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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" 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_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">调试指南</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
Read time: 4 minute(s)
</div><div class="- topic/body body"><section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">调试开关</h2>
<div class="- topic/div div section" id="id__id3">
<strong class="+ topic/ph hi-d/b ph b">以太网调试开关</strong>
<div class="- topic/p p" data-ofbid="d150640e29__20250121171611">通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span> 命令打开 <span class="- topic/ph ph">Luban-Lite</span> 的配置选项如下路径 选中 <span class="- topic/ph ph">Luban-Lite</span>
的打印等级开关，可以将 <span class="- topic/ph ph">Luban-Lite</span> 的打印等级调到最高等级(debug)，然后
就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="id__codeblock_wqm_nyn_fdc" data-ofbid="id__codeblock_wqm_nyn_fdc">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></div>
<div class="- topic/div div section" id="id__lwip">
<strong class="+ topic/ph hi-d/b ph b"> LwIP 协议栈调试开关</strong>
<div class="- topic/p p" data-ofbid="d150640e51__20250121171611">通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span> 命令打开 <span class="- topic/ph ph">Luban-Lite</span> 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="id__codeblock_apz_nyn_fdc" data-ofbid="id__codeblock_apz_nyn_fdc">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></div>
<div class="- topic/div div section" id="id__id4">
<strong class="+ topic/ph hi-d/b ph b"> 特殊功能调试开关</strong>
<div class="- topic/p p" data-ofbid="d150640e70__20250121171611"><span class="- topic/ph ph">Luban-Lite</span> 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="id__codeblock_qgy_4yn_fdc" data-ofbid="id__codeblock_qgy_4yn_fdc">Drivers options ---&gt;
lwIP example ---&gt;
[ ] Enable MQTT protocol test command
[ ] Enable iperf test cmd
[ ] Enable ethernet loopback test command</pre>
</div><ul class="- topic/ul ul simple" id="id__ul_k1q_yc3_bdc" data-ofbid="id__ul_k1q_yc3_bdc"><li class="- topic/li li" data-ofbid="d150640e78__20250121171611">
<dl class="- topic/dl dl simple" id="id__dl_l1q_yc3_bdc" data-ofbid="id__dl_l1q_yc3_bdc"><dt class="- topic/dt dt dlterm" data-ofbid="d150640e82__20250121171611">Enable MQTT protocol test command</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d150640e86__20250121171611">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="d150640e93__20250121171611">
<dl class="- topic/dl dl simple" id="id__dl_m1q_yc3_bdc" data-ofbid="id__dl_m1q_yc3_bdc"><dt class="- topic/dt dt dlterm" data-ofbid="d150640e97__20250121171611">Enable iperf test command</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d150640e101__20250121171611">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="d150640e105__20250121171611">
<dl class="- topic/dl dl simple" id="id__dl_n1q_yc3_bdc" data-ofbid="id__dl_n1q_yc3_bdc"><dt class="- topic/dt dt dlterm" data-ofbid="d150640e109__20250121171611">Enable ethernet loopback test command</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d150640e113__20250121171611">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>
</section><section class="- topic/section section" id="id__id5" data-ofbid="id__id5"><h2 class="- topic/title title sectiontitle">功能验证</h2>
<p class="- topic/p p" data-ofbid="d150640e125__20250121171611">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 simple" id="id__ul_o1q_yc3_bdc" data-ofbid="id__ul_o1q_yc3_bdc"><li class="- topic/li li" data-ofbid="d150640e129__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e131__20250121171611">本机 MAC 和 PHY 的连接是否成功</p>
</li><li class="- topic/li li" data-ofbid="d150640e134__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e136__20250121171611">本机 PHY 和对端 PHY 的连接是否成功</p>
</li><li class="- topic/li li" data-ofbid="d150640e139__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e141__20250121171611">是否可以通信</p>
</li></ul>
<div class="- topic/div div section" id="id__mac-phy">
<strong class="+ topic/ph hi-d/b ph b">MAC 与 PHY 连接成功</strong>
<p class="- topic/p p" data-ofbid="d150640e150__20250121171611">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。<span class="- topic/ph ph">Luban-Lite</span> 读写 PHY 寄存器的接口为
“aicmac_read_phy_reg” 和 “aicmac_write_phy_reg”。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><p class="- topic/p p" data-ofbid="d150640e155__20250121171611">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</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_p1q_yc3_bdc" data-ofbid="id__codeblock_p1q_yc3_bdc">[E] aicmac port0 write phy <span class="hl-number">1</span> reg <span class="hl-number">0</span> timeout</pre><p class="- topic/p p" data-ofbid="d150640e159__20250121171611">如果
MAC 与 PHY 正常连接，则不会有异常信息打印</p></div>
<div class="- topic/div div section" id="id__phy-phy">
<strong class="+ topic/ph hi-d/b ph b">本机 PHY 和对端 PHY 的连接是否成功</strong>
<p class="- topic/p p" data-ofbid="d150640e167__20250121171611">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><p class="- topic/p p" data-ofbid="d150640e169__20250121171611">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。 <span class="- topic/ph ph">Luban-Lite</span> 中通过
“aicphy_update_link” 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
</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_q1q_yc3_bdc" data-ofbid="id__codeblock_q1q_yc3_bdc">[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>
<div class="- topic/div div section" id="id__id6">
<strong class="+ topic/ph hi-d/b ph b">网络可通信</strong>
<p class="- topic/p p" data-ofbid="d150640e183__20250121171611">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><div class="- topic/div div section" id="id__id7">
<strong class="+ topic/ph hi-d/b ph b">验证方法</strong>
<ul class="- topic/ul ul simple" id="id__ul_r1q_yc3_bdc" data-ofbid="id__ul_r1q_yc3_bdc"><li class="- topic/li li" data-ofbid="d150640e191__20250121171611">
<div class="- topic/p p" data-ofbid="d150640e193__20250121171611">通过主机 ping
板卡来验证是否可以通信(建议方式)<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_s1q_yc3_bdc" data-ofbid="id__codeblock_s1q_yc3_bdc">E:\code\newstlubanlite\<span class="- topic/ph ph">Luban-Lite</span>&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 for192.<span class="hl-number">168.1</span>.<span class="hl-number">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 timesin 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></div>
</li><li class="- topic/li li" data-ofbid="d150640e201__20250121171611">
<div class="- topic/p p" data-ofbid="d150640e203__20250121171611">使能 ping 功能，通过板卡 ping
对端来验证是否可以通信<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_u1q_yc3_bdc" data-ofbid="id__codeblock_u1q_yc3_bdc">aic/&gt; [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.
aic/&gt; ping <span class="hl-number">192.168</span>.<span class="hl-number">1.2</span>
aic/&gt; 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 for192.<span class="hl-number">168.1</span>.<span class="hl-number">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></div>
</li></ul></div><div class="- topic/div div section" id="id__id8">
<strong class="+ topic/ph hi-d/b ph b">问题分析</strong>
<p class="- topic/p p" data-ofbid="d150640e213__20250121171611">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 simple" id="id__ul_v1q_yc3_bdc" data-ofbid="id__ul_v1q_yc3_bdc"><li class="- topic/li li" data-ofbid="d150640e216__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e218__20250121171611">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="d150640e221__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e223__20250121171611">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="d150640e226__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e228__20250121171611">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="d150640e231__20250121171611">
<p class="- topic/p p" data-ofbid="d150640e233__20250121171611">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="d150640e236__20250121171611">如果以上问题均排除，则请获取日志提交原厂分析</p></div></div>
</section><section class="- topic/section section" id="id__id9" data-ofbid="id__id9"><h2 class="- topic/title title sectiontitle">辅助工具</h2>
<div class="- topic/div div section" id="id__id10">
<strong class="+ topic/ph hi-d/b ph b">数据包分析</strong>
<p class="- topic/p p" data-ofbid="d150640e250__20250121171611">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><figure class="- topic/fig fig fignone" data-ofbid="d150640e252__20250121171611"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_w1q_yc3_bdc" src="../../../images/mac/wireshark.jpg" width="576" alt="wireshark"/></div><br/></figure>
</div>
<div class="- topic/div div section" id="id__id11">
<strong class="+ topic/ph hi-d/b ph b">网速测试</strong>
<p class="- topic/p p" data-ofbid="d150640e263__20250121171611">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="d150640e265__20250121171611"><span class="- topic/ph ph">Luban-Lite</span>
自带一种可用于进行压力测试的工具：iperf1.7.0，其会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="d150640e269__20250121171611">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><div class="- topic/div div section" id="id__iperf1-7-0">
<strong class="+ topic/ph hi-d/b ph b">iperf1.7.0</strong>
<ul class="- topic/ul ul simple" id="id__ul_x1q_yc3_bdc" data-ofbid="id__ul_x1q_yc3_bdc"><li class="- topic/li li" data-ofbid="d150640e277__20250121171611">
<dl class="- topic/dl dl simple" id="id__dl_y1q_yc3_bdc" data-ofbid="id__dl_y1q_yc3_bdc"><dt class="- topic/dt dt dlterm" data-ofbid="d150640e281__20250121171611">server 命令</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d150640e285__20250121171611">iperf -s 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>
</dd></dl>
</li><li class="- topic/li li" data-ofbid="d150640e289__20250121171611">
<dl class="- topic/dl dl simple" id="id__dl_z1q_yc3_bdc" data-ofbid="id__dl_z1q_yc3_bdc"><dt class="- topic/dt dt dlterm" data-ofbid="d150640e293__20250121171611">client 命令</dt><dd class="- topic/dd dd">
<p class="- topic/p p" data-ofbid="d150640e297__20250121171611">iperf -c 192.168.3.2 ， 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>
</dd></dl>
</li></ul></div></div>
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