import 15.2.0 Octopus source

[ceph.git] / ceph / src / spdk / dpdk / doc / guides / nics / kni.rst

diff --git a/ceph/src/spdk/dpdk/doc/guides/nics/kni.rst b/ceph/src/spdk/dpdk/doc/guides/nics/kni.rst
index 204fbd563aad61549fe72c2a357690f289b2d97b..602a06b5fe7b61ef7dede5d6ff5155c9df586ddf 100644 (file)
--- a/ceph/src/spdk/dpdk/doc/guides/nics/kni.rst
+++ b/ceph/src/spdk/dpdk/doc/guides/nics/kni.rst
@@ -55,7 +55,8 @@ configuration:
 
         Interface name: kni#
         force bind kernel thread to a core : NO
-        mbuf size: MAX_PACKET_SZ
+        mbuf size: (rte_pktmbuf_data_room_size(pktmbuf_pool) - RTE_PKTMBUF_HEADROOM)
+        mtu: (conf.mbuf_size - ETHER_HDR_LEN)
 
 KNI control path is not supported with the PMD, since there is no physical
 backend device by default.
@@ -64,7 +65,7 @@ backend device by default.
 PMD arguments
 -------------
 
-``no_request_thread``, by default PMD creates a phtread for each KNI interface
+``no_request_thread``, by default PMD creates a pthread for each KNI interface
 to handle Linux network interface control commands, like ``ifconfig kni0 up``
 
 With ``no_request_thread`` option, pthread is not created and control commands