+#include "extract.h"
+
+struct aodv_rreq {
+ nd_uint8_t rreq_type; /* AODV message type (1) */
+ nd_uint8_t rreq_flags; /* various flags */
+ nd_uint8_t rreq_zero0; /* reserved, set to zero */
+ nd_uint8_t rreq_hops; /* number of hops from originator */
+ nd_uint32_t rreq_id; /* request ID */
+ nd_ipv4 rreq_da; /* destination IPv4 address */
+ nd_uint32_t rreq_ds; /* destination sequence number */
+ nd_ipv4 rreq_oa; /* originator IPv4 address */
+ nd_uint32_t rreq_os; /* originator sequence number */
+};
+struct aodv_rreq6 {
+ nd_uint8_t rreq_type; /* AODV message type (1) */
+ nd_uint8_t rreq_flags; /* various flags */
+ nd_uint8_t rreq_zero0; /* reserved, set to zero */
+ nd_uint8_t rreq_hops; /* number of hops from originator */
+ nd_uint32_t rreq_id; /* request ID */
+ nd_ipv6 rreq_da; /* destination IPv6 address */
+ nd_uint32_t rreq_ds; /* destination sequence number */
+ nd_ipv6 rreq_oa; /* originator IPv6 address */
+ nd_uint32_t rreq_os; /* originator sequence number */
+};
+
+#define RREQ_JOIN 0x80 /* join (reserved for multicast */
+#define RREQ_REPAIR 0x40 /* repair (reserved for multicast */
+#define RREQ_GRAT 0x20 /* gratuitous RREP */
+#define RREQ_DEST 0x10 /* destination only */
+#define RREQ_UNKNOWN 0x08 /* unknown destination sequence num */
+#define RREQ_FLAGS_MASK 0xF8 /* mask for rreq_flags */
+
+struct aodv_rrep {
+ nd_uint8_t rrep_type; /* AODV message type (2) */
+ nd_uint8_t rrep_flags; /* various flags */
+ nd_uint8_t rrep_ps; /* prefix size */
+ nd_uint8_t rrep_hops; /* number of hops from o to d */
+ nd_ipv4 rrep_da; /* destination IPv4 address */
+ nd_uint32_t rrep_ds; /* destination sequence number */
+ nd_ipv4 rrep_oa; /* originator IPv4 address */
+ nd_uint32_t rrep_life; /* lifetime of this route */
+};
+struct aodv_rrep6 {
+ nd_uint8_t rrep_type; /* AODV message type (2) */
+ nd_uint8_t rrep_flags; /* various flags */
+ nd_uint8_t rrep_ps; /* prefix size */
+ nd_uint8_t rrep_hops; /* number of hops from o to d */
+ nd_ipv6 rrep_da; /* destination IPv6 address */
+ nd_uint32_t rrep_ds; /* destination sequence number */
+ nd_ipv6 rrep_oa; /* originator IPv6 address */
+ nd_uint32_t rrep_life; /* lifetime of this route */
+};
+
+#define RREP_REPAIR 0x80 /* repair (reserved for multicast */
+#define RREP_ACK 0x40 /* acknowledgement required */
+#define RREP_FLAGS_MASK 0xC0 /* mask for rrep_flags */
+#define RREP_PREFIX_MASK 0x1F /* mask for prefix size */
+
+struct rerr_unreach {
+ nd_ipv4 u_da; /* IPv4 address */
+ nd_uint32_t u_ds; /* sequence number */
+};
+struct rerr_unreach6 {
+ nd_ipv6 u_da; /* IPv6 address */
+ nd_uint32_t u_ds; /* sequence number */
+};
+
+struct aodv_rerr {
+ nd_uint8_t rerr_type; /* AODV message type (3 or 18) */
+ nd_uint8_t rerr_flags; /* various flags */
+ nd_uint8_t rerr_zero0; /* reserved, set to zero */
+ nd_uint8_t rerr_dc; /* destination count */
+};
+
+#define RERR_NODELETE 0x80 /* don't delete the link */
+#define RERR_FLAGS_MASK 0x80 /* mask for rerr_flags */
+
+struct aodv_rrep_ack {
+ nd_uint8_t ra_type;
+ nd_uint8_t ra_zero0;
+};
+
+#define AODV_RREQ 1 /* route request */
+#define AODV_RREP 2 /* route response */
+#define AODV_RERR 3 /* error report */
+#define AODV_RREP_ACK 4 /* route response acknowledgement */
+static const struct tok msg_type_str[] = {
+ { AODV_RREQ, "rreq" },
+ { AODV_RREP, "rrep" },
+ { AODV_RERR, "rerr" },
+ { AODV_RREP_ACK, "rrep-ack" },
+ { 0, NULL }
+};
+
+struct aodv_ext {
+ nd_uint8_t type; /* extension type */
+ nd_uint8_t length; /* extension length */
+};
+
+struct aodv_hello {
+ struct aodv_ext eh; /* extension header */
+ nd_uint32_t interval; /* expect my next hello in
+ * (n) ms
+ * NOTE: this is not aligned */
+};
+
+#define AODV_EXT_HELLO 1
projects / tcpdump / blobdiff