nfp: bpf: rename map_lookup_stack() to map_call_stack_common()
authorJakub Kicinski <jakub.kicinski@netronome.com>
Thu, 29 Mar 2018 00:48:28 +0000 (17:48 -0700)
committerAlexei Starovoitov <ast@kernel.org>
Thu, 29 Mar 2018 02:36:13 +0000 (19:36 -0700)
We will reuse most of map call code gen for other map calls.
Rename the lookup gen function and use meta->func_id instead
of hard-coding lookup.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Reviewed-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
drivers/net/ethernet/netronome/nfp/bpf/jit.c

index 0701590e83021c992e7a3a7a0c1a6a000e8d97ae..b37c9f86a18f0f003955af5fdb3f094c1781bfe4 100644 (file)
@@ -1352,7 +1352,7 @@ static int adjust_head(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
 }
 
 static int
-map_lookup_stack(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
+map_call_stack_common(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
 {
        struct bpf_offloaded_map *offmap;
        struct nfp_bpf_map *nfp_map;
@@ -1378,7 +1378,7 @@ map_lookup_stack(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
         */
        tid = ur_load_imm_any(nfp_prog, nfp_map->tid, imm_a(nfp_prog));
 
-       emit_br_relo(nfp_prog, BR_UNC, BR_OFF_RELO + BPF_FUNC_map_lookup_elem,
+       emit_br_relo(nfp_prog, BR_UNC, BR_OFF_RELO + meta->func_id,
                     2, RELO_BR_HELPER);
        ret_tgt = nfp_prog_current_offset(nfp_prog) + 2;
 
@@ -2326,7 +2326,7 @@ static int call(struct nfp_prog *nfp_prog, struct nfp_insn_meta *meta)
        case BPF_FUNC_xdp_adjust_head:
                return adjust_head(nfp_prog, meta);
        case BPF_FUNC_map_lookup_elem:
-               return map_lookup_stack(nfp_prog, meta);
+               return map_call_stack_common(nfp_prog, meta);
        default:
                WARN_ONCE(1, "verifier allowed unsupported function\n");
                return -EOPNOTSUPP;