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net: xilinx: emaclite: add minimal ethtool ops 

This set adds a minimal set of ethtool hooks to the driver, which provide a
decent amount of link information via ethtool.
With this change, running `ethtool ethX` in user-space provides all the
neatly-formatted information about the link (what was negotiated, what is
advertised, etc).

Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Reviewed-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexandru Ardelean 2019-04-08 12:01:36 +03:00 committed by David S. Miller
parent fd69c399c7
commit 9a80ba067a
1 changed files with 23 additions and 0 deletions
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23
drivers/net/ethernet/xilinx/xilinx_emaclite.c
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@ -17,6 +17,7 @@
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/ethtool.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/of_address.h>
@ -1078,6 +1079,27 @@ static bool get_bool(struct platform_device *ofdev, const char *s)
return (bool)*p;
}
/**
* xemaclite_ethtools_get_drvinfo - Get various Axi Emac Lite driver info
* @ndev: Pointer to net_device structure
* @ed: Pointer to ethtool_drvinfo structure
*
* This implements ethtool command for getting the driver information.
* Issue "ethtool -i ethX" under linux prompt to execute this function.
*/
static void xemaclite_ethtools_get_drvinfo(struct net_device *ndev,
struct ethtool_drvinfo *ed)
{
strlcpy(ed->driver, DRIVER_NAME, sizeof(ed->driver));
}
static const struct ethtool_ops xemaclite_ethtool_ops = {
.get_drvinfo = xemaclite_ethtools_get_drvinfo,
.get_link = ethtool_op_get_link,
.get_link_ksettings = phy_ethtool_get_link_ksettings,
.set_link_ksettings = phy_ethtool_set_link_ksettings,
};
static const struct net_device_ops xemaclite_netdev_ops;
/**
@ -1164,6 +1186,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
dev_info(dev, "MAC address is now %pM\n", ndev->dev_addr);
ndev->netdev_ops = &xemaclite_netdev_ops;
ndev->ethtool_ops = &xemaclite_ethtool_ops;
ndev->flags &= ~IFF_MULTICAST;
ndev->watchdog_timeo = TX_TIMEOUT;