From 5580e0260ad221473f0abb3c8122d88a88c67b1e Mon Sep 17 00:00:00 2001
From: Neal Cardwell <ncardwell@google.com>
Date: Sun, 5 Jan 2014 18:29:25 -0500
Subject: [PATCH] net-test: packetdrill: add a test for ICMPv6 packet parsing
---
gtests/net/packetdrill/packet_parser_test.c | 54 +++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/gtests/net/packetdrill/packet_parser_test.c b/gtests/net/packetdrill/packet_parser_test.c
index 1d98881a..3aae4e3d 100644
--- a/gtests/net/packetdrill/packet_parser_test.c
+++ b/gtests/net/packetdrill/packet_parser_test.c
@@ -424,6 +424,59 @@ static void test_parse_icmpv4_packet(void)
packet_free(packet);
}
+static void test_parse_icmpv6_packet(void)
+{
+ /* An ICMPv6 packet. */
+ u8 data[] = {
+ /* IP6 fd6b:6bbb:34a1::2 > fd6b:6bbb:34a1::1: ICMP6,
+ * echo request, seq 1, length 64
+ */
+ /* IPv6: */
+ 0x60, 0x00, 0x00, 0x00, 0x00, 0x40, 0x3a, 0x40,
+ 0xfd, 0x6b, 0x6b, 0xbb, 0x34, 0xa1, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
+ 0xfd, 0x6b, 0x6b, 0xbb, 0x34, 0xa1, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ /* ICMPv6: Echo Request */
+ 0x80, 0x00, 0xb7, 0x44, 0x74, 0x7f, 0x00, 0x01,
+ 0x08, 0xb7, 0xc9, 0x52, 0x4d, 0x1f, 0x0e, 0x00,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
+ 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
+ 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+ 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
+ 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37
+ };
+
+ struct packet *packet = packet_new(sizeof(data));
+
+ /* Populate and parse a packet */
+ memcpy(packet->buffer, data, sizeof(data));
+ char *error = NULL;
+ enum packet_parse_result_t result =
+ parse_packet(packet, sizeof(data), PACKET_LAYER_3_IP,
+ &error);
+ assert(result == PACKET_OK);
+ assert(error == NULL);
+
+ struct ipv6 *expected_ipv6 = (struct ipv6 *)(packet->buffer);
+ struct icmpv6 *expected_icmpv6 = (struct icmpv6 *)(expected_ipv6 + 1);
+
+ assert(packet->ip_bytes == sizeof(data));
+ assert(packet->ipv4 == NULL);
+ assert(packet->ipv6 == expected_ipv6);
+ assert(packet->tcp == NULL);
+ assert(packet->udp == NULL);
+ assert(packet->icmpv4 == NULL);
+ assert(packet->icmpv6 == expected_icmpv6);
+
+ assert(packet->time_usecs == 0);
+ assert(packet->flags == 0);
+ assert(packet->ecn == 0);
+
+ packet_free(packet);
+}
+
int main(void)
{
test_parse_tcp_ipv4_packet();
@@ -433,5 +486,6 @@ int main(void)
test_parse_ipv4_gre_ipv4_tcp_packet();
test_parse_ipv4_gre_mpls_ipv4_tcp_packet();
test_parse_icmpv4_packet();
+ test_parse_icmpv6_packet();
return 0;
}
--
GitLab