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 struct ctl_table_header *xfrm4_hdr; 26 #endif 27 struct ipv4_devconf *devconf_all; 28 struct ipv4_devconf *devconf_dflt; 29 #ifdef CONFIG_IP_MULTIPLE_TABLES 30 struct fib_rules_ops *rules_ops; 31 bool fib_has_custom_rules; 32 struct fib_table *fib_local; 33 struct fib_table *fib_main; 34 struct fib_table *fib_default; 35 #endif 36 #ifdef CONFIG_IP_ROUTE_CLASSID 37 int fib_num_tclassid_users; 38 #endif 39 struct hlist_head *fib_table_hash; 40 struct sock *fibnl; 41 42 struct sock **icmp_sk; 43 struct inet_peer_base *peers; 44 struct tcpm_hash_bucket *tcp_metrics_hash; 45 unsigned int tcp_metrics_hash_log; 46 struct netns_frags frags; 47 #ifdef CONFIG_NETFILTER 48 struct xt_table *iptable_filter; 49 struct xt_table *iptable_mangle; 50 struct xt_table *iptable_raw; 51 struct xt_table *arptable_filter; 52 #ifdef CONFIG_SECURITY 53 struct xt_table *iptable_security; 54 #endif 55 struct xt_table *nat_table; 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 65 int sysctl_tcp_ecn; 66 67 kgid_t sysctl_ping_group_range[2]; 68 long sysctl_tcp_mem[3]; 69 70 atomic_t dev_addr_genid; 71 72 #ifdef CONFIG_IP_MROUTE 73 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES 74 struct mr_table *mrt; 75 #else 76 struct list_head mr_tables; 77 struct fib_rules_ops *mr_rules_ops; 78 #endif 79 #endif 80 }; 81 #endif 82