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Commit 17ae0b0e authored by Yangbo Lu's avatar Yangbo Lu Committed by David S. Miller
Browse files

dpaa_eth: add the get_ts_info interface for ethtool 



Added the get_ts_info interface for ethtool to check
the timestamping capability.

Signed-off-by: default avatarYangbo Lu <yangbo.lu@nxp.com>
Acked-by: default avatarRichard Cochran <richardcochran@gmail.com>
Acked-by: default avatarMadalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4664856e

drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c

+39 −0
Original line number Diff line number Diff line
@@ -32,6 +32,9 @@ 
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt



#include <linux/string.h>

#include <linux/of_platform.h>

#include <linux/net_tstamp.h>

#include <linux/fsl/ptp_qoriq.h>



#include "dpaa_eth.h"

#include "mac.h"
@@ -515,6 +518,41 @@ static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 
	return ret;

}



static int dpaa_get_ts_info(struct net_device *net_dev,

			    struct ethtool_ts_info *info)

{

	struct device *dev = net_dev->dev.parent;

	struct device_node *mac_node = dev->of_node;

	struct device_node *fman_node = NULL, *ptp_node = NULL;

	struct platform_device *ptp_dev = NULL;

	struct qoriq_ptp *ptp = NULL;



	info->phc_index = -1;



	fman_node = of_get_parent(mac_node);

	if (fman_node)

		ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);



	if (ptp_node)

		ptp_dev = of_find_device_by_node(ptp_node);



	if (ptp_dev)

		ptp = platform_get_drvdata(ptp_dev);



	if (ptp)

		info->phc_index = ptp->phc_index;



	info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |

				SOF_TIMESTAMPING_RX_HARDWARE |

				SOF_TIMESTAMPING_RAW_HARDWARE;

	info->tx_types = (1 << HWTSTAMP_TX_OFF) |

			 (1 << HWTSTAMP_TX_ON);

	info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |

			   (1 << HWTSTAMP_FILTER_ALL);



	return 0;

}



const struct ethtool_ops dpaa_ethtool_ops = {

	.get_drvinfo = dpaa_get_drvinfo,

	.get_msglevel = dpaa_get_msglevel,
@@ -530,4 +568,5 @@ const struct ethtool_ops dpaa_ethtool_ops = { 
	.set_link_ksettings = dpaa_set_link_ksettings,

	.get_rxnfc = dpaa_get_rxnfc,

	.set_rxnfc = dpaa_set_rxnfc,

	.get_ts_info = dpaa_get_ts_info,

};