+#define LNET_RECOVERY_INTERVAL_MAX 900
+static inline unsigned int
+lnet_get_next_recovery_ping(unsigned int ping_count, time64_t now)
+{
+ unsigned int interval;
+
+ /* 2^9 = 512, 2^10 = 1024 */
+ if (ping_count > 9)
+ interval = LNET_RECOVERY_INTERVAL_MAX;
+ else
+ interval = 1 << ping_count;
+
+ return now + interval;
+}
+
+static inline void
+lnet_peer_ni_set_next_ping(struct lnet_peer_ni *lpni, time64_t now)
+{
+ lpni->lpni_next_ping =
+ lnet_get_next_recovery_ping(lpni->lpni_ping_count, now);
+}
+
+static inline void
+lnet_ni_set_next_ping(struct lnet_ni *ni, time64_t now)
+{
+ ni->ni_next_ping = lnet_get_next_recovery_ping(ni->ni_ping_count, now);
+}
+