iplink.c revision 0dc34c7713bb7055378fe5cbc720d63d0db572a1
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> 181d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#include <dlfcn.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <errno.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if_packet.h> 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if_ether.h> 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/sockios.h> 25aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/in.h> 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <arpa/inet.h> 27aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/ioctl.h> 29aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/sockios.h> 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "rt_names.h" 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "ip_common.h" 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 351d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#define IPLINK_IOCTL_COMPAT 1 365e3bb534ae179be141a92eb1a4e2eb48094193b7Andreas Henriksson#ifndef LIBDIR 375e3bb534ae179be141a92eb1a4e2eb48094193b7Andreas Henriksson#define LIBDIR "/usr/lib/" 38b514b3587ee56552fcc87a066c955a7ff4f55d6fRafael Almeida#endif 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) __attribute__((noreturn)); 41750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemmingerstatic int iplink_have_newlink(void); 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid iplink_usage(void) 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 45750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger if (iplink_have_newlink()) { 46750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, "Usage: ip link add link DEV [ name ] NAME\n"); 47750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ txqueuelen PACKETS ]\n"); 48750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ address LLADDR ]\n"); 49750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ broadcast LLADDR ]\n"); 50750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ mtu MTU ]\n"); 51750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " type TYPE [ ARGS ]\n"); 52750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " ip link delete DEV type TYPE [ ARGS ]\n"); 53750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, "\n"); 54db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru fprintf(stderr, " ip link set { dev DEVICE | group DEVGROUP } [ { up | down } ]\n"); 55750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger } else 56750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, "Usage: ip link set DEVICE [ { up | down } ]\n"); 57750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger 58750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ arp { on | off } ]\n"); 59750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ dynamic { on | off } ]\n"); 60750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ multicast { on | off } ]\n"); 61750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ allmulticast { on | off } ]\n"); 62750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ promisc { on | off } ]\n"); 63750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ trailers { on | off } ]\n"); 64750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ txqueuelen PACKETS ]\n"); 65750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ name NEWNAME ]\n"); 66750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ address LLADDR ]\n"); 67750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ broadcast LLADDR ]\n"); 68750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ mtu MTU ]\n"); 69750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, " [ netns PID ]\n"); 700dc34c7713bb7055378fe5cbc720d63d0db572a1Eric W. Biederman fprintf(stderr, " [ netns NAME ]\n"); 71ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger fprintf(stderr, " [ alias NAME ]\n"); 72ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A fprintf(stderr, " [ vf NUM [ mac LLADDR ]\n"); 73ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A fprintf(stderr, " [ vlan VLANID [ qos VLAN-QOS ] ]\n"); 741598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger fprintf(stderr, " [ rate TXRATE ] ] \n"); 75a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko fprintf(stderr, " [ master DEVICE ]\n"); 76a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko fprintf(stderr, " [ nomaster ]\n"); 77f960c92aac1838e0f336c0ca0f657bb55a42d8e9Vlad Dogaru fprintf(stderr, " ip link show [ DEVICE | group GROUP ]\n"); 78750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger 79750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger if (iplink_have_newlink()) { 80750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger fprintf(stderr, "\n"); 815a2044782b6a0eb7594d3b3e2e32bbd6a63e77f1Wolfgang Grandegger fprintf(stderr, "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | can }\n"); 82750a405a5a6f6cdae7d14609b49051e59738177eStephen Hemminger } 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger iplink_usage(); 89aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int on_off(char *msg) 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: argument of \"%s\" must be \"on\" or \"off\"\n", msg); 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 971d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystatic void *BODY; /* cached dlopen(NULL) handle */ 981d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystatic struct link_util *linkutil_list; 991d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1001d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystruct link_util *get_link_kind(const char *id) 1011d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy{ 1021d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy void *dlh; 1031d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy char buf[256]; 1041d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct link_util *l; 1051d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1061d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy for (l = linkutil_list; l; l = l->next) 1071d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(l->id, id) == 0) 1081d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return l; 1091d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1105e3bb534ae179be141a92eb1a4e2eb48094193b7Andreas Henriksson snprintf(buf, sizeof(buf), LIBDIR "/ip/link_%s.so", id); 1111d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy dlh = dlopen(buf, RTLD_LAZY); 1121d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (dlh == NULL) { 1131d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy /* look in current binary, only open once */ 1141d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy dlh = BODY; 1151d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (dlh == NULL) { 1161d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy dlh = BODY = dlopen(NULL, RTLD_LAZY); 1171d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (dlh == NULL) 1181d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return NULL; 1191d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 1201d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 1211d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1221d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy snprintf(buf, sizeof(buf), "%s_link_util", id); 1231d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy l = dlsym(dlh, buf); 1241d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (l == NULL) 1251d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return NULL; 1261d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1271d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy l->next = linkutil_list; 1281d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy linkutil_list = l; 1291d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return l; 1301d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy} 1311d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1321d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#if IPLINK_IOCTL_COMPAT 1331d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystatic int have_rtnl_newlink = -1; 1341d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1351d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystatic int accept_msg(const struct sockaddr_nl *who, 1361d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct nlmsghdr *n, void *arg) 1371d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy{ 1381d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n); 1391d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 14066e529f579f45351828fc82d6ba2629cc6eb3dddPatrick McHardy if (n->nlmsg_type == NLMSG_ERROR && 14166e529f579f45351828fc82d6ba2629cc6eb3dddPatrick McHardy (err->error == -EOPNOTSUPP || err->error == -EINVAL)) 1421d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy have_rtnl_newlink = 0; 1431d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy else 1441d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy have_rtnl_newlink = 1; 1451d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return -1; 1461d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy} 1471d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1481d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystatic int iplink_have_newlink(void) 1491d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy{ 1501d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct { 1511d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct nlmsghdr n; 1521d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct ifinfomsg i; 1531d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy char buf[1024]; 1541d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } req; 1551d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1561d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (have_rtnl_newlink < 0) { 1571d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy memset(&req, 0, sizeof(req)); 1581d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1591d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); 1601d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy req.n.nlmsg_flags = NLM_F_REQUEST|NLM_F_ACK; 1611d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy req.n.nlmsg_type = RTM_NEWLINK; 1621d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy req.i.ifi_family = AF_UNSPEC; 1631d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 1641d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy rtnl_send(&rth, (char *)&req.n, req.n.nlmsg_len); 1651d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy rtnl_listen(&rth, accept_msg, NULL); 1661d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 1671d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return have_rtnl_newlink; 1681d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy} 1691d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#else /* IPLINK_IOCTL_COMPAT */ 1701d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardystatic int iplink_have_newlink(void) 1711d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy{ 1721d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return 1; 1731d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy} 1741d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#endif /* ! IPLINK_IOCTL_COMPAT */ 1751d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 176909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanovstruct iplink_req { 177909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov struct nlmsghdr n; 178909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov struct ifinfomsg i; 179909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov char buf[1024]; 180909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov}; 181909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov 1821598b9ef7b6704af5126d632e324323703ca8112Stephen Hemmingerint iplink_parse_vf(int vf, int *argcp, char ***argvp, 1831598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger struct iplink_req *req) 1843fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright{ 1853fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright int len, argc = *argcp; 1863fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright char **argv = *argvp; 1873fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright struct rtattr *vfinfo; 1881598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger 1891598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger vfinfo = addattr_nest(&req->n, sizeof(*req), IFLA_VF_INFO); 1903fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright 1913fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright while (NEXT_ARG_OK()) { 1923fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright NEXT_ARG(); 1931598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger if (matches(*argv, "mac") == 0) { 1941598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger struct ifla_vf_mac ivm; 1953fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright NEXT_ARG(); 1961598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger ivm.vf = vf; 1971598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger len = ll_addr_a2n((char *)ivm.mac, 32, *argv); 1981598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger if (len < 0) 1991598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger return -1; 2001598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger addattr_l(&req->n, sizeof(*req), IFLA_VF_MAC, &ivm, sizeof(ivm)); 2013fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } else if (matches(*argv, "vlan") == 0) { 2021598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger struct ifla_vf_vlan ivv; 2033fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright NEXT_ARG(); 2041598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger if (get_unsigned(&ivv.vlan, *argv, 0)) { 2051598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger invarg("Invalid \"vlan\" value\n", *argv); 2061598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger } 2071598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger ivv.vf = vf; 2081598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger ivv.qos = 0; 2093fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright if (NEXT_ARG_OK()) { 2103fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright NEXT_ARG(); 2113fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright if (matches(*argv, "qos") == 0) { 2123fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright NEXT_ARG(); 2131598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger if (get_unsigned(&ivv.qos, *argv, 0)) { 2141598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger invarg("Invalid \"qos\" value\n", *argv); 2151598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger } 2163fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } else { 2173fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright /* rewind arg */ 2183fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright PREV_ARG(); 2193fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } 2203fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } 2211598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger addattr_l(&req->n, sizeof(*req), IFLA_VF_VLAN, &ivv, sizeof(ivv)); 2223fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } else if (matches(*argv, "rate") == 0) { 2231598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger struct ifla_vf_tx_rate ivt; 2243fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright NEXT_ARG(); 2251598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger if (get_unsigned(&ivt.rate, *argv, 0)) { 2261598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger invarg("Invalid \"rate\" value\n", *argv); 2271598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger } 2281598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger ivt.vf = vf; 2291598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger addattr_l(&req->n, sizeof(*req), IFLA_VF_TX_RATE, &ivt, sizeof(ivt)); 2301598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger 2313fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } else { 2323fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright /* rewind arg */ 2333fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright PREV_ARG(); 2343fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright break; 2353fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } 2363fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright } 2373fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright 2383fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright if (argc == *argcp) 2393fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright incomplete_command(); 2403fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright 2411598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger addattr_nest_end(&req->n, vfinfo); 2423fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright 2433fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright *argcp = argc; 2443fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright *argvp = argv; 2451598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger return 0; 2463fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright} 2473fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright 2483fd86630876aed8a23e4f2c2d72e68cbb2ee331aChris Wright 249909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanovint iplink_parse(int argc, char **argv, struct iplink_req *req, 250db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru char **name, char **type, char **link, char **dev, int *group) 2511d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy{ 252909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov int ret, len; 253909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov char abuf[32]; 2541d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy int qlen = -1; 2551d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy int mtu = -1; 256e2613dc8605e56dbc53890ebbae263f93610bd41Benjamin Thery int netns = -1; 257ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A int vf = -1; 2581d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 259db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru *group = -1; 260909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov ret = argc; 2611d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 2621d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy while (argc > 0) { 2631d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "up") == 0) { 264909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_UP; 265909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_UP; 2661d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "down") == 0) { 267909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_UP; 268909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_UP; 2691d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "name") == 0) { 2701d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 271909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov *name = *argv; 2721d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (matches(*argv, "link") == 0) { 2731d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 274909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov *link = *argv; 2751d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (matches(*argv, "address") == 0) { 2761d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 2771d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy len = ll_addr_a2n(abuf, sizeof(abuf), *argv); 278cb2eb9997a0292a144968d117f4d831c155ca71dAndreas Henriksson if (len < 0) 279cb2eb9997a0292a144968d117f4d831c155ca71dAndreas Henriksson return -1; 280909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, len); 2811d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (matches(*argv, "broadcast") == 0 || 282909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov strcmp(*argv, "brd") == 0) { 2831d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 2841d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy len = ll_addr_a2n(abuf, sizeof(abuf), *argv); 285cb2eb9997a0292a144968d117f4d831c155ca71dAndreas Henriksson if (len < 0) 286cb2eb9997a0292a144968d117f4d831c155ca71dAndreas Henriksson return -1; 287909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len); 2881d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (matches(*argv, "txqueuelen") == 0 || 289909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov strcmp(*argv, "qlen") == 0 || 290909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov matches(*argv, "txqlen") == 0) { 2911d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 2921d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (qlen != -1) 2931d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy duparg("txqueuelen", *argv); 2941d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (get_integer(&qlen, *argv, 0)) 2951d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy invarg("Invalid \"txqueuelen\" value\n", *argv); 296909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4); 2971d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "mtu") == 0) { 2981d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 2991d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (mtu != -1) 3001d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy duparg("mtu", *argv); 3011d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (get_integer(&mtu, *argv, 0)) 3021d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy invarg("Invalid \"mtu\" value\n", *argv); 303909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4); 304e2613dc8605e56dbc53890ebbae263f93610bd41Benjamin Thery } else if (strcmp(*argv, "netns") == 0) { 305e2613dc8605e56dbc53890ebbae263f93610bd41Benjamin Thery NEXT_ARG(); 306e2613dc8605e56dbc53890ebbae263f93610bd41Benjamin Thery if (netns != -1) 307e2613dc8605e56dbc53890ebbae263f93610bd41Benjamin Thery duparg("netns", *argv); 3080dc34c7713bb7055378fe5cbc720d63d0db572a1Eric W. Biederman if ((netns = get_netns_fd(*argv)) >= 0) 3090dc34c7713bb7055378fe5cbc720d63d0db572a1Eric W. Biederman addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, &netns, 4); 3100dc34c7713bb7055378fe5cbc720d63d0db572a1Eric W. Biederman else if (get_integer(&netns, *argv, 0) == 0) 3110dc34c7713bb7055378fe5cbc720d63d0db572a1Eric W. Biederman addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, &netns, 4); 3120dc34c7713bb7055378fe5cbc720d63d0db572a1Eric W. Biederman else 313e2613dc8605e56dbc53890ebbae263f93610bd41Benjamin Thery invarg("Invalid \"netns\" value\n", *argv); 3141d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "multicast") == 0) { 3151d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 316909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_MULTICAST; 3171d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "on") == 0) { 318909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_MULTICAST; 3191d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "off") == 0) { 320909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_MULTICAST; 3211d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else 3221d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return on_off("multicast"); 3231d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "allmulticast") == 0) { 3241d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 325909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_ALLMULTI; 3261d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "on") == 0) { 327909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_ALLMULTI; 3281d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "off") == 0) { 329909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_ALLMULTI; 3301d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else 3311d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return on_off("allmulticast"); 3321d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "promisc") == 0) { 3331d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 334909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_PROMISC; 3351d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "on") == 0) { 336909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_PROMISC; 3371d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "off") == 0) { 338909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_PROMISC; 3391d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else 3401d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return on_off("promisc"); 3411d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "trailers") == 0) { 3421d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 343909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_NOTRAILERS; 3441d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "off") == 0) { 345909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_NOTRAILERS; 3461d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "on") == 0) { 347909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_NOTRAILERS; 3481d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else 3491d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return on_off("trailers"); 3501d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "arp") == 0) { 3511d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 352909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_NOARP; 3531d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "on") == 0) { 354909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_NOARP; 3551d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "off") == 0) { 356909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_NOARP; 3571d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else 3581d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return on_off("noarp"); 359ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A } else if (strcmp(*argv, "vf") == 0) { 3601598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger struct rtattr *vflist; 361ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A NEXT_ARG(); 362ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A if (get_integer(&vf, *argv, 0)) { 363ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A invarg("Invalid \"vf\" value\n", *argv); 364ae7229d5f99ed9d7fd6ae11bcc726b80e8f8cb87Williams, Mitch A } 3651598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger vflist = addattr_nest(&req->n, sizeof(*req), 3661598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger IFLA_VFINFO_LIST); 3671598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger len = iplink_parse_vf(vf, &argc, &argv, req); 3681598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger if (len < 0) 3691598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger return -1; 3701598b9ef7b6704af5126d632e324323703ca8112Stephen Hemminger addattr_nest_end(&req->n, vflist); 371a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko } else if (matches(*argv, "master") == 0) { 372a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko int ifindex; 373a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko NEXT_ARG(); 374a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko ifindex = ll_name_to_index(*argv); 375a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko if (!ifindex) 376a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko invarg("Device does not exist\n", *argv); 377a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko addattr_l(&req->n, sizeof(*req), IFLA_MASTER, 378a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko &ifindex, 4); 379a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko } else if (matches(*argv, "nomaster") == 0) { 380a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko int ifindex = 0; 381a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko addattr_l(&req->n, sizeof(*req), IFLA_MASTER, 382a1e191b90c35f5ef5d7dfba5ad8b5b7a7f57a421Jiri Pirko &ifindex, 4); 3831d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (matches(*argv, "dynamic") == 0) { 3841d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 385909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_change |= IFF_DYNAMIC; 3861d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (strcmp(*argv, "on") == 0) { 387909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags |= IFF_DYNAMIC; 3881d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (strcmp(*argv, "off") == 0) { 389909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req->i.ifi_flags &= ~IFF_DYNAMIC; 3901d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else 3911d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return on_off("dynamic"); 3921d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (matches(*argv, "type") == 0) { 3931d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 394909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov *type = *argv; 3951d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy argc--; argv++; 3961d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy break; 397ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger } else if (matches(*argv, "alias") == 0) { 398ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger NEXT_ARG(); 399ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS, 400ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger *argv, strlen(*argv)); 401ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger argc--; argv++; 402ace9c96121b10ff8f91d79b7486bb8a5520c12dfStephen Hemminger break; 403db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru } else if (strcmp(*argv, "group") == 0) { 404db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru NEXT_ARG(); 405db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (*group != -1) 406db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru duparg("group", *argv); 407db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (rtnl_group_a2n(group, *argv)) 408db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru invarg("Invalid \"group\" value\n", *argv); 4091d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else { 410909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov if (strcmp(*argv, "dev") == 0) { 4111d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NEXT_ARG(); 4121d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 413053255520216654c6914e84b0a37e86c542898bdPatrick McHardy if (matches(*argv, "help") == 0) 414053255520216654c6914e84b0a37e86c542898bdPatrick McHardy usage(); 415909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov if (*dev) 4161d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy duparg2("dev", *argv); 417909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov *dev = *argv; 4181d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 4191d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy argc--; argv++; 4201d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 4211d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 422909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov return ret - argc; 423909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov} 424909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov 425909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanovstatic int iplink_modify(int cmd, unsigned int flags, int argc, char **argv) 426909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov{ 427909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov int len; 428909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov char *dev = NULL; 429909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov char *name = NULL; 430909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov char *link = NULL; 431909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov char *type = NULL; 432db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru int group; 433909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov struct link_util *lu = NULL; 434909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov struct iplink_req req; 435909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov int ret; 436909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov 437909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov memset(&req, 0, sizeof(req)); 438909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov 439909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)); 440909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req.n.nlmsg_flags = NLM_F_REQUEST|flags; 441909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req.n.nlmsg_type = cmd; 442909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov req.i.ifi_family = preferred_family; 443909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov 444db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru ret = iplink_parse(argc, argv, &req, &name, &type, &link, &dev, &group); 445909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov if (ret < 0) 446909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov return ret; 447909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov 448909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov argc -= ret; 449909dfe2c7ebcfe853b2fe4f995be1c4681d5a2a5Pavel Emelyanov argv += ret; 450db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru 451db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (group != -1) { 452db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (dev) 453db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru addattr_l(&req.n, sizeof(req), IFLA_GROUP, 454db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru &group, sizeof(group)); 455db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru else { 456db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (argc) { 457db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru fprintf(stderr, "Garbage instead of arguments " 458db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru "\"%s ...\". Try \"ip link " 459db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru "help\".\n", *argv); 460db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru return -1; 461db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru } 462db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (flags & NLM_F_CREATE) { 463db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru fprintf(stderr, "group cannot be used when " 464db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru "creating devices.\n"); 465db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru return -1; 466db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru } 467db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru 468db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru req.i.ifi_index = 0; 469db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru addattr32(&req.n, sizeof(req), IFLA_GROUP, group); 470db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) 471db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru exit(2); 472db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru return 0; 473db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru } 474db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru } 475db02608b6f408998ea8c823fb791cead3e574f50Vlad Dogaru 4761d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy ll_init_map(&rth); 4771d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 4781d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (type) { 4791d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct rtattr *linkinfo = NLMSG_TAIL(&req.n); 4801d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy addattr_l(&req.n, sizeof(req), IFLA_LINKINFO, NULL, 0); 4811d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, 4821d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy strlen(type)); 4831d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 4841d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy lu = get_link_kind(type); 4851d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (lu && argc) { 4861d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy struct rtattr * data = NLMSG_TAIL(&req.n); 4871d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy addattr_l(&req.n, sizeof(req), IFLA_INFO_DATA, NULL, 0); 4881d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 4891d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (lu->parse_opt && 4901d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy lu->parse_opt(lu, argc, argv, &req.n)) 4911d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return -1; 4921d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 4931d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy data->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)data; 4941d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else if (argc) { 4951d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (matches(*argv, "help") == 0) 4961d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy usage(); 4971d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy fprintf(stderr, "Garbage instead of arguments \"%s ...\". " 4981d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy "Try \"ip link help\".\n", *argv); 4991d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return -1; 5001d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5011d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy linkinfo->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)linkinfo; 5023ef0c8594283d4891e84b4b8d7d04901416aeae0Patrick McHardy } else if (flags & NLM_F_CREATE) { 5033ef0c8594283d4891e84b4b8d7d04901416aeae0Patrick McHardy fprintf(stderr, "Not enough information: \"type\" argument " 5043ef0c8594283d4891e84b4b8d7d04901416aeae0Patrick McHardy "is required\n"); 5053ef0c8594283d4891e84b4b8d7d04901416aeae0Patrick McHardy return -1; 5061d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5071d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5081d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (!(flags & NLM_F_CREATE)) { 5091d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (!dev) { 5101d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy fprintf(stderr, "Not enough information: \"dev\" " 5111d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy "argument is required.\n"); 5121d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy exit(-1); 5131d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5141d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5151d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy req.i.ifi_index = ll_name_to_index(dev); 5161d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (req.i.ifi_index == 0) { 5171d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy fprintf(stderr, "Cannot find device \"%s\"\n", dev); 5181d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return -1; 5191d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5201d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else { 5211d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy /* Allow "ip link add dev" and "ip link add name" */ 5221d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (!name) 5231d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy name = dev; 5241d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5251d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (link) { 5261d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy int ifindex; 5271d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5281d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy ifindex = ll_name_to_index(link); 5291d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (ifindex == 0) { 5301d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy fprintf(stderr, "Cannot find device \"%s\"\n", 5311d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy link); 5321d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return -1; 5331d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5341d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy addattr_l(&req.n, sizeof(req), IFLA_LINK, &ifindex, 4); 5351d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5361d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5371d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5381d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (name) { 5391d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy len = strlen(name) + 1; 540ca78b0e7d4042be7f7283d551d433b76da7f312bPatrick McHardy if (len == 1) 541ca78b0e7d4042be7f7283d551d433b76da7f312bPatrick McHardy invarg("\"\" is not a valid device identifier\n", "name"); 5421d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (len > IFNAMSIZ) 543ca78b0e7d4042be7f7283d551d433b76da7f312bPatrick McHardy invarg("\"name\" too long\n", name); 5441d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len); 5451d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 5461d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5471d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) 5481d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy exit(2); 5491d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5501d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return 0; 5511d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy} 5521d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy 5531d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#if IPLINK_IOCTL_COMPAT 554aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int get_ctl_fd(void) 555aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 556aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s_errno; 557aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 558aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 559aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(PF_INET, SOCK_DGRAM, 0); 560aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 561aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return fd; 562aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s_errno = errno; 563aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(PF_PACKET, SOCK_DGRAM, 0); 564aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 565aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return fd; 566aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(PF_INET6, SOCK_DGRAM, 0); 567aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd >= 0) 568aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return fd; 569aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger errno = s_errno; 570aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("Cannot create control socket"); 571aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 572aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 573aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 57471058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int do_chflags(const char *dev, __u32 flags, __u32 mask) 575aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 576aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 577aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 578aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 579aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 58071058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 581aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = get_ctl_fd(); 582aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) 583aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 584aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = ioctl(fd, SIOCGIFFLAGS, &ifr); 585aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err) { 586aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCGIFFLAGS"); 587aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 588aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 589aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 590aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((ifr.ifr_flags^flags)&mask) { 591aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ifr.ifr_flags &= ~mask; 592aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ifr.ifr_flags |= mask&flags; 593aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = ioctl(fd, SIOCSIFFLAGS, &ifr); 594aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err) 595aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFFLAGS"); 596aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 597aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 598aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 599aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 600aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 60171058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int do_changename(const char *dev, const char *newdev) 602aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 603aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 604aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 605aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 606aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 60771058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 60871058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_newname, newdev, IFNAMSIZ); 609aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = get_ctl_fd(); 610aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) 611aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 612aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = ioctl(fd, SIOCSIFNAME, &ifr); 613aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err) { 614aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFNAME"); 615aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 616aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 617aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 618aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 619aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 620aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 621aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 62271058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int set_qlen(const char *dev, int qlen) 623aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 624aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 625aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 626aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 627aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = get_ctl_fd(); 628aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (s < 0) 629aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 630aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 631aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 632ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 633ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger ifr.ifr_qlen = qlen; 634aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, SIOCSIFTXQLEN, &ifr) < 0) { 635aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFXQLEN"); 636aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 637aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 638aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 639aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 640aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 641ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 642aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 643aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 64471058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int set_mtu(const char *dev, int mtu) 645aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 646aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 647aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 648aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 649aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = get_ctl_fd(); 650aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (s < 0) 651aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 652aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 653aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 654ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 655ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger ifr.ifr_mtu = mtu; 656aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, SIOCSIFMTU, &ifr) < 0) { 657aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCSIFMTU"); 658aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 659aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 660aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 661aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 662aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 663ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 664aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 665aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 66671058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemmingerstatic int get_address(const char *dev, int *htype) 667aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 668aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 669aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct sockaddr_ll me; 670f332d169246447bd5e258ac03d5ee840a70adb1eshemminger socklen_t alen; 671aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 672aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 673aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = socket(PF_PACKET, SOCK_DGRAM, 0); 674ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (s < 0) { 675aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("socket(PF_PACKET)"); 676aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 677aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 678aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 679aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 68071058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr.ifr_name, dev, IFNAMSIZ); 681aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) { 682aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("SIOCGIFINDEX"); 683aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 684aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 685aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 686aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 687aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&me, 0, sizeof(me)); 688aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger me.sll_family = AF_PACKET; 689aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger me.sll_ifindex = ifr.ifr_ifindex; 690aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger me.sll_protocol = htons(ETH_P_LOOP); 691aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bind(s, (struct sockaddr*)&me, sizeof(me)) == -1) { 692aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("bind"); 693aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 694aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 695aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 696aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 697aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger alen = sizeof(me); 698aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getsockname(s, (struct sockaddr*)&me, &alen) == -1) { 699aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("getsockname"); 700aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 701aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 702aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 703aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 704aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *htype = me.sll_hatype; 705aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return me.sll_halen; 706aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 707aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 708ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemmingerstatic int parse_address(const char *dev, int hatype, int halen, 7097b5657545dc246ae37690d660597e8fa37040205shemminger char *lla, struct ifreq *ifr) 710aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 711aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int alen; 712aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 713aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(ifr, 0, sizeof(*ifr)); 71471058eb8ef128aa99666dc4e6664e7632e12a1b9osdl.net!shemminger strncpy(ifr->ifr_name, dev, IFNAMSIZ); 715aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ifr->ifr_hwaddr.sa_family = hatype; 716aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger alen = ll_addr_a2n(ifr->ifr_hwaddr.sa_data, 14, lla); 717aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (alen < 0) 718aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 719aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (alen != halen) { 720aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Wrong address (%s) length: expected %d bytes\n", lla, halen); 721aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 722aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 723ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 724aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 725aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 726aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int set_address(struct ifreq *ifr, int brd) 727aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 728aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int s; 729aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 730aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger s = get_ctl_fd(); 731aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (s < 0) 732aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 733aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(s, brd?SIOCSIFHWBROADCAST:SIOCSIFHWADDR, ifr) < 0) { 734aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror(brd?"SIOCSIFHWBROADCAST":"SIOCSIFHWADDR"); 735aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 736aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 737aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 738aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(s); 739ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return 0; 740aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 741aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 742aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 743aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int do_set(int argc, char **argv) 744aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 745aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *dev = NULL; 746aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 mask = 0; 747aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 flags = 0; 748aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int qlen = -1; 749aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int mtu = -1; 750aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *newaddr = NULL; 751aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *newbrd = NULL; 752aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr0, ifr1; 753aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *newname = NULL; 754aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int htype, halen; 755aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 756aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 757aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "up") == 0) { 758aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_UP; 759aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_UP; 760aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "down") == 0) { 761aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_UP; 762aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_UP; 763aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "name") == 0) { 764aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 765aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger newname = *argv; 766aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "address") == 0) { 767aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 768aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger newaddr = *argv; 769aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "broadcast") == 0 || 770aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(*argv, "brd") == 0) { 771aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 772aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger newbrd = *argv; 773aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "txqueuelen") == 0 || 774aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(*argv, "qlen") == 0 || 775aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "txqlen") == 0) { 776aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 777aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (qlen != -1) 778aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("txqueuelen", *argv); 779aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&qlen, *argv, 0)) 780aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("Invalid \"txqueuelen\" value\n", *argv); 781aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "mtu") == 0) { 782aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 783aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (mtu != -1) 784aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("mtu", *argv); 785aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&mtu, *argv, 0)) 786aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("Invalid \"mtu\" value\n", *argv); 787aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "multicast") == 0) { 788aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 789aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_MULTICAST; 790aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "on") == 0) { 791aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_MULTICAST; 792aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "off") == 0) { 793aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_MULTICAST; 794aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 795aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return on_off("multicast"); 796d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "allmulticast") == 0) { 797d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger NEXT_ARG(); 798d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger mask |= IFF_ALLMULTI; 799d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger if (strcmp(*argv, "on") == 0) { 800d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags |= IFF_ALLMULTI; 801d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "off") == 0) { 802d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags &= ~IFF_ALLMULTI; 803d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else 804d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger return on_off("allmulticast"); 805d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "promisc") == 0) { 806d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger NEXT_ARG(); 807d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger mask |= IFF_PROMISC; 808d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger if (strcmp(*argv, "on") == 0) { 809d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags |= IFF_PROMISC; 810d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "off") == 0) { 811d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags &= ~IFF_PROMISC; 812d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else 813d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger return on_off("promisc"); 814d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "trailers") == 0) { 815d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger NEXT_ARG(); 816d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger mask |= IFF_NOTRAILERS; 817d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger if (strcmp(*argv, "off") == 0) { 818d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags |= IFF_NOTRAILERS; 819d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else if (strcmp(*argv, "on") == 0) { 820d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger flags &= ~IFF_NOTRAILERS; 821d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger } else 822d27b1b5b41659d7b62f2e9f5213ffcefcad9753cnet[shemminger]!shemminger return on_off("trailers"); 823aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "arp") == 0) { 824aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 825aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_NOARP; 826aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "on") == 0) { 827aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_NOARP; 828aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "off") == 0) { 829aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_NOARP; 830aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 831aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return on_off("noarp"); 832aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "dynamic") == 0) { 833aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 834aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask |= IFF_DYNAMIC; 835aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "on") == 0) { 836aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags |= IFF_DYNAMIC; 837aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "off") == 0) { 838aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger flags &= ~IFF_DYNAMIC; 839aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 840aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return on_off("dynamic"); 841aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 842aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "dev") == 0) { 843aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 844aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 845aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 846aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 847aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (dev) 848aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg2("dev", *argv); 849aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dev = *argv; 850aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 851aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argc--; argv++; 852aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 853aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 854aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!dev) { 855aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Not enough of information: \"dev\" argument is required.\n"); 856aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 857aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 858aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 859aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr || newbrd) { 860aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger halen = get_address(dev, &htype); 861aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (halen < 0) 862aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 863aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr) { 864aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (parse_address(dev, htype, halen, newaddr, &ifr0) < 0) 865aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 866aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 867aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newbrd) { 868aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (parse_address(dev, htype, halen, newbrd, &ifr1) < 0) 869ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 870aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 871aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 872aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 873aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newname && strcmp(dev, newname)) { 874ca78b0e7d4042be7f7283d551d433b76da7f312bPatrick McHardy if (strlen(newname) == 0) 875ca78b0e7d4042be7f7283d551d433b76da7f312bPatrick McHardy invarg("\"\" is not a valid device identifier\n", "name"); 876aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (do_changename(dev, newname) < 0) 877aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 878aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dev = newname; 879aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 880ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (qlen != -1) { 881aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_qlen(dev, qlen) < 0) 882ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 883aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 884ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (mtu != -1) { 885aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_mtu(dev, mtu) < 0) 886ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 887aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 888aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr || newbrd) { 889aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newbrd) { 890aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_address(&ifr1, 1) < 0) 891ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger return -1; 892aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 893aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (newaddr) { 894aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (set_address(&ifr0, 0) < 0) 895aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 896aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 897aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 898aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (mask) 899aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return do_chflags(dev, flags, mask); 900aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 901aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 9021d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#endif /* IPLINK_IOCTL_COMPAT */ 903aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 904aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint do_iplink(int argc, char **argv) 905aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 906aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (argc > 0) { 9071d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (iplink_have_newlink()) { 9081d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (matches(*argv, "add") == 0) 9091d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return iplink_modify(RTM_NEWLINK, 9101d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NLM_F_CREATE|NLM_F_EXCL, 9111d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy argc-1, argv+1); 9121d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (matches(*argv, "set") == 0 || 9131d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy matches(*argv, "change") == 0) 9141d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return iplink_modify(RTM_NEWLINK, 0, 9151d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy argc-1, argv+1); 9161d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (matches(*argv, "replace") == 0) 9171d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return iplink_modify(RTM_NEWLINK, 9181d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy NLM_F_CREATE|NLM_F_REPLACE, 9191d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy argc-1, argv+1); 9201d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (matches(*argv, "delete") == 0) 9211d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return iplink_modify(RTM_DELLINK, 0, 9221d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy argc-1, argv+1); 9231d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } else { 9241d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#if IPLINK_IOCTL_COMPAT 9251d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy if (matches(*argv, "set") == 0) 9261d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy return do_set(argc-1, argv+1); 9271d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy#endif 9281d93483985f0aa2d2afc72dde5179ff3f79a0999Patrick McHardy } 929aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "show") == 0 || 930aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "lst") == 0 || 931aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "list") == 0) 932aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipaddr_list_link(argc-1, argv+1); 933aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 934aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 935aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 936aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipaddr_list_link(0, NULL); 937aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 938aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command \"%s\" is unknown, try \"ip link help\".\n", *argv); 939aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 940aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 941