2 Copyright (c) 2016 Solarflare Communications Inc.
5 This software was jointly developed between OKTET Labs (under contract
6 for Solarflare) and Solarflare Communications, Inc.
8 Redistribution and use in source and binary forms, with or without
9 modification, are permitted provided that the following conditions are met:
11 1. Redistributions of source code must retain the above copyright notice,
12 this list of conditions and the following disclaimer.
13 2. Redistributions in binary form must reproduce the above copyright notice,
14 this list of conditions and the following disclaimer in the documentation
15 and/or other materials provided with the distribution.
17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27 EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 Solarflare libefx-based Poll Mode Driver
30 ========================================
32 The SFC EFX PMD (**librte_pmd_sfc_efx**) provides poll mode driver support
33 for **Solarflare SFN7xxx and SFN8xxx** family of 10/40 Gbps adapters.
34 SFC EFX PMD has support for the latest Linux and FreeBSD operating systems.
36 More information can be found at `Solarflare Communications website
37 <http://solarflare.com>`_.
43 SFC EFX PMD has support for:
45 - Multiple transmit and receive queues
48 Non-supported Features
49 ----------------------
51 The features not yet supported include:
53 - Link status change interrupt
55 - Receive queue interupts
57 - Priority-based flow control
65 - Solarflare Flareon [Ultra] Server Adapters:
67 - Solarflare SFN8522 Dual Port SFP+ Server Adapter
69 - Solarflare SFN8542 Dual Port QSFP+ Server Adapter
71 - Solarflare SFN7002F Dual Port SFP+ Server Adapter
73 - Solarflare SFN7004F Quad Port SFP+ Server Adapter
75 - Solarflare SFN7042Q Dual Port QSFP+ Server Adapter
77 - Solarflare SFN7122F Dual Port SFP+ Server Adapter
79 - Solarflare SFN7124F Quad Port SFP+ Server Adapter
81 - Solarflare SFN7142Q Dual Port QSFP+ Server Adapter
83 - Solarflare SFN7322F Precision Time Synchronization Server Adapter
89 - Requires firmware version:
91 - SFN7xxx: **4.7.1.1001** or higher
93 - SFN8xxx: **6.0.2.1004** or higher
95 Visit `Solarflare Support Downloads <https://support.solarflare.com>`_ to get
96 Solarflare Utilities (either Linux or FreeBSD) with the latest firmware.
97 Follow instructions from Solarflare Server Adapter User's Guide to
98 update firmware and configure the adapter.
101 Pre-Installation Configuration
102 ------------------------------
108 The following options can be modified in the ``.config`` file.
109 Please note that enabling debugging options may affect system performance.
111 - ``CONFIG_RTE_LIBRTE_SFC_EFX_PMD`` (default **y**)
113 Enable compilation of Solarflare libefx-based poll-mode driver.
115 - ``CONFIG_RTE_LIBRTE_SFC_EFX_DEBUG`` (default **n**)
117 Enable compilation of the extra run-time consistency checks.
120 Per-Device Parameters
121 ~~~~~~~~~~~~~~~~~~~~~
123 The following per-device parameters can be passed via EAL PCI device
124 whitelist option like "-w 02:00.0,arg1=value1,...".
126 Case-insensitive 1/y/yes/on or 0/n/no/off may be used to specify
127 boolean parameters value.
129 - ``debug_init`` [bool] (default **n**)
131 Enable extra logging during device intialization and startup.