Merge tag 'v5.1' into next

Sync up with mainline to bring in the latest APIs.

104 files changed, 2795 insertions, 890 deletions

diff --git a/include/net/act_api.h b/include/net/act_api.h
index 05c7df41d737..c61a1bf4e3de 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -39,7 +39,7 @@ struct tc_action {
 	struct gnet_stats_basic_cpu __percpu *cpu_bstats_hw;
 	struct gnet_stats_queue __percpu *cpu_qstats;
 	struct tc_cookie	__rcu *act_cookie;
-	struct tcf_chain	*goto_chain;
+	struct tcf_chain	__rcu *goto_chain;
 };
 #define tcf_index	common.tcfa_index
 #define tcf_refcnt	common.tcfa_refcnt
@@ -80,7 +80,7 @@ static inline void tcf_tm_dump(struct tcf_t *dtm, const struct tcf_t *stm)
 struct tc_action_ops {
 	struct list_head head;
 	char    kind[IFNAMSIZ];
-	__u32   type; /* TBD to match kind */
+	enum tca_id  id; /* identifier should match kind */
 	size_t	size;
 	struct module		*owner;
 	int     (*act)(struct sk_buff *, const struct tc_action *,
@@ -90,7 +90,7 @@ struct tc_action_ops {
 	int     (*lookup)(struct net *net, struct tc_action **a, u32 index);
 	int     (*init)(struct net *net, struct nlattr *nla,
 			struct nlattr *est, struct tc_action **act, int ovr,
-			int bind, bool rtnl_held,
+			int bind, bool rtnl_held, struct tcf_proto *tp,
 			struct netlink_ext_ack *extack);
 	int     (*walk)(struct net *, struct sk_buff *,
 			struct netlink_callback *, int,
@@ -181,6 +181,11 @@ int tcf_action_dump_old(struct sk_buff *skb, struct tc_action *a, int, int);
 int tcf_action_dump_1(struct sk_buff *skb, struct tc_action *a, int, int);
 int tcf_action_copy_stats(struct sk_buff *, struct tc_action *, int);
 
+int tcf_action_check_ctrlact(int action, struct tcf_proto *tp,
+			     struct tcf_chain **handle,
+			     struct netlink_ext_ack *newchain);
+struct tcf_chain *tcf_action_set_ctrlact(struct tc_action *a, int action,
+					 struct tcf_chain *newchain);
 #endif /* CONFIG_NET_CLS_ACT */
 
 static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
@@ -194,35 +199,5 @@ static inline void tcf_action_stats_update(struct tc_action *a, u64 bytes,
 #endif
 }
 
-#ifdef CONFIG_NET_CLS_ACT
-int tc_setup_cb_egdev_register(const struct net_device *dev,
-			       tc_setup_cb_t *cb, void *cb_priv);
-void tc_setup_cb_egdev_unregister(const struct net_device *dev,
-				  tc_setup_cb_t *cb, void *cb_priv);
-int tc_setup_cb_egdev_call(const struct net_device *dev,
-			   enum tc_setup_type type, void *type_data,
-			   bool err_stop);
-#else
-static inline
-int tc_setup_cb_egdev_register(const struct net_device *dev,
-			       tc_setup_cb_t *cb, void *cb_priv)
-{
-	return 0;
-}
-
-static inline
-void tc_setup_cb_egdev_unregister(const struct net_device *dev,
-				  tc_setup_cb_t *cb, void *cb_priv)
-{
-}
-
-static inline
-int tc_setup_cb_egdev_call(const struct net_device *dev,
-			   enum tc_setup_type type, void *type_data,
-			   bool err_stop)
-{
-	return 0;
-}
-#endif
 
 #endif
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 1656c5978498..269ec27385e9 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -49,6 +49,7 @@ struct prefix_info {
 	struct in6_addr		prefix;
 };
 
+#include <linux/ipv6.h>
 #include <linux/netdevice.h>
 #include <net/if_inet6.h>
 #include <net/ipv6.h>
@@ -201,6 +202,15 @@ u32 ipv6_addr_label(struct net *net, const struct in6_addr *addr,
 /*
  *	multicast prototypes (mcast.c)
  */
+static inline int ipv6_mc_may_pull(struct sk_buff *skb,
+				   unsigned int len)
+{
+	if (skb_transport_offset(skb) + ipv6_transport_len(skb) < len)
+		return -EINVAL;
+
+	return pskb_may_pull(skb, len);
+}
+
 int ipv6_sock_mc_join(struct sock *sk, int ifindex,
 		      const struct in6_addr *addr);
 int ipv6_sock_mc_drop(struct sock *sk, int ifindex,
@@ -219,7 +229,8 @@ void ipv6_mc_unmap(struct inet6_dev *idev);
 void ipv6_mc_remap(struct inet6_dev *idev);
 void ipv6_mc_init_dev(struct inet6_dev *idev);
 void ipv6_mc_destroy_dev(struct inet6_dev *idev);
-int ipv6_mc_check_mld(struct sk_buff *skb, struct sk_buff **skb_trimmed);
+int ipv6_mc_check_icmpv6(struct sk_buff *skb);
+int ipv6_mc_check_mld(struct sk_buff *skb);
 void addrconf_dad_failure(struct sk_buff *skb, struct inet6_ifaddr *ifp);
 
 bool ipv6_chk_mcast_addr(struct net_device *dev, const struct in6_addr *group,
@@ -237,6 +248,7 @@ struct ipv6_stub {
 				 const struct in6_addr *addr);
 	int (*ipv6_dst_lookup)(struct net *net, struct sock *sk,
 			       struct dst_entry **dst, struct flowi6 *fl6);
+	int (*ipv6_route_input)(struct sk_buff *skb);
 
 	struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
 	struct fib6_info *(*fib6_lookup)(struct net *net, int oif,
@@ -489,6 +501,20 @@ static inline bool ipv6_addr_is_solict_mult(const struct in6_addr *addr)
 #endif
 }
 
+static inline bool ipv6_addr_is_all_snoopers(const struct in6_addr *addr)
+{
+#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
+	__be64 *p = (__be64 *)addr;
+
+	return ((p[0] ^ cpu_to_be64(0xff02000000000000UL)) |
+		(p[1] ^ cpu_to_be64(0x6a))) == 0UL;
+#else
+	return ((addr->s6_addr32[0] ^ htonl(0xff020000)) |
+		addr->s6_addr32[1] | addr->s6_addr32[2] |
+		(addr->s6_addr32[3] ^ htonl(0x0000006a))) == 0;
+#endif
+}
+
 #ifdef CONFIG_PROC_FS
 int if6_proc_init(void);
 void if6_proc_exit(void);
diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h
index 1adefe42c0a6..78c856cba4f5 100644
--- a/include/net/af_rxrpc.h
+++ b/include/net/af_rxrpc.h
@@ -21,18 +21,6 @@ struct socket;
 struct rxrpc_call;
 
 /*
- * Call completion condition (state == RXRPC_CALL_COMPLETE).
- */
-enum rxrpc_call_completion {
-	RXRPC_CALL_SUCCEEDED,		/* - Normal termination */
-	RXRPC_CALL_REMOTELY_ABORTED,	/* - call aborted by peer */
-	RXRPC_CALL_LOCALLY_ABORTED,	/* - call aborted locally on error or close */
-	RXRPC_CALL_LOCAL_ERROR,		/* - call failed due to local error */
-	RXRPC_CALL_NETWORK_ERROR,	/* - call terminated by network error */
-	NR__RXRPC_CALL_COMPLETIONS
-};
-
-/*
  * Debug ID counter for tracing.
  */
 extern atomic_t rxrpc_debug_id;
@@ -73,14 +61,12 @@ int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
 			       rxrpc_user_attach_call_t, unsigned long, gfp_t,
 			       unsigned int);
 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
-int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *,
-			    struct sockaddr_rxrpc *, struct key *);
-int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *,
-			    enum rxrpc_call_completion *, u32 *);
-u32 rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
+bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
+			     u32 *);
 void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
 bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
 				 ktime_t *);
+bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
 
 #endif /* _NET_RXRPC_H */
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index ddbba838d048..3426d6dacc45 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -10,6 +10,7 @@
 
 void unix_inflight(struct user_struct *user, struct file *fp);
 void unix_notinflight(struct user_struct *user, struct file *fp);
+void unix_destruct_scm(struct sk_buff *skb);
 void unix_gc(void);
 void wait_for_unix_gc(void);
 struct sock *unix_get_socket(struct file *filp);
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 3f9aea8087e3..8b7eb46ad72d 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -201,6 +201,18 @@ static inline void ax25_hold_route(ax25_route *ax25_rt)
 
 void __ax25_put_route(ax25_route *ax25_rt);
 
+extern rwlock_t ax25_route_lock;
+
+static inline void ax25_route_lock_use(void)
+{
+	read_lock(&ax25_route_lock);
+}
+
+static inline void ax25_route_lock_unuse(void)
+{
+	read_unlock(&ax25_route_lock);
+}
+
 static inline void ax25_put_route(ax25_route *ax25_rt)
 {
 	if (refcount_dec_and_test(&ax25_rt->refcount))
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index ec9d6bc65855..fabee6db0abb 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -276,7 +276,7 @@ int  bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
 int  bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo);
 int  bt_sock_wait_ready(struct sock *sk, unsigned long flags);
 
-void bt_accept_enqueue(struct sock *parent, struct sock *sk);
+void bt_accept_enqueue(struct sock *parent, struct sock *sk, bool bh);
 void bt_accept_unlink(struct sock *sk);
 struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock);
 
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index c36dc1e20556..fbba43e9bef5 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -158,6 +158,18 @@ enum {
 	 */
 	HCI_QUIRK_INVALID_BDADDR,
 
+	/* When this quirk is set, the public Bluetooth address
+	 * initially reported by HCI Read BD Address command
+	 * is considered invalid. The public BD Address can be
+	 * specified in the fwnode property 'local-bd-address'.
+	 * If this property does not exist or is invalid controller
+	 * configuration is required before this device can be used.
+	 *
+	 * This quirk can be set before hci_register_dev is called or
+	 * during the hdev->setup vendor callback.
+	 */
+	HCI_QUIRK_USE_BDADDR_PROPERTY,
+
 	/* When this quirk is set, the duplicate filtering during
 	 * scanning is based on Bluetooth devices addresses. To allow
 	 * RSSI based updates, restart scanning if needed.
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index e5ea633ea368..094e61e07030 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -437,6 +437,7 @@ struct hci_dev {
 	int (*post_init)(struct hci_dev *hdev);
 	int (*set_diag)(struct hci_dev *hdev, bool enable);
 	int (*set_bdaddr)(struct hci_dev *hdev, const bdaddr_t *bdaddr);
+	void (*cmd_timeout)(struct hci_dev *hdev);
 };
 
 #define HCI_PHY_HANDLE(handle)	(handle & 0xff)
diff --git a/include/net/bond_3ad.h b/include/net/bond_3ad.h
index fc3111515f5c..c781e1afd683 100644
--- a/include/net/bond_3ad.h
+++ b/include/net/bond_3ad.h
@@ -180,6 +180,19 @@ struct port;
 #pragma pack(8)
 #endif
 
+struct bond_3ad_stats {
+	atomic64_t lacpdu_rx;
+	atomic64_t lacpdu_tx;
+	atomic64_t lacpdu_unknown_rx;
+	atomic64_t lacpdu_illegal_rx;
+
+	atomic64_t marker_rx;
+	atomic64_t marker_tx;
+	atomic64_t marker_resp_rx;
+	atomic64_t marker_resp_tx;
+	atomic64_t marker_unknown_rx;
+};
+
 /* aggregator structure(43.4.5 in the 802.3ad standard) */
 typedef struct aggregator {
 	struct mac_addr aggregator_mac_address;
@@ -265,6 +278,7 @@ struct ad_system {
 
 struct ad_bond_info {
 	struct ad_system system;	/* 802.3ad system structure */
+	struct bond_3ad_stats stats;
 	u32 agg_select_timer;		/* Timer to select aggregator after all adapter's hand shakes */
 	u16 aggregator_identifier;
 };
@@ -272,6 +286,7 @@ struct ad_bond_info {
 struct ad_slave_info {
 	struct aggregator aggregator;	/* 802.3ad aggregator structure */
 	struct port port;		/* 802.3ad port structure */
+	struct bond_3ad_stats stats;
 	u16 id;
 };
 
@@ -307,5 +322,7 @@ int bond_3ad_lacpdu_recv(const struct sk_buff *skb, struct bonding *bond,
 int bond_3ad_set_carrier(struct bonding *bond);
 void bond_3ad_update_lacp_rate(struct bonding *bond);
 void bond_3ad_update_ad_actor_settings(struct bonding *bond);
+int bond_3ad_stats_fill(struct sk_buff *skb, struct bond_3ad_stats *stats);
+size_t bond_3ad_stats_size(void);
 #endif /* _NET_BOND_3AD_H */
 
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 1fa41b7a1be3..13bfeb712d36 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -6,7 +6,7 @@
  * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014 Intel Mobile Communications GmbH
  * Copyright 2015-2017	Intel Deutschland GmbH
- * Copyright (C) 2018 Intel Corporation
+ * Copyright (C) 2018-2019 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -777,8 +777,10 @@ struct cfg80211_crypto_settings {
  * @probe_resp: probe response template (AP mode only)
  * @ftm_responder: enable FTM responder functionality; -1 for no change
  *	(which also implies no change in LCI/civic location data)
- * @lci: LCI subelement content
- * @civicloc: Civic location subelement content
+ * @lci: Measurement Report element content, starting with Measurement Token
+ *	(measurement type 8)
+ * @civicloc: Measurement Report element content, starting with Measurement
+ *	Token (measurement type 11)
  * @lci_len: LCI data length
  * @civicloc_len: Civic location data length
  */
@@ -834,6 +836,17 @@ struct cfg80211_bitrate_mask {
 };
 
 /**
+ * enum cfg80211_ap_settings_flags - AP settings flags
+ *
+ * Used by cfg80211_ap_settings
+ *
+ * @AP_SETTINGS_EXTERNAL_AUTH_SUPPORT: AP supports external authentication
+ */
+enum cfg80211_ap_settings_flags {
+	AP_SETTINGS_EXTERNAL_AUTH_SUPPORT = BIT(0),
+};
+
+/**
  * struct cfg80211_ap_settings - AP configuration
  *
  * Used to configure an AP interface.
@@ -863,6 +876,7 @@ struct cfg80211_bitrate_mask {
  * @he_cap: HE capabilities (or %NULL if HE isn't enabled)
  * @ht_required: stations must support HT
  * @vht_required: stations must support VHT
+ * @flags: flags, as defined in enum cfg80211_ap_settings_flags
  */
 struct cfg80211_ap_settings {
 	struct cfg80211_chan_def chandef;
@@ -888,6 +902,7 @@ struct cfg80211_ap_settings {
 	const struct ieee80211_vht_cap *vht_cap;
 	const struct ieee80211_he_cap_elem *he_cap;
 	bool ht_required, vht_required;
+	u32 flags;
 };
 
 /**
@@ -1001,6 +1016,7 @@ enum station_parameters_apply_mask {
  * @support_p2p_ps: information if station supports P2P PS mechanism
  * @he_capa: HE capabilities of station
  * @he_capa_len: the length of the HE capabilities
+ * @airtime_weight: airtime scheduler weight for this station
  */
 struct station_parameters {
 	const u8 *supported_rates;
@@ -1030,6 +1046,7 @@ struct station_parameters {
 	int support_p2p_ps;
 	const struct ieee80211_he_cap_elem *he_capa;
 	u8 he_capa_len;
+	u16 airtime_weight;
 };
 
 /**
@@ -1296,7 +1313,10 @@ struct cfg80211_tid_stats {
  * @rx_beacon: number of beacons received from this peer
  * @rx_beacon_signal_avg: signal strength average (in dBm) for beacons received
  *	from this peer
+ * @connected_to_gate: true if mesh STA has a path to mesh gate
  * @rx_duration: aggregate PPDU duration(usecs) for all the frames from a peer
+ * @tx_duration: aggregate PPDU duration(usecs) for all the frames to a peer
+ * @airtime_weight: current airtime scheduling weight
  * @pertid: per-TID statistics, see &struct cfg80211_tid_stats, using the last
  *	(IEEE80211_NUM_TIDS) index for MSDUs not encapsulated in QoS-MPDUs.
  *	Note that this doesn't use the @filled bit, but is used if non-NULL.
@@ -1347,13 +1367,18 @@ struct station_info {
 
 	u32 expected_throughput;
 
-	u64 rx_beacon;
+	u64 tx_duration;
 	u64 rx_duration;
+	u64 rx_beacon;
 	u8 rx_beacon_signal_avg;
+	u8 connected_to_gate;
+
 	struct cfg80211_tid_stats *pertid;
 	s8 ack_signal;
 	s8 avg_ack_signal;
 
+	u16 airtime_weight;
+
 	u32 rx_mpdu_count;
 	u32 fcs_err_count;
 };
@@ -1417,6 +1442,8 @@ enum monitor_flags {
  * @MPATH_INFO_DISCOVERY_TIMEOUT: @discovery_timeout filled
  * @MPATH_INFO_DISCOVERY_RETRIES: @discovery_retries filled
  * @MPATH_INFO_FLAGS: @flags filled
+ * @MPATH_INFO_HOP_COUNT: @hop_count filled
+ * @MPATH_INFO_PATH_CHANGE: @path_change_count filled
  */
 enum mpath_info_flags {
 	MPATH_INFO_FRAME_QLEN		= BIT(0),
@@ -1426,6 +1453,8 @@ enum mpath_info_flags {
 	MPATH_INFO_DISCOVERY_TIMEOUT	= BIT(4),
 	MPATH_INFO_DISCOVERY_RETRIES	= BIT(5),
 	MPATH_INFO_FLAGS		= BIT(6),
+	MPATH_INFO_HOP_COUNT		= BIT(7),
+	MPATH_INFO_PATH_CHANGE		= BIT(8),
 };
 
 /**
@@ -1445,6 +1474,8 @@ enum mpath_info_flags {
  *	This number should increase every time the list of mesh paths
  *	changes, i.e. when a station is added or removed, so that
  *	userspace can tell whether it got a consistent snapshot.
+ * @hop_count: hops to destination
+ * @path_change_count: total number of path changes to destination
  */
 struct mpath_info {
 	u32 filled;
@@ -1455,6 +1486,8 @@ struct mpath_info {
 	u32 discovery_timeout;
 	u8 discovery_retries;
 	u8 flags;
+	u8 hop_count;
+	u32 path_change_count;
 
 	int generation;
 };
@@ -1559,6 +1592,10 @@ struct bss_parameters {
  * @plink_timeout: If no tx activity is seen from a STA we've established
  *	peering with for longer than this time (in seconds), then remove it
  *	from the STA's list of peers.  Default is 30 minutes.
+ * @dot11MeshConnectedToMeshGate: if set to true, advertise that this STA is
+ *      connected to a mesh gate in mesh formation info.  If false, the
+ *      value in mesh formation is determined by the presence of root paths
+ *      in the mesh path table
  */
 struct mesh_config {
 	u16 dot11MeshRetryTimeout;
@@ -1578,6 +1615,7 @@ struct mesh_config {
 	u16 dot11MeshHWMPperrMinInterval;
 	u16 dot11MeshHWMPnetDiameterTraversalTime;
 	u8 dot11MeshHWMPRootMode;
+	bool dot11MeshConnectedToMeshGate;
 	u16 dot11MeshHWMPRannInterval;
 	bool dot11MeshGateAnnouncementProtocol;
 	bool dot11MeshForwarding;
@@ -1997,9 +2035,15 @@ struct cfg80211_bss_ies {
  *	a BSS that hides the SSID in its beacon, this points to the BSS struct
  *	that holds the beacon data. @beacon_ies is still valid, of course, and
  *	points to the same data as hidden_beacon_bss->beacon_ies in that case.
+ * @transmitted_bss: pointer to the transmitted BSS, if this is a
+ *	non-transmitted one (multi-BSSID support)
+ * @nontrans_list: list of non-transmitted BSS, if this is a transmitted one
+ *	(multi-BSSID support)
  * @signal: signal strength value (type depends on the wiphy's signal_type)
  * @chains: bitmask for filled values in @chain_signal.
  * @chain_signal: per-chain signal strength of last received BSS in dBm.
+ * @bssid_index: index in the multiple BSS set
+ * @max_bssid_indicator: max number of members in the BSS set
  * @priv: private area for driver use, has at least wiphy->bss_priv_size bytes
  */
 struct cfg80211_bss {
@@ -2011,6 +2055,8 @@ struct cfg80211_bss {
 	const struct cfg80211_bss_ies __rcu *proberesp_ies;
 
 	struct cfg80211_bss *hidden_beacon_bss;
+	struct cfg80211_bss *transmitted_bss;
+	struct list_head nontrans_list;
 
 	s32 signal;
 
@@ -2021,19 +2067,36 @@ struct cfg80211_bss {
 	u8 chains;
 	s8 chain_signal[IEEE80211_MAX_CHAINS];
 
+	u8 bssid_index;
+	u8 max_bssid_indicator;
+
 	u8 priv[0] __aligned(sizeof(void *));
 };
 
 /**
+ * ieee80211_bss_get_elem - find element with given ID
+ * @bss: the bss to search
+ * @id: the element ID
+ *
+ * Note that the return value is an RCU-protected pointer, so
+ * rcu_read_lock() must be held when calling this function.
+ * Return: %NULL if not found.
+ */
+const struct element *ieee80211_bss_get_elem(struct cfg80211_bss *bss, u8 id);
+
+/**
  * ieee80211_bss_get_ie - find IE with given ID
  * @bss: the bss to search
- * @ie: the IE ID
+ * @id: the element ID
  *
  * Note that the return value is an RCU-protected pointer, so
  * rcu_read_lock() must be held when calling this function.
  * Return: %NULL if not found.
  */
-const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 ie);
+static inline const u8 *ieee80211_bss_get_ie(struct cfg80211_bss *bss, u8 id)
+{
+	return (void *)ieee80211_bss_get_elem(bss, id);
+}
 
 
 /**
@@ -2381,6 +2444,8 @@ enum wiphy_params_flags {
 	WIPHY_PARAM_TXQ_QUANTUM		= 1 << 8,
 };
 
+#define IEEE80211_DEFAULT_AIRTIME_WEIGHT	256
+
 /**
  * struct cfg80211_pmksa - PMK Security Association
  *
@@ -2805,6 +2870,7 @@ struct cfg80211_pmk_conf {
  *	use %WLAN_STATUS_UNSPECIFIED_FAILURE if user space cannot give you
  *	the real status code for failures. Used only for the authentication
  *	response command interface (user space to driver).
+ * @pmkid: The identifier to refer a PMKSA.
  */
 struct cfg80211_external_auth_params {
 	enum nl80211_external_auth_action action;
@@ -2812,10 +2878,11 @@ struct cfg80211_external_auth_params {
 	struct cfg80211_ssid ssid;
 	unsigned int key_mgmt_suite;
 	u16 status;
+	const u8 *pmkid;
 };
 
 /**
- * cfg80211_ftm_responder_stats - FTM responder statistics
+ * struct cfg80211_ftm_responder_stats - FTM responder statistics
  *
  * @filled: bitflag of flags using the bits of &enum nl80211_ftm_stats to
  *	indicate the relevant values in this struct for them
@@ -2849,6 +2916,190 @@ struct cfg80211_ftm_responder_stats {
 };
 
 /**
+ * struct cfg80211_pmsr_ftm_result - FTM result
+ * @failure_reason: if this measurement failed (PMSR status is
+ *	%NL80211_PMSR_STATUS_FAILURE), this gives a more precise
+ *	reason than just "failure"
+ * @burst_index: if reporting partial results, this is the index
+ *	in [0 .. num_bursts-1] of the burst that's being reported
+ * @num_ftmr_attempts: number of FTM request frames transmitted
+ * @num_ftmr_successes: number of FTM request frames acked
+ * @busy_retry_time: if failure_reason is %NL80211_PMSR_FTM_FAILURE_PEER_BUSY,
+ *	fill this to indicate in how many seconds a retry is deemed possible
+ *	by the responder
+ * @num_bursts_exp: actual number of bursts exponent negotiated
+ * @burst_duration: actual burst duration negotiated
+ * @ftms_per_burst: actual FTMs per burst negotiated
+ * @lci_len: length of LCI information (if present)
+ * @civicloc_len: length of civic location information (if present)
+ * @lci: LCI data (may be %NULL)
+ * @civicloc: civic location data (may be %NULL)
+ * @rssi_avg: average RSSI over FTM action frames reported
+ * @rssi_spread: spread of the RSSI over FTM action frames reported
+ * @tx_rate: bitrate for transmitted FTM action frame response
+ * @rx_rate: bitrate of received FTM action frame
+ * @rtt_avg: average of RTTs measured (must have either this or @dist_avg)
+ * @rtt_variance: variance of RTTs measured (note that standard deviation is
+ *	the square root of the variance)
+ * @rtt_spread: spread of the RTTs measured
+ * @dist_avg: average of distances (mm) measured
+ *	(must have either this or @rtt_avg)
+ * @dist_variance: variance of distances measured (see also @rtt_variance)
+ * @dist_spread: spread of distances measured (see also @rtt_spread)
+ * @num_ftmr_attempts_valid: @num_ftmr_attempts is valid
+ * @num_ftmr_successes_valid: @num_ftmr_successes is valid
+ * @rssi_avg_valid: @rssi_avg is valid
+ * @rssi_spread_valid: @rssi_spread is valid
+ * @tx_rate_valid: @tx_rate is valid
+ * @rx_rate_valid: @rx_rate is valid
+ * @rtt_avg_valid: @rtt_avg is valid
+ * @rtt_variance_valid: @rtt_variance is valid
+ * @rtt_spread_valid: @rtt_spread is valid
+ * @dist_avg_valid: @dist_avg is valid
+ * @dist_variance_valid: @dist_variance is valid
+ * @dist_spread_valid: @dist_spread is valid
+ */
+struct cfg80211_pmsr_ftm_result {
+	const u8 *lci;
+	const u8 *civicloc;
+	unsigned int lci_len;
+	unsigned int civicloc_len;
+	enum nl80211_peer_measurement_ftm_failure_reasons failure_reason;
+	u32 num_ftmr_attempts, num_ftmr_successes;
+	s16 burst_index;
+	u8 busy_retry_time;
+	u8 num_bursts_exp;
+	u8 burst_duration;
+	u8 ftms_per_burst;
+	s32 rssi_avg;
+	s32 rssi_spread;
+	struct rate_info tx_rate, rx_rate;
+	s64 rtt_avg;
+	s64 rtt_variance;
+	s64 rtt_spread;
+	s64 dist_avg;
+	s64 dist_variance;
+	s64 dist_spread;
+
+	u16 num_ftmr_attempts_valid:1,
+	    num_ftmr_successes_valid:1,
+	    rssi_avg_valid:1,
+	    rssi_spread_valid:1,
+	    tx_rate_valid:1,
+	    rx_rate_valid:1,
+	    rtt_avg_valid:1,
+	    rtt_variance_valid:1,
+	    rtt_spread_valid:1,
+	    dist_avg_valid:1,
+	    dist_variance_valid:1,
+	    dist_spread_valid:1;
+};
+
+/**
+ * struct cfg80211_pmsr_result - peer measurement result
+ * @addr: address of the peer
+ * @host_time: host time (use ktime_get_boottime() adjust to the time when the
+ *	measurement was made)
+ * @ap_tsf: AP's TSF at measurement time
+ * @status: status of the measurement
+ * @final: if reporting partial results, mark this as the last one; if not
+ *	reporting partial results always set this flag
+ * @ap_tsf_valid: indicates the @ap_tsf value is valid
+ * @type: type of the measurement reported, note that we only support reporting
+ *	one type at a time, but you can report multiple results separately and
+ *	they're all aggregated for userspace.
+ */
+struct cfg80211_pmsr_result {
+	u64 host_time, ap_tsf;
+	enum nl80211_peer_measurement_status status;
+
+	u8 addr[ETH_ALEN];
+
+	u8 final:1,
+	   ap_tsf_valid:1;
+
+	enum nl80211_peer_measurement_type type;
+
+	union {
+		struct cfg80211_pmsr_ftm_result ftm;
+	};
+};
+
+/**
+ * struct cfg80211_pmsr_ftm_request_peer - FTM request data
+ * @requested: indicates FTM is requested
+ * @preamble: frame preamble to use
+ * @burst_period: burst period to use
+ * @asap: indicates to use ASAP mode
+ * @num_bursts_exp: number of bursts exponent
+ * @burst_duration: burst duration
+ * @ftms_per_burst: number of FTMs per burst
+ * @ftmr_retries: number of retries for FTM request
+ * @request_lci: request LCI information
+ * @request_civicloc: request civic location information
+ *
+ * See also nl80211 for the respective attribute documentation.
+ */
+struct cfg80211_pmsr_ftm_request_peer {
+	enum nl80211_preamble preamble;
+	u16 burst_period;
+	u8 requested:1,
+	   asap:1,
+	   request_lci:1,
+	   request_civicloc:1;
+	u8 num_bursts_exp;
+	u8 burst_duration;
+	u8 ftms_per_burst;
+	u8 ftmr_retries;
+};
+
+/**
+ * struct cfg80211_pmsr_request_peer - peer data for a peer measurement request
+ * @addr: MAC address
+ * @chandef: channel to use
+ * @report_ap_tsf: report the associated AP's TSF
+ * @ftm: FTM data, see &struct cfg80211_pmsr_ftm_request_peer
+ */
+struct cfg80211_pmsr_request_peer {
+	u8 addr[ETH_ALEN];
+	struct cfg80211_chan_def chandef;
+	u8 report_ap_tsf:1;
+	struct cfg80211_pmsr_ftm_request_peer ftm;
+};
+
+/**
+ * struct cfg80211_pmsr_request - peer measurement request
+ * @cookie: cookie, set by cfg80211
+ * @nl_portid: netlink portid - used by cfg80211
+ * @drv_data: driver data for this request, if required for aborting,
+ *	not otherwise freed or anything by cfg80211
+ * @mac_addr: MAC address used for (randomised) request
+ * @mac_addr_mask: MAC address mask used for randomisation, bits that
+ *	are 0 in the mask should be randomised, bits that are 1 should
+ *	be taken from the @mac_addr
+ * @list: used by cfg80211 to hold on to the request
+ * @timeout: timeout (in milliseconds) for the whole operation, if
+ *	zero it means there's no timeout
+ * @n_peers: number of peers to do measurements with
+ * @peers: per-peer measurement request data
+ */
+struct cfg80211_pmsr_request {
+	u64 cookie;
+	void *drv_data;
+	u32 n_peers;
+	u32 nl_portid;
+
+	u32 timeout;
+
+	u8 mac_addr[ETH_ALEN] __aligned(2);
+	u8 mac_addr_mask[ETH_ALEN] __aligned(2);
+
+	struct list_head list;
+
+	struct cfg80211_pmsr_request_peer peers[];
+};
+
+/**
  * struct cfg80211_ops - backend description for wireless configuration
  *
  * This struct is registered by fullmac card drivers and/or wireless stacks
@@ -3183,6 +3434,8 @@ struct cfg80211_ftm_responder_stats {
  *
  * @get_ftm_responder_stats: Retrieve FTM responder statistics, if available.
  *	Statistics should be cumulative, currently no way to reset is provided.
+ * @start_pmsr: start peer measurement (e.g. FTM)
+ * @abort_pmsr: abort peer measurement
  */
 struct cfg80211_ops {
 	int	(*suspend)(struct wiphy *wiphy, struct cfg80211_wowlan *wow);
@@ -3492,6 +3745,11 @@ struct cfg80211_ops {
 	int	(*get_ftm_responder_stats)(struct wiphy *wiphy,
 				struct net_device *dev,
 				struct cfg80211_ftm_responder_stats *ftm_stats);
+
+	int	(*start_pmsr)(struct wiphy *wiphy, struct wireless_dev *wdev,
+			      struct cfg80211_pmsr_request *request);
+	void	(*abort_pmsr)(struct wiphy *wiphy, struct wireless_dev *wdev,
+			      struct cfg80211_pmsr_request *request);
 };
 
 /*
@@ -3864,6 +4122,42 @@ struct wiphy_iftype_ext_capab {
 };
 
 /**
+ * struct cfg80211_pmsr_capabilities - cfg80211 peer measurement capabilities
+ * @max_peers: maximum number of peers in a single measurement
+ * @report_ap_tsf: can report assoc AP's TSF for radio resource measurement
+ * @randomize_mac_addr: can randomize MAC address for measurement
+ * @ftm.supported: FTM measurement is supported
+ * @ftm.asap: ASAP-mode is supported
+ * @ftm.non_asap: non-ASAP-mode is supported
+ * @ftm.request_lci: can request LCI data
+ * @ftm.request_civicloc: can request civic location data
+ * @ftm.preambles: bitmap of preambles supported (&enum nl80211_preamble)
+ * @ftm.bandwidths: bitmap of bandwidths supported (&enum nl80211_chan_width)
+ * @ftm.max_bursts_exponent: maximum burst exponent supported
+ *	(set to -1 if not limited; note that setting this will necessarily
+ *	forbid using the value 15 to let the responder pick)
+ * @ftm.max_ftms_per_burst: maximum FTMs per burst supported (set to 0 if
+ *	not limited)
+ */
+struct cfg80211_pmsr_capabilities {
+	unsigned int max_peers;
+	u8 report_ap_tsf:1,
+	   randomize_mac_addr:1;
+
+	struct {
+		u32 preambles;
+		u32 bandwidths;
+		s8 max_bursts_exponent;
+		u8 max_ftms_per_burst;
+		u8 supported:1,
+		   asap:1,
+		   non_asap:1,
+		   request_lci:1,
+		   request_civicloc:1;
+	} ftm;
+};
+
+/**
  * struct wiphy - wireless hardware description
  * @reg_notifier: the driver's regulatory notification callback,
  *	note that if your driver uses wiphy_apply_custom_regulatory()
@@ -3875,6 +4169,8 @@ struct wiphy_iftype_ext_capab {
  * @signal_type: signal type reported in &struct cfg80211_bss.
  * @cipher_suites: supported cipher suites
  * @n_cipher_suites: number of supported cipher suites
+ * @akm_suites: supported AKM suites
+ * @n_akm_suites: number of supported AKM suites
  * @retry_short: Retry limit for short frames (dot11ShortRetryLimit)
  * @retry_long: Retry limit for long frames (dot11LongRetryLimit)
  * @frag_threshold: Fragmentation threshold (dot11FragmentationThreshold);
@@ -4027,6 +4323,13 @@ struct wiphy_iftype_ext_capab {
  * @txq_limit: configuration of internal TX queue frame limit
  * @txq_memory_limit: configuration internal TX queue memory limit
  * @txq_quantum: configuration of internal TX queue scheduler quantum
+ *
+ * @support_mbssid: can HW support association with nontransmitted AP
+ * @support_only_he_mbssid: don't parse MBSSID elements if it is not
+ *	HE AP, in order to avoid compatibility issues.
+ *	@support_mbssid must be set for this to have any effect.
+ *
+ * @pmsr_capa: peer measurement capabilities
  */
 struct wiphy {
 	/* assign these fields before you register the wiphy */
@@ -4071,6 +4374,9 @@ struct wiphy {
 	int n_cipher_suites;
 	const u32 *cipher_suites;
 
+	int n_akm_suites;
+	const u32 *akm_suites;
+
 	u8 retry_short;
 	u8 retry_long;
 	u32 frag_threshold;
@@ -4163,6 +4469,11 @@ struct wiphy {
 	u32 txq_memory_limit;
 	u32 txq_quantum;
 
+	u8 support_mbssid:1,
+	   support_only_he_mbssid:1;
+
+	const struct cfg80211_pmsr_capabilities *pmsr_capa;
+
 	char priv[0] __aligned(NETDEV_ALIGN);
 };
 
@@ -4332,6 +4643,17 @@ struct cfg80211_cqm_config;
  * @mesh_id_len: (private) Used by the internal configuration code
  * @mesh_id_up_len: (private) Used by the internal configuration code
  * @wext: (private) Used by the internal wireless extensions compat code
+ * @wext.ibss: (private) IBSS data part of wext handling
+ * @wext.connect: (private) connection handling data
+ * @wext.keys: (private) (WEP) key data
+ * @wext.ie: (private) extra elements for association
+ * @wext.ie_len: (private) length of extra elements
+ * @wext.bssid: (private) selected network BSSID
+ * @wext.ssid: (private) selected network SSID
+ * @wext.default_key: (private) selected default key index
+ * @wext.default_mgmt_key: (private) selected default management key index
+ * @wext.prev_bssid: (private) previous BSSID for reassociation
+ * @wext.prev_bssid_valid: (private) previous BSSID validity
  * @use_4addr: indicates 4addr mode is used on this interface, must be
  *	set by driver (if supported) on add_interface BEFORE registering the
  *	netdev and may otherwise be used by driver read-only, will be update
@@ -4365,6 +4687,9 @@ struct cfg80211_cqm_config;
  * @owner_nlportid: (private) owner socket port ID
  * @nl_owner_dead: (private) owner socket went away
  * @cqm_config: (private) nl80211 RSSI monitor state
+ * @pmsr_list: (private) peer measurement requests
+ * @pmsr_lock: (private) peer measurements requests/results lock
+ * @pmsr_free_wk: (private) peer measurements cleanup work
  */
 struct wireless_dev {
 	struct wiphy *wiphy;
@@ -4428,7 +4753,8 @@ struct wireless_dev {
 		struct cfg80211_cached_keys *keys;
 		const u8 *ie;
 		size_t ie_len;
-		u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
+		u8 bssid[ETH_ALEN];
+		u8 prev_bssid[ETH_ALEN];
 		u8 ssid[IEEE80211_MAX_SSID_LEN];
 		s8 default_key, default_mgmt_key;
 		bool prev_bssid_valid;
@@ -4436,6 +4762,10 @@ struct wireless_dev {
 #endif
 
 	struct cfg80211_cqm_config *cqm_config;
+
+	struct list_head pmsr_list;
+	spinlock_t pmsr_lock;
+	struct work_struct pmsr_free_wk;
 };
 
 static inline u8 *wdev_address(struct wireless_dev *wdev)
@@ -4703,6 +5033,33 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb,
 				    struct cfg80211_qos_map *qos_map);
 
 /**
+ * cfg80211_find_elem_match - match information element and byte array in data
+ *
+ * @eid: element ID
+ * @ies: data consisting of IEs
+ * @len: length of data
+ * @match: byte array to match
+ * @match_len: number of bytes in the match array
+ * @match_offset: offset in the IE data where the byte array should match.
+ *	Note the difference to cfg80211_find_ie_match() which considers
+ *	the offset to start from the element ID byte, but here we take
+ *	the data portion instead.
+ *
+ * Return: %NULL if the element ID could not be found or if
+ * the element is invalid (claims to be longer than the given
+ * data) or if the byte array doesn't match; otherwise return the
+ * requested element struct.
+ *
+ * Note: There are no checks on the element length other than
+ * having to fit into the given data and being large enough for the
+ * byte array to match.
+ */
+const struct element *
+cfg80211_find_elem_match(u8 eid, const u8 *ies, unsigned int len,
+			 const u8 *match, unsigned int match_len,
+			 unsigned int match_offset);
+
+/**
  * cfg80211_find_ie_match - match information element and byte array in data
  *
  * @eid: element ID
@@ -4726,9 +5083,44 @@ unsigned int cfg80211_classify8021d(struct sk_buff *skb,
  * having to fit into the given data and being large enough for the
  * byte array to match.
  */
-const u8 *cfg80211_find_ie_match(u8 eid, const u8 *ies, int len,
-				 const u8 *match, int match_len,
-				 int match_offset);
+static inline const u8 *
+cfg80211_find_ie_match(u8 eid, const u8 *ies, unsigned int len,
+		       const u8 *match, unsigned int match_len,
+		       unsigned int match_offset)
+{
+	/* match_offset can't be smaller than 2, unless match_len is
+	 * zero, in which case match_offset must be zero as well.
+	 */
+	if (WARN_ON((match_len && match_offset < 2) ||
+		    (!match_len && match_offset)))
+		return NULL;
+
+	return (void *)cfg80211_find_elem_match(eid, ies, len,
+						match, match_len,
+						match_offset ?
+							match_offset - 2 : 0);
+}
+
+/**
+ * cfg80211_find_elem - find information element in data
+ *
+ * @eid: element ID
+ * @ies: data consisting of IEs
+ * @len: length of data
+ *
+ * Return: %NULL if the element ID could not be found or if
+ * the element is invalid (claims to be longer than the given
+ * data) or if the byte array doesn't match; otherwise return the
+ * requested element struct.
+ *
+ * Note: There are no checks on the element length other than
+ * having to fit into the given data.
+ */
+static inline const struct element *
+cfg80211_find_elem(u8 eid, const u8 *ies, int len)
+{
+	return cfg80211_find_elem_match(eid, ies, len, NULL, 0, 0);
+}
 
 /**
  * cfg80211_find_ie - find information element in data
@@ -4751,6 +5143,28 @@ static inline const u8 *cfg80211_find_ie(u8 eid, const u8 *ies, int len)
 }
 
 /**
+ * cfg80211_find_ext_elem - find information element with EID Extension in data
+ *
+ * @ext_eid: element ID Extension
+ * @ies: data consisting of IEs
+ * @len: length of data
+ *
+ * Return: %NULL if the etended element could not be found or if
+ * the element is invalid (claims to be longer than the given
+ * data) or if the byte array doesn't match; otherwise return the
+ * requested element struct.
+ *
+ * Note: There are no checks on the element length other than
+ * having to fit into the given data.
+ */
+static inline const struct element *
+cfg80211_find_ext_elem(u8 ext_eid, const u8 *ies, int len)
+{
+	return cfg80211_find_elem_match(WLAN_EID_EXTENSION, ies, len,
+					&ext_eid, 1, 0);
+}
+
+/**
  * cfg80211_find_ext_ie - find information element with EID Extension in data
  *
  * @ext_eid: element ID Extension
@@ -4772,6 +5186,25 @@ static inline const u8 *cfg80211_find_ext_ie(u8 ext_eid, const u8 *ies, int len)
 }
 
 /**
+ * cfg80211_find_vendor_elem - find vendor specific information element in data
+ *
+ * @oui: vendor OUI
+ * @oui_type: vendor-specific OUI type (must be < 0xff), negative means any
+ * @ies: data consisting of IEs
+ * @len: length of data
+ *
+ * Return: %NULL if the vendor specific element ID could not be found or if the
+ * element is invalid (claims to be longer than the given data); otherwise
+ * return the element structure for the requested element.
+ *
+ * Note: There are no checks on the element length other than having to fit into
+ * the given data.
+ */
+const struct element *cfg80211_find_vendor_elem(unsigned int oui, int oui_type,
+						const u8 *ies,
+						unsigned int len);
+
+/**
  * cfg80211_find_vendor_ie - find vendor specific information element in data
  *
  * @oui: vendor OUI
@@ -4787,8 +5220,12 @@ static inline const u8 *cfg80211_find_ext_ie(u8 ext_eid, const u8 *ies, int len)
  * Note: There are no checks on the element length other than having to fit into
  * the given data.
  */
-const u8 *cfg80211_find_vendor_ie(unsigned int oui, int oui_type,
-				  const u8 *ies, int len);
+static inline const u8 *
+cfg80211_find_vendor_ie(unsigned int oui, int oui_type,
+			const u8 *ies, unsigned int len)
+{
+	return (void *)cfg80211_find_vendor_elem(oui, oui_type, ies, len);
+}
 
 /**
  * cfg80211_send_layer2_update - send layer 2 update frame
@@ -5034,6 +5471,27 @@ cfg80211_inform_bss_frame(struct wiphy *wiphy,
 }
 
 /**
+ * cfg80211_gen_new_bssid - generate a nontransmitted BSSID for multi-BSSID
+ * @bssid: transmitter BSSID
+ * @max_bssid: max BSSID indicator, taken from Multiple BSSID element
+ * @mbssid_index: BSSID index, taken from Multiple BSSID index element
+ * @new_bssid: calculated nontransmitted BSSID
+ */
+static inline void cfg80211_gen_new_bssid(const u8 *bssid, u8 max_bssid,
+					  u8 mbssid_index, u8 *new_bssid)
+{
+	u64 bssid_u64 = ether_addr_to_u64(bssid);
+	u64 mask = GENMASK_ULL(max_bssid - 1, 0);
+	u64 new_bssid_u64;
+
+	new_bssid_u64 = bssid_u64 & ~mask;
+
+	new_bssid_u64 |= ((bssid_u64 & mask) + mbssid_index) & mask;
+
+	u64_to_ether_addr(new_bssid_u64, new_bssid);
+}
+
+/**
  * enum cfg80211_bss_frame_type - frame type that the BSS data came from
  * @CFG80211_BSS_FTYPE_UNKNOWN: driver doesn't know whether the data is
  *	from a beacon or probe response
@@ -5218,10 +5676,12 @@ void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr);
  * @dev: network device
  * @bss: the BSS that association was requested with, ownership of the pointer
  *	moves to cfg80211 in this call
- * @buf: authentication frame (header + body)
+ * @buf: (Re)Association Response frame (header + body)
  * @len: length of the frame data
  * @uapsd_queues: bitmap of queues configured for uapsd. Same format
  *	as the AC bitmap in the QoS info field
+ * @req_ies: information elements from the (Re)Association Request frame
+ * @req_ies_len: length of req_ies data
  *
  * After being asked to associate via cfg80211_ops::assoc() the driver must
  * call either this function or cfg80211_auth_timeout().
@@ -5231,7 +5691,8 @@ void cfg80211_auth_timeout(struct net_device *dev, const u8 *addr);
 void cfg80211_rx_assoc_resp(struct net_device *dev,
 			    struct cfg80211_bss *bss,
 			    const u8 *buf, size_t len,
-			    int uapsd_queues);
+			    int uapsd_queues,
+			    const u8 *req_ies, size_t req_ies_len);
 
 /**
  * cfg80211_assoc_timeout - notification of timed out association
@@ -5320,7 +5781,7 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
  * @dev: network device
  * @macaddr: the MAC address of the new candidate
  * @ie: information elements advertised by the peer candidate
- * @ie_len: lenght of the information elements buffer
+ * @ie_len: length of the information elements buffer
  * @gfp: allocation flags
  *
  * This function notifies cfg80211 that the mesh peer candidate has been
@@ -5328,7 +5789,8 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
  * cfg80211 then sends a notification to userspace.
  */
 void cfg80211_notify_new_peer_candidate(struct net_device *dev,
-		const u8 *macaddr, const u8 *ie, u8 ie_len, gfp_t gfp);
+		const u8 *macaddr, const u8 *ie, u8 ie_len,
+		int sig_dbm, gfp_t gfp);
 
 /**
  * DOC: RFkill integration
@@ -5392,6 +5854,7 @@ struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy,
 					   struct wireless_dev *wdev,
 					   enum nl80211_commands cmd,
 					   enum nl80211_attrs attr,
+					   unsigned int portid,
 					   int vendor_event_idx,
 					   int approxlen, gfp_t gfp);
 
@@ -5442,6 +5905,15 @@ cfg80211_vendor_cmd_alloc_reply_skb(struct wiphy *wiphy, int approxlen)
 int cfg80211_vendor_cmd_reply(struct sk_buff *skb);
 
 /**
+ * cfg80211_vendor_cmd_get_sender
+ * @wiphy: the wiphy
+ *
+ * Return the current netlink port ID in a vendor command handler.
+ * Valid to call only there.
+ */
+unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy);
+
+/**
  * cfg80211_vendor_event_alloc - allocate vendor-specific event skb
  * @wiphy: the wiphy
  * @wdev: the wireless device
@@ -5468,7 +5940,42 @@ cfg80211_vendor_event_alloc(struct wiphy *wiphy, struct wireless_dev *wdev,
 {
 	return __cfg80211_alloc_event_skb(wiphy, wdev, NL80211_CMD_VENDOR,
 					  NL80211_ATTR_VENDOR_DATA,
-					  event_idx, approxlen, gfp);
+					  0, event_idx, approxlen, gfp);
+}
+
+/**
+ * cfg80211_vendor_event_alloc_ucast - alloc unicast vendor-specific event skb
+ * @wiphy: the wiphy
+ * @wdev: the wireless device
+ * @event_idx: index of the vendor event in the wiphy's vendor_events
+ * @portid: port ID of the receiver
+ * @approxlen: an upper bound of the length of the data that will
+ *	be put into the skb
+ * @gfp: allocation flags
+ *
+ * This function allocates and pre-fills an skb for an event to send to
+ * a specific (userland) socket. This socket would previously have been
+ * obtained by cfg80211_vendor_cmd_get_sender(), and the caller MUST take
+ * care to register a netlink notifier to see when the socket closes.
+ *
+ * If wdev != NULL, both the ifindex and identifier of the specified
+ * wireless device are added to the event message before the vendor data
+ * attribute.
+ *
+ * When done filling the skb, call cfg80211_vendor_event() with the
+ * skb to send the event.
+ *
+ * Return: An allocated and pre-filled skb. %NULL if any errors happen.
+ */
+static inline struct sk_buff *
+cfg80211_vendor_event_alloc_ucast(struct wiphy *wiphy,
+				  struct wireless_dev *wdev,
+				  unsigned int portid, int approxlen,
+				  int event_idx, gfp_t gfp)
+{
+	return __cfg80211_alloc_event_skb(wiphy, wdev, NL80211_CMD_VENDOR,
+					  NL80211_ATTR_VENDOR_DATA,
+					  portid, event_idx, approxlen, gfp);
 }
 
 /**
@@ -5568,7 +6075,7 @@ static inline struct sk_buff *
 cfg80211_testmode_alloc_event_skb(struct wiphy *wiphy, int approxlen, gfp_t gfp)
 {
 	return __cfg80211_alloc_event_skb(wiphy, NULL, NL80211_CMD_TESTMODE,
-					  NL80211_ATTR_TESTDATA, -1,
+					  NL80211_ATTR_TESTDATA, 0, -1,
 					  approxlen, gfp);
 }
 
@@ -6630,6 +7137,31 @@ int cfg80211_external_auth_request(struct net_device *netdev,
 				   struct cfg80211_external_auth_params *params,
 				   gfp_t gfp);
 
+/**
+ * cfg80211_pmsr_report - report peer measurement result data
+ * @wdev: the wireless device reporting the measurement
+ * @req: the original measurement request
+ * @result: the result data
+ * @gfp: allocation flags
+ */
+void cfg80211_pmsr_report(struct wireless_dev *wdev,
+			  struct cfg80211_pmsr_request *req,
+			  struct cfg80211_pmsr_result *result,
+			  gfp_t gfp);
+
+/**
+ * cfg80211_pmsr_complete - report peer measurement completed
+ * @wdev: the wireless device reporting the measurement
+ * @req: the original measurement request
+ * @gfp: allocation flags
+ *
+ * Report that the entire measurement completed, after this
+ * the request pointer will no longer be valid.
+ */
+void cfg80211_pmsr_complete(struct wireless_dev *wdev,
+			    struct cfg80211_pmsr_request *req,
+			    gfp_t gfp);
+
 /* Logging, debugging and troubleshooting/diagnostic helpers. */
 
 /* wiphy_printk helpers, similar to dev_printk */
@@ -6651,6 +7183,11 @@ int cfg80211_external_auth_request(struct net_device *netdev,
 #define wiphy_info(wiphy, format, args...)			\
 	dev_info(&(wiphy)->dev, format, ##args)
 
+#define wiphy_err_ratelimited(wiphy, format, args...)		\
+	dev_err_ratelimited(&(wiphy)->dev, format, ##args)
+#define wiphy_warn_ratelimited(wiphy, format, args...)		\
+	dev_warn_ratelimited(&(wiphy)->dev, format, ##args)
+
 #define wiphy_debug(wiphy, format, args...)			\
 	wiphy_printk(KERN_DEBUG, wiphy, format, ##args)
 
diff --git a/include/net/checksum.h b/include/net/checksum.h
index aef2b2bb6603..0f319e13be2c 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -30,7 +30,7 @@ static inline
 __wsum csum_and_copy_from_user (const void __user *src, void *dst,
 				      int len, __wsum sum, int *err_ptr)
 {
-	if (access_ok(VERIFY_READ, src, len))
+	if (access_ok(src, len))
 		return csum_partial_copy_from_user(src, dst, len, sum, err_ptr);
 
 	if (len)
@@ -46,7 +46,7 @@ static __inline__ __wsum csum_and_copy_to_user
 {
 	sum = csum_partial(src, len, sum);
 
-	if (access_ok(VERIFY_WRITE, dst, len)) {
+	if (access_ok(dst, len)) {
 		if (copy_to_user(dst, src, len) == 0)
 			return sum;
 	}
diff --git a/include/net/devlink.h b/include/net/devlink.h
index 45db0c79462d..63de99e09f04 100644
--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -30,6 +30,7 @@ struct devlink {
 	struct list_head param_list;
 	struct list_head region_list;
 	u32 snapshot_id;
+	struct list_head reporter_list;
 	struct devlink_dpipe_headers *dpipe_headers;
 	const struct devlink_ops *ops;
 	struct device *dev;
@@ -48,6 +49,7 @@ struct devlink_port_attrs {
 
 struct devlink_port {
 	struct list_head list;
+	struct list_head param_list;
 	struct devlink *devlink;
 	unsigned index;
 	bool registered;
@@ -61,6 +63,7 @@ struct devlink_sb_pool_info {
 	enum devlink_sb_pool_type pool_type;
 	u32 size;
 	enum devlink_sb_threshold_type threshold_type;
+	u32 cell_size;
 };
 
 /**
@@ -355,6 +358,7 @@ struct devlink_param_item {
 	const struct devlink_param *param;
 	union devlink_param_value driverinit_value;
 	bool driverinit_value_valid;
+	bool published;
 };
 
 enum devlink_param_generic_id {
@@ -365,6 +369,7 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
 	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
 	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
+	DEVLINK_PARAM_GENERIC_ID_FW_LOAD_POLICY,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -392,6 +397,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
 
+#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_NAME "fw_load_policy"
+#define DEVLINK_PARAM_GENERIC_FW_LOAD_POLICY_TYPE DEVLINK_PARAM_TYPE_U8
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
@@ -415,10 +423,55 @@ enum devlink_param_generic_id {
 	.validate = _validate,						\
 }
 
+/* Part number, identifier of board design */
+#define DEVLINK_INFO_VERSION_GENERIC_BOARD_ID	"board.id"
+/* Revision of board design */
+#define DEVLINK_INFO_VERSION_GENERIC_BOARD_REV	"board.rev"
+/* Maker of the board */
+#define DEVLINK_INFO_VERSION_GENERIC_BOARD_MANUFACTURE	"board.manufacture"
+
+/* Control processor FW version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_MGMT	"fw.mgmt"
+/* Data path microcode controlling high-speed packet processing */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_APP	"fw.app"
+/* UNDI software version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_UNDI	"fw.undi"
+/* NCSI support/handler version */
+#define DEVLINK_INFO_VERSION_GENERIC_FW_NCSI	"fw.ncsi"
+
 struct devlink_region;
+struct devlink_info_req;
 
 typedef void devlink_snapshot_data_dest_t(const void *data);
 
+struct devlink_fmsg;
+struct devlink_health_reporter;
+
+enum devlink_health_reporter_state {
+	DEVLINK_HEALTH_REPORTER_STATE_HEALTHY,
+	DEVLINK_HEALTH_REPORTER_STATE_ERROR,
+};
+
+/**
+ * struct devlink_health_reporter_ops - Reporter operations
+ * @name: reporter name
+ * @recover: callback to recover from reported error
+ *           if priv_ctx is NULL, run a full recover
+ * @dump: callback to dump an object
+ *        if priv_ctx is NULL, run a full dump
+ * @diagnose: callback to diagnose the current status
+ */
+
+struct devlink_health_reporter_ops {
+	char *name;
+	int (*recover)(struct devlink_health_reporter *reporter,
+		       void *priv_ctx);
+	int (*dump)(struct devlink_health_reporter *reporter,
+		    struct devlink_fmsg *fmsg, void *priv_ctx);
+	int (*diagnose)(struct devlink_health_reporter *reporter,
+			struct devlink_fmsg *fmsg);
+};
+
 struct devlink_ops {
 	int (*reload)(struct devlink *devlink, struct netlink_ext_ack *extack);
 	int (*port_type_set)(struct devlink_port *devlink_port,
@@ -471,6 +524,11 @@ struct devlink_ops {
 	int (*eswitch_encap_mode_get)(struct devlink *devlink, u8 *p_encap_mode);
 	int (*eswitch_encap_mode_set)(struct devlink *devlink, u8 encap_mode,
 				      struct netlink_ext_ack *extack);
+	int (*info_get)(struct devlink *devlink, struct devlink_info_req *req,
+			struct netlink_ext_ack *extack);
+	int (*flash_update)(struct devlink *devlink, const char *file_name,
+			    const char *component,
+			    struct netlink_ext_ack *extack);
 };
 
 static inline void *devlink_priv(struct devlink *devlink)
@@ -485,6 +543,15 @@ static inline struct devlink *priv_to_devlink(void *priv)
 	return container_of(priv, struct devlink, priv);
 }
 
+static inline struct devlink *netdev_to_devlink(struct net_device *dev)
+{
+#if IS_ENABLED(CONFIG_NET_DEVLINK)
+	if (dev->netdev_ops->ndo_get_devlink)
+		return dev->netdev_ops->ndo_get_devlink(dev);
+#endif
+	return NULL;
+}
+
 struct ib_device;
 
 #if IS_ENABLED(CONFIG_NET_DEVLINK)
@@ -563,11 +630,28 @@ int devlink_params_register(struct devlink *devlink,
 void devlink_params_unregister(struct devlink *devlink,
 			       const struct devlink_param *params,
 			       size_t params_count);
+void devlink_params_publish(struct devlink *devlink);
+void devlink_params_unpublish(struct devlink *devlink);
+int devlink_port_params_register(struct devlink_port *devlink_port,
+				 const struct devlink_param *params,
+				 size_t params_count);
+void devlink_port_params_unregister(struct devlink_port *devlink_port,
+				    const struct devlink_param *params,
+				    size_t params_count);
 int devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
 				       union devlink_param_value *init_val);
 int devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
 				       union devlink_param_value init_val);
+int
+devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
+					u32 param_id,
+					union devlink_param_value *init_val);
+int devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
+					    u32 param_id,
+					    union devlink_param_value init_val);
 void devlink_param_value_changed(struct devlink *devlink, u32 param_id);
+void devlink_port_param_value_changed(struct devlink_port *devlink_port,
+				      u32 param_id);
 void devlink_param_value_str_fill(union devlink_param_value *dst_val,
 				  const char *src);
 struct devlink_region *devlink_region_create(struct devlink *devlink,
@@ -579,6 +663,70 @@ u32 devlink_region_shapshot_id_get(struct devlink *devlink);
 int devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
 				   u8 *data, u32 snapshot_id,
 				   devlink_snapshot_data_dest_t *data_destructor);
+int devlink_info_serial_number_put(struct devlink_info_req *req,
+				   const char *sn);
+int devlink_info_driver_name_put(struct devlink_info_req *req,
+				 const char *name);
+int devlink_info_version_fixed_put(struct devlink_info_req *req,
+				   const char *version_name,
+				   const char *version_value);
+int devlink_info_version_stored_put(struct devlink_info_req *req,
+				    const char *version_name,
+				    const char *version_value);
+int devlink_info_version_running_put(struct devlink_info_req *req,
+				     const char *version_name,
+				     const char *version_value);
+
+int devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg);
+int devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg);
+
+int devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name);
+int devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg);
+
+int devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
+				     const char *name);
+int devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg);
+
+int devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value);
+int devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value);
+int devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value);
+int devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value);
+int devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value);
+int devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
+			    u16 value_len);
+
+int devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			       bool value);
+int devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			     u8 value);
+int devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			      u32 value);
+int devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			      u64 value);
+int devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
+				 const char *value);
+int devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
+				 const void *value, u16 value_len);
+
+struct devlink_health_reporter *
+devlink_health_reporter_create(struct devlink *devlink,
+			       const struct devlink_health_reporter_ops *ops,
+			       u64 graceful_period, bool auto_recover,
+			       void *priv);
+void
+devlink_health_reporter_destroy(struct devlink_health_reporter *reporter);
+
+void *
+devlink_health_reporter_priv(struct devlink_health_reporter *reporter);
+int devlink_health_report(struct devlink_health_reporter *reporter,
+			  const char *msg, void *priv_ctx);
+void
+devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
+				     enum devlink_health_reporter_state state);
+
+void devlink_compat_running_version(struct net_device *dev,
+				    char *buf, size_t len);
+int devlink_compat_flash_update(struct net_device *dev, const char *file_name);
 
 #else
 
@@ -597,6 +745,14 @@ static inline void devlink_unregister(struct devlink *devlink)
 {
 }
 
+static inline void devlink_params_publish(struct devlink *devlink)
+{
+}
+
+static inline void devlink_params_unpublish(struct devlink *devlink)
+{
+}
+
 static inline void devlink_free(struct devlink *devlink)
 {
 	kfree(devlink);
@@ -788,6 +944,21 @@ devlink_params_unregister(struct devlink *devlink,
 }
 
 static inline int
+devlink_port_params_register(struct devlink_port *devlink_port,
+			     const struct devlink_param *params,
+			     size_t params_count)
+{
+	return 0;
+}
+
+static inline void
+devlink_port_params_unregister(struct devlink_port *devlink_port,
+			       const struct devlink_param *params,
+			       size_t params_count)
+{
+}
+
+static inline int
 devlink_param_driverinit_value_get(struct devlink *devlink, u32 param_id,
 				   union devlink_param_value *init_val)
 {
@@ -801,12 +972,34 @@ devlink_param_driverinit_value_set(struct devlink *devlink, u32 param_id,
 	return -EOPNOTSUPP;
 }
 
+static inline int
+devlink_port_param_driverinit_value_get(struct devlink_port *devlink_port,
+					u32 param_id,
+					union devlink_param_value *init_val)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int
+devlink_port_param_driverinit_value_set(struct devlink_port *devlink_port,
+					u32 param_id,
+					union devlink_param_value init_val)
+{
+	return -EOPNOTSUPP;
+}
+
 static inline void
 devlink_param_value_changed(struct devlink *devlink, u32 param_id)
 {
 }
 
 static inline void
+devlink_port_param_value_changed(struct devlink_port *devlink_port,
+				 u32 param_id)
+{
+}
+
+static inline void
 devlink_param_value_str_fill(union devlink_param_value *dst_val,
 			     const char *src)
 {
@@ -840,6 +1033,201 @@ devlink_region_snapshot_create(struct devlink_region *region, u64 data_len,
 	return 0;
 }
 
+static inline int
+devlink_info_driver_name_put(struct devlink_info_req *req, const char *name)
+{
+	return 0;
+}
+
+static inline int
+devlink_info_serial_number_put(struct devlink_info_req *req, const char *sn)
+{
+	return 0;
+}
+
+static inline int
+devlink_info_version_fixed_put(struct devlink_info_req *req,
+			       const char *version_name,
+			       const char *version_value)
+{
+	return 0;
+}
+
+static inline int
+devlink_info_version_stored_put(struct devlink_info_req *req,
+				const char *version_name,
+				const char *version_value)
+{
+	return 0;
+}
+
+static inline int
+devlink_info_version_running_put(struct devlink_info_req *req,
+				 const char *version_name,
+				 const char *version_value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_obj_nest_start(struct devlink_fmsg *fmsg)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_obj_nest_end(struct devlink_fmsg *fmsg)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_pair_nest_start(struct devlink_fmsg *fmsg, const char *name)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_pair_nest_end(struct devlink_fmsg *fmsg)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_arr_pair_nest_start(struct devlink_fmsg *fmsg,
+				 const char *name)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_arr_pair_nest_end(struct devlink_fmsg *fmsg)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_bool_put(struct devlink_fmsg *fmsg, bool value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_u8_put(struct devlink_fmsg *fmsg, u8 value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_u32_put(struct devlink_fmsg *fmsg, u32 value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_u64_put(struct devlink_fmsg *fmsg, u64 value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_string_put(struct devlink_fmsg *fmsg, const char *value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_binary_put(struct devlink_fmsg *fmsg, const void *value,
+			u16 value_len)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_bool_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			   bool value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_u8_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			 u8 value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_u32_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			  u32 value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_u64_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			  u64 value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_string_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			     const char *value)
+{
+	return 0;
+}
+
+static inline int
+devlink_fmsg_binary_pair_put(struct devlink_fmsg *fmsg, const char *name,
+			     const void *value, u16 value_len)
+{
+	return 0;
+}
+
+static inline struct devlink_health_reporter *
+devlink_health_reporter_create(struct devlink *devlink,
+			       const struct devlink_health_reporter_ops *ops,
+			       u64 graceful_period, bool auto_recover,
+			       void *priv)
+{
+	return NULL;
+}
+
+static inline void
+devlink_health_reporter_destroy(struct devlink_health_reporter *reporter)
+{
+}
+
+static inline void *
+devlink_health_reporter_priv(struct devlink_health_reporter *reporter)
+{
+	return NULL;
+}
+
+static inline int
+devlink_health_report(struct devlink_health_reporter *reporter,
+		      const char *msg, void *priv_ctx)
+{
+	return 0;
+}
+
+static inline void
+devlink_health_reporter_state_update(struct devlink_health_reporter *reporter,
+				     enum devlink_health_reporter_state state)
+{
+}
+
+static inline void
+devlink_compat_running_version(struct net_device *dev, char *buf, size_t len)
+{
+}
+
+static inline int
+devlink_compat_flash_update(struct net_device *dev, const char *file_name)
+{
+	return -EOPNOTSUPP;
+}
 #endif
 
 #endif /* _NET_DEVLINK_H_ */
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 23690c44e167..ae480bba11f5 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -21,6 +21,7 @@
 #include <linux/ethtool.h>
 #include <linux/net_tstamp.h>
 #include <linux/phy.h>
+#include <linux/platform_data/dsa.h>
 #include <net/devlink.h>
 #include <net/switchdev.h>
 
@@ -36,7 +37,8 @@ enum dsa_tag_protocol {
 	DSA_TAG_PROTO_DSA,
 	DSA_TAG_PROTO_EDSA,
 	DSA_TAG_PROTO_GSWIP,
-	DSA_TAG_PROTO_KSZ,
+	DSA_TAG_PROTO_KSZ9477,
+	DSA_TAG_PROTO_KSZ9893,
 	DSA_TAG_PROTO_LAN9303,
 	DSA_TAG_PROTO_MTK,
 	DSA_TAG_PROTO_QCA,
@@ -44,66 +46,6 @@ enum dsa_tag_protocol {
 	DSA_TAG_LAST,		/* MUST BE LAST */
 };
 
-#define DSA_MAX_SWITCHES	4
-#define DSA_MAX_PORTS		12
-
-#define DSA_RTABLE_NONE		-1
-
-struct dsa_chip_data {
-	/*
-	 * How to access the switch configuration registers.
-	 */
-	struct device	*host_dev;
-	int		sw_addr;
-
-	/*
-	 * Reference to network devices
-	 */
-	struct device	*netdev[DSA_MAX_PORTS];
-
-	/* set to size of eeprom if supported by the switch */
-	int		eeprom_len;
-
-	/* Device tree node pointer for this specific switch chip
-	 * used during switch setup in case additional properties
-	 * and resources needs to be used
-	 */
-	struct device_node *of_node;
-
-	/*
-	 * The names of the switch's ports.  Use "cpu" to
-	 * designate the switch port that the cpu is connected to,
-	 * "dsa" to indicate that this port is a DSA link to
-	 * another switch, NULL to indicate the port is unused,
-	 * or any other string to indicate this is a physical port.
-	 */
-	char		*port_names[DSA_MAX_PORTS];
-	struct device_node *port_dn[DSA_MAX_PORTS];
-
-	/*
-	 * An array of which element [a] indicates which port on this
-	 * switch should be used to send packets to that are destined
-	 * for switch a. Can be NULL if there is only one switch chip.
-	 */
-	s8		rtable[DSA_MAX_SWITCHES];
-};
-
-struct dsa_platform_data {
-	/*
-	 * Reference to a Linux network interface that connects
-	 * to the root switch chip of the tree.
-	 */
-	struct device	*netdev;
-	struct net_device *of_netdev;
-
-	/*
-	 * Info structs describing each of the switch chips
-	 * connected via this network interface.
-	 */
-	int		nr_chips;
-	struct dsa_chip_data	*chip;
-};
-
 struct packet_type;
 struct dsa_switch;
 
@@ -113,6 +55,7 @@ struct dsa_device_ops {
 			       struct packet_type *pt);
 	int (*flow_dissect)(const struct sk_buff *skb, __be16 *proto,
 			    int *offset);
+	unsigned int overhead;
 };
 
 struct dsa_switch_tree {
@@ -207,6 +150,11 @@ struct dsa_port {
 	 * Original copy of the master netdev ethtool_ops
 	 */
 	const struct ethtool_ops *orig_ethtool_ops;
+
+	/*
+	 * Original copy of the master netdev net_device_ops
+	 */
+	const struct net_device_ops *orig_ndo_ops;
 };
 
 struct dsa_switch {
@@ -417,8 +365,7 @@ struct dsa_switch_ops {
 	 */
 	int	(*port_enable)(struct dsa_switch *ds, int port,
 			       struct phy_device *phy);
-	void	(*port_disable)(struct dsa_switch *ds, int port,
-				struct phy_device *phy);
+	void	(*port_disable)(struct dsa_switch *ds, int port);
 
 	/*
 	 * Port's MAC EEE settings
@@ -453,6 +400,8 @@ struct dsa_switch_ops {
 	void	(*port_stp_state_set)(struct dsa_switch *ds, int port,
 				      u8 state);
 	void	(*port_fast_age)(struct dsa_switch *ds, int port);
+	int	(*port_egress_floods)(struct dsa_switch *ds, int port,
+				      bool unicast, bool multicast);
 
 	/*
 	 * VLAN support
diff --git a/include/net/flow.h b/include/net/flow.h
index 8ce21793094e..a50fb77a0b27 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -38,8 +38,9 @@ struct flowi_common {
 #define FLOWI_FLAG_KNOWN_NH		0x02
 #define FLOWI_FLAG_SKIP_NH_OIF		0x04
 	__u32	flowic_secid;
-	struct flowi_tunnel flowic_tun_key;
 	kuid_t  flowic_uid;
+	struct flowi_tunnel flowic_tun_key;
+	__u32		flowic_multipath_hash;
 };
 
 union flowi_uli {
@@ -78,6 +79,7 @@ struct flowi4 {
 #define flowi4_secid		__fl_common.flowic_secid
 #define flowi4_tun_key		__fl_common.flowic_tun_key
 #define flowi4_uid		__fl_common.flowic_uid
+#define flowi4_multipath_hash	__fl_common.flowic_multipath_hash
 
 	/* (saddr,daddr) must be grouped, same order as in IP header */
 	__be32			saddr;
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 6a4586dcdede..2b26979efb48 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -209,8 +209,8 @@ enum flow_dissector_key_id {
 	FLOW_DISSECTOR_KEY_ETH_ADDRS, /* struct flow_dissector_key_eth_addrs */
 	FLOW_DISSECTOR_KEY_TIPC, /* struct flow_dissector_key_tipc */
 	FLOW_DISSECTOR_KEY_ARP, /* struct flow_dissector_key_arp */
-	FLOW_DISSECTOR_KEY_VLAN, /* struct flow_dissector_key_flow_vlan */
-	FLOW_DISSECTOR_KEY_FLOW_LABEL, /* struct flow_dissector_key_flow_tags */
+	FLOW_DISSECTOR_KEY_VLAN, /* struct flow_dissector_key_vlan */
+	FLOW_DISSECTOR_KEY_FLOW_LABEL, /* struct flow_dissector_key_tags */
 	FLOW_DISSECTOR_KEY_GRE_KEYID, /* struct flow_dissector_key_keyid */
 	FLOW_DISSECTOR_KEY_MPLS_ENTROPY, /* struct flow_dissector_key_keyid */
 	FLOW_DISSECTOR_KEY_ENC_KEYID, /* struct flow_dissector_key_keyid */
@@ -221,7 +221,7 @@ enum flow_dissector_key_id {
 	FLOW_DISSECTOR_KEY_MPLS, /* struct flow_dissector_key_mpls */
 	FLOW_DISSECTOR_KEY_TCP, /* struct flow_dissector_key_tcp */
 	FLOW_DISSECTOR_KEY_IP, /* struct flow_dissector_key_ip */
-	FLOW_DISSECTOR_KEY_CVLAN, /* struct flow_dissector_key_flow_vlan */
+	FLOW_DISSECTOR_KEY_CVLAN, /* struct flow_dissector_key_vlan */
 	FLOW_DISSECTOR_KEY_ENC_IP, /* struct flow_dissector_key_ip */
 	FLOW_DISSECTOR_KEY_ENC_OPTS, /* struct flow_dissector_key_enc_opts */
 
diff --git a/include/net/flow_offload.h b/include/net/flow_offload.h
new file mode 100644
index 000000000000..d035183c8d03
--- /dev/null
+++ b/include/net/flow_offload.h
@@ -0,0 +1,203 @@
+#ifndef _NET_FLOW_OFFLOAD_H
+#define _NET_FLOW_OFFLOAD_H
+
+#include <net/flow_dissector.h>
+
+struct flow_match {
+	struct flow_dissector	*dissector;
+	void			*mask;
+	void			*key;
+};
+
+struct flow_match_basic {
+	struct flow_dissector_key_basic *key, *mask;
+};
+
+struct flow_match_control {
+	struct flow_dissector_key_control *key, *mask;
+};
+
+struct flow_match_eth_addrs {
+	struct flow_dissector_key_eth_addrs *key, *mask;
+};
+
+struct flow_match_vlan {
+	struct flow_dissector_key_vlan *key, *mask;
+};
+
+struct flow_match_ipv4_addrs {
+	struct flow_dissector_key_ipv4_addrs *key, *mask;
+};
+
+struct flow_match_ipv6_addrs {
+	struct flow_dissector_key_ipv6_addrs *key, *mask;
+};
+
+struct flow_match_ip {
+	struct flow_dissector_key_ip *key, *mask;
+};
+
+struct flow_match_ports {
+	struct flow_dissector_key_ports *key, *mask;
+};
+
+struct flow_match_icmp {
+	struct flow_dissector_key_icmp *key, *mask;
+};
+
+struct flow_match_tcp {
+	struct flow_dissector_key_tcp *key, *mask;
+};
+
+struct flow_match_mpls {
+	struct flow_dissector_key_mpls *key, *mask;
+};
+
+struct flow_match_enc_keyid {
+	struct flow_dissector_key_keyid *key, *mask;
+};
+
+struct flow_match_enc_opts {
+	struct flow_dissector_key_enc_opts *key, *mask;
+};
+
+struct flow_rule;
+
+void flow_rule_match_basic(const struct flow_rule *rule,
+			   struct flow_match_basic *out);
+void flow_rule_match_control(const struct flow_rule *rule,
+			     struct flow_match_control *out);
+void flow_rule_match_eth_addrs(const struct flow_rule *rule,
+			       struct flow_match_eth_addrs *out);
+void flow_rule_match_vlan(const struct flow_rule *rule,
+			  struct flow_match_vlan *out);
+void flow_rule_match_ipv4_addrs(const struct flow_rule *rule,
+				struct flow_match_ipv4_addrs *out);
+void flow_rule_match_ipv6_addrs(const struct flow_rule *rule,
+				struct flow_match_ipv6_addrs *out);
+void flow_rule_match_ip(const struct flow_rule *rule,
+			struct flow_match_ip *out);
+void flow_rule_match_ports(const struct flow_rule *rule,
+			   struct flow_match_ports *out);
+void flow_rule_match_tcp(const struct flow_rule *rule,
+			 struct flow_match_tcp *out);
+void flow_rule_match_icmp(const struct flow_rule *rule,
+			  struct flow_match_icmp *out);
+void flow_rule_match_mpls(const struct flow_rule *rule,
+			  struct flow_match_mpls *out);
+void flow_rule_match_enc_control(const struct flow_rule *rule,
+				 struct flow_match_control *out);
+void flow_rule_match_enc_ipv4_addrs(const struct flow_rule *rule,
+				    struct flow_match_ipv4_addrs *out);
+void flow_rule_match_enc_ipv6_addrs(const struct flow_rule *rule,
+				    struct flow_match_ipv6_addrs *out);
+void flow_rule_match_enc_ip(const struct flow_rule *rule,
+			    struct flow_match_ip *out);
+void flow_rule_match_enc_ports(const struct flow_rule *rule,
+			       struct flow_match_ports *out);
+void flow_rule_match_enc_keyid(const struct flow_rule *rule,
+			       struct flow_match_enc_keyid *out);
+void flow_rule_match_enc_opts(const struct flow_rule *rule,
+			      struct flow_match_enc_opts *out);
+
+enum flow_action_id {
+	FLOW_ACTION_ACCEPT		= 0,
+	FLOW_ACTION_DROP,
+	FLOW_ACTION_TRAP,
+	FLOW_ACTION_GOTO,
+	FLOW_ACTION_REDIRECT,
+	FLOW_ACTION_MIRRED,
+	FLOW_ACTION_VLAN_PUSH,
+	FLOW_ACTION_VLAN_POP,
+	FLOW_ACTION_VLAN_MANGLE,
+	FLOW_ACTION_TUNNEL_ENCAP,
+	FLOW_ACTION_TUNNEL_DECAP,
+	FLOW_ACTION_MANGLE,
+	FLOW_ACTION_ADD,
+	FLOW_ACTION_CSUM,
+	FLOW_ACTION_MARK,
+	FLOW_ACTION_WAKE,
+	FLOW_ACTION_QUEUE,
+};
+
+/* This is mirroring enum pedit_header_type definition for easy mapping between
+ * tc pedit action. Legacy TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK is mapped to
+ * FLOW_ACT_MANGLE_UNSPEC, which is supported by no driver.
+ */
+enum flow_action_mangle_base {
+	FLOW_ACT_MANGLE_UNSPEC		= 0,
+	FLOW_ACT_MANGLE_HDR_TYPE_ETH,
+	FLOW_ACT_MANGLE_HDR_TYPE_IP4,
+	FLOW_ACT_MANGLE_HDR_TYPE_IP6,
+	FLOW_ACT_MANGLE_HDR_TYPE_TCP,
+	FLOW_ACT_MANGLE_HDR_TYPE_UDP,
+};
+
+struct flow_action_entry {
+	enum flow_action_id		id;
+	union {
+		u32			chain_index;	/* FLOW_ACTION_GOTO */
+		struct net_device	*dev;		/* FLOW_ACTION_REDIRECT */
+		struct {				/* FLOW_ACTION_VLAN */
+			u16		vid;
+			__be16		proto;
+			u8		prio;
+		} vlan;
+		struct {				/* FLOW_ACTION_PACKET_EDIT */
+			enum flow_action_mangle_base htype;
+			u32		offset;
+			u32		mask;
+			u32		val;
+		} mangle;
+		const struct ip_tunnel_info *tunnel;	/* FLOW_ACTION_TUNNEL_ENCAP */
+		u32			csum_flags;	/* FLOW_ACTION_CSUM */
+		u32			mark;		/* FLOW_ACTION_MARK */
+		struct {				/* FLOW_ACTION_QUEUE */
+			u32		ctx;
+			u32		index;
+			u8		vf;
+		} queue;
+	};
+};
+
+struct flow_action {
+	unsigned int			num_entries;
+	struct flow_action_entry 	entries[0];
+};
+
+static inline bool flow_action_has_entries(const struct flow_action *action)
+{
+	return action->num_entries;
+}
+
+#define flow_action_for_each(__i, __act, __actions)			\
+        for (__i = 0, __act = &(__actions)->entries[0]; __i < (__actions)->num_entries; __act = &(__actions)->entries[++__i])
+
+struct flow_rule {
+	struct flow_match	match;
+	struct flow_action	action;
+};
+
+struct flow_rule *flow_rule_alloc(unsigned int num_actions);
+
+static inline bool flow_rule_match_key(const struct flow_rule *rule,
+				       enum flow_dissector_key_id key)
+{
+	return dissector_uses_key(rule->match.dissector, key);
+}
+
+struct flow_stats {
+	u64	pkts;
+	u64	bytes;
+	u64	lastused;
+};
+
+static inline void flow_stats_update(struct flow_stats *flow_stats,
+				     u64 bytes, u64 pkts, u64 lastused)
+{
+	flow_stats->pkts	+= pkts;
+	flow_stats->bytes	+= bytes;
+	flow_stats->lastused	= max_t(u64, flow_stats->lastused, lastused);
+}
+
+#endif /* _NET_FLOW_OFFLOAD_H */
diff --git a/include/net/gen_stats.h b/include/net/gen_stats.h
index 946bd53a9f81..ca23860adbb9 100644
--- a/include/net/gen_stats.h
+++ b/include/net/gen_stats.h
@@ -10,7 +10,7 @@
 struct gnet_stats_basic_cpu {
 	struct gnet_stats_basic_packed bstats;
 	struct u64_stats_sync syncp;
-};
+} __aligned(2 * sizeof(u64));
 
 struct net_rate_estimator;
 
diff --git a/include/net/geneve.h b/include/net/geneve.h
index a7600ed55ea3..fc6a7e0a874a 100644
--- a/include/net/geneve.h
+++ b/include/net/geneve.h
@@ -60,6 +60,12 @@ struct genevehdr {
 	struct geneve_opt options[];
 };
 
+static inline bool netif_is_geneve(const struct net_device *dev)
+{
+	return dev->rtnl_link_ops &&
+	       !strcmp(dev->rtnl_link_ops->kind, "geneve");
+}
+
 #ifdef CONFIG_INET
 struct net_device *geneve_dev_create_fb(struct net *net, const char *name,
 					u8 name_assign_type, u16 dst_port);
diff --git a/include/net/gre.h b/include/net/gre.h
index 797142eee9cd..b60f212c16c6 100644
--- a/include/net/gre.h
+++ b/include/net/gre.h
@@ -37,8 +37,17 @@ struct net_device *gretap_fb_dev_create(struct net *net, const char *name,
 int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
 		     bool *csum_err, __be16 proto, int nhs);
 
-bool is_gretap_dev(const struct net_device *dev);
-bool is_ip6gretap_dev(const struct net_device *dev);
+static inline bool netif_is_gretap(const struct net_device *dev)
+{
+	return dev->rtnl_link_ops &&
+	       !strcmp(dev->rtnl_link_ops->kind, "gretap");
+}
+
+static inline bool netif_is_ip6gretap(const struct net_device *dev)
+{
+	return dev->rtnl_link_ops &&
+	       !strcmp(dev->rtnl_link_ops->kind, "ip6gretap");
+}
 
 static inline int gre_calc_hlen(__be16 o_flags)
 {
diff --git a/include/net/icmp.h b/include/net/icmp.h
index 3ef2743a8eec..e0f709d26dde 100644
--- a/include/net/icmp.h
+++ b/include/net/icmp.h
@@ -22,6 +22,7 @@
 
 #include <net/inet_sock.h>
 #include <net/snmp.h>
+#include <net/ip.h>
 
 struct icmp_err {
   int		errno;
@@ -39,9 +40,15 @@ struct net_proto_family;
 struct sk_buff;
 struct net;
 
-void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info);
+void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info,
+		 const struct ip_options *opt);
+static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
+{
+	__icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt);
+}
+
 int icmp_rcv(struct sk_buff *skb);
-void icmp_err(struct sk_buff *skb, u32 info);
+int icmp_err(struct sk_buff *skb, u32 info);
 int icmp_init(void);
 void icmp_out_count(struct net *net, unsigned char type);
 
diff --git a/include/net/ieee80211_radiotap.h b/include/net/ieee80211_radiotap.h
index 8014153bdd49..459d355f6506 100644
--- a/include/net/ieee80211_radiotap.h
+++ b/include/net/ieee80211_radiotap.h
@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2017		Intel Deutschland GmbH
- * Copyright (c) 2018		Intel Corporation
+ * Copyright (c) 2018-2019	Intel Corporation
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -291,6 +291,12 @@ enum ieee80211_radiotap_he_bits {
 
 	IEEE80211_RADIOTAP_HE_DATA6_NSTS		= 0x000f,
 	IEEE80211_RADIOTAP_HE_DATA6_DOPPLER		= 0x0010,
+	IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN	= 0x0020,
+	IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW		= 0x00c0,
+		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ	= 0,
+		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ	= 1,
+		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ	= 2,
+		IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ	= 3,
 	IEEE80211_RADIOTAP_HE_DATA6_TXOP		= 0x7f00,
 	IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY	= 0x8000,
 };
@@ -343,6 +349,7 @@ struct ieee80211_radiotap_lsig {
 
 enum ieee80211_radiotap_zero_len_psdu_type {
 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING		= 0,
+	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED		= 1,
 	IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR			= 0xff,
 };
 
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 6e91e38a31da..9db98af46985 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -115,9 +115,8 @@ int inet6_hash(struct sock *sk);
 	 ((__sk)->sk_family == AF_INET6)			&&	\
 	 ipv6_addr_equal(&(__sk)->sk_v6_daddr, (__saddr))		&&	\
 	 ipv6_addr_equal(&(__sk)->sk_v6_rcv_saddr, (__daddr))	&&	\
-	 (!(__sk)->sk_bound_dev_if	||				\
-	   ((__sk)->sk_bound_dev_if == (__dif))	||			\
-	   ((__sk)->sk_bound_dev_if == (__sdif)))		&&	\
+	 (((__sk)->sk_bound_dev_if == (__dif))	||			\
+	  ((__sk)->sk_bound_dev_if == (__sdif)))		&&	\
 	 net_eq(sock_net(__sk), (__net)))
 
 #endif /* _INET6_HASHTABLES_H */
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 3ca969cbd161..975901a95c0f 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -2,6 +2,8 @@
 #ifndef _INET_COMMON_H
 #define _INET_COMMON_H
 
+#include <linux/indirect_call_wrapper.h>
+
 extern const struct proto_ops inet_stream_ops;
 extern const struct proto_ops inet_dgram_ops;
 
@@ -54,4 +56,11 @@ static inline void inet_ctl_sock_destroy(struct sock *sk)
 		sock_release(sk->sk_socket);
 }
 
+#define indirect_call_gro_receive(f2, f1, cb, head, skb)	\
+({								\
+	unlikely(gro_recursion_inc_test(skb)) ?			\
+		NAPI_GRO_CB(skb)->flush |= 1, NULL :		\
+		INDIRECT_CALL_2(cb, f2, f1, head, skb);		\
+})
+
 #endif
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 371b3b45fd5c..ff40e1d08157 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -139,8 +139,8 @@ struct inet_connection_sock {
 	} icsk_mtup;
 	u32			  icsk_user_timeout;
 
-	u64			  icsk_ca_priv[88 / sizeof(u64)];
-#define ICSK_CA_PRIV_SIZE      (11 * sizeof(u64))
+	u64			  icsk_ca_priv[104 / sizeof(u64)];
+#define ICSK_CA_PRIV_SIZE      (13 * sizeof(u64))
 };
 
 #define ICSK_TIME_RETRANS	1	/* Retransmit timer */
@@ -314,4 +314,29 @@ int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
 			       char __user *optval, unsigned int optlen);
 
 struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
+
+#define TCP_PINGPONG_THRESH	3
+
+static inline void inet_csk_enter_pingpong_mode(struct sock *sk)
+{
+	inet_csk(sk)->icsk_ack.pingpong = TCP_PINGPONG_THRESH;
+}
+
+static inline void inet_csk_exit_pingpong_mode(struct sock *sk)
+{
+	inet_csk(sk)->icsk_ack.pingpong = 0;
+}
+
+static inline bool inet_csk_in_pingpong_mode(struct sock *sk)
+{
+	return inet_csk(sk)->icsk_ack.pingpong >= TCP_PINGPONG_THRESH;
+}
+
+static inline void inet_csk_inc_pingpong_cnt(struct sock *sk)
+{
+	struct inet_connection_sock *icsk = inet_csk(sk);
+
+	if (icsk->icsk_ack.pingpong < U8_MAX)
+		icsk->icsk_ack.pingpong++;
+}
 #endif /* _INET_CONNECTION_SOCK_H */
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 1662cbc0b46b..378904ee9129 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -56,7 +56,6 @@ struct frag_v6_compare_key {
  * @timer: queue expiration timer
  * @lock: spinlock protecting this frag
  * @refcnt: reference count of the queue
- * @fragments: received fragments head
  * @rb_fragments: received fragments rb-tree root
  * @fragments_tail: received fragments tail
  * @last_run_head: the head of the last "run". see ip_fragment.c
@@ -77,8 +76,7 @@ struct inet_frag_queue {
 	struct timer_list	timer;
 	spinlock_t		lock;
 	refcount_t		refcnt;
-	struct sk_buff		*fragments;  /* Used in IPv6. */
-	struct rb_root		rb_fragments; /* Used in IPv4. */
+	struct rb_root		rb_fragments;
 	struct sk_buff		*fragments_tail;
 	struct sk_buff		*last_run_head;
 	ktime_t			stamp;
@@ -153,4 +151,16 @@ static inline void add_frag_mem_limit(struct netns_frags *nf, long val)
 
 extern const u8 ip_frag_ecn_table[16];
 
+/* Return values of inet_frag_queue_insert() */
+#define IPFRAG_OK	0
+#define IPFRAG_DUP	1
+#define IPFRAG_OVERLAP	2
+int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb,
+			   int offset, int end);
+void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
+			      struct sk_buff *parent);
+void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head,
+			    void *reasm_data);
+struct sk_buff *inet_frag_pull_head(struct inet_frag_queue *q);
+
 #endif
diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h
index 9141e95529e7..babb14136705 100644
--- a/include/net/inet_hashtables.h
+++ b/include/net/inet_hashtables.h
@@ -79,6 +79,7 @@ struct inet_ehash_bucket {
 
 struct inet_bind_bucket {
 	possible_net_t		ib_net;
+	int			l3mdev;
 	unsigned short		port;
 	signed char		fastreuse;
 	signed char		fastreuseport;
@@ -188,10 +189,21 @@ static inline void inet_ehash_locks_free(struct inet_hashinfo *hashinfo)
 	hashinfo->ehash_locks = NULL;
 }
 
+static inline bool inet_sk_bound_dev_eq(struct net *net, int bound_dev_if,
+					int dif, int sdif)
+{
+#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
+	return inet_bound_dev_eq(!!net->ipv4.sysctl_tcp_l3mdev_accept,
+				 bound_dev_if, dif, sdif);
+#else
+	return inet_bound_dev_eq(true, bound_dev_if, dif, sdif);
+#endif
+}
+
 struct inet_bind_bucket *
 inet_bind_bucket_create(struct kmem_cache *cachep, struct net *net,
 			struct inet_bind_hashbucket *head,
-			const unsigned short snum);
+			const unsigned short snum, int l3mdev);
 void inet_bind_bucket_destroy(struct kmem_cache *cachep,
 			      struct inet_bind_bucket *tb);
 
@@ -225,6 +237,7 @@ void inet_hashinfo2_init(struct inet_hashinfo *h, const char *name,
 			 unsigned long numentries, int scale,
 			 unsigned long low_limit,
 			 unsigned long high_limit);
+int inet_hashinfo2_init_mod(struct inet_hashinfo *h);
 
 bool inet_ehash_insert(struct sock *sk, struct sock *osk);
 bool inet_ehash_nolisten(struct sock *sk, struct sock *osk);
@@ -282,9 +295,8 @@ static inline struct sock *inet_lookup_listener(struct net *net,
 #define INET_MATCH(__sk, __net, __cookie, __saddr, __daddr, __ports, __dif, __sdif) \
 	(((__sk)->sk_portpair == (__ports))			&&	\
 	 ((__sk)->sk_addrpair == (__cookie))			&&	\
-	 (!(__sk)->sk_bound_dev_if	||				\
-	   ((__sk)->sk_bound_dev_if == (__dif))			||	\
-	   ((__sk)->sk_bound_dev_if == (__sdif)))		&&	\
+	 (((__sk)->sk_bound_dev_if == (__dif))			||	\
+	  ((__sk)->sk_bound_dev_if == (__sdif)))		&&	\
 	 net_eq(sock_net(__sk), (__net)))
 #else /* 32-bit arch */
 #define INET_ADDR_COOKIE(__name, __saddr, __daddr) \
@@ -294,9 +306,8 @@ static inline struct sock *inet_lookup_listener(struct net *net,
 	(((__sk)->sk_portpair == (__ports))		&&		\
 	 ((__sk)->sk_daddr	== (__saddr))		&&		\
 	 ((__sk)->sk_rcv_saddr	== (__daddr))		&&		\
-	 (!(__sk)->sk_bound_dev_if	||				\
-	   ((__sk)->sk_bound_dev_if == (__dif))		||		\
-	   ((__sk)->sk_bound_dev_if == (__sdif)))	&&		\
+	 (((__sk)->sk_bound_dev_if == (__dif))		||		\
+	  ((__sk)->sk_bound_dev_if == (__sdif)))	&&		\
 	 net_eq(sock_net(__sk), (__net)))
 #endif /* 64-bit arch */
 
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index a80fd0ac4563..e8eef85006aa 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -130,6 +130,27 @@ static inline int inet_request_bound_dev_if(const struct sock *sk,
 	return sk->sk_bound_dev_if;
 }
 
+static inline int inet_sk_bound_l3mdev(const struct sock *sk)
+{
+#ifdef CONFIG_NET_L3_MASTER_DEV
+	struct net *net = sock_net(sk);
+
+	if (!net->ipv4.sysctl_tcp_l3mdev_accept)
+		return l3mdev_master_ifindex_by_index(net,
+						      sk->sk_bound_dev_if);
+#endif
+
+	return 0;
+}
+
+static inline bool inet_bound_dev_eq(bool l3mdev_accept, int bound_dev_if,
+				     int dif, int sdif)
+{
+	if (!bound_dev_if)
+		return !sdif || l3mdev_accept;
+	return bound_dev_if == dif || bound_dev_if == sdif;
+}
+
 struct inet_cork {
 	unsigned int		flags;
 	__be32			addr;
diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h
index 00b5e7825508..74ff688568a0 100644
--- a/include/net/inetpeer.h
+++ b/include/net/inetpeer.h
@@ -39,6 +39,7 @@ struct inet_peer {
 
 	u32			metrics[RTAX_MAX];
 	u32			rate_tokens;	/* rate limiting for ICMP */
+	u32			n_redirects;
 	unsigned long		rate_last;
 	/*
 	 * Once inet_peer is queued for deletion (refcnt == 0), following field
diff --git a/include/net/ip.h b/include/net/ip.h
index 72593e171d14..583526aad1d0 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -155,6 +155,7 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
 void ip_list_rcv(struct list_head *head, struct packet_type *pt,
 		 struct net_device *orig_dev);
 int ip_local_deliver(struct sk_buff *skb);
+void ip_protocol_deliver_rcu(struct net *net, struct sk_buff *skb, int proto);
 int ip_mr_input(struct sk_buff *skb);
 int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int ip_mc_output(struct net *net, struct sock *sk, struct sk_buff *skb);
@@ -421,7 +422,8 @@ static inline unsigned int ip_skb_dst_mtu(struct sock *sk,
 }
 
 struct dst_metrics *ip_fib_metrics_init(struct net *net, struct nlattr *fc_mx,
-					int fc_mx_len);
+					int fc_mx_len,
+					struct netlink_ext_ack *extack);
 static inline void ip_fib_metrics_put(struct dst_metrics *fib_metrics)
 {
 	if (fib_metrics != &dst_default_metrics &&
@@ -665,6 +667,8 @@ static inline int ip_options_echo(struct net *net, struct ip_options *dopt,
 }
 
 void ip_options_fragment(struct sk_buff *skb);
+int __ip_options_compile(struct net *net, struct ip_options *opt,
+			 struct sk_buff *skb, __be32 *info);
 int ip_options_compile(struct net *net, struct ip_options *opt,
 		       struct sk_buff *skb);
 int ip_options_get(struct net *net, struct ip_options_rcu **optp,
@@ -673,7 +677,7 @@ int ip_options_get_from_user(struct net *net, struct ip_options_rcu **optp,
 			     unsigned char __user *data, int optlen);
 void ip_options_undo(struct ip_options *opt);
 void ip_forward_options(struct sk_buff *skb);
-int ip_options_rcv_srr(struct sk_buff *skb);
+int ip_options_rcv_srr(struct sk_buff *skb, struct net_device *dev);
 
 /*
  *	Functions provided by ip_sockglue.c
@@ -714,7 +718,7 @@ extern int sysctl_icmp_msgs_burst;
 int ip_misc_proc_init(void);
 #endif
 
-int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto,
+int rtm_getroute_parse_ip_proto(struct nlattr *attr, u8 *ip_proto, u8 family,
 				struct netlink_ext_ack *extack);
 
 #endif	/* _IP_H */
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 236e40ba06bf..69b4bcf880c9 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -69,6 +69,8 @@ struct ip6_tnl_encap_ops {
 	size_t (*encap_hlen)(struct ip_tunnel_encap *e);
 	int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e,
 			    u8 *protocol, struct flowi6 *fl6);
+	int (*err_handler)(struct sk_buff *skb, struct inet6_skb_parm *opt,
+			   u8 type, u8 code, int offset, __be32 info);
 };
 
 #ifdef CONFIG_INET
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index c5969762a8f4..9c8214d2116d 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -241,7 +241,7 @@ int fib_table_delete(struct net *, struct fib_table *, struct fib_config *,
 		     struct netlink_ext_ack *extack);
 int fib_table_dump(struct fib_table *table, struct sk_buff *skb,
 		   struct netlink_callback *cb, struct fib_dump_filter *filter);
-int fib_table_flush(struct net *net, struct fib_table *table);
+int fib_table_flush(struct net *net, struct fib_table *table, bool flush_all);
 struct fib_table *fib_trie_unmerge(struct fib_table *main_tb);
 void fib_table_flush_external(struct fib_table *table);
 void fib_free_table(struct fib_table *tb);
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index 5ce926701bd0..af645604f328 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -241,7 +241,7 @@ static inline void ip_tunnel_init_flow(struct flowi4 *fl4,
 				       int proto,
 				       __be32 daddr, __be32 saddr,
 				       __be32 key, __u8 tos, int oif,
-				       __u32 mark)
+				       __u32 mark, __u32 tun_inner_hash)
 {
 	memset(fl4, 0, sizeof(*fl4));
 	fl4->flowi4_oif = oif;
@@ -251,6 +251,7 @@ static inline void ip_tunnel_init_flow(struct flowi4 *fl4,
 	fl4->flowi4_proto = proto;
 	fl4->fl4_gre_key = key;
 	fl4->flowi4_mark = mark;
+	fl4->flowi4_multipath_hash = tun_inner_hash;
 }
 
 int ip_tunnel_init(struct net_device *dev);
@@ -267,7 +268,7 @@ void ip_tunnel_delete_nets(struct list_head *list_net, unsigned int id,
 void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
 		    const struct iphdr *tnl_params, const u8 protocol);
 void ip_md_tunnel_xmit(struct sk_buff *skb, struct net_device *dev,
-		       const u8 proto);
+		       const u8 proto, int tunnel_hlen);
 int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd);
 int __ip_tunnel_change_mtu(struct net_device *dev, int new_mtu, bool strict);
 int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu);
@@ -292,6 +293,7 @@ struct ip_tunnel_encap_ops {
 	size_t (*encap_hlen)(struct ip_tunnel_encap *e);
 	int (*build_header)(struct sk_buff *skb, struct ip_tunnel_encap *e,
 			    u8 *protocol, struct flowi4 *fl4);
+	int (*err_handler)(struct sk_buff *skb, u32 info);
 };
 
 #define MAX_IPTUN_ENCAP_OPS 8
@@ -307,6 +309,26 @@ int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op,
 int ip_tunnel_encap_setup(struct ip_tunnel *t,
 			  struct ip_tunnel_encap *ipencap);
 
+static inline bool pskb_inet_may_pull(struct sk_buff *skb)
+{
+	int nhlen;
+
+	switch (skb->protocol) {
+#if IS_ENABLED(CONFIG_IPV6)
+	case htons(ETH_P_IPV6):
+		nhlen = sizeof(struct ipv6hdr);
+		break;
+#endif
+	case htons(ETH_P_IP):
+		nhlen = sizeof(struct iphdr);
+		break;
+	default:
+		nhlen = 0;
+	}
+
+	return pskb_network_may_pull(skb, nhlen);
+}
+
 static inline int ip_encap_hlen(struct ip_tunnel_encap *e)
 {
 	const struct ip_tunnel_encap_ops *ops;
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index a0d2e0bb9a94..047f9a5ccaad 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -453,9 +453,6 @@ struct ip_vs_protocol {
 	int (*dnat_handler)(struct sk_buff *skb, struct ip_vs_protocol *pp,
 			    struct ip_vs_conn *cp, struct ip_vs_iphdr *iph);
 
-	int (*csum_check)(int af, struct sk_buff *skb,
-			  struct ip_vs_protocol *pp);
-
 	const char *(*state_name)(int state);
 
 	void (*state_transition)(struct ip_vs_conn *cp, int direction,
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 829650540780..daf80863d3a5 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -975,6 +975,8 @@ int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int ip6_forward(struct sk_buff *skb);
 int ip6_input(struct sk_buff *skb);
 int ip6_mc_input(struct sk_buff *skb);
+void ip6_protocol_deliver_rcu(struct net *net, struct sk_buff *skb, int nexthdr,
+			      bool have_final);
 
 int __ip6_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
 int ip6_local_out(struct net *net, struct sock *sk, struct sk_buff *skb);
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 6ced1e6899b6..28aa9b30aece 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -82,8 +82,15 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
 	__IP6_INC_STATS(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT);
 
 	/* Don't send error if the first segment did not arrive. */
-	head = fq->q.fragments;
-	if (!(fq->q.flags & INET_FRAG_FIRST_IN) || !head)
+	if (!(fq->q.flags & INET_FRAG_FIRST_IN))
+		goto out;
+
+	/* sk_buff::dev and sk_buff::rbnode are unionized. So we
+	 * pull the head out of the tree in order to be able to
+	 * deal with head->dev.
+	 */
+	head = inet_frag_pull_head(&fq->q);
+	if (!head)
 		goto out;
 
 	head->dev = dev;
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
index 3832099289c5..5175fd63cd82 100644
--- a/include/net/l3mdev.h
+++ b/include/net/l3mdev.h
@@ -101,6 +101,17 @@ struct net_device *l3mdev_master_dev_rcu(const struct net_device *_dev)
 	return master;
 }
 
+int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex);
+static inline
+int l3mdev_master_upper_ifindex_by_index(struct net *net, int ifindex)
+{
+	rcu_read_lock();
+	ifindex = l3mdev_master_upper_ifindex_by_index_rcu(net, ifindex);
+	rcu_read_unlock();
+
+	return ifindex;
+}
+
 u32 l3mdev_fib_table_rcu(const struct net_device *dev);
 u32 l3mdev_fib_table_by_index(struct net *net, int ifindex);
 static inline u32 l3mdev_fib_table(const struct net_device *dev)
@@ -142,7 +153,8 @@ struct sk_buff *l3mdev_l3_rcv(struct sk_buff *skb, u16 proto)
 
 	if (netif_is_l3_slave(skb->dev))
 		master = netdev_master_upper_dev_get_rcu(skb->dev);
-	else if (netif_is_l3_master(skb->dev))
+	else if (netif_is_l3_master(skb->dev) ||
+		 netif_has_l3_rx_handler(skb->dev))
 		master = skb->dev;
 
 	if (master && master->l3mdev_ops->l3mdev_l3_rcv)
@@ -208,6 +220,17 @@ static inline int l3mdev_master_ifindex_by_index(struct net *net, int ifindex)
 }
 
 static inline
+int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex)
+{
+	return 0;
+}
+static inline
+int l3mdev_master_upper_ifindex_by_index(struct net *net, int ifindex)
+{
+	return 0;
+}
+
+static inline
 struct net_device *l3mdev_master_dev_rcu(const struct net_device *dev)
 {
 	return NULL;
diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h
index 33fd9ba7e0e5..671113bcb2cc 100644
--- a/include/net/lwtunnel.h
+++ b/include/net/lwtunnel.h
@@ -126,6 +126,8 @@ int lwtunnel_cmp_encap(struct lwtunnel_state *a, struct lwtunnel_state *b);
 int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int lwtunnel_input(struct sk_buff *skb);
 int lwtunnel_xmit(struct sk_buff *skb);
+int bpf_lwt_push_ip_encap(struct sk_buff *skb, void *hdr, u32 len,
+			  bool ingress);
 
 static inline void lwtunnel_set_redirect(struct dst_entry *dst)
 {
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 71985e95d2d9..112dc18c658f 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -6,7 +6,7 @@
  * Copyright 2007-2010	Johannes Berg <johannes@sipsolutions.net>
  * Copyright 2013-2014  Intel Mobile Communications GmbH
  * Copyright (C) 2015 - 2017 Intel Deutschland GmbH
- * Copyright (C) 2018        Intel Corporation
+ * Copyright (C) 2018 - 2019 Intel Corporation
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -108,9 +108,15 @@
  * The driver is expected to initialize its private per-queue data for stations
  * and interfaces in the .add_interface and .sta_add ops.
  *
- * The driver can't access the queue directly. To dequeue a frame, it calls
- * ieee80211_tx_dequeue(). Whenever mac80211 adds a new frame to a queue, it
- * calls the .wake_tx_queue driver op.
+ * The driver can't access the queue directly. To dequeue a frame from a
+ * txq, it calls ieee80211_tx_dequeue(). Whenever mac80211 adds a new frame to a
+ * queue, it calls the .wake_tx_queue driver op.
+ *
+ * Drivers can optionally delegate responsibility for scheduling queues to
+ * mac80211, to take advantage of airtime fairness accounting. In this case, to
+ * obtain the next queue to pull frames from, the driver calls
+ * ieee80211_next_txq(). The driver is then expected to return the txq using
+ * ieee80211_return_txq().
  *
  * For AP powersave TIM handling, the driver only needs to indicate if it has
  * buffered packets in the driver specific data structures by calling
@@ -467,7 +473,7 @@ struct ieee80211_mu_group_data {
 };
 
 /**
- * ieee80211_ftm_responder_params - FTM responder parameters
+ * struct ieee80211_ftm_responder_params - FTM responder parameters
  *
  * @lci: LCI subelement content
  * @civicloc: CIVIC location subelement content
@@ -496,6 +502,8 @@ struct ieee80211_ftm_responder_params {
  * @uora_ocw_range: UORA element's OCW Range field
  * @frame_time_rts_th: HE duration RTS threshold, in units of 32us
  * @he_support: does this BSS support HE
+ * @twt_requester: does this BSS support TWT requester (relevant for managed
+ *	mode only, set if the AP advertises TWT responder role)
  * @assoc: association status
  * @ibss_joined: indicates whether this station is part of an IBSS
  *	or not
@@ -583,6 +591,14 @@ struct ieee80211_ftm_responder_params {
  * @ftm_responder: whether to enable or disable fine timing measurement FTM
  *	responder functionality.
  * @ftmr_params: configurable lci/civic parameter when enabling FTM responder.
+ * @nontransmitted: this BSS is a nontransmitted BSS profile
+ * @transmitter_bssid: the address of transmitter AP
+ * @bssid_index: index inside the multiple BSSID set
+ * @bssid_indicator: 2^bssid_indicator is the maximum number of APs in set
+ * @ema_ap: AP supports enhancements of discovery and advertisement of
+ *	nontransmitted BSSIDs
+ * @profile_periodicity: the least number of beacon frames need to be received
+ *	in order to discover all the nontransmitted BSSIDs in the set.
  */
 struct ieee80211_bss_conf {
 	const u8 *bssid;
@@ -594,6 +610,7 @@ struct ieee80211_bss_conf {
 	u8 uora_ocw_range;
 	u16 frame_time_rts_th;
 	bool he_support;
+	bool twt_requester;
 	/* association related data */
 	bool assoc, ibss_joined;
 	bool ibss_creator;
@@ -635,6 +652,13 @@ struct ieee80211_bss_conf {
 	bool protected_keep_alive;
 	bool ftm_responder;
 	struct ieee80211_ftm_responder_params *ftmr_params;
+	/* Multiple BSSID data */
+	bool nontransmitted;
+	u8 transmitter_bssid[ETH_ALEN];
+	u8 bssid_index;
+	u8 bssid_indicator;
+	bool ema_ap;
+	u8 profile_periodicity;
 };
 
 /**
@@ -933,8 +957,32 @@ ieee80211_rate_get_vht_nss(const struct ieee80211_tx_rate *rate)
  * @band: the band to transmit on (use for checking for races)
  * @hw_queue: HW queue to put the frame on, skb_get_queue_mapping() gives the AC
  * @ack_frame_id: internal frame ID for TX status, used internally
- * @control: union for control data
- * @status: union for status data
+ * @control: union part for control data
+ * @control.rates: TX rates array to try
+ * @control.rts_cts_rate_idx: rate for RTS or CTS
+ * @control.use_rts: use RTS
+ * @control.use_cts_prot: use RTS/CTS
+ * @control.short_preamble: use short preamble (CCK only)
+ * @control.skip_table: skip externally configured rate table
+ * @control.jiffies: timestamp for expiry on powersave clients
+ * @control.vif: virtual interface (may be NULL)
+ * @control.hw_key: key to encrypt with (may be NULL)
+ * @control.flags: control flags, see &enum mac80211_tx_control_flags
+ * @control.enqueue_time: enqueue time (for iTXQs)
+ * @driver_rates: alias to @control.rates to reserve space
+ * @pad: padding
+ * @rate_driver_data: driver use area if driver needs @control.rates
+ * @status: union part for status data
+ * @status.rates: attempted rates
+ * @status.ack_signal: ACK signal
+ * @status.ampdu_ack_len: AMPDU ack length
+ * @status.ampdu_len: AMPDU length
+ * @status.antenna: (legacy, kept only for iwlegacy)
+ * @status.tx_time: airtime consumed for transmission
+ * @status.is_valid_ack_signal: ACK signal is valid
+ * @status.status_driver_data: driver use area
+ * @ack: union part for pure ACK data
+ * @ack.cookie: cookie for the ACK
  * @driver_data: array of driver_data pointers
  * @ampdu_ack_len: number of acked aggregated frames.
  * 	relevant only if IEEE80211_TX_STAT_AMPDU was set.
@@ -1154,6 +1202,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  * @RX_FLAG_AMPDU_EOF_BIT_KNOWN: The EOF value is known
  * @RX_FLAG_RADIOTAP_HE: HE radiotap data is present
  *	(&struct ieee80211_radiotap_he, mac80211 will fill in
+ *	
  *	 - DATA3_DATA_MCS
  *	 - DATA3_DATA_DCM
  *	 - DATA3_CODING
@@ -1161,6 +1210,7 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  *	 - DATA5_DATA_BW_RU_ALLOC
  *	 - DATA6_NSTS
  *	 - DATA3_STBC
+ *	
  *	from the RX info data, so leave those zeroed when building this data)
  * @RX_FLAG_RADIOTAP_HE_MU: HE MU radiotap data is present
  *	(&struct ieee80211_radiotap_he_mu)
@@ -1211,7 +1261,7 @@ enum mac80211_rx_flags {
  * @RX_ENC_FLAG_HT_GF: This frame was received in a HT-greenfield transmission,
  *	if the driver fills this value it should add
  *	%IEEE80211_RADIOTAP_MCS_HAVE_FMT
- *	to hw.radiotap_mcs_details to advertise that fact
+ *	to @hw.radiotap_mcs_details to advertise that fact.
  * @RX_ENC_FLAG_LDPC: LDPC was used
  * @RX_ENC_FLAG_STBC_MASK: STBC 2 bit bitmask. 1 - Nss=1, 2 - Nss=2, 3 - Nss=3
  * @RX_ENC_FLAG_BF: packet was beamformed
@@ -1469,6 +1519,9 @@ struct ieee80211_conf {
  *	scheduled channel switch, as indicated by the AP.
  * @chandef: the new channel to switch to
  * @count: the number of TBTT's until the channel switch event
+ * @delay: maximum delay between the time the AP transmitted the last beacon in
+  *	current channel and the expected time of the first beacon in the new
+  *	channel, expressed in TU.
  */
 struct ieee80211_channel_switch {
 	u64 timestamp;
@@ -1476,6 +1529,7 @@ struct ieee80211_channel_switch {
 	bool block_tx;
 	struct cfg80211_chan_def chandef;
 	u8 count;
+	u32 delay;
 };
 
 /**
@@ -2181,6 +2235,14 @@ struct ieee80211_txq {
  *	MMPDUs on station interfaces. This of course requires the driver to use
  *	TXQs to start with.
  *
+ * @IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN: Driver does not report accurate A-MPDU
+ *	length in tx status information
+ *
+ * @IEEE80211_HW_SUPPORTS_MULTI_BSSID: Hardware supports multi BSSID
+ *
+ * @IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID: Hardware supports multi BSSID
+ *	only for HE APs. Applies if @IEEE80211_HW_SUPPORTS_MULTI_BSSID is set.
+ *
  * @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
  */
 enum ieee80211_hw_flags {
@@ -2229,6 +2291,9 @@ enum ieee80211_hw_flags {
 	IEEE80211_HW_BUFF_MMPDU_TXQ,
 	IEEE80211_HW_SUPPORTS_VHT_EXT_NSS_BW,
 	IEEE80211_HW_STA_MMPDU_TXQ,
+	IEEE80211_HW_TX_STATUS_NO_AMPDU_LEN,
+	IEEE80211_HW_SUPPORTS_MULTI_BSSID,
+	IEEE80211_HW_SUPPORTS_ONLY_HE_MULTI_BSSID,
 
 	/* keep last, obviously */
 	NUM_IEEE80211_HW_FLAGS
@@ -2320,12 +2385,14 @@ enum ieee80211_hw_flags {
  * @radiotap_he: HE radiotap validity flags
  *
  * @radiotap_timestamp: Information for the radiotap timestamp field; if the
- *	'units_pos' member is set to a non-negative value it must be set to
- *	a combination of a IEEE80211_RADIOTAP_TIMESTAMP_UNIT_* and a
- *	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_* value, and then the timestamp
+ *	@units_pos member is set to a non-negative value then the timestamp
  *	field will be added and populated from the &struct ieee80211_rx_status
- *	device_timestamp. If the 'accuracy' member is non-negative, it's put
- *	into the accuracy radiotap field and the accuracy known flag is set.
+ *	device_timestamp.
+ * @radiotap_timestamp.units_pos: Must be set to a combination of a
+ *	IEEE80211_RADIOTAP_TIMESTAMP_UNIT_* and a
+ *	IEEE80211_RADIOTAP_TIMESTAMP_SPOS_* value.
+ * @radiotap_timestamp.accuracy: If non-negative, fills the accuracy in the
+ *	radiotap field and the accuracy known flag will be set.
  *
  * @netdev_features: netdev features to be set in each netdev created
  *	from this HW. Note that not all features are usable with mac80211,
@@ -2351,6 +2418,9 @@ enum ieee80211_hw_flags {
  * @tx_sk_pacing_shift: Pacing shift to set on TCP sockets when frames from
  *	them are encountered. The default should typically not be changed,
  *	unless the driver has good reasons for needing more buffers.
+ *
+ * @weight_multiplier: Driver specific airtime weight multiplier used while
+ *	refilling deficit of each TXQ.
  */
 struct ieee80211_hw {
 	struct ieee80211_conf conf;
@@ -2387,6 +2457,7 @@ struct ieee80211_hw {
 	const struct ieee80211_cipher_scheme *cipher_schemes;
 	u8 max_nan_de_entries;
 	u8 tx_sk_pacing_shift;
+	u8 weight_multiplier;
 };
 
 static inline bool _ieee80211_hw_check(struct ieee80211_hw *hw,
@@ -3239,6 +3310,11 @@ enum ieee80211_reconfig_type {
  *	When the scan finishes, ieee80211_scan_completed() must be called;
  *	note that it also must be called when the scan cannot finish due to
  *	any error unless this callback returned a negative error code.
+ *	This callback is also allowed to return the special return value 1,
+ *	this indicates that hardware scan isn't desirable right now and a
+ *	software scan should be done instead. A driver wishing to use this
+ *	capability must ensure its (hardware) scan capabilities aren't
+ *	advertised as more capable than mac80211's software scan is.
  *	The callback can sleep.
  *
  * @cancel_hw_scan: Ask the low-level tp cancel the active hw scan.
@@ -3567,7 +3643,12 @@ enum ieee80211_reconfig_type {
  * @post_channel_switch: This is an optional callback that is called
  *	after a channel switch procedure is completed, allowing the
  *	driver to go back to a normal configuration.
- *
+ * @abort_channel_switch: This is an optional callback that is called
+ *	when channel switch procedure was completed, allowing the
+ *	driver to go back to a normal configuration.
+ * @channel_switch_rx_beacon: This is an optional callback that is called
+ *	when channel switch procedure is in progress and additional beacon with
+ *	CSA IE was received, allowing driver to track changes in count.
  * @join_ibss: Join an IBSS (on an IBSS interface); this is called after all
  *	information in bss_conf is set up and the beacon can be retrieved. A
  *	channel context is bound before this is called.
@@ -3623,6 +3704,9 @@ enum ieee80211_reconfig_type {
  *	skb is always a real frame, head may or may not be an A-MSDU.
  * @get_ftm_responder_stats: Retrieve FTM responder statistics, if available.
  *	Statistics should be cumulative, currently no way to reset is provided.
+ *
+ * @start_pmsr: start peer measurement (e.g. FTM) (this call can sleep)
+ * @abort_pmsr: abort peer measurement (this call can sleep)
  */
 struct ieee80211_ops {
 	void (*tx)(struct ieee80211_hw *hw,
@@ -3867,6 +3951,11 @@ struct ieee80211_ops {
 
 	int (*post_channel_switch)(struct ieee80211_hw *hw,
 				   struct ieee80211_vif *vif);
+	void (*abort_channel_switch)(struct ieee80211_hw *hw,
+				     struct ieee80211_vif *vif);
+	void (*channel_switch_rx_beacon)(struct ieee80211_hw *hw,
+					 struct ieee80211_vif *vif,
+					 struct ieee80211_channel_switch *ch_switch);
 
 	int (*join_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 	void (*leave_ibss)(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
@@ -3911,6 +4000,10 @@ struct ieee80211_ops {
 	int (*get_ftm_responder_stats)(struct ieee80211_hw *hw,
 				       struct ieee80211_vif *vif,
 				       struct cfg80211_ftm_responder_stats *ftm_stats);
+	int (*start_pmsr)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			  struct cfg80211_pmsr_request *request);
+	void (*abort_pmsr)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			   struct cfg80211_pmsr_request *request);
 };
 
 /**
@@ -5387,6 +5480,34 @@ void ieee80211_sta_eosp(struct ieee80211_sta *pubsta);
 void ieee80211_send_eosp_nullfunc(struct ieee80211_sta *pubsta, int tid);
 
 /**
+ * ieee80211_sta_register_airtime - register airtime usage for a sta/tid
+ *
+ * Register airtime usage for a given sta on a given tid. The driver can call
+ * this function to notify mac80211 that a station used a certain amount of
+ * airtime. This information will be used by the TXQ scheduler to schedule
+ * stations in a way that ensures airtime fairness.
+ *
+ * The reported airtime should as a minimum include all time that is spent
+ * transmitting to the remote station, including overhead and padding, but not
+ * including time spent waiting for a TXOP. If the time is not reported by the
+ * hardware it can in some cases be calculated from the rate and known frame
+ * composition. When possible, the time should include any failed transmission
+ * attempts.
+ *
+ * The driver can either call this function synchronously for every packet or
+ * aggregate, or asynchronously as airtime usage information becomes available.
+ * TX and RX airtime can be reported together, or separately by setting one of
+ * them to 0.
+ *
+ * @pubsta: the station
+ * @tid: the TID to register airtime for
+ * @tx_airtime: airtime used during TX (in usec)
+ * @rx_airtime: airtime used during RX (in usec)
+ */
+void ieee80211_sta_register_airtime(struct ieee80211_sta *pubsta, u8 tid,
+				    u32 tx_airtime, u32 rx_airtime);
+
+/**
  * ieee80211_iter_keys - iterate keys programmed into the device
  * @hw: pointer obtained from ieee80211_alloc_hw()
  * @vif: virtual interface to iterate, may be %NULL for all
@@ -6088,14 +6209,116 @@ void ieee80211_unreserve_tid(struct ieee80211_sta *sta, u8 tid);
  * ieee80211_tx_dequeue - dequeue a packet from a software tx queue
  *
  * @hw: pointer as obtained from ieee80211_alloc_hw()
- * @txq: pointer obtained from station or virtual interface
+ * @txq: pointer obtained from station or virtual interface, or from
+ *	ieee80211_next_txq()
  *
  * Returns the skb if successful, %NULL if no frame was available.
+ *
+ * Note that this must be called in an rcu_read_lock() critical section,
+ * which can only be released after the SKB was handled. Some pointers in
+ * skb->cb, e.g. the key pointer, are protected by by RCU and thus the
+ * critical section must persist not just for the duration of this call
+ * but for the duration of the frame handling.
+ * However, also note that while in the wake_tx_queue() method,
+ * rcu_read_lock() is already held.
  */
 struct sk_buff *ieee80211_tx_dequeue(struct ieee80211_hw *hw,
 				     struct ieee80211_txq *txq);
 
 /**
+ * ieee80211_next_txq - get next tx queue to pull packets from
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @ac: AC number to return packets from.
+ *
+ * Returns the next txq if successful, %NULL if no queue is eligible. If a txq
+ * is returned, it should be returned with ieee80211_return_txq() after the
+ * driver has finished scheduling it.
+ */
+struct ieee80211_txq *ieee80211_next_txq(struct ieee80211_hw *hw, u8 ac);
+
+/**
+ * ieee80211_txq_schedule_start - start new scheduling round for TXQs
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @ac: AC number to acquire locks for
+ *
+ * Should be called before ieee80211_next_txq() or ieee80211_return_txq().
+ * The driver must not call multiple TXQ scheduling rounds concurrently.
+ */
+void ieee80211_txq_schedule_start(struct ieee80211_hw *hw, u8 ac);
+
+/* (deprecated) */
+static inline void ieee80211_txq_schedule_end(struct ieee80211_hw *hw, u8 ac)
+{
+}
+
+void __ieee80211_schedule_txq(struct ieee80211_hw *hw,
+			      struct ieee80211_txq *txq, bool force);
+
+/**
+ * ieee80211_schedule_txq - schedule a TXQ for transmission
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @txq: pointer obtained from station or virtual interface
+ *
+ * Schedules a TXQ for transmission if it is not already scheduled,
+ * even if mac80211 does not have any packets buffered.
+ *
+ * The driver may call this function if it has buffered packets for
+ * this TXQ internally.
+ */
+static inline void
+ieee80211_schedule_txq(struct ieee80211_hw *hw, struct ieee80211_txq *txq)
+{
+	__ieee80211_schedule_txq(hw, txq, true);
+}
+
+/**
+ * ieee80211_return_txq - return a TXQ previously acquired by ieee80211_next_txq()
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @txq: pointer obtained from station or virtual interface
+ * @force: schedule txq even if mac80211 does not have any buffered packets.
+ *
+ * The driver may set force=true if it has buffered packets for this TXQ
+ * internally.
+ */
+static inline void
+ieee80211_return_txq(struct ieee80211_hw *hw, struct ieee80211_txq *txq,
+		     bool force)
+{
+	__ieee80211_schedule_txq(hw, txq, force);
+}
+
+/**
+ * ieee80211_txq_may_transmit - check whether TXQ is allowed to transmit
+ *
+ * This function is used to check whether given txq is allowed to transmit by
+ * the airtime scheduler, and can be used by drivers to access the airtime
+ * fairness accounting without going using the scheduling order enfored by
+ * next_txq().
+ *
+ * Returns %true if the airtime scheduler thinks the TXQ should be allowed to
+ * transmit, and %false if it should be throttled. This function can also have
+ * the side effect of rotating the TXQ in the scheduler rotation, which will
+ * eventually bring the deficit to positive and allow the station to transmit
+ * again.
+ *
+ * The API ieee80211_txq_may_transmit() also ensures that TXQ list will be
+ * aligned aginst driver's own round-robin scheduler list. i.e it rotates
+ * the TXQ list till it makes the requested node becomes the first entry
+ * in TXQ list. Thus both the TXQ list and driver's list are in sync. If this
+ * function returns %true, the driver is expected to schedule packets
+ * for transmission, and then return the TXQ through ieee80211_return_txq().
+ *
+ * @hw: pointer as obtained from ieee80211_alloc_hw()
+ * @txq: pointer obtained from station or virtual interface
+ */
+bool ieee80211_txq_may_transmit(struct ieee80211_hw *hw,
+				struct ieee80211_txq *txq);
+
+/**
  * ieee80211_txq_get_depth - get pending frame/byte count of given txq
  *
  * The values are not guaranteed to be coherent with regard to each other, i.e.
diff --git a/include/net/neighbour.h b/include/net/neighbour.h
index 665990c7dec8..7c1ab9edba03 100644
--- a/include/net/neighbour.h
+++ b/include/net/neighbour.h
@@ -140,8 +140,8 @@ struct neighbour {
 	unsigned long		updated;
 	rwlock_t		lock;
 	refcount_t		refcnt;
-	struct sk_buff_head	arp_queue;
 	unsigned int		arp_queue_len_bytes;
+	struct sk_buff_head	arp_queue;
 	struct timer_list	timer;
 	unsigned long		used;
 	atomic_t		probes;
@@ -149,11 +149,13 @@ struct neighbour {
 	__u8			nud_state;
 	__u8			type;
 	__u8			dead;
+	u8			protocol;
 	seqlock_t		ha_lock;
-	unsigned char		ha[ALIGN(MAX_ADDR_LEN, sizeof(unsigned long))];
+	unsigned char		ha[ALIGN(MAX_ADDR_LEN, sizeof(unsigned long))] __aligned(8);
 	struct hh_cache		hh;
 	int			(*output)(struct neighbour *, struct sk_buff *);
 	const struct neigh_ops	*ops;
+	struct list_head	gc_list;
 	struct rcu_head		rcu;
 	struct net_device	*dev;
 	u8			primary_key[0];
@@ -172,6 +174,7 @@ struct pneigh_entry {
 	possible_net_t		net;
 	struct net_device	*dev;
 	u8			flags;
+	u8			protocol;
 	u8			key[0];
 };
 
@@ -214,6 +217,8 @@ struct neigh_table {
 	struct timer_list 	proxy_timer;
 	struct sk_buff_head	proxy_queue;
 	atomic_t		entries;
+	atomic_t		gc_entries;
+	struct list_head	gc_list;
 	rwlock_t		lock;
 	unsigned long		last_rand;
 	struct neigh_statistics	__percpu *stats;
@@ -250,6 +255,7 @@ static inline void *neighbour_priv(const struct neighbour *n)
 #define NEIGH_UPDATE_F_ISROUTER			0x40000000
 #define NEIGH_UPDATE_F_ADMIN			0x80000000
 
+extern const struct nla_policy nda_policy[];
 
 static inline bool neigh_key_eq16(const struct neighbour *n, const void *pkey)
 {
@@ -546,24 +552,6 @@ static inline void neigh_ha_snapshot(char *dst, const struct neighbour *n,
 	} while (read_seqretry(&n->ha_lock, seq));
 }
 
-static inline void neigh_update_ext_learned(struct neighbour *neigh, u32 flags,
-					    int *notify)
-{
-	u8 ndm_flags = 0;
-
-	if (!(flags & NEIGH_UPDATE_F_ADMIN))
-		return;
-
-	ndm_flags |= (flags & NEIGH_UPDATE_F_EXT_LEARNED) ? NTF_EXT_LEARNED : 0;
-	if ((neigh->flags ^ ndm_flags) & NTF_EXT_LEARNED) {
-		if (ndm_flags & NTF_EXT_LEARNED)
-			neigh->flags |= NTF_EXT_LEARNED;
-		else
-			neigh->flags &= ~NTF_EXT_LEARNED;
-		*notify = 1;
-	}
-}
-
 static inline void neigh_update_is_router(struct neighbour *neigh, u32 flags,
 					  int *notify)
 {
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 99d4148e0f90..12689ddfc24c 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -31,6 +31,7 @@
 #include <net/netns/xfrm.h>
 #include <net/netns/mpls.h>
 #include <net/netns/can.h>
+#include <net/netns/xdp.h>
 #include <linux/ns_common.h>
 #include <linux/idr.h>
 #include <linux/skbuff.h>
@@ -58,6 +59,7 @@ struct net {
 						 */
 	spinlock_t		rules_mod_lock;
 
+	u32			hash_mix;
 	atomic64_t		cookie_gen;
 
 	struct list_head	list;		/* list of network namespaces */
@@ -161,6 +163,9 @@ struct net {
 #if IS_ENABLED(CONFIG_CAN)
 	struct netns_can	can;
 #endif
+#ifdef CONFIG_XDP_SOCKETS
+	struct netns_xdp	xdp;
+#endif
 	struct sock		*diag_nlsk;
 	atomic_t		fnhe_genid;
 } __randomize_layout;
diff --git a/include/net/netfilter/br_netfilter.h b/include/net/netfilter/br_netfilter.h
index 74af19c3a8f7..89808ce293c4 100644
--- a/include/net/netfilter/br_netfilter.h
+++ b/include/net/netfilter/br_netfilter.h
@@ -6,12 +6,12 @@
 
 static inline struct nf_bridge_info *nf_bridge_alloc(struct sk_buff *skb)
 {
-	skb->nf_bridge = kzalloc(sizeof(struct nf_bridge_info), GFP_ATOMIC);
+	struct nf_bridge_info *b = skb_ext_add(skb, SKB_EXT_BRIDGE_NF);
 
-	if (likely(skb->nf_bridge))
-		refcount_set(&(skb->nf_bridge->use), 1);
+	if (b)
+		memset(b, 0, sizeof(*b));
 
-	return skb->nf_bridge;
+	return b;
 }
 
 void nf_bridge_update_protocol(struct sk_buff *skb);
@@ -22,12 +22,6 @@ int br_nf_hook_thresh(unsigned int hook, struct net *net, struct sock *sk,
 		      int (*okfn)(struct net *, struct sock *,
 				  struct sk_buff *));
 
-static inline struct nf_bridge_info *
-nf_bridge_info_get(const struct sk_buff *skb)
-{
-	return skb->nf_bridge;
-}
-
 unsigned int nf_bridge_encap_header_len(const struct sk_buff *skb);
 
 static inline void nf_bridge_push_encap_header(struct sk_buff *skb)
@@ -49,7 +43,6 @@ static inline struct rtable *bridge_parent_rtable(const struct net_device *dev)
 }
 
 struct net_device *setup_pre_routing(struct sk_buff *skb);
-void br_netfilter_enable(void);
 
 #if IS_ENABLED(CONFIG_IPV6)
 int br_validate_ipv6(struct net *net, struct sk_buff *skb);
diff --git a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
index 135ee702c7b0..2c8c2b023848 100644
--- a/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
+++ b/include/net/netfilter/ipv4/nf_conntrack_ipv4.h
@@ -22,5 +22,8 @@ extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp;
 #ifdef CONFIG_NF_CT_PROTO_UDPLITE
 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite;
 #endif
+#ifdef CONFIG_NF_CT_PROTO_GRE
+extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_gre;
+#endif
 
 #endif /*_NF_CONNTRACK_IPV4_H*/
diff --git a/include/net/netfilter/ipv4/nf_reject.h b/include/net/netfilter/ipv4/nf_reject.h
index 2eb43fcefc50..40e0e0623f46 100644
--- a/include/net/netfilter/ipv4/nf_reject.h
+++ b/include/net/netfilter/ipv4/nf_reject.h
@@ -5,6 +5,7 @@
 #include <linux/skbuff.h>
 #include <net/ip.h>
 #include <net/icmp.h>
+#include <net/netfilter/nf_reject.h>
 
 void nf_send_unreach(struct sk_buff *skb_in, int code, int hook);
 void nf_send_reset(struct net *net, struct sk_buff *oldskb, int hook);
diff --git a/include/net/netfilter/ipv6/nf_reject.h b/include/net/netfilter/ipv6/nf_reject.h
index 3a5a9a36a0b2..4a3ef9ebdf6f 100644
--- a/include/net/netfilter/ipv6/nf_reject.h
+++ b/include/net/netfilter/ipv6/nf_reject.h
@@ -3,6 +3,7 @@
 #define _IPV6_NF_REJECT_H
 
 #include <linux/icmpv6.h>
+#include <net/netfilter/nf_reject.h>
 
 void nf_send_unreach6(struct net *net, struct sk_buff *skb_in, unsigned char code,
 		      unsigned int hooknum);
diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h
index 7e012312cd61..d2bc733a2ef1 100644
--- a/include/net/netfilter/nf_conntrack.h
+++ b/include/net/netfilter/nf_conntrack.h
@@ -27,12 +27,17 @@
 
 #include <net/netfilter/nf_conntrack_tuple.h>
 
+struct nf_ct_udp {
+	unsigned long	stream_ts;
+};
+
 /* per conntrack: protocol private data */
 union nf_conntrack_proto {
 	/* insert conntrack proto private data here */
 	struct nf_ct_dccp dccp;
 	struct ip_ct_sctp sctp;
 	struct ip_ct_tcp tcp;
+	struct nf_ct_udp udp;
 	struct nf_ct_gre gre;
 	unsigned int tmpl_padto;
 };
@@ -182,28 +187,26 @@ bool nf_ct_delete(struct nf_conn *ct, u32 pid, int report);
 bool nf_ct_get_tuplepr(const struct sk_buff *skb, unsigned int nhoff,
 		       u_int16_t l3num, struct net *net,
 		       struct nf_conntrack_tuple *tuple);
-bool nf_ct_invert_tuplepr(struct nf_conntrack_tuple *inverse,
-			  const struct nf_conntrack_tuple *orig);
 
 void __nf_ct_refresh_acct(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
 			  const struct sk_buff *skb,
-			  unsigned long extra_jiffies, int do_acct);
+			  u32 extra_jiffies, bool do_acct);
 
 /* Refresh conntrack for this many jiffies and do accounting */
 static inline void nf_ct_refresh_acct(struct nf_conn *ct,
 				      enum ip_conntrack_info ctinfo,
 				      const struct sk_buff *skb,
-				      unsigned long extra_jiffies)
+				      u32 extra_jiffies)
 {
-	__nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies, 1);
+	__nf_ct_refresh_acct(ct, ctinfo, skb, extra_jiffies, true);
 }
 
 /* Refresh conntrack for this many jiffies */
 static inline void nf_ct_refresh(struct nf_conn *ct,
 				 const struct sk_buff *skb,
-				 unsigned long extra_jiffies)
+				 u32 extra_jiffies)
 {
-	__nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, 0);
+	__nf_ct_refresh_acct(ct, 0, skb, extra_jiffies, false);
 }
 
 /* kill conntrack and do accounting */
@@ -313,6 +316,8 @@ struct nf_conn *nf_ct_tmpl_alloc(struct net *net,
 				 gfp_t flags);
 void nf_ct_tmpl_free(struct nf_conn *tmpl);
 
+u32 nf_ct_get_id(const struct nf_conn *ct);
+
 static inline void
 nf_ct_set(struct sk_buff *skb, struct nf_conn *ct, enum ip_conntrack_info info)
 {
diff --git a/include/net/netfilter/nf_conntrack_acct.h b/include/net/netfilter/nf_conntrack_acct.h
index 79d8d16732b4..bc6745d3010e 100644
--- a/include/net/netfilter/nf_conntrack_acct.h
+++ b/include/net/netfilter/nf_conntrack_acct.h
@@ -46,9 +46,6 @@ struct nf_conn_acct *nf_ct_acct_ext_add(struct nf_conn *ct, gfp_t gfp)
 	return acct;
 };
 
-unsigned int seq_print_acct(struct seq_file *s, const struct nf_conn *ct,
-			    int dir);
-
 /* Check if connection tracking accounting is enabled */
 static inline bool nf_ct_acct_enabled(struct net *net)
 {
@@ -61,8 +58,7 @@ static inline void nf_ct_set_acct(struct net *net, bool enable)
 	net->ct.sysctl_acct = enable;
 }
 
-int nf_conntrack_acct_pernet_init(struct net *net);
-void nf_conntrack_acct_pernet_fini(struct net *net);
+void nf_conntrack_acct_pernet_init(struct net *net);
 
 int nf_conntrack_acct_init(void);
 void nf_conntrack_acct_fini(void);
diff --git a/include/net/netfilter/nf_conntrack_core.h b/include/net/netfilter/nf_conntrack_core.h
index afc9b3620473..ae41e92251dd 100644
--- a/include/net/netfilter/nf_conntrack_core.h
+++ b/include/net/netfilter/nf_conntrack_core.h
@@ -26,7 +26,7 @@ int nf_conntrack_init_net(struct net *net);
 void nf_conntrack_cleanup_net(struct net *net);
 void nf_conntrack_cleanup_net_list(struct list_head *net_exit_list);
 
-int nf_conntrack_proto_pernet_init(struct net *net);
+void nf_conntrack_proto_pernet_init(struct net *net);
 void nf_conntrack_proto_pernet_fini(struct net *net);
 
 int nf_conntrack_proto_init(void);
@@ -39,8 +39,7 @@ void nf_conntrack_init_end(void);
 void nf_conntrack_cleanup_end(void);
 
 bool nf_ct_invert_tuple(struct nf_conntrack_tuple *inverse,
-			const struct nf_conntrack_tuple *orig,
-			const struct nf_conntrack_l4proto *l4proto);
+			const struct nf_conntrack_tuple *orig);
 
 /* Find a connection corresponding to a tuple. */
 struct nf_conntrack_tuple_hash *
diff --git a/include/net/netfilter/nf_conntrack_count.h b/include/net/netfilter/nf_conntrack_count.h
index 4b2b2baf8ab4..f32fc8289473 100644
--- a/include/net/netfilter/nf_conntrack_count.h
+++ b/include/net/netfilter/nf_conntrack_count.h
@@ -5,17 +5,10 @@
 
 struct nf_conncount_data;
 
-enum nf_conncount_list_add {
-	NF_CONNCOUNT_ADDED, 	/* list add was ok */
-	NF_CONNCOUNT_ERR,	/* -ENOMEM, must drop skb */
-	NF_CONNCOUNT_SKIP,	/* list is already reclaimed by gc */
-};
-
 struct nf_conncount_list {
 	spinlock_t list_lock;
 	struct list_head head;	/* connections with the same filtering key */
 	unsigned int count;	/* length of list */
-	bool dead;
 };
 
 struct nf_conncount_data *nf_conncount_init(struct net *net, unsigned int family,
@@ -29,18 +22,12 @@ unsigned int nf_conncount_count(struct net *net,
 				const struct nf_conntrack_tuple *tuple,
 				const struct nf_conntrack_zone *zone);
 
-void nf_conncount_lookup(struct net *net, struct nf_conncount_list *list,
-			 const struct nf_conntrack_tuple *tuple,
-			 const struct nf_conntrack_zone *zone,
-			 bool *addit);
+int nf_conncount_add(struct net *net, struct nf_conncount_list *list,
+		     const struct nf_conntrack_tuple *tuple,
+		     const struct nf_conntrack_zone *zone);
 
 void nf_conncount_list_init(struct nf_conncount_list *list);
 
-enum nf_conncount_list_add
-nf_conncount_add(struct nf_conncount_list *list,
-		 const struct nf_conntrack_tuple *tuple,
-		 const struct nf_conntrack_zone *zone);
-
 bool nf_conncount_gc_list(struct net *net,
 			  struct nf_conncount_list *list);
 
diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h
index 3f1ce9a8776e..52b44192b43f 100644
--- a/include/net/netfilter/nf_conntrack_ecache.h
+++ b/include/net/netfilter/nf_conntrack_ecache.h
@@ -142,7 +142,7 @@ void nf_ct_expect_event_report(enum ip_conntrack_expect_events event,
 			       struct nf_conntrack_expect *exp,
 			       u32 portid, int report);
 
-int nf_conntrack_ecache_pernet_init(struct net *net);
+void nf_conntrack_ecache_pernet_init(struct net *net);
 void nf_conntrack_ecache_pernet_fini(struct net *net);
 
 int nf_conntrack_ecache_init(void);
@@ -182,10 +182,7 @@ static inline void nf_ct_expect_event_report(enum ip_conntrack_expect_events e,
  					     u32 portid,
  					     int report) {}
 
-static inline int nf_conntrack_ecache_pernet_init(struct net *net)
-{
-	return 0;
-}
+static inline void nf_conntrack_ecache_pernet_init(struct net *net) {}
 
 static inline void nf_conntrack_ecache_pernet_fini(struct net *net)
 {
diff --git a/include/net/netfilter/nf_conntrack_helper.h b/include/net/netfilter/nf_conntrack_helper.h
index 2492120b8097..ec52a8dc32fd 100644
--- a/include/net/netfilter/nf_conntrack_helper.h
+++ b/include/net/netfilter/nf_conntrack_helper.h
@@ -124,8 +124,7 @@ static inline void *nfct_help_data(const struct nf_conn *ct)
 	return (void *)help->data;
 }
 
-int nf_conntrack_helper_pernet_init(struct net *net);
-void nf_conntrack_helper_pernet_fini(struct net *net);
+void nf_conntrack_helper_pernet_init(struct net *net);
 
 int nf_conntrack_helper_init(void);
 void nf_conntrack_helper_fini(void);
diff --git a/include/net/netfilter/nf_conntrack_l4proto.h b/include/net/netfilter/nf_conntrack_l4proto.h
index ae7b86f587f2..a49edfdf47e8 100644
--- a/include/net/netfilter/nf_conntrack_l4proto.h
+++ b/include/net/netfilter/nf_conntrack_l4proto.h
@@ -27,27 +27,6 @@ struct nf_conntrack_l4proto {
 	/* protoinfo nlattr size, closes a hole */
 	u16 nlattr_size;
 
-	/* Try to fill in the third arg: dataoff is offset past network protocol
-           hdr.  Return true if possible. */
-	bool (*pkt_to_tuple)(const struct sk_buff *skb, unsigned int dataoff,
-			     struct net *net, struct nf_conntrack_tuple *tuple);
-
-	/* Invert the per-proto part of the tuple: ie. turn xmit into reply.
-	 * Only used by icmp, most protocols use a generic version.
-	 */
-	bool (*invert_tuple)(struct nf_conntrack_tuple *inverse,
-			     const struct nf_conntrack_tuple *orig);
-
-	/* Returns verdict for packet, or -1 for invalid. */
-	int (*packet)(struct nf_conn *ct,
-		      struct sk_buff *skb,
-		      unsigned int dataoff,
-		      enum ip_conntrack_info ctinfo,
-		      const struct nf_hook_state *state);
-
-	/* Called when a conntrack entry is destroyed */
-	void (*destroy)(struct nf_conn *ct);
-
 	/* called by gc worker if table is full */
 	bool (*can_early_drop)(const struct nf_conn *ct);
 
@@ -79,16 +58,28 @@ struct nf_conntrack_l4proto {
 	/* Print out the private part of the conntrack. */
 	void (*print_conntrack)(struct seq_file *s, struct nf_conn *);
 #endif
-	unsigned int	*net_id;
-	/* Init l4proto pernet data */
-	int (*init_net)(struct net *net);
+};
 
-	/* Return the per-net protocol part. */
-	struct nf_proto_net *(*get_net_proto)(struct net *net);
+bool icmp_pkt_to_tuple(const struct sk_buff *skb,
+		       unsigned int dataoff,
+		       struct net *net,
+		       struct nf_conntrack_tuple *tuple);
 
-	/* Module (if any) which this is connected to. */
-	struct module *me;
-};
+bool icmpv6_pkt_to_tuple(const struct sk_buff *skb,
+			 unsigned int dataoff,
+			 struct net *net,
+			 struct nf_conntrack_tuple *tuple);
+
+bool nf_conntrack_invert_icmp_tuple(struct nf_conntrack_tuple *tuple,
+				    const struct nf_conntrack_tuple *orig);
+bool nf_conntrack_invert_icmpv6_tuple(struct nf_conntrack_tuple *tuple,
+				      const struct nf_conntrack_tuple *orig);
+
+int nf_conntrack_inet_error(struct nf_conn *tmpl, struct sk_buff *skb,
+			    unsigned int dataoff,
+			    const struct nf_hook_state *state,
+			    u8 l4proto,
+			    union nf_inet_addr *outer_daddr);
 
 int nf_conntrack_icmpv4_error(struct nf_conn *tmpl,
 			      struct sk_buff *skb,
@@ -99,31 +90,63 @@ int nf_conntrack_icmpv6_error(struct nf_conn *tmpl,
 			      struct sk_buff *skb,
 			      unsigned int dataoff,
 			      const struct nf_hook_state *state);
+
+int nf_conntrack_icmp_packet(struct nf_conn *ct,
+			     struct sk_buff *skb,
+			     enum ip_conntrack_info ctinfo,
+			     const struct nf_hook_state *state);
+
+int nf_conntrack_icmpv6_packet(struct nf_conn *ct,
+			       struct sk_buff *skb,
+			       enum ip_conntrack_info ctinfo,
+			       const struct nf_hook_state *state);
+
+int nf_conntrack_udp_packet(struct nf_conn *ct,
+			    struct sk_buff *skb,
+			    unsigned int dataoff,
+			    enum ip_conntrack_info ctinfo,
+			    const struct nf_hook_state *state);
+int nf_conntrack_udplite_packet(struct nf_conn *ct,
+				struct sk_buff *skb,
+				unsigned int dataoff,
+				enum ip_conntrack_info ctinfo,
+				const struct nf_hook_state *state);
+int nf_conntrack_tcp_packet(struct nf_conn *ct,
+			    struct sk_buff *skb,
+			    unsigned int dataoff,
+			    enum ip_conntrack_info ctinfo,
+			    const struct nf_hook_state *state);
+int nf_conntrack_dccp_packet(struct nf_conn *ct,
+			     struct sk_buff *skb,
+			     unsigned int dataoff,
+			     enum ip_conntrack_info ctinfo,
+			     const struct nf_hook_state *state);
+int nf_conntrack_sctp_packet(struct nf_conn *ct,
+			     struct sk_buff *skb,
+			     unsigned int dataoff,
+			     enum ip_conntrack_info ctinfo,
+			     const struct nf_hook_state *state);
+int nf_conntrack_gre_packet(struct nf_conn *ct,
+			    struct sk_buff *skb,
+			    unsigned int dataoff,
+			    enum ip_conntrack_info ctinfo,
+			    const struct nf_hook_state *state);
+
+void nf_conntrack_generic_init_net(struct net *net);
+void nf_conntrack_tcp_init_net(struct net *net);
+void nf_conntrack_udp_init_net(struct net *net);
+void nf_conntrack_gre_init_net(struct net *net);
+void nf_conntrack_dccp_init_net(struct net *net);
+void nf_conntrack_sctp_init_net(struct net *net);
+void nf_conntrack_icmp_init_net(struct net *net);
+void nf_conntrack_icmpv6_init_net(struct net *net);
+
 /* Existing built-in generic protocol */
 extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_generic;
 
 #define MAX_NF_CT_PROTO IPPROTO_UDPLITE
 
-const struct nf_conntrack_l4proto *__nf_ct_l4proto_find(u8 l4proto);
-
-const struct nf_conntrack_l4proto *nf_ct_l4proto_find_get(u8 l4proto);
-void nf_ct_l4proto_put(const struct nf_conntrack_l4proto *p);
-
-/* Protocol pernet registration. */
-int nf_ct_l4proto_pernet_register_one(struct net *net,
-				const struct nf_conntrack_l4proto *proto);
-void nf_ct_l4proto_pernet_unregister_one(struct net *net,
-				const struct nf_conntrack_l4proto *proto);
-int nf_ct_l4proto_pernet_register(struct net *net,
-				  const struct nf_conntrack_l4proto *const proto[],
-				  unsigned int num_proto);
-void nf_ct_l4proto_pernet_unregister(struct net *net,
-				const struct nf_conntrack_l4proto *const proto[],
-				unsigned int num_proto);
-
-/* Protocol global registration. */
-int nf_ct_l4proto_register_one(const struct nf_conntrack_l4proto *proto);
-void nf_ct_l4proto_unregister_one(const struct nf_conntrack_l4proto *proto);
+const struct nf_conntrack_l4proto *nf_ct_l4proto_find(u8 l4proto);
 
 /* Generic netlink helpers */
 int nf_ct_port_tuple_to_nlattr(struct sk_buff *skb,
@@ -192,4 +215,11 @@ static inline struct nf_sctp_net *nf_sctp_pernet(struct net *net)
 }
 #endif
 
+#ifdef CONFIG_NF_CT_PROTO_GRE
+static inline struct nf_gre_net *nf_gre_pernet(struct net *net)
+{
+	return &net->ct.nf_ct_proto.gre;
+}
+#endif
+
 #endif /*_NF_CONNTRACK_PROTOCOL_H*/
diff --git a/include/net/netfilter/nf_conntrack_timestamp.h b/include/net/netfilter/nf_conntrack_timestamp.h
index 3b661986be8f..0ed617bf0a3d 100644
--- a/include/net/netfilter/nf_conntrack_timestamp.h
+++ b/include/net/netfilter/nf_conntrack_timestamp.h
@@ -49,21 +49,12 @@ static inline void nf_ct_set_tstamp(struct net *net, bool enable)
 }
 
 #ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
-int nf_conntrack_tstamp_pernet_init(struct net *net);
-void nf_conntrack_tstamp_pernet_fini(struct net *net);
+void nf_conntrack_tstamp_pernet_init(struct net *net);
 
 int nf_conntrack_tstamp_init(void);
 void nf_conntrack_tstamp_fini(void);
 #else
-static inline int nf_conntrack_tstamp_pernet_init(struct net *net)
-{
-	return 0;
-}
-
-static inline void nf_conntrack_tstamp_pernet_fini(struct net *net)
-{
-	return;
-}
+static inline void nf_conntrack_tstamp_pernet_init(struct net *net) {}
 
 static inline int nf_conntrack_tstamp_init(void)
 {
diff --git a/include/net/netfilter/nf_flow_table.h b/include/net/netfilter/nf_flow_table.h
index 77e2761d4f2f..3e370cb36263 100644
--- a/include/net/netfilter/nf_flow_table.h
+++ b/include/net/netfilter/nf_flow_table.h
@@ -84,7 +84,6 @@ struct flow_offload {
 struct nf_flow_route {
 	struct {
 		struct dst_entry	*dst;
-		int			ifindex;
 	} tuple[FLOW_OFFLOAD_DIR_MAX];
 };
 
@@ -95,10 +94,6 @@ void flow_offload_free(struct flow_offload *flow);
 int flow_offload_add(struct nf_flowtable *flow_table, struct flow_offload *flow);
 struct flow_offload_tuple_rhash *flow_offload_lookup(struct nf_flowtable *flow_table,
 						     struct flow_offload_tuple *tuple);
-int nf_flow_table_iterate(struct nf_flowtable *flow_table,
-			  void (*iter)(struct flow_offload *flow, void *data),
-			  void *data);
-
 void nf_flow_table_cleanup(struct net_device *dev);
 
 int nf_flow_table_init(struct nf_flowtable *flow_table);
diff --git a/include/net/netfilter/nf_nat.h b/include/net/netfilter/nf_nat.h
index a17eb2f8d40e..cf332c4e0b32 100644
--- a/include/net/netfilter/nf_nat.h
+++ b/include/net/netfilter/nf_nat.h
@@ -31,8 +31,7 @@ struct nf_conn;
 /* The structure embedded in the conntrack structure. */
 struct nf_conn_nat {
 	union nf_conntrack_nat_help help;
-#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \
-    IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6)
+#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE)
 	int masq_index;
 #endif
 };
@@ -47,10 +46,6 @@ extern unsigned int nf_nat_alloc_null_binding(struct nf_conn *ct,
 
 struct nf_conn_nat *nf_ct_nat_ext_add(struct nf_conn *ct);
 
-/* Is this tuple already taken? (not by us)*/
-int nf_nat_used_tuple(const struct nf_conntrack_tuple *tuple,
-		      const struct nf_conn *ignored_conntrack);
-
 static inline struct nf_conn_nat *nfct_nat(const struct nf_conn *ct)
 {
 #if defined(CONFIG_NF_NAT) || defined(CONFIG_NF_NAT_MODULE)
@@ -65,8 +60,7 @@ static inline bool nf_nat_oif_changed(unsigned int hooknum,
 				      struct nf_conn_nat *nat,
 				      const struct net_device *out)
 {
-#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV4) || \
-    IS_ENABLED(CONFIG_NF_NAT_MASQUERADE_IPV6)
+#if IS_ENABLED(CONFIG_NF_NAT_MASQUERADE)
 	return nat && nat->masq_index && hooknum == NF_INET_POST_ROUTING &&
 	       CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL &&
 	       nat->masq_index != out->ifindex;
@@ -79,4 +73,43 @@ int nf_nat_register_fn(struct net *net, const struct nf_hook_ops *ops,
 		       const struct nf_hook_ops *nat_ops, unsigned int ops_count);
 void nf_nat_unregister_fn(struct net *net, const struct nf_hook_ops *ops,
 			  unsigned int ops_count);
+
+unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
+			   unsigned int hooknum, struct sk_buff *skb);
+
+unsigned int nf_nat_manip_pkt(struct sk_buff *skb, struct nf_conn *ct,
+			      enum nf_nat_manip_type mtype,
+			      enum ip_conntrack_dir dir);
+void nf_nat_csum_recalc(struct sk_buff *skb,
+			u8 nfproto, u8 proto, void *data, __sum16 *check,
+			int datalen, int oldlen);
+
+int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
+				  enum ip_conntrack_info ctinfo,
+				  unsigned int hooknum);
+
+int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
+				    enum ip_conntrack_info ctinfo,
+				    unsigned int hooknum, unsigned int hdrlen);
+
+int nf_nat_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops);
+void nf_nat_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
+
+int nf_nat_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops);
+void nf_nat_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
+
+unsigned int
+nf_nat_inet_fn(void *priv, struct sk_buff *skb,
+	       const struct nf_hook_state *state);
+
+int nf_xfrm_me_harder(struct net *n, struct sk_buff *s, unsigned int family);
+
+static inline int nf_nat_initialized(struct nf_conn *ct,
+				     enum nf_nat_manip_type manip)
+{
+	if (manip == NF_NAT_MANIP_SRC)
+		return ct->status & IPS_SRC_NAT_DONE;
+	else
+		return ct->status & IPS_DST_NAT_DONE;
+}
 #endif
diff --git a/include/net/netfilter/nf_nat_core.h b/include/net/netfilter/nf_nat_core.h
deleted file mode 100644
index dc7cd0440229..000000000000
--- a/include/net/netfilter/nf_nat_core.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _NF_NAT_CORE_H
-#define _NF_NAT_CORE_H
-#include <linux/list.h>
-#include <net/netfilter/nf_conntrack.h>
-#include <net/netfilter/nf_nat.h>
-
-/* This header used to share core functionality between the standalone
-   NAT module, and the compatibility layer's use of NAT for masquerading. */
-
-unsigned int nf_nat_packet(struct nf_conn *ct, enum ip_conntrack_info ctinfo,
-			   unsigned int hooknum, struct sk_buff *skb);
-
-unsigned int
-nf_nat_inet_fn(void *priv, struct sk_buff *skb,
-	       const struct nf_hook_state *state);
-
-int nf_xfrm_me_harder(struct net *net, struct sk_buff *skb, unsigned int family);
-
-static inline int nf_nat_initialized(struct nf_conn *ct,
-				     enum nf_nat_manip_type manip)
-{
-	if (manip == NF_NAT_MANIP_SRC)
-		return ct->status & IPS_SRC_NAT_DONE;
-	else
-		return ct->status & IPS_DST_NAT_DONE;
-}
-
-#endif /* _NF_NAT_CORE_H */
diff --git a/include/net/netfilter/nf_nat_l3proto.h b/include/net/netfilter/nf_nat_l3proto.h
deleted file mode 100644
index d300b8f03972..000000000000
--- a/include/net/netfilter/nf_nat_l3proto.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _NF_NAT_L3PROTO_H
-#define _NF_NAT_L3PROTO_H
-
-struct nf_nat_l4proto;
-struct nf_nat_l3proto {
-	u8	l3proto;
-
-	bool	(*in_range)(const struct nf_conntrack_tuple *t,
-			    const struct nf_nat_range2 *range);
-
-	u32 	(*secure_port)(const struct nf_conntrack_tuple *t, __be16);
-
-	bool	(*manip_pkt)(struct sk_buff *skb,
-			     unsigned int iphdroff,
-			     const struct nf_nat_l4proto *l4proto,
-			     const struct nf_conntrack_tuple *target,
-			     enum nf_nat_manip_type maniptype);
-
-	void	(*csum_update)(struct sk_buff *skb, unsigned int iphdroff,
-			       __sum16 *check,
-			       const struct nf_conntrack_tuple *t,
-			       enum nf_nat_manip_type maniptype);
-
-	void	(*csum_recalc)(struct sk_buff *skb, u8 proto,
-			       void *data, __sum16 *check,
-			       int datalen, int oldlen);
-
-	void	(*decode_session)(struct sk_buff *skb,
-				  const struct nf_conn *ct,
-				  enum ip_conntrack_dir dir,
-				  unsigned long statusbit,
-				  struct flowi *fl);
-
-	int	(*nlattr_to_range)(struct nlattr *tb[],
-				   struct nf_nat_range2 *range);
-};
-
-int nf_nat_l3proto_register(const struct nf_nat_l3proto *);
-void nf_nat_l3proto_unregister(const struct nf_nat_l3proto *);
-const struct nf_nat_l3proto *__nf_nat_l3proto_find(u8 l3proto);
-
-int nf_nat_icmp_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
-				  enum ip_conntrack_info ctinfo,
-				  unsigned int hooknum);
-
-int nf_nat_icmpv6_reply_translation(struct sk_buff *skb, struct nf_conn *ct,
-				    enum ip_conntrack_info ctinfo,
-				    unsigned int hooknum, unsigned int hdrlen);
-
-int nf_nat_l3proto_ipv4_register_fn(struct net *net, const struct nf_hook_ops *ops);
-void nf_nat_l3proto_ipv4_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
-
-int nf_nat_l3proto_ipv6_register_fn(struct net *net, const struct nf_hook_ops *ops);
-void nf_nat_l3proto_ipv6_unregister_fn(struct net *net, const struct nf_hook_ops *ops);
-
-#endif /* _NF_NAT_L3PROTO_H */
diff --git a/include/net/netfilter/nf_nat_l4proto.h b/include/net/netfilter/nf_nat_l4proto.h
deleted file mode 100644
index b4d6b29bca62..000000000000
--- a/include/net/netfilter/nf_nat_l4proto.h
+++ /dev/null
@@ -1,82 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/* Header for use in defining a given protocol. */
-#ifndef _NF_NAT_L4PROTO_H
-#define _NF_NAT_L4PROTO_H
-#include <net/netfilter/nf_nat.h>
-#include <linux/netfilter/nfnetlink_conntrack.h>
-
-struct nf_nat_range;
-struct nf_nat_l3proto;
-
-struct nf_nat_l4proto {
-	/* Protocol number. */
-	u8 l4proto;
-
-	/* Translate a packet to the target according to manip type.
-	 * Return true if succeeded.
-	 */
-	bool (*manip_pkt)(struct sk_buff *skb,
-			  const struct nf_nat_l3proto *l3proto,
-			  unsigned int iphdroff, unsigned int hdroff,
-			  const struct nf_conntrack_tuple *tuple,
-			  enum nf_nat_manip_type maniptype);
-
-	/* Is the manipable part of the tuple between min and max incl? */
-	bool (*in_range)(const struct nf_conntrack_tuple *tuple,
-			 enum nf_nat_manip_type maniptype,
-			 const union nf_conntrack_man_proto *min,
-			 const union nf_conntrack_man_proto *max);
-
-	/* Alter the per-proto part of the tuple (depending on
-	 * maniptype), to give a unique tuple in the given range if
-	 * possible.  Per-protocol part of tuple is initialized to the
-	 * incoming packet.
-	 */
-	void (*unique_tuple)(const struct nf_nat_l3proto *l3proto,
-			     struct nf_conntrack_tuple *tuple,
-			     const struct nf_nat_range2 *range,
-			     enum nf_nat_manip_type maniptype,
-			     const struct nf_conn *ct);
-
-	int (*nlattr_to_range)(struct nlattr *tb[],
-			       struct nf_nat_range2 *range);
-};
-
-/* Protocol registration. */
-int nf_nat_l4proto_register(u8 l3proto, const struct nf_nat_l4proto *l4proto);
-void nf_nat_l4proto_unregister(u8 l3proto,
-			       const struct nf_nat_l4proto *l4proto);
-
-const struct nf_nat_l4proto *__nf_nat_l4proto_find(u8 l3proto, u8 l4proto);
-
-/* Built-in protocols. */
-extern const struct nf_nat_l4proto nf_nat_l4proto_tcp;
-extern const struct nf_nat_l4proto nf_nat_l4proto_udp;
-extern const struct nf_nat_l4proto nf_nat_l4proto_icmp;
-extern const struct nf_nat_l4proto nf_nat_l4proto_icmpv6;
-extern const struct nf_nat_l4proto nf_nat_l4proto_unknown;
-#ifdef CONFIG_NF_NAT_PROTO_DCCP
-extern const struct nf_nat_l4proto nf_nat_l4proto_dccp;
-#endif
-#ifdef CONFIG_NF_NAT_PROTO_SCTP
-extern const struct nf_nat_l4proto nf_nat_l4proto_sctp;
-#endif
-#ifdef CONFIG_NF_NAT_PROTO_UDPLITE
-extern const struct nf_nat_l4proto nf_nat_l4proto_udplite;
-#endif
-
-bool nf_nat_l4proto_in_range(const struct nf_conntrack_tuple *tuple,
-			     enum nf_nat_manip_type maniptype,
-			     const union nf_conntrack_man_proto *min,
-			     const union nf_conntrack_man_proto *max);
-
-void nf_nat_l4proto_unique_tuple(const struct nf_nat_l3proto *l3proto,
-				 struct nf_conntrack_tuple *tuple,
-				 const struct nf_nat_range2 *range,
-				 enum nf_nat_manip_type maniptype,
-				 const struct nf_conn *ct, u16 *rover);
-
-int nf_nat_l4proto_nlattr_to_range(struct nlattr *tb[],
-				   struct nf_nat_range2 *range);
-
-#endif /*_NF_NAT_L4PROTO_H*/
diff --git a/include/net/netfilter/nf_reject.h b/include/net/netfilter/nf_reject.h
new file mode 100644
index 000000000000..221f877f29d1
--- /dev/null
+++ b/include/net/netfilter/nf_reject.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _NF_REJECT_H
+#define _NF_REJECT_H
+
+static inline bool nf_reject_verify_csum(__u8 proto)
+{
+	/* Skip protocols that don't use 16-bit one's complement checksum
+	 * of the entire payload.
+	 */
+	switch (proto) {
+		/* Protocols with other integrity checks. */
+		case IPPROTO_AH:
+		case IPPROTO_ESP:
+		case IPPROTO_SCTP:
+
+		/* Protocols with partial checksums. */
+		case IPPROTO_UDPLITE:
+		case IPPROTO_DCCP:
+
+		/* Protocols with optional checksums. */
+		case IPPROTO_GRE:
+			return false;
+	}
+	return true;
+}
+
+#endif /* _NF_REJECT_H */
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 841835a387e1..3e9ab643eedf 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -382,6 +382,7 @@ void nft_unregister_set(struct nft_set_type *type);
  * 	@dtype: data type (verdict or numeric type defined by userspace)
  * 	@objtype: object type (see NFT_OBJECT_* definitions)
  * 	@size: maximum set size
+ *	@use: number of rules references to this set
  * 	@nelems: number of elements
  * 	@ndeact: number of deactivated elements queued for removal
  *	@timeout: default timeout value in jiffies
@@ -407,6 +408,7 @@ struct nft_set {
 	u32				dtype;
 	u32				objtype;
 	u32				size;
+	u32				use;
 	atomic_t			nelems;
 	u32				ndeact;
 	u64				timeout;
@@ -416,7 +418,8 @@ struct nft_set {
 	unsigned char			*udata;
 	/* runtime data below here */
 	const struct nft_set_ops	*ops ____cacheline_aligned;
-	u16				flags:14,
+	u16				flags:13,
+					bound:1,
 					genmask:2;
 	u8				klen;
 	u8				dlen;
@@ -466,12 +469,14 @@ struct nft_set_binding {
 	u32				flags;
 };
 
+enum nft_trans_phase;
+void nf_tables_deactivate_set(const struct nft_ctx *ctx, struct nft_set *set,
+			      struct nft_set_binding *binding,
+			      enum nft_trans_phase phase);
 int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set,
 		       struct nft_set_binding *binding);
 void nf_tables_unbind_set(const struct nft_ctx *ctx, struct nft_set *set,
-			  struct nft_set_binding *binding);
-void nf_tables_rebind_set(const struct nft_ctx *ctx, struct nft_set *set,
-			  struct nft_set_binding *binding);
+			  struct nft_set_binding *binding, bool commit);
 void nf_tables_destroy_set(const struct nft_ctx *ctx, struct nft_set *set);
 
 /**
@@ -692,10 +697,12 @@ static inline void nft_set_gc_batch_add(struct nft_set_gc_batch *gcb,
 	gcb->elems[gcb->head.cnt++] = elem;
 }
 
+struct nft_expr_ops;
 /**
  *	struct nft_expr_type - nf_tables expression type
  *
  *	@select_ops: function to select nft_expr_ops
+ *	@release_ops: release nft_expr_ops
  *	@ops: default ops, used when no select_ops functions is present
  *	@list: used internally
  *	@name: Identifier
@@ -708,6 +715,7 @@ static inline void nft_set_gc_batch_add(struct nft_set_gc_batch *gcb,
 struct nft_expr_type {
 	const struct nft_expr_ops	*(*select_ops)(const struct nft_ctx *,
 						       const struct nlattr * const tb[]);
+	void				(*release_ops)(const struct nft_expr_ops *ops);
 	const struct nft_expr_ops	*ops;
 	struct list_head		list;
 	const char			*name;
@@ -721,6 +729,13 @@ struct nft_expr_type {
 #define NFT_EXPR_STATEFUL		0x1
 #define NFT_EXPR_GC			0x2
 
+enum nft_trans_phase {
+	NFT_TRANS_PREPARE,
+	NFT_TRANS_ABORT,
+	NFT_TRANS_COMMIT,
+	NFT_TRANS_RELEASE
+};
+
 /**
  *	struct nft_expr_ops - nf_tables expression operations
  *
@@ -750,7 +765,8 @@ struct nft_expr_ops {
 	void				(*activate)(const struct nft_ctx *ctx,
 						    const struct nft_expr *expr);
 	void				(*deactivate)(const struct nft_ctx *ctx,
-						      const struct nft_expr *expr);
+						      const struct nft_expr *expr,
+						      enum nft_trans_phase phase);
 	void				(*destroy)(const struct nft_ctx *ctx,
 						   const struct nft_expr *expr);
 	void				(*destroy_clone)(const struct nft_ctx *ctx,
@@ -1012,21 +1028,32 @@ int nft_verdict_dump(struct sk_buff *skb, int type,
 		     const struct nft_verdict *v);
 
 /**
+ *	struct nft_object_hash_key - key to lookup nft_object
+ *
+ *	@name: name of the stateful object to look up
+ *	@table: table the object belongs to
+ */
+struct nft_object_hash_key {
+	const char                      *name;
+	const struct nft_table          *table;
+};
+
+/**
  *	struct nft_object - nf_tables stateful object
  *
  *	@list: table stateful object list node
- *	@table: table this object belongs to
- *	@name: name of this stateful object
+ *	@key:  keys that identify this object
+ *	@rhlhead: nft_objname_ht node
  *	@genmask: generation mask
  *	@use: number of references to this stateful object
  *	@handle: unique object handle
  *	@ops: object operations
- * 	@data: object data, layout depends on type
+ *	@data: object data, layout depends on type
  */
 struct nft_object {
 	struct list_head		list;
-	char				*name;
-	struct nft_table		*table;
+	struct rhlist_head		rhlhead;
+	struct nft_object_hash_key	key;
 	u32				genmask:2,
 					use:30;
 	u64				handle;
@@ -1043,11 +1070,12 @@ static inline void *nft_obj_data(const struct nft_object *obj)
 
 #define nft_expr_obj(expr)	*((struct nft_object **)nft_expr_priv(expr))
 
-struct nft_object *nft_obj_lookup(const struct nft_table *table,
+struct nft_object *nft_obj_lookup(const struct net *net,
+				  const struct nft_table *table,
 				  const struct nlattr *nla, u32 objtype,
 				  u8 genmask);
 
-void nft_obj_notify(struct net *net, struct nft_table *table,
+void nft_obj_notify(struct net *net, const struct nft_table *table,
 		    struct nft_object *obj, u32 portid, u32 seq,
 		    int event, int family, int report, gfp_t gfp);
 
diff --git a/include/net/netfilter/nf_tables_core.h b/include/net/netfilter/nf_tables_core.h
index 2046d104f323..7281895fa6d9 100644
--- a/include/net/netfilter/nf_tables_core.h
+++ b/include/net/netfilter/nf_tables_core.h
@@ -80,6 +80,22 @@ struct nft_regs;
 struct nft_pktinfo;
 void nft_meta_get_eval(const struct nft_expr *expr,
 		       struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_cmp_eval(const struct nft_expr *expr,
+		  struct nft_regs *regs, const struct nft_pktinfo *pkt);
 void nft_lookup_eval(const struct nft_expr *expr,
 		     struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_payload_eval(const struct nft_expr *expr,
+		      struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_immediate_eval(const struct nft_expr *expr,
+			struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_bitwise_eval(const struct nft_expr *expr,
+		      struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_range_eval(const struct nft_expr *expr,
+		    struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_byteorder_eval(const struct nft_expr *expr,
+			struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_dynset_eval(const struct nft_expr *expr,
+		     struct nft_regs *regs, const struct nft_pktinfo *pkt);
+void nft_rt_get_eval(const struct nft_expr *expr,
+		     struct nft_regs *regs, const struct nft_pktinfo *pkt);
 #endif /* _NET_NF_TABLES_CORE_H */
diff --git a/include/net/netfilter/nft_masq.h b/include/net/netfilter/nft_masq.h
deleted file mode 100644
index e51ab3815797..000000000000
--- a/include/net/netfilter/nft_masq.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _NFT_MASQ_H_
-#define _NFT_MASQ_H_
-
-struct nft_masq {
-	u32			flags;
-	enum nft_registers      sreg_proto_min:8;
-	enum nft_registers      sreg_proto_max:8;
-};
-
-extern const struct nla_policy nft_masq_policy[];
-
-int nft_masq_init(const struct nft_ctx *ctx,
-		  const struct nft_expr *expr,
-		  const struct nlattr * const tb[]);
-
-int nft_masq_dump(struct sk_buff *skb, const struct nft_expr *expr);
-
-int nft_masq_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
-		      const struct nft_data **data);
-
-#endif /* _NFT_MASQ_H_ */
diff --git a/include/net/netfilter/nft_redir.h b/include/net/netfilter/nft_redir.h
deleted file mode 100644
index 4a970737c03c..000000000000
--- a/include/net/netfilter/nft_redir.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _NFT_REDIR_H_
-#define _NFT_REDIR_H_
-
-struct nft_redir {
-	enum nft_registers	sreg_proto_min:8;
-	enum nft_registers	sreg_proto_max:8;
-	u16			flags;
-};
-
-extern const struct nla_policy nft_redir_policy[];
-
-int nft_redir_init(const struct nft_ctx *ctx,
-		   const struct nft_expr *expr,
-		   const struct nlattr * const tb[]);
-
-int nft_redir_dump(struct sk_buff *skb, const struct nft_expr *expr);
-
-int nft_redir_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
-		       const struct nft_data **data);
-
-#endif /* _NFT_REDIR_H_ */
diff --git a/include/net/netlink.h b/include/net/netlink.h
index 4c1e99303b5a..23f27b0b3cef 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -306,10 +306,14 @@ struct nla_policy {
 #define NLA_POLICY_ETH_ADDR		NLA_POLICY_EXACT_LEN(ETH_ALEN)
 #define NLA_POLICY_ETH_ADDR_COMPAT	NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN)
 
-#define NLA_POLICY_NESTED(maxattr, policy) \
+#define _NLA_POLICY_NESTED(maxattr, policy) \
 	{ .type = NLA_NESTED, .validation_data = policy, .len = maxattr }
-#define NLA_POLICY_NESTED_ARRAY(maxattr, policy) \
+#define _NLA_POLICY_NESTED_ARRAY(maxattr, policy) \
 	{ .type = NLA_NESTED_ARRAY, .validation_data = policy, .len = maxattr }
+#define NLA_POLICY_NESTED(policy) \
+	_NLA_POLICY_NESTED(ARRAY_SIZE(policy) - 1, policy)
+#define NLA_POLICY_NESTED_ARRAY(policy) \
+	_NLA_POLICY_NESTED_ARRAY(ARRAY_SIZE(policy) - 1, policy)
 
 #define __NLA_ENSURE(condition) BUILD_BUG_ON_ZERO(!(condition))
 #define NLA_ENSURE_INT_TYPE(tp)				\
diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h
index 9795d628a127..f19b53130bf7 100644
--- a/include/net/netns/conntrack.h
+++ b/include/net/netns/conntrack.h
@@ -18,21 +18,11 @@
 struct ctl_table_header;
 struct nf_conntrack_ecache;
 
-struct nf_proto_net {
-#ifdef CONFIG_SYSCTL
-	struct ctl_table_header *ctl_table_header;
-	struct ctl_table        *ctl_table;
-#endif
-	unsigned int		users;
-};
-
 struct nf_generic_net {
-	struct nf_proto_net pn;
 	unsigned int timeout;
 };
 
 struct nf_tcp_net {
-	struct nf_proto_net pn;
 	unsigned int timeouts[TCP_CONNTRACK_TIMEOUT_MAX];
 	unsigned int tcp_loose;
 	unsigned int tcp_be_liberal;
@@ -46,18 +36,15 @@ enum udp_conntrack {
 };
 
 struct nf_udp_net {
-	struct nf_proto_net pn;
 	unsigned int timeouts[UDP_CT_MAX];
 };
 
 struct nf_icmp_net {
-	struct nf_proto_net pn;
 	unsigned int timeout;
 };
 
 #ifdef CONFIG_NF_CT_PROTO_DCCP
 struct nf_dccp_net {
-	struct nf_proto_net pn;
 	int dccp_loose;
 	unsigned int dccp_timeout[CT_DCCP_MAX + 1];
 };
@@ -65,11 +52,23 @@ struct nf_dccp_net {
 
 #ifdef CONFIG_NF_CT_PROTO_SCTP
 struct nf_sctp_net {
-	struct nf_proto_net pn;
 	unsigned int timeouts[SCTP_CONNTRACK_MAX];
 };
 #endif
 
+#ifdef CONFIG_NF_CT_PROTO_GRE
+enum gre_conntrack {
+	GRE_CT_UNREPLIED,
+	GRE_CT_REPLIED,
+	GRE_CT_MAX
+};
+
+struct nf_gre_net {
+	struct list_head	keymap_list;
+	unsigned int		timeouts[GRE_CT_MAX];
+};
+#endif
+
 struct nf_ip_net {
 	struct nf_generic_net   generic;
 	struct nf_tcp_net	tcp;
@@ -82,6 +81,9 @@ struct nf_ip_net {
 #ifdef CONFIG_NF_CT_PROTO_SCTP
 	struct nf_sctp_net	sctp;
 #endif
+#ifdef CONFIG_NF_CT_PROTO_GRE
+	struct nf_gre_net	gre;
+#endif
 };
 
 struct ct_pcpu {
@@ -97,18 +99,14 @@ struct netns_ct {
 	struct delayed_work ecache_dwork;
 	bool ecache_dwork_pending;
 #endif
+	bool			auto_assign_helper_warned;
 #ifdef CONFIG_SYSCTL
 	struct ctl_table_header	*sysctl_header;
-	struct ctl_table_header	*acct_sysctl_header;
-	struct ctl_table_header	*tstamp_sysctl_header;
-	struct ctl_table_header	*event_sysctl_header;
-	struct ctl_table_header	*helper_sysctl_header;
 #endif
 	unsigned int		sysctl_log_invalid; /* Log invalid packets */
 	int			sysctl_events;
 	int			sysctl_acct;
 	int			sysctl_auto_assign_helper;
-	bool			auto_assign_helper_warned;
 	int			sysctl_tstamp;
 	int			sysctl_checksum;
 
diff --git a/include/net/netns/hash.h b/include/net/netns/hash.h
index 16a842456189..d9b665151f3d 100644
--- a/include/net/netns/hash.h
+++ b/include/net/netns/hash.h
@@ -2,16 +2,10 @@
 #ifndef __NET_NS_HASH_H__
 #define __NET_NS_HASH_H__
 
-#include <asm/cache.h>
-
-struct net;
+#include <net/net_namespace.h>
 
 static inline u32 net_hash_mix(const struct net *net)
 {
-#ifdef CONFIG_NET_NS
-	return (u32)(((unsigned long)net) >> ilog2(sizeof(*net)));
-#else
-	return 0;
-#endif
+	return net->hash_mix;
 }
 #endif
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index e47503b4e4d1..104a6669e344 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -103,6 +103,9 @@ struct netns_ipv4 {
 	/* Shall we try to damage output packets if routing dev changes? */
 	int sysctl_ip_dynaddr;
 	int sysctl_ip_early_demux;
+#ifdef CONFIG_NET_L3_MASTER_DEV
+	int sysctl_raw_l3mdev_accept;
+#endif
 	int sysctl_tcp_early_demux;
 	int sysctl_udp_early_demux;
 
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index ef1ed529f33c..b028a1dc150d 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -83,7 +83,7 @@ struct netns_ipv6 {
 	struct fib6_table       *fib6_local_tbl;
 	struct fib_rules_ops    *fib6_rules_ops;
 #endif
-	struct sock		**icmp_sk;
+	struct sock * __percpu	*icmp_sk;
 	struct sock             *ndisc_sk;
 	struct sock             *tcp_sk;
 	struct sock             *igmp_sk;
diff --git a/include/net/netns/xdp.h b/include/net/netns/xdp.h
new file mode 100644
index 000000000000..e5734261ba0a
--- /dev/null
+++ b/include/net/netns/xdp.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NETNS_XDP_H__
+#define __NETNS_XDP_H__
+
+#include <linux/rculist.h>
+#include <linux/mutex.h>
+
+struct netns_xdp {
+	struct mutex		lock;
+	struct hlist_head	list;
+};
+
+#endif /* __NETNS_XDP_H__ */
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 9991e5ef52cc..59f45b1e9dac 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -5,6 +5,7 @@
 #include <linux/list.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
+#include <linux/rhashtable-types.h>
 #include <linux/xfrm.h>
 #include <net/dst_ops.h>
 
@@ -53,6 +54,7 @@ struct netns_xfrm {
 	unsigned int		policy_count[XFRM_POLICY_MAX * 2];
 	struct work_struct	policy_hash_work;
 	struct xfrm_policy_hthresh policy_hthresh;
+	struct list_head	inexact_bins;
 
 
 	struct sock		*nlsk;
diff --git a/include/net/netrom.h b/include/net/netrom.h
index 5a0714ff500f..80f15b1c1a48 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -266,7 +266,7 @@ void nr_stop_idletimer(struct sock *);
 int nr_t1timer_running(struct sock *);
 
 /* sysctl_net_netrom.c */
-void nr_register_sysctl(void);
+int nr_register_sysctl(void);
 void nr_unregister_sysctl(void);
 
 #endif
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index 87499b6b35d6..df5c69db68af 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -166,7 +166,7 @@ struct nci_conn_info {
  * According to specification 102 622 chapter 4.4 Pipes,
  * the pipe identifier is 7 bits long.
  */
-#define NCI_HCI_MAX_PIPES          127
+#define NCI_HCI_MAX_PIPES          128
 
 struct nci_hci_gate {
 	u8 gate;
diff --git a/include/net/phonet/pep.h b/include/net/phonet/pep.h
index b669fe6dbc3b..98f31c7ea23d 100644
--- a/include/net/phonet/pep.h
+++ b/include/net/phonet/pep.h
@@ -63,10 +63,11 @@ struct pnpipehdr {
 		u8		state_after_reset;	/* reset request */
 		u8		error_code;		/* any response */
 		u8		pep_type;		/* status indication */
-		u8		data[1];
+		u8		data0;			/* anything else */
 	};
+	u8			data[];
 };
-#define other_pep_type		data[1]
+#define other_pep_type		data[0]
 
 static inline struct pnpipehdr *pnp_hdr(struct sk_buff *skb)
 {
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 72ffb3120ced..d5e7a1af346f 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -6,6 +6,7 @@
 #include <linux/workqueue.h>
 #include <net/sch_generic.h>
 #include <net/act_api.h>
+#include <net/flow_offload.h>
 
 /* TC action not accessible from user space */
 #define TC_ACT_REINSERT		(TC_ACT_VALUE_MAX + 1)
@@ -16,6 +17,7 @@ struct tcf_walker {
 	int	stop;
 	int	skip;
 	int	count;
+	bool	nonempty;
 	unsigned long cookie;
 	int	(*fn)(struct tcf_proto *, void *node, struct tcf_walker *);
 };
@@ -43,6 +45,10 @@ bool tcf_queue_work(struct rcu_work *rwork, work_func_t func);
 struct tcf_chain *tcf_chain_get_by_act(struct tcf_block *block,
 				       u32 chain_index);
 void tcf_chain_put_by_act(struct tcf_chain *chain);
+struct tcf_chain *tcf_get_next_chain(struct tcf_block *block,
+				     struct tcf_chain *chain);
+struct tcf_proto *tcf_get_next_proto(struct tcf_chain *chain,
+				     struct tcf_proto *tp, bool rtnl_held);
 void tcf_block_netif_keep_dst(struct tcf_block *block);
 int tcf_block_get(struct tcf_block **p_block,
 		  struct tcf_proto __rcu **p_filter_chain, struct Qdisc *q,
@@ -81,6 +87,14 @@ void __tcf_block_cb_unregister(struct tcf_block *block,
 			       struct tcf_block_cb *block_cb);
 void tcf_block_cb_unregister(struct tcf_block *block,
 			     tc_setup_cb_t *cb, void *cb_ident);
+int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
+				tc_indr_block_bind_cb_t *cb, void *cb_ident);
+int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
+			      tc_indr_block_bind_cb_t *cb, void *cb_ident);
+void __tc_indr_block_cb_unregister(struct net_device *dev,
+				   tc_indr_block_bind_cb_t *cb, void *cb_ident);
+void tc_indr_block_cb_unregister(struct net_device *dev,
+				 tc_indr_block_bind_cb_t *cb, void *cb_ident);
 
 int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 		 struct tcf_result *res, bool compat_mode);
@@ -183,6 +197,32 @@ void tcf_block_cb_unregister(struct tcf_block *block,
 {
 }
 
+static inline
+int __tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
+				tc_indr_block_bind_cb_t *cb, void *cb_ident)
+{
+	return 0;
+}
+
+static inline
+int tc_indr_block_cb_register(struct net_device *dev, void *cb_priv,
+			      tc_indr_block_bind_cb_t *cb, void *cb_ident)
+{
+	return 0;
+}
+
+static inline
+void __tc_indr_block_cb_unregister(struct net_device *dev,
+				   tc_indr_block_bind_cb_t *cb, void *cb_ident)
+{
+}
+
+static inline
+void tc_indr_block_cb_unregister(struct net_device *dev,
+				 tc_indr_block_bind_cb_t *cb, void *cb_ident)
+{
+}
+
 static inline int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 			       struct tcf_result *res, bool compat_mode)
 {
@@ -250,12 +290,13 @@ struct tcf_exts {
 	int police;
 };
 
-static inline int tcf_exts_init(struct tcf_exts *exts, int action, int police)
+static inline int tcf_exts_init(struct tcf_exts *exts, struct net *net,
+				int action, int police)
 {
 #ifdef CONFIG_NET_CLS_ACT
 	exts->type = 0;
 	exts->nr_actions = 0;
-	exts->net = NULL;
+	exts->net = net;
 	exts->actions = kcalloc(TCA_ACT_MAX_PRIO, sizeof(struct tc_action *),
 				GFP_KERNEL);
 	if (!exts->actions)
@@ -377,7 +418,7 @@ tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
 
 int tcf_exts_validate(struct net *net, struct tcf_proto *tp,
 		      struct nlattr **tb, struct nlattr *rate_tlv,
-		      struct tcf_exts *exts, bool ovr,
+		      struct tcf_exts *exts, bool ovr, bool rtnl_held,
 		      struct netlink_ext_ack *extack);
 void tcf_exts_destroy(struct tcf_exts *exts);
 void tcf_exts_change(struct tcf_exts *dst, struct tcf_exts *src);
@@ -585,8 +626,11 @@ tcf_match_indev(struct sk_buff *skb, int ifindex)
 }
 #endif /* CONFIG_NET_CLS_IND */
 
-int tc_setup_cb_call(struct tcf_block *block, struct tcf_exts *exts,
-		     enum tc_setup_type type, void *type_data, bool err_stop);
+int tc_setup_flow_action(struct flow_action *flow_action,
+			 const struct tcf_exts *exts);
+int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
+		     void *type_data, bool err_stop);
+unsigned int tcf_exts_num_actions(struct tcf_exts *exts);
 
 enum tc_block_command {
 	TC_BLOCK_BIND,
@@ -609,6 +653,7 @@ struct tc_cls_common_offload {
 
 struct tc_cls_u32_knode {
 	struct tcf_exts *exts;
+	struct tcf_result *res;
 	struct tc_u32_sel *sel;
 	u32 handle;
 	u32 val;
@@ -725,13 +770,17 @@ struct tc_cls_flower_offload {
 	struct tc_cls_common_offload common;
 	enum tc_fl_command command;
 	unsigned long cookie;
-	struct flow_dissector *dissector;
-	struct fl_flow_key *mask;
-	struct fl_flow_key *key;
-	struct tcf_exts *exts;
+	struct flow_rule *rule;
+	struct flow_stats stats;
 	u32 classid;
 };
 
+static inline struct flow_rule *
+tc_cls_flower_offload_flow_rule(struct tc_cls_flower_offload *tc_flow_cmd)
+{
+	return tc_flow_cmd->rule;
+}
+
 enum tc_matchall_command {
 	TC_CLSMATCHALL_REPLACE,
 	TC_CLSMATCHALL_DESTROY,
@@ -787,12 +836,21 @@ enum tc_mq_command {
 	TC_MQ_CREATE,
 	TC_MQ_DESTROY,
 	TC_MQ_STATS,
+	TC_MQ_GRAFT,
+};
+
+struct tc_mq_opt_offload_graft_params {
+	unsigned long queue;
+	u32 child_handle;
 };
 
 struct tc_mq_qopt_offload {
 	enum tc_mq_command command;
 	u32 handle;
-	struct tc_qopt_offload_stats stats;
+	union {
+		struct tc_qopt_offload_stats stats;
+		struct tc_mq_opt_offload_graft_params graft_params;
+	};
 };
 
 enum tc_red_command {
@@ -800,13 +858,16 @@ enum tc_red_command {
 	TC_RED_DESTROY,
 	TC_RED_STATS,
 	TC_RED_XSTATS,
+	TC_RED_GRAFT,
 };
 
 struct tc_red_qopt_offload_params {
 	u32 min;
 	u32 max;
 	u32 probability;
+	u32 limit;
 	bool is_ecn;
+	bool is_harddrop;
 	struct gnet_stats_queue *qstats;
 };
 
@@ -818,6 +879,51 @@ struct tc_red_qopt_offload {
 		struct tc_red_qopt_offload_params set;
 		struct tc_qopt_offload_stats stats;
 		struct red_stats *xstats;
+		u32 child_handle;
+	};
+};
+
+enum tc_gred_command {
+	TC_GRED_REPLACE,
+	TC_GRED_DESTROY,
+	TC_GRED_STATS,
+};
+
+struct tc_gred_vq_qopt_offload_params {
+	bool present;
+	u32 limit;
+	u32 prio;
+	u32 min;
+	u32 max;
+	bool is_ecn;
+	bool is_harddrop;
+	u32 probability;
+	/* Only need backlog, see struct tc_prio_qopt_offload_params */
+	u32 *backlog;
+};
+
+struct tc_gred_qopt_offload_params {
+	bool grio_on;
+	bool wred_on;
+	unsigned int dp_cnt;
+	unsigned int dp_def;
+	struct gnet_stats_queue *qstats;
+	struct tc_gred_vq_qopt_offload_params tab[MAX_DPs];
+};
+
+struct tc_gred_qopt_offload_stats {
+	struct gnet_stats_basic_packed bstats[MAX_DPs];
+	struct gnet_stats_queue qstats[MAX_DPs];
+	struct red_stats *xstats[MAX_DPs];
+};
+
+struct tc_gred_qopt_offload {
+	enum tc_gred_command command;
+	u32 handle;
+	u32 parent;
+	union {
+		struct tc_gred_qopt_offload_params set;
+		struct tc_gred_qopt_offload_stats stats;
 	};
 };
 
@@ -854,4 +960,14 @@ struct tc_prio_qopt_offload {
 	};
 };
 
+enum tc_root_command {
+	TC_ROOT_GRAFT,
+};
+
+struct tc_root_qopt_offload {
+	enum tc_root_command command;
+	u32 handle;
+	bool ingress;
+};
+
 #endif
diff --git a/include/net/protocol.h b/include/net/protocol.h
index 4fc75f7ae23b..92b3eaad6088 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -42,7 +42,10 @@ struct net_protocol {
 	int			(*early_demux)(struct sk_buff *skb);
 	int			(*early_demux_handler)(struct sk_buff *skb);
 	int			(*handler)(struct sk_buff *skb);
-	void			(*err_handler)(struct sk_buff *skb, u32 info);
+
+	/* This returns an error if we weren't able to handle the error. */
+	int			(*err_handler)(struct sk_buff *skb, u32 info);
+
 	unsigned int		no_policy:1,
 				netns_ok:1,
 				/* does the protocol do more stringent
@@ -58,10 +61,12 @@ struct inet6_protocol {
 	void    (*early_demux_handler)(struct sk_buff *skb);
 	int	(*handler)(struct sk_buff *skb);
 
-	void	(*err_handler)(struct sk_buff *skb,
+	/* This returns an error if we weren't able to handle the error. */
+	int	(*err_handler)(struct sk_buff *skb,
 			       struct inet6_skb_parm *opt,
 			       u8 type, u8 code, int offset,
 			       __be32 info);
+
 	unsigned int	flags;	/* INET6_PROTO_xxx */
 };
 
diff --git a/include/net/raw.h b/include/net/raw.h
index 9c9fa98a91a4..821ff4887f77 100644
--- a/include/net/raw.h
+++ b/include/net/raw.h
@@ -17,7 +17,7 @@
 #ifndef _RAW_H
 #define _RAW_H
 
-
+#include <net/inet_sock.h>
 #include <net/protocol.h>
 #include <linux/icmp.h>
 
@@ -61,6 +61,7 @@ void raw_seq_stop(struct seq_file *seq, void *v);
 
 int raw_hash_sk(struct sock *sk);
 void raw_unhash_sk(struct sock *sk);
+void raw_init(void);
 
 struct raw_sock {
 	/* inet_sock has to be the first member */
@@ -74,4 +75,15 @@ static inline struct raw_sock *raw_sk(const struct sock *sk)
 	return (struct raw_sock *)sk;
 }
 
+static inline bool raw_sk_bound_dev_eq(struct net *net, int bound_dev_if,
+				       int dif, int sdif)
+{
+#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
+	return inet_bound_dev_eq(!!net->ipv4.sysctl_raw_l3mdev_accept,
+				 bound_dev_if, dif, sdif);
+#else
+	return inet_bound_dev_eq(true, bound_dev_if, dif, sdif);
+#endif
+}
+
 #endif	/* _RAW_H */
diff --git a/include/net/request_sock.h b/include/net/request_sock.h
index 347015515a7d..21a5243fecd1 100644
--- a/include/net/request_sock.h
+++ b/include/net/request_sock.h
@@ -108,7 +108,6 @@ reqsk_alloc(const struct request_sock_ops *ops, struct sock *sk_listener,
 
 static inline void reqsk_free(struct request_sock *req)
 {
-	/* temporary debugging */
 	WARN_ON_ONCE(refcount_read(&req->rsk_refcnt) != 0);
 
 	req->rsk_ops->destructor(req);
diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h
index cf26e5aacac4..e2091bb2b3a8 100644
--- a/include/net/rtnetlink.h
+++ b/include/net/rtnetlink.h
@@ -159,7 +159,8 @@ struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
 struct net_device *rtnl_create_link(struct net *net, const char *ifname,
 				    unsigned char name_assign_type,
 				    const struct rtnl_link_ops *ops,
-				    struct nlattr *tb[]);
+				    struct nlattr *tb[],
+				    struct netlink_ext_ack *extack);
 int rtnl_delete_link(struct net_device *dev);
 int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm);
 
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 4d736427a4cb..a2b38b3deeca 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -12,6 +12,7 @@
 #include <linux/list.h>
 #include <linux/refcount.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 #include <net/gen_stats.h>
 #include <net/rtnetlink.h>
 
@@ -24,6 +25,9 @@ struct bpf_flow_keys;
 typedef int tc_setup_cb_t(enum tc_setup_type type,
 			  void *type_data, void *cb_priv);
 
+typedef int tc_indr_block_bind_cb_t(struct net_device *dev, void *cb_priv,
+				    enum tc_setup_type type, void *type_data);
+
 struct qdisc_rate_table {
 	struct tc_ratespec rate;
 	u32		data[256];
@@ -48,7 +52,10 @@ struct qdisc_size_table {
 struct qdisc_skb_head {
 	struct sk_buff	*head;
 	struct sk_buff	*tail;
-	__u32		qlen;
+	union {
+		u32		qlen;
+		atomic_t	atomic_qlen;
+	};
 	spinlock_t	lock;
 };
 
@@ -175,6 +182,7 @@ static inline int qdisc_avail_bulklimit(const struct netdev_queue *txq)
 }
 
 struct Qdisc_class_ops {
+	unsigned int		flags;
 	/* Child qdisc manipulation */
 	struct netdev_queue *	(*select_queue)(struct Qdisc *, struct tcmsg *);
 	int			(*graft)(struct Qdisc *, unsigned long cl,
@@ -206,6 +214,13 @@ struct Qdisc_class_ops {
 					struct gnet_dump *);
 };
 
+/* Qdisc_class_ops flag values */
+
+/* Implements API that doesn't require rtnl lock */
+enum qdisc_class_ops_flags {
+	QDISC_CLASS_OPS_DOIT_UNLOCKED = 1,
+};
+
 struct Qdisc_ops {
 	struct Qdisc_ops	*next;
 	const struct Qdisc_class_ops	*cl_ops;
@@ -269,19 +284,21 @@ struct tcf_proto_ops {
 					    const struct tcf_proto *,
 					    struct tcf_result *);
 	int			(*init)(struct tcf_proto*);
-	void			(*destroy)(struct tcf_proto *tp,
+	void			(*destroy)(struct tcf_proto *tp, bool rtnl_held,
 					   struct netlink_ext_ack *extack);
 
 	void*			(*get)(struct tcf_proto*, u32 handle);
+	void			(*put)(struct tcf_proto *tp, void *f);
 	int			(*change)(struct net *net, struct sk_buff *,
 					struct tcf_proto*, unsigned long,
 					u32 handle, struct nlattr **,
-					void **, bool,
+					void **, bool, bool,
 					struct netlink_ext_ack *);
 	int			(*delete)(struct tcf_proto *tp, void *arg,
-					  bool *last,
+					  bool *last, bool rtnl_held,
 					  struct netlink_ext_ack *);
-	void			(*walk)(struct tcf_proto*, struct tcf_walker *arg);
+	void			(*walk)(struct tcf_proto *tp,
+					struct tcf_walker *arg, bool rtnl_held);
 	int			(*reoffload)(struct tcf_proto *tp, bool add,
 					     tc_setup_cb_t *cb, void *cb_priv,
 					     struct netlink_ext_ack *extack);
@@ -294,12 +311,18 @@ struct tcf_proto_ops {
 
 	/* rtnetlink specific */
 	int			(*dump)(struct net*, struct tcf_proto*, void *,
-					struct sk_buff *skb, struct tcmsg*);
+					struct sk_buff *skb, struct tcmsg*,
+					bool);
 	int			(*tmplt_dump)(struct sk_buff *skb,
 					      struct net *net,
 					      void *tmplt_priv);
 
 	struct module		*owner;
+	int			flags;
+};
+
+enum tcf_proto_ops_flags {
+	TCF_PROTO_OPS_DOIT_UNLOCKED = 1,
 };
 
 struct tcf_proto {
@@ -318,6 +341,12 @@ struct tcf_proto {
 	void			*data;
 	const struct tcf_proto_ops	*ops;
 	struct tcf_chain	*chain;
+	/* Lock protects tcf_proto shared state and can be used by unlocked
+	 * classifiers to protect their private data.
+	 */
+	spinlock_t		lock;
+	bool			deleting;
+	refcount_t		refcnt;
 	struct rcu_head		rcu;
 };
 
@@ -337,6 +366,8 @@ struct qdisc_skb_cb {
 typedef void tcf_chain_head_change_t(struct tcf_proto *tp_head, void *priv);
 
 struct tcf_chain {
+	/* Protects filter_chain. */
+	struct mutex filter_chain_lock;
 	struct tcf_proto __rcu *filter_chain;
 	struct list_head list;
 	struct tcf_block *block;
@@ -344,11 +375,17 @@ struct tcf_chain {
 	unsigned int refcnt;
 	unsigned int action_refcnt;
 	bool explicitly_created;
+	bool flushing;
 	const struct tcf_proto_ops *tmplt_ops;
 	void *tmplt_priv;
+	struct rcu_head rcu;
 };
 
 struct tcf_block {
+	/* Lock protects tcf_block and lifetime-management data of chains
+	 * attached to the block (refcnt, action_refcnt, explicitly_created).
+	 */
+	struct mutex lock;
 	struct list_head chain_list;
 	u32 index; /* block index for shared blocks */
 	refcount_t refcnt;
@@ -366,6 +403,34 @@ struct tcf_block {
 	struct rcu_head rcu;
 };
 
+#ifdef CONFIG_PROVE_LOCKING
+static inline bool lockdep_tcf_chain_is_locked(struct tcf_chain *chain)
+{
+	return lockdep_is_held(&chain->filter_chain_lock);
+}
+
+static inline bool lockdep_tcf_proto_is_locked(struct tcf_proto *tp)
+{
+	return lockdep_is_held(&tp->lock);
+}
+#else
+static inline bool lockdep_tcf_chain_is_locked(struct tcf_block *chain)
+{
+	return true;
+}
+
+static inline bool lockdep_tcf_proto_is_locked(struct tcf_proto *tp)
+{
+	return true;
+}
+#endif /* #ifdef CONFIG_PROVE_LOCKING */
+
+#define tcf_chain_dereference(p, chain)					\
+	rcu_dereference_protected(p, lockdep_tcf_chain_is_locked(chain))
+
+#define tcf_proto_dereference(p, tp)					\
+	rcu_dereference_protected(p, lockdep_tcf_proto_is_locked(tp))
+
 static inline void tcf_block_offload_inc(struct tcf_block *block, u32 *flags)
 {
 	if (*flags & TCA_CLS_FLAGS_IN_HW)
@@ -405,27 +470,19 @@ static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz)
 	BUILD_BUG_ON(sizeof(qcb->data) < sz);
 }
 
-static inline int qdisc_qlen_cpu(const struct Qdisc *q)
-{
-	return this_cpu_ptr(q->cpu_qstats)->qlen;
-}
-
 static inline int qdisc_qlen(const struct Qdisc *q)
 {
 	return q->q.qlen;
 }
 
-static inline int qdisc_qlen_sum(const struct Qdisc *q)
+static inline u32 qdisc_qlen_sum(const struct Qdisc *q)
 {
-	__u32 qlen = q->qstats.qlen;
-	int i;
+	u32 qlen = q->qstats.qlen;
 
-	if (q->flags & TCQ_F_NOLOCK) {
-		for_each_possible_cpu(i)
-			qlen += per_cpu_ptr(q->cpu_qstats, i)->qlen;
-	} else {
+	if (q->flags & TCQ_F_NOLOCK)
+		qlen += atomic_read(&q->q.atomic_qlen);
+	else
 		qlen += q->q.qlen;
-	}
 
 	return qlen;
 }
@@ -577,8 +634,31 @@ struct Qdisc *dev_graft_qdisc(struct netdev_queue *dev_queue,
 void qdisc_reset(struct Qdisc *qdisc);
 void qdisc_put(struct Qdisc *qdisc);
 void qdisc_put_unlocked(struct Qdisc *qdisc);
-void qdisc_tree_reduce_backlog(struct Qdisc *qdisc, unsigned int n,
-			       unsigned int len);
+void qdisc_tree_reduce_backlog(struct Qdisc *qdisc, int n, int len);
+#ifdef CONFIG_NET_SCHED
+int qdisc_offload_dump_helper(struct Qdisc *q, enum tc_setup_type type,
+			      void *type_data);
+void qdisc_offload_graft_helper(struct net_device *dev, struct Qdisc *sch,
+				struct Qdisc *new, struct Qdisc *old,
+				enum tc_setup_type type, void *type_data,
+				struct netlink_ext_ack *extack);
+#else
+static inline int
+qdisc_offload_dump_helper(struct Qdisc *q, enum tc_setup_type type,
+			  void *type_data)
+{
+	q->flags &= ~TCQ_F_OFFLOADED;
+	return 0;
+}
+
+static inline void
+qdisc_offload_graft_helper(struct net_device *dev, struct Qdisc *sch,
+			   struct Qdisc *new, struct Qdisc *old,
+			   enum tc_setup_type type, void *type_data,
+			   struct netlink_ext_ack *extack)
+{
+}
+#endif
 struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
 			  const struct Qdisc_ops *ops,
 			  struct netlink_ext_ack *extack);
@@ -798,14 +878,14 @@ static inline void qdisc_qstats_cpu_backlog_inc(struct Qdisc *sch,
 	this_cpu_add(sch->cpu_qstats->backlog, qdisc_pkt_len(skb));
 }
 
-static inline void qdisc_qstats_cpu_qlen_inc(struct Qdisc *sch)
+static inline void qdisc_qstats_atomic_qlen_inc(struct Qdisc *sch)
 {
-	this_cpu_inc(sch->cpu_qstats->qlen);
+	atomic_inc(&sch->q.atomic_qlen);
 }
 
-static inline void qdisc_qstats_cpu_qlen_dec(struct Qdisc *sch)
+static inline void qdisc_qstats_atomic_qlen_dec(struct Qdisc *sch)
 {
-	this_cpu_dec(sch->cpu_qstats->qlen);
+	atomic_dec(&sch->q.atomic_qlen);
 }
 
 static inline void qdisc_qstats_cpu_requeues_inc(struct Qdisc *sch)
@@ -843,6 +923,41 @@ static inline void qdisc_qstats_overlimit(struct Qdisc *sch)
 	sch->qstats.overlimits++;
 }
 
+static inline int qdisc_qstats_copy(struct gnet_dump *d, struct Qdisc *sch)
+{
+	__u32 qlen = qdisc_qlen_sum(sch);
+
+	return gnet_stats_copy_queue(d, sch->cpu_qstats, &sch->qstats, qlen);
+}
+
+static inline void qdisc_qstats_qlen_backlog(struct Qdisc *sch,  __u32 *qlen,
+					     __u32 *backlog)
+{
+	struct gnet_stats_queue qstats = { 0 };
+	__u32 len = qdisc_qlen_sum(sch);
+
+	__gnet_stats_copy_queue(&qstats, sch->cpu_qstats, &sch->qstats, len);
+	*qlen = qstats.qlen;
+	*backlog = qstats.backlog;
+}
+
+static inline void qdisc_tree_flush_backlog(struct Qdisc *sch)
+{
+	__u32 qlen, backlog;
+
+	qdisc_qstats_qlen_backlog(sch, &qlen, &backlog);
+	qdisc_tree_reduce_backlog(sch, qlen, backlog);
+}
+
+static inline void qdisc_purge_queue(struct Qdisc *sch)
+{
+	__u32 qlen, backlog;
+
+	qdisc_qstats_qlen_backlog(sch, &qlen, &backlog);
+	qdisc_reset(sch);
+	qdisc_tree_reduce_backlog(sch, qlen, backlog);
+}
+
 static inline void qdisc_skb_head_init(struct qdisc_skb_head *qh)
 {
 	qh->head = NULL;
@@ -1026,13 +1141,8 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,
 	sch_tree_lock(sch);
 	old = *pold;
 	*pold = new;
-	if (old != NULL) {
-		unsigned int qlen = old->q.qlen;
-		unsigned int backlog = old->qstats.backlog;
-
-		qdisc_reset(old);
-		qdisc_tree_reduce_backlog(old, qlen, backlog);
-	}
+	if (old != NULL)
+		qdisc_tree_flush_backlog(old);
 	sch_tree_unlock(sch);
 
 	return old;
diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h
index 32ee65a30aff..1c6e6c0766ca 100644
--- a/include/net/sctp/checksum.h
+++ b/include/net/sctp/checksum.h
@@ -61,7 +61,7 @@ static inline __wsum sctp_csum_combine(__wsum csum, __wsum csum2,
 static inline __le32 sctp_compute_cksum(const struct sk_buff *skb,
 					unsigned int offset)
 {
-	struct sctphdr *sh = sctp_hdr(skb);
+	struct sctphdr *sh = (struct sctphdr *)(skb->data + offset);
 	const struct skb_checksum_ops ops = {
 		.update  = sctp_csum_update,
 		.combine = sctp_csum_combine,
diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h
index 6640f84fe536..6d5beac29bc1 100644
--- a/include/net/sctp/command.h
+++ b/include/net/sctp/command.h
@@ -105,7 +105,6 @@ enum sctp_verb {
 	SCTP_CMD_T1_RETRAN,	 /* Mark for retransmission after T1 timeout  */
 	SCTP_CMD_UPDATE_INITTAG, /* Update peer inittag */
 	SCTP_CMD_SEND_MSG,	 /* Send the whole use message */
-	SCTP_CMD_SEND_NEXT_ASCONF, /* Send the next ASCONF after ACK */
 	SCTP_CMD_PURGE_ASCONF_QUEUE, /* Purge all asconf queues.*/
 	SCTP_CMD_SET_ASOC,	 /* Restore association context */
 	SCTP_CMD_LAST
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index 8dadc74c22e7..4588bdc2b8f0 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -71,7 +71,7 @@ enum { SCTP_DEFAULT_INSTREAMS = SCTP_MAX_STREAM };
 					 SCTP_NUM_AUTH_CHUNK_TYPES)
 
 /* These are the different flavours of event.  */
-enum sctp_event {
+enum sctp_event_type {
 	SCTP_EVENT_T_CHUNK = 1,
 	SCTP_EVENT_T_TIMEOUT,
 	SCTP_EVENT_T_OTHER,
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 2abbc15824af..1d13ec3f2707 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -151,8 +151,8 @@ int sctp_primitive_RECONF(struct net *net, struct sctp_association *asoc,
  * sctp/input.c
  */
 int sctp_rcv(struct sk_buff *skb);
-void sctp_v4_err(struct sk_buff *skb, u32 info);
-void sctp_hash_endpoint(struct sctp_endpoint *);
+int sctp_v4_err(struct sk_buff *skb, u32 info);
+int sctp_hash_endpoint(struct sctp_endpoint *ep);
 void sctp_unhash_endpoint(struct sctp_endpoint *);
 struct sock *sctp_err_lookup(struct net *net, int family, struct sk_buff *,
 			     struct sctphdr *, struct sctp_association **,
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 9e3d32746430..24825a81829e 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -173,7 +173,7 @@ sctp_state_fn_t sctp_sf_autoclose_timer_expire;
 __u8 sctp_get_chunk_type(struct sctp_chunk *chunk);
 const struct sctp_sm_table_entry *sctp_sm_lookup_event(
 					struct net *net,
-					enum sctp_event event_type,
+					enum sctp_event_type event_type,
 					enum sctp_state state,
 					union sctp_subtype event_subtype);
 int sctp_chunk_iif(const struct sctp_chunk *);
@@ -313,7 +313,7 @@ struct sctp_chunk *sctp_process_strreset_resp(
 
 /* Prototypes for statetable processing. */
 
-int sctp_do_sm(struct net *net, enum sctp_event event_type,
+int sctp_do_sm(struct net *net, enum sctp_event_type event_type,
 	       union sctp_subtype subtype, enum sctp_state state,
 	       struct sctp_endpoint *ep, struct sctp_association *asoc,
 	       void *event_arg, gfp_t gfp);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index feada358d872..140fd836a396 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -48,6 +48,7 @@
 #define __sctp_structs_h__
 
 #include <linux/ktime.h>
+#include <linux/generic-radix-tree.h>
 #include <linux/rhashtable-types.h>
 #include <linux/socket.h>	/* linux/in.h needs this!!    */
 #include <linux/in.h>		/* We get struct sockaddr_in. */
@@ -57,7 +58,6 @@
 #include <linux/atomic.h>		/* This gets us atomic counters.  */
 #include <linux/skbuff.h>	/* We need sk_buff_head. */
 #include <linux/workqueue.h>	/* We need tq_struct.	 */
-#include <linux/flex_array.h>	/* We need flex_array.   */
 #include <linux/sctp.h>		/* We need sctp* header structs.  */
 #include <net/sctp/auth.h>	/* We need auth specific structs */
 #include <net/ip.h>		/* For inet_skb_parm */
@@ -96,7 +96,9 @@ struct sctp_stream;
 
 struct sctp_bind_bucket {
 	unsigned short	port;
-	unsigned short	fastreuse;
+	signed char	fastreuse;
+	signed char	fastreuseport;
+	kuid_t		fastuid;
 	struct hlist_node	node;
 	struct hlist_head	owner;
 	struct net	*net;
@@ -197,6 +199,8 @@ struct sctp_sock {
 	__u32 flowlabel;
 	__u8  dscp;
 
+	int pf_retrans;
+
 	/* The initial Path MTU to use for new associations. */
 	__u32 pathmtu;
 
@@ -207,6 +211,8 @@ struct sctp_sock {
 	/* Flags controlling Heartbeat, SACK delay, and Path MTU Discovery. */
 	__u32 param_flags;
 
+	__u32 default_ss;
+
 	struct sctp_rtoinfo rtoinfo;
 	struct sctp_paddrparams paddrparam;
 	struct sctp_assocparams assocparams;
@@ -215,7 +221,7 @@ struct sctp_sock {
 	 * These two structures must be grouped together for the usercopy
 	 * whitelist region.
 	 */
-	struct sctp_event_subscribe subscribe;
+	__u16 subscribe;
 	struct sctp_initmsg initmsg;
 
 	int user_frag;
@@ -1190,6 +1196,8 @@ int sctp_bind_addr_conflict(struct sctp_bind_addr *, const union sctp_addr *,
 			 struct sctp_sock *, struct sctp_sock *);
 int sctp_bind_addr_state(const struct sctp_bind_addr *bp,
 			 const union sctp_addr *addr);
+int sctp_bind_addrs_check(struct sctp_sock *sp,
+			  struct sctp_sock *sp2, int cnt2);
 union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr	*bp,
 					const union sctp_addr	*addrs,
 					int			addrcnt,
@@ -1441,8 +1449,9 @@ struct sctp_stream_in {
 };
 
 struct sctp_stream {
-	struct flex_array *out;
-	struct flex_array *in;
+	GENRADIX(struct sctp_stream_out) out;
+	GENRADIX(struct sctp_stream_in)	in;
+
 	__u16 outcnt;
 	__u16 incnt;
 	/* Current stream being sent, if any */
@@ -1465,17 +1474,17 @@ struct sctp_stream {
 };
 
 static inline struct sctp_stream_out *sctp_stream_out(
-	const struct sctp_stream *stream,
+	struct sctp_stream *stream,
 	__u16 sid)
 {
-	return flex_array_get(stream->out, sid);
+	return genradix_ptr(&stream->out, sid);
 }
 
 static inline struct sctp_stream_in *sctp_stream_in(
-	const struct sctp_stream *stream,
+	struct sctp_stream *stream,
 	__u16 sid)
 {
-	return flex_array_get(stream->in, sid);
+	return genradix_ptr(&stream->in, sid);
 }
 
 #define SCTP_SO(s, i) sctp_stream_out((s), (i))
@@ -2073,6 +2082,8 @@ struct sctp_association {
 
 	int sent_cnt_removable;
 
+	__u16 subscribe;
+
 	__u64 abandoned_unsent[SCTP_PR_INDEX(MAX) + 1];
 	__u64 abandoned_sent[SCTP_PR_INDEX(MAX) + 1];
 
diff --git a/include/net/sctp/ulpevent.h b/include/net/sctp/ulpevent.h
index 51b4e0626c34..bd922a0fe914 100644
--- a/include/net/sctp/ulpevent.h
+++ b/include/net/sctp/ulpevent.h
@@ -164,30 +164,39 @@ void sctp_ulpevent_read_nxtinfo(const struct sctp_ulpevent *event,
 
 __u16 sctp_ulpevent_get_notification_type(const struct sctp_ulpevent *event);
 
+static inline void sctp_ulpevent_type_set(__u16 *subscribe,
+					  __u16 sn_type, __u8 on)
+{
+	if (sn_type > SCTP_SN_TYPE_MAX)
+		return;
+
+	if (on)
+		*subscribe |=  (1 << (sn_type - SCTP_SN_TYPE_BASE));
+	else
+		*subscribe &= ~(1 << (sn_type - SCTP_SN_TYPE_BASE));
+}
+
 /* Is this event type enabled? */
-static inline int sctp_ulpevent_type_enabled(__u16 sn_type,
-					     struct sctp_event_subscribe *mask)
+static inline bool sctp_ulpevent_type_enabled(__u16 subscribe, __u16 sn_type)
 {
-	int offset = sn_type - SCTP_SN_TYPE_BASE;
-	char *amask = (char *) mask;
+	if (sn_type > SCTP_SN_TYPE_MAX)
+		return false;
 
-	if (offset >= sizeof(struct sctp_event_subscribe))
-		return 0;
-	return amask[offset];
+	return subscribe & (1 << (sn_type - SCTP_SN_TYPE_BASE));
 }
 
 /* Given an event subscription, is this event enabled? */
-static inline int sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
-					   struct sctp_event_subscribe *mask)
+static inline bool sctp_ulpevent_is_enabled(const struct sctp_ulpevent *event,
+					    __u16 subscribe)
 {
 	__u16 sn_type;
-	int enabled = 1;
 
-	if (sctp_ulpevent_is_notification(event)) {
-		sn_type = sctp_ulpevent_get_notification_type(event);
-		enabled = sctp_ulpevent_type_enabled(sn_type, mask);
-	}
-	return enabled;
+	if (!sctp_ulpevent_is_notification(event))
+		return true;
+
+	sn_type = sctp_ulpevent_get_notification_type(event);
+
+	return sctp_ulpevent_type_enabled(subscribe, sn_type);
 }
 
 #endif /* __sctp_ulpevent_h__ */
diff --git a/include/net/seg6.h b/include/net/seg6.h
index 2567941a2f32..8b2dc6869fd1 100644
--- a/include/net/seg6.h
+++ b/include/net/seg6.h
@@ -16,7 +16,6 @@
 
 #include <linux/net.h>
 #include <linux/ipv6.h>
-#include <net/lwtunnel.h>
 #include <linux/seg6.h>
 #include <linux/rhashtable-types.h>
 
diff --git a/include/net/smc.h b/include/net/smc.h
index 9ef49f8b1002..bd9c0fb3b577 100644
--- a/include/net/smc.h
+++ b/include/net/smc.h
@@ -74,6 +74,7 @@ struct smcd_dev {
 	struct list_head vlan;
 	struct workqueue_struct *event_wq;
 	u8 pnetid[SMC_MAX_PNETID_LEN];
+	bool pnetid_by_user;
 };
 
 struct smcd_dev *smcd_alloc_dev(struct device *parent, const char *name,
diff --git a/include/net/sock.h b/include/net/sock.h
index 0e3a09380655..341f8bafa0cf 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -298,6 +298,7 @@ struct sock_common {
   *	@sk_filter: socket filtering instructions
   *	@sk_timer: sock cleanup timer
   *	@sk_stamp: time stamp of last packet received
+  *	@sk_stamp_seq: lock for accessing sk_stamp on 32 bit architectures only
   *	@sk_tsflags: SO_TIMESTAMPING socket options
   *	@sk_tskey: counter to disambiguate concurrent tstamp requests
   *	@sk_zckey: counter to order MSG_ZEROCOPY notifications
@@ -474,6 +475,9 @@ struct sock {
 	const struct cred	*sk_peer_cred;
 	long			sk_rcvtimeo;
 	ktime_t			sk_stamp;
+#if BITS_PER_LONG==32
+	seqlock_t		sk_stamp_seq;
+#endif
 	u16			sk_tsflags;
 	u8			sk_shutdown;
 	u32			sk_tskey;
@@ -706,6 +710,12 @@ static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)
 		hlist_add_head_rcu(&sk->sk_node, list);
 }
 
+static inline void sk_add_node_tail_rcu(struct sock *sk, struct hlist_head *list)
+{
+	sock_hold(sk);
+	hlist_add_tail_rcu(&sk->sk_node, list);
+}
+
 static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)
 {
 	hlist_nulls_add_head_rcu(&sk->sk_nulls_node, list);
@@ -801,6 +811,7 @@ enum sock_flags {
 	SOCK_RCU_FREE, /* wait rcu grace period in sk_destruct() */
 	SOCK_TXTIME,
 	SOCK_XDP, /* XDP is attached */
+	SOCK_TSTAMP_NEW, /* Indicates 64 bit timestamps always */
 };
 
 #define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE))
@@ -1110,7 +1121,7 @@ struct proto {
 	unsigned int		inuse_idx;
 #endif
 
-	bool			(*stream_memory_free)(const struct sock *sk);
+	bool			(*stream_memory_free)(const struct sock *sk, int wake);
 	bool			(*stream_memory_read)(const struct sock *sk);
 	/* Memory pressure */
 	void			(*enter_memory_pressure)(struct sock *sk);
@@ -1192,19 +1203,29 @@ static inline void sk_refcnt_debug_release(const struct sock *sk)
 #define sk_refcnt_debug_release(sk) do { } while (0)
 #endif /* SOCK_REFCNT_DEBUG */
 
-static inline bool sk_stream_memory_free(const struct sock *sk)
+static inline bool __sk_stream_memory_free(const struct sock *sk, int wake)
 {
 	if (sk->sk_wmem_queued >= sk->sk_sndbuf)
 		return false;
 
 	return sk->sk_prot->stream_memory_free ?
-		sk->sk_prot->stream_memory_free(sk) : true;
+		sk->sk_prot->stream_memory_free(sk, wake) : true;
 }
 
-static inline bool sk_stream_is_writeable(const struct sock *sk)
+static inline bool sk_stream_memory_free(const struct sock *sk)
+{
+	return __sk_stream_memory_free(sk, 0);
+}
+
+static inline bool __sk_stream_is_writeable(const struct sock *sk, int wake)
 {
 	return sk_stream_wspace(sk) >= sk_stream_min_wspace(sk) &&
-	       sk_stream_memory_free(sk);
+	       __sk_stream_memory_free(sk, wake);
+}
+
+static inline bool sk_stream_is_writeable(const struct sock *sk)
+{
+	return __sk_stream_is_writeable(sk, 0);
 }
 
 static inline int sk_under_cgroup_hierarchy(struct sock *sk,
@@ -1263,7 +1284,7 @@ static inline void sk_sockets_allocated_inc(struct sock *sk)
 	percpu_counter_inc(sk->sk_prot->sockets_allocated);
 }
 
-static inline int
+static inline u64
 sk_sockets_allocated_read_positive(struct sock *sk)
 {
 	return percpu_counter_read_positive(sk->sk_prot->sockets_allocated);
@@ -2063,12 +2084,6 @@ static inline bool skwq_has_sleeper(struct socket_wq *wq)
  * @p:              poll_table
  *
  * See the comments in the wq_has_sleeper function.
- *
- * Do not derive sock from filp->private_data here. An SMC socket establishes
- * an internal TCP socket that is used in the fallback case. All socket
- * operations on the SMC socket are then forwarded to the TCP socket. In case of
- * poll, the filp->private_data pointer references the SMC socket because the
- * TCP socket has no file assigned.
  */
 static inline void sock_poll_wait(struct file *filp, struct socket *sock,
 				  poll_table *p)
@@ -2287,6 +2302,34 @@ static inline void sk_drops_add(struct sock *sk, const struct sk_buff *skb)
 	atomic_add(segs, &sk->sk_drops);
 }
 
+static inline ktime_t sock_read_timestamp(struct sock *sk)
+{
+#if BITS_PER_LONG==32
+	unsigned int seq;
+	ktime_t kt;
+
+	do {
+		seq = read_seqbegin(&sk->sk_stamp_seq);
+		kt = sk->sk_stamp;
+	} while (read_seqretry(&sk->sk_stamp_seq, seq));
+
+	return kt;
+#else
+	return sk->sk_stamp;
+#endif
+}
+
+static inline void sock_write_timestamp(struct sock *sk, ktime_t kt)
+{
+#if BITS_PER_LONG==32
+	write_seqlock(&sk->sk_stamp_seq);
+	sk->sk_stamp = kt;
+	write_sequnlock(&sk->sk_stamp_seq);
+#else
+	sk->sk_stamp = kt;
+#endif
+}
+
 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
 			   struct sk_buff *skb);
 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
@@ -2311,7 +2354,7 @@ sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)
 	     (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)))
 		__sock_recv_timestamp(msg, sk, skb);
 	else
-		sk->sk_stamp = kt;
+		sock_write_timestamp(sk, kt);
 
 	if (sock_flag(sk, SOCK_WIFI_STATUS) && skb->wifi_acked_valid)
 		__sock_recv_wifi_status(msg, sk, skb);
@@ -2332,9 +2375,9 @@ static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
 	if (sk->sk_flags & FLAGS_TS_OR_DROPS || sk->sk_tsflags & TSFLAGS_ANY)
 		__sock_recv_ts_and_drops(msg, sk, skb);
 	else if (unlikely(sock_flag(sk, SOCK_TIMESTAMP)))
-		sk->sk_stamp = skb->tstamp;
+		sock_write_timestamp(sk, skb->tstamp);
 	else if (unlikely(sk->sk_stamp == SK_DEFAULT_STAMP))
-		sk->sk_stamp = 0;
+		sock_write_timestamp(sk, 0);
 }
 
 void __sock_tx_timestamp(__u16 tsflags, __u8 *tx_flags);
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 881ecb1555bf..0ebd67ae7012 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -20,14 +20,7 @@
 #define SWITCHDEV_F_SKIP_EOPNOTSUPP	BIT(1)
 #define SWITCHDEV_F_DEFER		BIT(2)
 
-struct switchdev_trans_item {
-	struct list_head list;
-	void *data;
-	void (*destructor)(const void *data);
-};
-
 struct switchdev_trans {
-	struct list_head item_list;
 	bool ph_prepare;
 };
 
@@ -43,10 +36,9 @@ static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
 
 enum switchdev_attr_id {
 	SWITCHDEV_ATTR_ID_UNDEFINED,
-	SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
 	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
 	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
-	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS_SUPPORT,
+	SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS,
 	SWITCHDEV_ATTR_ID_PORT_MROUTER,
 	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
 	SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
@@ -61,10 +53,8 @@ struct switchdev_attr {
 	void *complete_priv;
 	void (*complete)(struct net_device *dev, int err, void *priv);
 	union {
-		struct netdev_phys_item_id ppid;	/* PORT_PARENT_ID */
 		u8 stp_state;				/* PORT_STP_STATE */
-		unsigned long brport_flags;		/* PORT_BRIDGE_FLAGS */
-		unsigned long brport_flags_support;	/* PORT_BRIDGE_FLAGS_SUPPORT */
+		unsigned long brport_flags;		/* PORT_{PRE}_BRIDGE_FLAGS */
 		bool mrouter;				/* PORT_MROUTER */
 		clock_t ageing_time;			/* BRIDGE_AGEING_TIME */
 		bool vlan_filtering;			/* BRIDGE_VLAN_FILTERING */
@@ -95,8 +85,8 @@ struct switchdev_obj_port_vlan {
 	u16 vid_end;
 };
 
-#define SWITCHDEV_OBJ_PORT_VLAN(obj) \
-	container_of(obj, struct switchdev_obj_port_vlan, obj)
+#define SWITCHDEV_OBJ_PORT_VLAN(OBJ) \
+	container_of((OBJ), struct switchdev_obj_port_vlan, obj)
 
 /* SWITCHDEV_OBJ_ID_PORT_MDB */
 struct switchdev_obj_port_mdb {
@@ -105,40 +95,11 @@ struct switchdev_obj_port_mdb {
 	u16 vid;
 };
 
-#define SWITCHDEV_OBJ_PORT_MDB(obj) \
-	container_of(obj, struct switchdev_obj_port_mdb, obj)
-
-void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
-				  void *data, void (*destructor)(void const *),
-				  struct switchdev_trans_item *tritem);
-void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
+#define SWITCHDEV_OBJ_PORT_MDB(OBJ) \
+	container_of((OBJ), struct switchdev_obj_port_mdb, obj)
 
 typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
 
-/**
- * struct switchdev_ops - switchdev operations
- *
- * @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
- *
- * @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
- *
- * @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
- *
- * @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
- */
-struct switchdev_ops {
-	int	(*switchdev_port_attr_get)(struct net_device *dev,
-					   struct switchdev_attr *attr);
-	int	(*switchdev_port_attr_set)(struct net_device *dev,
-					   const struct switchdev_attr *attr,
-					   struct switchdev_trans *trans);
-	int	(*switchdev_port_obj_add)(struct net_device *dev,
-					  const struct switchdev_obj *obj,
-					  struct switchdev_trans *trans);
-	int	(*switchdev_port_obj_del)(struct net_device *dev,
-					  const struct switchdev_obj *obj);
-};
-
 enum switchdev_notifier_type {
 	SWITCHDEV_FDB_ADD_TO_BRIDGE = 1,
 	SWITCHDEV_FDB_DEL_TO_BRIDGE,
@@ -146,6 +107,12 @@ enum switchdev_notifier_type {
 	SWITCHDEV_FDB_DEL_TO_DEVICE,
 	SWITCHDEV_FDB_OFFLOADED,
 
+	SWITCHDEV_PORT_OBJ_ADD, /* Blocking. */
+	SWITCHDEV_PORT_OBJ_DEL, /* Blocking. */
+	SWITCHDEV_PORT_ATTR_SET, /* May be blocking . */
+
+	SWITCHDEV_VXLAN_FDB_ADD_TO_BRIDGE,
+	SWITCHDEV_VXLAN_FDB_DEL_TO_BRIDGE,
 	SWITCHDEV_VXLAN_FDB_ADD_TO_DEVICE,
 	SWITCHDEV_VXLAN_FDB_DEL_TO_DEVICE,
 	SWITCHDEV_VXLAN_FDB_OFFLOADED,
@@ -153,6 +120,7 @@ enum switchdev_notifier_type {
 
 struct switchdev_notifier_info {
 	struct net_device *dev;
+	struct netlink_ext_ack *extack;
 };
 
 struct switchdev_notifier_fdb_info {
@@ -163,47 +131,84 @@ struct switchdev_notifier_fdb_info {
 	   offloaded:1;
 };
 
+struct switchdev_notifier_port_obj_info {
+	struct switchdev_notifier_info info; /* must be first */
+	const struct switchdev_obj *obj;
+	struct switchdev_trans *trans;
+	bool handled;
+};
+
+struct switchdev_notifier_port_attr_info {
+	struct switchdev_notifier_info info; /* must be first */
+	const struct switchdev_attr *attr;
+	struct switchdev_trans *trans;
+	bool handled;
+};
+
 static inline struct net_device *
 switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
 {
 	return info->dev;
 }
 
+static inline struct netlink_ext_ack *
+switchdev_notifier_info_to_extack(const struct switchdev_notifier_info *info)
+{
+	return info->extack;
+}
+
 #ifdef CONFIG_NET_SWITCHDEV
 
 void switchdev_deferred_process(void);
-int switchdev_port_attr_get(struct net_device *dev,
-			    struct switchdev_attr *attr);
 int switchdev_port_attr_set(struct net_device *dev,
 			    const struct switchdev_attr *attr);
 int switchdev_port_obj_add(struct net_device *dev,
-			   const struct switchdev_obj *obj);
+			   const struct switchdev_obj *obj,
+			   struct netlink_ext_ack *extack);
 int switchdev_port_obj_del(struct net_device *dev,
 			   const struct switchdev_obj *obj);
+
 int register_switchdev_notifier(struct notifier_block *nb);
 int unregister_switchdev_notifier(struct notifier_block *nb);
 int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
-			     struct switchdev_notifier_info *info);
+			     struct switchdev_notifier_info *info,
+			     struct netlink_ext_ack *extack);
+
+int register_switchdev_blocking_notifier(struct notifier_block *nb);
+int unregister_switchdev_blocking_notifier(struct notifier_block *nb);
+int call_switchdev_blocking_notifiers(unsigned long val, struct net_device *dev,
+				      struct switchdev_notifier_info *info,
+				      struct netlink_ext_ack *extack);
+
 void switchdev_port_fwd_mark_set(struct net_device *dev,
 				 struct net_device *group_dev,
 				 bool joining);
 
-bool switchdev_port_same_parent_id(struct net_device *a,
-				   struct net_device *b);
-
-#define SWITCHDEV_SET_OPS(netdev, ops) ((netdev)->switchdev_ops = (ops))
+int switchdev_handle_port_obj_add(struct net_device *dev,
+			struct switchdev_notifier_port_obj_info *port_obj_info,
+			bool (*check_cb)(const struct net_device *dev),
+			int (*add_cb)(struct net_device *dev,
+				      const struct switchdev_obj *obj,
+				      struct switchdev_trans *trans,
+				      struct netlink_ext_ack *extack));
+int switchdev_handle_port_obj_del(struct net_device *dev,
+			struct switchdev_notifier_port_obj_info *port_obj_info,
+			bool (*check_cb)(const struct net_device *dev),
+			int (*del_cb)(struct net_device *dev,
+				      const struct switchdev_obj *obj));
+
+int switchdev_handle_port_attr_set(struct net_device *dev,
+			struct switchdev_notifier_port_attr_info *port_attr_info,
+			bool (*check_cb)(const struct net_device *dev),
+			int (*set_cb)(struct net_device *dev,
+				      const struct switchdev_attr *attr,
+				      struct switchdev_trans *trans));
 #else
 
 static inline void switchdev_deferred_process(void)
 {
 }
 
-static inline int switchdev_port_attr_get(struct net_device *dev,
-					  struct switchdev_attr *attr)
-{
-	return -EOPNOTSUPP;
-}
-
 static inline int switchdev_port_attr_set(struct net_device *dev,
 					  const struct switchdev_attr *attr)
 {
@@ -211,7 +216,8 @@ static inline int switchdev_port_attr_set(struct net_device *dev,
 }
 
 static inline int switchdev_port_obj_add(struct net_device *dev,
-					 const struct switchdev_obj *obj)
+					 const struct switchdev_obj *obj,
+					 struct netlink_ext_ack *extack)
 {
 	return -EOPNOTSUPP;
 }
@@ -234,19 +240,65 @@ static inline int unregister_switchdev_notifier(struct notifier_block *nb)
 
 static inline int call_switchdev_notifiers(unsigned long val,
 					   struct net_device *dev,
-					   struct switchdev_notifier_info *info)
+					   struct switchdev_notifier_info *info,
+					   struct netlink_ext_ack *extack)
+{
+	return NOTIFY_DONE;
+}
+
+static inline int
+register_switchdev_blocking_notifier(struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int
+unregister_switchdev_blocking_notifier(struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int
+call_switchdev_blocking_notifiers(unsigned long val,
+				  struct net_device *dev,
+				  struct switchdev_notifier_info *info,
+				  struct netlink_ext_ack *extack)
 {
 	return NOTIFY_DONE;
 }
 
-static inline bool switchdev_port_same_parent_id(struct net_device *a,
-						 struct net_device *b)
+static inline int
+switchdev_handle_port_obj_add(struct net_device *dev,
+			struct switchdev_notifier_port_obj_info *port_obj_info,
+			bool (*check_cb)(const struct net_device *dev),
+			int (*add_cb)(struct net_device *dev,
+				      const struct switchdev_obj *obj,
+				      struct switchdev_trans *trans,
+				      struct netlink_ext_ack *extack))
 {
-	return false;
+	return 0;
 }
 
-#define SWITCHDEV_SET_OPS(netdev, ops) do {} while (0)
+static inline int
+switchdev_handle_port_obj_del(struct net_device *dev,
+			struct switchdev_notifier_port_obj_info *port_obj_info,
+			bool (*check_cb)(const struct net_device *dev),
+			int (*del_cb)(struct net_device *dev,
+				      const struct switchdev_obj *obj))
+{
+	return 0;
+}
 
+static inline int
+switchdev_handle_port_attr_set(struct net_device *dev,
+			struct switchdev_notifier_port_attr_info *port_attr_info,
+			bool (*check_cb)(const struct net_device *dev),
+			int (*set_cb)(struct net_device *dev,
+				      const struct switchdev_attr *attr,
+				      struct switchdev_trans *trans))
+{
+	return 0;
+}
 #endif
 
 #endif /* _LINUX_SWITCHDEV_H_ */
diff --git a/include/net/tc_act/tc_csum.h b/include/net/tc_act/tc_csum.h
index 32d2454c0479..68269e4581b7 100644
--- a/include/net/tc_act/tc_csum.h
+++ b/include/net/tc_act/tc_csum.h
@@ -21,7 +21,7 @@ struct tcf_csum {
 static inline bool is_tcf_csum(const struct tc_action *a)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	if (a->ops && a->ops->type == TCA_ACT_CSUM)
+	if (a->ops && a->ops->id == TCA_ID_CSUM)
 		return true;
 #endif
 	return false;
diff --git a/include/net/tc_act/tc_gact.h b/include/net/tc_act/tc_gact.h
index ef8dd0db70ce..eb8f01c819e6 100644
--- a/include/net/tc_act/tc_gact.h
+++ b/include/net/tc_act/tc_gact.h
@@ -22,7 +22,7 @@ static inline bool __is_tcf_gact_act(const struct tc_action *a, int act,
 #ifdef CONFIG_NET_CLS_ACT
 	struct tcf_gact *gact;
 
-	if (a->ops && a->ops->type != TCA_ACT_GACT)
+	if (a->ops && a->ops->id != TCA_ID_GACT)
 		return false;
 
 	gact = to_gact(a);
@@ -56,7 +56,7 @@ static inline bool is_tcf_gact_goto_chain(const struct tc_action *a)
 
 static inline u32 tcf_gact_goto_chain_index(const struct tc_action *a)
 {
-	return a->goto_chain->index;
+	return READ_ONCE(a->tcfa_action) & TC_ACT_EXT_VAL_MASK;
 }
 
 #endif /* __NET_TC_GACT_H */
diff --git a/include/net/tc_act/tc_mirred.h b/include/net/tc_act/tc_mirred.h
index a2e9cbca5c9e..c757585a05b0 100644
--- a/include/net/tc_act/tc_mirred.h
+++ b/include/net/tc_act/tc_mirred.h
@@ -17,7 +17,7 @@ struct tcf_mirred {
 static inline bool is_tcf_mirred_egress_redirect(const struct tc_action *a)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	if (a->ops && a->ops->type == TCA_ACT_MIRRED)
+	if (a->ops && a->ops->id == TCA_ID_MIRRED)
 		return to_mirred(a)->tcfm_eaction == TCA_EGRESS_REDIR;
 #endif
 	return false;
@@ -26,7 +26,7 @@ static inline bool is_tcf_mirred_egress_redirect(const struct tc_action *a)
 static inline bool is_tcf_mirred_egress_mirror(const struct tc_action *a)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	if (a->ops && a->ops->type == TCA_ACT_MIRRED)
+	if (a->ops && a->ops->id == TCA_ID_MIRRED)
 		return to_mirred(a)->tcfm_eaction == TCA_EGRESS_MIRROR;
 #endif
 	return false;
diff --git a/include/net/tc_act/tc_pedit.h b/include/net/tc_act/tc_pedit.h
index fac3ad4a86de..748cf87a4d7e 100644
--- a/include/net/tc_act/tc_pedit.h
+++ b/include/net/tc_act/tc_pedit.h
@@ -23,7 +23,7 @@ struct tcf_pedit {
 static inline bool is_tcf_pedit(const struct tc_action *a)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	if (a->ops && a->ops->type == TCA_ACT_PEDIT)
+	if (a->ops && a->ops->id == TCA_ID_PEDIT)
 		return true;
 #endif
 	return false;
diff --git a/include/net/tc_act/tc_sample.h b/include/net/tc_act/tc_sample.h
index 01dbfea32672..0a559d4b6f0f 100644
--- a/include/net/tc_act/tc_sample.h
+++ b/include/net/tc_act/tc_sample.h
@@ -20,7 +20,7 @@ struct tcf_sample {
 static inline bool is_tcf_sample(const struct tc_action *a)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	return a->ops && a->ops->type == TCA_ACT_SAMPLE;
+	return a->ops && a->ops->id == TCA_ID_SAMPLE;
 #else
 	return false;
 #endif
diff --git a/include/net/tc_act/tc_skbedit.h b/include/net/tc_act/tc_skbedit.h
index 911bbac838a2..85c5c4756d92 100644
--- a/include/net/tc_act/tc_skbedit.h
+++ b/include/net/tc_act/tc_skbedit.h
@@ -44,7 +44,7 @@ static inline bool is_tcf_skbedit_mark(const struct tc_action *a)
 #ifdef CONFIG_NET_CLS_ACT
 	u32 flags;
 
-	if (a->ops && a->ops->type == TCA_ACT_SKBEDIT) {
+	if (a->ops && a->ops->id == TCA_ID_SKBEDIT) {
 		rcu_read_lock();
 		flags = rcu_dereference(to_skbedit(a)->params)->flags;
 		rcu_read_unlock();
diff --git a/include/net/tc_act/tc_tunnel_key.h b/include/net/tc_act/tc_tunnel_key.h
index 46b8c7f1c8d5..23d5b8b19f3e 100644
--- a/include/net/tc_act/tc_tunnel_key.h
+++ b/include/net/tc_act/tc_tunnel_key.h
@@ -34,7 +34,7 @@ static inline bool is_tcf_tunnel_set(const struct tc_action *a)
 	struct tcf_tunnel_key *t = to_tunnel_key(a);
 	struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
 
-	if (a->ops && a->ops->type == TCA_ACT_TUNNEL_KEY)
+	if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY)
 		return params->tcft_action == TCA_TUNNEL_KEY_ACT_SET;
 #endif
 	return false;
@@ -46,7 +46,7 @@ static inline bool is_tcf_tunnel_release(const struct tc_action *a)
 	struct tcf_tunnel_key *t = to_tunnel_key(a);
 	struct tcf_tunnel_key_params *params = rtnl_dereference(t->params);
 
-	if (a->ops && a->ops->type == TCA_ACT_TUNNEL_KEY)
+	if (a->ops && a->ops->id == TCA_ID_TUNNEL_KEY)
 		return params->tcft_action == TCA_TUNNEL_KEY_ACT_RELEASE;
 #endif
 	return false;
diff --git a/include/net/tc_act/tc_vlan.h b/include/net/tc_act/tc_vlan.h
index 22ae260d6869..fe39ed502bef 100644
--- a/include/net/tc_act/tc_vlan.h
+++ b/include/net/tc_act/tc_vlan.h
@@ -30,7 +30,7 @@ struct tcf_vlan {
 static inline bool is_tcf_vlan(const struct tc_action *a)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	if (a->ops && a->ops->type == TCA_ACT_VLAN)
+	if (a->ops && a->ops->id == TCA_ID_VLAN)
 		return true;
 #endif
 	return false;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index a18914d20486..68ee02523b87 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -313,7 +313,7 @@ extern struct proto tcp_prot;
 
 void tcp_tasklet_init(void);
 
-void tcp_v4_err(struct sk_buff *skb, u32);
+int tcp_v4_err(struct sk_buff *skb, u32);
 
 void tcp_shutdown(struct sock *sk, int how);
 
@@ -406,8 +406,10 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
 		int flags, int *addr_len);
 int tcp_set_rcvlowat(struct sock *sk, int val);
 void tcp_data_ready(struct sock *sk);
+#ifdef CONFIG_MMU
 int tcp_mmap(struct file *file, struct socket *sock,
 	     struct vm_area_struct *vma);
+#endif
 void tcp_parse_options(const struct net *net, const struct sk_buff *skb,
 		       struct tcp_options_received *opt_rx,
 		       int estab, struct tcp_fastopen_cookie *foc);
@@ -1124,7 +1126,7 @@ void tcp_rate_check_app_limited(struct sock *sk);
  */
 static inline int tcp_is_sack(const struct tcp_sock *tp)
 {
-	return tp->rx_opt.sack_ok;
+	return likely(tp->rx_opt.sack_ok);
 }
 
 static inline bool tcp_is_reno(const struct tcp_sock *tp)
@@ -1315,33 +1317,16 @@ static inline __sum16 tcp_v4_check(int len, __be32 saddr,
 	return csum_tcpudp_magic(saddr,daddr,len,IPPROTO_TCP,base);
 }
 
-static inline __sum16 __tcp_checksum_complete(struct sk_buff *skb)
-{
-	return __skb_checksum_complete(skb);
-}
-
 static inline bool tcp_checksum_complete(struct sk_buff *skb)
 {
 	return !skb_csum_unnecessary(skb) &&
-		__tcp_checksum_complete(skb);
+		__skb_checksum_complete(skb);
 }
 
 bool tcp_add_backlog(struct sock *sk, struct sk_buff *skb);
 int tcp_filter(struct sock *sk, struct sk_buff *skb);
-
-#undef STATE_TRACE
-
-#ifdef STATE_TRACE
-static const char *statename[]={
-	"Unused","Established","Syn Sent","Syn Recv",
-	"Fin Wait 1","Fin Wait 2","Time Wait", "Close",
-	"Close Wait","Last ACK","Listen","Closing"
-};
-#endif
 void tcp_set_state(struct sock *sk, int state);
-
 void tcp_done(struct sock *sk);
-
 int tcp_abort(struct sock *sk, int err);
 
 static inline void tcp_sack_reset(struct tcp_options_received *rx_opt)
@@ -1385,7 +1370,7 @@ static inline int tcp_win_from_space(const struct sock *sk, int space)
 /* Note: caller must be prepared to deal with negative returns */
 static inline int tcp_space(const struct sock *sk)
 {
-	return tcp_win_from_space(sk, sk->sk_rcvbuf -
+	return tcp_win_from_space(sk, sk->sk_rcvbuf - sk->sk_backlog.len -
 				  atomic_read(&sk->sk_rmem_alloc));
 }
 
@@ -1572,9 +1557,21 @@ struct tcp_md5sig_key *tcp_v4_md5_lookup(const struct sock *sk,
 					 const struct sock *addr_sk);
 
 #ifdef CONFIG_TCP_MD5SIG
-struct tcp_md5sig_key *tcp_md5_do_lookup(const struct sock *sk,
-					 const union tcp_md5_addr *addr,
-					 int family);
+#include <linux/jump_label.h>
+extern struct static_key_false tcp_md5_needed;
+struct tcp_md5sig_key *__tcp_md5_do_lookup(const struct sock *sk,
+					   const union tcp_md5_addr *addr,
+					   int family);
+static inline struct tcp_md5sig_key *
+tcp_md5_do_lookup(const struct sock *sk,
+		  const union tcp_md5_addr *addr,
+		  int family)
+{
+	if (!static_branch_unlikely(&tcp_md5_needed))
+		return NULL;
+	return __tcp_md5_do_lookup(sk, addr, family);
+}
+
 #define tcp_twsk_md5_key(twsk)	((twsk)->tw_md5_key)
 #else
 static inline struct tcp_md5sig_key *tcp_md5_do_lookup(const struct sock *sk,
@@ -1611,6 +1608,7 @@ struct tcp_fastopen_request {
 	struct msghdr			*data;  /* data in MSG_FASTOPEN */
 	size_t				size;
 	int				copied;	/* queued in tcp_connect() */
+	struct ubuf_info		*uarg;
 };
 void tcp_free_fastopen_req(struct tcp_sock *tp);
 void tcp_fastopen_destroy_cipher(struct sock *sk);
@@ -1718,20 +1716,9 @@ static inline bool tcp_rtx_and_write_queues_empty(const struct sock *sk)
 	return tcp_rtx_queue_empty(sk) && tcp_write_queue_empty(sk);
 }
 
-static inline void tcp_check_send_head(struct sock *sk, struct sk_buff *skb_unlinked)
-{
-	if (tcp_write_queue_empty(sk))
-		tcp_chrono_stop(sk, TCP_CHRONO_BUSY);
-}
-
-static inline void __tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
-{
-	__skb_queue_tail(&sk->sk_write_queue, skb);
-}
-
 static inline void tcp_add_write_queue_tail(struct sock *sk, struct sk_buff *skb)
 {
-	__tcp_add_write_queue_tail(sk, skb);
+	__skb_queue_tail(&sk->sk_write_queue, skb);
 
 	/* Queue it, remembering where we must start sending. */
 	if (sk->sk_write_queue.next == skb)
@@ -1875,12 +1862,16 @@ static inline u32 tcp_notsent_lowat(const struct tcp_sock *tp)
 	return tp->notsent_lowat ?: net->ipv4.sysctl_tcp_notsent_lowat;
 }
 
-static inline bool tcp_stream_memory_free(const struct sock *sk)
+/* @wake is one when sk_stream_write_space() calls us.
+ * This sends EPOLLOUT only if notsent_bytes is half the limit.
+ * This mimics the strategy used in sock_def_write_space().
+ */
+static inline bool tcp_stream_memory_free(const struct sock *sk, int wake)
 {
 	const struct tcp_sock *tp = tcp_sk(sk);
 	u32 notsent_bytes = tp->write_seq - tp->snd_nxt;
 
-	return notsent_bytes < tcp_notsent_lowat(tp);
+	return (notsent_bytes << wake) < tcp_notsent_lowat(tp);
 }
 
 #ifdef CONFIG_PROC_FS
diff --git a/include/net/tls.h b/include/net/tls.h
index 3cbcd12303fd..5934246b2c6f 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -119,11 +119,21 @@ struct tls_rec {
 	/* AAD | msg_encrypted.sg.data (data contains overhead for hdr & iv & tag) */
 	struct scatterlist sg_aead_out[2];
 
+	char content_type;
+	struct scatterlist sg_content_type;
+
 	char aad_space[TLS_AAD_SPACE_SIZE];
+	u8 iv_data[TLS_CIPHER_AES_GCM_128_IV_SIZE +
+		   TLS_CIPHER_AES_GCM_128_SALT_SIZE];
 	struct aead_request aead_req;
 	u8 aead_req_ctx[];
 };
 
+struct tls_msg {
+	struct strp_msg rxm;
+	u8 control;
+};
+
 struct tx_work {
 	struct delayed_work work;
 	struct sock *sk;
@@ -137,6 +147,7 @@ struct tls_sw_context_tx {
 	struct list_head tx_list;
 	atomic_t encrypt_pending;
 	int async_notify;
+	int async_capable;
 
 #define BIT_TX_SCHEDULED	0
 	unsigned long tx_bitmask;
@@ -145,12 +156,13 @@ struct tls_sw_context_tx {
 struct tls_sw_context_rx {
 	struct crypto_aead *aead_recv;
 	struct crypto_wait async_wait;
-
 	struct strparser strp;
+	struct sk_buff_head rx_list;	/* list of decrypted 'data' records */
 	void (*saved_data_ready)(struct sock *sk);
 
 	struct sk_buff *recv_pkt;
 	u8 control;
+	int async_capable;
 	bool decrypted;
 	atomic_t decrypt_pending;
 	bool async_notify;
@@ -187,26 +199,34 @@ struct tls_offload_context_tx {
 	(ALIGN(sizeof(struct tls_offload_context_tx), sizeof(void *)) +        \
 	 TLS_DRIVER_STATE_SIZE)
 
-enum {
-	TLS_PENDING_CLOSED_RECORD
-};
-
 struct cipher_context {
-	u16 prepend_size;
-	u16 tag_size;
-	u16 overhead_size;
-	u16 iv_size;
 	char *iv;
-	u16 rec_seq_size;
 	char *rec_seq;
 };
 
 union tls_crypto_context {
 	struct tls_crypto_info info;
-	struct tls12_crypto_info_aes_gcm_128 aes_gcm_128;
+	union {
+		struct tls12_crypto_info_aes_gcm_128 aes_gcm_128;
+		struct tls12_crypto_info_aes_gcm_256 aes_gcm_256;
+	};
+};
+
+struct tls_prot_info {
+	u16 version;
+	u16 cipher_type;
+	u16 prepend_size;
+	u16 tag_size;
+	u16 overhead_size;
+	u16 iv_size;
+	u16 rec_seq_size;
+	u16 aad_size;
+	u16 tail_size;
 };
 
 struct tls_context {
+	struct tls_prot_info prot_info;
+
 	union tls_crypto_context crypto_send;
 	union tls_crypto_context crypto_recv;
 
@@ -287,6 +307,7 @@ int tls_device_sendmsg(struct sock *sk, struct msghdr *msg, size_t size);
 int tls_device_sendpage(struct sock *sk, struct page *page,
 			int offset, size_t size, int flags);
 void tls_device_sk_destruct(struct sock *sk);
+void tls_device_free_resources_tx(struct sock *sk);
 void tls_device_init(void);
 void tls_device_cleanup(void);
 int tls_tx_records(struct sock *sk, int flags);
@@ -310,13 +331,16 @@ int tls_push_sg(struct sock *sk, struct tls_context *ctx,
 		int flags);
 int tls_push_partial_record(struct sock *sk, struct tls_context *ctx,
 			    int flags);
+bool tls_free_partial_record(struct sock *sk, struct tls_context *ctx);
 
-int tls_push_pending_closed_record(struct sock *sk, struct tls_context *ctx,
-				   int flags, long *timeo);
+static inline struct tls_msg *tls_msg(struct sk_buff *skb)
+{
+	return (struct tls_msg *)strp_msg(skb);
+}
 
-static inline bool tls_is_pending_closed_record(struct tls_context *ctx)
+static inline bool tls_is_partially_sent_record(struct tls_context *ctx)
 {
-	return test_bit(TLS_PENDING_CLOSED_RECORD, &ctx->flags);
+	return !!ctx->partially_sent_record;
 }
 
 static inline int tls_complete_pending_work(struct sock *sk,
@@ -328,17 +352,12 @@ static inline int tls_complete_pending_work(struct sock *sk,
 	if (unlikely(sk->sk_write_pending))
 		rc = wait_on_pending_writer(sk, timeo);
 
-	if (!rc && tls_is_pending_closed_record(ctx))
-		rc = tls_push_pending_closed_record(sk, ctx, flags, timeo);
+	if (!rc && tls_is_partially_sent_record(ctx))
+		rc = tls_push_partial_record(sk, ctx, flags);
 
 	return rc;
 }
 
-static inline bool tls_is_partially_sent_record(struct tls_context *ctx)
-{
-	return !!ctx->partially_sent_record;
-}
-
 static inline bool tls_is_pending_open_record(struct tls_context *tls_ctx)
 {
 	return tls_ctx->pending_open_record_frags;
@@ -362,7 +381,7 @@ tls_validate_xmit_skb(struct sock *sk, struct net_device *dev,
 static inline bool tls_is_sk_tx_device_offloaded(struct sock *sk)
 {
 #ifdef CONFIG_SOCK_VALIDATE_XMIT
-	return sk_fullsock(sk) &
+	return sk_fullsock(sk) &&
 	       (smp_load_acquire(&sk->sk_validate_xmit_skb) ==
 	       &tls_validate_xmit_skb);
 #else
@@ -389,59 +408,92 @@ static inline bool tls_bigint_increment(unsigned char *seq, int len)
 	return (i == -1);
 }
 
+static inline struct tls_context *tls_get_ctx(const struct sock *sk)
+{
+	struct inet_connection_sock *icsk = inet_csk(sk);
+
+	return icsk->icsk_ulp_data;
+}
+
 static inline void tls_advance_record_sn(struct sock *sk,
-					 struct cipher_context *ctx)
+					 struct cipher_context *ctx,
+					 int version)
 {
-	if (tls_bigint_increment(ctx->rec_seq, ctx->rec_seq_size))
+	struct tls_context *tls_ctx = tls_get_ctx(sk);
+	struct tls_prot_info *prot = &tls_ctx->prot_info;
+
+	if (tls_bigint_increment(ctx->rec_seq, prot->rec_seq_size))
 		tls_err_abort(sk, EBADMSG);
-	tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
-			     ctx->iv_size);
+
+	if (version != TLS_1_3_VERSION) {
+		tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
+				     prot->iv_size);
+	}
 }
 
 static inline void tls_fill_prepend(struct tls_context *ctx,
 			     char *buf,
 			     size_t plaintext_len,
-			     unsigned char record_type)
+			     unsigned char record_type,
+			     int version)
 {
-	size_t pkt_len, iv_size = ctx->tx.iv_size;
+	struct tls_prot_info *prot = &ctx->prot_info;
+	size_t pkt_len, iv_size = prot->iv_size;
+
+	pkt_len = plaintext_len + prot->tag_size;
+	if (version != TLS_1_3_VERSION) {
+		pkt_len += iv_size;
 
-	pkt_len = plaintext_len + iv_size + ctx->tx.tag_size;
+		memcpy(buf + TLS_NONCE_OFFSET,
+		       ctx->tx.iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv_size);
+	}
 
 	/* we cover nonce explicit here as well, so buf should be of
 	 * size KTLS_DTLS_HEADER_SIZE + KTLS_DTLS_NONCE_EXPLICIT_SIZE
 	 */
-	buf[0] = record_type;
-	buf[1] = TLS_VERSION_MINOR(ctx->crypto_send.info.version);
-	buf[2] = TLS_VERSION_MAJOR(ctx->crypto_send.info.version);
+	buf[0] = version == TLS_1_3_VERSION ?
+		   TLS_RECORD_TYPE_DATA : record_type;
+	/* Note that VERSION must be TLS_1_2 for both TLS1.2 and TLS1.3 */
+	buf[1] = TLS_1_2_VERSION_MINOR;
+	buf[2] = TLS_1_2_VERSION_MAJOR;
 	/* we can use IV for nonce explicit according to spec */
 	buf[3] = pkt_len >> 8;
 	buf[4] = pkt_len & 0xFF;
-	memcpy(buf + TLS_NONCE_OFFSET,
-	       ctx->tx.iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE, iv_size);
 }
 
 static inline void tls_make_aad(char *buf,
 				size_t size,
 				char *record_sequence,
 				int record_sequence_size,
-				unsigned char record_type)
+				unsigned char record_type,
+				int version)
 {
-	memcpy(buf, record_sequence, record_sequence_size);
+	if (version != TLS_1_3_VERSION) {
+		memcpy(buf, record_sequence, record_sequence_size);
+		buf += 8;
+	} else {
+		size += TLS_CIPHER_AES_GCM_128_TAG_SIZE;
+	}
 
-	buf[8] = record_type;
-	buf[9] = TLS_1_2_VERSION_MAJOR;
-	buf[10] = TLS_1_2_VERSION_MINOR;
-	buf[11] = size >> 8;
-	buf[12] = size & 0xFF;
+	buf[0] = version == TLS_1_3_VERSION ?
+		  TLS_RECORD_TYPE_DATA : record_type;
+	buf[1] = TLS_1_2_VERSION_MAJOR;
+	buf[2] = TLS_1_2_VERSION_MINOR;
+	buf[3] = size >> 8;
+	buf[4] = size & 0xFF;
 }
 
-static inline struct tls_context *tls_get_ctx(const struct sock *sk)
+static inline void xor_iv_with_seq(int version, char *iv, char *seq)
 {
-	struct inet_connection_sock *icsk = inet_csk(sk);
+	int i;
 
-	return icsk->icsk_ulp_data;
+	if (version == TLS_1_3_VERSION) {
+		for (i = 0; i < 8; i++)
+			iv[i + 4] ^= seq[i];
+	}
 }
 
+
 static inline struct tls_sw_context_rx *tls_sw_ctx_rx(
 		const struct tls_context *tls_ctx)
 {
@@ -460,6 +512,18 @@ tls_offload_ctx_tx(const struct tls_context *tls_ctx)
 	return (struct tls_offload_context_tx *)tls_ctx->priv_ctx_tx;
 }
 
+static inline bool tls_sw_has_ctx_tx(const struct sock *sk)
+{
+	struct tls_context *ctx = tls_get_ctx(sk);
+
+	if (!ctx)
+		return false;
+	return !!tls_sw_ctx_tx(ctx);
+}
+
+void tls_sw_write_space(struct sock *sk, struct tls_context *ctx);
+void tls_device_write_space(struct sock *sk, struct tls_context *ctx);
+
 static inline struct tls_offload_context_rx *
 tls_offload_ctx_rx(const struct tls_context *tls_ctx)
 {
diff --git a/include/net/udp.h b/include/net/udp.h
index 9e82cb391dea..fd6d948755c8 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -252,6 +252,17 @@ static inline int udp_rqueue_get(struct sock *sk)
 	return sk_rmem_alloc_get(sk) - READ_ONCE(udp_sk(sk)->forward_deficit);
 }
 
+static inline bool udp_sk_bound_dev_eq(struct net *net, int bound_dev_if,
+				       int dif, int sdif)
+{
+#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
+	return inet_bound_dev_eq(!!net->ipv4.sysctl_udp_l3mdev_accept,
+				 bound_dev_if, dif, sdif);
+#else
+	return inet_bound_dev_eq(true, bound_dev_if, dif, sdif);
+#endif
+}
+
 /* net/ipv4/udp.c */
 void udp_destruct_sock(struct sock *sk);
 void skb_consume_udp(struct sock *sk, struct sk_buff *skb, int len);
@@ -272,7 +283,7 @@ bool udp_sk_rx_dst_set(struct sock *sk, struct dst_entry *dst);
 int udp_get_port(struct sock *sk, unsigned short snum,
 		 int (*saddr_cmp)(const struct sock *,
 				  const struct sock *));
-void udp_err(struct sk_buff *, u32);
+int udp_err(struct sk_buff *, u32);
 int udp_abort(struct sock *sk, int err);
 int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len);
 int udp_push_pending_frames(struct sock *sk);
@@ -406,17 +417,24 @@ static inline int copy_linear_skb(struct sk_buff *skb, int len, int off,
 } while(0)
 
 #if IS_ENABLED(CONFIG_IPV6)
-#define __UDPX_INC_STATS(sk, field)					\
-do {									\
-	if ((sk)->sk_family == AF_INET)					\
-		__UDP_INC_STATS(sock_net(sk), field, 0);		\
-	else								\
-		__UDP6_INC_STATS(sock_net(sk), field, 0);		\
-} while (0)
+#define __UDPX_MIB(sk, ipv4)						\
+({									\
+	ipv4 ? (IS_UDPLITE(sk) ? sock_net(sk)->mib.udplite_statistics :	\
+				 sock_net(sk)->mib.udp_statistics) :	\
+		(IS_UDPLITE(sk) ? sock_net(sk)->mib.udplite_stats_in6 :	\
+				 sock_net(sk)->mib.udp_stats_in6);	\
+})
 #else
-#define __UDPX_INC_STATS(sk, field) __UDP_INC_STATS(sock_net(sk), field, 0)
+#define __UDPX_MIB(sk, ipv4)						\
+({									\
+	IS_UDPLITE(sk) ? sock_net(sk)->mib.udplite_statistics :		\
+			 sock_net(sk)->mib.udp_statistics;		\
+})
 #endif
 
+#define __UDPX_INC_STATS(sk, field) \
+	__SNMP_INC_STATS(__UDPX_MIB(sk, (sk)->sk_family == AF_INET), field)
+
 #ifdef CONFIG_PROC_FS
 struct udp_seq_afinfo {
 	sa_family_t			family;
@@ -450,4 +468,26 @@ DECLARE_STATIC_KEY_FALSE(udpv6_encap_needed_key);
 void udpv6_encap_enable(void);
 #endif
 
+static inline struct sk_buff *udp_rcv_segment(struct sock *sk,
+					      struct sk_buff *skb, bool ipv4)
+{
+	struct sk_buff *segs;
+
+	/* the GSO CB lays after the UDP one, no need to save and restore any
+	 * CB fragment
+	 */
+	segs = __skb_gso_segment(skb, NETIF_F_SG, false);
+	if (unlikely(IS_ERR_OR_NULL(segs))) {
+		int segs_nr = skb_shinfo(skb)->gso_segs;
+
+		atomic_add(segs_nr, &sk->sk_drops);
+		SNMP_ADD_STATS(__UDPX_MIB(sk, ipv4), UDP_MIB_INERRORS, segs_nr);
+		kfree_skb(skb);
+		return NULL;
+	}
+
+	consume_skb(skb);
+	return segs;
+}
+
 #endif	/* _UDP_H */
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index fe680ab6b15a..b8137953fea3 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -30,6 +30,7 @@ struct udp_port_cfg {
 
 	__be16			local_udp_port;
 	__be16			peer_udp_port;
+	int			bind_ifindex;
 	unsigned int		use_udp_checksums:1,
 				use_udp6_tx_checksums:1,
 				use_udp6_rx_checksums:1,
@@ -64,6 +65,8 @@ static inline int udp_sock_create(struct net *net,
 }
 
 typedef int (*udp_tunnel_encap_rcv_t)(struct sock *sk, struct sk_buff *skb);
+typedef int (*udp_tunnel_encap_err_lookup_t)(struct sock *sk,
+					     struct sk_buff *skb);
 typedef void (*udp_tunnel_encap_destroy_t)(struct sock *sk);
 typedef struct sk_buff *(*udp_tunnel_gro_receive_t)(struct sock *sk,
 						    struct list_head *head,
@@ -76,6 +79,7 @@ struct udp_tunnel_sock_cfg {
 	/* Used for setting up udp_sock fields, see udp.h for details */
 	__u8  encap_type;
 	udp_tunnel_encap_rcv_t encap_rcv;
+	udp_tunnel_encap_err_lookup_t encap_err_lookup;
 	udp_tunnel_encap_destroy_t encap_destroy;
 	udp_tunnel_gro_receive_t gro_receive;
 	udp_tunnel_gro_complete_t gro_complete;
@@ -165,6 +169,12 @@ static inline int udp_tunnel_handle_offloads(struct sk_buff *skb, bool udp_csum)
 
 static inline void udp_tunnel_encap_enable(struct socket *sock)
 {
+	struct udp_sock *up = udp_sk(sock->sk);
+
+	if (up->encap_enabled)
+		return;
+
+	up->encap_enabled = 1;
 #if IS_ENABLED(CONFIG_IPV6)
 	if (sock->sk->sk_family == PF_INET6)
 		ipv6_stub->udpv6_encap_enable();
diff --git a/include/net/vxlan.h b/include/net/vxlan.h
index 03431c148e16..00254a58824b 100644
--- a/include/net/vxlan.h
+++ b/include/net/vxlan.h
@@ -216,6 +216,7 @@ struct vxlan_config {
 	unsigned long		age_interval;
 	unsigned int		addrmax;
 	bool			no_share;
+	enum ifla_vxlan_df	df;
 };
 
 struct vxlan_dev_node {
@@ -420,11 +421,17 @@ struct switchdev_notifier_vxlan_fdb_info {
 	u8 eth_addr[ETH_ALEN];
 	__be32 vni;
 	bool offloaded;
+	bool added_by_user;
 };
 
 #if IS_ENABLED(CONFIG_VXLAN)
 int vxlan_fdb_find_uc(struct net_device *dev, const u8 *mac, __be32 vni,
 		      struct switchdev_notifier_vxlan_fdb_info *fdb_info);
+int vxlan_fdb_replay(const struct net_device *dev, __be32 vni,
+		     struct notifier_block *nb,
+		     struct netlink_ext_ack *extack);
+void vxlan_fdb_clear_offload(const struct net_device *dev, __be32 vni);
+
 #else
 static inline int
 vxlan_fdb_find_uc(struct net_device *dev, const u8 *mac, __be32 vni,
@@ -432,6 +439,49 @@ vxlan_fdb_find_uc(struct net_device *dev, const u8 *mac, __be32 vni,
 {
 	return -ENOENT;
 }
+
+static inline int vxlan_fdb_replay(const struct net_device *dev, __be32 vni,
+				   struct notifier_block *nb,
+				   struct netlink_ext_ack *extack)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline void
+vxlan_fdb_clear_offload(const struct net_device *dev, __be32 vni)
+{
+}
 #endif
 
+static inline void vxlan_flag_attr_error(int attrtype,
+					 struct netlink_ext_ack *extack)
+{
+#define VXLAN_FLAG(flg) \
+	case IFLA_VXLAN_##flg: \
+		NL_SET_ERR_MSG_MOD(extack, \
+				   "cannot change " #flg " flag"); \
+		break
+	switch (attrtype) {
+	VXLAN_FLAG(TTL_INHERIT);
+	VXLAN_FLAG(LEARNING);
+	VXLAN_FLAG(PROXY);
+	VXLAN_FLAG(RSC);
+	VXLAN_FLAG(L2MISS);
+	VXLAN_FLAG(L3MISS);
+	VXLAN_FLAG(COLLECT_METADATA);
+	VXLAN_FLAG(UDP_ZERO_CSUM6_TX);
+	VXLAN_FLAG(UDP_ZERO_CSUM6_RX);
+	VXLAN_FLAG(REMCSUM_TX);
+	VXLAN_FLAG(REMCSUM_RX);
+	VXLAN_FLAG(GBP);
+	VXLAN_FLAG(GPE);
+	VXLAN_FLAG(REMCSUM_NOPARTIAL);
+	default:
+		NL_SET_ERR_MSG_MOD(extack, \
+				   "cannot change flag");
+		break;
+	}
+#undef VXLAN_FLAG
+}
+
 #endif
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 13acb9803a6d..d074b6d60f8a 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -36,12 +36,12 @@ struct xdp_umem {
 	u32 headroom;
 	u32 chunk_size_nohr;
 	struct user_struct *user;
-	struct pid *pid;
 	unsigned long address;
 	refcount_t users;
 	struct work_struct work;
 	struct page **pgs;
 	u32 npgs;
+	int id;
 	struct net_device *dev;
 	struct xdp_umem_fq_reuse *fq_reuse;
 	u16 queue_id;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index da588def3c61..c9b0b2b5d672 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -295,7 +295,8 @@ struct xfrm_replay {
 };
 
 struct xfrm_if_cb {
-	struct xfrm_if	*(*decode_session)(struct sk_buff *skb);
+	struct xfrm_if	*(*decode_session)(struct sk_buff *skb,
+					   unsigned short family);
 };
 
 void xfrm_if_register_cb(const struct xfrm_if_cb *ifcb);
@@ -577,6 +578,7 @@ struct xfrm_policy {
 	/* This lock only affects elements except for entry. */
 	rwlock_t		lock;
 	refcount_t		refcnt;
+	u32			pos;
 	struct timer_list	timer;
 
 	atomic_t		genid;
@@ -589,6 +591,7 @@ struct xfrm_policy {
 	struct xfrm_lifetime_cur curlft;
 	struct xfrm_policy_walk_entry walk;
 	struct xfrm_policy_queue polq;
+	bool                    bydst_reinsert;
 	u8			type;
 	u8			action;
 	u8			flags;
@@ -596,6 +599,7 @@ struct xfrm_policy {
 	u16			family;
 	struct xfrm_sec_ctx	*security;
 	struct xfrm_tmpl       	xfrm_vec[XFRM_MAX_DEPTH];
+	struct hlist_node	bydst_inexact_list;
 	struct rcu_head		rcu;
 };
 
@@ -850,7 +854,7 @@ static inline void xfrm_pols_put(struct xfrm_policy **pols, int npols)
 		xfrm_pol_put(pols[i]);
 }
 
-void __xfrm_state_destroy(struct xfrm_state *);
+void __xfrm_state_destroy(struct xfrm_state *, bool);
 
 static inline void __xfrm_state_put(struct xfrm_state *x)
 {
@@ -860,7 +864,13 @@ static inline void __xfrm_state_put(struct xfrm_state *x)
 static inline void xfrm_state_put(struct xfrm_state *x)
 {
 	if (refcount_dec_and_test(&x->refcnt))
-		__xfrm_state_destroy(x);
+		__xfrm_state_destroy(x, false);
+}
+
+static inline void xfrm_state_put_sync(struct xfrm_state *x)
+{
+	if (refcount_dec_and_test(&x->refcnt))
+		__xfrm_state_destroy(x, true);
 }
 
 static inline void xfrm_state_hold(struct xfrm_state *x)
@@ -1093,7 +1103,6 @@ struct xfrm_offload {
 };
 
 struct sec_path {
-	refcount_t		refcnt;
 	int			len;
 	int			olen;
 
@@ -1101,41 +1110,13 @@ struct sec_path {
 	struct xfrm_offload	ovec[XFRM_MAX_OFFLOAD_DEPTH];
 };
 
-static inline int secpath_exists(struct sk_buff *skb)
-{
-#ifdef CONFIG_XFRM
-	return skb->sp != NULL;
-#else
-	return 0;
-#endif
-}
-
-static inline struct sec_path *
-secpath_get(struct sec_path *sp)
-{
-	if (sp)
-		refcount_inc(&sp->refcnt);
-	return sp;
-}
-
-void __secpath_destroy(struct sec_path *sp);
-
-static inline void
-secpath_put(struct sec_path *sp)
-{
-	if (sp && refcount_dec_and_test(&sp->refcnt))
-		__secpath_destroy(sp);
-}
-
-struct sec_path *secpath_dup(struct sec_path *src);
-int secpath_set(struct sk_buff *skb);
+struct sec_path *secpath_set(struct sk_buff *skb);
 
 static inline void
 secpath_reset(struct sk_buff *skb)
 {
 #ifdef CONFIG_XFRM
-	secpath_put(skb->sp);
-	skb->sp = NULL;
+	skb_ext_del(skb, SKB_EXT_SEC_PATH);
 #endif
 }
 
@@ -1191,7 +1172,7 @@ static inline int __xfrm_policy_check2(struct sock *sk, int dir,
 	if (sk && sk->sk_policy[XFRM_POLICY_IN])
 		return __xfrm_policy_check(sk, ndir, skb, family);
 
-	return	(!net->xfrm.policy_count[dir] && !skb->sp) ||
+	return	(!net->xfrm.policy_count[dir] && !secpath_exists(skb)) ||
 		(skb_dst(skb)->flags & DST_NOPOLICY) ||
 		__xfrm_policy_check(sk, ndir, skb, family);
 }
@@ -1424,6 +1405,23 @@ static inline int xfrm_state_kern(const struct xfrm_state *x)
 	return atomic_read(&x->tunnel_users);
 }
 
+static inline bool xfrm_id_proto_valid(u8 proto)
+{
+	switch (proto) {
+	case IPPROTO_AH:
+	case IPPROTO_ESP:
+	case IPPROTO_COMP:
+#if IS_ENABLED(CONFIG_IPV6)
+	case IPPROTO_ROUTING:
+	case IPPROTO_DSTOPTS:
+#endif
+		return true;
+	default:
+		return false;
+	}
+}
+
+/* IPSEC_PROTO_ANY only matches 3 IPsec protocols, 0 could match all. */
 static inline int xfrm_id_proto_match(u8 proto, u8 userproto)
 {
 	return (!userproto || proto == userproto ||
@@ -1616,7 +1614,7 @@ struct xfrmk_spdinfo {
 
 struct xfrm_state *xfrm_find_acq_byseq(struct net *net, u32 mark, u32 seq);
 int xfrm_state_delete(struct xfrm_state *x);
-int xfrm_state_flush(struct net *net, u8 proto, bool task_valid);
+int xfrm_state_flush(struct net *net, u8 proto, bool task_valid, bool sync);
 int xfrm_dev_state_flush(struct net *net, struct net_device *dev, bool task_valid);
 void xfrm_sad_getinfo(struct net *net, struct xfrmk_sadinfo *si);
 void xfrm_spd_getinfo(struct net *net, struct xfrmk_spdinfo *si);
@@ -1903,14 +1901,16 @@ static inline void xfrm_states_delete(struct xfrm_state **states, int n)
 #ifdef CONFIG_XFRM
 static inline struct xfrm_state *xfrm_input_state(struct sk_buff *skb)
 {
-	return skb->sp->xvec[skb->sp->len - 1];
+	struct sec_path *sp = skb_sec_path(skb);
+
+	return sp->xvec[sp->len - 1];
 }
 #endif
 
 static inline struct xfrm_offload *xfrm_offload(struct sk_buff *skb)
 {
 #ifdef CONFIG_XFRM
-	struct sec_path *sp = skb->sp;
+	struct sec_path *sp = skb_sec_path(skb);
 
 	if (!sp || !sp->olen || sp->len != sp->olen)
 		return NULL;
@@ -1968,7 +1968,7 @@ static inline void xfrm_dev_state_delete(struct xfrm_state *x)
 static inline void xfrm_dev_state_free(struct xfrm_state *x)
 {
 	struct xfrm_state_offload *xso = &x->xso;
-	 struct net_device *dev = xso->dev;
+	struct net_device *dev = xso->dev;
 
 	if (dev && dev->xfrmdev_ops) {
 		if (dev->xfrmdev_ops->xdo_dev_state_free)