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138 lines · 3.4 KiB

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
34 __cacheline_group_begin(sysctl_ipv6_flowlabel);
35 u8 flowlabel_consistency;
36 u8 auto_flowlabels;
37 u8 flowlabel_state_ranges;
38 __cacheline_group_end(sysctl_ipv6_flowlabel);
39
40 u8 icmpv6_echo_ignore_all;
41 u8 icmpv6_echo_ignore_multicast;
42 u8 icmpv6_echo_ignore_anycast;
43 int icmpv6_time;
44 DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1);
45 unsigned long *icmpv6_ratemask_ptr;
46 u8 anycast_src_echo_reply;
47 u8 bindv6only;
48 u8 ip_nonlocal_bind;
49 u8 fwmark_reflect;
50 int idgen_retries;
51 int idgen_delay;
52 int flowlabel_reflect;
53 int max_dst_opts_cnt;
54 int max_hbh_opts_cnt;
55 int max_dst_opts_len;
56 int max_hbh_opts_len;
57 int seg6_flowlabel;
58 u32 ioam6_id;
59 u64 ioam6_id_wide;
60 u8 skip_notify_on_dev_down;
61 u8 fib_notify_on_flag_change;
62 u8 icmpv6_error_anycast_as_unicast;
63 u8 icmpv6_errors_extension_mask;
64};
65
66struct netns_ipv6 {
67 /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */
68 struct dst_ops ip6_dst_ops;
69
70 struct netns_sysctl_ipv6 sysctl;
71 struct ipv6_devconf *devconf_all;
72 struct ipv6_devconf *devconf_dflt;
73 struct inet_peer_base *peers;
74 struct fqdir *fqdir;
75 struct fib6_info *fib6_null_entry;
76 struct rt6_info *ip6_null_entry;
77 struct rt6_statistics *rt6_stats;
78 struct timer_list ip6_fib_timer;
79 struct hlist_head *fib_table_hash;
80 spinlock_t fib_table_hash_lock;
81 struct fib6_table *fib6_main_tbl;
82 struct list_head fib6_walkers;
83 rwlock_t fib6_walker_lock;
84 spinlock_t fib6_gc_lock;
85 atomic_t ip6_rt_gc_expire;
86 unsigned long ip6_rt_last_gc;
87 unsigned char flowlabel_has_excl;
88#ifdef CONFIG_IPV6_MULTIPLE_TABLES
89 bool fib6_has_custom_rules;
90 unsigned int fib6_rules_require_fldissect;
91#ifdef CONFIG_IPV6_SUBTREES
92 unsigned int fib6_routes_require_src;
93#endif
94 struct rt6_info *ip6_prohibit_entry;
95 struct rt6_info *ip6_blk_hole_entry;
96 struct fib6_table *fib6_local_tbl;
97 struct fib_rules_ops *fib6_rules_ops;
98#endif
99 struct sock *ndisc_sk;
100 struct sock *tcp_sk;
101 struct sock *igmp_sk;
102 struct sock *mc_autojoin_sk;
103
104 struct hlist_head *inet6_addr_lst;
105 spinlock_t addrconf_hash_lock;
106 struct delayed_work addr_chk_work;
107
108#ifdef CONFIG_IPV6_MROUTE
109#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
110 struct mr_table *mrt6;
111#else
112 struct list_head mr6_tables;
113 struct fib_rules_ops *mr6_rules_ops;
114#endif
115 struct fib_notifier_ops *ip6mr_notifier_ops;
116 atomic_t ipmr_seq;
117 struct mutex mfc_mutex;
118#endif
119 atomic_t dev_addr_genid;
120 atomic_t fib6_sernum;
121 struct seg6_pernet_data *seg6_data;
122 struct fib_notifier_ops *notifier_ops;
123 int flowlabel_count;
124 struct {
125 struct hlist_head head;
126 spinlock_t lock;
127 u32 seq;
128 } ip6addrlbl_table;
129 struct ioam6_pernet_data *ioam6_data;
130};
131
132#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
133struct netns_nf_frag {
134 struct fqdir *fqdir;
135};
136#endif
137
138#endif