| /* SPDX-License-Identifier: LGPL-2.1-only */ |
| /* |
| * src/nl-qdisc-list.c List Queueing Disciplines |
| * |
| * 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) 2003-2010 Thomas Graf <tgraf@suug.ch> |
| */ |
| |
| #include <netlink/cli/utils.h> |
| #include <netlink/cli/tc.h> |
| #include <netlink/cli/qdisc.h> |
| #include <netlink/cli/class.h> |
| #include <netlink/cli/cls.h> |
| #include <netlink/cli/link.h> |
| |
| #include <linux/pkt_sched.h> |
| #include <linux/netlink.h> |
| |
| #define NUM_INDENT 4 |
| |
| static struct nl_sock *sock; |
| static int recursive = 0; |
| static struct nl_dump_params params = { |
| .dp_type = NL_DUMP_LINE, |
| }; |
| |
| static void print_usage(void) |
| { |
| printf( |
| "Usage: nl-qdisc-list [OPTION]... [QDISC]\n" |
| "\n" |
| "OPTIONS\n" |
| " --details Show details\n" |
| " --stats Show statistics\n" |
| " -r, --recursive Show recursive tree\n" |
| " -h, --help Show this help\n" |
| " -v, --version Show versioning information\n" |
| "\n" |
| " -d, --dev=DEV Device the qdisc is attached to. (default: all)\n" |
| " -p, --parent=ID Identifier of parent qdisc.\n" |
| " -i, --id=ID Identifier.\n" |
| " -k, --kind=NAME Kind of qdisc (e.g. pfifo_fast)\n" |
| "\n" |
| "EXAMPLE\n" |
| " # Display statistics of all qdiscs attached to eth0\n" |
| " $ nl-qdisc-list --details --dev=eth0\n" |
| "\n" |
| ); |
| exit(0); |
| } |
| |
| static void list_classes(int ifindex, uint32_t parent); |
| static void list_qdiscs(int ifindex, uint32_t parent); |
| |
| static void list_class(struct nl_object *obj, void *arg) |
| { |
| struct rtnl_tc *tc = nl_object_priv(obj); |
| nl_object_dump(obj, ¶ms); |
| |
| list_classes(rtnl_tc_get_ifindex(tc), rtnl_tc_get_handle(tc)); |
| list_qdiscs(rtnl_tc_get_ifindex(tc), rtnl_tc_get_handle(tc)); |
| } |
| |
| static void list_classes(int ifindex, uint32_t parent) |
| { |
| struct nl_cache *class_cache; |
| struct rtnl_class *filter = nl_cli_class_alloc(); |
| |
| class_cache = nl_cli_class_alloc_cache(sock, ifindex); |
| |
| rtnl_tc_set_parent((struct rtnl_tc *) filter, parent); |
| params.dp_prefix += NUM_INDENT; |
| nl_cache_foreach_filter(class_cache, OBJ_CAST(filter), list_class, NULL); |
| params.dp_prefix -= NUM_INDENT; |
| |
| rtnl_class_put(filter); |
| nl_cache_free(class_cache); |
| } |
| |
| static void list_cls(int ifindex, uint32_t parent) |
| { |
| struct nl_cache *cls_cache; |
| |
| cls_cache = nl_cli_cls_alloc_cache(sock, ifindex, parent); |
| |
| params.dp_prefix += NUM_INDENT; |
| nl_cache_dump(cls_cache, ¶ms); |
| params.dp_prefix -= NUM_INDENT; |
| |
| nl_cache_free(cls_cache); |
| } |
| |
| static void list_qdisc(struct nl_object *obj, void *arg) |
| { |
| struct rtnl_qdisc *qdisc = nl_object_priv(obj); |
| struct rtnl_tc *tc = (struct rtnl_tc *) qdisc; |
| |
| nl_object_dump(obj, ¶ms); |
| |
| list_cls(rtnl_tc_get_ifindex(tc), rtnl_tc_get_handle(tc)); |
| |
| if (rtnl_tc_get_parent(tc) == TC_H_ROOT) { |
| list_cls(rtnl_tc_get_ifindex(tc), TC_H_ROOT); |
| list_classes(rtnl_tc_get_ifindex(tc), TC_H_ROOT); |
| } |
| |
| list_classes(rtnl_tc_get_ifindex(tc), rtnl_tc_get_handle(tc)); |
| } |
| |
| static void list_qdiscs(int ifindex, uint32_t parent) |
| { |
| struct nl_cache *qdisc_cache; |
| struct rtnl_qdisc *filter = nl_cli_qdisc_alloc(); |
| |
| qdisc_cache = nl_cli_qdisc_alloc_cache(sock); |
| |
| rtnl_tc_set_ifindex((struct rtnl_tc *) filter, ifindex); |
| rtnl_tc_set_parent((struct rtnl_tc *) filter, parent); |
| params.dp_prefix += NUM_INDENT; |
| nl_cache_foreach_filter(qdisc_cache, OBJ_CAST(filter), list_qdisc, NULL); |
| params.dp_prefix -= NUM_INDENT; |
| |
| rtnl_qdisc_put(filter); |
| nl_cache_free(qdisc_cache); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| struct rtnl_qdisc *qdisc; |
| struct rtnl_tc *tc; |
| struct nl_cache *link_cache, *qdisc_cache; |
| |
| params.dp_fd = stdout; |
| sock = nl_cli_alloc_socket(); |
| nl_cli_connect(sock, NETLINK_ROUTE); |
| link_cache = nl_cli_link_alloc_cache(sock); |
| qdisc_cache = nl_cli_qdisc_alloc_cache(sock); |
| qdisc = nl_cli_qdisc_alloc(); |
| tc = (struct rtnl_tc *) qdisc; |
| |
| for (;;) { |
| int c, optidx = 0; |
| enum { |
| ARG_DETAILS = 257, |
| ARG_STATS = 258, |
| }; |
| static struct option long_opts[] = { |
| { "details", 0, 0, ARG_DETAILS }, |
| { "stats", 0, 0, ARG_STATS }, |
| { "recursive", 0, 0, 'r' }, |
| { "help", 0, 0, 'h' }, |
| { "version", 0, 0, 'v' }, |
| { "dev", 1, 0, 'd' }, |
| { "parent", 1, 0, 'p' }, |
| { "id", 1, 0, 'i' }, |
| { "kind", 1, 0, 'k' }, |
| { 0, 0, 0, 0 } |
| }; |
| |
| c = getopt_long(argc, argv, "rhvd:p:i:k:", long_opts, &optidx); |
| if (c == -1) |
| break; |
| |
| switch (c) { |
| case ARG_DETAILS: params.dp_type = NL_DUMP_DETAILS; break; |
| case ARG_STATS: params.dp_type = NL_DUMP_STATS; break; |
| case 'r': recursive = 1; break; |
| case 'h': print_usage(); break; |
| case 'v': nl_cli_print_version(); break; |
| case 'd': nl_cli_tc_parse_dev(tc, link_cache, optarg); break; |
| case 'p': nl_cli_tc_parse_parent(tc, optarg); break; |
| case 'i': nl_cli_tc_parse_handle(tc, optarg, 0); break; |
| case 'k': nl_cli_tc_parse_kind(tc, optarg); break; |
| } |
| } |
| |
| if (recursive) |
| nl_cache_foreach_filter(qdisc_cache, OBJ_CAST(qdisc), list_qdisc, NULL); |
| else |
| nl_cache_dump_filter(qdisc_cache, ¶ms, OBJ_CAST(qdisc)); |
| |
| return 0; |
| } |