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Diffstat (limited to 'include/linux/skbuff.h')
-rw-r--r--include/linux/skbuff.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 91ed66952580..faaba050f843 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -944,7 +944,7 @@ struct sk_buff {
__u8 __mono_tc_offset[0];
/* public: */
__u8 mono_delivery_time:1; /* See SKB_MONO_DELIVERY_TIME_MASK */
-#ifdef CONFIG_NET_CLS_ACT
+#ifdef CONFIG_NET_XGRESS
__u8 tc_at_ingress:1; /* See TC_AT_INGRESS_MASK */
__u8 tc_skip_classify:1;
#endif
@@ -993,7 +993,7 @@ struct sk_buff {
__u8 csum_not_inet:1;
#endif
-#ifdef CONFIG_NET_SCHED
+#if defined(CONFIG_NET_SCHED) || defined(CONFIG_NET_XGRESS)
__u16 tc_index; /* traffic control index */
#endif
@@ -4023,7 +4023,7 @@ __skb_header_pointer(const struct sk_buff *skb, int offset, int len,
if (likely(hlen - offset >= len))
return (void *)data + offset;
- if (!skb || !buffer || unlikely(skb_copy_bits(skb, offset, buffer, len) < 0))
+ if (!skb || unlikely(skb_copy_bits(skb, offset, buffer, len) < 0))
return NULL;
return buffer;
@@ -4036,6 +4036,14 @@ skb_header_pointer(const struct sk_buff *skb, int offset, int len, void *buffer)
skb_headlen(skb), buffer);
}
+static inline void * __must_check
+skb_pointer_if_linear(const struct sk_buff *skb, int offset, int len)
+{
+ if (likely(skb_headlen(skb) - offset >= len))
+ return skb->data + offset;
+ return NULL;
+}
+
/**
* skb_needs_linearize - check if we need to linearize a given skb
* depending on the given device features.