[dpdk-dev] [PATCH] doc: fix aesni-gcm limitations

[Fan Zhang]

This patch fixes the aesni-gcm cryptodev documentation by
filling the lacked unsupported chained mbuf description.

Fixes: 6f16aab09a91 ("crypto/aesni_gcm: migrate to Multi-buffer library")
Cc: pablo.de.lara.guarch at intel.com
Cc: stable at dpdk.org

Signed-off-by: Fan Zhang <roy.fan.zhang at intel.com>
---
 doc/guides/cryptodevs/aesni_gcm.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/guides/cryptodevs/aesni_gcm.rst b/doc/guides/cryptodevs/aesni_gcm.rst
index 31297fabd..e1c4f9d24 100644
--- a/doc/guides/cryptodevs/aesni_gcm.rst
+++ b/doc/guides/cryptodevs/aesni_gcm.rst
@@ -28,11 +28,12 @@ AEAD algorithms:
 
 * RTE_CRYPTO_AEAD_AES_GCM
 
-
 Limitations
 -----------
 
 * Chained mbufs are supported but only out-of-place (destination mbuf must be contiguous).
+* Chained mbufs are only supported by RTE_CRYPTO_AEAD_AES_GCM algorithm,
+  not RTE_CRYPTO_AUTH_AES_GMAC.
 * Cipher only is not supported.
 
 
-- 
2.14.5