156 lines
4.3 KiB
C
156 lines
4.3 KiB
C
/*
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* src/nl-class-add.c Add/Update/Replace Traffic Class
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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 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/qdisc.h>
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#include <netlink/cli/class.h>
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#include <netlink/cli/link.h>
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#include <netlink-private/route/tc-api.h>
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static int quiet = 0;
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static void print_usage(void)
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{
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printf(
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"Usage: nl-class-add [OPTIONS]... class [CONFIGURATION]...\n"
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"\n"
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"OPTIONS\n"
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" -q, --quiet Do not print informal notifications.\n"
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" -h, --help Show this help text.\n"
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" -v, --version Show versioning information.\n"
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" --update Update class if it exists.\n"
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" --update-only Only update class, never create it.\n"
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" -d, --dev=DEV Network device the class should be attached to.\n"
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" -i, --id=ID ID of new class (default: auto-generated)\n"
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" -p, --parent=ID ID of parent { root | ingress | class-ID }\n"
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" --mtu=SIZE Overwrite MTU (default: MTU of network device)\n"
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" --mpu=SIZE Minimum packet size on the link (default: 0).\n"
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" --overhead=SIZE Overhead in bytes per packet (default: 0).\n"
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" --linktype=TYPE Overwrite linktype (default: type of network device)\n"
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"\n"
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"CONFIGURATION\n"
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" -h, --help Show help text of class specific options.\n"
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"\n"
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"EXAMPLE\n"
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" $ nl-class-add --dev=eth1 --parent=root htb --rate=100mbit\n"
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"\n"
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);
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exit(0);
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}
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int main(int argc, char *argv[])
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{
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struct nl_sock *sock;
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struct rtnl_class *class;
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struct rtnl_tc *tc;
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struct nl_cache *link_cache;
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struct nl_dump_params dp = {
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.dp_type = NL_DUMP_DETAILS,
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.dp_fd = stdout,
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};
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struct nl_cli_tc_module *tm;
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struct rtnl_tc_ops *ops;
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int err, flags = NLM_F_CREATE | NLM_F_EXCL;
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char *kind, *id = NULL;
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sock = nl_cli_alloc_socket();
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nl_cli_connect(sock, NETLINK_ROUTE);
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link_cache = nl_cli_link_alloc_cache(sock);
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class = nl_cli_class_alloc();
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tc = (struct rtnl_tc *) class;
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for (;;) {
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int c, optidx = 0;
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enum {
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ARG_UPDATE = 257,
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ARG_UPDATE_ONLY = 258,
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ARG_MTU,
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ARG_MPU,
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ARG_OVERHEAD,
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ARG_LINKTYPE,
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};
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static struct option long_opts[] = {
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{ "quiet", 0, 0, 'q' },
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{ "help", 0, 0, 'h' },
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{ "version", 0, 0, 'v' },
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{ "dev", 1, 0, 'd' },
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{ "parent", 1, 0, 'p' },
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{ "id", 1, 0, 'i' },
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{ "update", 0, 0, ARG_UPDATE },
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{ "update-only", 0, 0, ARG_UPDATE_ONLY },
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{ "mtu", 1, 0, ARG_MTU },
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{ "mpu", 1, 0, ARG_MPU },
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{ "overhead", 1, 0, ARG_OVERHEAD },
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{ "linktype", 1, 0, ARG_LINKTYPE },
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{ 0, 0, 0, 0 }
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};
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c = getopt_long(argc, argv, "+qhvd:p:i:",
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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 'q': quiet = 1; break;
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case 'h': print_usage(); break;
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case 'v': nl_cli_print_version(); break;
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case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break;
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case 'p': nl_cli_tc_parse_parent(tc, optarg); break;
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case 'i': id = strdup(optarg); break;
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case ARG_UPDATE: flags = NLM_F_CREATE; break;
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case ARG_UPDATE_ONLY: flags = 0; break;
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case ARG_MTU: nl_cli_tc_parse_mtu(tc, optarg); break;
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case ARG_MPU: nl_cli_tc_parse_mpu(tc, optarg); break;
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case ARG_OVERHEAD: nl_cli_tc_parse_overhead(tc, optarg); break;
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case ARG_LINKTYPE: nl_cli_tc_parse_linktype(tc, optarg); break;
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}
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}
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if (optind >= argc)
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print_usage();
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if (!rtnl_tc_get_ifindex(tc))
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nl_cli_fatal(EINVAL, "You must specify a network device (--dev=XXX)");
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if (!rtnl_tc_get_parent(tc))
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nl_cli_fatal(EINVAL, "You must specify a parent (--parent=XXX)");
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if (id) {
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nl_cli_tc_parse_handle(tc, id, 1);
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free(id);
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}
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kind = argv[optind++];
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rtnl_tc_set_kind(tc, kind);
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if (!(ops = rtnl_tc_get_ops(tc)))
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nl_cli_fatal(ENOENT, "Unknown class \"%s\"", kind);
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if (!(tm = nl_cli_tc_lookup(ops)))
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nl_cli_fatal(ENOTSUP, "class type \"%s\" not supported.", kind);
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tm->tm_parse_argv(tc, argc, argv);
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if (!quiet) {
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printf("Adding ");
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nl_object_dump(OBJ_CAST(class), &dp);
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}
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if ((err = rtnl_class_add(sock, class, flags)) < 0)
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nl_cli_fatal(EINVAL, "Unable to add class: %s", nl_geterror(err));
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return 0;
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}
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