Yes, it seems the problem is that you are capturing the packet before it reaches the adapter, but the packet is incomplete as offload is enabled, thus the corrupted data. Disabling the offload is the solution.
Alfredo > On 07 Jan 2016, at 18:17, Josiah W <[email protected]> wrote: > > Hello, > > That's correct. After further review on my part, it looks to be due to tx > vlan offloading being enabled. After disabling the vlan offload functionality > it looks to have solved that issue. > Is it possible to use any of these hardware offloads with PF_RING enabled? > > Thanks, > Josiah > > > ---- On Thu, 07 Jan 2016 06:39:01 -0500 Alfredo Cardigliano > <[email protected]>wrote ---- > > Hi Josiah > just to make sure, in essence you are opening a “stack:” socket in rx mode > for reading outgoing packets from the linux stack right? > > Alfredo > >> On 07 Jan 2016, at 06:24, Josiah W <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hello, >> >> When reading from a device in stack rx_only mode, it seems if you have a >> vlan set up in linux (eg eth1.1000) that the packets getting tagged for that >> vlan will show up as corrupt when read from the underlying device in pf_ring. >> I tried upgrading to the latest pf_ring module and driver from the git but >> it seems the issue still persists. >> >> Thanks, >> Josiah >> >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] <mailto:[email protected]> >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> <http://listgateway.unipi.it/mailman/listinfo/ntop-misc> > > > _______________________________________________ > Ntop-misc mailing list > [email protected] <mailto:[email protected]> > http://listgateway.unipi.it/mailman/listinfo/ntop-misc > <http://listgateway.unipi.it/mailman/listinfo/ntop-misc> > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc
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