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/net/wireless/ralink/rt2x00/rt2800mmio.h | 155 ++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 drivers/net/wireless/ralink/rt2x00/rt2800mmio.h (limited to 'drivers/net/wireless/ralink/rt2x00/rt2800mmio.h') diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h new file mode 100644 index 000000000..05708950f --- /dev/null +++ b/drivers/net/wireless/ralink/rt2x00/rt2800mmio.h @@ -0,0 +1,155 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* Copyright (C) 2009 - 2010 Ivo van Doorn + * Copyright (C) 2009 Alban Browaeys + * Copyright (C) 2009 Felix Fietkau + * Copyright (C) 2009 Luis Correia + * Copyright (C) 2009 Mattias Nissler + * Copyright (C) 2009 Mark Asselstine + * Copyright (C) 2009 Xose Vazquez Perez + * Copyright (C) 2009 Bart Zolnierkiewicz + * + */ + +/* Module: rt2800mmio + * Abstract: forward declarations for the rt2800mmio module. + */ + +#ifndef RT2800MMIO_H +#define RT2800MMIO_H + +/* + * Queue register offset macros + */ +#define TX_QUEUE_REG_OFFSET 0x10 +#define TX_BASE_PTR(__x) (TX_BASE_PTR0 + ((__x) * TX_QUEUE_REG_OFFSET)) +#define TX_MAX_CNT(__x) (TX_MAX_CNT0 + ((__x) * TX_QUEUE_REG_OFFSET)) +#define TX_CTX_IDX(__x) (TX_CTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)) +#define TX_DTX_IDX(__x) (TX_DTX_IDX0 + ((__x) * TX_QUEUE_REG_OFFSET)) + +/* + * DMA descriptor defines. + */ +#define TXD_DESC_SIZE (4 * sizeof(__le32)) +#define RXD_DESC_SIZE (4 * sizeof(__le32)) + +/* + * TX descriptor format for TX, PRIO and Beacon Ring. + */ + +/* + * Word0 + */ +#define TXD_W0_SD_PTR0 FIELD32(0xffffffff) + +/* + * Word1 + */ +#define TXD_W1_SD_LEN1 FIELD32(0x00003fff) +#define TXD_W1_LAST_SEC1 FIELD32(0x00004000) +#define TXD_W1_BURST FIELD32(0x00008000) +#define TXD_W1_SD_LEN0 FIELD32(0x3fff0000) +#define TXD_W1_LAST_SEC0 FIELD32(0x40000000) +#define TXD_W1_DMA_DONE FIELD32(0x80000000) + +/* + * Word2 + */ +#define TXD_W2_SD_PTR1 FIELD32(0xffffffff) + +/* + * Word3 + * WIV: Wireless Info Valid. 1: Driver filled WI, 0: DMA needs to copy WI + * QSEL: Select on-chip FIFO ID for 2nd-stage output scheduler. + * 0:MGMT, 1:HCCA 2:EDCA + */ +#define TXD_W3_WIV FIELD32(0x01000000) +#define TXD_W3_QSEL FIELD32(0x06000000) +#define TXD_W3_TCO FIELD32(0x20000000) +#define TXD_W3_UCO FIELD32(0x40000000) +#define TXD_W3_ICO FIELD32(0x80000000) + +/* + * RX descriptor format for RX Ring. + */ + +/* + * Word0 + */ +#define RXD_W0_SDP0 FIELD32(0xffffffff) + +/* + * Word1 + */ +#define RXD_W1_SDL1 FIELD32(0x00003fff) +#define RXD_W1_SDL0 FIELD32(0x3fff0000) +#define RXD_W1_LS0 FIELD32(0x40000000) +#define RXD_W1_DMA_DONE FIELD32(0x80000000) + +/* + * Word2 + */ +#define RXD_W2_SDP1 FIELD32(0xffffffff) + +/* + * Word3 + * AMSDU: RX with 802.3 header, not 802.11 header. + * DECRYPTED: This frame is being decrypted. + */ +#define RXD_W3_BA FIELD32(0x00000001) +#define RXD_W3_DATA FIELD32(0x00000002) +#define RXD_W3_NULLDATA FIELD32(0x00000004) +#define RXD_W3_FRAG FIELD32(0x00000008) +#define RXD_W3_UNICAST_TO_ME FIELD32(0x00000010) +#define RXD_W3_MULTICAST FIELD32(0x00000020) +#define RXD_W3_BROADCAST FIELD32(0x00000040) +#define RXD_W3_MY_BSS FIELD32(0x00000080) +#define RXD_W3_CRC_ERROR FIELD32(0x00000100) +#define RXD_W3_CIPHER_ERROR FIELD32(0x00000600) +#define RXD_W3_AMSDU FIELD32(0x00000800) +#define RXD_W3_HTC FIELD32(0x00001000) +#define RXD_W3_RSSI FIELD32(0x00002000) +#define RXD_W3_L2PAD FIELD32(0x00004000) +#define RXD_W3_AMPDU FIELD32(0x00008000) +#define RXD_W3_DECRYPTED FIELD32(0x00010000) +#define RXD_W3_PLCP_SIGNAL FIELD32(0x00020000) +#define RXD_W3_PLCP_RSSI FIELD32(0x00040000) + +unsigned int rt2800mmio_get_dma_done(struct data_queue *queue); + +/* TX descriptor initialization */ +__le32 *rt2800mmio_get_txwi(struct queue_entry *entry); +void rt2800mmio_write_tx_desc(struct queue_entry *entry, + struct txentry_desc *txdesc); + +/* RX control handlers */ +void rt2800mmio_fill_rxdone(struct queue_entry *entry, + struct rxdone_entry_desc *rxdesc); + +/* Interrupt functions */ +void rt2800mmio_txstatus_tasklet(struct tasklet_struct *t); +void rt2800mmio_pretbtt_tasklet(struct tasklet_struct *t); +void rt2800mmio_tbtt_tasklet(struct tasklet_struct *t); +void rt2800mmio_rxdone_tasklet(struct tasklet_struct *t); +void rt2800mmio_autowake_tasklet(struct tasklet_struct *t); +irqreturn_t rt2800mmio_interrupt(int irq, void *dev_instance); +void rt2800mmio_toggle_irq(struct rt2x00_dev *rt2x00dev, + enum dev_state state); + +/* Queue handlers */ +void rt2800mmio_start_queue(struct data_queue *queue); +void rt2800mmio_kick_queue(struct data_queue *queue); +void rt2800mmio_flush_queue(struct data_queue *queue, bool drop); +void rt2800mmio_stop_queue(struct data_queue *queue); +void rt2800mmio_queue_init(struct data_queue *queue); + +/* Initialization functions */ +int rt2800mmio_probe_hw(struct rt2x00_dev *rt2x00dev); +bool rt2800mmio_get_entry_state(struct queue_entry *entry); +void rt2800mmio_clear_entry(struct queue_entry *entry); +int rt2800mmio_init_queues(struct rt2x00_dev *rt2x00dev); +int rt2800mmio_init_registers(struct rt2x00_dev *rt2x00dev); + +/* Device state switch handlers. */ +int rt2800mmio_enable_radio(struct rt2x00_dev *rt2x00dev); + +#endif /* RT2800MMIO_H */ -- cgit v1.2.3