--- if_mxge.c	2008-01-15 14:14:24.000000000 -0500
+++ if_mxge.c.fake_ifp	2008-01-15 14:09:20.000000000 -0500
@@ -97,7 +97,11 @@
 static int mxge_ticks;
 static int mxge_max_slices = 1;
 static int mxge_rss_hash_type = MXGEFW_RSS_HASH_TYPE_SRC_PORT;
+#ifdef MXGE_FAKE_IFP
+static int mxge_always_promisc = 1;
+#else
 static int mxge_always_promisc = 0;
+#endif
 static char *mxge_fw_unaligned = "mxge_ethp_z8e";
 static char *mxge_fw_aligned = "mxge_eth_z8e";
 static char *mxge_fw_rss_aligned = "mxge_rss_eth_z8e";
@@ -2357,6 +2361,9 @@
 		m->m_pkthdr.csum_data = 0xffff;
 		m->m_pkthdr.csum_flags = CSUM_PSEUDO_HDR | CSUM_DATA_VALID;
 	}
+#ifdef MXGE_FAKE_IFP
+	ETHER_BPF_MTAP(ss->fake_ifp, m);
+#endif
 	/* pass the frame up the stack */
 	(*ifp->if_input)(ifp, m);
 }
@@ -2417,6 +2424,9 @@
 		m->m_pkthdr.csum_data = 0xffff;
 		m->m_pkthdr.csum_flags = CSUM_PSEUDO_HDR | CSUM_DATA_VALID;
 	}
+#ifdef MXGE_FAKE_IFP
+	ETHER_BPF_MTAP(ss->fake_ifp, m);
+#endif
 	/* pass the frame up the stack */
 	(*ifp->if_input)(ifp, m);
 }
@@ -3697,6 +3707,91 @@
 	}
 }
 
+#ifdef MXGE_FAKE_IFP
+
+static int
+mxge_fake_ioctl(struct ifnet *ifp, u_long command, caddr_t data)
+{
+#if 0
+	struct mxge_slice_state *ss = ifp->sc;
+	mxge_softc_t *sc = ss->sc;
+	int err = ENOTTY;
+#endif
+
+	if (command == SIOCSIFFLAGS)
+		return 0;
+	else
+		return ENOTTY;
+#if 0
+	mtx_lock(&sc->driver_mtx);
+	if ((sc->ifp->if_flags & IFF_UP) == 0)
+		goto abort_with_mtx;
+
+	if ((sc->ifp->if_flags & IFF_UP) &&
+	    (sc->ifp->if_drv_flags & IFF_DRV_RUNNING) {
+			if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
+				err = mxge_open(sc);
+				callout_reset(&sc->co_hdl, mxge_ticks,
+					      mxge_tick, sc);
+			} else {
+				/* take care of promis can allmulti
+				   flag chages */
+				mxge_change_promisc(sc, 
+						    ifp->if_flags & IFF_PROMISC);
+				mxge_set_multicast_list(sc);
+			}
+		} else {
+			if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
+				callout_stop(&sc->co_hdl);
+				mxge_close(sc);
+			}
+		}
+
+abort_with_mtx:
+	mtx_unlock(&sc->driver_mtx);
+abort:
+	return err;
+#endif
+}
+
+static void
+mxge_fake_start(struct ifnet *ifp)
+{
+	ifp->if_drv_flags |= IFF_DRV_OACTIVE; 
+}
+static int
+mxge_alloc_fake_ifp(struct mxge_slice_state *ss)
+{
+	struct ifnet *ifp;
+	mxge_softc_t *sc = ss->sc;
+
+	ifp = if_alloc(IFT_ETHER);
+	if (ifp == NULL)
+		return ENOMEM;
+	ss->fake_ifp = ifp;
+	if (sc->fakename[0] == '\0')
+		snprintf(sc->fakename, sizeof (sc->fakename),
+			 "%s:slice", sc->ifp->if_xname);
+	if_initname(ifp, sc->fakename, ss - sc->ss);
+	ifp->if_init = mxge_init;
+	ifp->if_ioctl = mxge_fake_ioctl;
+        ifp->if_start = mxge_fake_start;
+	ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
+	ether_ifattach(ifp, sc->mac_addr);
+	return 0;
+}
+
+static void
+mxge_free_fake_ifp(struct mxge_slice_state *ss)
+{
+	if (ss->fake_ifp == NULL)
+		return;
+
+	ether_ifdetach(ss->fake_ifp);
+	if_free(ss->fake_ifp);
+	ss->fake_ifp = NULL;
+}
+#endif
 
 static void
 mxge_free_slices(mxge_softc_t *sc)
@@ -3719,6 +3814,9 @@
 			mxge_dma_free(&ss->rx_done.dma);
 			ss->rx_done.entry = NULL;
 		}
+#ifdef MXGE_FAKE_IFP
+		mxge_free_fake_ifp(ss);
+#endif
 	}
 	free(sc->ss, M_DEVBUF);
 	sc->ss = NULL;
@@ -3758,6 +3856,11 @@
 		ss->rx_done.entry = ss->rx_done.dma.addr;
 		bzero(ss->rx_done.entry, bytes);
 
+#ifdef MXGE_FAKE_IFP
+		err = mxge_alloc_fake_ifp(ss);
+		if (err != 0)
+			goto abort;
+#endif
 		/* 
 		 * allocate the per-slice firmware stats; stats
 		 * (including tx) are used used only on the first
--- if_mxge_var.h	2008-01-15 14:14:08.000000000 -0500
+++ if_mxge_var.h.fake_ifp	2008-01-15 14:09:32.000000000 -0500
@@ -155,6 +155,9 @@
 	mxge_dma_t fw_stats_dma;
 	struct sysctl_oid *sysctl_tree;
 	struct sysctl_ctx_list sysctl_ctx;
+#ifdef MXGE_FAKE_IFP
+	struct ifnet* fake_ifp;
+#endif
 	char scratch[256];
 };
 
@@ -223,6 +226,9 @@
 	char serial_number_string[64];
 	char cmd_mtx_name[16];
 	char driver_mtx_name[16];
+#ifdef MXGE_FAKE_IFP
+	char fakename[16];
+#endif
 };
 
 #define MXGE_PCI_VENDOR_MYRICOM 	0x14c1