-.. BSD LICENSE
- Copyright 2015-2017 Chelsio Communications.
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in
- the documentation and/or other materials provided with the
- distribution.
- * Neither the name of Chelsio Communications nor the names of its
- contributors may be used to endorse or promote products derived
- from this software without specific prior written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+.. SPDX-License-Identifier: BSD-3-Clause
+ Copyright(c) 2014-2018 Chelsio Communications.
+ All rights reserved.
CXGBE Poll Mode Driver
======================
for **Chelsio Terminator** 10/25/40/100 Gbps family of adapters. CXGBE PMD
has support for the latest Linux and FreeBSD operating systems.
+CXGBEVF PMD provides poll mode driver support for SR-IOV Virtual functions
+and has support for the latest Linux operating systems.
+
More information can be found at `Chelsio Communications Official Website
<http://www.chelsio.com>`_.
Features
--------
-CXGBE PMD has support for:
+CXGBE and CXGBEVF PMD has support for:
- Multiple queues for TX and RX
- Receiver Side Steering (RSS)
+ Receiver Side Steering (RSS) on IPv4, IPv6, IPv4-TCP/UDP, IPv6-TCP/UDP.
+ For 4-tuple, enabling 'RSS on TCP' and 'RSS on TCP + UDP' is supported.
- VLAN filtering
- Checksum offload
- Promiscuous mode
- All multicast mode
- Port hardware statistics
- Jumbo frames
+- Flow API - Support for both Wildcard (LE-TCAM) and Exact (HASH) match filters.
Limitations
-----------
For this reason, one cannot whitelist/blacklist a single port without
whitelisting/blacklisting the other ports on the same device.
+.. _t5-nics:
+
Supported Chelsio T5 NICs
-------------------------
- 40G NICs: T580-CR, T580-LP-CR, T580-SO-CR
- Other T5 NICs: T522-CR
+.. _t6-nics:
+
Supported Chelsio T6 NICs
-------------------------
- 25G NICs: T6425-CR, T6225-CR, T6225-LL-CR, T6225-SO-CR
- 100G NICs: T62100-CR, T62100-LP-CR, T62100-SO-CR
+Supported SR-IOV Chelsio NICs
+-----------------------------
+
+SR-IOV virtual functions are supported on all the Chelsio NICs listed
+in :ref:`t5-nics` and :ref:`t6-nics`.
+
Prerequisites
-------------
-- Requires firmware version **1.16.43.0** and higher. Visit
+- Requires firmware version **1.17.14.0** and higher. Visit
`Chelsio Download Center <http://service.chelsio.com>`_ to get latest firmware
bundled with the latest Chelsio Unified Wire package.
Toggle compilation of librte_pmd_cxgbe driver.
+ .. note::
+
+ This controls compilation of both CXGBE and CXGBEVF PMD.
+
- ``CONFIG_RTE_LIBRTE_CXGBE_DEBUG`` (default **n**)
Toggle display of generic debugging messages.
Toggle behaviour to prefer Throughput or Latency.
+Runtime Options
+~~~~~~~~~~~~~~~
+
+The following ``devargs`` options can be enabled at runtime. They must
+be passed as part of EAL arguments. For example,
+
+.. code-block:: console
+
+ testpmd -w 02:00.4,keep_ovlan=1 -- -i
+
+- ``keep_ovlan`` (default **0**)
+
+ Toggle behaviour to keep/strip outer VLAN in Q-in-Q packets. If
+ enabled, the outer VLAN tag is preserved in Q-in-Q packets. Otherwise,
+ the outer VLAN tag is stripped in Q-in-Q packets.
+
+- ``force_link_up`` (default **0**)
+
+ When set to 1, CXGBEVF PMD always forces link as up for all VFs on
+ underlying Chelsio NICs. This enables multiple VFs on the same NIC
+ to send traffic to each other even when the physical link is down.
+
.. _driver-compilation:
Driver compilation and testing
.. code-block:: console
- firmware-version: 1.16.43.0, TP 0.1.4.9
+ firmware-version: 1.17.14.0, TP 0.1.4.9
Running testpmd
~~~~~~~~~~~~~~~
EAL: PCI memory mapped at 0x7fd7c0200000
EAL: PCI memory mapped at 0x7fd77cdfd000
EAL: PCI memory mapped at 0x7fd7c10b7000
- PMD: rte_cxgbe_pmd: fw: 1.16.43.0, TP: 0.1.4.9
+ PMD: rte_cxgbe_pmd: fw: 1.17.14.0, TP: 0.1.4.9
PMD: rte_cxgbe_pmd: Coming up as MASTER: Initializing adapter
Interactive-mode selected
Configuring Port 0 (socket 0)
Flow control pause TX/RX is disabled by default and can be enabled via
testpmd. Refer section :ref:`flow-control` for more details.
+Configuring SR-IOV Virtual Functions
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This section demonstrates how to enable SR-IOV virtual functions
+on Chelsio NICs and demonstrates how to run testpmd with SR-IOV
+virtual functions.
+
+#. Load the kernel module:
+
+ .. code-block:: console
+
+ modprobe cxgb4
+
+#. Get the PCI bus addresses of the interfaces bound to cxgb4 driver:
+
+ .. code-block:: console
+
+ dmesg | tail -2
+
+ Example output:
+
+ .. code-block:: console
+
+ cxgb4 0000:02:00.4 p1p1: renamed from eth0
+ cxgb4 0000:02:00.4 p1p2: renamed from eth1
+
+ .. note::
+
+ Both the interfaces of a Chelsio 2-port adapter are bound to the
+ same PCI bus address.
+
+#. Use ifconfig to get the interface name assigned to Chelsio card:
+
+ .. code-block:: console
+
+ ifconfig -a | grep "00:07:43"
+
+ Example output:
+
+ .. code-block:: console
+
+ p1p1 Link encap:Ethernet HWaddr 00:07:43:2D:EA:C0
+ p1p2 Link encap:Ethernet HWaddr 00:07:43:2D:EA:C8
+
+#. Bring up the interfaces:
+
+ .. code-block:: console
+
+ ifconfig p1p1 up
+ ifconfig p1p2 up
+
+#. Instantiate SR-IOV Virtual Functions. PF0..3 can be used for
+ SR-IOV VFs. Multiple VFs can be instantiated on each of PF0..3.
+ To instantiate one SR-IOV VF on each PF0 and PF1:
+
+ .. code-block:: console
+
+ echo 1 > /sys/bus/pci/devices/0000\:02\:00.0/sriov_numvfs
+ echo 1 > /sys/bus/pci/devices/0000\:02\:00.1/sriov_numvfs
+
+#. Get the PCI bus addresses of the virtual functions:
+
+ .. code-block:: console
+
+ lspci | grep -i "Chelsio" | grep -i "VF"
+
+ Example output:
+
+ .. code-block:: console
+
+ 02:01.0 Ethernet controller: Chelsio Communications Inc T540-CR Unified Wire Ethernet Controller [VF]
+ 02:01.1 Ethernet controller: Chelsio Communications Inc T540-CR Unified Wire Ethernet Controller [VF]
+
+#. Running testpmd
+
+ Follow instructions available in the document
+ :ref:`compiling and testing a PMD for a NIC <pmd_build_and_test>`
+ to bind virtual functions and run testpmd.
+
+ Example output:
+
+ .. code-block:: console
+
+ [...]
+ EAL: PCI device 0000:02:01.0 on NUMA socket 0
+ EAL: probe driver: 1425:5803 net_cxgbevf
+ PMD: rte_cxgbe_pmd: Firmware version: 1.17.14.0
+ PMD: rte_cxgbe_pmd: TP Microcode version: 0.1.4.9
+ PMD: rte_cxgbe_pmd: Chelsio rev 0
+ PMD: rte_cxgbe_pmd: No bootstrap loaded
+ PMD: rte_cxgbe_pmd: No Expansion ROM loaded
+ PMD: rte_cxgbe_pmd: 0000:02:01.0 Chelsio rev 0 1G/10GBASE-SFP
+ EAL: PCI device 0000:02:01.1 on NUMA socket 0
+ EAL: probe driver: 1425:5803 net_cxgbevf
+ PMD: rte_cxgbe_pmd: Firmware version: 1.17.14.0
+ PMD: rte_cxgbe_pmd: TP Microcode version: 0.1.4.9
+ PMD: rte_cxgbe_pmd: Chelsio rev 0
+ PMD: rte_cxgbe_pmd: No bootstrap loaded
+ PMD: rte_cxgbe_pmd: No Expansion ROM loaded
+ PMD: rte_cxgbe_pmd: 0000:02:01.1 Chelsio rev 0 1G/10GBASE-SFP
+ Configuring Port 0 (socket 0)
+ Port 0: 06:44:29:44:40:00
+ Configuring Port 1 (socket 0)
+ Port 1: 06:44:29:44:40:10
+ Checking link statuses...
+ Done
+ testpmd>
+
FreeBSD
-------
.. code-block:: console
- dev.t5nex.0.firmware_version: 1.16.43.0
+ dev.t5nex.0.firmware_version: 1.17.14.0
Running testpmd
~~~~~~~~~~~~~~~
EAL: PCI memory mapped at 0x8007ec000
EAL: PCI memory mapped at 0x842800000
EAL: PCI memory mapped at 0x80086c000
- PMD: rte_cxgbe_pmd: fw: 1.16.43.0, TP: 0.1.4.9
+ PMD: rte_cxgbe_pmd: fw: 1.17.14.0, TP: 0.1.4.9
PMD: rte_cxgbe_pmd: Coming up as MASTER: Initializing adapter
Interactive-mode selected
Configuring Port 0 (socket 0)
Code Review / deb_dpdk.git / blobdiff