/*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
static const uint8_t eth_addr_stp[ETH_ADDR_LEN] OVS_UNUSED
= { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x01 };
+static const uint8_t eth_addr_lacp[ETH_ADDR_LEN] OVS_UNUSED
+ = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x02 };
+
static inline bool eth_addr_is_broadcast(const uint8_t ea[6])
{
return (ea[0] & ea[1] & ea[2] & ea[3] & ea[4] & ea[5]) == 0xff;
{
return !(ea[0] | ea[1] | ea[2] | ea[3] | ea[4] | ea[5]);
}
+static inline int eth_addr_compare_3way(const uint8_t a[ETH_ADDR_LEN],
+ const uint8_t b[ETH_ADDR_LEN])
+{
+ return memcmp(a, b, ETH_ADDR_LEN);
+}
static inline bool eth_addr_equals(const uint8_t a[ETH_ADDR_LEN],
const uint8_t b[ETH_ADDR_LEN])
{
- return !memcmp(a, b, ETH_ADDR_LEN);
+ return !eth_addr_compare_3way(a, b);
}
static inline uint64_t eth_addr_to_uint64(const uint8_t ea[ETH_ADDR_LEN])
{
uint16_t snap_type,
const uint8_t eth_src[ETH_ADDR_LEN]);
+void eth_set_vlan_tci(struct ofpbuf *, ovs_be16 tci);
+
/* Example:
*
* uint8_t mac[ETH_ADDR_LEN];
#define ETH_TYPE_ARP 0x0806
#define ETH_TYPE_VLAN 0x8100
#define ETH_TYPE_IPV6 0x86dd
-#define ETH_TYPE_CFM 0x8902
+#define ETH_TYPE_LACP 0x8809
/* Minimum value for an Ethernet type. Values below this are IEEE 802.2 frame
* lengths. */
} __attribute__((packed));
BUILD_ASSERT_DECL(VLAN_ETH_HEADER_LEN == sizeof(struct vlan_eth_header));
-/* A 'ccm' represents a Continuity Check Message from the 802.1ag specification.
- * Continuity Check Messages are broadcast periodically so that hosts can
- * determine who they have connectivity to. */
-#define CCM_LEN 74
-#define CCM_MAID_LEN 48
-struct ccm {
- uint8_t mdlevel_version; /* MD Level and Version */
- uint8_t opcode;
- uint8_t flags;
- uint8_t tlv_offset;
- ovs_be32 seq;
- ovs_be16 mpid;
- uint8_t maid[CCM_MAID_LEN];
- uint8_t zero[16]; /* Defined by ITU-T Y.1731 should be zero */
-} __attribute__((packed));
-BUILD_ASSERT_DECL(CCM_LEN == sizeof(struct ccm));
-
/* The "(void) (ip)[0]" below has no effect on the value, since it's the first
* argument of a comma expression, but it makes sure that 'ip' is a pointer.
* This is useful since a common mistake is to pass an integer instead of a
int ipv6_count_cidr_bits(const struct in6_addr *netmask);
bool ipv6_is_cidr(const struct in6_addr *netmask);
+void *eth_compose(struct ofpbuf *, const uint8_t eth_dst[ETH_ADDR_LEN],
+ const uint8_t eth_src[ETH_ADDR_LEN], uint16_t eth_type,
+ size_t size);
+void *snap_compose(struct ofpbuf *, const uint8_t eth_dst[ETH_ADDR_LEN],
+ const uint8_t eth_src[ETH_ADDR_LEN],
+ unsigned int oui, uint16_t snap_type, size_t size);
+
#endif /* packets.h */