Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

[firefly-linux-kernel-4.4.55.git] / include / net / inet_frag.h

diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 7cac9c5789b55a2a94ef5ed1a30a9ec245c66d23..6f41b45e819e907328c18018560d063af6ec60f7 100644 (file)
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -50,10 +50,16 @@ struct inet_frag_queue {
  */
 #define INETFRAGS_MAXDEPTH             128
 
+struct inet_frag_bucket {
+       struct hlist_head       chain;
+       spinlock_t              chain_lock;
+};
+
 struct inet_frags {
-       struct hlist_head       hash[INETFRAGS_HASHSZ];
+       struct inet_frag_bucket hash[INETFRAGS_HASHSZ];
        /* This rwlock is a global lock (seperate per IPv4, IPv6 and
         * netfilter). Important to keep this on a seperate cacheline.
+        * Its primarily a rebuild protection rwlock.
         */
        rwlock_t                lock ____cacheline_aligned_in_smp;
        int                     secret_interval;