1dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat/* 2dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * tc_class.c "tc class". 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 * 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 24dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "utils.h" 25dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "tc_util.h" 26dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "tc_common.h" 27dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 28dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic void usage(void); 29dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 30dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic void usage(void) 31dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 32dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Usage: tc class [ add | del | change | replace | show ] dev STRING\n"); 33dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ classid CLASSID ] [ root | parent CLASSID ]\n"); 34dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ [ QDISC_KIND ] [ help | OPTIONS ] ]\n"); 35dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "\n"); 36dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " tc class show [ dev STRING ] [ root | parent CLASSID ]\n"); 37dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Where:\n"); 38dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "QDISC_KIND := { prio | cbq | etc. }\n"); 39dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "OPTIONS := ... try tc class add <desired QDISC_KIND> help\n"); 40dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return; 41dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 42dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 43dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint tc_class_modify(int cmd, unsigned flags, int argc, char **argv) 44dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 45dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct { 46dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr n; 47dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg t; 48dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char buf[4096]; 49dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } req; 50dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct qdisc_util *q = NULL; 51dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tc_estimator est; 52dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char d[16]; 53dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char k[16]; 54dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 55dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&req, 0, sizeof(req)); 56dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&est, 0, sizeof(est)); 57dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(d, 0, sizeof(d)); 58dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(k, 0, sizeof(k)); 59dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 60dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)); 61dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_flags = NLM_F_REQUEST|flags; 62dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_type = cmd; 63dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_family = AF_UNSPEC; 64dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 65dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 66dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 67dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 68dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) 69dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("dev", *argv); 70dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(d, *argv, sizeof(d)-1); 71dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "classid") == 0) { 72dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 73dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 74dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_handle) 75dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("classid", *argv); 76dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&handle, *argv)) 77dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid class ID"); 78dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_handle = handle; 79dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "handle") == 0) { 80dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: try \"classid\" instead of \"handle\"\n"); 81dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 82dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "root") == 0) { 83dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) { 84dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: \"root\" is duplicate parent ID.\n"); 85dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 86dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 87dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = TC_H_ROOT; 88dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "parent") == 0) { 89dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 90dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 91dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) 92dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("parent", *argv); 93dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&handle, *argv)) 94dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid parent ID"); 95dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = handle; 96dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "estimator") == 0) { 97dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (parse_estimator(&argc, &argv, &est)) 98dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 99dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "help") == 0) { 100dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 101dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 102dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(k, *argv, sizeof(k)-1); 103dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 104dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_qdisc_kind(k); 105dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 106dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat break; 107dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 108dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 109dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 110dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 111dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (k[0]) 112dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_KIND, k, strlen(k)+1); 113dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (est.ewma_log) 114dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est)); 115dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 116dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q) { 117dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q->parse_copt == NULL) { 118dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: Qdisc \"%s\" is classless.\n", k); 119dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 120dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 121dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q->parse_copt(q, argc, argv, &req.n)) 122dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 123dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 124dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc) { 125dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) 126dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 127dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Garbage instead of arguments \"%s ...\". Try \"tc class help\".", *argv); 128dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 129dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 130dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 131dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 132dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) { 133dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 134dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 135dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((req.t.tcm_ifindex = ll_name_to_index(d)) == 0) { 136dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 137dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 138dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 139dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 140dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 141dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) 142dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 2; 143dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 144dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 145dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 146dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 147dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint filter_ifindex; 148dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat__u32 filter_qdisc; 149dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat__u32 filter_classid; 150dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 151dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint print_class(const struct sockaddr_nl *who, 152dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr *n, void *arg) 153dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 154dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat FILE *fp = (FILE*)arg; 155dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg *t = NLMSG_DATA(n); 156dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int len = n->nlmsg_len; 157dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr * tb[TCA_MAX+1]; 158dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct qdisc_util *q; 159dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char abuf[256]; 160dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 161dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type != RTM_NEWTCLASS && n->nlmsg_type != RTM_DELTCLASS) { 162dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Not a class\n"); 163dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 164dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 165dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat len -= NLMSG_LENGTH(sizeof(*t)); 166dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (len < 0) { 167dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Wrong len %d\n", len); 168dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 169dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 170dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_qdisc && TC_H_MAJ(t->tcm_handle^filter_qdisc)) 171dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 172dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 173dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_classid && t->tcm_handle != filter_classid) 174dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 175dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 176dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(tb, 0, sizeof(tb)); 177dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat parse_rtattr(tb, TCA_MAX, TCA_RTA(t), len); 178dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 179dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_KIND] == NULL) { 180dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "print_class: NULL kind\n"); 181dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 182dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 183dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 184dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type == RTM_DELTCLASS) 185dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "deleted "); 186dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 187dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat abuf[0] = 0; 188dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_handle) { 189dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_qdisc) 190dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tc_classid(abuf, sizeof(abuf), TC_H_MIN(t->tcm_handle)); 191dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 192dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tc_classid(abuf, sizeof(abuf), t->tcm_handle); 193dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 194dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "class %s %s ", (char*)RTA_DATA(tb[TCA_KIND]), abuf); 195dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 196dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_ifindex == 0) 197dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "dev %s ", ll_index_to_name(t->tcm_ifindex)); 198dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 199dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_parent == TC_H_ROOT) 200dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "root "); 201dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else { 202dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_qdisc) 203dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tc_classid(abuf, sizeof(abuf), TC_H_MIN(t->tcm_parent)); 204dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 205dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tc_classid(abuf, sizeof(abuf), t->tcm_parent); 206dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "parent %s ", abuf); 207dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 208dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_info) 209dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "leaf %x: ", t->tcm_info>>16); 210dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_qdisc_kind(RTA_DATA(tb[TCA_KIND])); 211dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_OPTIONS]) { 212dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q && q->print_copt) 213dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q->print_copt(q, fp, tb[TCA_OPTIONS]); 214dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 215dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "[cannot parse class parameters]"); 216dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 217dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 218dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_stats) { 219dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr *xstats = NULL; 220dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 221dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_STATS] || tb[TCA_STATS2]) { 222dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tcstats_attr(fp, tb, " ", &xstats); 223dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 224dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 225dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q && (xstats || tb[TCA_XSTATS]) && q->print_xstats) { 226dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q->print_xstats(q, fp, xstats ? : tb[TCA_XSTATS]); 227dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 228dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 229dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 230dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fflush(fp); 231dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 232dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 233dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 234dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 235dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint tc_class_list(int argc, char **argv) 236dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 237dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg t; 238dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char d[16]; 239dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 240dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&t, 0, sizeof(t)); 241dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_family = AF_UNSPEC; 242dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(d, 0, sizeof(d)); 243dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 244dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 245dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 246dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 247dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) 248dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("dev", *argv); 249dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(d, *argv, sizeof(d)-1); 250dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "qdisc") == 0) { 251dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 252dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_qdisc) 253dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("qdisc", *argv); 254dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_qdisc_handle(&filter_qdisc, *argv)) 255dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid qdisc ID"); 256dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "classid") == 0) { 257dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 258dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (filter_classid) 259dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("classid", *argv); 260dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&filter_classid, *argv)) 261dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid class ID"); 262dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "root") == 0) { 263dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t.tcm_parent) { 264dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: \"root\" is duplicate parent ID\n"); 265dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 266dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 267dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_parent = TC_H_ROOT; 268dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "parent") == 0) { 269dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 270dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t.tcm_parent) 271dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("parent", *argv); 272dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 273dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&handle, *argv)) 274dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid parent ID"); 275dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_parent = handle; 276dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "help") == 0) { 277dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 278dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 279dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "What is \"%s\"? Try \"tc class help\".\n", *argv); 280dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 281dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 282dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 283dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 284dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 285dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 286dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 287dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 288dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) { 289dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((t.tcm_ifindex = ll_name_to_index(d)) == 0) { 290dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 291dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 292dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 293dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_ifindex = t.tcm_ifindex; 294dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 295dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 296dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_request(&rth, RTM_GETTCLASS, &t, sizeof(t)) < 0) { 297dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat perror("Cannot send dump request"); 298dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 299dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 300dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 301dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_filter(&rth, print_class, stdout, NULL, NULL) < 0) { 302dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Dump terminated\n"); 303dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 304dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 305dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 306dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 307dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 308dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 309dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint do_class(int argc, char **argv) 310dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 311dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc < 1) 312dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_list(0, NULL); 313dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "add") == 0) 314dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_modify(RTM_NEWTCLASS, NLM_F_EXCL|NLM_F_CREATE, argc-1, argv+1); 315dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "change") == 0) 316dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_modify(RTM_NEWTCLASS, 0, argc-1, argv+1); 317dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "replace") == 0) 318dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_modify(RTM_NEWTCLASS, NLM_F_CREATE, argc-1, argv+1); 319dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "delete") == 0) 320dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_modify(RTM_DELTCLASS, 0, argc-1, argv+1); 321dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#if 0 322dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "get") == 0) 323dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_get(RTM_GETTCLASS, 0, argc-1, argv+1); 324dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#endif 325dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 326dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat || matches(*argv, "lst") == 0) 327dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_class_list(argc-1, argv+1); 328dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) { 329dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 330dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 331dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 332dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Command \"%s\" is unknown, try \"tc class help\".\n", *argv); 333dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 334dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 335