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Diffstat (limited to 'net/core/filter.c')
-rw-r--r--net/core/filter.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/net/core/filter.c b/net/core/filter.c
index 4aec7b93f1a9..ab3c74e49f07 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -578,7 +578,11 @@ EXPORT_SYMBOL_GPL(sk_run_filter_int_skb);
* to make sure its still a 3bit field starting at a byte boundary;
* taken from arch/x86/net/bpf_jit_comp.c.
*/
+#ifdef __BIG_ENDIAN_BITFIELD
+#define PKT_TYPE_MAX (7 << 5)
+#else
#define PKT_TYPE_MAX 7
+#endif
static unsigned int pkt_type_offset(void)
{
struct sk_buff skb_probe = { .pkt_type = ~0, };
@@ -685,6 +689,13 @@ static bool convert_bpf_extensions(struct sock_filter *fp,
insn->code = BPF_ALU | BPF_AND | BPF_K;
insn->a_reg = A_REG;
insn->imm = PKT_TYPE_MAX;
+#ifdef __BIG_ENDIAN_BITFIELD
+ insn++;
+
+ insn->code = BPF_ALU | BPF_RSH | BPF_K;
+ insn->a_reg = A_REG;
+ insn->imm = 5;
+#endif
break;
case SKF_AD_OFF + SKF_AD_IFINDEX: