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/*
* lib/cli/cls/basic.c basic classifier module for CLI lib
*
* 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) 2010 Thomas Graf <tgraf@suug.ch>
*/
#include <netlink/cli/utils.h>
#include <netlink/cli/cls.h>
#include <netlink/route/cls/basic.h>
static void print_usage(void)
{
printf(
"Usage: nl-cls-add [...] basic [OPTIONS]...\n"
"\n"
"OPTIONS\n"
" -h, --help Show this help text.\n"
" -t, --target=ID Target class to send matching packets to\n"
" -e, --ematch=EXPR Ematch expression\n"
"\n"
"EXAMPLE"
" # Create a \"catch-all\" classifier, attached to \"q_root\", classyfing\n"
" # all not yet classified packets to class \"c_default\"\n"
" nl-cls-add --dev=eth0 --parent=q_root basic --target=c_default\n");
}
static int parse_argv(struct rtnl_cls *cls, int argc, char **argv)
{
struct rtnl_ematch_tree *tree;
uint32_t target;
int err;
for (;;) {
int c, optidx = 0;
enum {
ARG_TARGET = 257,
ARG_DEFAULT = 258,
};
static struct option long_opts[] = {
{ "help", 0, 0, 'h' },
{ "target", 1, 0, 't' },
{ "ematch", 1, 0, 'e' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "ht:e:", long_opts, &optidx);
if (c == -1)
break;
switch (c) {
case 'h':
print_usage();
exit(0);
case 't':
if ((err = rtnl_tc_str2handle(optarg, &target)) < 0)
nl_cli_fatal(err, "Unable to parse target \"%s\":",
optarg, nl_geterror(err));
rtnl_basic_set_target(cls, target);
break;
case 'e':
tree = nl_cli_cls_parse_ematch(cls, optarg);
rtnl_basic_set_ematch(cls, tree);
break;
}
}
return 0;
}
static struct nl_cli_cls_module basic_module =
{
.cm_name = "basic",
.cm_parse_argv = parse_argv,
};
static void __init basic_init(void)
{
nl_cli_cls_register(&basic_module);
}
static void __exit basic_exit(void)
{
nl_cli_cls_unregister(&basic_module);
}
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