From: Yangbo Lu <yangbo.lu@nxp.com>
To: netdev@vger.kernel.org, madalin.bucur@nxp.com,
Richard Cochran <richardcochran@gmail.com>,
Rob Herring <robh+dt@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
"David S . Miller" <davem@davemloft.net>
Cc: devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Yangbo Lu <yangbo.lu@nxp.com>
Subject: [v4, 07/10] fsl/fman_port: support getting timestamp
Date: Mon, 25 Jun 2018 20:37:13 +0800 [thread overview]
Message-ID: <20180625123716.28993-8-yangbo.lu@nxp.com> (raw)
In-Reply-To: <20180625123716.28993-1-yangbo.lu@nxp.com>
This patch is to add fman_port_get_tstamp() interface
to get timestamp.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
---
Changes for v2:
- None.
Changes for v3:
- Moved endianness conversion from dpaa to fman API.
Changes for v4:
- Fixed kbuild issue.
---
drivers/net/ethernet/freescale/fman/fman_port.c | 12 ++++++++++++
drivers/net/ethernet/freescale/fman/fman_port.h | 2 ++
2 files changed, 14 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c
index ce6e24c..4a2d960 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.c
+++ b/drivers/net/ethernet/freescale/fman/fman_port.c
@@ -1731,6 +1731,18 @@ int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset)
}
EXPORT_SYMBOL(fman_port_get_hash_result_offset);
+int fman_port_get_tstamp(struct fman_port *port, const void *data, u64 *tstamp)
+{
+ if (port->buffer_offsets.time_stamp_offset == ILLEGAL_BASE)
+ return -EINVAL;
+
+ *tstamp = be64_to_cpu(*(__be64 *)(data +
+ port->buffer_offsets.time_stamp_offset));
+
+ return 0;
+}
+EXPORT_SYMBOL(fman_port_get_tstamp);
+
static int fman_port_probe(struct platform_device *of_dev)
{
struct fman_port *port;
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.h b/drivers/net/ethernet/freescale/fman/fman_port.h
index e86ca6a..9dbb69f 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.h
+++ b/drivers/net/ethernet/freescale/fman/fman_port.h
@@ -153,6 +153,8 @@ int fman_port_cfg_buf_prefix_content(struct fman_port *port,
int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset);
+int fman_port_get_tstamp(struct fman_port *port, const void *data, u64 *tstamp);
+
struct fman_port *fman_port_bind(struct device *dev);
#endif /* __FMAN_PORT_H */
--
1.7.1
next prev parent reply other threads:[~2018-06-25 12:39 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-25 12:37 [v4, 00/10] Support DPAA PTP clock and timestamping Yangbo Lu
2018-06-25 12:37 ` [v4, 01/10] fsl/fman: share the event interrupt Yangbo Lu
2018-06-25 12:37 ` [v4, 02/10] ptp: support DPAA FMan 1588 timer in ptp_qoriq Yangbo Lu
2018-06-25 12:37 ` [v4, 03/10] dt-binding: ptp_qoriq: add DPAA FMan support Yangbo Lu
2018-06-25 12:37 ` [v4, 04/10] powerpc/mpc85xx: move ptp timer out of fman in dts Yangbo Lu
2018-06-25 12:37 ` [v4, 05/10] arm64: dts: fsl: move ptp timer out of fman Yangbo Lu
2018-06-25 12:37 ` [v4, 06/10] fsl/fman: add set_tstamp interface Yangbo Lu
2018-06-25 12:37 ` Yangbo Lu [this message]
2018-06-25 12:37 ` [v4, 08/10] fsl/fman: define frame description command UPD Yangbo Lu
2018-06-25 12:37 ` [v4, 09/10] dpaa_eth: add support for hardware timestamping Yangbo Lu
2018-06-25 12:37 ` [v4, 10/10] dpaa_eth: add the get_ts_info interface for ethtool Yangbo Lu
2018-06-26 13:18 ` [v4, 00/10] Support DPAA PTP clock and timestamping David Miller
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