26 files changed, 224 insertions, 40 deletions

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index b4825d3cdb29..258ba232e302 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -56,7 +56,7 @@ extern struct idr btf_idr;
 extern spinlock_t btf_idr_lock;
 extern struct kobject *btf_kobj;
 extern struct bpf_mem_alloc bpf_global_ma, bpf_global_percpu_ma;
-extern bool bpf_global_ma_set, bpf_global_percpu_ma_set;
+extern bool bpf_global_ma_set;
 
 typedef u64 (*bpf_callback_t)(u64, u64, u64, u64, u64);
 typedef int (*bpf_iter_init_seq_priv_t)(void *private_data,
@@ -186,8 +186,8 @@ enum btf_field_type {
 	BPF_LIST_NODE  = (1 << 6),
 	BPF_RB_ROOT    = (1 << 7),
 	BPF_RB_NODE    = (1 << 8),
-	BPF_GRAPH_NODE_OR_ROOT = BPF_LIST_NODE | BPF_LIST_HEAD |
-				 BPF_RB_NODE | BPF_RB_ROOT,
+	BPF_GRAPH_NODE = BPF_RB_NODE | BPF_LIST_NODE,
+	BPF_GRAPH_ROOT = BPF_RB_ROOT | BPF_LIST_HEAD,
 	BPF_REFCOUNT   = (1 << 9),
 };
 
@@ -909,10 +909,14 @@ bpf_ctx_record_field_size(struct bpf_insn_access_aux *aux, u32 size)
 	aux->ctx_field_size = size;
 }
 
+static bool bpf_is_ldimm64(const struct bpf_insn *insn)
+{
+	return insn->code == (BPF_LD | BPF_IMM | BPF_DW);
+}
+
 static inline bool bpf_pseudo_func(const struct bpf_insn *insn)
 {
-	return insn->code == (BPF_LD | BPF_IMM | BPF_DW) &&
-	       insn->src_reg == BPF_PSEUDO_FUNC;
+	return bpf_is_ldimm64(insn) && insn->src_reg == BPF_PSEUDO_FUNC;
 }
 
 struct bpf_prog_ops {
@@ -1222,6 +1226,8 @@ enum bpf_dynptr_type {
 
 int bpf_dynptr_check_size(u32 size);
 u32 __bpf_dynptr_size(const struct bpf_dynptr_kern *ptr);
+const void *__bpf_dynptr_data(const struct bpf_dynptr_kern *ptr, u32 len);
+void *__bpf_dynptr_data_rw(const struct bpf_dynptr_kern *ptr, u32 len);
 
 #ifdef CONFIG_BPF_JIT
 int bpf_trampoline_link_prog(struct bpf_tramp_link *link, struct bpf_trampoline *tr);
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 24213a99cc79..d99a636d36a7 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -301,6 +301,17 @@ struct bpf_func_state {
 	struct tnum callback_ret_range;
 	bool in_async_callback_fn;
 	bool in_exception_callback_fn;
+	/* For callback calling functions that limit number of possible
+	 * callback executions (e.g. bpf_loop) keeps track of current
+	 * simulated iteration number.
+	 * Value in frame N refers to number of times callback with frame
+	 * N+1 was simulated, e.g. for the following call:
+	 *
+	 *   bpf_loop(..., fn, ...); | suppose current frame is N
+	 *                           | fn would be simulated in frame N+1
+	 *                           | number of simulations is tracked in frame N
+	 */
+	u32 callback_depth;
 
 	/* The following fields should be last. See copy_func_state() */
 	int acquired_refs;
@@ -400,6 +411,7 @@ struct bpf_verifier_state {
 	struct bpf_idx_pair *jmp_history;
 	u32 jmp_history_cnt;
 	u32 dfs_depth;
+	u32 callback_unroll_depth;
 };
 
 #define bpf_get_spilled_reg(slot, frame, mask)				\
@@ -511,6 +523,10 @@ struct bpf_insn_aux_data {
 	 * this instruction, regardless of any heuristics
 	 */
 	bool force_checkpoint;
+	/* true if instruction is a call to a helper function that
+	 * accepts callback function as a parameter.
+	 */
+	bool calls_callback;
 };
 
 #define MAX_USED_MAPS 64 /* max number of maps accessed by one eBPF program */
@@ -602,6 +618,7 @@ struct bpf_verifier_env {
 	int stack_size;			/* number of states to be processed */
 	bool strict_alignment;		/* perform strict pointer alignment checks */
 	bool test_state_freq;		/* test verifier with different pruning frequency */
+	bool test_reg_invariants;	/* fail verification on register invariants violations */
 	struct bpf_verifier_state *cur_state; /* current verifier state */
 	struct bpf_verifier_state_list **explored_states; /* search pruning optimization */
 	struct bpf_verifier_state_list *free_list;
@@ -679,6 +696,10 @@ int bpf_vlog_init(struct bpf_verifier_log *log, u32 log_level,
 void bpf_vlog_reset(struct bpf_verifier_log *log, u64 new_pos);
 int bpf_vlog_finalize(struct bpf_verifier_log *log, u32 *log_size_actual);
 
+__printf(3, 4) void verbose_linfo(struct bpf_verifier_env *env,
+				  u32 insn_off,
+				  const char *prefix_fmt, ...);
+
 static inline struct bpf_func_state *cur_func(struct bpf_verifier_env *env)
 {
 	struct bpf_verifier_state *cur = env->cur_state;
@@ -778,4 +799,76 @@ static inline bool bpf_type_has_unsafe_modifiers(u32 type)
 	return type_flag(type) & ~BPF_REG_TRUSTED_MODIFIERS;
 }
 
+static inline bool type_is_ptr_alloc_obj(u32 type)
+{
+	return base_type(type) == PTR_TO_BTF_ID && type_flag(type) & MEM_ALLOC;
+}
+
+static inline bool type_is_non_owning_ref(u32 type)
+{
+	return type_is_ptr_alloc_obj(type) && type_flag(type) & NON_OWN_REF;
+}
+
+static inline bool type_is_pkt_pointer(enum bpf_reg_type type)
+{
+	type = base_type(type);
+	return type == PTR_TO_PACKET ||
+	       type == PTR_TO_PACKET_META;
+}
+
+static inline bool type_is_sk_pointer(enum bpf_reg_type type)
+{
+	return type == PTR_TO_SOCKET ||
+		type == PTR_TO_SOCK_COMMON ||
+		type == PTR_TO_TCP_SOCK ||
+		type == PTR_TO_XDP_SOCK;
+}
+
+static inline void mark_reg_scratched(struct bpf_verifier_env *env, u32 regno)
+{
+	env->scratched_regs |= 1U << regno;
+}
+
+static inline void mark_stack_slot_scratched(struct bpf_verifier_env *env, u32 spi)
+{
+	env->scratched_stack_slots |= 1ULL << spi;
+}
+
+static inline bool reg_scratched(const struct bpf_verifier_env *env, u32 regno)
+{
+	return (env->scratched_regs >> regno) & 1;
+}
+
+static inline bool stack_slot_scratched(const struct bpf_verifier_env *env, u64 regno)
+{
+	return (env->scratched_stack_slots >> regno) & 1;
+}
+
+static inline bool verifier_state_scratched(const struct bpf_verifier_env *env)
+{
+	return env->scratched_regs || env->scratched_stack_slots;
+}
+
+static inline void mark_verifier_state_clean(struct bpf_verifier_env *env)
+{
+	env->scratched_regs = 0U;
+	env->scratched_stack_slots = 0ULL;
+}
+
+/* Used for printing the entire verifier state. */
+static inline void mark_verifier_state_scratched(struct bpf_verifier_env *env)
+{
+	env->scratched_regs = ~0U;
+	env->scratched_stack_slots = ~0ULL;
+}
+
+const char *reg_type_str(struct bpf_verifier_env *env, enum bpf_reg_type type);
+const char *dynptr_type_str(enum bpf_dynptr_type type);
+const char *iter_type_str(const struct btf *btf, u32 btf_id);
+const char *iter_state_str(enum bpf_iter_state state);
+
+void print_verifier_state(struct bpf_verifier_env *env,
+			  const struct bpf_func_state *state, bool print_all);
+void print_insn_state(struct bpf_verifier_env *env, const struct bpf_func_state *state);
+
 #endif /* _LINUX_BPF_VERIFIER_H */
diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h
index 4a6b6b77ccb6..4caab0c6b361 100644
--- a/include/linux/cgroup-defs.h
+++ b/include/linux/cgroup-defs.h
@@ -563,6 +563,7 @@ struct cgroup_root {
 
 	/* A list running through the active hierarchies */
 	struct list_head root_list;
+	struct rcu_head rcu;
 
 	/* Hierarchy-specific flags */
 	unsigned int flags;
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index 0ef0af66080e..34aaf0e87def 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -69,6 +69,7 @@ struct css_task_iter {
 extern struct file_system_type cgroup_fs_type;
 extern struct cgroup_root cgrp_dfl_root;
 extern struct css_set init_css_set;
+extern spinlock_t css_set_lock;
 
 #define SUBSYS(_x) extern struct cgroup_subsys _x ## _cgrp_subsys;
 #include <linux/cgroup_subsys.h>
@@ -386,7 +387,6 @@ static inline void cgroup_unlock(void)
  * as locks used during the cgroup_subsys::attach() methods.
  */
 #ifdef CONFIG_PROVE_RCU
-extern spinlock_t css_set_lock;
 #define task_css_set_check(task, __c)					\
 	rcu_dereference_check((task)->cgroups,				\
 		rcu_read_lock_sched_held() ||				\
@@ -853,4 +853,6 @@ static inline void cgroup_bpf_put(struct cgroup *cgrp) {}
 
 #endif /* CONFIG_CGROUP_BPF */
 
+struct cgroup *task_get_cgroup1(struct task_struct *tsk, int hierarchy_id);
+
 #endif /* _LINUX_CGROUP_H */
diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h
index 2ceba3fe4ec1..aebb65bf95a7 100644
--- a/include/linux/compiler-gcc.h
+++ b/include/linux/compiler-gcc.h
@@ -136,7 +136,7 @@
 #endif
 
 #define __diag_ignore_all(option, comment) \
-	__diag_GCC(8, ignore, option)
+	__diag(__diag_GCC_ignore option)
 
 /*
  * Prior to 9.1, -Wno-alloc-size-larger-than (and therefore the "alloc_size"
diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h
index d305db70674b..efc0c0b07efb 100644
--- a/include/linux/cpuhotplug.h
+++ b/include/linux/cpuhotplug.h
@@ -195,6 +195,7 @@ enum cpuhp_state {
 	CPUHP_AP_ARM_CORESIGHT_CTI_STARTING,
 	CPUHP_AP_ARM64_ISNDEP_STARTING,
 	CPUHP_AP_SMPCFD_DYING,
+	CPUHP_AP_HRTIMERS_DYING,
 	CPUHP_AP_X86_TBOOT_DYING,
 	CPUHP_AP_ARM_CACHE_B15_RAC_DYING,
 	CPUHP_AP_ONLINE,
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index 689028257fcc..c2bb74143eda 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -1044,6 +1044,14 @@ static inline int ethtool_mm_frag_size_min_to_add(u32 val_min, u32 *val_add,
 }
 
 /**
+ * ethtool_get_ts_info_by_layer - Obtains time stamping capabilities from the MAC or PHY layer.
+ * @dev: pointer to net_device structure
+ * @info: buffer to hold the result
+ * Returns zero on success, non-zero otherwise.
+ */
+int ethtool_get_ts_info_by_layer(struct net_device *dev, struct ethtool_ts_info *info);
+
+/**
  * ethtool_sprintf - Write formatted string to ethtool string data
  * @data: Pointer to a pointer to the start of string to update
  * @fmt: Format of string to write
diff --git a/include/linux/export-internal.h b/include/linux/export-internal.h
index 45fca09b2319..69501e0ec239 100644
--- a/include/linux/export-internal.h
+++ b/include/linux/export-internal.h
@@ -50,9 +50,7 @@
 	    "	.previous"						"\n"	\
 	)
 
-#ifdef CONFIG_IA64
-#define KSYM_FUNC(name)		@fptr(name)
-#elif defined(CONFIG_PARISC) && defined(CONFIG_64BIT)
+#if defined(CONFIG_PARISC) && defined(CONFIG_64BIT)
 #define KSYM_FUNC(name)		P%name
 #else
 #define KSYM_FUNC(name)		name
diff --git a/include/linux/firmware.h b/include/linux/firmware.h
index de7fea3bca51..0311858b46ce 100644
--- a/include/linux/firmware.h
+++ b/include/linux/firmware.h
@@ -27,6 +27,7 @@ struct firmware {
  * @FW_UPLOAD_ERR_INVALID_SIZE: invalid firmware image size
  * @FW_UPLOAD_ERR_RW_ERROR: read or write to HW failed, see kernel log
  * @FW_UPLOAD_ERR_WEAROUT: FLASH device is approaching wear-out, wait & retry
+ * @FW_UPLOAD_ERR_FW_INVALID: invalid firmware file
  * @FW_UPLOAD_ERR_MAX: Maximum error code marker
  */
 enum fw_upload_err {
@@ -38,6 +39,7 @@ enum fw_upload_err {
 	FW_UPLOAD_ERR_INVALID_SIZE,
 	FW_UPLOAD_ERR_RW_ERROR,
 	FW_UPLOAD_ERR_WEAROUT,
+	FW_UPLOAD_ERR_FW_INVALID,
 	FW_UPLOAD_ERR_MAX
 };
 
diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
index 0ee140176f10..f2044d5a652b 100644
--- a/include/linux/hrtimer.h
+++ b/include/linux/hrtimer.h
@@ -531,9 +531,9 @@ extern void sysrq_timer_list_show(void);
 
 int hrtimers_prepare_cpu(unsigned int cpu);
 #ifdef CONFIG_HOTPLUG_CPU
-int hrtimers_dead_cpu(unsigned int cpu);
+int hrtimers_cpu_dying(unsigned int cpu);
 #else
-#define hrtimers_dead_cpu	NULL
+#define hrtimers_cpu_dying	NULL
 #endif
 
 #endif
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 958771bac9c0..5e5ea216f341 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -172,11 +172,11 @@
 #define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)
 
 
-/* PV1 Layout 11ah 9.8.3.1 */
+/* PV1 Layout IEEE 802.11-2020 9.8.3.1 */
 #define IEEE80211_PV1_FCTL_VERS		0x0003
 #define IEEE80211_PV1_FCTL_FTYPE	0x001c
 #define IEEE80211_PV1_FCTL_STYPE	0x00e0
-#define IEEE80211_PV1_FCTL_TODS		0x0100
+#define IEEE80211_PV1_FCTL_FROMDS		0x0100
 #define IEEE80211_PV1_FCTL_MOREFRAGS	0x0200
 #define IEEE80211_PV1_FCTL_PM		0x0400
 #define IEEE80211_PV1_FCTL_MOREDATA	0x0800
diff --git a/include/linux/indirect_call_wrapper.h b/include/linux/indirect_call_wrapper.h
index c1c76a70a6ce..adb83a42a6b9 100644
--- a/include/linux/indirect_call_wrapper.h
+++ b/include/linux/indirect_call_wrapper.h
@@ -11,7 +11,7 @@
  *  @__VA_ARGS__: arguments for @f
  *
  * Avoid retpoline overhead for known builtin, checking @f vs each of them and
- * eventually invoking directly the builtin function. The functions are check
+ * eventually invoking directly the builtin function. The functions are checked
  * in the given order. Fallback to the indirect call.
  */
 #define INDIRECT_CALL_1(f, f1, ...)					\
diff --git a/include/linux/linkmode.h b/include/linux/linkmode.h
index 7303b4bc2ce0..287f590ed56b 100644
--- a/include/linux/linkmode.h
+++ b/include/linux/linkmode.h
@@ -10,6 +10,11 @@ static inline void linkmode_zero(unsigned long *dst)
 	bitmap_zero(dst, __ETHTOOL_LINK_MODE_MASK_NBITS);
 }
 
+static inline void linkmode_fill(unsigned long *dst)
+{
+	bitmap_fill(dst, __ETHTOOL_LINK_MODE_MASK_NBITS);
+}
+
 static inline void linkmode_copy(unsigned long *dst, const unsigned long *src)
 {
 	bitmap_copy(dst, src, __ETHTOOL_LINK_MODE_MASK_NBITS);
diff --git a/include/linux/list.h b/include/linux/list.h
index 1837caedf723..059aa1fff41e 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -1119,6 +1119,26 @@ static inline void hlist_move_list(struct hlist_head *old,
 	old->first = NULL;
 }
 
+/**
+ * hlist_splice_init() - move all entries from one list to another
+ * @from: hlist_head from which entries will be moved
+ * @last: last entry on the @from list
+ * @to:   hlist_head to which entries will be moved
+ *
+ * @to can be empty, @from must contain at least @last.
+ */
+static inline void hlist_splice_init(struct hlist_head *from,
+				     struct hlist_node *last,
+				     struct hlist_head *to)
+{
+	if (to->first)
+		to->first->pprev = &last->next;
+	last->next = to->first;
+	to->first = from->first;
+	from->first->pprev = &to->first;
+	from->first = NULL;
+}
+
 #define hlist_entry(ptr, type, member) container_of(ptr,type,member)
 
 #define hlist_for_each(pos, head) \
diff --git a/include/linux/mdio.h b/include/linux/mdio.h
index 8fa23bdcedbf..007fd9c3e4b6 100644
--- a/include/linux/mdio.h
+++ b/include/linux/mdio.h
@@ -420,7 +420,7 @@ static inline u32 linkmode_adv_to_mii_t1_adv_m_t(unsigned long *advertising)
  * A function that translates value of following registers to the linkmode:
  * IEEE 802.3-2018 45.2.3.10 "EEE control and capability 1" register (3.20)
  * IEEE 802.3-2018 45.2.7.13 "EEE advertisement 1" register (7.60)
- * IEEE 802.3-2018 45.2.7.14 "EEE "link partner ability 1 register (7.61)
+ * IEEE 802.3-2018 45.2.7.14 "EEE link partner ability 1" register (7.61)
  */
 static inline void mii_eee_cap1_mod_linkmode_t(unsigned long *adv, u32 val)
 {
diff --git a/include/linux/mii_timestamper.h b/include/linux/mii_timestamper.h
index fa940bbaf8ae..26b04f73f214 100644
--- a/include/linux/mii_timestamper.h
+++ b/include/linux/mii_timestamper.h
@@ -9,6 +9,7 @@
 #include <linux/device.h>
 #include <linux/ethtool.h>
 #include <linux/skbuff.h>
+#include <linux/net_tstamp.h>
 
 struct phy_device;
 
@@ -51,7 +52,8 @@ struct mii_timestamper {
 			 struct sk_buff *skb, int type);
 
 	int  (*hwtstamp)(struct mii_timestamper *mii_ts,
-			 struct ifreq *ifreq);
+			 struct kernel_hwtstamp_config *kernel_config,
+			 struct netlink_ext_ack *extack);
 
 	void (*link_state)(struct mii_timestamper *mii_ts,
 			   struct phy_device *phydev);
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 6f3631425f38..ce2e71cd6d2a 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -10103,7 +10103,10 @@ enum {
 struct mlx5_ifc_mtutc_reg_bits {
 	u8         reserved_at_0[0x5];
 	u8         freq_adj_units[0x3];
-	u8         reserved_at_8[0x14];
+	u8         reserved_at_8[0x3];
+	u8         log_max_freq_adjustment[0x5];
+
+	u8         reserved_at_10[0xc];
 	u8         operation[0x4];
 
 	u8         freq_adjustment[0x20];
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index a16c9cc063fe..998c7aaa98b8 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1797,6 +1797,13 @@ enum netdev_ml_priv_type {
 	ML_PRIV_CAN,
 };
 
+enum netdev_stat_type {
+	NETDEV_PCPU_STAT_NONE,
+	NETDEV_PCPU_STAT_LSTATS, /* struct pcpu_lstats */
+	NETDEV_PCPU_STAT_TSTATS, /* struct pcpu_sw_netstats */
+	NETDEV_PCPU_STAT_DSTATS, /* struct pcpu_dstats */
+};
+
 /**
  *	struct net_device - The DEVICE structure.
  *
@@ -1991,10 +1998,14 @@ enum netdev_ml_priv_type {
  *
  * 	@ml_priv:	Mid-layer private
  *	@ml_priv_type:  Mid-layer private type
- * 	@lstats:	Loopback statistics
- * 	@tstats:	Tunnel statistics
- * 	@dstats:	Dummy statistics
- * 	@vstats:	Virtual ethernet statistics
+ *
+ *	@pcpu_stat_type:	Type of device statistics which the core should
+ *				allocate/free: none, lstats, tstats, dstats. none
+ *				means the driver is handling statistics allocation/
+ *				freeing internally.
+ *	@lstats:		Loopback statistics: packets, bytes
+ *	@tstats:		Tunnel statistics: RX/TX packets, RX/TX bytes
+ *	@dstats:		Dummy statistics: RX/TX/drop packets, RX/TX bytes
  *
  *	@garp_port:	GARP
  *	@mrp_port:	MRP
@@ -2354,6 +2365,7 @@ struct net_device {
 	void				*ml_priv;
 	enum netdev_ml_priv_type	ml_priv_type;
 
+	enum netdev_stat_type		pcpu_stat_type:8;
 	union {
 		struct pcpu_lstats __percpu		*lstats;
 		struct pcpu_sw_netstats __percpu	*tstats;
@@ -2435,6 +2447,10 @@ struct net_device {
 #if IS_ENABLED(CONFIG_DPLL)
 	struct dpll_pin		*dpll_pin;
 #endif
+#if IS_ENABLED(CONFIG_PAGE_POOL)
+	/** @page_pools: page pools created for this netdevice */
+	struct hlist_head	page_pools;
+#endif
 };
 #define to_net_dev(d) container_of(d, struct net_device, dev)
 
@@ -2755,6 +2771,16 @@ struct pcpu_sw_netstats {
 	struct u64_stats_sync   syncp;
 } __aligned(4 * sizeof(u64));
 
+struct pcpu_dstats {
+	u64			rx_packets;
+	u64			rx_bytes;
+	u64			rx_drops;
+	u64			tx_packets;
+	u64			tx_bytes;
+	u64			tx_drops;
+	struct u64_stats_sync	syncp;
+} __aligned(8 * sizeof(u64));
+
 struct pcpu_lstats {
 	u64_stats_t packets;
 	u64_stats_t bytes;
@@ -3942,6 +3968,9 @@ int generic_hwtstamp_get_lower(struct net_device *dev,
 int generic_hwtstamp_set_lower(struct net_device *dev,
 			       struct kernel_hwtstamp_config *kernel_cfg,
 			       struct netlink_ext_ack *extack);
+int dev_set_hwtstamp_phylib(struct net_device *dev,
+			    struct kernel_hwtstamp_config *cfg,
+			    struct netlink_ext_ack *extack);
 int dev_ethtool(struct net *net, struct ifreq *ifr, void __user *userdata);
 unsigned int dev_get_flags(const struct net_device *);
 int __dev_change_flags(struct net_device *dev, unsigned int flags,
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 7834c0be2831..61aa48f46dd7 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -51,7 +51,7 @@ struct nf_ipv6_ops {
 	u32 (*cookie_init_sequence)(const struct ipv6hdr *iph,
 				    const struct tcphdr *th, u16 *mssp);
 	int (*cookie_v6_check)(const struct ipv6hdr *iph,
-			       const struct tcphdr *th, __u32 cookie);
+			       const struct tcphdr *th);
 #endif
 	void (*route_input)(struct sk_buff *skb);
 	int (*fragment)(struct net *net, struct sock *sk, struct sk_buff *skb,
@@ -179,16 +179,16 @@ static inline u32 nf_ipv6_cookie_init_sequence(const struct ipv6hdr *iph,
 }
 
 static inline int nf_cookie_v6_check(const struct ipv6hdr *iph,
-				     const struct tcphdr *th, __u32 cookie)
+				     const struct tcphdr *th)
 {
 #if IS_ENABLED(CONFIG_SYN_COOKIES)
 #if IS_MODULE(CONFIG_IPV6)
 	const struct nf_ipv6_ops *v6_ops = nf_get_ipv6_ops();
 
 	if (v6_ops)
-		return v6_ops->cookie_v6_check(iph, th, cookie);
+		return v6_ops->cookie_v6_check(iph, th);
 #elif IS_BUILTIN(CONFIG_IPV6)
-	return __cookie_v6_check(iph, th, cookie);
+	return __cookie_v6_check(iph, th);
 #endif
 #endif
 	return 0;
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 75d7de34c908..abe91ed6b9aa 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -351,5 +351,6 @@ bool netlink_ns_capable(const struct sk_buff *skb,
 			struct user_namespace *ns, int cap);
 bool netlink_capable(const struct sk_buff *skb, int cap);
 bool netlink_net_capable(const struct sk_buff *skb, int cap);
+struct sk_buff *netlink_alloc_large_skb(unsigned int size, int broadcast);
 
 #endif	/* __LINUX_NETLINK_H */
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index afb028c54f33..5547ba68e6e4 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -843,11 +843,11 @@ struct perf_event {
 };
 
 /*
- *           ,-----------------------[1:n]----------------------.
- *           V                                                  V
- * perf_event_context <-[1:n]-> perf_event_pmu_context <--- perf_event
- *           ^                      ^     |                     |
- *           `--------[1:n]---------'     `-[n:1]-> pmu <-[1:n]-'
+ *           ,-----------------------[1:n]------------------------.
+ *           V                                                    V
+ * perf_event_context <-[1:n]-> perf_event_pmu_context <-[1:n]- perf_event
+ *                                        |                       |
+ *                                        `--[n:1]-> pmu <-[1:n]--'
  *
  *
  * struct perf_event_pmu_context  lifetime is refcount based and RCU freed
@@ -865,6 +865,9 @@ struct perf_event {
  * ctx->mutex pinning the configuration. Since we hold a reference on
  * group_leader (through the filedesc) it can't go away, therefore it's
  * associated pmu_ctx must exist and cannot change due to ctx->mutex.
+ *
+ * perf_event holds a refcount on perf_event_context
+ * perf_event holds a refcount on perf_event_pmu_context
  */
 struct perf_event_pmu_context {
 	struct pmu			*pmu;
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 3cc52826f18e..6e7ebcc50b85 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -605,6 +605,8 @@ struct macsec_ops;
  * @irq_rerun: Flag indicating interrupts occurred while PHY was suspended,
  *             requiring a rerun of the interrupt handler after resume
  * @interface: enum phy_interface_t value
+ * @possible_interfaces: bitmap if interface modes that the attached PHY
+ *			 will switch between depending on media speed.
  * @skb: Netlink message for cable diagnostics
  * @nest: Netlink nest used for cable diagnostics
  * @ehdr: nNtlink header for cable diagnostics
@@ -674,6 +676,7 @@ struct phy_device {
 	u32 dev_flags;
 
 	phy_interface_t interface;
+	DECLARE_PHY_INTERFACE_MASK(possible_interfaces);
 
 	/*
 	 * forced speed & duplex (no autoneg)
@@ -1560,9 +1563,11 @@ static inline bool phy_has_txtstamp(struct phy_device *phydev)
 	return phydev && phydev->mii_ts && phydev->mii_ts->txtstamp;
 }
 
-static inline int phy_hwtstamp(struct phy_device *phydev, struct ifreq *ifr)
+static inline int phy_hwtstamp(struct phy_device *phydev,
+			       struct kernel_hwtstamp_config *cfg,
+			       struct netlink_ext_ack *extack)
 {
-	return phydev->mii_ts->hwtstamp(phydev->mii_ts, ifr);
+	return phydev->mii_ts->hwtstamp(phydev->mii_ts, cfg, extack);
 }
 
 static inline bool phy_rxtstamp(struct phy_device *phydev, struct sk_buff *skb,
diff --git a/include/linux/poison.h b/include/linux/poison.h
index 851a855d3868..27a7dad17eef 100644
--- a/include/linux/poison.h
+++ b/include/linux/poison.h
@@ -83,6 +83,8 @@
 
 /********** net/core/skbuff.c **********/
 #define SKB_LIST_POISON_NEXT	((void *)(0x800 + POISON_POINTER_DELTA))
+/********** net/ **********/
+#define NET_PTR_POISON		((void *)(0x801 + POISON_POINTER_DELTA))
 
 /********** kernel/bpf/ **********/
 #define BPF_PTR_POISON ((void *)(0xeB9FUL + POISON_POINTER_DELTA))
diff --git a/include/linux/stackleak.h b/include/linux/stackleak.h
index c36e7a3b45e7..3be2cb564710 100644
--- a/include/linux/stackleak.h
+++ b/include/linux/stackleak.h
@@ -14,6 +14,7 @@
 
 #ifdef CONFIG_GCC_PLUGIN_STACKLEAK
 #include <asm/stacktrace.h>
+#include <linux/linkage.h>
 
 /*
  * The lowest address on tsk's stack which we can plausibly erase.
@@ -76,6 +77,11 @@ static inline void stackleak_task_init(struct task_struct *t)
 # endif
 }
 
+asmlinkage void noinstr stackleak_erase(void);
+asmlinkage void noinstr stackleak_erase_on_task_stack(void);
+asmlinkage void noinstr stackleak_erase_off_task_stack(void);
+void __no_caller_saved_registers noinstr stackleak_track_stack(void);
+
 #else /* !CONFIG_GCC_PLUGIN_STACKLEAK */
 static inline void stackleak_task_init(struct task_struct *t) { }
 #endif
diff --git a/include/linux/tnum.h b/include/linux/tnum.h
index 1c3948a1d6ad..3c13240077b8 100644
--- a/include/linux/tnum.h
+++ b/include/linux/tnum.h
@@ -106,6 +106,10 @@ int tnum_sbin(char *str, size_t size, struct tnum a);
 struct tnum tnum_subreg(struct tnum a);
 /* Returns the tnum with the lower 32-bit subreg cleared */
 struct tnum tnum_clear_subreg(struct tnum a);
+/* Returns the tnum with the lower 32-bit subreg in *reg* set to the lower
+ * 32-bit subreg in *subreg*
+ */
+struct tnum tnum_with_subreg(struct tnum reg, struct tnum subreg);
 /* Returns the tnum with the lower 32-bit subreg set to value */
 struct tnum tnum_const_subreg(struct tnum a, u32 value);
 /* Returns true if 32-bit subreg @a is a known constant*/
diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h
index d0f2797420f7..a09e13a577a9 100644
--- a/include/linux/virtio_pci_modern.h
+++ b/include/linux/virtio_pci_modern.h
@@ -5,13 +5,6 @@
 #include <linux/pci.h>
 #include <linux/virtio_pci.h>
 
-struct virtio_pci_modern_common_cfg {
-	struct virtio_pci_common_cfg cfg;
-
-	__le16 queue_notify_data;	/* read-write */
-	__le16 queue_reset;		/* read-write */
-};
-
 /**
  * struct virtio_pci_modern_device - info for modern PCI virtio
  * @pci_dev:	    Ptr to the PCI device struct