/* * 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. */ #ifndef SRC_VNET_TCP_TCP_CC_H_ #define SRC_VNET_TCP_TCP_CC_H_ #include <vnet/tcp/tcp_types.h> always_inline void tcp_cc_rcv_ack (tcp_connection_t * tc, tcp_rate_sample_t * rs) { tc->cc_algo->rcv_ack (tc, rs); tc->tsecr_last_ack = tc->rcv_opts.tsecr; } static inline void tcp_cc_rcv_cong_ack (tcp_connection_t * tc, tcp_cc_ack_t ack_type, tcp_rate_sample_t * rs) { tc->cc_algo->rcv_cong_ack (tc, ack_type, rs); } static inline void tcp_cc_congestion (tcp_connection_t * tc) { tc->cc_algo->congestion (tc); } static inline void tcp_cc_loss (tcp_connection_t * tc) { tc->cc_algo->loss (tc); } static inline void tcp_cc_recovered (tcp_connection_t * tc) { tc->cc_algo->recovered (tc); } static inline void tcp_cc_undo_recovery (tcp_connection_t * tc) { if (tc->cc_algo->undo_recovery) tc->cc_algo->undo_recovery (tc); } static inline void tcp_cc_event (tcp_connection_t * tc, tcp_cc_event_t evt) { if (tc->cc_algo->event) tc->cc_algo->event (tc, evt); } static inline u64 tcp_cc_get_pacing_rate (tcp_connection_t * tc) { if (tc->cc_algo->get_pacing_rate) return tc->cc_algo->get_pacing_rate (tc); f64 srtt = clib_min ((f64) tc->srtt * TCP_TICK, tc->mrtt_us); /* TODO should constrain to interface's max throughput but * we don't have link speeds for sw ifs ..*/ return ((f64) tc->cwnd / srtt); } static inline void * tcp_cc_data (tcp_connection_t * tc) { return (void *) tc->cc_data; } /** * Register exiting cc algo type */ void tcp_cc_algo_register (tcp_cc_algorithm_type_e type, const tcp_cc_algorithm_t * vft); /** * Register new cc algo type */ tcp_cc_algorithm_type_e tcp_cc_algo_new_type (const tcp_cc_algorithm_t * vft); tcp_cc_algorithm_t *tcp_cc_algo_get (tcp_cc_algorithm_type_e type); void newreno_rcv_cong_ack (tcp_connection_t * tc, tcp_cc_ack_t ack_type, tcp_rate_sample_t * rs); #endif /* SRC_VNET_TCP_TCP_CC_H_ */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */