iplink.c revision ae665a522bd46bea44c5ea84c89c8b1731954170
1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger/* 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * iplink.c "ip link". 3aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 4aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * This program is free software; you can redistribute it and/or 5aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * modify it under the terms of the GNU General Public License 6aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * as published by the Free Software Foundation; either version 7aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 2 of the License, or (at your option) any later version. 8aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 9aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 11aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger */ 12aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <syslog.h> 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <errno.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if_packet.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if_ether.h> 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/sockios.h> 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/in.h> 25aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <arpa/inet.h> 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 27aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/ioctl.h> 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/sockios.h> 29aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "rt_names.h" 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "ip_common.h" 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) __attribute__((noreturn)); 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid iplink_usage(void) 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 39d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, "Usage: ip link set DEVICE { up | down |\n"); 40d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, " arp { on | off } |\n"); 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " dynamic { on | off } |\n"); 42d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, " multicast { on | off } |\n"); 43d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, " allmulticast { on | off } |\n"); 44d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, " promisc { on | off } |\n"); 45d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, " trailers { on | off } |\n"); 46d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger fprintf(stderr, " txqueuelen PACKETS |\n"); 47aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " name NEWNAME |\n"); 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " address LLADDR | broadcast LLADDR |\n"); 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " mtu MTU }\n"); 50aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " ip link show [ DEVICE ]\n"); 51aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 52aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 53aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger iplink_usage(); 57aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int on_off(char *msg) 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 61aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: argument of \"%s\" must be \"on\" or \"off\"\n", msg); 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int get_ctl_fd(void) 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s_errno; 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(PF_INET, SOCK_DGRAM, 0); 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return fd; 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s_errno = errno; 74aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(PF_PACKET, SOCK_DGRAM, 0); 75aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 76aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return fd; 77aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(PF_INET6, SOCK_DGRAM, 0); 78aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 79aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return fd; 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger errno = s_errno; 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("Cannot create control socket"); 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 8571058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int do_chflags(const char *dev, __u32 flags, __u32 mask) 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 89aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 9171058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = get_ctl_fd(); 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = ioctl(fd, SIOCGIFFLAGS, &ifr); 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err) { 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCGIFFLAGS"); 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((ifr.ifr_flags^flags)&mask) { 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ifr.ifr_flags &= ~mask; 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ifr.ifr_flags |= mask&flags; 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = ioctl(fd, SIOCSIFFLAGS, &ifr); 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err) 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFFLAGS"); 107aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 11271058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int do_changename(const char *dev, const char *newdev) 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 117aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 11871058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 11971058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_newname, newdev, IFNAMSIZ); 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = get_ctl_fd(); 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 123aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = ioctl(fd, SIOCSIFNAME, &ifr); 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err) { 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFNAME"); 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 129aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 130aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 131aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 132aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 13371058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int set_qlen(const char *dev, int qlen) 134aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 135aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = get_ctl_fd(); 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (s < 0) 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 143ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 144ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger ifr.ifr_qlen = qlen; 145aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, SIOCSIFTXQLEN, &ifr) < 0) { 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFXQLEN"); 147aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 152ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 15571058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int set_mtu(const char *dev, int mtu) 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = get_ctl_fd(); 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (s < 0) 162aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 165ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 166ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger ifr.ifr_mtu = mtu; 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, SIOCSIFMTU, &ifr) < 0) { 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFMTU"); 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 174ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 17771058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int get_address(const char *dev, int *htype) 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct sockaddr_ll me; 181f332d169246447bd5e258ac03d5ee840a70adb1eshemminger socklen_t alen; 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = socket(PF_PACKET, SOCK_DGRAM, 0); 185ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (s < 0) { 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("socket(PF_PACKET)"); 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 19171058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) { 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCGIFINDEX"); 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&me, 0, sizeof(me)); 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger me.sll_family = AF_PACKET; 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger me.sll_ifindex = ifr.ifr_ifindex; 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger me.sll_protocol = htons(ETH_P_LOOP); 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bind(s, (struct sockaddr*)&me, sizeof(me)) == -1) { 203aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("bind"); 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger alen = sizeof(me); 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getsockname(s, (struct sockaddr*)&me, &alen) == -1) { 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("getsockname"); 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *htype = me.sll_hatype; 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return me.sll_halen; 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 219ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemmingerstatic int parse_address(const char *dev, int hatype, int halen, 2207b5657545dc246ae37690d660597e8fa37040205shemminger char *lla, struct ifreq *ifr) 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int alen; 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(ifr, 0, sizeof(*ifr)); 22571058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr->ifr_name, dev, IFNAMSIZ); 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ifr->ifr_hwaddr.sa_family = hatype; 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger alen = ll_addr_a2n(ifr->ifr_hwaddr.sa_data, 14, lla); 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (alen < 0) 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (alen != halen) { 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Wrong address (%s) length: expected %d bytes\n", lla, halen); 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 234ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int set_address(struct ifreq *ifr, int brd) 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = get_ctl_fd(); 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (s < 0) 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, brd?SIOCSIFHWBROADCAST:SIOCSIFHWADDR, ifr) < 0) { 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror(brd?"SIOCSIFHWBROADCAST":"SIOCSIFHWADDR"); 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 250ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 253aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int do_set(int argc, char **argv) 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *dev = NULL; 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 mask = 0; 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 flags = 0; 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int qlen = -1; 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int mtu = -1; 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *newaddr = NULL; 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *newbrd = NULL; 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr0, ifr1; 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *newname = NULL; 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int htype, halen; 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "up") == 0) { 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_UP; 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_UP; 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "down") == 0) { 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_UP; 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_UP; 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "name") == 0) { 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger newname = *argv; 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "address") == 0) { 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 279aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger newaddr = *argv; 280aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "broadcast") == 0 || 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(*argv, "brd") == 0) { 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger newbrd = *argv; 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "txqueuelen") == 0 || 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(*argv, "qlen") == 0 || 286aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "txqlen") == 0) { 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (qlen != -1) 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("txqueuelen", *argv); 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&qlen, *argv, 0)) 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("Invalid \"txqueuelen\" value\n", *argv); 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "mtu") == 0) { 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (mtu != -1) 295aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("mtu", *argv); 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&mtu, *argv, 0)) 297aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("Invalid \"mtu\" value\n", *argv); 298aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "multicast") == 0) { 299aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_MULTICAST; 301aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "on") == 0) { 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_MULTICAST; 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "off") == 0) { 304aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_MULTICAST; 305aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 306aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return on_off("multicast"); 307d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "allmulticast") == 0) { 308d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger NEXT_ARG(); 309d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger mask |= IFF_ALLMULTI; 310d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger if (strcmp(*argv, "on") == 0) { 311d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags |= IFF_ALLMULTI; 312d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "off") == 0) { 313d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags &= ~IFF_ALLMULTI; 314d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else 315d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger return on_off("allmulticast"); 316d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "promisc") == 0) { 317d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger NEXT_ARG(); 318d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger mask |= IFF_PROMISC; 319d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger if (strcmp(*argv, "on") == 0) { 320d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags |= IFF_PROMISC; 321d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "off") == 0) { 322d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags &= ~IFF_PROMISC; 323d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else 324d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger return on_off("promisc"); 325d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "trailers") == 0) { 326d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger NEXT_ARG(); 327d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger mask |= IFF_NOTRAILERS; 328d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger if (strcmp(*argv, "off") == 0) { 329d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags |= IFF_NOTRAILERS; 330d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "on") == 0) { 331d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags &= ~IFF_NOTRAILERS; 332d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else 333d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger return on_off("trailers"); 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "arp") == 0) { 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_NOARP; 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "on") == 0) { 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_NOARP; 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "off") == 0) { 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_NOARP; 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return on_off("noarp"); 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef IFF_DYNAMIC 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "dynamic") == 0) { 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_DYNAMIC; 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "on") == 0) { 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_DYNAMIC; 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "off") == 0) { 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_DYNAMIC; 351aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 352aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return on_off("dynamic"); 353aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 354aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 355aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "dev") == 0) { 356aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 357aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 358aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 359aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 360aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (dev) 361aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg2("dev", *argv); 362aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dev = *argv; 363aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 364aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argc--; argv++; 365aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 366aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 367aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!dev) { 368aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Not enough of information: \"dev\" argument is required.\n"); 369aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 370aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 371aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 372aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr || newbrd) { 373aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger halen = get_address(dev, &htype); 374aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (halen < 0) 375aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 376aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr) { 377aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (parse_address(dev, htype, halen, newaddr, &ifr0) < 0) 378aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 379aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 380aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newbrd) { 381aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (parse_address(dev, htype, halen, newbrd, &ifr1) < 0) 382ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 383aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 384aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 385aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 386aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newname && strcmp(dev, newname)) { 387aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (do_changename(dev, newname) < 0) 388aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 389aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dev = newname; 390aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 391ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (qlen != -1) { 392aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_qlen(dev, qlen) < 0) 393ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 394aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 395ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (mtu != -1) { 396aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_mtu(dev, mtu) < 0) 397ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 398aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 399aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr || newbrd) { 400aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newbrd) { 401aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_address(&ifr1, 1) < 0) 402ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 403aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 404aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr) { 405aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_address(&ifr0, 0) < 0) 406aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 407aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 408aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 409aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (mask) 410aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return do_chflags(dev, flags, mask); 411aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 412aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 413aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 414aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint do_iplink(int argc, char **argv) 415aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 416aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (argc > 0) { 417aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "set") == 0) 418aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return do_set(argc-1, argv+1); 419aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "show") == 0 || 420aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "lst") == 0 || 421aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "list") == 0) 422aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipaddr_list_link(argc-1, argv+1); 423aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 424aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 425aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 426aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipaddr_list_link(0, NULL); 427aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 428aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command \"%s\" is unknown, try \"ip link help\".\n", *argv); 429aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 430aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 431