nxge(4) deprecation notice

Submitted by:	kbowling
Reviewed by:	brooks
Sponsored by:	Limelight Networks
Differential Revision:	https://reviews.freebsd.org/D15277

share/man/man4/nxge.4

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd October 16, 2007
+.Dd May 3, 2018
 .Dt NXGE 4
 .Os
 .Sh NAME
@@ -44,6 +44,12 @@ module at boot time, place the following line in
 .Bd -literal -offset indent
 if_nxge_load="YES"
 .Ed
+.Sh DEPRECATION NOTICE
+The
+.Nm
+driver is not present in
+.Fx 12.0
+and later.
 .Sh DESCRIPTION
 The
 .Nm

sys/dev/nxge/if_nxge.c

@@ -1006,6 +1006,7 @@ xge_attach(device_t dev)
 attach_out:
 	xge_os_free(NULL, device_config, sizeof(xge_hal_device_config_t));
 attach_out_config:
+	gone_in_dev(dev, 12, "nxge(4) driver");
 	return status;
 }