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href="../../../topics/sdk/uart/uart_user_guide.html" id="uart_user_guide-d4445e7215-link">UART 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="usb_user_guide-d4445e7299" class="topicref" data-id="usb_user_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action usb_user_guide-d4445e7299-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb_user_guide.html" id="usb_user_guide-d4445e7299-link">USB 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/mac/mac_design.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">设计说明</h1>
<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
Read time: 2 minute(s)
</div>
<div class="- topic/body concept/conbody body conbody">
<div class="- topic/p p" data-ofbid="d176538e33__20250123155219">Ethernet 的源码涉及以下目录:<ul class="- topic/ul ul" id="mac_design_intro__ul_ibn_gbs_21c" data-ofbid="mac_design_intro__ul_ibn_gbs_21c">
<li class="- topic/li li" data-ofbid="d176538e37__20250123155219">
<div class="- topic/p p" data-ofbid="d176538e39__20250123155219">MAC 驱动:<span class="- topic/ph ph">MAC
的主驱动代码</span><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_lnf_3bs_21c" data-ofbid="mac_design_intro__codeblock_lnf_3bs_21c"><code>drivers/net/ethernet/artinchip</code></pre></div>
</li>
<li class="- topic/li li" data-ofbid="d176538e47__20250123155219">
<div class="- topic/p p" data-ofbid="d176538e49__20250123155219">PHY 驱动:使用到的 mdiophy
等模块的驱动<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_a2b_jbs_21c" data-ofbid="mac_design_intro__codeblock_a2b_jbs_21c"><code>drivers/net/phy</code></pre></div>
</li>
<li class="- topic/li li" data-ofbid="d176538e55__20250123155219">
<div class="- topic/p p" data-ofbid="d176538e57__20250123155219">SysConfig系统时钟选择delay
设置等<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_bqc_jbs_21c" data-ofbid="mac_design_intro__codeblock_bqc_jbs_21c"><code>
drivers/misc/artinchip-syscfg.c</code></pre></div>
</li>
</ul></div>
<p class="- topic/p p" data-ofbid="d176538e64__20250123155219"> 文件命名说明</p>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_bhq_mbs_21c" data-ofbid="mac_design_intro__codeblock_bhq_mbs_21c"><code>aicmac_module_submodule.c
aicmac_module_submodule.h</code></pre>
<div class="table-container"><table class="- topic/table table frame-all" id="mac_design_intro__table_pbn_gbs_21c" data-ofbid="mac_design_intro__table_pbn_gbs_21c" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label"><span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">文件说明</span></caption><colgroup><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/></colgroup><thead class="- topic/thead thead">
<tr class="- topic/row">
<th class="- topic/entry entry colsep-1 rowsep-1" id="mac_design_intro__table_pbn_gbs_21c__entry__1">文件名称</th>
<th class="- topic/entry entry colsep-1 rowsep-1" id="mac_design_intro__table_pbn_gbs_21c__entry__2">用途</th>
<th class="- topic/entry entry colsep-0 rowsep-1" id="mac_design_intro__table_pbn_gbs_21c__entry__3">备注</th>
</tr>
</thead><tbody class="- topic/tbody tbody">
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac.h</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">priv 数据结构,宏入口</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_core.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">驱动核心逻辑</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_platform.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">平台相关驱动注册dts 配置处理</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_platform.h</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">platform 数据结构,包含其他模块</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_napi.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">napi 接口及相关逻辑</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_mac.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">mac 相关逻辑代码</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_gmac_reg.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">gmac registers</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_dma.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">dma 相关逻辑代码</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_dma_reg.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">dma registers</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_dma_desc.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">dma descriptor</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">entended descriptor</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_dma_ring.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">dma ring mode</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">推荐使用 ringmode</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_dma_chain.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">dma chain mode</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_mdio.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">mdio 相关逻辑代码</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_phy.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">physic 相关逻辑代码</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_ethtool.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">ethtool 相关逻辑代码</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_macaddr.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">mac 地址各种生成逻辑</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_util.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">公共函数</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">主要为信息格式化输出</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_1588.c</td>
<td class="- topic/entry entry colsep-1 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">IEEE1588/PTP 相关逻辑</td>
<td class="- topic/entry entry colsep-0 rowsep-1" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
<tr class="- topic/row">
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mac_design_intro__table_pbn_gbs_21c__entry__1">aicmac_hwstamp.c</td>
<td class="- topic/entry entry colsep-1 rowsep-0" headers="mac_design_intro__table_pbn_gbs_21c__entry__2">hardware stamp, 为 IEEE1588 服务</td>
<td class="- topic/entry entry colsep-0 rowsep-0" headers="mac_design_intro__table_pbn_gbs_21c__entry__3">-</td>
</tr>
</tbody></table></div>
<ul class="- topic/ul ul" id="mac_design_intro__ul_brm_rbs_21c" data-ofbid="mac_design_intro__ul_brm_rbs_21c">
<li class="- topic/li li" data-ofbid="d176538e336__20250123155219">函数命名说明:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_vlk_sbs_21c" data-ofbid="mac_design_intro__codeblock_vlk_sbs_21c"><code>aicmac_module_method</code></pre></li>
<li class="- topic/li li" data-ofbid="d176538e341__20250123155219">C
文件格式<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_wht_pcs_21c" data-ofbid="mac_design_intro__codeblock_wht_pcs_21c"><code><em class="hl-comment">// SPDX-License-Identifier: GPL-2.0-only</em>
<em class="hl-comment">/*
* Copyright (C) 2021 ArtInChip Technology Co., Ltd.
* Author: Keliang Liu &lt;keliang.liu@artinchip.com&gt;
*/</em>
#include &lt;&gt;
#include “”</code></pre></li>
<li class="- topic/li li" data-ofbid="d176538e346__20250123155219">H
文件格式<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_gg3_qcs_21c" data-ofbid="mac_design_intro__codeblock_gg3_qcs_21c"><code><em class="hl-comment">/* SPDX-License-Identifier: GPL-2.0-only */</em>
<em class="hl-comment">/*
* Copyright (C) 2021 ArtInChip Technology Co., Ltd.
* Author: Keliang Liu &lt;keliang.liu@artinchip.com&gt;
*/</em>
#ifndef _XXX_XXX_H_
#<span class="hl-directive">define</span> _XXX_XXX_H_
#endif</code></pre></li>
<li class="- topic/li li" data-ofbid="d176538e351__20250123155219">Module
Description<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_design_intro__codeblock_pp4_qcs_21c" data-ofbid="mac_design_intro__codeblock_pp4_qcs_21c"><code>MODULE_AUTHOR(<span class="hl-string">"Keliang Liu"</span>);
MODULE_DESCRIPTION(<span class="hl-string">"ArtInChip GMAC Driver"</span>);
MODULE_ALIAS(<span class="hl-string">"platform:"</span> AICMAC_RESOURCE_NAME);
MODULE_LICENSE(<span class="hl-string">"GPL"</span>);</code></pre></li>
</ul>
<section class="- topic/section section" id="mac_design_intro__section_awk_5bs_21c" data-ofbid="mac_design_intro__section_awk_5bs_21c"><h2 class="- topic/title title sectiontitle">驱动架构</h2>
<div class="- topic/p p" data-ofbid="d176538e363__20250123155219">
<figure class="- topic/fig fig fignone" id="mac_design_intro__fig_vwj_vbs_21c" data-ofbid="mac_design_intro__fig_vwj_vbs_21c">
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mac_design_intro__image_ubn_gbs_21c" src="../../../images/mac/mac-arch.jpg" alt="mac-arch"/></div><br/>
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label"><span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">驱动架构图</span></figcaption></figure>
</div>
<div class="- topic/p p" data-ofbid="d176538e378__20250123155219">驱动模块描述:<ul class="- topic/ul ul" id="mac_design_intro__ul_vbn_gbs_21c" data-ofbid="mac_design_intro__ul_vbn_gbs_21c">
<li class="- topic/li li" data-ofbid="d176538e382__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e384__20250123155219">Platform驱动入口进行驱动声明和注册dts 解析</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e388__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e390__20250123155219">Core驱动核心逻辑调度其他模块</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e394__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e396__20250123155219">MACMAC 子模块处理,其中寄存器操作接口单独封装</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e400__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e402__20250123155219">DMADMA 相关逻辑处理寄存器RingChainDescriptor 单独封装</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e406__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e408__20250123155219">MDIOMDIO 总线相关逻辑处理</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e413__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e415__20250123155219">PHYPHY 模块相关逻辑处理</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e419__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e421__20250123155219">NAPINAPI 接口逻辑处理</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e425__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e427__20250123155219">ethtool提供 ethtool 接口的逻辑</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e431__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e433__20250123155219">mac addr和各种外设资源配合完成 mac 地址的逻辑</p>
</li>
<li class="- topic/li li" data-ofbid="d176538e437__20250123155219">
<p class="- topic/p p" data-ofbid="d176538e439__20250123155219">1588对 IEEE1588PTP的逻辑封装</p>
</li>
</ul></div>
<figure class="- topic/fig fig fignone" id="mac_design_intro__fig_nyn_ybs_21c" data-ofbid="mac_design_intro__fig_nyn_ybs_21c">
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mac_design_intro__image_wbn_gbs_21c" src="../../../images/mac/mac-para.jpg" alt="mac-para"/></div><br/>
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label"><span class="fig--title-label-number"> 2</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">数据流程</span></figcaption></figure>
<figure class="- topic/fig fig fignone" id="mac_design_intro__fig_bwl_1cs_21c" data-ofbid="mac_design_intro__fig_bwl_1cs_21c">
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<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label"><span class="fig--title-label-number"> 3</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">数据流程</span></figcaption></figure>
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