This patch is to add fman_port_get_tstamp_field() interface to get timestamp field data.
Signed-off-by: Yangbo Lu <yangbo...@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