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