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, 362 insertions, 0 deletions

diff --git a/drivers/crypto/qat/qat_common/adf_admin.c b/drivers/crypto/qat/qat_common/adf_admin.c
new file mode 100644
index 000000000..3b6184c35
--- /dev/null
+++ b/drivers/crypto/qat/qat_common/adf_admin.c
@@ -0,0 +1,362 @@
+// SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only)
+/* Copyright(c) 2014 - 2020 Intel Corporation */
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/slab.h>
+#include <linux/iopoll.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include "adf_accel_devices.h"
+#include "adf_common_drv.h"
+#include "icp_qat_fw_init_admin.h"
+
+#define ADF_ADMIN_MAILBOX_STRIDE 0x1000
+#define ADF_ADMINMSG_LEN 32
+#define ADF_CONST_TABLE_SIZE 1024
+#define ADF_ADMIN_POLL_DELAY_US 20
+#define ADF_ADMIN_POLL_TIMEOUT_US (5 * USEC_PER_SEC)
+
+static const u8 const_tab[1024] __aligned(1024) = {
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+0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
+
+struct adf_admin_comms {
+	dma_addr_t phy_addr;
+	dma_addr_t const_tbl_addr;
+	void *virt_addr;
+	void *virt_tbl_addr;
+	void __iomem *mailbox_addr;
+	struct mutex lock;	/* protects adf_admin_comms struct */
+};
+
+static int adf_put_admin_msg_sync(struct adf_accel_dev *accel_dev, u32 ae,
+				  void *in, void *out)
+{
+	int ret;
+	u32 status;
+	struct adf_admin_comms *admin = accel_dev->admin;
+	int offset = ae * ADF_ADMINMSG_LEN * 2;
+	void __iomem *mailbox = admin->mailbox_addr;
+	int mb_offset = ae * ADF_ADMIN_MAILBOX_STRIDE;
+	struct icp_qat_fw_init_admin_req *request = in;
+
+	mutex_lock(&admin->lock);
+
+	if (ADF_CSR_RD(mailbox, mb_offset) == 1) {
+		mutex_unlock(&admin->lock);
+		return -EAGAIN;
+	}
+
+	memcpy(admin->virt_addr + offset, in, ADF_ADMINMSG_LEN);
+	ADF_CSR_WR(mailbox, mb_offset, 1);
+
+	ret = read_poll_timeout(ADF_CSR_RD, status, status == 0,
+				ADF_ADMIN_POLL_DELAY_US,
+				ADF_ADMIN_POLL_TIMEOUT_US, true,
+				mailbox, mb_offset);
+	if (ret < 0) {
+		/* Response timeout */
+		dev_err(&GET_DEV(accel_dev),
+			"Failed to send admin msg %d to accelerator %d\n",
+			request->cmd_id, ae);
+	} else {
+		/* Response received from admin message, we can now
+		 * make response data available in "out" parameter.
+		 */
+		memcpy(out, admin->virt_addr + offset +
+		       ADF_ADMINMSG_LEN, ADF_ADMINMSG_LEN);
+	}
+
+	mutex_unlock(&admin->lock);
+	return ret;
+}
+
+static int adf_send_admin(struct adf_accel_dev *accel_dev,
+			  struct icp_qat_fw_init_admin_req *req,
+			  struct icp_qat_fw_init_admin_resp *resp,
+			  const unsigned long ae_mask)
+{
+	u32 ae;
+
+	for_each_set_bit(ae, &ae_mask, ICP_QAT_HW_AE_DELIMITER)
+		if (adf_put_admin_msg_sync(accel_dev, ae, req, resp) ||
+		    resp->status)
+			return -EFAULT;
+
+	return 0;
+}
+
+static int adf_init_ae(struct adf_accel_dev *accel_dev)
+{
+	struct icp_qat_fw_init_admin_req req;
+	struct icp_qat_fw_init_admin_resp resp;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	u32 ae_mask = hw_device->ae_mask;
+
+	memset(&req, 0, sizeof(req));
+	memset(&resp, 0, sizeof(resp));
+	req.cmd_id = ICP_QAT_FW_INIT_AE;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+static int adf_set_fw_constants(struct adf_accel_dev *accel_dev)
+{
+	struct icp_qat_fw_init_admin_req req;
+	struct icp_qat_fw_init_admin_resp resp;
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	u32 ae_mask = hw_device->admin_ae_mask ?: hw_device->ae_mask;
+
+	memset(&req, 0, sizeof(req));
+	memset(&resp, 0, sizeof(resp));
+	req.cmd_id = ICP_QAT_FW_CONSTANTS_CFG;
+
+	req.init_cfg_sz = ADF_CONST_TABLE_SIZE;
+	req.init_cfg_ptr = accel_dev->admin->const_tbl_addr;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
+static int adf_get_dc_capabilities(struct adf_accel_dev *accel_dev,
+				   u32 *capabilities)
+{
+	struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+	struct icp_qat_fw_init_admin_resp resp;
+	struct icp_qat_fw_init_admin_req req;
+	unsigned long ae_mask;
+	unsigned long ae;
+	int ret;
+
+	/* Target only service accelerator engines */
+	ae_mask = hw_device->ae_mask & ~hw_device->admin_ae_mask;
+
+	memset(&req, 0, sizeof(req));
+	memset(&resp, 0, sizeof(resp));
+	req.cmd_id = ICP_QAT_FW_COMP_CAPABILITY_GET;
+
+	*capabilities = 0;
+	for_each_set_bit(ae, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {
+		ret = adf_send_admin(accel_dev, &req, &resp, 1ULL << ae);
+		if (ret)
+			return ret;
+
+		*capabilities |= resp.extended_features;
+	}
+
+	return 0;
+}
+
+/**
+ * adf_send_admin_init() - Function sends init message to FW
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Function sends admin init message to the FW
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_send_admin_init(struct adf_accel_dev *accel_dev)
+{
+	u32 dc_capabilities = 0;
+	int ret;
+
+	ret = adf_get_dc_capabilities(accel_dev, &dc_capabilities);
+	if (ret) {
+		dev_err(&GET_DEV(accel_dev), "Cannot get dc capabilities\n");
+		return ret;
+	}
+	accel_dev->hw_device->extended_dc_capabilities = dc_capabilities;
+
+	ret = adf_set_fw_constants(accel_dev);
+	if (ret)
+		return ret;
+
+	return adf_init_ae(accel_dev);
+}
+EXPORT_SYMBOL_GPL(adf_send_admin_init);
+
+/**
+ * adf_init_admin_pm() - Function sends PM init message to FW
+ * @accel_dev: Pointer to acceleration device.
+ * @idle_delay: QAT HW idle time before power gating is initiated.
+ *		000 - 64us
+ *		001 - 128us
+ *		010 - 256us
+ *		011 - 512us
+ *		100 - 1ms
+ *		101 - 2ms
+ *		110 - 4ms
+ *		111 - 8ms
+ *
+ * Function sends to the FW the admin init message for the PM state
+ * configuration.
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int adf_init_admin_pm(struct adf_accel_dev *accel_dev, u32 idle_delay)
+{
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	struct icp_qat_fw_init_admin_resp resp = {0};
+	struct icp_qat_fw_init_admin_req req = {0};
+	u32 ae_mask = hw_data->admin_ae_mask;
+
+	if (!accel_dev->admin) {
+		dev_err(&GET_DEV(accel_dev), "adf_admin is not available\n");
+		return -EFAULT;
+	}
+
+	req.cmd_id = ICP_QAT_FW_PM_STATE_CONFIG;
+	req.idle_filter = idle_delay;
+
+	return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+EXPORT_SYMBOL_GPL(adf_init_admin_pm);
+
+int adf_init_admin_comms(struct adf_accel_dev *accel_dev)
+{
+	struct adf_admin_comms *admin;
+	struct adf_hw_device_data *hw_data = accel_dev->hw_device;
+	void __iomem *pmisc_addr = adf_get_pmisc_base(accel_dev);
+	struct admin_info admin_csrs_info;
+	u32 mailbox_offset, adminmsg_u, adminmsg_l;
+	void __iomem *mailbox;
+	u64 reg_val;
+
+	admin = kzalloc_node(sizeof(*accel_dev->admin), GFP_KERNEL,
+			     dev_to_node(&GET_DEV(accel_dev)));
+	if (!admin)
+		return -ENOMEM;
+	admin->virt_addr = dma_alloc_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+					      &admin->phy_addr, GFP_KERNEL);
+	if (!admin->virt_addr) {
+		dev_err(&GET_DEV(accel_dev), "Failed to allocate dma buff\n");
+		kfree(admin);
+		return -ENOMEM;
+	}
+
+	admin->virt_tbl_addr = dma_alloc_coherent(&GET_DEV(accel_dev),
+						  PAGE_SIZE,
+						  &admin->const_tbl_addr,
+						  GFP_KERNEL);
+	if (!admin->virt_tbl_addr) {
+		dev_err(&GET_DEV(accel_dev), "Failed to allocate const_tbl\n");
+		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+				  admin->virt_addr, admin->phy_addr);
+		kfree(admin);
+		return -ENOMEM;
+	}
+
+	memcpy(admin->virt_tbl_addr, const_tab, sizeof(const_tab));
+	hw_data->get_admin_info(&admin_csrs_info);
+
+	mailbox_offset = admin_csrs_info.mailbox_offset;
+	mailbox = pmisc_addr + mailbox_offset;
+	adminmsg_u = admin_csrs_info.admin_msg_ur;
+	adminmsg_l = admin_csrs_info.admin_msg_lr;
+
+	reg_val = (u64)admin->phy_addr;
+	ADF_CSR_WR(pmisc_addr, adminmsg_u, upper_32_bits(reg_val));
+	ADF_CSR_WR(pmisc_addr, adminmsg_l, lower_32_bits(reg_val));
+
+	mutex_init(&admin->lock);
+	admin->mailbox_addr = mailbox;
+	accel_dev->admin = admin;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(adf_init_admin_comms);
+
+void adf_exit_admin_comms(struct adf_accel_dev *accel_dev)
+{
+	struct adf_admin_comms *admin = accel_dev->admin;
+
+	if (!admin)
+		return;
+
+	if (admin->virt_addr)
+		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+				  admin->virt_addr, admin->phy_addr);
+	if (admin->virt_tbl_addr)
+		dma_free_coherent(&GET_DEV(accel_dev), PAGE_SIZE,
+				  admin->virt_tbl_addr, admin->const_tbl_addr);
+
+	mutex_destroy(&admin->lock);
+	kfree(admin);
+	accel_dev->admin = NULL;
+}
+EXPORT_SYMBOL_GPL(adf_exit_admin_comms);