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Mohsin Bashir says:
====================
eth: fbnic: Update fbnic driver
This patchset makes following trivial changes to the fbnic driver:
1) Add coverage for PCIe CSRs in the ethtool register dump.
2) Consolidate the PUL_USER CSR section, update the end boundary,
and remove redundant definition of the end boundary.
3) Update the return value in kdoc for fbnic_netdev_alloc().
====================
Link: https://patch.msgid.link/20250221201813.2688052-1-mohsin.bashr@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Fix return value in kdoc for fbnic_netdev_alloc()
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Move PUL_USER CSRs in the relevant section, update the end boundary
address, and remove the redundant definition of end boundary.
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Provide coverage to PCIe registers in ethtool register dump
Signed-off-by: Mohsin Bashir <mohsin.bashr@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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params->total_weight is not initialized during bind and not updated when
the bound cdev changes. The cooling device weight will not be used due
to the uninitialized total_weight, until an update via sysfs is
triggered.
The bound cdevs are updated during thermal zone registration, where each
cooling device will be bound to the thermal zone one by one, but
power_allocator_bind() can be called without an additional cdev update
when manually changing the policy of a thermal zone via sysfs.
Add a new function to handle weight update logic, including updating
total_weight, and call it when bind, weight changes, and cdev updates to
ensure total_weight is always correct.
Fixes: a3cd6db4cc2e ("thermal: gov_power_allocator: Support new update callback of weights")
Signed-off-by: Yu-Che Cheng <giver@chromium.org>
Link: https://patch.msgid.link/20250222-fix-power-allocator-weight-v2-1-a94de86b685a@chromium.org
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Since thermal_of_should_bind() terminates the loop after processing
the first child found in cooling-maps, it will never match more than
one cdev to a given trip point which is incorrect, as there may be
cooling-maps associating one trip point with multiple cooling devices.
Address this by letting the loop continue until either all
children have been processed or a matching one has been found.
To avoid adding conditionals or goto statements, put the loop in
question into a separate function and make that function return
right away after finding a matching cooling-maps entry.
Fixes: 94c6110b0b13 ("thermal/of: Use the .should_bind() thermal zone callback")
Link: https://lore.kernel.org/linux-pm/20250219-fix-thermal-of-v1-1-de36e7a590c4@chromium.org/
Reported-by: Yu-Che Cheng <giver@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Yu-Che Cheng <giver@chromium.org>
Tested-by: Yu-Che Cheng <giver@chromium.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Tested-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://patch.msgid.link/2788228.mvXUDI8C0e@rjwysocki.net
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Combine 'else' and 'if' conditional statements onto a single line and drop
unrequired braces, as is standard coding style.
The code had been like this since commit c3b0e880bbfa ("iomap: support
REQ_OP_ZONE_APPEND").
Signed-off-by: John Garry <john.g.garry@oracle.com>
Link: https://lore.kernel.org/r/20250224154538.548028-1-john.g.garry@oracle.com
Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
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This patch is a starting point for moving phylib-internal
declarations to a private header file.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/082eacd2-a888-4716-8797-b3491ce02820@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Matthieu Baerts says:
====================
mptcp: pm: misc cleanups, part 3
These cleanups lead the way to the unification of the path-manager
interfaces, and allow future extensions. The following patches are not
all linked to each others, but are all related to the path-managers,
except the last three.
- Patch 1: remove unused returned value in mptcp_nl_set_flags().
- Patch 2: new flag: avoid iterating over all connections if not needed.
- Patch 3: add a build check making sure there is enough space in cb-ctx.
- Patch 4: new mptcp_pm_genl_fill_addr helper to reduce duplicated code.
- Patch 5: simplify userspace_pm_append_new_local_addr helper.
- Patch 6: drop unneeded inet6_sk().
- Patch 7: use ipv6_addr_equal() instead of !ipv6_addr_cmp()
- Patch 8: scheduler: split an interface in two.
- Patch 9: scheduler: save 64 bytes of currently unused data.
- Patch 10: small optimisation to exit early in case of retransmissions.
====================
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-0-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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A small cleanup, reordering the conditions to avoid checking things
twice.
The code here is called in case of timeout on a TCP connection, before
triggering a retransmission. But it only acts on SYN + MPC packets.
So the conditions can be re-order to exit early in case of non-MPTCP
SYN + MPC. This also reduce the indentation levels.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-10-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Thanks for the previous commit ("mptcp: sched: split get_subflow
interface into two"), the mptcp_sched_data structure is now currently
unused.
This structure has been added to allow future extensions that are not
ready yet. At the end, this structure will not even be used at all when
mptcp_subflow bpf_iter will be supported [1].
Here is a first step to save 64 bytes on the stack for each scheduling
operation. The structure is not removed yet not to break the WIP work on
these extensions, but will be done when [1] will be ready and applied.
Link: https://lore.kernel.org/6645ad6e-8874-44c5-8730-854c30673218@linux.dev [1]
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-9-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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get_retrans() interface of the burst packet scheduler invokes a sleeping
function mptcp_pm_subflow_chk_stale(), which calls __lock_sock_fast().
So get_retrans() interface should be set with BPF_F_SLEEPABLE flag in
BPF. But get_send() interface of this scheduler can't be set with
BPF_F_SLEEPABLE flag since it's invoked in ack_update_msk() under mptcp
data lock.
So this patch has to split get_subflow() interface of packet scheduer into
two interfaces: get_send() and get_retrans(). Then we can set get_retrans()
interface alone with BPF_F_SLEEPABLE flag.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-8-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use ipv6_addr_equal() to check whether two IPv6 addresses are equal in
mptcp_addresses_equal().
This is more appropriate than using !ipv6_addr_cmp().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-7-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In mptcp_event_add_subflow(), mptcp_event_pm_listener() and
mptcp_nl_find_ssk(), 'issk' has already been got through inet_sk().
No need to use inet6_sk() to get 'ipv6_pinfo' again, just use
issk->pinet6 instead. This patch also drops these 'ipv6_pinfo'
variables.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-6-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The variable 'match' in mptcp_userspace_pm_append_new_local_addr() is a
redundant one, and this patch drops it.
No need to define 'match' as 'struct mptcp_pm_addr_entry *' type. In this
function, it's only used to check whether it's NULL. It can be defined as
a Boolean one.
Also other variables 'addr_match' and 'id_match' make 'match' a redundant
one, which can be replaced by directly checking 'addr_match && id_match'.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-5-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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To save some redundant code in dump_addr() interfaces of both the
netlink PM and userspace PM, the code that calls netlink message
helpers (genlmsg_put/cancel/end) and mptcp_nl_fill_addr() is wrapped
into a new helper mptcp_pm_genl_fill_addr().
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-4-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch adds a build check for mptcp_userspace_pm_dump_addr() to make
sure there is enough space in 'cb->ctx' to store an address id bitmap.
Just in case info stored in 'cb->ctx' are increased later.
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-3-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If an endpoint doesn't have the 'subflow' flag -- in fact, has no type,
so not 'subflow', 'signal', nor 'implicit' -- there are then no subflows
created from this local endpoint to at least the initial destination
address. In this case, no need to call mptcp_pm_nl_fullmesh() which is
there to recreate the subflows to reflect the new value of the fullmesh
attribute.
Similarly, there is then no need to iterate over all connections to do
nothing, if only the 'fullmesh' flag has been changed, and the endpoint
doesn't have the 'subflow' one. So stop early when dealing with this
specific case.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-2-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The returned value is not used, it can then be dropped.
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250221-net-next-mptcp-pm-misc-cleanup-3-v1-1-2b70ab1cee79@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use secs_to_jiffies() and simplify the code.
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Link: https://patch.msgid.link/20250221085350.198024-3-thorsten.blum@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tariq Toukan says:
====================
net/mlx5e: Move IPSec policy check after decryption
This series by Jianbo adds IPsec policy check after decryption.
In current mlx5 driver, the policy check is done before decryption for
IPSec crypto and packet offload. This series changes that order to
make it consistent with the processing in kernel xfrm. Besides, RX
state with UPSPEC selector is supported correctly after new steering
table is added after decryption and before the policy check.
====================
Link: https://patch.msgid.link/20250220213959.504304-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Previously, the upper layer matches are added for the decryption rule
when xfrm selector's UPSPEC is specified in the command. However, it's
impossible as packets are not decrypted, and there is no way to do
match on the upper protocol (TCP/UDP) with specific source/destination
port. The result is that packets are not decrypted by hardware because
of this mismatch. Instead, they are forwarded to kernel, and
decryption is done by software.
To resolve this issue, this patch adds new table (sa_sel) after status
table and before policy table. When UPSPEC's proto is specified in
xfrm state's selector, a rule is added in status table to forward the
decrypted packets to sa_sel table, where the corresponding rule for
selector's UPSPEC is added, and packet's upper headers are checked
there. If matched, they will be forward to policy table to do policy
check. Otherwise, they are dropped immediately.
Besides, add a global count for this kind of packet drop.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-9-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This flow group is added for the pass rules for both crypto offload
and packet offload. It is placed at the end of the table, and right
before the miss group. There are two entries, and the default pass
rules for both offloads are added in this group.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-8-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add parameter for ipsec_ft_create() to pass the number of the reserved
entries when creating auto-grouped flow table. It's used to create
table with pre-defined group(s) which may have more than one rule.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-7-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For crypto offload, there is no xfrm policy rule offloaded to
hardware, so no need to continue with policy check for it.
Previously, for crypto offload, the hardware metadata reg c4 is not
used and not changed, but set to ASO_OK(0) before decryption to avoid
garbage data. Then a default rule is added to check ipsec_syndrome and
this register. Packets are forwarded to policy table if succeed, or
drop if fails.
According to hardware document, this register value could be 0, 1.
So a special value (0xAA), which is not used by hardware, is chosen as
an indication for crypto offload. It is set to c4 before decryption.
Then a default rule, which matches on 0xAA (and ipsec_syndrome on 0),
is added, which means packets are done by crypto offload, and
sends them to kernel directly, thus skips the policy check.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-6-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently, xfrm policy check is done before decryption in mlx5 driver.
If matching any policy, packets are forwarded to xfrm state table for
decryption. But this is exact opposite to what software does. For
kernel implementation, xfrm decode is unconditionally activated
whenever an IPSec packet reaches the input flow if there’s a matching
state rule.
This patch changes the order, move policy check after decryption.
Besides, a miss flow table is added at the end for legacy mode, to
make it easier to update the default destination of the steering rules.
So ESP packets are firstly forwarded to SA table for decryption, then
the result is checked in status table. If the decryption succeeds,
packets are forwarded to another table to check xfrm policy rules.
When a policy with allow action is matched, if in legacy mode packets
are forwarded to miss flow table with one rule to forward them to RoCE
tables, if in switchdev mode they are forwarded directly to TC root
chain instead.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-5-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In commit dddb49b63d86 ("net/mlx5e: Add IPsec and ASO syndromes check
in HW"), IPSec and ASO syndromes checks after decryption for the
specified ASO object were added. But they are correct only for eswith
in legacy mode. For switchdev mode, metadata register c1 is used to
save the mapped id (not ASO object id). So, need to change the match
accordingly for the check rules in status table.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-4-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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For eswitch in legacy mode, the packets decrypted in RX SA table will
continue to be processed for RoCE. But this is not necessary for the
un-decrypted packets, which don't match any decryption rules but hit
the miss rule at the end of the table. So, change the destination of
miss rule to TTC default one and skip RoCE.
For eswitch in switchdev mode, the destination is unchanged.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-3-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The default destination of IPSec steering rules for MPV mode will be
updated when the master device is brought up or down. Move the common
code into the helper function. It’s convenient to update destinations
in later patches.
Signed-off-by: Jianbo Liu <jianbol@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Patrisious Haddad <phaddad@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20250220213959.504304-2-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since device MAC types are constantly being added, the judgments of
wx->mac.type are complex. Try to convert the types to flags depending
on functions.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20250221065718.197544-2-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There is a new 40/25/10 Gigabit Ethernet device.
To support basic functions, PHYLINK is temporarily skipped as it is
intended to implement these configurations in the firmware. And the
associated link IRQ is also skipped.
And Implement the new SW-FW interaction interface, which use 64 Byte
message buffer.
Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Link: https://patch.msgid.link/20250221065718.197544-1-jiawenwu@trustnetic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove the unnecessary bool conversion and simplify the code.
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://patch.msgid.link/20250223233613.100518-2-thorsten.blum@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
- A fix for cacheinfo DT probing to avoid reading non-boolean
properties as booleans.
- A fix for cpufeature to use bitmap_equal() instead of memcmp(), so
unused bits are ignored.
- Fixes for cmpxchg and futex cmpxchg that properly encode the sign
extension requirements on inline asm, which results in spurious
successes. This manifests in at least inode_set_ctime_current, but is
likely just a disaster waiting to happen.
- A fix for the rseq selftests, which was using an invalid constraint.
- A pair of fixes for signal frame size handling:
- We were reserving space for an extra empty extension context
header on systems with extended signal context, thus resulting in
unnecessarily large allocations.
- We weren't properly checking for available extensions before
calculating the signal stack size, which resulted in undersized
stack allocations on some systems (at least those with T-Head
custom vectors).
Also, we've added Alex as a reviewer. He's been helping out a ton
lately, thanks!
* tag 'riscv-for-linus-6.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
MAINTAINERS: Add myself as a riscv reviewer
riscv: signal: fix signal_minsigstksz
riscv: signal: fix signal frame size
rseq/selftests: Fix riscv rseq_offset_deref_addv inline asm
riscv/futex: sign extend compare value in atomic cmpxchg
riscv/atomic: Do proper sign extension also for unsigned in arch_cmpxchg
riscv: cpufeature: use bitmap_equal() instead of memcmp()
riscv: cacheinfo: Use of_property_present() for non-boolean properties
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mikulas Patocka:
- dm-vdo: add missing spin_lock_init
- dm-integrity: divide-by-zero fix
- dm-integrity: do not report unused entries in the table line
* tag 'for-6.14/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm vdo: add missing spin_lock_init
dm-integrity: Do not emit journal configuration in DM table for Inline mode
dm-integrity: Avoid divide by zero in table status in Inline mode
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Fix a shadow variable warning in net/core/dev.c when compiled with
CONFIG_LOCKDEP enabled. The warning occurs because 'dev' is redeclared
inside the while loop, shadowing the outer scope declaration.
net/core/dev.c:11211:22: warning: declaration shadows a local variable [-Wshadow]
struct net_device *dev = list_first_entry(&unlink_list,
net/core/dev.c:11202:21: note: previous declaration is here
struct net_device *dev, *tmp;
Remove the redundant declaration since the variable is already defined
in the outer scope and will be overwritten in the subsequent
list_for_each_entry_safe() loop anyway.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250221-netcons_fix_shadow-v1-1-dee20c8658dd@debian.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Russell King says:
====================
net: stmmac: thead: clean up clock rate setting
This series cleans up the thead clock rate setting to use the
rgmii_clock() helper function added to phylib.
The first patch switches over to using the rgmii_clock() helper,
and the second patch cleans up the verification that the desired
clock rate is achievable, allowing the private clock rate
definitions to be removed.
====================
Tested-by: Drew Fustini <drew@pdp7.com>
Link: https://patch.msgid.link/Z7iKdaCp4hLWWgJ2@shell.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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thead was checking that the stmmac_clk rate was a multiple of the
RGMII rates for 1G and 100M, but didn't check for 10M. Rather than
use this with hard-coded speeds, check that the calculated divisor
gives the required rate by multplying the transmit clock rate back
up to the stmmac clock rate and checking that it agrees.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Drew Fustini <drew@pdp7.com>
Link: https://patch.msgid.link/E1tlToD-004W3g-HB@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Switch to using rgmii_clock() to get the RGMII TXC rate, and calculate
the divisor from the parent clock rate and the rate indicated by
rgmii_clock().
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Drew Fustini <drew@pdp7.com>
Link: https://patch.msgid.link/E1tlTo8-004W3a-CO@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Nicolas Dichtel says:
====================
net: remove skb_flow_get_ports()
Remove skb_flow_get_ports() and rename __skb_flow_get_ports() to
skb_flow_get_ports().
====================
Link: https://patch.msgid.link/20250221110941.2041629-1-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Only one version of skb_flow_get_ports() exists after the previous commit,
so let's remove the useless '__'.
Suggested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://patch.msgid.link/20250221110941.2041629-3-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since commit a815bde56b15 ("net, bonding: Refactor bond_xmit_hash for use
with xdp_buff"), this function is not used anymore.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250221110941.2041629-2-nicolas.dichtel@6wind.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The maximum numbers of each Rx and Tx queues are defined by
MTL_MAX_RX_QUEUES and MTL_MAX_TX_QUEUES respectively.
There are some places where Rx and Tx are used in reverse. There is no
issue when the Tx and Rx macros have the same value, but should correct
usage of macros for maximum queue number to keep consistency and prevent
unexpected mistakes.
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://patch.msgid.link/20250221051818.4163678-1-hayashi.kunihiko@socionext.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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modprobe dummy dumdummies=1
Old behavior :
$ cat /sys/class/net/dummy0/carrier
cat: /sys/class/net/dummy0/carrier: Invalid argument
After blamed commit, an empty string is reported.
$ cat /sys/class/net/dummy0/carrier
$
In this commit, I restore the old behavior for carrier,
speed and duplex attributes.
Fixes: 79c61899b5ee ("net-sysfs: remove rtnl_trylock from device attributes")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Marco Leogrande <leogrande@google.com>
Reviewed-by: Antoine Tenart <atenart@kernel.org>
Link: https://patch.msgid.link/20250221051223.576726-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Test XDP and HDS interaction. While at it add a test for using the IOCTL,
as that turned out to be the real culprit.
Testing bnxt:
# NETIF=eth0 ./ksft-net-drv/drivers/net/hds.py
KTAP version 1
1..12
ok 1 hds.get_hds
ok 2 hds.get_hds_thresh
ok 3 hds.set_hds_disable # SKIP disabling of HDS not supported by the device
ok 4 hds.set_hds_enable
ok 5 hds.set_hds_thresh_zero
ok 6 hds.set_hds_thresh_max
ok 7 hds.set_hds_thresh_gt
ok 8 hds.set_xdp
ok 9 hds.enabled_set_xdp
ok 10 hds.ioctl
ok 11 hds.ioctl_set_xdp
ok 12 hds.ioctl_enabled_set_xdp
# Totals: pass:11 fail:0 xfail:0 xpass:0 skip:1 error:0
and netdevsim:
# ./ksft-net-drv/drivers/net/hds.py
KTAP version 1
1..12
ok 1 hds.get_hds
ok 2 hds.get_hds_thresh
ok 3 hds.set_hds_disable
ok 4 hds.set_hds_enable
ok 5 hds.set_hds_thresh_zero
ok 6 hds.set_hds_thresh_max
ok 7 hds.set_hds_thresh_gt
ok 8 hds.set_xdp
ok 9 hds.enabled_set_xdp
ok 10 hds.ioctl
ok 11 hds.ioctl_set_xdp
ok 12 hds.ioctl_enabled_set_xdp
# Totals: pass:12 fail:0 xfail:0 xpass:0 skip:0 error:0
Netdevsim needs a sane default for tx/rx ring size.
ethtool 6.11 is needed for the --disable-netlink option.
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Tested-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250221025141.1132944-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The legacy ioctl path does not have support for extended attributes.
So we issue a GET to fetch the current settings from the driver,
in an attempt to keep them unchanged. HDS is a bit "special" as
the GET only returns on/off while the SET takes a "ternary" argument
(on/off/default). If the driver was in the "default" setting -
executing the ioctl path binds it to on or off, even tho the user
did not intend to change HDS config.
Factor the relevant logic out of the netlink code and reuse it.
Fixes: 87c8f8496a05 ("bnxt_en: add support for tcp-data-split ethtool command")
Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Tested-by: Daniel Xu <dxu@dxuuu.xyz>
Tested-by: Taehee Yoo <ap420073@gmail.com>
Link: https://patch.msgid.link/20250221025141.1132944-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The link clock operates at twice the RGMII clock rate. Therefore, we
can use the rgmii_clock() helper to set this clock rate.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/E1tlRMK-004Vsx-Ss@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently we treat EFAULT from hmm_range_fault() as a non-fatal error
when called from xe_vm_userptr_pin() with the idea that we want to avoid
killing the entire vm and chucking an error, under the assumption that
the user just did an unmap or something, and has no intention of
actually touching that memory from the GPU. At this point we have
already zapped the PTEs so any access should generate a page fault, and
if the pin fails there also it will then become fatal.
However it looks like it's possible for the userptr vma to still be on
the rebind list in preempt_rebind_work_func(), if we had to retry the
pin again due to something happening in the caller before we did the
rebind step, but in the meantime needing to re-validate the userptr and
this time hitting the EFAULT.
This explains an internal user report of hitting:
[ 191.738349] WARNING: CPU: 1 PID: 157 at drivers/gpu/drm/xe/xe_res_cursor.h:158 xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738551] Workqueue: xe-ordered-wq preempt_rebind_work_func [xe]
[ 191.738616] RIP: 0010:xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738690] Call Trace:
[ 191.738692] <TASK>
[ 191.738694] ? show_regs+0x69/0x80
[ 191.738698] ? __warn+0x93/0x1a0
[ 191.738703] ? xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738759] ? report_bug+0x18f/0x1a0
[ 191.738764] ? handle_bug+0x63/0xa0
[ 191.738767] ? exc_invalid_op+0x19/0x70
[ 191.738770] ? asm_exc_invalid_op+0x1b/0x20
[ 191.738777] ? xe_pt_stage_bind.constprop.0+0x60a/0x6b0 [xe]
[ 191.738834] ? ret_from_fork_asm+0x1a/0x30
[ 191.738849] bind_op_prepare+0x105/0x7b0 [xe]
[ 191.738906] ? dma_resv_reserve_fences+0x301/0x380
[ 191.738912] xe_pt_update_ops_prepare+0x28c/0x4b0 [xe]
[ 191.738966] ? kmemleak_alloc+0x4b/0x80
[ 191.738973] ops_execute+0x188/0x9d0 [xe]
[ 191.739036] xe_vm_rebind+0x4ce/0x5a0 [xe]
[ 191.739098] ? trace_hardirqs_on+0x4d/0x60
[ 191.739112] preempt_rebind_work_func+0x76f/0xd00 [xe]
Followed by NPD, when running some workload, since the sg was never
actually populated but the vma is still marked for rebind when it should
be skipped for this special EFAULT case. This is confirmed to fix the
user report.
v2 (MattB):
- Move earlier.
v3 (MattB):
- Update the commit message to make it clear that this indeed fixes the
issue.
Fixes: 521db22a1d70 ("drm/xe: Invalidate userptr VMA on page pin fault")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.10+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221143840.167150-5-matthew.auld@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 6b93cb98910c826c2e2004942f8b060311e43618)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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On error restore anything still on the pin_list back to the invalidation
list on error. For the actual pin, so long as the vma is tracked on
either list it should get picked up on the next pin, however it looks
possible for the vma to get nuked but still be present on this per vm
pin_list leading to corruption. An alternative might be then to instead
just remove the link when destroying the vma.
v2:
- Also add some asserts.
- Keep the overzealous locking so that we are consistent with the docs;
updating the docs and related bits will be done as a follow up.
Fixes: ed2bdf3b264d ("drm/xe/vm: Subclass userptr vmas")
Suggested-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: <stable@vger.kernel.org> # v6.8+
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250221143840.167150-4-matthew.auld@intel.com
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 4e37e928928b730de9aa9a2f5dc853feeebc1742)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Marek has graciously offered to maintain the dma-mapping tree.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Joel will go back to maintain configfs alone on a time permitting basis.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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