1/* 2 * q_multiq.c Multiqueue aware qdisc 3 * 4 * Copyright (c) 2008, Intel Corporation. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 * more details. 14 * 15 * You should have received a copy of the GNU General Public License along with 16 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple 17 * Place - Suite 330, Boston, MA 02111-1307 USA. 18 * 19 * Author: Alexander Duyck <alexander.h.duyck@intel.com> 20 * 21 * Original Authors: PJ Waskiewicz, <peter.p.waskiewicz.jr@intel.com> (RR) 22 * Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> (from PRIO) 23 * 24 */ 25 26#include <stdio.h> 27#include <stdlib.h> 28#include <unistd.h> 29#include <syslog.h> 30#include <fcntl.h> 31#include <sys/socket.h> 32#include <netinet/in.h> 33#include <arpa/inet.h> 34#include <string.h> 35 36#include "utils.h" 37#include "tc_util.h" 38 39static void explain(void) 40{ 41 fprintf(stderr, "Usage: ... multiq [help]\n"); 42} 43 44static int multiq_parse_opt(struct qdisc_util *qu, int argc, char **argv, 45 struct nlmsghdr *n) 46{ 47 struct tc_multiq_qopt opt; 48 49 if (argc) { 50 if (strcmp(*argv, "help") == 0) { 51 explain(); 52 return -1; 53 } else { 54 fprintf(stderr, "What is \"%s\"?\n", *argv); 55 explain(); 56 return -1; 57 } 58 } 59 60 addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt)); 61 return 0; 62} 63 64int multiq_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt) 65{ 66 struct tc_multiq_qopt *qopt; 67 68 if (opt == NULL) 69 return 0; 70 if (RTA_PAYLOAD(opt) < sizeof(*qopt)) 71 return 0; 72 73 qopt = RTA_DATA(opt); 74 75 fprintf(f, "bands %u/%u ", qopt->bands, qopt->max_bands); 76 77 return 0; 78} 79 80struct qdisc_util multiq_qdisc_util = { 81 .id = "multiq", 82 .parse_qopt = multiq_parse_opt, 83 .print_qopt = multiq_print_opt, 84}; 85