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Author SHA1 Message Date
Martin KaFai Lau 5405807edd selftests/bpf: Adjust test_access_variable_array after a kernel function name change 
After commit 4c3e509ea9 ("sched/balancing: Rename load_balance() => sched_balance_rq()"),
the load_balance kernel function is renamed to sched_balance_rq.

This patch adjusts the fentry program in test_access_variable_array.c
to reflect this kernel function name change.

Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20240516170140.2689430-1-martin.lau@linux.dev
 2024-05-17 01:48:16 +02:00
Andrii Nakryiko 2322113ac9 selftests/bpf: add more variations of map-in-map situations 
Add test cases validating usage of PERCPU_ARRAY and PERCPU_HASH maps as
inner maps.

Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20240515062440.846086-2-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-15 09:34:54 -07:00
Andrii Nakryiko 1de27bba6d libbpf: fix feature detectors when using token_fd 
Adjust `union bpf_attr` size passed to kernel in two feature-detecting
functions to take into account prog_token_fd field.

Libbpf is avoiding memset()'ing entire `union bpf_attr` by only using
minimal set of bpf_attr's fields. Two places have been missed when
wiring BPF token support in libbpf's feature detection logic.

Fix them trivially.

Fixes: f3dcee938f ("libbpf: Wire up token_fd into feature probing logic")
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/r/20240513180804.403775-1-andrii@kernel.org
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-15 09:34:53 -07:00
Jakub Kicinski 621cde16e4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 
Cross merge.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-15 07:30:49 -07:00
Nikolay Aleksandrov 06080ea230 selftests: net: bridge: increase IGMP/MLD exclude timeout membership interval 
When running the bridge IGMP/MLD selftests on debug kernels we can get
spurious errors when setting up the IGMP/MLD exclude timeout tests
because the membership interval is just 3 seconds and the setup has 2
seconds of sleep plus various validations, the one second that is left
is not enough. Increase the membership interval from 3 to 5 seconds to
make room for the setup validation and 2 seconds of sleep.

Fixes: 34d7ecb3d4 ("selftests: net: bridge: update IGMP/MLD membership interval value")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 2024-05-15 11:42:17 +01:00
Linus Torvalds 1b294a1f35 Networking changes for 6.10. 
Core & protocols
 ----------------
 
  - Complete rework of garbage collection of AF_UNIX sockets.
    AF_UNIX is prone to forming reference count cycles due to fd passing
    functionality. New method based on Tarjan's Strongly Connected Components
    algorithm should be both faster and remove a lot of workarounds
    we accumulated over the years.
 
  - Add TCP fraglist GRO support, allowing chaining multiple TCP packets
    and forwarding them together. Useful for small switches / routers which
    lack basic checksum offload in some scenarios (e.g. PPPoE).
 
  - Support using SMP threads for handling packet backlog i.e. packet
    processing from software interfaces and old drivers which don't
    use NAPI. This helps move the processing out of the softirq jumble.
 
  - Continue work of converting from rtnl lock to RCU protection.
    Don't require rtnl lock when reading: IPv6 routing FIB, IPv6 address
    labels, netdev threaded NAPI sysfs files, bonding driver's sysfs files,
    MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics, TC Qdiscs,
    neighbor entries, ARP entries via ioctl(SIOCGARP), a lot of the link
    information available via rtnetlink.
 
  - Small optimizations from Eric to UDP wake up handling, memory accounting,
    RPS/RFS implementation, TCP packet sizing etc.
 
  - Allow direct page recycling in the bulk API used by XDP, for +2% PPS.
 
  - Support peek with an offset on TCP sockets.
 
  - Add MPTCP APIs for querying last time packets were received/sent/acked,
    and whether MPTCP "upgrade" succeeded on a TCP socket.
 
  - Add intra-node communication shortcut to improve SMC performance.
 
  - Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol driver.
 
  - Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.
 
  - Add reset reasons for tracing what caused a TCP reset to be sent.
 
  - Introduce direction attribute for xfrm (IPSec) states.
    State can be used either for input or output packet processing.
 
 Things we sprinkled into general kernel code
 --------------------------------------------
 
  - Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().
    This required touch-ups and renaming of a few existing users.
 
  - Add Endian-dependent __counted_by_{le,be} annotations.
 
  - Make building selftests "quieter" by printing summaries like
    "CC object.o" rather than full commands with all the arguments.
 
 Netfilter
 ---------
 
  - Use GFP_KERNEL to clone elements, to deal better with OOM situations
    and avoid failures in the .commit step.
 
 BPF
 ---
 
  - Add eBPF JIT for ARCv2 CPUs.
 
  - Support attaching kprobe BPF programs through kprobe_multi link in
    a session mode, meaning, a BPF program is attached to both function entry
    and return, the entry program can decide if the return program gets
    executed and the entry program can share u64 cookie value with return
    program. "Session mode" is a common use-case for tetragon and bpftrace.
 
  - Add the ability to specify and retrieve BPF cookie for raw tracepoint
    programs in order to ease migration from classic to raw tracepoints.
 
  - Add an internal-only BPF per-CPU instruction for resolving per-CPU
    memory addresses and implement support in x86, ARM64 and RISC-V JITs.
    This allows inlining functions which need to access per-CPU state.
 
  - Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
    atomics in bpf_arena which can be JITed as a single x86 instruction.
    Support BPF arena on ARM64.
 
  - Add a new bpf_wq API for deferring events and refactor process-context
    bpf_timer code to keep common code where possible.
 
  - Harden the BPF verifier's and/or/xor value tracking.
 
  - Introduce crypto kfuncs to let BPF programs call kernel crypto APIs.
 
  - Support bpf_tail_call_static() helper for BPF programs with GCC 13.
 
  - Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
    program to have code sections where preemption is disabled.
 
 Driver API
 ----------
 
  - Skip software TC processing completely if all installed rules are
    marked as HW-only, instead of checking the HW-only flag rule by rule.
 
  - Add support for configuring PoE (Power over Ethernet), similar to
    the already existing support for PoDL (Power over Data Line) config.
 
  - Initial bits of a queue control API, for now allowing a single queue
    to be reset without disturbing packet flow to other queues.
 
  - Common (ethtool) statistics for hardware timestamping.
 
 Tests and tooling
 -----------------
 
  - Remove the need to create a config file to run the net forwarding tests
    so that a naive "make run_tests" can exercise them.
 
  - Define a method of writing tests which require an external endpoint
    to communicate with (to send/receive data towards the test machine).
    Add a few such tests.
 
  - Create a shared code library for writing Python tests. Expose the YAML
    Netlink library from tools/ to the tests for easy Netlink access.
 
  - Move netfilter tests under net/, extend them, separate performance tests
    from correctness tests, and iron out issues found by running them
    "on every commit".
 
  - Refactor BPF selftests to use common network helpers.
 
  - Further work filling in YAML definitions of Netlink messages for:
    nftables, team driver, bonding interfaces, vlan interfaces, VF info,
    TC u32 mark, TC police action.
 
  - Teach Python YAML Netlink to decode attribute policies.
 
  - Extend the definition of the "indexed array" construct in the specs
    to cover arrays of scalars rather than just nests.
 
  - Add hyperlinks between definitions in generated Netlink docs.
 
 Drivers
 -------
 
  - Make sure unsupported flower control flags are rejected by drivers,
    and make more drivers report errors directly to the application rather
    than dmesg (large number of driver changes from Asbjørn Sloth Tønnesen).
 
  - Ethernet high-speed NICs:
    - Broadcom (bnxt):
      - support multiple RSS contexts and steering traffic to them
      - support XDP metadata
      - make page pool allocations more NUMA aware
    - Intel (100G, ice, idpf):
      - extract datapath code common among Intel drivers into a library
      - use fewer resources in switchdev by sharing queues with the PF
      - add PFCP filter support
      - add Ethernet filter support
      - use a spinlock instead of HW lock in PTP clock ops
      - support 5 layer Tx scheduler topology
    - nVidia/Mellanox:
      - 800G link modes and 100G SerDes speeds
      - per-queue IRQ coalescing configuration
    - Marvell Octeon:
      - support offloading TC packet mark action
 
  - Ethernet NICs consumer, embedded and virtual:
    - stop lying about skb->truesize in USB Ethernet drivers, it messes up
      TCP memory calculations
    - Google cloud vNIC:
      - support changing ring size via ethtool
      - support ring reset using the queue control API
    - VirtIO net:
      - expose flow hash from RSS to XDP
      - per-queue statistics
      - add selftests
    - Synopsys (stmmac):
      - support controllers which require an RX clock signal from the MII
        bus to perform their hardware initialization
    - TI:
      - icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
      - icssg_prueth: add SW TX / RX Coalescing based on hrtimers
      - cpsw: minimal XDP support
    - Renesas (ravb):
      - support describing the MDIO bus
    - Realtek (r8169):
      - add support for RTL8168M
    - Microchip Sparx5:
      - matchall and flower actions mirred and redirect
 
  - Ethernet switches:
    - nVidia/Mellanox:
      - improve events processing performance
    - Marvell:
      - add support for MV88E6250 family internal PHYs
    - Microchip:
      - add DCB and DSCP mapping support for KSZ switches
      - vsc73xx: convert to PHYLINK
    - Realtek:
      - rtl8226b/rtl8221b: add C45 instances and SerDes switching
 
  - Many driver changes related to PHYLIB and PHYLINK deprecated API cleanup.
 
  - Ethernet PHYs:
    - Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
    - micrel: lan8814: add support for PPS out and external timestamp trigger
 
  - WiFi:
    - Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices drivers.
      Modern devices can only be configured using nl80211.
    - mac80211/cfg80211
      - handle color change per link for WiFi 7 Multi-Link Operation
    - Intel (iwlwifi):
      - don't support puncturing in 5 GHz
      - support monitor mode on passive channels
      - BZ-W device support
      - P2P with HE/EHT support
      - re-add support for firmware API 90
      - provide channel survey information for Automatic Channel Selection
    - MediaTek (mt76):
      - mt7921 LED control
      - mt7925 EHT radiotap support
      - mt7920e PCI support
    - Qualcomm (ath11k):
      - P2P support for QCA6390, WCN6855 and QCA2066
      - support hibernation
      - ieee80211-freq-limit Device Tree property support
    - Qualcomm (ath12k):
      - refactoring in preparation of multi-link support
      - suspend and hibernation support
      - ACPI support
      - debugfs support, including dfs_simulate_radar support
    - RealTek:
      - rtw88: RTL8723CS SDIO device support
      - rtw89: RTL8922AE Wi-Fi 7 PCI device support
      - rtw89: complete features of new WiFi 7 chip 8922AE including
        BT-coexistence and Wake-on-WLAN
      - rtw89: use BIOS ACPI settings to set TX power and channels
      - rtl8xxxu: enable Management Frame Protection (MFP) support
 
  - Bluetooth:
    - support for Intel BlazarI and Filmore Peak2 (BE201)
    - support for MediaTek MT7921S SDIO
    - initial support for Intel PCIe BT driver
    - remove HCI_AMP support
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core & protocols:

   - Complete rework of garbage collection of AF_UNIX sockets.

     AF_UNIX is prone to forming reference count cycles due to fd
     passing functionality. New method based on Tarjan's Strongly
     Connected Components algorithm should be both faster and remove a
     lot of workarounds we accumulated over the years.

   - Add TCP fraglist GRO support, allowing chaining multiple TCP
     packets and forwarding them together. Useful for small switches /
     routers which lack basic checksum offload in some scenarios (e.g.
     PPPoE).

   - Support using SMP threads for handling packet backlog i.e. packet
     processing from software interfaces and old drivers which don't use
     NAPI. This helps move the processing out of the softirq jumble.

   - Continue work of converting from rtnl lock to RCU protection.

     Don't require rtnl lock when reading: IPv6 routing FIB, IPv6
     address labels, netdev threaded NAPI sysfs files, bonding driver's
     sysfs files, MPLS devconf, IPv4 FIB rules, netns IDs, tcp metrics,
     TC Qdiscs, neighbor entries, ARP entries via ioctl(SIOCGARP), a lot
     of the link information available via rtnetlink.

   - Small optimizations from Eric to UDP wake up handling, memory
     accounting, RPS/RFS implementation, TCP packet sizing etc.

   - Allow direct page recycling in the bulk API used by XDP, for +2%
     PPS.

   - Support peek with an offset on TCP sockets.

   - Add MPTCP APIs for querying last time packets were received/sent/acked
     and whether MPTCP "upgrade" succeeded on a TCP socket.

   - Add intra-node communication shortcut to improve SMC performance.

   - Add IPv6 (and IPv{4,6}-over-IPv{4,6}) support to the GTP protocol
     driver.

   - Add HSR-SAN (RedBOX) mode of operation to the HSR protocol driver.

   - Add reset reasons for tracing what caused a TCP reset to be sent.

   - Introduce direction attribute for xfrm (IPSec) states. State can be
     used either for input or output packet processing.

  Things we sprinkled into general kernel code:

   - Add bitmap_{read,write}(), bitmap_size(), expose BYTES_TO_BITS().

     This required touch-ups and renaming of a few existing users.

   - Add Endian-dependent __counted_by_{le,be} annotations.

   - Make building selftests "quieter" by printing summaries like
     "CC object.o" rather than full commands with all the arguments.

  Netfilter:

   - Use GFP_KERNEL to clone elements, to deal better with OOM
     situations and avoid failures in the .commit step.

  BPF:

   - Add eBPF JIT for ARCv2 CPUs.

   - Support attaching kprobe BPF programs through kprobe_multi link in
     a session mode, meaning, a BPF program is attached to both function
     entry and return, the entry program can decide if the return
     program gets executed and the entry program can share u64 cookie
     value with return program. "Session mode" is a common use-case for
     tetragon and bpftrace.

   - Add the ability to specify and retrieve BPF cookie for raw
     tracepoint programs in order to ease migration from classic to raw
     tracepoints.

   - Add an internal-only BPF per-CPU instruction for resolving per-CPU
     memory addresses and implement support in x86, ARM64 and RISC-V
     JITs. This allows inlining functions which need to access per-CPU
     state.

   - Optimize x86 BPF JIT's emit_mov_imm64, and add support for various
     atomics in bpf_arena which can be JITed as a single x86
     instruction. Support BPF arena on ARM64.

   - Add a new bpf_wq API for deferring events and refactor
     process-context bpf_timer code to keep common code where possible.

   - Harden the BPF verifier's and/or/xor value tracking.

   - Introduce crypto kfuncs to let BPF programs call kernel crypto
     APIs.

   - Support bpf_tail_call_static() helper for BPF programs with GCC 13.

   - Add bpf_preempt_{disable,enable}() kfuncs in order to allow a BPF
     program to have code sections where preemption is disabled.

  Driver API:

   - Skip software TC processing completely if all installed rules are
     marked as HW-only, instead of checking the HW-only flag rule by
     rule.

   - Add support for configuring PoE (Power over Ethernet), similar to
     the already existing support for PoDL (Power over Data Line)
     config.

   - Initial bits of a queue control API, for now allowing a single
     queue to be reset without disturbing packet flow to other queues.

   - Common (ethtool) statistics for hardware timestamping.

  Tests and tooling:

   - Remove the need to create a config file to run the net forwarding
     tests so that a naive "make run_tests" can exercise them.

   - Define a method of writing tests which require an external endpoint
     to communicate with (to send/receive data towards the test
     machine). Add a few such tests.

   - Create a shared code library for writing Python tests. Expose the
     YAML Netlink library from tools/ to the tests for easy Netlink
     access.

   - Move netfilter tests under net/, extend them, separate performance
     tests from correctness tests, and iron out issues found by running
     them "on every commit".

   - Refactor BPF selftests to use common network helpers.

   - Further work filling in YAML definitions of Netlink messages for:
     nftables, team driver, bonding interfaces, vlan interfaces, VF
     info, TC u32 mark, TC police action.

   - Teach Python YAML Netlink to decode attribute policies.

   - Extend the definition of the "indexed array" construct in the specs
     to cover arrays of scalars rather than just nests.

   - Add hyperlinks between definitions in generated Netlink docs.

  Drivers:

   - Make sure unsupported flower control flags are rejected by drivers,
     and make more drivers report errors directly to the application
     rather than dmesg (large number of driver changes from Asbjørn
     Sloth Tønnesen).

   - Ethernet high-speed NICs:
      - Broadcom (bnxt):
         - support multiple RSS contexts and steering traffic to them
         - support XDP metadata
         - make page pool allocations more NUMA aware
      - Intel (100G, ice, idpf):
         - extract datapath code common among Intel drivers into a library
         - use fewer resources in switchdev by sharing queues with the PF
         - add PFCP filter support
         - add Ethernet filter support
         - use a spinlock instead of HW lock in PTP clock ops
         - support 5 layer Tx scheduler topology
      - nVidia/Mellanox:
         - 800G link modes and 100G SerDes speeds
         - per-queue IRQ coalescing configuration
      - Marvell Octeon:
         - support offloading TC packet mark action

   - Ethernet NICs consumer, embedded and virtual:
      - stop lying about skb->truesize in USB Ethernet drivers, it
        messes up TCP memory calculations
      - Google cloud vNIC:
         - support changing ring size via ethtool
         - support ring reset using the queue control API
      - VirtIO net:
         - expose flow hash from RSS to XDP
         - per-queue statistics
         - add selftests
      - Synopsys (stmmac):
         - support controllers which require an RX clock signal from the
           MII bus to perform their hardware initialization
      - TI:
         - icssg_prueth: support ICSSG-based Ethernet on AM65x SR1.0 devices
         - icssg_prueth: add SW TX / RX Coalescing based on hrtimers
         - cpsw: minimal XDP support
      - Renesas (ravb):
         - support describing the MDIO bus
      - Realtek (r8169):
         - add support for RTL8168M
      - Microchip Sparx5:
         - matchall and flower actions mirred and redirect

   - Ethernet switches:
      - nVidia/Mellanox:
         - improve events processing performance
      - Marvell:
         - add support for MV88E6250 family internal PHYs
      - Microchip:
         - add DCB and DSCP mapping support for KSZ switches
         - vsc73xx: convert to PHYLINK
      - Realtek:
         - rtl8226b/rtl8221b: add C45 instances and SerDes switching

   - Many driver changes related to PHYLIB and PHYLINK deprecated API
     cleanup

   - Ethernet PHYs:
      - Add a new driver for Airoha EN8811H 2.5 Gigabit PHY.
      - micrel: lan8814: add support for PPS out and external timestamp trigger

   - WiFi:
      - Disable Wireless Extensions (WEXT) in all Wi-Fi 7 devices
        drivers. Modern devices can only be configured using nl80211.
      - mac80211/cfg80211
         - handle color change per link for WiFi 7 Multi-Link Operation
      - Intel (iwlwifi):
         - don't support puncturing in 5 GHz
         - support monitor mode on passive channels
         - BZ-W device support
         - P2P with HE/EHT support
         - re-add support for firmware API 90
         - provide channel survey information for Automatic Channel Selection
      - MediaTek (mt76):
         - mt7921 LED control
         - mt7925 EHT radiotap support
         - mt7920e PCI support
      - Qualcomm (ath11k):
         - P2P support for QCA6390, WCN6855 and QCA2066
         - support hibernation
         - ieee80211-freq-limit Device Tree property support
      - Qualcomm (ath12k):
         - refactoring in preparation of multi-link support
         - suspend and hibernation support
         - ACPI support
         - debugfs support, including dfs_simulate_radar support
      - RealTek:
         - rtw88: RTL8723CS SDIO device support
         - rtw89: RTL8922AE Wi-Fi 7 PCI device support
         - rtw89: complete features of new WiFi 7 chip 8922AE including
           BT-coexistence and Wake-on-WLAN
         - rtw89: use BIOS ACPI settings to set TX power and channels
         - rtl8xxxu: enable Management Frame Protection (MFP) support

   - Bluetooth:
      - support for Intel BlazarI and Filmore Peak2 (BE201)
      - support for MediaTek MT7921S SDIO
      - initial support for Intel PCIe BT driver
      - remove HCI_AMP support"

* tag 'net-next-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1827 commits)
  selftests: netfilter: fix packetdrill conntrack testcase
  net: gro: fix napi_gro_cb zeroed alignment
  Bluetooth: btintel_pcie: Refactor and code cleanup
  Bluetooth: btintel_pcie: Fix warning reported by sparse
  Bluetooth: hci_core: Fix not handling hdev->le_num_of_adv_sets=1
  Bluetooth: btintel: Fix compiler warning for multi_v7_defconfig config
  Bluetooth: btintel_pcie: Fix compiler warnings
  Bluetooth: btintel_pcie: Add *setup* function to download firmware
  Bluetooth: btintel_pcie: Add support for PCIe transport
  Bluetooth: btintel: Export few static functions
  Bluetooth: HCI: Remove HCI_AMP support
  Bluetooth: L2CAP: Fix div-by-zero in l2cap_le_flowctl_init()
  Bluetooth: qca: Fix error code in qca_read_fw_build_info()
  Bluetooth: hci_conn: Use __counted_by() and avoid -Wfamnae warning
  Bluetooth: btintel: Add support for Filmore Peak2 (BE201)
  Bluetooth: btintel: Add support for BlazarI
  LE Create Connection command timeout increased to 20 secs
  dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth
  Bluetooth: compute LE flow credits based on recvbuf space
  Bluetooth: hci_sync: Use cmd->num_cis instead of magic number
  ...
 2024-05-14 19:42:24 -07:00
Linus Torvalds 614da38e2f hid-for-linus-2024051401 
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Merge tag 'hid-for-linus-2024051401' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid

Pull HID updates from Jiri Kosina:

 - Firmware loading from host support in intel-ish driver, needed to
   support Lunar Lake and later (Zhang Lixu)

 - updates to HID-BPF infrastructure, with some of the specific fixes
   (e.g. rdesc fixups) abstracted into separate BPF programs for
   consumption from libevdev/udev-hid-bpf (Benjamin Tissoires)

 - support for Deck IMU in hid-steam (Max Maisel)

 - fixes for better support of 3rd party playstation DS4 controllers
   (Max Staudt)

 - support for missing mappings and codes from HUT 1.5 in hid-debug
   (Thomas Kuehne)

 - initial support for ROG Ally and ROG X13 devices (Luke D. Jones)

 - full support for WinWing Orion2 (Ivan Gorinov)

* tag 'hid-for-linus-2024051401' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (74 commits)
  selftests/hid: skip tests with HID-BPF if udev-hid-bpf is not installed
  selftests/hid: add tests for the Raptor Mach 2 joystick
  selftests/hid: move the gamepads definitions in the test file
  selftests/hid: import base_gamepad.py from hid-tools
  selftests/hid: add Huion Kamvas Pro 19 tests
  selftests/hid: tablets: also check for XP-Pen offset correction
  selftests/hid: tablets: add a couple of XP-PEN tablets
  selftests/hid: tablets: reduce the number of pen state
  selftests/hid: add support for HID-BPF pre-loading before starting a test
  selftests/hid: import base_device.py from hid-tools
  HID: bpf: add in-tree HID-BPF fix for the Raptor Mach 2
  HID: bpf: add in-tree HID-BPF fix for the Huion Kamvas Pro 19
  HID: bpf: add in-tree HID-BPF fix for the XBox Elite 2 over Bluetooth
  HID: bpf: add in-tree HID-BPF fix for the Wacom ArtPen
  HID: bpf: add in-tree HID-BPF fix for the IOGear Kaliber Gaming MMOmentum mouse
  HID: bpf: add in-tree HID-BPF fix for the HP Elite Presenter Mouse
  HID: bpf: add in-tree HID-BPF fix for the XPPen Artist 16
  HID: bpf: add first in-tree HID-BPF fix for the XPPen Artist 24
  HID: do not assume HAT Switch logical max < 8
  HID: amd_sfh: Use amd_get_c2p_val() to read C2P register
  ...
 2024-05-14 15:12:46 -07:00
Linus Torvalds 101b7a9714 ACPI updates for 6.10-rc1 
- Add EINJ CXL error types to actbl1.h (Ben Cheatham).
 
  - Add support for RAS2 table to ACPICA (Shiju Jose).
 
  - Fix various spelling mistakes in text files and code comments in
    ACPICA (Colin Ian King).
 
  - Fix spelling and typos in ACPICA (Saket Dumbre).
 
  - Modify ACPI_OBJECT_COMMON_HEADER (lijun).
 
  - Add RISC-V RINTC affinity structure support to ACPICA (Haibo Xu).
 
  - Fix CXL 3.0 structure (RDPAS) in the CEDT table (Hojin Nam).
 
  - Add missin increment of registered GPE count to ACPICA (Daniil
    Tatianin).
 
  - Mark new ACPICA release 20240322 (Saket Dumbre).
 
  - Add support for the AEST V2 table to ACPICA (Ruidong Tian).
 
  - Disable -Wstringop-truncation for some ACPICA code in the kernel to
    avoid a compiler warning  that is not very useful (Arnd Bergmann).
 
  - Make the kernel indicate support for several ACPI features that are
    in fact supported to the platform firmware through _OSC and fix the
    Generic Initiator Affinity _OSC bit (Armin Wolf).
 
  - Make the ACPI core set the owner value for ACPI drivers, drop the
    owner setting from a number of drivers and eliminate the owner
    field from struct acpi_driver (Krzysztof Kozlowski).
 
  - Rearrange fields in several structures to effectively eliminate
    computations from container_of() in some cases (Andy Shevchenko).
 
  - Do some assorted cleanups of the ACPI device enumeration code (Andy
    Shevchenko).
 
  - Make the ACPI device enumeration code skip devices with _STA values
    clearly identified by the specification as invalid (Rafael Wysocki).
 
  - Rework the handling of the NHLT table to simplify and clarify it and
    drop some obsolete pieces (Cezary Rojewski).
 
  - Add ACPI IRQ override quirks for Asus Vivobook Pro N6506MV, TongFang
    GXxHRXx and GMxHGxx, and XMG APEX 17 M23 (Guenter Schafranek, Tamim
    Khan, Christoffer Sandberg).
 
  - Add reference to UEFI DSD Guide to the documentation related to the
    ACPI handling of device properties (Sakari Ailus).
 
  - Fix SRAT lookup of CFMWS ranges with numa_fill_memblks(), remove
    lefover architecture-dependent code from the ACPI NUMA handling code
    and simplify it on top of that (Robert Richter).
 
  - Add a num-cs device property to specify the number of chip selects
    for Intel Braswell to the ACPI LPSS (Intel SoC) driver and remove a
    nested CONFIG_PM #ifdef from it (Andy Shevchenko).
 
  - Move three x86-specific ACPI files to the x86 directory (Andy
    Shevchenko).
 
  - Mark SMO8810 accel on Dell XPS 15 9550 as always present and add a
    PNP_UART1_SKIP quirk for Lenovo Blade2 tablets (Hans de Goede).
 
  - Move acpi_blacklisted() declaration to asm/acpi.h (Kuppuswamy
    Sathyanarayanan).
 
  - Add Lunar Lake support to the ACPI DPTF driver (Sumeet Pawnikar).
 
  - Mark the einj_driver driver's remove callback as __exit because it
    cannot get unbound via sysfs (Uwe Kleine-König).
 
  - Fix a typo in the ACPI documentation regarding the layout of sysfs
    subdirectory representing the ACPI namespace (John Watts).
 
  - Make the ACPI pfrut utility print the update_cap field during
    capability query (Chen Yu).
 
  - Add HAS_IOPORT dependencies to PNP (Niklas Schnelle).
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Merge tag 'acpi-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These are ACPICA updates coming from the 20240322 release upstream, an
  ACPI DPTF driver update adding new platform support for it, some new
  quirks and some assorted fixes and cleanups.

  Specifics:

   - Add EINJ CXL error types to actbl1.h (Ben Cheatham)

   - Add support for RAS2 table to ACPICA (Shiju Jose)

   - Fix various spelling mistakes in text files and code comments in
     ACPICA (Colin Ian King)

   - Fix spelling and typos in ACPICA (Saket Dumbre)

   - Modify ACPI_OBJECT_COMMON_HEADER (lijun)

   - Add RISC-V RINTC affinity structure support to ACPICA (Haibo Xu)

   - Fix CXL 3.0 structure (RDPAS) in the CEDT table (Hojin Nam)

   - Add missin increment of registered GPE count to ACPICA (Daniil
     Tatianin)

   - Mark new ACPICA release 20240322 (Saket Dumbre)

   - Add support for the AEST V2 table to ACPICA (Ruidong Tian)

   - Disable -Wstringop-truncation for some ACPICA code in the kernel to
     avoid a compiler warning that is not very useful (Arnd Bergmann)

   - Make the kernel indicate support for several ACPI features that are
     in fact supported to the platform firmware through _OSC and fix the
     Generic Initiator Affinity _OSC bit (Armin Wolf)

   - Make the ACPI core set the owner value for ACPI drivers, drop the
     owner setting from a number of drivers and eliminate the owner
     field from struct acpi_driver (Krzysztof Kozlowski)

   - Rearrange fields in several structures to effectively eliminate
     computations from container_of() in some cases (Andy Shevchenko)

   - Do some assorted cleanups of the ACPI device enumeration code (Andy
     Shevchenko)

   - Make the ACPI device enumeration code skip devices with _STA values
     clearly identified by the specification as invalid (Rafael Wysocki)

   - Rework the handling of the NHLT table to simplify and clarify it
     and drop some obsolete pieces (Cezary Rojewski)

   - Add ACPI IRQ override quirks for Asus Vivobook Pro N6506MV,
     TongFang GXxHRXx and GMxHGxx, and XMG APEX 17 M23 (Guenter
     Schafranek, Tamim Khan, Christoffer Sandberg)

   - Add reference to UEFI DSD Guide to the documentation related to the
     ACPI handling of device properties (Sakari Ailus)

   - Fix SRAT lookup of CFMWS ranges with numa_fill_memblks(), remove
     lefover architecture-dependent code from the ACPI NUMA handling
     code and simplify it on top of that (Robert Richter)

   - Add a num-cs device property to specify the number of chip selects
     for Intel Braswell to the ACPI LPSS (Intel SoC) driver and remove a
     nested CONFIG_PM #ifdef from it (Andy Shevchenko)

   - Move three x86-specific ACPI files to the x86 directory (Andy
     Shevchenko)

   - Mark SMO8810 accel on Dell XPS 15 9550 as always present and add a
     PNP_UART1_SKIP quirk for Lenovo Blade2 tablets (Hans de Goede)

   - Move acpi_blacklisted() declaration to asm/acpi.h (Kuppuswamy
     Sathyanarayanan)

   - Add Lunar Lake support to the ACPI DPTF driver (Sumeet Pawnikar)

   - Mark the einj_driver driver's remove callback as __exit because it
     cannot get unbound via sysfs (Uwe Kleine-König)

   - Fix a typo in the ACPI documentation regarding the layout of sysfs
     subdirectory representing the ACPI namespace (John Watts)

   - Make the ACPI pfrut utility print the update_cap field during
     capability query (Chen Yu)

   - Add HAS_IOPORT dependencies to PNP (Niklas Schnelle)"

* tag 'acpi-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (72 commits)
  ACPI/NUMA: Squash acpi_numa_memory_affinity_init() into acpi_parse_memory_affinity()
  ACPI/NUMA: Squash acpi_numa_slit_init() into acpi_parse_slit()
  ACPI/NUMA: Remove architecture dependent remainings
  x86/numa: Fix SRAT lookup of CFMWS ranges with numa_fill_memblks()
  ACPI: video: Add backlight=native quirk for Lenovo Slim 7 16ARH7
  ACPI: scan: Avoid enumerating devices with clearly invalid _STA values
  ACPI: Move acpi_blacklisted() declaration to asm/acpi.h
  ACPI: resource: Skip IRQ override on Asus Vivobook Pro N6506MV
  ACPICA: AEST: Add support for the AEST V2 table
  ACPI: tools: pfrut: Print the update_cap field during capability query
  ACPI: property: Add reference to UEFI DSD Guide
  Documentation: firmware-guide: ACPI: Fix namespace typo
  PNP: add HAS_IOPORT dependencies
  ACPI: resource: Do IRQ override on TongFang GXxHRXx and GMxHGxx
  ACPI: resource: Do IRQ override on GMxBGxx (XMG APEX 17 M23)
  ACPICA: Update acpixf.h for new ACPICA release 20240322
  ACPICA: events/evgpeinit: don't forget to increment registered GPE count
  ACPICA: Fix CXL 3.0 structure (RDPAS) in the CEDT table
  ACPICA: SRAT: Add dump and compiler support for RINTC affinity structure
  ACPICA: SRAT: Add RISC-V RINTC affinity structure
  ...
 2024-05-14 13:31:24 -07:00
Linus Torvalds 4b95dc8736 linux_kselftest-next-6.10-rc1 
This kselftest update for Linux 6.10-rc1 consists of:
 
 - changes to make framework and tests reporting KTAP compliant
 - changes to make ktap_helpers and power_supply test POSIX compliant
 - adds ksft_exit_fail_perror() to include errono in string form
 - fixes to avoid clang reporting false positive static analysis errors
   about functions that exit and never return. ksft_exit* functions
   are marked __noreturn to address this problem
 - adds mechanism for reporting a KSFT_ result code
 - fixes to build warnings related missing headers and unused variables
 - fixes to clang build failures
 - cleanups to resctrl test
 - adds host arch for LLVM builds
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Merge tag 'linux_kselftest-next-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest updates from Shuah Khan:

 - make framework and tests reporting KTAP compliant

 - make ktap_helpers and power_supply test POSIX compliant

 - add ksft_exit_fail_perror() to include errono in string form

 - avoid clang reporting false positive static analysis errors about
   functions that exit and never return. ksft_exit* functions are marked
   __noreturn to address this problem

 - add mechanism for reporting a KSFT_ result code

 - fix build warnings related missing headers and unused variables

 - fix clang build failures

 - cleanups to resctrl test

 - add host arch for LLVM builds

* tag 'linux_kselftest-next-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (44 commits)
  selftests/sgx: Include KHDR_INCLUDES in Makefile
  selftests: Compile kselftest headers with -D_GNU_SOURCE
  selftests/resctrl: fix clang build warnings related to abs(), labs() calls
  selftests/ftrace: Fix checkbashisms errors
  selftests/ftrace: Fix BTFARG testcase to check fprobe is enabled correctly
  selftests/capabilities: fix warn_unused_result build warnings
  selftests: filesystems: add missing stddef header
  selftests: kselftest_deps: fix l5_test() empty variable
  selftests: default to host arch for LLVM builds
  selftests/resctrl: fix clang build failure: use LOCAL_HDRS
  selftests/binderfs: use the Makefile's rules, not Make's implicit rules
  Documentation: kselftest: fix codeblock
  selftests: kselftest: Make ksft_exit functions return void instead of int
  selftests: x86: ksft_exit_pass() does not return
  selftests: timers: ksft_exit functions do not return
  selftests: sync: ksft_exit_pass() does not return
  selftests/resctrl: ksft_exit_skip() does not return
  selftests: pidfd: ksft_exit functions do not return
  selftests/mm: ksft_exit functions do not return
  selftests: membarrier: ksft_exit_pass() does not return
  ...
 2024-05-14 11:36:54 -07:00
Linus Torvalds 4b768bf062 linux_kselftest-nolibc-6.10-rc1 
This nolibc update for Linux 6.10-rc1
 
 - adds support for uname(2)
 - removes open-coded strnlen()
 - exports strlen()
 - adds tests for strlcat() and strlcpy()
 - fixes memory error in realloc()
 - fixes strlcat() return code and size usage
 - fixes strlcpy() return code and size usage
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Merge tag 'linux_kselftest-nolibc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull nolibc updates from Shuah Khan:

 - add support for uname(2)

 - remove open-coded strnlen()

 - export strlen()

 - add tests for strlcat() and strlcpy()

 - fix memory error in realloc()

 - fix strlcat() and strlcpy() return code and size usage

* tag 'linux_kselftest-nolibc-6.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  tools/nolibc: add support for uname(2)
  tools/nolibc/string: remove open-coded strnlen()
  selftests/nolibc: Add tests for strlcat() and strlcpy()
  tools/nolibc: Fix strlcpy() return code and size usage
  tools/nolibc: Fix strlcat() return code and size usage
  tools/nolibc/string: export strlen()
  tools/nolibc/stdlib: fix memory error in realloc()
 2024-05-14 11:31:09 -07:00
Linus Torvalds 103916ffe2 arm64 updates for 6.10 
ACPI:
 * Support for the Firmware ACPI Control Structure (FACS) signature
   feature which is used to reboot out of hibernation on some systems.
 
 Kbuild:
 * Support for building Flat Image Tree (FIT) images, where the kernel
   Image is compressed alongside a set of devicetree blobs.
 
 Memory management:
 * Optimisation of our early page-table manipulation for creation of the
   linear mapping.
 
 * Support for userfaultfd write protection, which brings along some nice
   cleanups to our handling of invalid but present ptes.
 
 * Extend our use of range TLBI invalidation at EL1.
 
 Perf and PMUs:
 * Ensure that the 'pmu->parent' pointer is correctly initialised by PMU
   drivers.
 
 * Avoid allocating 'cpumask_t' types on the stack in some PMU drivers.
 
 * Fix parsing of the CPU PMU "version" field in assembly code, as it
   doesn't follow the usual architectural rules.
 
 * Add best-effort unwinding support for USER_STACKTRACE
 
 * Minor driver fixes and cleanups.
 
 Selftests:
 * Minor cleanups to the arm64 selftests (missing NULL check, unused
   variable).
 
 Miscellaneous
 * Add a command-line alias for disabling 32-bit application support.
 
 * Add part number for Neoverse-V2 CPUs.
 
 * Minor fixes and cleanups.
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 "The most interesting parts are probably the mm changes from Ryan which
  optimise the creation of the linear mapping at boot and (separately)
  implement write-protect support for userfaultfd.

  Outside of our usual directories, the Kbuild-related changes under
  scripts/ have been acked by Masahiro whilst the drivers/acpi/ parts
  have been acked by Rafael and the addition of cpumask_any_and_but()
  has been acked by Yury.

  ACPI:

   - Support for the Firmware ACPI Control Structure (FACS) signature
     feature which is used to reboot out of hibernation on some systems

  Kbuild:

   - Support for building Flat Image Tree (FIT) images, where the kernel
     Image is compressed alongside a set of devicetree blobs

  Memory management:

   - Optimisation of our early page-table manipulation for creation of
     the linear mapping

   - Support for userfaultfd write protection, which brings along some
     nice cleanups to our handling of invalid but present ptes

   - Extend our use of range TLBI invalidation at EL1

  Perf and PMUs:

   - Ensure that the 'pmu->parent' pointer is correctly initialised by
     PMU drivers

   - Avoid allocating 'cpumask_t' types on the stack in some PMU drivers

   - Fix parsing of the CPU PMU "version" field in assembly code, as it
     doesn't follow the usual architectural rules

   - Add best-effort unwinding support for USER_STACKTRACE

   - Minor driver fixes and cleanups

  Selftests:

   - Minor cleanups to the arm64 selftests (missing NULL check, unused
     variable)

  Miscellaneous:

   - Add a command-line alias for disabling 32-bit application support

   - Add part number for Neoverse-V2 CPUs

   - Minor fixes and cleanups"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (64 commits)
  arm64/mm: Fix pud_user_accessible_page() for PGTABLE_LEVELS <= 2
  arm64/mm: Add uffd write-protect support
  arm64/mm: Move PTE_PRESENT_INVALID to overlay PTE_NG
  arm64/mm: Remove PTE_PROT_NONE bit
  arm64/mm: generalize PMD_PRESENT_INVALID for all levels
  arm64: simplify arch_static_branch/_jump function
  arm64: Add USER_STACKTRACE support
  arm64: Add the arm64.no32bit_el0 command line option
  drivers/perf: hisi: hns3: Actually use devm_add_action_or_reset()
  drivers/perf: hisi: hns3: Fix out-of-bound access when valid event group
  drivers/perf: hisi_pcie: Fix out-of-bound access when valid event group
  kselftest: arm64: Add a null pointer check
  arm64: defer clearing DAIF.D
  arm64: assembler: update stale comment for disable_step_tsk
  arm64/sysreg: Update PIE permission encodings
  kselftest/arm64: Remove unused parameters in abi test
  perf/arm-spe: Assign parents for event_source device
  perf/arm-smmuv3: Assign parents for event_source device
  perf/arm-dsu: Assign parents for event_source device
  perf/arm-dmc620: Assign parents for event_source device
  ...
 2024-05-14 11:09:39 -07:00
Jakub Kicinski 654de42f3f Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 
Merge in late fixes to prepare for the 6.10 net-next PR.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-14 10:53:19 -07:00
Florian Westphal dc9dfd8ae4 selftests: netfilter: fix packetdrill conntrack testcase 
Some versions of conntrack(8) default to ipv4-only, so this needs to request
ipv6 explicitly, like all other spots already do.

Fixes: a8a388c2aa ("selftests: netfilter: add packetdrill based conntrack tests")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20240513114649.6d764307@kernel.org/
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240514144415.11433-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-14 10:50:31 -07:00
Linus Torvalds ecd83bcbed x86/cpu changes for v6.10: 
- Rework the x86 CPU vendor/family/model code: introduce the 'VFM'
    value that is an 8+8+8 bit concatenation of the vendor/family/model
    value, and add macros that work on VFM values. This simplifies the
    addition of new Intel models & families, and simplifies existing
    enumeration & quirk code.
 
  - Add support for the AMD 0x80000026 leaf, to better parse topology
    information.
 
  - Optimize the NUMA allocation layout of more per-CPU data structures
 
  - Improve the workaround for AMD erratum 1386
 
  - Clear TME from /proc/cpuinfo as well, when disabled by the firmware
 
  - Improve x86 self-tests
 
  - Extend the mce_record tracepoint with the ::ppin and ::microcode fields
 
  - Implement recovery for MCE errors in TDX/SEAM non-root mode
 
  - Misc cleanups and fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-cpu-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 cpu updates from Ingo Molnar:

 - Rework the x86 CPU vendor/family/model code: introduce the 'VFM'
   value that is an 8+8+8 bit concatenation of the vendor/family/model
   value, and add macros that work on VFM values. This simplifies the
   addition of new Intel models & families, and simplifies existing
   enumeration & quirk code.

 - Add support for the AMD 0x80000026 leaf, to better parse topology
   information

 - Optimize the NUMA allocation layout of more per-CPU data structures

 - Improve the workaround for AMD erratum 1386

 - Clear TME from /proc/cpuinfo as well, when disabled by the firmware

 - Improve x86 self-tests

 - Extend the mce_record tracepoint with the ::ppin and ::microcode fields

 - Implement recovery for MCE errors in TDX/SEAM non-root mode

 - Misc cleanups and fixes

* tag 'x86-cpu-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (34 commits)
  x86/mm: Switch to new Intel CPU model defines
  x86/tsc_msr: Switch to new Intel CPU model defines
  x86/tsc: Switch to new Intel CPU model defines
  x86/cpu: Switch to new Intel CPU model defines
  x86/resctrl: Switch to new Intel CPU model defines
  x86/microcode/intel: Switch to new Intel CPU model defines
  x86/mce: Switch to new Intel CPU model defines
  x86/cpu: Switch to new Intel CPU model defines
  x86/cpu/intel_epb: Switch to new Intel CPU model defines
  x86/aperfmperf: Switch to new Intel CPU model defines
  x86/apic: Switch to new Intel CPU model defines
  perf/x86/msr: Switch to new Intel CPU model defines
  perf/x86/intel/uncore: Switch to new Intel CPU model defines
  perf/x86/intel/pt: Switch to new Intel CPU model defines
  perf/x86/lbr: Switch to new Intel CPU model defines
  perf/x86/intel/cstate: Switch to new Intel CPU model defines
  x86/bugs: Switch to new Intel CPU model defines
  x86/bugs: Switch to new Intel CPU model defines
  x86/cpu/vfm: Update arch/x86/include/asm/intel-family.h
  x86/cpu/vfm: Add new macros to work with (vendor/family/model) values
  ...
 2024-05-13 18:44:44 -07:00
Linus Torvalds 6e5a0c30b6 Scheduler changes for v6.10: 
- Add cpufreq pressure feedback for the scheduler
 
  - Rework misfit load-balancing wrt. affinity restrictions
 
  - Clean up and simplify the code around ::overutilized and
    ::overload access.
 
  - Simplify sched_balance_newidle()
 
  - Bump SCHEDSTAT_VERSION to 16 due to a cleanup of CPU_MAX_IDLE_TYPES
    handling that changed the output.
 
  - Rework & clean up <asm/vtime.h> interactions wrt. arch_vtime_task_switch()
 
  - Reorganize, clean up and unify most of the higher level
    scheduler balancing function names around the sched_balance_*()
    prefix.
 
  - Simplify the balancing flag code (sched_balance_running)
 
  - Miscellaneous cleanups & fixes
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'sched-core-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull scheduler updates from Ingo Molnar:

 - Add cpufreq pressure feedback for the scheduler

 - Rework misfit load-balancing wrt affinity restrictions

 - Clean up and simplify the code around ::overutilized and
   ::overload access.

 - Simplify sched_balance_newidle()

 - Bump SCHEDSTAT_VERSION to 16 due to a cleanup of CPU_MAX_IDLE_TYPES
   handling that changed the output.

 - Rework & clean up <asm/vtime.h> interactions wrt arch_vtime_task_switch()

 - Reorganize, clean up and unify most of the higher level
   scheduler balancing function names around the sched_balance_*()
   prefix

 - Simplify the balancing flag code (sched_balance_running)

 - Miscellaneous cleanups & fixes

* tag 'sched-core-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (50 commits)
  sched/pelt: Remove shift of thermal clock
  sched/cpufreq: Rename arch_update_thermal_pressure() => arch_update_hw_pressure()
  thermal/cpufreq: Remove arch_update_thermal_pressure()
  sched/cpufreq: Take cpufreq feedback into account
  cpufreq: Add a cpufreq pressure feedback for the scheduler
  sched/fair: Fix update of rd->sg_overutilized
  sched/vtime: Do not include <asm/vtime.h> header
  s390/irq,nmi: Include <asm/vtime.h> header directly
  s390/vtime: Remove unused __ARCH_HAS_VTIME_TASK_SWITCH leftover
  sched/vtime: Get rid of generic vtime_task_switch() implementation
  sched/vtime: Remove confusing arch_vtime_task_switch() declaration
  sched/balancing: Simplify the sg_status bitmask and use separate ->overloaded and ->overutilized flags
  sched/fair: Rename set_rd_overutilized_status() to set_rd_overutilized()
  sched/fair: Rename SG_OVERLOAD to SG_OVERLOADED
  sched/fair: Rename {set|get}_rd_overload() to {set|get}_rd_overloaded()
  sched/fair: Rename root_domain::overload to ::overloaded
  sched/fair: Use helper functions to access root_domain::overload
  sched/fair: Check root_domain::overload value before update
  sched/fair: Combine EAS check with root_domain::overutilized access
  sched/fair: Simplify the continue_balancing logic in sched_balance_newidle()
  ...
 2024-05-13 17:18:51 -07:00
Linus Torvalds 17ca7fc22f Perf events changes for v6.10: 
- Combine perf and BPF for fast evalution of HW breakpoint
    conditions.
 
  - Add LBR capture support outside of hardware events
 
  - Trigger IO signals for watermark_wakeup
 
  - Add RAPL support for Intel Arrow Lake and Lunar Lake
 
  - Optimize frequency-throttling
 
  - Miscellaneous cleanups & fixes.
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf events updates from Ingo Molnar:

 - Combine perf and BPF for fast evalution of HW breakpoint
   conditions

 - Add LBR capture support outside of hardware events

 - Trigger IO signals for watermark_wakeup

 - Add RAPL support for Intel Arrow Lake and Lunar Lake

 - Optimize frequency-throttling

 - Miscellaneous cleanups & fixes

* tag 'perf-core-2024-05-13' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (21 commits)
  perf/bpf: Mark perf_event_set_bpf_handler() and perf_event_free_bpf_handler() as inline too
  selftests/perf_events: Test FASYNC with watermark wakeups
  perf/ring_buffer: Trigger IO signals for watermark_wakeup
  perf: Move perf_event_fasync() to perf_event.h
  perf/bpf: Change the !CONFIG_BPF_SYSCALL stubs to static inlines
  selftest/bpf: Test a perf BPF program that suppresses side effects
  perf/bpf: Allow a BPF program to suppress all sample side effects
  perf/bpf: Remove unneeded uses_default_overflow_handler()
  perf/bpf: Call BPF handler directly, not through overflow machinery
  perf/bpf: Remove #ifdef CONFIG_BPF_SYSCALL from struct perf_event members
  perf/bpf: Create bpf_overflow_handler() stub for !CONFIG_BPF_SYSCALL
  perf/bpf: Reorder bpf_overflow_handler() ahead of __perf_event_overflow()
  perf/x86/rapl: Add support for Intel Lunar Lake
  perf/x86/rapl: Add support for Intel Arrow Lake
  perf/core: Reduce PMU access to adjust sample freq
  perf/core: Optimize perf_adjust_freq_unthr_context()
  perf/x86/amd: Don't reject non-sampling events with configured LBR
  perf/x86/amd: Support capturing LBR from software events
  perf/x86/amd: Avoid taking branches before disabling LBR
  perf/x86/amd: Ensure amd_pmu_core_disable_all() is always inlined
  ...
 2024-05-13 17:13:47 -07:00
Jakub Kicinski 6e62702feb bpf-next-for-netdev 
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Daniel Borkmann says:

====================
pull-request: bpf-next 2024-05-13

We've added 119 non-merge commits during the last 14 day(s) which contain
a total of 134 files changed, 9462 insertions(+), 4742 deletions(-).

The main changes are:

1) Add BPF JIT support for 32-bit ARCv2 processors, from Shahab Vahedi.

2) Add BPF range computation improvements to the verifier in particular
   around XOR and OR operators, refactoring of checks for range computation
   and relaxing MUL range computation so that src_reg can also be an unknown
   scalar, from Cupertino Miranda.

3) Add support to attach kprobe BPF programs through kprobe_multi link in
   a session mode, meaning, a BPF program is attached to both function entry
   and return, the entry program can decide if the return program gets
   executed and the entry program can share u64 cookie value with return
   program. Session mode is a common use-case for tetragon and bpftrace,
   from Jiri Olsa.

4) Fix a potential overflow in libbpf's ring__consume_n() and improve libbpf
   as well as BPF selftest's struct_ops handling, from Andrii Nakryiko.

5) Improvements to BPF selftests in context of BPF gcc backend,
   from Jose E. Marchesi & David Faust.

6) Migrate remaining BPF selftest tests from test_sock_addr.c to prog_test-
   -style in order to retire the old test, run it in BPF CI and additionally
   expand test coverage, from Jordan Rife.

7) Big batch for BPF selftest refactoring in order to remove duplicate code
   around common network helpers, from Geliang Tang.

8) Another batch of improvements to BPF selftests to retire obsolete
   bpf_tcp_helpers.h as everything is available vmlinux.h,
   from Martin KaFai Lau.

9) Fix BPF map tear-down to not walk the map twice on free when both timer
   and wq is used, from Benjamin Tissoires.

10) Fix BPF verifier assumptions about socket->sk that it can be non-NULL,
    from Alexei Starovoitov.

11) Change BTF build scripts to using --btf_features for pahole v1.26+,
    from Alan Maguire.

12) Small improvements to BPF reusing struct_size() and krealloc_array(),
    from Andy Shevchenko.

13) Fix s390 JIT to emit a barrier for BPF_FETCH instructions,
    from Ilya Leoshkevich.

14) Extend TCP ->cong_control() callback in order to feed in ack and
    flag parameters and allow write-access to tp->snd_cwnd_stamp
    from BPF program, from Miao Xu.

15) Add support for internal-only per-CPU instructions to inline
    bpf_get_smp_processor_id() helper call for arm64 and riscv64 BPF JITs,
    from Puranjay Mohan.

16) Follow-up to remove the redundant ethtool.h from tooling infrastructure,
    from Tushar Vyavahare.

17) Extend libbpf to support "module:<function>" syntax for tracing
    programs, from Viktor Malik.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (119 commits)
  bpf: make list_for_each_entry portable
  bpf: ignore expected GCC warning in test_global_func10.c
  bpf: disable strict aliasing in test_global_func9.c
  selftests/bpf: Free strdup memory in xdp_hw_metadata
  selftests/bpf: Fix a few tests for GCC related warnings.
  bpf: avoid gcc overflow warning in test_xdp_vlan.c
  tools: remove redundant ethtool.h from tooling infra
  selftests/bpf: Expand ATTACH_REJECT tests
  selftests/bpf: Expand getsockname and getpeername tests
  sefltests/bpf: Expand sockaddr hook deny tests
  selftests/bpf: Expand sockaddr program return value tests
  selftests/bpf: Retire test_sock_addr.(c|sh)
  selftests/bpf: Remove redundant sendmsg test cases
  selftests/bpf: Migrate ATTACH_REJECT test cases
  selftests/bpf: Migrate expected_attach_type tests
  selftests/bpf: Migrate wildcard destination rewrite test
  selftests/bpf: Migrate sendmsg6 v4 mapped address tests
  selftests/bpf: Migrate sendmsg deny test cases
  selftests/bpf: Migrate WILDCARD_IP test
  selftests/bpf: Handle SYSCALL_EPERM and SYSCALL_ENOTSUPP test cases
  ...
====================

Link: https://lore.kernel.org/r/20240513134114.17575-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 16:41:10 -07:00
Lukasz Majewski eafbf0574e test: hsr: Extend the hsr_redbox.sh to have more SAN devices connected 
After this change the single SAN device (ns3eth1) is now replaced with
two SAN devices - respectively ns4eth1 and ns5eth1.

It is possible to extend this script to have more SAN devices connected
by adding them to ns3br1 bridge.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Link: https://lore.kernel.org/r/20240510143710.3916631-1-lukma@denx.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 16:02:22 -07:00
Antonio Quartulli ec8c25746e ynl: ensure exact-len value is resolved 
For type String and Binary we are currently usinig the exact-len
limit value as is without attempting any name resolution.
However, the spec may specify the name of a constant rather than an
actual value, which would result in using the constant name as is
and thus break the policy.

Ensure the limit value is passed to get_limit(), which will always
attempt resolving the name before printing the policy rule.

Signed-off-by: Antonio Quartulli <a@unstable.cc>
Link: https://lore.kernel.org/r/20240510232202.24051-1-a@unstable.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 14:59:24 -07:00
Daniel Jurgens b56035101e netdev: Add queue stats for TX stop and wake 
TX queue stop and wake are counted by some drivers.
Support reporting these via netdev-genl queue stats.

Signed-off-by: Daniel Jurgens <danielj@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Link: https://lore.kernel.org/r/20240510201927.1821109-2-danielj@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 14:58:36 -07:00
Richard Gobert bc21faefbe selftests/net: add flush id selftests 
Added flush id selftests to test different cases where DF flag is set or
unset and id value changes in the following packets. All cases where the
packets should coalesce or should not coalesce are tested.

Signed-off-by: Richard Gobert <richardbgobert@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240509190819.2985-4-richardbgobert@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 14:44:06 -07:00
Florian Westphal 5fcc17dfe0 selftests: netfilter: nft_flowtable.sh: bump socat timeout to 1m 
Now that this test runs in netdev CI it looks like 10s isn't enough
for debug kernels:
  selftests: net/netfilter: nft_flowtable.sh
  2024/05/10 20:33:08 socat[12204] E write(7, 0x563feb16a000, 8192): Broken pipe
  FAIL: file mismatch for ns1 -> ns2
  -rw------- 1 root root 37345280 May 10 20:32 /tmp/tmp.Am0yEHhNqI
 ...

Looks like socat gets zapped too quickly, so increase timeout to 1m.

Could also reduce tx file size for KSFT_MACHINE_SLOW, but its preferrable
to have same test for both debug and nondebug.

Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://lore.kernel.org/r/20240511064814.561525-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 14:36:26 -07:00
Vladimir Oltean cfc2eefd40 selftests: net: use upstream mtools 
Joachim kindly merged the IPv6 support in
https://github.com/troglobit/mtools/pull/2, so we can just use his
version now. A few more fixes subsequently came in for IPv6, so even
better.

Check that the deployed mtools version is 3.0 or above. Note that the
version check breaks compatibility with my fork where I didn't bump the
version, but I assume that won't be a problem.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20240510112856.1262901-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 13:54:33 -07:00
Colin Ian King f37dc28ac6 selftest: epoll_busy_poll: Fix spelling mistake "couldnt" -> "couldn't" 
There is a spelling mistake in a TH_LOG message. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240510084811.3299685-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 13:53:53 -07:00
Jakub Kicinski c85e41bfe7 netfilter pull request 24-05-12 
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Merge tag 'nf-next-24-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next

Pablo Neira Ayuso says:

====================
Netfilter updates for net-next

The following patchset contains Netfilter updates for net-next:

Patch #1 skips transaction if object type provides no .update interface.

Patch #2 skips NETDEV_CHANGENAME which is unused.

Patch #3 enables conntrack to handle Multicast Router Advertisements and
	 Multicast Router Solicitations from the Multicast Router Discovery
	 protocol (RFC4286) as untracked opposed to invalid packets.
	 From Linus Luessing.

Patch #4 updates DCCP conntracker to mark invalid as invalid, instead of
	 dropping them, from Jason Xing.

Patch #5 uses NF_DROP instead of -NF_DROP since NF_DROP is 0,
	 also from Jason.

Patch #6 removes reference in netfilter's sysctl documentation on pickup
	 entries which were already removed by Florian Westphal.

Patch #7 removes check for IPS_OFFLOAD flag to disable early drop which
	 allows to evict entries from the conntrack table,
	 also from Florian.

Patches #8 to #16 updates nf_tables pipapo set backend to allocate
	 the datastructure copy on-demand from preparation phase,
	 to better deal with OOM situations where .commit step is too late
	 to fail. Series from Florian Westphal.

Patch #17 adds a selftest with packetdrill to cover conntrack TCP state
	 transitions, also from Florian.

Patch #18 use GFP_KERNEL to clone elements from control plane to avoid
	 quick atomic reserves exhaustion with large sets, reporter refers
	 to million entries magnitude.

* tag 'nf-next-24-05-12' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
  netfilter: nf_tables: allow clone callbacks to sleep
  selftests: netfilter: add packetdrill based conntrack tests
  netfilter: nft_set_pipapo: remove dirty flag
  netfilter: nft_set_pipapo: move cloning of match info to insert/removal path
  netfilter: nft_set_pipapo: prepare pipapo_get helper for on-demand clone
  netfilter: nft_set_pipapo: merge deactivate helper into caller
  netfilter: nft_set_pipapo: prepare walk function for on-demand clone
  netfilter: nft_set_pipapo: prepare destroy function for on-demand clone
  netfilter: nft_set_pipapo: make pipapo_clone helper return NULL
  netfilter: nft_set_pipapo: move prove_locking helper around
  netfilter: conntrack: remove flowtable early-drop test
  netfilter: conntrack: documentation: remove reference to non-existent sysctl
  netfilter: use NF_DROP instead of -NF_DROP
  netfilter: conntrack: dccp: try not to drop skb in conntrack
  netfilter: conntrack: fix ct-state for ICMPv6 Multicast Router Discovery
  netfilter: nf_tables: remove NETDEV_CHANGENAME from netdev chain event handler
  netfilter: nf_tables: skip transaction if update object is not implemented
====================

Link: https://lore.kernel.org/r/20240512161436.168973-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 13:12:35 -07:00
Jakub Kicinski c9f9df3f63 bpf-for-netdev 
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2024-05-13

We've added 3 non-merge commits during the last 2 day(s) which contain
a total of 2 files changed, 62 insertions(+), 8 deletions(-).

The main changes are:

1) Fix a case where syzkaller found that it's unexpectedly possible
   to attach a cgroup_skb program to the sockopt hooks. The fix adds
   missing attach_type enforcement for the link_create case along
   with selftests, from Stanislav Fomichev.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  selftests/bpf: Add sockopt case to verify prog_type
  selftests/bpf: Extend sockopt tests to use BPF_LINK_CREATE
  bpf: Add BPF_PROG_TYPE_CGROUP_SKB attach type enforcement in BPF_LINK_CREATE
====================

Link: https://lore.kernel.org/r/20240513041845.31040-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
 2024-05-13 13:10:48 -07:00
Rafael J. Wysocki e573d27e18 Merge branches 'acpi-tools', 'acpi-docs' and 'pnp' 
Merge an ACPI pfrut utility update, an ACPI documentation update and a
PNP update for 6.10:

 - Fix a typo in the ACPI documentation regarding the layout of sysfs
   subdirectory representing the ACPI namespace (John Watts).

 - Make the ACPI pfrut utility print the update_cap field during
   capability query (Chen Yu).

 - Add HAS_IOPORT dependencies to PNP (Niklas Schnelle).

* acpi-tools:
  ACPI: tools: pfrut: Print the update_cap field during capability query

* acpi-docs:
  Documentation: firmware-guide: ACPI: Fix namespace typo

* pnp:
  PNP: add HAS_IOPORT dependencies
 2024-05-13 21:03:24 +02:00
Linus Torvalds 1b0aabcc9a vfs-6.10.misc 
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Merge tag 'vfs-6.10.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

Pull misc vfs updates from Christian Brauner:
 "This contains the usual miscellaneous features, cleanups, and fixes
  for vfs and individual fses.

  Features:

   - Free up FMODE_* bits. I've freed up bits 6, 7, 8, and 24. That
     means we now have six free FMODE_* bits in total (but bit #6
     already got used for FMODE_WRITE_RESTRICTED)

   - Add FOP_HUGE_PAGES flag (follow-up to FMODE_* cleanup)

   - Add fd_raw cleanup class so we can make use of automatic cleanup
     provided by CLASS(fd_raw, f)(fd) for O_PATH fds as well

   - Optimize seq_puts()

   - Simplify __seq_puts()

   - Add new anon_inode_getfile_fmode() api to allow specifying f_mode
     instead of open-coding it in multiple places

   - Annotate struct file_handle with __counted_by() and use
     struct_size()

   - Warn in get_file() whether f_count resurrection from zero is
     attempted (epoll/drm discussion)

   - Folio-sophize aio

   - Export the subvolume id in statx() for both btrfs and bcachefs

   - Relax linkat(AT_EMPTY_PATH) requirements

   - Add F_DUPFD_QUERY fcntl() allowing to compare two file descriptors
     for dup*() equality replacing kcmp()

  Cleanups:

   - Compile out swapfile inode checks when swap isn't enabled

   - Use (1 << n) notation for FMODE_* bitshifts for clarity

   - Remove redundant variable assignment in fs/direct-io

   - Cleanup uses of strncpy in orangefs

   - Speed up and cleanup writeback

   - Move fsparam_string_empty() helper into header since it's currently
     open-coded in multiple places

   - Add kernel-doc comments to proc_create_net_data_write()

   - Don't needlessly read dentry->d_flags twice

  Fixes:

   - Fix out-of-range warning in nilfs2

   - Fix ecryptfs overflow due to wrong encryption packet size
     calculation

   - Fix overly long line in xfs file_operations (follow-up to FMODE_*
     cleanup)

   - Don't raise FOP_BUFFER_{R,W}ASYNC for directories in xfs (follow-up
     to FMODE_* cleanup)

   - Don't call xfs_file_open from xfs_dir_open (follow-up to FMODE_*
     cleanup)

   - Fix stable offset api to prevent endless loops

   - Fix afs file server rotations

   - Prevent xattr node from overflowing the eraseblock in jffs2

   - Move fdinfo PTRACE_MODE_READ procfs check into the .permission()
     operation instead of .open() operation since this caused userspace
     regressions"

* tag 'vfs-6.10.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (39 commits)
  afs: Fix fileserver rotation getting stuck
  selftests: add F_DUPDFD_QUERY selftests
  fcntl: add F_DUPFD_QUERY fcntl()
  file: add fd_raw cleanup class
  fs: WARN when f_count resurrection is attempted
  seq_file: Simplify __seq_puts()
  seq_file: Optimize seq_puts()
  proc: Move fdinfo PTRACE_MODE_READ check into the inode .permission operation
  fs: Create anon_inode_getfile_fmode()
  xfs: don't call xfs_file_open from xfs_dir_open
  xfs: drop fop_flags for directories
  xfs: fix overly long line in the file_operations
  shmem: Fix shmem_rename2()
  libfs: Add simple_offset_rename() API
  libfs: Fix simple_offset_rename_exchange()
  jffs2: prevent xattr node from overflowing the eraseblock
  vfs, swap: compile out IS_SWAPFILE() on swapless configs
  vfs: relax linkat() AT_EMPTY_PATH - aka flink() - requirements
  fs/direct-io: remove redundant assignment to variable retval
  fs/dcache: Re-use value stored to dentry->d_flags instead of re-reading
  ...
 2024-05-13 11:40:06 -07:00
Linus Torvalds c0b9620bc3 RCU pull request for v6.10 
This pull request contains the following branches:
 
 fixes.2024.04.15a: Fix a lockdep complain for lazy-preemptible kernel,
 remove redundant BH disable for TINY_RCU, remove redundant READ_ONCE()
 in tree.c, fix false positives KCSAN splat and fix buffer overflow in
 the print_cpu_stall_info().
 
 misc.2024.04.12a: Misc updates related to bpf, tracing and update the
 MAINTAINERS file.
 
 rcu-sync-normal-improve.2024.04.15a: An improvement of a normal
 synchronize_rcu() call in terms of latency. It maintains a separate
 track for sync. users only. This approach bypasses per-cpu nocb-lists
 thus sync-users do not depend on nocb-list length and how fast regular
 callbacks are processed.
 
 rcu-tasks.2024.04.15a: RCU tasks, switch tasks RCU grace periods to
 sleep at TASK_IDLE priority, fix some comments, add some diagnostic
 warning to the exit_tasks_rcu_start() and fix a buffer overflow in
 the show_rcu_tasks_trace_gp_kthread().
 
 rcutorture.2024.04.15a: Increase memory to guest OS, fix a Tasks
 Rude RCU testing, some updates for TREE09, dump mode information
 to debug GP kthread state, remove redundant READ_ONCE(), fix some
 comments about RCU_TORTURE_PIPE_LEN and pipe_count, remove some
 redundant pointer initialization, fix a hung splat task by when
 the rcutorture tests start to exit, fix invalid context warning,
 add '--do-kvfree' parameter to torture test and use slow register
 unregister callbacks only for rcutype test.
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Merge tag 'rcu.next.v6.10' of https://github.com/urezki/linux

Pull RCU updates from Uladzislau Rezki:

 - Fix a lockdep complain for lazy-preemptible kernel, remove redundant
   BH disable for TINY_RCU, remove redundant READ_ONCE() in tree.c, fix
   false positives KCSAN splat and fix buffer overflow in the
   print_cpu_stall_info().

 - Misc updates related to bpf, tracing and update the MAINTAINERS file.

 - An improvement of a normal synchronize_rcu() call in terms of
   latency. It maintains a separate track for sync. users only. This
   approach bypasses per-cpu nocb-lists thus sync-users do not depend on
   nocb-list length and how fast regular callbacks are processed.

 - RCU tasks: switch tasks RCU grace periods to sleep at TASK_IDLE
   priority, fix some comments, add some diagnostic warning to the
   exit_tasks_rcu_start() and fix a buffer overflow in the
   show_rcu_tasks_trace_gp_kthread().

 - RCU torture: Increase memory to guest OS, fix a Tasks Rude RCU
   testing, some updates for TREE09, dump mode information to debug GP
   kthread state, remove redundant READ_ONCE(), fix some comments about
   RCU_TORTURE_PIPE_LEN and pipe_count, remove some redundant pointer
   initialization, fix a hung splat task by when the rcutorture tests
   start to exit, fix invalid context warning, add '--do-kvfree'
   parameter to torture test and use slow register unregister callbacks
   only for rcutype test.

* tag 'rcu.next.v6.10' of https://github.com/urezki/linux: (48 commits)
  rcutorture: Use rcu_gp_slow_register/unregister() only for rcutype test
  torture: Scale --do-kvfree test time
  rcutorture: Fix invalid context warning when enable srcu barrier testing
  rcutorture: Make stall-tasks directly exit when rcutorture tests end
  rcutorture: Removing redundant function pointer initialization
  rcutorture: Make rcutorture support print rcu-tasks gp state
  rcutorture: Use the gp_kthread_dbg operation specified by cur_ops
  rcutorture: Re-use value stored to ->rtort_pipe_count instead of re-reading
  rcutorture: Fix rcu_torture_one_read() pipe_count overflow comment
  rcutorture: Remove extraneous rcu_torture_pipe_update_one() READ_ONCE()
  rcu: Allocate WQ with WQ_MEM_RECLAIM bit set
  rcu: Support direct wake-up of synchronize_rcu() users
  rcu: Add a trace event for synchronize_rcu_normal()
  rcu: Reduce synchronize_rcu() latency
  rcu: Fix buffer overflow in print_cpu_stall_info()
  rcu: Mollify sparse with RCU guard
  rcu-tasks: Fix show_rcu_tasks_trace_gp_kthread buffer overflow
  rcu-tasks: Fix the comments for tasks_rcu_exit_srcu_stall_timer
  rcu-tasks: Replace exit_tasks_rcu_start() initialization with WARN_ON_ONCE()
  rcu: Remove redundant CONFIG_PROVE_RCU #if condition
  ...
 2024-05-13 09:49:06 -07:00
Linus Torvalds 14a60290ed soc: drivers for 6.10 
As usual, these are updates for drivers that are specific to certain
 SoCs or firmware running on them. Notable updates include
 
  - The new STMicroelectronics STM32 "firewall" bus driver that is
    used to provide a barrier between different parts of an SoC
 
  - Lots of updates for the Qualcomm platform drivers, in particular
    SCM, which gets a rewrite of its initialization code
 
  - Firmware driver updates for Arm FF-A notification interrupts
    and indirect messaging, SCMI firmware support for pin control
    and vendor specific interfaces, and TEE firmware interface
    changes across multiple TEE drivers
 
  - A larger cleanup of the Mediatek CMDQ driver and some related bits
 
  - Kconfig changes for riscv drivers to prepare for adding Kanaan
    k230 support
 
  - Multiple minor updates for the TI sysc bus driver, memory controllers,
    hisilicon hccs and more
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Merge tag 'soc-drivers-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull SoC driver updates from Arnd Bergmann:
 "As usual, these are updates for drivers that are specific to certain
  SoCs or firmware running on them.

  Notable updates include

   - The new STMicroelectronics STM32 "firewall" bus driver that is used
     to provide a barrier between different parts of an SoC

   - Lots of updates for the Qualcomm platform drivers, in particular
     SCM, which gets a rewrite of its initialization code

   - Firmware driver updates for Arm FF-A notification interrupts and
     indirect messaging, SCMI firmware support for pin control and
     vendor specific interfaces, and TEE firmware interface changes
     across multiple TEE drivers

   - A larger cleanup of the Mediatek CMDQ driver and some related bits

   - Kconfig changes for riscv drivers to prepare for adding Kanaan k230
     support

   - Multiple minor updates for the TI sysc bus driver, memory
     controllers, hisilicon hccs and more"

* tag 'soc-drivers-6.10' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (103 commits)
  firmware: qcom: uefisecapp: Allow on sc8180x Primus and Flex 5G
  soc: qcom: pmic_glink: Make client-lock non-sleeping
  dt-bindings: soc: qcom,wcnss: fix bluetooth address example
  soc/tegra: pmc: Add EQOS wake event for Tegra194 and Tegra234
  bus: stm32_firewall: fix off by one in stm32_firewall_get_firewall()
  bus: etzpc: introduce ETZPC firewall controller driver
  firmware: arm_ffa: Avoid queuing work when running on the worker queue
  bus: ti-sysc: Drop legacy idle quirk handling
  bus: ti-sysc: Drop legacy quirk handling for smartreflex
  bus: ti-sysc: Drop legacy quirk handling for uarts
  bus: ti-sysc: Add a description and copyrights
  bus: ti-sysc: Move check for no-reset-on-init
  soc: hisilicon: kunpeng_hccs: replace MAILBOX dependency with PCC
  soc: hisilicon: kunpeng_hccs: Add the check for obtaining complete port attribute
  firmware: arm_ffa: Fix memory corruption in ffa_msg_send2()
  bus: rifsc: introduce RIFSC firewall controller driver
  of: property: fw_devlink: Add support for "access-controller"
  soc: mediatek: mtk-socinfo: Correct the marketing name for MT8188GV
  soc: mediatek: mtk-socinfo: Add entry for MT8395AV/ZA Genio 1200
  soc: mediatek: mtk-mutex: Add support for MT8188 VPPSYS
  ...
 2024-05-13 08:48:42 -07:00
Jose E. Marchesi ba39486d2c bpf: make list_for_each_entry portable 
[Changes from V1:
- The __compat_break has been abandoned in favor of
  a more readable can_loop macro that can be used anywhere, including
  loop conditions.]

The macro list_for_each_entry is defined in bpf_arena_list.h as
follows:

  #define list_for_each_entry(pos, head, member)				\
	for (void * ___tmp = (pos = list_entry_safe((head)->first,		\
						    typeof(*(pos)), member),	\
			      (void *)0);					\
	     pos && ({ ___tmp = (void *)pos->member.next; 1; });		\
	     cond_break,							\
	     pos = list_entry_safe((void __arena *)___tmp, typeof(*(pos)), member))

The macro cond_break, in turn, expands to a statement expression that
contains a `break' statement.  Compound statement expressions, and the
subsequent ability of placing statements in the header of a `for'
loop, are GNU extensions.

Unfortunately, clang implements this GNU extension differently than
GCC:

- In GCC the `break' statement is bound to the containing "breakable"
  context in which the defining `for' appears.  If there is no such
  context, GCC emits a warning: break statement without enclosing `for'
  o `switch' statement.

- In clang the `break' statement is bound to the defining `for'.  If
  the defining `for' is itself inside some breakable construct, then
  clang emits a -Wgcc-compat warning.

This patch adds a new macro can_loop to bpf_experimental, that
implements the same logic than cond_break but evaluates to a boolean
expression.  The patch also changes all the current instances of usage
of cond_break withing the header of loop accordingly.

Tested in bpf-next master.
No regressions.

Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Cc: david.faust@oracle.com
Cc: cupertino.miranda@oracle.com
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Link: https://lore.kernel.org/r/20240511212243.23477-1-jose.marchesi@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:41:44 -07:00
Jose E. Marchesi 6a2f786e69 bpf: ignore expected GCC warning in test_global_func10.c 
The BPF selftest global_func10 in progs/test_global_func10.c contains:

  struct Small {
  	long x;
  };

  struct Big {
  	long x;
  	long y;
  };

  [...]

  __noinline int foo(const struct Big *big)
  {
	if (!big)
		return 0;

	return bpf_get_prandom_u32() < big->y;
  }

  [...]

  SEC("cgroup_skb/ingress")
  __failure __msg("invalid indirect access to stack")
  int global_func10(struct __sk_buff *skb)
  {
	const struct Small small = {.x = skb->len };

	return foo((struct Big *)&small) ? 1 : 0;
  }

GCC emits a "maybe uninitialized" warning for the code above, because
it knows `foo' accesses `big->y'.

Since the purpose of this selftest is to check that the verifier will
fail on this sort of invalid memory access, this patch just silences
the compiler warning.

Tested in bpf-next master.
No regressions.

Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Cc: david.faust@oracle.com
Cc: cupertino.miranda@oracle.com
Cc: Yonghong Song <yonghong.song@linux.dev>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240511212349.23549-1-jose.marchesi@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:31:24 -07:00
Jose E. Marchesi 73868988c9 bpf: disable strict aliasing in test_global_func9.c 
The BPF selftest test_global_func9.c performs type punning and breaks
srict-aliasing rules.

In particular, given:

  int global_func9(struct __sk_buff *skb)
  {
	int result = 0;

	[...]
	{
		const struct C c = {.x = skb->len, .y = skb->family };

		result |= foo((const struct S *)&c);
	}
  }

When building with strict-aliasing enabled (the default) the
initialization of `c' gets optimized away in its entirely:

	[... no initialization of `c' ...]
	r1 = r10
	r1 += -40
	call	foo
	w0 |= w6

Since GCC knows that `foo' accesses s->x, we get a "maybe
uninitialized" warning.

On the other hand, when strict-aliasing is disabled GCC only optimizes
away the store to `.y':

	r1 = *(u32 *) (r6+0)
	*(u32 *) (r10+-40) = r1  ; This is .x = skb->len in `c'
	r1 = r10
	r1 += -40
	call	foo
	w0 |= w6

In this case the warning is not emitted, because s-> is initialized.

This patch disables strict aliasing in this test when building with
GCC.  clang seems to not optimize this particular code even when
strict aliasing is enabled.

Tested in bpf-next master.

Signed-off-by: Jose E. Marchesi <jose.marchesi@oracle.com>
Cc: david.faust@oracle.com
Cc: cupertino.miranda@oracle.com
Cc: Yonghong Song <yonghong.song@linux.dev>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Link: https://lore.kernel.org/r/20240511212213.23418-1-jose.marchesi@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:30:15 -07:00
Geliang Tang a3c1c95538 selftests/bpf: Free strdup memory in xdp_hw_metadata 
The strdup() function returns a pointer to a new string which is a
duplicate of the string "ifname". Memory for the new string is obtained
with malloc(), and need to be freed with free().

This patch adds this missing "free(saved_hwtstamp_ifname)" in cleanup()
to avoid a potential memory leak in xdp_hw_metadata.c.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Link: https://lore.kernel.org/r/af9bcccb96655e82de5ce2b4510b88c9c8ed5ed0.1715417367.git.tanggeliang@kylinos.cn
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:28:42 -07:00
Cupertino Miranda 5ddafcc377 selftests/bpf: Fix a few tests for GCC related warnings. 
This patch corrects a few warnings to allow selftests to compile for
GCC.

-- progs/cpumask_failure.c --

progs/bpf_misc.h:136:22: error: ‘cpumask’ is used uninitialized
[-Werror=uninitialized]
  136 | #define __sink(expr) asm volatile("" : "+g"(expr))
      |                      ^~~
progs/cpumask_failure.c:68:9: note: in expansion of macro ‘__sink’
   68 |         __sink(cpumask);

The macro __sink(cpumask) with the '+' contraint modifier forces the
the compiler to expect a read and write from cpumask. GCC detects
that cpumask is never initialized and reports an error.
This patch removes the spurious non required definitions of cpumask.

-- progs/dynptr_fail.c --

progs/dynptr_fail.c:1444:9: error: ‘ptr1’ may be used uninitialized
[-Werror=maybe-uninitialized]
 1444 |         bpf_dynptr_clone(&ptr1, &ptr2);

Many of the tests in the file are related to the detection of
uninitialized pointers by the verifier. GCC is able to detect possible
uninitialized values, and reports this as an error.
The patch initializes all of the previous uninitialized structs.

-- progs/test_tunnel_kern.c --

progs/test_tunnel_kern.c:590:9: error: array subscript 1 is outside
array bounds of ‘struct geneve_opt[1]’ [-Werror=array-bounds=]
  590 |         *(int *) &gopt.opt_data = bpf_htonl(0xdeadbeef);
      |         ^~~~~~~~~~~~~~~~~~~~~~~
progs/test_tunnel_kern.c:575:27: note: at offset 4 into object ‘gopt’ of
size 4
  575 |         struct geneve_opt gopt;

This tests accesses beyond the defined data for the struct geneve_opt
which contains as last field "u8 opt_data[0]" which clearly does not get
reserved space (in stack) in the function header. This pattern is
repeated in ip6geneve_set_tunnel and geneve_set_tunnel functions.
GCC is able to see this and emits a warning.
The patch introduces a local struct that allocates enough space to
safely allow the write to opt_data field.

-- progs/jeq_infer_not_null_fail.c --

progs/jeq_infer_not_null_fail.c:21:40: error: array subscript ‘struct
bpf_map[0]’ is partly outside array bounds of ‘struct <anonymous>[1]’
[-Werror=array-bounds=]
   21 |         struct bpf_map *inner_map = map->inner_map_meta;
      |                                        ^~
progs/jeq_infer_not_null_fail.c:14:3: note: object ‘m_hash’ of size 32
   14 | } m_hash SEC(".maps");

This example defines m_hash in the context of the compilation unit and
casts it to struct bpf_map which is much smaller than the size of struct
bpf_map. It errors out in GCC when it attempts to access an element that
would be defined in struct bpf_map outsize of the defined limits for
m_hash.
This patch disables the warning through a GCC pragma.

This changes were tested in bpf-next master selftests without any
regressions.

Signed-off-by: Cupertino Miranda <cupertino.miranda@oracle.com>
Cc: jose.marchesi@oracle.com
Cc: david.faust@oracle.com
Cc: Yonghong Song <yonghong.song@linux.dev>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Link: https://lore.kernel.org/r/20240510183850.286661-2-cupertino.miranda@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:25:14 -07:00
David Faust 792a04bed4 bpf: avoid gcc overflow warning in test_xdp_vlan.c 
This patch fixes an integer overflow warning raised by GCC in
xdp_prognum1 of progs/test_xdp_vlan.c:

  GCC-BPF  [test_maps] test_xdp_vlan.bpf.o
progs/test_xdp_vlan.c: In function 'xdp_prognum1':
progs/test_xdp_vlan.c:163:25: error: integer overflow in expression
 '(short int)(((__builtin_constant_p((int)vlan_hdr->h_vlan_TCI)) != 0
   ? (int)(short unsigned int)((short int)((int)vlan_hdr->h_vlan_TCI
   << 8 >> 8) << 8 | (short int)((int)vlan_hdr->h_vlan_TCI << 0 >> 8
   << 0)) & 61440 : (int)__builtin_bswap16(vlan_hdr->h_vlan_TCI)
   & 61440) << 8 >> 8) << 8' of type 'short int' results in '0' [-Werror=overflow]
  163 |                         bpf_htons((bpf_ntohs(vlan_hdr->h_vlan_TCI) & 0xf000)
      |                         ^~~~~~~~~

The problem lies with the expansion of the bpf_htons macro and the
expression passed into it.  The bpf_htons macro (and similarly the
bpf_ntohs macro) expand to a ternary operation using either
__builtin_bswap16 or ___bpf_swab16 to swap the bytes, depending on
whether the expression is constant.

For an expression, with 'value' as a u16, like:

  bpf_htons (value & 0xf000)

The entire (value & 0xf000) is 'x' in the expansion of ___bpf_swab16
and we get as one part of the expanded swab16:

  ((__u16)(value & 0xf000) << 8 >> 8 << 8

This will always evaluate to 0, which is intentional since this
subexpression deals with the byte guaranteed to be 0 by the mask.

However, GCC warns because the precise reason this always evaluates to 0
is an overflow.  Specifically, the plain 0xf000 in the expression is a
signed 32-bit integer, which causes 'value' to also be promoted to a
signed 32-bit integer, and the combination of the 8-bit left shift and
down-cast back to __u16 results in a signed overflow (really a 'warning:
overflow in conversion from int to __u16' which is propegated up through
the rest of the expression leading to the ultimate overflow warning
above), which is a valid warning despite being the intended result of
this code.

Clang does not warn on this case, likely because it performs constant
folding later in the compilation process relative to GCC.  It seems that
by the time clang does constant folding for this expression, the side of
the ternary with this overflow has already been discarded.

Fortunately, this warning is easily silenced by simply making the 0xf000
mask explicitly unsigned.  This has no impact on the result.

Signed-off-by: David Faust <david.faust@oracle.com>
Cc: jose.marchesi@oracle.com
Cc: cupertino.miranda@oracle.com
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240508193512.152759-1-david.faust@oracle.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:19:32 -07:00
Tushar Vyavahare bbe91a9f68 tools: remove redundant ethtool.h from tooling infra 
Remove the redundant ethtool.h header file from tools/include/uapi/linux.
The file is unnecessary as the system uses the kernel's
include/uapi/linux/ethtool.h directly.

Signed-off-by: Tushar Vyavahare <tushar.vyavahare@intel.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20240508104123.434769-1-tushar.vyavahare@intel.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:17:55 -07:00
Jordan Rife a3d3eb957d selftests/bpf: Expand ATTACH_REJECT tests 
This expands coverage for ATTACH_REJECT tests to include connect_unix,
sendmsg_unix, recvmsg*, getsockname*, and getpeername*.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-18-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife bc467e953e selftests/bpf: Expand getsockname and getpeername tests 
This expands coverage for getsockname and getpeername hooks to include
getsockname4, getsockname6, getpeername4, and getpeername6.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-17-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife dfb7539b47 sefltests/bpf: Expand sockaddr hook deny tests 
This patch expands test coverage for EPERM tests to include connect and
bind calls and rounds out the coverage for sendmsg by adding tests for
sendmsg_unix.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-16-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife 1e0a8367c8 selftests/bpf: Expand sockaddr program return value tests 
This patch expands verifier coverage for program return values to cover
bind, connect, sendmsg, getsockname, and getpeername hooks. It also
rounds out the recvmsg coverage by adding test cases for recvmsg_unix
hooks.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-15-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife 61ecfdfce2 selftests/bpf: Retire test_sock_addr.(c|sh) 
Fully remove test_sock_addr.c and test_sock_addr.sh, as test coverage
has been fully moved to prog_tests/sock_addr.c.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-14-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife 9c3f17862f selftests/bpf: Remove redundant sendmsg test cases 
Remove these test cases completely, as the same behavior is already
covered by other sendmsg* test cases in prog_tests/sock_addr.c. This
just rewrites the destination address similar to sendmsg_v4_prog and
sendmsg_v6_prog.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-13-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife cded71f595 selftests/bpf: Migrate ATTACH_REJECT test cases 
Migrate test case from bpf/test_sock_addr.c ensuring that program
attachment fails when using an inappropriate attach type.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-12-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife b0f3af0bff selftests/bpf: Migrate expected_attach_type tests 
Migrates tests from progs/test_sock_addr.c ensuring that programs fail
to load when the expected attach type does not match.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-11-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:42 -07:00
Jordan Rife 8eaf8056a4 selftests/bpf: Migrate wildcard destination rewrite test 
Migrate test case from bpf/test_sock_addr.c ensuring that sendmsg
respects when sendmsg6 hooks rewrite the destination IP with the IPv6
wildcard IP, [::].

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-10-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:41 -07:00
Jordan Rife 54462e8452 selftests/bpf: Migrate sendmsg6 v4 mapped address tests 
Migrate test case from bpf/test_sock_addr.c ensuring that sendmsg
returns -ENOTSUPP when sending to an IPv4-mapped IPv6 address to
prog_tests/sock_addr.c.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-9-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:41 -07:00
Jordan Rife f46a10483b selftests/bpf: Migrate sendmsg deny test cases 
This set of tests checks that sendmsg calls are rejected (return -EPERM)
when the sendmsg* hook returns 0. Replace those in bpf/test_sock_addr.c
with corresponding tests in prog_tests/sock_addr.c.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-8-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:41 -07:00
Jordan Rife d1b24fcf1c selftests/bpf: Migrate WILDCARD_IP test 
Move wildcard IP sendmsg test case out of bpf/test_sock_addr.c into
prog_tests/sock_addr.c.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-7-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:41 -07:00
Jordan Rife a2618c0d85 selftests/bpf: Handle SYSCALL_EPERM and SYSCALL_ENOTSUPP test cases 
In preparation to move test cases from bpf/test_sock_addr.c that expect
system calls to return ENOTSUPP or EPERM, this patch propagates errno
from relevant system calls up to test_sock_addr() where the result can
be checked.

Signed-off-by: Jordan Rife <jrife@google.com>
Link: https://lore.kernel.org/r/20240510190246.3247730-6-jrife@google.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
 2024-05-12 17:10:41 -07:00