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Error recovery, PCIe AER, resume, and TX timeout will invoke bnxt_open()
with netdev_lock only. This will cause RTNL assert failure in
netif_set_real_num_tx_queues(), netif_set_real_num_tx_queues(),
and netif_set_real_num_tx_queues().
Example error recovery assert:
RTNL: assertion failed at net/core/dev.c (3178)
WARNING: CPU: 3 PID: 3392 at net/core/dev.c:3178 netif_set_real_num_tx_queues+0x1fd/0x210
Call Trace:
<TASK>
? __pfx_bnxt_msix+0x10/0x10 [bnxt_en]
__bnxt_open_nic+0x1ef/0xb20 [bnxt_en]
bnxt_open+0xda/0x130 [bnxt_en]
bnxt_fw_reset_task+0x21f/0x780 [bnxt_en]
process_scheduled_works+0x9d/0x400
For now, bring back rtnl_lock() in all these code paths that can invoke
bnxt_open(). In the bnxt_queue_start() error path, we don't have
rtnl_lock held so we just change it to call netif_close() instead of
bnxt_reset_task() for simplicity. This error path is unlikely so it
should be fine.
Fixes: 004b5008016a ("eth: bnxt: remove most dependencies on RTNL")
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://patch.msgid.link/20250514062908.2766677-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The driver only offloads neighbors that are constructed on top of net
devices registered by it or their uppers (which are all Ethernet). The
device supports GRE encapsulation and decapsulation of forwarded
traffic, but the driver will not offload dummy neighbors constructed on
top of GRE net devices as they are not uppers of its net devices:
# ip link add name gre1 up type gre tos inherit local 192.0.2.1 remote 198.51.100.1
# ip neigh add 0.0.0.0 lladdr 0.0.0.0 nud noarp dev gre1
$ ip neigh show dev gre1 nud noarp
0.0.0.0 lladdr 0.0.0.0 NOARP
(Note that the neighbor is not marked with 'offload')
When the driver is reloaded and the existing configuration is replayed,
the driver does not perform the same check regarding existing neighbors
and offloads the previously added one:
# devlink dev reload pci/0000:01:00.0
$ ip neigh show dev gre1 nud noarp
0.0.0.0 lladdr 0.0.0.0 offload NOARP
If the neighbor is later deleted, the driver will ignore the
notification (given the GRE net device is not its upper) and will
therefore keep referencing freed memory, resulting in a use-after-free
[1] when the net device is deleted:
# ip neigh del 0.0.0.0 lladdr 0.0.0.0 dev gre1
# ip link del dev gre1
Fix by skipping neighbor replay if the net device for which the replay
is performed is not our upper.
[1]
BUG: KASAN: slab-use-after-free in mlxsw_sp_neigh_entry_update+0x1ea/0x200
Read of size 8 at addr ffff888155b0e420 by task ip/2282
[...]
Call Trace:
<TASK>
dump_stack_lvl+0x6f/0xa0
print_address_description.constprop.0+0x6f/0x350
print_report+0x108/0x205
kasan_report+0xdf/0x110
mlxsw_sp_neigh_entry_update+0x1ea/0x200
mlxsw_sp_router_rif_gone_sync+0x2a8/0x440
mlxsw_sp_rif_destroy+0x1e9/0x750
mlxsw_sp_netdevice_ipip_ol_event+0x3c9/0xdc0
mlxsw_sp_router_netdevice_event+0x3ac/0x15e0
notifier_call_chain+0xca/0x150
call_netdevice_notifiers_info+0x7f/0x100
unregister_netdevice_many_notify+0xc8c/0x1d90
rtnl_dellink+0x34e/0xa50
rtnetlink_rcv_msg+0x6fb/0xb70
netlink_rcv_skb+0x131/0x360
netlink_unicast+0x426/0x710
netlink_sendmsg+0x75a/0xc20
__sock_sendmsg+0xc1/0x150
____sys_sendmsg+0x5aa/0x7b0
___sys_sendmsg+0xfc/0x180
__sys_sendmsg+0x121/0x1b0
do_syscall_64+0xbb/0x1d0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Fixes: 8fdb09a7674c ("mlxsw: spectrum_router: Replay neighbours when RIF is made")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/c53c02c904fde32dad484657be3b1477884e9ad6.1747225701.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When starting the local sync timer to synchronize the state of a remote
CPU it should be added on the CPU to be synchronized, not the initiating
CPU. This results in interrupt delivery being delayed until the timer
eventually runs (due to another mask/unmask/migrate operation) on the
target CPU.
Fixes: 0f67911e821c ("irqchip/riscv-imsic: Separate next and previous pointers in IMSIC vector")
Signed-off-by: Andrew Bresticker <abrestic@rivosinc.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/all/20250514171320.3494917-1-abrestic@rivosinc.com
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The newly added GRF types introduced kzalloc usage into the rk3528.
At least for the similar rk3576 driver, the kernel-test-robot reported the
missing prototype, which warranted adding a slab.h include.
While it did not complain about the rk3528, so the header might be included
"accidentially" right now, add a real include to make sure we keep it
included in the future.
Fixes: 306d2f5ddaa7 ("clk: rockchip: rk3528: Add SD/SDIO tuning clocks in GRF region")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250515082652.2503063-2-heiko@sntech.de
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The change for auxiliary GRFs introduced kzalloc usage into the rk3576 clock
driver, but missed adding the header for its prototype. Add it now.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202505150941.KWKskr2c-lkp@intel.com/
Fixes: 70a114daf207 ("clk: rockchip: introduce auxiliary GRFs")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250515082652.2503063-1-heiko@sntech.de
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Enabling the compile test should not cause automatic enabling of all
drivers.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20250404-kconfig-defaults-clk-v1-1-4d2df5603332@linaro.org
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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SPICC is missing fclk_div2, which means fclk_div5 and fclk_div7 indexes
are wrong on this clock. This causes the spicc module to output sclk at
2.5x the expected rate when clock index 3 is picked.
Adding the missing fclk_div2 resolves this.
[jbrunet: amended commit description]
Fixes: a18c8e0b7697 ("clk: meson: g12a: add support for the SPICC SCLK Source clocks")
Cc: stable@vger.kernel.org # 6.1
Signed-off-by: Da Xue <da@libre.computer>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20250512142617.2175291-1-da@libre.computer
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
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https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Miri Korenblit says:
====================
iwlwifi features, notably a rework of the transport configuration
====================
Link: https://patch.msgid.link/MW5PR11MB5810DD2655DE461E98A618DDA390A@MW5PR11MB5810.namprd11.prod.outlook.com/
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the 'buf' array received from the user contains an empty string, the
'length' variable will be zero. Accessing the 'buf' array element with
index 'length - 1' will result in a buffer overflow.
Add a check for an empty string.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: e8a60aa7404b ("platform/x86: Introduce support for Systems Management Driver over WMI for Dell Systems")
Cc: stable@vger.kernel.org
Signed-off-by: Vladimir Moskovkin <Vladimir.Moskovkin@kaspersky.com>
Link: https://lore.kernel.org/r/39973642a4f24295b4a8fad9109c5b08@kaspersky.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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ISP device specific configuration is not available in ACPI. Add
swnode graph to configure the missing device properties for the
OV05C10 camera device supported on amdisp platform.
Add support to create i2c-client dynamically when amdisp i2c
adapter is available.
Co-developed-by: Benjamin Chan <benjamin.chan@amd.com>
Signed-off-by: Benjamin Chan <benjamin.chan@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Armin Wolf <W_Armin@gmx.de>
Signed-off-by: Pratap Nirujogi <pratap.nirujogi@amd.com>
Link: https://lore.kernel.org/r/20250514215623.522746-1-pratap.nirujogi@amd.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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For domains with agents to control cores (compute dies) show matching
Linux CPU die ID. Linux CPU ID is a logical die ID, so this may not match
physical die ID or domain_id. So, a mapping is required to get Linux CPU
die ID. This attribute is only presented when CPUID enumerates die ids.
This attribute can be used by orchestration software like Kubernetes to
target specific dies for uncore frequency control.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250508230250.1186619-5-srinivas.pandruvada@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The die ID in the Linux topology sysfs is a logical identifier that
differs from the one presented in CPUID leaf 0x1F or via MSR 0x54.
Introduce an interface that returns the Linux CPU die ID based on a
given package ID and power domain ID. This mapping is stored during the
CPU online callback in an array.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20250508230250.1186619-4-srinivas.pandruvada@linux.intel.com
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Currently, users need detailed hardware information to understand the
scope of controls within each uncore domain. Uncore frequency controls
manage subsystems such as core, cache, memory, and I/O. The UFS TPMI
provides this information, which can be used to present the scope more
clearly.
Each uncore domain consists of one or more agent types, with each agent
type controlling one or more uncore hardware subsystems. For example, a
single agent might control both the core and cache.
Introduce a new attribute called "agent_types." This attribute displays
a list of agents, separated by space character.
The string representations for agent types are as follows:
For core agent: core
For cache agent: cache
For memory agent: memory
For I/O agent: io
These agent types are read during probe time for each cluster and stored
as part of the struct uncore_data.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20250508230250.1186619-2-srinivas.pandruvada@linux.intel.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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The S2110 has an additional set of media playback control keys enabled
by a hardware toggle button that switches the keys between "Application"
and "Player" modes. Toggling "Player" mode just shifts the scancode of
each hotkey up by 4.
Add defines for new scancodes, and a keymap and dmi id for the S2110.
Tested on a Fujitsu Lifebook S2110.
Signed-off-by: Valtteri Koskivuori <vkoskiv@gmail.com>
Acked-by: Jonathan Woithe <jwoithe@just42.net>
Link: https://lore.kernel.org/r/20250509184251.713003-1-vkoskiv@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
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Apart from netdev interface Octeontx2 PF does the following:
1. Sends its own requests to AF and receives responses from AF.
2. Receives async messages from AF.
3. Forwards VF requests to AF, sends respective responses from AF to VFs.
4. Sends async messages to VFs.
This patch adds new tracepoint otx2_msg_status to display the status
of PF wrt mailbox handling.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Link: https://patch.msgid.link/1747136408-30685-5-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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This patch adds pcifunc which represents PF and VF device to the
tracepoints otx2_msg_alloc, otx2_msg_send, otx2_msg_process so that
it is easier to correlate which device allocated the message, which
device forwarded it and which device processed that message.
Also add message id in otx2_msg_send tracepoint to check which
message is sent at any point of time from a device.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Link: https://patch.msgid.link/1747136408-30685-4-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Mailbox UP messages and CPT messages names are not being
displayed with their names in trace log files. Add those
messages too in otx2_mbox_id2name.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Link: https://patch.msgid.link/1747136408-30685-3-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Use tracepoint instead of dev_dbg since the entire
mailbox code uses tracepoints for debugging.
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Link: https://patch.msgid.link/1747136408-30685-2-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Depending on the data offset, skb_to_sgvec_nomark() may use
less scatterlist elements than what was forecasted by the
previous call to skb_cow_data().
It specifically happens when 'skbheadlen(skb) < offset', because
in this case we entirely skip the skb's head, which would have
required its own scatterlist element.
For this reason, it doesn't make sense to check that
skb_to_sgvec_nomark() returns the same value as skb_cow_data(),
but we can rather check for errors only, as it happens in
other parts of the kernel.
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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When debugging a 'no route to host' error it can be beneficial
to know the address of the unreachable destination.
Print it along the debugging text.
While at it, add a missing parenthesis in a different debugging
message inside ovpn_peer_endpoints_update().
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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The keepalive worker is cancelled before calling
unregister_netdevice_queue(), therefore it will never
hit a situation where the reg_state can be different
than NETDEV_REGISTERED.
For this reason, checking reg_state is useless and the
condition can be removed.
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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ndo_start_xmit is basically expected to always return NETDEV_TX_OK.
However, in case of error, it was currently returning NET_XMIT_DROP,
which is not a valid netdev_tx_t return value, leading to
misinterpretation.
Change ndo_start_xmit to always return NETDEV_TX_OK to signal back
to the caller that the packet was handled (even if dropped).
Effects of this bug can be seen when sending IPv6 packets having
no peer to forward them to:
$ ip netns exec ovpn-server oping -c20 fd00:abcd:220:201::1
PING fd00:abcd:220:201::1 (fd00:abcd:220:201::1) 56 bytes of data.00:abcd:220:201 :1
ping_send failed: No buffer space available
ping_sendto: No buffer space available
ping_send failed: No buffer space available
ping_sendto: No buffer space available
...
Fixes: c2d950c4672a ("ovpn: add basic interface creation/destruction/management routines")
Reported-by: Gert Doering <gert@greenie.muc.de>
Closes: https://github.com/OpenVPN/ovpn-net-next/issues/5
Tested-by: Gert Doering <gert@greenie.muc.de>
Acked-by: Gert Doering <gert@greenie.muc.de>
Link: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg31591.html
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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When routing a packet to a LAN behind a peer, ovpn needs to
inspect the route entry that brought the packet there in the
first place.
If this packet is truly routable, the route entry provides the
GW to be used when looking up the VPN peer to send the packet to.
However, the route entry is currently dropped before entering
the ovpn xmit function, because the IFF_XMIT_DST_RELEASE priv_flag
is enabled by default.
Clear the IFF_XMIT_DST_RELEASE flag during interface setup to allow
the route entry (skb's dst) to survive and thus be inspected
by the ovpn routing logic.
Fixes: a3aaef8cd173 ("ovpn: implement peer lookup logic")
Reported-by: Gert Doering <gert@greenie.muc.de>
Closes: https://github.com/OpenVPN/ovpn-net-next/issues/2
Tested-by: Gert Doering <gert@greenie.muc.de>
Acked-by: Gert Doering <gert@greenie.muc.de> # as a primary user
Link: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg31583.html
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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IPv6 user packets (sent over the tunnel) may be larger than
the outgoing interface MTU after encapsulation.
When this happens ovpn should allow the kernel to fragment
them because they are "locally generated".
To achieve the above, we must set skb->ignore_df = 1
so that ip6_fragment() can be made aware of this decision.
Failing to do so will result in ip6_fragment() dropping
the packet thinking it was "routed".
No change is required in the IPv4 path, because when
calling udp_tunnel_xmit_skb() we already pass the
'df' argument set to 0, therefore the resulting datagram
is allowed to be fragmented if need be.
Fixes: 08857b5ec5d9 ("ovpn: implement basic TX path (UDP)")
Reported-by: Gert Doering <gert@greenie.muc.de>
Closes: https://github.com/OpenVPN/ovpn-net-next/issues/3
Tested-by: Gert Doering <gert@greenie.muc.de>
Acked-by: Gert Doering <gert@greenie.muc.de> # as primary user
Link: https://mail-archive.com/openvpn-devel@lists.sourceforge.net/msg31577.html
Signed-off-by: Antonio Quartulli <antonio@openvpn.net>
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Add support to update the CMRT and control firmware as well as the UEFI
driver on fbnic using devlink dev flash.
Make sure the shutdown / quiescence paths like suspend take the devlink
lock to prevent them from interrupting the FW flashing process.
Signed-off-by: Lee Trager <lee@trager.us>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250512190109.2475614-6-lee@trager.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Add three new mailbox messages to support PLDM upgrades:
* FW_START_UPGRADE - Enables driver to request starting a firmware upgrade
by specifying the component to be upgraded and its
size.
* WRITE_CHUNK - Allows firmware to request driver to send a chunk of
data at the specified offset.
* FINISH_UPGRADE - Allows firmware to cancel the upgrade process and
return an error.
Signed-off-by: Lee Trager <lee@trager.us>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250512190109.2475614-5-lee@trager.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Extend fbnic mailbox to support multiple concurrent completion messages at
once. This enables fbnic to support running multiple operations at once
which depend on a response from firmware via the mailbox.
Signed-off-by: Lee Trager <lee@trager.us>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250512190109.2475614-4-lee@trager.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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fbnic supports applying firmware which may not be rolled back. This is
implemented in firmware however it is useful for the driver to know the
minimum supported firmware version. This will enable the driver validate
new firmware before it is sent to the NIC. If it is too old the driver can
provide a clear message that the version is too old.
Signed-off-by: Lee Trager <lee@trager.us>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250512190109.2475614-3-lee@trager.us
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit 157ae5ffd76a dmaengine: mediatek: Fix a possible deadlock error
in mtk_cqdma_tx_status() fixed locks but kept unused varibale leading to
warning and build failure (due to warning treated as errors)
drivers/dma/mediatek/mtk-cqdma.c: In function 'mtk_cqdma_find_active_desc':
drivers/dma/mediatek/mtk-cqdma.c:423:23: error: unused variable 'flags' [-Werror=unused-variable]
423 | unsigned long flags;
| ^~~~~
Fix by dropping this unused flag
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Fixes: 157ae5ffd76a ("dmaengine: mediatek: Fix a possible deadlock error in mtk_cqdma_tx_status()")
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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If ntuple filters count is modified followed by
unicast filters count using devlink then the ntuple count
set by user is ignored and all the ntuple filters are
being reallocated. Fix this by storing the ntuple count
set by user. Without this patch, say if user tries
to modify ntuple count as 8 followed by ucast filter count as 4
using devlink commands then ntuple count is being reverted to
default value 16 i.e, not retaining user set value 8.
Fixes: 39c469188b6d ("octeontx2-pf: Add ucast filter count configurability via devlink.")
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/1747054357-5850-1-git-send-email-sbhatta@marvell.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Enabling of the temperature sensor was moved from mv88q2xxx_hwmon_probe to
mv88q222x_config_init with the consequence that the sensor is only
usable when the PHY is configured. Enable the sensor in
mv88q2xxx_hwmon_probe as well to fix this.
Signed-off-by: Dimitri Fedrau <dima.fedrau@gmail.com>
Link: https://patch.msgid.link/20250512-marvell-88q2xxx-hwmon-enable-at-probe-v4-1-9256a5c8f603@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge series from Zhang Yi <zhangyi@everest-semi.com>:
The driver is for codec ES8389 of everest-semi.
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Ensure that the hdr_trans_tlv command is included in the broadcast wtbl to
prevent the IPv6 and multicast packet from being dropped by the chip.
Cc: stable@vger.kernel.org
Fixes: cb1353ef3473 ("wifi: mt76: mt7925: integrate *mlo_sta_cmd and *sta_cmd")
Reported-by: Benjamin Xiao <fossben@pm.me>
Tested-by: Niklas Schnelle <niks@kernel.org>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://lore.kernel.org/lkml/EmWnO5b-acRH1TXbGnkx41eJw654vmCR-8_xMBaPMwexCnfkvKCdlU5u19CGbaapJ3KRu-l3B-tSUhf8CCQwL0odjo6Cd5YG5lvNeB-vfdg=@pm.me/
Link: https://patch.msgid.link/20250509010421.403022-1-mingyen.hsieh@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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A warning on driver removal started occurring after commit 9dd05df8403b
("net: warn if NAPI instance wasn't shut down"). Disable tx napi before
deleting it in mt76_dma_cleanup().
WARNING: CPU: 4 PID: 18828 at net/core/dev.c:7288 __netif_napi_del_locked+0xf0/0x100
CPU: 4 UID: 0 PID: 18828 Comm: modprobe Not tainted 6.15.0-rc4 #4 PREEMPT(lazy)
Hardware name: ASUS System Product Name/PRIME X670E-PRO WIFI, BIOS 3035 09/05/2024
RIP: 0010:__netif_napi_del_locked+0xf0/0x100
Call Trace:
<TASK>
mt76_dma_cleanup+0x54/0x2f0 [mt76]
mt7921_pci_remove+0xd5/0x190 [mt7921e]
pci_device_remove+0x47/0xc0
device_release_driver_internal+0x19e/0x200
driver_detach+0x48/0x90
bus_remove_driver+0x6d/0xf0
pci_unregister_driver+0x2e/0xb0
__do_sys_delete_module.isra.0+0x197/0x2e0
do_syscall_64+0x7b/0x160
entry_SYSCALL_64_after_hwframe+0x76/0x7e
Tested with mt7921e but the same pattern can be actually applied to other
mt76 drivers calling mt76_dma_cleanup() during removal. Tx napi is enabled
in their *_dma_init() functions and only toggled off and on again inside
their suspend/resume/reset paths. So it should be okay to disable tx
napi in such a generic way.
Found by Linux Verification Center (linuxtesting.org).
Fixes: 2ac515a5d74f ("mt76: mt76x02: use napi polling for tx cleanup")
Cc: stable@vger.kernel.org
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Tested-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Link: https://patch.msgid.link/20250506115540.19045-1-pchelkin@ispras.ru
Signed-off-by: Felix Fietkau <nbd@nbd.name>
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Add support for internal DMA in Tegra234 devices. Tegra234 has an
internal DMA controller, while Tegra241 continues to use an external
DMA controller (GPCDMA). This patch adds support for both internal
and external DMA controllers.
Signed-off-by: Vishwaroop A <va@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20250513200043.608292-2-va@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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In the current code, if an ROC is started on a vif that already has an
active ROC we reject it and warn.
But really there is no such limitation. The actual limitation is to not
have 2 ROCs of the same type simultaneously.
Add a helper function to find a vif that has an active ROC of a given
type, and only if one exist - reject the ROC.
This allows also to remove bss_roc_vif.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.1f8c55198578.I17cb191596ed4e97a4854108f8ca5ca197662a62@changeid
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Various headers are required for these to build properly.
Include the needed files.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.956281013349.I4c537dffb82f5e5042e4a880cde3c6da38a56cbc@changeid
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Context info was introduced in 22000, and was significantly changed in
ax210. The new version of context info was called 'gen3',
probably because in 22000, the gen2 transport was added.
But this name is just wrong:
- if 'gen' enumerates transports, there was not a gen3 transport, just a
few modifications to gen1/2 transports needed for ax210.
- if 'gen' enumerates devices, then we can just use the device names.
Also, context info will soon become a lib, agnostic of the transport
generations.
Simply replace 'gen3' with 'v2'.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.a580bd8d4f74.Ie413a02233f1a5ad538e13071c09760b9d97be3b@changeid
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iwl_pcie_apply_destination is used in all generation.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.7eaf79a07226.I615cfd21001208b366c94a5fcb8e30a7d97f0ac2@changeid
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Map iwl_context_info to the matching struct in the FW.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.a7240935006e.I75e2e13421b5dac2c1bdbd01fdfd34c38f2d3d8c@changeid
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TFD_QUEUE_SIZE_MAX_GEN3 is not used, remove it.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.a0154cca6afb.Ifb4915e0acd51be6a75d33a8b96b3f7b0928b312@changeid
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As those are now the same, unify and adjust the documentation.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.b7ddfade8fec.I2bf97252c4bd751077ade204767eed02d815614d@changeid
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iwlagn_scd_bc_tbl is used for pre-ax210 devices,
and iwl_gen3_bc_tbl_entry is used for ax210 and on. But there is no
difference between the the 22000 version and the AX210+ one.
In order to unify the two, as first step make iwlagn_scd_bc_tbl an entry
as well, and adjust the code. In a later patch both structures will be
unified.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.645cd82ebf48.Iaa7e88179372d60ef31157e379737b5babe54012@changeid
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'GEN3' here really means 'AX210'. Rename.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.b7fb5b854ded.Ib52b84c6e36e312b2eeb84a3cf71c6185fb52ee7@changeid
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We have iwl_tx_cmd for devices older than 22000, iwl_tx_cmd_gen2 for
22000 devices, and iwl_tx_cmd_gen3 ax210 and up.
But the convention for all other APIs is to have the latest version
without any prefix and the older ones - with a _vX prefix,
where X is the highest version that this struct support.
The term 'gen' was introduced as the name of the (back then) new
transport, and should not be used as a device name (for that we have the
actual names: 22000, ax210, etc.)
Now as a new transport, called 'gen3', is going to be written and it can
be confused with this API.
Move iwl_tx_cmd to use the regular versioning convention.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250511195137.806e40c8f767.Ibc0e95e43a6fa6d47f72823bf804314d5db84618@changeid
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This version is not used on any device. Don't support it.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
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Add support and enable decoding of H264 High 10 and 4:2:2 profiles.
Decoded CAPTURE buffer width is aligned to 64 pixels to accommodate HW
requirement of 10-bit format buffers, fixes decoding of all the 4:2:2
and 10bit 4:2:2 flusters tests except two stream that present some
visual artifacts.
- Hi422FREXT17_SONY_A
- Hi422FREXT19_SONY_A
The get_image_fmt() ops is implemented to select an image format
required for the provided SPS control, and returns RKVDEC_IMG_FMT_ANY
for other controls.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Tested-by: Christopher Obbard <chris.obbard@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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Add support for a get_image_fmt() ops that returns the required image
format.
The CAPTURE format is reset when the required image format changes and
the buffer queue is not busy.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Tested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Jonas Karlman <jonas@kwiboo.se>
Co-developed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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Setting up the control handler calls into .s_ctrl ops. While validating
the controls the ops may need to access some of the context state, which
could lead to a crash if not properly initialized.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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Neither the hardware nor the kernel API support FMO/ASO features
required by the full baseline profile. Therefore limit the minimum
profile to the constrained baseline profile explicitly.
Suggested-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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