4 files changed, 24 insertions, 4 deletions

diff --git a/include/net/netns/core.h b/include/net/netns/core.h
index 78214f1b43a2..9b36f0ff0c20 100644
--- a/include/net/netns/core.h
+++ b/include/net/netns/core.h
@@ -15,6 +15,7 @@ struct netns_core {
 	int	sysctl_somaxconn;
 	int	sysctl_optmem_max;
 	u8	sysctl_txrehash;
+	u8	sysctl_tstamp_allow_data;
 
 #ifdef CONFIG_PROC_FS
 	struct prot_inuse __percpu *prot_inuse;
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 276f622f3516..6373e3f17da8 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -47,6 +47,11 @@ struct sysctl_fib_multipath_hash_seed {
 };
 #endif
 
+struct udp_tunnel_gro {
+	struct sock __rcu *sk;
+	struct hlist_head list;
+};
+
 struct netns_ipv4 {
 	/* Cacheline organization can be found documented in
 	 * Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst.
@@ -76,6 +81,8 @@ struct netns_ipv4 {
 	__cacheline_group_begin(netns_ipv4_read_rx);
 	u8 sysctl_ip_early_demux;
 	u8 sysctl_tcp_early_demux;
+	u8 sysctl_tcp_l3mdev_accept;
+	/* 3 bytes hole, try to pack */
 	int sysctl_tcp_reordering;
 	int sysctl_tcp_rmem[3];
 	__cacheline_group_end(netns_ipv4_read_rx);
@@ -83,6 +90,11 @@ struct netns_ipv4 {
 	struct inet_timewait_death_row tcp_death_row;
 	struct udp_table *udp_table;
 
+#if IS_ENABLED(CONFIG_NET_UDP_TUNNEL)
+	/* Not in a pernet subsys because need to be available at GRO stage */
+	struct udp_tunnel_gro udp_tunnel_gro[2];
+#endif
+
 #ifdef CONFIG_SYSCTL
 	struct ctl_table_header	*forw_hdr;
 	struct ctl_table_header	*frags_hdr;
@@ -109,6 +121,9 @@ struct netns_ipv4 {
 #endif
 	struct hlist_head	*fib_table_hash;
 	struct sock		*fibnl;
+	struct hlist_head	*fib_info_hash;
+	unsigned int		fib_info_hash_bits;
+	unsigned int		fib_info_cnt;
 
 	struct sock		*mc_autojoin_sk;
 
@@ -151,9 +166,6 @@ struct netns_ipv4 {
 
 	u8 sysctl_fwmark_reflect;
 	u8 sysctl_tcp_fwmark_accept;
-#ifdef CONFIG_NET_L3_MASTER_DEV
-	u8 sysctl_tcp_l3mdev_accept;
-#endif
 	u8 sysctl_tcp_mtu_probing;
 	int sysctl_tcp_mtu_probe_floor;
 	int sysctl_tcp_base_mss;
@@ -176,11 +188,13 @@ struct netns_ipv4 {
 	u8 sysctl_tcp_retries2;
 	u8 sysctl_tcp_orphan_retries;
 	u8 sysctl_tcp_tw_reuse;
+	unsigned int sysctl_tcp_tw_reuse_delay;
 	int sysctl_tcp_fin_timeout;
 	u8 sysctl_tcp_sack;
 	u8 sysctl_tcp_window_scaling;
 	u8 sysctl_tcp_timestamps;
 	int sysctl_tcp_rto_min_us;
+	int sysctl_tcp_rto_max_ms;
 	u8 sysctl_tcp_recovery;
 	u8 sysctl_tcp_thin_linear_timeouts;
 	u8 sysctl_tcp_slow_start_after_idle;
@@ -263,12 +277,15 @@ struct netns_ipv4 {
 #endif
 
 	struct fib_notifier_ops	*notifier_ops;
-	unsigned int	fib_seq;	/* protected by rtnl_mutex */
+	unsigned int	fib_seq;	/* writes protected by rtnl_mutex */
 
 	struct fib_notifier_ops	*ipmr_notifier_ops;
 	unsigned int	ipmr_seq;	/* protected by rtnl_mutex */
 
 	atomic_t	rt_genid;
 	siphash_key_t	ip_id_key;
+	struct hlist_head	*inet_addr_lst;
+	struct delayed_work	addr_chk_work;
 };
+
 #endif
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 5f2cfd84570a..47dc70d8100a 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -72,6 +72,7 @@ struct netns_ipv6 {
 	struct rt6_statistics   *rt6_stats;
 	struct timer_list       ip6_fib_timer;
 	struct hlist_head       *fib_table_hash;
+	spinlock_t		fib_table_hash_lock;
 	struct fib6_table       *fib6_main_tbl;
 	struct list_head	fib6_walkers;
 	rwlock_t		fib6_walker_lock;
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index ae60d6664095..23dd647fe024 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -43,6 +43,7 @@ struct netns_xfrm {
 	struct hlist_head	__rcu *state_bysrc;
 	struct hlist_head	__rcu *state_byspi;
 	struct hlist_head	__rcu *state_byseq;
+	struct hlist_head	 __percpu *state_cache_input;
 	unsigned int		state_hmask;
 	unsigned int		state_num;
 	struct work_struct	state_hash_work;