Difference between revisions of "Yocto kernel上支持IGMP协议"

<div style="white-space: pre-wrap;  line-height: 1.875;  text-align: left;  font-size: 14px"><span style="font-size:16px;  font-weight:bold">1.在内核中添加支持</span></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 28px;  text-align: left;  font-size: 14px">make menuconfig</div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 28px;  text-align: left;  font-size: 14px">Networking sopport-----></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 56px;  text-align: left;  font-size: 14px">Networking options -----></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 84px;  text-align: left;  font-size: 14px">[*] IP&nbsp;: multicasting</div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 112px;  text-align: left;  font-size: 14px">[*] IP&nbsp;: multicast routing</div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 140px;  text-align: left;  font-size: 14px">[*] IP&nbsp;: multicasting</div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 168px;  text-align: left;  font-size: 14px">[*] IP&nbsp;: PIM-SM version 1 support</div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 168px;  text-align: left;  font-size: 14px">[*] IP&nbsp;: PIM-SM version 2 support<br/></div><div>[[File:111111.png|RTENOTITLE]]<br/></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 28px;  text-align: left;  font-size: 14px">Networking sopport-----></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 56px;  text-align: left;  font-size: 14px">Networking options -----></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 84px;  text-align: left;  font-size: 14px">[*]802.1d Ethernet Bridging</div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 112px;  text-align: left;  font-size: 14px">[*]IGMP/MLD Bridging</div><div>[[File:222222.png|RTENOTITLE]]<br/></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-align: left;  font-size: 14px"><span style="font-size:16px;  font-weight:bold">2.切换IGMP的版本号</span></div><div style="white-space: pre-wrap;  line-height: 1.875;  text-indent: 28px;  text-align: left;  font-size: 14px">[1]查看当前内核IGMP的版本号</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">#cat&nbsp;/proc/sys/net/ipv4/conf/eth0/force_igmp_version</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">#0</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">0 表示最高有效版本号，目前默认最高版本是V3。</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 28px;  font-size: 14px">[2]更改版本号</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">#echo&nbsp;"2"&nbsp;>&nbsp;/proc/sys/net/ipv4/conf/eth0/force_igmp_version</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">#cat&nbsp;/proc/sys/net/ipv4/conf/eth0/force_igmp_version</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">#2</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  font-size: 14px"><span style="font-size:16px;  font-weight:bold">3.使用QTDEMO发包测试</span></div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">[1]测试demo链接：[http://pan.baidu.com/s/1i4Y4aVj http://pan.baidu.com/s/1i4Y4aVj] 密码：bzq2</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">[2]配置本地ip进行发包</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  font-size: 14px"><span style="font-size:16px;  font-weight:bold">4.使用Wireshark进行抓包测试</span></div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">[1]安装工具[http://sw.bos.baidu.com/sw-search-sp/software/22b4fb6405f49/Wireshark_win32_2.2.1.0.exe 链接]<br/></div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">[2]将board PC 通过交换机连成局域网。</div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">[3]开始抓包<br/></div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px">[4]抓到如下包时说明IGMP功能以实现。<br/></div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  text-indent: 56px;  font-size: 14px"><br/></div><div>[[File:3333333.png|RTENOTITLE]]<br/></div><div style="white-space: pre-wrap;  text-align: left;  line-height: 1.5;  font-size: 14px"><br/></div><div 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