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Comment 2Toke Høiland-Jørgensen
2020-09-18 10:29:00 UTC
I'm not quite sure if this is due to a fundamental limitation in the offload support, but in that case we can at least error out with a nicer message...
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (xdp-tools bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHEA-2021:1925
Created attachment 1715302 [details] nfp hw mode debug infor Description of problem: it doesn't work when using xdp-filter -m hw on nfp card, error: libxdp: Error attaching XDP program to ifindex 10: Invalid argument Couldn't attach XDP program on iface 'ens3np0': Invalid argument(-22) Reproduce log: [root@netqe30 xdp_tools]# ethtool -i ens3np0 driver: nfp version: 4.18.0-234.el8.x86_64 SMP mod_u firmware-version: 0.0.3.5 0.22 bpf-2.0.6.124 ebpf expansion-rom-version: bus-info: 0000:5e:00.0 supports-statistics: yes supports-test: no supports-eeprom-access: no supports-register-dump: yes supports-priv-flags: no [root@netqe30 xdp_tools]# xdp-filter load -m hw ens3np0 libxdp: Error attaching XDP program to ifindex 10: Invalid argument Couldn't attach XDP program on iface 'ens3np0': Invalid argument(-22) [root@netqe30 xdp_tools]# xdp-loader load -m hw ens3np0 xdp_prog_kern.o libxdp: Error attaching XDP program to ifindex 10: Invalid argument Couldn't attach XDP program on iface 'ens3np0': Invalid argument(-22) [root@netqe30 xdp_tools]# rpm -qa | grep xdp-tools xdp-tools-1.0.1-1.el8.x86_64 [root@netqe30 xdp_tools]# uname -r 4.18.0-234.el8.x86_64 [root@netqe30 xdp_tools]# -vv logging is also attached. Actual results: xdp-filter load failed Expected results: xdp-filter successfully load in hw mode.