1 files changed, 71 insertions, 0 deletions
diff --git a/patgen.c b/patgen.c
new file mode 100755
index 0000000..bc600bf
--- /dev/null
+++ b/patgen.c
@@ -0,0 +1,71 @@
+#include <stdio.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+#include <linux/zaptel.h>
+#include <stdio.h>
+#include <linux/types.h>
+#include <linux/ppp_defs.h> 
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <stdlib.h>
+
+/* #define BLOCK_SIZE 2048 */
+#define BLOCK_SIZE 2041
+
+void print_packet(unsigned char *buf, int len)
+{
+	int x;
+	printf("{ ");
+	for (x=0;x<len;x++)
+		printf("%02x ",buf[x]);
+	printf("}\n");
+}
+
+int main(int argc, char *argv[])
+{
+	int fd;
+	int fd2;
+	int ires, res, x;
+	int i;
+	ZT_PARAMS tp;
+	int bs = BLOCK_SIZE;
+	unsigned char c=0;
+	unsigned char inbuf[BLOCK_SIZE];
+	unsigned char outbuf[BLOCK_SIZE];
+	unsigned int fcs;
+	static int packets=0;
+	if (argc < 2) {
+		fprintf(stderr, "Usage: markhdlctest <tor device>\n");
+		exit(1);
+	}
+	fd = open(argv[1], O_RDWR, 0600);
+	if (fd < 0) {
+		fprintf(stderr, "Unable to open %s: %s\n", argv[1], strerror(errno));
+		exit(1);
+	}
+	if (ioctl(fd, ZT_SET_BLOCKSIZE, &bs)) {
+		fprintf(stderr, "Unable to set block size to %d: %s\n", bs, strerror(errno));
+		exit(1);
+	}
+	if (ioctl(fd, ZT_GET_PARAMS, &tp)) {
+		fprintf(stderr, "Unable to get channel parameters\n");
+		exit(1);
+	}
+	ioctl(fd, ZT_GETEVENT);
+#if 0
+	print_packet(outbuf, res);
+	printf("FCS is %x, PPP_GOODFCS is %x\n",
+	fcs,PPP_GOODFCS);
+#endif
+	for(;;) {
+		res = bs;
+		for (x=0;x<bs;x++) 
+			outbuf[x] = c++;
+		res = write(fd, outbuf, res);
+#if 0
+		printf("(%d) Wrote %d bytes\n", packets++, res);
+#endif
+	}
+	
+}