#include <vlib/vlib.h>
#define foreach_vnet_buffer_field \
- _( 1, L4_CHECKSUM_COMPUTED) \
- _( 2, L4_CHECKSUM_CORRECT) \
- _( 3, VLAN_2_DEEP) \
- _( 4, VLAN_1_DEEP) \
- _( 8, SPAN_CLONE) \
- _( 6, HANDOFF_NEXT_VALID) \
- _( 7, LOCALLY_ORIGINATED) \
- _( 8, IS_IP4) \
- _( 9, IS_IP6) \
- _(10, OFFLOAD_IP_CKSUM) \
- _(11, OFFLOAD_TCP_CKSUM) \
- _(12, OFFLOAD_UDP_CKSUM) \
- _(13, IS_NATED)
+ _( 1, L4_CHECKSUM_COMPUTED, "l4-cksum-computed") \
+ _( 2, L4_CHECKSUM_CORRECT, "l4-cksum-correct") \
+ _( 3, VLAN_2_DEEP, "vlan-2-deep") \
+ _( 4, VLAN_1_DEEP, "vlan-1-deep") \
+ _( 8, SPAN_CLONE, "span-clone") \
+ _( 6, HANDOFF_NEXT_VALID, "handoff-next-valid") \
+ _( 7, LOCALLY_ORIGINATED, "local") \
+ _( 8, IS_IP4, "ip4") \
+ _( 9, IS_IP6, "ip6") \
+ _(10, OFFLOAD_IP_CKSUM, "offload-ip-cksum") \
+ _(11, OFFLOAD_TCP_CKSUM, "offload-tcp-cksum") \
+ _(12, OFFLOAD_UDP_CKSUM, "offload-udp-cksum") \
+ _(13, IS_NATED, "nated") \
+ _(14, L2_HDR_OFFSET_VALID, 0) \
+ _(15, L3_HDR_OFFSET_VALID, 0) \
+ _(16, L4_HDR_OFFSET_VALID, 0)
#define VNET_BUFFER_FLAGS_VLAN_BITS \
(VNET_BUFFER_F_VLAN_1_DEEP | VNET_BUFFER_F_VLAN_2_DEEP)
enum
{
-#define _(bit, name) VNET_BUFFER_F_##name = (1 << LOG2_VLIB_BUFFER_FLAG_USER(bit)),
+#define _(bit, name, v) VNET_BUFFER_F_##name = (1 << LOG2_VLIB_BUFFER_FLAG_USER(bit)),
foreach_vnet_buffer_field
#undef _
};
enum
{
-#define _(bit, name) VNET_BUFFER_F_LOG2_##name = LOG2_VLIB_BUFFER_FLAG_USER(bit),
+#define _(bit, name, v) VNET_BUFFER_F_LOG2_##name = LOG2_VLIB_BUFFER_FLAG_USER(bit),
foreach_vnet_buffer_field
#undef _
};
_(map) \
_(map_t) \
_(ip_frag) \
+_(mpls) \
_(tcp)
/*
protocol and ports. */
u32 flow_hash;
- /* next protocol */
- u32 save_protocol;
+ union
+ {
+ /* next protocol */
+ u32 save_protocol;
+
+ /* Hint for transport protocols */
+ u32 fib_index;
+ };
/* Rewrite length */
u32 save_rewrite_length;
u8 ttl;
u8 exp;
u8 first;
+ /*
+ * BIER - the nubmer of bytes in the header.
+ * the len field inthe header is not authoritative. It's the
+ * value in the table that counts.
+ */
+ struct
+ {
+ u8 n_bytes;
+ } bier;
} mpls;
/* ip4-in-ip6 softwire termination, only valid there */
{
union
{
+#if VLIB_BUFFER_TRACE_TRAJECTORY > 0
+ /* buffer trajectory tracing */
+ struct
+ {
+ u16 *trajectory_trace;
+ };
+#endif
+ u32 unused[12];
};
} vnet_buffer_opaque2_t;
+#define vnet_buffer2(b) ((vnet_buffer_opaque2_t *) (b)->opaque2)
+
+/*
+ * The opaque2 field of the vlib_buffer_t is intepreted as a
+ * vnet_buffer_opaque2_t. Hence it should be big enough to accommodate one.
+ */
+STATIC_ASSERT (sizeof (vnet_buffer_opaque2_t) <=
+ STRUCT_SIZE_OF (vlib_buffer_t, opaque2),
+ "VNET buffer opaque2 meta-data too large for vlib_buffer");
+format_function_t format_vnet_buffer;
#endif /* included_vnet_buffer_h */