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, 232 insertions, 0 deletions

diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h
new file mode 100644
index 000000000..8aa1f6530
--- /dev/null
+++ b/arch/s390/include/asm/lowcore.h
@@ -0,0 +1,232 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ *    Copyright IBM Corp. 1999, 2012
+ *    Author(s): Hartmut Penner <hp@de.ibm.com>,
+ *		 Martin Schwidefsky <schwidefsky@de.ibm.com>,
+ *		 Denis Joseph Barrow,
+ */
+
+#ifndef _ASM_S390_LOWCORE_H
+#define _ASM_S390_LOWCORE_H
+
+#include <linux/types.h>
+#include <asm/ptrace.h>
+#include <asm/cpu.h>
+#include <asm/types.h>
+
+#define LC_ORDER 1
+#define LC_PAGES 2
+
+struct pgm_tdb {
+	u64 data[32];
+};
+
+struct lowcore {
+	__u8	pad_0x0000[0x0014-0x0000];	/* 0x0000 */
+	__u32	ipl_parmblock_ptr;		/* 0x0014 */
+	__u8	pad_0x0018[0x0080-0x0018];	/* 0x0018 */
+	__u32	ext_params;			/* 0x0080 */
+	union {
+		struct {
+			__u16 ext_cpu_addr;	/* 0x0084 */
+			__u16 ext_int_code;	/* 0x0086 */
+		};
+		__u32 ext_int_code_addr;
+	};
+	__u32	svc_int_code;			/* 0x0088 */
+	union {
+		struct {
+			__u16	pgm_ilc;	/* 0x008c */
+			__u16	pgm_code;	/* 0x008e */
+		};
+		__u32 pgm_int_code;
+	};
+	__u32	data_exc_code;			/* 0x0090 */
+	__u16	mon_class_num;			/* 0x0094 */
+	union {
+		struct {
+			__u8	per_code;	/* 0x0096 */
+			__u8	per_atmid;	/* 0x0097 */
+		};
+		__u16 per_code_combined;
+	};
+	__u64	per_address;			/* 0x0098 */
+	__u8	exc_access_id;			/* 0x00a0 */
+	__u8	per_access_id;			/* 0x00a1 */
+	__u8	op_access_id;			/* 0x00a2 */
+	__u8	ar_mode_id;			/* 0x00a3 */
+	__u8	pad_0x00a4[0x00a8-0x00a4];	/* 0x00a4 */
+	__u64	trans_exc_code;			/* 0x00a8 */
+	__u64	monitor_code;			/* 0x00b0 */
+	union {
+		struct {
+			__u16	subchannel_id;	/* 0x00b8 */
+			__u16	subchannel_nr;	/* 0x00ba */
+			__u32	io_int_parm;	/* 0x00bc */
+			__u32	io_int_word;	/* 0x00c0 */
+		};
+		struct tpi_info	tpi_info;	/* 0x00b8 */
+	};
+	__u8	pad_0x00c4[0x00c8-0x00c4];	/* 0x00c4 */
+	__u32	stfl_fac_list;			/* 0x00c8 */
+	__u8	pad_0x00cc[0x00e8-0x00cc];	/* 0x00cc */
+	__u64	mcck_interruption_code;		/* 0x00e8 */
+	__u8	pad_0x00f0[0x00f4-0x00f0];	/* 0x00f0 */
+	__u32	external_damage_code;		/* 0x00f4 */
+	__u64	failing_storage_address;	/* 0x00f8 */
+	__u8	pad_0x0100[0x0110-0x0100];	/* 0x0100 */
+	__u64	pgm_last_break;			/* 0x0110 */
+	__u8	pad_0x0118[0x0120-0x0118];	/* 0x0118 */
+	psw_t	restart_old_psw;		/* 0x0120 */
+	psw_t	external_old_psw;		/* 0x0130 */
+	psw_t	svc_old_psw;			/* 0x0140 */
+	psw_t	program_old_psw;		/* 0x0150 */
+	psw_t	mcck_old_psw;			/* 0x0160 */
+	psw_t	io_old_psw;			/* 0x0170 */
+	__u8	pad_0x0180[0x01a0-0x0180];	/* 0x0180 */
+	psw_t	restart_psw;			/* 0x01a0 */
+	psw_t	external_new_psw;		/* 0x01b0 */
+	psw_t	svc_new_psw;			/* 0x01c0 */
+	psw_t	program_new_psw;		/* 0x01d0 */
+	psw_t	mcck_new_psw;			/* 0x01e0 */
+	psw_t	io_new_psw;			/* 0x01f0 */
+
+	/* Save areas. */
+	__u64	save_area_sync[8];		/* 0x0200 */
+	__u64	save_area_async[8];		/* 0x0240 */
+	__u64	save_area_restart[1];		/* 0x0280 */
+
+	/* CPU flags. */
+	__u64	cpu_flags;			/* 0x0288 */
+
+	/* Return psws. */
+	psw_t	return_psw;			/* 0x0290 */
+	psw_t	return_mcck_psw;		/* 0x02a0 */
+
+	__u64	last_break;			/* 0x02b0 */
+
+	/* CPU accounting and timing values. */
+	__u64	sys_enter_timer;		/* 0x02b8 */
+	__u64	mcck_enter_timer;		/* 0x02c0 */
+	__u64	exit_timer;			/* 0x02c8 */
+	__u64	user_timer;			/* 0x02d0 */
+	__u64	guest_timer;			/* 0x02d8 */
+	__u64	system_timer;			/* 0x02e0 */
+	__u64	hardirq_timer;			/* 0x02e8 */
+	__u64	softirq_timer;			/* 0x02f0 */
+	__u64	steal_timer;			/* 0x02f8 */
+	__u64	avg_steal_timer;		/* 0x0300 */
+	__u64	last_update_timer;		/* 0x0308 */
+	__u64	last_update_clock;		/* 0x0310 */
+	__u64	int_clock;			/* 0x0318*/
+	__u64	mcck_clock;			/* 0x0320 */
+	__u64	clock_comparator;		/* 0x0328 */
+	__u64	boot_clock[2];			/* 0x0330 */
+
+	/* Current process. */
+	__u64	current_task;			/* 0x0340 */
+	__u64	kernel_stack;			/* 0x0348 */
+
+	/* Interrupt, DAT-off and restartstack. */
+	__u64	async_stack;			/* 0x0350 */
+	__u64	nodat_stack;			/* 0x0358 */
+	__u64	restart_stack;			/* 0x0360 */
+	__u64	mcck_stack;			/* 0x0368 */
+	/* Restart function and parameter. */
+	__u64	restart_fn;			/* 0x0370 */
+	__u64	restart_data;			/* 0x0378 */
+	__u32	restart_source;			/* 0x0380 */
+	__u32	restart_flags;			/* 0x0384 */
+
+	/* Address space pointer. */
+	__u64	kernel_asce;			/* 0x0388 */
+	__u64	user_asce;			/* 0x0390 */
+
+	/*
+	 * The lpp and current_pid fields form a
+	 * 64-bit value that is set as program
+	 * parameter with the LPP instruction.
+	 */
+	__u32	lpp;				/* 0x0398 */
+	__u32	current_pid;			/* 0x039c */
+
+	/* SMP info area */
+	__u32	cpu_nr;				/* 0x03a0 */
+	__u32	softirq_pending;		/* 0x03a4 */
+	__s32	preempt_count;			/* 0x03a8 */
+	__u32	spinlock_lockval;		/* 0x03ac */
+	__u32	spinlock_index;			/* 0x03b0 */
+	__u32	fpu_flags;			/* 0x03b4 */
+	__u64	percpu_offset;			/* 0x03b8 */
+	__u8	pad_0x03c0[0x03c8-0x03c0];	/* 0x03c0 */
+	__u64	machine_flags;			/* 0x03c8 */
+	__u64	gmap;				/* 0x03d0 */
+	__u8	pad_0x03d8[0x0400-0x03d8];	/* 0x03d8 */
+
+	__u32	return_lpswe;			/* 0x0400 */
+	__u32	return_mcck_lpswe;		/* 0x0404 */
+	__u8	pad_0x040a[0x0e00-0x0408];	/* 0x0408 */
+
+	/*
+	 * 0xe00 contains the address of the IPL Parameter Information
+	 * block. Dump tools need IPIB for IPL after dump.
+	 * Note: do not change the position of any fields in 0x0e00-0x0f00
+	 */
+	__u64	ipib;				/* 0x0e00 */
+	__u32	ipib_checksum;			/* 0x0e08 */
+	__u64	vmcore_info;			/* 0x0e0c */
+	__u8	pad_0x0e14[0x0e18-0x0e14];	/* 0x0e14 */
+	__u64	os_info;			/* 0x0e18 */
+	__u8	pad_0x0e20[0x11b0-0x0e20];	/* 0x0e20 */
+
+	/* Pointer to the machine check extended save area */
+	__u64	mcesad;				/* 0x11b0 */
+
+	/* 64 bit extparam used for pfault/diag 250: defined by architecture */
+	__u64	ext_params2;			/* 0x11B8 */
+	__u8	pad_0x11c0[0x1200-0x11C0];	/* 0x11C0 */
+
+	/* CPU register save area: defined by architecture */
+	__u64	floating_pt_save_area[16];	/* 0x1200 */
+	__u64	gpregs_save_area[16];		/* 0x1280 */
+	psw_t	psw_save_area;			/* 0x1300 */
+	__u8	pad_0x1310[0x1318-0x1310];	/* 0x1310 */
+	__u32	prefixreg_save_area;		/* 0x1318 */
+	__u32	fpt_creg_save_area;		/* 0x131c */
+	__u8	pad_0x1320[0x1324-0x1320];	/* 0x1320 */
+	__u32	tod_progreg_save_area;		/* 0x1324 */
+	__u32	cpu_timer_save_area[2];		/* 0x1328 */
+	__u32	clock_comp_save_area[2];	/* 0x1330 */
+	__u64	last_break_save_area;		/* 0x1338 */
+	__u32	access_regs_save_area[16];	/* 0x1340 */
+	__u64	cregs_save_area[16];		/* 0x1380 */
+	__u8	pad_0x1400[0x1500-0x1400];	/* 0x1400 */
+	/* Cryptography-counter designation */
+	__u64	ccd;				/* 0x1500 */
+	/* AI-extension counter designation */
+	__u64	aicd;				/* 0x1508 */
+	__u8	pad_0x1510[0x1800-0x1510];	/* 0x1510 */
+
+	/* Transaction abort diagnostic block */
+	struct pgm_tdb pgm_tdb;			/* 0x1800 */
+	__u8	pad_0x1900[0x2000-0x1900];	/* 0x1900 */
+} __packed __aligned(8192);
+
+#define S390_lowcore (*((struct lowcore *) 0))
+
+extern struct lowcore *lowcore_ptr[];
+
+static inline void set_prefix(__u32 address)
+{
+	asm volatile("spx %0" : : "Q" (address) : "memory");
+}
+
+static inline __u32 store_prefix(void)
+{
+	__u32 address;
+
+	asm volatile("stpx %0" : "=Q" (address));
+	return address;
+}
+
+#endif /* _ASM_S390_LOWCORE_H */