[dpdk-dev] [PATCH] doc: update multiple instance info for NULL crypto
Vipin Varghese
vipin.varghese at intel.com
Mon Feb 5 15:31:59 CET 2018
Add foot note & example to inform user how to use multiple instance.
Signed-off-by: Vipin Varghese <vipin.varghese at intel.com>
---
doc/guides/cryptodevs/null.rst | 20 +++++++++++++++++---
1 file changed, 17 insertions(+), 3 deletions(-)
diff --git a/doc/guides/cryptodevs/null.rst b/doc/guides/cryptodevs/null.rst
index 03a3ddc..b7072b0 100644
--- a/doc/guides/cryptodevs/null.rst
+++ b/doc/guides/cryptodevs/null.rst
@@ -41,6 +41,11 @@ each mbuf in the burst will be enqueued in an internal buffer for collection on
a dequeue call as long as the mbuf has a valid rte_mbuf_offload operation with
a valid rte_cryptodev_session or rte_crypto_xform chain of operations.
+.. Note::
+
+ In case of multiple instances of NULL cryptos, each instance should be of
+ unique id.
+
Features
--------
@@ -91,7 +96,16 @@ The following parameters (all optional) can be provided in the previous two call
Example:
-.. code-block:: console
+Single vdev instance::
+
+ ./l2fwd-crypto -l 1 -n 4 \
+ --vdev="crypto_null,socket_id=0,max_nb_sessions=128" \
+ -- -p 1 --cdev SW --chain CIPHER_ONLY --cipher_algo "null"
+
+Multiple vdev instance::
+
+ ./l2fwd-crypto -l 1-2 -n 4 \
+ --vdev="crypto_null_0,socket_id=0,max_nb_sessions=128" \
+ --vdev="crypto_null_1,socket_id=1,max_nb_sessions=128" \
+ -- -p 0x3 --cdev SW --chain CIPHER_HASH --cipher_algo null --auth_algo null
- ./l2fwd-crypto -l 1 -n 4 --vdev="crypto_null,socket_id=0,max_nb_sessions=128" \
- -- -p 1 --cdev SW --chain CIPHER_ONLY --cipher_algo "null"
--
1.9.1
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