LXR linux/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#include <uapi/linux/icmpv6.h>
  12
  13struct ctl_table_header;
  14
  15struct netns_sysctl_ipv6 {
  16#ifdef CONFIG_SYSCTL
  17        struct ctl_table_header *hdr;
  18        struct ctl_table_header *route_hdr;
  19        struct ctl_table_header *icmp_hdr;
  20        struct ctl_table_header *frags_hdr;
  21        struct ctl_table_header *xfrm6_hdr;
  22#endif
  23        int bindv6only;
  24        int flush_delay;
  25        int ip6_rt_max_size;
  26        int ip6_rt_gc_min_interval;
  27        int ip6_rt_gc_timeout;
  28        int ip6_rt_gc_interval;
  29        int ip6_rt_gc_elasticity;
  30        int ip6_rt_mtu_expires;
  31        int ip6_rt_min_advmss;
  32        int multipath_hash_policy;
  33        int flowlabel_consistency;
  34        int auto_flowlabels;
  35        int icmpv6_time;
  36        int icmpv6_echo_ignore_all;
  37        int icmpv6_echo_ignore_multicast;
  38        int icmpv6_echo_ignore_anycast;
  39        DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);
  40        unsigned long *icmpv6_ratemask_ptr;
  41        int anycast_src_echo_reply;
  42        int ip_nonlocal_bind;
  43        int fwmark_reflect;
  44        int idgen_retries;
  45        int idgen_delay;
  46        int flowlabel_state_ranges;
  47        int flowlabel_reflect;
  48        int max_dst_opts_cnt;
  49        int max_hbh_opts_cnt;
  50        int max_dst_opts_len;
  51        int max_hbh_opts_len;
  52        int seg6_flowlabel;
  53        bool skip_notify_on_dev_down;
  54};
  55
  56struct netns_ipv6 {
  57        struct netns_sysctl_ipv6 sysctl;
  58        struct ipv6_devconf     *devconf_all;
  59        struct ipv6_devconf     *devconf_dflt;
  60        struct inet_peer_base   *peers;
  61        struct fqdir            *fqdir;
  62#ifdef CONFIG_NETFILTER
  63        struct xt_table         *ip6table_filter;
  64        struct xt_table         *ip6table_mangle;
  65        struct xt_table         *ip6table_raw;
  66#ifdef CONFIG_SECURITY
  67        struct xt_table         *ip6table_security;
  68#endif
  69        struct xt_table         *ip6table_nat;
  70#endif
  71        struct fib6_info        *fib6_null_entry;
  72        struct rt6_info         *ip6_null_entry;
  73        struct rt6_statistics   *rt6_stats;
  74        struct timer_list       ip6_fib_timer;
  75        struct hlist_head       *fib_table_hash;
  76        struct fib6_table       *fib6_main_tbl;
  77        struct list_head        fib6_walkers;
  78        struct dst_ops          ip6_dst_ops;
  79        rwlock_t                fib6_walker_lock;
  80        spinlock_t              fib6_gc_lock;
  81        unsigned int             ip6_rt_gc_expire;
  82        unsigned long            ip6_rt_last_gc;
  83#ifdef CONFIG_IPV6_MULTIPLE_TABLES
  84        unsigned int            fib6_rules_require_fldissect;
  85        bool                    fib6_has_custom_rules;
  86#ifdef CONFIG_IPV6_SUBTREES
  87        unsigned int            fib6_routes_require_src;
  88#endif
  89        struct rt6_info         *ip6_prohibit_entry;
  90        struct rt6_info         *ip6_blk_hole_entry;
  91        struct fib6_table       *fib6_local_tbl;
  92        struct fib_rules_ops    *fib6_rules_ops;
  93#endif
  94        struct sock * __percpu  *icmp_sk;
  95        struct sock             *ndisc_sk;
  96        struct sock             *tcp_sk;
  97        struct sock             *igmp_sk;
  98        struct sock             *mc_autojoin_sk;
  99#ifdef CONFIG_IPV6_MROUTE
 100#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
 101        struct mr_table         *mrt6;
 102#else
 103        struct list_head        mr6_tables;
 104        struct fib_rules_ops    *mr6_rules_ops;
 105#endif
 106#endif
 107        atomic_t                dev_addr_genid;
 108        atomic_t                fib6_sernum;
 109        struct seg6_pernet_data *seg6_data;
 110        struct fib_notifier_ops *notifier_ops;
 111        struct fib_notifier_ops *ip6mr_notifier_ops;
 112        unsigned int ipmr_seq; /* protected by rtnl_mutex */
 113        struct {
 114                struct hlist_head head;
 115                spinlock_t      lock;
 116                u32             seq;
 117        } ip6addrlbl_table;
 118};
 119
 120#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
 121struct netns_nf_frag {
 122        struct fqdir    *fqdir;
 123};
 124#endif
 125
 126#endif
 127