[dpdk-dev] [PATCH v2 4/4] doc: add MLX5 PMD integrity item support
From: Gregory Etelson <hidden>
Date: 2021-04-29 06:17:15
Subsystem:
the rest · Maintainer:
Linus Torvalds
Add MLX5 PMD integrity item support to 21.05 release notes. Add MLX5 PMD integrity item limitations to the PMD records. Signed-off-by: Gregory Etelson <redacted> Acked-by: Viacheslav Ovsiienko <redacted> --- doc/guides/nics/mlx5.rst | 15 +++++++++++++++ doc/guides/rel_notes/release_21_02.rst | 1 + 2 files changed, 16 insertions(+)
diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index b27a9a69f6..12b45a69b5 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst@@ -107,6 +107,7 @@ Features - 21844 flow priorities for ingress or egress flow groups greater than 0 and for any transfer flow group. - Flow metering, including meter policy API. +- Flow integrity offload API. Limitations -----------
@@ -417,6 +418,20 @@ Limitations - yellow: must be empty. - RED: must be DROP. +- Integrity: + + - Integrity offload is enabled for **ConnectX-6** family. + - Verification bits provided by the hardware are ``l3_ok``, ``ipv4_csum_ok``, ``l4_ok``, ``l4_csum_ok``. + - ``level`` value 0 references outer headers. + - Multiple integrity items not supported in a single flow rule. + - Flow rule items supplied by application must explicitly specify network headers referred by integrity item. + For example, if integrity item mask sets ``l4_ok`` or ``l4_csum_ok`` bits, reference to L4 network header, + TCP or UDP, must be in the rule pattern as well:: + + flow create 0 ingress pattern integrity level is 0 value mask l3_ok value spec l3_ok / eth / ipv6 / end … + or + flow create 0 ingress pattern integrity level is 0 value mask l4_ok value spec 0 / eth / ipv4 proto is udp / end … + Statistics ----------
diff --git a/doc/guides/rel_notes/release_21_02.rst b/doc/guides/rel_notes/release_21_02.rst
index 1813fe767a..ce27879f08 100644
--- a/doc/guides/rel_notes/release_21_02.rst
+++ b/doc/guides/rel_notes/release_21_02.rst@@ -138,6 +138,7 @@ New Features egress flow groups greater than 0 and for any transfer flow group. * Added support for the Tx mbuf fast free offload. * Added support for flow modify field action. + * Added support for flow integrity item. * **Updated the Pensando ionic driver.**
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2.31.1