94     struct ifreq request = createRequest();  in setMtu()  local
96     strncpy(request.ifr_name, mInterfaceName.c_str(), sizeof(request.ifr_name));  in setMtu()
97     request.ifr_mtu = mtu;  in setMtu()
98     int status = ::ioctl(mSocketFd, SIOCSIFMTU, &request);  in setMtu()
114     } request;  in setAddress()  local
116     memset(&request, 0, sizeof(request));  in setAddress()
118     request.hdr.nlmsg_len = NLMSG_LENGTH(sizeof(request.msg));  in setAddress()
119     request.hdr.nlmsg_type = RTM_NEWADDR;  in setAddress()
120     request.hdr.nlmsg_flags = NLM_F_REQUEST |  in setAddress()
125     request.msg.ifa_family = AF_INET;  in setAddress()
127     request.msg.ifa_prefixlen = __builtin_popcount(subnetMask);  in setAddress()
128     request.msg.ifa_index = mIndex;  in setAddress()
130     addRouterAttribute(request, IFA_ADDRESS, &address, sizeof(address));  in setAddress()
131     addRouterAttribute(request, IFA_LOCAL, &address, sizeof(address));  in setAddress()
133     addRouterAttribute(request, IFA_BROADCAST, &broadcast, sizeof(broadcast));  in setAddress()
139     int status = ::sendto(mSocketFd, &request, request.hdr.nlmsg_len, 0,  in setAddress()
172     struct ifreq request;  in createRequest()  local
173     memset(&request, 0, sizeof(request));  in createRequest()
174     strncpy(request.ifr_name, mInterfaceName.c_str(), sizeof(request.ifr_name));  in createRequest()
175     request.ifr_name[sizeof(request.ifr_name) - 1] = '\0';  in createRequest()
177     return request;  in createRequest()
181     struct ifreq request = createRequest();  in populateIndex()  local
183     int status = ::ioctl(mSocketFd, SIOCGIFINDEX, &request);  in populateIndex()
188     mIndex = request.ifr_ifindex;  in populateIndex()
193     struct ifreq request = createRequest();  in populateMacAddress()  local
195     int status = ::ioctl(mSocketFd, SIOCGIFHWADDR, &request);  in populateMacAddress()
200     memcpy(mMacAddress, &request.ifr_hwaddr.sa_data, ETH_ALEN);  in populateMacAddress()
205     struct ifreq request = createRequest();  in setInterfaceUp()  local
207     int status = ::ioctl(mSocketFd, SIOCGIFFLAGS, &request);  in setInterfaceUp()
213     bool isUp = (request.ifr_flags & IFF_UP) != 0;  in setInterfaceUp()
216         request.ifr_flags ^= IFF_UP;  in setInterfaceUp()
222     status = ::ioctl(mSocketFd, SIOCSIFFLAGS, &request);  in setInterfaceUp()