Hello Keith, Thanks a lot for your help. I'm using pktgen-3.7.1. So I'll pull your changes there and check it.
Regards, N. Sarkar On Sat, Nov 30, 2019 at 5:31 AM Wiles, Keith <keith.wi...@intel.com> wrote: > > > > On Nov 19, 2019, at 11:42 AM, Roberts, Lee A. <lee.robe...@hpe.com> > wrote: > > > > Nirmal, > > > > Here are the changes that I've been using to allow jumbo frames with > dpdk-19.08 and > > pktgen-19.10.0: > > > > diff -r default/dpdk-19.08/lib/librte_mbuf/rte_mbuf.h > jumbo/dpdk-19.08/lib/librte_mbuf/rte_mbuf.h > > 462c462 > > < #define RTE_MBUF_DEFAULT_DATAROOM 2048 > > --- > >> #define RTE_MBUF_DEFAULT_DATAROOM 9600 > > diff -r default/dpdk-19.08/lib/librte_net/rte_ether.h > jumbo/dpdk-19.08/lib/librte_net/rte_ether.h > > 33c33 > > < #define RTE_ETHER_MAX_LEN 1518 /**< Maximum frame len, including > CRC. */ > > --- > >> #define RTE_ETHER_MAX_LEN 9600 /**< Maximum frame len, including > CRC. */ > > diff -r default/pktgen-19.10.0/app/pktgen.c > jumbo/pktgen-19.10.0/app/pktgen.c > > 749c749 > > < else if ( (plen >= 1024) && (plen <= PG_ETHER_MAX_LEN)) > > --- > >> else if ( (plen >= 1024) && (plen <= 1518)) > > 753c753 > > < else if (plen > PG_ETHER_MAX_LEN) > > --- > >> else if (plen > 1518) > > diff -r default/pktgen-19.10.0/lib/common/pg_inet.h > jumbo/pktgen-19.10.0/lib/common/pg_inet.h > > 379,380c379,380 > > < #define ETH_MTU 1500 /* Max MTU for Ethernet */ > > < #define ETH_MAX_PKT 1518 /* Max Ethernet frame size > */ > > --- > >> #define ETH_MTU 9600 /* Max MTU for Ethernet */ > >> #define ETH_MAX_PKT 9600 /* Max Ethernet frame size > */ > > > > - Lee Roberts > > I have a updated pktgen with jumbo support. You need to pass the -j option > to get jumbo frame support in pktgen. I have not done a lot of testing on > this version. If you have time please pull the pktgen repo and switch over > to the ‘dev’ branch and see if this work for you. I did not use your > changes here and did it my way :-) > > I did not change DPDK, as it seemed like it did not matter if > RTE_MBUF_DEFAULT_DATAROOM changed. I am sure someplace may care if they > used that define. > > > > > > > -----Original Message----- > > From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Nirmal Sarkar > > Sent: Monday, November 18, 2019 10:26 AM > > To: dev@dpdk.org > > Subject: [dpdk-dev] Jumbo Frame in pktgen & dpdk-pktgen > > > > Hello, > > > > I'm trying to explore pktgen and dpdk-pktgen with Jumbo frame. > > > > I'm using ubuntu-18.04 system where pktgen is a kernel module and I > don't have any provision to set it for Jumbo frame. > > Can you please suggest how to configure Jumbo frame in pktgen ? > > > > In dpdk source code, I've modified RTE_MBUF_DEFAULT_DATAROOM [ > *lib/librte_mbuf/rte_mbuf.h*] value with 9K and built. > > During testing, I could not send packet size more than 1500 byte. > > What is the suggestion to overcome this problem ? > > > > Regards, > > N. Sarkar > > Regards, > Keith > >
