{
TRANSPORT_TX_PEEK, /**< reliable transport protos */
TRANSPORT_TX_DEQUEUE, /**< unreliable transport protos */
- TRANSPORT_TX_INTERNAL, /**< apps acting as transports */
+ TRANSPORT_TX_INTERNAL, /**< apps acting as transports */
+ TRANSPORT_TX_DGRAM, /**< datagram mode */
TRANSPORT_TX_N_FNS
} transport_tx_fn_type_t;
{
TRANSPORT_SERVICE_VC, /**< virtual circuit service */
TRANSPORT_SERVICE_CL, /**< connectionless service */
- TRANSPORT_SERVICE_APP, /**< app transport service */
+ TRANSPORT_SERVICE_APP, /**< app transport service */
TRANSPORT_N_SERVICES
} transport_service_type_t;
*/
u32 (*bind) (u32 session_index, transport_endpoint_t * lcl);
u32 (*unbind) (u32);
- int (*open) (transport_endpoint_t * rmt);
+ int (*open) (transport_endpoint_cfg_t * rmt);
void (*close) (u32 conn_index, u32 thread_index);
void (*cleanup) (u32 conn_index, u32 thread_index);
clib_error_t *(*enable) (vlib_main_t * vm, u8 is_en);
#define transport_proto_foreach(VAR, BODY) \
do { \
for (VAR = 0; VAR < vec_len (tp_vfts); VAR++) \
- if (tp_vfts[VAR].push_header != 0) \
+ if (tp_vfts[VAR].push_header != 0) \
do { BODY; } while (0); \
} while (0)
const transport_proto_vft_t * vft,
fib_protocol_t fib_proto, u32 output_node);
transport_proto_vft_t *transport_protocol_get_vft (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);
void transport_update_time (f64 time_now, u8 thread_index);
void transport_enable_disable (vlib_main_t * vm, u8 is_en);
+/**
+ * Initialize tx pacer for connection
+ *
+ * @param tc transport connection
+ * @param rate_bytes_per_second initial byte rate
+ * @param burst_bytes initial burst size in bytes
+ */
+void transport_connection_tx_pacer_init (transport_connection_t * tc,
+ u32 rate_bytes_per_sec,
+ u32 burst_bytes);
+
+/**
+ * Update tx pacer pacing rate
+ *
+ * @param tc transport connection
+ * @param bytes_per_sec new pacing rate
+ */
+void transport_connection_tx_pacer_update (transport_connection_t * tc,
+ u64 bytes_per_sec);
+
+/**
+ * Get maximum tx burst allowed for transport connection
+ *
+ * @param tc transport connection
+ * @param time_now current cpu time as returned by @ref clib_cpu_time_now
+ */
+u32 transport_connection_max_tx_burst (transport_connection_t * tc,
+ u64 time_now);
+
+/**
+ * Initialize period for tx pacers
+ *
+ * Defines a unit of time with respect to number of cpu cycles that is to
+ * be used by all tx pacers.
+ */
+void transport_init_tx_pacers_period (void);
+
+/**
+ * Check if transport connection is paced
+ */
+always_inline u8
+transport_connection_is_tx_paced (transport_connection_t * tc)
+{
+ return (tc->flags & TRANSPORT_CONNECTION_F_IS_TX_PACED);
+}
+
+u8 *format_transport_pacer (u8 * s, va_list * args);
+
+/**
+ * Update tx byte stats for transport connection
+ *
+ * If tx pacing is enabled, this also updates pacer bucket to account for the
+ * amount of bytes that have been sent.
+ *
+ * @param tc transport connection
+ * @param pkts packets recently sent
+ * @param bytes bytes recently sent
+ */
+void transport_connection_update_tx_stats (transport_connection_t * tc,
+ u32 bytes);
+
#endif /* SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_ */
/*