Congestion.c File Reference

#include "main.h"
#include "TCP.h"

Include dependency graph for Congestion.c:

Go to the source code of this file.

Data Structures
struct	stru_bic
struct	stru_congestion_var

Macros
#define	BICTCP_BETA_SCALE
#define	BICTCP_B
#define	ACK_RATIO_SHIFT   4

Typedefs
typedef struct stru_bic	BIC
typedef struct stru_bic *	PBIC
typedef struct stru_congestion_var	CONGESTIONVAR
typedef struct stru_congestion_var *	PCONGESTIONVAR

Functions
void	cubic_ack_received (PNETSIM_SOCKET s)
void	init_cubic (PNETSIM_SOCKET s)
static bool	isReno (PNETSIM_SOCKET s)
static bool	isBIC (PNETSIM_SOCKET s)
static bool	isNewReno (PNETSIM_SOCKET s)
static bool	isFastRetransmit (PNETSIM_SOCKET s)
static bool	isFastRecovery (PNETSIM_SOCKET s)
static PCONGESTIONVAR	get_congestionvar (PNETSIM_SOCKET s)
static void	set_congestionvar (PNETSIM_SOCKET s, PCONGESTIONVAR data)
static UINT16	congestion_get_MSS (PNETSIM_SOCKET s)
static UINT16	congestion_get_WND (PNETSIM_SOCKET s)
static UINT32	congestion_get_RCV_WND (PNETSIM_SOCKET s)
static void	set_ssthres (PNETSIM_SOCKET s, UINT32 newssthres)
static UINT32	get_ssthres (PNETSIM_SOCKET s)
static void	set_cwnd (PNETSIM_SOCKET s, UINT32 newcwnd)
static UINT32	get_cwnd (PNETSIM_SOCKET s)
UINT32	get_cwnd_print (PNETSIM_SOCKET s)
static bool	tcp_in_slow_start (PNETSIM_SOCKET s)
static void	bictcp_reset (PBIC ca)
static void	bictcp_init (PNETSIM_SOCKET sk, PTCP_DEV_VAR tcp)
static void	init_congestion (PNETSIM_SOCKET s)
static void	increase_cwnd (PNETSIM_SOCKET s, UINT16 increase)
static void	congestion_set_IW (PNETSIM_SOCKET s)
static void	congestion_set_MSS (PNETSIM_SOCKET s, UINT16 mss)
static bool	isDupAck (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static bool	isFullAck (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static void	slowStart (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static void	CongestionAvoidance (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static void	FastRetransmit (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static void	FastRecovery (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static void	newReno_FastRecovery (PNETSIM_SOCKET s, PCONGESTIONVAR var)
static UINT32	bictcp_recalc_ssthresh (PNETSIM_SOCKET sk)
static void	bictcp_update (PNETSIM_SOCKET sk)
static void	bictcp_cong_avoid (PNETSIM_SOCKET sk, UINT32 segmentAcked)
static void	bictcp_fastretransmit (PNETSIM_SOCKET s)
static void	bictcp_acked (PNETSIM_SOCKET sk)
static void	oldtahoe_ack_received (PNETSIM_SOCKET s)
static void	tahoe_ack_received (PNETSIM_SOCKET s)
static void	reno_ack_received (PNETSIM_SOCKET s)
static void	newreno_ack_received (PNETSIM_SOCKET s)
static void	bic_ack_received (PNETSIM_SOCKET s)
static void	congestion_rto_timeout (PNETSIM_SOCKET s)
void	congestion_setcallback (PNETSIM_SOCKET s)

Macro Definition Documentation

ACK_RATIO_SHIFT

#define ACK_RATIO_SHIFT   4

Definition at line 43 of file Congestion.c.

BICTCP_B

#define BICTCP_B

Value:

                    4   /*
                    * In binary search,
                    * go to point (max+min)/N
                    */

Definition at line 27 of file Congestion.c.

BICTCP_BETA_SCALE

#define BICTCP_BETA_SCALE

Value:

                                1024    /* Scale factor beta calculation
                                * max_cwnd = snd_cwnd * beta
                                */

Definition at line 25 of file Congestion.c.

Typedef Documentation

BIC

typedef struct stru_bic BIC

CONGESTIONVAR

typedef struct stru_congestion_var CONGESTIONVAR

PBIC

typedef struct stru_bic* PBIC

PCONGESTIONVAR

typedef struct stru_congestion_var* PCONGESTIONVAR

Function Documentation

bic_ack_received()

static void bic_ack_received ( PNETSIM_SOCKET  s )

static

Definition at line 785 of file Congestion.c.

bictcp_acked()

static void bictcp_acked ( PNETSIM_SOCKET  sk )

static

Definition at line 625 of file Congestion.c.

bictcp_cong_avoid()

static void bictcp_cong_avoid ( PNETSIM_SOCKET  sk, UINT32  segmentAcked  )

static

Definition at line 544 of file Congestion.c.

bictcp_fastretransmit()

static void bictcp_fastretransmit ( PNETSIM_SOCKET  s )

static

Definition at line 578 of file Congestion.c.

bictcp_init()

static void bictcp_init ( PNETSIM_SOCKET  sk, PTCP_DEV_VAR  tcp  )

static

Definition at line 229 of file Congestion.c.

bictcp_recalc_ssthresh()

static UINT32 bictcp_recalc_ssthresh ( PNETSIM_SOCKET  sk )

static

Definition at line 439 of file Congestion.c.

Here is the call graph for this function:

bictcp_reset()

static void bictcp_reset ( PBIC  ca )

inlinestatic

Definition at line 219 of file Congestion.c.

Here is the call graph for this function:

bictcp_update()

static void bictcp_update ( PNETSIM_SOCKET  sk )

inlinestatic

Definition at line 468 of file Congestion.c.

congestion_get_MSS()

static UINT16 congestion_get_MSS ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 117 of file Congestion.c.

congestion_get_RCV_WND()

static UINT32 congestion_get_RCV_WND ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 127 of file Congestion.c.

Here is the call graph for this function:

congestion_get_WND()

static UINT16 congestion_get_WND ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 122 of file Congestion.c.

Here is the call graph for this function:

congestion_rto_timeout()

static void congestion_rto_timeout ( PNETSIM_SOCKET  s )

static

Definition at line 829 of file Congestion.c.

congestion_set_IW()

static void congestion_set_IW ( PNETSIM_SOCKET  s )

static

Definition at line 298 of file Congestion.c.

congestion_set_MSS()

static void congestion_set_MSS ( PNETSIM_SOCKET  s, UINT16  mss  )

static

Definition at line 311 of file Congestion.c.

congestion_setcallback()

void congestion_setcallback

(

PNETSIM_SOCKET

s

)

Definition at line 853 of file Congestion.c.

Here is the caller graph for this function:

CongestionAvoidance()

static void CongestionAvoidance ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 345 of file Congestion.c.

cubic_ack_received()

void cubic_ack_received

(

PNETSIM_SOCKET

s

)

Definition at line 693 of file CUBIC.c.

FastRecovery()

static void FastRecovery ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 406 of file Congestion.c.

FastRetransmit()

static void FastRetransmit ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 358 of file Congestion.c.

get_congestionvar()

static PCONGESTIONVAR get_congestionvar ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 107 of file Congestion.c.

Here is the caller graph for this function:

get_cwnd()

static UINT32 get_cwnd ( PNETSIM_SOCKET  s )

static

Definition at line 186 of file Congestion.c.

Here is the caller graph for this function:

get_cwnd_print()

UINT32 get_cwnd_print

(

PNETSIM_SOCKET

s

)

Definition at line 200 of file Congestion.c.

Here is the caller graph for this function:

get_ssthres()

static UINT32 get_ssthres ( PNETSIM_SOCKET  s )

static

Definition at line 155 of file Congestion.c.

Here is the caller graph for this function:

increase_cwnd()

static void increase_cwnd ( PNETSIM_SOCKET  s, UINT16  increase  )

static

Definition at line 273 of file Congestion.c.

init_congestion()

static void init_congestion ( PNETSIM_SOCKET  s )

static

Definition at line 243 of file Congestion.c.

init_cubic()

void init_cubic

(

PNETSIM_SOCKET

s

)

Definition at line 290 of file CUBIC.c.

isBIC()

static bool isBIC ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 83 of file Congestion.c.

isDupAck()

static bool isDupAck ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 325 of file Congestion.c.

isFastRecovery()

static bool isFastRecovery ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 100 of file Congestion.c.

isFastRetransmit()

static bool isFastRetransmit ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 93 of file Congestion.c.

isFullAck()

static bool isFullAck ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 330 of file Congestion.c.

isNewReno()

static bool isNewReno ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 88 of file Congestion.c.

isReno()

static bool isReno ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 77 of file Congestion.c.

newreno_ack_received()

static void newreno_ack_received ( PNETSIM_SOCKET  s )

static

Definition at line 739 of file Congestion.c.

newReno_FastRecovery()

static void newReno_FastRecovery ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 413 of file Congestion.c.

oldtahoe_ack_received()

static void oldtahoe_ack_received ( PNETSIM_SOCKET  s )

static

Definition at line 636 of file Congestion.c.

reno_ack_received()

static void reno_ack_received ( PNETSIM_SOCKET  s )

static

Definition at line 698 of file Congestion.c.

set_congestionvar()

static void set_congestionvar ( PNETSIM_SOCKET  s, PCONGESTIONVAR  data  )

inlinestatic

Definition at line 112 of file Congestion.c.

set_cwnd()

static void set_cwnd ( PNETSIM_SOCKET  s, UINT32  newcwnd  )

static

Definition at line 169 of file Congestion.c.

set_ssthres()

static void set_ssthres ( PNETSIM_SOCKET  s, UINT32  newssthres  )

static

Definition at line 141 of file Congestion.c.

slowStart()

static void slowStart ( PNETSIM_SOCKET  s, PCONGESTIONVAR  var  )

static

Definition at line 335 of file Congestion.c.

tahoe_ack_received()

static void tahoe_ack_received ( PNETSIM_SOCKET  s )

static

Definition at line 656 of file Congestion.c.

tcp_in_slow_start()

static bool tcp_in_slow_start ( PNETSIM_SOCKET  s )

inlinestatic

Definition at line 214 of file Congestion.c.