#include <vlib/vlib.h>
+/**
+ * Flags that are set in the high order bits of ((vlib_buffer*)b)->flags
+ */
#define foreach_vnet_buffer_field \
_( 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") \
+ _( 5, SPAN_CLONE, "span-clone") \
_( 6, HANDOFF_NEXT_VALID, "handoff-next-valid") \
_( 7, LOCALLY_ORIGINATED, "local") \
_( 8, IS_IP4, "ip4") \
#undef _
};
+/**
+ * @brief Flags set in ((vnet_buffer(b)->flags
+ */
+#define foreach_vnet_opaque_flag \
+ _( 1, IS_DVR, "DVR-processed")
+
+enum
+{
+#define _(bit, name, v) VNET_OPAQUE_F_##name = (1 << bit),
+ foreach_vnet_opaque_flag
+#undef _
+};
+
+enum
+{
+#define _(bit, name, v) VNET_OPAQUE_F_LOG2_##name = bit,
+ foreach_vnet_opaque_flag
+#undef _
+};
+
#define foreach_buffer_opaque_union_subtype \
_(ip) \
_(map_t) \
_(ip_frag) \
_(mpls) \
-_(bier) \
_(tcp)
/*
i16 l2_hdr_offset;
i16 l3_hdr_offset;
i16 l4_hdr_offset;
+ u16 flags;
union
{
u8 code;
u32 data;
} icmp;
+
+ /* reassembly */
+ struct
+ {
+ u16 fragment_first;
+ u16 fragment_last;
+ u16 range_first;
+ u16 range_last;
+ u32 next_range_bi;
+ u16 ip6_frag_hdr_offset;
+ u16 estimated_mtu;
+ } reass;
};
} ip;
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;
- /*
- * 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;
-
/* ip4-in-ip6 softwire termination, only valid there */
struct
{
/* IP Fragmentation */
struct
{
+ u32 pad[2]; /* do not overlay w/ ip.adj_index[0,1] */
u16 header_offset;
u16 mtu;
u8 next_index;
u8 flags;
} tcp;
+ /* SCTP */
+ struct
+ {
+ u32 connection_index;
+ u16 sid; /**< Stream ID */
+ u16 ssn; /**< Stream Sequence Number */
+ u32 tsn; /**< Transmission Sequence Number */
+ u16 hdr_offset; /**< offset relative to ip hdr */
+ u16 data_offset; /**< offset relative to ip hdr */
+ u16 data_len; /**< data len */
+ u8 flags;
+ } sctp;
+
/* SNAT */
struct
{