1dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat/* 2dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat * tc_filter.c "tc filter". 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 <linux/if_ether.h> 23dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 24dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "rt_names.h" 25dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "utils.h" 26dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "tc_util.h" 27dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#include "tc_common.h" 28dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 29dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic void usage(void); 30dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 31dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic void usage(void) 32dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 33dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Usage: tc filter [ add | del | change | replace | show ] dev STRING\n"); 34dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ pref PRIO ] protocol PROTO\n"); 35dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ estimator INTERVAL TIME_CONSTANT ]\n"); 36dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ root | classid CLASSID ] [ handle FILTERID ]\n"); 37dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " [ [ FILTER_TYPE ] [ help | OPTIONS ] ]\n"); 38dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "\n"); 39dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " tc filter show [ dev STRING ] [ root | parent CLASSID ]\n"); 40dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Where:\n"); 41dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "FILTER_TYPE := { rsvp | u32 | fw | route | etc. }\n"); 42dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "FILTERID := ... format depends on classifier, see there\n"); 43dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "OPTIONS := ... try tc filter add <desired FILTER_KIND> help\n"); 44dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return; 45dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 46dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 47dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 48dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint tc_filter_modify(int cmd, unsigned flags, int argc, char **argv) 49dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 50dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct { 51dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr n; 52dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg t; 53dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char buf[MAX_MSG]; 54dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } req; 55dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct filter_util *q = NULL; 56dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 prio = 0; 57dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 protocol = 0; 58dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int protocol_set = 0; 59dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char *fhandle = NULL; 60dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char d[16]; 61dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char k[16]; 62dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tc_estimator est; 63dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 64dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&req, 0, sizeof(req)); 65dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&est, 0, sizeof(est)); 66dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(d, 0, sizeof(d)); 67dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(k, 0, sizeof(k)); 68dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&req, 0, sizeof(req)); 69dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 70dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg)); 71dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_flags = NLM_F_REQUEST|flags; 72dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.n.nlmsg_type = cmd; 73dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_family = AF_UNSPEC; 74dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 75dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (cmd == RTM_NEWTFILTER && flags & NLM_F_CREATE) 76dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat protocol = ETH_P_ALL; 77dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 78dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 79dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 80dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 81dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) 82dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("dev", *argv); 83dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(d, *argv, sizeof(d)-1); 84dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "root") == 0) { 85dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) { 86dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: \"root\" is duplicate parent ID\n"); 87dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 88dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 89dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = TC_H_ROOT; 90dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "parent") == 0) { 91dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 92dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 93dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (req.t.tcm_parent) 94dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("parent", *argv); 95dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&handle, *argv)) 96dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "Invalid parent ID"); 97dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_parent = handle; 98dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "handle") == 0) { 99dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 100dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (fhandle) 101dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("handle", *argv); 102dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fhandle = *argv; 103dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "preference") == 0 || 104dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat matches(*argv, "priority") == 0) { 105dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 106dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (prio) 107dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("priority", *argv); 108dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_u32(&prio, *argv, 0)) 109dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid priority value"); 110dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "protocol") == 0) { 111dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u16 id; 112dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 113dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (protocol_set) 114dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("protocol", *argv); 115dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (ll_proto_a2n(&id, *argv)) 116dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid protocol"); 117dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat protocol = id; 118dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat protocol_set = 1; 119dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "estimator") == 0) { 120dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (parse_estimator(&argc, &argv, &est) < 0) 121dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 122dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "help") == 0) { 123dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 124dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 125dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 126dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(k, *argv, sizeof(k)-1); 127dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 128dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_filter_kind(k); 129dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 130dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat break; 131dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 132dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 133dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 134dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 135dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 136dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat req.t.tcm_info = TC_H_MAKE(prio<<16, protocol); 137dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 138dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (k[0]) 139dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_KIND, k, strlen(k)+1); 140dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 141dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q) { 142dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q->parse_fopt(q, fhandle, argc, argv, &req.n)) 143dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 144dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 145dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (fhandle) { 146dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Must specify filter type when using " 147dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat "\"handle\"\n"); 148dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 149dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 150dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc) { 151dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) 152dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 153dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Garbage instead of arguments \"%s ...\". Try \"tc filter help\".\n", *argv); 154dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 155dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 156dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 157dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (est.ewma_log) 158dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat addattr_l(&req.n, sizeof(req), TCA_RATE, &est, sizeof(est)); 159dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 160dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 161dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) { 162dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 163dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 164dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((req.t.tcm_ifindex = ll_name_to_index(d)) == 0) { 165dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 166dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 167dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 168dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 169dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 170dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_talk(&rth, &req.n, 0, 0, NULL, NULL, NULL) < 0) { 171dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "We have an error talking to the kernel\n"); 172dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 2; 173dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 174dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 175dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 176dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 177dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 178dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic __u32 filter_parent; 179dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic int filter_ifindex; 180dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic __u32 filter_prio; 181dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatstatic __u32 filter_protocol; 182dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat__u16 f_proto = 0; 183dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 184dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint print_filter(const struct sockaddr_nl *who, 185dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct nlmsghdr *n, 186dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat void *arg) 187dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 188dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat FILE *fp = (FILE*)arg; 189dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg *t = NLMSG_DATA(n); 190dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat int len = n->nlmsg_len; 191dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct rtattr * tb[TCA_MAX+1]; 192dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct filter_util *q; 193dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char abuf[256]; 194dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 195dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type != RTM_NEWTFILTER && n->nlmsg_type != RTM_DELTFILTER) { 196dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Not a filter\n"); 197dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 198dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 199dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat len -= NLMSG_LENGTH(sizeof(*t)); 200dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (len < 0) { 201dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Wrong len %d\n", len); 202dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 203dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 204dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 205dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(tb, 0, sizeof(tb)); 206dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat parse_rtattr(tb, TCA_MAX, TCA_RTA(t), len); 207dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 208dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_KIND] == NULL) { 209dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "print_filter: NULL kind\n"); 210dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 211dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 212dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 213dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (n->nlmsg_type == RTM_DELTFILTER) 214dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "deleted "); 215dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 216dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "filter "); 217dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!filter_ifindex || filter_ifindex != t->tcm_ifindex) 218dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "dev %s ", ll_index_to_name(t->tcm_ifindex)); 219dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 220dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!filter_parent || filter_parent != t->tcm_parent) { 221dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_parent == TC_H_ROOT) 222dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "root "); 223dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else { 224dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tc_classid(abuf, sizeof(abuf), t->tcm_parent); 225dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "parent %s ", abuf); 226dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 227dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 228dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t->tcm_info) { 229dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat f_proto = TC_H_MIN(t->tcm_info); 230dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 prio = TC_H_MAJ(t->tcm_info)>>16; 231dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!filter_protocol || filter_protocol != f_proto) { 232dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (f_proto) { 233dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat SPRINT_BUF(b1); 234dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "protocol %s ", 235dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_proto_n2a(f_proto, b1, sizeof(b1))); 236dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 237dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 238dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (!filter_prio || filter_prio != prio) { 239dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (prio) 240dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "pref %u ", prio); 241dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 242dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 243dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "%s ", (char*)RTA_DATA(tb[TCA_KIND])); 244dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q = get_filter_kind(RTA_DATA(tb[TCA_KIND])); 245dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (tb[TCA_OPTIONS]) { 246dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (q) 247dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat q->print_fopt(q, fp, tb[TCA_OPTIONS], t->tcm_handle); 248dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat else 249dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "[cannot parse parameters]"); 250dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 251dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 252dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 253dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (show_stats && (tb[TCA_STATS] || tb[TCA_STATS2])) { 254dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat print_tcstats_attr(fp, tb, " ", NULL); 255dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(fp, "\n"); 256dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 257dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 258dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fflush(fp); 259dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 260dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 261dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 262dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 263dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint tc_filter_list(int argc, char **argv) 264dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 265dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat struct tcmsg t; 266dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char d[16]; 267dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 prio = 0; 268dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 protocol = 0; 269dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat char *fhandle = NULL; 270dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 271dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(&t, 0, sizeof(t)); 272dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_family = AF_UNSPEC; 273dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat memset(d, 0, sizeof(d)); 274dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 275dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat while (argc > 0) { 276dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (strcmp(*argv, "dev") == 0) { 277dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 278dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) 279dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("dev", *argv); 280dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat strncpy(d, *argv, sizeof(d)-1); 281dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "root") == 0) { 282dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t.tcm_parent) { 283dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Error: \"root\" is duplicate parent ID\n"); 284dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 285dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 286dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_parent = t.tcm_parent = TC_H_ROOT; 287dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "parent") == 0) { 288dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u32 handle; 289dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 290dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (t.tcm_parent) 291dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("parent", *argv); 292dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_tc_classid(&handle, *argv)) 293dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid parent ID"); 294dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_parent = t.tcm_parent = handle; 295dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (strcmp(*argv, "handle") == 0) { 296dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 297dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (fhandle) 298dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("handle", *argv); 299dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fhandle = *argv; 300dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "preference") == 0 || 301dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat matches(*argv, "priority") == 0) { 302dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 303dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (prio) 304dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("priority", *argv); 305dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (get_u32(&prio, *argv, 0)) 306dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid preference"); 307dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_prio = prio; 308dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "protocol") == 0) { 309dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat __u16 res; 310dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat NEXT_ARG(); 311dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (protocol) 312dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat duparg("protocol", *argv); 313dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (ll_proto_a2n(&res, *argv)) 314dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat invarg(*argv, "invalid protocol"); 315dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat protocol = res; 316dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_protocol = protocol; 317dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else if (matches(*argv, "help") == 0) { 318dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 319dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } else { 320dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, " What is \"%s\"? Try \"tc filter help\"\n", *argv); 321dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 322dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 323dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 324dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat argc--; argv++; 325dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 326dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 327dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat t.tcm_info = TC_H_MAKE(prio<<16, protocol); 328dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 329dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat ll_init_map(&rth); 330dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 331dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (d[0]) { 332dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if ((t.tcm_ifindex = ll_name_to_index(d)) == 0) { 333dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Cannot find device \"%s\"\n", d); 334dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 335dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 336dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat filter_ifindex = t.tcm_ifindex; 337dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 338dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 339dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_request(&rth, RTM_GETTFILTER, &t, sizeof(t)) < 0) { 340dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat perror("Cannot send dump request"); 341dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 342dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 343dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 344dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (rtnl_dump_filter(&rth, print_filter, stdout, NULL, NULL) < 0) { 345dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Dump terminated\n"); 346dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 1; 347dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 348dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 349dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 350dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 351dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 352dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehatint do_filter(int argc, char **argv) 353dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat{ 354dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (argc < 1) 355dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_list(0, NULL); 356dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "add") == 0) 357dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_modify(RTM_NEWTFILTER, NLM_F_EXCL|NLM_F_CREATE, argc-1, argv+1); 358dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "change") == 0) 359dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_modify(RTM_NEWTFILTER, 0, argc-1, argv+1); 360dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "replace") == 0) 361dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_modify(RTM_NEWTFILTER, NLM_F_CREATE, argc-1, argv+1); 362dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "delete") == 0) 363dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_modify(RTM_DELTFILTER, 0, argc-1, argv+1); 364dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#if 0 365dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "get") == 0) 366dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_get(RTM_GETTFILTER, 0, argc-1, argv+1); 367dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat#endif 368dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 369dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat || matches(*argv, "lst") == 0) 370dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return tc_filter_list(argc-1, argv+1); 371dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat if (matches(*argv, "help") == 0) { 372dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat usage(); 373dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return 0; 374dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat } 375dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat fprintf(stderr, "Command \"%s\" is unknown, try \"tc filter help\".\n", *argv); 376dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat return -1; 377dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat} 378dcfb7a77f8709125e97c313cb8ab6ec4d87468f4San Mehat 379