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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: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 4 additions and 2 deletions
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@ -1725,7 +1725,7 @@ static int nfp_bpf_optimize(struct nfp_prog *nfp_prog)
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return 0;
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}
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static int nfp_bpf_ustore_calc(struct nfp_prog *nfp_prog)
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static int nfp_bpf_ustore_calc(struct nfp_prog *nfp_prog, __le64 *ustore)
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{
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int i;
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@ -1737,6 +1737,8 @@ static int nfp_bpf_ustore_calc(struct nfp_prog *nfp_prog)
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return err;
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nfp_prog->prog[i] = nfp_ustore_calc_ecc_insn(nfp_prog->prog[i]);
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ustore[i] = cpu_to_le64(nfp_prog->prog[i]);
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}
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return 0;
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@ -1796,7 +1798,7 @@ nfp_bpf_jit(struct bpf_prog *filter, void *prog_mem,
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goto out;
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}
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ret = nfp_bpf_ustore_calc(nfp_prog);
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ret = nfp_bpf_ustore_calc(nfp_prog, (__force __le64 *)prog_mem);
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res->n_instr = nfp_prog->prog_len;
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res->dense_mode = false;
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