1 files changed, 22 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d8340e6e8814..47082f54ec1f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -4040,6 +4040,12 @@ static inline bool skb_is_gso_v6(const struct sk_buff *skb)
         return skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6;
 }
 
+/* Note: Should be called only if skb_is_gso(skb) is true */
+static inline bool skb_is_gso_sctp(const struct sk_buff *skb)
+{
+        return skb_shinfo(skb)->gso_type & SKB_GSO_SCTP;
+}
+
 static inline void skb_gso_reset(struct sk_buff *skb)
 {
         skb_shinfo(skb)->gso_size = 0;
@@ -4047,6 +4053,22 @@ static inline void skb_gso_reset(struct sk_buff *skb)
         skb_shinfo(skb)->gso_type = 0;
 }
 
+static inline void skb_increase_gso_size(struct skb_shared_info *shinfo,
+                                         u16 increment)
+{
+        if (WARN_ON_ONCE(shinfo->gso_size == GSO_BY_FRAGS))
+                return;
+        shinfo->gso_size += increment;
+}
+
+static inline void skb_decrease_gso_size(struct skb_shared_info *shinfo,
+                                         u16 decrement)
+{
+        if (WARN_ON_ONCE(shinfo->gso_size == GSO_BY_FRAGS))
+                return;
+        shinfo->gso_size -= decrement;
+}
+
 void __skb_warn_lro_forwarding(const struct sk_buff *skb);
 
 static inline bool skb_warn_if_lro(const struct sk_buff *skb)