2 * Copyright (c) 2008 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Sepherosa Ziehau <sepherosa@gmail.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/tools/tools/netrate/pktgenctl/pktgenctl.c,v 1.3 2008/03/29 11:45:46 sephe Exp $
37 #include <sys/types.h>
38 #include <sys/ioctl.h>
40 #include <sys/socket.h>
42 #include <arpa/inet.h>
43 #include <netinet/in.h>
45 #include <net/if_dl.h>
46 #include <net/ethernet.h>
55 #include "pktgen/pktgen.h"
57 #define PKTGEN_DEVPATH "/dev/pktg0"
59 #define DEFAULT_SPORT 3001
60 #define DEFAULT_DPORT 3000
62 #define INDST_MASK 0x1
63 #define INSRC_MASK 0x2
64 #define EADDR_MASK 0x4
65 #define IFACE_MASK 0x8
66 #define DATALEN_MASK 0x10
67 #define SPORT_MASK 0x20
68 #define DPORT_MASK 0x40
69 #define CPUID_MASK 0x80
70 #define DURATION_MASK 0x100
71 #define YIELD_MASK 0x200
73 #define MASK_NEEDED (INDST_MASK | INSRC_MASK | EADDR_MASK | IFACE_MASK)
78 fprintf(stderr, "pktgenctl -d dst_inaddr[,ndst] -s src_inaddr[,nsrc] "
79 "-e (gw_eaddr|dst_eaddr) -i iface "
80 "[-p src_port[,nsport]] [-P dst_port[,ndport]] "
81 "[-m data_len] [-c cpuid] [-l duration] [-y yield]\n");
90 ptr = strstr(str, ",");
100 main(int argc, char *argv[])
102 struct pktgen_conf conf;
104 struct sockaddr_in *dst_sin, *src_sin;
105 struct sockaddr_dl sdl;
107 uint32_t arg_mask = 0;
110 memset(&conf, 0, sizeof(conf));
113 conf.pc_duration = 10;
114 conf.pc_datalen = 10;
116 sa = &conf.pc_dst_lladdr;
117 sa->sa_family = AF_LINK;
118 sa->sa_len = ETHER_ADDR_LEN;
120 dst_sin = &conf.pc_dst;
121 dst_sin->sin_family = AF_INET;
122 dst_sin->sin_port = htons(DEFAULT_DPORT);
124 src_sin = &conf.pc_src;
125 src_sin->sin_family = AF_INET;
126 src_sin->sin_port = htons(DEFAULT_SPORT);
128 while ((c = getopt(argc, argv, "d:s:e:i:p:P:m:c:l:y:")) != -1) {
131 conf.pc_ndaddr = get_range(optarg);
132 n = inet_pton(AF_INET, optarg,
133 &dst_sin->sin_addr.s_addr);
135 errx(1, "-d: invalid inet address");
138 arg_mask |= INDST_MASK;
142 conf.pc_nsaddr = get_range(optarg);
143 n = inet_pton(AF_INET, optarg,
144 &src_sin->sin_addr.s_addr);
146 errx(1, "-s: invalid inet address");
149 arg_mask |= INSRC_MASK;
153 strcpy(eaddr_str, "if0.");
154 strlcpy(&eaddr_str[strlen("if0.")], optarg,
155 sizeof(eaddr_str) - strlen("if0."));
157 memset(&sdl, 0, sizeof(sdl));
158 sdl.sdl_len = sizeof(sdl);
159 if (ascii2addr(AF_LINK, eaddr_str, &sdl) < 0)
160 errx(1, "-e: invalid ethernet address");
161 bcopy(LLADDR(&sdl), sa->sa_data, ETHER_ADDR_LEN);
162 arg_mask |= EADDR_MASK;
166 strlcpy(conf.pc_ifname, optarg, sizeof(conf.pc_ifname));
167 arg_mask |= IFACE_MASK;
171 conf.pc_nsport = get_range(optarg);
172 src_sin->sin_port = htons(atoi(optarg));
173 arg_mask |= SPORT_MASK;
177 conf.pc_ndport = get_range(optarg);
178 dst_sin->sin_port = htons(atoi(optarg));
179 arg_mask |= DPORT_MASK;
183 conf.pc_datalen = atoi(optarg);
184 arg_mask |= DATALEN_MASK;
188 conf.pc_cpuid = atoi(optarg);
189 arg_mask |= CPUID_MASK;
193 conf.pc_duration = atoi(optarg);
194 arg_mask |= DURATION_MASK;
198 conf.pc_yield = atoi(optarg);
199 arg_mask |= YIELD_MASK;
204 if ((arg_mask & MASK_NEEDED) != MASK_NEEDED)
207 fd = open(PKTGEN_DEVPATH, O_RDONLY);
209 err(1, "open(" PKTGEN_DEVPATH ")");
211 if (ioctl(fd, PKTGENSCONF, &conf) < 0)
212 err(1, "ioctl(PKTGENSCONF)");
214 if (ioctl(fd, PKTGENSTART) < 0)
215 err(1, "ioctl(PKTGENSTART)");