In tcp_now() switch from getnsecuptime() to getnsecruntime()

The tcp timer is not supposed to run during suspend but getnsecuptime() does
and because of this sessions with TCP_KEEPALIVE on reset after a few hours
of sleep.

Problem noticed by mlarkin@, investigation by yasuoka@ additional testing jca@
OK yasuoka@ jca@ cheloha@

diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h
index eb50230..e4931ab 100644 (file)
--- a/sys/netinet/tcp_var.h
+++ b/sys/netinet/tcp_var.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: tcp_var.h,v 1.161 2022/11/07 11:22:55 yasuoka Exp $   */
+/*     $OpenBSD: tcp_var.h,v 1.162 2022/12/13 18:10:55 claudio Exp $   */
 /*     $NetBSD: tcp_var.h,v 1.17 1996/02/13 23:44:24 christos Exp $    */
 
 /*
@@ -641,7 +641,7 @@ tcpstat_pkt(enum tcpstat_counters pcounter, enum tcpstat_counters bcounter,
 static inline uint32_t
 tcp_now(void)
 {
-       return (getnsecuptime() / 1000000);
+       return (getnsecruntime() / 1000000);
 }
 
 #define TCP_TIME_MSEC(_ms)     (_ms)   /* tcp_now() is in milliseconds */