bpf_jitter
jfunc = bpf_jitter(filter, flen);
SYSCTL_NODE(_net, OID_AUTO, bpf_jitter, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
bpf_jit_filter *bpf_jitter(struct bpf_insn *fp, int nins);
jit_prog = bpf_jitter(hp->bpf_prog, hp->bpf_prog_len);
if ((filter = bpf_jitter(pc, nins)) == NULL) {