1 files changed, 20 insertions, 0 deletions

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 638b0e004310..6f0b3e0adc73 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1079,6 +1079,7 @@ __skb_set_sw_hash(struct sk_buff *skb, __u32 hash, bool is_l4)
 }
 
 void __skb_get_hash(struct sk_buff *skb);
+u32 __skb_get_hash_symmetric(struct sk_buff *skb);
 u32 skb_get_poff(const struct sk_buff *skb);
 u32 __skb_get_poff(const struct sk_buff *skb, void *data,
                    const struct flow_keys *keys, int hlen);
@@ -2887,6 +2888,25 @@ static inline void skb_postpush_rcsum(struct sk_buff *skb,
 }
 
 /**
+ *      skb_push_rcsum - push skb and update receive checksum
+ *      @skb: buffer to update
+ *      @len: length of data pulled
+ *
+ *      This function performs an skb_push on the packet and updates
+ *      the CHECKSUM_COMPLETE checksum.  It should be used on
+ *      receive path processing instead of skb_push unless you know
+ *      that the checksum difference is zero (e.g., a valid IP header)
+ *      or you are setting ip_summed to CHECKSUM_NONE.
+ */
+static inline unsigned char *skb_push_rcsum(struct sk_buff *skb,
+                                            unsigned int len)
+{
+        skb_push(skb, len);
+        skb_postpush_rcsum(skb, skb->data, len);
+        return skb->data;
+}
+
+/**
  *      pskb_trim_rcsum - trim received skb and update checksum
  *      @skb: buffer to trim
  *      @len: new length