freebsd11_network: Enable previously-disabled uses of counter(9).

Tested and verified this doesn't break anything.

src/add-ons/kernel/drivers/network/wlan/iprowifi3945/dev/wpi/if_wpi.c

@@ -2036,10 +2036,7 @@ wpi_rx_done(struct wpi_softc *sc, struct wpi_rx_desc *desc,
 fail2:	m_freem(m);
 
 fail1:
-	return;
-#ifndef __HAIKU__
 	counter_u64_add(ic->ic_ierrors, 1);
-#endif
 }
 
 static void

src/add-ons/kernel/drivers/network/wlan/iprowifi4965/dev/iwn/if_iwn.c

@@ -3016,18 +3016,14 @@ iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
 	if ((flags & IWN_RX_NOERROR) != IWN_RX_NOERROR) {
 		DPRINTF(sc, IWN_DEBUG_RECV, "%s: RX flags error %x\n",
 		    __func__, flags);
-#ifndef __HAIKU__
 		counter_u64_add(ic->ic_ierrors, 1);
-#endif
 		return;
 	}
 	/* Discard frames that are too short. */
 	if (len < sizeof (struct ieee80211_frame_ack)) {
 		DPRINTF(sc, IWN_DEBUG_RECV, "%s: frame too short: %d\n",
 		    __func__, len);
-#ifndef __HAIKU__
 		counter_u64_add(ic->ic_ierrors, 1);
-#endif
 		return;
 	}
 
@@ -3035,9 +3031,7 @@ iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
 	if (m1 == NULL) {
 		DPRINTF(sc, IWN_DEBUG_ANY, "%s: no mbuf to restock ring\n",
 		    __func__);
-#ifndef __HAIKU__
 		counter_u64_add(ic->ic_ierrors, 1);
-#endif
 		return;
 	}
 	bus_dmamap_unload(ring->data_dmat, data->map);
@@ -3062,9 +3056,7 @@ iwn_rx_done(struct iwn_softc *sc, struct iwn_rx_desc *desc,
 		ring->desc[ring->cur] = htole32(paddr >> 8);
 		bus_dmamap_sync(ring->desc_dma.tag, ring->desc_dma.map,
 		    BUS_DMASYNC_PREWRITE);
-#ifndef __HAIKU__
 		counter_u64_add(ic->ic_ierrors, 1);
-#endif
 		return;
 	}
 

src/libs/compat/freebsd11_wlan/net80211/ieee80211.c

@@ -311,10 +311,8 @@ ieee80211_ifattach(struct ieee80211com *ic)
 	    taskqueue_thread_enqueue, &ic->ic_tq);
 	taskqueue_start_threads(&ic->ic_tq, 1, PI_NET, "%s net80211 taskq",
 	    ic->ic_name);
-#ifndef __HAIKU__
 	ic->ic_ierrors = counter_u64_alloc(M_WAITOK);
 	ic->ic_oerrors = counter_u64_alloc(M_WAITOK);
-#endif
 	/*
 	 * Fill in 802.11 available channel set, mark all
 	 * available channels as active, and pick a default
@@ -395,10 +393,8 @@ ieee80211_ifdetach(struct ieee80211com *ic)
 	ieee80211_power_detach(ic);
 	ieee80211_node_detach(ic);
 
-#ifndef __HAIKU__
 	counter_u64_free(ic->ic_ierrors);
 	counter_u64_free(ic->ic_oerrors);
-#endif
 
 	taskqueue_free(ic->ic_tq);
 	IEEE80211_TX_LOCK_DESTROY(ic);
@@ -457,14 +453,12 @@ ieee80211_get_counter(struct ifnet *ifp, ift_counter cnt)
 
 	rv = if_get_counter_default(ifp, cnt);
 	switch (cnt) {
-#ifndef __HAIKU__
 	case IFCOUNTER_OERRORS:
 		rv += counter_u64_fetch(ic->ic_oerrors);
 		break;
 	case IFCOUNTER_IERRORS:
 		rv += counter_u64_fetch(ic->ic_ierrors);
 		break;
-#endif
 	default:
 		break;
 	}