From 5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Tue, 21 Feb 2023 18:24:12 -0800 Subject: Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 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(). ... --- drivers/parisc/iosapic_private.h | 174 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 174 insertions(+) create mode 100644 drivers/parisc/iosapic_private.h (limited to 'drivers/parisc/iosapic_private.h') diff --git a/drivers/parisc/iosapic_private.h b/drivers/parisc/iosapic_private.h new file mode 100644 index 000000000..73ecc657a --- /dev/null +++ b/drivers/parisc/iosapic_private.h @@ -0,0 +1,174 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Private structs/constants for PARISC IOSAPIC support + * + * Copyright (C) 2000 Hewlett Packard (Grant Grundler) + * Copyright (C) 2000,2003 Grant Grundler (grundler at parisc-linux.org) + * Copyright (C) 2002 Matthew Wilcox (willy at parisc-linux.org) + */ + +/* +** This file is private to iosapic driver. +** If stuff needs to be used by another driver, move it to a common file. +** +** WARNING: fields most data structures here are ordered to make sure +** they pack nicely for 64-bit compilation. (ie sizeof(long) == 8) +*/ + + +/* +** Interrupt Routing Stuff +** ----------------------- +** The interrupt routing table consists of entries derived from +** MP Specification Draft 1.5. There is one interrupt routing +** table per cell. N- and L-class consist of a single cell. +*/ +struct irt_entry { + + /* Entry Type 139 identifies an I/O SAPIC interrupt entry */ + u8 entry_type; + + /* Entry Length 16 indicates entry is 16 bytes long */ + u8 entry_length; + + /* + ** Interrupt Type of 0 indicates a vectored interrupt, + ** all other values are reserved + */ + u8 interrupt_type; + + /* + ** PO and EL + ** Polarity of SAPIC I/O input signals: + ** 00 = Reserved + ** 01 = Active high + ** 10 = Reserved + ** 11 = Active low + ** Trigger mode of SAPIC I/O input signals: + ** 00 = Reserved + ** 01 = Edge-triggered + ** 10 = Reserved + ** 11 = Level-triggered + */ + u8 polarity_trigger; + + /* + ** IRQ and DEVNO + ** irq identifies PCI interrupt signal where + ** 0x0 corresponds to INT_A#, + ** 0x1 corresponds to INT_B#, + ** 0x2 corresponds to INT_C# + ** 0x3 corresponds to INT_D# + ** PCI device number where interrupt originates + */ + u8 src_bus_irq_devno; + + /* Source Bus ID identifies the bus where interrupt signal comes from */ + u8 src_bus_id; + + /* + ** Segment ID is unique across a protection domain and + ** identifies a segment of PCI buses (reserved in + ** MP Specification Draft 1.5) + */ + u8 src_seg_id; + + /* + ** Destination I/O SAPIC INTIN# identifies the INTIN n pin + ** to which the signal is connected + */ + u8 dest_iosapic_intin; + + /* + ** Destination I/O SAPIC Address identifies the I/O SAPIC + ** to which the signal is connected + */ + u64 dest_iosapic_addr; +}; + +#define IRT_IOSAPIC_TYPE 139 +#define IRT_IOSAPIC_LENGTH 16 + +#define IRT_VECTORED_INTR 0 + +#define IRT_PO_MASK 0x3 +#define IRT_ACTIVE_HI 1 +#define IRT_ACTIVE_LO 3 + +#define IRT_EL_MASK 0x3 +#define IRT_EL_SHIFT 2 +#define IRT_EDGE_TRIG 1 +#define IRT_LEVEL_TRIG 3 + +#define IRT_IRQ_MASK 0x3 +#define IRT_DEV_MASK 0x1f +#define IRT_DEV_SHIFT 2 + +#define IRT_IRQ_DEVNO_MASK ((IRT_DEV_MASK << IRT_DEV_SHIFT) | IRT_IRQ_MASK) + +#ifdef SUPPORT_MULTI_CELL +struct iosapic_irt { + struct iosapic_irt *irt_next; /* next routing table */ + struct irt_entry *irt_base; /* intr routing table address */ + size_t irte_count; /* number of entries in the table */ + size_t irte_size; /* size (bytes) of each entry */ +}; +#endif + +struct vector_info { + struct iosapic_info *iosapic; /* I/O SAPIC this vector is on */ + struct irt_entry *irte; /* IRT entry */ + u32 __iomem *eoi_addr; /* precalculate EOI reg address */ + u32 eoi_data; /* IA64: ? PA: swapped txn_data */ + int txn_irq; /* virtual IRQ number for processor */ + ulong txn_addr; /* IA64: id_eid PA: partial HPA */ + u32 txn_data; /* CPU interrupt bit */ + u8 status; /* status/flags */ + u8 irqline; /* INTINn(IRQ) */ +}; + + +struct iosapic_info { + struct iosapic_info * isi_next; /* list of I/O SAPIC */ + void __iomem * addr; /* remapped address */ + unsigned long isi_hpa; /* physical base address */ + struct vector_info * isi_vector; /* IRdT (IRQ line) array */ + int isi_num_vectors; /* size of IRdT array */ + int isi_status; /* status/flags */ + unsigned int isi_version; /* DEBUG: data fr version reg */ +}; + + + +#ifdef __IA64__ +/* +** PA risc does NOT have any local sapics. IA64 does. +** PIB (Processor Interrupt Block) is handled by Astro or Dew (Stretch CEC). +** +** PA: Get id_eid from IRT and hardcode PIB to 0xfeeNNNN0 +** Emulate the data on PAT platforms. +*/ +struct local_sapic_info { + struct local_sapic_info *lsi_next; /* point to next CPU info */ + int *lsi_cpu_id; /* point to logical CPU id */ + unsigned long *lsi_id_eid; /* point to IA-64 CPU id */ + int *lsi_status; /* point to CPU status */ + void *lsi_private; /* point to special info */ +}; + +/* +** "root" data structure which ties everything together. +** Should always be able to start with sapic_root and locate +** the desired information. +*/ +struct sapic_info { + struct sapic_info *si_next; /* info is per cell */ + int si_cellid; /* cell id */ + unsigned int si_status; /* status */ + char *si_pib_base; /* intr blk base address */ + local_sapic_info_t *si_local_info; + io_sapic_info_t *si_io_info; + extint_info_t *si_extint_info;/* External Intr info */ +}; +#endif + -- cgit v1.2.3