Any plans to support this in future in DPDK fragmentation code ? -----Original Message----- From: Ananyev, Konstantin [mailto:konstantin.anan...@intel.com] Sent: Wednesday, October 15, 2014 5:49 PM To: Dey, Souvik; Thomas Monjalon Cc: dev at dpdk.org; Patil, PraveenKumar Subject: RE: [dpdk-dev] FW: BUG in IP FRAGMENTATION
> -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Dey, Souvik > Sent: Wednesday, October 15, 2014 12:53 PM > To: Thomas Monjalon > Cc: dev at dpdk.org; Patil, PraveenKumar > Subject: Re: [dpdk-dev] FW: BUG in IP FRAGMENTATION > > We have not directly tried to use the 1.7 code with fragmentation > apis, but we did run through the 1.7 code and did not find any much > difference between 1.6 and 1.7 code. > I had wrongly mentioned out-of-order in my previous mail. Actually > out-of-order is working fine but we are facing issues with overlapping and > duplicate fragments. > In the 1.7 fragmentation code also in file ip_frag_internals.c , > function ip_frag_process we also see this comment > > /* > * errorneous packet: either exceeed max allowed number of fragments, > * or duplicate first/last fragment encountered. > */ > > Which indirectly suggest that the handling of duplicate first/last > fragment is taken as error. Same with overlapping fragment we could not find > any piece of code which will be doing it. Yes, that's right. If we encounter a duplicate and/or overlapping fragment we treat it as an error. > > -- > Regards, > Souvik > > -----Original Message----- > From: Thomas Monjalon [mailto:thomas.monjalon at 6wind.com] > Sent: Wednesday, October 15, 2014 4:54 PM > To: Dey, Souvik > Cc: dev at dpdk.org; Patil, PraveenKumar > Subject: Re: [dpdk-dev] FW: BUG in IP FRAGMENTATION > > ME TOO, I HAVE A BUG WITH CAPS LOCK ;) > > 2014-10-15 11:06, Dey, Souvik: > > In DPDK1.6 do we support overlapped fragments while doing reassembly. > > Also why we don't consider the first or last fragment to be out-of-order. > > Are this known limitations in DPDK or they are not working due to > > some bugs in the code ? > > Please test the latest version and explain how you see the bug. > > Thanks > -- > Thomas