80 lines
2.3 KiB
Diff
80 lines
2.3 KiB
Diff
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From 0ade532080c8cc777cd2af78b11040a353b89880 Mon Sep 17 00:00:00 2001
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From: Yangbo Lu <yangbo.lu@nxp.com>
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Date: Thu, 1 Nov 2018 10:34:52 +0800
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Subject: [PATCH] sdk_dpaa: add the get_ts_info interface for ethtool
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Added the get_ts_info interface for ethtool to check
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the timestamping capability.
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Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
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---
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.../net/ethernet/freescale/sdk_dpaa/dpaa_ethtool.c | 45 ++++++++++++++++++++++
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1 file changed, 45 insertions(+)
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--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_ethtool.c
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+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_ethtool.c
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@@ -39,6 +39,9 @@
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#endif
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#include <linux/string.h>
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+#include <linux/of_platform.h>
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+#include <linux/net_tstamp.h>
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+#include <linux/fsl/ptp_qoriq.h>
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#include "dpaa_eth.h"
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#include "mac.h" /* struct mac_device */
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@@ -519,6 +522,47 @@ static void dpa_get_strings(struct net_d
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memcpy(strings, dpa_stats_global, size);
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}
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+static int dpaa_get_ts_info(struct net_device *net_dev,
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+ struct ethtool_ts_info *info)
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+{
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+ struct dpa_priv_s *priv = netdev_priv(net_dev);
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+ struct device *dev = priv->mac_dev->dev;
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+ struct device_node *mac_node = dev->of_node;
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+ struct device_node *fman_node = NULL, *ptp_node = NULL;
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+ struct platform_device *ptp_dev = NULL;
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+ struct qoriq_ptp *ptp = NULL;
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+
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+ info->phc_index = -1;
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+
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+ fman_node = of_get_parent(mac_node);
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+ if (fman_node)
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+ ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
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+
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+ if (ptp_node)
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+ ptp_dev = of_find_device_by_node(ptp_node);
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+
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+ if (ptp_dev)
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+ ptp = platform_get_drvdata(ptp_dev);
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+
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+ if (ptp)
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+ info->phc_index = ptp->phc_index;
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+
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+#ifdef CONFIG_FSL_DPAA_TS
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+ info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
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+ SOF_TIMESTAMPING_RX_HARDWARE |
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+ SOF_TIMESTAMPING_RAW_HARDWARE;
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+ info->tx_types = (1 << HWTSTAMP_TX_OFF) |
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+ (1 << HWTSTAMP_TX_ON);
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+ info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
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+ (1 << HWTSTAMP_FILTER_ALL);
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+#else
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+ info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
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+ SOF_TIMESTAMPING_SOFTWARE;
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+#endif
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+
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+ return 0;
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+}
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+
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const struct ethtool_ops dpa_ethtool_ops = {
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.get_link_ksettings = dpa_get_ksettings,
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.set_link_ksettings = dpa_set_ksettings,
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@@ -539,4 +583,5 @@ const struct ethtool_ops dpa_ethtool_ops
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.get_wol = dpa_get_wol,
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.set_wol = dpa_set_wol,
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#endif
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+ .get_ts_info = dpaa_get_ts_info,
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};
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