diff options
| author |   Jakub Kicinski <jakub.kicinski@netronome.com> | 2017-10-08 21:04:16 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-10-09 09:51:03 -0700 |
| commit | 2e85d3884f25a0419a941676d1a7c25779884be2 (patch) | |
| tree | 22c2e3aa819caaee5375babef2b2743e996f7d47 /drivers/net/ethernet/netronome | |
| parent | nfp: bpf: pad code with valid nops (diff) | |
| download | linux-dev-2e85d3884f25a0419a941676d1a7c25779884be2.tar.xz linux-dev-2e85d3884f25a0419a941676d1a7c25779884be2.zip | |
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>
Diffstat (limited to 'drivers/net/ethernet/netronome')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/bpf/jit.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/bpf/jit.c b/drivers/net/ethernet/netronome/nfp/bpf/jit.c index e0600d037773..f68052367db7 100644 --- a/drivers/net/ethernet/netronome/nfp/bpf/jit.c +++ b/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; |