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/* * src/nl-qdisc-dump.c Dump qdisc attributes * * 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) 2003-2006 Thomas Graf <tgraf@suug.ch> */ #include "utils.h" #include <netlink/route/sch/fifo.h> #include <netlink/route/sch/prio.h> static void print_usage(void) { printf( "Usage: nl-qdisc-add <ifindex> <handle> <parent> <kind>\n"); exit(1); } static int parse_blackhole_opts(struct rtnl_qdisc *qdisc, char *argv[], int argc) { return 0; } static int parse_pfifo_opts(struct rtnl_qdisc *qdisc, char *argv[], int argc) { int err, limit; if (argc > 0) { if (argc != 2 || strcasecmp(argv[0], "limit")) { fprintf(stderr, "Usage: ... pfifo limit <limit>\n"); return -1; } limit = strtoul(argv[1], NULL, 0); err = rtnl_qdisc_fifo_set_limit(qdisc, limit); if (err < 0) { fprintf(stderr, "%s\n", nl_geterror()); return -1; } } return 0; } static int parse_bfifo_opts(struct rtnl_qdisc *qdisc, char *argv[], int argc) { int err, limit; if (argc > 0) { if (argc != 2 || strcasecmp(argv[0], "limit")) { fprintf(stderr, "Usage: ... bfifo limit <limit>\n"); return -1; } limit = nl_size2int(argv[1]); if (limit < 0) { fprintf(stderr, "Invalid value for limit.\n"); return -1; } err = rtnl_qdisc_fifo_set_limit(qdisc, limit); if (err < 0) { fprintf(stderr, "%s\n", nl_geterror()); return -1; } } return 0; } static int parse_prio_opts(struct rtnl_qdisc *qdisc, char *argv[], int argc) { int i, err, bands; uint8_t map[] = QDISC_PRIO_DEFAULT_PRIOMAP; if (argc > 0) { if (argc < 2 || strcasecmp(argv[0], "bands")) goto usage; bands = strtoul(argv[1], NULL, 0); err = rtnl_qdisc_prio_set_bands(qdisc, bands); if (err < 0) { fprintf(stderr, "%s\n", nl_geterror()); return -1; } } if (argc > 2) { if (argc < 5 || strcasecmp(argv[2], "map")) goto usage; for (i = 3; i < (argc & ~1U); i += 2) { int prio, band; prio = rtnl_str2prio(argv[i]); if (prio < 0 || prio > sizeof(map)/sizeof(map[0])) { fprintf(stderr, "Invalid priority \"%s\"\n", argv[i]); return -1; } band = strtoul(argv[i+1], NULL, 0); map[prio] = band; } } err = rtnl_qdisc_prio_set_priomap(qdisc, map, sizeof(map)); if (err < 0) { fprintf(stderr, "%s\n", nl_geterror()); return -1; } return 0; usage: fprintf(stderr, "Usage: ... prio bands <nbands> map MAP\n" "MAP := <prio> <band>\n"); return -1; } int main(int argc, char *argv[]) { struct nl_handle *nlh; struct rtnl_qdisc *qdisc; uint32_t handle, parent; int err = 1; if (nltool_init(argc, argv) < 0) return -1; if (argc < 5 || !strcmp(argv[1], "-h")) print_usage(); nlh = nltool_alloc_handle(); if (!nlh) goto errout; qdisc = rtnl_qdisc_alloc(); if (!qdisc) goto errout_free_handle; rtnl_qdisc_set_ifindex(qdisc, strtoul(argv[1], NULL, 0)); if (rtnl_tc_str2handle(argv[2], &handle) < 0) { fprintf(stderr, "%s\n", nl_geterror()); goto errout_free_qdisc; } if (rtnl_tc_str2handle(argv[3], &parent) < 0) { fprintf(stderr, "%s\n", nl_geterror()); goto errout_free_qdisc; } rtnl_qdisc_set_handle(qdisc, handle); rtnl_qdisc_set_parent(qdisc, parent); rtnl_qdisc_set_kind(qdisc, argv[4]); if (!strcasecmp(argv[4], "blackhole")) err = parse_blackhole_opts(qdisc, &argv[5], argc-5); else if (!strcasecmp(argv[4], "pfifo")) err = parse_pfifo_opts(qdisc, &argv[5], argc-5); else if (!strcasecmp(argv[4], "bfifo")) err = parse_bfifo_opts(qdisc, &argv[5], argc-5); else if (!strcasecmp(argv[4], "prio")) err = parse_prio_opts(qdisc, &argv[5], argc-5); else { fprintf(stderr, "Unknown qdisc \"%s\"\n", argv[4]); goto errout_free_qdisc; } if (err < 0) goto errout_free_qdisc; if (nltool_connect(nlh, NETLINK_ROUTE) < 0) goto errout_free_qdisc; if (rtnl_qdisc_add(nlh, qdisc, NLM_F_REPLACE) < 0) { fprintf(stderr, "Unable to add Qdisc: %s\n", nl_geterror()); goto errout_close; } err = 0; errout_close: nl_close(nlh); errout_free_qdisc: rtnl_qdisc_put(qdisc); errout_free_handle: nl_handle_destroy(nlh); errout: return err; }


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