1dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat/* 2dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * tc_qdisc.c "tc qdisc". 3dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 4dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * This program is free software; you can redistribute it and/or 5dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * modify it under the terms of the GNU General Public License 6dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * as published by the Free Software Foundation; either version 7dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 2 of the License, or (at your option) any later version. 8dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * 9dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * J Hadi Salim: Extension to ingress 11dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat */ 12dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 13dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <stdio.h> 14dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <stdlib.h> 15dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <unistd.h> 16dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <syslog.h> 17dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <fcntl.h> 18dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <sys/socket.h> 19dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <netinet/in.h> 20dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <arpa/inet.h> 21dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <string.h> 22dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <math.h> 23dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include <malloc.h> 24dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 25dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "utils.h" 26dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "tc_util.h" 27dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "tc_common.h" 28dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 29dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic int usage(void); 30dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 31dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic int usage(void) 32dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 33dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Usage: tc qdisc [ add | del | replace | change | show ] dev STRING\n"); 34dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ handle QHANDLE ] [ root | ingress | parent CLASSID ]\n"); 35dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ estimator INTERVAL TIME_CONSTANT ]\n"); 36dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ stab [ help | STAB_OPTIONS] ]\n"); 37dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"); 38dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "\n"); 39dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " tc qdisc show [ dev STRING ] [ingress]\n"); 40dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Where:\n"); 41dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "QDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n"); 42dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "OPTIONS := ... try tc qdisc add <desired QDISC_KIND> help\n"); 43dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "STAB_OPTIONS := ... try tc qdisc add stab help\n"); 44dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 45dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 46dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 47dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint tc_qdisc_modify(int cmd, unsigned flags, int argc, char **argv) 48dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 49dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct qdisc_util *q = NULL; 50dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tc_estimator est; 51dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct { 52dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tc_sizespec szopts; 53dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u16 *data; 54dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } stab; 55dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char d[16]; 56dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char k[16]; 57dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct { 58dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr n; 59dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg t; 60dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char buf[TCA_BUF_MAX]; 61dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } req; 62dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 63dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&req, 0, sizeof(req)); 64dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&stab, 0, sizeof(stab)); 65dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&est, 0, sizeof(est)); 66dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&d, 0, sizeof(d)); 67dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&k, 0, sizeof(k)); 68dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 69dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)); 70dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_flags = NLM_F_REQUEST|flags; 71dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_type = cmd; 72dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_family = AF_UNSPEC; 73dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 74dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 75dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 76dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 77dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) 78dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("dev", *argv); 79dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(d, *argv, sizeof(d)-1); 80dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "handle") == 0) { 81dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 82dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_handle) 83dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("handle", *argv); 84dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 85dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_qdisc_handle(&handle, *argv)) 86dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid qdisc ID"); 87dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_handle = handle; 88dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "root") == 0) { 89dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) { 90dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: \"root\" is duplicate parent ID\n"); 91dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 92dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 93dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = TC_H_ROOT; 94dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#ifdef TC_H_INGRESS 95dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "ingress") == 0) { 96dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) { 97dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: \"ingress\" is a duplicate parent ID\n"); 98dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 99dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 100dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = TC_H_INGRESS; 101dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(k, "ingress", sizeof(k)-1); 102dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_qdisc_kind(k); 103dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_handle = 0xffff0000; 104dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 105dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 106dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat break; 107dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#endif 108dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "parent") == 0) { 109dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 110dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 111dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) 112dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("parent", *argv); 113dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&handle, *argv)) 114dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid parent ID"); 115dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = handle; 116dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "estimator") == 0) { 117dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (parse_estimator(&argc, &argv, &est)) 118dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 119dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "stab") == 0) { 120dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (parse_size_table(&argc, &argv, &stab.szopts) < 0) 121dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 122dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat continue; 123dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "help") == 0) { 124dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 125dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 126dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(k, *argv, sizeof(k)-1); 127dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 128dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_qdisc_kind(k); 129dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 130dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat break; 131dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 132dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 133dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 134dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 135dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (k[0]) 136dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_KIND, k, strlen(k)+1); 137dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (est.ewma_log) 138dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est)); 139dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 140dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q) { 141dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!q->parse_qopt) { 142dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "qdisc '%s' does not support option parsing\n", k); 143dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 144dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 145dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q->parse_qopt(q, argc, argv, &req.n)) 146dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 147dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 148dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc) { 149dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) 150dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 151dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 152dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Garbage instead of arguments \"%s ...\". Try \"tc qdisc help\".\n", *argv); 153dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 154dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 155dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 156dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 157dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (check_size_table_opts(&stab.szopts)) { 158dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr *tail; 159dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 160dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tc_calc_size_table(&stab.szopts, &stab.data) < 0) { 161dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "failed to calculate size table.\n"); 162dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 163dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 164dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 165dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat tail = NLMSG_TAIL(&req.n); 166dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_STAB, NULL, 0); 167dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_STAB_BASE, &stab.szopts, 168dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat sizeof(stab.szopts)); 169dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (stab.data) 170dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_STAB_DATA, stab.data, 171dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat stab.szopts.tsize * sizeof(__u16)); 172dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat tail->rta_len = (void *)NLMSG_TAIL(&req.n) - (void *)tail; 173dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (stab.data) 174dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat free(stab.data); 175dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 176dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 177dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) { 178dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int idx; 179dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 180dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 181dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 182dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((idx = ll_name_to_index(d)) == 0) { 183dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 184dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 185dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 186dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_ifindex = idx; 187dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 188dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 189dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) 190dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 2; 191dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 192dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 193dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 194dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 195dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic int filter_ifindex; 196dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 197dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint print_qdisc(const struct sockaddr_nl *who, 198dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr *n, 199dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat void *arg) 200dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 201dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat FILE *fp = (FILE*)arg; 202dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg *t = NLMSG_DATA(n); 203dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int len = n->nlmsg_len; 204dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr * tb[TCA_MAX+1]; 205dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct qdisc_util *q; 206dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char abuf[256]; 207dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 208dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type != RTM_NEWQDISC && n->nlmsg_type != RTM_DELQDISC) { 209dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Not a qdisc\n"); 210dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 211dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 212dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat len -= NLMSG_LENGTH(sizeof(*t)); 213dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (len < 0) { 214dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Wrong len %d\n", len); 215dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 216dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 217dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 218dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_ifindex && filter_ifindex != t->tcm_ifindex) 219dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 220dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 221dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(tb, 0, sizeof(tb)); 222dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat parse_rtattr(tb, TCA_MAX, TCA_RTA(t), len); 223dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 224dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_KIND] == NULL) { 225dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "print_qdisc: NULL kind\n"); 226dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 227dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 228dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 229dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type == RTM_DELQDISC) 230dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "deleted "); 231dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 232dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "qdisc %s %x: ", (char*)RTA_DATA(tb[TCA_KIND]), t->tcm_handle>>16); 233dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_ifindex == 0) 234dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "dev %s ", ll_index_to_name(t->tcm_ifindex)); 235dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_parent == TC_H_ROOT) 236dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "root "); 237dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else if (t->tcm_parent) { 238dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tc_classid(abuf, sizeof(abuf), t->tcm_parent); 239dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "parent %s ", abuf); 240dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 241dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_info != 1) { 242dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "refcnt %d ", t->tcm_info); 243dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 244dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat /* pfifo_fast is generic enough to warrant the hardcoding --JHS */ 245dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 246dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (0 == strcmp("pfifo_fast", RTA_DATA(tb[TCA_KIND]))) 247dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_qdisc_kind("prio"); 248dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 249dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_qdisc_kind(RTA_DATA(tb[TCA_KIND])); 250dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 251dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_OPTIONS]) { 252dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q) 253dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q->print_qopt(q, fp, tb[TCA_OPTIONS]); 254dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 255dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "[cannot parse qdisc parameters]"); 256dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 257dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 258dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_details && tb[TCA_STAB]) { 259dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_size_table(fp, " ", tb[TCA_STAB]); 260dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 261dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 262dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_stats) { 263dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr *xstats = NULL; 264dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 265dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_STATS] || tb[TCA_STATS2] || tb[TCA_XSTATS]) { 266dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tcstats_attr(fp, tb, " ", &xstats); 267dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 268dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 269dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 270dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q && xstats && q->print_xstats) { 271dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q->print_xstats(q, fp, xstats); 272dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 273dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 274dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 275dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fflush(fp); 276dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 277dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 278dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 279dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 280dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint tc_qdisc_list(int argc, char **argv) 281dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 282dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg t; 283dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char d[16]; 284dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 285dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&t, 0, sizeof(t)); 286dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_family = AF_UNSPEC; 287dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&d, 0, sizeof(d)); 288dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 289dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 290dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 291dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 292dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(d, *argv, sizeof(d)-1); 293dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#ifdef TC_H_INGRESS 294dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "ingress") == 0) { 295dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t.tcm_parent) { 296dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Duplicate parent ID\n"); 297dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 298dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 299dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_parent = TC_H_INGRESS; 300dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#endif 301dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "help") == 0) { 302dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 303dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 304dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "What is \"%s\"? Try \"tc qdisc help\".\n", *argv); 305dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 306dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 307dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 308dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 309dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 310dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 311dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 312dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 313dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) { 314dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((t.tcm_ifindex = ll_name_to_index(d)) == 0) { 315dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 316dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 317dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 318dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_ifindex = t.tcm_ifindex; 319dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 320dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 321dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_request(&rth, RTM_GETQDISC, &t, sizeof(t)) < 0) { 322dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat perror("Cannot send dump request"); 323dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 324dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 325dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 326dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_filter(&rth, print_qdisc, stdout, NULL, NULL) < 0) { 327dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Dump terminated\n"); 328dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 329dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 330dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 331dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 332dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 333dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 334dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint do_qdisc(int argc, char **argv) 335dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 336dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc < 1) 337dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_list(0, NULL); 338dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "add") == 0) 339dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_modify(RTM_NEWQDISC, NLM_F_EXCL|NLM_F_CREATE, argc-1, argv+1); 340dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "change") == 0) 341dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_modify(RTM_NEWQDISC, 0, argc-1, argv+1); 342dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "replace") == 0) 343dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_modify(RTM_NEWQDISC, NLM_F_CREATE|NLM_F_REPLACE, argc-1, argv+1); 344dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "link") == 0) 345dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_modify(RTM_NEWQDISC, NLM_F_REPLACE, argc-1, argv+1); 346dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "delete") == 0) 347dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_modify(RTM_DELQDISC, 0, argc-1, argv+1); 348dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#if 0 349dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "get") == 0) 350dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_get(RTM_GETQDISC, 0, argc-1, argv+1); 351dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#endif 352dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 353dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat || matches(*argv, "lst") == 0) 354dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_qdisc_list(argc-1, argv+1); 355dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) { 356dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 357dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 358dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 359dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Command \"%s\" is unknown, try \"tc qdisc help\".\n", *argv); 360dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 361dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 362