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diff --git a/src/seastar/dpdk/doc/guides/nics/overview.rst b/src/seastar/dpdk/doc/guides/nics/overview.rst new file mode 100644 index 000000000..20cd52b09 --- /dev/null +++ b/src/seastar/dpdk/doc/guides/nics/overview.rst @@ -0,0 +1,34 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright 2016 6WIND S.A. + +Overview of Networking Drivers +============================== + +The networking drivers may be classified in two categories: + +- physical for real devices +- virtual for emulated devices + +Some physical devices may be shaped through a virtual layer as for +SR-IOV. +The interface seen in the virtual environment is a VF (Virtual Function). + +The ethdev layer exposes an API to use the networking functions +of these devices. +The bottom half part of ethdev is implemented by the drivers. +Thus some features may not be implemented. + +There are more differences between drivers regarding some internal properties, +portability or even documentation availability. +Most of these differences are summarized below. + +More details about features can be found in :doc:`features`. + +.. _table_net_pmd_features: + +.. include:: overview_table.txt + +.. Note:: + + Features marked with "P" are partially supported. Refer to the appropriate + NIC guide in the following sections for details. |