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diff --git a/doc/guides/nics/cxgbe.rst b/doc/guides/nics/cxgbe.rst index 8651a7be..58d88eef 100644 --- a/doc/guides/nics/cxgbe.rst +++ b/doc/guides/nics/cxgbe.rst @@ -1,32 +1,6 @@ -.. 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 ====================== @@ -35,22 +9,28 @@ The CXGBE PMD (**librte_pmd_cxgbe**) provides poll mode driver support 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 ----------- @@ -63,6 +43,8 @@ port. 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 ------------------------- @@ -71,16 +53,24 @@ 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. @@ -110,6 +100,10 @@ enabling debugging options may affect system performance. 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. @@ -134,6 +128,28 @@ enabling debugging options may affect system performance. 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 @@ -208,7 +224,7 @@ Unified Wire package for Linux operating system are as follows: .. 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 ~~~~~~~~~~~~~~~ @@ -266,7 +282,7 @@ devices managed by librte_pmd_cxgbe in Linux operating system. 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) @@ -286,6 +302,114 @@ devices managed by librte_pmd_cxgbe in Linux operating system. 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 ------- @@ -350,7 +474,7 @@ Unified Wire package for FreeBSD operating system are as follows: .. code-block:: console - dev.t5nex.0.firmware_version: 1.16.43.0 + dev.t5nex.0.firmware_version: 1.17.14.0 Running testpmd ~~~~~~~~~~~~~~~ @@ -468,7 +592,7 @@ devices managed by librte_pmd_cxgbe in FreeBSD operating system. 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) |