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-rw-r--r--include/net/snmp.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/net/snmp.h b/include/net/snmp.h
index 27461d6dd46f..479083a78b0c 100644
--- a/include/net/snmp.h
+++ b/include/net/snmp.h
@@ -72,14 +72,24 @@ struct icmpmsg_mib {
/* ICMP6 (IPv6-ICMP) */
#define ICMP6_MIB_MAX __ICMP6_MIB_MAX
+/* per network ns counters */
struct icmpv6_mib {
unsigned long mibs[ICMP6_MIB_MAX];
};
+/* per device counters, (shared on all cpus) */
+struct icmpv6_mib_device {
+ atomic_long_t mibs[ICMP6_MIB_MAX];
+};
#define ICMP6MSG_MIB_MAX __ICMP6MSG_MIB_MAX
+/* per network ns counters */
struct icmpv6msg_mib {
unsigned long mibs[ICMP6MSG_MIB_MAX];
};
+/* per device counters, (shared on all cpus) */
+struct icmpv6msg_mib_device {
+ atomic_long_t mibs[ICMP6MSG_MIB_MAX];
+};
/* TCP */
@@ -114,6 +124,8 @@ struct linux_xfrm_mib {
*/
#define DEFINE_SNMP_STAT(type, name) \
__typeof__(type) __percpu *name[2]
+#define DEFINE_SNMP_STAT_ATOMIC(type, name) \
+ __typeof__(type) *name
#define DECLARE_SNMP_STAT(type, name) \
extern __typeof__(type) __percpu *name[2]
@@ -124,6 +136,8 @@ struct linux_xfrm_mib {
__this_cpu_inc(mib[0]->mibs[field])
#define SNMP_INC_STATS_USER(mib, field) \
this_cpu_inc(mib[1]->mibs[field])
+#define SNMP_INC_STATS_ATOMIC_LONG(mib, field) \
+ atomic_long_inc(&mib->mibs[field])
#define SNMP_INC_STATS(mib, field) \
this_cpu_inc(mib[!in_softirq()]->mibs[field])
#define SNMP_DEC_STATS(mib, field) \