144d362409d5469aed47d19e7908d19bd194493aThomas Graf/* 244d362409d5469aed47d19e7908d19bd194493aThomas Graf * src/nl-link-set.c Set link attributes 344d362409d5469aed47d19e7908d19bd194493aThomas Graf * 444d362409d5469aed47d19e7908d19bd194493aThomas Graf * This library is free software; you can redistribute it and/or 544d362409d5469aed47d19e7908d19bd194493aThomas Graf * modify it under the terms of the GNU Lesser General Public 644d362409d5469aed47d19e7908d19bd194493aThomas Graf * License as published by the Free Software Foundation version 2.1 744d362409d5469aed47d19e7908d19bd194493aThomas Graf * of the License. 844d362409d5469aed47d19e7908d19bd194493aThomas Graf * 9054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart * Copyright (c) 2003-2010 Thomas Graf <tgraf@suug.ch> 1044d362409d5469aed47d19e7908d19bd194493aThomas Graf */ 1144d362409d5469aed47d19e7908d19bd194493aThomas Graf 128808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf#include <netlink/cli/utils.h> 138808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf#include <netlink/cli/link.h> 1444d362409d5469aed47d19e7908d19bd194493aThomas Graf 1510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Grafstatic struct nl_sock *sock; 1610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Grafstatic int quiet = 0; 1710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 1810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf#if 0 1910cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " changes := [link LINK]\n" 2044d362409d5469aed47d19e7908d19bd194493aThomas Graf " [master MASTER] [qdisc QDISC] [addr ADDR] [broadcast BRD]\n" 2144d362409d5469aed47d19e7908d19bd194493aThomas Graf " [{ up | down }] [{ arp | noarp }] [{ promisc | nopromisc }]\n" 2244d362409d5469aed47d19e7908d19bd194493aThomas Graf " [{ dynamic | nodynamic }] [{ multicast | nomulticast }]\n" 2344d362409d5469aed47d19e7908d19bd194493aThomas Graf " [{ trailers | notrailers }] [{ allmulticast | noallmulticast }]\n"); 2410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf#endif 2510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 2610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Grafstatic void print_usage(void) 2710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf{ 2810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf printf( 2910cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf "Usage: nl-link-set [OPTION]... [LINK]\n" 3010cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf "\n" 3110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf "Options\n" 3210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " -q, --quiet Do not print informal notifications\n" 3310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " -h, --help Show this help\n" 3410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " -v, --version Show versioning information\n" 3510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf "\n" 3610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf "Selecting the Link\n" 3710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " -n, --name=NAME link name\n" 3810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " -i, --index interface index\n" 3910cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf "Change Options\n" 4010cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " --rename=NAME rename interface\n" 4110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " --mtu=NUM MTU value\n" 4210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " --txqlen=NUM TX queue length\n" 4310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf " --weight=NUM weight\n" 44054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart " --ifalias=NAME alias name (SNMP IfAlias)\n" 45054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart " --state=up/down set interface up/down\n" 4610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf ); 4710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf exit(0); 4844d362409d5469aed47d19e7908d19bd194493aThomas Graf} 4944d362409d5469aed47d19e7908d19bd194493aThomas Graf 5010cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Grafstatic void set_cb(struct nl_object *obj, void *arg) 5110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf{ 5210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf struct rtnl_link *link = nl_object_priv(obj); 5310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf struct rtnl_link *change = arg; 5410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf struct nl_dump_params params = { 55d84430702496f617c01c5e2d27d0e82e02390bb7Thomas Graf .dp_type = NL_DUMP_LINE, 5610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf .dp_fd = stdout, 5710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf }; 5810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf int err; 5910cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 60054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart if ((err = rtnl_link_change(sock, link, change, 0)) < 0) 618808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf nl_cli_fatal(err, "Unable to change link: %s", 628808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf nl_geterror(err)); 6310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 6410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf if (!quiet) { 6510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf printf("Changed "); 6610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf nl_object_dump(OBJ_CAST(link), ¶ms); 6710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf } 6810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf} 6944d362409d5469aed47d19e7908d19bd194493aThomas Graf 7044d362409d5469aed47d19e7908d19bd194493aThomas Grafint main(int argc, char *argv[]) 7144d362409d5469aed47d19e7908d19bd194493aThomas Graf{ 7244d362409d5469aed47d19e7908d19bd194493aThomas Graf struct nl_cache *link_cache; 7310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf struct rtnl_link *link, *change; 7410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf int ok = 0; 7510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 768808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf sock = nl_cli_alloc_socket(); 778808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf nl_cli_connect(sock, NETLINK_ROUTE); 788808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf link_cache = nl_cli_link_alloc_cache(sock); 798808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf link = nl_cli_link_alloc(); 808808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf change = nl_cli_link_alloc(); 8110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 8210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf for (;;) { 8310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf int c, optidx = 0; 8410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf enum { 8510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf ARG_RENAME = 257, 8610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf ARG_MTU = 258, 8710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf ARG_TXQLEN, 8810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf ARG_WEIGHT, 89054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart ARG_IFALIAS, 90054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart ARG_STATE, 9110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf }; 9210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf static struct option long_opts[] = { 9310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "quiet", 0, 0, 'q' }, 9410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "help", 0, 0, 'h' }, 9510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "version", 0, 0, 'v' }, 9610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "name", 1, 0, 'n' }, 9710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "index", 1, 0, 'i' }, 9810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "rename", 1, 0, ARG_RENAME }, 9910cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "mtu", 1, 0, ARG_MTU }, 10010cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "txqlen", 1, 0, ARG_TXQLEN }, 10110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { "weight", 1, 0, ARG_WEIGHT }, 102054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart { "ifalias", 1, 0, ARG_IFALIAS }, 103054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart { "state", 1, 0, ARG_STATE }, 10410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf { 0, 0, 0, 0 } 10510cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf }; 10610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 10710cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf c = getopt_long(argc, argv, "qhvn:i:", long_opts, &optidx); 10810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf if (c == -1) 10910cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf break; 11010cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf 11110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf switch (c) { 11210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf case 'q': quiet = 1; break; 11310cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf case 'h': print_usage(); break; 1148808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf case 'v': nl_cli_print_version(); break; 1158808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf case 'n': ok++; nl_cli_link_parse_name(link, optarg); break; 1168808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf case 'i': ok++; nl_cli_link_parse_ifindex(link, optarg); break; 1178808743839b0f459394ecd00cb0f7c1896c0ab7aThomas Graf case ARG_RENAME: nl_cli_link_parse_name(change, optarg); break; 118054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart case ARG_MTU: nl_cli_link_parse_mtu(change, optarg); break; 119054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart case ARG_TXQLEN: nl_cli_link_parse_txqlen(change, optarg); break; 120054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart case ARG_WEIGHT: nl_cli_link_parse_weight(change, optarg); break; 121054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart case ARG_IFALIAS: nl_cli_link_parse_ifalias(change, optarg); break; 122054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart case ARG_STATE: 123054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart if(!strcmp(optarg, "up")) 124054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart rtnl_link_set_flags(change, IFF_UP); 125054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart else if(!strcmp(optarg, "down")) 126054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart rtnl_link_unset_flags(change, IFF_UP); 127054c80d775f2ae9b8f50260bdfcb821e99c0da2aPaul Stewart break; 12810cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf } 12944d362409d5469aed47d19e7908d19bd194493aThomas Graf } 13044d362409d5469aed47d19e7908d19bd194493aThomas Graf 13110cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf if (!ok) 13210cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf print_usage(); 13344d362409d5469aed47d19e7908d19bd194493aThomas Graf 13410cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf nl_cache_foreach_filter(link_cache, OBJ_CAST(link), set_cb, change); 13544d362409d5469aed47d19e7908d19bd194493aThomas Graf 13610cf5a586c149fdb7e2639000dbfae5e6f8522a5Thomas Graf return 0; 13744d362409d5469aed47d19e7908d19bd194493aThomas Graf} 138