Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 254 insertions, 0 deletions

diff --git a/drivers/hwmon/nct6775.h b/drivers/hwmon/nct6775.h
new file mode 100644
index 000000000..be41848c3
--- /dev/null
+++ b/drivers/hwmon/nct6775.h
@@ -0,0 +1,254 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __HWMON_NCT6775_H__
+#define __HWMON_NCT6775_H__
+
+#include <linux/types.h>
+
+enum kinds { nct6106, nct6116, nct6775, nct6776, nct6779, nct6791, nct6792,
+	     nct6793, nct6795, nct6796, nct6797, nct6798 };
+enum pwm_enable { off, manual, thermal_cruise, speed_cruise, sf3, sf4 };
+
+#define NUM_TEMP	10	/* Max number of temp attribute sets w/ limits*/
+#define NUM_TEMP_FIXED	6	/* Max number of fixed temp attribute sets */
+#define NUM_TSI_TEMP	8	/* Max number of TSI temp register pairs */
+
+#define NUM_REG_ALARM	7	/* Max number of alarm registers */
+#define NUM_REG_BEEP	5	/* Max number of beep registers */
+
+#define NUM_FAN		7
+
+struct nct6775_data {
+	int addr;	/* IO base of hw monitor block */
+	int sioreg;	/* SIO register address */
+	enum kinds kind;
+	const char *name;
+
+	const struct attribute_group *groups[7];
+	u8 num_groups;
+
+	u16 reg_temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst,
+				    * 3=temp_crit, 4=temp_lcrit
+				    */
+	u8 temp_src[NUM_TEMP];
+	u16 reg_temp_config[NUM_TEMP];
+	const char * const *temp_label;
+	u32 temp_mask;
+	u32 virt_temp_mask;
+
+	u16 REG_CONFIG;
+	u16 REG_VBAT;
+	u16 REG_DIODE;
+	u8 DIODE_MASK;
+
+	const s8 *ALARM_BITS;
+	const s8 *BEEP_BITS;
+
+	const u16 *REG_VIN;
+	const u16 *REG_IN_MINMAX[2];
+
+	const u16 *REG_TARGET;
+	const u16 *REG_FAN;
+	const u16 *REG_FAN_MODE;
+	const u16 *REG_FAN_MIN;
+	const u16 *REG_FAN_PULSES;
+	const u16 *FAN_PULSE_SHIFT;
+	const u16 *REG_FAN_TIME[3];
+
+	const u16 *REG_TOLERANCE_H;
+
+	const u8 *REG_PWM_MODE;
+	const u8 *PWM_MODE_MASK;
+
+	const u16 *REG_PWM[7];	/* [0]=pwm, [1]=pwm_start, [2]=pwm_floor,
+				 * [3]=pwm_max, [4]=pwm_step,
+				 * [5]=weight_duty_step, [6]=weight_duty_base
+				 */
+	const u16 *REG_PWM_READ;
+
+	const u16 *REG_CRITICAL_PWM_ENABLE;
+	u8 CRITICAL_PWM_ENABLE_MASK;
+	const u16 *REG_CRITICAL_PWM;
+
+	const u16 *REG_AUTO_TEMP;
+	const u16 *REG_AUTO_PWM;
+
+	const u16 *REG_CRITICAL_TEMP;
+	const u16 *REG_CRITICAL_TEMP_TOLERANCE;
+
+	const u16 *REG_TEMP_SOURCE;	/* temp register sources */
+	const u16 *REG_TEMP_SEL;
+	const u16 *REG_WEIGHT_TEMP_SEL;
+	const u16 *REG_WEIGHT_TEMP[3];	/* 0=base, 1=tolerance, 2=step */
+
+	const u16 *REG_TEMP_OFFSET;
+
+	const u16 *REG_ALARM;
+	const u16 *REG_BEEP;
+
+	const u16 *REG_TSI_TEMP;
+
+	unsigned int (*fan_from_reg)(u16 reg, unsigned int divreg);
+	unsigned int (*fan_from_reg_min)(u16 reg, unsigned int divreg);
+
+	struct mutex update_lock;
+	bool valid;		/* true if following fields are valid */
+	unsigned long last_updated;	/* In jiffies */
+
+	/* Register values */
+	u8 bank;		/* current register bank */
+	u8 in_num;		/* number of in inputs we have */
+	u8 in[15][3];		/* [0]=in, [1]=in_max, [2]=in_min */
+	unsigned int rpm[NUM_FAN];
+	u16 fan_min[NUM_FAN];
+	u8 fan_pulses[NUM_FAN];
+	u8 fan_div[NUM_FAN];
+	u8 has_pwm;
+	u8 has_fan;		/* some fan inputs can be disabled */
+	u8 has_fan_min;		/* some fans don't have min register */
+	bool has_fan_div;
+
+	u8 num_temp_alarms;	/* 2, 3, or 6 */
+	u8 num_temp_beeps;	/* 2, 3, or 6 */
+	u8 temp_fixed_num;	/* 3 or 6 */
+	u8 temp_type[NUM_TEMP_FIXED];
+	s8 temp_offset[NUM_TEMP_FIXED];
+	s16 temp[5][NUM_TEMP]; /* 0=temp, 1=temp_over, 2=temp_hyst,
+				* 3=temp_crit, 4=temp_lcrit
+				*/
+	s16 tsi_temp[NUM_TSI_TEMP];
+	u64 alarms;
+	u64 beeps;
+
+	u8 pwm_num;	/* number of pwm */
+	u8 pwm_mode[NUM_FAN];	/* 0->DC variable voltage,
+				 * 1->PWM variable duty cycle
+				 */
+	enum pwm_enable pwm_enable[NUM_FAN];
+			/* 0->off
+			 * 1->manual
+			 * 2->thermal cruise mode (also called SmartFan I)
+			 * 3->fan speed cruise mode
+			 * 4->SmartFan III
+			 * 5->enhanced variable thermal cruise (SmartFan IV)
+			 */
+	u8 pwm[7][NUM_FAN];	/* [0]=pwm, [1]=pwm_start, [2]=pwm_floor,
+				 * [3]=pwm_max, [4]=pwm_step,
+				 * [5]=weight_duty_step, [6]=weight_duty_base
+				 */
+
+	u8 target_temp[NUM_FAN];
+	u8 target_temp_mask;
+	u32 target_speed[NUM_FAN];
+	u32 target_speed_tolerance[NUM_FAN];
+	u8 speed_tolerance_limit;
+
+	u8 temp_tolerance[2][NUM_FAN];
+	u8 tolerance_mask;
+
+	u8 fan_time[3][NUM_FAN]; /* 0 = stop_time, 1 = step_up, 2 = step_down */
+
+	/* Automatic fan speed control registers */
+	int auto_pwm_num;
+	u8 auto_pwm[NUM_FAN][7];
+	u8 auto_temp[NUM_FAN][7];
+	u8 pwm_temp_sel[NUM_FAN];
+	u8 pwm_weight_temp_sel[NUM_FAN];
+	u8 weight_temp[3][NUM_FAN];	/* 0->temp_step, 1->temp_step_tol,
+					 * 2->temp_base
+					 */
+
+	u8 vid;
+	u8 vrm;
+
+	bool have_vid;
+
+	u16 have_temp;
+	u16 have_temp_fixed;
+	u16 have_tsi_temp;
+	u16 have_in;
+
+	/* Remember extra register values over suspend/resume */
+	u8 vbat;
+	u8 fandiv1;
+	u8 fandiv2;
+	u8 sio_reg_enable;
+
+	struct regmap *regmap;
+	bool read_only;
+
+	/* driver-specific (platform, i2c) initialization hook and data */
+	int (*driver_init)(struct nct6775_data *data);
+	void *driver_data;
+};
+
+static inline int nct6775_read_value(struct nct6775_data *data, u16 reg, u16 *value)
+{
+	unsigned int tmp;
+	int ret = regmap_read(data->regmap, reg, &tmp);
+
+	if (!ret)
+		*value = tmp;
+	return ret;
+}
+
+static inline int nct6775_write_value(struct nct6775_data *data, u16 reg, u16 value)
+{
+	return regmap_write(data->regmap, reg, value);
+}
+
+struct nct6775_data *nct6775_update_device(struct device *dev);
+
+bool nct6775_reg_is_word_sized(struct nct6775_data *data, u16 reg);
+int nct6775_probe(struct device *dev, struct nct6775_data *data,
+		  const struct regmap_config *regmapcfg);
+
+ssize_t nct6775_show_alarm(struct device *dev, struct device_attribute *attr, char *buf);
+ssize_t nct6775_show_beep(struct device *dev, struct device_attribute *attr, char *buf);
+ssize_t nct6775_store_beep(struct device *dev, struct device_attribute *attr, const char *buf,
+			   size_t count);
+
+static inline int nct6775_write_temp(struct nct6775_data *data, u16 reg, u16 value)
+{
+	if (!nct6775_reg_is_word_sized(data, reg))
+		value >>= 8;
+	return nct6775_write_value(data, reg, value);
+}
+
+static inline umode_t nct6775_attr_mode(struct nct6775_data *data, struct attribute *attr)
+{
+	return data->read_only ? (attr->mode & ~0222) : attr->mode;
+}
+
+static inline int
+nct6775_add_attr_group(struct nct6775_data *data, const struct attribute_group *group)
+{
+	/* Need to leave a NULL terminator at the end of data->groups */
+	if (data->num_groups == ARRAY_SIZE(data->groups) - 1)
+		return -ENOBUFS;
+
+	data->groups[data->num_groups++] = group;
+	return 0;
+}
+
+#define NCT6775_REG_BANK	0x4E
+#define NCT6775_REG_CONFIG	0x40
+
+#define NCT6775_REG_FANDIV1		0x506
+#define NCT6775_REG_FANDIV2		0x507
+
+#define NCT6791_REG_HM_IO_SPACE_LOCK_ENABLE	0x28
+
+#define FAN_ALARM_BASE		16
+#define TEMP_ALARM_BASE		24
+#define INTRUSION_ALARM_BASE	30
+#define BEEP_ENABLE_BASE	15
+
+/*
+ * Not currently used:
+ * REG_MAN_ID has the value 0x5ca3 for all supported chips.
+ * REG_CHIP_ID == 0x88/0xa1/0xc1 depending on chip model.
+ * REG_MAN_ID is at port 0x4f
+ * REG_CHIP_ID is at port 0x58
+ */
+
+#endif /* __HWMON_NCT6775_H__ */