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(). ... --- tools/thermal/thermal-engine/Build | 1 + tools/thermal/thermal-engine/Makefile | 28 +++ tools/thermal/thermal-engine/thermal-engine.c | 341 ++++++++++++++++++++++++++ 3 files changed, 370 insertions(+) create mode 100644 tools/thermal/thermal-engine/Build create mode 100644 tools/thermal/thermal-engine/Makefile create mode 100644 tools/thermal/thermal-engine/thermal-engine.c (limited to 'tools/thermal/thermal-engine') diff --git a/tools/thermal/thermal-engine/Build b/tools/thermal/thermal-engine/Build new file mode 100644 index 000000000..20c3c478b --- /dev/null +++ b/tools/thermal/thermal-engine/Build @@ -0,0 +1 @@ +thermal-engine-y += thermal-engine.o diff --git a/tools/thermal/thermal-engine/Makefile b/tools/thermal/thermal-engine/Makefile new file mode 100644 index 000000000..6bd05ff89 --- /dev/null +++ b/tools/thermal/thermal-engine/Makefile @@ -0,0 +1,28 @@ +# SPDX-License-Identifier: GPL-2.0 +# Makefile for thermal tools + +ifeq ($(srctree),) +srctree := $(patsubst %/,%,$(dir $(CURDIR))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +srctree := $(patsubst %/,%,$(dir $(srctree))) +# $(info Determined 'srctree' to be $(srctree)) +endif + +CFLAGS = -Wall -Wextra +CFLAGS += -I$(srctree)/tools/thermal/lib +CFLAGS += -I$(srctree)/tools/lib/thermal/include + +LDFLAGS = -L$(srctree)/tools/thermal/lib +LDFLAGS += -L$(srctree)/tools/lib/thermal +LDFLAGS += -lthermal_tools +LDFLAGS += -lthermal +LDFLAGS += -lconfig +LDFLAGS += -lnl-genl-3 -lnl-3 + +VERSION = 0.0.1 + +all: thermal-engine +%: %.c + $(CC) $(CFLAGS) -D VERSION=\"$(VERSION)\" -o $@ $^ $(LDFLAGS) +clean: + $(RM) thermal-engine diff --git a/tools/thermal/thermal-engine/thermal-engine.c b/tools/thermal/thermal-engine/thermal-engine.c new file mode 100644 index 000000000..9b1476a26 --- /dev/null +++ b/tools/thermal/thermal-engine/thermal-engine.c @@ -0,0 +1,341 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Thermal monitoring tool based on the thermal netlink events. + * + * Copyright (C) 2022 Linaro Ltd. + * + * Author: Daniel Lezcano + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include + +#include +#include "thermal-tools.h" + +struct options { + int loglevel; + int logopt; + int interactive; + int daemonize; +}; + +struct thermal_data { + struct thermal_zone *tz; + struct thermal_handler *th; +}; + +static int show_trip(struct thermal_trip *tt, __maybe_unused void *arg) +{ + INFO("trip id=%d, type=%d, temp=%d, hyst=%d\n", + tt->id, tt->type, tt->temp, tt->hyst); + + return 0; +} + +static int show_temp(struct thermal_zone *tz, __maybe_unused void *arg) +{ + thermal_cmd_get_temp(arg, tz); + + INFO("temperature: %d\n", tz->temp); + + return 0; +} + +static int show_governor(struct thermal_zone *tz, __maybe_unused void *arg) +{ + thermal_cmd_get_governor(arg, tz); + + INFO("governor: '%s'\n", tz->governor); + + return 0; +} + +static int show_tz(struct thermal_zone *tz, __maybe_unused void *arg) +{ + INFO("thermal zone '%s', id=%d\n", tz->name, tz->id); + + for_each_thermal_trip(tz->trip, show_trip, NULL); + + show_temp(tz, arg); + + show_governor(tz, arg); + + return 0; +} + +static int tz_create(const char *name, int tz_id, __maybe_unused void *arg) +{ + INFO("Thermal zone '%s'/%d created\n", name, tz_id); + + return 0; +} + +static int tz_delete(int tz_id, __maybe_unused void *arg) +{ + INFO("Thermal zone %d deleted\n", tz_id); + + return 0; +} + +static int tz_disable(int tz_id, void *arg) +{ + struct thermal_data *td = arg; + struct thermal_zone *tz = thermal_zone_find_by_id(td->tz, tz_id); + + INFO("Thermal zone %d ('%s') disabled\n", tz_id, tz->name); + + return 0; +} + +static int tz_enable(int tz_id, void *arg) +{ + struct thermal_data *td = arg; + struct thermal_zone *tz = thermal_zone_find_by_id(td->tz, tz_id); + + INFO("Thermal zone %d ('%s') enabled\n", tz_id, tz->name); + + return 0; +} + +static int trip_high(int tz_id, int trip_id, int temp, void *arg) +{ + struct thermal_data *td = arg; + struct thermal_zone *tz = thermal_zone_find_by_id(td->tz, tz_id); + + INFO("Thermal zone %d ('%s'): trip point %d crossed way up with %d °C\n", + tz_id, tz->name, trip_id, temp); + + return 0; +} + +static int trip_low(int tz_id, int trip_id, int temp, void *arg) +{ + struct thermal_data *td = arg; + struct thermal_zone *tz = thermal_zone_find_by_id(td->tz, tz_id); + + INFO("Thermal zone %d ('%s'): trip point %d crossed way down with %d °C\n", + tz_id, tz->name, trip_id, temp); + + return 0; +} + +static int trip_add(int tz_id, int trip_id, int type, int temp, int hyst, __maybe_unused void *arg) +{ + INFO("Trip point added %d: id=%d, type=%d, temp=%d, hyst=%d\n", + tz_id, trip_id, type, temp, hyst); + + return 0; +} + +static int trip_delete(int tz_id, int trip_id, __maybe_unused void *arg) +{ + INFO("Trip point deleted %d: id=%d\n", tz_id, trip_id); + + return 0; +} + +static int trip_change(int tz_id, int trip_id, int type, int temp, + int hyst, __maybe_unused void *arg) +{ + struct thermal_data *td = arg; + struct thermal_zone *tz = thermal_zone_find_by_id(td->tz, tz_id); + + INFO("Trip point changed %d: id=%d, type=%d, temp=%d, hyst=%d\n", + tz_id, trip_id, type, temp, hyst); + + tz->trip[trip_id].type = type; + tz->trip[trip_id].temp = temp; + tz->trip[trip_id].hyst = hyst; + + return 0; +} + +static int cdev_add(const char *name, int cdev_id, int max_state, __maybe_unused void *arg) +{ + INFO("Cooling device '%s'/%d (max state=%d) added\n", name, cdev_id, max_state); + + return 0; +} + +static int cdev_delete(int cdev_id, __maybe_unused void *arg) +{ + INFO("Cooling device %d deleted", cdev_id); + + return 0; +} + +static int cdev_update(int cdev_id, int cur_state, __maybe_unused void *arg) +{ + INFO("cdev:%d state:%d\n", cdev_id, cur_state); + + return 0; +} + +static int gov_change(int tz_id, const char *name, __maybe_unused void *arg) +{ + struct thermal_data *td = arg; + struct thermal_zone *tz = thermal_zone_find_by_id(td->tz, tz_id); + + INFO("%s: governor changed %s -> %s\n", tz->name, tz->governor, name); + + strcpy(tz->governor, name); + + return 0; +} + +static struct thermal_ops ops = { + .events.tz_create = tz_create, + .events.tz_delete = tz_delete, + .events.tz_disable = tz_disable, + .events.tz_enable = tz_enable, + .events.trip_high = trip_high, + .events.trip_low = trip_low, + .events.trip_add = trip_add, + .events.trip_delete = trip_delete, + .events.trip_change = trip_change, + .events.cdev_add = cdev_add, + .events.cdev_delete = cdev_delete, + .events.cdev_update = cdev_update, + .events.gov_change = gov_change +}; + +static int thermal_event(__maybe_unused int fd, __maybe_unused void *arg) +{ + struct thermal_data *td = arg; + + return thermal_events_handle(td->th, td); +} + +static void usage(const char *cmd) +{ + printf("%s : A thermal monitoring engine based on notifications\n", cmd); + printf("Usage: %s [options]\n", cmd); + printf("\t-h, --help\t\tthis help\n"); + printf("\t-d, --daemonize\n"); + printf("\t-l , --loglevel \tlog level: "); + printf("DEBUG, INFO, NOTICE, WARN, ERROR\n"); + printf("\t-s, --syslog\t\toutput to syslog\n"); + printf("\n"); + exit(0); +} + +static int options_init(int argc, char *argv[], struct options *options) +{ + int opt; + + struct option long_options[] = { + { "help", no_argument, NULL, 'h' }, + { "daemonize", no_argument, NULL, 'd' }, + { "syslog", no_argument, NULL, 's' }, + { "loglevel", required_argument, NULL, 'l' }, + { 0, 0, 0, 0 } + }; + + while (1) { + + int optindex = 0; + + opt = getopt_long(argc, argv, "l:dhs", long_options, &optindex); + if (opt == -1) + break; + + switch (opt) { + case 'l': + options->loglevel = log_str2level(optarg); + break; + case 'd': + options->daemonize = 1; + break; + case 's': + options->logopt = TO_SYSLOG; + break; + case 'h': + usage(basename(argv[0])); + break; + default: /* '?' */ + return -1; + } + } + + return 0; +} + +enum { + THERMAL_ENGINE_SUCCESS = 0, + THERMAL_ENGINE_OPTION_ERROR, + THERMAL_ENGINE_DAEMON_ERROR, + THERMAL_ENGINE_LOG_ERROR, + THERMAL_ENGINE_THERMAL_ERROR, + THERMAL_ENGINE_MAINLOOP_ERROR, +}; + +int main(int argc, char *argv[]) +{ + struct thermal_data td; + struct options options = { + .loglevel = LOG_INFO, + .logopt = TO_STDOUT, + }; + + if (options_init(argc, argv, &options)) { + ERROR("Usage: %s --help\n", argv[0]); + return THERMAL_ENGINE_OPTION_ERROR; + } + + if (options.daemonize && daemon(0, 0)) { + ERROR("Failed to daemonize: %p\n"); + return THERMAL_ENGINE_DAEMON_ERROR; + } + + if (log_init(options.loglevel, basename(argv[0]), options.logopt)) { + ERROR("Failed to initialize logging facility\n"); + return THERMAL_ENGINE_LOG_ERROR; + } + + td.th = thermal_init(&ops); + if (!td.th) { + ERROR("Failed to initialize the thermal library\n"); + return THERMAL_ENGINE_THERMAL_ERROR; + } + + td.tz = thermal_zone_discover(td.th); + if (!td.tz) { + ERROR("No thermal zone available\n"); + return THERMAL_ENGINE_THERMAL_ERROR; + } + + for_each_thermal_zone(td.tz, show_tz, td.th); + + if (mainloop_init()) { + ERROR("Failed to initialize the mainloop\n"); + return THERMAL_ENGINE_MAINLOOP_ERROR; + } + + if (mainloop_add(thermal_events_fd(td.th), thermal_event, &td)) { + ERROR("Failed to setup the mainloop\n"); + return THERMAL_ENGINE_MAINLOOP_ERROR; + } + + INFO("Waiting for thermal events ...\n"); + + if (mainloop(-1)) { + ERROR("Mainloop failed\n"); + return THERMAL_ENGINE_MAINLOOP_ERROR; + } + + return THERMAL_ENGINE_SUCCESS; +} -- cgit v1.2.3