From 1549921da3e8efb6c95e39444c67ed1729a0ccaf Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Wed, 10 Jan 2018 12:25:59 +0000 Subject: nfp: bpf: move jump resolution to jit.c Jump target resolution should be in jit.c not offload.c. No functional changes. Signed-off-by: Jakub Kicinski Reviewed-by: Jiong Wang Signed-off-by: Daniel Borkmann --- drivers/net/ethernet/netronome/nfp/bpf/jit.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) (limited to 'drivers/net/ethernet/netronome/nfp/bpf/jit.c') diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index 0de59f04da84..9caff3a7505a 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/drivers/net/ethernet/netronome/nfp/bpf/jit.c @@ -2742,3 +2742,26 @@ int nfp_bpf_jit(struct nfp_prog *nfp_prog) return nfp_bpf_ustore_calc(nfp_prog, (__force __le64 *)nfp_prog->prog); } + +void nfp_bpf_jit_prepare(struct nfp_prog *nfp_prog, unsigned int cnt) +{ + struct nfp_insn_meta *meta; + + /* Another pass to record jump information. */ + list_for_each_entry(meta, &nfp_prog->insns, l) { + u64 code = meta->insn.code; + + if (BPF_CLASS(code) == BPF_JMP && BPF_OP(code) != BPF_EXIT && + BPF_OP(code) != BPF_CALL) { + struct nfp_insn_meta *dst_meta; + unsigned short dst_indx; + + dst_indx = meta->n + 1 + meta->insn.off; + dst_meta = nfp_bpf_goto_meta(nfp_prog, meta, dst_indx, + cnt); + + meta->jmp_dst = dst_meta; + dst_meta->flags |= FLAG_INSN_IS_JUMP_DST; + } + } +} -- cgit