Index: sys/dev/sfxge/sfxge_ev.c
===================================================================
--- sys/dev/sfxge/sfxge_ev.c
+++ sys/dev/sfxge/sfxge_ev.c
@@ -99,7 +99,7 @@
 	KASSERT(evq->index == rxq->index,
 	    ("evq->index != rxq->index"));
 
-	if (rxq->init_state != SFXGE_RXQ_STARTED)
+	if (__predict_false(rxq->init_state != SFXGE_RXQ_STARTED))
 		goto done;
 
 	expected = rxq->pending++ & rxq->ptr_mask;
@@ -244,7 +244,7 @@
 	KASSERT(evq->index == txq->evq_index,
 	    ("evq->index != txq->evq_index"));
 
-	if (txq->init_state != SFXGE_TXQ_STARTED)
+	if (__predict_false(txq->init_state != SFXGE_TXQ_STARTED))
 		goto done;
 
 	stop = (id + 1) & txq->ptr_mask;
@@ -415,7 +415,7 @@
 
 	sx_xlock(&sc->softc_lock);
 
-	if (sc->evq[0]->init_state != SFXGE_EVQ_STARTED)
+	if (__predict_false(sc->evq[0]->init_state != SFXGE_EVQ_STARTED))
 		goto out;
 
 	now = ticks;
@@ -578,8 +578,8 @@
 
 	mtx_lock(&evq->lock);
 
-	if (evq->init_state != SFXGE_EVQ_STARTING &&
-	    evq->init_state != SFXGE_EVQ_STARTED) {
+	if (__predict_false(evq->init_state != SFXGE_EVQ_STARTING &&
+			    evq->init_state != SFXGE_EVQ_STARTED)) {
 		rc = EINVAL;
 		goto fail;
 	}
Index: sys/dev/sfxge/sfxge_intr.c
===================================================================
--- sys/dev/sfxge/sfxge_intr.c
+++ sys/dev/sfxge/sfxge_intr.c
@@ -135,7 +135,7 @@
 	KASSERT(intr->type == EFX_INTR_MESSAGE,
 	    ("intr->type != EFX_INTR_MESSAGE"));
 
-	if (intr->state != SFXGE_INTR_STARTED)
+	if (__predict_false(intr->state != SFXGE_INTR_STARTED))
 		return;
 
 	(void)efx_intr_status_message(enp, index, &fatal);
Index: sys/dev/sfxge/sfxge_port.c
===================================================================
--- sys/dev/sfxge/sfxge_port.c
+++ sys/dev/sfxge/sfxge_port.c
@@ -50,7 +50,7 @@
 
 	mtx_lock(&port->lock);
 
-	if (port->init_state != SFXGE_PORT_STARTED) {
+	if (__predict_false(port->init_state != SFXGE_PORT_STARTED)) {
 		rc = 0;
 		goto out;
 	}
@@ -181,7 +181,7 @@
 
 		port->wanted_fc = fcntl;
 
-		if (port->init_state != SFXGE_PORT_STARTED)
+		if (__predict_false(port->init_state != SFXGE_PORT_STARTED))
 			goto out;
 
 		error = efx_mac_fcntl_set(sc->enp, port->wanted_fc, B_TRUE);
@@ -208,7 +208,8 @@
 	port = &sc->port;
 
 	mtx_lock(&port->lock);
-	if (port->init_state == SFXGE_PORT_STARTED && SFXGE_LINK_UP(sc))
+	if (__predict_true(port->init_state == SFXGE_PORT_STARTED) &&
+	    SFXGE_LINK_UP(sc))
 		efx_mac_fcntl_get(sc->enp, &wanted_fc, &link_fc);
 	else
 		link_fc = 0;
@@ -264,7 +265,7 @@
 
 	mtx_lock(&port->lock);
 
-	if (port->init_state != SFXGE_PORT_STARTED)
+	if (__predict_false(port->init_state != SFXGE_PORT_STARTED))
 		goto done;
 
 	/* This may sleep waiting for MCDI completion */
@@ -331,7 +332,7 @@
 	 * lock is held in sleeping thread. Both problems are repeatable
 	 * on LAG with LACP proto bring up.
 	 */
-	if (port->init_state == SFXGE_PORT_STARTED)
+	if (__predict_true(port->init_state == SFXGE_PORT_STARTED))
 		rc = sfxge_mac_filter_set_locked(sc);
 	else
 		rc = 0;
@@ -455,7 +456,7 @@
 
 	mtx_lock(&port->lock);
 
-	if (port->init_state != SFXGE_PORT_STARTED) {
+	if (__predict_false(port->init_state != SFXGE_PORT_STARTED)) {
 		rc = 0;
 		goto out;
 	}
Index: sys/dev/sfxge/sfxge_rx.c
===================================================================
--- sys/dev/sfxge/sfxge_rx.c
+++ sys/dev/sfxge/sfxge_rx.c
@@ -209,7 +209,7 @@
 
 	mtx_assert(&evq->lock, MA_OWNED);
 
-	if (rxq->init_state != SFXGE_RXQ_STARTED)
+	if (__predict_false(rxq->init_state != SFXGE_RXQ_STARTED))
 		return;
 
 	rxfill = rxq->added - rxq->completed;
@@ -269,7 +269,7 @@
 sfxge_rx_qrefill(struct sfxge_rxq *rxq)
 {
 
-	if (rxq->init_state != SFXGE_RXQ_STARTED)
+	if (__predict_false(rxq->init_state != SFXGE_RXQ_STARTED))
 		return;
 
 	/* Make sure the queue is full */
@@ -760,7 +760,7 @@
 		rx_desc = &rxq->queue[id];
 		m = rx_desc->mbuf;
 
-		if (rxq->init_state != SFXGE_RXQ_STARTED)
+		if (__predict_false(rxq->init_state != SFXGE_RXQ_STARTED))
 			goto discard;
 
 		if (rx_desc->flags & (EFX_ADDR_MISMATCH | EFX_DISCARD))
Index: sys/dev/sfxge/sfxge_tx.c
===================================================================
--- sys/dev/sfxge/sfxge_tx.c
+++ sys/dev/sfxge/sfxge_tx.c
@@ -285,7 +285,7 @@
 	if (mbuf->m_pkthdr.csum_flags & CSUM_TSO)
 		prefetch_read_many(mbuf->m_data);
 
-	if (txq->init_state != SFXGE_TXQ_STARTED) {
+	if (__predict_false(txq->init_state != SFXGE_TXQ_STARTED)) {
 		rc = EINTR;
 		goto reject;
 	}
@@ -1084,7 +1084,7 @@
 
 	mtx_assert(&evq->lock, MA_OWNED);
 
-	if (txq->init_state != SFXGE_TXQ_STARTED)
+	if (__predict_false(txq->init_state != SFXGE_TXQ_STARTED))
 		return;
 
 	mtx_lock(SFXGE_TXQ_LOCK(txq));