чт, 26 сент. 2019 г. в 05:22, Théo Mainguet <theo.mainguet.etu@xxxxxxxxxxxxx>: > > Hi, > > > Thank you very much for your xdp tutorial. Currently, I try to write a > simple xdp program to count the number of TCP and UDP packets I receive. > For that, I created a BPF_MAP_TYPE_ARRAY map in my kern.c file. I can > read into this map with the bpf_map_lookup_elem function but when I try > to update a value, I have an error message "libbpf: load bpf program > failed: Permission denied". To solve this issue, I've try to run it in > sudo, I've verify my kernel configuration (everything needed seems > enable) .... What's the error message when you are trying to load your program with sudo?
|