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/mediatek/mt76/mt76x0/pci.c | 318 ++++++++++++++++++++++++ 1 file changed, 318 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/mt76x0/pci.c (limited to 'drivers/net/wireless/mediatek/mt76/mt76x0/pci.c') diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c new file mode 100644 index 000000000..9277ff38b --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/pci.c @@ -0,0 +1,318 @@ +// SPDX-License-Identifier: ISC +/* + * Copyright (C) 2016 Felix Fietkau + */ + +#include +#include +#include + +#include "mt76x0.h" +#include "mcu.h" + +static int mt76x0e_start(struct ieee80211_hw *hw) +{ + struct mt76x02_dev *dev = hw->priv; + + mt76x02_mac_start(dev); + mt76x0_phy_calibrate(dev, true); + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mphy.mac_work, + MT_MAC_WORK_INTERVAL); + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, + MT_CALIBRATE_INTERVAL); + set_bit(MT76_STATE_RUNNING, &dev->mphy.state); + + return 0; +} + +static void mt76x0e_stop_hw(struct mt76x02_dev *dev) +{ + cancel_delayed_work_sync(&dev->cal_work); + cancel_delayed_work_sync(&dev->mphy.mac_work); + clear_bit(MT76_RESTART, &dev->mphy.state); + + if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY, + 0, 1000)) + dev_warn(dev->mt76.dev, "TX DMA did not stop\n"); + mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_EN); + + mt76x0_mac_stop(dev); + + if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_BUSY, + 0, 1000)) + dev_warn(dev->mt76.dev, "TX DMA did not stop\n"); + mt76_clear(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_RX_DMA_EN); +} + +static void mt76x0e_stop(struct ieee80211_hw *hw) +{ + struct mt76x02_dev *dev = hw->priv; + + clear_bit(MT76_STATE_RUNNING, &dev->mphy.state); + mt76x0e_stop_hw(dev); +} + +static void +mt76x0e_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u32 queues, bool drop) +{ +} + +static const struct ieee80211_ops mt76x0e_ops = { + .tx = mt76x02_tx, + .start = mt76x0e_start, + .stop = mt76x0e_stop, + .add_interface = mt76x02_add_interface, + .remove_interface = mt76x02_remove_interface, + .config = mt76x0_config, + .configure_filter = mt76x02_configure_filter, + .bss_info_changed = mt76x02_bss_info_changed, + .sta_state = mt76_sta_state, + .sta_pre_rcu_remove = mt76_sta_pre_rcu_remove, + .set_key = mt76x02_set_key, + .conf_tx = mt76x02_conf_tx, + .sw_scan_start = mt76_sw_scan, + .sw_scan_complete = mt76x02_sw_scan_complete, + .ampdu_action = mt76x02_ampdu_action, + .sta_rate_tbl_update = mt76x02_sta_rate_tbl_update, + .wake_tx_queue = mt76_wake_tx_queue, + .get_survey = mt76_get_survey, + .get_txpower = mt76_get_txpower, + .flush = mt76x0e_flush, + .set_tim = mt76_set_tim, + .release_buffered_frames = mt76_release_buffered_frames, + .set_coverage_class = mt76x02_set_coverage_class, + .set_rts_threshold = mt76x02_set_rts_threshold, + .get_antenna = mt76_get_antenna, + .reconfig_complete = mt76x02_reconfig_complete, + .set_sar_specs = mt76x0_set_sar_specs, +}; + +static int mt76x0e_init_hardware(struct mt76x02_dev *dev, bool resume) +{ + int err; + + mt76x0_chip_onoff(dev, true, false); + if (!mt76x02_wait_for_mac(&dev->mt76)) + return -ETIMEDOUT; + + mt76x02_dma_disable(dev); + err = mt76x0e_mcu_init(dev); + if (err < 0) + return err; + + if (!resume) { + err = mt76x02_dma_init(dev); + if (err < 0) + return err; + } + + err = mt76x0_init_hardware(dev); + if (err < 0) + return err; + + mt76x02e_init_beacon_config(dev); + + if (mt76_chip(&dev->mt76) == 0x7610) { + u16 val; + + mt76_clear(dev, MT_COEXCFG0, BIT(0)); + + val = mt76x02_eeprom_get(dev, MT_EE_NIC_CONF_0); + if (!(val & MT_EE_NIC_CONF_0_PA_IO_CURRENT)) + mt76_set(dev, MT_XO_CTRL7, 0xc03); + } + + mt76_clear(dev, 0x110, BIT(9)); + mt76_set(dev, MT_MAX_LEN_CFG, BIT(13)); + + return 0; +} + +static int mt76x0e_register_device(struct mt76x02_dev *dev) +{ + int err; + + err = mt76x0e_init_hardware(dev, false); + if (err < 0) + return err; + + err = mt76x0_register_device(dev); + if (err < 0) + return err; + + set_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + + return 0; +} + +static int +mt76x0e_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + static const struct mt76_driver_ops drv_ops = { + .txwi_size = sizeof(struct mt76x02_txwi), + .drv_flags = MT_DRV_TX_ALIGNED4_SKBS | + MT_DRV_SW_RX_AIRTIME, + .survey_flags = SURVEY_INFO_TIME_TX, + .update_survey = mt76x02_update_channel, + .tx_prepare_skb = mt76x02_tx_prepare_skb, + .tx_complete_skb = mt76x02_tx_complete_skb, + .rx_skb = mt76x02_queue_rx_skb, + .rx_poll_complete = mt76x02_rx_poll_complete, + .sta_ps = mt76x02_sta_ps, + .sta_add = mt76x02_sta_add, + .sta_remove = mt76x02_sta_remove, + }; + struct mt76x02_dev *dev; + struct mt76_dev *mdev; + int ret; + + ret = pcim_enable_device(pdev); + if (ret) + return ret; + + ret = pcim_iomap_regions(pdev, BIT(0), pci_name(pdev)); + if (ret) + return ret; + + pci_set_master(pdev); + + ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + if (ret) + return ret; + + mt76_pci_disable_aspm(pdev); + + mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt76x0e_ops, + &drv_ops); + if (!mdev) + return -ENOMEM; + + dev = container_of(mdev, struct mt76x02_dev, mt76); + mutex_init(&dev->phy_mutex); + + mt76_mmio_init(mdev, pcim_iomap_table(pdev)[0]); + + mdev->rev = mt76_rr(dev, MT_ASIC_VERSION); + dev_info(mdev->dev, "ASIC revision: %08x\n", mdev->rev); + + mt76_wr(dev, MT_INT_MASK_CSR, 0); + + ret = devm_request_irq(mdev->dev, pdev->irq, mt76x02_irq_handler, + IRQF_SHARED, KBUILD_MODNAME, dev); + if (ret) + goto error; + + ret = mt76x0e_register_device(dev); + if (ret < 0) + goto error; + + return 0; + +error: + mt76_free_device(&dev->mt76); + + return ret; +} + +static void mt76x0e_cleanup(struct mt76x02_dev *dev) +{ + clear_bit(MT76_STATE_INITIALIZED, &dev->mphy.state); + tasklet_disable(&dev->mt76.pre_tbtt_tasklet); + mt76x0_chip_onoff(dev, false, false); + mt76x0e_stop_hw(dev); + mt76_dma_cleanup(&dev->mt76); + mt76x02_mcu_cleanup(dev); +} + +static void +mt76x0e_remove(struct pci_dev *pdev) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + + mt76_unregister_device(mdev); + mt76x0e_cleanup(dev); + mt76_free_device(mdev); +} + +#ifdef CONFIG_PM +static int mt76x0e_suspend(struct pci_dev *pdev, pm_message_t state) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + int i; + + mt76_worker_disable(&mdev->tx_worker); + for (i = 0; i < ARRAY_SIZE(mdev->phy.q_tx); i++) + mt76_queue_tx_cleanup(dev, mdev->phy.q_tx[i], true); + for (i = 0; i < ARRAY_SIZE(mdev->q_mcu); i++) + mt76_queue_tx_cleanup(dev, mdev->q_mcu[i], true); + napi_disable(&mdev->tx_napi); + + mt76_for_each_q_rx(mdev, i) + napi_disable(&mdev->napi[i]); + + mt76x02_dma_disable(dev); + mt76x02_mcu_cleanup(dev); + mt76x0_chip_onoff(dev, false, false); + + pci_enable_wake(pdev, pci_choose_state(pdev, state), true); + pci_save_state(pdev); + + return pci_set_power_state(pdev, pci_choose_state(pdev, state)); +} + +static int mt76x0e_resume(struct pci_dev *pdev) +{ + struct mt76_dev *mdev = pci_get_drvdata(pdev); + struct mt76x02_dev *dev = container_of(mdev, struct mt76x02_dev, mt76); + int err, i; + + err = pci_set_power_state(pdev, PCI_D0); + if (err) + return err; + + pci_restore_state(pdev); + + mt76_worker_enable(&mdev->tx_worker); + + local_bh_disable(); + mt76_for_each_q_rx(mdev, i) { + mt76_queue_rx_reset(dev, i); + napi_enable(&mdev->napi[i]); + napi_schedule(&mdev->napi[i]); + } + + napi_enable(&mdev->tx_napi); + napi_schedule(&mdev->tx_napi); + local_bh_enable(); + + return mt76x0e_init_hardware(dev, true); +} +#endif /* CONFIG_PM */ + +static const struct pci_device_id mt76x0e_device_table[] = { + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7610) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7630) }, + { PCI_DEVICE(PCI_VENDOR_ID_MEDIATEK, 0x7650) }, + { }, +}; + +MODULE_DEVICE_TABLE(pci, mt76x0e_device_table); +MODULE_FIRMWARE(MT7610E_FIRMWARE); +MODULE_FIRMWARE(MT7650E_FIRMWARE); +MODULE_LICENSE("Dual BSD/GPL"); + +static struct pci_driver mt76x0e_driver = { + .name = KBUILD_MODNAME, + .id_table = mt76x0e_device_table, + .probe = mt76x0e_probe, + .remove = mt76x0e_remove, +#ifdef CONFIG_PM + .suspend = mt76x0e_suspend, + .resume = mt76x0e_resume, +#endif /* CONFIG_PM */ +}; + +module_pci_driver(mt76x0e_driver); -- cgit v1.2.3