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