> Lorenzo Bianconi <lorenzo@xxxxxxxxxx> writes: > > > Introduce BPF_F_XDP_MB and the related field in bpf_prog_aux in order to > > notify the driver the loaded program support xdp multi-buffer. > > We should also add some restrictions in the BPF core. In particular, > tail call, cpumap and devmap maps should not be able to mix multi-buf > and non-multibuf programs. ack. How can we detect if a cpumap or a devmap is running in XDP multi-buff mode in order to reject loading the legacy XDP program? Should we just discard the XDP multi-buff in this case? Lorenzo > > -Toke >
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