Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * src/nl-link-set.c Set link attributes |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation version 2.1 |
| 7 | * of the License. |
| 8 | * |
Thomas Graf | 8808743 | 2009-12-16 16:20:46 +0100 | [diff] [blame] | 9 | * Copyright (c) 2003-2009 Thomas Graf <tgraf@suug.ch> |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 10 | */ |
| 11 | |
Thomas Graf | 8808743 | 2009-12-16 16:20:46 +0100 | [diff] [blame] | 12 | #include <netlink/cli/utils.h> |
| 13 | #include <netlink/cli/link.h> |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 14 | |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 15 | static struct nl_sock *sock; |
| 16 | static int quiet = 0; |
| 17 | |
| 18 | #if 0 |
| 19 | " changes := [link LINK]\n" |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 20 | " [master MASTER] [qdisc QDISC] [addr ADDR] [broadcast BRD]\n" |
| 21 | " [{ up | down }] [{ arp | noarp }] [{ promisc | nopromisc }]\n" |
| 22 | " [{ dynamic | nodynamic }] [{ multicast | nomulticast }]\n" |
| 23 | " [{ trailers | notrailers }] [{ allmulticast | noallmulticast }]\n"); |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 24 | #endif |
| 25 | |
| 26 | static void print_usage(void) |
| 27 | { |
| 28 | printf( |
| 29 | "Usage: nl-link-set [OPTION]... [LINK]\n" |
| 30 | "\n" |
| 31 | "Options\n" |
| 32 | " -q, --quiet Do not print informal notifications\n" |
| 33 | " -h, --help Show this help\n" |
| 34 | " -v, --version Show versioning information\n" |
| 35 | "\n" |
| 36 | "Selecting the Link\n" |
| 37 | " -n, --name=NAME link name\n" |
| 38 | " -i, --index interface index\n" |
| 39 | "Change Options\n" |
| 40 | " --rename=NAME rename interface\n" |
| 41 | " --mtu=NUM MTU value\n" |
| 42 | " --txqlen=NUM TX queue length\n" |
| 43 | " --weight=NUM weight\n" |
| 44 | ); |
| 45 | exit(0); |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 46 | } |
| 47 | |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 48 | static void set_cb(struct nl_object *obj, void *arg) |
| 49 | { |
| 50 | struct rtnl_link *link = nl_object_priv(obj); |
| 51 | struct rtnl_link *change = arg; |
| 52 | struct nl_dump_params params = { |
Thomas Graf | d844307 | 2008-05-23 23:45:14 +0200 | [diff] [blame] | 53 | .dp_type = NL_DUMP_LINE, |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 54 | .dp_fd = stdout, |
| 55 | }; |
| 56 | int err; |
| 57 | |
| 58 | if ((err = rtnl_link_change(sock, link, change, 0) < 0)) |
Thomas Graf | 8808743 | 2009-12-16 16:20:46 +0100 | [diff] [blame] | 59 | nl_cli_fatal(err, "Unable to change link: %s", |
| 60 | nl_geterror(err)); |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 61 | |
| 62 | if (!quiet) { |
| 63 | printf("Changed "); |
| 64 | nl_object_dump(OBJ_CAST(link), ¶ms); |
| 65 | } |
| 66 | } |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 67 | |
| 68 | int main(int argc, char *argv[]) |
| 69 | { |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 70 | struct nl_cache *link_cache; |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 71 | struct rtnl_link *link, *change; |
| 72 | int ok = 0; |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 73 | |
Thomas Graf | 8808743 | 2009-12-16 16:20:46 +0100 | [diff] [blame] | 74 | sock = nl_cli_alloc_socket(); |
| 75 | nl_cli_connect(sock, NETLINK_ROUTE); |
| 76 | link_cache = nl_cli_link_alloc_cache(sock); |
| 77 | link = nl_cli_link_alloc(); |
| 78 | change = nl_cli_link_alloc(); |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 79 | |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 80 | for (;;) { |
| 81 | int c, optidx = 0; |
| 82 | enum { |
| 83 | ARG_RENAME = 257, |
| 84 | ARG_MTU = 258, |
| 85 | ARG_TXQLEN, |
| 86 | ARG_WEIGHT, |
| 87 | }; |
| 88 | static struct option long_opts[] = { |
| 89 | { "quiet", 0, 0, 'q' }, |
| 90 | { "help", 0, 0, 'h' }, |
| 91 | { "version", 0, 0, 'v' }, |
| 92 | { "name", 1, 0, 'n' }, |
| 93 | { "index", 1, 0, 'i' }, |
| 94 | { "rename", 1, 0, ARG_RENAME }, |
| 95 | { "mtu", 1, 0, ARG_MTU }, |
| 96 | { "txqlen", 1, 0, ARG_TXQLEN }, |
| 97 | { "weight", 1, 0, ARG_WEIGHT }, |
| 98 | { 0, 0, 0, 0 } |
| 99 | }; |
| 100 | |
| 101 | c = getopt_long(argc, argv, "qhvn:i:", long_opts, &optidx); |
| 102 | if (c == -1) |
| 103 | break; |
| 104 | |
| 105 | switch (c) { |
| 106 | case 'q': quiet = 1; break; |
| 107 | case 'h': print_usage(); break; |
Thomas Graf | 8808743 | 2009-12-16 16:20:46 +0100 | [diff] [blame] | 108 | case 'v': nl_cli_print_version(); break; |
| 109 | case 'n': ok++; nl_cli_link_parse_name(link, optarg); break; |
| 110 | case 'i': ok++; nl_cli_link_parse_ifindex(link, optarg); break; |
| 111 | case ARG_RENAME: nl_cli_link_parse_name(change, optarg); break; |
| 112 | case ARG_MTU: nl_cli_link_parse_mtu(link, optarg); break; |
| 113 | case ARG_TXQLEN: nl_cli_link_parse_txqlen(link, optarg); break; |
| 114 | case ARG_WEIGHT: nl_cli_link_parse_weight(link, optarg); break; |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 115 | } |
| 116 | } |
| 117 | |
| 118 | if (!ok) |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 119 | print_usage(); |
| 120 | |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 121 | nl_cache_foreach_filter(link_cache, OBJ_CAST(link), set_cb, change); |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 122 | |
Thomas Graf | 10cf5a5 | 2008-05-23 00:02:02 +0200 | [diff] [blame] | 123 | return 0; |
Thomas Graf | 44d3624 | 2007-09-15 01:28:01 +0200 | [diff] [blame] | 124 | } |