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| author | Yangbo Lu <yangbo.lu@nxp.com> | 2018-06-25 20:37:13 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-06-26 22:15:14 +0900 |
| commit | 880f874cf505681d3cfef867892ac15094afaf2b (patch) | |
| tree | 6f48706f69573082577ff4c6637c0c0259634793 /drivers/net/ethernet/freescale/fman | |
| parent | 0fab782a28e41137a76ca1ebcd5ae8ed7900f8fc (diff) | |
| download | lwn-880f874cf505681d3cfef867892ac15094afaf2b.tar.gz lwn-880f874cf505681d3cfef867892ac15094afaf2b.zip | |
fsl/fman_port: support getting timestamp
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale/fman')
| -rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_port.c | 12 | ||||
| -rw-r--r-- | 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 ce6e24c74978..4a2d9605bd5e 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 e86ca6a34e4e..9dbb69f40121 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.h +++ b/drivers/net/ethernet/freescale/fman/fman_port.h @@ -153,6 +153,8 @@ u32 fman_port_get_qman_channel_id(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 */ |