.nh, sizeof(req), IFLA_INET6_ADDR_GEN_MODE, &mode, sizeof(mode));
2005     if (send(sNetlinkFd, &req, req.nh.nlmsg_len, 0) != -1)