/* Set the top bit to indicate random Nicira address. */
ea[3] |= 0x80;
}
-/* Returns true if 'ea' is a reserved multicast address, that a bridge must
- * never forward, false otherwise. */
-static inline bool eth_addr_is_reserved(const uint8_t ea[ETH_ADDR_LEN])
-{
- return (ea[0] == 0x01
- && ea[1] == 0x80
- && ea[2] == 0xc2
- && ea[3] == 0x00
- && ea[4] == 0x00
- && (ea[5] & 0xf0) == 0x00);
-}
+bool eth_addr_is_reserved(const uint8_t ea[ETH_ADDR_LEN]);
bool eth_addr_from_string(const char *, uint8_t ea[ETH_ADDR_LEN]);
-void compose_benign_packet(struct ofpbuf *, const char *tag,
- uint16_t snap_type,
- const uint8_t eth_src[ETH_ADDR_LEN]);
+void compose_rarp(struct ofpbuf *, const uint8_t eth_src[ETH_ADDR_LEN]);
void eth_push_vlan(struct ofpbuf *, ovs_be16 tci);
void eth_pop_vlan(struct ofpbuf *);
#define ETH_TYPE_VLAN 0x8100
#define ETH_TYPE_IPV6 0x86dd
#define ETH_TYPE_LACP 0x8809
+#define ETH_TYPE_RARP 0x8035
+#define ETH_TYPE_MPLS 0x8847
+#define ETH_TYPE_MPLS_MCAST 0x8848
/* Minimum value for an Ethernet type. Values below this are IEEE 802.2 frame
* lengths. */
} __attribute__((packed));
BUILD_ASSERT_DECL(LLC_SNAP_HEADER_LEN == sizeof(struct llc_snap_header));
+#define ARP_HTYPE_ETH 0x0001
+#define RARP_REQUEST_REVERSE 0x0003
+
+#define RARP_HEADER_LEN 28
+/* RARP header only for Ethernet-IP. */
+struct rarp_header {
+ ovs_be16 hw_addr_space; /* ARP_HTYPE_ETH. */
+ ovs_be16 proto_addr_space; /* ETH_TYPE_IP. */
+ uint8_t hw_addr_length; /* ETH_ADDR_LEN. */
+ uint8_t proto_addr_length; /* IPV4_ADDR_LEN. */
+ ovs_be16 opcode; /* RARP_REQUEST_REVERSE. */
+ uint8_t src_hw_addr[ETH_ADDR_LEN];
+ ovs_be32 src_proto_addr;
+ uint8_t target_hw_addr[ETH_ADDR_LEN];
+ ovs_be32 target_proto_addr;
+} __attribute__((packed));
+BUILD_ASSERT_DECL(RARP_HEADER_LEN == sizeof(struct rarp_header));
+
+
#define VLAN_VID_MASK 0x0fff
#define VLAN_VID_SHIFT 0
#define IP_IHL(ip_ihl_ver) ((ip_ihl_ver) & 15)
#define IP_IHL_VER(ihl, ver) (((ver) << 4) | (ihl))
+#ifndef IPPROTO_SCTP
+#define IPPROTO_SCTP 132
+#endif
+
/* TOS fields. */
#define IP_ECN_MASK 0x03
#define IP_DSCP_MASK 0xfc