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 13 struct ctl_table_header; 14 15 struct 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 u8 bindv6only; 32 u8 multipath_hash_policy; 33 u8 flowlabel_consistency; 34 u8 auto_flowlabels; 35 int icmpv6_time; 36 u8 icmpv6_echo_ignore_all; 37 u8 icmpv6_echo_ignore_multicast; 38 u8 icmpv6_echo_ignore_anycast; 39 DECLARE_BITMAP(icmpv6_ratemask, ICMPV6_MSG_MAX + 1); 40 unsigned long *icmpv6_ratemask_ptr; 41 u8 anycast_src_echo_reply; 42 u8 ip_nonlocal_bind; 43 u8 fwmark_reflect; 44 u8 flowlabel_state_ranges; 45 int idgen_retries; 46 int idgen_delay; 47 int flowlabel_reflect; 48 int max_dst_opts_cnt; 49 int max_hbh_opts_cnt; 50 int max_dst_opts_len; 51 int max_hbh_opts_len; 52 int seg6_flowlabel; 53 bool skip_notify_on_dev_down; 54 u8 fib_notify_on_flag_change; 55 }; 56 57 struct netns_ipv6 { 58 /* Keep ip6_dst_ops at the beginning of netns_sysctl_ipv6 */ 59 struct dst_ops ip6_dst_ops; 60 61 struct netns_sysctl_ipv6 sysctl; 62 struct ipv6_devconf *devconf_all; 63 struct ipv6_devconf *devconf_dflt; 64 struct inet_peer_base *peers; 65 struct fqdir *fqdir; 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 rwlock_t fib6_walker_lock; 74 spinlock_t fib6_gc_lock; 75 unsigned int ip6_rt_gc_expire; 76 unsigned long ip6_rt_last_gc; 77 #ifdef CONFIG_IPV6_MULTIPLE_TABLES 78 unsigned int fib6_rules_require_fldissect; 79 bool fib6_has_custom_rules; 80 #ifdef CONFIG_IPV6_SUBTREES 81 unsigned int fib6_routes_require_src; 82 #endif 83 struct rt6_info *ip6_prohibit_entry; 84 struct rt6_info *ip6_blk_hole_entry; 85 struct fib6_table *fib6_local_tbl; 86 struct fib_rules_ops *fib6_rules_ops; 87 #endif 88 struct sock * __percpu *icmp_sk; 89 struct sock *ndisc_sk; 90 struct sock *tcp_sk; 91 struct sock *igmp_sk; 92 struct sock *mc_autojoin_sk; 93 #ifdef CONFIG_IPV6_MROUTE 94 #ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES 95 struct mr_table *mrt6; 96 #else 97 struct list_head mr6_tables; 98 struct fib_rules_ops *mr6_rules_ops; 99 #endif 100 #endif 101 atomic_t dev_addr_genid; 102 atomic_t fib6_sernum; 103 struct seg6_pernet_data *seg6_data; 104 struct fib_notifier_ops *notifier_ops; 105 struct fib_notifier_ops *ip6mr_notifier_ops; 106 unsigned int ipmr_seq; /* protected by rtnl_mutex */ 107 struct { 108 struct hlist_head head; 109 spinlock_t lock; 110 u32 seq; 111 } ip6addrlbl_table; 112 }; 113 114 #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) 115 struct netns_nf_frag { 116 struct fqdir *fqdir; 117 }; 118 #endif 119 120 #endif 121