nfp: bpf: byte swap the instructions

Device expects the instructions in little endian.  Make sure we
byte swap on big endian hosts.
Signed-off-by: NJakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: NSimon Horman <simon.horman@netronome.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/bpf/jit.c

@@ -1725,7 +1725,7 @@ static int nfp_bpf_optimize(struct nfp_prog *nfp_prog)
 	return 0;
 }
 
-static int nfp_bpf_ustore_calc(struct nfp_prog *nfp_prog)
+static int nfp_bpf_ustore_calc(struct nfp_prog *nfp_prog, __le64 *ustore)
 {
 	int i;
 
@@ -1737,6 +1737,8 @@ static int nfp_bpf_ustore_calc(struct nfp_prog *nfp_prog)
 			return err;
 
 		nfp_prog->prog[i] = nfp_ustore_calc_ecc_insn(nfp_prog->prog[i]);
+
+		ustore[i] = cpu_to_le64(nfp_prog->prog[i]);
 	}
 
 	return 0;
@@ -1796,7 +1798,7 @@ nfp_bpf_jit(struct bpf_prog *filter, void *prog_mem,
 		goto out;
 	}
 
-	ret = nfp_bpf_ustore_calc(nfp_prog);
+	ret = nfp_bpf_ustore_calc(nfp_prog, (__force __le64 *)prog_mem);
 
 	res->n_instr = nfp_prog->prog_len;
 	res->dense_mode = false;