osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1 | /* |
| 2 | * iplink.c "ip link". |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version |
| 7 | * 2 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> |
| 10 | * |
| 11 | */ |
| 12 | |
| 13 | #include <stdio.h> |
| 14 | #include <stdlib.h> |
| 15 | #include <unistd.h> |
| 16 | #include <syslog.h> |
| 17 | #include <fcntl.h> |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 18 | #include <dlfcn.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 19 | #include <errno.h> |
| 20 | #include <sys/socket.h> |
| 21 | #include <linux/if.h> |
| 22 | #include <linux/if_packet.h> |
| 23 | #include <linux/if_ether.h> |
| 24 | #include <linux/sockios.h> |
| 25 | #include <netinet/in.h> |
| 26 | #include <arpa/inet.h> |
| 27 | #include <string.h> |
| 28 | #include <sys/ioctl.h> |
| 29 | #include <linux/sockios.h> |
Jiri Pirko | fbea611 | 2014-01-23 17:52:53 +0100 | [diff] [blame] | 30 | #include <stdbool.h> |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 31 | |
| 32 | #include "rt_names.h" |
| 33 | #include "utils.h" |
| 34 | #include "ip_common.h" |
Vadim Kochan | c3087c1 | 2015-01-13 22:08:44 +0200 | [diff] [blame] | 35 | #include "namespace.h" |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 36 | |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 37 | #define IPLINK_IOCTL_COMPAT 1 |
Andreas Henriksson | 5e3bb53 | 2008-08-22 16:54:12 +0200 | [diff] [blame] | 38 | #ifndef LIBDIR |
Christoph J. Thompson | 5c434a9 | 2012-03-01 17:46:26 +0100 | [diff] [blame] | 39 | #define LIBDIR "/usr/lib" |
Rafael Almeida | b514b35 | 2008-06-01 21:33:44 -0300 | [diff] [blame] | 40 | #endif |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 41 | |
| 42 | static void usage(void) __attribute__((noreturn)); |
Stephen Hemminger | 750a405 | 2008-10-13 07:17:08 -0700 | [diff] [blame] | 43 | static int iplink_have_newlink(void); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 44 | |
| 45 | void iplink_usage(void) |
| 46 | { |
Stephen Hemminger | 750a405 | 2008-10-13 07:17:08 -0700 | [diff] [blame] | 47 | if (iplink_have_newlink()) { |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 48 | fprintf(stderr, |
| 49 | "Usage: ip link add [link DEV] [ name ] NAME\n" |
| 50 | " [ txqueuelen PACKETS ]\n" |
| 51 | " [ address LLADDR ]\n" |
| 52 | " [ broadcast LLADDR ]\n" |
| 53 | " [ mtu MTU ] [index IDX ]\n" |
| 54 | " [ numtxqueues QUEUE_COUNT ]\n" |
| 55 | " [ numrxqueues QUEUE_COUNT ]\n" |
| 56 | " type TYPE [ ARGS ]\n" |
| 57 | " ip link delete { DEVICE | dev DEVICE | group DEVGROUP } type TYPE [ ARGS ]\n" |
| 58 | "\n" |
| 59 | " ip link set { DEVICE | dev DEVICE | group DEVGROUP }\n" |
| 60 | " [ { up | down } ]\n" |
| 61 | " [ type TYPE ARGS ]\n"); |
Stephen Hemminger | 750a405 | 2008-10-13 07:17:08 -0700 | [diff] [blame] | 62 | } else |
| 63 | fprintf(stderr, "Usage: ip link set DEVICE [ { up | down } ]\n"); |
| 64 | |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 65 | fprintf(stderr, |
| 66 | " [ arp { on | off } ]\n" |
| 67 | " [ dynamic { on | off } ]\n" |
| 68 | " [ multicast { on | off } ]\n" |
| 69 | " [ allmulticast { on | off } ]\n" |
| 70 | " [ promisc { on | off } ]\n" |
| 71 | " [ trailers { on | off } ]\n" |
| 72 | " [ txqueuelen PACKETS ]\n" |
| 73 | " [ name NEWNAME ]\n" |
| 74 | " [ address LLADDR ]\n" |
| 75 | " [ broadcast LLADDR ]\n" |
| 76 | " [ mtu MTU ]\n" |
| 77 | " [ netns { PID | NAME } ]\n" |
| 78 | " [ link-netnsid ID ]\n" |
| 79 | " [ alias NAME ]\n" |
| 80 | " [ vf NUM [ mac LLADDR ]\n" |
| 81 | " [ vlan VLANID [ qos VLAN-QOS ] [ proto VLAN-PROTO ] ]\n" |
Greg Rose | 7b8179c | 2011-10-13 20:31:32 +0000 | [diff] [blame] | 82 | |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 83 | " [ rate TXRATE ]\n" |
| 84 | " [ max_tx_rate TXRATE ]\n" |
| 85 | " [ min_tx_rate TXRATE ]\n" |
Greg Rose | 7b8179c | 2011-10-13 20:31:32 +0000 | [diff] [blame] | 86 | |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 87 | " [ spoofchk { on | off} ]\n" |
| 88 | " [ query_rss { on | off} ]\n" |
| 89 | " [ state { auto | enable | disable} ] ]\n" |
| 90 | " [ trust { on | off} ] ]\n" |
| 91 | " [ master DEVICE ][ vrf NAME ]\n" |
| 92 | " [ nomaster ]\n" |
| 93 | " [ addrgenmode { eui64 | none | stable_secret | random } ]\n" |
| 94 | " [ protodown { on | off } ]\n" |
| 95 | " ip link show [ DEVICE | group GROUP ] [up] [master DEV] [vrf NAME] [type TYPE]\n"); |
Stephen Hemminger | 750a405 | 2008-10-13 07:17:08 -0700 | [diff] [blame] | 96 | |
| 97 | if (iplink_have_newlink()) { |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 98 | fprintf(stderr, |
| 99 | " ip link help [ TYPE ]\n\n" |
| 100 | "TYPE := { vlan | veth | vcan | dummy | ifb | macvlan | macvtap |\n" |
Zhang Shengju | 6bd1ea2 | 2016-11-25 22:01:29 +0800 | [diff] [blame] | 101 | " bridge | bond | team | ipoib | ip6tnl | ipip | sit | vxlan |\n" |
| 102 | " gre | gretap | ip6gre | ip6gretap | vti | nlmon | team_slave |\n" |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 103 | " bond_slave | ipvlan | geneve | bridge_slave | vrf | macsec }\n"); |
Stephen Hemminger | 750a405 | 2008-10-13 07:17:08 -0700 | [diff] [blame] | 104 | } |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 105 | exit(-1); |
| 106 | } |
| 107 | |
| 108 | static void usage(void) |
| 109 | { |
| 110 | iplink_usage(); |
| 111 | } |
| 112 | |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 113 | static int on_off(const char *msg, const char *realval) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 114 | { |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 115 | fprintf(stderr, |
| 116 | "Error: argument of \"%s\" must be \"on\" or \"off\", not \"%s\"\n", |
| 117 | msg, realval); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 118 | return -1; |
| 119 | } |
| 120 | |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 121 | static void *BODY; /* cached dlopen(NULL) handle */ |
| 122 | static struct link_util *linkutil_list; |
| 123 | |
Hangbin Liu | 22a8471 | 2016-09-20 18:02:12 +0800 | [diff] [blame] | 124 | struct link_util *get_link_kind(const char *id) |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 125 | { |
| 126 | void *dlh; |
| 127 | char buf[256]; |
| 128 | struct link_util *l; |
| 129 | |
| 130 | for (l = linkutil_list; l; l = l->next) |
Hangbin Liu | 22a8471 | 2016-09-20 18:02:12 +0800 | [diff] [blame] | 131 | if (strcmp(l->id, id) == 0) |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 132 | return l; |
| 133 | |
Andreas Henriksson | 5e3bb53 | 2008-08-22 16:54:12 +0200 | [diff] [blame] | 134 | snprintf(buf, sizeof(buf), LIBDIR "/ip/link_%s.so", id); |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 135 | dlh = dlopen(buf, RTLD_LAZY); |
| 136 | if (dlh == NULL) { |
| 137 | /* look in current binary, only open once */ |
| 138 | dlh = BODY; |
| 139 | if (dlh == NULL) { |
| 140 | dlh = BODY = dlopen(NULL, RTLD_LAZY); |
| 141 | if (dlh == NULL) |
| 142 | return NULL; |
| 143 | } |
| 144 | } |
| 145 | |
Hangbin Liu | 22a8471 | 2016-09-20 18:02:12 +0800 | [diff] [blame] | 146 | snprintf(buf, sizeof(buf), "%s_link_util", id); |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 147 | l = dlsym(dlh, buf); |
| 148 | if (l == NULL) |
| 149 | return NULL; |
| 150 | |
| 151 | l->next = linkutil_list; |
| 152 | linkutil_list = l; |
| 153 | return l; |
| 154 | } |
| 155 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 156 | static int get_link_mode(const char *mode) |
Stephen Hemminger | 8249928 | 2012-03-19 17:24:43 -0700 | [diff] [blame] | 157 | { |
Stephen Hemminger | 4ccfb44 | 2012-04-05 15:10:19 -0700 | [diff] [blame] | 158 | if (strcasecmp(mode, "default") == 0) |
Stephen Hemminger | 8249928 | 2012-03-19 17:24:43 -0700 | [diff] [blame] | 159 | return IF_LINK_MODE_DEFAULT; |
Stephen Hemminger | 4ccfb44 | 2012-04-05 15:10:19 -0700 | [diff] [blame] | 160 | if (strcasecmp(mode, "dormant") == 0) |
Stephen Hemminger | 8249928 | 2012-03-19 17:24:43 -0700 | [diff] [blame] | 161 | return IF_LINK_MODE_DORMANT; |
| 162 | return -1; |
| 163 | } |
| 164 | |
Jiri Pirko | ff7c208 | 2014-07-11 21:11:46 +0200 | [diff] [blame] | 165 | static int get_addr_gen_mode(const char *mode) |
| 166 | { |
| 167 | if (strcasecmp(mode, "eui64") == 0) |
| 168 | return IN6_ADDR_GEN_MODE_EUI64; |
| 169 | if (strcasecmp(mode, "none") == 0) |
| 170 | return IN6_ADDR_GEN_MODE_NONE; |
Bjørn Mork | 8e098dd | 2016-01-04 10:58:04 +0100 | [diff] [blame] | 171 | if (strcasecmp(mode, "stable_secret") == 0) |
| 172 | return IN6_ADDR_GEN_MODE_STABLE_PRIVACY; |
Bjørn Mork | 8e12bc0 | 2016-01-04 10:58:05 +0100 | [diff] [blame] | 173 | if (strcasecmp(mode, "random") == 0) |
| 174 | return IN6_ADDR_GEN_MODE_RANDOM; |
Jiri Pirko | ff7c208 | 2014-07-11 21:11:46 +0200 | [diff] [blame] | 175 | return -1; |
| 176 | } |
| 177 | |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 178 | #if IPLINK_IOCTL_COMPAT |
| 179 | static int have_rtnl_newlink = -1; |
| 180 | |
| 181 | static int accept_msg(const struct sockaddr_nl *who, |
Nicolas Dichtel | 0628cdd | 2015-05-20 16:19:58 +0200 | [diff] [blame] | 182 | struct rtnl_ctrl_data *ctrl, |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 183 | struct nlmsghdr *n, void *arg) |
| 184 | { |
| 185 | struct nlmsgerr *err = (struct nlmsgerr *)NLMSG_DATA(n); |
| 186 | |
Patrick McHardy | 66e529f | 2007-10-25 19:46:29 +0200 | [diff] [blame] | 187 | if (n->nlmsg_type == NLMSG_ERROR && |
| 188 | (err->error == -EOPNOTSUPP || err->error == -EINVAL)) |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 189 | have_rtnl_newlink = 0; |
| 190 | else |
| 191 | have_rtnl_newlink = 1; |
| 192 | return -1; |
| 193 | } |
| 194 | |
| 195 | static int iplink_have_newlink(void) |
| 196 | { |
| 197 | struct { |
| 198 | struct nlmsghdr n; |
| 199 | struct ifinfomsg i; |
| 200 | char buf[1024]; |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 201 | } req = { |
| 202 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), |
| 203 | .n.nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK, |
| 204 | .n.nlmsg_type = RTM_NEWLINK, |
| 205 | .i.ifi_family = AF_UNSPEC, |
| 206 | }; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 207 | |
| 208 | if (have_rtnl_newlink < 0) { |
Stephen Hemminger | d2468da | 2013-12-20 08:15:02 -0800 | [diff] [blame] | 209 | if (rtnl_send(&rth, &req.n, req.n.nlmsg_len) < 0) { |
| 210 | perror("request send failed"); |
| 211 | exit(1); |
| 212 | } |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 213 | rtnl_listen(&rth, accept_msg, NULL); |
| 214 | } |
| 215 | return have_rtnl_newlink; |
| 216 | } |
| 217 | #else /* IPLINK_IOCTL_COMPAT */ |
| 218 | static int iplink_have_newlink(void) |
| 219 | { |
| 220 | return 1; |
| 221 | } |
| 222 | #endif /* ! IPLINK_IOCTL_COMPAT */ |
| 223 | |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 224 | struct iplink_req { |
| 225 | struct nlmsghdr n; |
| 226 | struct ifinfomsg i; |
| 227 | char buf[1024]; |
| 228 | }; |
| 229 | |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 230 | static int nl_get_ll_addr_len(unsigned int dev_index) |
| 231 | { |
| 232 | int len; |
| 233 | struct iplink_req req = { |
| 234 | .n = { |
| 235 | .nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), |
| 236 | .nlmsg_type = RTM_GETLINK, |
| 237 | .nlmsg_flags = NLM_F_REQUEST |
| 238 | }, |
| 239 | .i = { |
| 240 | .ifi_family = preferred_family, |
| 241 | .ifi_index = dev_index, |
| 242 | } |
| 243 | }; |
| 244 | struct rtattr *tb[IFLA_MAX+1]; |
| 245 | |
| 246 | if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) |
| 247 | return -1; |
| 248 | |
| 249 | len = req.n.nlmsg_len - NLMSG_LENGTH(sizeof(req.i)); |
| 250 | if (len < 0) |
| 251 | return -1; |
| 252 | |
| 253 | parse_rtattr_flags(tb, IFLA_MAX, IFLA_RTA(&req.i), len, NLA_F_NESTED); |
| 254 | if (!tb[IFLA_ADDRESS]) |
| 255 | return -1; |
| 256 | |
| 257 | return RTA_PAYLOAD(tb[IFLA_ADDRESS]); |
| 258 | } |
| 259 | |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 260 | static void iplink_parse_vf_vlan_info(int vf, int *argcp, char ***argvp, |
| 261 | struct ifla_vf_vlan_info *ivvip) |
| 262 | { |
| 263 | int argc = *argcp; |
| 264 | char **argv = *argvp; |
| 265 | |
| 266 | NEXT_ARG(); |
| 267 | if (get_unsigned(&ivvip->vlan, *argv, 0)) |
| 268 | invarg("Invalid \"vlan\" value\n", *argv); |
| 269 | |
| 270 | ivvip->vf = vf; |
| 271 | ivvip->qos = 0; |
| 272 | ivvip->vlan_proto = htons(ETH_P_8021Q); |
| 273 | if (NEXT_ARG_OK()) { |
| 274 | NEXT_ARG(); |
| 275 | if (matches(*argv, "qos") == 0) { |
| 276 | NEXT_ARG(); |
| 277 | if (get_unsigned(&ivvip->qos, *argv, 0)) |
| 278 | invarg("Invalid \"qos\" value\n", *argv); |
| 279 | } else { |
| 280 | /* rewind arg */ |
| 281 | PREV_ARG(); |
| 282 | } |
| 283 | } |
| 284 | if (NEXT_ARG_OK()) { |
| 285 | NEXT_ARG(); |
| 286 | if (matches(*argv, "proto") == 0) { |
| 287 | NEXT_ARG(); |
| 288 | if (ll_proto_a2n(&ivvip->vlan_proto, *argv)) |
| 289 | invarg("protocol is invalid\n", *argv); |
| 290 | if (ivvip->vlan_proto != htons(ETH_P_8021AD) && |
| 291 | ivvip->vlan_proto != htons(ETH_P_8021Q)) { |
| 292 | SPRINT_BUF(b1); |
| 293 | SPRINT_BUF(b2); |
| 294 | char msg[64 + sizeof(b1) + sizeof(b2)]; |
| 295 | |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 296 | sprintf(msg, "Invalid \"vlan protocol\" value - supported %s, %s\n", |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 297 | ll_proto_n2a(htons(ETH_P_8021Q), |
| 298 | b1, sizeof(b1)), |
| 299 | ll_proto_n2a(htons(ETH_P_8021AD), |
| 300 | b2, sizeof(b2))); |
| 301 | invarg(msg, *argv); |
| 302 | } |
| 303 | } else { |
| 304 | /* rewind arg */ |
| 305 | PREV_ARG(); |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | *argcp = argc; |
| 310 | *argvp = argv; |
| 311 | } |
| 312 | |
Stephen Hemminger | d1f28cf | 2013-02-12 11:09:03 -0800 | [diff] [blame] | 313 | static int iplink_parse_vf(int vf, int *argcp, char ***argvp, |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 314 | struct iplink_req *req, int dev_index) |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 315 | { |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 316 | char new_rate_api = 0, count = 0, override_legacy_rate = 0; |
| 317 | struct ifla_vf_rate tivt; |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 318 | int len, argc = *argcp; |
| 319 | char **argv = *argvp; |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 320 | struct rtattr *vfinfo; |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 321 | |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 322 | tivt.min_tx_rate = -1; |
| 323 | tivt.max_tx_rate = -1; |
| 324 | |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 325 | vfinfo = addattr_nest(&req->n, sizeof(*req), IFLA_VF_INFO); |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 326 | |
| 327 | while (NEXT_ARG_OK()) { |
| 328 | NEXT_ARG(); |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 329 | count++; |
| 330 | if (!matches(*argv, "max_tx_rate")) { |
| 331 | /* new API in use */ |
| 332 | new_rate_api = 1; |
| 333 | /* override legacy rate */ |
| 334 | override_legacy_rate = 1; |
| 335 | } else if (!matches(*argv, "min_tx_rate")) { |
| 336 | /* new API in use */ |
| 337 | new_rate_api = 1; |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | while (count--) { |
| 342 | /* rewind arg */ |
| 343 | PREV_ARG(); |
| 344 | } |
| 345 | |
| 346 | while (NEXT_ARG_OK()) { |
| 347 | NEXT_ARG(); |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 348 | if (matches(*argv, "mac") == 0) { |
Phil Sutter | a89193a | 2016-06-16 16:19:39 +0200 | [diff] [blame] | 349 | struct ifla_vf_mac ivm = { 0 }; |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 350 | int halen = nl_get_ll_addr_len(dev_index); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 351 | |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 352 | NEXT_ARG(); |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 353 | ivm.vf = vf; |
| 354 | len = ll_addr_a2n((char *)ivm.mac, 32, *argv); |
| 355 | if (len < 0) |
| 356 | return -1; |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 357 | if (halen > 0 && len != halen) { |
| 358 | fprintf(stderr, |
| 359 | "Invalid address length %d - must be %d bytes\n", |
| 360 | len, halen); |
| 361 | return -1; |
| 362 | } |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 363 | addattr_l(&req->n, sizeof(*req), IFLA_VF_MAC, |
| 364 | &ivm, sizeof(ivm)); |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 365 | } else if (matches(*argv, "vlan") == 0) { |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 366 | struct ifla_vf_vlan_info ivvi; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 367 | |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 368 | iplink_parse_vf_vlan_info(vf, &argc, &argv, &ivvi); |
| 369 | /* support the old interface in case of older kernel*/ |
| 370 | if (ivvi.vlan_proto == htons(ETH_P_8021Q)) { |
| 371 | struct ifla_vf_vlan ivv; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 372 | |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 373 | ivv.vf = ivvi.vf; |
| 374 | ivv.vlan = ivvi.vlan; |
| 375 | ivv.qos = ivvi.qos; |
| 376 | addattr_l(&req->n, sizeof(*req), |
| 377 | IFLA_VF_VLAN, &ivv, sizeof(ivv)); |
| 378 | } else { |
| 379 | struct rtattr *vfvlanlist; |
| 380 | |
| 381 | vfvlanlist = addattr_nest(&req->n, sizeof(*req), |
| 382 | IFLA_VF_VLAN_LIST); |
| 383 | addattr_l(&req->n, sizeof(*req), |
| 384 | IFLA_VF_VLAN_INFO, &ivvi, |
| 385 | sizeof(ivvi)); |
| 386 | |
| 387 | while (NEXT_ARG_OK()) { |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 388 | NEXT_ARG(); |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 389 | if (matches(*argv, "vlan") != 0) { |
| 390 | PREV_ARG(); |
| 391 | break; |
| 392 | } |
| 393 | iplink_parse_vf_vlan_info(vf, &argc, |
| 394 | &argv, &ivvi); |
| 395 | addattr_l(&req->n, sizeof(*req), |
| 396 | IFLA_VF_VLAN_INFO, &ivvi, |
| 397 | sizeof(ivvi)); |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 398 | } |
Moshe Shemesh | 56e9f0a | 2016-09-28 10:58:59 +0300 | [diff] [blame] | 399 | addattr_nest_end(&req->n, vfvlanlist); |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 400 | } |
| 401 | } else if (matches(*argv, "rate") == 0) { |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 402 | struct ifla_vf_tx_rate ivt; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 403 | |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 404 | NEXT_ARG(); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 405 | if (get_unsigned(&ivt.rate, *argv, 0)) |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 406 | invarg("Invalid \"rate\" value\n", *argv); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 407 | |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 408 | ivt.vf = vf; |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 409 | if (!new_rate_api) |
| 410 | addattr_l(&req->n, sizeof(*req), |
| 411 | IFLA_VF_TX_RATE, &ivt, sizeof(ivt)); |
| 412 | else if (!override_legacy_rate) |
| 413 | tivt.max_tx_rate = ivt.rate; |
| 414 | |
| 415 | } else if (matches(*argv, "max_tx_rate") == 0) { |
| 416 | NEXT_ARG(); |
| 417 | if (get_unsigned(&tivt.max_tx_rate, *argv, 0)) |
| 418 | invarg("Invalid \"max tx rate\" value\n", |
| 419 | *argv); |
| 420 | tivt.vf = vf; |
| 421 | |
| 422 | } else if (matches(*argv, "min_tx_rate") == 0) { |
| 423 | NEXT_ARG(); |
| 424 | if (get_unsigned(&tivt.min_tx_rate, *argv, 0)) |
| 425 | invarg("Invalid \"min tx rate\" value\n", |
| 426 | *argv); |
| 427 | tivt.vf = vf; |
xeb@mail.ru | af89576 | 2013-09-28 11:32:51 +0400 | [diff] [blame] | 428 | |
Greg Rose | 7b8179c | 2011-10-13 20:31:32 +0000 | [diff] [blame] | 429 | } else if (matches(*argv, "spoofchk") == 0) { |
| 430 | struct ifla_vf_spoofchk ivs; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 431 | |
Greg Rose | 7b8179c | 2011-10-13 20:31:32 +0000 | [diff] [blame] | 432 | NEXT_ARG(); |
| 433 | if (matches(*argv, "on") == 0) |
| 434 | ivs.setting = 1; |
| 435 | else if (matches(*argv, "off") == 0) |
| 436 | ivs.setting = 0; |
| 437 | else |
Zhang Shengju | ff1e35e | 2015-08-13 06:41:50 +0000 | [diff] [blame] | 438 | return on_off("spoofchk", *argv); |
Greg Rose | 7b8179c | 2011-10-13 20:31:32 +0000 | [diff] [blame] | 439 | ivs.vf = vf; |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 440 | addattr_l(&req->n, sizeof(*req), IFLA_VF_SPOOFCHK, |
| 441 | &ivs, sizeof(ivs)); |
Greg Rose | 7b8179c | 2011-10-13 20:31:32 +0000 | [diff] [blame] | 442 | |
Vlad Zolotarov | 6c55c8c | 2015-04-30 13:46:43 +0300 | [diff] [blame] | 443 | } else if (matches(*argv, "query_rss") == 0) { |
| 444 | struct ifla_vf_rss_query_en ivs; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 445 | |
Vlad Zolotarov | 6c55c8c | 2015-04-30 13:46:43 +0300 | [diff] [blame] | 446 | NEXT_ARG(); |
| 447 | if (matches(*argv, "on") == 0) |
| 448 | ivs.setting = 1; |
| 449 | else if (matches(*argv, "off") == 0) |
| 450 | ivs.setting = 0; |
| 451 | else |
Zhang Shengju | ff1e35e | 2015-08-13 06:41:50 +0000 | [diff] [blame] | 452 | return on_off("query_rss", *argv); |
Vlad Zolotarov | 6c55c8c | 2015-04-30 13:46:43 +0300 | [diff] [blame] | 453 | ivs.vf = vf; |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 454 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RSS_QUERY_EN, |
| 455 | &ivs, sizeof(ivs)); |
Vlad Zolotarov | 6c55c8c | 2015-04-30 13:46:43 +0300 | [diff] [blame] | 456 | |
Hiroshi Shimamoto | b6d77d9 | 2016-02-26 02:40:18 +0000 | [diff] [blame] | 457 | } else if (matches(*argv, "trust") == 0) { |
| 458 | struct ifla_vf_trust ivt; |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 459 | |
Hiroshi Shimamoto | b6d77d9 | 2016-02-26 02:40:18 +0000 | [diff] [blame] | 460 | NEXT_ARG(); |
| 461 | if (matches(*argv, "on") == 0) |
| 462 | ivt.setting = 1; |
| 463 | else if (matches(*argv, "off") == 0) |
| 464 | ivt.setting = 0; |
| 465 | else |
| 466 | invarg("Invalid \"trust\" value\n", *argv); |
| 467 | ivt.vf = vf; |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 468 | addattr_l(&req->n, sizeof(*req), IFLA_VF_TRUST, |
| 469 | &ivt, sizeof(ivt)); |
Hiroshi Shimamoto | b6d77d9 | 2016-02-26 02:40:18 +0000 | [diff] [blame] | 470 | |
Rony Efraim | 07fa9c1 | 2013-06-13 13:19:12 +0300 | [diff] [blame] | 471 | } else if (matches(*argv, "state") == 0) { |
| 472 | struct ifla_vf_link_state ivl; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 473 | |
Rony Efraim | 07fa9c1 | 2013-06-13 13:19:12 +0300 | [diff] [blame] | 474 | NEXT_ARG(); |
| 475 | if (matches(*argv, "auto") == 0) |
| 476 | ivl.link_state = IFLA_VF_LINK_STATE_AUTO; |
| 477 | else if (matches(*argv, "enable") == 0) |
| 478 | ivl.link_state = IFLA_VF_LINK_STATE_ENABLE; |
| 479 | else if (matches(*argv, "disable") == 0) |
| 480 | ivl.link_state = IFLA_VF_LINK_STATE_DISABLE; |
| 481 | else |
| 482 | invarg("Invalid \"state\" value\n", *argv); |
| 483 | ivl.vf = vf; |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 484 | addattr_l(&req->n, sizeof(*req), IFLA_VF_LINK_STATE, |
| 485 | &ivl, sizeof(ivl)); |
Eli Cohen | d91fb3f | 2016-07-07 16:09:03 -0500 | [diff] [blame] | 486 | } else if (matches(*argv, "node_guid") == 0) { |
| 487 | struct ifla_vf_guid ivg; |
| 488 | |
| 489 | NEXT_ARG(); |
| 490 | ivg.vf = vf; |
| 491 | if (get_guid(&ivg.guid, *argv)) { |
| 492 | invarg("Invalid GUID format\n", *argv); |
| 493 | return -1; |
| 494 | } |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 495 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_NODE_GUID, |
| 496 | &ivg, sizeof(ivg)); |
Eli Cohen | d91fb3f | 2016-07-07 16:09:03 -0500 | [diff] [blame] | 497 | } else if (matches(*argv, "port_guid") == 0) { |
| 498 | struct ifla_vf_guid ivg; |
| 499 | |
| 500 | NEXT_ARG(); |
| 501 | ivg.vf = vf; |
| 502 | if (get_guid(&ivg.guid, *argv)) { |
| 503 | invarg("Invalid GUID format\n", *argv); |
| 504 | return -1; |
| 505 | } |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 506 | addattr_l(&req->n, sizeof(*req), IFLA_VF_IB_PORT_GUID, |
| 507 | &ivg, sizeof(ivg)); |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 508 | } else { |
| 509 | /* rewind arg */ |
| 510 | PREV_ARG(); |
| 511 | break; |
| 512 | } |
| 513 | } |
| 514 | |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 515 | if (new_rate_api) { |
| 516 | int tmin, tmax; |
Stephen Hemminger | 9a02651 | 2014-07-14 12:08:05 -0700 | [diff] [blame] | 517 | |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 518 | if (tivt.min_tx_rate == -1 || tivt.max_tx_rate == -1) { |
| 519 | ipaddr_get_vf_rate(tivt.vf, &tmin, &tmax, dev_index); |
| 520 | if (tivt.min_tx_rate == -1) |
| 521 | tivt.min_tx_rate = tmin; |
| 522 | if (tivt.max_tx_rate == -1) |
| 523 | tivt.max_tx_rate = tmax; |
| 524 | } |
| 525 | addattr_l(&req->n, sizeof(*req), IFLA_VF_RATE, &tivt, |
| 526 | sizeof(tivt)); |
| 527 | } |
| 528 | |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 529 | if (argc == *argcp) |
| 530 | incomplete_command(); |
| 531 | |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 532 | addattr_nest_end(&req->n, vfinfo); |
Roopa Prabhu | 632110a | 2010-11-09 14:47:52 +0000 | [diff] [blame] | 533 | |
| 534 | *argcp = argc; |
| 535 | *argvp = argv; |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 536 | return 0; |
Chris Wright | 3fd8663 | 2010-05-18 00:57:00 -0700 | [diff] [blame] | 537 | } |
| 538 | |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 539 | int iplink_parse(int argc, char **argv, struct iplink_req *req, |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 540 | char **name, char **type, char **link, char **dev, |
| 541 | int *group, int *index) |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 542 | { |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 543 | int ret, len; |
| 544 | char abuf[32]; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 545 | int qlen = -1; |
| 546 | int mtu = -1; |
Benjamin Thery | e2613dc | 2008-06-20 11:07:35 +0200 | [diff] [blame] | 547 | int netns = -1; |
Williams, Mitch A | ae7229d | 2010-02-10 01:47:08 +0000 | [diff] [blame] | 548 | int vf = -1; |
Jiri Pirko | d992f3e | 2012-08-01 16:19:55 -0700 | [diff] [blame] | 549 | int numtxqueues = -1; |
| 550 | int numrxqueues = -1; |
Stephen Hemminger | 9a02651 | 2014-07-14 12:08:05 -0700 | [diff] [blame] | 551 | int dev_index = 0; |
Nicolas Dichtel | ccdcbf3 | 2015-02-17 17:30:38 +0100 | [diff] [blame] | 552 | int link_netnsid = -1; |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 553 | int addr_len = 0; |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 554 | |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 555 | *group = -1; |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 556 | ret = argc; |
| 557 | |
| 558 | while (argc > 0) { |
| 559 | if (strcmp(*argv, "up") == 0) { |
| 560 | req->i.ifi_change |= IFF_UP; |
| 561 | req->i.ifi_flags |= IFF_UP; |
| 562 | } else if (strcmp(*argv, "down") == 0) { |
| 563 | req->i.ifi_change |= IFF_UP; |
| 564 | req->i.ifi_flags &= ~IFF_UP; |
| 565 | } else if (strcmp(*argv, "name") == 0) { |
| 566 | NEXT_ARG(); |
| 567 | *name = *argv; |
Pavel Emelyanov | 5e25cf7 | 2013-12-26 23:15:20 +0400 | [diff] [blame] | 568 | } else if (strcmp(*argv, "index") == 0) { |
| 569 | NEXT_ARG(); |
| 570 | *index = atoi(*argv); |
WANG Cong | 3c68214 | 2014-09-05 16:36:14 -0700 | [diff] [blame] | 571 | if (*index < 0) |
| 572 | invarg("Invalid \"index\" value", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 573 | } else if (matches(*argv, "link") == 0) { |
| 574 | NEXT_ARG(); |
| 575 | *link = *argv; |
| 576 | } else if (matches(*argv, "address") == 0) { |
| 577 | NEXT_ARG(); |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 578 | addr_len = ll_addr_a2n(abuf, sizeof(abuf), *argv); |
Phil Sutter | 0aae234 | 2016-06-22 12:05:38 +0200 | [diff] [blame] | 579 | if (addr_len < 0) |
Andreas Henriksson | cb2eb99 | 2009-04-30 16:50:50 +0200 | [diff] [blame] | 580 | return -1; |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 581 | addattr_l(&req->n, sizeof(*req), IFLA_ADDRESS, abuf, addr_len); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 582 | } else if (matches(*argv, "broadcast") == 0 || |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 583 | strcmp(*argv, "brd") == 0) { |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 584 | NEXT_ARG(); |
| 585 | len = ll_addr_a2n(abuf, sizeof(abuf), *argv); |
Andreas Henriksson | cb2eb99 | 2009-04-30 16:50:50 +0200 | [diff] [blame] | 586 | if (len < 0) |
| 587 | return -1; |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 588 | addattr_l(&req->n, sizeof(*req), IFLA_BROADCAST, abuf, len); |
| 589 | } else if (matches(*argv, "txqueuelen") == 0 || |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 590 | strcmp(*argv, "qlen") == 0 || |
| 591 | matches(*argv, "txqlen") == 0) { |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 592 | NEXT_ARG(); |
| 593 | if (qlen != -1) |
| 594 | duparg("txqueuelen", *argv); |
| 595 | if (get_integer(&qlen, *argv, 0)) |
| 596 | invarg("Invalid \"txqueuelen\" value\n", *argv); |
| 597 | addattr_l(&req->n, sizeof(*req), IFLA_TXQLEN, &qlen, 4); |
| 598 | } else if (strcmp(*argv, "mtu") == 0) { |
| 599 | NEXT_ARG(); |
| 600 | if (mtu != -1) |
| 601 | duparg("mtu", *argv); |
| 602 | if (get_integer(&mtu, *argv, 0)) |
| 603 | invarg("Invalid \"mtu\" value\n", *argv); |
| 604 | addattr_l(&req->n, sizeof(*req), IFLA_MTU, &mtu, 4); |
Stephen Hemminger | 4b726cb | 2014-05-09 12:36:46 -0700 | [diff] [blame] | 605 | } else if (strcmp(*argv, "netns") == 0) { |
| 606 | NEXT_ARG(); |
| 607 | if (netns != -1) |
| 608 | duparg("netns", *argv); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 609 | netns = netns_get_fd(*argv); |
| 610 | if (netns >= 0) |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 611 | addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_FD, |
| 612 | &netns, 4); |
Eric W. Biederman | 0dc34c7 | 2011-07-13 09:48:26 -0700 | [diff] [blame] | 613 | else if (get_integer(&netns, *argv, 0) == 0) |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 614 | addattr_l(&req->n, sizeof(*req), IFLA_NET_NS_PID, |
| 615 | &netns, 4); |
Eric W. Biederman | 0dc34c7 | 2011-07-13 09:48:26 -0700 | [diff] [blame] | 616 | else |
Stephen Hemminger | 4b726cb | 2014-05-09 12:36:46 -0700 | [diff] [blame] | 617 | invarg("Invalid \"netns\" value\n", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 618 | } else if (strcmp(*argv, "multicast") == 0) { |
| 619 | NEXT_ARG(); |
| 620 | req->i.ifi_change |= IFF_MULTICAST; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 621 | |
| 622 | if (strcmp(*argv, "on") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 623 | req->i.ifi_flags |= IFF_MULTICAST; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 624 | else if (strcmp(*argv, "off") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 625 | req->i.ifi_flags &= ~IFF_MULTICAST; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 626 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 627 | return on_off("multicast", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 628 | } else if (strcmp(*argv, "allmulticast") == 0) { |
| 629 | NEXT_ARG(); |
| 630 | req->i.ifi_change |= IFF_ALLMULTI; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 631 | |
| 632 | if (strcmp(*argv, "on") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 633 | req->i.ifi_flags |= IFF_ALLMULTI; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 634 | else if (strcmp(*argv, "off") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 635 | req->i.ifi_flags &= ~IFF_ALLMULTI; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 636 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 637 | return on_off("allmulticast", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 638 | } else if (strcmp(*argv, "promisc") == 0) { |
| 639 | NEXT_ARG(); |
| 640 | req->i.ifi_change |= IFF_PROMISC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 641 | |
| 642 | if (strcmp(*argv, "on") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 643 | req->i.ifi_flags |= IFF_PROMISC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 644 | else if (strcmp(*argv, "off") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 645 | req->i.ifi_flags &= ~IFF_PROMISC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 646 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 647 | return on_off("promisc", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 648 | } else if (strcmp(*argv, "trailers") == 0) { |
| 649 | NEXT_ARG(); |
| 650 | req->i.ifi_change |= IFF_NOTRAILERS; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 651 | |
| 652 | if (strcmp(*argv, "off") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 653 | req->i.ifi_flags |= IFF_NOTRAILERS; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 654 | else if (strcmp(*argv, "on") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 655 | req->i.ifi_flags &= ~IFF_NOTRAILERS; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 656 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 657 | return on_off("trailers", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 658 | } else if (strcmp(*argv, "arp") == 0) { |
| 659 | NEXT_ARG(); |
| 660 | req->i.ifi_change |= IFF_NOARP; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 661 | |
| 662 | if (strcmp(*argv, "on") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 663 | req->i.ifi_flags &= ~IFF_NOARP; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 664 | else if (strcmp(*argv, "off") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 665 | req->i.ifi_flags |= IFF_NOARP; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 666 | else |
Zhang Shengju | e543a6a | 2015-08-12 06:29:59 +0000 | [diff] [blame] | 667 | return on_off("arp", *argv); |
Williams, Mitch A | ae7229d | 2010-02-10 01:47:08 +0000 | [diff] [blame] | 668 | } else if (strcmp(*argv, "vf") == 0) { |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 669 | struct rtattr *vflist; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 670 | |
Williams, Mitch A | ae7229d | 2010-02-10 01:47:08 +0000 | [diff] [blame] | 671 | NEXT_ARG(); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 672 | if (get_integer(&vf, *argv, 0)) |
Williams, Mitch A | ae7229d | 2010-02-10 01:47:08 +0000 | [diff] [blame] | 673 | invarg("Invalid \"vf\" value\n", *argv); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 674 | |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 675 | vflist = addattr_nest(&req->n, sizeof(*req), |
| 676 | IFLA_VFINFO_LIST); |
Stephen Hemminger | 9a02651 | 2014-07-14 12:08:05 -0700 | [diff] [blame] | 677 | if (dev_index == 0) |
| 678 | missarg("dev"); |
| 679 | |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 680 | len = iplink_parse_vf(vf, &argc, &argv, req, dev_index); |
Stephen Hemminger | 1598b9e | 2011-01-13 14:53:02 -0800 | [diff] [blame] | 681 | if (len < 0) |
| 682 | return -1; |
| 683 | addattr_nest_end(&req->n, vflist); |
Jiri Pirko | a1e191b | 2011-02-25 19:55:19 -0800 | [diff] [blame] | 684 | } else if (matches(*argv, "master") == 0) { |
| 685 | int ifindex; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 686 | |
Jiri Pirko | a1e191b | 2011-02-25 19:55:19 -0800 | [diff] [blame] | 687 | NEXT_ARG(); |
| 688 | ifindex = ll_name_to_index(*argv); |
| 689 | if (!ifindex) |
| 690 | invarg("Device does not exist\n", *argv); |
| 691 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, |
| 692 | &ifindex, 4); |
David Ahern | 104444c | 2016-06-29 11:26:58 -0700 | [diff] [blame] | 693 | } else if (strcmp(*argv, "vrf") == 0) { |
| 694 | int ifindex; |
| 695 | |
| 696 | NEXT_ARG(); |
| 697 | ifindex = ll_name_to_index(*argv); |
| 698 | if (!ifindex) |
| 699 | invarg("Not a valid VRF name\n", *argv); |
| 700 | if (!name_is_vrf(*argv)) |
| 701 | invarg("Not a valid VRF name\n", *argv); |
| 702 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, |
| 703 | &ifindex, sizeof(ifindex)); |
Jiri Pirko | a1e191b | 2011-02-25 19:55:19 -0800 | [diff] [blame] | 704 | } else if (matches(*argv, "nomaster") == 0) { |
| 705 | int ifindex = 0; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 706 | |
Jiri Pirko | a1e191b | 2011-02-25 19:55:19 -0800 | [diff] [blame] | 707 | addattr_l(&req->n, sizeof(*req), IFLA_MASTER, |
| 708 | &ifindex, 4); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 709 | } else if (matches(*argv, "dynamic") == 0) { |
| 710 | NEXT_ARG(); |
| 711 | req->i.ifi_change |= IFF_DYNAMIC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 712 | |
| 713 | if (strcmp(*argv, "on") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 714 | req->i.ifi_flags |= IFF_DYNAMIC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 715 | else if (strcmp(*argv, "off") == 0) |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 716 | req->i.ifi_flags &= ~IFF_DYNAMIC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 717 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 718 | return on_off("dynamic", *argv); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 719 | } else if (matches(*argv, "type") == 0) { |
| 720 | NEXT_ARG(); |
| 721 | *type = *argv; |
| 722 | argc--; argv++; |
| 723 | break; |
Stephen Hemminger | ace9c96 | 2009-03-23 10:46:47 -0700 | [diff] [blame] | 724 | } else if (matches(*argv, "alias") == 0) { |
| 725 | NEXT_ARG(); |
| 726 | addattr_l(&req->n, sizeof(*req), IFLA_IFALIAS, |
| 727 | *argv, strlen(*argv)); |
| 728 | argc--; argv++; |
| 729 | break; |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 730 | } else if (strcmp(*argv, "group") == 0) { |
| 731 | NEXT_ARG(); |
| 732 | if (*group != -1) |
| 733 | duparg("group", *argv); |
| 734 | if (rtnl_group_a2n(group, *argv)) |
| 735 | invarg("Invalid \"group\" value\n", *argv); |
Stephen Hemminger | 8249928 | 2012-03-19 17:24:43 -0700 | [diff] [blame] | 736 | } else if (strcmp(*argv, "mode") == 0) { |
| 737 | int mode; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 738 | |
Stephen Hemminger | 8249928 | 2012-03-19 17:24:43 -0700 | [diff] [blame] | 739 | NEXT_ARG(); |
Stephen Hemminger | 4ccfb44 | 2012-04-05 15:10:19 -0700 | [diff] [blame] | 740 | mode = get_link_mode(*argv); |
Stephen Hemminger | 8249928 | 2012-03-19 17:24:43 -0700 | [diff] [blame] | 741 | if (mode < 0) |
| 742 | invarg("Invalid link mode\n", *argv); |
| 743 | addattr8(&req->n, sizeof(*req), IFLA_LINKMODE, mode); |
Stephen Hemminger | 4f2fdd4 | 2012-04-05 15:08:57 -0700 | [diff] [blame] | 744 | } else if (strcmp(*argv, "state") == 0) { |
| 745 | int state; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 746 | |
Stephen Hemminger | 4f2fdd4 | 2012-04-05 15:08:57 -0700 | [diff] [blame] | 747 | NEXT_ARG(); |
| 748 | state = get_operstate(*argv); |
| 749 | if (state < 0) |
| 750 | invarg("Invalid operstate\n", *argv); |
| 751 | |
| 752 | addattr8(&req->n, sizeof(*req), IFLA_OPERSTATE, state); |
Jiri Pirko | d992f3e | 2012-08-01 16:19:55 -0700 | [diff] [blame] | 753 | } else if (matches(*argv, "numtxqueues") == 0) { |
| 754 | NEXT_ARG(); |
| 755 | if (numtxqueues != -1) |
| 756 | duparg("numtxqueues", *argv); |
| 757 | if (get_integer(&numtxqueues, *argv, 0)) |
| 758 | invarg("Invalid \"numtxqueues\" value\n", *argv); |
| 759 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_TX_QUEUES, |
| 760 | &numtxqueues, 4); |
| 761 | } else if (matches(*argv, "numrxqueues") == 0) { |
| 762 | NEXT_ARG(); |
| 763 | if (numrxqueues != -1) |
| 764 | duparg("numrxqueues", *argv); |
| 765 | if (get_integer(&numrxqueues, *argv, 0)) |
| 766 | invarg("Invalid \"numrxqueues\" value\n", *argv); |
| 767 | addattr_l(&req->n, sizeof(*req), IFLA_NUM_RX_QUEUES, |
| 768 | &numrxqueues, 4); |
Jiri Pirko | ff7c208 | 2014-07-11 21:11:46 +0200 | [diff] [blame] | 769 | } else if (matches(*argv, "addrgenmode") == 0) { |
| 770 | struct rtattr *afs, *afs6; |
| 771 | int mode; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 772 | |
Jiri Pirko | ff7c208 | 2014-07-11 21:11:46 +0200 | [diff] [blame] | 773 | NEXT_ARG(); |
| 774 | mode = get_addr_gen_mode(*argv); |
| 775 | if (mode < 0) |
| 776 | invarg("Invalid address generation mode\n", *argv); |
| 777 | afs = addattr_nest(&req->n, sizeof(*req), IFLA_AF_SPEC); |
| 778 | afs6 = addattr_nest(&req->n, sizeof(*req), AF_INET6); |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 779 | addattr8(&req->n, sizeof(*req), |
| 780 | IFLA_INET6_ADDR_GEN_MODE, mode); |
Jiri Pirko | ff7c208 | 2014-07-11 21:11:46 +0200 | [diff] [blame] | 781 | addattr_nest_end(&req->n, afs6); |
| 782 | addattr_nest_end(&req->n, afs); |
Nicolas Dichtel | ccdcbf3 | 2015-02-17 17:30:38 +0100 | [diff] [blame] | 783 | } else if (matches(*argv, "link-netnsid") == 0) { |
| 784 | NEXT_ARG(); |
| 785 | if (link_netnsid != -1) |
| 786 | duparg("link-netnsid", *argv); |
| 787 | if (get_integer(&link_netnsid, *argv, 0)) |
| 788 | invarg("Invalid \"link-netnsid\" value\n", *argv); |
| 789 | addattr32(&req->n, sizeof(*req), IFLA_LINK_NETNSID, |
| 790 | link_netnsid); |
Anuradha Karuppiah | 1886482 | 2015-07-14 13:43:22 -0700 | [diff] [blame] | 791 | } else if (strcmp(*argv, "protodown") == 0) { |
| 792 | unsigned int proto_down; |
| 793 | |
| 794 | NEXT_ARG(); |
| 795 | if (strcmp(*argv, "on") == 0) |
| 796 | proto_down = 1; |
| 797 | else if (strcmp(*argv, "off") == 0) |
| 798 | proto_down = 0; |
| 799 | else |
| 800 | return on_off("protodown", *argv); |
| 801 | addattr8(&req->n, sizeof(*req), IFLA_PROTO_DOWN, |
| 802 | proto_down); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 803 | } else { |
Patrick McHardy | 0532555 | 2008-10-07 17:16:08 +0200 | [diff] [blame] | 804 | if (matches(*argv, "help") == 0) |
| 805 | usage(); |
Phil Sutter | 940a96e | 2015-09-21 21:33:01 +0200 | [diff] [blame] | 806 | |
| 807 | if (strcmp(*argv, "dev") == 0) |
| 808 | NEXT_ARG(); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 809 | if (*dev) |
| 810 | duparg2("dev", *argv); |
| 811 | *dev = *argv; |
Sucheta Chakraborty | f89a2a0 | 2014-05-22 09:59:37 -0400 | [diff] [blame] | 812 | dev_index = ll_name_to_index(*dev); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 813 | } |
| 814 | argc--; argv++; |
| 815 | } |
| 816 | |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 817 | if (dev_index && addr_len) { |
| 818 | int halen = nl_get_ll_addr_len(dev_index); |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 819 | |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 820 | if (halen >= 0 && halen != addr_len) { |
| 821 | fprintf(stderr, |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 822 | "Invalid address length %d - must be %d bytes\n", |
| 823 | addr_len, halen); |
Phil Sutter | 8fe58d5 | 2016-06-16 16:19:40 +0200 | [diff] [blame] | 824 | return -1; |
| 825 | } |
| 826 | } |
| 827 | |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 828 | return ret - argc; |
| 829 | } |
| 830 | |
| 831 | static int iplink_modify(int cmd, unsigned int flags, int argc, char **argv) |
| 832 | { |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 833 | int len; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 834 | char *dev = NULL; |
| 835 | char *name = NULL; |
| 836 | char *link = NULL; |
| 837 | char *type = NULL; |
WANG Cong | 3c68214 | 2014-09-05 16:36:14 -0700 | [diff] [blame] | 838 | int index = -1; |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 839 | int group; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 840 | struct link_util *lu = NULL; |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 841 | struct iplink_req req = { |
| 842 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), |
| 843 | .n.nlmsg_flags = NLM_F_REQUEST | flags, |
| 844 | .n.nlmsg_type = cmd, |
| 845 | .i.ifi_family = preferred_family, |
| 846 | }; |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 847 | int ret; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 848 | |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 849 | ret = iplink_parse(argc, argv, |
| 850 | &req, &name, &type, &link, &dev, &group, &index); |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 851 | if (ret < 0) |
| 852 | return ret; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 853 | |
Pavel Emelyanov | 909dfe2 | 2007-07-19 13:32:31 +0400 | [diff] [blame] | 854 | argc -= ret; |
| 855 | argv += ret; |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 856 | |
| 857 | if (group != -1) { |
| 858 | if (dev) |
| 859 | addattr_l(&req.n, sizeof(req), IFLA_GROUP, |
| 860 | &group, sizeof(group)); |
| 861 | else { |
| 862 | if (argc) { |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 863 | fprintf(stderr, |
| 864 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", |
| 865 | *argv); |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 866 | return -1; |
| 867 | } |
| 868 | if (flags & NLM_F_CREATE) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 869 | fprintf(stderr, "group cannot be used when creating devices.\n"); |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 870 | return -1; |
| 871 | } |
| 872 | |
| 873 | req.i.ifi_index = 0; |
| 874 | addattr32(&req.n, sizeof(req), IFLA_GROUP, group); |
Stephen Hemminger | c079e12 | 2015-05-27 12:26:14 -0700 | [diff] [blame] | 875 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
Roopa Prabhu | f921f56 | 2016-01-09 16:02:12 -0800 | [diff] [blame] | 876 | return -2; |
Vlad Dogaru | db02608 | 2011-02-02 20:23:41 +0200 | [diff] [blame] | 877 | return 0; |
| 878 | } |
| 879 | } |
| 880 | |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 881 | if (!(flags & NLM_F_CREATE)) { |
| 882 | if (!dev) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 883 | fprintf(stderr, "Not enough information: \"dev\" argument is required.\n"); |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 884 | exit(-1); |
| 885 | } |
WANG Cong | 3c68214 | 2014-09-05 16:36:14 -0700 | [diff] [blame] | 886 | if (cmd == RTM_NEWLINK && index != -1) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 887 | fprintf(stderr, "index can be used only when creating devices.\n"); |
WANG Cong | 3c68214 | 2014-09-05 16:36:14 -0700 | [diff] [blame] | 888 | exit(-1); |
| 889 | } |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 890 | |
| 891 | req.i.ifi_index = ll_name_to_index(dev); |
| 892 | if (req.i.ifi_index == 0) { |
| 893 | fprintf(stderr, "Cannot find device \"%s\"\n", dev); |
| 894 | return -1; |
| 895 | } |
| 896 | } else { |
| 897 | /* Allow "ip link add dev" and "ip link add name" */ |
| 898 | if (!name) |
| 899 | name = dev; |
| 900 | |
| 901 | if (link) { |
| 902 | int ifindex; |
| 903 | |
| 904 | ifindex = ll_name_to_index(link); |
| 905 | if (ifindex == 0) { |
| 906 | fprintf(stderr, "Cannot find device \"%s\"\n", |
| 907 | link); |
| 908 | return -1; |
| 909 | } |
| 910 | addattr_l(&req.n, sizeof(req), IFLA_LINK, &ifindex, 4); |
| 911 | } |
Pavel Emelyanov | 5e25cf7 | 2013-12-26 23:15:20 +0400 | [diff] [blame] | 912 | |
Atzm Watanabe | 68ac9ab | 2014-10-01 14:47:50 +0900 | [diff] [blame] | 913 | if (index == -1) |
| 914 | req.i.ifi_index = 0; |
| 915 | else |
| 916 | req.i.ifi_index = index; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | if (name) { |
| 920 | len = strlen(name) + 1; |
Patrick McHardy | ca78b0e | 2007-10-12 14:01:13 +0200 | [diff] [blame] | 921 | if (len == 1) |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 922 | invarg("\"\" is not a valid device identifier\n", |
| 923 | "name"); |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 924 | if (len > IFNAMSIZ) |
Patrick McHardy | ca78b0e | 2007-10-12 14:01:13 +0200 | [diff] [blame] | 925 | invarg("\"name\" too long\n", name); |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 926 | addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len); |
| 927 | } |
| 928 | |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 929 | if (type) { |
Duan Jiong | a1e2e5f | 2014-12-17 15:28:45 +0800 | [diff] [blame] | 930 | struct rtattr *linkinfo; |
Hangbin Liu | 22a8471 | 2016-09-20 18:02:12 +0800 | [diff] [blame] | 931 | char *ulinep = strchr(type, '_'); |
Nikolay Aleksandrov | 620dded | 2014-09-03 17:57:30 +0200 | [diff] [blame] | 932 | int iflatype; |
| 933 | |
Duan Jiong | a1e2e5f | 2014-12-17 15:28:45 +0800 | [diff] [blame] | 934 | linkinfo = addattr_nest(&req.n, sizeof(req), IFLA_LINKINFO); |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 935 | addattr_l(&req.n, sizeof(req), IFLA_INFO_KIND, type, |
| 936 | strlen(type)); |
| 937 | |
Hangbin Liu | 22a8471 | 2016-09-20 18:02:12 +0800 | [diff] [blame] | 938 | lu = get_link_kind(type); |
| 939 | if (ulinep && !strcmp(ulinep, "_slave")) |
Nikolay Aleksandrov | 620dded | 2014-09-03 17:57:30 +0200 | [diff] [blame] | 940 | iflatype = IFLA_INFO_SLAVE_DATA; |
Hangbin Liu | 22a8471 | 2016-09-20 18:02:12 +0800 | [diff] [blame] | 941 | else |
Nikolay Aleksandrov | 620dded | 2014-09-03 17:57:30 +0200 | [diff] [blame] | 942 | iflatype = IFLA_INFO_DATA; |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 943 | if (lu && argc) { |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 944 | struct rtattr *data = addattr_nest(&req.n, |
| 945 | sizeof(req), iflatype); |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 946 | |
| 947 | if (lu->parse_opt && |
| 948 | lu->parse_opt(lu, argc, argv, &req.n)) |
| 949 | return -1; |
| 950 | |
Duan Jiong | a1e2e5f | 2014-12-17 15:28:45 +0800 | [diff] [blame] | 951 | addattr_nest_end(&req.n, data); |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 952 | } else if (argc) { |
| 953 | if (matches(*argv, "help") == 0) |
| 954 | usage(); |
Stephen Hemminger | 6773bcc | 2016-10-09 19:24:38 -0700 | [diff] [blame] | 955 | fprintf(stderr, |
| 956 | "Garbage instead of arguments \"%s ...\". Try \"ip link help\".\n", |
| 957 | *argv); |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 958 | return -1; |
| 959 | } |
Duan Jiong | a1e2e5f | 2014-12-17 15:28:45 +0800 | [diff] [blame] | 960 | addattr_nest_end(&req.n, linkinfo); |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 961 | } else if (flags & NLM_F_CREATE) { |
Stephen Hemminger | 56f5daa | 2016-03-21 11:52:19 -0700 | [diff] [blame] | 962 | fprintf(stderr, "Not enough information: \"type\" argument is required\n"); |
Stephen Hemminger | 09fa327 | 2012-03-14 10:24:25 -0700 | [diff] [blame] | 963 | return -1; |
| 964 | } |
| 965 | |
Stephen Hemminger | c079e12 | 2015-05-27 12:26:14 -0700 | [diff] [blame] | 966 | if (rtnl_talk(&rth, &req.n, NULL, 0) < 0) |
Roopa Prabhu | f921f56 | 2016-01-09 16:02:12 -0800 | [diff] [blame] | 967 | return -2; |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 968 | |
| 969 | return 0; |
| 970 | } |
| 971 | |
Roopa Prabhu | 50b9950 | 2014-07-16 07:13:25 -0700 | [diff] [blame] | 972 | int iplink_get(unsigned int flags, char *name, __u32 filt_mask) |
| 973 | { |
| 974 | int len; |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 975 | struct iplink_req req = { |
| 976 | .n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifinfomsg)), |
| 977 | .n.nlmsg_flags = NLM_F_REQUEST | flags, |
| 978 | .n.nlmsg_type = RTM_GETLINK, |
| 979 | .i.ifi_family = preferred_family, |
| 980 | }; |
Stephen Hemminger | c079e12 | 2015-05-27 12:26:14 -0700 | [diff] [blame] | 981 | struct { |
| 982 | struct nlmsghdr n; |
| 983 | char buf[16384]; |
| 984 | } answer; |
Roopa Prabhu | 50b9950 | 2014-07-16 07:13:25 -0700 | [diff] [blame] | 985 | |
Roopa Prabhu | 50b9950 | 2014-07-16 07:13:25 -0700 | [diff] [blame] | 986 | if (name) { |
| 987 | len = strlen(name) + 1; |
| 988 | if (len == 1) |
| 989 | invarg("\"\" is not a valid device identifier\n", |
| 990 | "name"); |
| 991 | if (len > IFNAMSIZ) |
| 992 | invarg("\"name\" too long\n", name); |
| 993 | addattr_l(&req.n, sizeof(req), IFLA_IFNAME, name, len); |
| 994 | } |
| 995 | addattr32(&req.n, sizeof(req), IFLA_EXT_MASK, filt_mask); |
| 996 | |
Stephen Hemminger | c079e12 | 2015-05-27 12:26:14 -0700 | [diff] [blame] | 997 | if (rtnl_talk(&rth, &req.n, &answer.n, sizeof(answer)) < 0) |
Roopa Prabhu | 50b9950 | 2014-07-16 07:13:25 -0700 | [diff] [blame] | 998 | return -2; |
| 999 | |
Andy Gospodarek | 5d295bb | 2015-08-28 13:45:41 -0400 | [diff] [blame] | 1000 | if (brief) |
| 1001 | print_linkinfo_brief(NULL, &answer.n, stdout); |
| 1002 | else |
| 1003 | print_linkinfo(NULL, &answer.n, stdout); |
Roopa Prabhu | 50b9950 | 2014-07-16 07:13:25 -0700 | [diff] [blame] | 1004 | |
| 1005 | return 0; |
| 1006 | } |
| 1007 | |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 1008 | #if IPLINK_IOCTL_COMPAT |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1009 | static int get_ctl_fd(void) |
| 1010 | { |
| 1011 | int s_errno; |
| 1012 | int fd; |
| 1013 | |
| 1014 | fd = socket(PF_INET, SOCK_DGRAM, 0); |
| 1015 | if (fd >= 0) |
| 1016 | return fd; |
| 1017 | s_errno = errno; |
| 1018 | fd = socket(PF_PACKET, SOCK_DGRAM, 0); |
| 1019 | if (fd >= 0) |
| 1020 | return fd; |
| 1021 | fd = socket(PF_INET6, SOCK_DGRAM, 0); |
| 1022 | if (fd >= 0) |
| 1023 | return fd; |
| 1024 | errno = s_errno; |
| 1025 | perror("Cannot create control socket"); |
| 1026 | return -1; |
| 1027 | } |
| 1028 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1029 | static int do_chflags(const char *dev, __u32 flags, __u32 mask) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1030 | { |
| 1031 | struct ifreq ifr; |
| 1032 | int fd; |
| 1033 | int err; |
| 1034 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1035 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1036 | fd = get_ctl_fd(); |
| 1037 | if (fd < 0) |
| 1038 | return -1; |
| 1039 | err = ioctl(fd, SIOCGIFFLAGS, &ifr); |
| 1040 | if (err) { |
| 1041 | perror("SIOCGIFFLAGS"); |
| 1042 | close(fd); |
| 1043 | return -1; |
| 1044 | } |
| 1045 | if ((ifr.ifr_flags^flags)&mask) { |
| 1046 | ifr.ifr_flags &= ~mask; |
| 1047 | ifr.ifr_flags |= mask&flags; |
| 1048 | err = ioctl(fd, SIOCSIFFLAGS, &ifr); |
| 1049 | if (err) |
| 1050 | perror("SIOCSIFFLAGS"); |
| 1051 | } |
| 1052 | close(fd); |
| 1053 | return err; |
| 1054 | } |
| 1055 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1056 | static int do_changename(const char *dev, const char *newdev) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1057 | { |
| 1058 | struct ifreq ifr; |
| 1059 | int fd; |
| 1060 | int err; |
| 1061 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1062 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
| 1063 | strncpy(ifr.ifr_newname, newdev, IFNAMSIZ); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1064 | fd = get_ctl_fd(); |
| 1065 | if (fd < 0) |
| 1066 | return -1; |
| 1067 | err = ioctl(fd, SIOCSIFNAME, &ifr); |
| 1068 | if (err) { |
| 1069 | perror("SIOCSIFNAME"); |
| 1070 | close(fd); |
| 1071 | return -1; |
| 1072 | } |
| 1073 | close(fd); |
| 1074 | return err; |
| 1075 | } |
| 1076 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1077 | static int set_qlen(const char *dev, int qlen) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1078 | { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 1079 | struct ifreq ifr = { .ifr_qlen = qlen }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1080 | int s; |
| 1081 | |
| 1082 | s = get_ctl_fd(); |
| 1083 | if (s < 0) |
| 1084 | return -1; |
| 1085 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1086 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1087 | if (ioctl(s, SIOCSIFTXQLEN, &ifr) < 0) { |
| 1088 | perror("SIOCSIFXQLEN"); |
| 1089 | close(s); |
| 1090 | return -1; |
| 1091 | } |
| 1092 | close(s); |
| 1093 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1094 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1095 | } |
| 1096 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1097 | static int set_mtu(const char *dev, int mtu) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1098 | { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 1099 | struct ifreq ifr = { .ifr_mtu = mtu }; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1100 | int s; |
| 1101 | |
| 1102 | s = get_ctl_fd(); |
| 1103 | if (s < 0) |
| 1104 | return -1; |
| 1105 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1106 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1107 | if (ioctl(s, SIOCSIFMTU, &ifr) < 0) { |
| 1108 | perror("SIOCSIFMTU"); |
| 1109 | close(s); |
| 1110 | return -1; |
| 1111 | } |
| 1112 | close(s); |
| 1113 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1114 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1115 | } |
| 1116 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1117 | static int get_address(const char *dev, int *htype) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1118 | { |
Phil Sutter | d17b136 | 2016-07-18 16:48:42 +0200 | [diff] [blame] | 1119 | struct ifreq ifr = {}; |
| 1120 | struct sockaddr_ll me = { |
| 1121 | .sll_family = AF_PACKET, |
| 1122 | .sll_protocol = htons(ETH_P_LOOP), |
| 1123 | }; |
shemminger | f332d16 | 2005-07-05 22:37:15 +0000 | [diff] [blame] | 1124 | socklen_t alen; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1125 | int s; |
| 1126 | |
| 1127 | s = socket(PF_PACKET, SOCK_DGRAM, 0); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1128 | if (s < 0) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1129 | perror("socket(PF_PACKET)"); |
| 1130 | return -1; |
| 1131 | } |
| 1132 | |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1133 | strncpy(ifr.ifr_name, dev, IFNAMSIZ); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1134 | if (ioctl(s, SIOCGIFINDEX, &ifr) < 0) { |
| 1135 | perror("SIOCGIFINDEX"); |
| 1136 | close(s); |
| 1137 | return -1; |
| 1138 | } |
| 1139 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1140 | me.sll_ifindex = ifr.ifr_ifindex; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1141 | if (bind(s, (struct sockaddr *)&me, sizeof(me)) == -1) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1142 | perror("bind"); |
| 1143 | close(s); |
| 1144 | return -1; |
| 1145 | } |
| 1146 | |
| 1147 | alen = sizeof(me); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1148 | if (getsockname(s, (struct sockaddr *)&me, &alen) == -1) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1149 | perror("getsockname"); |
| 1150 | close(s); |
| 1151 | return -1; |
| 1152 | } |
| 1153 | close(s); |
| 1154 | *htype = me.sll_hatype; |
| 1155 | return me.sll_halen; |
| 1156 | } |
| 1157 | |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1158 | static int parse_address(const char *dev, int hatype, int halen, |
shemminger | 7b56575 | 2006-03-21 23:57:50 +0000 | [diff] [blame] | 1159 | char *lla, struct ifreq *ifr) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1160 | { |
| 1161 | int alen; |
| 1162 | |
| 1163 | memset(ifr, 0, sizeof(*ifr)); |
osdl.net!shemminger | 71058eb | 2004-09-01 17:15:45 +0000 | [diff] [blame] | 1164 | strncpy(ifr->ifr_name, dev, IFNAMSIZ); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1165 | ifr->ifr_hwaddr.sa_family = hatype; |
| 1166 | alen = ll_addr_a2n(ifr->ifr_hwaddr.sa_data, 14, lla); |
| 1167 | if (alen < 0) |
| 1168 | return -1; |
| 1169 | if (alen != halen) { |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 1170 | fprintf(stderr, "Wrong address (%s) length: expected %d bytes\n", |
| 1171 | lla, halen); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1172 | return -1; |
| 1173 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1174 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1175 | } |
| 1176 | |
| 1177 | static int set_address(struct ifreq *ifr, int brd) |
| 1178 | { |
| 1179 | int s; |
| 1180 | |
| 1181 | s = get_ctl_fd(); |
| 1182 | if (s < 0) |
| 1183 | return -1; |
| 1184 | if (ioctl(s, brd?SIOCSIFHWBROADCAST:SIOCSIFHWADDR, ifr) < 0) { |
| 1185 | perror(brd?"SIOCSIFHWBROADCAST":"SIOCSIFHWADDR"); |
| 1186 | close(s); |
| 1187 | return -1; |
| 1188 | } |
| 1189 | close(s); |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1190 | return 0; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1191 | } |
| 1192 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1193 | static int do_set(int argc, char **argv) |
| 1194 | { |
| 1195 | char *dev = NULL; |
| 1196 | __u32 mask = 0; |
| 1197 | __u32 flags = 0; |
| 1198 | int qlen = -1; |
| 1199 | int mtu = -1; |
| 1200 | char *newaddr = NULL; |
| 1201 | char *newbrd = NULL; |
| 1202 | struct ifreq ifr0, ifr1; |
| 1203 | char *newname = NULL; |
| 1204 | int htype, halen; |
| 1205 | |
| 1206 | while (argc > 0) { |
| 1207 | if (strcmp(*argv, "up") == 0) { |
| 1208 | mask |= IFF_UP; |
| 1209 | flags |= IFF_UP; |
| 1210 | } else if (strcmp(*argv, "down") == 0) { |
| 1211 | mask |= IFF_UP; |
| 1212 | flags &= ~IFF_UP; |
| 1213 | } else if (strcmp(*argv, "name") == 0) { |
| 1214 | NEXT_ARG(); |
| 1215 | newname = *argv; |
| 1216 | } else if (matches(*argv, "address") == 0) { |
| 1217 | NEXT_ARG(); |
| 1218 | newaddr = *argv; |
| 1219 | } else if (matches(*argv, "broadcast") == 0 || |
| 1220 | strcmp(*argv, "brd") == 0) { |
| 1221 | NEXT_ARG(); |
| 1222 | newbrd = *argv; |
| 1223 | } else if (matches(*argv, "txqueuelen") == 0 || |
| 1224 | strcmp(*argv, "qlen") == 0 || |
| 1225 | matches(*argv, "txqlen") == 0) { |
| 1226 | NEXT_ARG(); |
| 1227 | if (qlen != -1) |
| 1228 | duparg("txqueuelen", *argv); |
| 1229 | if (get_integer(&qlen, *argv, 0)) |
| 1230 | invarg("Invalid \"txqueuelen\" value\n", *argv); |
| 1231 | } else if (strcmp(*argv, "mtu") == 0) { |
| 1232 | NEXT_ARG(); |
| 1233 | if (mtu != -1) |
| 1234 | duparg("mtu", *argv); |
| 1235 | if (get_integer(&mtu, *argv, 0)) |
| 1236 | invarg("Invalid \"mtu\" value\n", *argv); |
| 1237 | } else if (strcmp(*argv, "multicast") == 0) { |
| 1238 | NEXT_ARG(); |
| 1239 | mask |= IFF_MULTICAST; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1240 | |
| 1241 | if (strcmp(*argv, "on") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1242 | flags |= IFF_MULTICAST; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1243 | else if (strcmp(*argv, "off") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1244 | flags &= ~IFF_MULTICAST; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1245 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 1246 | return on_off("multicast", *argv); |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1247 | } else if (strcmp(*argv, "allmulticast") == 0) { |
| 1248 | NEXT_ARG(); |
| 1249 | mask |= IFF_ALLMULTI; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1250 | |
| 1251 | if (strcmp(*argv, "on") == 0) |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1252 | flags |= IFF_ALLMULTI; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1253 | else if (strcmp(*argv, "off") == 0) |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1254 | flags &= ~IFF_ALLMULTI; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1255 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 1256 | return on_off("allmulticast", *argv); |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1257 | } else if (strcmp(*argv, "promisc") == 0) { |
| 1258 | NEXT_ARG(); |
| 1259 | mask |= IFF_PROMISC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1260 | |
| 1261 | if (strcmp(*argv, "on") == 0) |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1262 | flags |= IFF_PROMISC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1263 | else if (strcmp(*argv, "off") == 0) |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1264 | flags &= ~IFF_PROMISC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1265 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 1266 | return on_off("promisc", *argv); |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1267 | } else if (strcmp(*argv, "trailers") == 0) { |
| 1268 | NEXT_ARG(); |
| 1269 | mask |= IFF_NOTRAILERS; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1270 | |
| 1271 | if (strcmp(*argv, "off") == 0) |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1272 | flags |= IFF_NOTRAILERS; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1273 | else if (strcmp(*argv, "on") == 0) |
net[shemminger]!shemminger | d27b1b5 | 2004-07-01 22:15:50 +0000 | [diff] [blame] | 1274 | flags &= ~IFF_NOTRAILERS; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1275 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 1276 | return on_off("trailers", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1277 | } else if (strcmp(*argv, "arp") == 0) { |
| 1278 | NEXT_ARG(); |
| 1279 | mask |= IFF_NOARP; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1280 | |
| 1281 | if (strcmp(*argv, "on") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1282 | flags &= ~IFF_NOARP; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1283 | else if (strcmp(*argv, "off") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1284 | flags |= IFF_NOARP; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1285 | else |
Zhang Shengju | ff1e35e | 2015-08-13 06:41:50 +0000 | [diff] [blame] | 1286 | return on_off("arp", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1287 | } else if (matches(*argv, "dynamic") == 0) { |
| 1288 | NEXT_ARG(); |
| 1289 | mask |= IFF_DYNAMIC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1290 | |
| 1291 | if (strcmp(*argv, "on") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1292 | flags |= IFF_DYNAMIC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1293 | else if (strcmp(*argv, "off") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1294 | flags &= ~IFF_DYNAMIC; |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1295 | else |
Kees van Reeuwijk | 14645ec | 2013-02-08 03:32:36 +0000 | [diff] [blame] | 1296 | return on_off("dynamic", *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1297 | } else { |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1298 | if (strcmp(*argv, "dev") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1299 | NEXT_ARG(); |
Christoph Schulz | 8aacb9b | 2015-09-25 08:44:07 +0200 | [diff] [blame] | 1300 | else if (matches(*argv, "help") == 0) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1301 | usage(); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1302 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1303 | if (dev) |
| 1304 | duparg2("dev", *argv); |
| 1305 | dev = *argv; |
| 1306 | } |
| 1307 | argc--; argv++; |
| 1308 | } |
| 1309 | |
| 1310 | if (!dev) { |
Stephen Hemminger | ef0a738 | 2016-07-15 11:31:20 -0700 | [diff] [blame] | 1311 | fprintf(stderr, |
| 1312 | "Not enough of information: \"dev\" argument is required.\n"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1313 | exit(-1); |
| 1314 | } |
| 1315 | |
| 1316 | if (newaddr || newbrd) { |
| 1317 | halen = get_address(dev, &htype); |
| 1318 | if (halen < 0) |
| 1319 | return -1; |
| 1320 | if (newaddr) { |
| 1321 | if (parse_address(dev, htype, halen, newaddr, &ifr0) < 0) |
| 1322 | return -1; |
| 1323 | } |
| 1324 | if (newbrd) { |
| 1325 | if (parse_address(dev, htype, halen, newbrd, &ifr1) < 0) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1326 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1327 | } |
| 1328 | } |
| 1329 | |
| 1330 | if (newname && strcmp(dev, newname)) { |
Patrick McHardy | ca78b0e | 2007-10-12 14:01:13 +0200 | [diff] [blame] | 1331 | if (strlen(newname) == 0) |
| 1332 | invarg("\"\" is not a valid device identifier\n", "name"); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1333 | if (do_changename(dev, newname) < 0) |
| 1334 | return -1; |
| 1335 | dev = newname; |
| 1336 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1337 | if (qlen != -1) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1338 | if (set_qlen(dev, qlen) < 0) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1339 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1340 | } |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1341 | if (mtu != -1) { |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1342 | if (set_mtu(dev, mtu) < 0) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1343 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1344 | } |
| 1345 | if (newaddr || newbrd) { |
| 1346 | if (newbrd) { |
| 1347 | if (set_address(&ifr1, 1) < 0) |
Stephen Hemminger | ae665a5 | 2006-12-05 10:10:22 -0800 | [diff] [blame] | 1348 | return -1; |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1349 | } |
| 1350 | if (newaddr) { |
| 1351 | if (set_address(&ifr0, 0) < 0) |
| 1352 | return -1; |
| 1353 | } |
| 1354 | } |
| 1355 | if (mask) |
| 1356 | return do_chflags(dev, flags, mask); |
| 1357 | return 0; |
| 1358 | } |
Patrick McHardy | 1d93483 | 2007-08-22 10:49:01 -0700 | [diff] [blame] | 1359 | #endif /* IPLINK_IOCTL_COMPAT */ |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1360 | |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 1361 | static void do_help(int argc, char **argv) |
| 1362 | { |
| 1363 | struct link_util *lu = NULL; |
| 1364 | |
| 1365 | if (argc <= 0) { |
| 1366 | usage(); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1367 | return; |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 1368 | } |
| 1369 | |
| 1370 | lu = get_link_kind(*argv); |
vadimk | 561e650 | 2014-09-30 08:17:31 +0300 | [diff] [blame] | 1371 | if (lu && lu->print_help) |
| 1372 | lu->print_help(lu, argc-1, argv+1, stdout); |
| 1373 | else |
| 1374 | usage(); |
| 1375 | } |
| 1376 | |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1377 | int do_iplink(int argc, char **argv) |
| 1378 | { |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1379 | if (argc < 1) |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1380 | return ipaddr_list_link(0, NULL); |
| 1381 | |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1382 | if (iplink_have_newlink()) { |
| 1383 | if (matches(*argv, "add") == 0) |
| 1384 | return iplink_modify(RTM_NEWLINK, |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1385 | NLM_F_CREATE|NLM_F_EXCL, |
| 1386 | argc-1, argv+1); |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1387 | if (matches(*argv, "set") == 0 || |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1388 | matches(*argv, "change") == 0) |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1389 | return iplink_modify(RTM_NEWLINK, 0, |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1390 | argc-1, argv+1); |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1391 | if (matches(*argv, "replace") == 0) |
| 1392 | return iplink_modify(RTM_NEWLINK, |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1393 | NLM_F_CREATE|NLM_F_REPLACE, |
| 1394 | argc-1, argv+1); |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1395 | if (matches(*argv, "delete") == 0) |
| 1396 | return iplink_modify(RTM_DELLINK, 0, |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1397 | argc-1, argv+1); |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1398 | } else { |
| 1399 | #if IPLINK_IOCTL_COMPAT |
| 1400 | if (matches(*argv, "set") == 0) |
| 1401 | return do_set(argc-1, argv+1); |
| 1402 | #endif |
| 1403 | } |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1404 | |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1405 | if (matches(*argv, "show") == 0 || |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1406 | matches(*argv, "lst") == 0 || |
| 1407 | matches(*argv, "list") == 0) |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1408 | return ipaddr_list_link(argc-1, argv+1); |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1409 | |
Zhang Shengju | 6843d36 | 2015-08-14 03:13:41 +0000 | [diff] [blame] | 1410 | if (matches(*argv, "help") == 0) { |
| 1411 | do_help(argc-1, argv+1); |
| 1412 | return 0; |
| 1413 | } |
| 1414 | |
| 1415 | fprintf(stderr, "Command \"%s\" is unknown, try \"ip link help\".\n", |
Stephen Hemminger | 6c5ffb9 | 2015-08-25 15:57:04 -0700 | [diff] [blame] | 1416 | *argv); |
osdl.org!shemminger | aba5acd | 2004-04-15 20:56:59 +0000 | [diff] [blame] | 1417 | exit(-1); |
| 1418 | } |