5 files changed, 47 insertions, 15 deletions

diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index fba141d3ca07..ed60f8718d80 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -357,18 +357,6 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         ((unsigned char *)&addr)[3]
 #define NIPQUAD_FMT "%u.%u.%u.%u"
 
-#define NIP6(addr) \
-        ntohs((addr).s6_addr16[0]), \
-        ntohs((addr).s6_addr16[1]), \
-        ntohs((addr).s6_addr16[2]), \
-        ntohs((addr).s6_addr16[3]), \
-        ntohs((addr).s6_addr16[4]), \
-        ntohs((addr).s6_addr16[5]), \
-        ntohs((addr).s6_addr16[6]), \
-        ntohs((addr).s6_addr16[7])
-#define NIP6_FMT "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x"
-#define NIP6_SEQFMT "%04x%04x%04x%04x%04x%04x%04x%04x"
-
 #if defined(__LITTLE_ENDIAN)
 #define HIPQUAD(addr) \
         ((unsigned char *)&addr)[3], \
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index e649bd3f2c97..3ba2998b22ba 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -383,5 +383,22 @@ static inline void hlist_add_after_rcu(struct hlist_node *prev,
                 ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \
                 pos = rcu_dereference(pos->next))
 
+/**
+ * hlist_for_each_entry_rcu_safenext - iterate over rcu list of given type
+ * @tpos:       the type * to use as a loop cursor.
+ * @pos:        the &struct hlist_node to use as a loop cursor.
+ * @head:       the head for your list.
+ * @member:     the name of the hlist_node within the struct.
+ * @next:       the &struct hlist_node to use as a next cursor
+ *
+ * Special version of hlist_for_each_entry_rcu that make sure
+ * each next pointer is fetched before each iteration.
+ */
+#define hlist_for_each_entry_rcu_safenext(tpos, pos, head, member, next) \
+        for (pos = rcu_dereference((head)->first);                       \
+                pos && ({ next = pos->next; smp_rmb(); prefetch(next); 1; }) && \
+                ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); \
+                pos = rcu_dereference(next))
+
 #endif  /* __KERNEL__ */
 #endif
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2725f4e5a9bf..487e34507b41 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -269,8 +269,9 @@ struct sk_buff {
                 struct  dst_entry       *dst;
                 struct  rtable          *rtable;
         };
+#ifdef CONFIG_XFRM
         struct  sec_path        *sp;
-
+#endif
         /*
          * This is the control buffer. It is free to use for every
          * layer. Please put your private variables there. If you
@@ -1864,6 +1865,18 @@ static inline void skb_copy_queue_mapping(struct sk_buff *to, const struct sk_bu
         to->queue_mapping = from->queue_mapping;
 }
 
+#ifdef CONFIG_XFRM
+static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
+{
+        return skb->sp;
+}
+#else
+static inline struct sec_path *skb_sec_path(struct sk_buff *skb)
+{
+        return NULL;
+}
+#endif
+
 static inline int skb_is_gso(const struct sk_buff *skb)
 {
         return skb_shinfo(skb)->gso_size;
diff --git a/include/linux/sunrpc/svc_xprt.h b/include/linux/sunrpc/svc_xprt.h
index 6fd7b016517f..51cb75ea42d5 100644
--- a/include/linux/sunrpc/svc_xprt.h
+++ b/include/linux/sunrpc/svc_xprt.h
@@ -145,8 +145,8 @@ static inline char *__svc_print_addr(struct sockaddr *addr,
                 break;
 
         case AF_INET6:
-                snprintf(buf, len, "%x:%x:%x:%x:%x:%x:%x:%x, port=%u",
-                        NIP6(((struct sockaddr_in6 *) addr)->sin6_addr),
+                snprintf(buf, len, "%pI6, port=%u",
+                         &((struct sockaddr_in6 *)addr)->sin6_addr,
                         ntohs(((struct sockaddr_in6 *) addr)->sin6_port));
                 break;
 
diff --git a/include/linux/xfrm.h b/include/linux/xfrm.h
index 4bc1e6b86cb2..52f3abd453a1 100644
--- a/include/linux/xfrm.h
+++ b/include/linux/xfrm.h
@@ -199,6 +199,9 @@ enum {
 #define XFRM_MSG_NEWSPDINFO XFRM_MSG_NEWSPDINFO
         XFRM_MSG_GETSPDINFO,
 #define XFRM_MSG_GETSPDINFO XFRM_MSG_GETSPDINFO
+
+        XFRM_MSG_MAPPING,
+#define XFRM_MSG_MAPPING XFRM_MSG_MAPPING
         __XFRM_MSG_MAX
 };
 #define XFRM_MSG_MAX (__XFRM_MSG_MAX - 1)
@@ -438,6 +441,15 @@ struct xfrm_user_migrate {
         __u16                           new_family;
 };
 
+struct xfrm_user_mapping {
+        struct xfrm_usersa_id           id;
+        __u32                           reqid;
+        xfrm_address_t                  old_saddr;
+        xfrm_address_t                  new_saddr;
+        __be16                          old_sport;
+        __be16                          new_sport;
+};
+
 #ifndef __KERNEL__
 /* backwards compatibility for userspace */
 #define XFRMGRP_ACQUIRE         1
@@ -464,6 +476,8 @@ enum xfrm_nlgroups {
 #define XFRMNLGRP_REPORT        XFRMNLGRP_REPORT
         XFRMNLGRP_MIGRATE,
 #define XFRMNLGRP_MIGRATE       XFRMNLGRP_MIGRATE
+        XFRMNLGRP_MAPPING,
+#define XFRMNLGRP_MAPPING       XFRMNLGRP_MAPPING
         __XFRMNLGRP_MAX
 };
 #define XFRMNLGRP_MAX   (__XFRMNLGRP_MAX - 1)