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, 263 insertions, 0 deletions

diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
new file mode 100644
index 000000000..7cf7dbbfa
--- /dev/null
+++ b/include/pcmcia/ss.h
@@ -0,0 +1,263 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * ss.h
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
+ *
+ * (C) 1999             David A. Hinds
+ */
+
+#ifndef _LINUX_SS_H
+#define _LINUX_SS_H
+
+#include <linux/device.h>
+#include <linux/sched.h>	/* task_struct, completion */
+#include <linux/mutex.h>
+
+#ifdef CONFIG_CARDBUS
+#include <linux/pci.h>
+#endif
+
+/* Definitions for card status flags for GetStatus */
+#define SS_WRPROT	0x0001
+#define SS_CARDLOCK	0x0002
+#define SS_EJECTION	0x0004
+#define SS_INSERTION	0x0008
+#define SS_BATDEAD	0x0010
+#define SS_BATWARN	0x0020
+#define SS_READY	0x0040
+#define SS_DETECT	0x0080
+#define SS_POWERON	0x0100
+#define SS_GPI		0x0200
+#define SS_STSCHG	0x0400
+#define SS_CARDBUS	0x0800
+#define SS_3VCARD	0x1000
+#define SS_XVCARD	0x2000
+#define SS_PENDING	0x4000
+#define SS_ZVCARD	0x8000
+
+/* InquireSocket capabilities */
+#define SS_CAP_PAGE_REGS	0x0001
+#define SS_CAP_VIRTUAL_BUS	0x0002
+#define SS_CAP_MEM_ALIGN	0x0004
+#define SS_CAP_STATIC_MAP	0x0008
+#define SS_CAP_PCCARD		0x4000
+#define SS_CAP_CARDBUS		0x8000
+
+/* for GetSocket, SetSocket */
+typedef struct socket_state_t {
+	u_int	flags;
+	u_int	csc_mask;
+	u_char	Vcc, Vpp;
+	u_char	io_irq;
+} socket_state_t;
+
+extern socket_state_t dead_socket;
+
+/* Socket configuration flags */
+#define SS_PWR_AUTO	0x0010
+#define SS_IOCARD	0x0020
+#define SS_RESET	0x0040
+#define SS_DMA_MODE	0x0080
+#define SS_SPKR_ENA	0x0100
+#define SS_OUTPUT_ENA	0x0200
+
+/* Flags for I/O port and memory windows */
+#define MAP_ACTIVE	0x01
+#define MAP_16BIT	0x02
+#define MAP_AUTOSZ	0x04
+#define MAP_0WS		0x08
+#define MAP_WRPROT	0x10
+#define MAP_ATTRIB	0x20
+#define MAP_USE_WAIT	0x40
+#define MAP_PREFETCH	0x80
+
+/* Use this just for bridge windows */
+#define MAP_IOSPACE	0x20
+
+/* power hook operations */
+#define HOOK_POWER_PRE	0x01
+#define HOOK_POWER_POST	0x02
+
+typedef struct pccard_io_map {
+	u_char	map;
+	u_char	flags;
+	u_short	speed;
+	phys_addr_t start, stop;
+} pccard_io_map;
+
+typedef struct pccard_mem_map {
+	u_char		map;
+	u_char		flags;
+	u_short		speed;
+	phys_addr_t	static_start;
+	u_int		card_start;
+	struct resource	*res;
+} pccard_mem_map;
+
+typedef struct io_window_t {
+	u_int			InUse, Config;
+	struct resource		*res;
+} io_window_t;
+
+/* Maximum number of IO windows per socket */
+#define MAX_IO_WIN 2
+
+/* Maximum number of memory windows per socket */
+#define MAX_WIN 4
+
+
+/*
+ * Socket operations.
+ */
+struct pcmcia_socket;
+struct pccard_resource_ops;
+struct config_t;
+struct pcmcia_callback;
+struct user_info_t;
+
+struct pccard_operations {
+	int (*init)(struct pcmcia_socket *s);
+	int (*suspend)(struct pcmcia_socket *s);
+	int (*get_status)(struct pcmcia_socket *s, u_int *value);
+	int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
+	int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
+	int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
+};
+
+struct pcmcia_socket {
+	struct module			*owner;
+	socket_state_t			socket;
+	u_int				state;
+	u_int				suspended_state;	/* state before suspend */
+	u_short				functions;
+	u_short				lock_count;
+	pccard_mem_map			cis_mem;
+	void __iomem 			*cis_virt;
+	io_window_t			io[MAX_IO_WIN];
+	pccard_mem_map			win[MAX_WIN];
+	struct list_head		cis_cache;
+	size_t				fake_cis_len;
+	u8				*fake_cis;
+
+	struct list_head		socket_list;
+	struct completion		socket_released;
+
+	/* deprecated */
+	unsigned int			sock;		/* socket number */
+
+
+	/* socket capabilities */
+	u_int				features;
+	u_int				irq_mask;
+	u_int				map_size;
+	u_int				io_offset;
+	u_int				pci_irq;
+	struct pci_dev			*cb_dev;
+
+	/* socket setup is done so resources should be able to be allocated.
+	 * Only if set to 1, calls to find_{io,mem}_region are handled, and
+	 * insertio events are actually managed by the PCMCIA layer.*/
+	u8				resource_setup_done;
+
+	/* socket operations */
+	struct pccard_operations	*ops;
+	struct pccard_resource_ops	*resource_ops;
+	void				*resource_data;
+
+	/* Zoom video behaviour is so chip specific its not worth adding
+	   this to _ops */
+	void 				(*zoom_video)(struct pcmcia_socket *,
+						      int);
+
+	/* so is power hook */
+	int (*power_hook)(struct pcmcia_socket *sock, int operation);
+
+	/* allows tuning the CB bridge before loading driver for the CB card */
+#ifdef CONFIG_CARDBUS
+	void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
+#endif
+
+	/* state thread */
+	struct task_struct		*thread;
+	struct completion		thread_done;
+	unsigned int			thread_events;
+	unsigned int			sysfs_events;
+
+	/* For the non-trivial interaction between these locks,
+	 * see Documentation/pcmcia/locking.rst */
+	struct mutex			skt_mutex;
+	struct mutex			ops_mutex;
+
+	/* protects thread_events and sysfs_events */
+	spinlock_t			thread_lock;
+
+	/* pcmcia (16-bit) */
+	struct pcmcia_callback		*callback;
+
+#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
+	/* The following elements refer to 16-bit PCMCIA devices inserted
+	 * into the socket */
+	struct list_head		devices_list;
+
+	/* the number of devices, used only internally and subject to
+	 * incorrectness and change */
+	u8				device_count;
+
+	/* does the PCMCIA card consist of two pseudo devices? */
+	u8				pcmcia_pfc;
+
+	/* non-zero if PCMCIA card is present */
+	atomic_t			present;
+
+	/* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
+	unsigned int			pcmcia_irq;
+
+#endif /* CONFIG_PCMCIA */
+
+	/* socket device */
+	struct device			dev;
+	/* data internal to the socket driver */
+	void				*driver_data;
+	/* status of the card during resume from a system sleep state */
+	int				resume_status;
+};
+
+
+/* socket drivers must define the resource operations type they use. There
+ * are three options:
+ * - pccard_static_ops		iomem and ioport areas are assigned statically
+ * - pccard_iodyn_ops		iomem areas is assigned statically, ioport
+ *				areas dynamically
+ *				If this option is selected, use
+ *				"select PCCARD_IODYN" in Kconfig.
+ * - pccard_nonstatic_ops	iomem and ioport areas are assigned dynamically.
+ *				If this option is selected, use
+ *				"select PCCARD_NONSTATIC" in Kconfig.
+ *
+ */
+extern struct pccard_resource_ops pccard_static_ops;
+#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
+extern struct pccard_resource_ops pccard_iodyn_ops;
+extern struct pccard_resource_ops pccard_nonstatic_ops;
+#else
+/* If PCMCIA is not used, but only CARDBUS, these functions are not used
+ * at all. Therefore, do not use the large (240K!) rsrc_nonstatic module
+ */
+#define pccard_iodyn_ops pccard_static_ops
+#define pccard_nonstatic_ops pccard_static_ops
+#endif
+
+
+/* socket drivers use this callback in their IRQ handler */
+extern void pcmcia_parse_events(struct pcmcia_socket *socket,
+				unsigned int events);
+
+/* to register and unregister a socket */
+extern int pcmcia_register_socket(struct pcmcia_socket *socket);
+extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
+
+
+#endif /* _LINUX_SS_H */