#define ETH_BUFFER_VLAN_BITS (ETH_BUFFER_VLAN_1_DEEP | \
ETH_BUFFER_VLAN_2_DEEP)
-#define LOG2_BUFFER_OUTPUT_FEAT_DONE LOG2_VLIB_BUFFER_FLAG_USER(5)
-#define BUFFER_OUTPUT_FEAT_DONE (1 << LOG2_BUFFER_OUTPUT_FEAT_DONE)
+#define LOG2_VNET_BUFFER_RTE_MBUF_VALID LOG2_VLIB_BUFFER_FLAG_USER(5)
+#define VNET_BUFFER_RTE_MBUF_VALID (1 << LOG2_VNET_BUFFER_RTE_MBUF_VALID)
+
+#define LOG2_BUFFER_HANDOFF_NEXT_VALID LOG2_VLIB_BUFFER_FLAG_USER(6)
+#define BUFFER_HANDOFF_NEXT_VALID (1 << LOG2_BUFFER_HANDOFF_NEXT_VALID)
+
+#define LOG2_VNET_BUFFER_LOCALLY_ORIGINATED LOG2_VLIB_BUFFER_FLAG_USER(7)
+#define VNET_BUFFER_LOCALLY_ORIGINATED (1 << LOG2_VNET_BUFFER_LOCALLY_ORIGINATED)
+
+#define LOG2_VNET_BUFFER_SPAN_CLONE LOG2_VLIB_BUFFER_FLAG_USER(8)
+#define VNET_BUFFER_SPAN_CLONE (1 << LOG2_VNET_BUFFER_SPAN_CLONE)
#define foreach_buffer_opaque_union_subtype \
_(ethernet) \
_(l2t) \
_(gre) \
_(l2_classify) \
-_(io_handoff) \
+_(handoff) \
_(policer) \
-_(output_features) \
+_(ipsec) \
_(map) \
_(map_t) \
_(ip_frag)
-/*
+/*
* vnet stack buffer opaque array overlay structure.
* The vnet_buffer_opaque_t *must* be the same size as the
* vlib_buffer_t "opaque" structure member, 32 bytes.
* of the union, and will announce any deviations in an
* impossible-to-miss manner.
*/
-typedef struct {
+typedef struct
+{
u32 sw_if_index[VLIB_N_RX_TX];
- union {
+ union
+ {
/* Ethernet. */
- struct {
+ struct
+ {
/* Saved value of current header by ethernet-input. */
i32 start_of_ethernet_header;
} ethernet;
/* IP4/6 buffer opaque. */
- struct {
+ struct
+ {
/* Adjacency from destination IP address lookup [VLIB_TX].
- Adjacency from source IP address lookup [VLIB_RX].
- This gets set to ~0 until source lookup is performed. */
+ Adjacency from source IP address lookup [VLIB_RX].
+ This gets set to ~0 until source lookup is performed. */
u32 adj_index[VLIB_N_RX_TX];
- union {
- struct {
- /* Current configuration index. */
- u32 current_config_index;
-
+ union
+ {
+ struct
+ {
/* Flow hash value for this packet computed from IP src/dst address
protocol and ports. */
u32 flow_hash;
- /* next protocol */
- u32 save_protocol;
- };
+ /* next protocol */
+ u32 save_protocol;
- /* Alternate used for local TCP packets. */
- struct {
- u32 listener_index;
-
- u32 established_connection_index;
-
- u32 mini_connection_index;
-
- u32 transmit_stamp;
- } tcp;
+ /* Rewrite length */
+ u32 save_rewrite_length;
+ };
/* ICMP */
- struct {
+ struct
+ {
u8 type;
u8 code;
u32 data;
};
} ip;
+ /*
+ * MPLS:
+ * data copied from the MPLS header that was popped from the packet
+ * during the look-up.
+ */
+ struct
+ {
+ u8 ttl;
+ u8 exp;
+ u8 first;
+ } mpls;
+
/* Multicast replication */
- struct {
- u32 pad[3];
+ struct
+ {
+ u32 pad[3];
u32 mcast_group_index;
u32 mcast_current_index;
u32 original_free_list_index;
} mcast;
/* ip4-in-ip6 softwire termination, only valid there */
- struct {
+ struct
+ {
u8 swt_disable;
u32 mapping_index;
} swt;
/* l2 bridging path, only valid there */
- struct {
+ struct
+ {
u32 feature_bitmap;
- u16 bd_index; // bridge-domain index
- u8 l2_len; // ethernet header length
- u8 shg; // split-horizon group
+ u16 bd_index; // bridge-domain index
+ u8 l2_len; // ethernet header length
+ u8 shg; // split-horizon group
} l2;
/* l2tpv3 softwire encap, only valid there */
- struct {
- u32 pad[4]; /* do not overlay w/ ip.adj_index[0,1] */
+ struct
+ {
+ u32 pad[4]; /* do not overlay w/ ip.adj_index[0,1] */
u8 next_index;
u32 session_index;
} l2t;
- struct {
+ struct
+ {
u32 src, dst;
} gre;
/* L2 classify */
- struct {
+ struct
+ {
u64 pad;
- u32 opaque_index;
u32 table_index;
+ u32 opaque_index;
u64 hash;
} l2_classify;
/* IO - worker thread handoff */
- struct {
+ struct
+ {
u32 next_index;
- } io_handoff;
+ } handoff;
/* vnet policer */
- struct {
- u32 pad[8 -VLIB_N_RX_TX -1]; /* to end of opaque */
+ struct
+ {
+ u32 pad[8 - VLIB_N_RX_TX - 1]; /* to end of opaque */
u32 index;
} policer;
/* interface output features */
- struct {
- u32 ipsec_spd_index;
- u32 ipsec_sad_index;
- u32 unused[3];
- u32 bitmap;
- } output_features;
+ struct
+ {
+ u32 flags;
+ u32 sad_index;
+ } ipsec;
/* vcgn udp inside input, only valid there */
- struct {
+ struct
+ {
/* This part forms context of the packet. The structure should be
- * exactly same as spp_ctx_t. Also this should be the first
+ * exactly same as spp_ctx_t. Also this should be the first
* element of this vcgn_uii structure.
*/
/****** BEGIN spp_ctx_t section ***********************/
- union { /* Roddick specific */
- u32 roddick_info;
- struct _tx_pkt_info { /* Used by PI to PI communication for TX */
- u32 uidb_index:16; /* uidb_index to transmit */
- u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
- u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first
- * segment size
- * (set by 6rd defrag node)
- */
-
- u32 dst_ip_port_idx:4;/* Index to dst_ip_port_table */
- u32 from_node:4;
- u32 calc_chksum:1;
- u32 reserved:4;
- } tx;
- struct _rx_pkt_info { /* Used by PD / PI communication */
- u32 uidb_index:16; /* uidb_index received in packet */
- u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
- u32 icmp_type:1; /* 0-ICMP query type, 1-ICMP error type */
- u32 protocol_type:2; /* 1-TCP, 2-UDP, 3-ICMP, 0 - Unused */
- u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first
- * segment size
- * (set by 6rd defrag node)
- */
-
- u32 direction:1; /* 0-Outside, 1-Inside */
- u32 frag:1; /*IP fragment-1, Otherwise-0*/
- u32 option:1; /* 0-No IP option (v4) present, non-fragHdr
- * option hdr present (v6)
- */
- u32 df_bit:1; /* IPv4 DF bit copied here */
- u32 reserved1:6;
- } rx;
+ union
+ { /* Roddick specific */
+ u32 roddick_info;
+ struct _tx_pkt_info
+ { /* Used by PI to PI communication for TX */
+ u32 uidb_index:16; /* uidb_index to transmit */
+ u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
+ u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first
+ * segment size
+ * (set by 6rd defrag node)
+ */
+
+ u32 dst_ip_port_idx:4; /* Index to dst_ip_port_table */
+ u32 from_node:4;
+ u32 calc_chksum:1;
+ u32 reserved:4;
+ } tx;
+ struct _rx_pkt_info
+ { /* Used by PD / PI communication */
+ u32 uidb_index:16; /* uidb_index received in packet */
+ u32 packet_type:2; /* 1-IPv4, 2-Ipv6, - 0,3 - Unused */
+ u32 icmp_type:1; /* 0-ICMP query type, 1-ICMP error type */
+ u32 protocol_type:2; /* 1-TCP, 2-UDP, 3-ICMP, 0 - Unused */
+ u32 ipv4_defrag:1; /* 0 - Normal, 1 - update first
+ * segment size
+ * (set by 6rd defrag node)
+ */
+
+ u32 direction:1; /* 0-Outside, 1-Inside */
+ u32 frag:1; /*IP fragment-1, Otherwise-0 */
+ u32 option:1; /* 0-No IP option (v4) present, non-fragHdr
+ * option hdr present (v6)
+ */
+ u32 df_bit:1; /* IPv4 DF bit copied here */
+ u32 reserved1:6;
+ } rx;
} ru;
/****** END spp_ctx_t section ***********************/
- union {
- struct {
- u32 ipv4;
- u16 port;
- u16 vrf; //bit0-13:i/f, bit14-15:protocol
- } k;
+ union
+ {
+ struct
+ {
+ u32 ipv4;
+ u16 port;
+ u16 vrf; //bit0-13:i/f, bit14-15:protocol
+ } k;
- u64 key64;
+ u64 key64;
} key;
u32 bucket;
- u16 ovrf; /* Exit interface */
+ u16 ovrf; /* Exit interface */
u8 frag_pkt;
u8 vcgn_unused1;
} vcgn_uii;
/* MAP */
- struct {
+ struct
+ {
u16 mtu;
} map;
/* MAP-T */
- struct {
+ struct
+ {
u32 map_domain_index;
- struct {
- u32 saddr, daddr;
- u16 frag_offset; //Fragmentation header offset
- u16 l4_offset; //L4 header overall offset
- u8 l4_protocol; //The final protocol number
- } v6; //Used by ip6_map_t only
- u16 checksum_offset; //L4 checksum overall offset
- u16 mtu; //Exit MTU
+ struct
+ {
+ u32 saddr, daddr;
+ u16 frag_offset; //Fragmentation header offset
+ u16 l4_offset; //L4 header overall offset
+ u8 l4_protocol; //The final protocol number
+ } v6; //Used by ip6_map_t only
+ u16 checksum_offset; //L4 checksum overall offset
+ u16 mtu; //Exit MTU
} map_t;
/* IP Fragmentation */
- struct {
+ struct
+ {
u16 header_offset;
u16 mtu;
u8 next_index;
- u8 flags; //See ip_frag.h
+ u8 flags; //See ip_frag.h
} ip_frag;
/* COP - configurable junk filter(s) */
- struct {
- /* Current configuration index. */
- u32 current_config_index;
+ struct
+ {
+ /* Current configuration index. */
+ u32 current_config_index;
} cop;
+ /* LISP */
+ struct
+ {
+ /* overlay address family */
+ u16 overlay_afi;
+ } lisp;
+
+ /* Driver rx feature */
+ struct
+ {
+ u32 saved_next_index; /**< saved by drivers for short-cut */
+ u16 buffer_advance;
+ } device_input_feat;
+
u32 unused[6];
};
} vnet_buffer_opaque_t;
+/*
+ * The opaque field of the vlib_buffer_t is intepreted as a
+ * vnet_buffer_opaque_t. Hence it should be big enough to accommodate one.
+ */
+STATIC_ASSERT (sizeof (vnet_buffer_opaque_t) <= STRUCT_SIZE_OF (vlib_buffer_t,
+ opaque),
+ "VNET buffer meta-data too large for vlib_buffer");
+
#define vnet_buffer(b) ((vnet_buffer_opaque_t *) (b)->opaque)
/* Full cache line (64 bytes) of additional space */
-typedef struct {
- union {
+typedef struct
+{
+ union
+ {
};
} vnet_buffer_opaque2_t;
#endif /* included_vnet_buffer_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff