[Intel-wired-lan] [PATCH net v1] i40e: allow controlling PTP external clock features
Mateusz Palczewski
mateusz.palczewski at intel.com
Mon Nov 23 13:46:56 UTC 2020
From: Piotr Kwapulinski <piotr.kwapulinski at intel.com>
Provide information what functions are supported by PTP pins and allow
controlling them.
Implemented in i40e_ptp_verify() and i40e_pps_configure().
Previously it was not possible to control PTP external clock features.
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski at intel.com>
---
drivers/net/ethernet/intel/i40e/i40e_ptp.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
index 26f583f..6182d42 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
@@ -241,7 +241,15 @@ static void i40_ptp_reset_timing_events(struct i40e_pf *pf)
static int i40e_ptp_verify(struct ptp_clock_info *ptp, unsigned int pin,
enum ptp_pin_function func, unsigned int chan)
{
- /* TODO: implement pin checking */
+ switch (func) {
+ case PTP_PF_NONE:
+ case PTP_PF_EXTTS:
+ case PTP_PF_PEROUT:
+ break;
+ case PTP_PF_PHYSYNC:
+ return -EOPNOTSUPP;
+ }
+
return 0;
}
@@ -486,7 +494,11 @@ static int i40e_pps_configure(struct ptp_clock_info *ptp,
struct ptp_clock_request *rq,
int on)
{
- /* TODO: implement PPS events */
+ struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);
+
+ if (!!on)
+ i40e_ptp_set_1pps_signal_hw(pf);
+
return 0;
}
--
2.17.1
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