Add unit test for printing I-DATA chunks.

gtests/net/packetdrill/packet_to_string_test.c

@@ -102,7 +102,7 @@ static void test_sctp_ipv6_packet_to_string(void)
 	/* An IPv6/SCTP packet. */
 	u8 data[] = {
 		/* IPv6 Base Header: */
-		0x60, 0x00, 0x00, 0x00, 0x01, 0xa0, 0x84, 0xff,
+		0x60, 0x00, 0x00, 0x00, 0x01, 0xd0, 0x84, 0xff,
 		0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x22,
 		0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -110,7 +110,7 @@ static void test_sctp_ipv6_packet_to_string(void)
 		/* SCTP Common Header: */
 		0x04, 0xd2, 0x1f, 0x90,
 		0x01, 0x02, 0x03, 0x04,
-		0x6e, 0xfc, 0x47, 0x17,
+		0xd5, 0xf8, 0xdf, 0x24,
 		/* SCTP DATA Chunk */
 		0x00, 0x0f, 0x00, 0x13,
 		0x01, 0x02, 0x03, 0x04,
@@ -224,6 +224,20 @@ static void test_sctp_ipv6_packet_to_string(void)
 		0x01, 0x02, 0x03, 0x04,
 		/* SCTP SHUTDOWN_COMPLETE Chunk */
 		0x0e, 0x01, 0x00, 0x04,
+		/* SCTP I-DATA Chunk */
+		0x40, 0x0f, 0x00, 0x17,
+		0x00, 0x00, 0x00, 0x04,
+		0x00, 0xff, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x01,
+		0x00, 0x00, 0x00, 0x00,
+		0x00, 0x01, 0x02, 0x00,
+		/* SCTP I-DATA Chunk */
+		0x40, 0x0d, 0x00, 0x17,
+		0x00, 0x00, 0x00, 0x04,
+		0x00, 0xff, 0x00, 0x00,
+		0x00, 0x00, 0x00, 0x02,
+		0x00, 0x00, 0x00, 0x01,
+		0x00, 0x01, 0x02, 0x00,
 		/* SCTP PAD Chunk */
 		0x84, 0x00, 0x00, 0x10,
 		0x50, 0x50, 0x50, 0x50,
@@ -294,6 +308,8 @@ static void test_sctp_ipv6_packet_to_string(void)
 		"ECNE[flgs=0x00, tsn=16909060]; "
 		"CWR[flgs=0x00, tsn=16909060]; "
 		"SHUTDOWN_COMPLETE[flgs=T]; "
+		"I-DATA[flgs=IUBE, len=23, tsn=4, sid=255, mid=1, ppid=0]; "
+		"I-DATA[flgs=IUE, len=23, tsn=4, sid=255, mid=2, fsn=1]; "
 		"PAD[flgs=0x00, len=16, val=...]";
 	assert(strcmp(dump, expected) == 0);
 	free(dump);
@@ -349,6 +365,8 @@ static void test_sctp_ipv6_packet_to_string(void)
 		"ECNE[flgs=0x00, tsn=16909060]; "
 		"CWR[flgs=0x00, tsn=16909060]; "
 		"SHUTDOWN_COMPLETE[flgs=T]; "
+		"I-DATA[flgs=IUBE, len=23, tsn=4, sid=255, mid=1, ppid=0]; "
+		"I-DATA[flgs=IUE, len=23, tsn=4, sid=255, mid=2, fsn=1]; "
 		"PAD[flgs=0x00, len=16, val=...]";
 	assert(strcmp(dump, expected) == 0);
 	free(dump);
@@ -404,12 +422,14 @@ static void test_sctp_ipv6_packet_to_string(void)
 		"ECNE[flgs=0x00, tsn=16909060]; "
 		"CWR[flgs=0x00, tsn=16909060]; "
 		"SHUTDOWN_COMPLETE[flgs=T]; "
+		"I-DATA[flgs=IUBE, len=23, tsn=4, sid=255, mid=1, ppid=0]; "
+		"I-DATA[flgs=IUE, len=23, tsn=4, sid=255, mid=2, fsn=1]; "
 		"PAD[flgs=0x00, len=16, val=...]"
 		"\n"
-		"0x0000: 60 00 00 00 01 a0 84 ff 00 02 00 00 00 00 00 00 " "\n"
+		"0x0000: 60 00 00 00 01 d0 84 ff 00 02 00 00 00 00 00 00 " "\n"
 		"0x0010: 00 00 00 00 00 00 22 22 00 01 00 00 00 00 00 00 " "\n"
 		"0x0020: 00 00 00 00 00 00 11 11 04 d2 1f 90 01 02 03 04 " "\n"
-		"0x0030: 6e fc 47 17 00 0f 00 13 01 02 03 04 00 ff 01 00 " "\n"
+		"0x0030: d5 f8 df 24 00 0f 00 13 01 02 03 04 00 ff 01 00 " "\n"
 		"0x0040: 00 00 00 00 00 01 02 00 01 00 00 60 00 00 00 01 " "\n"
 		"0x0050: 00 01 00 00 00 0f 00 0f 01 02 03 04 00 05 00 08 " "\n"
 		"0x0060: 01 02 03 04 00 06 00 14 00 00 00 00 00 00 00 00 " "\n"
@@ -433,8 +453,11 @@ static void test_sctp_ipv6_packet_to_string(void)
 		"0x0180: 00 0d 00 06 40 40 00 00 07 00 00 08 01 02 03 04 " "\n"
 		"0x0190: 08 00 00 04 09 00 00 04 0a 00 00 05 45 00 00 00 " "\n"
 		"0x01a0: 0b 00 00 04 0c 00 00 08 01 02 03 04 0d 00 00 08 " "\n"
-		"0x01b0: 01 02 03 04 0e 01 00 04 84 00 00 10 50 50 50 50 " "\n"
-		"0x01c0: 50 50 50 50 50 50 50 50 " "\n";
+		"0x01b0: 01 02 03 04 0e 01 00 04 40 0f 00 17 00 00 00 04 " "\n"
+		"0x01c0: 00 ff 00 00 00 00 00 01 00 00 00 00 00 01 02 00 " "\n"
+		"0x01d0: 40 0d 00 17 00 00 00 04 00 ff 00 00 00 00 00 02 " "\n"
+		"0x01e0: 00 00 00 01 00 01 02 00 84 00 00 10 50 50 50 50 " "\n"
+		"0x01f0: 50 50 50 50 50 50 50 50 " "\n";
 	printf("expected = '%s'\n", expected);
 	assert(strcmp(dump, expected) == 0);
 	free(dump);