[dpdk-dev] [PATCH v3 6/6] doc: add buffer split feature limitation to mlx5 guide

[Viacheslav Ovsiienko <viacheslavo@nvidia.com>]

The buffer split feature is mentioned in the mlx5 PMD
documentation, the limitation is description is added
as well.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Acked-by: Matan Azrad <matan@nvidia.com>
---
 doc/guides/nics/mlx5.rst | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index 1a8808e..4621a5e 100644
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -64,7 +64,8 @@ Features
 
 - Multi arch support: x86_64, POWER8, ARMv8, i686.
 - Multiple TX and RX queues.
-- Support for scattered TX and RX frames.
+- Support for scattered TX frames.
+- Advanced support for scattered Rx frames with tunable buffer attributes.
 - IPv4, IPv6, TCPv4, TCPv6, UDPv4 and UDPv6 RSS on any number of queues.
 - RSS using different combinations of fields: L3 only, L4 only or both,
   and source only, destination only or both.
@@ -192,6 +193,9 @@ Limitations
    the device. In case of ungraceful program termination, some entries may
    remain present and should be removed manually by other means.
 
+- Buffer split offload is supported with regular Rx burst routine only,
+  no MPRQ feature or vectorized code can be engaged.
+
 - When Multi-Packet Rx queue is configured (``mprq_en``), a Rx packet can be
   externally attached to a user-provided mbuf with having EXT_ATTACHED_MBUF in
   ol_flags. As the mempool for the external buffer is managed by PMD, all the
-- 
1.8.3.1