From 765aeed9b058048806b1a0baf21f5d214c894703 Mon Sep 17 00:00:00 2001
From: Ioana Radulescu <ruxandra.radulescu@freescale.com>
Date: Fri, 3 May 2013 15:54:19 +0000
Subject: dpaa_eth: Refactor FQ initialization code

The initialization code for QMan frame queues was becoming
unmanageable, so reorganize it a bit.

At probe time, all FQs are put in a linked list and afterwards
are configured and initialized based on their type.

Change-Id: I69625117fc50a78146599003f6c2089d58c2364f

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@freescale.com>
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Change-Id: I3d1b28e2c6ad189094115f51cc766b8f0499b88b
Reviewed-on: http://git.am.freescale.net:8181/3071
Reviewed-by: Hamciuc Bogdan-BHAMCIU1 <bogdan.hamciuc@freescale.com>
Reviewed-by: Sovaiala Cristian-Constantin-B39531 <Cristian.Sovaiala@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>

diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth-common.h b/drivers/net/ethernet/freescale/dpa/dpaa_eth-common.h
index b3b0fd1..738053c 100644
--- a/drivers/net/ethernet/freescale/dpa/dpaa_eth-common.h
+++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth-common.h
@@ -48,7 +48,8 @@ enum dpa_fq_type {
 	FQ_TYPE_RX_ERROR,       /* Rx Error FQs */
 	FQ_TYPE_RX_PCD,         /* User-defined PCDs */
 	FQ_TYPE_TX,             /* "Real" Tx FQs */
-	FQ_TYPE_TX_CONFIRM,     /* Tx Confirmation FQs (actually Rx FQs) */
+	FQ_TYPE_TX_CONFIRM,     /* Tx default Conf FQ (actually an Rx FQ) */
+	FQ_TYPE_TX_CONF_MQ,     /* Tx conf FQs (one for each Tx FQ) */
 	FQ_TYPE_TX_ERROR,       /* Tx Error FQs (these are actually Rx FQs) */
 #ifdef CONFIG_FSL_DPAA_TX_RECYCLE
 	FQ_TYPE_TX_RECYCLE,	/* Tx FQs for recycleable frames only */
diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpa/dpaa_eth.c
index 2d47c8a..d6eacfe 100644
--- a/drivers/net/ethernet/freescale/dpa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth.c
@@ -585,8 +585,7 @@ static struct qman_fq *_dpa_get_tx_conf_queue(const struct dpa_priv_s *priv,
 	return NULL;
 }
 
-static int __must_check __attribute__((nonnull))
-_dpa_fq_alloc(struct list_head *list, struct dpa_fq *dpa_fq)
+static int dpa_fq_init(struct dpa_fq *dpa_fq)
 {
 	int			 _errno;
 	const struct dpa_priv_s	*priv;
@@ -637,7 +636,8 @@ _dpa_fq_alloc(struct list_head *list, struct dpa_fq *dpa_fq)
 		 * place them in the netdev's CGR, along with the Tx FQs.
 		 */
 		if (dpa_fq->fq_type == FQ_TYPE_TX ||
-				dpa_fq->fq_type == FQ_TYPE_TX_CONFIRM) {
+				dpa_fq->fq_type == FQ_TYPE_TX_CONFIRM ||
+				dpa_fq->fq_type == FQ_TYPE_TX_CONF_MQ) {
 			initfq.we_mask |= QM_INITFQ_WE_CGID;
 			initfq.fqd.fq_ctrl |= QM_FQCTRL_CGE;
 			initfq.fqd.cgid = priv->cgr_data.cgr.cgrid;
@@ -735,7 +735,6 @@ _dpa_fq_alloc(struct list_head *list, struct dpa_fq *dpa_fq)
 	}
 
 	dpa_fq->fqid = qman_fq_fqid(fq);
-	list_add_tail(&dpa_fq->list, list);
 
 	return 0;
 }
@@ -3384,268 +3383,172 @@ static const struct fqid_cell tx_recycle_fqids[] = {
 };
 #endif
 
-static int
-dpa_fq_probe(struct platform_device *_of_dev, struct list_head *list,
-		struct dpa_fq **defq, struct dpa_fq **errq,
-		struct dpa_fq **fqs, struct dpa_fq **txconfq,
-		struct dpa_fq **txrecycle, int ptype)
+static struct dpa_fq *dpa_fq_alloc(struct device *dev,
+				   const struct fqid_cell *fqids,
+				   struct list_head *list,
+				   enum dpa_fq_type fq_type)
 {
-	struct device *dev = &_of_dev->dev;
-	struct device_node *np = dev->of_node;
-	const struct fqid_cell *fqids;
-	int i, j, lenp;
-	int num_fqids;
+	int i;
 	struct dpa_fq *dpa_fq;
-	int err = 0;
 
-	/* per-core tx confirmation queues */
-	if (txconfq) {
-		fqids = tx_confirm_fqids;
-		dpa_fq = devm_kzalloc(dev, sizeof(*dpa_fq) * fqids[0].count,
-					GFP_KERNEL);
-		if (dpa_fq == NULL) {
-			dev_err(dev, "devm_kzalloc() failed\n");
-			return -ENOMEM;
-		}
-		*txconfq = dpa_fq;
-		for (j = 0; j < fqids[0].count; j++)
-			dpa_fq[j].fq_type = FQ_TYPE_TX_CONFIRM;
-
-		for (j = 0; j < fqids[0].count; j++) {
-			dpa_fq[j].fqid = fqids[0].start ?
-				fqids[0].start + j : 0;
-			_dpa_assign_wq(dpa_fq + j);
-			list_add_tail(&dpa_fq[j].list, list);
-		}
+	dpa_fq = devm_kzalloc(dev, sizeof(*dpa_fq) * fqids->count, GFP_KERNEL);
+	if (dpa_fq == NULL)
+		return NULL;
+
+	for (i = 0; i < fqids->count; i++) {
+		dpa_fq[i].fq_type = fq_type;
+		dpa_fq[i].fqid = fqids->start ? fqids->start + i : 0;
+		_dpa_assign_wq(dpa_fq + i);
+		list_add_tail(&dpa_fq[i].list, list);
 	}
 
-#ifdef CONFIG_FSL_DPAA_TX_RECYCLE
-	/* per-core tx queues for recycleable frames (FManv3 only) */
-	if (txrecycle) {
-		fqids = tx_recycle_fqids;
-		dpa_fq = devm_kzalloc(dev, sizeof(*dpa_fq) * fqids[0].count,
-					GFP_KERNEL);
-		if (dpa_fq == NULL) {
-			dev_err(dev, "devm_kzalloc() failed\n");
-			return -ENOMEM;
-		}
+	return dpa_fq;
+}
 
-		*txrecycle = dpa_fq;
-		for (j = 0; j < fqids[0].count; j++)
-			dpa_fq[j].fq_type = FQ_TYPE_TX_RECYCLE;
+/* Probing of FQs for MACful ports */
+static int dpa_fq_probe_mac(struct device *dev, struct list_head *list,
+			    struct fm_port_fqs *port_fqs, bool is_shared,
+			    enum port_type ptype)
+{
+	const struct fqid_cell *fqids;
+	struct dpa_fq *dpa_fq;
+	struct device_node *np = dev->of_node;
+	int num_ranges;
+	int i, lenp;
 
-		for (j = 0; j < fqids[0].count; j++) {
-			dpa_fq[j].fqid = fqids[0].start ?
-				fqids[0].start + j : 0;
-			_dpa_assign_wq(dpa_fq + j);
-			list_add_tail(&dpa_fq[j].list, list);
-		}
-	}
+	if (ptype == TX && !is_shared) {
+		/* Use per-core tx confirmation queues on private ports */
+		if (!dpa_fq_alloc(dev, tx_confirm_fqids, list,
+				  FQ_TYPE_TX_CONF_MQ))
+			goto fq_alloc_failed;
+
+#ifdef CONFIG_FSL_DPAA_TX_RECYCLE
+		/* per-core tx queues for recycleable frames (FManv3 only) */
+		if (!dpa_fq_alloc(dev, tx_recycle_fqids, list,
+				  FQ_TYPE_TX_RECYCLE))
+			goto fq_alloc_failed;
 #endif
+	}
 
 	fqids = of_get_property(np, fsl_qman_frame_queues[ptype], &lenp);
 	if (fqids == NULL) {
+		/* No dts definition, so use the defaults. */
 		fqids = default_fqids[ptype];
-		num_fqids = 3;
-	} else
-		num_fqids = lenp / sizeof(*fqids);
-
-	for (i = 0; i < num_fqids; i++) {
-		dpa_fq = devm_kzalloc(dev, sizeof(*dpa_fq) * fqids[i].count,
-					GFP_KERNEL);
-		if (dpa_fq == NULL) {
-			dev_err(dev, "devm_kzalloc() failed\n");
-			return -ENOMEM;
-		}
-
-		/* The first queue is the Error queue */
-		if (i == 0 && errq) {
-			*errq = dpa_fq;
-
-			if (fqids[i].count != 1) {
-				dev_err(dev, "Too many error queues!\n");
-				err = -EINVAL;
-				goto invalid_error_queues;
-			}
-
-			dpa_fq[0].fq_type = (ptype == RX ?
-				FQ_TYPE_RX_ERROR : FQ_TYPE_TX_ERROR);
-		}
-
-		/* The second queue is the the Default queue */
-		if (i == 1 && defq) {
-			*defq = dpa_fq;
-
-			if (fqids[i].count != 1) {
-				dev_err(dev, "Too many default queues!\n");
-				err = -EINVAL;
-				goto invalid_default_queues;
-			}
+		num_ranges = 3;
+	} else {
+		num_ranges = lenp / sizeof(*fqids);
+	}
 
-			dpa_fq[0].fq_type = (ptype == RX ?
-				FQ_TYPE_RX_DEFAULT : FQ_TYPE_TX_CONFIRM);
-		}
+	for (i = 0; i < num_ranges; i++) {
+		switch (i) {
+		case 0:
+			/* The first queue is the error queue */
+			if (fqids[i].count != 1)
+				goto invalid_error_queue;
 
-		/*
-		 * All subsequent queues are gathered together.
-		 * The first 8 will be used by the private linux interface
-		 * if these are TX queues
-		 */
-		if (i == 2 || (!errq && i == 0 && fqs)) {
-			*fqs = dpa_fq;
+			dpa_fq = dpa_fq_alloc(dev, &fqids[i], list,
+					      ptype == RX ?
+						FQ_TYPE_RX_ERROR :
+						FQ_TYPE_TX_ERROR);
+			if (dpa_fq == NULL)
+				goto fq_alloc_failed;
 
-			for (j = 0; j < fqids[i].count; j++)
-				dpa_fq[j].fq_type = (ptype == RX ?
-					FQ_TYPE_RX_PCD : FQ_TYPE_TX);
-		}
+			if (ptype == RX)
+				port_fqs->rx_errq = &dpa_fq[0];
+			else
+				port_fqs->tx_errq = &dpa_fq[0];
+			break;
+		case 1:
+			/* the second queue is the default queue */
+			if (fqids[i].count != 1)
+				goto invalid_default_queue;
+
+			dpa_fq = dpa_fq_alloc(dev, &fqids[i], list,
+					      ptype == RX ?
+						FQ_TYPE_RX_DEFAULT :
+						FQ_TYPE_TX_CONFIRM);
+			if (dpa_fq == NULL)
+				goto fq_alloc_failed;
 
-		for (j = 0; j < fqids[i].count; j++) {
-			dpa_fq[j].fqid = fqids[i].start ?
-				fqids[i].start + j : 0;
-			_dpa_assign_wq(dpa_fq + j);
-			list_add_tail(&dpa_fq[j].list, list);
+			if (ptype == RX)
+				port_fqs->rx_defq = &dpa_fq[0];
+			else
+				port_fqs->tx_defq = &dpa_fq[0];
+			break;
+		default:
+			/* all subsequent queues are either RX PCD or Tx */
+			if (!dpa_fq_alloc(dev, &fqids[i], list, ptype == RX ?
+					   FQ_TYPE_RX_PCD : FQ_TYPE_TX))
+				goto fq_alloc_failed;
+			break;
 		}
 	}
 
-invalid_default_queues:
-invalid_error_queues:
-	return err;
-}
+	return 0;
 
-static void dpa_setup_ingress(struct dpa_priv_s *priv, struct dpa_fq *fq,
-			const struct qman_fq *template)
-{
-	fq->fq_base = *template;
-	fq->net_dev = priv->net_dev;
+fq_alloc_failed:
+	dev_err(dev, "dpa_fq_alloc() failed\n");
+	return -ENOMEM;
 
-	fq->flags = QMAN_FQ_FLAG_NO_ENQUEUE;
-	fq->channel = priv->channel;
+invalid_default_queue:
+invalid_error_queue:
+	dev_err(dev, "Too many default or error queues\n");
+	return -EINVAL;
 }
 
-static void dpa_setup_egress(struct dpa_priv_s *priv,
-				struct list_head *head, struct dpa_fq *fq,
-				struct fm_port *port)
+/* Probing of FQs for MACless ports */
+static int dpa_fq_probe_macless(struct device *dev, struct list_head *list,
+				enum port_type ptype)
 {
-	struct list_head *ptr = &fq->list;
-	struct dpa_fq *iter;
-	int i = 0;
-
-	while (true) {
-		iter = list_entry(ptr, struct dpa_fq, list);
-		if (priv->shared)
-			iter->fq_base = shared_egress_fq;
-		else
-			iter->fq_base = private_egress_fq;
-
-		iter->net_dev = priv->net_dev;
-		if (port) {
-			iter->flags = QMAN_FQ_FLAG_TO_DCPORTAL;
-			iter->channel = fm_get_tx_port_channel(port);
-		} else
-			iter->flags = QMAN_FQ_FLAG_NO_MODIFY;
-
-		if (list_is_last(ptr, head))
-			break;
+	struct device_node *np = dev->of_node;
+	const struct fqid_cell *fqids;
+	int num_ranges;
+	int i, lenp;
 
-		ptr = ptr->next;
+	fqids = of_get_property(np, fsl_qman_frame_queues[ptype], &lenp);
+	if (fqids == NULL) {
+		dev_err(dev, "Need FQ definition in dts for MACless devices\n");
+		return -EINVAL;
 	}
 
-	/* Allocate frame queues to all available CPUs no matter the number of
-	 * queues specified in device tree.
-	 */
-	for (i = 0; i < DPAA_ETH_TX_QUEUES; i++) {
-		iter = list_entry(ptr, struct dpa_fq, list);
-		priv->egress_fqs[i] = &iter->fq_base;
+	num_ranges = lenp / sizeof(*fqids);
 
-		if (list_is_last(ptr, head))
-			ptr = &fq->list;
+	/* All ranges defined in the device tree are used as Rx/Tx queues */
+	for (i = 0; i < num_ranges; i++) {
+		if (!dpa_fq_alloc(dev, &fqids[i], list, ptype == RX ?
+				  FQ_TYPE_RX_PCD : FQ_TYPE_TX)) {
+			dev_err(dev, "_dpa_fq_alloc() failed\n");
+			return -ENOMEM;
+		}
 	}
-}
-
-#ifdef CONFIG_FSL_DPAA_TX_RECYCLE
-static void dpa_setup_recycle_queues(struct dpa_priv_s *priv, struct dpa_fq *fq,
-				     struct fm_port *port)
-{
-	int i = 0;
-	struct list_head *ptr = &fq->list;
-
-	for (i = 0; i < DPAA_ETH_TX_QUEUES; i++) {
-		struct dpa_fq *iter = list_entry(ptr, struct dpa_fq, list);
-
-		iter->fq_base = private_egress_fq;
-		iter->net_dev = priv->net_dev;
-
-		priv->recycle_fqs[i] = &iter->fq_base;
 
-		iter->flags = QMAN_FQ_FLAG_TO_DCPORTAL;
-		iter->channel = fm_get_tx_port_channel(port);
-
-		ptr = ptr->next;
-	}
+	return 0;
 }
-#endif
 
-static void dpa_setup_conf_queues(struct dpa_priv_s *priv, struct dpa_fq *fq)
+static inline void dpa_setup_ingress(const struct dpa_priv_s *priv,
+				     struct dpa_fq *fq,
+				     const struct qman_fq *template)
 {
-	struct list_head *ptr = &fq->list;
-	int i;
-
-	/*
-	 * Configure the queues to be core affine.
-	 * The implicit assumption here is that each cpu has its own Tx queue
-	 */
-	for (i = 0; i < DPAA_ETH_TX_QUEUES; i++) {
-		struct dpa_fq *iter = list_entry(ptr, struct dpa_fq, list);
-
-		dpa_setup_ingress(priv, iter, &tx_private_defq);
-		/* Leave the confirmation queue in the default pool channel */
-		priv->conf_fqs[i] = &iter->fq_base;
+	fq->fq_base = *template;
+	fq->net_dev = priv->net_dev;
 
-		ptr = ptr->next;
-	}
+	fq->flags = QMAN_FQ_FLAG_NO_ENQUEUE;
+	fq->channel = priv->channel;
 }
 
-static void dpa_setup_ingress_queues(struct dpa_priv_s *priv,
-		struct list_head *head, struct dpa_fq *fq)
+static inline void dpa_setup_egress(const struct dpa_priv_s *priv,
+				    struct dpa_fq *fq,
+				    struct fm_port *port,
+				    const struct qman_fq *template)
 {
-	struct list_head *ptr = &fq->list;
-	u32 fqid;
-	int portals[NR_CPUS];
-	int i, cpu, num_portals = 0;
-	const cpumask_t *affine_cpus = qman_affine_cpus();
-
-	for_each_cpu(cpu, affine_cpus)
-		portals[num_portals++] = qman_affine_channel(cpu);
-	if (num_portals == 0) {
-		dev_err(fq->net_dev->dev.parent,
-			     "No Qman software (affine) channels found");
-		return;
-	}
-
-	i = 0;
-	fqid = 0;
-	if (priv->mac_dev)
-		fqid = (priv->mac_dev->res->start & 0x1fffff) >> 6;
-
-	while (true) {
-		struct dpa_fq *iter = list_entry(ptr, struct dpa_fq, list);
-
-		if (priv->shared)
-			dpa_setup_ingress(priv, iter, &rx_shared_fq);
-		else
-			dpa_setup_ingress(priv, iter, &rx_private_defq);
-
-		if (!iter->fqid)
-			iter->fqid = fqid++;
-
-		/* Assign the queues to a channel in a round-robin fashion */
-		iter->channel = portals[i];
-		i = (i + 1) % num_portals;
-
-		if (list_is_last(ptr, head))
-			break;
+	fq->fq_base = *template;
+	fq->net_dev = priv->net_dev;
 
-		ptr = ptr->next;
+	if (port) {
+		fq->flags = QMAN_FQ_FLAG_TO_DCPORTAL;
+		fq->channel = fm_get_tx_port_channel(port);
+	} else {
+		fq->flags = QMAN_FQ_FLAG_NO_MODIFY;
 	}
 }
 
@@ -3684,58 +3587,106 @@ dpaa_eth_init_rx_port(struct fm_port *port, struct dpa_bp *bp, size_t count,
 			   buf_layout, frag_enabled);
 }
 
-static void dpa_rx_fq_init(struct dpa_priv_s *priv, struct list_head *head,
-			struct dpa_fq *defq, struct dpa_fq *errq,
-			struct dpa_fq *fqs)
-{
-	if (fqs)
-		dpa_setup_ingress_queues(priv, head, fqs);
-
-	/* Only real devices need default/error queues set up */
-	if (!priv->mac_dev)
-		return;
-
-	if (defq->fqid == 0 && netif_msg_probe(priv))
-		pr_info("Using dynamic RX QM frame queues\n");
-
-	if (priv->shared) {
-		dpa_setup_ingress(priv, defq, &rx_shared_fq);
-		dpa_setup_ingress(priv, errq, &rx_shared_fq);
-	} else {
-		dpa_setup_ingress(priv, defq, &rx_private_defq);
-		dpa_setup_ingress(priv, errq, &rx_private_errq);
-	}
-}
-
-static void dpa_tx_fq_init(struct dpa_priv_s *priv, struct list_head *head,
-			struct dpa_fq *defq, struct dpa_fq *errq,
-			struct dpa_fq *fqs, struct dpa_fq *confqs,
-			struct dpa_fq *recyclefqs, struct fm_port *port)
+static void dpa_fq_setup(struct dpa_priv_s *priv)
 {
-	if (fqs)
-		dpa_setup_egress(priv, head, fqs, port);
-
-	/* Only real devices need default/error queues set up */
-	if (!priv->mac_dev)
-		return;
-
-	if (defq->fqid == 0 && netif_msg_probe(priv))
-		pr_info("Using dynamic TX QM frame queues\n");
+	struct dpa_fq *fq;
+	int portals[NR_CPUS];
+	int cpu, portal_cnt = 0, num_portals = 0;
+	uint32_t pcd_fqid;
+	const cpumask_t *affine_cpus = qman_affine_cpus();
+	int egress_cnt = 0, conf_cnt = 0;
+#ifdef CONFIG_FSL_DPAA_TX_RECYCLE
+	int recycle_cnt = 0;
+#endif
+	struct fm_port *tx_port;
 
-	/* The shared driver doesn't use tx confirmation */
-	if (priv->shared) {
-		dpa_setup_ingress(priv, defq, &tx_shared_defq);
-		dpa_setup_ingress(priv, errq, &tx_shared_errq);
-	} else {
-		dpa_setup_ingress(priv, defq, &tx_private_defq);
-		dpa_setup_ingress(priv, errq, &tx_private_errq);
-		if (confqs)
-			dpa_setup_conf_queues(priv, confqs);
+	/* Prepare for PCD FQs init */
+	for_each_cpu(cpu, affine_cpus)
+		portals[num_portals++] = qman_affine_channel(cpu);
+	if (num_portals == 0)
+		dev_err(priv->net_dev->dev.parent,
+			"No Qman software (affine) channels found");
+
+	pcd_fqid = (priv->mac_dev) ?
+		DPAA_ETH_PCD_FQ_BASE(priv->mac_dev->res->start) : 0;
+
+	/* Get the Tx Fman port (needed for egress fqs) */
+	tx_port = (priv->mac_dev) ? priv->mac_dev->port_dev[TX] : NULL;
+
+	/* Initialize each FQ in the list */
+	list_for_each_entry(fq, &priv->dpa_fq_list, list) {
+		switch (fq->fq_type) {
+		case FQ_TYPE_RX_DEFAULT:
+			BUG_ON(!priv->mac_dev);
+			dpa_setup_ingress(priv, fq, (priv->shared ?
+					  &rx_shared_fq : &rx_private_defq));
+			break;
+		case FQ_TYPE_RX_ERROR:
+			BUG_ON(!priv->mac_dev);
+			dpa_setup_ingress(priv, fq, (priv->shared ?
+					  &rx_shared_fq : &rx_private_errq));
+			break;
+		case FQ_TYPE_RX_PCD:
+			/* For MACless we can't have dynamic Rx queues */
+			BUG_ON(!priv->mac_dev && !fq->fqid);
+			dpa_setup_ingress(priv, fq, (priv->shared ?
+					  &rx_shared_fq : &rx_private_defq));
+			if (!fq->fqid)
+				fq->fqid = pcd_fqid++;
+			fq->channel = portals[portal_cnt];
+			portal_cnt = (portal_cnt + 1) % num_portals;
+			break;
+		case FQ_TYPE_TX:
+			dpa_setup_egress(priv, fq, tx_port, (priv->shared ?
+				&shared_egress_fq : &private_egress_fq));
+			/* If we have more Tx queues than the number of cores,
+			 * just ignore the extra ones.
+			 */
+			if (egress_cnt < DPAA_ETH_TX_QUEUES)
+				priv->egress_fqs[egress_cnt++] = &fq->fq_base;
+			break;
+		case FQ_TYPE_TX_CONFIRM:
+			BUG_ON(!priv->mac_dev);
+			dpa_setup_ingress(priv, fq, (priv->shared ?
+					  &tx_shared_defq : &tx_private_defq));
+			break;
+		case FQ_TYPE_TX_CONF_MQ:
+			BUG_ON(!priv->mac_dev);
+			BUG_ON(priv->shared);
+			dpa_setup_ingress(priv, fq, &tx_private_defq);
+			priv->conf_fqs[conf_cnt++] = &fq->fq_base;
+			break;
+		case FQ_TYPE_TX_ERROR:
+			BUG_ON(!priv->mac_dev);
+			dpa_setup_ingress(priv, fq, (priv->shared ?
+					  &tx_shared_errq : &tx_private_errq));
+			break;
 #ifdef CONFIG_FSL_DPAA_TX_RECYCLE
-		if (recyclefqs)
-			dpa_setup_recycle_queues(priv, recyclefqs, port);
+		case FQ_TYPE_TX_RECYCLE:
+			BUG_ON(!priv->mac_dev);
+			BUG_ON(priv->shared);
+			dpa_setup_egress(priv, fq, tx_port, &private_egress_fq);
+			priv->recycle_fqs[recycle_cnt++] = &fq->fq_base;
+			break;
 #endif
+		default:
+			dev_warn(priv->net_dev->dev.parent,
+				 "Unknown FQ type detected!\n");
+			break;
+		}
+	}
 
+	/* The number of Tx queues may be smaller than the number of cores, if
+	 * the Tx queue range is specified in the device tree instead of being
+	 * dynamically allocated.
+	 * Make sure all CPUs receive a corresponding Tx queue.
+	 */
+	while (egress_cnt < DPAA_ETH_TX_QUEUES) {
+		list_for_each_entry(fq, &priv->dpa_fq_list, list) {
+			priv->egress_fqs[egress_cnt++] = &fq->fq_base;
+			if (egress_cnt == DPAA_ETH_TX_QUEUES)
+				break;
+		}
 	}
 }
 
@@ -3935,18 +3886,13 @@ dpaa_eth_probe(struct platform_device *_of_dev)
 	struct dpa_fq *dpa_fq, *tmp;
 	struct list_head rxfqlist;
 	struct list_head txfqlist;
+	struct list_head proxy_fq_list;
+	struct list_head *fq_list;
 	size_t count;
 	struct net_device *net_dev = NULL;
 	struct dpa_priv_s *priv = NULL;
 	struct dpa_percpu_priv_s *percpu_priv;
-	struct dpa_fq *rxdefault = NULL;
-	struct dpa_fq *txdefault = NULL;
-	struct dpa_fq *rxerror = NULL;
-	struct dpa_fq *txerror = NULL;
-	struct dpa_fq *rxextra = NULL;
-	struct dpa_fq *txfqs = NULL;
-	struct dpa_fq *txconf = NULL;
-	struct dpa_fq *txrecycle = NULL;
+	struct fm_port_fqs port_fqs;
 	struct fm_port *rxport = NULL;
 	struct fm_port *txport = NULL;
 	struct dpa_buffer_layout_s *buf_layout = NULL;
@@ -4036,29 +3982,26 @@ dpaa_eth_probe(struct platform_device *_of_dev)
 	INIT_LIST_HEAD(&rxfqlist);
 	INIT_LIST_HEAD(&txfqlist);
 
+	if (net_dev) {
+		INIT_LIST_HEAD(&priv->dpa_fq_list);
+		fq_list = &priv->dpa_fq_list;
+	} else {
+		INIT_LIST_HEAD(&proxy_fq_list);
+		fq_list = &proxy_fq_list;
+	}
+
+	memset(&port_fqs, 0, sizeof(port_fqs));
 	if (rxport)
-		err = dpa_fq_probe(_of_dev, &rxfqlist, &rxdefault, &rxerror,
-				&rxextra, NULL, NULL, RX);
+		err = dpa_fq_probe_mac(dev, fq_list, &port_fqs, is_shared, RX);
 	else
-		err = dpa_fq_probe(_of_dev, &rxfqlist, NULL, NULL,
-				&rxextra, NULL, NULL, RX);
-
+		err = dpa_fq_probe_macless(dev, fq_list, RX);
 	if (err < 0)
 		goto rx_fq_probe_failed;
 
 	if (txport)
-#ifdef CONFIG_FSL_DPAA_TX_RECYCLE
-		err = dpa_fq_probe(_of_dev, &txfqlist, &txdefault, &txerror,
-				&txfqs, (is_shared ? NULL : &txconf),
-				(is_shared ? NULL : &txrecycle), TX);
-#else
-		err = dpa_fq_probe(_of_dev, &txfqlist, &txdefault, &txerror,
-				&txfqs, (is_shared ? NULL : &txconf), NULL, TX);
-#endif
+		err = dpa_fq_probe_mac(dev, fq_list, &port_fqs, is_shared, TX);
 	else
-		err = dpa_fq_probe(_of_dev, &txfqlist, NULL, NULL, &txfqs,
-				NULL, NULL, TX);
-
+		err = dpa_fq_probe_macless(dev, fq_list, TX);
 	if (err < 0)
 		goto tx_fq_probe_failed;
 
@@ -4101,9 +4044,7 @@ dpaa_eth_probe(struct platform_device *_of_dev)
 			goto add_channel_failed;
 		}
 
-		dpa_rx_fq_init(priv, &rxfqlist, rxdefault, rxerror, rxextra);
-		dpa_tx_fq_init(priv, &txfqlist, txdefault, txerror, txfqs,
-				txconf, txrecycle, txport);
+		dpa_fq_setup(priv);
 
 		/*
 		 * Create a congestion group for this netdev, with
@@ -4121,16 +4062,8 @@ dpaa_eth_probe(struct platform_device *_of_dev)
 		}
 
 		/* Add the FQs to the interface, and make them active */
-		INIT_LIST_HEAD(&priv->dpa_fq_list);
-
-		list_for_each_entry_safe(dpa_fq, tmp, &rxfqlist, list) {
-			err = _dpa_fq_alloc(&priv->dpa_fq_list, dpa_fq);
-			if (err < 0)
-				goto fq_alloc_failed;
-		}
-
-		list_for_each_entry_safe(dpa_fq, tmp, &txfqlist, list) {
-			err = _dpa_fq_alloc(&priv->dpa_fq_list, dpa_fq);
+		list_for_each_entry_safe(dpa_fq, tmp, fq_list, list) {
+			err = dpa_fq_init(dpa_fq);
 			if (err < 0)
 				goto fq_alloc_failed;
 		}
@@ -4148,10 +4081,10 @@ dpaa_eth_probe(struct platform_device *_of_dev)
 	if (mac_dev) {
 		struct fm_port_pcd_param rx_port_pcd_param;
 
-		dpaa_eth_init_tx_port(txport, txerror, txdefault,
-				      &buf_layout[TX]);
-		dpaa_eth_init_rx_port(rxport, dpa_bp, count, rxerror,
-				      rxdefault, &buf_layout[RX]);
+		dpaa_eth_init_tx_port(txport, port_fqs.tx_errq,
+				      port_fqs.tx_defq, &buf_layout[TX]);
+		dpaa_eth_init_rx_port(rxport, dpa_bp, count, port_fqs.rx_errq,
+				      port_fqs.rx_defq, &buf_layout[RX]);
 
 		rx_port_pcd_param.cba = dpa_alloc_pcd_fqids;
 		rx_port_pcd_param.cbf = dpa_free_pcd_fqids;
@@ -4164,11 +4097,13 @@ dpaa_eth_probe(struct platform_device *_of_dev)
 	 * memory freed
 	 */
 	if (!net_dev) {
-		devm_kfree(&_of_dev->dev, dpa_bp);
-		devm_kfree(&_of_dev->dev, rxdefault);
-		devm_kfree(&_of_dev->dev, rxerror);
-		devm_kfree(&_of_dev->dev, txdefault);
-		devm_kfree(&_of_dev->dev, txerror);
+		devm_kfree(dev, dpa_bp);
+
+		/* Free FQ structures */
+		devm_kfree(dev, port_fqs.rx_defq);
+		devm_kfree(dev, port_fqs.rx_errq);
+		devm_kfree(dev, port_fqs.tx_defq);
+		devm_kfree(dev, port_fqs.tx_errq);
 
 		if (mac_dev)
 			for_each_port_device(i, mac_dev->port_dev)
@@ -4259,6 +4194,11 @@ static int __cold dpa_remove(struct platform_device *of_dev)
 
 	dev = &of_dev->dev;
 	net_dev = dev_get_drvdata(dev);
+
+	/* Nothing to do here for proxy ports */
+	if (!net_dev)
+		return 0;
+
 	priv = netdev_priv(net_dev);
 
 	dpaa_eth_sysfs_remove(dev);
diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth.h b/drivers/net/ethernet/freescale/dpa/dpaa_eth.h
index 939bcb1..9be51ce 100644
--- a/drivers/net/ethernet/freescale/dpa/dpaa_eth.h
+++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth.h
@@ -101,6 +101,9 @@
 #define FMAN_PCD_TESTS_MAX_NUM_RANGES	20
 #endif
 
+#define DPAA_ETH_PCD_FQ_BASE(device_addr) \
+	(((device_addr) & 0x1fffff) >> 6)
+
 /* return codes for the dpaa-eth hooks */
 enum dpaa_eth_hook_result {
 	/* fd/skb was retained by the hook.
@@ -394,6 +397,13 @@ struct dpa_priv_s {
 	u8 macless_idx;
 };
 
+struct fm_port_fqs {
+	struct dpa_fq *tx_defq;
+	struct dpa_fq *tx_errq;
+	struct dpa_fq *rx_defq;
+	struct dpa_fq *rx_errq;
+};
+
 extern const struct ethtool_ops dpa_ethtool_ops;
 
 void __attribute__((nonnull))
@@ -590,6 +600,7 @@ static inline void _dpa_assign_wq(struct dpa_fq *fq)
 {
 	switch (fq->fq_type) {
 	case FQ_TYPE_TX_CONFIRM:
+	case FQ_TYPE_TX_CONF_MQ:
 		fq->wq = 1;
 		break;
 	case FQ_TYPE_RX_DEFAULT:
diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth_sysfs.c b/drivers/net/ethernet/freescale/dpa/dpaa_eth_sysfs.c
index 7b7c103..63bb153 100644
--- a/drivers/net/ethernet/freescale/dpa/dpaa_eth_sysfs.c
+++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth_sysfs.c
@@ -95,7 +95,10 @@ static ssize_t dpaa_eth_show_fqids(struct device *dev,
 			str = "Rx PCD";
 			break;
 		case FQ_TYPE_TX_CONFIRM:
-			str = "Tx confirmation";
+			str = "Tx default confirmation";
+			break;
+		case FQ_TYPE_TX_CONF_MQ:
+			str = "Tx confirmation (mq)";
 			break;
 		case FQ_TYPE_TX_ERROR:
 			str = "Tx error";
-- 
cgit v0.10.2