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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_debug.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">调试指南</h1><div class="date inPage">24 Dec 2024</div><div style="color: gray;">
Read time: 4 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="mac_debug_guide__section_ok1_lpp_g1c" data-ofbid="mac_debug_guide__section_ok1_lpp_g1c"><h2 class="- topic/title title sectiontitle">调试开关</h2>
<div class="- topic/p p" data-ofbid="d214778e27__20250121171643">
<ul class="- topic/ul ul" id="mac_debug_guide__ul_lwr_mpp_g1c" data-ofbid="mac_debug_guide__ul_lwr_mpp_g1c"><li class="- topic/li li" data-ofbid="d214778e30__20250121171643">以太网调试开关<div class="- topic/p p" data-ofbid="d214778e32__20250121171643">通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span> 命令打开 Luban-Lite
的配置选项如下路径，选中 Luban-Lite 的打印等级开关，可以将 Luban-Lite
的打印等级调到最高等级(debug)，可以实时观测以太网驱动内部的打印消息。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_pkd_npp_g1c" data-ofbid="mac_debug_guide__codeblock_pkd_npp_g1c">Rt-Thread options ---&gt;
RT-Thread Components ---&gt;
Utilities ---&gt;
[*] Enable ulog
The <strong class="hl-keyword">static</strong> output log level. (Debug) ---&gt;</pre></div></li><li class="- topic/li li" data-ofbid="d214778e39__20250121171643">LwIP 协议栈调试开关<div class="- topic/p p" data-ofbid="d214778e41__20250121171643">通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span> 命令打开 Luban-Lite
的配置选项如下路径，选中 LwIP 的调试开关,一般只打开 <code class="+ topic/ph pr-d/codeph ph codeph">Enable Debugging of IP</code>
就可以观察到是否正常收发数据。
如有其他调试需求，可根据自身需要打开其他调试开关：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_iv1_4pp_g1c" data-ofbid="mac_debug_guide__codeblock_iv1_4pp_g1c">Local packages options ---&gt;
Third-party packages options ---&gt;
LwIP: Light weight TCP/IP stack
[*] Enable LwIP Debugging Options ---&gt;
...
[*] Enable Debugging of IP
...</pre></div></li><li class="- topic/li li" data-ofbid="d214778e51__20250121171643">特殊功能调试开关<div class="- topic/p p" data-ofbid="d214778e53__20250121171643">Luban-Lite 支持一些自定义的测试命令，包括有 test_mqtt， iperf 命令， test_eth
命令。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_kff_ppp_g1c" data-ofbid="mac_debug_guide__codeblock_kff_ppp_g1c">Drivers options ---&gt;
lwIP example ---&gt;
[ ] Enable MQTT protocol test command
[ ] Enable iperf test cmd
[ ] Enable ethernet loopback test command</pre><ul class="- topic/ul ul" id="mac_debug_guide__ul_cdv_js3_zbc" data-ofbid="mac_debug_guide__ul_cdv_js3_zbc"><li class="- topic/li li" data-ofbid="d214778e58__20250121171643">
<dl class="- topic/dl dl" id="mac_debug_guide__dl_ddv_js3_zbc" data-ofbid="mac_debug_guide__dl_ddv_js3_zbc"><dt class="- topic/dt dt dlterm" data-ofbid="d214778e62__20250121171643">Enable MQTT protocol test command</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d214778e66__20250121171643">可用于测试 lwIP 的 MQTT 功能， 需要打开 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using MQTT
protocol</span> 选项</p>
</dd></dl>
</li><li class="- topic/li li" data-ofbid="d214778e73__20250121171643">
<dl class="- topic/dl dl" id="mac_debug_guide__dl_edv_js3_zbc" data-ofbid="mac_debug_guide__dl_edv_js3_zbc"><dt class="- topic/dt dt dlterm" data-ofbid="d214778e77__20250121171643">Enable iperf test command</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d214778e81__20250121171643">可用于测试 lwIP 的以太网 TCP 上下行网速</p>
</dd></dl>
</li><li class="- topic/li li" data-ofbid="d214778e85__20250121171643">
<dl class="- topic/dl dl" id="mac_debug_guide__dl_fdv_js3_zbc" data-ofbid="mac_debug_guide__dl_fdv_js3_zbc"><dt class="- topic/dt dt dlterm" data-ofbid="d214778e89__20250121171643">Enable ethernet loopback test command</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d214778e93__20250121171643">可用于以太网的回环测试，需要插入回环网线</p>
</dd></dl>
</li></ul></div></li></ul>
</div>
</section><section class="- topic/section section" id="mac_debug_guide__section_rzy_lzr_21c" data-ofbid="mac_debug_guide__section_rzy_lzr_21c"><h2 class="- topic/title title sectiontitle">功能验证</h2>
<p class="- topic/p p" data-ofbid="d214778e104__20250121171643">网络模块是否可以正常工作可以通过如下顺序排查：</p>
<ul class="- topic/ul ul" id="mac_debug_guide__ul_szy_lzr_21c" data-ofbid="mac_debug_guide__ul_szy_lzr_21c"><li class="- topic/li li" data-ofbid="d214778e108__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e110__20250121171643">本机 MAC 和 PHY 的连接是否成功</p>
</li><li class="- topic/li li" data-ofbid="d214778e113__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e115__20250121171643">本机 PHY 和对端 PHY 的连接是否成功</p>
</li><li class="- topic/li li" data-ofbid="d214778e118__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e120__20250121171643">是否可以通信</p>
</li></ul>
<ol class="- topic/ol ol" id="mac_debug_guide__ol_k22_tzr_21c" data-ofbid="mac_debug_guide__ol_k22_tzr_21c"><li class="- topic/li li" data-ofbid="d214778e125__20250121171643">MAC 与 PHY 连接成功<p class="- topic/p p" data-ofbid="d214778e127__20250121171643">MAC 与 PHY 是否连接成功，主要就是观察 MAC 能否通过 MDIO
接口正常访问 PHY 寄存器。Luban-Lite 读写 PHY 寄存器的接口为
<span class="+ topic/keyword pr-d/parmname keyword parmname">aicmac_read_phy_reg</span> 和
<span class="+ topic/keyword pr-d/parmname keyword parmname">aicmac_write_phy_reg</span>。在网卡启动过程及启动完成后，都会不间断的访问 PHY
寄存器。</p><div class="- topic/p p" data-ofbid="d214778e135__20250121171643">如果 MAC 与 PHY 连接失败，则会有类似与以下的打印消息出现。如果出现类似打印，则需要排查 pinmux、phy-addr
是否配置正确，并检查 PHY
芯片的电源、时钟、及复位引脚是否正常<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_tyn_xpp_g1c" data-ofbid="mac_debug_guide__codeblock_tyn_xpp_g1c">[E] aicmac port0 write phy <span class="hl-number">1</span> reg <span class="hl-number">0</span> timeout
</pre></div><p class="- topic/p p" data-ofbid="d214778e139__20250121171643">如果 MAC 与 PHY 正常连接，则不会有异常信息打印</p></li><li class="- topic/li li" data-ofbid="d214778e141__20250121171643">本机 PHY 和对端 PHY 的连接是否成功<p class="- topic/p p" data-ofbid="d214778e143__20250121171643">典型的 PHY 电路都留有 PHY 的连接状态指示灯，因此判断本机
PHY 与对端 PHY 是否连接成功的主要 方法就是观察 PHY 指示灯是否正常点亮。如果插上网线后，PHY 指示灯正常点亮则说明 PHY 连接成功。
否则，则说明 PHY 连接失败，可以检查本地 PHY 和对端 PHY 是否没有打开自协商功能且强制配置 的通信速率不相符（可能性很小），并检查 PHY
芯片的时钟、电源、复位引脚是否正常。</p><div class="- topic/p p" data-ofbid="d214778e145__20250121171643">如果使用的 PHY 电路没有预留 PHY 指示灯，则需要通过 PHY 芯片的状态寄存器去检查 PHY
的连接状态。 Luban-Lite 中通过 <span class="+ topic/keyword pr-d/parmname keyword parmname">aicphy_update_link</span> 接口去读取 PHY
的连接状态。如果本机 PHY 与对端 PHY
芯片连接成功，则会有调试信息。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_mwf_xpp_g1c" data-ofbid="mac_debug_guide__codeblock_mwf_xpp_g1c">[I] aicphy_poll_thread()<span class="hl-number">635</span> Port <span class="hl-number">0</span> link UP! autoneg mode: speed <span class="hl-number">100</span>M, full duplex, flow control on.</pre></div></li><li class="- topic/li li" data-ofbid="d214778e152__20250121171643">网络可通信<p class="- topic/p p" data-ofbid="d214778e154__20250121171643">经过上述的排查，MAC 和 PHY，PHY 和远端 PHY 的通路均正常，则可以进行网络通信验证：</p><ul class="- topic/ul ul" id="mac_debug_guide__ul_xcm_bqp_g1c" data-ofbid="mac_debug_guide__ul_xcm_bqp_g1c"><li class="- topic/li li" data-ofbid="d214778e157__20250121171643">
<ul class="- topic/ul ul" id="mac_debug_guide__ul_eln_bqp_g1c" data-ofbid="mac_debug_guide__ul_eln_bqp_g1c"><li class="- topic/li li" data-ofbid="d214778e160__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e162__20250121171643">通过主机 ping 板卡来验证是否可以通信(建议方式)</p>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__pre_fln_bqp_g1c" data-ofbid="mac_debug_guide__pre_fln_bqp_g1c">E:<strong class="+ topic/ph hi-d/b ph b">\c</strong>ode<strong class="+ topic/ph hi-d/b ph b">\n</strong>ewstlubanlite<strong class="+ topic/ph hi-d/b ph b">\l</strong>uban-lite&gt;ping <span class="hl-number">192.168</span>.<span class="hl-number">1.5</span>
Pinging <span class="hl-number">192.168</span>.<span class="hl-number">1.5</span> with <span class="hl-number">32</span> bytes of data:
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.5</span>: bytes=<span class="hl-number">32</span>time=<span class="hl-number">2</span>ms TTL=<span class="hl-number">255</span>
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.5</span>: bytes=<span class="hl-number">32</span>time=<span class="hl-number">1</span>ms TTL=<span class="hl-number">255</span>
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.5</span>: bytes=<span class="hl-number">32</span>time=<span class="hl-number">1</span>ms TTL=<span class="hl-number">255</span>
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.5</span>: bytes=<span class="hl-number">32</span> time&lt;<span class="hl-number">1</span>ms TTL=<span class="hl-number">255</span>
Ping statistics <strong class="+ topic/ph hi-d/b ph b"><strong class="hl-keyword">for</strong></strong><span class="hl-number">192.168</span>.<span class="hl-number">1.5</span>:
Packets: Sent=<span class="hl-number">4</span>, Received=<span class="hl-number">4</span>, Lost=<span class="hl-number">0</span>(<span class="hl-number">0</span>% loss),
Approximate round trip times<strong class="+ topic/ph hi-d/b ph b">in</strong> milli-seconds:
Minimum= <span class="hl-number">0</span>ms, Maximum= <span class="hl-number">2</span>ms, Average= <span class="hl-number">1</span>ms
</pre>
</li><li class="- topic/li li" data-ofbid="d214778e183__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e185__20250121171643">使能 ping 功能，通过板卡 ping 对端来验证是否可以通信</p>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__pre_hln_bqp_g1c" data-ofbid="mac_debug_guide__pre_hln_bqp_g1c">[I] aicphy_poll_thread()<span class="hl-number">635</span> Port <span class="hl-number">0</span> link UP! autoneg mode: speed <span class="hl-number">100</span>M, full duplex, flow control on.</pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_j23_qbs_5dc" data-ofbid="mac_debug_guide__codeblock_j23_qbs_5dc">ping <span class="hl-number">192.168</span>.<span class="hl-number">1.2</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="mac_debug_guide__codeblock_msp_qbs_5dc" data-ofbid="mac_debug_guide__codeblock_msp_qbs_5dc">Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>: time=<span class="hl-number">3</span>ms
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>: time=<span class="hl-number">3</span>ms
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>: time=<span class="hl-number">3</span>ms
Reply from <span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>: time=<span class="hl-number">3</span>ms
Ping statistics <strong class="+ topic/ph hi-d/b ph b"><strong class="hl-keyword">for</strong></strong><span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>:
Packets: Sent=<span class="hl-number">4</span>Received=<span class="hl-number">4L</span>ost=<span class="hl-number">0</span>(<span class="hl-number">0</span>% loss)</pre>
</li></ul>
</li></ul></li></ol>
<div class="- topic/sectiondiv sectiondiv">
<p class="- topic/p p" data-ofbid="d214778e211__20250121171643">如果通信不正常，在没有对驱动进行修改的情况下，一般不会是寄存器配置的问题，可能的原因有</p>
<ul class="- topic/ul ul" id="mac_debug_guide__ul_rz1_b1s_21c" data-ofbid="mac_debug_guide__ul_rz1_b1s_21c"><li class="- topic/li li" data-ofbid="d214778e215__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e217__20250121171643">clk 配置，检查 MAC 使用的内外部时钟是否正确</p>
</li><li class="- topic/li li" data-ofbid="d214778e220__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e222__20250121171643">clk 频率，测量 MII Data 的 TX/RX Clk 的频率，满足当前标准</p>
</li><li class="- topic/li li" data-ofbid="d214778e225__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e227__20250121171643">时延，如果使用的是千兆网络或百兆网络的内部时钟，确定时延的配置和硬件匹配</p>
</li><li class="- topic/li li" data-ofbid="d214778e230__20250121171643">
<p class="- topic/p p" data-ofbid="d214778e232__20250121171643">防火墙，确认路由器，对端设备不受防火墙的隔离保护</p>
</li></ul>
<p class="- topic/p p" data-ofbid="d214778e236__20250121171643">如果以上问题均排除，则请获取日志提交原厂分析</p>
</div>
</section><section class="- topic/section section" id="mac_debug_guide__section_u1z_lzr_21c" data-ofbid="mac_debug_guide__section_u1z_lzr_21c"><h2 class="- topic/title title sectiontitle">辅助工具</h2>
<div class="- topic/p p" data-ofbid="d214778e245__20250121171643">
<ul class="- topic/ul ul" id="mac_debug_guide__ul_f42_h1s_21c" data-ofbid="mac_debug_guide__ul_f42_h1s_21c"><li class="- topic/li li" data-ofbid="d214778e248__20250121171643"> 数据包分析<p class="- topic/p p" data-ofbid="d214778e250__20250121171643">一般使用 WiredShark
抓包工具进行数据包的分析，可以借助其分析发送和接收的数据内容，从而分析通信双方的行为</p><div class="- topic/p p" data-ofbid="d214778e252__20250121171643"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="mac_debug_guide__image_v1z_lzr_21c" src="../../../images/mac/wireshark.jpg" width="576" alt="wireshark1"/></div><br/></div></li><li class="- topic/li li" data-ofbid="d214778e256__20250121171643">网速测试<p class="- topic/p p" data-ofbid="d214778e258__20250121171643">压力测试的模型是搭建一个简单的 C/S 模型，Client 以最大资源利用发送数据，Server
端接收数据并进行相应计算</p><p class="- topic/p p" data-ofbid="d214778e260__20250121171643"><span class="- topic/ph ph">Luban-Lite</span> 自带可用于进行压力测试的工具，<span class="- topic/ph ph">iperf1.7.0</span>，以全速进行数据的收发，并进行丢包，错包，发送速率计算等辅助工作</p><p class="- topic/p p" data-ofbid="d214778e267__20250121171643">网速测试因为需要验证收到的信息的准确性，因此有比较大的计算任务，所以也受
CPU 和 DDR 频率的影响</p></li></ul>
</div>
<div class="- topic/p p" data-ofbid="d214778e271__20250121171643"><strong class="+ topic/ph hi-d/b ph b">iperf1.7.0</strong><ul class="- topic/ul ul" id="mac_debug_guide__ul_csb_nqp_g1c" data-ofbid="mac_debug_guide__ul_csb_nqp_g1c"><li class="- topic/li li" data-ofbid="d214778e275__20250121171643">server 命令<p class="- topic/p p" data-ofbid="d214778e277__20250121171643"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">iperf -s</span> 以 TCP
服务端的方式监听用户端的数据，可用于测试网络接收速度</p></li><li class="- topic/li li" data-ofbid="d214778e281__20250121171643">client 命令<p class="- topic/p p" data-ofbid="d214778e283__20250121171643"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">iperf -c 192.168.3.2 </span>， 以 TCP 用户端的方式和 server
192.168.3.2 进行测试，可用于测试网络发送速度</p></li></ul></div>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#mac_debug_guide__section_ok1_lpp_g1c" data-tocid="mac_debug_guide__section_ok1_lpp_g1c">调试开关</a></div></li><li class="section-item"><div class="section-title"><a href="#mac_debug_guide__section_rzy_lzr_21c" data-tocid="mac_debug_guide__section_rzy_lzr_21c">功能验证</a></div></li><li class="section-item"><div class="section-title"><a href="#mac_debug_guide__section_u1z_lzr_21c" data-tocid="mac_debug_guide__section_u1z_lzr_21c">辅助工具</a></div></li></ul></div>
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