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, 281 insertions, 0 deletions

diff --git a/drivers/crypto/aspeed/aspeed-hace.c b/drivers/crypto/aspeed/aspeed-hace.c
new file mode 100644
index 000000000..d2871e1de
--- /dev/null
+++ b/drivers/crypto/aspeed/aspeed-hace.c
@@ -0,0 +1,281 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2021 Aspeed Technology Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+
+#include "aspeed-hace.h"
+
+#ifdef CONFIG_CRYPTO_DEV_ASPEED_DEBUG
+#define HACE_DBG(d, fmt, ...)	\
+	dev_info((d)->dev, "%s() " fmt, __func__, ##__VA_ARGS__)
+#else
+#define HACE_DBG(d, fmt, ...)	\
+	dev_dbg((d)->dev, "%s() " fmt, __func__, ##__VA_ARGS__)
+#endif
+
+/* HACE interrupt service routine */
+static irqreturn_t aspeed_hace_irq(int irq, void *dev)
+{
+	struct aspeed_hace_dev *hace_dev = (struct aspeed_hace_dev *)dev;
+	struct aspeed_engine_crypto *crypto_engine = &hace_dev->crypto_engine;
+	struct aspeed_engine_hash *hash_engine = &hace_dev->hash_engine;
+	u32 sts;
+
+	sts = ast_hace_read(hace_dev, ASPEED_HACE_STS);
+	ast_hace_write(hace_dev, sts, ASPEED_HACE_STS);
+
+	HACE_DBG(hace_dev, "irq status: 0x%x\n", sts);
+
+	if (sts & HACE_HASH_ISR) {
+		if (hash_engine->flags & CRYPTO_FLAGS_BUSY)
+			tasklet_schedule(&hash_engine->done_task);
+		else
+			dev_warn(hace_dev->dev, "HASH no active requests.\n");
+	}
+
+	if (sts & HACE_CRYPTO_ISR) {
+		if (crypto_engine->flags & CRYPTO_FLAGS_BUSY)
+			tasklet_schedule(&crypto_engine->done_task);
+		else
+			dev_warn(hace_dev->dev, "CRYPTO no active requests.\n");
+	}
+
+	return IRQ_HANDLED;
+}
+
+static void aspeed_hace_crypto_done_task(unsigned long data)
+{
+	struct aspeed_hace_dev *hace_dev = (struct aspeed_hace_dev *)data;
+	struct aspeed_engine_crypto *crypto_engine = &hace_dev->crypto_engine;
+
+	crypto_engine->resume(hace_dev);
+}
+
+static void aspeed_hace_hash_done_task(unsigned long data)
+{
+	struct aspeed_hace_dev *hace_dev = (struct aspeed_hace_dev *)data;
+	struct aspeed_engine_hash *hash_engine = &hace_dev->hash_engine;
+
+	hash_engine->resume(hace_dev);
+}
+
+static void aspeed_hace_register(struct aspeed_hace_dev *hace_dev)
+{
+#ifdef CONFIG_CRYPTO_DEV_ASPEED_HACE_HASH
+	aspeed_register_hace_hash_algs(hace_dev);
+#endif
+#ifdef CONFIG_CRYPTO_DEV_ASPEED_HACE_CRYPTO
+	aspeed_register_hace_crypto_algs(hace_dev);
+#endif
+}
+
+static void aspeed_hace_unregister(struct aspeed_hace_dev *hace_dev)
+{
+#ifdef CONFIG_CRYPTO_DEV_ASPEED_HACE_HASH
+	aspeed_unregister_hace_hash_algs(hace_dev);
+#endif
+#ifdef CONFIG_CRYPTO_DEV_ASPEED_HACE_CRYPTO
+	aspeed_unregister_hace_crypto_algs(hace_dev);
+#endif
+}
+
+static const struct of_device_id aspeed_hace_of_matches[] = {
+	{ .compatible = "aspeed,ast2500-hace", .data = (void *)5, },
+	{ .compatible = "aspeed,ast2600-hace", .data = (void *)6, },
+	{},
+};
+
+static int aspeed_hace_probe(struct platform_device *pdev)
+{
+	struct aspeed_engine_crypto *crypto_engine;
+	const struct of_device_id *hace_dev_id;
+	struct aspeed_engine_hash *hash_engine;
+	struct aspeed_hace_dev *hace_dev;
+	int rc;
+
+	hace_dev = devm_kzalloc(&pdev->dev, sizeof(struct aspeed_hace_dev),
+				GFP_KERNEL);
+	if (!hace_dev)
+		return -ENOMEM;
+
+	hace_dev_id = of_match_device(aspeed_hace_of_matches, &pdev->dev);
+	if (!hace_dev_id) {
+		dev_err(&pdev->dev, "Failed to match hace dev id\n");
+		return -EINVAL;
+	}
+
+	hace_dev->dev = &pdev->dev;
+	hace_dev->version = (unsigned long)hace_dev_id->data;
+	hash_engine = &hace_dev->hash_engine;
+	crypto_engine = &hace_dev->crypto_engine;
+
+	platform_set_drvdata(pdev, hace_dev);
+
+	hace_dev->regs = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
+	if (IS_ERR(hace_dev->regs))
+		return PTR_ERR(hace_dev->regs);
+
+	/* Get irq number and register it */
+	hace_dev->irq = platform_get_irq(pdev, 0);
+	if (hace_dev->irq < 0)
+		return -ENXIO;
+
+	rc = devm_request_irq(&pdev->dev, hace_dev->irq, aspeed_hace_irq, 0,
+			      dev_name(&pdev->dev), hace_dev);
+	if (rc) {
+		dev_err(&pdev->dev, "Failed to request interrupt\n");
+		return rc;
+	}
+
+	/* Get clk and enable it */
+	hace_dev->clk = devm_clk_get(&pdev->dev, NULL);
+	if (IS_ERR(hace_dev->clk)) {
+		dev_err(&pdev->dev, "Failed to get clk\n");
+		return -ENODEV;
+	}
+
+	rc = clk_prepare_enable(hace_dev->clk);
+	if (rc) {
+		dev_err(&pdev->dev, "Failed to enable clock 0x%x\n", rc);
+		return rc;
+	}
+
+	/* Initialize crypto hardware engine structure for hash */
+	hace_dev->crypt_engine_hash = crypto_engine_alloc_init(hace_dev->dev,
+							       true);
+	if (!hace_dev->crypt_engine_hash) {
+		rc = -ENOMEM;
+		goto clk_exit;
+	}
+
+	rc = crypto_engine_start(hace_dev->crypt_engine_hash);
+	if (rc)
+		goto err_engine_hash_start;
+
+	tasklet_init(&hash_engine->done_task, aspeed_hace_hash_done_task,
+		     (unsigned long)hace_dev);
+
+	/* Initialize crypto hardware engine structure for crypto */
+	hace_dev->crypt_engine_crypto = crypto_engine_alloc_init(hace_dev->dev,
+								 true);
+	if (!hace_dev->crypt_engine_crypto) {
+		rc = -ENOMEM;
+		goto err_engine_hash_start;
+	}
+
+	rc = crypto_engine_start(hace_dev->crypt_engine_crypto);
+	if (rc)
+		goto err_engine_crypto_start;
+
+	tasklet_init(&crypto_engine->done_task, aspeed_hace_crypto_done_task,
+		     (unsigned long)hace_dev);
+
+	/* Allocate DMA buffer for hash engine input used */
+	hash_engine->ahash_src_addr =
+		dmam_alloc_coherent(&pdev->dev,
+				    ASPEED_HASH_SRC_DMA_BUF_LEN,
+				    &hash_engine->ahash_src_dma_addr,
+				    GFP_KERNEL);
+	if (!hash_engine->ahash_src_addr) {
+		dev_err(&pdev->dev, "Failed to allocate dma buffer\n");
+		rc = -ENOMEM;
+		goto err_engine_crypto_start;
+	}
+
+	/* Allocate DMA buffer for crypto engine context used */
+	crypto_engine->cipher_ctx =
+		dmam_alloc_coherent(&pdev->dev,
+				    PAGE_SIZE,
+				    &crypto_engine->cipher_ctx_dma,
+				    GFP_KERNEL);
+	if (!crypto_engine->cipher_ctx) {
+		dev_err(&pdev->dev, "Failed to allocate cipher ctx dma\n");
+		rc = -ENOMEM;
+		goto err_engine_crypto_start;
+	}
+
+	/* Allocate DMA buffer for crypto engine input used */
+	crypto_engine->cipher_addr =
+		dmam_alloc_coherent(&pdev->dev,
+				    ASPEED_CRYPTO_SRC_DMA_BUF_LEN,
+				    &crypto_engine->cipher_dma_addr,
+				    GFP_KERNEL);
+	if (!crypto_engine->cipher_addr) {
+		dev_err(&pdev->dev, "Failed to allocate cipher addr dma\n");
+		rc = -ENOMEM;
+		goto err_engine_crypto_start;
+	}
+
+	/* Allocate DMA buffer for crypto engine output used */
+	if (hace_dev->version == AST2600_VERSION) {
+		crypto_engine->dst_sg_addr =
+			dmam_alloc_coherent(&pdev->dev,
+					    ASPEED_CRYPTO_DST_DMA_BUF_LEN,
+					    &crypto_engine->dst_sg_dma_addr,
+					    GFP_KERNEL);
+		if (!crypto_engine->dst_sg_addr) {
+			dev_err(&pdev->dev, "Failed to allocate dst_sg dma\n");
+			rc = -ENOMEM;
+			goto err_engine_crypto_start;
+		}
+	}
+
+	aspeed_hace_register(hace_dev);
+
+	dev_info(&pdev->dev, "Aspeed Crypto Accelerator successfully registered\n");
+
+	return 0;
+
+err_engine_crypto_start:
+	crypto_engine_exit(hace_dev->crypt_engine_crypto);
+err_engine_hash_start:
+	crypto_engine_exit(hace_dev->crypt_engine_hash);
+clk_exit:
+	clk_disable_unprepare(hace_dev->clk);
+
+	return rc;
+}
+
+static int aspeed_hace_remove(struct platform_device *pdev)
+{
+	struct aspeed_hace_dev *hace_dev = platform_get_drvdata(pdev);
+	struct aspeed_engine_crypto *crypto_engine = &hace_dev->crypto_engine;
+	struct aspeed_engine_hash *hash_engine = &hace_dev->hash_engine;
+
+	aspeed_hace_unregister(hace_dev);
+
+	crypto_engine_exit(hace_dev->crypt_engine_hash);
+	crypto_engine_exit(hace_dev->crypt_engine_crypto);
+
+	tasklet_kill(&hash_engine->done_task);
+	tasklet_kill(&crypto_engine->done_task);
+
+	clk_disable_unprepare(hace_dev->clk);
+
+	return 0;
+}
+
+MODULE_DEVICE_TABLE(of, aspeed_hace_of_matches);
+
+static struct platform_driver aspeed_hace_driver = {
+	.probe		= aspeed_hace_probe,
+	.remove		= aspeed_hace_remove,
+	.driver         = {
+		.name   = KBUILD_MODNAME,
+		.of_match_table = aspeed_hace_of_matches,
+	},
+};
+
+module_platform_driver(aspeed_hace_driver);
+
+MODULE_AUTHOR("Neal Liu <neal_liu@aspeedtech.com>");
+MODULE_DESCRIPTION("Aspeed HACE driver Crypto Accelerator");
+MODULE_LICENSE("GPL");