Hello! Any news about checksumm offload for ZC?
On Thu, Apr 2, 2015 at 4:56 PM, Pavel Odintsov <[email protected]> wrote: > Thank you so much! I interested in ZC version because it could work on wire > speed and offload features are explicit in this case. > > I will test offload feature asap ;) > > > On Thursday, April 2, 2015, Alfredo Cardigliano <[email protected]> > wrote: >> >> Hi Pavel >> pf_ring with standard drivers provides information about checksum offload >> when enabled, >> please take a look at pfring_pkthdr.extended_hdr.flags >> >> #define PKT_FLAGS_CHECKSUM_OFFLOAD 1 << 0 /* IP/TCP checksum offload >> enabled */ >> #define PKT_FLAGS_CHECKSUM_OK 1 << 1 /* Valid checksum (with IP/TCP >> checksum offload enabled) */ >> >> We will add support for this also to ZC ASAP. >> >> Alfredo >> >> On 02 Apr 2015, at 08:28, Pavel Odintsov <[email protected]> wrote: >> >> Hello, folks! >> >> I'm working on user space tcp/ip implementation now. I have modern network >> cards with many types of hardware offload. I interested in tcp and ip >> checksumm validation/generation. But I could not find any flags in pfring >> parsed packet header about succsess or fail in checksumm validation. But >> checksumm offliad is definitely working and I coukd see counter values in >> network card stats. >> >> Nic offload features provide huge performance benefits and will be fine if >> you provide code and examples fir they. >> >> Thank you for your attention! >> >> >> -- >> Sincerely yours, Pavel Odintsov >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc >> >> > > > -- > Sincerely yours, Pavel Odintsov -- Sincerely yours, Pavel Odintsov _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
