v4.19.13 snapshot.
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
new file mode 100644
index 0000000..f0e396a
--- /dev/null
+++ b/include/net/netns/ipv6.h
@@ -0,0 +1,117 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * ipv6 in net namespaces
+ */
+
+#include <net/inet_frag.h>
+
+#ifndef __NETNS_IPV6_H__
+#define __NETNS_IPV6_H__
+#include <net/dst_ops.h>
+
+struct ctl_table_header;
+
+struct netns_sysctl_ipv6 {
+#ifdef CONFIG_SYSCTL
+ struct ctl_table_header *hdr;
+ struct ctl_table_header *route_hdr;
+ struct ctl_table_header *icmp_hdr;
+ struct ctl_table_header *frags_hdr;
+ struct ctl_table_header *xfrm6_hdr;
+#endif
+ int bindv6only;
+ int flush_delay;
+ int ip6_rt_max_size;
+ int ip6_rt_gc_min_interval;
+ int ip6_rt_gc_timeout;
+ int ip6_rt_gc_interval;
+ int ip6_rt_gc_elasticity;
+ int ip6_rt_mtu_expires;
+ int ip6_rt_min_advmss;
+ int multipath_hash_policy;
+ int flowlabel_consistency;
+ int auto_flowlabels;
+ int icmpv6_time;
+ int icmpv6_echo_ignore_all;
+ int anycast_src_echo_reply;
+ int ip_nonlocal_bind;
+ int fwmark_reflect;
+ int idgen_retries;
+ int idgen_delay;
+ int flowlabel_state_ranges;
+ int flowlabel_reflect;
+ int max_dst_opts_cnt;
+ int max_hbh_opts_cnt;
+ int max_dst_opts_len;
+ int max_hbh_opts_len;
+ int seg6_flowlabel;
+};
+
+struct netns_ipv6 {
+ struct netns_sysctl_ipv6 sysctl;
+ struct ipv6_devconf *devconf_all;
+ struct ipv6_devconf *devconf_dflt;
+ struct inet_peer_base *peers;
+ struct netns_frags frags;
+#ifdef CONFIG_NETFILTER
+ struct xt_table *ip6table_filter;
+ struct xt_table *ip6table_mangle;
+ struct xt_table *ip6table_raw;
+#ifdef CONFIG_SECURITY
+ struct xt_table *ip6table_security;
+#endif
+ struct xt_table *ip6table_nat;
+#endif
+ struct fib6_info *fib6_null_entry;
+ struct rt6_info *ip6_null_entry;
+ struct rt6_statistics *rt6_stats;
+ struct timer_list ip6_fib_timer;
+ struct hlist_head *fib_table_hash;
+ struct fib6_table *fib6_main_tbl;
+ struct list_head fib6_walkers;
+ struct dst_ops ip6_dst_ops;
+ rwlock_t fib6_walker_lock;
+ spinlock_t fib6_gc_lock;
+ unsigned int ip6_rt_gc_expire;
+ unsigned long ip6_rt_last_gc;
+#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+ unsigned int fib6_rules_require_fldissect;
+ bool fib6_has_custom_rules;
+ struct rt6_info *ip6_prohibit_entry;
+ struct rt6_info *ip6_blk_hole_entry;
+ struct fib6_table *fib6_local_tbl;
+ struct fib_rules_ops *fib6_rules_ops;
+#endif
+ struct sock **icmp_sk;
+ struct sock *ndisc_sk;
+ struct sock *tcp_sk;
+ struct sock *igmp_sk;
+ struct sock *mc_autojoin_sk;
+#ifdef CONFIG_IPV6_MROUTE
+#ifndef CONFIG_IPV6_MROUTE_MULTIPLE_TABLES
+ struct mr_table *mrt6;
+#else
+ struct list_head mr6_tables;
+ struct fib_rules_ops *mr6_rules_ops;
+#endif
+#endif
+ atomic_t dev_addr_genid;
+ atomic_t fib6_sernum;
+ struct seg6_pernet_data *seg6_data;
+ struct fib_notifier_ops *notifier_ops;
+ struct fib_notifier_ops *ip6mr_notifier_ops;
+ unsigned int ipmr_seq; /* protected by rtnl_mutex */
+ struct {
+ struct hlist_head head;
+ spinlock_t lock;
+ u32 seq;
+ } ip6addrlbl_table;
+};
+
+#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
+struct netns_nf_frag {
+ struct netns_frags frags;
+};
+#endif
+
+#endif