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Diffstat (limited to 'include/net/ipv6.h')
-rw-r--r--include/net/ipv6.h73
1 files changed, 38 insertions, 35 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 9059e0ed7fe..31b3f1b45a2 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -112,45 +112,28 @@ struct frag_hdr {
extern int sysctl_ipv6_bindv6only;
extern int sysctl_mld_max_msf;
-/* MIBs */
-DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
-#define IP6_INC_STATS(idev,field) ({ \
- struct inet6_dev *_idev = (idev); \
- if (likely(_idev != NULL)) \
- SNMP_INC_STATS(_idev->stats.ipv6, field); \
- SNMP_INC_STATS(ipv6_statistics, field); \
-})
-#define IP6_INC_STATS_BH(idev,field) ({ \
- struct inet6_dev *_idev = (idev); \
- if (likely(_idev != NULL)) \
- SNMP_INC_STATS_BH(_idev->stats.ipv6, field); \
- SNMP_INC_STATS_BH(ipv6_statistics, field); \
-})
-#define IP6_INC_STATS_USER(idev,field) ({ \
+#define _DEVINC(statname, modifier, idev, field) \
+({ \
struct inet6_dev *_idev = (idev); \
if (likely(_idev != NULL)) \
- SNMP_INC_STATS_USER(_idev->stats.ipv6, field); \
- SNMP_INC_STATS_USER(ipv6_statistics, field); \
+ SNMP_INC_STATS##modifier((_idev)->stats.statname, (field)); \
+ SNMP_INC_STATS##modifier(statname##_statistics, (field)); \
})
+
+/* MIBs */
+DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
+
+#define IP6_INC_STATS(idev,field) _DEVINC(ipv6, , idev, field)
+#define IP6_INC_STATS_BH(idev,field) _DEVINC(ipv6, _BH, idev, field)
+#define IP6_INC_STATS_USER(idev,field) _DEVINC(ipv6, _USER, idev, field)
+
DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
-#define ICMP6_INC_STATS(idev, field) ({ \
- struct inet6_dev *_idev = (idev); \
- if (likely(_idev != NULL)) \
- SNMP_INC_STATS(idev->stats.icmpv6, field); \
- SNMP_INC_STATS(icmpv6_statistics, field); \
-})
-#define ICMP6_INC_STATS_BH(idev, field) ({ \
- struct inet6_dev *_idev = (idev); \
- if (likely(_idev != NULL)) \
- SNMP_INC_STATS_BH((_idev)->stats.icmpv6, field); \
- SNMP_INC_STATS_BH(icmpv6_statistics, field); \
-})
-#define ICMP6_INC_STATS_USER(idev, field) ({ \
- struct inet6_dev *_idev = (idev); \
- if (likely(_idev != NULL)) \
- SNMP_INC_STATS_USER(_idev->stats.icmpv6, field); \
- SNMP_INC_STATS_USER(icmpv6_statistics, field); \
-})
+DECLARE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg_statistics);
+
+#define ICMP6_INC_STATS(idev, field) _DEVINC(icmpv6, , idev, field)
+#define ICMP6_INC_STATS_BH(idev, field) _DEVINC(icmpv6, _BH, idev, field)
+#define ICMP6_INC_STATS_USER(idev, field) _DEVINC(icmpv6, _USER, idev, field)
+
#define ICMP6_INC_STATS_OFFSET_BH(idev, field, offset) ({ \
struct inet6_dev *_idev = idev; \
__typeof__(offset) _offset = (offset); \
@@ -158,6 +141,20 @@ DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
SNMP_INC_STATS_OFFSET_BH(_idev->stats.icmpv6, field, _offset); \
SNMP_INC_STATS_OFFSET_BH(icmpv6_statistics, field, _offset); \
})
+
+#define ICMP6MSGOUT_INC_STATS(idev, field) \
+ _DEVINC(icmpv6msg, , idev, field +256)
+#define ICMP6MSGOUT_INC_STATS_BH(idev, field) \
+ _DEVINC(icmpv6msg, _BH, idev, field +256)
+#define ICMP6MSGOUT_INC_STATS_USER(idev, field) \
+ _DEVINC(icmpv6msg, _USER, idev, field +256)
+#define ICMP6MSGIN_INC_STATS(idev, field) \
+ _DEVINC(icmpv6msg, , idev, field)
+#define ICMP6MSGIN_INC_STATS_BH(idev, field) \
+ _DEVINC(icmpv6msg, _BH, idev, field)
+#define ICMP6MSGIN_INC_STATS_USER(idev, field) \
+ _DEVINC(icmpv6msg, _USER, idev, field)
+
DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
#define UDP6_INC_STATS_BH(field, is_udplite) do { \
@@ -377,6 +374,12 @@ static inline int ipv6_addr_any(const struct in6_addr *a)
a->s6_addr32[2] | a->s6_addr32[3] ) == 0);
}
+static inline int ipv6_addr_v4mapped(const struct in6_addr *a)
+{
+ return ((a->s6_addr32[0] | a->s6_addr32[1]) == 0 &&
+ a->s6_addr32[2] == htonl(0x0000ffff));
+}
+
/*
* find the first different bit between two addresses
* length of address must be a multiple of 32bits