doc: fix GSO guide

Correct two minor issues in the GSO programmer's guide:
- a note is rendered incorrectly in the middle of an unordered list;
  this results in the remainder of the list appearing inside the note.
  Correct indentation of the note to resolve same.
- two minor visual artifacts are present in the 'three-part-output-segment'
  diagram. Remove same.

Fixes: f6010c7655cc ("doc: add GSO programmer's guide")

Signed-off-by: Mark Kavanagh <mark.b.kavanagh@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>

diff --git a/doc/guides/prog_guide/generic_segmentation_offload_lib.rst b/doc/guides/prog_guide/generic_segmentation_offload_lib.rst
index 5e78f16..4bbf01a 100644 (file)
--- a/doc/guides/prog_guide/generic_segmentation_offload_lib.rst
+++ b/doc/guides/prog_guide/generic_segmentation_offload_lib.rst
@@ -197,12 +197,13 @@ To segment an outgoing packet, an application must:
    - a pointer to the mbuf pool for allocating indirect buffers, which are
      used to locate GSO segments' packet payloads.
 
-.. note::
+     .. note::
+
+       An application may use the same pool for both direct and indirect
+       buffers. However, since indirect mbufs simply store a pointer, the
+       application may reduce its memory consumption by creating a separate memory
+       pool, containing smaller elements, for the indirect pool.
 
-     An application may use the same pool for both direct and indirect
-     buffers. However, since each indirect mbuf simply stores a pointer, the
-     application may reduce its memory consumption by creating a separate memory
-     pool, containing smaller elements, for the indirect pool.
 
    - the size of each output segment, including packet headers and payload,
      measured in bytes.

diff --git a/doc/guides/prog_guide/img/gso-three-seg-mbuf.svg b/doc/guides/prog_guide/img/gso-three-seg-mbuf.svg
index f18a327..0431012 100644 (file)
--- a/doc/guides/prog_guide/img/gso-three-seg-mbuf.svg
+++ b/doc/guides/prog_guide/img/gso-three-seg-mbuf.svg
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by Microsoft Visio, SVG Export gso-three-seg-mbuf.svg Page-1 -->
+<!-- Generated by Microsoft Visio, SVG Export gso-three-seg-mbuf_new.svg Page-1 -->
 <svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ev="http://www.w3.org/2001/xml-events"
-               xmlns:v="http://schemas.microsoft.com/visio/2003/SVGExtensions/" width="21.8589in" height="9.63966in"
-               viewBox="0 0 1573.84 694.055" xml:space="preserve" color-interpolation-filters="sRGB" class="st23">
+               xmlns:v="http://schemas.microsoft.com/visio/2003/SVGExtensions/" width="25.5895in" height="9.63966in"
+               viewBox="0 0 1842.44 694.055" xml:space="preserve" color-interpolation-filters="sRGB" class="st23">
        <title>GSO three-part output segment</title>
        <v:documentProperties v:langID="1033" v:metric="true" v:viewMarkup="false"/>
 
@@ -132,7 +132,7 @@
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="87.5716" cy="673.065" width="175.15" height="41.9798"/>
                        <path d="M175.14 652.08 L0 652.08 L0 694.06 L175.14 694.06 L175.14 652.08" class="st8"/>
-                       <text x="37" y="680.57" class="st9" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Payload 1</text>         </g>
+                       <text x="22.61" y="680.57" class="st9" v:langID="1033"><v:paragraph/><v:tabList/>Payload 1</text>               </g>
                <g id="shape15-27" v:mID="15" v:groupContext="shape" transform="translate(2.2377,-522.82)">
                        <title>Sheet.15</title>
                        <path d="M0 597.01 L0 694.06 L154.68 694.06 L154.68 597.01 L0 597.01 L0 597.01 Z" class="st4"/>
@@ -178,21 +178,14 @@
                        <v:textRect cx="97.4929" cy="673.065" width="194.99" height="41.9798"/>
                        <path d="M194.99 652.08 L0 652.08 L0 694.06 L194.99 694.06 L194.99 652.08" class="st8"/>
                        <text x="16.99" y="683.56" class="st10" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Payload 1</text>             </g>
-               <g id="shape35-54" v:mID="35" v:groupContext="shape" transform="translate(1199.29,-21.1708)">
+               <g id="shape35-54" v:mID="35" v:groupContext="shape" transform="translate(1190.48,-32.2189)">
                        <title>Sheet.35</title>
                        <desc>Logical output segment</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="164.662" cy="678.273" width="329.33" height="31.5648"/>
                        <path d="M329.32 662.49 L0 662.49 L0 694.06 L329.32 694.06 L329.32 662.49" class="st8"/>
-                       <text x="24.69" y="686.16" class="st11" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Logical output segment</text>                </g>
-               <g id="shape38-58" v:mID="38" v:groupContext="shape" transform="translate(1204.65,-254.446)">
-                       <title>Sheet.38</title>
-                       <desc>Three-part output segment</desc>
-                       <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
-                       <v:textRect cx="181.707" cy="678.273" width="363.42" height="31.5648"/>
-                       <path d="M363.41 662.49 L0 662.49 L0 694.06 L363.41 694.06 L363.41 662.49" class="st8"/>
-                       <text x="19.51" y="686.16" class="st11" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Three-part output segment</text>             </g>
-               <g id="shape39-62" v:mID="39" v:groupContext="shape" transform="translate(546.25,-529.921)">
+                       <text x="0" y="686.16" class="st11" v:langID="1033"><v:paragraph/><v:tabList/>Logical output segment</text>             </g>
+               <g id="shape39-58" v:mID="39" v:groupContext="shape" transform="translate(546.25,-529.921)">
                        <title>Sheet.39</title>
                        <path d="M3.43 529.94 L3.46 543.61 L0.03 543.61 L0 529.94 L3.43 529.94 L3.43 529.94 ZM3.46 553.87 L3.46 557.29 L0.03
                                                 557.29 L0.03 553.87 L3.46 553.87 L3.46 553.87 ZM3.46 567.55 L3.46 581.22 L0.03 581.22 L0.03 567.55 L3.46
@@ -202,7 +195,7 @@
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                                                 L3.46 694.06 L0.03 694.06 L0.03 680.38 L3.46 680.38 L3.46 680.38 Z" class="st1"/>
                </g>
-               <g id="shape40-64" v:mID="40" v:groupContext="shape" transform="translate(549.097,-223.749)">
+               <g id="shape40-60" v:mID="40" v:groupContext="shape" transform="translate(549.097,-223.749)">
                        <title>Sheet.40</title>
                        <path d="M6.65 402.61 L13.01 414.71 L9.98 416.32 L3.62 404.22 L6.65 402.61 L6.65 402.61 ZM17.82 423.78 L19.4 426.81 L16.37
                                                 428.42 L14.79 425.39 L17.82 423.78 L17.82 423.78 ZM24.21 435.91 L30.57 448.01 L27.54 449.59 L21.18 437.49
@@ -221,59 +214,59 @@
                                                 L155.17 691.66 L158.2 690.04 L158.2 690.04 ZM0.33 408.43 L0 393.7 L11.99 402.28 L0.33 408.43 L0.33 408.43
                                                 Z" class="st1"/>
                </g>
-               <g id="shape46-66" v:mID="46" v:groupContext="shape" transform="translate(66.8445,-221.499)">
+               <g id="shape46-62" v:mID="46" v:groupContext="shape" transform="translate(66.8445,-221.499)">
                        <title>Sheet.46</title>
                        <path d="M0 611.87 C0 602.79 7.38 595.43 16.47 595.43 L273.39 595.43 C282.51 595.43 289.86 602.79 289.86 611.87 L289.86
                                                 677.62 C289.86 686.72 282.51 694.06 273.39 694.06 L16.47 694.06 C7.38 694.06 -0 686.72 0 677.62 L0 611.87
                                                 Z" class="st4"/>
                </g>
-               <g id="shape47-68" v:mID="47" v:groupContext="shape" transform="translate(66.8445,-221.499)">
+               <g id="shape47-64" v:mID="47" v:groupContext="shape" transform="translate(66.8445,-221.499)">
                        <title>Sheet.47</title>
                        <path d="M0 611.87 C0 602.79 7.38 595.43 16.47 595.43 L273.39 595.43 C282.51 595.43 289.86 602.79 289.86 611.87 L289.86
                                                 677.62 C289.86 686.72 282.51 694.06 273.39 694.06 L16.47 694.06 C7.38 694.06 -0 686.72 0 677.62 L0 611.87
                                                 Z" class="st12"/>
                </g>
-               <g id="shape48-70" v:mID="48" v:groupContext="shape" transform="translate(113.27,-263.667)">
+               <g id="shape48-66" v:mID="48" v:groupContext="shape" transform="translate(113.27,-263.667)">
                        <title>Sheet.48</title>
                        <desc>Direct mbuf</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="98.5041" cy="675.59" width="197.01" height="36.9302"/>
                        <path d="M197.01 657.13 L0 657.13 L0 694.06 L197.01 694.06 L197.01 657.13" class="st8"/>
                        <text x="18.66" y="684.59" class="st13" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Direct mbuf</text>           </g>
-               <g id="shape51-74" v:mID="51" v:groupContext="shape" transform="translate(85.817,-233.439)">
+               <g id="shape51-70" v:mID="51" v:groupContext="shape" transform="translate(85.817,-233.439)">
                        <title>Sheet.51</title>
                        <desc>(copy of headers)</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="127.916" cy="678.273" width="255.84" height="31.5648"/>
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                        <text x="34.33" y="685.47" class="st14" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>(copy of headers)</text>             </g>
-               <g id="shape53-78" v:mID="53" v:groupContext="shape" transform="translate(371.944,-275.998)">
+               <g id="shape53-74" v:mID="53" v:groupContext="shape" transform="translate(371.944,-275.998)">
                        <title>Sheet.53</title>
                        <desc>next</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="33.3635" cy="678.273" width="66.73" height="31.5648"/>
                        <path d="M66.73 662.49 L0 662.49 L0 694.06 L66.73 694.06 L66.73 662.49" class="st8"/>
                        <text x="7.56" y="686.16" class="st15" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>next</text>           </g>
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+               <g id="shape54-78" v:mID="54" v:groupContext="shape" transform="translate(695.132,-646.04)">
                        <title>Sheet.54</title>
                        <path d="M0 655.39 L0 694.06 L100.4 694.06 L100.4 655.39 L0 655.39 L0 655.39 Z" class="st16"/>
                </g>
-               <g id="shape55-84" v:mID="55" v:groupContext="shape" transform="translate(709.033,-648.946)">
+               <g id="shape55-80" v:mID="55" v:groupContext="shape" transform="translate(709.033,-648.946)">
                        <title>Sheet.55</title>
                        <desc>segsz</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="36.6265" cy="680.167" width="73.26" height="27.7775"/>
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                        <text x="7.6" y="687.11" class="st17" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>segsz</text>           </g>
-               <g id="shape56-88" v:mID="56" v:groupContext="shape" transform="translate(785.874,-521.182)">
+               <g id="shape56-84" v:mID="56" v:groupContext="shape" transform="translate(785.874,-521.182)">
                        <title>Sheet.56</title>
                        <path d="M0 597.27 L0 694.06 L363.41 694.06 L363.41 597.27 L0 597.27 L0 597.27 Z" class="st6"/>
                </g>
-               <g id="shape57-90" v:mID="57" v:groupContext="shape" transform="translate(785.874,-521.182)">
+               <g id="shape57-86" v:mID="57" v:groupContext="shape" transform="translate(785.874,-521.182)">
                        <title>Sheet.57</title>
                        <path d="M0 597.27 L363.41 597.27 L363.41 694.06 L0 694.06 L0 597.27" class="st7"/>
                </g>
-               <g id="shape58-93" v:mID="58" v:groupContext="shape" v:layerMember="0" transform="translate(943.158,-529.889)">
+               <g id="shape58-89" v:mID="58" v:groupContext="shape" v:layerMember="0" transform="translate(943.158,-529.889)">
                        <title>Sheet.58</title>
                        <path d="M1.35 529.91 L1.25 543.58 L4.68 543.61 L4.78 529.94 L1.35 529.91 L1.35 529.91 ZM1.15 553.84 L1.12 557.26 L4.55
                                                 557.29 L4.58 553.87 L1.15 553.84 L1.15 553.84 ZM1.05 567.52 L0.92 581.19 L4.35 581.22 L4.48 567.55 L1.05
@@ -283,61 +276,61 @@
                                                 642.74 L0.43 642.74 ZM0.23 666.67 L0.2 670.09 L3.62 670.12 L3.66 666.7 L0.23 666.67 L0.23 666.67 ZM0.13
                                                 680.35 L0 694.02 L3.43 694.06 L3.56 680.38 L0.13 680.35 L0.13 680.35 Z" class="st18"/>
                </g>
-               <g id="shape59-95" v:mID="59" v:groupContext="shape" transform="translate(785.874,-549.473)">
+               <g id="shape59-91" v:mID="59" v:groupContext="shape" transform="translate(785.874,-549.473)">
                        <title>Sheet.59</title>
                        <desc>Payload 1</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="77.3395" cy="673.065" width="154.68" height="41.9798"/>
                        <path d="M154.68 652.08 L0 652.08 L0 694.06 L154.68 694.06 L154.68 652.08" class="st8"/>
-                       <text x="26.77" y="680.57" class="st9" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Payload 1</text>              </g>
-               <g id="shape60-99" v:mID="60" v:groupContext="shape" transform="translate(952.97,-548.822)">
+                       <text x="16.96" y="680.57" class="st9" v:langID="1033"><v:paragraph/><v:tabList/>Payload 1</text>               </g>
+               <g id="shape60-95" v:mID="60" v:groupContext="shape" transform="translate(952.97,-548.822)">
                        <title>Sheet.60</title>
                        <desc>Payload 2</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="97.4929" cy="673.065" width="194.99" height="41.9798"/>
                        <path d="M194.99 652.08 L0 652.08 L0 694.06 L194.99 694.06 L194.99 652.08" class="st8"/>
                        <text x="46.92" y="680.57" class="st9" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Payload 2</text>              </g>
-               <g id="shape63-103" v:mID="63" v:groupContext="shape" transform="translate(1210.43,-551.684)">
+               <g id="shape63-99" v:mID="63" v:groupContext="shape" transform="translate(1190.48,-552.568)">
                        <title>Sheet.63</title>
                        <desc>Multi-segment input packet</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="181.707" cy="678.273" width="363.42" height="31.5648"/>
                        <path d="M363.41 662.49 L0 662.49 L0 694.06 L363.41 694.06 L363.41 662.49" class="st8"/>
-                       <text x="17.75" y="686.16" class="st11" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Multi-segment input packet</text>            </g>
-               <g id="shape70-107" v:mID="70" v:groupContext="shape" v:layerMember="1" transform="translate(455.049,-221.499)">
+                       <text x="0" y="686.16" class="st11" v:langID="1033"><v:paragraph/><v:tabList/>Multi-segment input packet</text>         </g>
+               <g id="shape70-103" v:mID="70" v:groupContext="shape" v:layerMember="1" transform="translate(455.049,-221.499)">
                        <title>Sheet.70</title>
                        <path d="M0 611.87 C0 602.79 5.33 595.43 11.89 595.43 L282.92 595.43 C289.53 595.43 294.8 602.79 294.8 611.87 L294.8
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                                                 Z" class="st6"/>
                </g>
-               <g id="shape71-109" v:mID="71" v:groupContext="shape" transform="translate(455.049,-221.499)">
+               <g id="shape71-105" v:mID="71" v:groupContext="shape" transform="translate(455.049,-221.499)">
                        <title>Sheet.71</title>
-                       <path d="M0 611.87 C0 602.79 7.38 595.43 16.47 595.43 L391.97 595.43 C401.12 595.43 408.44 602.79 408.44 611.87 L408.44
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                                                 Z" class="st12"/>
                </g>
-               <g id="shape72-111" v:mID="72" v:groupContext="shape" transform="translate(489.065,-263.434)">
+               <g id="shape72-107" v:mID="72" v:groupContext="shape" transform="translate(489.065,-263.434)">
                        <title>Sheet.72</title>
                        <desc>Indirect mbuf</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="112.128" cy="675.59" width="224.26" height="36.9302"/>
                        <path d="M224.26 657.13 L0 657.13 L0 694.06 L224.26 694.06 L224.26 657.13" class="st8"/>
                        <text x="20.73" y="684.59" class="st13" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>Indirect mbuf</text>         </g>
-               <g id="shape75-115" v:mID="75" v:groupContext="shape" transform="translate(849.065,-281.435)">
+               <g id="shape75-111" v:mID="75" v:groupContext="shape" transform="translate(849.065,-281.435)">
                        <title>Sheet.75</title>
                        <desc>(pointer to data)</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="100.199" cy="678.273" width="200.4" height="31.5648"/>
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                        <text x="4.49" y="686.16" class="st11" v:langID="1033"><v:paragraph v:horizAlign="1"/><v:tabList/>(pointer to data)</text>              </g>
-               <g id="shape77-119" v:mID="77" v:groupContext="shape" transform="translate(717.742,-563.523)">
+               <g id="shape77-115" v:mID="77" v:groupContext="shape" transform="translate(717.742,-563.523)">
                        <title>Sheet.77</title>
                        <desc>next</desc>
                        <v:textBlock v:margins="rect(0,0,0,0)" v:tabSpace="42.5197"/>
                        <v:textRect cx="33.3635" cy="678.273" width="66.73" height="31.5648"/>
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+               <g id="shape78-119" v:mID="78" v:groupContext="shape" transform="translate(1148.17,-529.067)">
                        <title>Sheet.78</title>
                        <path d="M1.38 529.87 L1.25 543.55 L4.68 543.61 L4.81 529.94 L1.38 529.87 L1.38 529.87 ZM1.19 553.81 L1.12 557.23 L4.55
                                                 557.29 L4.61 553.87 L1.19 553.81 L1.19 553.81 ZM1.05 567.48 L0.92 581.16 L4.35 581.22 L4.48 567.55 L1.05
@@ -347,7 +340,7 @@
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                </g>
-               <g id="shape79-125" v:mID="79" v:groupContext="shape" transform="translate(946.254,-657.81)">
+               <g id="shape79-121" v:mID="79" v:groupContext="shape" transform="translate(946.254,-657.81)">
                        <title>Sheet.79</title>
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                                                 688.27 L22.07 688.27 L22.07 686.69 L22.07 686.69 ZM28.39 686.69 L34.72 686.69 L34.72 688.27 L28.39 688.27
@@ -369,109 +362,116 @@
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