7 files changed, 58 insertions, 27 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 8a48ade24620..47ed6d23853d 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -667,14 +667,6 @@ static inline void ip_ipgre_mc_map(__be32 naddr, const unsigned char *broadcast,
 		memcpy(buf, &naddr, sizeof(naddr));
 }
 
-#if IS_MODULE(CONFIG_IPV6)
-#define EXPORT_IPV6_MOD(X) EXPORT_SYMBOL(X)
-#define EXPORT_IPV6_MOD_GPL(X) EXPORT_SYMBOL_GPL(X)
-#else
-#define EXPORT_IPV6_MOD(X)
-#define EXPORT_IPV6_MOD_GPL(X)
-#endif
-
 #if IS_ENABLED(CONFIG_IPV6)
 #include <linux/ipv6.h>
 #endif
@@ -694,6 +686,14 @@ static __inline__ void inet_reset_saddr(struct sock *sk)
 
 #endif
 
+#if IS_MODULE(CONFIG_IPV6)
+#define EXPORT_IPV6_MOD(X) EXPORT_SYMBOL(X)
+#define EXPORT_IPV6_MOD_GPL(X) EXPORT_SYMBOL_GPL(X)
+#else
+#define EXPORT_IPV6_MOD(X)
+#define EXPORT_IPV6_MOD_GPL(X)
+#endif
+
 static inline unsigned int ipv4_addr_hash(__be32 ip)
 {
 	return (__force unsigned int) ip;
diff --git a/include/net/netdev_lock.h b/include/net/netdev_lock.h
index 1c0c9a94cc22..c316b551df8d 100644
--- a/include/net/netdev_lock.h
+++ b/include/net/netdev_lock.h
@@ -98,4 +98,7 @@ static inline int netdev_lock_cmp_fn(const struct lockdep_map *a,
 				  &qdisc_xmit_lock_key);	\
 }
 
+int netdev_debug_event(struct notifier_block *nb, unsigned long event,
+		       void *ptr);
+
 #endif
diff --git a/include/net/page_pool/memory_provider.h b/include/net/page_pool/memory_provider.h
index b3e665897767..ada4f968960a 100644
--- a/include/net/page_pool/memory_provider.h
+++ b/include/net/page_pool/memory_provider.h
@@ -6,6 +6,7 @@
 #include <net/page_pool/types.h>
 
 struct netdev_rx_queue;
+struct netlink_ext_ack;
 struct sk_buff;
 
 struct memory_provider_ops {
@@ -24,8 +25,13 @@ void net_mp_niov_clear_page_pool(struct net_iov *niov);
 
 int net_mp_open_rxq(struct net_device *dev, unsigned ifq_idx,
 		    struct pp_memory_provider_params *p);
+int __net_mp_open_rxq(struct net_device *dev, unsigned int rxq_idx,
+		      const struct pp_memory_provider_params *p,
+		      struct netlink_ext_ack *extack);
 void net_mp_close_rxq(struct net_device *dev, unsigned ifq_idx,
 		      struct pp_memory_provider_params *old_p);
+void __net_mp_close_rxq(struct net_device *dev, unsigned int rxq_idx,
+			const struct pp_memory_provider_params *old_p);
 
 /**
   * net_mp_netmem_place_in_cache() - give a netmem to a page pool
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 84e6b9fd5610..d8da764cf6de 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -636,7 +636,7 @@ static inline void sctp_transport_pl_reset(struct sctp_transport *t)
 		}
 	} else {
 		if (t->pl.state != SCTP_PL_DISABLED) {
-			if (del_timer(&t->probe_timer))
+			if (timer_delete(&t->probe_timer))
 				sctp_transport_put(t);
 			t->pl.state = SCTP_PL_DISABLED;
 		}
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 31248cfdfb23..dcd288fa1bb6 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -775,6 +775,7 @@ struct sctp_transport {
 
 	/* Reference counting. */
 	refcount_t refcnt;
+	__u32	dead:1,
 		/* RTO-Pending : A flag used to track if one of the DATA
 		 *		chunks sent to this address is currently being
 		 *		used to compute a RTT. If this flag is 0,
@@ -784,7 +785,7 @@ struct sctp_transport {
 		 *		calculation completes (i.e. the DATA chunk
 		 *		is SACK'd) clear this flag.
 		 */
-	__u32	rto_pending:1,
+		rto_pending:1,
 
 		/*
 		 * hb_sent : a flag that signals that we have a pending
diff --git a/include/net/sock.h b/include/net/sock.h
index 8daf1b3b12c6..694f954258d4 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -339,6 +339,8 @@ struct sk_filter;
   *	@sk_txtime_unused: unused txtime flags
   *	@ns_tracker: tracker for netns reference
   *	@sk_user_frags: xarray of pages the user is holding a reference on.
+  *	@sk_owner: reference to the real owner of the socket that calls
+  *		   sock_lock_init_class_and_name().
   */
 struct sock {
 	/*
@@ -547,6 +549,10 @@ struct sock {
 	struct rcu_head		sk_rcu;
 	netns_tracker		ns_tracker;
 	struct xarray		sk_user_frags;
+
+#if IS_ENABLED(CONFIG_PROVE_LOCKING) && IS_ENABLED(CONFIG_MODULES)
+	struct module		*sk_owner;
+#endif
 };
 
 struct sock_bh_locked {
@@ -1583,6 +1589,35 @@ static inline void sk_mem_uncharge(struct sock *sk, int size)
 	sk_mem_reclaim(sk);
 }
 
+#if IS_ENABLED(CONFIG_PROVE_LOCKING) && IS_ENABLED(CONFIG_MODULES)
+static inline void sk_owner_set(struct sock *sk, struct module *owner)
+{
+	__module_get(owner);
+	sk->sk_owner = owner;
+}
+
+static inline void sk_owner_clear(struct sock *sk)
+{
+	sk->sk_owner = NULL;
+}
+
+static inline void sk_owner_put(struct sock *sk)
+{
+	module_put(sk->sk_owner);
+}
+#else
+static inline void sk_owner_set(struct sock *sk, struct module *owner)
+{
+}
+
+static inline void sk_owner_clear(struct sock *sk)
+{
+}
+
+static inline void sk_owner_put(struct sock *sk)
+{
+}
+#endif
 /*
  * Macro so as to not evaluate some arguments when
  * lockdep is not enabled.
@@ -1592,13 +1627,14 @@ static inline void sk_mem_uncharge(struct sock *sk, int size)
  */
 #define sock_lock_init_class_and_name(sk, sname, skey, name, key)	\
 do {									\
+	sk_owner_set(sk, THIS_MODULE);					\
 	sk->sk_lock.owned = 0;						\
 	init_waitqueue_head(&sk->sk_lock.wq);				\
 	spin_lock_init(&(sk)->sk_lock.slock);				\
 	debug_check_no_locks_freed((void *)&(sk)->sk_lock,		\
-			sizeof((sk)->sk_lock));				\
+				   sizeof((sk)->sk_lock));		\
 	lockdep_set_class_and_name(&(sk)->sk_lock.slock,		\
-				(skey), (sname));				\
+				   (skey), (sname));			\
 	lockdep_init_map(&(sk)->sk_lock.dep_map, (name), (key), 0);	\
 } while (0)
 
diff --git a/include/net/tcp.h b/include/net/tcp.h
index df04dc09c519..4450c384ef17 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -779,7 +779,6 @@ static inline int tcp_bound_to_half_wnd(struct tcp_sock *tp, int pktsize)
 
 /* tcp.c */
 void tcp_get_info(struct sock *, struct tcp_info *);
-void tcp_sock_rfree(struct sk_buff *skb);
 
 /* Read 'sendfile()'-style from a TCP socket */
 int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
@@ -2899,18 +2898,4 @@ enum skb_drop_reason tcp_inbound_hash(struct sock *sk,
 		const void *saddr, const void *daddr,
 		int family, int dif, int sdif);
 
-/* version of skb_set_owner_r() avoiding one atomic_add() */
-static inline void tcp_skb_set_owner_r(struct sk_buff *skb, struct sock *sk)
-{
-	skb_orphan(skb);
-	skb->sk = sk;
-	skb->destructor = tcp_sock_rfree;
-
-	sock_owned_by_me(sk);
-	atomic_set(&sk->sk_rmem_alloc,
-		   atomic_read(&sk->sk_rmem_alloc) + skb->truesize);
-
-	sk_forward_alloc_add(sk, -skb->truesize);
-}
-
 #endif	/* _TCP_H */