1 files changed, 46 insertions, 16 deletions

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index a770bab4d1ed..fc68a32ce2f7 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -197,12 +197,15 @@ static int dpaa_rx_extra_headroom;
 #define dpaa_get_max_mtu()	\
 	(dpaa_max_frm - (VLAN_ETH_HLEN + ETH_FCS_LEN))
 
+static void dpaa_eth_cgr_set_speed(struct mac_device *mac_dev, int speed);
+
 static int dpaa_netdev_init(struct net_device *net_dev,
 			    const struct net_device_ops *dpaa_ops,
 			    u16 tx_timeout)
 {
 	struct dpaa_priv *priv = netdev_priv(net_dev);
 	struct device *dev = net_dev->dev.parent;
+	struct mac_device *mac_dev = priv->mac_dev;
 	struct dpaa_percpu_priv *percpu_priv;
 	const u8 *mac_addr;
 	int i, err;
@@ -216,10 +219,10 @@ static int dpaa_netdev_init(struct net_device *net_dev,
 	}
 
 	net_dev->netdev_ops = dpaa_ops;
-	mac_addr = priv->mac_dev->addr;
+	mac_addr = mac_dev->addr;
 
-	net_dev->mem_start = priv->mac_dev->res->start;
-	net_dev->mem_end = priv->mac_dev->res->end;
+	net_dev->mem_start = (unsigned long)priv->mac_dev->res->start;
+	net_dev->mem_end = (unsigned long)priv->mac_dev->res->end;
 
 	net_dev->min_mtu = ETH_MIN_MTU;
 	net_dev->max_mtu = dpaa_get_max_mtu();
@@ -246,7 +249,7 @@ static int dpaa_netdev_init(struct net_device *net_dev,
 		eth_hw_addr_set(net_dev, mac_addr);
 	} else {
 		eth_hw_addr_random(net_dev);
-		err = priv->mac_dev->change_addr(priv->mac_dev->fman_mac,
+		err = mac_dev->change_addr(mac_dev->fman_mac,
 			(const enet_addr_t *)net_dev->dev_addr);
 		if (err) {
 			dev_err(dev, "Failed to set random MAC address\n");
@@ -261,6 +264,9 @@ static int dpaa_netdev_init(struct net_device *net_dev,
 	net_dev->needed_headroom = priv->tx_headroom;
 	net_dev->watchdog_timeo = msecs_to_jiffies(tx_timeout);
 
+	mac_dev->net_dev = net_dev;
+	mac_dev->update_speed = dpaa_eth_cgr_set_speed;
+
 	/* start without the RUNNING flag, phylib controls it later */
 	netif_carrier_off(net_dev);
 
@@ -288,10 +294,9 @@ static int dpaa_stop(struct net_device *net_dev)
 	 */
 	msleep(200);
 
-	err = mac_dev->stop(mac_dev);
-	if (err < 0)
-		netif_err(priv, ifdown, net_dev, "mac_dev->stop() = %d\n",
-			  err);
+	if (mac_dev->phy_dev)
+		phy_stop(mac_dev->phy_dev);
+	mac_dev->disable(mac_dev->fman_mac);
 
 	for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) {
 		error = fman_port_disable(mac_dev->port[i]);
@@ -826,10 +831,10 @@ static int dpaa_eth_cgr_init(struct dpaa_priv *priv)
 	initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CSCN_EN | QM_CGR_WE_CS_THRES);
 	initcgr.cgr.cscn_en = QM_CGR_EN;
 
-	/* Set different thresholds based on the MAC speed.
-	 * This may turn suboptimal if the MAC is reconfigured at a speed
-	 * lower than its max, e.g. if a dTSEC later negotiates a 100Mbps link.
-	 * In such cases, we ought to reconfigure the threshold, too.
+	/* Set different thresholds based on the configured MAC speed.
+	 * This may turn suboptimal if the MAC is reconfigured at another
+	 * speed, so MACs must call dpaa_eth_cgr_set_speed in their adjust_link
+	 * callback.
 	 */
 	if (priv->mac_dev->if_support & SUPPORTED_10000baseT_Full)
 		cs_th = DPAA_CS_THRESHOLD_10G;
@@ -858,6 +863,31 @@ out_error:
 	return err;
 }
 
+static void dpaa_eth_cgr_set_speed(struct mac_device *mac_dev, int speed)
+{
+	struct net_device *net_dev = mac_dev->net_dev;
+	struct dpaa_priv *priv = netdev_priv(net_dev);
+	struct qm_mcc_initcgr opts = { };
+	u32 cs_th;
+	int err;
+
+	opts.we_mask = cpu_to_be16(QM_CGR_WE_CS_THRES);
+	switch (speed) {
+	case SPEED_10000:
+		cs_th = DPAA_CS_THRESHOLD_10G;
+		break;
+	case SPEED_1000:
+	default:
+		cs_th = DPAA_CS_THRESHOLD_1G;
+		break;
+	}
+	qm_cgr_cs_thres_set64(&opts.cgr.cs_thres, cs_th, 1);
+
+	err = qman_update_cgr_safe(&priv->cgr_data.cgr, &opts);
+	if (err)
+		netdev_err(net_dev, "could not update speed: %d\n", err);
+}
+
 static inline void dpaa_setup_ingress(const struct dpaa_priv *priv,
 				      struct dpaa_fq *fq,
 				      const struct qman_fq *template)
@@ -2946,11 +2976,12 @@ static int dpaa_open(struct net_device *net_dev)
 			goto mac_start_failed;
 	}
 
-	err = priv->mac_dev->start(mac_dev);
+	err = priv->mac_dev->enable(mac_dev->fman_mac);
 	if (err < 0) {
-		netif_err(priv, ifup, net_dev, "mac_dev->start() = %d\n", err);
+		netif_err(priv, ifup, net_dev, "mac_dev->enable() = %d\n", err);
 		goto mac_start_failed;
 	}
+	phy_start(priv->mac_dev->phy_dev);
 
 	netif_tx_start_all_queues(net_dev);
 
@@ -3152,8 +3183,7 @@ static int dpaa_napi_add(struct net_device *net_dev)
 	for_each_possible_cpu(cpu) {
 		percpu_priv = per_cpu_ptr(priv->percpu_priv, cpu);
 
-		netif_napi_add(net_dev, &percpu_priv->np.napi,
-			       dpaa_eth_poll, NAPI_POLL_WEIGHT);
+		netif_napi_add(net_dev, &percpu_priv->np.napi, dpaa_eth_poll);
 	}
 
 	return 0;