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 multipath_hash_policy;
  32         int flowlabel_consistency;
  33         int auto_flowlabels;
  34         int icmpv6_time;
  35         int anycast_src_echo_reply;
  36         int ip_nonlocal_bind;
  37         int fwmark_reflect;
  38         int idgen_retries;
  39         int idgen_delay;
  40         int flowlabel_state_ranges;
  41         int flowlabel_reflect;
  42         int max_dst_opts_cnt;
  43         int max_hbh_opts_cnt;
  44         int max_dst_opts_len;
  45         int max_hbh_opts_len;
  46         int seg6_flowlabel;
  47 };
  48
  49 struct netns_ipv6 {
  50         struct netns_sysctl_ipv6 sysctl;
  51         struct ipv6_devconf     *devconf_all;
  52         struct ipv6_devconf     *devconf_dflt;
  53         struct inet_peer_base   *peers;
  54         struct netns_frags      frags;
  55 #ifdef CONFIG_NETFILTER
  56         struct xt_table         *ip6table_filter;
  57         struct xt_table         *ip6table_mangle;
  58         struct xt_table         *ip6table_raw;
  59 #ifdef CONFIG_SECURITY
  60         struct xt_table         *ip6table_security;
  61 #endif
  62         struct xt_table         *ip6table_nat;
  63 #endif
  64         struct fib6_info        *fib6_null_entry;
  65         struct rt6_info         *ip6_null_entry;
  66         struct rt6_statistics   *rt6_stats;
  67         struct timer_list       ip6_fib_timer;
  68         struct hlist_head       *fib_table_hash;
  69         struct fib6_table       *fib6_main_tbl;
  70         struct list_head        fib6_walkers;
  71         struct dst_ops          ip6_dst_ops;
  72         rwlock_t                fib6_walker_lock;
  73         spinlock_t              fib6_gc_lock;
  74         unsigned int             ip6_rt_gc_expire;
  75         unsigned long            ip6_rt_last_gc;
  76 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
  77         unsigned int            fib6_rules_require_fldissect;
  78         bool                    fib6_has_custom_rules;
  79         struct rt6_info         *ip6_prohibit_entry;
  80         struct rt6_info         *ip6_blk_hole_entry;
  81         struct fib6_table       *fib6_local_tbl;
  82         struct fib_rules_ops    *fib6_rules_ops;
  83 #endif
  84         struct sock             **icmp_sk;
  85         struct sock             *ndisc_sk;
  86         struct sock             *tcp_sk;
  87         struct sock             *igmp_sk;
  88         struct sock             *mc_autojoin_sk;
  89 #ifdef CONFIG_IPV6_MROUTE
  90 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
  91         struct mr_table         *mrt6;
  92 #else
  93         struct list_head        mr6_tables;
  94         struct fib_rules_ops    *mr6_rules_ops;
  95 #endif
  96 #endif
  97         atomic_t                dev_addr_genid;
  98         atomic_t                fib6_sernum;
  99         struct seg6_pernet_data *seg6_data;
 100         struct fib_notifier_ops *notifier_ops;
 101         struct fib_notifier_ops *ip6mr_notifier_ops;
 102         unsigned int ipmr_seq; /* protected by rtnl_mutex */
 103         struct {
 104                 struct hlist_head head;
 105                 spinlock_t      lock;
 106                 u32             seq;
 107         } ip6addrlbl_table;
 108 };
 109
 110 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
 111 struct netns_nf_frag {
 112         struct netns_frags      frags;
 113 };
 114 #endif
 115
 116 #endif