+++ /dev/null
-/*
- * Copyright (c) 2017-2019 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_
-#define SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_
-
-#include <vnet/vnet.h>
-#include <vnet/session/transport.h>
-
-/*
- * Transport protocol virtual function table
- */
-/* *INDENT-OFF* */
-typedef struct _transport_proto_vft
-{
- /*
- * Setup
- */
- u32 (*bind) (u32 session_index, transport_endpoint_t * lcl);
- u32 (*unbind) (u32);
- 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);
-
- /*
- * Transmission
- */
-
- u32 (*push_header) (transport_connection_t * tconn, vlib_buffer_t * b);
- u16 (*send_mss) (transport_connection_t * tc);
- u32 (*send_space) (transport_connection_t * tc);
- u32 (*tx_fifo_offset) (transport_connection_t * tc);
- void (*update_time) (f64 time_now, u8 thread_index);
- void (*flush_data) (transport_connection_t *tconn);
-
- /*
- * Connection retrieval
- */
- transport_connection_t *(*get_connection) (u32 conn_idx, u32 thread_idx);
- transport_connection_t *(*get_listener) (u32 conn_index);
- transport_connection_t *(*get_half_open) (u32 conn_index);
-
- /*
- * Format
- */
- u8 *(*format_connection) (u8 * s, va_list * args);
- u8 *(*format_listener) (u8 * s, va_list * args);
- u8 *(*format_half_open) (u8 * s, va_list * args);
-
- /*
- * Properties
- */
- transport_tx_fn_type_t tx_type;
- transport_service_type_t service_type;
-} transport_proto_vft_t;
-/* *INDENT-ON* */
-
-extern transport_proto_vft_t *tp_vfts;
-
-#define transport_proto_foreach(VAR, BODY) \
-do { \
- for (VAR = 0; VAR < vec_len (tp_vfts); VAR++) \
- if (tp_vfts[VAR].push_header != 0) \
- do { BODY; } while (0); \
-} while (0)
-
-void transport_register_protocol (transport_proto_t transport_proto,
- 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);
-void transport_update_time (f64 time_now, u8 thread_index);
-transport_connection_t *transport_get_connection (transport_proto_t tp,
- u32 conn_index,
- u8 thread_index);
-transport_connection_t *transport_get_listener (transport_proto_t tp,
- u32 conn_index);
-void transport_enable_disable (vlib_main_t * vm, u8 is_en);
-
-always_inline u32
-transport_elog_track_index (transport_connection_t * tc)
-{
-#if TRANSPORT_DEBUG
- return tc->elog_track.track_index_plus_one - 1;
-#else
- return ~0;
-#endif
-}
-
-void transport_connection_tx_pacer_reset (transport_connection_t * tc,
- u32 rate_bytes_per_sec,
- u32 initial_bucket, u64 time_now);
-/**
- * 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 initial_bucket);
-
-/**
- * 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
- * @param mss transport's mss
- */
-u32 transport_connection_snd_space (transport_connection_t * tc,
- u64 time_now, u16 mss);
-
-u32 transport_connection_tx_pacer_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);
-
-void
-transport_connection_tx_pacer_update_bytes (transport_connection_t * tc,
- u32 bytes);
-
-#endif /* SRC_VNET_SESSION_TRANSPORT_INTERFACE_H_ */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff