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author | Thomas Graf <tgraf@suug.ch> | 2007-09-15 01:28:01 +0200 |
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committer | Thomas Graf <tgraf@suug.ch> | 2007-09-15 01:28:01 +0200 |
commit | 44d362409d5469aed47d19e7908d19bd194493a4 (patch) | |
tree | 5d1e739a4566f3af796273e5c3f78ca53d234df6 /src/nl-link-set.c | |
download | libnl-44d362409d5469aed47d19e7908d19bd194493a4.tar.gz |
Initial importnougat-mr1-arc
Diffstat (limited to 'src/nl-link-set.c')
-rw-r--r-- | src/nl-link-set.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/nl-link-set.c b/src/nl-link-set.c new file mode 100644 index 00000000..1872301d --- /dev/null +++ b/src/nl-link-set.c @@ -0,0 +1,83 @@ +/* + * src/nl-link-set.c Set link attributes + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation version 2.1 + * of the License. + * + * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch> + */ + +#include "utils.h" + +static void print_usage(void) +{ + printf( + "Usage: nl-link-set <ifindex> <changes>\n" + " changes := [dev DEV] [mtu MTU] [txqlen TXQLEN] [weight WEIGHT] [link LINK]\n" + " [master MASTER] [qdisc QDISC] [addr ADDR] [broadcast BRD]\n" + " [{ up | down }] [{ arp | noarp }] [{ promisc | nopromisc }]\n" + " [{ dynamic | nodynamic }] [{ multicast | nomulticast }]\n" + " [{ trailers | notrailers }] [{ allmulticast | noallmulticast }]\n"); + exit(1); +} + +#include "f_link.c" + +int main(int argc, char *argv[]) +{ + struct nl_handle *nlh; + struct nl_cache *link_cache; + struct rtnl_link *link, *orig; + int err = 1, ifindex; + + if (nltool_init(argc, argv) < 0) + return -1; + + if (argc < 2 || !strcmp(argv[1], "-h")) + print_usage(); + + nlh = nltool_alloc_handle(); + if (!nlh) + return -1; + + link = rtnl_link_alloc(); + if (!link) + goto errout; + + if (nltool_connect(nlh, NETLINK_ROUTE) < 0) + goto errout_free; + + link_cache = nltool_alloc_link_cache(nlh); + if (!link_cache) + goto errout_close; + + ifindex = strtoul(argv[1], NULL, 0); + + if (!(orig = rtnl_link_get(link_cache, ifindex))) { + fprintf(stderr, "Interface index %d does not exist\n", ifindex); + goto errout_cache; + } + + get_filter(link, argc, argv, 2, link_cache); + + if (rtnl_link_change(nlh, orig, link, 0) < 0) { + fprintf(stderr, "Unable to change link: %s\n", nl_geterror()); + goto errout_put; + } + + err = 0; + +errout_put: + rtnl_link_put(orig); +errout_cache: + nl_cache_free(link_cache); +errout_close: + nl_close(nlh); +errout_free: + rtnl_link_put(link); +errout: + nl_handle_destroy(nlh); + return err; +} |