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, 226 insertions, 0 deletions

diff --git a/tools/testing/selftests/drivers/sdsi/sdsi_test.py b/tools/testing/selftests/drivers/sdsi/sdsi_test.py
new file mode 100644
index 000000000..5efb29fee
--- /dev/null
+++ b/tools/testing/selftests/drivers/sdsi/sdsi_test.py
@@ -0,0 +1,226 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: GPL-2.0
+
+from struct import pack
+from time import sleep
+
+import errno
+import glob
+import os
+import subprocess
+
+try:
+    import pytest
+except ImportError:
+    print("Unable to import pytest python module.")
+    print("\nIf not already installed, you may do so with:")
+    print("\t\tpip3 install pytest")
+    exit(1)
+
+SOCKETS = glob.glob('/sys/bus/auxiliary/devices/intel_vsec.sdsi.*')
+NUM_SOCKETS = len(SOCKETS)
+
+MODULE_NAME = 'intel_sdsi'
+DEV_PREFIX = 'intel_vsec.sdsi'
+CLASS_DIR = '/sys/bus/auxiliary/devices'
+GUID = "0x6dd191"
+
+def read_bin_file(file):
+    with open(file, mode='rb') as f:
+        content = f.read()
+    return content
+
+def get_dev_file_path(socket, file):
+    return CLASS_DIR + '/' + DEV_PREFIX + '.' + str(socket) + '/' + file
+
+def kmemleak_enabled():
+    kmemleak = "/sys/kernel/debug/kmemleak"
+    return os.path.isfile(kmemleak)
+
+class TestSDSiDriver:
+    def test_driver_loaded(self):
+        lsmod_p = subprocess.Popen(('lsmod'), stdout=subprocess.PIPE)
+        result = subprocess.check_output(('grep', '-q', MODULE_NAME), stdin=lsmod_p.stdout)
+
+@pytest.mark.parametrize('socket', range(0, NUM_SOCKETS))
+class TestSDSiFilesClass:
+
+    def read_value(self, file):
+        f = open(file, "r")
+        value = f.read().strip("\n")
+        return value
+
+    def get_dev_folder(self, socket):
+        return CLASS_DIR + '/' + DEV_PREFIX + '.' + str(socket) + '/'
+
+    def test_sysfs_files_exist(self, socket):
+        folder = self.get_dev_folder(socket)
+        print (folder)
+        assert os.path.isfile(folder + "guid") == True
+        assert os.path.isfile(folder + "provision_akc") == True
+        assert os.path.isfile(folder + "provision_cap") == True
+        assert os.path.isfile(folder + "state_certificate") == True
+        assert os.path.isfile(folder + "registers") == True
+
+    def test_sysfs_file_permissions(self, socket):
+        folder = self.get_dev_folder(socket)
+        mode = os.stat(folder + "guid").st_mode & 0o777
+        assert mode == 0o444    # Read all
+        mode = os.stat(folder + "registers").st_mode & 0o777
+        assert mode == 0o400    # Read owner
+        mode = os.stat(folder + "provision_akc").st_mode & 0o777
+        assert mode == 0o200    # Read owner
+        mode = os.stat(folder + "provision_cap").st_mode & 0o777
+        assert mode == 0o200    # Read owner
+        mode = os.stat(folder + "state_certificate").st_mode & 0o777
+        assert mode == 0o400    # Read owner
+
+    def test_sysfs_file_ownership(self, socket):
+        folder = self.get_dev_folder(socket)
+
+        st = os.stat(folder + "guid")
+        assert st.st_uid == 0
+        assert st.st_gid == 0
+
+        st = os.stat(folder + "registers")
+        assert st.st_uid == 0
+        assert st.st_gid == 0
+
+        st = os.stat(folder + "provision_akc")
+        assert st.st_uid == 0
+        assert st.st_gid == 0
+
+        st = os.stat(folder + "provision_cap")
+        assert st.st_uid == 0
+        assert st.st_gid == 0
+
+        st = os.stat(folder + "state_certificate")
+        assert st.st_uid == 0
+        assert st.st_gid == 0
+
+    def test_sysfs_file_sizes(self, socket):
+        folder = self.get_dev_folder(socket)
+
+        if self.read_value(folder + "guid") == GUID:
+            st = os.stat(folder + "registers")
+            assert st.st_size == 72
+
+        st = os.stat(folder + "provision_akc")
+        assert st.st_size == 1024
+
+        st = os.stat(folder + "provision_cap")
+        assert st.st_size == 1024
+
+        st = os.stat(folder + "state_certificate")
+        assert st.st_size == 4096
+
+    def test_no_seek_allowed(self, socket):
+        folder = self.get_dev_folder(socket)
+        rand_file = bytes(os.urandom(8))
+
+        f = open(folder + "provision_cap", "wb", 0)
+        f.seek(1)
+        with pytest.raises(OSError) as error:
+            f.write(rand_file)
+        assert error.value.errno == errno.ESPIPE
+        f.close()
+
+        f = open(folder + "provision_akc", "wb", 0)
+        f.seek(1)
+        with pytest.raises(OSError) as error:
+            f.write(rand_file)
+        assert error.value.errno == errno.ESPIPE
+        f.close()
+
+    def test_registers_seek(self, socket):
+        folder = self.get_dev_folder(socket)
+
+        # Check that the value read from an offset of the entire
+        # file is none-zero and the same as the value read
+        # from seeking to the same location
+        f = open(folder + "registers", "rb")
+        data = f.read()
+        f.seek(64)
+        id = f.read()
+        assert id != bytes(0)
+        assert data[64:] == id
+        f.close()
+
+@pytest.mark.parametrize('socket', range(0, NUM_SOCKETS))
+class TestSDSiMailboxCmdsClass:
+    def test_provision_akc_eoverflow_1017_bytes(self, socket):
+
+        # The buffer for writes is 1k, of with 8 bytes must be
+        # reserved for the command, leaving 1016 bytes max.
+        # Check that we get an overflow error for 1017 bytes.
+        node = get_dev_file_path(socket, "provision_akc")
+        rand_file = bytes(os.urandom(1017))
+
+        f = open(node, 'wb', 0)
+        with pytest.raises(OSError) as error:
+            f.write(rand_file)
+        assert error.value.errno == errno.EOVERFLOW
+        f.close()
+
+@pytest.mark.parametrize('socket', range(0, NUM_SOCKETS))
+class TestSdsiDriverLocksClass:
+    def test_enodev_when_pci_device_removed(self, socket):
+        node = get_dev_file_path(socket, "provision_akc")
+        dev_name = DEV_PREFIX + '.' + str(socket)
+        driver_dir = CLASS_DIR + '/' + dev_name + "/driver/"
+        rand_file = bytes(os.urandom(8))
+
+        f = open(node, 'wb', 0)
+        g = open(node, 'wb', 0)
+
+        with open(driver_dir + 'unbind', 'w') as k:
+            print(dev_name, file = k)
+
+        with pytest.raises(OSError) as error:
+            f.write(rand_file)
+        assert error.value.errno == errno.ENODEV
+
+        with pytest.raises(OSError) as error:
+            g.write(rand_file)
+        assert error.value.errno == errno.ENODEV
+
+        f.close()
+        g.close()
+
+        # Short wait needed to allow file to close before pulling driver
+        sleep(1)
+
+        p = subprocess.Popen(('modprobe', '-r', 'intel_sdsi'))
+        p.wait()
+        p = subprocess.Popen(('modprobe', '-r', 'intel_vsec'))
+        p.wait()
+        p = subprocess.Popen(('modprobe', 'intel_vsec'))
+        p.wait()
+
+        # Short wait needed to allow driver time to get inserted
+        # before continuing tests
+        sleep(1)
+
+    def test_memory_leak(self, socket):
+        if not kmemleak_enabled():
+            pytest.skip("kmemleak not enabled in kernel")
+
+        dev_name = DEV_PREFIX + '.' + str(socket)
+        driver_dir = CLASS_DIR + '/' + dev_name + "/driver/"
+
+        with open(driver_dir + 'unbind', 'w') as k:
+            print(dev_name, file = k)
+
+        sleep(1)
+
+        subprocess.check_output(('modprobe', '-r', 'intel_sdsi'))
+        subprocess.check_output(('modprobe', '-r', 'intel_vsec'))
+
+        with open('/sys/kernel/debug/kmemleak', 'w') as f:
+            print('scan', file = f)
+        sleep(5)
+
+        assert os.stat('/sys/kernel/debug/kmemleak').st_size == 0
+
+        subprocess.check_output(('modprobe', 'intel_vsec'))
+        sleep(1)