2 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/index.rst b/Documentation/networking/device_drivers/ethernet/index.rst
index 6b5dc203da2b..21a97703421d 100644
--- a/Documentation/networking/device_drivers/ethernet/index.rst
+++ b/Documentation/networking/device_drivers/ethernet/index.rst
@@ -39,6 +39,7 @@ Contents:
    intel/iavf
    intel/ice
    marvell/octeontx2
+   marvell/octeon_ep
    mellanox/mlx5
    microsoft/netvsc
    neterion/s2io
diff --git a/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst b/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst
new file mode 100644
index 000000000000..bc562c49011b
--- /dev/null
+++ b/Documentation/networking/device_drivers/ethernet/marvell/octeon_ep.rst
@@ -0,0 +1,35 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+====================================================================
+Linux kernel networking driver for Marvell's Octeon PCI Endpoint NIC
+====================================================================
+
+Network driver for Marvell's Octeon PCI EndPoint NIC.
+Copyright (c) 2020 Marvell International Ltd.
+
+Contents
+========
+
+- `Overview`_
+- `Supported Devices`_
+- `Interface Control`_
+
+Overview
+========
+This driver implements networking functionality of Marvell's Octeon PCI
+EndPoint NIC.
+
+Supported Devices
+=================
+Currently, this driver support following devices:
+ * Network controller: Cavium, Inc. Device b200
+
+Interface Control
+=================
+Network Interface control like changing mtu, link speed, link down/up are
+done by writing command to mailbox command queue, a mailbox interface
+implemented through a reserved region in BAR4.
+This driver writes the commands into the mailbox and the firmware on the
+Octeon device processes them. The firmware also sends unsolicited notifications
+to driver for events suchs as link change, through notification queue
+implemented as part of mailbox interface.