Hi again, For what it's worth, I added a hack in src/plugins/dpdk/device/init.c and set xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM , and now I have:
vpp# sh hardware-interfaces Name Idx Link Hardware TenGigabitEthernet5/0/0 1 down TenGigabitEthernet5/0/0 Link speed: unknown Ethernet address a0:36:9f:be:0c:b4 Intel 82599 carrier up full duplex mtu 9206 flags: pmd maybe-multiseg tx-offload intel-phdr-cksum rx-ip4-cksum Devargs: rx: queues 1 (max 128), desc 4000 (min 32 max 4096 align 8) tx: queues 6 (max 64), desc 4000 (min 32 max 4096 align 8) pci: device 8086:154d subsystem 8086:7b11 address 0000:05:00.00 numa 0 max rx packet len: 15872 promiscuous: unicast off all-multicast off vlan offload: strip off filter off qinq off rx offload avail: vlan-strip ipv4-cksum udp-cksum tcp-cksum tcp-lro macsec-strip vlan-filter vlan-extend jumbo-frame scatter security keep-crc rx offload active: ipv4-cksum *udp-cksum* jumbo-frame scatter tx offload avail: vlan-insert ipv4-cksum udp-cksum tcp-cksum sctp-cksum tcp-tso macsec-insert multi-segs security tx offload active: udp-cksum tcp-cksum tcp-tso multi-segs rss avail: ipv4-tcp ipv4-udp ipv4 ipv6-tcp-ex ipv6-udp-ex ipv6-tcp ipv6-udp ipv6-ex ipv6 rss active: none tx burst function: ixgbe_xmit_pkts rx burst function: ixgbe_recv_pkts The bad news is that after making this change, vpp_echo crashes, have not had a chance to debug this yet but wanted to point out the potentially missing RX offload setting in case it is useful. Thanks, Dom
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