commit a11d206d0f88e092419877c7f706cafb5e1c2e57
author YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Sat Nov 04 20:11:37 2006 +0900
committer David S. Miller <davem@sunset.davemloft.net> Sat Dec 02 21:22:08 2006 -0800
tree ed96428bb52765198d5c5b7ccbc1f1b6516ffb3f
parent 7a3025b1b3a0173be5de6ced18754b909da27b38

[IPV6]: Per-interface statistics support.

For IP MIB (RFC4293).

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>

include/net/ipv6.h

diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 0b8c9b9..3c266ad 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -113,9 +113,24 @@
 
 /* MIBs */
 DECLARE_SNMP_STAT(struct ipstats_mib, ipv6_statistics);
-#define IP6_INC_STATS(field)		SNMP_INC_STATS(ipv6_statistics, field)
-#define IP6_INC_STATS_BH(field)		SNMP_INC_STATS_BH(ipv6_statistics, field)
-#define IP6_INC_STATS_USER(field) 	SNMP_INC_STATS_USER(ipv6_statistics, field)
+#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)		({			\
+	struct inet6_dev *_idev = (idev);				\
+	if (likely(_idev != NULL))					\
+		SNMP_INC_STATS_USER(_idev->stats.ipv6, field);		\
+	SNMP_INC_STATS_USER(ipv6_statistics, field);			\
+})
 DECLARE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics);
 #define ICMP6_INC_STATS(idev, field)		({			\
 	struct inet6_dev *_idev = (idev);				\