Of course you have to properly set m->pkt.vlan_macip.f.l2_len and m->pkt.vlan_macip.f.l3_len fields.
Regards, Vladimir 2013/11/22 Vladimir Medvedkin <medvedkinv at gmail.com> > Hi, > > If you need only ip checksum: > struct rte_mbuf *m; > m->ol_flags |= PKT_TX_IP_CKSUM; > > if you need to calculate tcp checksum add also PKT_TX_TCP_CKSUM flag to > ol_flags field and caclulate pseudoheader checksum (see get_ipv4_psd_sum() > in app/test-pmd/csumonly.c) > > struct tcp_hdr *th; > th->cksum = get_ipv4_psd_sum(iph); > > Regards, > Vladimir > > > > > 2013/11/22 William Rolinson <mydpdk at 126.com> > >> RT~ >> > >
