1 files changed, 132 insertions, 103 deletions

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index 82c49095c045..c26e3b662474 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -953,13 +953,13 @@ static void mvpp2_bm_pool_update_fc(struct mvpp2_port *port,
 static void mvpp2_bm_pool_update_priv_fc(struct mvpp2 *priv, bool en)
 {
 	struct mvpp2_port *port;
-	int i;
+	int i, j;
 
 	for (i = 0; i < priv->port_count; i++) {
 		port = priv->port_list[i];
 		if (port->priv->percpu_pools) {
-			for (i = 0; i < port->nrxqs; i++)
-				mvpp2_bm_pool_update_fc(port, &port->priv->bm_pools[i],
+			for (j = 0; j < port->nrxqs; j++)
+				mvpp2_bm_pool_update_fc(port, &port->priv->bm_pools[j],
 							port->tx_fc & en);
 		} else {
 			mvpp2_bm_pool_update_fc(port, port->pool_long, port->tx_fc & en);
@@ -1375,7 +1375,7 @@ static int mvpp2_bm_update_mtu(struct net_device *dev, int mtu)
 	}
 
 out_set:
-	dev->mtu = mtu;
+	WRITE_ONCE(dev->mtu, mtu);
 	dev->wanted_features = dev->features;
 
 	netdev_update_features(dev);
@@ -1985,45 +1985,32 @@ static void mvpp2_ethtool_get_strings(struct net_device *netdev, u32 sset,
 				      u8 *data)
 {
 	struct mvpp2_port *port = netdev_priv(netdev);
+	const char *str;
 	int i, q;
 
 	if (sset != ETH_SS_STATS)
 		return;
 
-	for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_mib_regs); i++) {
-		strscpy(data, mvpp2_ethtool_mib_regs[i].string,
-			ETH_GSTRING_LEN);
-		data += ETH_GSTRING_LEN;
-	}
+	for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_mib_regs); i++)
+		ethtool_puts(&data, mvpp2_ethtool_mib_regs[i].string);
 
-	for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_port_regs); i++) {
-		strscpy(data, mvpp2_ethtool_port_regs[i].string,
-			ETH_GSTRING_LEN);
-		data += ETH_GSTRING_LEN;
-	}
+	for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_port_regs); i++)
+		ethtool_puts(&data, mvpp2_ethtool_port_regs[i].string);
 
-	for (q = 0; q < port->ntxqs; q++) {
+	for (q = 0; q < port->ntxqs; q++)
 		for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_txq_regs); i++) {
-			snprintf(data, ETH_GSTRING_LEN,
-				 mvpp2_ethtool_txq_regs[i].string, q);
-			data += ETH_GSTRING_LEN;
+			str = mvpp2_ethtool_txq_regs[i].string;
+			ethtool_sprintf(&data, str, q);
 		}
-	}
 
-	for (q = 0; q < port->nrxqs; q++) {
+	for (q = 0; q < port->nrxqs; q++)
 		for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_rxq_regs); i++) {
-			snprintf(data, ETH_GSTRING_LEN,
-				 mvpp2_ethtool_rxq_regs[i].string,
-				 q);
-			data += ETH_GSTRING_LEN;
+			str = mvpp2_ethtool_rxq_regs[i].string;
+			ethtool_sprintf(&data, str, q);
 		}
-	}
 
-	for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_xdp); i++) {
-		strscpy(data, mvpp2_ethtool_xdp[i].string,
-			ETH_GSTRING_LEN);
-		data += ETH_GSTRING_LEN;
-	}
+	for (i = 0; i < ARRAY_SIZE(mvpp2_ethtool_xdp); i++)
+		ethtool_puts(&data, mvpp2_ethtool_xdp[i].string);
 }
 
 static void
@@ -4014,7 +4001,10 @@ static int mvpp2_rx(struct mvpp2_port *port, struct napi_struct *napi,
 			}
 		}
 
-		skb = build_skb(data, frag_size);
+		if (frag_size)
+			skb = build_skb(data, frag_size);
+		else
+			skb = slab_build_skb(data);
 		if (!skb) {
 			netdev_warn(port->dev, "skb build failed\n");
 			goto err_drop_frame;
@@ -5256,7 +5246,7 @@ static int mvpp2_get_ts_config(struct mvpp2_port *port, struct ifreq *ifr)
 }
 
 static int mvpp2_ethtool_get_ts_info(struct net_device *dev,
-				     struct ethtool_ts_info *info)
+				     struct kernel_ethtool_ts_info *info)
 {
 	struct mvpp2_port *port = netdev_priv(dev);
 
@@ -5265,8 +5255,6 @@ static int mvpp2_ethtool_get_ts_info(struct net_device *dev,
 
 	info->phc_index = mvpp22_tai_ptp_clock_index(port->priv->tai);
 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
-				SOF_TIMESTAMPING_RX_SOFTWARE |
-				SOF_TIMESTAMPING_SOFTWARE |
 				SOF_TIMESTAMPING_TX_HARDWARE |
 				SOF_TIMESTAMPING_RX_HARDWARE |
 				SOF_TIMESTAMPING_RAW_HARDWARE;
@@ -5693,42 +5681,84 @@ static int mvpp2_ethtool_get_rxfh(struct net_device *dev,
 	return ret;
 }
 
-static int mvpp2_ethtool_set_rxfh(struct net_device *dev,
-				  struct ethtool_rxfh_param *rxfh,
-				  struct netlink_ext_ack *extack)
+static bool mvpp2_ethtool_rxfh_okay(struct mvpp2_port *port,
+				    const struct ethtool_rxfh_param *rxfh)
 {
-	struct mvpp2_port *port = netdev_priv(dev);
-	u32 *rss_context = &rxfh->rss_context;
-	int ret = 0;
-
 	if (!mvpp22_rss_is_supported(port))
-		return -EOPNOTSUPP;
+		return false;
 
 	if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
 	    rxfh->hfunc != ETH_RSS_HASH_CRC32)
-		return -EOPNOTSUPP;
+		return false;
 
 	if (rxfh->key)
+		return false;
+
+	return true;
+}
+
+static int mvpp2_create_rxfh_context(struct net_device *dev,
+				     struct ethtool_rxfh_context *ctx,
+				     const struct ethtool_rxfh_param *rxfh,
+				     struct netlink_ext_ack *extack)
+{
+	struct mvpp2_port *port = netdev_priv(dev);
+	int ret = 0;
+
+	if (!mvpp2_ethtool_rxfh_okay(port, rxfh))
 		return -EOPNOTSUPP;
 
-	if (*rss_context && rxfh->rss_delete)
-		return mvpp22_port_rss_ctx_delete(port, *rss_context);
+	ctx->hfunc = ETH_RSS_HASH_CRC32;
 
-	if (*rss_context == ETH_RXFH_CONTEXT_ALLOC) {
-		ret = mvpp22_port_rss_ctx_create(port, rss_context);
-		if (ret)
-			return ret;
-	}
+	ret = mvpp22_port_rss_ctx_create(port, rxfh->rss_context);
+	if (ret)
+		return ret;
 
-	if (rxfh->indir)
-		ret = mvpp22_port_rss_ctx_indir_set(port, *rss_context,
+	if (!rxfh->indir)
+		ret = mvpp22_port_rss_ctx_indir_get(port, rxfh->rss_context,
+						    ethtool_rxfh_context_indir(ctx));
+	else
+		ret = mvpp22_port_rss_ctx_indir_set(port, rxfh->rss_context,
 						    rxfh->indir);
+	return ret;
+}
+
+static int mvpp2_modify_rxfh_context(struct net_device *dev,
+				     struct ethtool_rxfh_context *ctx,
+				     const struct ethtool_rxfh_param *rxfh,
+				     struct netlink_ext_ack *extack)
+{
+	struct mvpp2_port *port = netdev_priv(dev);
+	int ret = 0;
 
+	if (!mvpp2_ethtool_rxfh_okay(port, rxfh))
+		return -EOPNOTSUPP;
+
+	if (rxfh->indir)
+		ret = mvpp22_port_rss_ctx_indir_set(port, rxfh->rss_context,
+						    rxfh->indir);
 	return ret;
 }
 
+static int mvpp2_remove_rxfh_context(struct net_device *dev,
+				     struct ethtool_rxfh_context *ctx,
+				     u32 rss_context,
+				     struct netlink_ext_ack *extack)
+{
+	struct mvpp2_port *port = netdev_priv(dev);
+
+	return mvpp22_port_rss_ctx_delete(port, rss_context);
+}
+
+static int mvpp2_ethtool_set_rxfh(struct net_device *dev,
+				  struct ethtool_rxfh_param *rxfh,
+				  struct netlink_ext_ack *extack)
+{
+	return mvpp2_modify_rxfh_context(dev, NULL, rxfh, extack);
+}
+
 static int mvpp2_ethtool_get_eee(struct net_device *dev,
-				 struct ethtool_eee *eee)
+				 struct ethtool_keee *eee)
 {
 	struct mvpp2_port *port = netdev_priv(dev);
 
@@ -5739,7 +5769,7 @@ static int mvpp2_ethtool_get_eee(struct net_device *dev,
 }
 
 static int mvpp2_ethtool_set_eee(struct net_device *dev,
-				 struct ethtool_eee *eee)
+				 struct ethtool_keee *eee)
 {
 	struct mvpp2_port *port = netdev_priv(dev);
 
@@ -5768,7 +5798,7 @@ static const struct net_device_ops mvpp2_netdev_ops = {
 };
 
 static const struct ethtool_ops mvpp2_eth_tool_ops = {
-	.cap_rss_ctx_supported	= true,
+	.rxfh_max_num_contexts	= MVPP22_N_RSS_TABLES,
 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
 				     ETHTOOL_COALESCE_MAX_FRAMES,
 	.nway_reset		= mvpp2_ethtool_nway_reset,
@@ -5791,6 +5821,9 @@ static const struct ethtool_ops mvpp2_eth_tool_ops = {
 	.get_rxfh_indir_size	= mvpp2_ethtool_get_rxfh_indir_size,
 	.get_rxfh		= mvpp2_ethtool_get_rxfh,
 	.set_rxfh		= mvpp2_ethtool_set_rxfh,
+	.create_rxfh_context	= mvpp2_create_rxfh_context,
+	.modify_rxfh_context	= mvpp2_modify_rxfh_context,
+	.remove_rxfh_context	= mvpp2_remove_rxfh_context,
 	.get_eee		= mvpp2_ethtool_get_eee,
 	.set_eee		= mvpp2_ethtool_set_eee,
 };
@@ -6179,6 +6212,7 @@ static struct mvpp2_port *mvpp2_pcs_gmac_to_port(struct phylink_pcs *pcs)
 }
 
 static void mvpp2_xlg_pcs_get_state(struct phylink_pcs *pcs,
+				    unsigned int neg_mode,
 				    struct phylink_link_state *state)
 {
 	struct mvpp2_port *port = mvpp2_pcs_xlg_to_port(pcs);
@@ -6215,8 +6249,8 @@ static const struct phylink_pcs_ops mvpp2_phylink_xlg_pcs_ops = {
 	.pcs_config = mvpp2_xlg_pcs_config,
 };
 
-static unsigned int mvpp2_gmac_pcs_query_inband(struct phylink_pcs *pcs,
-						phy_interface_t interface)
+static unsigned int mvpp2_gmac_pcs_inband_caps(struct phylink_pcs *pcs,
+					       phy_interface_t interface)
 {
 	/* When operating in an 802.3z mode, we must have AN enabled:
 	 * Bit 2 Field InBandAnEn In-band Auto-Negotiation enable. ...
@@ -6238,6 +6272,7 @@ static unsigned int mvpp2_gmac_pcs_query_inband(struct phylink_pcs *pcs,
 }
 
 static void mvpp2_gmac_pcs_get_state(struct phylink_pcs *pcs,
+				     unsigned int neg_mode,
 				     struct phylink_link_state *state)
 {
 	struct mvpp2_port *port = mvpp2_pcs_gmac_to_port(pcs);
@@ -6341,7 +6376,7 @@ static void mvpp2_gmac_pcs_an_restart(struct phylink_pcs *pcs)
 }
 
 static const struct phylink_pcs_ops mvpp2_phylink_gmac_pcs_ops = {
-	.pcs_query_inband = mvpp2_gmac_pcs_query_inband,
+	.pcs_inband_caps = mvpp2_gmac_pcs_inband_caps,
 	.pcs_get_state = mvpp2_gmac_pcs_get_state,
 	.pcs_config = mvpp2_gmac_pcs_config,
 	.pcs_an_restart = mvpp2_gmac_pcs_an_restart,
@@ -6663,7 +6698,8 @@ static void mvpp2_mac_link_down(struct phylink_config *config,
 	mvpp2_port_disable(port);
 }
 
-static void mvpp2_mac_disable_tx_lpi(struct phylink_config *config)
+static void mvpp2_mac_disable_tx_lpi(struct phylink_config *config,
+				     phy_interface_t interface)
 {
 	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
 
@@ -6671,10 +6707,15 @@ static void mvpp2_mac_disable_tx_lpi(struct phylink_config *config)
 		     MVPP2_GMAC_LPI_CTRL1_REQ_EN, 0);
 }
 
-static void mvpp2_mac_enable_tx_lpi(struct phylink_config *config, u32 timer)
+static int mvpp2_mac_enable_tx_lpi(struct phylink_config *config,
+				   phy_interface_t interface, u32 timer,
+				   bool tx_clk_stop)
 {
 	struct mvpp2_port *port = mvpp2_phylink_to_port(config);
-	u32 ts, tw, lpi0, lpi1, status;
+	u32 ts, tw, lpi1, status;
+
+	if (interface != PHY_INTERFACE_MODE_SGMII)
+		return -EOPNOTSUPP;
 
 	status = readl(port->base + MVPP2_GMAC_STATUS0);
 	if (status & MVPP2_GMAC_STATUS0_GMII_SPEED) {
@@ -6694,24 +6735,21 @@ static void mvpp2_mac_enable_tx_lpi(struct phylink_config *config, u32 timer)
 	if (ts > 255)
 		ts = 255;
 
-	/* Ensure LPI generation is disabled */
-	lpi1 = readl(port->base + MVPP2_GMAC_LPI_CTRL1);
-	writel(lpi1 & ~MVPP2_GMAC_LPI_CTRL1_REQ_EN,
-	       port->base + MVPP2_GMAC_LPI_CTRL1);
-
 	/* Configure ts */
-	lpi0 = readl(port->base + MVPP2_GMAC_LPI_CTRL0);
-	lpi0 &= ~MVPP2_GMAC_LPI_CTRL0_TS_MASK;
-	lpi0 |= FIELD_PREP(MVPP2_GMAC_LPI_CTRL0_TS_MASK, ts);
-	writel(lpi0, port->base + MVPP2_GMAC_LPI_CTRL0);
+	mvpp2_modify(port->base + MVPP2_GMAC_LPI_CTRL0,
+		     MVPP2_GMAC_LPI_CTRL0_TS_MASK,
+		     FIELD_PREP(MVPP2_GMAC_LPI_CTRL0_TS_MASK, ts));
+
+	lpi1 = readl(port->base + MVPP2_GMAC_LPI_CTRL1);
 
 	/* Configure tw */
-	lpi1 &= ~MVPP2_GMAC_LPI_CTRL1_TW_MASK;
-	lpi1 |= FIELD_PREP(MVPP2_GMAC_LPI_CTRL1_TW_MASK, tw);
+	lpi1 = u32_replace_bits(lpi1, tw, MVPP2_GMAC_LPI_CTRL1_TW_MASK);
 
 	/* Enable LPI generation */
 	writel(lpi1 | MVPP2_GMAC_LPI_CTRL1_REQ_EN,
 	       port->base + MVPP2_GMAC_LPI_CTRL1);
+
+	return 0;
 }
 
 static const struct phylink_mac_ops mvpp2_phylink_ops = {
@@ -6988,6 +7026,7 @@ static int mvpp2_port_probe(struct platform_device *pdev,
 	/* 9704 == 9728 - 20 and rounding to 8 */
 	dev->max_mtu = MVPP2_BM_JUMBO_PKT_SIZE;
 	device_set_node(&dev->dev, port_fwnode);
+	dev->dev_port = port->id;
 
 	port->pcs_gmac.ops = &mvpp2_phylink_gmac_pcs_ops;
 	port->pcs_gmac.neg_mode = true;
@@ -6999,9 +7038,15 @@ static int mvpp2_port_probe(struct platform_device *pdev,
 		port->phylink_config.type = PHYLINK_NETDEV;
 		port->phylink_config.mac_capabilities =
 			MAC_2500FD | MAC_1000FD | MAC_100 | MAC_10;
-		port->phylink_config.lpi_capabilities =
-			MAC_2500FD | MAC_1000FD | MAC_100FD;
-		port->phylink_config.lpi_timer_limit_us = 255;
+
+		__set_bit(PHY_INTERFACE_MODE_SGMII,
+			  port->phylink_config.lpi_interfaces);
+
+		port->phylink_config.lpi_capabilities = MAC_1000FD | MAC_100FD;
+
+		/* Setup EEE.  Choose 250us idle. */
+		port->phylink_config.lpi_timer_default = 250;
+		port->phylink_config.eee_enabled_default = true;
 
 		if (port->priv->global_tx_fc)
 			port->phylink_config.mac_capabilities |=
@@ -7070,11 +7115,6 @@ static int mvpp2_port_probe(struct platform_device *pdev,
 				  port->phylink_config.supported_interfaces);
 		}
 
-		/* Setup EEE.  Choose 250us idle. */
-		port->phylink_config.eee.eee_enabled = true;
-		port->phylink_config.eee.tx_lpi_enabled = true;
-		port->phylink_config.eee.tx_lpi_timer = 250;
-
 		phylink = phylink_create(&port->phylink_config, port_fwnode,
 					 phy_mode, &mvpp2_phylink_ops);
 		if (IS_ERR(phylink)) {
@@ -7082,6 +7122,8 @@ static int mvpp2_port_probe(struct platform_device *pdev,
 			goto err_free_port_pcpu;
 		}
 		port->phylink = phylink;
+
+		mvpp2_mac_disable_tx_lpi(&port->phylink_config, phy_mode);
 	} else {
 		dev_warn(&pdev->dev, "Use link irqs for port#%d. FW update required\n", port->id);
 		port->phylink = NULL;
@@ -7505,8 +7547,6 @@ static int mvpp2_get_sram(struct platform_device *pdev,
 
 static int mvpp2_probe(struct platform_device *pdev)
 {
-	struct fwnode_handle *fwnode = pdev->dev.fwnode;
-	struct fwnode_handle *port_fwnode;
 	struct mvpp2 *priv;
 	struct resource *res;
 	void __iomem *base;
@@ -7679,7 +7719,7 @@ static int mvpp2_probe(struct platform_device *pdev)
 	}
 
 	/* Map DTS-active ports. Should be done before FIFO mvpp2_init */
-	fwnode_for_each_available_child_node(fwnode, port_fwnode) {
+	device_for_each_child_node_scoped(&pdev->dev, port_fwnode) {
 		if (!fwnode_property_read_u32(port_fwnode, "port-id", &i))
 			priv->port_map |= BIT(i);
 	}
@@ -7702,7 +7742,7 @@ static int mvpp2_probe(struct platform_device *pdev)
 		goto err_axi_clk;
 
 	/* Initialize ports */
-	fwnode_for_each_available_child_node(fwnode, port_fwnode) {
+	device_for_each_child_node_scoped(&pdev->dev, port_fwnode) {
 		err = mvpp2_port_probe(pdev, port_fwnode, priv);
 		if (err < 0)
 			goto err_port_probe;
@@ -7741,14 +7781,8 @@ static int mvpp2_probe(struct platform_device *pdev)
 	return 0;
 
 err_port_probe:
-	fwnode_handle_put(port_fwnode);
-
-	i = 0;
-	fwnode_for_each_available_child_node(fwnode, port_fwnode) {
-		if (priv->port_list[i])
-			mvpp2_port_remove(priv->port_list[i]);
-		i++;
-	}
+	for (i = 0; i < priv->port_count; i++)
+		mvpp2_port_remove(priv->port_list[i]);
 err_axi_clk:
 	clk_disable_unprepare(priv->axi_clk);
 err_mg_core_clk:
@@ -7765,18 +7799,13 @@ err_pp_clk:
 static void mvpp2_remove(struct platform_device *pdev)
 {
 	struct mvpp2 *priv = platform_get_drvdata(pdev);
-	struct fwnode_handle *fwnode = pdev->dev.fwnode;
-	int i = 0, poolnum = MVPP2_BM_POOLS_NUM;
-	struct fwnode_handle *port_fwnode;
+	int i, poolnum = MVPP2_BM_POOLS_NUM;
 
 	mvpp2_dbgfs_cleanup(priv);
 
-	fwnode_for_each_available_child_node(fwnode, port_fwnode) {
-		if (priv->port_list[i]) {
-			mutex_destroy(&priv->port_list[i]->gather_stats_lock);
-			mvpp2_port_remove(priv->port_list[i]);
-		}
-		i++;
+	for (i = 0; i < priv->port_count; i++) {
+		mutex_destroy(&priv->port_list[i]->gather_stats_lock);
+		mvpp2_port_remove(priv->port_list[i]);
 	}
 
 	destroy_workqueue(priv->stats_queue);
@@ -7799,7 +7828,7 @@ static void mvpp2_remove(struct platform_device *pdev)
 				  aggr_txq->descs_dma);
 	}
 
-	if (is_acpi_node(port_fwnode))
+	if (!dev_of_node(&pdev->dev))
 		return;
 
 	clk_disable_unprepare(priv->axi_clk);
@@ -7832,7 +7861,7 @@ MODULE_DEVICE_TABLE(acpi, mvpp2_acpi_match);
 
 static struct platform_driver mvpp2_driver = {
 	.probe = mvpp2_probe,
-	.remove_new = mvpp2_remove,
+	.remove = mvpp2_remove,
 	.driver = {
 		.name = MVPP2_DRIVER_NAME,
 		.of_match_table = mvpp2_match,