+
+ int sysctl_icmp_echo_ignore_all;
+ int sysctl_icmp_echo_ignore_broadcasts;
+ int sysctl_icmp_ignore_bogus_error_responses;
+ int sysctl_icmp_ratelimit;
+ int sysctl_icmp_ratemask;
+ int sysctl_icmp_errors_use_inbound_ifaddr;
+
+ struct timer_list rt_secret_timer;
+ atomic_t rt_genid;