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Enable configuration of the burst period — a time window starting
from the first error recovery, during which the reporter allows
recovery attempts for each reported error.
This feature is helpful when a single underlying issue causes multiple
errors, as it delays the start of the grace period to allow sufficient
time for recovering all related errors. For example, if multiple TX
queues time out simultaneously, a sufficient burst period could allow
all affected TX queues to be recovered within that window. Without this
period, only the first TX queue that reports a timeout will undergo
recovery, while the remaining TX queues will be blocked once the grace
period begins.
Configuration example:
$ devlink health set pci/0000:00:09.0 reporter tx burst_period 500
Configuration example with ynl:
./tools/net/ynl/pyynl/cli.py \
--spec Documentation/netlink/specs/devlink.yaml \
--do health-reporter-set --json '{
"bus-name": "auxiliary",
"dev-name": "mlx5_core.eth.0",
"port-index": 65535,
"health-reporter-name": "tx",
"health-reporter-burst-period": 500
}'
Signed-off-by: Shahar Shitrit <shshitrit@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Reviewed-by: Carolina Jubran <cjubran@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/20250824084354.533182-5-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update devlink-health.rst file:
- Add devlink formatted message (fmsg) API documentation.
- Add auto-dump as a condition to do dump once error reported.
- Expand OOB to clarify this acronym.
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Documentation is missing and it's not very clear what
this callback is for - presumably testing the recovery?
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Minor tweaks and improvement of wording about the diagnose callback.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the devlink-health documentation to use the newer
ReStructuredText format.
Note that it's unclear what OOB stood for, and it has been left as-is
without a proper first-use expansion of the acronym.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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