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-rw-r--r--include/linux/skbuff.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 93f56fddd92a..bdb9563c64a0 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2434,7 +2434,7 @@ static inline void skb_probe_transport_header(struct sk_buff *skb,
if (skb_flow_dissect_flow_keys_basic(skb, &keys, NULL, 0, 0, 0, 0))
skb_set_transport_header(skb, keys.control.thoff);
- else
+ else if (offset_hint >= 0)
skb_set_transport_header(skb, offset_hint);
}
@@ -3218,6 +3218,7 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len);
*
* This is exactly the same as pskb_trim except that it ensures the
* checksum of received packets are still valid after the operation.
+ * It can change skb pointers.
*/
static inline int pskb_trim_rcsum(struct sk_buff *skb, unsigned int len)
@@ -4211,6 +4212,12 @@ static inline bool skb_is_gso_sctp(const struct sk_buff *skb)
return skb_shinfo(skb)->gso_type & SKB_GSO_SCTP;
}
+static inline bool skb_is_gso_tcp(const struct sk_buff *skb)
+{
+ return skb_is_gso(skb) &&
+ skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV4 | SKB_GSO_TCPV6);
+}
+
static inline void skb_gso_reset(struct sk_buff *skb)
{
skb_shinfo(skb)->gso_size = 0;