3 files changed, 102 insertions, 186 deletions

diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 20e887de254..04426170338 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -49,11 +49,13 @@
 typedef irqreturn_t(*intr_handler_t) (int, void *);
 
 struct vlan_group;
-
 struct adapter;
+struct sge_qset;
+
 struct port_info {
 	struct adapter *adapter;
 	struct vlan_group *vlan_grp;
+	struct sge_qset *qs;
 	const struct port_type_info *port_type;
 	u8 port_id;
 	u8 rx_csum_offload;
@@ -173,10 +175,12 @@ enum {				/* per port SGE statistics */
 };
 
 struct sge_qset {		/* an SGE queue set */
+	struct adapter *adap;
+	struct napi_struct napi;
 	struct sge_rspq rspq;
 	struct sge_fl fl[SGE_RXQ_PER_SET];
 	struct sge_txq txq[SGE_TXQ_PER_SET];
-	struct net_device *netdev;	/* associated net device */
+	struct net_device *netdev;
 	unsigned long txq_stopped;	/* which Tx queues are stopped */
 	struct timer_list tx_reclaim_timer;	/* reclaims TX buffers */
 	unsigned long port_stats[SGE_PSTAT_MAX];
@@ -221,12 +225,6 @@ struct adapter {
 	struct delayed_work adap_check_task;
 	struct work_struct ext_intr_handler_task;
 
-	/*
-	 * Dummy netdevices are needed when using multiple receive queues with
-	 * NAPI as each netdevice can service only one queue.
-	 */
-	struct net_device *dummy_netdev[SGE_QSETS - 1];
-
 	struct dentry *debugfs_root;
 
 	struct mutex mdio_lock;
@@ -253,12 +251,6 @@ static inline struct port_info *adap2pinfo(struct adapter *adap, int idx)
 	return netdev_priv(adap->port[idx]);
 }
 
-/*
- * We use the spare atalk_ptr to map a net device to its SGE queue set.
- * This is a macro so it can be used as l-value.
- */
-#define dev2qset(netdev) ((netdev)->atalk_ptr)
-
 #define OFFLOAD_DEVMAP_BIT 15
 
 #define tdev2adap(d) container_of(d, struct adapter, tdev)
@@ -284,7 +276,7 @@ int t3_mgmt_tx(struct adapter *adap, struct sk_buff *skb);
 void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p);
 int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
 		      int irq_vec_idx, const struct qset_params *p,
-		      int ntxq, struct net_device *netdev);
+		      int ntxq, struct net_device *dev);
 int t3_get_desc(const struct sge_qset *qs, unsigned int qnum, unsigned int idx,
 		unsigned char *data);
 irqreturn_t t3_sge_intr_msix(int irq, void *cookie);
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 5ab319cfe5d..5db7d4e27ec 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -339,49 +339,17 @@ static void setup_rss(struct adapter *adap)
 		      V_RRCPLCPUSIZE(6), cpus, rspq_map);
 }
 
-/*
- * If we have multiple receive queues per port serviced by NAPI we need one
- * netdevice per queue as NAPI operates on netdevices.  We already have one
- * netdevice, namely the one associated with the interface, so we use dummy
- * ones for any additional queues.  Note that these netdevices exist purely
- * so that NAPI has something to work with, they do not represent network
- * ports and are not registered.
- */
-static int init_dummy_netdevs(struct adapter *adap)
+static void init_napi(struct adapter *adap)
 {
-	int i, j, dummy_idx = 0;
-	struct net_device *nd;
-
-	for_each_port(adap, i) {
-		struct net_device *dev = adap->port[i];
-		const struct port_info *pi = netdev_priv(dev);
-
-		for (j = 0; j < pi->nqsets - 1; j++) {
-			if (!adap->dummy_netdev[dummy_idx]) {
-				struct port_info *p;
-
-				nd = alloc_netdev(sizeof(*p), "", ether_setup);
-				if (!nd)
-					goto free_all;
+	int i;
 
-				p = netdev_priv(nd);
-				p->adapter = adap;
-				nd->weight = 64;
-				set_bit(__LINK_STATE_START, &nd->state);
-				adap->dummy_netdev[dummy_idx] = nd;
-			}
-			strcpy(adap->dummy_netdev[dummy_idx]->name, dev->name);
-			dummy_idx++;
-		}
-	}
-	return 0;
+	for (i = 0; i < SGE_QSETS; i++) {
+		struct sge_qset *qs = &adap->sge.qs[i];
 
-free_all:
-	while (--dummy_idx >= 0) {
-		free_netdev(adap->dummy_netdev[dummy_idx]);
-		adap->dummy_netdev[dummy_idx] = NULL;
+		if (qs->adap)
+			netif_napi_add(qs->netdev, &qs->napi, qs->napi.poll,
+				       64);
 	}
-	return -ENOMEM;
 }
 
 /*
@@ -392,20 +360,18 @@ free_all:
 static void quiesce_rx(struct adapter *adap)
 {
 	int i;
-	struct net_device *dev;
 
-	for_each_port(adap, i) {
-		dev = adap->port[i];
-		while (test_bit(__LINK_STATE_RX_SCHED, &dev->state))
-			msleep(1);
-	}
+	for (i = 0; i < SGE_QSETS; i++)
+		if (adap->sge.qs[i].adap)
+			napi_disable(&adap->sge.qs[i].napi);
+}
 
-	for (i = 0; i < ARRAY_SIZE(adap->dummy_netdev); i++) {
-		dev = adap->dummy_netdev[i];
-		if (dev)
-			while (test_bit(__LINK_STATE_RX_SCHED, &dev->state))
-				msleep(1);
-	}
+static void enable_all_napi(struct adapter *adap)
+{
+	int i;
+	for (i = 0; i < SGE_QSETS; i++)
+		if (adap->sge.qs[i].adap)
+			napi_enable(&adap->sge.qs[i].napi);
 }
 
 /**
@@ -418,7 +384,7 @@ static void quiesce_rx(struct adapter *adap)
  */
 static int setup_sge_qsets(struct adapter *adap)
 {
-	int i, j, err, irq_idx = 0, qset_idx = 0, dummy_dev_idx = 0;
+	int i, j, err, irq_idx = 0, qset_idx = 0;
 	unsigned int ntxq = SGE_TXQ_PER_SET;
 
 	if (adap->params.rev > 0 && !(adap->flags & USING_MSI))
@@ -426,15 +392,14 @@ static int setup_sge_qsets(struct adapter *adap)
 
 	for_each_port(adap, i) {
 		struct net_device *dev = adap->port[i];
-		const struct port_info *pi = netdev_priv(dev);
+		struct port_info *pi = netdev_priv(dev);
 
+		pi->qs = &adap->sge.qs[pi->first_qset];
 		for (j = 0; j < pi->nqsets; ++j, ++qset_idx) {
 			err = t3_sge_alloc_qset(adap, qset_idx, 1,
 				(adap->flags & USING_MSIX) ? qset_idx + 1 :
 							     irq_idx,
-				&adap->params.sge.qset[qset_idx], ntxq,
-				j == 0 ? dev :
-					 adap-> dummy_netdev[dummy_dev_idx++]);
+				&adap->params.sge.qset[qset_idx], ntxq, dev);
 			if (err) {
 				t3_free_sge_resources(adap);
 				return err;
@@ -845,21 +810,18 @@ static int cxgb_up(struct adapter *adap)
 				goto out;
 		}
 
-		err = init_dummy_netdevs(adap);
-		if (err)
-			goto out;
-
 		err = t3_init_hw(adap, 0);
 		if (err)
 			goto out;
 
 		t3_write_reg(adap, A_ULPRX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12));
-		
+
 		err = setup_sge_qsets(adap);
 		if (err)
 			goto out;
 
 		setup_rss(adap);
+		init_napi(adap);
 		adap->flags |= FULL_INIT_DONE;
 	}
 
@@ -886,6 +848,7 @@ static int cxgb_up(struct adapter *adap)
 				      adap->name, adap)))
 		goto irq_err;
 
+	enable_all_napi(adap);
 	t3_sge_start(adap);
 	t3_intr_enable(adap);
 
@@ -1012,8 +975,10 @@ static int cxgb_open(struct net_device *dev)
 	int other_ports = adapter->open_device_map & PORT_MASK;
 	int err;
 
-	if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0)
+	if (!adapter->open_device_map && (err = cxgb_up(adapter)) < 0) {
+		quiesce_rx(adapter);
 		return err;
+	}
 
 	set_bit(pi->port_id, &adapter->open_device_map);
 	if (is_offload(adapter) && !ofld_disable) {
@@ -2524,7 +2489,6 @@ static int __devinit init_one(struct pci_dev *pdev,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 		netdev->poll_controller = cxgb_netpoll;
 #endif
-		netdev->weight = 64;
 
 		SET_ETHTOOL_OPS(netdev, &cxgb_ethtool_ops);
 	}
@@ -2625,12 +2589,6 @@ static void __devexit remove_one(struct pci_dev *pdev)
 		t3_free_sge_resources(adapter);
 		cxgb_disable_msi(adapter);
 
-		for (i = 0; i < ARRAY_SIZE(adapter->dummy_netdev); i++)
-			if (adapter->dummy_netdev[i]) {
-				free_netdev(adapter->dummy_netdev[i]);
-				adapter->dummy_netdev[i] = NULL;
-			}
-
 		for_each_port(adapter, i)
 			if (adapter->port[i])
 				free_netdev(adapter->port[i]);
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 58a5f60521e..069c1aca8a6 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -591,9 +591,6 @@ void t3_free_qset(struct adapter *adapter, struct sge_qset *q)
 				  q->rspq.desc, q->rspq.phys_addr);
 	}
 
-	if (q->netdev)
-		q->netdev->atalk_ptr = NULL;
-
 	memset(q, 0, sizeof(*q));
 }
 
@@ -1074,7 +1071,7 @@ int t3_eth_xmit(struct sk_buff *skb, struct net_device *dev)
 	unsigned int ndesc, pidx, credits, gen, compl;
 	const struct port_info *pi = netdev_priv(dev);
 	struct adapter *adap = pi->adapter;
-	struct sge_qset *qs = dev2qset(dev);
+	struct sge_qset *qs = pi->qs;
 	struct sge_txq *q = &qs->txq[TXQ_ETH];
 
 	/*
@@ -1326,13 +1323,12 @@ static void restart_ctrlq(unsigned long data)
 	struct sk_buff *skb;
 	struct sge_qset *qs = (struct sge_qset *)data;
 	struct sge_txq *q = &qs->txq[TXQ_CTRL];
-	const struct port_info *pi = netdev_priv(qs->netdev);
-	struct adapter *adap = pi->adapter;
 
 	spin_lock(&q->lock);
       again:reclaim_completed_tx_imm(q);
 
-	while (q->in_use < q->size && (skb = __skb_dequeue(&q->sendq)) != NULL) {
+	while (q->in_use < q->size &&
+	       (skb = __skb_dequeue(&q->sendq)) != NULL) {
 
 		write_imm(&q->desc[q->pidx], skb, skb->len, q->gen);
 
@@ -1354,7 +1350,7 @@ static void restart_ctrlq(unsigned long data)
 	}
 
 	spin_unlock(&q->lock);
-	t3_write_reg(adap, A_SG_KDOORBELL,
+	t3_write_reg(qs->adap, A_SG_KDOORBELL,
 		     F_SELEGRCNTX | V_EGRCNTX(q->cntxt_id));
 }
 
@@ -1638,8 +1634,7 @@ static inline void offload_enqueue(struct sge_rspq *q, struct sk_buff *skb)
 	else {
 		struct sge_qset *qs = rspq_to_qset(q);
 
-		if (__netif_rx_schedule_prep(qs->netdev))
-			__netif_rx_schedule(qs->netdev);
+		napi_schedule(&qs->napi);
 		q->rx_head = skb;
 	}
 	q->rx_tail = skb;
@@ -1675,34 +1670,30 @@ static inline void deliver_partial_bundle(struct t3cdev *tdev,
  *	receive handler.  Batches need to be of modest size as we do prefetches
  *	on the packets in each.
  */
-static int ofld_poll(struct net_device *dev, int *budget)
+static int ofld_poll(struct napi_struct *napi, int budget)
 {
-	const struct port_info *pi = netdev_priv(dev);
-	struct adapter *adapter = pi->adapter;
-	struct sge_qset *qs = dev2qset(dev);
+	struct sge_qset *qs = container_of(napi, struct sge_qset, napi);
 	struct sge_rspq *q = &qs->rspq;
-	int work_done, limit = min(*budget, dev->quota), avail = limit;
+	struct adapter *adapter = qs->adap;
+	int work_done = 0;
 
-	while (avail) {
+	while (work_done < budget) {
 		struct sk_buff *head, *tail, *skbs[RX_BUNDLE_SIZE];
 		int ngathered;
 
 		spin_lock_irq(&q->lock);
 		head = q->rx_head;
 		if (!head) {
-			work_done = limit - avail;
-			*budget -= work_done;
-			dev->quota -= work_done;
-			__netif_rx_complete(dev);
+			napi_complete(napi);
 			spin_unlock_irq(&q->lock);
-			return 0;
+			return work_done;
 		}
 
 		tail = q->rx_tail;
 		q->rx_head = q->rx_tail = NULL;
 		spin_unlock_irq(&q->lock);
 
-		for (ngathered = 0; avail && head; avail--) {
+		for (ngathered = 0; work_done < budget && head; work_done++) {
 			prefetch(head->data);
 			skbs[ngathered] = head;
 			head = head->next;
@@ -1724,10 +1715,8 @@ static int ofld_poll(struct net_device *dev, int *budget)
 		}
 		deliver_partial_bundle(&adapter->tdev, q, skbs, ngathered);
 	}
-	work_done = limit - avail;
-	*budget -= work_done;
-	dev->quota -= work_done;
-	return 1;
+
+	return work_done;
 }
 
 /**
@@ -2071,50 +2060,47 @@ static inline int is_pure_response(const struct rsp_desc *r)
 
 /**
  *	napi_rx_handler - the NAPI handler for Rx processing
- *	@dev: the net device
+ *	@napi: the napi instance
  *	@budget: how many packets we can process in this round
  *
  *	Handler for new data events when using NAPI.
  */
-static int napi_rx_handler(struct net_device *dev, int *budget)
+static int napi_rx_handler(struct napi_struct *napi, int budget)
 {
-	const struct port_info *pi = netdev_priv(dev);
-	struct adapter *adap = pi->adapter;
-	struct sge_qset *qs = dev2qset(dev);
-	int effective_budget = min(*budget, dev->quota);
-
-	int work_done = process_responses(adap, qs, effective_budget);
-	*budget -= work_done;
-	dev->quota -= work_done;
+	struct sge_qset *qs = container_of(napi, struct sge_qset, napi);
+	struct adapter *adap = qs->adap;
+	int work_done = process_responses(adap, qs, budget);
 
-	if (work_done >= effective_budget)
-		return 1;
-
-	netif_rx_complete(dev);
+	if (likely(work_done < budget)) {
+		napi_complete(napi);
 
-	/*
-	 * Because we don't atomically flush the following write it is
-	 * possible that in very rare cases it can reach the device in a way
-	 * that races with a new response being written plus an error interrupt
-	 * causing the NAPI interrupt handler below to return unhandled status
-	 * to the OS.  To protect against this would require flushing the write
-	 * and doing both the write and the flush with interrupts off.  Way too
-	 * expensive and unjustifiable given the rarity of the race.
-	 *
-	 * The race cannot happen at all with MSI-X.
-	 */
-	t3_write_reg(adap, A_SG_GTS, V_RSPQ(qs->rspq.cntxt_id) |
-		     V_NEWTIMER(qs->rspq.next_holdoff) |
-		     V_NEWINDEX(qs->rspq.cidx));
-	return 0;
+		/*
+		 * Because we don't atomically flush the following
+		 * write it is possible that in very rare cases it can
+		 * reach the device in a way that races with a new
+		 * response being written plus an error interrupt
+		 * causing the NAPI interrupt handler below to return
+		 * unhandled status to the OS.  To protect against
+		 * this would require flushing the write and doing
+		 * both the write and the flush with interrupts off.
+		 * Way too expensive and unjustifiable given the
+		 * rarity of the race.
+		 *
+		 * The race cannot happen at all with MSI-X.
+		 */
+		t3_write_reg(adap, A_SG_GTS, V_RSPQ(qs->rspq.cntxt_id) |
+			     V_NEWTIMER(qs->rspq.next_holdoff) |
+			     V_NEWINDEX(qs->rspq.cidx));
+	}
+	return work_done;
 }
 
 /*
  * Returns true if the device is already scheduled for polling.
  */
-static inline int napi_is_scheduled(struct net_device *dev)
+static inline int napi_is_scheduled(struct napi_struct *napi)
 {
-	return test_bit(__LINK_STATE_RX_SCHED, &dev->state);
+	return test_bit(NAPI_STATE_SCHED, &napi->state);
 }
 
 /**
@@ -2197,8 +2183,7 @@ static inline int handle_responses(struct adapter *adap, struct sge_rspq *q)
 			     V_NEWTIMER(q->holdoff_tmr) | V_NEWINDEX(q->cidx));
 		return 0;
 	}
-	if (likely(__netif_rx_schedule_prep(qs->netdev)))
-		__netif_rx_schedule(qs->netdev);
+	napi_schedule(&qs->napi);
 	return 1;
 }
 
@@ -2209,8 +2194,7 @@ static inline int handle_responses(struct adapter *adap, struct sge_rspq *q)
 irqreturn_t t3_sge_intr_msix(int irq, void *cookie)
 {
 	struct sge_qset *qs = cookie;
-	const struct port_info *pi = netdev_priv(qs->netdev);
-	struct adapter *adap = pi->adapter;
+	struct adapter *adap = qs->adap;
 	struct sge_rspq *q = &qs->rspq;
 
 	spin_lock(&q->lock);
@@ -2229,13 +2213,11 @@ irqreturn_t t3_sge_intr_msix(int irq, void *cookie)
 irqreturn_t t3_sge_intr_msix_napi(int irq, void *cookie)
 {
 	struct sge_qset *qs = cookie;
-	const struct port_info *pi = netdev_priv(qs->netdev);
-	struct adapter *adap = pi->adapter;
 	struct sge_rspq *q = &qs->rspq;
 
 	spin_lock(&q->lock);
 
-	if (handle_responses(adap, q) < 0)
+	if (handle_responses(qs->adap, q) < 0)
 		q->unhandled_irqs++;
 	spin_unlock(&q->lock);
 	return IRQ_HANDLED;
@@ -2278,11 +2260,13 @@ static irqreturn_t t3_intr_msi(int irq, void *cookie)
 	return IRQ_HANDLED;
 }
 
-static int rspq_check_napi(struct net_device *dev, struct sge_rspq *q)
+static int rspq_check_napi(struct sge_qset *qs)
 {
-	if (!napi_is_scheduled(dev) && is_new_response(&q->desc[q->cidx], q)) {
-		if (likely(__netif_rx_schedule_prep(dev)))
-			__netif_rx_schedule(dev);
+	struct sge_rspq *q = &qs->rspq;
+
+	if (!napi_is_scheduled(&qs->napi) &&
+	    is_new_response(&q->desc[q->cidx], q)) {
+		napi_schedule(&qs->napi);
 		return 1;
 	}
 	return 0;
@@ -2303,10 +2287,9 @@ irqreturn_t t3_intr_msi_napi(int irq, void *cookie)
 
 	spin_lock(&q->lock);
 
-	new_packets = rspq_check_napi(adap->sge.qs[0].netdev, q);
+	new_packets = rspq_check_napi(&adap->sge.qs[0]);
 	if (adap->params.nports == 2)
-		new_packets += rspq_check_napi(adap->sge.qs[1].netdev,
-					       &adap->sge.qs[1].rspq);
+		new_packets += rspq_check_napi(&adap->sge.qs[1]);
 	if (!new_packets && t3_slow_intr_handler(adap) == 0)
 		q->unhandled_irqs++;
 
@@ -2409,9 +2392,9 @@ static irqreturn_t t3b_intr(int irq, void *cookie)
 static irqreturn_t t3b_intr_napi(int irq, void *cookie)
 {
 	u32 map;
-	struct net_device *dev;
 	struct adapter *adap = cookie;
-	struct sge_rspq *q0 = &adap->sge.qs[0].rspq;
+	struct sge_qset *qs0 = &adap->sge.qs[0];
+	struct sge_rspq *q0 = &qs0->rspq;
 
 	t3_write_reg(adap, A_PL_CLI, 0);
 	map = t3_read_reg(adap, A_SG_DATA_INTR);
@@ -2424,18 +2407,11 @@ static irqreturn_t t3b_intr_napi(int irq, void *cookie)
 	if (unlikely(map & F_ERRINTR))
 		t3_slow_intr_handler(adap);
 
-	if (likely(map & 1)) {
-		dev = adap->sge.qs[0].netdev;
-
-		if (likely(__netif_rx_schedule_prep(dev)))
-			__netif_rx_schedule(dev);
-	}
-	if (map & 2) {
-		dev = adap->sge.qs[1].netdev;
+	if (likely(map & 1))
+		napi_schedule(&qs0->napi);
 
-		if (likely(__netif_rx_schedule_prep(dev)))
-			__netif_rx_schedule(dev);
-	}
+	if (map & 2)
+		napi_schedule(&adap->sge.qs[1].napi);
 
 	spin_unlock(&q0->lock);
 	return IRQ_HANDLED;
@@ -2514,8 +2490,7 @@ static void sge_timer_cb(unsigned long data)
 {
 	spinlock_t *lock;
 	struct sge_qset *qs = (struct sge_qset *)data;
-	const struct port_info *pi = netdev_priv(qs->netdev);
-	struct adapter *adap = pi->adapter;
+	struct adapter *adap = qs->adap;
 
 	if (spin_trylock(&qs->txq[TXQ_ETH].lock)) {
 		reclaim_completed_tx(adap, &qs->txq[TXQ_ETH]);
@@ -2526,9 +2501,9 @@ static void sge_timer_cb(unsigned long data)
 		spin_unlock(&qs->txq[TXQ_OFLD].lock);
 	}
 	lock = (adap->flags & USING_MSIX) ? &qs->rspq.lock :
-	    &adap->sge.qs[0].rspq.lock;
+					    &adap->sge.qs[0].rspq.lock;
 	if (spin_trylock_irq(lock)) {
-		if (!napi_is_scheduled(qs->netdev)) {
+		if (!napi_is_scheduled(&qs->napi)) {
 			u32 status = t3_read_reg(adap, A_SG_RSPQ_FL_STATUS);
 
 			if (qs->fl[0].credits < qs->fl[0].size)
@@ -2562,12 +2537,9 @@ static void sge_timer_cb(unsigned long data)
  */
 void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p)
 {
-	if (!qs->netdev)
-		return;
-
 	qs->rspq.holdoff_tmr = max(p->coalesce_usecs * 10, 1U);/* can't be 0 */
 	qs->rspq.polling = p->polling;
-	qs->netdev->poll = p->polling ? napi_rx_handler : ofld_poll;
+	qs->napi.poll = p->polling ? napi_rx_handler : ofld_poll;
 }
 
 /**
@@ -2587,7 +2559,7 @@ void t3_update_qset_coalesce(struct sge_qset *qs, const struct qset_params *p)
  */
 int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
 		      int irq_vec_idx, const struct qset_params *p,
-		      int ntxq, struct net_device *netdev)
+		      int ntxq, struct net_device *dev)
 {
 	int i, ret = -ENOMEM;
 	struct sge_qset *q = &adapter->sge.qs[id];
@@ -2708,16 +2680,10 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
 	}
 
 	spin_unlock(&adapter->sge.reg_lock);
-	q->netdev = netdev;
-	t3_update_qset_coalesce(q, p);
 
-	/*
-	 * We use atalk_ptr as a backpointer to a qset.  In case a device is
-	 * associated with multiple queue sets only the first one sets
-	 * atalk_ptr.
-	 */
-	if (netdev->atalk_ptr == NULL)
-		netdev->atalk_ptr = q;
+	q->adap = adapter;
+	q->netdev = dev;
+	t3_update_qset_coalesce(q, p);
 
 	refill_fl(adapter, &q->fl[0], q->fl[0].size, GFP_KERNEL);
 	refill_fl(adapter, &q->fl[1], q->fl[1].size, GFP_KERNEL);