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, 345 insertions, 0 deletions

diff --git a/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
new file mode 100644
index 000000000..76160e5d4
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-seiko-43wvf1g.c
@@ -0,0 +1,345 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2017 NXP Semiconductors.
+ * Author: Marco Franchi <marco.franchi@nxp.com>
+ *
+ * Based on Panel Simple driver by Thierry Reding <treding@nvidia.com>
+ */
+
+#include <linux/delay.h>
+#include <linux/media-bus-format.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/display_timing.h>
+#include <video/videomode.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_device.h>
+#include <drm/drm_panel.h>
+
+struct seiko_panel_desc {
+	const struct drm_display_mode *modes;
+	unsigned int num_modes;
+	const struct display_timing *timings;
+	unsigned int num_timings;
+
+	unsigned int bpc;
+
+	/**
+	 * @width: width (in millimeters) of the panel's active display area
+	 * @height: height (in millimeters) of the panel's active display area
+	 */
+	struct {
+		unsigned int width;
+		unsigned int height;
+	} size;
+
+	u32 bus_format;
+	u32 bus_flags;
+};
+
+struct seiko_panel {
+	struct drm_panel base;
+	bool prepared;
+	bool enabled;
+	const struct seiko_panel_desc *desc;
+	struct regulator *dvdd;
+	struct regulator *avdd;
+};
+
+static inline struct seiko_panel *to_seiko_panel(struct drm_panel *panel)
+{
+	return container_of(panel, struct seiko_panel, base);
+}
+
+static int seiko_panel_get_fixed_modes(struct seiko_panel *panel,
+				       struct drm_connector *connector)
+{
+	struct drm_display_mode *mode;
+	unsigned int i, num = 0;
+
+	if (!panel->desc)
+		return 0;
+
+	for (i = 0; i < panel->desc->num_timings; i++) {
+		const struct display_timing *dt = &panel->desc->timings[i];
+		struct videomode vm;
+
+		videomode_from_timing(dt, &vm);
+		mode = drm_mode_create(connector->dev);
+		if (!mode) {
+			dev_err(panel->base.dev, "failed to add mode %ux%u\n",
+				dt->hactive.typ, dt->vactive.typ);
+			continue;
+		}
+
+		drm_display_mode_from_videomode(&vm, mode);
+
+		mode->type |= DRM_MODE_TYPE_DRIVER;
+
+		if (panel->desc->num_timings == 1)
+			mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+		drm_mode_probed_add(connector, mode);
+		num++;
+	}
+
+	for (i = 0; i < panel->desc->num_modes; i++) {
+		const struct drm_display_mode *m = &panel->desc->modes[i];
+
+		mode = drm_mode_duplicate(connector->dev, m);
+		if (!mode) {
+			dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n",
+				m->hdisplay, m->vdisplay,
+				drm_mode_vrefresh(m));
+			continue;
+		}
+
+		mode->type |= DRM_MODE_TYPE_DRIVER;
+
+		if (panel->desc->num_modes == 1)
+			mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+		drm_mode_set_name(mode);
+
+		drm_mode_probed_add(connector, mode);
+		num++;
+	}
+
+	connector->display_info.bpc = panel->desc->bpc;
+	connector->display_info.width_mm = panel->desc->size.width;
+	connector->display_info.height_mm = panel->desc->size.height;
+	if (panel->desc->bus_format)
+		drm_display_info_set_bus_formats(&connector->display_info,
+						 &panel->desc->bus_format, 1);
+	connector->display_info.bus_flags = panel->desc->bus_flags;
+
+	return num;
+}
+
+static int seiko_panel_disable(struct drm_panel *panel)
+{
+	struct seiko_panel *p = to_seiko_panel(panel);
+
+	if (!p->enabled)
+		return 0;
+
+	p->enabled = false;
+
+	return 0;
+}
+
+static int seiko_panel_unprepare(struct drm_panel *panel)
+{
+	struct seiko_panel *p = to_seiko_panel(panel);
+
+	if (!p->prepared)
+		return 0;
+
+	regulator_disable(p->avdd);
+
+	/* Add a 100ms delay as per the panel datasheet */
+	msleep(100);
+
+	regulator_disable(p->dvdd);
+
+	p->prepared = false;
+
+	return 0;
+}
+
+static int seiko_panel_prepare(struct drm_panel *panel)
+{
+	struct seiko_panel *p = to_seiko_panel(panel);
+	int err;
+
+	if (p->prepared)
+		return 0;
+
+	err = regulator_enable(p->dvdd);
+	if (err < 0) {
+		dev_err(panel->dev, "failed to enable dvdd: %d\n", err);
+		return err;
+	}
+
+	/* Add a 100ms delay as per the panel datasheet */
+	msleep(100);
+
+	err = regulator_enable(p->avdd);
+	if (err < 0) {
+		dev_err(panel->dev, "failed to enable avdd: %d\n", err);
+		goto disable_dvdd;
+	}
+
+	p->prepared = true;
+
+	return 0;
+
+disable_dvdd:
+	regulator_disable(p->dvdd);
+	return err;
+}
+
+static int seiko_panel_enable(struct drm_panel *panel)
+{
+	struct seiko_panel *p = to_seiko_panel(panel);
+
+	if (p->enabled)
+		return 0;
+
+	p->enabled = true;
+
+	return 0;
+}
+
+static int seiko_panel_get_modes(struct drm_panel *panel,
+				 struct drm_connector *connector)
+{
+	struct seiko_panel *p = to_seiko_panel(panel);
+
+	/* add hard-coded panel modes */
+	return seiko_panel_get_fixed_modes(p, connector);
+}
+
+static int seiko_panel_get_timings(struct drm_panel *panel,
+				    unsigned int num_timings,
+				    struct display_timing *timings)
+{
+	struct seiko_panel *p = to_seiko_panel(panel);
+	unsigned int i;
+
+	if (p->desc->num_timings < num_timings)
+		num_timings = p->desc->num_timings;
+
+	if (timings)
+		for (i = 0; i < num_timings; i++)
+			timings[i] = p->desc->timings[i];
+
+	return p->desc->num_timings;
+}
+
+static const struct drm_panel_funcs seiko_panel_funcs = {
+	.disable = seiko_panel_disable,
+	.unprepare = seiko_panel_unprepare,
+	.prepare = seiko_panel_prepare,
+	.enable = seiko_panel_enable,
+	.get_modes = seiko_panel_get_modes,
+	.get_timings = seiko_panel_get_timings,
+};
+
+static int seiko_panel_probe(struct device *dev,
+					const struct seiko_panel_desc *desc)
+{
+	struct seiko_panel *panel;
+	int err;
+
+	panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
+	if (!panel)
+		return -ENOMEM;
+
+	panel->enabled = false;
+	panel->prepared = false;
+	panel->desc = desc;
+
+	panel->dvdd = devm_regulator_get(dev, "dvdd");
+	if (IS_ERR(panel->dvdd))
+		return PTR_ERR(panel->dvdd);
+
+	panel->avdd = devm_regulator_get(dev, "avdd");
+	if (IS_ERR(panel->avdd))
+		return PTR_ERR(panel->avdd);
+
+	drm_panel_init(&panel->base, dev, &seiko_panel_funcs,
+		       DRM_MODE_CONNECTOR_DPI);
+
+	err = drm_panel_of_backlight(&panel->base);
+	if (err)
+		return err;
+
+	drm_panel_add(&panel->base);
+
+	dev_set_drvdata(dev, panel);
+
+	return 0;
+}
+
+static int seiko_panel_remove(struct platform_device *pdev)
+{
+	struct seiko_panel *panel = platform_get_drvdata(pdev);
+
+	drm_panel_remove(&panel->base);
+	drm_panel_disable(&panel->base);
+
+	return 0;
+}
+
+static void seiko_panel_shutdown(struct platform_device *pdev)
+{
+	struct seiko_panel *panel = platform_get_drvdata(pdev);
+
+	drm_panel_disable(&panel->base);
+}
+
+static const struct display_timing seiko_43wvf1g_timing = {
+	.pixelclock = { 33500000, 33500000, 33500000 },
+	.hactive = { 800, 800, 800 },
+	.hfront_porch = {  164, 164, 164 },
+	.hback_porch = { 89, 89, 89 },
+	.hsync_len = { 10, 10, 10 },
+	.vactive = { 480, 480, 480 },
+	.vfront_porch = { 10, 10, 10 },
+	.vback_porch = { 23, 23, 23 },
+	.vsync_len = { 10, 10, 10 },
+	.flags = DISPLAY_FLAGS_DE_LOW,
+};
+
+static const struct seiko_panel_desc seiko_43wvf1g = {
+	.timings = &seiko_43wvf1g_timing,
+	.num_timings = 1,
+	.bpc = 8,
+	.size = {
+		.width = 93,
+		.height = 57,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_DRIVE_NEGEDGE,
+};
+
+static const struct of_device_id platform_of_match[] = {
+	{
+		.compatible = "sii,43wvf1g",
+		.data = &seiko_43wvf1g,
+	}, {
+		/* sentinel */
+	}
+};
+MODULE_DEVICE_TABLE(of, platform_of_match);
+
+static int seiko_panel_platform_probe(struct platform_device *pdev)
+{
+	const struct of_device_id *id;
+
+	id = of_match_node(platform_of_match, pdev->dev.of_node);
+	if (!id)
+		return -ENODEV;
+
+	return seiko_panel_probe(&pdev->dev, id->data);
+}
+
+static struct platform_driver seiko_panel_platform_driver = {
+	.driver = {
+		.name = "seiko_panel",
+		.of_match_table = platform_of_match,
+	},
+	.probe = seiko_panel_platform_probe,
+	.remove = seiko_panel_remove,
+	.shutdown = seiko_panel_shutdown,
+};
+module_platform_driver(seiko_panel_platform_driver);
+
+MODULE_AUTHOR("Marco Franchi <marco.franchi@nxp.com>");
+MODULE_DESCRIPTION("Seiko 43WVF1G panel driver");
+MODULE_LICENSE("GPL v2");