vcl session: extended connect/listen configuration
[vpp.git] / src / vnet / session / transport_types.h
index 44934da..0041adb 100644 (file)
@@ -19,6 +19,8 @@
 #include <vnet/vnet.h>
 #include <vnet/ip/ip.h>
 #include <vnet/tcp/tcp_debug.h>
+#include <vppinfra/bihash_24_8.h>
+
 
 #define TRANSPORT_MAX_HDRS_LEN    140  /* Max number of bytes for headers */
 
@@ -52,15 +54,21 @@ typedef enum transport_connection_flags_
    * Connection descheduled by the session layer.
    */
   TRANSPORT_CONNECTION_F_DESCHED = 1 << 2,
+  /**
+   * Connection is "connection less". Some important implications of that
+   * are that connections are not pinned to workers and listeners will
+   * have fifos associated to them
+   */
+  TRANSPORT_CONNECTION_F_CLESS = 1 << 3,
 } transport_connection_flags_t;
 
 typedef struct _spacer
 {
   u64 bytes_per_sec;
-  u64 bucket;
+  i64 bucket;
   clib_us_time_t last_update;
   f32 tokens_per_period;
-  u32 idle_timeout_us;
+  u32 max_burst;
 } spacer_t;
 
 #define TRANSPORT_CONN_ID_LEN  44
@@ -138,6 +146,8 @@ typedef struct _transport_connection
 #define c_stats connection.stats
 #define c_pacer connection.pacer
 #define c_flags connection.flags
+#define s_ho_handle pacer.bytes_per_sec
+#define c_s_ho_handle connection.pacer.bytes_per_sec
 } transport_connection_t;
 
 STATIC_ASSERT (STRUCT_OFFSET_OF (transport_connection_t, s_index)
@@ -148,13 +158,13 @@ STATIC_ASSERT (STRUCT_OFFSET_OF (transport_connection_t, s_index)
 STATIC_ASSERT (sizeof (transport_connection_t) <= 128,
               "moved into 3rd cache line");
 
-#define foreach_transport_proto                                \
-  _(TCP, "tcp", "T")                                   \
-  _(UDP, "udp", "U")                                   \
-  _(NONE, "ct", "C")                                   \
-  _(TLS, "tls", "J")                                   \
-  _(UDPC, "udpc", "U")                                 \
-  _(QUIC, "quic", "Q")                                 \
+#define foreach_transport_proto                                               \
+  _ (TCP, "tcp", "T")                                                         \
+  _ (UDP, "udp", "U")                                                         \
+  _ (NONE, "ct", "C")                                                         \
+  _ (TLS, "tls", "J")                                                         \
+  _ (QUIC, "quic", "Q")                                                       \
+  _ (DTLS, "dtls", "D")
 
 typedef enum _transport_proto
 {
@@ -186,10 +196,17 @@ typedef struct transport_endpoint_
 #undef _
 } transport_endpoint_t;
 
+typedef enum transport_endpt_cfg_flags_
+{
+  TRANSPORT_CFG_F_CONNECTED = 1 << 0,
+  TRANSPORT_CFG_F_UNIDIRECTIONAL = 1 << 1,
+} transport_endpt_cfg_flags_t;
+
 #define foreach_transport_endpoint_cfg_fields                          \
   foreach_transport_endpoint_fields                                    \
   _(transport_endpoint_t, peer)                                                \
   _(u16, mss)                                                          \
+  _(u8, transport_flags)                                               \
 
 typedef struct transport_endpoint_pair_
 {
@@ -198,6 +215,57 @@ typedef struct transport_endpoint_pair_
 #undef _
 } transport_endpoint_cfg_t;
 
+#define foreach_transport_endpt_cfg_flags                                     \
+  _ (CSUM_OFFLOAD)                                                            \
+  _ (GSO)                                                                     \
+  _ (RATE_SAMPLING)
+
+typedef enum transport_endpt_attr_flag_bit_
+{
+#define _(name) TRANSPORT_ENDPT_ATTR_F_BIT_##name,
+  foreach_transport_endpt_cfg_flags
+#undef _
+} __clib_packed transport_endpt_attr_flag_bit_t;
+
+typedef enum transport_endpt_attr_flag_
+{
+#define _(name)                                                               \
+  TRANSPORT_ENDPT_ATTR_F_##name = 1 << TRANSPORT_ENDPT_ATTR_F_BIT_##name,
+  foreach_transport_endpt_cfg_flags
+#undef _
+} __clib_packed transport_endpt_attr_flag_t;
+
+#define foreach_transport_attr_fields                                         \
+  _ (u64, next_output_node, NEXT_OUTPUT_NODE)                                 \
+  _ (u16, mss, MSS)                                                           \
+  _ (u8, flags, FLAGS)                                                        \
+  _ (u8, cc_algo, CC_ALGO)
+
+typedef enum transport_endpt_attr_type_
+{
+#define _(type, name, str) TRANSPORT_ENDPT_ATTR_##str,
+  foreach_transport_attr_fields
+#undef _
+} __clib_packed transport_endpt_attr_type_t;
+
+typedef struct transport_endpt_attr_
+{
+  transport_endpt_attr_type_t type;
+  union
+  {
+#define _(type, name, str) type name;
+    foreach_transport_attr_fields
+#undef _
+  };
+} transport_endpt_attr_t;
+
+typedef struct transport_endpt_ext_cfg_
+{
+  u16 type;
+  u16 len;
+  u8 data[0];
+} transport_endpt_ext_cfg_t;
+
 typedef clib_bihash_24_8_t transport_endpoint_table_t;
 
 #define ENDPOINT_INVALID_INDEX ((u32)~0)
@@ -215,7 +283,6 @@ transport_endpoint_fib_proto (transport_endpoint_t * tep)
 }
 
 u8 transport_protocol_is_cl (transport_proto_t tp);
-u8 transport_half_open_has_fifos (transport_proto_t tp);
 transport_service_type_t transport_protocol_service_type (transport_proto_t);
 transport_tx_fn_type_t transport_protocol_tx_fn_type (transport_proto_t tp);