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| author | Jakub Kicinski <kuba@kernel.org> | 2024-01-05 07:58:21 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-01-05 07:58:21 -0800 |
| commit | aa537fee6188583f938282b3b49324e11bc21485 (patch) | |
| tree | abb6c5cff16e3a0013bd697ca5dd148fd2fd86a5 /Documentation | |
| parent | 82e7b22f647202ecd8f25de2bd3f1276bbd34989 (diff) | |
| parent | f035dca34ede00d667a3e2d16e1c731161eeacec (diff) | |
Merge branch 'dpll-expose-fractional-frequency-offset-value-to-user'
Jiri Pirko says:
====================
dpll: expose fractional frequency offset value to user
Allow to expose pin fractional frequency offset value over new DPLL
generic netlink attribute. Add an op to get the value from the driver.
Implement this new op in mlx5 driver.
====================
Link: https://lore.kernel.org/r/20240103132838.1501801-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/netlink/specs/dpll.yaml | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Documentation/netlink/specs/dpll.yaml b/Documentation/netlink/specs/dpll.yaml index cf8abe1c0550..b14aed18065f 100644 --- a/Documentation/netlink/specs/dpll.yaml +++ b/Documentation/netlink/specs/dpll.yaml @@ -296,6 +296,16 @@ attribute-sets: - name: phase-offset type: s64 + - + name: fractional-frequency-offset + type: sint + doc: | + The FFO (Fractional Frequency Offset) between the RX and TX + symbol rate on the media associated with the pin: + (rx_frequency-tx_frequency)/rx_frequency + Value is in PPM (parts per million). + This may be implemented for example for pin of type + PIN_TYPE_SYNCE_ETH_PORT. - name: pin-parent-device subset-of: pin @@ -460,6 +470,7 @@ operations: - phase-adjust-min - phase-adjust-max - phase-adjust + - fractional-frequency-offset dump: pre: dpll-lock-dumpit |