165 static void ifc_init_ifr(const char *name, struct ifreq *ifr)  in ifc_init_ifr()  argument
167     memset(ifr, 0, sizeof(struct ifreq));  in ifc_init_ifr()
168     strncpy(ifr->ifr_name, name, IFNAMSIZ);  in ifc_init_ifr()
169     ifr->ifr_name[IFNAMSIZ - 1] = 0;  in ifc_init_ifr()
175     struct ifreq ifr;  in ifc_get_hwaddr()  local
176     ifc_init_ifr(name, &ifr);  in ifc_get_hwaddr()
178     r = ioctl(ifc_ctl_sock, SIOCGIFHWADDR, &ifr);  in ifc_get_hwaddr()
181     memcpy(ptr, &ifr.ifr_hwaddr.sa_data, ETH_ALEN);  in ifc_get_hwaddr()
188     struct ifreq ifr;  in ifc_get_ifindex()  local
189     ifc_init_ifr(name, &ifr);  in ifc_get_ifindex()
191     r = ioctl(ifc_ctl_sock, SIOCGIFINDEX, &ifr);  in ifc_get_ifindex()
194     *if_indexp = ifr.ifr_ifindex;  in ifc_get_ifindex()
200     struct ifreq ifr;  in ifc_set_flags()  local
201     ifc_init_ifr(name, &ifr);  in ifc_set_flags()
203     if(ioctl(ifc_ctl_sock, SIOCGIFFLAGS, &ifr) < 0) return -1;  in ifc_set_flags()
204     ifr.ifr_flags = (ifr.ifr_flags & (~clr)) | set;  in ifc_set_flags()
205     return ioctl(ifc_ctl_sock, SIOCSIFFLAGS, &ifr);  in ifc_set_flags()
232     struct ifreq ifr;  in ifc_set_addr()  local
235     ifc_init_ifr(name, &ifr);  in ifc_set_addr()
236     init_sockaddr_in(&ifr.ifr_addr, addr);  in ifc_set_addr()
238     ret = ioctl(ifc_ctl_sock, SIOCSIFADDR, &ifr);  in ifc_set_addr()
424     struct ifreq ifr;  in ifc_set_hwaddr()  local
425     ifc_init_ifr(name, &ifr);  in ifc_set_hwaddr()
427     ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;  in ifc_set_hwaddr()
428     memcpy(&ifr.ifr_hwaddr.sa_data, ptr, ETH_ALEN);  in ifc_set_hwaddr()
429     return ioctl(ifc_ctl_sock, SIOCSIFHWADDR, &ifr);  in ifc_set_hwaddr()
434     struct ifreq ifr;  in ifc_set_mask()  local
437     ifc_init_ifr(name, &ifr);  in ifc_set_mask()
438     init_sockaddr_in(&ifr.ifr_addr, mask);  in ifc_set_mask()
440     ret = ioctl(ifc_ctl_sock, SIOCSIFNETMASK, &ifr);  in ifc_set_mask()
447     struct ifreq ifr;  in ifc_set_prefixLength()  local
452     ifc_init_ifr(name, &ifr);  in ifc_set_prefixLength()
453     init_sockaddr_in(&ifr.ifr_addr, mask);  in ifc_set_prefixLength()
455     return ioctl(ifc_ctl_sock, SIOCSIFNETMASK, &ifr);  in ifc_set_prefixLength()
460     struct ifreq ifr;  in ifc_get_addr()  local
463     ifc_init_ifr(name, &ifr);  in ifc_get_addr()
465         ret = ioctl(ifc_ctl_sock, SIOCGIFADDR, &ifr);  in ifc_get_addr()
469             *addr = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;  in ifc_get_addr()
477     struct ifreq ifr;  in ifc_get_info()  local
478     ifc_init_ifr(name, &ifr);  in ifc_get_info()
481         if(ioctl(ifc_ctl_sock, SIOCGIFADDR, &ifr) < 0) {  in ifc_get_info()
484             *addr = ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr;  in ifc_get_info()
489         if(ioctl(ifc_ctl_sock, SIOCGIFNETMASK, &ifr) < 0) {  in ifc_get_info()
493                     ((struct sockaddr_in*) &ifr.ifr_addr)->sin_addr.s_addr);  in ifc_get_info()
498         if(ioctl(ifc_ctl_sock, SIOCGIFFLAGS, &ifr) < 0) {  in ifc_get_info()
501             *flags = ifr.ifr_flags;  in ifc_get_info()
602     struct ifreq ifr;  in ifc_reset_connections()  local
611         ifc_init_ifr(ifname, &ifr);  in ifc_reset_connections()
612         init_sockaddr_in(&ifr.ifr_addr, myaddr);  in ifc_reset_connections()
613         result = ioctl(ifc_ctl_sock, SIOCKILLADDR,  &ifr);  in ifc_reset_connections()