* [dpdk-dev] How to change the mbuf size @ 2014-07-22 9:27 GongJinrong 2014-07-22 14:41 ` Zhang, Helin 0 siblings, 1 reply; 3+ messages in thread From: GongJinrong @ 2014-07-22 9:27 UTC (permalink / raw) To: dev Hi, guys I am using pmd driver to capture packets, the MTU is 8000, so I want to change the dpdk memory block size to 8000, how can I do that? Best Regards John Gong ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] How to change the mbuf size 2014-07-22 9:27 [dpdk-dev] How to change the mbuf size GongJinrong @ 2014-07-22 14:41 ` Zhang, Helin 2014-07-23 10:04 ` GongJinrong 0 siblings, 1 reply; 3+ messages in thread From: Zhang, Helin @ 2014-07-22 14:41 UTC (permalink / raw) To: GongJinrong, dev Hi John No, you do not need to change the mbuf size, you just need to configure the maximum packet length and jumbo frame correctly. Of cause, if you want to put the whole packet into a mbuf, you can define size of mbuf you wanted when calling rte_mempool_create() during initialization. Regards, Helin > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of GongJinrong > Sent: Tuesday, July 22, 2014 5:27 PM > To: dev@dpdk.org > Subject: [dpdk-dev] How to change the mbuf size > > Hi, guys > > I am using pmd driver to capture packets, the MTU is 8000, so I want to > change the dpdk memory block size to 8000, how can I do that? > > Best Regards > John Gong ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [dpdk-dev] How to change the mbuf size 2014-07-22 14:41 ` Zhang, Helin @ 2014-07-23 10:04 ` GongJinrong 0 siblings, 0 replies; 3+ messages in thread From: GongJinrong @ 2014-07-23 10:04 UTC (permalink / raw) To: 'Zhang, Helin', dev Thanks, Helin, I got it. -----Original Message----- From: Zhang, Helin [mailto:helin.zhang@intel.com] Sent: Tuesday, July 22, 2014 10:42 PM To: GongJinrong; dev@dpdk.org Subject: RE: [dpdk-dev] How to change the mbuf size Hi John No, you do not need to change the mbuf size, you just need to configure the maximum packet length and jumbo frame correctly. Of cause, if you want to put the whole packet into a mbuf, you can define size of mbuf you wanted when calling rte_mempool_create() during initialization. Regards, Helin > -----Original Message----- > From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of GongJinrong > Sent: Tuesday, July 22, 2014 5:27 PM > To: dev@dpdk.org > Subject: [dpdk-dev] How to change the mbuf size > > Hi, guys > > I am using pmd driver to capture packets, the MTU is 8000, so I > want to change the dpdk memory block size to 8000, how can I do that? > > Best Regards > John Gong ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2014-07-23 10:19 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2014-07-22 9:27 [dpdk-dev] How to change the mbuf size GongJinrong 2014-07-22 14:41 ` Zhang, Helin 2014-07-23 10:04 ` GongJinrong
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for NNTP newsgroup(s).