Date: Thu, 20 Mar 2014 12:36:13 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: mstian88 <mstian88@163.com> Cc: "freebsd-net@freebsd.org" <net@freebsd.org> Subject: Re: some problem about netmap Message-ID: <CA%2BhQ2%2BhnBB7GzdzvAgwcSSHN%2BP9V5jxkT9rES7fJjwPr1UnmBw@mail.gmail.com> In-Reply-To: <59d70d80.2b3cc.144def24445.Coremail.mstian88@163.com> References: <59d70d80.2b3cc.144def24445.Coremail.mstian88@163.com>
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what os, device driver ? are you using emulated or native netmap mode ? Do you have tso and receive side coalescing enabled ? (you can disable them with ethtool). cheers luigi On Thu, Mar 20, 2014 at 11:03 AM, mstian88 <mstian88@163.com> wrote: > ./pkt-gen -i eth1 -f rx -X > the print info shows slot->len is 2048? why? > the packets was sended with tcpreplay. > when Multiple packets len is 1514, pkt-gen receive avial >1, the > slot->len is 2048 > > > like this: > > [2213]:slotlen[1514],curidx[189],bufidx[24767],avail[3],iwhile[475],ifor[16],buf_ofs[5603328],rings[32] > > [2214]:slotlen[2048],curidx[190],bufidx[24768],avail[2],iwhile[475],ifor[16],buf_ofs[5603328],rings[32] > > [2215]:slotlen[926],curidx[191],bufidx[24769],avail[1],iwhile[475],ifor[16],buf_ofs[5603328],rings[32] > > [2216]:slotlen[1514],curidx[192],bufidx[24770],avail[1],iwhile[476],ifor[16],buf_ofs[5603328],rings[32] > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > ----
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