/* * Copyright (c) 2020 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. */ /* * Rate estimation */ #ifndef SRC_VNET_TCP_TCP_BT_H_ #define SRC_VNET_TCP_TCP_BT_H_ #include <vnet/tcp/tcp_types.h> /** * Byte tracker initialize * * @param tc connection for which the byte tracker should be allocated and * initialized */ void tcp_bt_init (tcp_connection_t * tc); /** * Byte tracker cleanup * * @param tc connection for which the byte tracker should be cleaned up */ void tcp_bt_cleanup (tcp_connection_t * tc); /** * Flush byte tracker samples * * @param tc tcp connection for which samples should be flushed */ void tcp_bt_flush_samples (tcp_connection_t * tc); /** * Track a tcp tx burst * * @param tc tcp connection */ void tcp_bt_track_tx (tcp_connection_t * tc, u32 len); /** * Track a tcp retransmission * * @param tc tcp connection * @param start start sequence number * @param end end sequence number */ void tcp_bt_track_rxt (tcp_connection_t * tc, u32 start, u32 end); /** * Generate a delivery rate sample from recently acked bytes * * @param tc tcp connection * @param rs resulting rate sample */ void tcp_bt_sample_delivery_rate (tcp_connection_t * tc, tcp_rate_sample_t * rs); /** * Check if sample to be generated is app limited * * @param tc tcp connection */ void tcp_bt_check_app_limited (tcp_connection_t * tc); /** * Check if the byte tracker is in sane state * * Should be used only for testing * * @param bt byte tracker */ int tcp_bt_is_sane (tcp_byte_tracker_t * bt); format_function_t format_tcp_bt; #endif /* SRC_VNET_TCP_TCP_BT_H_ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */