tcp/session: add tx pacer

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

diff --git a/src/vnet/session/transport.h b/src/vnet/session/transport.h
index e29f3ca..0736669 100644 (file)
--- a/src/vnet/session/transport.h
+++ b/src/vnet/session/transport.h
@@ -23,6 +23,19 @@
 /*
  * Protocol independent transport properties associated to a session
  */
+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;
+
 typedef struct _transport_connection
 {
   /** Connection ID */
@@ -54,6 +67,10 @@ typedef struct _transport_connection
   /*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 */
   u32 cc_stat_tstamp;          /**< CC stats timestamp */
@@ -79,8 +96,13 @@ typedef struct _transport_connection
 #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,