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