From: Gregory CLEMENT <gregory.clement@free-electrons.com>
Date: Wed, 9 Dec 2015 18:23:48 +0100
Subject: [PATCH] net: mvneta: Make the default queue related for each port

Instead of using the same default queue for all the port. Move it in the
port struct. It will allow have a different default queue for each port.

Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -356,6 +356,7 @@ struct mvneta_port {
 	struct mvneta_tx_queue *txqs;
 	struct net_device *dev;
 	struct notifier_block cpu_notifier;
+	int rxq_def;
 
 	/* Core clock */
 	struct clk *clk;
@@ -820,7 +821,7 @@ static void mvneta_port_up(struct mvneta
 
 	q_map = 0;
 	/* Enable all initialized RXQs. */
-	mvreg_write(pp, MVNETA_RXQ_CMD, BIT(rxq_def));
+	mvreg_write(pp, MVNETA_RXQ_CMD, BIT(pp->rxq_def));
 }
 
 /* Stop the Ethernet port activity */
@@ -1072,7 +1073,7 @@ static void mvneta_defaults_set(struct m
 	mvreg_write(pp, MVNETA_ACC_MODE, val);
 
 	/* Update val of portCfg register accordingly with all RxQueue types */
-	val = MVNETA_PORT_CONFIG_DEFL_VALUE(rxq_def);
+	val = MVNETA_PORT_CONFIG_DEFL_VALUE(pp->rxq_def);
 	mvreg_write(pp, MVNETA_PORT_CONFIG, val);
 
 	val = 0;
@@ -2106,19 +2107,19 @@ static void mvneta_set_rx_mode(struct ne
 	if (dev->flags & IFF_PROMISC) {
 		/* Accept all: Multicast + Unicast */
 		mvneta_rx_unicast_promisc_set(pp, 1);
-		mvneta_set_ucast_table(pp, rxq_def);
-		mvneta_set_special_mcast_table(pp, rxq_def);
-		mvneta_set_other_mcast_table(pp, rxq_def);
+		mvneta_set_ucast_table(pp, pp->rxq_def);
+		mvneta_set_special_mcast_table(pp, pp->rxq_def);
+		mvneta_set_other_mcast_table(pp, pp->rxq_def);
 	} else {
 		/* Accept single Unicast */
 		mvneta_rx_unicast_promisc_set(pp, 0);
 		mvneta_set_ucast_table(pp, -1);
-		mvneta_mac_addr_set(pp, dev->dev_addr, rxq_def);
+		mvneta_mac_addr_set(pp, dev->dev_addr, pp->rxq_def);
 
 		if (dev->flags & IFF_ALLMULTI) {
 			/* Accept all multicast */
-			mvneta_set_special_mcast_table(pp, rxq_def);
-			mvneta_set_other_mcast_table(pp, rxq_def);
+			mvneta_set_special_mcast_table(pp, pp->rxq_def);
+			mvneta_set_other_mcast_table(pp, pp->rxq_def);
 		} else {
 			/* Accept only initialized multicast */
 			mvneta_set_special_mcast_table(pp, -1);
@@ -2127,7 +2128,7 @@ static void mvneta_set_rx_mode(struct ne
 			if (!netdev_mc_empty(dev)) {
 				netdev_for_each_mc_addr(ha, dev) {
 					mvneta_mcast_addr_set(pp, ha->addr,
-							      rxq_def);
+							      pp->rxq_def);
 				}
 			}
 		}
@@ -2210,7 +2211,7 @@ static int mvneta_poll(struct napi_struc
 	 * RX packets
 	 */
 	cause_rx_tx |= port->cause_rx_tx;
-	rx_done = mvneta_rx(pp, budget, &pp->rxqs[rxq_def]);
+	rx_done = mvneta_rx(pp, budget, &pp->rxqs[pp->rxq_def]);
 	budget -= rx_done;
 
 	if (budget > 0) {
@@ -2423,17 +2424,17 @@ static void mvneta_cleanup_txqs(struct m
 /* Cleanup all Rx queues */
 static void mvneta_cleanup_rxqs(struct mvneta_port *pp)
 {
-	mvneta_rxq_deinit(pp, &pp->rxqs[rxq_def]);
+	mvneta_rxq_deinit(pp, &pp->rxqs[pp->rxq_def]);
 }
 
 
 /* Init all Rx queues */
 static int mvneta_setup_rxqs(struct mvneta_port *pp)
 {
-	int err = mvneta_rxq_init(pp, &pp->rxqs[rxq_def]);
+	int err = mvneta_rxq_init(pp, &pp->rxqs[pp->rxq_def]);
 	if (err) {
 		netdev_err(pp->dev, "%s: can't create rxq=%d\n",
-			   __func__, rxq_def);
+			   __func__, pp->rxq_def);
 		mvneta_cleanup_rxqs(pp);
 		return err;
 	}
@@ -2638,7 +2639,7 @@ static int mvneta_set_mac_addr(struct ne
 	mvneta_mac_addr_set(pp, dev->dev_addr, -1);
 
 	/* Set new addr in hw */
-	mvneta_mac_addr_set(pp, sockaddr->sa_data, rxq_def);
+	mvneta_mac_addr_set(pp, sockaddr->sa_data, pp->rxq_def);
 
 	eth_commit_mac_addr_change(dev, addr);
 	return 0;
@@ -2757,7 +2758,7 @@ static void mvneta_percpu_elect(struct m
 {
 	int online_cpu_idx, cpu, i = 0;
 
-	online_cpu_idx = rxq_def % num_online_cpus();
+	online_cpu_idx = pp->rxq_def % num_online_cpus();
 
 	for_each_online_cpu(cpu) {
 		if (i == online_cpu_idx)
@@ -3365,6 +3366,8 @@ static int mvneta_probe(struct platform_
 				 strcmp(managed, "in-band-status") == 0);
 	pp->cpu_notifier.notifier_call = mvneta_percpu_notifier;
 
+	pp->rxq_def = rxq_def;
+
 	pp->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(pp->clk)) {
 		err = PTR_ERR(pp->clk);
