Commit Graph

956 Commits

Author SHA1 Message Date
Kees Cook
189f164e57 Convert remaining multi-line kmalloc_obj/flex GFP_KERNEL uses
Conversion performed via this Coccinelle script:

  // SPDX-License-Identifier: GPL-2.0-only
  // Options: --include-headers-for-types --all-includes --include-headers --keep-comments
  virtual patch

  @gfp depends on patch && !(file in "tools") && !(file in "samples")@
  identifier ALLOC = {kmalloc_obj,kmalloc_objs,kmalloc_flex,
 		    kzalloc_obj,kzalloc_objs,kzalloc_flex,
		    kvmalloc_obj,kvmalloc_objs,kvmalloc_flex,
		    kvzalloc_obj,kvzalloc_objs,kvzalloc_flex};
  @@

  	ALLOC(...
  -		, GFP_KERNEL
  	)

  $ make coccicheck MODE=patch COCCI=gfp.cocci

Build and boot tested x86_64 with Fedora 42's GCC and Clang:

Linux version 6.19.0+ (user@host) (gcc (GCC) 15.2.1 20260123 (Red Hat 15.2.1-7), GNU ld version 2.44-12.fc42) #1 SMP PREEMPT_DYNAMIC 1970-01-01
Linux version 6.19.0+ (user@host) (clang version 20.1.8 (Fedora 20.1.8-4.fc42), LLD 20.1.8) #1 SMP PREEMPT_DYNAMIC 1970-01-01

Signed-off-by: Kees Cook <kees@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-02-22 08:26:33 -08:00
Linus Torvalds
32a92f8c89 Convert more 'alloc_obj' cases to default GFP_KERNEL arguments
This converts some of the visually simpler cases that have been split
over multiple lines.  I only did the ones that are easy to verify the
resulting diff by having just that final GFP_KERNEL argument on the next
line.

Somebody should probably do a proper coccinelle script for this, but for
me the trivial script actually resulted in an assertion failure in the
middle of the script.  I probably had made it a bit _too_ trivial.

So after fighting that far a while I decided to just do some of the
syntactically simpler cases with variations of the previous 'sed'
scripts.

The more syntactically complex multi-line cases would mostly really want
whitespace cleanup anyway.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-02-21 20:03:00 -08:00
Linus Torvalds
bf4afc53b7 Convert 'alloc_obj' family to use the new default GFP_KERNEL argument
This was done entirely with mindless brute force, using

    git grep -l '\<k[vmz]*alloc_objs*(.*, GFP_KERNEL)' |
        xargs sed -i 's/\(alloc_objs*(.*\), GFP_KERNEL)/\1)/'

to convert the new alloc_obj() users that had a simple GFP_KERNEL
argument to just drop that argument.

Note that due to the extreme simplicity of the scripting, any slightly
more complex cases spread over multiple lines would not be triggered:
they definitely exist, but this covers the vast bulk of the cases, and
the resulting diff is also then easier to check automatically.

For the same reason the 'flex' versions will be done as a separate
conversion.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2026-02-21 17:09:51 -08:00
Kees Cook
69050f8d6d treewide: Replace kmalloc with kmalloc_obj for non-scalar types
This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>
2026-02-21 01:02:28 -08:00
Kohei Enju
100cf7b4ca ixgbe: don't initialize aci lock in ixgbe_recovery_probe()
hw->aci.lock is already initialized in ixgbe_sw_init(), so
ixgbe_recovery_probe() doesn't need to initialize the lock. This
function is also not responsible for destroying the lock on failures.

Additionally, change the name of label in accordance with this change.

Fixes: 29cb3b8d95 ("ixgbe: add E610 implementation of FW recovery mode")
Reported-by: Simon Horman <horms@kernel.org>
Closes: https://lore.kernel.org/intel-wired-lan/aTcFhoH-z2btEKT-@horms.kernel.org/
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2026-01-27 13:50:09 -08:00
Kohei Enju
638344712a ixgbe: fix memory leaks in the ixgbe_recovery_probe() path
When ixgbe_recovery_probe() is invoked and this function fails,
allocated resources in advance are not completely freed, because
ixgbe_probe() returns ixgbe_recovery_probe() directly and
ixgbe_recovery_probe() only frees partial resources, resulting in memory
leaks including:
- adapter->io_addr
- adapter->jump_tables[0]
- adapter->mac_table
- adapter->rss_key
- adapter->af_xdp_zc_qps

The leaked MMIO region can be observed in /proc/vmallocinfo, and the
remaining leaks are reported by kmemleak.

Don't return ixgbe_recovery_probe() directly, and instead let
ixgbe_probe() to clean up resources on failures.

Fixes: 29cb3b8d95 ("ixgbe: add E610 implementation of FW recovery mode")
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2026-01-27 13:50:09 -08:00
Linus Torvalds
43dfc13ca9 Merge tag 'pci-v6.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Pull PCI updates from Bjorn Helgaas:
 "Enumeration:

   - Enable host bridge emulation for PCI_DOMAINS_GENERIC platforms (Dan
     Williams)

   - Switch vmd from custom domain number allocator to the common
     allocator to prevent a potential race with new non-VMD buses (Dan
     Williams)

   - Enable Precision Time Measurement (PTM) only if device advertises
     support for a relevant role, to prevent invalid PTM Requests that
     cause ACS violations that are reported as AER Uncorrectable
     Non-Fatal errors (Mika Westerberg)

  Resource management:

   - Prevent resource tree corruption when BAR resize fails (Ilpo
     Järvinen)

   - Restore BARs to the original size if a BAR resize fails (Ilpo
     Järvinen)

   - Remove BAR release from BAR resize attempts by the xe, i915, and
     amdgpu drivers so the PCI core can restore BARs if the resize fails
     (Ilpo Järvinen)

   - Move Resizable BAR code to rebar.c (Ilpo Järvinen)

   - Add pci_rebar_size_supported() and use it in i915 and xe (Ilpo
     Järvinen)

   - Add pci_rebar_get_max_size() and use it in xe and amdgpu (Ilpo
     Järvinen)

  Power management and error handling:

   - For drivers using PCI legacy suspend, save config state at suspend
     so that state (not any earlier state from enumeration, probe, or
     error recovery) will be restored when resuming (Lukas Wunner)

   - For devices with no driver or a driver that lacks power management,
     save config state at hibernate so that state (not any earlier state
     from enumeration, probe, or error recovery) will be restored when
     resuming (Lukas Wunner)

   - Save device config space on device addition, before driver binding,
     so error recovery works more reliably (Lukas Wunner)

   - Drop pci_save_state() from several drivers that no longer need it
     since the PCI core always does it and pci_restore_state() no longer
     invalidates the saved state (Lukas Wunner)

   - Document use of pci_save_state() by drivers to capture the state
     they want restored during error recovery (Lukas Wunner)

  Power control:

   - Add a struct pci_ops.assert_perst() function pointer to
     assert/deassert PCIe PERST# and implement it for the qcom driver
     (Krishna Chaitanya Chundru)

   - Add DT binding and pwrctrl driver for the Toshiba TC9563 PCIe
     switch, which must be held in reset after poweron so the pwrctrl
     driver can configure the switch via I2C before bringing up the
     links (Krishna Chaitanya Chundru)

  Endpoint framework:

   - Convert the endpoint doorbell test to use a threaded IRQ to fix a
     'sleeping while atomic' issue (Bhanu Seshu Kumar Valluri)

   - Add endpoint VNTB MSI doorbell support to reduce latency between
     host and endpoint (Frank Li)

  New native PCIe controller drivers:

   - Add CIX Sky1 host controller DT binding and driver (Hans Zhang)

   - Add NXP S32G host controller DT binding and driver (Vincent
     Guittot)

   - Add Renesas RZ/G3S host controller DT binding and driver (Claudiu
     Beznea)

   - Add SpacemiT K1 host controller DT binding and driver (Alex Elder)

  Amlogic Meson PCIe controller driver:

   - Update DT binding to name DBI region 'dbi', not 'elbi', and update
     driver to support both (Manivannan Sadhasivam)

  Apple PCIe controller driver:

   - Move struct pci_host_bridge allocation from pci_host_common_init()
     to callers, which significantly simplifies pcie-apple (Marc
     Zyngier)

  Broadcom STB PCIe controller driver:

   - Disable advertising ASPM L0s support correctly (Jim Quinlan)

   - Add a panic/die handler to print diagnostic info in case PCIe
     caused an unrecoverable abort (Jim Quinlan)

  Cadence PCIe controller driver:

   - Add module support for Cadence platform host and endpoint
     controller driver (Manikandan K Pillai)

   - Split headers into 'legacy' (LGA) and 'high perf' (HPA) to prepare
     for new CIX Sky1 driver (Manikandan K Pillai)

  MediaTek PCIe controller driver:

   - Convert DT binding to YAML schema (Christian Marangi)

   - Add Airoha AN7583 DT compatible and driver support (Christian
     Marangi)

  Qualcomm PCIe controller driver:

   - Add Qualcomm Kaanapali to SM8550 DT binding (Qiang Yu)

   - Add required 'power-domains' and 'resets' to qcom sa8775p, sc7280,
     sc8280xp, sm8150, sm8250, sm8350, sm8450, sm8550, x1e80100 DT
     schemas (Krzysztof Kozlowski)

   - Look up OPP using both frequency and data rate (not just frequency)
     so RPMh votes can account for both (Krishna Chaitanya Chundru)

  Rockchip DesignWare PCIe controller driver:

   - Add Rockchip RK3528 compatible strings in DT binding (Yao Zi)

  STMicroelectronics STM32MP25 PCIe controller driver:

   - Fix a race between link training and endpoint register
     initialization (Christian Bruel)

   - Align endpoint allocations to match the ATU requirements (Christian
     Bruel)

  Synopsys DesignWare PCIe controller driver:

   - Clear L1 PM Substate Capability 'Supported' bits unless glue driver
     says it's supported, which prevents users from enabling non-working
     L1SS. Currently only qcom and tegra194 support L1SS (Bjorn Helgaas)

   - Remove now-superfluous L1SS disable code from tegra194 (Bjorn
     Helgaas)

   - Configure L1SS support in dw-rockchip when DT says
     'supports-clkreq' (Shawn Lin)

  TI Keystone PCIe controller driver:

   - Fail the probe instead of silently succeeding if ks_pcie_of_data
     didn't specify Root Complex or Endpoint mode (Siddharth Vadapalli)

   - Make keystone buildable as a loadable module, except on ARM32 where
     hook_fault_code() is __init (Siddharth Vadapalli)"

* tag 'pci-v6.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci: (100 commits)
  MAINTAINERS: Add Manivannan Sadhasivam as PCI/pwrctrl maintainer
  MAINTAINERS: Add CIX Sky1 PCIe controller driver maintainer
  PCI: sky1: Add PCIe host support for CIX Sky1
  dt-bindings: PCI: Add CIX Sky1 PCIe Root Complex bindings
  PCI: cadence: Add support for High Perf Architecture (HPA) controller
  MAINTAINERS: Add NXP S32G PCIe controller driver maintainer
  PCI: s32g: Add NXP S32G PCIe controller driver (RC)
  PCI: dwc: Add register and bitfield definitions
  dt-bindings: PCI: s32g: Add NXP S32G PCIe controller
  PCI: Add Renesas RZ/G3S host controller driver
  PCI: host-generic: Move bridge allocation outside of pci_host_common_init()
  dt-bindings: PCI: Add Renesas RZ/G3S PCIe controller binding
  PCI: Validate pci_rebar_size_supported() input
  Documentation: PCI: Amend error recovery doc with pci_save_state() rules
  treewide: Drop pci_save_state() after pci_restore_state()
  PCI/ERR: Ensure error recoverability at all times
  PCI/PM: Stop needlessly clearing state_saved on enumeration and thaw
  PCI/PM: Reinstate clearing state_saved in legacy and !PM codepaths
  PCI: dw-rockchip: Configure L1SS support
  PCI: tegra194: Remove unnecessary L1SS disable code
  ...
2025-12-04 17:29:41 -08:00
Alok Tiwari
5849b56add ixgbe: avoid redundant call to ixgbe_non_sfp_link_config()
ixgbe_non_sfp_link_config() is called twice in ixgbe_open()
once to assign its return value to err and again in the
conditional check. This patch uses the stored err value
instead of calling the function a second time. This avoids
redundant work and ensures consistent error reporting.

Also fix a small typo in the ixgbe_remove() comment:
"The could be caused" -> "This could be caused".

Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20251125223632.1857532-8-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-11-27 18:34:21 -08:00
Lukas Wunner
383d89699c treewide: Drop pci_save_state() after pci_restore_state()
In 2009, commit c82f63e411 ("PCI: check saved state before restore")
changed the behavior of pci_restore_state() such that it became necessary
to call pci_save_state() afterwards, lest recovery from subsequent PCI
errors fails.

The commit has just been reverted and so all the pci_save_state() after
pci_restore_state() calls that have accumulated in the tree are now
superfluous.  Drop them.

Two drivers chose a different approach to achieve the same result:
drivers/scsi/ipr.c and drivers/net/ethernet/intel/e1000e/netdev.c set the
pci_dev's "state_saved" flag to true before calling pci_restore_state().
Drop this as well.

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Acked-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>  # qat
Link: https://patch.msgid.link/c2b28cc4defa1b743cf1dedee23c455be98b397a.1760274044.git.lukas@wunner.de
2025-11-24 16:58:59 -06:00
Kohei Enju
85308d999c ixgbe: fix memory leak and use-after-free in ixgbe_recovery_probe()
The error path of ixgbe_recovery_probe() has two memory bugs.

For non-E610 adapters, the function jumps to clean_up_probe without
calling devlink_free(), leaking the devlink instance and its embedded
adapter structure.

For E610 adapters, devlink_free() is called at shutdown_aci, but
clean_up_probe then accesses adapter->state, sometimes triggering
use-after-free because adapter is embedded in devlink. This UAF is
similar to the one recently reported in ixgbe_remove(). (Link)

Fix both issues by moving devlink_free() after adapter->state access,
aligning with the cleanup order in ixgbe_probe().

Link: https://lore.kernel.org/intel-wired-lan/20250828020558.1450422-1-den@valinux.co.jp/
Fixes: 29cb3b8d95 ("ixgbe: add E610 implementation of FW recovery mode")
Signed-off-by: Kohei Enju <enjuk@amazon.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-10-28 12:49:59 -07:00
Koichiro Den
5feef67b64 ixgbe: fix too early devlink_free() in ixgbe_remove()
Since ixgbe_adapter is embedded in devlink, calling devlink_free()
prematurely in the ixgbe_remove() path can lead to UAF. Move devlink_free()
to the end.

KASAN report:

 BUG: KASAN: use-after-free in ixgbe_reset_interrupt_capability+0x140/0x180 [ixgbe]
 Read of size 8 at addr ffff0000adf813e0 by task bash/2095
 CPU: 1 UID: 0 PID: 2095 Comm: bash Tainted: G S  6.17.0-rc2-tnguy.net-queue+ #1 PREEMPT(full)
 [...]
 Call trace:
  show_stack+0x30/0x90 (C)
  dump_stack_lvl+0x9c/0xd0
  print_address_description.constprop.0+0x90/0x310
  print_report+0x104/0x1f0
  kasan_report+0x88/0x180
  __asan_report_load8_noabort+0x20/0x30
  ixgbe_reset_interrupt_capability+0x140/0x180 [ixgbe]
  ixgbe_clear_interrupt_scheme+0xf8/0x130 [ixgbe]
  ixgbe_remove+0x2d0/0x8c0 [ixgbe]
  pci_device_remove+0xa0/0x220
  device_remove+0xb8/0x170
  device_release_driver_internal+0x318/0x490
  device_driver_detach+0x40/0x68
  unbind_store+0xec/0x118
  drv_attr_store+0x64/0xb8
  sysfs_kf_write+0xcc/0x138
  kernfs_fop_write_iter+0x294/0x440
  new_sync_write+0x1fc/0x588
  vfs_write+0x480/0x6a0
  ksys_write+0xf0/0x1e0
  __arm64_sys_write+0x70/0xc0
  invoke_syscall.constprop.0+0xcc/0x280
  el0_svc_common.constprop.0+0xa8/0x248
  do_el0_svc+0x44/0x68
  el0_svc+0x54/0x160
  el0t_64_sync_handler+0xa0/0xe8
  el0t_64_sync+0x1b0/0x1b8

Fixes: a0285236ab ("ixgbe: add initial devlink support")
Signed-off-by: Koichiro Den <den@valinux.co.jp>
Tested-by: Rinitha S <sx.rinitha@intel.com>
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20251009-jk-iwl-net-2025-10-01-v3-6-ef32a425b92a@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-10-13 17:44:49 -07:00
Jakub Kicinski
f2cdc4c22b Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.17-rc7).

No conflicts.

Adjacent changes:

drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
  9536fbe10c ("net/mlx5e: Add PSP steering in local NIC RX")
  7601a0a462 ("net/mlx5e: Add a miss level for ipsec crypto offload")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-18 11:26:06 -07:00
Jedrzej Jagielski
316ba68175 ixgbe: destroy aci.lock later within ixgbe_remove path
There's another issue with aci.lock and previous patch uncovers it.
aci.lock is being destroyed during removing ixgbe while some of the
ixgbe closing routines are still ongoing. These routines use Admin
Command Interface which require taking aci.lock which has been already
destroyed what leads to call trace.

[  +0.000004] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[  +0.000007] WARNING: CPU: 12 PID: 10277 at kernel/locking/mutex.c:155 mutex_lock+0x5f/0x70
[  +0.000002] Call Trace:
[  +0.000003]  <TASK>
[  +0.000006]  ixgbe_aci_send_cmd+0xc8/0x220 [ixgbe]
[  +0.000049]  ? try_to_wake_up+0x29d/0x5d0
[  +0.000009]  ixgbe_disable_rx_e610+0xc4/0x110 [ixgbe]
[  +0.000032]  ixgbe_disable_rx+0x3d/0x200 [ixgbe]
[  +0.000027]  ixgbe_down+0x102/0x3b0 [ixgbe]
[  +0.000031]  ixgbe_close_suspend+0x28/0x90 [ixgbe]
[  +0.000028]  ixgbe_close+0xfb/0x100 [ixgbe]
[  +0.000025]  __dev_close_many+0xae/0x220
[  +0.000005]  dev_close_many+0xc2/0x1a0
[  +0.000004]  ? kernfs_should_drain_open_files+0x2a/0x40
[  +0.000005]  unregister_netdevice_many_notify+0x204/0xb00
[  +0.000006]  ? __kernfs_remove.part.0+0x109/0x210
[  +0.000006]  ? kobj_kset_leave+0x4b/0x70
[  +0.000008]  unregister_netdevice_queue+0xf6/0x130
[  +0.000006]  unregister_netdev+0x1c/0x40
[  +0.000005]  ixgbe_remove+0x216/0x290 [ixgbe]
[  +0.000021]  pci_device_remove+0x42/0xb0
[  +0.000007]  device_release_driver_internal+0x19c/0x200
[  +0.000008]  driver_detach+0x48/0x90
[  +0.000003]  bus_remove_driver+0x6d/0xf0
[  +0.000006]  pci_unregister_driver+0x2e/0xb0
[  +0.000005]  ixgbe_exit_module+0x1c/0xc80 [ixgbe]

Same as for the previous commit, the issue has been highlighted by the
commit 337369f8ce ("locking/mutex: Add MUTEX_WARN_ON() into fast path").

Move destroying aci.lock to the end of ixgbe_remove(), as this
simply fixes the issue.

Fixes: 4600cdf9f5 ("ixgbe: Enable link management in E610 device")
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-09-16 14:01:53 -07:00
Jedrzej Jagielski
b85936e95a ixgbe: initialize aci.lock before it's used
Currently aci.lock is initialized too late. A bunch of ACI callbacks
using the lock are called prior it's initialized.

Commit 337369f8ce ("locking/mutex: Add MUTEX_WARN_ON() into fast path")
highlights that issue what results in call trace.

[    4.092899] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[    4.092910] WARNING: CPU: 0 PID: 578 at kernel/locking/mutex.c:154 mutex_lock+0x6d/0x80
[    4.098757] Call Trace:
[    4.098847]  <TASK>
[    4.098922]  ixgbe_aci_send_cmd+0x8c/0x1e0 [ixgbe]
[    4.099108]  ? hrtimer_try_to_cancel+0x18/0x110
[    4.099277]  ixgbe_aci_get_fw_ver+0x52/0xa0 [ixgbe]
[    4.099460]  ixgbe_check_fw_error+0x1fc/0x2f0 [ixgbe]
[    4.099650]  ? usleep_range_state+0x69/0xd0
[    4.099811]  ? usleep_range_state+0x8c/0xd0
[    4.099964]  ixgbe_probe+0x3b0/0x12d0 [ixgbe]
[    4.100132]  local_pci_probe+0x43/0xa0
[    4.100267]  work_for_cpu_fn+0x13/0x20
[    4.101647]  </TASK>

Move aci.lock mutex initialization to ixgbe_sw_init() before any ACI
command is sent. Along with that move also related SWFW semaphore in
order to reduce size of ixgbe_probe() and that way all locks are
initialized in ixgbe_sw_init().

Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Fixes: 4600cdf9f5 ("ixgbe: Enable link management in E610 device")
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-09-16 14:01:53 -07:00
Michal Swiatkowski
641585bc97 ixgbe: fwlog support for e610
The device support firmware logging feature. Use libie code to
initialize it and allow reading the logs using debugfs.

The commands are the same as in ice driver. Look at the description in
commit 96a9a9341c ("ice: configure FW logging") for more info.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-09-11 12:10:52 -07:00
Maciej Fijalkowski
f3d9f7fa7f ixgbe: fix ndo_xdp_xmit() workloads
Currently ixgbe driver checks periodically in its watchdog subtask if
there is anything to be transmitted (considering both Tx and XDP rings)
under state of carrier not being 'ok'. Such event is interpreted as Tx
hang and therefore results in interface reset.

This is currently problematic for ndo_xdp_xmit() as it is allowed to
produce descriptors when interface is going through reset or its carrier
is turned off.

Furthermore, XDP rings should not really be objects of Tx hang
detection. This mechanism is rather a matter of ndo_tx_timeout() being
called from dev_watchdog against Tx rings exposed to networking stack.

Taking into account issues described above, let us have a two fold fix -
do not respect XDP rings in local ixgbe watchdog and do not produce Tx
descriptors in ndo_xdp_xmit callback when there is some problem with
carrier currently. For now, keep the Tx hang checks in clean Tx irq
routine, but adjust it to not execute for XDP rings.

Cc: Tobias Böhm <tobias.boehm@hetzner-cloud.de>
Reported-by: Marcus Wichelmann <marcus.wichelmann@hetzner-cloud.de>
Closes: https://lore.kernel.org/netdev/eca1880f-253a-4955-afe6-732d7c6926ee@hetzner-cloud.de/
Fixes: 6453073987 ("ixgbe: add initial support for xdp redirect")
Fixes: 33fdc82f08 ("ixgbe: add support for XDP_TX action")
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Tested-by: Marcus Wichelmann <marcus.wichelmann@hetzner-cloud.de>
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20250819222000.3504873-5-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-08-20 18:46:30 -07:00
Simon Horman
b91c0e4d63 ixgbe: spelling corrections
Correct spelling as flagged by codespell.

Signed-off-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-07-03 09:39:04 -07:00
Radoslaw Tyl
1a3ebc59f7 ixgbe: turn off MDD while modifying SRRCTL
Modifying SRRCTL register can generate MDD event.

Turn MDD off during SRRCTL register write to prevent generating MDD.

Fix RCT in ixgbe_set_rx_drop_en().

Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-07-03 09:39:04 -07:00
Slawomir Mrozowicz
b11aa9614d ixgbe: add Tx hang detection unhandled MDD
Add Tx Hang detection due to an unhandled MDD Event.

Previously, a malicious VF could disable the entire port causing
TX to hang on the E610 card.
Those events that caused PF to freeze were not detected
as an MDD event and usually required a Tx Hang watchdog timer
to catch the suspension, and perform a physical function reset.

Implement flows in the affected PF driver in such a way to check
the cause of the hang, detect it as an MDD event and log an
entry of the malicious VF that caused the Hang.

The PF blocks the malicious VF, if it continues to be the source
of several MDD events.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Co-developed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-07-03 09:39:03 -07:00
Don Skidmore
da3ab95f9b ixgbe: check for MDD events
When an event is detected it is logged and, for the time being, the
queue is immediately re-enabled.  This is due to the lack of an API
to the hypervisor so it could deal with it as it chooses.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-07-03 09:39:03 -07:00
Vladimir Oltean
8f3f4995e8 ixgbe: convert to ndo_hwtstamp_get() and ndo_hwtstamp_set()
New timestamping API was introduced in commit 66f7223039 ("net: add
NDOs for configuring hardware timestamping") from kernel v6.6.

It is time to convert the Intel ixgbe driver to the new API, so that
timestamping configuration can be removed from the ndo_eth_ioctl() path
completely.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Reviewed-by: Milena Olech <milena.olech@intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-07-03 09:38:50 -07:00
Jakub Kicinski
535de52801 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc2).

No conflicts or adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-06-12 10:09:10 -07:00
Martyna Szapar-Mudlaw
9acae9e2e2 ixgbe: add link_down_events statistic
Introduce a link_down_events counter to the ixgbe driver, incremented
each time the link transitions from up to down.
This counter can help diagnose issues related to link stability,
such as port flapping or unexpected link drops.

The value is exposed via ethtool's get_link_ext_stats() interface.

Reviewed-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Martyna Szapar-Mudlaw <martyna.szapar-mudlaw@linux.intel.com>
Tested-by: Rinitha S <sx.rinitha@intel.com> (A Contingent worker at Intel)
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-06-09 09:56:18 -07:00
Ingo Molnar
41cb08555c treewide, timers: Rename from_timer() to timer_container_of()
Move this API to the canonical timer_*() namespace.

[ tglx: Redone against pre rc1 ]

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/aB2X0jCKQO56WdMt@gmail.com
2025-06-08 09:07:37 +02:00
Slawomir Mrozowicz
fe259a1bb2 ixgbe: devlink: add devlink region support for E610
Provide support for the following devlink cmds:
 -DEVLINK_CMD_REGION_GET
 -DEVLINK_CMD_REGION_NEW
 -DEVLINK_CMD_REGION_DEL
 -DEVLINK_CMD_REGION_READ

ixgbe devlink region implementation, similarly to the ice one,
lets user to create snapshots of content of Non Volatile Memory,
content of Shadow RAM, and capabilities of the device.

For both NVM and SRAM regions provide .read() handler to let user
read their contents without the need to create full snapshots.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Co-developed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-29 15:13:44 -07:00
Jedrzej Jagielski
462cc09ac3 ixgbe: create E610 specific ethtool_ops structure
E610's implementation of various ethtool ops is different than
the ones corresponding to ixgbe legacy products. Therefore create
separate E610 ethtool_ops struct which will be filled out in the
forthcoming patches.

Add adequate ops struct basing on MAC type. This step requires
changing a bit the flow of probing by placing ixgbe_set_ethtool_ops
after hw.mac.type is assigned. So move the whole netdev assignment
block after hw.mac.type is known. This step doesn't have any additional
impact on probing sequence.

Suggested-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-29 15:13:43 -07:00
Andrii Staikov
4811b0c220 ixgbe: add support for FW rollback mode
The driver should detect whether the device entered FW rollback
mode and then notify user with the dedicated message including
FW and NVM versions.

Even if the driver detected rollback mode, this should not result
in an probe error and the normal flow proceeds.

FW tries to rollback to "old" operational FW located in the
inactive NVM bank in cases when newly loaded FW exhibits faulty
behavior. If something goes wrong during boot the FW may switch
into rollback mode in an attempt to avoid recovery mode and stay
operational. After rollback is successful, the banks are swapped,
and the "rollback" bank becomes the active bank for the next reset.

Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Signed-off-by: Andrii Staikov <andrii.staikov@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:33 -07:00
Jedrzej Jagielski
29cb3b8d95 ixgbe: add E610 implementation of FW recovery mode
Add E610 implementation of fw_recovery_mode MAC operation.

In case of E610 information about recovery mode is obtained
from FW_MODES field in IXGBE_GL_MNG_FWSM register (0x000B6134).

Introduce recovery specific probing flow and init only
vital features.

User should be able to perform NVM update using devlink
once FW error is detected in order to load a healthy img.

Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Co-developed-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:33 -07:00
Jedrzej Jagielski
b5aae90b6b ixgbe: add FW API version check
Add E610 specific function checking whether the FW API version
is compatible with the driver expectations.

The major API version should be less than or equal to the expected
API version. If not the driver won't be fully operational.

Check the minor version, and if it is more than two versions lesser
or greater than the expected version, print a message indicating
that the NVM or driver should be updated respectively.

Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Co-developed-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:33 -07:00
Jedrzej Jagielski
c9e563cae1 ixgbe: add support for devlink reload
The E610 adapters contain an embedded chip with firmware which can be
updated using devlink flash. The firmware which runs on this chip is
referred to as the Embedded Management Processor firmware (EMP
firmware).

Activating the new firmware image currently requires that the system be
rebooted. This is not ideal as rebooting the system can cause unwanted
downtime.

The EMP firmware itself can be reloaded by issuing a special update
to the device called an Embedded Management Processor reset (EMP
reset). This reset causes the device to reset and reload the EMP
firmware.

Implement support for devlink reload with the "fw_activate" flag. This
allows user space to request the firmware be activated immediately.

Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Co-developed-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Co-developed-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Co-developed-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:33 -07:00
Jedrzej Jagielski
4654ec6194 ixgbe: add E610 functions getting PBA and FW ver info
Introduce 2 E610 specific callbacks implementations:
-ixgbe_start_hw_e610() which expands the regular .start_hw callback with
getting FW version information
-ixgbe_read_pba_string_e610() which gets Product Board Assembly string

Extend EEPROM ops with new .read_pba_string in order to distinguish
generic one and the E610 one.

Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Co-developed-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:32 -07:00
Slawomir Mrozowicz
5f214150c7 ixgbe: add E610 functions for acquiring flash data
Read NVM related info from the flash.

Add several helper functions used to access the flash data,
find memory banks, calculate offsets, calculate the flash size.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
Co-developed-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Co-developed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:32 -07:00
Jedrzej Jagielski
a0285236ab ixgbe: add initial devlink support
Add an initial support for devlink interface to ixgbe driver.

Similarly to i40e driver the implementation doesn't enable
devlink to manage device-wide configuration. Devlink instance
is created for each physical function of PCIe device.

Create separate directory for devlink related ixgbe files
and use naming scheme similar to the one used in the ice driver.

Add a stub for Documentation, to be extended by further patches.

Change struct ixgbe_adapter allocation to be done by devlink (Przemek),
as suggested by Jiri.

Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Co-developed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:32 -07:00
Przemek Kitszel
fd5ef5203c ixgbe: wrap netdev_priv() usage
Wrap use of netdev_priv() in order to change the allocator of the device
private structure from alloc_etherdev_mq() to the devlink in next commit.

All but one netdev_priv() calls in the whole driver are replaced, the
remaining one is called on MACVLAN (so not ixgbe) device.

Signed-off-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-04-15 07:36:32 -07:00
Thomas Gleixner
8fa7292fee treewide: Switch/rename to timer_delete[_sync]()
timer_delete[_sync]() replaces del_timer[_sync](). Convert the whole tree
over and remove the historical wrapper inlines.

Conversion was done with coccinelle plus manual fixups where necessary.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2025-04-05 10:30:12 +02:00
Jedrzej Jagielski
affead2d90 ixgbe: add support for thermal sensor event reception
E610 NICs unlike the previous devices utilising ixgbe driver
are notified in the case of overheating by the FW ACI event.

In event of overheat when threshold is exceeded, FW suspends all
traffic and sends overtemp event to the driver. Then driver
logs appropriate message and disables the adapter instance.
The card remains in that state until the platform is rebooted.

This approach is a solution to the fact current version of the
E610 FW doesn't support reading thermal sensor data by the
SW. So give to user at least any info that overtemp event
has occurred, without interface disappearing from the OS
without any note.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Mateusz Polchlopek <mateusz.polchlopek@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Tested-by: Jeremiah Lokan <jeremiahx.j.lokan@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20250310174502.3708121-7-anthony.l.nguyen@intel.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2025-03-18 10:15:50 +01:00
Piotr Kwapulinski
61fb097f9a ixgbe: Fix possible skb NULL pointer dereference
The commit c824125cbb ("ixgbe: Fix passing 0 to ERR_PTR in
ixgbe_run_xdp()") stopped utilizing the ERR-like macros for xdp status
encoding. Propagate this logic to the ixgbe_put_rx_buffer().

The commit also relaxed the skb NULL pointer check - caught by Smatch.
Restore this check.

Fixes: c824125cbb ("ixgbe: Fix passing 0 to ERR_PTR in ixgbe_run_xdp()")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/intel-wired-lan/2c7d6c31-192a-4047-bd90-9566d0e14cc0@stanley.mountain/
Acked-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Saritha Sanigani <sarithax.sanigani@intel.com> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2025-02-11 09:13:11 -08:00
Yue Haibing
c824125cbb ixgbe: Fix passing 0 to ERR_PTR in ixgbe_run_xdp()
ixgbe_run_xdp() converts customed xdp action to a negative error code
with the sk_buff pointer type which be checked with IS_ERR in
ixgbe_clean_rx_irq(). Remove this error pointer handing instead use
plain int return value.

Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Chandan Kumar Rout <chandanx.rout@intel.com> (A Contingent Worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Link: https://patch.msgid.link/20250106221929.956999-11-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-07 18:15:57 -08:00
Piotr Kwapulinski
4600cdf9f5 ixgbe: Enable link management in E610 device
Add high level link management support for E610 device. Enable the
following features:
- driver load
- bring up network interface
- IP address assignment
- pass traffic
- show statistics (e.g. via ethtool)
- disable network interface
- driver unload

Co-developed-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Co-developed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Jan Glaza <jan.glaza@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-12-20 10:14:03 -08:00
Piotr Kwapulinski
34b4157707 ixgbe: Clean up the E610 link management related code
Required for enabling the link management in E610 device.

Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-12-20 10:14:03 -08:00
Piotr Kwapulinski
7c3aa0fccb ixgbe: Add support for E610 device capabilities detection
Add low level support for E610 device capabilities detection. The
capabilities are discovered via the Admin Command Interface. Discover the
following capabilities:
- function caps: vmdq, dcb, rss, rx/tx qs, msix, nvm, orom, reset
- device caps: vsi, fdir, 1588
- phy caps

Co-developed-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Signed-off-by: Stefan Wegrzyn <stefan.wegrzyn@intel.com>
Co-developed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Reviewed-by: Jan Sokolowski <jan.sokolowski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Bharath R <bharath.r@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-12-20 09:49:03 -08:00
Jakub Kicinski
1c9786163b Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-11-05 (ice, ixgbe, igc. igb, igbvf, e1000)

For ice:

Mateusz refactors and adds additional SerDes configuration values to be
output.

Przemek refactors processing of DDP and adds support for a flag field in
the DDP's signature segment header.

Joe Damato adds support for persistent NAPI config.

Brett adjusts setting of Tx promiscuous based on unicast/multicast
setting.

Jake moves setting of pf->supported_rxdids to occur directly after DDP
load and changes a small struct to use stack memory.

Frederic Weisbecker adds WQ_UNBOUND flag to the workqueue.

For ixgbe:

Diomidis Spinellis removes a circular dependency.

For igc:

Vitaly removes an unneeded autoneg parameter.

For igb:

Johnny Park fixes a couple of typos.

For igbvf:

Wander Lairson Costa removes an unused spinlock.

For e1000:

Joe Damato adds RTNL lock to some calls where it is expected to be held.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  e1000: Hold RTNL when e1000_down can be called
  igbvf: remove unused spinlock
  igb: Fix 2 typos in comments in igb_main.c
  igc: remove autoneg parameter from igc_mac_info
  ixgbe: Break include dependency cycle
  ice: Unbind the workqueue
  ice: use stack variable for virtchnl_supported_rxdids
  ice: initialize pf->supported_rxdids immediately after loading DDP
  ice: only allow Tx promiscuous for multicast
  ice: Add support for persistent NAPI config
  ice: support optional flags in signature segment header
  ice: refactor "last" segment of DDP pkg
  ice: extend dump serdes equalizer values feature
  ice: rework of dump serdes equalizer values feature
====================

Link: https://patch.msgid.link/20241113185431.1289708-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-11-15 18:21:34 -08:00
Petr Machata
4b42fbc6bd ndo_fdb_add: Add a parameter to report whether notification was sent
Currently when FDB entries are added to or deleted from a VXLAN netdevice,
the VXLAN driver emits one notification, including the VXLAN-specific
attributes. The core however always sends a notification as well, a generic
one. Thus two notifications are unnecessarily sent for these operations. A
similar situation comes up with bridge driver, which also emits
notifications on its own:

 # ip link add name vx type vxlan id 1000 dstport 4789
 # bridge monitor fdb &
 [1] 1981693
 # bridge fdb add de:ad:be:ef:13:37 dev vx self dst 192.0.2.1
 de:ad:be:ef:13:37 dev vx dst 192.0.2.1 self permanent
 de:ad:be:ef:13:37 dev vx self permanent

In order to prevent this duplicity, add a paremeter to ndo_fdb_add,
bool *notified. The flag is primed to false, and if the callee sends a
notification on its own, it sets it to true, thus informing the core that
it should not generate another notification.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/cbf6ae8195e85cbf922f8058ce4eba770f3b71ed.1731589511.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-11-15 16:39:18 -08:00
Diomidis Spinellis
4b2c75ffea ixgbe: Break include dependency cycle
Header ixgbe_type.h includes ixgbe_mbx.h.  Also, header
ixgbe_mbx.h included ixgbe_type.h, thus introducing a circular
dependency.

- Remove ixgbe_mbx.h inclusion from ixgbe_type.h.

- ixgbe_mbx.h requires the definition of struct ixgbe_mbx_operations
  so move its definition there. While at it, add missing argument
  identifier names.

- Add required forward structure declarations.

- Include ixgbe_mbx.h in the .c files that need it, for the
  following reasons:

  ixgbe_sriov.c uses ixgbe_check_for_msg
  ixgbe_main.c uses ixgbe_init_mbx_params_pf
  ixgbe_82599.c uses mbx_ops_generic
  ixgbe_x540.c uses mbx_ops_generic
  ixgbe_x550.c uses mbx_ops_generic

Signed-off-by: Diomidis Spinellis <dds@aueb.gr>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-11-13 10:30:21 -08:00
Alexander Lobakin
782dbbf589 netdev_features: convert NETIF_F_FCOE_MTU to dev->fcoe_mtu
Ability to handle maximum FCoE frames of 2158 bytes can never be changed
and thus more of an attribute, not a toggleable feature.
Move it from netdev_features_t to "cold" priv flags (bitfield bool) and
free yet another feature bit.

Signed-off-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-09-03 11:36:43 +02:00
Tony Nguyen
bf130ed3aa net: intel: Remove MODULE_AUTHORs
We are moving away from the Sourceforge email address. Rather than
removing or updating the email for the affected entries, remove the
MODULE_AUTHOR altogether as its usage is incorrect [1].

Link: https://lore.kernel.org/netdev/20200626115236.7f36d379@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com/ [1]
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Alexander Lobakin <aleksander.lobakin@intel.com> # libeth, libie
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-07-11 10:05:52 -07:00
Eric Dumazet
1eb2cded45 net: annotate writes on dev->mtu from ndo_change_mtu()
Simon reported that ndo_change_mtu() methods were never
updated to use WRITE_ONCE(dev->mtu, new_mtu) as hinted
in commit 501a90c945 ("inet: protect against too small
mtu values.")

We read dev->mtu without holding RTNL in many places,
with READ_ONCE() annotations.

It is time to take care of ndo_change_mtu() methods
to use corresponding WRITE_ONCE()

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Simon Horman <horms@kernel.org>
Closes: https://lore.kernel.org/netdev/20240505144608.GB67882@kernel.org/
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Shannon Nelson <shannon.nelson@amd.com>
Link: https://lore.kernel.org/r/20240506102812.3025432-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-05-07 16:19:14 -07:00
Jakub Kicinski
092ca10741 Merge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-03-29 (net: intel)

This series contains updates to most Intel drivers.

Jesse moves declaration of pci_driver struct to remove need for forward
declarations in igb and converts Intel drivers to user newer power
management ops.

Sasha reworks power management flow on igc to avoid using rtnl_lock()
during those flows.

Maciej reorganizes i40e_nvm file to avoid forward declarations.

* '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  i40e: avoid forward declarations in i40e_nvm.c
  igc: Refactor runtime power management flow
  net: intel: implement modern PM ops declarations
  igb: simplify pci ops declaration
====================

Link: https://lore.kernel.org/r/20240329175632.211340-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-04-01 21:44:12 -07:00
Johannes Berg
e8058a49e6 netlink: introduce type-checking attribute iteration
There are, especially with multi-attr arrays, many cases
of needing to iterate all attributes of a specific type
in a netlink message or a nested attribute. Add specific
macros to support that case.

Also convert many instances using this spatch:

    @@
    iterator nla_for_each_attr;
    iterator name nla_for_each_attr_type;
    identifier nla;
    expression head, len, rem;
    expression ATTR;
    type T;
    identifier x;
    @@
    -nla_for_each_attr(nla, head, len, rem)
    +nla_for_each_attr_type(nla, ATTR, head, len, rem)
     {
    <... T x; ...>
    -if (nla_type(nla) == ATTR) {
     ...
    -}
     }

    @@
    identifier nla;
    iterator nla_for_each_nested;
    iterator name nla_for_each_nested_type;
    expression attr, rem;
    expression ATTR;
    type T;
    identifier x;
    @@
    -nla_for_each_nested(nla, attr, rem)
    +nla_for_each_nested_type(nla, ATTR, attr, rem)
     {
    <... T x; ...>
    -if (nla_type(nla) == ATTR) {
     ...
    -}
     }

    @@
    iterator nla_for_each_attr;
    iterator name nla_for_each_attr_type;
    identifier nla;
    expression head, len, rem;
    expression ATTR;
    type T;
    identifier x;
    @@
    -nla_for_each_attr(nla, head, len, rem)
    +nla_for_each_attr_type(nla, ATTR, head, len, rem)
     {
    <... T x; ...>
    -if (nla_type(nla) != ATTR) continue;
     ...
     }

    @@
    identifier nla;
    iterator nla_for_each_nested;
    iterator name nla_for_each_nested_type;
    expression attr, rem;
    expression ATTR;
    type T;
    identifier x;
    @@
    -nla_for_each_nested(nla, attr, rem)
    +nla_for_each_nested_type(nla, ATTR, attr, rem)
     {
    <... T x; ...>
    -if (nla_type(nla) != ATTR) continue;
     ...
     }

Although I had to undo one bad change this made, and
I also adjusted some other code for whitespace and to
use direct variable initialization now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Link: https://lore.kernel.org/r/20240328203144.b5a6c895fb80.I1869b44767379f204998ff44dd239803f39c23e0@changeid
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-03-29 15:06:02 -07:00
Jesse Brandeburg
75a3f93b53 net: intel: implement modern PM ops declarations
Switch the Intel networking drivers to use the new power management ops
declaration formats and macros, which allows us to drop __maybe_unused,
as well as a bunch of ifdef checking CONFIG_PM.

This is safe to do because the compiler drops the unused functions,
verified by checking for any of the power management function symbols
being present in System.map for a build without CONFIG_PM.

If a driver has runtime PM, define the ops with pm_ptr(), and if the
driver has Simple PM, use pm_sleep_ptr(), as well as the new versions of
the macros for declaring the members of the pm_ops structs.

Checked with network-enabled allnoconfig, allyesconfig, allmodconfig on
x64_64.

Reviewed-by: Alan Brady <alan.brady@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Reviewed-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2024-03-29 08:58:43 -07:00