Add support for the TP-Link TG-3468 v2.

This is an RTL8168 chip, which we already support so all we have to do is add
the vendor ID.

PR:	212876
Submitted by:	Tobias Kortkamp <t@tobik.me>
MFC after:	3 days

share/man/man4/re.4

@@ -30,7 +30,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 26, 2011
+.Dd September 21, 2016
 .Dt RE 4
 .Os
 .Sh NAME
@@ -165,6 +165,8 @@ LinkSys EG1032 (32-bit PCI)
 .It
 PLANEX COMMUNICATIONS Inc.\& GN-1200TC (8169S)
 .It
+TP-Link TG-3468 v2 Gigabit Ethernet (8168)
+.It
 USRobotics USR997902 Gigabit Ethernet (8169S)
 .It
 Xterasys XN-152 10/100/1000 NIC (8169)

sys/dev/re/if_re.c

@@ -183,6 +183,8 @@ static const struct rl_type re_devs[] = {
 	    "RealTek 810xE PCIe 10/100baseTX" },
 	{ RT_VENDORID, RT_DEVICEID_8168, 0,
 	    "RealTek 8168/8111 B/C/CP/D/DP/E/F/G PCIe Gigabit Ethernet" },
+	{ NCUBE_VENDORID, RT_DEVICEID_8168, 0,
+	    "TP-Link TG-3468 v2 (RTL8168) Gigabit Ethernet" },
 	{ RT_VENDORID, RT_DEVICEID_8169, 0,
 	    "RealTek 8169/8169S/8169SB(L)/8110S/8110SB(L) Gigabit Ethernet" },
 	{ RT_VENDORID, RT_DEVICEID_8169SC, 0,

sys/dev/rl/if_rlreg.h

@@ -1158,3 +1158,8 @@ struct rl_softc {
 /* US Robotics 997902 device ID */
 
 #define	USR_DEVICEID_997902	0x0116
+
+/* 
+ * NCube vendor ID
+ */
+#define	NCUBE_VENDORID		0x10FF