include/net/netns/ipv6.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * ipv6 in net namespaces
   4  */
   5
   6 #include <net/inet_frag.h>
   7
   8 #ifndef __NETNS_IPV6_H__
   9 #define __NETNS_IPV6_H__
  10 #include <net/dst_ops.h>
  11
  12 struct ctl_table_header;
  13
  14 struct netns_sysctl_ipv6 {
  15 #ifdef CONFIG_SYSCTL
  16         struct ctl_table_header *hdr;
  17         struct ctl_table_header *route_hdr;
  18         struct ctl_table_header *icmp_hdr;
  19         struct ctl_table_header *frags_hdr;
  20         struct ctl_table_header *xfrm6_hdr;
  21 #endif
  22         int bindv6only;
  23         int flush_delay;
  24         int ip6_rt_max_size;
  25         int ip6_rt_gc_min_interval;
  26         int ip6_rt_gc_timeout;
  27         int ip6_rt_gc_interval;
  28         int ip6_rt_gc_elasticity;
  29         int ip6_rt_mtu_expires;
  30         int ip6_rt_min_advmss;
  31         int flowlabel_consistency;
  32         int auto_flowlabels;
  33         int icmpv6_time;
  34         int anycast_src_echo_reply;
  35         int ip_nonlocal_bind;
  36         int fwmark_reflect;
  37         int idgen_retries;
  38         int idgen_delay;
  39         int flowlabel_state_ranges;
  40         int flowlabel_reflect;
  41         int max_dst_opts_cnt;
  42         int max_hbh_opts_cnt;
  43         int max_dst_opts_len;
  44         int max_hbh_opts_len;
  45 };
  46
  47 struct netns_ipv6 {
  48         struct netns_sysctl_ipv6 sysctl;
  49         struct ipv6_devconf     *devconf_all;
  50         struct ipv6_devconf     *devconf_dflt;
  51         struct inet_peer_base   *peers;
  52         struct netns_frags      frags;
  53 #ifdef CONFIG_NETFILTER
  54         struct xt_table         *ip6table_filter;
  55         struct xt_table         *ip6table_mangle;
  56         struct xt_table         *ip6table_raw;
  57 #ifdef CONFIG_SECURITY
  58         struct xt_table         *ip6table_security;
  59 #endif
  60         struct xt_table         *ip6table_nat;
  61 #endif
  62         struct rt6_info         *ip6_null_entry;
  63         struct rt6_statistics   *rt6_stats;
  64         struct timer_list       ip6_fib_timer;
  65         struct hlist_head       *fib_table_hash;
  66         struct fib6_table       *fib6_main_tbl;
  67         struct list_head        fib6_walkers;
  68         struct dst_ops          ip6_dst_ops;
  69         rwlock_t                fib6_walker_lock;
  70         spinlock_t              fib6_gc_lock;
  71         unsigned int             ip6_rt_gc_expire;
  72         unsigned long            ip6_rt_last_gc;
  73 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
  74         bool                     fib6_has_custom_rules;
  75         struct rt6_info         *ip6_prohibit_entry;
  76         struct rt6_info         *ip6_blk_hole_entry;
  77         struct fib6_table       *fib6_local_tbl;
  78         struct fib_rules_ops    *fib6_rules_ops;
  79 #endif
  80         struct sock             **icmp_sk;
  81         struct sock             *ndisc_sk;
  82         struct sock             *tcp_sk;
  83         struct sock             *igmp_sk;
  84         struct sock             *mc_autojoin_sk;
  85 #ifdef CONFIG_IPV6_MROUTE
  86 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
  87         struct mr6_table        *mrt6;
  88 #else
  89         struct list_head        mr6_tables;
  90         struct fib_rules_ops    *mr6_rules_ops;
  91 #endif
  92 #endif
  93         atomic_t                dev_addr_genid;
  94         atomic_t                fib6_sernum;
  95         struct seg6_pernet_data *seg6_data;
  96         struct fib_notifier_ops *notifier_ops;
  97         struct {
  98                 struct hlist_head head;
  99                 spinlock_t      lock;
 100                 u32             seq;
 101         } ip6addrlbl_table;
 102 };
 103
 104 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
 105 struct netns_nf_frag {
 106         struct netns_sysctl_ipv6 sysctl;
 107         struct netns_frags      frags;
 108 };
 109 #endif
 110
 111 #endif