<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> </head> <body> <div class="moz-cite-prefix">在 2023/2/18 4:43, Ferruh Yigit 写道: </div> <blockquote type="cite" cite="mid:eb9a8e27-4eaf-ac7a-7d28-8b916122f6f0@amd.com"> <pre class="moz-quote-pre" wrap="">On 1/3/2023 2:30 AM, <a class="moz-txt-link-abbreviated moz-txt-link-freetext" href="mailto:wushaohua@chinatelecom.cn">wushaohua@chinatelecom.cn</a> wrote: </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">From: Shaohua Wu <a class="moz-txt-link-rfc2396E" href="mailto:wushaohua@chinatelecom.cn"><wushaohua@chinatelecom.cn></a> Add the vxlan packet sending module to actively send vxlan packets using a common network adapter. The default vni is 1000. example: ./dpdk-testpmd -l 32-47 -n 16 --file-prefix pg0 -- -i --rxq=16 --txq=16 --rxd=1024 --txd=1024 --txpkts=64 --burst=64 --mbuf-size=4096 --nb-cores=15 --underlay_tx_only --underlay-eth-peer=0,f0:00:00:00:00:66 --eth-peer=0,08:c0:eb:3e:87:af --utx-ip=11.0.0.1,11.0.0.2 --tx-ip=30.0.0.1,30.0.0.2 --forward-mode=tuntxonly --txonly-multi-flow Signed-off-by: Shaohua Wu <a class="moz-txt-link-rfc2396E" href="mailto:wushaohua@chinatelecom.cn"><wushaohua@chinatelecom.cn></a> </pre> </blockquote> <pre class="moz-quote-pre" wrap="">Hi Shaohua, This is a good feature but I am not sure if this is in the scope of testpmd application. Testpmd has basic packet generation capabilities, and it is useful for quick/dirty testing, but for more advanced packet generation perhaps other tools like pktgen [1] can be used, what do you think? What is the justification to have this feature in testpmd, and what is your usecase? [1] <a class="moz-txt-link-freetext" href="https://git.dpdk.org/apps/pktgen-dpdk/">https://git.dpdk.org/apps/pktgen-dpdk/</a></pre> </blockquote> Hi Ferruh， Thank you for your review.From what I know now pktgen doesn't seem to support the construction of vxlan packets.<span style="color: rgb(42, 43, 46); font-family: "PingFang SC", "Segoe UI", Arial, "Microsoft YaHei", 微软雅黑, 宋体, "Malgun Gothic", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-line; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"><span style="color: rgb(42, 43, 46); font-family: "PingFang SC", "Segoe UI", Arial, "Microsoft YaHei", 微软雅黑, 宋体, "Malgun Gothic", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-line; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> <p data-group="1-1" class="src grammarSection" style="box-sizing: border-box; margin: 0px 0px 2px; padding: 0px; line-height: 21px; display: inline; font-style: normal; font-weight: 400; font-size: var(--main-font-size);">In a real test scenario, testpmd only sends bare packets and cannot cover test scenarios, such as ovs decap performance. <p data-group="1-1" class="src grammarSection" style="box-sizing: border-box; margin: 0px 0px 2px; padding: 0px; line-height: 21px; display: inline; font-style: normal; font-weight: 400; font-size: var(--main-font-size);">Currently, testpmd of this patch is used, and the packet sending performance is 22+Mpps with a 25G network adapter.<span style="color: rgb(42, 43, 46); font-family: "PingFang SC", "Segoe UI", Arial, "Microsoft YaHei", 微软雅黑, 宋体, "Malgun Gothic", sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: pre-line; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;"> <p data-group="1-1" class="src grammarSection" style="box-sizing: border-box; margin: 0px 0px 2px; padding: 0px; line-height: 21px; display: inline; font-style: normal; font-weight: 400; font-size: var(--main-font-size);">This is necessary for testing DPU devices or virtualization scenarios. <p data-group="1-1" class="src grammarSection" style="box-sizing: border-box; margin: 0px 0px 2px; padding: 0px; line-height: 21px; display: inline; font-style: normal; font-weight: 400; font-size: var(--main-font-size);"> <p data-group="1-1" class="src grammarSection" style="box-sizing: border-box; margin: 0px 0px 2px; padding: 0px; line-height: 21px; display: inline; font-style: normal; font-weight: 400; font-size: var(--main-font-size);"> <p data-group="1-1" class="src grammarSection" style="box-sizing: border-box; margin: 0px 0px 2px; padding: 0px; line-height: 21px; display: inline; font-style: normal; font-weight: 400; font-size: var(--main-font-size);"><span style="color: rgb(0, 0, 0); font-family: "Microsoft YaHei UI", Tahoma; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-style: initial; text-decoration-color: initial; display: inline !important; float: none;">Best regards.Shaohua <blockquote type="cite" cite="mid:eb9a8e27-4eaf-ac7a-7d28-8b916122f6f0@amd.com"> </blockquote> </body> </html>