1 files changed, 16 insertions, 14 deletions

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 34200f9e6805..c033ed00df7d 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -77,11 +77,9 @@
 /*
  *      Addr scopes
  */
-#ifdef __KERNEL__
 #define IPV6_ADDR_MC_SCOPE(a)   \
         ((a)->s6_addr[1] & 0x0f)        /* nonstandard */
 #define __IPV6_ADDR_SCOPE_INVALID       -1
-#endif
 #define IPV6_ADDR_SCOPE_NODELOCAL       0x01
 #define IPV6_ADDR_SCOPE_LINKLOCAL       0x02
 #define IPV6_ADDR_SCOPE_SITELOCAL       0x05
@@ -91,14 +89,12 @@
 /*
  *      Addr flags
  */
-#ifdef __KERNEL__
 #define IPV6_ADDR_MC_FLAG_TRANSIENT(a)  \
         ((a)->s6_addr[1] & 0x10)
 #define IPV6_ADDR_MC_FLAG_PREFIX(a)     \
         ((a)->s6_addr[1] & 0x20)
 #define IPV6_ADDR_MC_FLAG_RENDEZVOUS(a) \
         ((a)->s6_addr[1] & 0x40)
-#endif
 
 /*
  *      fragmentation header
@@ -113,8 +109,6 @@ struct frag_hdr {
 
 #define IP6_MF  0x0001
 
-#ifdef __KERNEL__
-
 #include <net/sock.h>
 
 /* sysctls */
@@ -129,6 +123,15 @@ extern struct ctl_path net_ipv6_ctl_path[];
         SNMP_INC_STATS##modifier((net)->mib.statname##_statistics, (field));\
 })
 
+/* per device counters are atomic_long_t */
+#define _DEVINCATOMIC(net, statname, modifier, idev, field)             \
+({                                                                      \
+        struct inet6_dev *_idev = (idev);                               \
+        if (likely(_idev != NULL))                                      \
+                SNMP_INC_STATS_ATOMIC_LONG((_idev)->stats.statname##dev, (field)); \
+        SNMP_INC_STATS##modifier((net)->mib.statname##_statistics, (field));\
+})
+
 #define _DEVADD(net, statname, modifier, idev, field, val)              \
 ({                                                                      \
         struct inet6_dev *_idev = (idev);                               \
@@ -160,16 +163,16 @@ extern struct ctl_path net_ipv6_ctl_path[];
 #define IP6_UPD_PO_STATS_BH(net, idev,field,val)   \
                 _DEVUPD(net, ipv6, 64_BH, idev, field, val)
 #define ICMP6_INC_STATS(net, idev, field)       \
-                _DEVINC(net, icmpv6, , idev, field)
+                _DEVINCATOMIC(net, icmpv6, , idev, field)
 #define ICMP6_INC_STATS_BH(net, idev, field)    \
-                _DEVINC(net, icmpv6, _BH, idev, field)
+                _DEVINCATOMIC(net, icmpv6, _BH, idev, field)
 
 #define ICMP6MSGOUT_INC_STATS(net, idev, field)         \
-        _DEVINC(net, icmpv6msg, , idev, field +256)
+        _DEVINCATOMIC(net, icmpv6msg, , idev, field +256)
 #define ICMP6MSGOUT_INC_STATS_BH(net, idev, field)      \
-        _DEVINC(net, icmpv6msg, _BH, idev, field +256)
+        _DEVINCATOMIC(net, icmpv6msg, _BH, idev, field +256)
 #define ICMP6MSGIN_INC_STATS_BH(net, idev, field)       \
-        _DEVINC(net, icmpv6msg, _BH, idev, field)
+        _DEVINCATOMIC(net, icmpv6msg, _BH, idev, field)
 
 struct ip6_ra_chain {
         struct ip6_ra_chain     *next;
@@ -376,8 +379,8 @@ enum ip6_defrag_users {
 struct ip6_create_arg {
         __be32 id;
         u32 user;
-        struct in6_addr *src;
-        struct in6_addr *dst;
+        const struct in6_addr *src;
+        const struct in6_addr *dst;
 };
 
 void ip6_frag_init(struct inet_frag_queue *q, void *a);
@@ -667,5 +670,4 @@ extern int ipv6_static_sysctl_register(void);
 extern void ipv6_static_sysctl_unregister(void);
 #endif
 
-#endif /* __KERNEL__ */
 #endif /* _NET_IPV6_H */