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 sock * __percpu *tcp_sk; 47 struct netns_frags frags; 48 #ifdef CONFIG_NETFILTER 49 struct xt_table *iptable_filter; 50 struct xt_table *iptable_mangle; 51 struct xt_table *iptable_raw; 52 struct xt_table *arptable_filter; 53 #ifdef CONFIG_SECURITY 54 struct xt_table *iptable_security; 55 #endif 56 struct xt_table *nat_table; 57 #endif 58 59 int sysctl_icmp_echo_ignore_all; 60 int sysctl_icmp_echo_ignore_broadcasts; 61 int sysctl_icmp_ignore_bogus_error_responses; 62 int sysctl_icmp_ratelimit; 63 int sysctl_icmp_ratemask; 64 int sysctl_icmp_errors_use_inbound_ifaddr; 65 66 int sysctl_tcp_ecn; 67 68 int sysctl_fwmark_reflect; 69 int sysctl_tcp_fwmark_accept; 70 71 kgid_t sysctl_ping_group_range[2]; 72 long sysctl_tcp_mem[3]; 73 74 atomic_t dev_addr_genid; 75 76 #ifdef CONFIG_IP_MROUTE 77 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES 78 struct mr_table *mrt; 79 #else 80 struct list_head mr_tables; 81 struct fib_rules_ops *mr_rules_ops; 82 #endif 83 #endif 84 }; 85 #endif 86