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Commit 2e85d388 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

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: default avatarJakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: default avatarSimon Horman <simon.horman@netronome.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1c03e03f

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

+4 −2
Original line number Diff line number Diff line
@@ -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;