* [PATCH v2 2/2] doc: update MLX5 LRO limitation
[not found] <20221123114942.17755-1-getelson@nvidia.com>
@ 2022-11-23 11:49 ` Gregory Etelson
0 siblings, 0 replies; 2+ messages in thread
From: Gregory Etelson @ 2022-11-23 11:49 UTC (permalink / raw)
To: getelson; +Cc: stable, Matan Azrad
Maximal LRO message size must be multiply of 256.
Otherwise, TCP payload may not fit into a single WQE.
Cc: stable@dpdk.org
Signed-off-by: Gregory Etelson <getelson@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
v2: move the patch to LRO section.
---
doc/guides/nics/mlx5.rst | 2 ++
1 file changed, 2 insertions(+)
diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 4f0db21dde..e77d79774b 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -411,6 +411,8 @@ Limitations
- LRO packet aggregation is performed by HW only for packet size larger than
``lro_min_mss_size``. This value is reported on device start, when debug
mode is enabled.
+ - The driver rounds down the ``max_lro_pkt_size`` value in the port configuration
+ to a multiple of 256 due to HW limitation.
- CRC:
--
2.34.1
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2022-11-23 11:49 ` [PATCH v2 2/2] doc: update MLX5 LRO limitation Gregory Etelson
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2022-11-22 5:13 ` Gregory Etelson
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