/* * Ouroboros - Copyright (C) 2016 - 2021 * * Congestion avoidance * * Dimitri Staessens <dimitri@ouroboros.rocks> * Sander Vrijders <sander@ouroboros.rocks> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., http://www.fsf.org/about/contact/. */ #ifndef OUROBOROS_IPCPD_UNICAST_CA_H #define OUROBOROS_IPCPD_UNICAST_CA_H #include <ouroboros/ipcp.h> #include <ouroboros/qoscube.h> #include <stdbool.h> #include <sys/types.h> typedef union { time_t wait; } ca_wnd_t; int ca_init(enum pol_cong_avoid ca); void ca_fini(void); /* OPS */ void * ca_ctx_create(void); void ca_ctx_destroy(void * ctx); ca_wnd_t ca_ctx_update_snd(void * ctx, size_t len); bool ca_ctx_update_rcv(void * ctx, size_t len, uint8_t ecn, uint16_t * ece); void ca_ctx_update_ece(void * ctx, uint16_t ece); void ca_wnd_wait(ca_wnd_t wnd); int ca_calc_ecn(int fd, uint8_t * ecn, qoscube_t qc, size_t len); ssize_t ca_print_stats(void * ctx, char * buf, size_t len); #endif /* OUROBOROS_IPCPD_UNICAST_CA_H */