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Commit 3ba8c81e authored by Antoine Tenart's avatar Antoine Tenart Committed by David S. Miller
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net: mvpp2: move the mac retrieval/copy logic into its own function 



The MAC retrieval has a quite complicated logic (which is broken). Moves
it to its own function to prepare for patches fixing its logic, so that
reviews are easier.

Signed-off-by: default avatarAntoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b63f6044

drivers/net/ethernet/marvell/mvpp2.c

+27 −18
Original line number Diff line number Diff line
@@ -7465,6 +7465,31 @@ static bool mvpp2_port_has_tx_irqs(struct mvpp2 *priv, 
	return true;

}



static void mvpp2_port_copy_mac_addr(struct net_device *dev, struct mvpp2 *priv,

				     struct device_node *port_node,

				     char **mac_from)

{

	struct mvpp2_port *port = netdev_priv(dev);

	char hw_mac_addr[ETH_ALEN] = {0};

	const char *dt_mac_addr;



	dt_mac_addr = of_get_mac_address(port_node);

	if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) {

		*mac_from = "device tree";

		ether_addr_copy(dev->dev_addr, dt_mac_addr);

	} else {

		if (priv->hw_version == MVPP21)

			mvpp21_get_mac_address(port, hw_mac_addr);

		if (is_valid_ether_addr(hw_mac_addr)) {

			*mac_from = "hardware";

			ether_addr_copy(dev->dev_addr, hw_mac_addr);

		} else {

			*mac_from = "random";

			eth_hw_addr_random(dev);

		}

	}

}



/* Ports initialization */

static int mvpp2_port_probe(struct platform_device *pdev,

			    struct device_node *port_node,
@@ -7476,9 +7501,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, 
	struct mvpp2_port_pcpu *port_pcpu;

	struct net_device *dev;

	struct resource *res;

	const char *dt_mac_addr;

	const char *mac_from;

	char hw_mac_addr[ETH_ALEN] = {0};

	char *mac_from = "";

	unsigned int ntxqs, nrxqs;

	bool has_tx_irqs;

	u32 id;
@@ -7587,21 +7610,7 @@ static int mvpp2_port_probe(struct platform_device *pdev, 
		goto err_free_irq;

	}



	dt_mac_addr = of_get_mac_address(port_node);

	if (dt_mac_addr && is_valid_ether_addr(dt_mac_addr)) {

		mac_from = "device tree";

		ether_addr_copy(dev->dev_addr, dt_mac_addr);

	} else {

		if (priv->hw_version == MVPP21)

			mvpp21_get_mac_address(port, hw_mac_addr);

		if (is_valid_ether_addr(hw_mac_addr)) {

			mac_from = "hardware";

			ether_addr_copy(dev->dev_addr, hw_mac_addr);

		} else {

			mac_from = "random";

			eth_hw_addr_random(dev);

		}

	}

	mvpp2_port_copy_mac_addr(dev, priv, port_node, &mac_from);



	port->tx_ring_size = MVPP2_MAX_TXD;

	port->rx_ring_size = MVPP2_MAX_RXD;