From 08aa6271c86a561b66c6dd91f9a54fa2f12bc859 Mon Sep 17 00:00:00 2001 From: Fiona Trahe Date: Thu, 3 May 2018 14:32:36 +0100 Subject: [PATCH] doc: clarify chained mbuf feature in crypto guide Signed-off-by: Fiona Trahe Acked-by: Deepak Kumar Jain --- doc/guides/cryptodevs/overview.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/doc/guides/cryptodevs/overview.rst b/doc/guides/cryptodevs/overview.rst index b3cb6cae47..493cd5f55c 100644 --- a/doc/guides/cryptodevs/overview.rst +++ b/doc/guides/cryptodevs/overview.rst @@ -11,6 +11,16 @@ Supported Feature Flags .. include:: overview_feature_table.txt +Note, the mbuf scatter gather feature (aka chained mbufs, scatter-gather-lists +or SGLs) indicate all following combinations are supported unless otherwise called +out in the Limitations section of each PMD. + +* In place operation, input buffer as multiple segments, same buffer used for output +* Out of place operation, input buffer as single segment and output as multiple segments +* Out of place operation, input buffer as multiple segments and output as single segment +* Out of place operation, input buffer as multiple segments and output as multiple segments + + Supported Cipher Algorithms --------------------------- -- 2.20.1