All of snd_wnd, snd_cwnd and snd_ssthresh in stuct tcpcb are u_long,

so use u_long and ulmin() instead of u_int and uimin(). Found by lgtm bot.

XXX TCP's sequence number is uint32_t, so it might be good to change some
entries in struct tcpcb to uint32_t instead of u_long. FreeBSD did it.
This commit is contained in:
msaitoh 2019-10-09 05:29:18 +00:00
parent 916f96072a
commit 53950d8632
1 changed files with 6 additions and 6 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: tcp_congctl.c,v 1.26 2018/09/03 16:29:36 riastradh Exp $ */ /* $NetBSD: tcp_congctl.c,v 1.27 2019/10/09 05:29:18 msaitoh Exp $ */
/*- /*-
* Copyright (c) 1997, 1998, 1999, 2001, 2005, 2006 The NetBSD Foundation, Inc. * Copyright (c) 1997, 1998, 1999, 2001, 2005, 2006 The NetBSD Foundation, Inc.
@ -135,7 +135,7 @@
*/ */
#include <sys/cdefs.h> #include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tcp_congctl.c,v 1.26 2018/09/03 16:29:36 riastradh Exp $"); __KERNEL_RCSID(0, "$NetBSD: tcp_congctl.c,v 1.27 2019/10/09 05:29:18 msaitoh Exp $");
#ifdef _KERNEL_OPT #ifdef _KERNEL_OPT
#include "opt_inet.h" #include "opt_inet.h"
@ -427,12 +427,12 @@ tcp_congctl_fillnames(void)
static void static void
tcp_common_congestion_exp(struct tcpcb *tp, int betaa, int betab) tcp_common_congestion_exp(struct tcpcb *tp, int betaa, int betab)
{ {
u_int win; u_long win;
/* /*
* Reduce the congestion window and the slow start threshold. * Reduce the congestion window and the slow start threshold.
*/ */
win = uimin(tp->snd_wnd, tp->snd_cwnd) * betaa / betab / tp->t_segsz; win = ulmin(tp->snd_wnd, tp->snd_cwnd) * betaa / betab / tp->t_segsz;
if (win < 2) if (win < 2)
win = 2; win = 2;
@ -519,7 +519,7 @@ tcp_reno_fast_retransmit(struct tcpcb *tp, const struct tcphdr *th)
static void static void
tcp_reno_slow_retransmit(struct tcpcb *tp) tcp_reno_slow_retransmit(struct tcpcb *tp)
{ {
u_int win; u_long win;
/* /*
* Close the congestion window down to one segment * Close the congestion window down to one segment
@ -546,7 +546,7 @@ tcp_reno_slow_retransmit(struct tcpcb *tp)
* to go below this.) * to go below this.)
*/ */
win = uimin(tp->snd_wnd, tp->snd_cwnd) / 2 / tp->t_segsz; win = ulmin(tp->snd_wnd, tp->snd_cwnd) / 2 / tp->t_segsz;
if (win < 2) if (win < 2)
win = 2; win = 2;
/* Loss Window MUST be one segment. */ /* Loss Window MUST be one segment. */