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Accelerate TX packet duplication with HSR rings.
This is only possible with the NPI-based "ocelot" tagging protocol, not
with "ocelot-8021q", because the latter does not use dsa_xmit_port_mask().
This has 2 implications:
- Depending on tagging protocol, we should set (or not set) the offload
feature flags. Switching tagging protocols is done with ports down, by
design. Additional calls to dsa_port_simple_hsr_join() can be put in
the ds->ops->change_tag_protocol() path, as I had originally tried,
but this would not work: dsa_user_setup_tagger() would later clear
the feature flag that we just set. So the additional call to
dsa_port_simple_hsr_join() should sit in the ds->ops->port_enable()
call.
- When joining a HSR ring and we are currently using "ocelot-8021q",
there are cases when we should return -EOPNOTSUPP (pessimistic) and
cases when we shouldn't (optimistic). In the pessimistic case, it is a
configuration that the port won't support even with the right tagging
protocol. Distinguishing between these 2 cases matters because if we
just return -EOPNOTSUPP regardless, we lose the dp->hsr_dev pointer
and can no longer replay the offload later for the optimistic case,
from felix_port_enable().
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251130131657.65080-8-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Accelerate TX packet duplication with HSR rings.
Cc: David Yang <mmyangfl@gmail.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251130131657.65080-7-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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It turns out that HSR offloads are so fine-grained that many DSA
switches can do a small part even though they weren't specifically
designed for the protocols supported by that driver (HSR and PRP).
Specifically NETIF_F_HW_HSR_DUP - it is simple packet duplication on
transmit, towards all (aka 2) ports members of the HSR device.
For many DSA switches, we know how to duplicate a packet, even though we
never typically use that feature. The transmit port mask from the
tagging protocol can have multiple bits set, and the switch should send
the packet once to every port with a bit set from that mask.
Nonetheless, not all tagging protocols are like this, and sometimes the
port is a single numeric value rather than a bit mask. For that reason,
and also because switches can sometimes change tagging protocols for
different ones, we need to make HSR offload helpers opt-in.
For devices that can do nothing else HSR-specific, we introduce
dsa_port_simple_hsr_join() and dsa_port_simple_hsr_leave(). These
functions monitor when two user ports of the same switch are part of the
same HSR device, and when that condition is true, they toggle the
NETIF_F_HW_HSR_DUP feature flag of both net devices.
Normally only dsa_port_simple_hsr_join() and dsa_port_simple_hsr_leave()
are needed. The dsa_port_simple_hsr_validate() helper is just to see
what kind of configuration could be offloadable using the generic
helpers. This is used by switch drivers which are not currently using
the right tagging protocol to offload this HSR ring, but could in
principle offload it after changing the tagger.
Suggested-by: David Yang <mmyangfl@gmail.com>
Cc: "Alvin Šipraga" <alsi@bang-olufsen.dk>
Cc: Chester A. Unal" <chester.a.unal@arinc9.com>
Cc: "Clément Léger" <clement.leger@bootlin.com>
Cc: Daniel Golle <daniel@makrotopia.org>
Cc: DENG Qingfang <dqfext@gmail.com>
Cc: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: George McCollister <george.mccollister@gmail.com>
Cc: Hauke Mehrtens <hauke@hauke-m.de>
Cc: Jonas Gorski <jonas.gorski@gmail.com>
Cc: Kurt Kanzenbach <kurt@linutronix.de>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Sean Wang <sean.wang@mediatek.com>
Cc: UNGLinuxDriver@microchip.com
Cc: Woojung Huh <woojung.huh@microchip.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251130131657.65080-6-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As discussed here:
https://lore.kernel.org/netdev/20240620090210.drop6jwh7e5qw556@skbuf/
the fact is that the xrs700x.c driver only supports offloading
HSR_PT_SLAVE_A and HSR_PT_SLAVE_B (which were the only port types at the
time the offload was written, _for this driver_).
Up until now, the API did not explicitly tell offloading drivers what
port has what role. So xrs700x can get confused and think that it can
support a configuration which it actually can't. There was a table in
the attached link which gave an example:
$ ip link add name hsr0 type hsr slave1 swp0 slave2 swp1 \
interlink swp2 supervision 45 version 1
HSR_PT_SLAVE_A HSR_PT_SLAVE_B HSR_PT_INTERLINK
----------------------------------------------------------------
user
space 0 1 2
requests
----------------------------------------------------------------
XRS700X
driver 1 2 -
understands
The switch would act as if the ring ports were swp1 and swp2.
Now that we have explicit hsr_get_port_type() API, let's use that to
work around the unintended semantical changes of the offloading API
brought by the introduction of interlink ports in HSR.
Fixes: 5055cccfc2d1 ("net: hsr: Provide RedBox support (HSR-SAN)")
Cc: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: George McCollister <george.mccollister@gmail.com>
Link: https://patch.msgid.link/20251130131657.65080-5-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This mirrors what we do in dsa_port_lag_leave() and
dsa_port_bridge_leave(): when ds->ops->port_hsr_join() returns
-EOPNOTSUPP, we fall back to a software implementation where dp->hsr_dev
is NULL, and the unoffloaded port is no longer bothered with calls from
the HSR layer.
This helps, for example, with interlink ports which current DSA drivers
don't know how to offload. We have to check only in port_hsr_join() for
the port type, then in port_hsr_leave() we are sure we're dealing only
with known port types.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251130131657.65080-4-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since the introduction of HSR_PT_INTERLINK in commit 5055cccfc2d1 ("net:
hsr: Provide RedBox support (HSR-SAN)"), we see that different port
types require different settings for hardware offload, which was not the
case before when we only had HSR_PT_SLAVE_A and HSR_PT_SLAVE_B. But
there is currently no way to know which port is which type, so create
the hsr_get_port_type() API function and export it.
When hsr_get_port_type() is called from the device driver, the port can
must be found in the HSR port list. An important use case is for this
function to work from offloading drivers' NETDEV_CHANGEUPPER handler,
which is triggered by hsr_portdev_setup() -> netdev_master_upper_dev_link().
Therefore, we need to move the addition of the hsr_port to the HSR port
list prior to calling hsr_portdev_setup(). This makes the error
restoration path also more similar to hsr_del_port(), where
kfree_rcu(port) is already used.
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Łukasz Majewski <lukma@nabladev.com>
Link: https://patch.msgid.link/20251130131657.65080-3-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit cb675afcddbb ("net: dsa: mt7530: introduce separate MDIO driver")
exported mt7530_switch_ops for use from mt7530-mmio.c. Later in the
patch set, mt7530-mmio.c used mt7530_probe_common() to access the
mt7530_switch_ops still from mt7530.c - see commit 110c18bfed41 ("net:
dsa: mt7530: introduce driver for MT7988 built-in switch").
This proves that exporting mt7530_switch_ops was unnecessary, so
unexport it back.
Cc: DENG Qingfang <dqfext@gmail.com>
Cc: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Chester A. Unal <chester.a.unal@arinc9.com>
Link: https://patch.msgid.link/20251130131657.65080-2-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull autofs update from Christian Brauner:
"Prevent futile mount triggers in private mount namespaces.
Fix a problematic loop in autofs when a mount namespace contains
autofs mounts that are propagation private and there is no
namespace-specific automount daemon to handle possible automounting.
Previously, attempted path resolution would loop until MAXSYMLINKS was
reached before failing, causing significant noise in the log.
The fix adds a check in autofs ->d_automount() so that the VFS can
immediately return EPERM in this case. Since the mount is propagation
private, EPERM is the most appropriate error code"
* tag 'vfs-6.19-rc1.autofs' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
autofs: dont trigger mount if it cant succeed
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull overlayfs cred guard conversion from Christian Brauner:
"This converts all of overlayfs to use credential guards, eliminating
manual credential management throughout the filesystem.
Credential guard conversion:
- Convert all of overlayfs to use credential guards, replacing the
manual ovl_override_creds()/ovl_revert_creds() pattern with scoped
guards.
This makes credential handling visually explicit and eliminates a
class of potential bugs from mismatched override/revert calls.
(1) Basic credential guard (with_ovl_creds)
(2) Creator credential guard (ovl_override_creator_creds):
Introduced a specialized guard for file creation operations
that handles the two-phase credential override (mounter
credentials, then fs{g,u}id override). The new pattern is much
clearer:
with_ovl_creds(dentry->d_sb) {
scoped_class(prepare_creds_ovl, cred, dentry, inode, mode) {
if (IS_ERR(cred))
return PTR_ERR(cred);
/* creation operations */
}
}
(3) Copy-up credential guard (ovl_cu_creds):
Introduced a specialized guard for copy-up operations,
simplifying the previous struct ovl_cu_creds helper and
associated functions.
Ported ovl_copy_up_workdir() and ovl_copy_up_tmpfile() to this
pattern.
Cleanups:
- Remove ovl_revert_creds() after all callers converted to guards
- Remove struct ovl_cu_creds and associated functions
- Drop ovl_setup_cred_for_create() after conversion
- Refactor ovl_fill_super(), ovl_lookup(), ovl_iterate(),
ovl_rename() for cleaner credential guard scope
- Introduce struct ovl_renamedata to simplify rename handling
- Don't override credentials for ovl_check_whiteouts() (unnecessary)
- Remove unneeded semicolon"
* tag 'vfs-6.19-rc1.ovl' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (54 commits)
ovl: remove unneeded semicolon
ovl: remove struct ovl_cu_creds and associated functions
ovl: port ovl_copy_up_tmpfile() to cred guard
ovl: mark *_cu_creds() as unused temporarily
ovl: port ovl_copy_up_workdir() to cred guard
ovl: add copy up credential guard
ovl: drop ovl_setup_cred_for_create()
ovl: port ovl_create_or_link() to new ovl_override_creator_creds cleanup guard
ovl: mark ovl_setup_cred_for_create() as unused temporarily
ovl: reflow ovl_create_or_link()
ovl: port ovl_create_tmpfile() to new ovl_override_creator_creds cleanup guard
ovl: add ovl_override_creator_creds cred guard
ovl: remove ovl_revert_creds()
ovl: port ovl_fill_super() to cred guard
ovl: refactor ovl_fill_super()
ovl: port ovl_lower_positive() to cred guard
ovl: port ovl_lookup() to cred guard
ovl: refactor ovl_lookup()
ovl: port ovl_copyfile() to cred guard
ovl: port ovl_rename() to cred guard
...
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull directory locking updates from Christian Brauner:
"This contains the work to add centralized APIs for directory locking
operations.
This series is part of a larger effort to change directory operation
locking to allow multiple concurrent operations in a directory. The
ultimate goal is to lock the target dentry(s) rather than the whole
parent directory.
To help with changing the locking protocol, this series centralizes
locking and lookup in new helper functions. The helpers establish a
pattern where it is the dentry that is being locked and unlocked
(currently the lock is held on dentry->d_parent->d_inode, but that can
change in the future).
This also changes vfs_mkdir() to unlock the parent on failure, as well
as dput()ing the dentry. This allows end_creating() to only require
the target dentry (which may be IS_ERR() after vfs_mkdir()), not the
parent"
* tag 'vfs-6.19-rc1.directory.locking' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
nfsd: fix end_creating() conversion
VFS: introduce end_creating_keep()
VFS: change vfs_mkdir() to unlock on failure.
ecryptfs: use new start_creating/start_removing APIs
Add start_renaming_two_dentries()
VFS/ovl/smb: introduce start_renaming_dentry()
VFS/nfsd/ovl: introduce start_renaming() and end_renaming()
VFS: add start_creating_killable() and start_removing_killable()
VFS: introduce start_removing_dentry()
smb/server: use end_removing_noperm for for target of smb2_create_link()
VFS: introduce start_creating_noperm() and start_removing_noperm()
VFS/nfsd/cachefiles/ovl: introduce start_removing() and end_removing()
VFS/nfsd/cachefiles/ovl: add start_creating() and end_creating()
VFS: tidy up do_unlinkat()
VFS: introduce start_dirop() and end_dirop()
debugfs: rename end_creating() to debugfs_end_creating()
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull directory delegations update from Christian Brauner:
"This contains the work for recall-only directory delegations for
knfsd.
Add support for simple, recallable-only directory delegations. This
was decided at the fall NFS Bakeathon where the NFS client and server
maintainers discussed how to merge directory delegation support.
The approach starts with recallable-only delegations for several reasons:
1. RFC8881 has gaps that are being addressed in RFC8881bis. In
particular, it requires directory position information for
CB_NOTIFY callbacks, which is difficult to implement properly
under Linux. The spec is being extended to allow that information
to be omitted.
2. Client-side support for CB_NOTIFY still lags. The client side
involves heuristics about when to request a delegation.
3. Early indication shows simple, recallable-only delegations can
help performance. Anna Schumaker mentioned seeing a multi-minute
speedup in xfstests runs with them enabled.
With these changes, userspace can also request a read lease on a
directory that will be recalled on conflicting accesses. This may be
useful for applications like Samba. Users can disable leases
altogether via the fs.leases-enable sysctl if needed.
VFS changes:
- Dedicated Type for Delegations
Introduce struct delegated_inode to track inodes that may have
delegations that need to be broken. This replaces the previous
approach of passing raw inode pointers through the delegation
breaking code paths, providing better type safety and clearer
semantics for the delegation machinery.
- Break parent directory delegations in open(..., O_CREAT) codepath
- Allow mkdir to wait for delegation break on parent
- Allow rmdir to wait for delegation break on parent
- Add try_break_deleg calls for parents to vfs_link(), vfs_rename(),
and vfs_unlink()
- Make vfs_create(), vfs_mknod(), and vfs_symlink() break delegations
on parent directory
- Clean up argument list for vfs_create()
- Expose delegation support to userland
Filelock changes:
- Make lease_alloc() take a flags argument
- Rework the __break_lease API to use flags
- Add struct delegated_inode
- Push the S_ISREG check down to ->setlease handlers
- Lift the ban on directory leases in generic_setlease
NFSD changes:
- Allow filecache to hold S_IFDIR files
- Allow DELEGRETURN on directories
- Wire up GET_DIR_DELEGATION handling
Fixes:
- Fix kernel-doc warnings in __fcntl_getlease
- Add needed headers for new struct delegation definition"
* tag 'vfs-6.19-rc1.directory.delegations' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
vfs: add needed headers for new struct delegation definition
filelock: __fcntl_getlease: fix kernel-doc warnings
vfs: expose delegation support to userland
nfsd: wire up GET_DIR_DELEGATION handling
nfsd: allow DELEGRETURN on directories
nfsd: allow filecache to hold S_IFDIR files
filelock: lift the ban on directory leases in generic_setlease
vfs: make vfs_symlink break delegations on parent dir
vfs: make vfs_mknod break delegations on parent directory
vfs: make vfs_create break delegations on parent directory
vfs: clean up argument list for vfs_create()
vfs: break parent dir delegations in open(..., O_CREAT) codepath
vfs: allow rmdir to wait for delegation break on parent
vfs: allow mkdir to wait for delegation break on parent
vfs: add try_break_deleg calls for parents to vfs_{link,rename,unlink}
filelock: push the S_ISREG check down to ->setlease handlers
filelock: add struct delegated_inode
filelock: rework the __break_lease API to use flags
filelock: make lease_alloc() take a flags argument
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull minix fixes from Christian Brauner:
"Fix two syzbot corruption bugs in the minix filesystem.
Syzbot fuzzes filesystems by trying to mount and manipulate
deliberately corrupted images. This should not lead to BUG_ONs and
WARN_ONs for easy to detect corruptions.
- Add error handling to minix filesystem for inode corruption
detection, enabling the filesystem to report such corruptions
cleanly.
- Fix a drop_nlink warning in minix_rmdir() triggered by corrupted
directory link counts.
- Fix a drop_nlink warning in minix_rename() triggered by corrupted
inode link counts"
* tag 'vfs-6.19-rc1.minix' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
Fix a drop_nlink warning in minix_rename
Fix a drop_nlink warning in minix_rmdir
Add error handling to minix filesystem for inode corruption detection
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David Yang says:
====================
net: dsa: yt921x: Add STP/MST support
Support for these features was deferred from the initial submission of the
driver.
v3: https://lore.kernel.org/20251126093240.2853294-1-mmyangfl@gmail.com
v2: https://lore.kernel.org/20251025170606.1937327-1-mmyangfl@gmail.com
v1: https://lore.kernel.org/20251024033237.1336249-1-mmyangfl@gmail.com
====================
Link: https://patch.msgid.link/20251201094232.3155105-1-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Support for STP/MST was deferred from the initial submission of the
driver.
Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251201094232.3155105-3-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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VLAN_CTRL should be treated as a 64-bit register. GENMASK and BIT
macros use unsigned long as the underlying type, which will result in a
build error on architectures where sizeof(long) == 4.
Replace them with unsigned long long variants.
Signed-off-by: David Yang <mmyangfl@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251201094232.3155105-2-mmyangfl@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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'add-sqi-and-sqi-support-for-oatc14-10base-t1s-phys-and-microchip-t1s-driver'
Parthiban Veerasooran says:
====================
Add SQI and SQI+ support for OATC14 10Base-T1S PHYs and Microchip T1S driver
This patch series adds Signal Quality Indicator (SQI) and enhanced SQI+
support for OATC14 10Base-T1S PHYs, along with integration into the
Microchip T1S PHY driver. This enables ethtool to report the SQI value for
OATC14 10Base-T1S PHYs.
====================
Link: https://patch.msgid.link/20251201032346.6699-1-parthiban.veerasooran@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add support for Signal Quality Index (SQI) reporting in the
Microchip T1S PHY driver for LAN867x Rev.D0 (OATC14-compliant) PHYs.
This patch registers the following callbacks in the microchip_t1s driver
structure:
- .get_sqi - returns the current SQI value
- .get_sqi_max - returns the maximum SQI value
This enables ethtool to report the SQI value for LAN867x Rev.D0 PHYs.
Signed-off-by: Parthiban Veerasooran <parthiban.veerasooran@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251201032346.6699-3-parthiban.veerasooran@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add support for reading Signal Quality Indicator (SQI) and enhanced SQI+
from OATC14 10Base-T1S PHYs.
- Introduce MDIO register definitions for DCQ_SQI and DCQ_SQIPLUS.
- Add `genphy_c45_oatc14_get_sqi_max()` to return the maximum supported
SQI/SQI+ level.
- Add `genphy_c45_oatc14_get_sqi()` to return the current SQI or SQI+
value.
- Update `include/linux/phy.h` to expose the new APIs.
SQI+ capability is read from the Advanced Diagnostic Features Capability
register (ADFCAP). If SQI+ is supported, the driver calculates the value
from the MSBs of the DCQ_SQIPLUS register; otherwise, it falls back to
basic SQI (0-7 levels). This enables ethtool to report the SQI value for
OATC14 10Base-T1S PHYs.
Open Alliance TC14 10BASE-T1S Advanced Diagnostic PHY Features
Specification ref:
https://opensig.org/wp-content/uploads/2025/06/OPEN_Alliance_10BASE-T1S_Advanced_PHY_features_for-automotive_Ethernet_V2.1b.pdf
Signed-off-by: Parthiban Veerasooran <parthiban.veerasooran@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20251201032346.6699-2-parthiban.veerasooran@microchip.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tariq Toukan says:
====================
net/mlx5e: Enhance DCBNL get/set maxrate code
This series by Gal introduces multiple small code quality improvements
for the DCBNL operations mlx5e_dcbnl_ieee_[gs]etmaxrate().
No functional change.
====================
Link: https://patch.msgid.link/1764498334-1327918-1-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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MLX5E_100MB and MLX5E_1GB defines are confusing, MLX5E_100MB is not
equal to 100 * MEGA, and MLX5E_1GB is not equal to one GIGA, as they
hide the Kbps rate conversion required for ieee_maxrate.
Replace hardcoded bandwidth conversion values with standard unit
definitions from linux/units.h. Rename MLX5E_100MB/MLX5E_1GB to
MLX5E_100MB_TO_KB/MLX5E_1GB_TO_KB to clarify these are conversion
factors to Kbps, not absolute bandwidth values.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1764498334-1327918-5-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Replace hard coded 255 magic number with U8_MAX (the register field is 8
bits).
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1764498334-1327918-4-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Clarify that the limit represents the threshold for using 100 Mbps
units rather than a general Mbps limit.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1764498334-1327918-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Change upper_limit_mbps/gbps from __u64 to u64 to follow kernel coding
conventions.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Nimrod Oren <noren@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1764498334-1327918-2-git-send-email-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit 17e9f841dd227a4dc976b22d000d5f669bc14493.
Nathan reports error messages appearing in dmesg since commit
under Fixes:
[ 3.844125] r8169 0000:01:00.0 (unnamed net_device) (uninitialized): rtl_eriar_cond == 0 (loop: 100, delay: 100).
[ 3.864844] r8169 0000:01:00.0 eth0: rtl_eriar_cond == 1 (loop: 100, delay: 100).
[ 3.878825] r8169 0000:01:00.0 eth0: rtl_eriar_cond == 1 (loop: 100, delay: 100).
[ 3.892632] r8169 0000:01:00.0 eth0: rtl_eriar_cond == 1 (loop: 100, delay: 100).
[ 5.002551] r8169 0000:01:00.0 eth0: rtl_eriar_cond == 1 (loop: 100, delay: 100).
[ 5.016286] r8169 0000:01:00.0 eth0: rtl_eriar_cond == 1 (loop: 100, delay: 100).
[ 5.030027] r8169 0000:01:00.0 eth0: rtl_eriar_cond == 1 (loop: 100, delay: 100).
Let's drop the bad change and revisit in the next release cycle.
Repoted-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/20251201224238.GA604467@ax162
Fixes: 17e9f841dd22 ("r8169: add DASH support for RTL8127AP")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jonas Gorski says:
====================
net: dsa: b53: fix ARL accesses for BCM5325/65 and allow VID 0
ARL entries on BCM5325 and BCM5365 were broken significantly in two
ways:
- Entries for the CPU port were using the wrong port id, pointing to a
non existing port.
- Setting the VLAN ID for entries was not done, adding them all to VLAN
0 instead.
While the former technically broke any communication to the CPU port,
with the latter they were added to the currently unused VID 0, so they
never became effective. Presumably the default PVID was set to 1 because
of these issues 0 was broken (and the root cause not found).
So fix writing and reading entries on BCM5325/65 by first fixing the CPU
port entries, then fixing setting the VLAN ID for entries.
Finally, re-allow VID 0 for BCM5325/65 to allow the whole 1-15 VLAN ID
range to be available to users, and align VLAN handling with all other
switch chips.
====================
Link: https://patch.msgid.link/20251128080625.27181-1-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Now that writing ARL entries works properly, we can actually use VID 0
as the default untagged VLAN for BCM5325 and BCM5365 as well.
So use 0 as default PVID for all chips and do not reject VLAN 0 anymore,
which we ignored since commit 45e9d59d3950 ("net: dsa: b53: do not allow
to configure VLAN 0") anyway.
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251128080625.27181-8-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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BCM5325/65's ARL entry registers do not contain the VID, only the search
result register does. ARL entries have a separate VID entry register for
the index into the VLAN table.
So make ARL entry accessors use the VID entry registers instead, and
move the VLAN ID field definition to the search register definition.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251128080625.27181-7-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We currently use the mask 0xf for writing and reading b53_entry::port,
but this is only correct for unicast ARL entries. Multicast ARL entries
use a bitmask, and 0xf is not enough space for ports > 3, which includes
the CPU port.
So extend the mask accordingly to also fit port 4 (bit 4) and MII (bit
5). According to the datasheet the multicast port mask is [60:48],
making it 12 bit wide, but bits 60-55 are reserved anyway, and collide
with the priority field at [60:59], so I am not sure if this is valid.
Therefore leave it at the actual used range, [53:48].
The ARL search result register differs a bit, and there the mask is only
[52:48], so only spanning the user ports. The MII port bit is
contained in the Search Result Extension register. So create a separate
search result parse function that properly handles this.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20251128080625.27181-6-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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On BCM5325 and BCM5365, unicast ARL entries use 8 as the value for the
CPU port, so we need to translate it to/from 5 as used for the CPU port
at most other places.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20251128080625.27181-5-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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BCM5365's search result is at the same offset as BCM5325's search
result, and they (mostly) share the same format, so switch BCM5365 to
BCM5325's arl ops.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20251128080625.27181-4-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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BCM5325/65's Entry register uses the highest three bits for
VALID/STATIC/AGE, so shifting by 53 only will add these to
b53_arl_entry::vid.
So make sure to mask the vid value as well, to not get invalid VIDs.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20251128080625.27181-3-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Since BCM5325 and BCM5365 only support up to 256 VLANs, the VLAN_ID_IDX
register is only 8 bit wide, not 16 bit, so use an appropriate accessor.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365")
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Álvaro Fernández Rojas <noltari@gmail.com>
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Link: https://patch.msgid.link/20251128080625.27181-2-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull superblock lock guard updates from Christian Brauner:
"This starts the work of introducing guards for superblock related
locks.
Introduce super_write_guard for scoped superblock write protection.
This provides a guard-based alternative to the manual sb_start_write()
and sb_end_write() pattern, allowing the compiler to automatically
handle the cleanup"
* tag 'vfs-6.19-rc1.guards' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
xfs: use super write guard in xfs_file_ioctl()
open: use super write guard in do_ftruncate()
btrfs: use super write guard in relocating_repair_kthread()
ext4: use super write guard in write_mmp_block()
btrfs: use super write guard in sb_start_write()
btrfs: use super write guard btrfs_run_defrag_inode()
btrfs: use super write guard in btrfs_reclaim_bgs_work()
fs: add super_write_guard
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Raju Rangoju says:
====================
amd-xgbe: schedule NAPI on RBU event
During the RX overload the Rx buffers may not be refilled, trying to
schedule the NAPI when an Rx Buffer Unavailable is signaled may help in
improving the such situation, in case we missed an IRQ.
====================
Link: https://patch.msgid.link/20251129175016.3034185-1-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Under heavy load, Rx Buffer Unavailable (RBU) can occur if Rx processing
is slower than network. When an RBU is signaled, try to schedule NAPI to
help recover from such situation (including cases where an IRQ may be
missed or such)
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20251129175016.3034185-3-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Refactor the DMA interrupt bottom-half handling to improve the
readability, maintainability, without changing the intended behavior.
Signed-off-by: Raju Rangoju <Raju.Rangoju@amd.com>
Link: https://patch.msgid.link/20251129175016.3034185-2-Raju.Rangoju@amd.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Follow the "action" - "err_action" pairing of labels
found across the source code of team net device.
Currently in team_port_add the err_set_slave_promisc
label is reused for exiting on error when setting
allmulti level of the new slave.
Signed-off-by: Nikola Z. Ivanov <zlatistiv@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://patch.msgid.link/20251128072544.223645-1-zlatistiv@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull fs header updates from Christian Brauner:
"This contains initial work to start splitting up fs.h.
Begin the long-overdue work of splitting up the monolithic fs.h
header. The header has grown to over 3000 lines and includes types and
functions for many different subsystems, making it difficult to
navigate and causing excessive compilation dependencies.
This series introduces new focused headers for superblock-related
code:
- Rename fs_types.h to fs_dirent.h to better reflect its actual
content (directory entry types)
- Add fs/super_types.h containing superblock type definitions
- Add fs/super.h containing superblock function declarations
This is the first step in a longer effort to modularize the VFS
headers.
Cleanups:
- Inode Field Layout Optimization (Mateusz Guzik)
Move inode fields used during fast path lookup closer together to
improve cache locality during path resolution.
- current_umask() Optimization (Mateusz Guzik)
Inline current_umask() and move it to fs_struct.h. This improves
performance by avoiding function call overhead for this
frequently-used function, and places it in a more appropriate
header since it operates on fs_struct"
* tag 'vfs-6.19-rc1.fs_header' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
fs: move inode fields used during fast path lookup closer together
fs: inline current_umask() and move it to fs_struct.h
fs: add fs/super.h header
fs: add fs/super_types.h header
fs: rename fs_types.h to fs_dirent.h
|
|
When MANA is being probed, it's possible that hardware is in recovery
mode and the device may get GDMA_EQE_HWC_RESET_REQUEST over HWC in the
middle of the probe. Detect such condition and go through the recovery
service procedure.
Signed-off-by: Long Li <longli@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Link: https://patch.msgid.link/1764193552-9712-1-git-send-email-longli@linux.microsoft.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
To capture TX packets during a test, we are currently intercepting the
dst->output with an implementation that adds the transmitted packet to
a skb queue attached to the test-specific mock dst. The netdev itself is
not involved in the test TX path.
Instead, we can just use our test device to stash TXed packets for later
inspection by the test. This means we can include the actual
mctp_dst_output() implementation in the test (by setting dst.output in
the test case), and don't need to be creating fake dst objects, or their
corresponding skb queues.
We need to ensure that the netdev is up to allow delivery to
ndo_start_xmit, but the tests assume active devices at present anyway.
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://patch.msgid.link/20251126-dev-mctp-test-tx-queue-v2-1-4e5bbd1d6c57@codeconstruct.com.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Testing in two circumstances:
1. back to back optical SFP+ connection between two LS1028A-QDS ports
with the SCH-26908 riser card
2. T1042 with on-board AQR115 PHY using "OCSGMII", as per
https://lore.kernel.org/lkml/aIuEvaSCIQdJWcZx@FUE-ALEWI-WINX/
strongly suggests that enabling in-band auto-negotiation is actually
possible when the lane baud rate is 3.125 Gbps.
It was previously thought that this would not be the case, because it
was only tested on 2500base-x links with on-board Aquantia PHYs, where
it was noticed that MII_LPA is always reported as zero, and it was
thought that this is because of the PCS.
Test case #1 above shows it is not, and the configured MII_ADVERTISE on
system A ends up in the MII_LPA on system B, when in 2500base-x mode
(IF_MODE=0).
Test case #2, which uses "SGMII" auto-negotiation (IF_MODE=3) for the
3.125 Gbps lane, is actually a misconfiguration, but it is what led to
the discovery.
There is actually an old bug in the Lynx PCS driver - it expects all
register values to contain their default out-of-reset values, as if the
PCS were initialized by the Reset Configuration Word (RCW) settings.
There are 2 cases in which this is problematic:
- if the bootloader (or previous kexec-enabled Linux) wrote a different
IF_MODE value
- if dynamically changing the SerDes protocol from 1000base-x to
2500base-x, e.g. by replacing the optical SFP module.
Specifically in test case #2, an accidental alignment between the
bootloader configuring the PCS to expect SGMII in-band code words, and
the AQR115 PHY actually transmitting SGMII in-band code words when
operating in the "OCSGMII" system interface protocol, led to the PCS
transmitting replicated symbols at 3.125 Gbps baud rate. This could only
have happened if the PCS saw and reacted to the SGMII code words in the
first place.
Since test #2 is invalid from a protocol perspective (there seems to be
no standard way of negotiating the data rate of 2500 Mbps with SGMII,
and the lower data rates should remain 10/100/1000), in-band auto-negotiation
for 2500base-x effectively means Clause 37 (i.e. IF_MODE=0).
Make 2500base-x be treated like 1000base-x in this regard, by removing
all prior limitations and calling lynx_pcs_config_giga().
This adds a new feature: LINK_INBAND_ENABLE and at the same time fixes
the Lynx PCS's long standing problem that the registers (specifically
IF_MODE, but others could be misconfigured as well) are not written by
the driver to the known valid values for 2500base-x.
Co-developed-by: Alexander Wilhelm <alexander.wilhelm@westermo.com>
Signed-off-by: Alexander Wilhelm <alexander.wilhelm@westermo.com>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://patch.msgid.link/20251125103507.749654-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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nvme_fc_ctrl_put can acquire the rport lock when freeing the
ctrl object:
nvme_fc_ctrl_put
nvme_fc_ctrl_free
spin_lock_irqsave(rport->lock)
Thus we can't hold the rport lock when calling nvme_fc_ctrl_put.
Justin suggested use the safe list iterator variant because
nvme_fc_ctrl_put will also modify the rport->list.
Cc: Justin Tee <justin.tee@broadcom.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Daniel Wagner <wagi@kernel.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
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|
Add a debug log spelling out that reading the CSTS register failed - to
distinguish this from other reasons for ENODEV.
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
Add a new error message that makes failures to probe visible in the
kernel log, like:
nvme 0008:00:00.0: error -ENODEV: probe failed
This highlights issues with a particular device right away instead of
leaving users to search for missing drives.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Wilfred Mallawa <wilfred.mallawa@wdc.com>
Signed-off-by: Gerd Bayer <gbayer@linux.ibm.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
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Currently, nvmet_pci_epf_init_dma() has two dev_dbg() calls intended to
print debug information about the DMA channels for RX and TX. However,
both calls mistakenly are made for the TX channel. Fix it by referreing
to 'nvme_epf->rx_chan' and 'nvme_epf->tx_chan' and instead of the local
variable 'chan'.
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
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For DMA initialization to work across all EPC drivers, the DMA
initialization has to be done in the .init() callback.
This is because not all EPC drivers will have a refclock (which is often
needed to access registers of a DMA controller embedded in a PCIe
controller) at the time the .bind() callback is called.
However, all EPC drivers are guaranteed to have a refclock by the time
the .init() callback is called.
Thus, move the DMA initialization to the .init() callback.
This change was already done for other EPF drivers in
commit 60bd3e039aa2 ("PCI: endpoint: pci-epf-{mhi/test}: Move DMA
initialization to EPC init callback").
Cc: stable@vger.kernel.org
Fixes: 0faa0fe6f90e ("nvmet: New NVMe PCI endpoint function target driver")
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
The subsysnqn field in the nvmet controller structure is redundant,
since the subsystem NQN can always be accessed via the controller's
subsystem reference. Remove this field to save memory and avoid
unnecessary duplication.
Signed-off-by: Max Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull cred guard updates from Christian Brauner:
"This contains substantial credential infrastructure improvements
adding guard-based credential management that simplifies code and
eliminates manual reference counting in many subsystems.
Features:
- Kernel Credential Guards
Add with_kernel_creds() and scoped_with_kernel_creds() guards that
allow using the kernel credentials without allocating and copying
them. This was requested by Linus after seeing repeated
prepare_kernel_creds() calls that duplicate the kernel credentials
only to drop them again later.
The new guards completely avoid the allocation and never expose the
temporary variable to hold the kernel credentials anywhere in
callers.
- Generic Credential Guards
Add scoped_with_creds() guards for the common override_creds() and
revert_creds() pattern. This builds on earlier work that made
override_creds()/revert_creds() completely reference count free.
- Prepare Credential Guards
Add prepare credential guards for the more complex pattern of
preparing a new set of credentials and overriding the current
credentials with them:
- prepare_creds()
- modify new creds
- override_creds()
- revert_creds()
- put_cred()
Cleanups:
- Make init_cred static since it should not be directly accessed
- Add kernel_cred() helper to properly access the kernel credentials
- Fix scoped_class() macro that was introduced two cycles ago
- coredump: split out do_coredump() from vfs_coredump() for cleaner
credential handling
- coredump: move revert_cred() before coredump_cleanup()
- coredump: mark struct mm_struct as const
- coredump: pass struct linux_binfmt as const
- sev-dev: use guard for path"
* tag 'kernel-6.19-rc1.cred' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (36 commits)
trace: use override credential guard
trace: use prepare credential guard
coredump: use override credential guard
coredump: use prepare credential guard
coredump: split out do_coredump() from vfs_coredump()
coredump: mark struct mm_struct as const
coredump: pass struct linux_binfmt as const
coredump: move revert_cred() before coredump_cleanup()
sev-dev: use override credential guards
sev-dev: use prepare credential guard
sev-dev: use guard for path
cred: add prepare credential guard
net/dns_resolver: use credential guards in dns_query()
cgroup: use credential guards in cgroup_attach_permissions()
act: use credential guards in acct_write_process()
smb: use credential guards in cifs_get_spnego_key()
nfs: use credential guards in nfs_idmap_get_key()
nfs: use credential guards in nfs_local_call_write()
nfs: use credential guards in nfs_local_call_read()
erofs: use credential guards
...
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Add VID 13d3 & PID 3533 for Realtek RTL8821CE USB Bluetooth chip.
The information in /sys/kernel/debug/usb/devices about the Bluetooth
device is listed as the below.
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=13d3 ProdID=3533 Rev= 1.10
S: Manufacturer=Realtek
S: Product=Bluetooth Radio
S: SerialNumber=00e04c000001
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=500mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
Signed-off-by: Gongwei Li <ligongwei@kylinos.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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This adds support for emulating LL Extended Feature Set introduced in 6.0
that adds the following:
Commands:
- HCI_LE_Read_All_Local_Supported_Features(0x2087)(Feature:47,1)
- HCI_LE_Read_All_Remote_Features(0x2088)(Feature:47,2)
Events:
- HCI_LE_Read_All_Remote_Features_Complete(0x2b)(Mask bit:42)
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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