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 struct local_ports { 19 seqlock_t lock; 20 int range[2]; 21 }; 22 23 struct ping_group_range { 24 seqlock_t lock; 25 kgid_t range[2]; 26 }; 27 28 struct netns_ipv4 { 29 #ifdef CONFIG_SYSCTL 30 struct ctl_table_header *forw_hdr; 31 struct ctl_table_header *frags_hdr; 32 struct ctl_table_header *ipv4_hdr; 33 struct ctl_table_header *route_hdr; 34 struct ctl_table_header *xfrm4_hdr; 35 #endif 36 struct ipv4_devconf *devconf_all; 37 struct ipv4_devconf *devconf_dflt; 38 #ifdef CONFIG_IP_MULTIPLE_TABLES 39 struct fib_rules_ops *rules_ops; 40 bool fib_has_custom_rules; 41 struct fib_table *fib_local; 42 struct fib_table *fib_main; 43 struct fib_table *fib_default; 44 #endif 45 #ifdef CONFIG_IP_ROUTE_CLASSID 46 int fib_num_tclassid_users; 47 #endif 48 struct hlist_head *fib_table_hash; 49 struct sock *fibnl; 50 51 struct sock **icmp_sk; 52 struct inet_peer_base *peers; 53 struct tcpm_hash_bucket *tcp_metrics_hash; 54 unsigned int tcp_metrics_hash_log; 55 struct sock * __percpu *tcp_sk; 56 struct netns_frags frags; 57 #ifdef CONFIG_NETFILTER 58 struct xt_table *iptable_filter; 59 struct xt_table *iptable_mangle; 60 struct xt_table *iptable_raw; 61 struct xt_table *arptable_filter; 62 #ifdef CONFIG_SECURITY 63 struct xt_table *iptable_security; 64 #endif 65 struct xt_table *nat_table; 66 #endif 67 68 int sysctl_icmp_echo_ignore_all; 69 int sysctl_icmp_echo_ignore_broadcasts; 70 int sysctl_icmp_ignore_bogus_error_responses; 71 int sysctl_icmp_ratelimit; 72 int sysctl_icmp_ratemask; 73 int sysctl_icmp_errors_use_inbound_ifaddr; 74 75 struct local_ports ip_local_ports; 76 77 int sysctl_tcp_ecn; 78 int sysctl_ip_no_pmtu_disc; 79 int sysctl_ip_fwd_use_pmtu; 80 int sysctl_ip_nonlocal_bind; 81 82 int sysctl_fwmark_reflect; 83 int sysctl_tcp_fwmark_accept; 84 85 struct ping_group_range ping_group_range; 86 87 atomic_t dev_addr_genid; 88 89 #ifdef CONFIG_SYSCTL 90 unsigned long *sysctl_local_reserved_ports; 91 #endif 92 93 #ifdef CONFIG_IP_MROUTE 94 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES 95 struct mr_table *mrt; 96 #else 97 struct list_head mr_tables; 98 struct fib_rules_ops *mr_rules_ops; 99 #endif 100 #endif 101 atomic_t rt_genid; 102 }; 103 #endif 104