include/net/netns/ipv4.h

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