8 * Copyright (c) 2002-2005 Volkswagen Group Electronic Research
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12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, the following disclaimer and
16 * the referenced file 'COPYING'.
17 * 2. Redistributions in binary form must reproduce the above copyright
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19 * documentation and/or other materials provided with the distribution.
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21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * Alternatively, provided that this notice is retained in full, this
25 * software may be distributed under the terms of the GNU General
26 * Public License ("GPL") version 2 as distributed in the 'COPYING'
27 * file from the main directory of the linux kernel source.
29 * The provided data structures and external interfaces from this code
30 * are not restricted to be used by modules with a GPL compatible license.
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45 * Send feedback to <socketcan-users@lists.berlios.de>
54 #include <sys/types.h>
55 #include <sys/socket.h>
56 #include <sys/ioctl.h>
61 int main(int argc, char **argv)
64 struct sockaddr_can addr;
65 struct can_frame frame;
68 char *ifname = "vcan2";
72 while ((opt = getopt(argc, argv, "i:")) != -1) {
78 fprintf(stderr, "Unknown option %c\n", opt);
84 if ((s = socket(PF_CAN, SOCK_RAW, CAN_RAW)) < 0) {
89 strcpy(ifr.ifr_name, ifname);
90 ioctl(s, SIOCGIFINDEX, &ifr);
91 ifindex = ifr.ifr_ifindex;
93 addr.can_family = AF_CAN;
94 addr.can_ifindex = 0; /* bind to all interfaces */
96 if (bind(s, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
103 frame.can_id = 0x123;
105 frame.data[0] = 0x11;
106 frame.data[1] = 0x22;
107 frame.data[2] = 0x33;
109 addr.can_family = AF_CAN;
110 addr.can_ifindex = ifindex; /* send via this interface */
112 nbytes = sendto(s, &frame, sizeof(struct can_frame), 0, (struct sockaddr*)&addr, sizeof(addr));