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dpaa_eth: add the get_ts_info interface for ethtool

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

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu 2018-06-25 20:37:16 +08:00 committed by David S. Miller
parent 4664856e9c
commit 17ae0b0ee9
1 changed files with 39 additions and 0 deletions
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39
drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
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@ -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,
};