Kindly tell us more about the setup and which dpdk you are using. and what is the packet life at sender and receiver.
On Mon, May 17, 2021 at 1:01 PM Jagan P <jagan...@altran.com> wrote: > Hi, > We were trying to forward packets with vlan id as 0. But the packet is > getting altered when we do so. > The IP flag and the destination port fields are getting changed. We doubt > if this is happening in DPDK because till the rte_eth_tx_burst API, the > packet is proper. > But the packet captured at the destination is altered. > Could you please let us know if there is support in DPDK for forwarding > packet with vlan id 0 or if we are missing something. > > Packet at rte_eth_tx_burst: > dump mbuf at 0x1706dad00, iova=0x1706dad80, buf_len=2304 > pkt_len=252, ol_flags=0xf0000000000181, nb_segs=1, port=0, vlan_tci=0, > ptype=0x211 > segment at 0x1706dad00, data=0x1706dae04, len=252, off=132, refcnt=1 > Dump data at [0x1706dae04], len=200 > 00000000: 00 10 94 00 00 05 00 01 02 03 04 05 81 00 00 00 | > ................ > 00000010: 08 00 45 00 00 EA 00 02 00 00 3F 11 00 00 02 02 | > ..E.......?..... > 00000020: 02 02 05 05 05 02 62 A4 62 A3 00 D6 0E F2 00 00 | > ......b.b....... > 00000030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 00000040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 00000050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 00000070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 00000080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 00000090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 000000A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 000000B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | > ................ > 000000C0: 00 00 00 00 00 00 00 00 > > Packet captured at spirent(destination): > 00 10 94 00 00 05 00 01 02 03 04 05 81 00 00 00 > 08 00 45 00 00 EA 00 02 6e fe 3F 11 00 00 02 02 > 02 02 05 05 05 02 62 A4 f5 f8 00 D6 0E F2 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > > Thanks, > Jagan P > > ===================================================== > Please refer to https://northamerica.altran.com/email-disclaimer > for important disclosures regarding this electronic communication. > ===================================================== >