Commit Graph

1282258 Commits

Author SHA1 Message Date
Adrian Moreno
03448444ae net: sched: act_sample: add action cookie to sample
If the action has a user_cookie, pass it along to the sample so it can
be easily identified.

Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Aaron Conole <aconole@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Link: https://patch.msgid.link/20240704085710.353845-3-amorenoz@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:45:47 -07:00
Adrian Moreno
093b0f3665 net: psample: add user cookie
Add a user cookie to the sample metadata so that sample emitters can
provide more contextual information to samples.

If present, send the user cookie in a new attribute:
PSAMPLE_ATTR_USER_COOKIE.

Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Adrian Moreno <amorenoz@redhat.com>
Link: https://patch.msgid.link/20240704085710.353845-2-amorenoz@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:45:46 -07:00
Daniel Golle
064fbc4e9b net: ethernet: mtk_eth_soc: implement .{get,set}_pauseparam ethtool ops
Implement operations to get and set flow-control link parameters.
Both is done by simply calling phylink_ethtool_{get,set}_pauseparam().
Fix whitespace in mtk_ethtool_ops while at it.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Rui Salvaterra <rsalvaterra@gmail.com>
Link: https://patch.msgid.link/e3ece47323444631d6cb479f32af0dfd6d145be0.1720088047.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:41:16 -07:00
Shengyu Qu
ca18300e00 net: ethernet: mtk_ppe: Change PPE entries number to 16K
MT7981,7986 and 7988 all supports 32768 PPE entries, and MT7621/MT7620
supports 16384 PPE entries, but only set to 8192 entries in driver. So
incrase max entries to 16384 instead.

Signed-off-by: Elad Yifee <eladwf@gmail.com>
Signed-off-by: Shengyu Qu <wiagn233@outlook.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/TY3P286MB261103F937DE4EEB0F88437D98DE2@TY3P286MB2611.JPNP286.PROD.OUTLOOK.COM
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:20:25 -07:00
Jakub Kicinski
fcf3c8ccd0 Merge branch 'net-constify-struct-regmap_bus-regmap_config'
Javier Carrasco says:

====================
net: constify struct regmap_bus/regmap_config

This series adds the const modifier to the remaining regmap_bus and
regmap_config structs within the net subsystem that are effectively
used as const (i.e., only read after their declaration), but kept as
writtable data.
====================

Link: https://patch.msgid.link/20240703-net-const-regmap-v1-0-ff4aeceda02c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:02:23 -07:00
Javier Carrasco
3b05c7995c net: dsa: ar9331: constify struct regmap_bus
`ar9331_sw_bus` is not modified and can be declared as const to
move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/20240703-net-const-regmap-v1-4-ff4aeceda02c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:02:20 -07:00
Javier Carrasco
9969163c44 net: encx24j600: constify struct regmap_bus/regmap_config
`regmap_encx24j600`, `phycfg` and `phymap_encx24j600` are not modified
and can be declared as const to move their data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20240703-net-const-regmap-v1-3-ff4aeceda02c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:02:20 -07:00
Javier Carrasco
7f805f6396 net: ti: icss-iep: constify struct regmap_config
`am654_icss_iep_regmap_config` is only assigned to a pointer that passes
the data as read-only.

Add the const modifier to the struct and pointer to move the data to a
read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: MD Danish Anwar <danishanwar@ti.com>
Link: https://patch.msgid.link/20240703-net-const-regmap-v1-2-ff4aeceda02c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:02:19 -07:00
Javier Carrasco
8dfbb068a4 net: dsa: qca8k: constify struct regmap_config
`qca8k_regmap_config` is not modified and can be declared as const to
move its data to a read-only section.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://patch.msgid.link/20240703-net-const-regmap-v1-1-ff4aeceda02c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 17:02:19 -07:00
Sebastian Andrzej Siewior
fecef4cd42 tun: Assign missing bpf_net_context.
During the introduction of struct bpf_net_context handling for
XDP-redirect, the tun driver has been missed.
Jakub also pointed out that there is another call chain to
do_xdp_generic() originating from netif_receive_skb() and drivers may
use it outside from the NAPI context.

Set the bpf_net_context before invoking BPF XDP program within the TUN
driver. Set the bpf_net_context also in do_xdp_generic() if a xdp
program is available.

Reported-by: syzbot+0b5c75599f1d872bea6f@syzkaller.appspotmail.com
Reported-by: syzbot+5ae46b237278e2369cac@syzkaller.appspotmail.com
Reported-by: syzbot+c1e04a422bbc0f0f2921@syzkaller.appspotmail.com
Fixes: 401cb7dae8 ("net: Reference bpf_redirect_info via task_struct on PREEMPT_RT.")
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://patch.msgid.link/20240704144815.j8xQda5r@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 16:59:37 -07:00
Daniel Golle
3b2aef9922 net: ethernet: mediatek: Allow gaps in MAC allocation
Some devices with MediaTek SoCs don't use the first but only the second
MAC in the chip. Especially with MT7981 which got a built-in 1GE PHY
connected to the second MAC this is quite common.
Make sure to reset and enable PSE also in those cases by skipping gaps
using 'continue' instead of aborting the loop using 'break'.

Fixes: dee4dd10c7 ("net: ethernet: mtk_eth_soc: ppe: add support for multiple PPEs")
Suggested-by: Elad Yifee <eladwf@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Link: https://patch.msgid.link/379ae584cea112db60f4ada79c7e5ba4f3364a64.1719862038.git.daniel@makrotopia.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-05 16:58:38 -07:00
Florian Westphal
c7f79f2620 openvswitch: prepare for stolen verdict coming from conntrack and nat engine
At this time, conntrack either returns NF_ACCEPT or NF_DROP.
To improve debuging it would be nice to be able to replace NF_DROP
verdict with NF_DROP_REASON() helper,

This helper releases the skb instantly (so drop_monitor can pinpoint
precise location) and returns NF_STOLEN.

Prepare call sites to deal with this before introducing such changes
in conntrack and nat core.

Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Aaron Conole <aconole@redhat.om>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 11:05:05 +01:00
David S. Miller
aba43bdfdc Merge branch 'pcs-xpcs-mmap' into main
Serge Semin <fancer says:

====================
net: pcs: xpcs: Add memory-mapped device support

The main goal of this series is to extend the DW XPCS device support in
the kernel. Particularly the patchset adds a support of the DW XPCS
device with the MCI/APB3 IO interface registered as a platform device. In
order to have them utilized by the DW XPCS core the fwnode-based DW XPCS
descriptor creation procedure has been introduced. Finally the STMMAC
driver has been altered to support the DW XPCS passed via the 'pcs-handle'
property.

Note the series has been significantly re-developed since v1. So I even
had to change the subject. Anyway I've done my best to take all the noted
into account.

The series traditionally starts with a set of the preparation patches.
First one just moves the generic DW XPCS IDs macros from the internal
header file to the external one where some other IDs also reside. Second
patch splits up the xpcs_create() method to a set of the coherent
sub-functions for the sake of the further easier updates and to have it
looking less complicated. The goal of the next three patches is to extend
the DW XPCS ID management code by defining a new dw_xpcs_info structure
with both PCS and PMA IDs.

The next two patches provide the DW XPCS device DT-bindings and the
respective platform-device driver for the memory-mapped DW XPCS devices.
Besides the later patch makes use of the introduced dw_xpcs_info structure
to pre-define the DW XPCS IDs based on the platform-device compatible
string. Thus if there is no way to auto-identify the XPCS device
capabilities it can be done based on the custom device IDs passed via the
MDIO-device platform data.

Final DW XPCS driver change is about adding a new method of the DW XPCS
descriptor creation. The xpcs_create_fwnode() function has been introduced
with the same semantics as a similar method recently added to the Lynx PCS
driver. It's supposed to be called with the fwnode pointing to the DW XPCS
device node, for which the XPCS descriptor will be created.

The series is terminated with two STMMAC driver patches. The former one
simplifies the DW XPCS descriptor registration procedure by dropping the
MDIO-bus scanning and creating the descriptor for the particular device
address. The later patch alters the STMMAC PCS setup method so one would
support the DW XPCS specified via the "pcs-handle" property.

That's it for now. Thanks for review in advance. Any tests are very
welcome. After this series is merged in, I'll submit another one which
adds the generic 10GBase-R and 10GBase-X interfaces support to the STMMAC
and DW XPCS driver with the proper CSRs re-initialization, PMA
initialization and reference clock selection as it's described in the
Synopsys DW XPCS HW manual.

Link: https://lore.kernel.org/netdev/20231205103559.9605-1-fancer.lancer@gmail.com
Changelog v2:
- Drop the patches:
  [PATCH net-next 01/16] net: pcs: xpcs: Drop sentinel entry from 2500basex ifaces list
  [PATCH net-next 02/16] net: pcs: xpcs: Drop redundant workqueue.h include directive
  [PATCH net-next 03/16] net: pcs: xpcs: Return EINVAL in the internal methods
  [PATCH net-next 04/16] net: pcs: xpcs: Explicitly return error on caps validation
  as ones have already been merged into the kernel repo:
Link: https://lore.kernel.org/netdev/20240222175843.26919-1-fancer.lancer@gmail.com/
- Drop the patches:
  [PATCH net-next 14/16] net: stmmac: Pass netdev to XPCS setup function
  [PATCH net-next 15/16] net: stmmac: Add dedicated XPCS cleanup method
  as ones have already been merged into the kernel repo:
Link: https://lore.kernel.org/netdev/20240513-rzn1-gmac1-v7-0-6acf58b5440d@bootlin.com/
- Drop the patch:
  [PATCH net-next 06/16] net: pcs: xpcs: Avoid creating dummy XPCS MDIO device
  [PATCH net-next 09/16] net: mdio: Add Synopsys DW XPCS management interface support
  [PATCH net-next 11/16] net: pcs: xpcs: Change xpcs_create_mdiodev() suffix to "byaddr"
  [PATCH net-next 13/16] net: stmmac: intel: Register generic MDIO device
  as no longer relevant.
- Add new patches:
  [PATCH net-next v2 03/10] net: pcs: xpcs: Convert xpcs_id to dw_xpcs_desc
  [PATCH net-next v2 04/10] net: pcs: xpcs: Convert xpcs_compat to dw_xpcs_compat
  [PATCH net-next v2 05/10] net: pcs: xpcs: Introduce DW XPCS info structure
  [PATCH net-next v2 09/10] net: stmmac: Create DW XPCS device with particular address
- Use the xpcs_create_fwnode() function name and semantics similar to the
  Lynx PCS driver.
- Add kdoc describing the DW XPCS registration functions.
- Convert the memory-mapped DW XPCS device driver to being the
  platform-device driver.
- Convert the DW XPCS DT-bindings to defining both memory-mapped and MDIO
  devices.
- Drop inline'es from the methods statically defined in *.c. (@Maxime)
- Preserve the strict refcount-ing pattern. (@Russell)

Link: https://lore.kernel.org/netdev/20240602143636.5839-1-fancer.lancer@gmail.com/
Changelov v3:
- Implement the ordered clocks constraint. (@Rob)
- Convert xpcs_plat_pm_ops to being defined as static. (@Simon)
- Add the "@interface" argument kdoc to the xpcs_create_mdiodev()
  function. (@Simon)
- Fix the "@fwnode" argument name in the xpcs_create_fwnode() method kdoc.
  (@Simon)
- Move the return value descriptions to the "Return:" section of the
  xpcs_create_mdiodev() and xpcs_create_fwnode() kdoc. (@Simon)
- Drop stmmac_mdio_bus_data::has_xpcs flag and define the PCS-address
  mask with particular XPCS address instead.

Link: https://lore.kernel.org/netdev/20240627004142.8106-1-fancer.lancer@gmail.com/
Changelog v4:
- Make sure the series is applicable to the net-next tree. (@Vladimir)
- Rename entry to desc in the xpcs_init_id() method. (@Andrew)
- Add a comment to the clock-names property constraint about the
  oneOf-subschemas applicability. (@Conor)
- Convert "pclk" clock name to "csr" to match the DW XPCS IP-core
  input signal name. (@Rob)
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:52 +01:00
Serge Semin
357768c7e7 net: stmmac: Add DW XPCS specified via "pcs-handle" support
Recently the DW XPCS DT-bindings have been introduced and the DW XPCS
driver has been altered to support the DW XPCS registered as a platform
device. In order to have the DW XPCS DT-device accessed from the STMMAC
driver let's alter the STMMAC PCS-setup procedure to support the
"pcs-handle" property containing the phandle reference to the DW XPCS
device DT-node. The respective fwnode will be then passed to the
xpcs_create_fwnode() function which in its turn will create the DW XPCS
descriptor utilized in the main driver for the PCS-related setups.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:51 +01:00
Serge Semin
351066bad6 net: stmmac: Create DW XPCS device with particular address
Currently the only STMMAC platform driver using the DW XPCS code is the
Intel mGBE device driver. (It can be determined by finding all the drivers
having the stmmac_mdio_bus_data::has_xpcs flag set.) At the same time the
low-level platform driver masks out the DW XPCS MDIO-address from being
auto-detected as PHY by the MDIO subsystem core. Seeing the PCS MDIO ID is
known the procedure of the DW XPCS device creation can be simplified by
dropping the loop over all the MDIO IDs. From now the DW XPCS device
descriptor will be created for the MDIO-bus address pre-defined by the
platform drivers via the stmmac_mdio_bus_data::pcs_mask field.

Note besides this shall speed up a bit the Intel mGBE probing.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:51 +01:00
Serge Semin
9cad727546 net: pcs: xpcs: Add fwnode-based descriptor creation method
It's now possible to have the DW XPCS device defined as a standard
platform device for instance in the platform DT-file. Although that
functionality is useless unless there is a way to have the device found by
the client drivers (STMMAC/DW *MAC, NXP SJA1105 Eth Switch, etc). Provide
such ability by means of the xpcs_create_fwnode() method. It needs to be
called with the device DW XPCS fwnode instance passed. That node will be
then used to find the MDIO-device instance in order to create the DW XPCS
descriptor.

Note the method semantics and name is similar to what has been recently
introduced in the Lynx PCS driver.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:51 +01:00
Serge Semin
f6bb3e9d98 net: pcs: xpcs: Add Synopsys DW xPCS platform device driver
Synopsys DesignWare XPCS IP-core can be synthesized with the device CSRs
being accessible over the MCI or APB3 interface instead of the MDIO bus
(see the CSR_INTERFACE HDL parameter). Thus all the PCS registers can be
just memory mapped and be a subject of the standard MMIO operations of
course taking into account the peculiarities of the Clause C45 CSRs
mapping. From that perspective the DW XPCS devices would look as just
normal platform devices for the kernel.

On the other hand in order to have the DW XPCS devices handled by the
pcs-xpcs.c driver they need to be registered in the framework of the
MDIO-subsystem. So the suggested change is about providing a DW XPCS
platform device driver registering a virtual MDIO-bus with a single
MDIO-device representing the DW XPCS device.

DW XPCS platform device is supposed to be described by the respective
compatible string "snps,dw-xpcs" (or with the PMA-specific compatible
string), CSRs memory space and optional peripheral bus and reference clock
sources. Depending on the INDIRECT_ACCESS IP-core synthesize parameter the
memory-mapped reg-space can be represented as either directly or
indirectly mapped Clause 45 space. In the former case the particular
address is determined based on the MMD device and the registers offset (5
+ 16 bits all together) within the device reg-space. In the later case
there is only 8 lower address bits are utilized for the registers mapping
(255 CSRs). The upper bits are supposed to be written into the respective
viewport CSR in order to select the respective MMD sub-page.

Note, only the peripheral bus clock source is requested in the platform
device probe procedure. The core and pad clocks handling has been
implemented in the framework of the xpcs_create() method intentionally
since the clocks-related setups are supposed to be performed later, during
the DW XPCS main configuration procedures. (For instance they will be
required for the DW Gen5 10G PMA configuration.)

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:50 +01:00
Serge Semin
664690eb08 dt-bindings: net: Add Synopsys DW xPCS bindings
Synopsys DesignWare XPCS IP-core is a Physical Coding Sublayer (PCS) layer
providing an interface between the Media Access Control (MAC) and Physical
Medium Attachment Sublayer (PMA) through a Media independent interface.
From software point of view it exposes IEEE std. Clause 45 CSR space and
can be accessible either by MDIO or MCI/APB3 bus interfaces. In the former
case the PCS device is supposed to be defined under the respective MDIO
bus DT-node. In the later case the DW xPCS will be just a normal IO
memory-mapped device.

Besides of that DW XPCS DT-nodes can have an interrupt signal and clock
source properties specified. The former one indicates the Clause 73/37
auto-negotiation events like: negotiation page received, AN is completed
or incompatible link partner. The clock DT-properties can describe up to
three clock sources: peripheral bus clock source, internal reference clock
and the externally connected reference clock.

Finally the DW XPCS IP-core can be optionally synthesized with a
vendor-specific interface connected to the Synopsys PMA (also called
DesignWare Consumer/Enterprise PHY). Alas that isn't auto-detectable in a
portable way. So if the DW XPCS device has the respective PMA attached
then it should be reflected in the DT-node compatible string so the driver
would be aware of the PMA-specific device capabilities (mainly connected
with CSRs available for the fine-tunings).

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:50 +01:00
Serge Semin
bcac735cf6 net: pcs: xpcs: Introduce DW XPCS info structure
The being introduced structure will preserve the PCS and PMA IDs retrieved
from the respective DW XPCS MMDs or potentially pre-defined by the client
drivers. (The later change will be introduced later in the framework of
the commit adding the memory-mapped DW XPCS devices support.)

The structure fields are filled in in the xpcs_get_id() function, which
used to be responsible for the PCS Device ID getting only. Besides of the
PCS ID the method now fetches the PMA/PMD IDs too from MMD 1, which used
to be done in xpcs_dev_flag(). The retrieved PMA ID will be from now
utilized for the PMA-specific tweaks like it was introduced for the
Wangxun TxGBE PCS in the commit f629acc6f2 ("net: pcs: xpcs: support to
switch mode for Wangxun NICs").

Note 1. The xpcs_get_id() error-handling semantics has been changed. From
now the error number will be returned from the function. There is no point
in the next IOs or saving 0xffs and then looping over the actual device
IDs if device couldn't be reached. -ENODEV will be returned if the very
first IO operation failed thus indicating that no device could be found.

Note 2. The PCS and PMA IDs macros have been converted to enum'es. The
enum'es will be populated later in another commit with the virtual IDs
identifying the DW XPCS devices which have some platform-specifics, but
have been synthesized with the default PCS/PMA ID.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:50 +01:00
Serge Semin
410232ab3c net: pcs: xpcs: Convert xpcs_compat to dw_xpcs_compat
The xpcs_compat structure has been left as the only dw-prefix-less
structure since the previous commit. Let's unify at least the structures
naming in the driver by adding the dw_-prefix to it.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:50 +01:00
Serge Semin
71b200b388 net: pcs: xpcs: Convert xpcs_id to dw_xpcs_desc
A structure with the PCS/PMA MMD IDs data is being introduced in one of
the next commits. In order to prevent the names ambiguity let's convert
the xpcs_id structure name to dw_xpcs_desc. The later version is more
suitable since the structure content is indeed the device descriptor
containing the data and callbacks required for the driver to correctly set
the device up.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:49 +01:00
Serge Semin
03b3be07c6 net: pcs: xpcs: Split up xpcs_create() body to sub-functions
As an initial preparation before adding the fwnode-based DW XPCS device
support let's split the xpcs_create() function code up to a set of the
small sub-functions. Thus the xpcs_create() implementation will get to
look simpler and turn to be more coherent. Further updates will just touch
the new sub-functions a bit: add platform-specific device info, add the
reference clock getting and enabling.

The xpcs_create() method will now contain the next static methods calls:

xpcs_create_data() - create the DW XPCS device descriptor, pre-initialize
it' fields and increase the mdio device refcount-er;

xpcs_init_id() - find XPCS ID instance and save it in the device
descriptor;

xpcs_init_iface() - find MAC/PCS interface descriptor and perform
basic initialization specific to it: soft-reset, disable polling.

The update doesn't imply any semantic change but merely makes the code
looking simpler and more ready for adding new features support.

Note the xpcs_destroy() has been moved to being defined below the
xpcs_create_mdiodev() function as the driver now implies having the
protagonist-then-antagonist functions definition order.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:49 +01:00
Serge Semin
f37bee9508 net: pcs: xpcs: Move native device ID macro to linux/pcs/pcs-xpcs.h
One of the next commits will alter the DW XPCS driver to support setting a
custom device ID for the particular MDIO-device detected on the platform.
The generic DW XPCS ID can be used as a custom ID as well in case if the
DW XPCS-device was erroneously synthesized with no or some undefined ID.
In addition to that having all supported DW XPCS device IDs defined in a
single place will improve the code maintainability and readability.

Note while at it rename the macros to being shorter and looking alike to
the already defined NXP XPCS ID macro.

Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-07-05 09:35:49 +01:00
Rob Herring (Arm)
390b14b5e9 dt-bindings: net: Define properties at top-level
Convention is DT schemas should define all properties at the top-level
and not inside of if/then schemas. That minimizes the if/then schemas
and is more future proof.

Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://patch.msgid.link/20240703195827.1670594-2-robh@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 19:18:11 -07:00
Edward Cree
caa93b7c25 ethtool: move firmware flashing flag to struct ethtool_netdev_state
Commit 31e0aa99dc ("ethtool: Veto some operations during firmware flashing process")
 added a flag module_fw_flash_in_progress to struct net_device.  As
 this is ethtool related state, move it to the recently created
 struct ethtool_netdev_state, accessed via the 'ethtool' member of
 struct net_device.

Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://patch.msgid.link/20240703121849.652893-1-edward.cree@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 15:45:15 -07:00
Jakub Kicinski
76ed626479 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/phy/aquantia/aquantia.h
  219343755e ("net: phy: aquantia: add missing include guards")
  61578f6793 ("net: phy: aquantia: add support for PHY LEDs")

drivers/net/ethernet/wangxun/libwx/wx_hw.c
  bd07a98178 ("net: txgbe: remove separate irq request for MSI and INTx")
  b501d261a5 ("net: txgbe: add FDIR ATR support")
https://lore.kernel.org/all/20240703112936.483c1975@canb.auug.org.au/

include/linux/mlx5/mlx5_ifc.h
  048a403648 ("net/mlx5: IFC updates for changing max EQs")
  99be56171f ("net/mlx5e: SHAMPO, Re-enable HW-GRO")
https://lore.kernel.org/all/20240701133951.6926b2e3@canb.auug.org.au/

Adjacent changes:

drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
  4130c67cd1 ("wifi: iwlwifi: mvm: check vif for NULL/ERR_PTR before dereference")
  3f3126515f ("wifi: iwlwifi: mvm: add mvm-specific guard")

include/net/mac80211.h
  816c6bec09 ("wifi: mac80211: fix BSS_CHANGED_UNSOL_BCAST_PROBE_RESP")
  5a009b42e0 ("wifi: mac80211: track changes in AP's TPE")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 14:16:11 -07:00
Jakub Kicinski
7829b376f2 Merge branch 'crypto-caam-unembed-net_dev'
Breno Leitao says:

====================
crypto: caam: Unembed net_dev

This will un-embed the net_device struct from inside other struct, so we
can add flexible array into net_device.

This also enable COMPILE test for FSL_CAAM, as any config option that
depends on ARCH_LAYERSCAPE.
====================

Link: https://patch.msgid.link/20240702185557.3699991-1-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 10:19:26 -07:00
Breno Leitao
0e1a4d427f crypto: caam: Unembed net_dev structure in dpaa2
Embedding net_device into structures prohibits the usage of flexible
arrays in the net_device structure. For more details, see the discussion
at [1].

Un-embed the net_devices from struct dpaa2_caam_priv_per_cpu by
converting them into pointers, and allocating them dynamically. Use the
leverage alloc_netdev_dummy() to allocate the net_device object at
dpaa2_dpseci_setup().

The free of the device occurs at dpaa2_dpseci_disable().

Link: https://lore.kernel.org/all/20240229225910.79e224cf@kernel.org/ [1]
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-5-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 10:19:24 -07:00
Breno Leitao
82c81e740d crypto: caam: Unembed net_dev structure from qi
Embedding net_device into structures prohibits the usage of flexible
arrays in the net_device structure. For more details, see the discussion
at [1].

Un-embed the net_devices from struct caam_qi_pcpu_priv by converting them
into pointers, and allocating them dynamically. Use the leverage
alloc_netdev_dummy() to allocate the net_device object at
caam_qi_init().

The free of the device occurs at caam_qi_shutdown().

Link: https://lore.kernel.org/all/20240229225910.79e224cf@kernel.org/ [1]
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-4-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 10:19:24 -07:00
Breno Leitao
beba3771d9 crypto: caam: Make CRYPTO_DEV_FSL_CAAM dependent of COMPILE_TEST
As most of the drivers that depend on ARCH_LAYERSCAPE, make
CRYPTO_DEV_FSL_CAAM depend on COMPILE_TEST for compilation and testing.

    # grep -r depends.\*ARCH_LAYERSCAPE.\*COMPILE_TEST | wc -l
    29

Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-3-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 10:19:23 -07:00
Breno Leitao
9b5c33b1a3 crypto: caam: Avoid unused imx8m_machine_match variable
If caam module is built without OF support, the compiler returns the
following warning:

	drivers/crypto/caam/ctrl.c:83:34: warning: 'imx8m_machine_match' defined but not used [-Wunused-const-variable=]

imx8m_machine_match is only referenced by of_match_node(), which is set
to NULL if CONFIG_OF is not set, as of commit 5762c20593 ("dt: Add
empty of_match_node() macro"):

	#define of_match_node(_matches, _node)  NULL

Do not create imx8m_machine_match if CONFIG_OF is not set.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407011309.cpTuOGdg-lkp@intel.com/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20240702185557.3699991-2-leitao@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 10:19:23 -07:00
Linus Torvalds
033771c085 Including fixes from bluetooth, wireless and netfilter.
There's one fix for power management with Intel's e1000e here,
 Thorsten tells us there's another problem that started in v6.9.
 We're trying to wrap that up but I don't think it's blocking.
 
 Current release - new code bugs:
 
  - wifi: mac80211: disable softirqs for queued frame handling
 
  - af_unix: fix uninit-value in __unix_walk_scc(), with the new garbage
    collection algo
 
 Previous releases - regressions:
 
  - Bluetooth:
    - qca: fix BT enable failure for QCA6390 after warm reboot
    - add quirk to ignore reserved PHY bits in LE Extended Adv Report,
      abused by some Broadcom controllers found on Apple machines
 
  - wifi: wilc1000: fix ies_len type in connect path
 
 Previous releases - always broken:
 
  - tcp: fix DSACK undo in fast recovery to call tcp_try_to_open(),
    avoid premature timeouts
 
  - net: make sure skb_datagram_iter maps fragments page by page,
    in case we somehow get compound highmem mixed in
 
  - eth: bnx2x: fix multiple UBSAN array-index-out-of-bounds when
    more queues are used
 
 Misc:
 
  - MAINTAINERS: Remembering Larry Finger
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bluetooth, wireless and netfilter.

  There's one fix for power management with Intel's e1000e here,
  Thorsten tells us there's another problem that started in v6.9. We're
  trying to wrap that up but I don't think it's blocking.

  Current release - new code bugs:

   - wifi: mac80211: disable softirqs for queued frame handling

   - af_unix: fix uninit-value in __unix_walk_scc(), with the new
     garbage collection algo

  Previous releases - regressions:

   - Bluetooth:
      - qca: fix BT enable failure for QCA6390 after warm reboot
      - add quirk to ignore reserved PHY bits in LE Extended Adv Report,
        abused by some Broadcom controllers found on Apple machines

   - wifi: wilc1000: fix ies_len type in connect path

  Previous releases - always broken:

   - tcp: fix DSACK undo in fast recovery to call tcp_try_to_open(),
     avoid premature timeouts

   - net: make sure skb_datagram_iter maps fragments page by page, in
     case we somehow get compound highmem mixed in

   - eth: bnx2x: fix multiple UBSAN array-index-out-of-bounds when more
     queues are used

  Misc:

   - MAINTAINERS: Remembering Larry Finger"

* tag 'net-6.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (62 commits)
  bnxt_en: Fix the resource check condition for RSS contexts
  mlxsw: core_linecards: Fix double memory deallocation in case of invalid INI file
  inet_diag: Initialize pad field in struct inet_diag_req_v2
  tcp: Don't flag tcp_sk(sk)->rx_opt.saw_unknown for TCP AO.
  selftests: make order checking verbose in msg_zerocopy selftest
  selftests: fix OOM in msg_zerocopy selftest
  ice: use proper macro for testing bit
  ice: Reject pin requests with unsupported flags
  ice: Don't process extts if PTP is disabled
  ice: Fix improper extts handling
  selftest: af_unix: Add test case for backtrack after finalising SCC.
  af_unix: Fix uninit-value in __unix_walk_scc()
  bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set()
  net: rswitch: Avoid use-after-free in rswitch_poll()
  netfilter: nf_tables: unconditionally flush pending work before notifier
  wifi: iwlwifi: mvm: check vif for NULL/ERR_PTR before dereference
  wifi: iwlwifi: mvm: avoid link lookup in statistics
  wifi: iwlwifi: mvm: don't wake up rx_sync_waitq upon RFKILL
  wifi: iwlwifi: properly set WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK
  wifi: wilc1000: fix ies_len type in connect path
  ...
2024-07-04 10:11:12 -07:00
Linus Torvalds
d470e9f57d s390 fixes for 6.10-rc7
- Fix and add physical to virtual address translations in dasd and
   virtio_ccw drivers. For virtio_ccw this is just a minimal fix.
   More code cleanup will follow.
 
 - Small defconfig updates
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Merge tag 's390-6.10-8' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull s390 fixes from Heiko Carstens:

 - Fix and add physical to virtual address translations in dasd and
   virtio_ccw drivers. For virtio_ccw this is just a minimal fix.
   More code cleanup will follow.

 - Small defconfig updates

* tag 's390-6.10-8' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/dasd: Fix invalid dereferencing of indirect CCW data pointer
  s390/vfio_ccw: Fix target addresses of TIC CCWs
  s390: Update defconfigs
2024-07-04 09:46:15 -07:00
Linus Torvalds
2d19be0952 platform-drivers-x86 for v6.10-5
Highlights:
  -  Fix regression in toshiba_acpi introduced in 6.10-rc1
 
 The following is an automated git shortlog grouped by driver:
 
 toshiba_acpi:
  -  Fix quickstart quirk handling
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Merge tag 'platform-drivers-x86-v6.10-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fix from Hans de Goede:

 - Fix regression in toshiba_acpi introduced in 6.10-rc1

* tag 'platform-drivers-x86-v6.10-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86: toshiba_acpi: Fix quickstart quirk handling
2024-07-04 09:36:42 -07:00
Linus Torvalds
4d85acef10 Fix Kselftests timeout and race condition
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Merge tag 'kselftest-fix-2024-07-04' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux

Pull Kselftest fix from Mickaël Salaün:
 "Fix Kselftests timeout.

  We can't use CLONE_VFORK, since that blocks the parent - and thus the
  timeout handling - until the child exits or execve's.

  Go back to using plain fork()"

* tag 'kselftest-fix-2024-07-04' of git://git.kernel.org/pub/scm/linux/kernel/git/mic/linux:
  selftests/harness: Fix tests timeout and race condition
2024-07-04 09:29:42 -07:00
Linus Torvalds
8faccfefaf 6 hotfies, all cc:stable. Some fixes for longstanding nilfs2 issues and
three unrelated MM fixes.
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Merge tag 'mm-hotfixes-stable-2024-07-03-22-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from, Andrew Morton:
 "6 hotfies, all cc:stable. Some fixes for longstanding nilfs2 issues
  and three unrelated MM fixes"

* tag 'mm-hotfixes-stable-2024-07-03-22-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  nilfs2: fix incorrect inode allocation from reserved inodes
  nilfs2: add missing check for inode numbers on directory entries
  nilfs2: fix inode number range checks
  mm: avoid overflows in dirty throttling logic
  Revert "mm/writeback: fix possible divide-by-zero in wb_dirty_limits(), again"
  mm: optimize the redundant loop of mm_update_owner_next()
2024-07-04 09:13:02 -07:00
Pavan Chebbi
5d350dc342 bnxt_en: Fix the resource check condition for RSS contexts
While creating a new RSS context, bnxt_rfs_capable() currently
makes a strict check to see if the required VNICs are already
available.  If the current VNICs are not what is required,
either too many or not enough, it will call the firmware to
reserve the exact number required.

There is a bug in the firmware when the driver tries to
relinquish some reserved VNICs and RSS contexts.  It will
cause the default VNIC to lose its RSS configuration and
cause receive packets to be placed incorrectly.

Workaround this problem by skipping the resource reduction.
The driver will not reduce the VNIC and RSS context reservations
when a context is deleted.  The resources will be available for
use when new contexts are created later.

Potentially, this workaround can cause us to run out of VNIC
and RSS contexts if there are a lot of VF functions creating
and deleting RSS contexts.  In the future, we will conditionally
disable this workaround when the firmware fix is available.

Fixes: 438ba39b25 ("bnxt_en: Improve RSS context reservation infrastructure")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/netdev/20240625010210.2002310-1-kuba@kernel.org/
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240703180112.78590-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 07:40:27 -07:00
Aleksandr Mishin
8ce34dccbe mlxsw: core_linecards: Fix double memory deallocation in case of invalid INI file
In case of invalid INI file mlxsw_linecard_types_init() deallocates memory
but doesn't reset pointer to NULL and returns 0. In case of any error
occurred after mlxsw_linecard_types_init() call, mlxsw_linecards_init()
calls mlxsw_linecard_types_fini() which performs memory deallocation again.

Add pointer reset to NULL.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: b217127e5e ("mlxsw: core_linecards: Add line card objects and implement provisioning")
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://patch.msgid.link/20240703203251.8871-1-amishin@t-argos.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 07:34:42 -07:00
Jakub Kicinski
eec5969cc3 wireless fixes for v6.10
Hopefully the last fixes for v6.10. Fix a regression in wilc1000 where
 bitrate Information Elements longer than 255 bytes were broken.
 Few fixes also to mac80211 and iwlwifi.
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Merge tag 'wireless-2024-07-04' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless

Kalle Valo says:

====================
wireless fixes for v6.10

Hopefully the last fixes for v6.10. Fix a regression in wilc1000
where bitrate Information Elements longer than 255 bytes were broken.
Few fixes also to mac80211 and iwlwifi.

* tag 'wireless-2024-07-04' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
  wifi: iwlwifi: mvm: check vif for NULL/ERR_PTR before dereference
  wifi: iwlwifi: mvm: avoid link lookup in statistics
  wifi: iwlwifi: mvm: don't wake up rx_sync_waitq upon RFKILL
  wifi: iwlwifi: properly set WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK
  wifi: wilc1000: fix ies_len type in connect path
  wifi: mac80211: fix BSS_CHANGED_UNSOL_BCAST_PROBE_RESP
====================

Link: https://patch.msgid.link/20240704111431.11DEDC3277B@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-04 07:31:55 -07:00
Paolo Abeni
e367197166 netfilter pull request 24-07-04
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Merge tag 'nf-24-07-04' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following batch contains a oneliner patch to inconditionally flush
workqueue containing stale objects to be released, syzbot managed to
trigger UaF. Patch from Florian Westphal.

netfilter pull request 24-07-04

* tag 'nf-24-07-04' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nf_tables: unconditionally flush pending work before notifier
====================

Link: https://patch.msgid.link/20240703223304.1455-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-07-04 15:31:27 +02:00
Shigeru Yoshida
61cf1c739f inet_diag: Initialize pad field in struct inet_diag_req_v2
KMSAN reported uninit-value access in raw_lookup() [1]. Diag for raw
sockets uses the pad field in struct inet_diag_req_v2 for the
underlying protocol. This field corresponds to the sdiag_raw_protocol
field in struct inet_diag_req_raw.

inet_diag_get_exact_compat() converts inet_diag_req to
inet_diag_req_v2, but leaves the pad field uninitialized. So the issue
occurs when raw_lookup() accesses the sdiag_raw_protocol field.

Fix this by initializing the pad field in
inet_diag_get_exact_compat(). Also, do the same fix in
inet_diag_dump_compat() to avoid the similar issue in the future.

[1]
BUG: KMSAN: uninit-value in raw_lookup net/ipv4/raw_diag.c:49 [inline]
BUG: KMSAN: uninit-value in raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71
 raw_lookup net/ipv4/raw_diag.c:49 [inline]
 raw_sock_get+0x657/0x800 net/ipv4/raw_diag.c:71
 raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99
 inet_diag_cmd_exact+0x7d9/0x980
 inet_diag_get_exact_compat net/ipv4/inet_diag.c:1404 [inline]
 inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426
 sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282
 netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:2564
 sock_diag_rcv+0x35/0x40 net/core/sock_diag.c:297
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x332/0x3d0 net/socket.c:745
 ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585
 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2639
 __sys_sendmsg net/socket.c:2668 [inline]
 __do_sys_sendmsg net/socket.c:2677 [inline]
 __se_sys_sendmsg net/socket.c:2675 [inline]
 __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675
 x64_sys_call+0x135e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 raw_sock_get+0x650/0x800 net/ipv4/raw_diag.c:71
 raw_diag_dump_one+0xa1/0x660 net/ipv4/raw_diag.c:99
 inet_diag_cmd_exact+0x7d9/0x980
 inet_diag_get_exact_compat net/ipv4/inet_diag.c:1404 [inline]
 inet_diag_rcv_msg_compat+0x469/0x530 net/ipv4/inet_diag.c:1426
 sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282
 netlink_rcv_skb+0x537/0x670 net/netlink/af_netlink.c:2564
 sock_diag_rcv+0x35/0x40 net/core/sock_diag.c:297
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0xe74/0x1240 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x10c6/0x1260 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x332/0x3d0 net/socket.c:745
 ____sys_sendmsg+0x7f0/0xb70 net/socket.c:2585
 ___sys_sendmsg+0x271/0x3b0 net/socket.c:2639
 __sys_sendmsg net/socket.c:2668 [inline]
 __do_sys_sendmsg net/socket.c:2677 [inline]
 __se_sys_sendmsg net/socket.c:2675 [inline]
 __x64_sys_sendmsg+0x27e/0x4a0 net/socket.c:2675
 x64_sys_call+0x135e/0x3ce0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd9/0x1e0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable req.i created at:
 inet_diag_get_exact_compat net/ipv4/inet_diag.c:1396 [inline]
 inet_diag_rcv_msg_compat+0x2a6/0x530 net/ipv4/inet_diag.c:1426
 sock_diag_rcv_msg+0x23d/0x740 net/core/sock_diag.c:282

CPU: 1 PID: 8888 Comm: syz-executor.6 Not tainted 6.10.0-rc4-00217-g35bb670d65fc #32
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-2.fc40 04/01/2014

Fixes: 432490f9d4 ("net: ip, diag -- Add diag interface for raw sockets")
Reported-by: syzkaller <syzkaller@googlegroups.com>
Signed-off-by: Shigeru Yoshida <syoshida@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20240703091649.111773-1-syoshida@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-07-04 15:25:09 +02:00
Oleksij Rempel
aa77b11280 net: dsa: microchip: lan937x: Add error handling in lan937x_setup
Introduce error handling for lan937x_cfg function calls in lan937x_setup.
This change ensures that if any lan937x_cfg or ksz_rmw32 calls fails, the
function will return the appropriate error code.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Link: https://patch.msgid.link/20240703083820.3152100-1-o.rempel@pengutronix.de
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-07-04 13:05:20 +02:00
Thorsten Blum
47c130130d l2tp: Remove duplicate included header file trace.h
Remove duplicate included header file trace.h and the following warning
reported by make includecheck:

  trace.h is included more than once

Compile-tested only.

Signed-off-by: Thorsten Blum <thorsten.blum@toblux.com>
Reviewed-by: Michal Kubiak <michal.kubiak@intel.com>
Link: https://patch.msgid.link/20240703061147.691973-2-thorsten.blum@toblux.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-07-04 12:37:58 +02:00
Kuniyuki Iwashima
4b74726c01 tcp: Don't flag tcp_sk(sk)->rx_opt.saw_unknown for TCP AO.
When we process segments with TCP AO, we don't check it in
tcp_parse_options().  Thus, opt_rx->saw_unknown is set to 1,
which unconditionally triggers the BPF TCP option parser.

Let's avoid the unnecessary BPF invocation.

Fixes: 0a3a809089 ("net/tcp: Verify inbound TCP-AO signed segments")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Acked-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20240703033508.6321-1-kuniyu@amazon.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-07-04 11:56:12 +02:00
Jakub Kicinski
aa09b7e0c1 Merge branch 'fix-oom-and-order-check-in-msg_zerocopy-selftest'
Zijian Zhang says:

====================
fix OOM and order check in msg_zerocopy selftest

In selftests/net/msg_zerocopy.c, it has a while loop keeps calling sendmsg
on a socket with MSG_ZEROCOPY flag, and it will recv the notifications
until the socket is not writable. Typically, it will start the receiving
process after around 30+ sendmsgs. However, as the introduction of commit
dfa2f04833 ("tcp: get rid of sysctl_tcp_adv_win_scale"), the sender is
always writable and does not get any chance to run recv notifications.
The selftest always exits with OUT_OF_MEMORY because the memory used by
opt_skb exceeds the net.core.optmem_max. Meanwhile, it could be set to a
different value to trigger OOM on older kernels too.

Thus, we introduce "cfg_notification_limit" to force sender to receive
notifications after some number of sendmsgs.

And, we find that when lock debugging is on, notifications may not come in
order. Thus, we have order checking outputs managed by cfg_verbose, to
avoid too many outputs in this case.
====================

Link: https://patch.msgid.link/20240701225349.3395580-1-zijianzhang@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-03 19:42:34 -07:00
Zijian Zhang
7d6d8f0c8b selftests: make order checking verbose in msg_zerocopy selftest
We find that when lock debugging is on, notifications may not come in
order. Thus, we have order checking outputs managed by cfg_verbose, to
avoid too many outputs in this case.

Fixes: 07b65c5b31 ("test: add msg_zerocopy test")
Signed-off-by: Zijian Zhang <zijianzhang@bytedance.com>
Signed-off-by: Xiaochun Lu <xiaochun.lu@bytedance.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240701225349.3395580-3-zijianzhang@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-03 19:42:32 -07:00
Zijian Zhang
af2b7e5b74 selftests: fix OOM in msg_zerocopy selftest
In selftests/net/msg_zerocopy.c, it has a while loop keeps calling sendmsg
on a socket with MSG_ZEROCOPY flag, and it will recv the notifications
until the socket is not writable. Typically, it will start the receiving
process after around 30+ sendmsgs. However, as the introduction of commit
dfa2f04833 ("tcp: get rid of sysctl_tcp_adv_win_scale"), the sender is
always writable and does not get any chance to run recv notifications.
The selftest always exits with OUT_OF_MEMORY because the memory used by
opt_skb exceeds the net.core.optmem_max. Meanwhile, it could be set to a
different value to trigger OOM on older kernels too.

Thus, we introduce "cfg_notification_limit" to force sender to receive
notifications after some number of sendmsgs.

Fixes: 07b65c5b31 ("test: add msg_zerocopy test")
Signed-off-by: Zijian Zhang <zijianzhang@bytedance.com>
Signed-off-by: Xiaochun Lu <xiaochun.lu@bytedance.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://patch.msgid.link/20240701225349.3395580-2-zijianzhang@bytedance.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-03 19:42:32 -07:00
Jakub Kicinski
f66738dccd Merge branch 'intel-wired-lan-driver-updates-2024-06-25-ice'
Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-06-25 (ice)

This series contains updates to ice driver only.

Milena adds disabling of extts events when PTP is disabled.

Jake prevents possible NULL pointer by checking that timestamps are
ready before processing extts events and adds checks for unsupported
PTP pin configuration.

Petr Oros replaces _test_bit() with the correct test_bit() macro.
v1: https://lore.kernel.org/netdev/20240625170248.199162-1-anthony.l.nguyen@intel.com/
====================

Link: https://patch.msgid.link/20240702171459.2606611-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-03 19:36:54 -07:00
Petr Oros
7829ee7849 ice: use proper macro for testing bit
Do not use _test_bit() macro for testing bit. The proper macro for this
is one without underline.

_test_bit() is what test_bit() was prior to const-optimization. It
directly calls arch_test_bit(), i.e. the arch-specific implementation
(or the generic one). It's strictly _internal_ and shouldn't be used
anywhere outside the actual test_bit() macro.

test_bit() is a wrapper which checks whether the bitmap and the bit
number are compile-time constants and if so, it calls the optimized
function which evaluates this call to a compile-time constant as well.
If either of them is not a compile-time constant, it just calls _test_bit().
test_bit() is the actual function to use anywhere in the kernel.

IOW, calling _test_bit() avoids potential compile-time optimizations.

The sensors is not a compile-time constant, thus most probably there
are no object code changes before and after the patch.
But anyway, we shouldn't call internal wrappers instead of
the actual API.

Fixes: 4da71a77fc ("ice: read internal temperature sensor")
Acked-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Alexander Lobakin <aleksander.lobakin@intel.com>
Signed-off-by: Petr Oros <poros@redhat.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.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>
Link: https://patch.msgid.link/20240702171459.2606611-5-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-03 19:36:52 -07:00
Jacob Keller
be2a9d12e6 ice: Reject pin requests with unsupported flags
The driver receives requests for configuring pins via the .enable
callback of the PTP clock object. These requests come into the driver
with flags which modify the requested behavior from userspace. Current
implementation in ice does not reject flags that it doesn't support.
This causes the driver to incorrectly apply requests with such flags as
PTP_PEROUT_DUTY_CYCLE, or any future flags added by the kernel which it
is not yet aware of.

Fix this by properly validating flags in both ice_ptp_cfg_perout and
ice_ptp_cfg_extts. Ensure that we check by bit-wise negating supported
flags rather than just checking and rejecting known un-supported flags.
This is preferable, as it ensures better compatibility with future
kernels.

Fixes: 172db5f91d ("ice: add support for auxiliary input/output pins")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
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>
Link: https://patch.msgid.link/20240702171459.2606611-4-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-07-03 19:36:51 -07:00