Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from David Miller:

 1) Support IPV6 RA Captive Portal Identifier, from Maciej Żenczykowski.

 2) Use bio_vec in the networking instead of custom skb_frag_t, from
    Matthew Wilcox.

 3) Make use of xmit_more in r8169 driver, from Heiner Kallweit.

 4) Add devmap_hash to xdp, from Toke Høiland-Jørgensen.

 5) Support all variants of 5750X bnxt_en chips, from Michael Chan.

 6) More RTNL avoidance work in the core and mlx5 driver, from Vlad
    Buslov.

 7) Add TCP syn cookies bpf helper, from Petar Penkov.

 8) Add 'nettest' to selftests and use it, from David Ahern.

 9) Add extack support to drop_monitor, add packet alert mode and
    support for HW drops, from Ido Schimmel.

10) Add VLAN offload to stmmac, from Jose Abreu.

11) Lots of devm_platform_ioremap_resource() conversions, from
    YueHaibing.

12) Add IONIC driver, from Shannon Nelson.

13) Several kTLS cleanups, from Jakub Kicinski.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1930 commits)
  mlxsw: spectrum_buffers: Add the ability to query the CPU port's shared buffer
  mlxsw: spectrum: Register CPU port with devlink
  mlxsw: spectrum_buffers: Prevent changing CPU port's configuration
  net: ena: fix incorrect update of intr_delay_resolution
  net: ena: fix retrieval of nonadaptive interrupt moderation intervals
  net: ena: fix update of interrupt moderation register
  net: ena: remove all old adaptive rx interrupt moderation code from ena_com
  net: ena: remove ena_restore_ethtool_params() and relevant fields
  net: ena: remove old adaptive interrupt moderation code from ena_netdev
  net: ena: remove code duplication in ena_com_update_nonadaptive_moderation_interval _*()
  net: ena: enable the interrupt_moderation in driver_supported_features
  net: ena: reimplement set/get_coalesce()
  net: ena: switch to dim algorithm for rx adaptive interrupt moderation
  net: ena: add intr_moder_rx_interval to struct ena_com_dev and use it
  net: phy: adin: implement Energy Detect Powerdown mode via phy-tunable
  ethtool: implement Energy Detect Powerdown support via phy-tunable
  xen-netfront: do not assume sk_buff_head list is empty in error handling
  s390/ctcm: Delete unnecessary checks before the macro call “dev_kfree_skb”
  net: ena: don't wake up tx queue when down
  drop_monitor: Better sanitize notified packets
  ...

1 files changed, 60 insertions, 90 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
index 0f8aeb111b0e..a31408188ed0 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h
@@ -159,13 +159,6 @@ static inline u32 iwl_rx_packet_payload_len(const struct iwl_rx_packet *pkt)
  * @CMD_ASYNC: Return right away and don't wait for the response
  * @CMD_WANT_SKB: Not valid with CMD_ASYNC. The caller needs the buffer of
  *	the response. The caller needs to call iwl_free_resp when done.
- * @CMD_HIGH_PRIO: The command is high priority - it goes to the front of the
- *	command queue, but after other high priority commands. Valid only
- *	with CMD_ASYNC.
- * @CMD_SEND_IN_IDLE: The command should be sent even when the trans is idle.
- * @CMD_MAKE_TRANS_IDLE: The command response should mark the trans as idle.
- * @CMD_WAKE_UP_TRANS: The command response should wake up the trans
- *	(i.e. mark it as non-idle).
  * @CMD_WANT_ASYNC_CALLBACK: the op_mode's async callback function must be
  *	called after this command completes. Valid only with CMD_ASYNC.
  */
@@ -173,11 +166,7 @@ enum CMD_MODE {
 	CMD_ASYNC		= BIT(0),
 	CMD_WANT_SKB		= BIT(1),
 	CMD_SEND_IN_RFKILL	= BIT(2),
-	CMD_HIGH_PRIO		= BIT(3),
-	CMD_SEND_IN_IDLE	= BIT(4),
-	CMD_MAKE_TRANS_IDLE	= BIT(5),
-	CMD_WAKE_UP_TRANS	= BIT(6),
-	CMD_WANT_ASYNC_CALLBACK	= BIT(7),
+	CMD_WANT_ASYNC_CALLBACK	= BIT(3),
 };
 
 #define DEF_CMD_PAYLOAD_SIZE 320
@@ -463,9 +452,8 @@ struct iwl_trans_rxq_dma_data {
  *
  * All the handlers MUST be implemented
  *
- * @start_hw: starts the HW. If low_power is true, the NIC needs to be taken
- *	out of a low power state. From that point on, the HW can send
- *	interrupts. May sleep.
+ * @start_hw: starts the HW. From that point on, the HW can send interrupts.
+ *	May sleep.
  * @op_mode_leave: Turn off the HW RF kill indication if on
  *	May sleep
  * @start_fw: allocates and inits all the resources for the transport
@@ -475,9 +463,8 @@ struct iwl_trans_rxq_dma_data {
  *	the SCD base address in SRAM, then provide it here, or 0 otherwise.
  *	May sleep
  * @stop_device: stops the whole device (embedded CPU put to reset) and stops
- *	the HW. If low_power is true, the NIC will be put in low power state.
- *	From that point on, the HW will be stopped but will still issue an
- *	interrupt if the HW RF kill switch is triggered.
+ *	the HW. From that point on, the HW will be stopped but will still issue
+ *	an interrupt if the HW RF kill switch is triggered.
  *	This callback must do the right thing and not crash even if %start_hw()
  *	was called but not &start_fw(). May sleep.
  * @d3_suspend: put the device into the correct mode for WoWLAN during
@@ -535,11 +522,6 @@ struct iwl_trans_rxq_dma_data {
  * @release_nic_access: let the NIC go to sleep. The "flags" parameter
  *	must be the same one that was sent before to the grab_nic_access.
  * @set_bits_mask - set SRAM register according to value and mask.
- * @ref: grab a reference to the transport/FW layers, disallowing
- *	certain low power states
- * @unref: release a reference previously taken with @ref. Note that
- *	initially the reference count is 1, making an initial @unref
- *	necessary to allow low power states.
  * @dump_data: return a vmalloc'ed buffer with debug data, maybe containing last
  *	TX'ed commands and similar. The buffer will be vfree'd by the caller.
  *	Note that the transport must fill in the proper file headers.
@@ -548,14 +530,14 @@ struct iwl_trans_rxq_dma_data {
  */
 struct iwl_trans_ops {
 
-	int (*start_hw)(struct iwl_trans *iwl_trans, bool low_power);
+	int (*start_hw)(struct iwl_trans *iwl_trans);
 	void (*op_mode_leave)(struct iwl_trans *iwl_trans);
 	int (*start_fw)(struct iwl_trans *trans, const struct fw_img *fw,
 			bool run_in_rfkill);
 	void (*fw_alive)(struct iwl_trans *trans, u32 scd_addr);
-	void (*stop_device)(struct iwl_trans *trans, bool low_power);
+	void (*stop_device)(struct iwl_trans *trans);
 
-	void (*d3_suspend)(struct iwl_trans *trans, bool test, bool reset);
+	int (*d3_suspend)(struct iwl_trans *trans, bool test, bool reset);
 	int (*d3_resume)(struct iwl_trans *trans, enum iwl_d3_status *status,
 			 bool test, bool reset);
 
@@ -566,6 +548,8 @@ struct iwl_trans_ops {
 	void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
 			struct sk_buff_head *skbs);
 
+	void (*set_q_ptrs)(struct iwl_trans *trans, int queue, int ptr);
+
 	bool (*txq_enable)(struct iwl_trans *trans, int queue, u16 ssn,
 			   const struct iwl_trans_txq_scd_cfg *cfg,
 			   unsigned int queue_wdg_timeout);
@@ -607,8 +591,6 @@ struct iwl_trans_ops {
 				   unsigned long *flags);
 	void (*set_bits_mask)(struct iwl_trans *trans, u32 reg, u32 mask,
 			      u32 value);
-	void (*ref)(struct iwl_trans *trans);
-	void (*unref)(struct iwl_trans *trans);
 	int  (*suspend)(struct iwl_trans *trans);
 	void (*resume)(struct iwl_trans *trans);
 
@@ -632,9 +614,6 @@ enum iwl_trans_state {
 /**
  * DOC: Platform power management
  *
- * There are two types of platform power management: system-wide
- * (WoWLAN) and runtime.
- *
  * In system-wide power management the entire platform goes into a low
  * power state (e.g. idle or suspend to RAM) at the same time and the
  * device is configured as a wakeup source for the entire platform.
@@ -643,54 +622,46 @@ enum iwl_trans_state {
  * put the platform in low power mode).  The device's behavior in this
  * mode is dictated by the wake-on-WLAN configuration.
  *
- * In runtime power management, only the devices which are themselves
- * idle enter a low power state.  This is done at runtime, which means
- * that the entire system is still running normally.  This mode is
- * usually triggered automatically by the device driver and requires
- * the ability to enter and exit the low power modes in a very short
- * time, so there is not much impact in usability.
- *
  * The terms used for the device's behavior are as follows:
  *
  *	- D0: the device is fully powered and the host is awake;
  *	- D3: the device is in low power mode and only reacts to
  *		specific events (e.g. magic-packet received or scan
  *		results found);
- *	- D0I3: the device is in low power mode and reacts to any
- *		activity (e.g. RX);
  *
  * These terms reflect the power modes in the firmware and are not to
- * be confused with the physical device power state.  The NIC can be
- * in D0I3 mode even if, for instance, the PCI device is in D3 state.
+ * be confused with the physical device power state.
  */
 
 /**
  * enum iwl_plat_pm_mode - platform power management mode
  *
  * This enumeration describes the device's platform power management
- * behavior when in idle mode (i.e. runtime power management) or when
- * in system-wide suspend (i.e WoWLAN).
+ * behavior when in system-wide suspend (i.e WoWLAN).
  *
  * @IWL_PLAT_PM_MODE_DISABLED: power management is disabled for this
- *	device.  At runtime, this means that nothing happens and the
- *	device always remains in active.  In system-wide suspend mode,
- *	it means that the all connections will be closed automatically
- *	by mac80211 before the platform is suspended.
+ *	device.  In system-wide suspend mode, it means that the all
+ *	connections will be closed automatically by mac80211 before
+ *	the platform is suspended.
  * @IWL_PLAT_PM_MODE_D3: the device goes into D3 mode (i.e. WoWLAN).
- *	For runtime power management, this mode is not officially
- *	supported.
- * @IWL_PLAT_PM_MODE_D0I3: the device goes into D0I3 mode.
  */
 enum iwl_plat_pm_mode {
 	IWL_PLAT_PM_MODE_DISABLED,
 	IWL_PLAT_PM_MODE_D3,
-	IWL_PLAT_PM_MODE_D0I3,
 };
 
-/* Max time to wait for trans to become idle/non-idle on d0i3
- * enter/exit (in msecs).
+/**
+ * enum iwl_ini_cfg_state
+ * @IWL_INI_CFG_STATE_NOT_LOADED: no debug cfg was given
+ * @IWL_INI_CFG_STATE_LOADED: debug cfg was found and loaded
+ * @IWL_INI_CFG_STATE_CORRUPTED: debug cfg was found and some of the TLVs
+ *	are corrupted. The rest of the debug TLVs will still be used
  */
-#define IWL_TRANS_IDLE_TIMEOUT 2000
+enum iwl_ini_cfg_state {
+	IWL_INI_CFG_STATE_NOT_LOADED,
+	IWL_INI_CFG_STATE_LOADED,
+	IWL_INI_CFG_STATE_CORRUPTED,
+};
 
 /* Max time to wait for nmi interrupt */
 #define IWL_TRANS_NMI_TIMEOUT (HZ / 4)
@@ -733,8 +704,8 @@ struct iwl_self_init_dram {
  * @umac_error_event_table: addr of umac error table
  * @error_event_table_tlv_status: bitmap that indicates what error table
  *	pointers was recevied via TLV. uses enum &iwl_error_event_table_status
- * @external_ini_loaded: indicates if an external ini cfg was given
- * @ini_valid: indicates if debug ini mode is on
+ * @internal_ini_cfg: internal debug cfg state. Uses &enum iwl_ini_cfg_state
+ * @external_ini_cfg: external debug cfg state. Uses &enum iwl_ini_cfg_state
  * @num_blocks: number of blocks in fw_mon
  * @fw_mon: address of the buffers for firmware monitor
  * @hw_error: equals true if hw error interrupt was received from the FW
@@ -752,14 +723,11 @@ struct iwl_trans_debug {
 	u32 umac_error_event_table;
 	unsigned int error_event_table_tlv_status;
 
-	bool external_ini_loaded;
-	bool ini_valid;
-
-	struct iwl_apply_point_data apply_points[IWL_FW_INI_APPLY_NUM];
-	struct iwl_apply_point_data apply_points_ext[IWL_FW_INI_APPLY_NUM];
+	enum iwl_ini_cfg_state internal_ini_cfg;
+	enum iwl_ini_cfg_state external_ini_cfg;
 
 	int num_blocks;
-	struct iwl_dram_data fw_mon[IWL_FW_INI_APPLY_NUM];
+	struct iwl_dram_data fw_mon[IWL_FW_INI_ALLOCATION_NUM];
 
 	bool hw_error;
 	enum iwl_fw_ini_buffer_location ini_dest;
@@ -770,6 +738,7 @@ struct iwl_trans_debug {
  *
  * @ops - pointer to iwl_trans_ops
  * @op_mode - pointer to the op_mode
+ * @trans_cfg: the trans-specific configuration part
  * @cfg - pointer to the configuration
  * @drv - pointer to iwl_drv
  * @status: a bit-mask of transport status flags
@@ -797,13 +766,11 @@ struct iwl_trans_debug {
  * @system_pm_mode: the system-wide power management mode in use.
  *	This mode is set dynamically, depending on the WoWLAN values
  *	configured from the userspace at runtime.
- * @runtime_pm_mode: the runtime power management mode in use.  This
- *	mode is set during the initialization phase and is not
- *	supposed to change during runtime.
  */
 struct iwl_trans {
 	const struct iwl_trans_ops *ops;
 	struct iwl_op_mode *op_mode;
+	const struct iwl_cfg_trans_params *trans_cfg;
 	const struct iwl_cfg *cfg;
 	struct iwl_drv *drv;
 	enum iwl_trans_state state;
@@ -844,8 +811,6 @@ struct iwl_trans {
 	struct iwl_self_init_dram init_dram;
 
 	enum iwl_plat_pm_mode system_pm_mode;
-	enum iwl_plat_pm_mode runtime_pm_mode;
-	bool suspending;
 
 	/* pointer to trans specific struct */
 	/*Ensure that this pointer will always be aligned to sizeof pointer */
@@ -864,16 +829,11 @@ static inline void iwl_trans_configure(struct iwl_trans *trans,
 	WARN_ON(iwl_cmd_groups_verify_sorted(trans_cfg));
 }
 
-static inline int _iwl_trans_start_hw(struct iwl_trans *trans, bool low_power)
+static inline int iwl_trans_start_hw(struct iwl_trans *trans)
 {
 	might_sleep();
 
-	return trans->ops->start_hw(trans, low_power);
-}
-
-static inline int iwl_trans_start_hw(struct iwl_trans *trans)
-{
-	return trans->ops->start_hw(trans, true);
+	return trans->ops->start_hw(trans);
 }
 
 static inline void iwl_trans_op_mode_leave(struct iwl_trans *trans)
@@ -909,27 +869,23 @@ static inline int iwl_trans_start_fw(struct iwl_trans *trans,
 	return trans->ops->start_fw(trans, fw, run_in_rfkill);
 }
 
-static inline void _iwl_trans_stop_device(struct iwl_trans *trans,
-					  bool low_power)
+static inline void iwl_trans_stop_device(struct iwl_trans *trans)
 {
 	might_sleep();
 
-	trans->ops->stop_device(trans, low_power);
+	trans->ops->stop_device(trans);
 
 	trans->state = IWL_TRANS_NO_FW;
 }
 
-static inline void iwl_trans_stop_device(struct iwl_trans *trans)
-{
-	_iwl_trans_stop_device(trans, true);
-}
-
-static inline void iwl_trans_d3_suspend(struct iwl_trans *trans, bool test,
-					bool reset)
+static inline int iwl_trans_d3_suspend(struct iwl_trans *trans, bool test,
+				       bool reset)
 {
 	might_sleep();
-	if (trans->ops->d3_suspend)
-		trans->ops->d3_suspend(trans, test, reset);
+	if (!trans->ops->d3_suspend)
+		return 0;
+
+	return trans->ops->d3_suspend(trans, test, reset);
 }
 
 static inline int iwl_trans_d3_resume(struct iwl_trans *trans,
@@ -1004,6 +960,17 @@ static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue,
 	trans->ops->reclaim(trans, queue, ssn, skbs);
 }
 
+static inline void iwl_trans_set_q_ptrs(struct iwl_trans *trans, int queue,
+					int ptr)
+{
+	if (WARN_ON_ONCE(trans->state != IWL_TRANS_FW_ALIVE)) {
+		IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
+		return;
+	}
+
+	trans->ops->set_q_ptrs(trans, queue, ptr);
+}
+
 static inline void iwl_trans_txq_disable(struct iwl_trans *trans, int queue,
 					 bool configure_scd)
 {
@@ -1261,16 +1228,19 @@ static inline void iwl_trans_sync_nmi(struct iwl_trans *trans)
 		trans->ops->sync_nmi(trans);
 }
 
+static inline bool iwl_trans_dbg_ini_valid(struct iwl_trans *trans)
+{
+	return trans->dbg.internal_ini_cfg != IWL_INI_CFG_STATE_NOT_LOADED ||
+		trans->dbg.external_ini_cfg != IWL_INI_CFG_STATE_NOT_LOADED;
+}
+
 /*****************************************************
  * transport helper functions
  *****************************************************/
 struct iwl_trans *iwl_trans_alloc(unsigned int priv_size,
 				  struct device *dev,
-				  const struct iwl_cfg *cfg,
 				  const struct iwl_trans_ops *ops);
 void iwl_trans_free(struct iwl_trans *trans);
-void iwl_trans_ref(struct iwl_trans *trans);
-void iwl_trans_unref(struct iwl_trans *trans);
 
 /*****************************************************
 * driver (transport) register/unregister functions