_( 2, L4_CHECKSUM_CORRECT) \
_( 3, VLAN_2_DEEP) \
_( 4, VLAN_1_DEEP) \
+ _( 8, SPAN_CLONE) \
_( 6, HANDOFF_NEXT_VALID) \
_( 7, LOCALLY_ORIGINATED) \
- _( 8, SPAN_CLONE)
+ _( 8, IS_IP4) \
+ _( 9, IS_IP6) \
+ _(10, OFFLOAD_IP_CKSUM) \
+ _(11, OFFLOAD_TCP_CKSUM) \
+ _(12, OFFLOAD_UDP_CKSUM) \
+ _(13, IS_NATED)
#define VNET_BUFFER_FLAGS_VLAN_BITS \
(VNET_BUFFER_F_VLAN_1_DEEP | VNET_BUFFER_F_VLAN_2_DEEP)
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 l2_len; /* ethernet header length */
u8 shg; /* split-horizon group */
u16 l2fib_sn; /* l2fib bd/int seq_num */
+ u8 bd_age; /* aging enabled */
} l2;
/* l2tpv3 softwire encap, only valid there */
u8 flags;
} tcp;
+ /* SNAT */
+ struct
+ {
+ u32 flags;
+ } snat;
+
u32 unused[6];
};
} vnet_buffer_opaque_t;
{
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");
#endif /* included_vnet_buffer_h */