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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" 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">3 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d321502e22__20250121171825">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="d321502e25__20250121171825">
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<div class="- topic/p p" data-ofbid="d321502e27__20250121171825">MAC 驱动：<span class="- topic/ph ph">MAC
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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">drivers/net/ethernet/artinchip</pre></div>
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</li><li class="- topic/li li" data-ofbid="d321502e34__20250121171825">
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<div class="- topic/p p" data-ofbid="d321502e36__20250121171825">PHY 驱动：使用到的 mdio，phy
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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">drivers/net/phy</pre></div>
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</li><li class="- topic/li li" data-ofbid="d321502e41__20250121171825">
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<div class="- topic/p p" data-ofbid="d321502e43__20250121171825">SysConfig：系统时钟选择，delay
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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">
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drivers/misc/artinchip-syscfg.c</pre></div>
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</li></ul></div><p class="- topic/p p" data-ofbid="d321502e48__20250121171825"> 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">aicmac_module_submodule.c
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aicmac_module_submodule.h</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">表<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="d321502e203__20250121171825">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">aicmac_module_method</pre></li><li class="- topic/li li" data-ofbid="d321502e207__20250121171825">C
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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"><em class="hl-comment">// SPDX-License-Identifier: GPL-2.0-only</em>
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<em class="hl-comment">/*
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* Copyright (C) 2021 ArtInChip Technology Co., Ltd.
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* Author: Keliang Liu <keliang.liu@artinchip.com>
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*/</em>
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#include <>
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#include “”</pre></li><li class="- topic/li li" data-ofbid="d321502e211__20250121171825">H
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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"><em class="hl-comment">/* SPDX-License-Identifier: GPL-2.0-only */</em>
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<em class="hl-comment">/*
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* Copyright (C) 2021 ArtInChip Technology Co., Ltd.
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* Author: Keliang Liu <keliang.liu@artinchip.com>
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*/</em>
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#ifndef _XXX_XXX_H_
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#<span class="hl-directive">define</span> _XXX_XXX_H_
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#endif</pre></li><li class="- topic/li li" data-ofbid="d321502e215__20250121171825">Module
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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">MODULE_AUTHOR(<span class="hl-string">"Keliang Liu"</span>);
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MODULE_DESCRIPTION(<span class="hl-string">"ArtInChip GMAC Driver"</span>);
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MODULE_ALIAS(<span class="hl-string">"platform:"</span> AICMAC_RESOURCE_NAME);
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MODULE_LICENSE(<span class="hl-string">"GPL"</span>);</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>
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<div class="- topic/p p" data-ofbid="d321502e224__20250121171825">
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<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">图<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>
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</div>
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<div class="- topic/p p" data-ofbid="d321502e234__20250121171825">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="d321502e237__20250121171825">
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<p class="- topic/p p" data-ofbid="d321502e239__20250121171825">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="d321502e242__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e244__20250121171825">Core：驱动核心逻辑，调度其他模块</p>
|
||
</li><li class="- topic/li li" data-ofbid="d321502e247__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e249__20250121171825">MAC：MAC 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="d321502e252__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e254__20250121171825">DMA：DMA 相关逻辑处理，寄存器，Ring，Chain，Descriptor 单独封装</p>
|
||
</li><li class="- topic/li li" data-ofbid="d321502e257__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e259__20250121171825">MDIO：MDIO 总线相关逻辑处理</p>
|
||
</li><li class="- topic/li li" data-ofbid="d321502e262__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e264__20250121171825">PHY：PHY 模块相关逻辑处理</p>
|
||
</li><li class="- topic/li li" data-ofbid="d321502e267__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e269__20250121171825">NAPI：NAPI 接口逻辑处理</p>
|
||
</li><li class="- topic/li li" data-ofbid="d321502e272__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e274__20250121171825">ethtool：提供 ethtool 接口的逻辑</p>
|
||
</li><li class="- topic/li li" data-ofbid="d321502e277__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e279__20250121171825">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="d321502e282__20250121171825">
|
||
<p class="- topic/p p" data-ofbid="d321502e284__20250121171825">1588：对 IEEE1588（PTP）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">图<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"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mac_design_intro__image_xbn_gbs_21c" src="../../../images/mac/mac-data.jpg" alt="mac-data"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<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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</section></div></article></main></div>
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