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-rw-r--r--include/linux/skbuff.h11
-rw-r--r--include/net/inet_frag.h3
-rw-r--r--include/uapi/linux/snmp.h1
3 files changed, 10 insertions, 5 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index fd3cb1b247df..7ebdf158a795 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -676,13 +676,16 @@ struct sk_buff {
* UDP receive path is one user.
*/
unsigned long dev_scratch;
- int ip_defrag_offset;
};
};
- struct rb_node rbnode; /* used in netem & tcp stack */
+ struct rb_node rbnode; /* used in netem, ip4 defrag, and tcp stack */
struct list_head list;
};
- struct sock *sk;
+
+ union {
+ struct sock *sk;
+ int ip_defrag_offset;
+ };
union {
ktime_t tstamp;
@@ -2585,7 +2588,7 @@ static inline void __skb_queue_purge(struct sk_buff_head *list)
kfree_skb(skb);
}
-void skb_rbtree_purge(struct rb_root *root);
+unsigned int skb_rbtree_purge(struct rb_root *root);
void *netdev_alloc_frag(unsigned int fragsz);
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index f4272a29dc44..b86d14528188 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -75,7 +75,8 @@ struct inet_frag_queue {
struct timer_list timer;
spinlock_t lock;
refcount_t refcnt;
- struct sk_buff *fragments;
+ struct sk_buff *fragments; /* Used in IPv6. */
+ struct rb_root rb_fragments; /* Used in IPv4. */
struct sk_buff *fragments_tail;
ktime_t stamp;
int len;
diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h
index e5ebc83827ab..f80135e5feaa 100644
--- a/include/uapi/linux/snmp.h
+++ b/include/uapi/linux/snmp.h
@@ -56,6 +56,7 @@ enum
IPSTATS_MIB_ECT1PKTS, /* InECT1Pkts */
IPSTATS_MIB_ECT0PKTS, /* InECT0Pkts */
IPSTATS_MIB_CEPKTS, /* InCEPkts */
+ IPSTATS_MIB_REASM_OVERLAPS, /* ReasmOverlaps */
__IPSTATS_MIB_MAX
};