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 * __percpu *icmp_sk; 52 53 struct inet_peer_base *peers; 54 struct tcpm_hash_bucket *tcp_metrics_hash; 55 unsigned int tcp_metrics_hash_log; 56 struct sock * __percpu *tcp_sk; 57 struct netns_frags frags; 58 #ifdef CONFIG_NETFILTER 59 struct xt_table *iptable_filter; 60 struct xt_table *iptable_mangle; 61 struct xt_table *iptable_raw; 62 struct xt_table *arptable_filter; 63 #ifdef CONFIG_SECURITY 64 struct xt_table *iptable_security; 65 #endif 66 struct xt_table *nat_table; 67 #endif 68 69 int sysctl_icmp_echo_ignore_all; 70 int sysctl_icmp_echo_ignore_broadcasts; 71 int sysctl_icmp_ignore_bogus_error_responses; 72 int sysctl_icmp_ratelimit; 73 int sysctl_icmp_ratemask; 74 int sysctl_icmp_errors_use_inbound_ifaddr; 75 76 struct local_ports ip_local_ports; 77 78 int sysctl_tcp_ecn; 79 int sysctl_ip_no_pmtu_disc; 80 int sysctl_ip_fwd_use_pmtu; 81 int sysctl_ip_nonlocal_bind; 82 83 int sysctl_fwmark_reflect; 84 int sysctl_tcp_fwmark_accept; 85 int sysctl_tcp_mtu_probing; 86 int sysctl_tcp_base_mss; 87 88 struct ping_group_range ping_group_range; 89 90 atomic_t dev_addr_genid; 91 92 #ifdef CONFIG_SYSCTL 93 unsigned long *sysctl_local_reserved_ports; 94 #endif 95 96 #ifdef CONFIG_IP_MROUTE 97 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES 98 struct mr_table *mrt; 99 #else 100 struct list_head mr_tables; 101 struct fib_rules_ops *mr_rules_ops; 102 #endif 103 #endif 104 atomic_t rt_genid; 105 }; 106 #endif 107