Track kern.ipc.somaxconn -> kern.ipc.soacceptqueue rename

Fixes:		2bdf61ca29 ("Hide the unfortunate named sysctl...")
MFC after:	3 days

release/tools/gce.conf

@@ -86,7 +86,7 @@ net.inet.icmp.drop_redirect=1
 net.inet.ip.redirect=0
 net.inet.tcp.blackhole=2
 net.inet.udp.blackhole=1
-kern.ipc.somaxconn=1024
+kern.ipc.ssoacceptqueue=1024
 debug.trace_on_panic=1
 debug.debugger_on_panic=0
 EOF

share/man/man7/tuning.7

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 16, 2020
+.Dd October 11, 2022
 .Dt TUNING 7
 .Os
 .Sh NAME
@@ -482,7 +482,7 @@ By default
 is set at the maximum allowable port number.
 .Pp
 The
-.Va kern.ipc.somaxconn
+.Va kern.ipc.soacceptqueue
 sysctl limits the size of the listen queue for accepting new TCP connections.
 The default value of 128 is typically too low for robust handling of new
 connections in a heavily loaded web server environment.

tools/regression/sockets/listen_backlog/listen_backlog.c

@@ -44,7 +44,7 @@
  *
  * Future things to test:
  *
- * - That if we change the value of kern.ipc.somaxconn, the limits really
+ * - That if we change the value of kern.ipc.soacceptqueue, the limits really
  *   do change.
  *
  * - That limits are, approximately, enforced and implemented.
@@ -55,7 +55,7 @@
  */
 
 /*
- * We retrieve kern.ipc.somaxconn before running the tests in order to use a
+ * We retrieve kern.ipc.soacceptqueue before running the tests in order to use a
  * run-time set value of SOMAXCONN, rather than compile-time set.  We assume
  * that no other process will be simultaneously frobbing it, and these tests
  * may fail if that assumption is not held.
@@ -371,9 +371,9 @@ main(void)
 	size_t len;
 
 	len = sizeof(somaxconn);
-	if (sysctlbyname("kern.ipc.somaxconn", &somaxconn, &len, NULL, 0)
+	if (sysctlbyname("kern.ipc.soacceptqueue", &somaxconn, &len, NULL, 0)
 	    < 0)
-		err(-1, "sysctlbyname(kern.ipc.somaxconn)");
+		err(-1, "sysctlbyname(kern.ipc.soacceptqueue)");
 
 	test_defaults();
 	test_listen_update();