bpf_prog_create_from_user(9) create an unattached filter from user buffer

SYNOPSIS

int bpf_prog_create_from_user(struct bpf_prog ** pfp, struct sock_fprog * fprog, bpf_aux_classic_check_t trans, bool save_orig);

ARGUMENTS

pfp

the unattached filter that is created

fprog

the filter program

trans

post-classic verifier transformation handler

save_orig

save classic BPF program

DESCRIPTION

This function effectively does the same as bpf_prog_create, only that it builds up its insns buffer from user space provided buffer. It also allows for passing a bpf_aux_classic_check_t handler.

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