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, 204 insertions, 0 deletions

diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_config.h b/drivers/net/ethernet/marvell/octeon_ep/octep_config.h
new file mode 100644
index 000000000..f208f3f9a
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeon_ep/octep_config.h
@@ -0,0 +1,204 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Marvell Octeon EP (EndPoint) Ethernet Driver
+ *
+ * Copyright (C) 2020 Marvell.
+ *
+ */
+
+#ifndef _OCTEP_CONFIG_H_
+#define _OCTEP_CONFIG_H_
+
+/* Tx instruction types by length */
+#define OCTEP_32BYTE_INSTR  32
+#define OCTEP_64BYTE_INSTR  64
+
+/* Tx Queue: maximum descriptors per ring */
+#define OCTEP_IQ_MAX_DESCRIPTORS    1024
+/* Minimum input (Tx) requests to be enqueued to ring doorbell */
+#define OCTEP_DB_MIN                1
+/* Packet threshold for Tx queue interrupt */
+#define OCTEP_IQ_INTR_THRESHOLD     0x0
+
+/* Rx Queue: maximum descriptors per ring */
+#define OCTEP_OQ_MAX_DESCRIPTORS   1024
+
+/* Rx buffer size: Use page size buffers.
+ * Build skb from allocated page buffer once the packet is received.
+ * When a gathered packet is received, make head page as skb head and
+ * page buffers in consecutive Rx descriptors as fragments.
+ */
+#define OCTEP_OQ_BUF_SIZE          (SKB_WITH_OVERHEAD(PAGE_SIZE))
+#define OCTEP_OQ_PKTS_PER_INTR     128
+#define OCTEP_OQ_REFILL_THRESHOLD  (OCTEP_OQ_MAX_DESCRIPTORS / 4)
+
+#define OCTEP_OQ_INTR_PKT_THRESHOLD   1
+#define OCTEP_OQ_INTR_TIME_THRESHOLD  10
+
+#define OCTEP_MSIX_NAME_SIZE      (IFNAMSIZ + 32)
+
+/* Tx Queue wake threshold
+ * wakeup a stopped Tx queue if minimum 2 descriptors are available.
+ * Even a skb with fragments consume only one Tx queue descriptor entry.
+ */
+#define OCTEP_WAKE_QUEUE_THRESHOLD 2
+
+/* Minimum MTU supported by Octeon network interface */
+#define OCTEP_MIN_MTU        ETH_MIN_MTU
+/* Maximum MTU supported by Octeon interface*/
+#define OCTEP_MAX_MTU        (10000 - (ETH_HLEN + ETH_FCS_LEN))
+/* Default MTU */
+#define OCTEP_DEFAULT_MTU    1500
+
+/* Macros to get octeon config params */
+#define CFG_GET_IQ_CFG(cfg)             ((cfg)->iq)
+#define CFG_GET_IQ_NUM_DESC(cfg)        ((cfg)->iq.num_descs)
+#define CFG_GET_IQ_INSTR_TYPE(cfg)      ((cfg)->iq.instr_type)
+#define CFG_GET_IQ_PKIND(cfg)           ((cfg)->iq.pkind)
+#define CFG_GET_IQ_INSTR_SIZE(cfg)      (64)
+#define CFG_GET_IQ_DB_MIN(cfg)          ((cfg)->iq.db_min)
+#define CFG_GET_IQ_INTR_THRESHOLD(cfg)  ((cfg)->iq.intr_threshold)
+
+#define CFG_GET_OQ_NUM_DESC(cfg)          ((cfg)->oq.num_descs)
+#define CFG_GET_OQ_BUF_SIZE(cfg)          ((cfg)->oq.buf_size)
+#define CFG_GET_OQ_REFILL_THRESHOLD(cfg)  ((cfg)->oq.refill_threshold)
+#define CFG_GET_OQ_INTR_PKT(cfg)          ((cfg)->oq.oq_intr_pkt)
+#define CFG_GET_OQ_INTR_TIME(cfg)         ((cfg)->oq.oq_intr_time)
+
+#define CFG_GET_PORTS_MAX_IO_RINGS(cfg)    ((cfg)->pf_ring_cfg.max_io_rings)
+#define CFG_GET_PORTS_ACTIVE_IO_RINGS(cfg) ((cfg)->pf_ring_cfg.active_io_rings)
+#define CFG_GET_PORTS_PF_SRN(cfg)          ((cfg)->pf_ring_cfg.srn)
+
+#define CFG_GET_DPI_PKIND(cfg)            ((cfg)->core_cfg.dpi_pkind)
+#define CFG_GET_CORE_TICS_PER_US(cfg)     ((cfg)->core_cfg.core_tics_per_us)
+#define CFG_GET_COPROC_TICS_PER_US(cfg)   ((cfg)->core_cfg.coproc_tics_per_us)
+
+#define CFG_GET_MAX_VFS(cfg)        ((cfg)->sriov_cfg.max_vfs)
+#define CFG_GET_ACTIVE_VFS(cfg)     ((cfg)->sriov_cfg.active_vfs)
+#define CFG_GET_MAX_RPVF(cfg)       ((cfg)->sriov_cfg.max_rings_per_vf)
+#define CFG_GET_ACTIVE_RPVF(cfg)    ((cfg)->sriov_cfg.active_rings_per_vf)
+#define CFG_GET_VF_SRN(cfg)         ((cfg)->sriov_cfg.vf_srn)
+
+#define CFG_GET_IOQ_MSIX(cfg)            ((cfg)->msix_cfg.ioq_msix)
+#define CFG_GET_NON_IOQ_MSIX(cfg)        ((cfg)->msix_cfg.non_ioq_msix)
+#define CFG_GET_NON_IOQ_MSIX_NAMES(cfg)  ((cfg)->msix_cfg.non_ioq_msix_names)
+
+#define CFG_GET_CTRL_MBOX_MEM_ADDR(cfg)  ((cfg)->ctrl_mbox_cfg.barmem_addr)
+
+/* Hardware Tx Queue configuration. */
+struct octep_iq_config {
+	/* Size of the Input queue (number of commands) */
+	u16 num_descs;
+
+	/* Command size - 32 or 64 bytes */
+	u16 instr_type;
+
+	/* pkind for packets sent to Octeon */
+	u16 pkind;
+
+	/* Minimum number of commands pending to be posted to Octeon before driver
+	 * hits the Input queue doorbell.
+	 */
+	u16 db_min;
+
+	/* Trigger the IQ interrupt when processed cmd count reaches
+	 * this level.
+	 */
+	u32 intr_threshold;
+};
+
+/* Hardware Rx Queue configuration. */
+struct octep_oq_config {
+	/* Size of Output queue (number of descriptors) */
+	u16 num_descs;
+
+	/* Size of buffer in this Output queue. */
+	u16 buf_size;
+
+	/* The number of buffers that were consumed during packet processing
+	 * by the driver on this Output queue before the driver attempts to
+	 * replenish the descriptor ring with new buffers.
+	 */
+	u16 refill_threshold;
+
+	/* Interrupt Coalescing (Packet Count). Octeon will interrupt the host
+	 * only if it sent as many packets as specified by this field.
+	 * The driver usually does not use packet count interrupt coalescing.
+	 */
+	u32 oq_intr_pkt;
+
+	/* Interrupt Coalescing (Time Interval). Octeon will interrupt the host
+	 * if at least one packet was sent in the time interval specified by
+	 * this field. The driver uses time interval interrupt coalescing by
+	 * default. The time is specified in microseconds.
+	 */
+	u32 oq_intr_time;
+};
+
+/* Tx/Rx configuration */
+struct octep_pf_ring_config {
+	/* Max number of IOQs */
+	u16 max_io_rings;
+
+	/* Number of active IOQs */
+	u16 active_io_rings;
+
+	/* Starting IOQ number: this changes based on which PEM is used */
+	u16 srn;
+};
+
+/* Octeon Hardware SRIOV config */
+struct octep_sriov_config {
+	/* Max number of VF devices supported */
+	u16 max_vfs;
+
+	/* Number of VF devices enabled   */
+	u16 active_vfs;
+
+	/* Max number of rings assigned to VF  */
+	u8 max_rings_per_vf;
+
+	/* Number of rings enabled per VF */
+	u8 active_rings_per_vf;
+
+	/* starting ring number of VF's: ring-0 of VF-0 of the PF */
+	u16 vf_srn;
+};
+
+/* Octeon MSI-x config. */
+struct octep_msix_config {
+	/* Number of IOQ interrupts */
+	u16 ioq_msix;
+
+	/* Number of Non IOQ interrupts */
+	u16 non_ioq_msix;
+
+	/* Names of Non IOQ interrupts */
+	char **non_ioq_msix_names;
+};
+
+struct octep_ctrl_mbox_config {
+	/* Barmem address for control mbox */
+	void __iomem *barmem_addr;
+};
+
+/* Data Structure to hold configuration limits and active config */
+struct octep_config {
+	/* Input Queue attributes. */
+	struct octep_iq_config iq;
+
+	/* Output Queue attributes. */
+	struct octep_oq_config oq;
+
+	/* NIC Port Configuration */
+	struct octep_pf_ring_config pf_ring_cfg;
+
+	/* SRIOV configuration of the PF */
+	struct octep_sriov_config sriov_cfg;
+
+	/* MSI-X interrupt config */
+	struct octep_msix_config msix_cfg;
+
+	/* ctrl mbox config */
+	struct octep_ctrl_mbox_config ctrl_mbox_cfg;
+};
+#endif /* _OCTEP_CONFIG_H_ */