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 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        u32 multipath_hash_fields;
  32        u8 multipath_hash_policy;
  33        u8 bindv6only;
  34        u8 flowlabel_consistency;
  35        u8 auto_flowlabels;
  36        int icmpv6_time;
  37        u8 icmpv6_echo_ignore_all;
  38        u8 icmpv6_echo_ignore_multicast;
  39        u8 icmpv6_echo_ignore_anycast;
  40        DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);
  41        unsigned long *icmpv6_ratemask_ptr;
  42        u8 anycast_src_echo_reply;
  43        u8 ip_nonlocal_bind;
  44        u8 fwmark_reflect;
  45        u8 flowlabel_state_ranges;
  46        int idgen_retries;
  47        int idgen_delay;
  48        int flowlabel_reflect;
  49        int max_dst_opts_cnt;
  50        int max_hbh_opts_cnt;
  51        int max_dst_opts_len;
  52        int max_hbh_opts_len;
  53        int seg6_flowlabel;
  54        u32 ioam6_id;
  55        u64 ioam6_id_wide;
  56        bool skip_notify_on_dev_down;
  57        u8 fib_notify_on_flag_change;
  58};
  59
  60struct netns_ipv6 {
  61        /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */
  62        struct dst_ops          ip6_dst_ops;
  63
  64        struct netns_sysctl_ipv6 sysctl;
  65        struct ipv6_devconf     *devconf_all;
  66        struct ipv6_devconf     *devconf_dflt;
  67        struct inet_peer_base   *peers;
  68        struct fqdir            *fqdir;
  69        struct fib6_info        *fib6_null_entry;
  70        struct rt6_info         *ip6_null_entry;
  71        struct rt6_statistics   *rt6_stats;
  72        struct timer_list       ip6_fib_timer;
  73        struct hlist_head       *fib_table_hash;
  74        struct fib6_table       *fib6_main_tbl;
  75        struct list_head        fib6_walkers;
  76        rwlock_t                fib6_walker_lock;
  77        spinlock_t              fib6_gc_lock;
  78        unsigned int             ip6_rt_gc_expire;
  79        unsigned long            ip6_rt_last_gc;
  80#ifdef CONFIG_IPV6_MULTIPLE_TABLES
  81        unsigned int            fib6_rules_require_fldissect;
  82        bool                    fib6_has_custom_rules;
  83#ifdef CONFIG_IPV6_SUBTREES
  84        unsigned int            fib6_routes_require_src;
  85#endif
  86        struct rt6_info         *ip6_prohibit_entry;
  87        struct rt6_info         *ip6_blk_hole_entry;
  88        struct fib6_table       *fib6_local_tbl;
  89        struct fib_rules_ops    *fib6_rules_ops;
  90#endif
  91        struct sock * __percpu  *icmp_sk;
  92        struct sock             *ndisc_sk;
  93        struct sock             *tcp_sk;
  94        struct sock             *igmp_sk;
  95        struct sock             *mc_autojoin_sk;
  96#ifdef CONFIG_IPV6_MROUTE
  97#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
  98        struct mr_table         *mrt6;
  99#else
 100        struct list_head        mr6_tables;
 101        struct fib_rules_ops    *mr6_rules_ops;
 102#endif
 103#endif
 104        atomic_t                dev_addr_genid;
 105        atomic_t                fib6_sernum;
 106        struct seg6_pernet_data *seg6_data;
 107        struct fib_notifier_ops *notifier_ops;
 108        struct fib_notifier_ops *ip6mr_notifier_ops;
 109        unsigned int ipmr_seq; /* protected by rtnl_mutex */
 110        struct {
 111                struct hlist_head head;
 112                spinlock_t      lock;
 113                u32             seq;
 114        } ip6addrlbl_table;
 115        struct ioam6_pernet_data *ioam6_data;
 116};
 117
 118#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
 119struct netns_nf_frag {
 120        struct fqdir    *fqdir;
 121};
 122#endif
 123
 124#endif
 125