session: segment handle in accept/connect notifications

[vpp.git] / src / vnet / session / transport.h

diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h
index 8c299c4..952f97d 100644 (file)
--- a/src/vnet/session/transport.h
+++ b/src/vnet/session/transport.h
@@ -20,25 +20,56 @@
 #include <vnet/ip/ip.h>
 #include <vnet/tcp/tcp_debug.h>
 
+typedef struct _transport_stats
+{
+  u64 tx_bytes;
+} transport_stats_t;
+
+typedef struct _spacer
+{
+  u64 bucket;
+  u32 max_burst_size;
+  f32 tokens_per_period;
+  u64 last_update;
+} spacer_t;
+
 /*
  * Protocol independent transport properties associated to a session
  */
 typedef struct _transport_connection
 {
-  ip46_address_t rmt_ip;       /**< Remote IP */
-  ip46_address_t lcl_ip;       /**< Local IP */
-  u16 lcl_port;                        /**< Local port */
-  u16 rmt_port;                        /**< Remote port */
-  u8 transport_proto;          /**< Protocol id */
-  u8 is_ip4;                   /**< Flag if IP4 connection */
-  u32 fib_index;                       /**< Network namespace */
+  /** Connection ID */
+  union
+  {
+    /*
+     * Network connection ID tuple
+     */
+    struct
+    {
+      ip46_address_t rmt_ip;   /**< Remote IP */
+      ip46_address_t lcl_ip;   /**< Local IP */
+      u16 rmt_port;            /**< Remote port */
+      u16 lcl_port;            /**< Local port */
+      u8 is_ip4;               /**< Flag if IP4 connection */
+      u8 proto;                        /**< Protocol id */
+      u32 fib_index;           /**< Network namespace */
+    };
+    /*
+     * Opaque connection ID
+     */
+    u8 opaque_conn_id[42];
+  };
 
   u32 s_index;                 /**< Parent session index */
   u32 c_index;                 /**< Connection index in transport pool */
   u32 thread_index;            /**< Worker-thread index */
 
-  fib_node_index_t rmt_fei;    /**< FIB entry index for rmt */
-  dpo_id_t rmt_dpo;            /**< Forwarding DPO for rmt */
+  /*fib_node_index_t rmt_fei;
+     dpo_id_t rmt_dpo; */
+
+  u8 flags;                    /**< Transport specific flags */
+  transport_stats_t stats;     /**< Transport connection stats */
+  spacer_t pacer;              /**< Simple transport pacer */
 
 #if TRANSPORT_DEBUG
   elog_track_t elog_track;     /**< Event logging */
@@ -54,7 +85,7 @@ typedef struct _transport_connection
 #define c_rmt_ip6 connection.rmt_ip.ip6
 #define c_lcl_port connection.lcl_port
 #define c_rmt_port connection.rmt_port
-#define c_transport_proto connection.transport_proto
+#define c_proto connection.proto
 #define c_fib_index connection.fib_index
 #define c_s_index connection.s_index
 #define c_c_index connection.c_index
@@ -64,28 +95,60 @@ typedef struct _transport_connection
 #define c_cc_stat_tstamp connection.cc_stat_tstamp
 #define c_rmt_fei connection.rmt_fei
 #define c_rmt_dpo connection.rmt_dpo
+#define c_opaque_id connection.opaque_conn_id
+#define c_stats connection.stats
+#define c_pacer connection.pacer
+#define c_flags connection.flags
 } transport_connection_t;
 
+#define TRANSPORT_CONNECTION_F_IS_TX_PACED     1 << 0
+
 typedef enum _transport_proto
 {
   TRANSPORT_PROTO_TCP,
-  TRANSPORT_PROTO_UDP
+  TRANSPORT_PROTO_UDP,
+  TRANSPORT_PROTO_SCTP,
+  TRANSPORT_PROTO_NONE,
+  TRANSPORT_PROTO_TLS,
+  TRANSPORT_PROTO_UDPC,
+  TRANSPORT_N_PROTO
 } transport_proto_t;
 
-#define foreach_transport_connection_fields                            \
+u8 *format_transport_proto (u8 * s, va_list * args);
+u8 *format_transport_proto_short (u8 * s, va_list * args);
+u8 *format_transport_connection (u8 * s, va_list * args);
+u8 *format_transport_listen_connection (u8 * s, va_list * args);
+u8 *format_transport_half_open_connection (u8 * s, va_list * args);
+
+uword unformat_transport_proto (unformat_input_t * input, va_list * args);
+
+#define foreach_transport_endpoint_fields                              \
+  _(ip46_address_t, ip) /**< ip address in net order */                        \
+  _(u16, port)         /**< port in net order */                       \
+  _(u8, is_ip4)                /**< set if ip4 */                              \
   _(u32, sw_if_index)  /**< interface endpoint is associated with  */  \
-  _(ip46_address_t, ip) /**< ip address */                             \
   _(u32, fib_index)    /**< fib table endpoint is associated with */   \
-  _(u8, is_ip4)        /**< 1 if ip4 */                                        \
-  _(u16, port)         /**< port in net order */                       \
 
-typedef struct _transport_endpoint
+typedef struct transport_endpoint_
 {
 #define _(type, name) type name;
-  foreach_transport_connection_fields
+  foreach_transport_endpoint_fields
 #undef _
 } transport_endpoint_t;
 
+#define foreach_transport_endpoint_cfg_fields                          \
+  foreach_transport_endpoint_fields                                    \
+  _(transport_endpoint_t, peer)                                                \
+
+typedef struct transport_endpoint_pair_
+{
+#define _(type, name) type name;
+  foreach_transport_endpoint_cfg_fields
+#undef _
+} transport_endpoint_cfg_t;
+
+typedef clib_bihash_24_8_t transport_endpoint_table_t;
+
 #define ENDPOINT_INVALID_INDEX ((u32)~0)
 
 always_inline u8
@@ -94,6 +157,20 @@ transport_connection_fib_proto (transport_connection_t * tc)
   return tc->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
 }
 
+always_inline u8
+transport_endpoint_fib_proto (transport_endpoint_t * tep)
+{
+  return tep->is_ip4 ? FIB_PROTOCOL_IP4 : FIB_PROTOCOL_IP6;
+}
+
+int transport_alloc_local_port (u8 proto, ip46_address_t * ip);
+int transport_alloc_local_endpoint (u8 proto, transport_endpoint_cfg_t * rmt,
+                                   ip46_address_t * lcl_addr,
+                                   u16 * lcl_port);
+void transport_endpoint_cleanup (u8 proto, ip46_address_t * lcl_ip, u16 port);
+u8 transport_protocol_is_cl (transport_proto_t tp);
+void transport_init (void);
+
 #endif /* VNET_VNET_URI_TRANSPORT_H_ */
 
 /*