TAS
TCP Acceleration as an OS Service
Functions
Tas-sp-cc

Congestion Control. More...

Collaboration diagram for Tas-sp-cc:

Functions

int cc_init (void)
 
unsigned cc_poll (uint32_t cur_ts)
 
uint32_t cc_next_ts (uint32_t cur_ts)
 
void cc_conn_init (struct connection *conn)
 
void cc_conn_remove (struct connection *conn)
 

Detailed Description

Congestion Control.

Function Documentation

◆ cc_conn_init()

void cc_conn_init ( struct connection conn)

Initialize congestion state for flow

Parameters
connConnection to initialize.

Definition at line 175 of file cc.c.

References configuration::cc_algorithm, connection::cc_last_ts, connection::cc_next, connection::cc_rexmits, connection::cc_rtt, and configuration::tcp_rtt_init.

Referenced by tcp_timeout().

◆ cc_conn_remove()

void cc_conn_remove ( struct connection conn)

Remove congestion state for flow

Parameters
connConnection to remove.

Definition at line 209 of file cc.c.

References connection_cc_dctcp_rate::act_rate, connection_cc_timely::act_rate, nicif_connection_stats::c_ackb, nicif_connection_stats::c_acks, nicif_connection_stats::c_drops, nicif_connection_stats::c_ecnb, connection::cc, configuration::cc_const_rate, configuration::cc_dctcp_init, configuration::cc_dctcp_mimd, configuration::cc_dctcp_min, configuration::cc_dctcp_minpkts, configuration::cc_dctcp_step, configuration::cc_dctcp_weight, connection::cc_last_ts, connection::cc_next, connection::cc_rate, configuration::cc_rexmit_ints, connection::cc_rexmits, connection::cc_rtt, configuration::cc_timely_alpha, configuration::cc_timely_beta, configuration::cc_timely_init, configuration::cc_timely_min_rate, configuration::cc_timely_min_rtt, configuration::cc_timely_step, configuration::cc_timely_thigh, configuration::cc_timely_tlow, connection::cnt_tx_pending, connection::dctcp_rate, connection::dctcp_win, connection_cc_dctcp_win::ecn_rate, connection_cc_dctcp_rate::ecn_rate, connection::flow_group, connection::flow_id, connection_cc_timely::hai_cnt, kernel_statistics::kernel_rexmit, connection_cc_timely::last_ts, nicif_connection_retransmit(), nicif_connection_stats::rtt, connection_cc_timely::rtt_diff, connection_cc_timely::rtt_prev, connection_cc_dctcp_win::slowstart, connection_cc_dctcp_rate::slowstart, connection_cc_timely::slowstart, configuration::tcp_link_bw, configuration::tcp_rtt_init, connection::timely, connection::ts_tx_pending, connection::tx_len, nicif_connection_stats::txp, connection_cc_dctcp_rate::unproc_ackb, connection_cc_dctcp_rate::unproc_acks, connection_cc_dctcp_rate::unproc_drops, connection_cc_dctcp_rate::unproc_ecnb, and connection_cc_dctcp_win::window.

Referenced by tcp_close().

◆ cc_init()

int cc_init ( void  )

Initialize congestion control management

Definition at line 35 of file cc.c.

◆ cc_poll()

unsigned cc_poll ( uint32_t  cur_ts)