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 icmpv6_echo_ignore_all; 36 int anycast_src_echo_reply; 37 int ip_nonlocal_bind; 38 int fwmark_reflect; 39 int idgen_retries; 40 int idgen_delay; 41 int flowlabel_state_ranges; 42 int flowlabel_reflect; 43 int max_dst_opts_cnt; 44 int max_hbh_opts_cnt; 45 int max_dst_opts_len; 46 int max_hbh_opts_len; 47 int seg6_flowlabel; 48 bool skip_notify_on_dev_down; 49 }; 50 51 struct netns_ipv6 { 52 struct netns_sysctl_ipv6 sysctl; 53 struct ipv6_devconf *devconf_all; 54 struct ipv6_devconf *devconf_dflt; 55 struct inet_peer_base *peers; 56 struct netns_frags frags; 57 #ifdef CONFIG_NETFILTER 58 struct xt_table *ip6table_filter; 59 struct xt_table *ip6table_mangle; 60 struct xt_table *ip6table_raw; 61 #ifdef CONFIG_SECURITY 62 struct xt_table *ip6table_security; 63 #endif 64 struct xt_table *ip6table_nat; 65 #endif 66 struct fib6_info *fib6_null_entry; 67 struct rt6_info *ip6_null_entry; 68 struct rt6_statistics *rt6_stats; 69 struct timer_list ip6_fib_timer; 70 struct hlist_head *fib_table_hash; 71 struct fib6_table *fib6_main_tbl; 72 struct list_head fib6_walkers; 73 struct dst_ops ip6_dst_ops; 74 rwlock_t fib6_walker_lock; 75 spinlock_t fib6_gc_lock; 76 unsigned int ip6_rt_gc_expire; 77 unsigned long ip6_rt_last_gc; 78 #ifdef CONFIG_IPV6_MULTIPLE_TABLES 79 unsigned int fib6_rules_require_fldissect; 80 bool fib6_has_custom_rules; 81 struct rt6_info *ip6_prohibit_entry; 82 struct rt6_info *ip6_blk_hole_entry; 83 struct fib6_table *fib6_local_tbl; 84 struct fib_rules_ops *fib6_rules_ops; 85 #endif 86 struct sock **icmp_sk; 87 struct sock *ndisc_sk; 88 struct sock *tcp_sk; 89 struct sock *igmp_sk; 90 struct sock *mc_autojoin_sk; 91 #ifdef CONFIG_IPV6_MROUTE 92 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES 93 struct mr_table *mrt6; 94 #else 95 struct list_head mr6_tables; 96 struct fib_rules_ops *mr6_rules_ops; 97 #endif 98 #endif 99 atomic_t dev_addr_genid; 100 atomic_t fib6_sernum; 101 struct seg6_pernet_data *seg6_data; 102 struct fib_notifier_ops *notifier_ops; 103 struct fib_notifier_ops *ip6mr_notifier_ops; 104 unsigned int ipmr_seq; /* protected by rtnl_mutex */ 105 struct { 106 struct hlist_head head; 107 spinlock_t lock; 108 u32 seq; 109 } ip6addrlbl_table; 110 }; 111 112 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) 113 struct netns_nf_frag { 114 struct netns_frags frags; 115 }; 116 #endif 117 118 #endif 119