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| author |   Yangbo Lu <yangbo.lu@nxp.com> | 2021-06-30 16:11:57 +0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-07-01 13:08:18 -0700 |
| commit | 895487a3a10fb3a177e20dcde875515d46ccd4df (patch) | |
| tree | 469a438e482937c6b59f1f9e74c4eda96aa84bbc /include/linux/ptp_clock_kernel.h | |
| parent | ethtool: add a new command for getting PHC virtual clocks (diff) | |
| download | linux-dev-895487a3a10fb3a177e20dcde875515d46ccd4df.tar.xz linux-dev-895487a3a10fb3a177e20dcde875515d46ccd4df.zip | |
ptp: add kernel API ptp_convert_timestamp()
Add kernel API ptp_convert_timestamp() to convert raw hardware timestamp
to a specified ptp vclock time.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/ptp_clock_kernel.h')
| -rw-r--r-- | include/linux/ptp_clock_kernel.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index 300a984fec87..71fac9237725 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -12,6 +12,7 @@ #include <linux/pps_kernel.h> #include <linux/ptp_clock.h> #include <linux/timecounter.h> +#include <linux/skbuff.h> #define PTP_CLOCK_NAME_LEN 32 /** @@ -318,6 +319,15 @@ void ptp_cancel_worker_sync(struct ptp_clock *ptp); */ int ptp_get_vclocks_index(int pclock_index, int **vclock_index); +/** + * ptp_convert_timestamp() - convert timestamp to a ptp vclock time + * + * @hwtstamps: skb_shared_hwtstamps structure pointer + * @vclock_index: phc index of ptp vclock. + */ +void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps, + int vclock_index); + #else static inline struct ptp_clock *ptp_clock_register(struct ptp_clock_info *info, struct device *parent) @@ -339,6 +349,9 @@ static inline void ptp_cancel_worker_sync(struct ptp_clock *ptp) { } static inline int ptp_get_vclocks_index(int pclock_index, int **vclock_index) { return 0; } +static inline void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps, + int vclock_index) +{ } #endif |