ethdev: add API to get device configuration
[dpdk.git] / doc / guides / conf.py
index c3cd0bd..67d2dd6 100644 (file)
-#   BSD LICENSE
-#   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
-#   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 Intel Corporation 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.
-
-from __future__ import print_function
-import subprocess
+#!/usr/bin/env python3
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(c) 2010-2015 Intel Corporation
+
 from docutils import nodes
 from distutils.version import LooseVersion
 from sphinx import __version__ as sphinx_version
-from sphinx.highlighting import PygmentsBridge
-from pygments.formatters.latex import LatexFormatter
 from os import listdir
+from os import environ
 from os.path import basename
 from os.path import dirname
 from os.path import join as path_join
+from sys import argv, stderr
+
+import configparser
 
 try:
-    # Python 2.
-    import ConfigParser as configparser
+    import sphinx_rtd_theme
+
+    html_theme = "sphinx_rtd_theme"
 except:
-    # Python 3.
-    import configparser
+    print('Install the sphinx ReadTheDocs theme for improved html documentation '
+          'layout: https://sphinx-rtd-theme.readthedocs.io/',
+          file=stderr)
+    pass
 
+stop_on_error = ('-W' in argv)
 
 project = 'Data Plane Development Kit'
-
-if LooseVersion(sphinx_version) >= LooseVersion('1.3.1'):
-    html_theme = "sphinx_rtd_theme"
 html_logo = '../logo/DPDK_logo_vertical_rev_small.png'
-latex_logo = '../logo/DPDK_logo_horizontal_tag.png'
-html_add_permalinks = ""
+if LooseVersion(sphinx_version) >= LooseVersion('3.5'):
+    html_permalinks = False
+else:
+    html_add_permalinks = ""
 html_show_copyright = False
 highlight_language = 'none'
 
-version = subprocess.check_output(['make', '-sRrC', '../../', 'showversion'])
-version = version.decode('utf-8').rstrip()
-release = version
+release = environ.setdefault('DPDK_VERSION', "None")
+version = release
 
 master_doc = 'index'
 
 # Maximum feature description string length
-feature_str_len = 25
+feature_str_len = 30
 
 # Figures, tables and code-blocks automatically numbered if they have caption
 numfig = True
 
-latex_documents = [
-    ('index',
-     'doc.tex',
-     '',
-     '',
-     'manual')
-]
-
-# Latex directives to be included directly in the latex/pdf docs.
-custom_latex_preamble = r"""
-\usepackage[utf8]{inputenc}
-\usepackage[T1]{fontenc}
-\usepackage{helvet}
-\renewcommand{\familydefault}{\sfdefault}
-\RecustomVerbatimEnvironment{Verbatim}{Verbatim}{xleftmargin=5mm}
-"""
-
-# Configuration for the latex/pdf docs.
-latex_elements = {
-    'papersize': 'a4paper',
-    'pointsize': '11pt',
-    # remove blank pages
-    'classoptions': ',openany,oneside',
-    'babel': '\\usepackage[english]{babel}',
-    # customize Latex formatting
-    'preamble': custom_latex_preamble
-}
-
-
-# Override the default Latex formatter in order to modify the
-# code/verbatim blocks.
-class CustomLatexFormatter(LatexFormatter):
-    def __init__(self, **options):
-        super(CustomLatexFormatter, self).__init__(**options)
-        # Use the second smallest font size for code/verbatim blocks.
-        self.verboptions = r'formatcom=\footnotesize'
-
-# Replace the default latex formatter.
-PygmentsBridge.latex_formatter = CustomLatexFormatter
-
 # Configuration for man pages
 man_pages = [("testpmd_app_ug/run_app", "testpmd",
               "tests for dpdk pmds", "", 1),
@@ -211,18 +147,23 @@ def generate_overview_table(output_filename, table_id, section, table_name, titl
     ini_files.sort()
 
     # Build up a list of the table header names from the ini filenames.
-    header_names = []
+    pmd_names = []
     for ini_filename in ini_files:
         name = ini_filename[:-4]
         name = name.replace('_vf', 'vf')
+        pmd_names.append(name)
 
-        # Pad the table header names to match the existing format.
+    # Pad the table header names.
+    max_header_len = len(max(pmd_names, key=len))
+    header_names = []
+    for name in pmd_names:
         if '_vec' in name:
             pmd, vec = name.split('_')
-            name = '{0:{fill}{align}7}vec'.format(pmd, fill='.', align='<')
+            name = '{0:{fill}{align}{width}}vec'.format(pmd,
+                    fill='.', align='<', width=max_header_len-3)
         else:
-            name = '{0:{fill}{align}10}'.format(name, fill=' ', align='<')
-
+            name = '{0:{fill}{align}{width}}'.format(name,
+                    fill=' ', align='<', width=max_header_len)
         header_names.append(name)
 
     # Create a dict of the defined features for each driver from the ini files.
@@ -235,11 +176,8 @@ def generate_overview_table(output_filename, table_id, section, table_name, titl
         # Initialize the dict with the default.ini value.
         ini_data[ini_filename] = valid_features.copy()
 
-        # Check for a valid ini section.
+        # Check for a section.
         if not config.has_section(section):
-            print("{}: File '{}' has no [{}] secton".format(warning,
-                                                            ini_filename,
-                                                            section))
             continue
 
         # Check for valid features names.
@@ -247,10 +185,13 @@ def generate_overview_table(output_filename, table_id, section, table_name, titl
             if name not in valid_features:
                 print("{}: Unknown feature '{}' in '{}'".format(warning,
                                                                 name,
-                                                                ini_filename))
+                                                                ini_filename),
+                                                                file=stderr)
+                if stop_on_error:
+                    raise Exception('Warning is treated as a failure')
                 continue
 
-            if value is not '':
+            if value:
                 # Get the first letter only.
                 ini_data[ini_filename][name] = value[0]
 
@@ -274,7 +215,7 @@ def print_table_header(outfile, num_cols, header_names, title):
 
     print_table_row(outfile, title, line)
 
-    for i in range(1, 10):
+    for i in range(1, len(header_names[0])):
         line = ''
         for name in header_names:
             line += ' ' + name[i]
@@ -327,22 +268,35 @@ def print_table_css(outfile, table_id):
          cursor: default;
          overflow: hidden;
       }
+      table#idx p {
+         margin: 0;
+         line-height: inherit;
+      }
       table#idx th, table#idx td {
          text-align: center;
+         border: solid 1px #ddd;
       }
       table#idx th {
-         font-size: 80%;
+         padding: 0.5em 0;
+      }
+      table#idx th, table#idx th p {
+         font-size: 11px;
          white-space: pre-wrap;
          vertical-align: top;
-         padding: 2px;
+         min-width: 0.9em;
+      }
+      table#idx col:first-child {
+         width: 0;
       }
       table#idx th:first-child {
          vertical-align: bottom;
       }
       table#idx td {
-         font-size: 70%;
          padding: 1px;
       }
+      table#idx td, table#idx td p {
+         font-size: 11px;
+      }
       table#idx td:first-child {
          padding-left: 1em;
          text-align: left;
@@ -379,6 +333,16 @@ def setup(app):
                             'Features',
                             'Features availability in networking drivers',
                             'Feature')
+    table_file = dirname(__file__) + '/nics/rte_flow_items_table.txt'
+    generate_overview_table(table_file, 2,
+                            'rte_flow items',
+                            'rte_flow items availability in networking drivers',
+                            'Item')
+    table_file = dirname(__file__) + '/nics/rte_flow_actions_table.txt'
+    generate_overview_table(table_file, 3,
+                            'rte_flow actions',
+                            'rte_flow actions availability in networking drivers',
+                            'Action')
     table_file = dirname(__file__) + '/cryptodevs/overview_feature_table.txt'
     generate_overview_table(table_file, 1,
                             'Features',
@@ -399,11 +363,43 @@ def setup(app):
                             'AEAD',
                             'AEAD algorithms in crypto drivers',
                             'AEAD algorithm')
+    table_file = dirname(__file__) + '/cryptodevs/overview_asym_table.txt'
+    generate_overview_table(table_file, 5,
+                            'Asymmetric',
+                            'Asymmetric algorithms in crypto drivers',
+                            'Asymmetric algorithm')
+    table_file = dirname(__file__) + '/compressdevs/overview_feature_table.txt'
+    generate_overview_table(table_file, 1,
+                            'Features',
+                            'Features availability in compression drivers',
+                            'Feature')
+    table_file = dirname(__file__) + '/regexdevs/overview_feature_table.txt'
+    generate_overview_table(table_file, 1,
+                            'Features',
+                            'Features availability in regex drivers',
+                            'Feature')
+    table_file = dirname(__file__) + '/vdpadevs/overview_feature_table.txt'
+    generate_overview_table(table_file, 1,
+                            'Features',
+                            'Features availability in vDPA drivers',
+                            'Feature')
+    table_file = dirname(__file__) + '/bbdevs/overview_feature_table.txt'
+    generate_overview_table(table_file, 1,
+                            'Features',
+                            'Features availability in bbdev drivers',
+                            'Feature')
 
     if LooseVersion(sphinx_version) < LooseVersion('1.3.1'):
         print('Upgrade sphinx to version >= 1.3.1 for '
-              'improved Figure/Table number handling.')
+              'improved Figure/Table number handling.',
+              file=stderr)
         # Add a role to handle :numref: references.
         app.add_role('numref', numref_role)
         # Process the numref references once the doctree has been created.
         app.connect('doctree-resolved', process_numref)
+
+    try:
+        # New function in sphinx 1.8
+        app.add_css_file('css/custom.css')
+    except:
+        app.add_stylesheet('css/custom.css')