On Wed, Nov 13, 2024 at 04:46:14PM +0100, Milena Olech wrote:
> PTP capabilities are negotiated using virtchnl command. Add get
> capabilities function, direct access to read the PTP clock time and
> direct access to read the cross timestamp - system time and PTP clock
> time. Set initial PTP capabilities exposed to the stack.
>
> Reviewed-by: Alexander Lobakin <aleksander.loba...@intel.com>
> Signed-off-by: Milena Olech <milena.ol...@intel.com>
...
> diff --git a/drivers/net/ethernet/intel/idpf/idpf_ptp.h
> b/drivers/net/ethernet/intel/idpf/idpf_ptp.h
...
> /**
> * struct idpf_ptp - PTP parameters
> * @info: structure defining PTP hardware capabilities
> * @clock: pointer to registered PTP clock device
> * @adapter: back pointer to the adapter
> + * @cmd: HW specific command masks
> + * @dev_clk_regs: the set of registers to access the device clock
> + * @caps: PTP capabilities negotiated with the Control Plane
> + * @get_dev_clk_time_access: access type for getting the device clock time
> + * @get_cross_tstamp_access: access type for the cross timestamping
> */
> struct idpf_ptp {
> struct ptp_clock_info info;
> struct ptp_clock *clock;
> struct idpf_adapter *adapter;
> + struct idpf_ptp_cmd cmd;
> + struct idpf_ptp_dev_clk_regs dev_clk_regs;
> + u32 caps;
> + enum idpf_ptp_access get_dev_clk_time_access:16;
> + enum idpf_ptp_access get_cross_tstamp_access:16;
> };
>
> +/**
> + * idpf_ptp_info_to_adapter - get driver adapter struct from ptp_clock_info
> + * @info: pointer to ptp_clock_info struct
Please in include a "Return:" section, as you have done elsewhere,
to document the return value of this function.
Flagged by ./scripts/kernel-doc -none -Wall
> + */
> +static inline struct idpf_adapter *
> +idpf_ptp_info_to_adapter(const struct ptp_clock_info *info)
> +{
> + const struct idpf_ptp *ptp = container_of_const(info, struct idpf_ptp,
> + info);
> + return ptp->adapter;
> +}
> +
> #if IS_ENABLED(CONFIG_PTP_1588_CLOCK)
> int idpf_ptp_init(struct idpf_adapter *adapter);
> void idpf_ptp_release(struct idpf_adapter *adapter);
> +int idpf_ptp_get_caps(struct idpf_adapter *adapter);
> +void idpf_ptp_get_features_access(const struct idpf_adapter *adapter);
> #else /* CONFIG_PTP_1588_CLOCK */
> static inline int idpf_ptp_init(struct idpf_adapter *adpater)
> {
...
