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| author | Jakub Kicinski <kuba@kernel.org> | 2021-04-16 00:53:15 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-16 02:08:29 +0200 |
| commit | be85dbfeb37c8c4d4344da2ee594d78034b82489 (patch) | |
| tree | 972fb6fe03f43402a5e71dc827bbb276cd1bb43d /Documentation/networking/statistics.rst | |
| parent | ethtool: fec_prepare_data() - jump to error handling (diff) | |
| download | linux-be85dbfeb37c8c4d4344da2ee594d78034b82489.tar.xz linux-be85dbfeb37c8c4d4344da2ee594d78034b82489.zip | |
ethtool: add FEC statistics
Similarly to pause statistics add stats for FEC.
The IEEE standard mandates two sets of counters:
- 30.5.1.1.17 aFECCorrectedBlocks
- 30.5.1.1.18 aFECUncorrectableBlocks
where block is a block of bits FEC operates on.
Each of these counters is defined per lane (PCS instance).
Multiple vendors provide number of corrected _bits_ rather
than/as well as blocks.
This set adds the 2 standard-based block counters and a extra
one for corrected bits.
Counters are exposed to user space via netlink in new attributes.
Each attribute carries an array of u64s, first element is
the total count, and the following ones are a per-lane break down.
Much like with pause stats the operation will not fail when driver
does not implement the get_fec_stats callback (nor can the driver
fail the operation by returning an error). If stats can't be
reported the relevant attributes will be empty.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/statistics.rst')
| -rw-r--r-- | Documentation/networking/statistics.rst | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/networking/statistics.rst b/Documentation/networking/statistics.rst index 234abedc29b2..b748fe44ee02 100644 --- a/Documentation/networking/statistics.rst +++ b/Documentation/networking/statistics.rst @@ -130,6 +130,7 @@ the `ETHTOOL_FLAG_STATS` flag in `ETHTOOL_A_HEADER_FLAGS`. Currently statistics are supported in the following commands: - `ETHTOOL_MSG_PAUSE_GET` + - `ETHTOOL_MSG_FEC_GET` debugfs ------- @@ -176,3 +177,4 @@ translated to netlink attributes when dumped. Drivers must not overwrite the statistics they don't report with 0. - ethtool_pause_stats() +- ethtool_fec_stats() |