Re: [PATCH bpf 2/3] bpf: devmap adjust uapi for attach bpf program

2020-06-08 Thread Toke Høiland-Jørgensen
Jesper Dangaard Brouer writes: > The recent commit fbee97feed9b ("bpf: Add support to attach bpf program to a > devmap entry"), introduced ability to attach (and run) a separate XDP > bpf_prog for each devmap entry. A bpf_prog is added via a file-descriptor. > As zero were a valid FD, not using t

[PATCH bpf 2/3] bpf: devmap adjust uapi for attach bpf program

2020-06-08 Thread Jesper Dangaard Brouer
The recent commit fbee97feed9b ("bpf: Add support to attach bpf program to a devmap entry"), introduced ability to attach (and run) a separate XDP bpf_prog for each devmap entry. A bpf_prog is added via a file-descriptor. As zero were a valid FD, not using the feature requires using value minus-1.