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