#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) \
- _( 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") \
+ _( 5, 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 _
};
+/**
+ * @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
{
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 */