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94 lines
2.1 KiB
94 lines
2.1 KiB
/*
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* lib/cli/cls/basic.c basic classifier module for CLI lib
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* Copyright (c) 2010-2011 Thomas Graf <tgraf@suug.ch>
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*/
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#include <netlink/cli/utils.h>
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#include <netlink/cli/tc.h>
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#include <netlink/cli/cls.h>
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#include <netlink/route/cls/basic.h>
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static void print_usage(void)
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{
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printf(
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"Usage: nl-cls-add [...] basic [OPTIONS]...\n"
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"\n"
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"OPTIONS\n"
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" -h, --help Show this help text.\n"
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" -t, --target=ID Target class to send matching packets to\n"
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" -e, --ematch=EXPR Ematch expression\n"
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"\n"
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"EXAMPLE"
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" # Create a \"catch-all\" classifier, attached to \"q_root\", classyfing\n"
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" # all not yet classified packets to class \"c_default\"\n"
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" nl-cls-add --dev=eth0 --parent=q_root basic --target=c_default\n");
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}
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static void parse_argv(struct rtnl_tc *tc, int argc, char **argv)
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{
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struct rtnl_cls *cls = (struct rtnl_cls *) tc;
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struct rtnl_ematch_tree *tree;
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uint32_t target;
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int err;
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for (;;) {
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int c, optidx = 0;
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enum {
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ARG_TARGET = 257,
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ARG_DEFAULT = 258,
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};
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static struct option long_opts[] = {
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{ "help", 0, 0, 'h' },
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{ "target", 1, 0, 't' },
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{ "ematch", 1, 0, 'e' },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "ht:e:", long_opts, &optidx);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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print_usage();
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exit(0);
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case 't':
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if ((err = rtnl_tc_str2handle(optarg, &target)) < 0)
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nl_cli_fatal(err, "Unable to parse target \"%s\":",
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optarg, nl_geterror(err));
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rtnl_basic_set_target(cls, target);
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break;
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case 'e':
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tree = nl_cli_cls_parse_ematch(cls, optarg);
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rtnl_basic_set_ematch(cls, tree);
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break;
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}
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}
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}
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static struct nl_cli_tc_module basic_module =
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{
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.tm_name = "basic",
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.tm_type = RTNL_TC_TYPE_CLS,
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.tm_parse_argv = parse_argv,
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};
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static void __init basic_init(void)
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{
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nl_cli_tc_register(&basic_module);
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}
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static void __exit basic_exit(void)
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{
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nl_cli_tc_unregister(&basic_module);
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}
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