4 files changed, 28 insertions, 17 deletions
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index bae914815aa3..ab74b5ed0b01 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -7,9 +7,6 @@
 #include <linux/atomic.h>
 #include <linux/workqueue.h>
 #include <linux/netfilter/nf_conntrack_tcp.h>
-#ifdef CONFIG_NF_CT_PROTO_DCCP
-#include <linux/netfilter/nf_conntrack_dccp.h>
-#endif
 #ifdef CONFIG_NF_CT_PROTO_SCTP
 #include <linux/netfilter/nf_conntrack_sctp.h>
 #endif
@@ -50,13 +47,6 @@ struct nf_icmp_net {
 	unsigned int timeout;
 };
 
-#ifdef CONFIG_NF_CT_PROTO_DCCP
-struct nf_dccp_net {
-	u8 dccp_loose;
-	unsigned int dccp_timeout[CT_DCCP_MAX + 1];
-};
-#endif
-
 #ifdef CONFIG_NF_CT_PROTO_SCTP
 struct nf_sctp_net {
 	unsigned int timeouts[SCTP_CONNTRACK_MAX];
@@ -82,9 +72,6 @@ struct nf_ip_net {
 	struct nf_udp_net	udp;
 	struct nf_icmp_net	icmp;
 	struct nf_icmp_net	icmpv6;
-#ifdef CONFIG_NF_CT_PROTO_DCCP
-	struct nf_dccp_net	dccp;
-#endif
 #ifdef CONFIG_NF_CT_PROTO_SCTP
 	struct nf_sctp_net	sctp;
 #endif
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 650b2dc9199f..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.
@@ -85,6 +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;
@@ -277,4 +287,5 @@ struct netns_ipv4 {
 	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/mctp.h b/include/net/netns/mctp.h
index 1db8f9aaddb4..89555f90b97b 100644
--- a/include/net/netns/mctp.h
+++ b/include/net/netns/mctp.h
@@ -6,19 +6,25 @@
 #ifndef __NETNS_MCTP_H__
 #define __NETNS_MCTP_H__
 
+#include <linux/hash.h>
+#include <linux/hashtable.h>
 #include <linux/mutex.h>
 #include <linux/types.h>
 
+#define MCTP_BINDS_BITS 7
+
 struct netns_mctp {
 	/* Only updated under RTNL, entries freed via RCU */
 	struct list_head routes;
 
-	/* Bound sockets: list of sockets bound by type.
-	 * This list is updated from non-atomic contexts (under bind_lock),
-	 * and read (under rcu) in packet rx
+	/* Bound sockets: hash table of sockets, keyed by
+	 * (type, src_eid, dest_eid).
+	 * Specific src_eid/dest_eid entries also have an entry for
+	 * MCTP_ADDR_ANY. This list is updated from non-atomic contexts
+	 * (under bind_lock), and read (under rcu) in packet rx.
 	 */
 	struct mutex bind_lock;
-	struct hlist_head binds;
+	DECLARE_HASHTABLE(binds, MCTP_BINDS_BITS);
 
 	/* tag allocations. This list is read and updated from atomic contexts,
 	 * but elements are free()ed after a RCU grace-period
@@ -34,4 +40,10 @@ struct netns_mctp {
 	struct list_head neighbours;
 };
 
+static inline u32 mctp_bind_hash(u8 type, u8 local_addr, u8 peer_addr)
+{
+	return hash_32(type | (u32)local_addr << 8 | (u32)peer_addr << 16,
+		       MCTP_BINDS_BITS);
+}
+
 #endif /* __NETNS_MCTP_H__ */