Hello! Yep, it enabled :(
ethtool -k eth3 Features for eth3: rx-checksumming: on tx-checksumming: on tx-checksum-ipv4: on tx-checksum-unneeded: off [fixed] tx-checksum-ip-generic: off [fixed] tx-checksum-ipv6: on tx-checksum-fcoe-crc: off [fixed] tx-checksum-sctp: on scatter-gather: on tx-scatter-gather: on tx-scatter-gather-fraglist: off [fixed] tcp-segmentation-offload: on tx-tcp-segmentation: on tx-tcp-ecn-segmentation: off [fixed] tx-tcp6-segmentation: on udp-fragmentation-offload: off [fixed] generic-segmentation-offload: on generic-receive-offload: on large-receive-offload: on rx-vlan-offload: on tx-vlan-offload: on ntuple-filters: off receive-hashing: on highdma: on [fixed] rx-vlan-filter: on [fixed] vlan-challenged: off [fixed] tx-lockless: off [fixed] netns-local: off [fixed] tx-gso-robust: off [fixed] tx-fcoe-segmentation: off [fixed] fcoe-mtu: off [fixed] tx-nocache-copy: on loopback: off [fixed] I disabled it completely with commands: ethtool -K eth0 gro off gso off tso off On Wed, Oct 22, 2014 at 1:35 AM, Alfredo Cardigliano <[email protected]> wrote: > Hi Pavel > do you have tso/gso enabled perhaps? (please check with ethtool -k ethX) > > Alfredo > >> On 21 Oct 2014, at 11:19, Pavel Odintsov <[email protected]> wrote: >> >> Hello! >> >> I use PF_RING packets parser and got very strange packets size in >> network with stadnard MTU (1500): >> 2014-10-16 03:32:50.483384 188.120.233.239:39393 > 5.45.118.135:80 >> protocol: tcp size: 66 bytes >> 2014-10-16 03:32:50.483385 188.120.233.239:39393 > 5.45.118.135:80 >> protocol: tcp size: 66 bytes >> 2014-10-16 03:32:50.483386 188.120.233.239:39393 > 5.45.118.135:80 >> protocol: tcp size: 66 bytes >> 2014-10-16 03:32:50.483415 5.45.118.135:80 > 188.120.233.239:39393 >> protocol: tcp size: 14550 bytes >> 2014-10-16 03:32:50.483430 188.120.233.239:39393 > 5.45.118.135:80 >> protocol: tcp size: 66 bytes >> 2014-10-16 03:32:50.483435 5.45.118.135:80 > 188.120.233.239:39391 >> protocol: tcp size: 1518 bytes >> 2014-10-16 03:32:50.483457 5.45.118.135:80 > 188.120.233.239:39391 >> protocol: tcp size: 5862 bytes >> 2014-10-16 03:32:50.483482 5.45.118.135:80 > 188.120.233.239:39391 >> protocol: tcp size: 1518 bytes >> 2014-10-16 03:32:50.483515 5.45.118.135:80 > 188.120.233.239:39392 >> protocol: tcp size: 1518 bytes >> 2014-10-16 03:32:50.483518 5.45.118.135:80 > 188.120.233.239:39391 >> protocol: tcp size: 1518 bytes >> 2014-10-16 03:32:50.483526 188.120.233.239:39392 > 5.45.118.135:80 >> protocol: tcp size: 66 bytes >> >> Full list: https://gist.github.com/pavel-odintsov/6aac022b8f6eebd284ff >> >> I got h->len from pfring_pkthdr *h struct with no processing. How it >> possible? >> >> -- >> Sincerely yours, Pavel Odintsov >> _______________________________________________ >> Ntop-misc mailing list >> [email protected] >> http://listgateway.unipi.it/mailman/listinfo/ntop-misc > > _______________________________________________ > Ntop-misc mailing list > [email protected] > http://listgateway.unipi.it/mailman/listinfo/ntop-misc -- Sincerely yours, Pavel Odintsov _______________________________________________ Ntop-misc mailing list [email protected] http://listgateway.unipi.it/mailman/listinfo/ntop-misc
