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Declare some global TCP variables constant.

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OK mvs@
This commit is contained in:
bluhm 2024-12-20 21:30:17 +00:00
parent 4ac9059474
commit 7aa20da420
3 changed files with 8 additions and 8 deletions
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6
sys/netinet/tcp_fsm.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: tcp_fsm.h,v 1.9 2018/02/05 14:53:26 bluhm Exp $ */
/* $OpenBSD: tcp_fsm.h,v 1.10 2024/12/20 21:30:17 bluhm Exp $ */
/* $NetBSD: tcp_fsm.h,v 1.6 1994/10/14 16:01:48 mycroft Exp $ */
/*
@ -68,7 +68,7 @@
* determined by state, with the proviso that TH_FIN is sent only
* if all data queued for output is included in the segment.
*/
u_char tcp_outflags[TCP_NSTATES] = {
const u_char tcp_outflags[TCP_NSTATES] = {
TH_RST|TH_ACK, 0, TH_SYN, TH_SYN|TH_ACK,
TH_ACK, TH_ACK,
TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_FIN|TH_ACK, TH_ACK, TH_ACK,
@ -76,7 +76,7 @@ u_char tcp_outflags[TCP_NSTATES] = {
#endif /* TCPOUTFLAGS */
#ifdef TCPSTATES
const char *tcpstates[] = {
const char *const tcpstates[] = {
"CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD",
"ESTABLISHED", "CLOSE_WAIT", "FIN_WAIT_1", "CLOSING",
"LAST_ACK", "FIN_WAIT_2", "TIME_WAIT",

6
sys/netinet/tcp_timer.c
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@ -1,4 +1,4 @@
/* $OpenBSD: tcp_timer.c,v 1.76 2024/01/28 20:34:25 bluhm Exp $ */
/* $OpenBSD: tcp_timer.c,v 1.77 2024/12/20 21:30:17 bluhm Exp $ */
/* $NetBSD: tcp_timer.c,v 1.14 1996/02/13 23:44:09 christos Exp $ */
/*
@ -167,10 +167,10 @@ tcp_canceltimers(struct tcpcb *tp)
TCP_TIMER_DISARM(tp, i);
}
int tcp_backoff[TCP_MAXRXTSHIFT + 1] =
const int tcp_backoff[TCP_MAXRXTSHIFT + 1] =
{ 1, 2, 4, 8, 16, 32, 64, 64, 64, 64, 64, 64, 64 };
int tcp_totbackoff = 511; /* sum of tcp_backoff[] */
const int tcp_totbackoff = 511; /* sum of tcp_backoff[] */
/*
* TCP timer processing.

4
sys/netinet/tcp_timer.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: tcp_timer.h,v 1.21 2024/01/29 22:47:13 bluhm Exp $ */
/* $OpenBSD: tcp_timer.h,v 1.22 2024/12/20 21:30:17 bluhm Exp $ */
/* $NetBSD: tcp_timer.h,v 1.6 1995/03/26 20:32:37 jtc Exp $ */
/*
@ -160,7 +160,7 @@ extern int tcp_keepidle; /* time before keepalive probes begin */
extern int tcp_keepintvl; /* time between keepalive probes */
extern int tcp_maxidle; /* time to drop after starting probes */
extern int tcp_ttl; /* time to live for TCP segs */
extern int tcp_backoff[];
extern const int tcp_backoff[];
void tcp_timer_init(void);
#endif /* _KERNEL */