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