ip_rt_ioctl 220 include/net/route.h int ip_rt_ioctl(struct net *, unsigned int cmd, struct rtentry *rt); ip_rt_ioctl 927 net/ipv4/af_inet.c err = ip_rt_ioctl(net, cmd, &rt); ip_rt_ioctl 400 net/ipv4/ipconfig.c if ((err = ip_rt_ioctl(&init_net, SIOCADDRT, &rm)) < 0) {