Index: pci/if_rlreg.h
===================================================================
--- pci/if_rlreg.h	(revision 202292)
+++ pci/if_rlreg.h	(working copy)
@@ -146,6 +146,7 @@
 #define RL_TXCFG_IFG2		0x00080000	/* 8169 only */
 #define RL_TXCFG_IFG		0x03000000	/* interframe gap */
 #define RL_TXCFG_HWREV		0x7CC00000
+#define	RL_TXCFG_MACMODE	0x00700000
 
 #define RL_LOOPTEST_OFF		0x00000000
 #define RL_LOOPTEST_ON		0x00020000
Index: dev/re/if_re.c
===================================================================
--- dev/re/if_re.c	(revision 202292)
+++ dev/re/if_re.c	(working copy)
@@ -1236,9 +1236,9 @@
 		hwrev &= RL_TXCFG_HWREV;
 		break;
 	}
-	device_printf(dev, "MAC rev. 0x%08x\n", hwrev & 0x00700000);
+	device_printf(dev, "MAC rev. 0x%08x\n", hwrev & RL_TXCFG_MACMODE);
 	while (hw_rev->rl_desc != NULL) {
-		if (hw_rev->rl_rev == hwrev) {
+		if (hw_rev->rl_rev == (hwrev & ~RL_TXCFG_MACMODE)) {
 			sc->rl_type = hw_rev->rl_type;
 			sc->rl_hwrev = hw_rev->rl_rev;
 			break;
@@ -1279,7 +1279,7 @@
 		sc->rl_flags |= RL_FLAG_MACSLEEP;
 		/* FALLTHROUGH */
 	case RL_HWREV_8168C:
-		if ((hwrev & 0x00700000) == 0x00200000)
+		if ((hwrev & RL_TXCFG_MACMODE) == 0x00200000)
 			sc->rl_flags |= RL_FLAG_MACSLEEP;
 		/* FALLTHROUGH */
 	case RL_HWREV_8168CP: