10 files changed, 50 insertions, 22 deletions

diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 40be2a0d8ae1..84a6440f1f19 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -199,6 +199,7 @@ extern bool ipv6_chk_acast_addr(struct net *net, struct net_device *dev,
 /* Device notifier */
 extern int register_inet6addr_notifier(struct notifier_block *nb);
 extern int unregister_inet6addr_notifier(struct notifier_block *nb);
+extern int inet6addr_notifier_call_chain(unsigned long val, void *v);
 
 extern void inet6_netconf_notify_devconf(struct net *net, int type, int ifindex,
                                          struct ipv6_devconf *devconf);
diff --git a/include/net/dst.h b/include/net/dst.h
index 853cda11e518..1f8fd109e225 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -413,13 +413,15 @@ static inline int dst_neigh_output(struct dst_entry *dst, struct neighbour *n,
 
 static inline struct neighbour *dst_neigh_lookup(const struct dst_entry *dst, const void *daddr)
 {
-        return dst->ops->neigh_lookup(dst, NULL, daddr);
+        struct neighbour *n = dst->ops->neigh_lookup(dst, NULL, daddr);
+        return IS_ERR(n) ? NULL : n;
 }
 
 static inline struct neighbour *dst_neigh_lookup_skb(const struct dst_entry *dst,
                                                      struct sk_buff *skb)
 {
-        return dst->ops->neigh_lookup(dst, skb, NULL);
+        struct neighbour *n =  dst->ops->neigh_lookup(dst, skb, NULL);
+        return IS_ERR(n) ? NULL : n;
 }
 
 static inline void dst_link_failure(struct sk_buff *skb)
diff --git a/include/net/flow_keys.h b/include/net/flow_keys.h
index 80461c1ae9ef..bb8271d487b7 100644
--- a/include/net/flow_keys.h
+++ b/include/net/flow_keys.h
@@ -9,6 +9,7 @@ struct flow_keys {
                 __be32 ports;
                 __be16 port16[2];
         };
+        u16 thoff;
         u8 ip_proto;
 };
 
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 76c3fe5ecc2e..0a1dcc2fa2f5 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -43,6 +43,13 @@ struct inet_frag_queue {
 
 #define INETFRAGS_HASHSZ                64
 
+/* averaged:
+ * max_depth = default ipfrag_high_thresh / INETFRAGS_HASHSZ /
+ *             rounded up (SKB_TRUELEN(0) + sizeof(struct ipq or
+ *             struct frag_queue))
+ */
+#define INETFRAGS_MAXDEPTH              128
+
 struct inet_frags {
         struct hlist_head       hash[INETFRAGS_HASHSZ];
         /* This rwlock is a global lock (seperate per IPv4, IPv6 and
@@ -76,6 +83,8 @@ int inet_frag_evictor(struct netns_frags *nf, struct inet_frags *f, bool force);
 struct inet_frag_queue *inet_frag_find(struct netns_frags *nf,
                 struct inet_frags *f, void *key, unsigned int hash)
         __releases(&f->lock);
+void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
+                                   const char *prefix);
 
 static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f)
 {
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 9497be1ad4c0..e49db91593a9 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -152,18 +152,16 @@ struct fib_result_nl {
 };
 
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
-
 #define FIB_RES_NH(res)         ((res).fi->fib_nh[(res).nh_sel])
-
-#define FIB_TABLE_HASHSZ 2
-
 #else /* CONFIG_IP_ROUTE_MULTIPATH */
-
 #define FIB_RES_NH(res)         ((res).fi->fib_nh[0])
+#endif /* CONFIG_IP_ROUTE_MULTIPATH */
 
+#ifdef CONFIG_IP_MULTIPLE_TABLES
 #define FIB_TABLE_HASHSZ 256
-
-#endif /* CONFIG_IP_ROUTE_MULTIPATH */
+#else
+#define FIB_TABLE_HASHSZ 2
+#endif
 
 extern __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh);
 
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 68c69d54d392..fce8e6b66d55 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -976,6 +976,7 @@ struct netns_ipvs {
         int                     sysctl_sync_retries;
         int                     sysctl_nat_icmp_send;
         int                     sysctl_pmtu_disc;
+        int                     sysctl_backup_only;
 
         /* ip_vs_lblc */
         int                     sysctl_lblc_expiration;
@@ -1067,6 +1068,12 @@ static inline int sysctl_pmtu_disc(struct netns_ipvs *ipvs)
         return ipvs->sysctl_pmtu_disc;
 }
 
+static inline int sysctl_backup_only(struct netns_ipvs *ipvs)
+{
+        return ipvs->sync_state & IP_VS_STATE_BACKUP &&
+               ipvs->sysctl_backup_only;
+}
+
 #else
 
 static inline int sysctl_sync_threshold(struct netns_ipvs *ipvs)
@@ -1114,6 +1121,11 @@ static inline int sysctl_pmtu_disc(struct netns_ipvs *ipvs)
         return 1;
 }
 
+static inline int sysctl_backup_only(struct netns_ipvs *ipvs)
+{
+        return 0;
+}
+
 #endif
 
 /*
diff --git a/include/net/ipip.h b/include/net/ipip.h
index fd19625ff99d..982141c15200 100644
--- a/include/net/ipip.h
+++ b/include/net/ipip.h
@@ -77,15 +77,11 @@ static inline void tunnel_ip_select_ident(struct sk_buff *skb,
 {
         struct iphdr *iph = ip_hdr(skb);
 
-        if (iph->frag_off & htons(IP_DF))
-                iph->id = 0;
-        else {
-                /* Use inner packet iph-id if possible. */
-                if (skb->protocol == htons(ETH_P_IP) && old_iph->id)
-                        iph->id = old_iph->id;
-                else
-                        __ip_select_ident(iph, dst,
-                                          (skb_shinfo(skb)->gso_segs ?: 1) - 1);
-        }
+        /* Use inner packet iph-id if possible. */
+        if (skb->protocol == htons(ETH_P_IP) && old_iph->id)
+                iph->id = old_iph->id;
+        else
+                __ip_select_ident(iph, dst,
+                                  (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 }
 #endif
diff --git a/include/net/irda/irlmp.h b/include/net/irda/irlmp.h
index f74109144d3f..f132924cc9da 100644
--- a/include/net/irda/irlmp.h
+++ b/include/net/irda/irlmp.h
@@ -256,7 +256,8 @@ static inline __u32 irlmp_get_daddr(const struct lsap_cb *self)
         return (self && self->lap) ? self->lap->daddr : 0;
 }
 
-extern const char *irlmp_reasons[];
+const char *irlmp_reason_str(LM_REASON reason);
+
 extern int sysctl_discovery_timeout;
 extern int sysctl_discovery_slots;
 extern int sysctl_discovery;
diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h
index cc7c19732389..714cc9a54a4c 100644
--- a/include/net/iucv/af_iucv.h
+++ b/include/net/iucv/af_iucv.h
@@ -130,6 +130,14 @@ struct iucv_sock {
                                                enum iucv_tx_notify n);
 };
 
+struct iucv_skb_cb {
+        u32     class;          /* target class of message */
+        u32     tag;            /* tag associated with message */
+        u32     offset;         /* offset for skb receival */
+};
+
+#define IUCV_SKB_CB(__skb)      ((struct iucv_skb_cb *)&((__skb)->cb[0]))
+
 /* iucv socket options (SOL_IUCV) */
 #define SO_IPRMDATA_MSG 0x0080          /* send/recv IPRM_DATA msgs */
 #define SO_MSGLIMIT     0x1000          /* get/set IUCV MSGLIMIT */
diff --git a/include/net/scm.h b/include/net/scm.h
index 975cca01048b..b11708105681 100644
--- a/include/net/scm.h
+++ b/include/net/scm.h
@@ -56,8 +56,8 @@ static __inline__ void scm_set_cred(struct scm_cookie *scm,
         scm->pid  = get_pid(pid);
         scm->cred = cred ? get_cred(cred) : NULL;
         scm->creds.pid = pid_vnr(pid);
-        scm->creds.uid = cred ? cred->euid : INVALID_UID;
-        scm->creds.gid = cred ? cred->egid : INVALID_GID;
+        scm->creds.uid = cred ? cred->uid : INVALID_UID;
+        scm->creds.gid = cred ? cred->gid : INVALID_GID;
 }
 
 static __inline__ void scm_destroy_cred(struct scm_cookie *scm)