[PATCH] doc: announce cryptodev changes to offload RSA in VirtIO

[Gowrishankar Muthukrishnan]

Announce cryptodev changes to offload RSA asymmetric operation in
VirtIO PMD.

Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn at marvell.com>
--
RFC:
  https://patches.dpdk.org/project/dpdk/patch/20230928095300.1353-2-gmuthukrishn@marvell.com/
  https://patches.dpdk.org/project/dpdk/patch/20230928095300.1353-3-gmuthukrishn@marvell.com/
---
 doc/guides/rel_notes/deprecation.rst | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
index 6948641ff6..26fec84aba 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -147,3 +147,14 @@ Deprecation Notices
   will be deprecated and subsequently removed in DPDK 24.11 release.
   Before this, the new port library API (functions rte_swx_port_*)
   will gradually transition from experimental to stable status.
+
+* cryptodev: The struct rte_crypto_rsa_padding will be moved from
+  rte_crypto_rsa_op_param struct to rte_crypto_rsa_xform struct,
+  breaking ABI. The new location is recommended to comply with
+  virtio-crypto specification. Applications and drivers using
+  this struct will be updated.
+
+* cryptodev: The rte_crypto_rsa_xform struct member to hold private key
+  in either exponent or quintuple format is changed from union to struct
+  data type. This change is to support ASN.1 syntax (RFC 3447 Appendix A.1.2).
+  This change will not break existing applications.
-- 
2.21.0