1 /* 2 * ipv4 in net namespaces 3 */ 4 5 #ifndef __NETNS_IPV4_H__ 6 #define __NETNS_IPV4_H__ 7 8 #include <net/inet_frag.h> 9 10 struct tcpm_hash_bucket; 11 struct ctl_table_header; 12 struct ipv4_devconf; 13 struct fib_rules_ops; 14 struct hlist_head; 15 struct fib_table; 16 struct sock; 17 18 struct netns_ipv4 { 19 #ifdef CONFIG_SYSCTL 20 struct ctl_table_header *forw_hdr; 21 struct ctl_table_header *frags_hdr; 22 struct ctl_table_header *ipv4_hdr; 23 struct ctl_table_header *route_hdr; 24 #endif 25 struct ipv4_devconf *devconf_all; 26 struct ipv4_devconf *devconf_dflt; 27 #ifdef CONFIG_IP_MULTIPLE_TABLES 28 struct fib_rules_ops *rules_ops; 29 bool fib_has_custom_rules; 30 struct fib_table *fib_local; 31 struct fib_table *fib_main; 32 struct fib_table *fib_default; 33 #endif 34 #ifdef CONFIG_IP_ROUTE_CLASSID 35 int fib_num_tclassid_users; 36 #endif 37 struct hlist_head *fib_table_hash; 38 struct sock *fibnl; 39 40 struct sock **icmp_sk; 41 struct inet_peer_base *peers; 42 struct tcpm_hash_bucket *tcp_metrics_hash; 43 unsigned int tcp_metrics_hash_log; 44 struct netns_frags frags; 45 #ifdef CONFIG_NETFILTER 46 struct xt_table *iptable_filter; 47 struct xt_table *iptable_mangle; 48 struct xt_table *iptable_raw; 49 struct xt_table *arptable_filter; 50 #ifdef CONFIG_SECURITY 51 struct xt_table *iptable_security; 52 #endif 53 struct xt_table *nat_table; 54 struct hlist_head *nat_bysource; 55 unsigned int nat_htable_size; 56 #endif 57 58 int sysctl_icmp_echo_ignore_all; 59 int sysctl_icmp_echo_ignore_broadcasts; 60 int sysctl_icmp_ignore_bogus_error_responses; 61 int sysctl_icmp_ratelimit; 62 int sysctl_icmp_ratemask; 63 int sysctl_icmp_errors_use_inbound_ifaddr; 64 int sysctl_rt_cache_rebuild_count; 65 int current_rt_cache_rebuild_count; 66 67 unsigned int sysctl_ping_group_range[2]; 68 long sysctl_tcp_mem[3]; 69 70 atomic_t rt_genid; 71 atomic_t dev_addr_genid; 72 73 #ifdef CONFIG_IP_MROUTE 74 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES 75 struct mr_table *mrt; 76 #else 77 struct list_head mr_tables; 78 struct fib_rules_ops *mr_rules_ops; 79 #endif 80 #endif 81 }; 82 #endif 83