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| author | Karol Kolacinski <karol.kolacinski@intel.com> | 2022-06-24 17:22:03 +0200 |
|---|---|---|
| committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2022-07-21 13:25:17 -0700 |
| commit | d6b98c8d242aee40e7b8919dd07b593b0739e38d (patch) | |
| tree | 7447ac1d17185cea30a6c4dd7e5a10db714527cb /Documentation/networking/device_drivers/ethernet | |
| parent | fcf9b695a554dd8b74863ea59b639515f95b10ee (diff) | |
| download | linux-d6b98c8d242aee40e7b8919dd07b593b0739e38d.tar.bz2 | |
ice: add write functionality for GNSS TTY
Add the possibility to write raw bytes to the GNSS module through the
first TTY device. This allows user to configure the module.
Create a second read-only TTY device.
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Tested-by: Gurucharan <gurucharanx.g@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Diffstat (limited to 'Documentation/networking/device_drivers/ethernet')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/intel/ice.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/intel/ice.rst b/Documentation/networking/device_drivers/ethernet/intel/ice.rst index 67b7a701ce9e..dc2e60ced927 100644 --- a/Documentation/networking/device_drivers/ethernet/intel/ice.rst +++ b/Documentation/networking/device_drivers/ethernet/intel/ice.rst @@ -901,6 +901,15 @@ To enable/disable UDP Segmentation Offload, issue the following command:: # ethtool -K <ethX> tx-udp-segmentation [off|on] +GNSS module +----------- +Allows user to read messages from the GNSS module and write supported commands. +If the module is physically present, driver creates 2 TTYs for each supported +device in /dev, ttyGNSS_<device>:<function>_0 and _1. First one (_0) is RW and +the second one is RO. +The protocol of write commands is dependent on the GNSS module as the driver +writes raw bytes from the TTY to the GNSS i2c. Please refer to the module +documentation for details. Performance Optimization ======================== |