diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-09-16 16:14:20 -0700 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-09-18 11:37:23 +0200 |
| commit | e6afcd60c26fca227c700825a94020209970c05e (patch) | |
| tree | fdd3aa3fe7e47032ff884ac6492591934aee35ba /Documentation/networking | |
| parent | 6da8344f92dfc607069ed10ed5ba76b61e612691 (diff) | |
eth: fbnic: add OTP health reporter
OTP memory ("fuses") are used for secure boot and anti-rollback
protection. The OTP memory is ECC protected. Check for its health
periodically to notice when the chip is starting to go bad.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250916231420.1693955-10-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation/networking')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/meta/fbnic.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/meta/fbnic.rst b/Documentation/networking/device_drivers/ethernet/meta/fbnic.rst index 8b7ae9975bf7..1e82f90d9ad2 100644 --- a/Documentation/networking/device_drivers/ethernet/meta/fbnic.rst +++ b/Documentation/networking/device_drivers/ethernet/meta/fbnic.rst @@ -81,6 +81,13 @@ happened since power cycle - a snapshot of the FW memory. Diagnose callback shows FW uptime based on the most recently received heartbeat message (the crashes are detected by checking if uptime goes down). +otp reporter +~~~~~~~~~~~~ + +OTP memory ("fuses") are used for secure boot and anti-rollback +protection. The OTP memory is ECC protected, ECC errors indicate +either manufacturing defect or part deteriorating with age. + Statistics ---------- |