1 /* SPDX-License-Identifier: GPL-2.0 */
3 * ipv6 in net namespaces
6 #include <net/inet_frag.h>
8 #ifndef __NETNS_IPV6_H__
9 #define __NETNS_IPV6_H__
10 #include <net/dst_ops.h>
11 #include <uapi/linux/icmpv6.h>
13 struct ctl_table_header;
15 struct netns_sysctl_ipv6 {
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;
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;
34 u8 flowlabel_consistency;
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;
45 u8 flowlabel_state_ranges;
48 int flowlabel_reflect;
56 u8 skip_notify_on_dev_down;
57 u8 fib_notify_on_flag_change;
58 u8 icmpv6_error_anycast_as_unicast;
62 /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */
63 struct dst_ops ip6_dst_ops;
65 struct netns_sysctl_ipv6 sysctl;
66 struct ipv6_devconf *devconf_all;
67 struct ipv6_devconf *devconf_dflt;
68 struct inet_peer_base *peers;
70 struct fib6_info *fib6_null_entry;
71 struct rt6_info *ip6_null_entry;
72 struct rt6_statistics *rt6_stats;
73 struct timer_list ip6_fib_timer;
74 struct hlist_head *fib_table_hash;
75 struct fib6_table *fib6_main_tbl;
76 struct list_head fib6_walkers;
77 rwlock_t fib6_walker_lock;
78 spinlock_t fib6_gc_lock;
79 atomic_t ip6_rt_gc_expire;
80 unsigned long ip6_rt_last_gc;
81 unsigned char flowlabel_has_excl;
82 #ifdef CONFIG_IPV6_MULTIPLE_TABLES
83 bool fib6_has_custom_rules;
84 unsigned int fib6_rules_require_fldissect;
85 #ifdef CONFIG_IPV6_SUBTREES
86 unsigned int fib6_routes_require_src;
88 struct rt6_info *ip6_prohibit_entry;
89 struct rt6_info *ip6_blk_hole_entry;
90 struct fib6_table *fib6_local_tbl;
91 struct fib_rules_ops *fib6_rules_ops;
93 struct sock *ndisc_sk;
96 struct sock *mc_autojoin_sk;
98 struct hlist_head *inet6_addr_lst;
99 spinlock_t addrconf_hash_lock;
100 struct delayed_work addr_chk_work;
102 #ifdef CONFIG_IPV6_MROUTE
103 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
104 struct mr_table *mrt6;
106 struct list_head mr6_tables;
107 struct fib_rules_ops *mr6_rules_ops;
110 atomic_t dev_addr_genid;
111 atomic_t fib6_sernum;
112 struct seg6_pernet_data *seg6_data;
113 struct fib_notifier_ops *notifier_ops;
114 struct fib_notifier_ops *ip6mr_notifier_ops;
115 unsigned int ipmr_seq; /* protected by rtnl_mutex */
117 struct hlist_head head;
121 struct ioam6_pernet_data *ioam6_data;
124 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
125 struct netns_nf_frag {