From: Daniel Borkmann <dbork...@redhat.com>
Add basic header structure and definitions into packet.h.
Acked-by: Thomas Graf <tg...@redhat.com>
Signed-off-by: Daniel Borkmann <dbork...@redhat.com>
Signed-off-by: Flavio Leitner <f...@redhat.com>
---
lib/packets.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/lib/packets.h b/lib/packets.h
index eca24d5..675dcc4 100644
--- a/lib/packets.h
+++ b/lib/packets.h
@@ -506,6 +506,21 @@ struct icmp_header {
};
BUILD_ASSERT_DECL(ICMP_HEADER_LEN == sizeof(struct icmp_header));
+#define IGMP_HEADER_LEN 8
+struct igmp_header {
+ uint8_t igmp_type;
+ uint8_t igmp_code;
+ ovs_be16 igmp_csum;
+ ovs_16aligned_be32 group;
+};
+BUILD_ASSERT_DECL(IGMP_HEADER_LEN == sizeof(struct igmp_header));
+
+#define IGMP_HOST_MEMBERSHIP_QUERY 0x11 /* From RFC1112 */
+#define IGMP_HOST_MEMBERSHIP_REPORT 0x12 /* Ditto */
+#define IGMPV2_HOST_MEMBERSHIP_REPORT 0x16 /* V2 version of 0x12 */
+#define IGMP_HOST_LEAVE_MESSAGE 0x17
+#define IGMPV3_HOST_MEMBERSHIP_REPORT 0x22 /* V3 version of 0x12 */
+
#define SCTP_HEADER_LEN 12
struct sctp_header {
ovs_be16 sctp_src;
--
1.9.0
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