It is an error returned by the DPDK driver, you'll need to check the DPDK driver code to be sure. As an alternative, did you try to use VPP native AVF driver? https://s3-docs.fd.io/vpp/22.06/developer/devicedrivers/avf.html
Best ben > -----Original Message----- > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of > jnhe...@gmail.com > Sent: Monday, May 2, 2022 19:21 > To: vpp-dev@lists.fd.io > Subject: [vpp-dev] Help requested with VPP not working with 25G intel > adapter #vpp-dev > > Hello, > > Trying to get an Intel adapter to work with VPP and cannot figure out the > error. Any help is welcome and appreciated! > > Adapter: Intel(R) Ethernet Network Adapter E810-XXVDA2, driver: ice > (version: 5.13.0-40-generic) > VPP: v22.02 > Linux: kernel 5.13.0-40-generic, Ubuntu focal 20.04.3 LTS > > When I use the adapter outside of VPP, it works just fine. But when > interface is specified in /etc/vpp/startup.conf and started with vppctl, I > see this in vpp (error on last line): > Is the error -1 as in EIO? > > ________________________________ > > vpp# show hardware-interfaces TwentyFiveGigabitEthernet37/0/0 > > Name Idx Link Hardware > > TwentyFiveGigabitEthernet37/0/0 1 up > TwentyFiveGigabitEthernet37/0/0 > > Link speed: 25 Gbps > > RX Queues: > > queue thread mode > > 0 main (0) polling > > Ethernet address b4:96:91:a5:d0:0a > > Intel E810 Family > > carrier up full duplex max-frame-size 9018 > > flags: maybe-multiseg tx-offload intel-phdr-cksum rx-ip4-cksum > > Devargs: > > rx: queues 1 (max 64), desc 1024 (min 64 max 4096 align 32) > > tx: queues 1 (max 64), desc 1024 (min 64 max 4096 align 32) > > pci: device 8086:159b subsystem 8086:0003 address 0000:37:00.00 numa 0 > > max rx packet len: 9728 > > 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 qinq- > strip > > outer-ipv4-cksum vlan-filter vlan-extend scatter > timestamp > > keep-crc rss-hash > > rx offload active: ipv4-cksum scatter > > tx offload avail: vlan-insert ipv4-cksum udp-cksum tcp-cksum sctp- > cksum > > tcp-tso outer-ipv4-cksum qinq-insert multi-segs > mbuf-fast-free > > outer-udp-cksum > > tx offload active: ipv4-cksum udp-cksum tcp-cksum multi-segs > > rss avail: ipv4-frag ipv4-tcp ipv4-udp ipv4-sctp ipv4-other > ipv4 > > ipv6-frag ipv6-tcp ipv6-udp ipv6-sctp ipv6-other > ipv6 > > l2-payload > > rss active: none > > tx burst mode: Scalar > > tx burst function: (not available) > > rx burst mode: Scalar > > rx burst function: (not available) > > > > rx bytes ok 2613819 > > rx missed 18468 Errors: > > rte_eth_dev_start[port:0, errno:-5]: Unknown error -5 > > rte_eth_dev_start[port:0, errno:-5]: Unknown error -5 > > > >
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