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
  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 #endif
  26         struct ipv4_devconf     *devconf_all;
  27         struct ipv4_devconf     *devconf_dflt;
  28 #ifdef CONFIG_IP_MULTIPLE_TABLES
  29         struct fib_rules_ops    *rules_ops;
  30         bool                    fib_has_custom_rules;
  31         struct fib_table        *fib_local;
  32         struct fib_table        *fib_main;
  33         struct fib_table        *fib_default;
  34 #endif
  35 #ifdef CONFIG_IP_ROUTE_CLASSID
  36         int                     fib_num_tclassid_users;
  37 #endif
  38         struct hlist_head       *fib_table_hash;
  39         struct sock             *fibnl;
  40
  41         struct sock             **icmp_sk;
  42         struct inet_peer_base   *peers;
  43         struct tcpm_hash_bucket *tcp_metrics_hash;
  44         unsigned int            tcp_metrics_hash_log;
  45         struct netns_frags      frags;
  46 #ifdef CONFIG_NETFILTER
  47         struct xt_table         *iptable_filter;
  48         struct xt_table         *iptable_mangle;
  49         struct xt_table         *iptable_raw;
  50         struct xt_table         *arptable_filter;
  51 #ifdef CONFIG_SECURITY
  52         struct xt_table         *iptable_security;
  53 #endif
  54         struct xt_table         *nat_table;
  55 #endif
  56
  57         int sysctl_icmp_echo_ignore_all;
  58         int sysctl_icmp_echo_ignore_broadcasts;
  59         int sysctl_icmp_ignore_bogus_error_responses;
  60         int sysctl_icmp_ratelimit;
  61         int sysctl_icmp_ratemask;
  62         int sysctl_icmp_errors_use_inbound_ifaddr;
  63
  64         kgid_t sysctl_ping_group_range[2];
  65         long sysctl_tcp_mem[3];
  66
  67         atomic_t dev_addr_genid;
  68
  69 #ifdef CONFIG_IP_MROUTE
  70 #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES
  71         struct mr_table         *mrt;
  72 #else
  73         struct list_head        mr_tables;
  74         struct fib_rules_ops    *mr_rules_ops;
  75 #endif
  76 #endif
  77 };
  78 #endif