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Subject[PATCH 07/10] fsl/fman_port: support getting timestamp field
Date
This patch is to add fman_port_get_tstamp_field() interface
to get timestamp field data.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
---
drivers/net/ethernet/freescale/fman/fman_port.c | 12 ++++++++++++
drivers/net/ethernet/freescale/fman/fman_port.h | 3 +++
2 files changed, 15 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..86f0094 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_field(struct fman_port *port, const void *data,
+ u64 *tstamp)
+{
+ if (port->buffer_offsets.time_stamp_offset == ILLEGAL_BASE)
+ return -EINVAL;
+
+ *tstamp = *(u64 *)(data + port->buffer_offsets.time_stamp_offset);
+
+ return 0;
+}
+EXPORT_SYMBOL(fman_port_get_tstamp_field);
+
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..d10e48d 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.h
+++ b/drivers/net/ethernet/freescale/fman/fman_port.h
@@ -153,6 +153,9 @@ 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_field(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
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