bpf_prog_create_from_user (9) Linux Manual Page
bpf_prog_create_from_user – 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.