94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
|
|
* 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) 2010-2011 Thomas Graf <tgraf@suug.ch>
|
|
*/
|
|
|
|
#include <netlink/cli/utils.h>
|
|
#include <netlink/cli/tc.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 void parse_argv(struct rtnl_tc *tc, int argc, char **argv)
|
|
{
|
|
struct rtnl_cls *cls = (struct rtnl_cls *) tc;
|
|
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;
|
|
}
|
|
}
|
|
}
|
|
|
|
static struct nl_cli_tc_module basic_module =
|
|
{
|
|
.tm_name = "basic",
|
|
.tm_type = RTNL_TC_TYPE_CLS,
|
|
.tm_parse_argv = parse_argv,
|
|
};
|
|
|
|
static void __init basic_init(void)
|
|
{
|
|
nl_cli_tc_register(&basic_module);
|
|
}
|
|
|
|
static void __exit basic_exit(void)
|
|
{
|
|
nl_cli_tc_unregister(&basic_module);
|
|
}
|