From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Sun, 8 Oct 2017 21:04:16 -0700
Subject: nfp: bpf: byte swap the instructions
Patch-mainline: v4.15-rc1
Git-commit: 2e85d3884f25a0419a941676d1a7c25779884be2
References: bsc#1109837
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/net/ethernet/netronome/nfp/bpf/jit.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
--- 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_p
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 nf
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, voi
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;