datapath: Rehash 16-bit skbuff hashes into 32 bits.

[cascardo/ovs.git] / datapath / linux / compat / include / linux / skbuff.h

diff --git a/datapath/linux/compat/include/linux/skbuff.h b/datapath/linux/compat/include/linux/skbuff.h
index b011396..9abd582 100644 (file)
--- a/datapath/linux/compat/include/linux/skbuff.h
+++ b/datapath/linux/compat/include/linux/skbuff.h
@@ -3,6 +3,7 @@
 
 #include_next <linux/skbuff.h>
 
+#include <linux/jhash.h>
 #include <linux/version.h>
 
 #ifndef HAVE_SKB_COPY_FROM_LINEAR_DATA_OFFSET
@@ -260,7 +261,11 @@ static inline __u32 skb_get_hash(struct sk_buff *skb)
 {
 #ifdef HAVE_RXHASH
        if (skb->rxhash)
+#ifndef HAVE_U16_RXHASH
                return skb->rxhash;
+#else
+               return jhash_1word(skb->rxhash, 0);
+#endif
 #endif
        return __skb_get_hash(skb);
 }