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Currently there are 2 files that contain the keyfields, keys,
actionfields and actions. First file is used by the kunit while the
second one is used by VCAP api.
The header file that is used by kunit is just a super set of the of the
header file used by VCAP api.
Therefore not to have duplicate information in different files which is
also harder to maintain, create a single file that is used both by API
and by kunit.
Signed-off-by: Horatiu Vultur <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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rhashtable_lookup_fast() returns NULL when failed instead of error
pointer.
Fixes: 396b80cb5cc8 ("net: marvell: prestera: Add neighbour cache accounting")
Fixes: 0a23ae237171 ("net: marvell: prestera: Add router nexthops ABI")
Signed-off-by: Shang XiaoJing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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syzbot reported use-after-free in tun_detach() [1]. This causes call
trace like below:
==================================================================
BUG: KASAN: use-after-free in notifier_call_chain+0x1ee/0x200 kernel/notifier.c:75
Read of size 8 at addr ffff88807324e2a8 by task syz-executor.0/3673
CPU: 0 PID: 3673 Comm: syz-executor.0 Not tainted 6.1.0-rc5-syzkaller-00044-gcc675d22e422 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
print_address_description mm/kasan/report.c:284 [inline]
print_report+0x15e/0x461 mm/kasan/report.c:395
kasan_report+0xbf/0x1f0 mm/kasan/report.c:495
notifier_call_chain+0x1ee/0x200 kernel/notifier.c:75
call_netdevice_notifiers_info+0x86/0x130 net/core/dev.c:1942
call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
call_netdevice_notifiers net/core/dev.c:1997 [inline]
netdev_wait_allrefs_any net/core/dev.c:10237 [inline]
netdev_run_todo+0xbc6/0x1100 net/core/dev.c:10351
tun_detach drivers/net/tun.c:704 [inline]
tun_chr_close+0xe4/0x190 drivers/net/tun.c:3467
__fput+0x27c/0xa90 fs/file_table.c:320
task_work_run+0x16f/0x270 kernel/task_work.c:179
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xb3d/0x2a30 kernel/exit.c:820
do_group_exit+0xd4/0x2a0 kernel/exit.c:950
get_signal+0x21b1/0x2440 kernel/signal.c:2858
arch_do_signal_or_restart+0x86/0x2300 arch/x86/kernel/signal.c:869
exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
__syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296
do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x63/0xcd
The cause of the issue is that sock_put() from __tun_detach() drops
last reference count for struct net, and then notifier_call_chain()
from netdev_state_change() accesses that struct net.
This patch fixes the issue by calling sock_put() from tun_detach()
after all necessary accesses for the struct net has done.
Fixes: 83c1f36f9880 ("tun: send netlink notification when the device is modified")
Reported-by: [email protected]
Link: https://syzkaller.appspot.com/bug?id=96eb7f1ce75ef933697f24eeab928c4a716edefe [1]
Signed-off-by: Shigeru Yoshida <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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Lorenzo Bianconi says:
====================
refactor mtk_wed code to introduce SER support
Refactor mtk_wed support in order to introduce proper integration for hw reset
between mtk_eth_soc/mtk_wed and mt76 drivers.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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Introduce reset parameter to mtk_wed_tx_ring_setup signature.
This is a preliminary patch to add Wireless Ethernet Dispatcher reset
support.
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Introduce mtk_wed_rx_reset routine in order to reset rx DMA for Wireless
Ethernet Dispatcher available on MT7986 SoC.
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Update mtk_wed_stop routine and rename old mtk_wed_stop() to
mtk_wed_deinit(). This is a preliminary patch to add Wireless Ethernet
Dispatcher reset support.
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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mtk_wdma_tx_reset
Remove duplicated code. Increase poll timeout to 10ms in order to be
aligned with vendor sdk.
This is a preliminary patch to add Wireless Ethernet Dispatcher reset
support.
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Move MTK_WDMA_RESET_IDX configuration in mtk_wdma_rx_reset routine.
Increase poll timeout to 10ms in order to be aligned with vendor sdk.
This is a preliminary patch to add Wireless Ethernet Dispatcher reset
support.
Co-developed-by: Sujuan Chen <[email protected]>
Signed-off-by: Sujuan Chen <[email protected]>
Signed-off-by: Lorenzo Bianconi <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Miquel Raynal says:
====================
Marvell nvmem mac addresses support
Now that we are aligned on how to make information available from static
storage media to drivers like Ethernet controller drivers or switch
drivers by using nvmem cells and going through the whole nvmem
infrastructure, here are two driver updates to reflect these changes.
Prior to the driver updates, I propose:
* Reverting binding changes which should have never been accepted like
that.
* A conversion of the (old) Prestera and DFX server bindings (optional,
can be dropped if not considered necessary).
* A better description of the more recent Prestera PCI switch.
Please mind that this series cannot break anything since retrieving the
MAC address Prestera driver has never worked upstream, because the (ONIE
tlv) driver supposed to export the MAC address has not been accepted in
its original form and has been updated to the nvmem-layout
infrastructure (bindings have been merged, the code remains to be
applied).
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Paolo Abeni <[email protected]>
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The ONIE standard describes the organization of tlv (type-length-value)
arrays commonly stored within NVMEM devices on common networking
hardware.
Several drivers already make use of NVMEM cells for purposes like
retrieving a default MAC address provided by the manufacturer.
What made ONIE tables unusable so far was the fact that the information
where "dynamically" located within the table depending on the
manufacturer wishes, while Linux NVMEM support only allowed statically
defined NVMEM cells. Fortunately, this limitation was eventually tackled
with the introduction of discoverable cells through the use of NVMEM
layouts, making it possible to extract and consistently use the content
of tables like ONIE's tlv arrays.
Parsing this table at runtime in order to get various information is now
possible. So, because many Marvell networking switches already follow
this standard, let's consider using NVMEM cells as a new valid source of
information when looking for a base MAC address, which is one of the
primary uses of these new fields. Indeed, manufacturers following the
ONIE standard are encouraged to provide a default MAC address there, so
let's eventually use it if no other MAC address has been found using the
existing methods.
Link: https://opencomputeproject.github.io/onie/design-spec/hw_requirements.html
Signed-off-by: Miquel Raynal <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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This driver fist makes an expensive DT lookup to retrieve its DT node
(this is a PCI driver) in order to later search for the
base-mac-provider property. This property has no reality upstream and
this code should not have been accepted like this in the first
place. Instead, there is a proper nvmem interface that should be
used. Let's avoid these extra lookups and rely on the nvmem internal
logic.
Signed-off-by: Miquel Raynal <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Export
of_get_mac_addr_nvmem()
and rename it to
of_get_mac_address_nvmem()
in order to fit the convention followed by the existing exported helpers
of the same kind.
This way, OF compatible drivers using eg. fwnode_get_mac_address() can
do a direct call to it instead of calling of_get_mac_address() just for
the nvmem step, avoiding to repeat an expensive DT lookup which has
already been done once.
Eventually, fwnode_get_mac_address() should probably be updated to
perform the nvmem lookup directly, but as of today, nvmem cells seem not
to be supported by ACPI yet which would defeat this kind of extension.
Suggested-by: Marcin Wojtas <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Even though the devices have very little in common beside the name and
the main "switch" feature, Marvell Prestera switch family is also
composed of PCI-only devices which can receive additional static
properties, like nvmem cells to point at MAC addresses, for
instance. Let's describe them.
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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The currently described switch family is named AlleyCat3, it is a memory
mapped switch found on Armada XP boards.
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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Even though this description is not used anywhere upstream (no matching
driver), while on this file I decided I would try a conversion to yaml
in order to clarify the prestera family description.
I cannot keep the nodename dfx-server@xxxx so I switched to dfx-bus@xxxx
which matches simple-bus.yaml. Otherwise I took the example context from
the only user of this compatible: armada-xp-98dx3236.dtsi, which is a
rather old and not perfect DT.
Signed-off-by: Miquel Raynal <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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This reverts commit 40acc05271abc2852c32622edbebd75698736b9b.
marvell,prestera.txt is an old file describing the old Alleycat3
standalone switches. The commit mentioned above actually hacked these
bindings to add support for a device tree property for a more modern
version of the IP connected over PCI, using only the generic compatible
in order to retrieve the device node from the prestera driver to read
one static property.
The problematic property discussed here is "base-mac-provider". The
original intent was to point to a nvmem device which could produce the
relevant nvmem-cell. This property has never been acked by DT
maintainers and fails all the layering that has been brought with the nvmem
bindings by pointing at a nvmem producer, bypassing the existing nvmem
bindings, rather than a nvmem cell directly. Furthermore, the property
cannot even be used upstream because it expected the ONIE tlv driver to
produce a specific cell, driver which used nacked bindings and thus was
never merged, replaced by a more integrated concept: the nvmem-layout.
So let's forget about this temporary addition, safely avoiding the need
for any backward compatibility handling. A new (yaml) binding file will
be brought with the prestera bindings, and there we will actually
include a description of the modern IP over PCI, including the right way
to point to a nvmem cell.
Cc: Vadym Kochan <[email protected]>
Cc: Taras Chornyi <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Acked-by: Rob Herring <[email protected]>
Acked-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Paolo Abeni <[email protected]>
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====================
bpf-next 2022-11-25
We've added 101 non-merge commits during the last 11 day(s) which contain
a total of 109 files changed, 8827 insertions(+), 1129 deletions(-).
The main changes are:
1) Support for user defined BPF objects: the use case is to allocate own
objects, build own object hierarchies and use the building blocks to
build own data structures flexibly, for example, linked lists in BPF,
from Kumar Kartikeya Dwivedi.
2) Add bpf_rcu_read_{,un}lock() support for sleepable programs,
from Yonghong Song.
3) Add support storing struct task_struct objects as kptrs in maps,
from David Vernet.
4) Batch of BPF map documentation improvements, from Maryam Tahhan
and Donald Hunter.
5) Improve BPF verifier to propagate nullness information for branches
of register to register comparisons, from Eduard Zingerman.
6) Fix cgroup BPF iter infra to hold reference on the start cgroup,
from Hou Tao.
7) Fix BPF verifier to not mark fentry/fexit program arguments as trusted
given it is not the case for them, from Alexei Starovoitov.
8) Improve BPF verifier's realloc handling to better play along with dynamic
runtime analysis tools like KASAN and friends, from Kees Cook.
9) Remove legacy libbpf mode support from bpftool,
from Sahid Orentino Ferdjaoui.
10) Rework zero-len skb redirection checks to avoid potentially breaking
existing BPF test infra users, from Stanislav Fomichev.
11) Two small refactorings which are independent and have been split out
of the XDP queueing RFC series, from Toke Høiland-Jørgensen.
12) Fix a memory leak in LSM cgroup BPF selftest, from Wang Yufen.
13) Documentation on how to run BPF CI without patch submission,
from Daniel Müller.
Signed-off-by: Jakub Kicinski <[email protected]>
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The fileserver probing code attempts to work out the best fileserver to
use for a volume by retrieving the RTT calculated by AF_RXRPC for the
probe call sent to each server and comparing them. Sometimes, however,
no RTT estimate is available and rxrpc_kernel_get_srtt() returns false,
leading good fileservers to be given an RTT of UINT_MAX and thus causing
the rotation algorithm to ignore them.
Fix afs_select_fileserver() to ignore rxrpc_kernel_get_srtt()'s return
value and just take the estimated RTT it provides - which will be capped
at 1 second.
Fixes: 1d4adfaf6574 ("rxrpc: Make rxrpc_kernel_get_srtt() indicate validity")
Signed-off-by: David Howells <[email protected]>
Reviewed-by: Marc Dionne <[email protected]>
Tested-by: Marc Dionne <[email protected]>
cc: [email protected]
Link: https://lore.kernel.org/r/166965503999.3392585.13954054113218099395.stgit@warthog.procyon.org.uk/
Signed-off-by: Linus Torvalds <[email protected]>
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I got the following report while doing device(mscc-miim) load test
with CONFIG_OF_UNITTEST and CONFIG_OF_DYNAMIC enabled:
OF: ERROR: memory leak, expected refcount 1 instead of 2,
of_node_get()/of_node_put() unbalanced - destroy cset entry:
attach overlay node /spi/soc@0/mdio@7107009c/ethernet-phy@0
If the 'fwnode' is not an acpi node, the refcount is get in
fwnode_mdiobus_phy_device_register(), but it has never been
put when the device is freed in the normal path. So call
fwnode_handle_put() in phy_device_release() to avoid leak.
If it's an acpi node, it has never been get, but it's put
in the error path, so call fwnode_handle_get() before
phy_device_register() to keep get/put operation balanced.
Fixes: bc1bee3b87ee ("net: mdiobus: Introduce fwnode_mdiobus_register_phy()")
Signed-off-by: Yang Yingliang <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The skb is delivered to netif_rx() which may free it, after calling this,
dereferencing skb may trigger use-after-free.
Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)")
Signed-off-by: YueHaibing <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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As the call trace shows, the original skb was freed in tipc_msg_validate(),
and dereferencing the old skb cb would cause an use-after-free crash.
BUG: KASAN: use-after-free in tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]
Call Trace:
<IRQ>
tipc_crypto_rcv_complete+0x1835/0x2240 [tipc]
tipc_crypto_rcv+0xd32/0x1ec0 [tipc]
tipc_rcv+0x744/0x1150 [tipc]
...
Allocated by task 47078:
kmem_cache_alloc_node+0x158/0x4d0
__alloc_skb+0x1c1/0x270
tipc_buf_acquire+0x1e/0xe0 [tipc]
tipc_msg_create+0x33/0x1c0 [tipc]
tipc_link_build_proto_msg+0x38a/0x2100 [tipc]
tipc_link_timeout+0x8b8/0xef0 [tipc]
tipc_node_timeout+0x2a1/0x960 [tipc]
call_timer_fn+0x2d/0x1c0
...
Freed by task 47078:
tipc_msg_validate+0x7b/0x440 [tipc]
tipc_crypto_rcv_complete+0x4b5/0x2240 [tipc]
tipc_crypto_rcv+0xd32/0x1ec0 [tipc]
tipc_rcv+0x744/0x1150 [tipc]
This patch fixes it by re-fetching the skb cb from the new allocated skb
after calling tipc_msg_validate().
Fixes: fc1b6d6de220 ("tipc: introduce TIPC encryption & authentication")
Reported-by: Shuang Li <[email protected]>
Signed-off-by: Xin Long <[email protected]>
Link: https://lore.kernel.org/r/1b1cdba762915325bd8ef9a98d0276eb673df2a5.1669398403.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <[email protected]>
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Matthieu Baerts says:
====================
mptcp: More fixes for 6.1
Patch 1 makes sure data received after a close will still be processed
and acked as exepected. This is a regression for a commit introduced
in v5.11.
Patch 2 fixes a kernel deadlock found when working on validating TFO
with a listener MPTCP socket. This is not directly linked to TFO but
it is easier to reproduce the issue with it. This fixes a bug introduced
by a commit from v6.0.
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Matt reported a splat at msk close time:
BUG: sleeping function called from invalid context at net/mptcp/protocol.c:2877
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 155, name: packetdrill
preempt_count: 201, expected: 0
RCU nest depth: 0, expected: 0
4 locks held by packetdrill/155:
#0: ffff888001536990 (&sb->s_type->i_mutex_key#6){+.+.}-{3:3}, at: __sock_release (net/socket.c:650)
#1: ffff88800b498130 (sk_lock-AF_INET){+.+.}-{0:0}, at: mptcp_close (net/mptcp/protocol.c:2973)
#2: ffff88800b49a130 (sk_lock-AF_INET/1){+.+.}-{0:0}, at: __mptcp_close_ssk (net/mptcp/protocol.c:2363)
#3: ffff88800b49a0b0 (slock-AF_INET){+...}-{2:2}, at: __lock_sock_fast (include/net/sock.h:1820)
Preemption disabled at:
0x0
CPU: 1 PID: 155 Comm: packetdrill Not tainted 6.1.0-rc5 #365
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl (lib/dump_stack.c:107 (discriminator 4))
__might_resched.cold (kernel/sched/core.c:9891)
__mptcp_destroy_sock (include/linux/kernel.h:110)
__mptcp_close (net/mptcp/protocol.c:2959)
mptcp_subflow_queue_clean (include/net/sock.h:1777)
__mptcp_close_ssk (net/mptcp/protocol.c:2363)
mptcp_destroy_common (net/mptcp/protocol.c:3170)
mptcp_destroy (include/net/sock.h:1495)
__mptcp_destroy_sock (net/mptcp/protocol.c:2886)
__mptcp_close (net/mptcp/protocol.c:2959)
mptcp_close (net/mptcp/protocol.c:2974)
inet_release (net/ipv4/af_inet.c:432)
__sock_release (net/socket.c:651)
sock_close (net/socket.c:1367)
__fput (fs/file_table.c:320)
task_work_run (kernel/task_work.c:181 (discriminator 1))
exit_to_user_mode_prepare (include/linux/resume_user_mode.h:49)
syscall_exit_to_user_mode (kernel/entry/common.c:130)
do_syscall_64 (arch/x86/entry/common.c:87)
entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
We can't call mptcp_close under the 'fast' socket lock variant, replace
it with a sock_lock_nested() as the relevant code is already under the
listening msk socket lock protection.
Reported-by: Matthieu Baerts <[email protected]>
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/316
Fixes: 30e51b923e43 ("mptcp: fix unreleased socket in accept queue")
Signed-off-by: Paolo Abeni <[email protected]>
Reviewed-by: Matthieu Baerts <[email protected]>
Signed-off-by: Matthieu Baerts <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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All of the subflows of a msk will be orphaned in mptcp_close(), which
means the subflows are in DEAD state. After then, DATA_FIN will be sent,
and the other side will response with a DATA_ACK for this DATA_FIN.
However, if the other side still has pending data, the data that received
on these subflows will not be passed to the msk, as they are DEAD and
subflow_data_ready() will not be called in tcp_data_ready(). Therefore,
these data can't be acked, and they will be retransmitted again and again,
until timeout.
Fix this by setting ssk->sk_socket and ssk->sk_wq to 'NULL', instead of
orphaning the subflows in __mptcp_close(), as Paolo suggested.
Fixes: e16163b6e2b7 ("mptcp: refactor shutdown and close")
Reviewed-by: Biao Jiang <[email protected]>
Reviewed-by: Mengen Sun <[email protected]>
Signed-off-by: Menglong Dong <[email protected]>
Reviewed-by: Paolo Abeni <[email protected]>
Signed-off-by: Matthieu Baerts <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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This patch changes the reported ethtool statistics for the lan9303
family of parts covered by this driver.
The TxUnderRun statistic label is renamed to RxShort to accurately
reflect what stat the device is reporting. I did not reorder the
statistics as that might cause problems with existing user code that
are expecting the stats at a certain offset.
Fixes: a1292595e006 ("net: dsa: add new DSA switch driver for the SMSC-LAN9303")
Signed-off-by: Jerry Ray <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Kalle Valo says:
====================
wireless fixes for v6.1
Third, and hopefully final, set of fixes for v6.1. We are marking the
rsi driver as orphan, have some Information Element parsing fixes to
wilc1000 driver and three small fixes to the stack.
* tag 'wireless-2022-11-28' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless:
wifi: mac8021: fix possible oob access in ieee80211_get_rate_duration
wifi: cfg80211: don't allow multi-BSSID in S1G
wifi: cfg80211: fix buffer overflow in elem comparison
wifi: wilc1000: validate number of channels
wifi: wilc1000: validate length of IEEE80211_P2P_ATTR_CHANNEL_LIST attribute
wifi: wilc1000: validate length of IEEE80211_P2P_ATTR_OPER_CHANNEL attribute
wifi: wilc1000: validate pairwise and authentication suite offsets
MAINTAINERS: mark rsi wifi driver as orphan
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:
====================
bpf 2022-11-25
We've added 10 non-merge commits during the last 8 day(s) which contain
a total of 7 files changed, 48 insertions(+), 30 deletions(-).
The main changes are:
1) Several libbpf ringbuf fixes related to probing for its availability,
size overflows when mmaping a 2G ringbuf and rejection of invalid
reservationsizes, from Hou Tao.
2) Fix a buggy return pointer in libbpf for attach_raw_tp function,
from Jiri Olsa.
3) Fix a local storage BPF map bug where the value's spin lock field
can get initialized incorrectly, from Xu Kuohai.
4) Two follow-up fixes in kprobe_multi BPF selftests for BPF CI,
from Jiri Olsa.
* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
selftests/bpf: Make test_bench_attach serial
selftests/bpf: Filter out default_idle from kprobe_multi bench
bpf: Set and check spin lock value in sk_storage_map_test
bpf: Do not copy spin lock field from user in bpf_selem_alloc
libbpf: Check the validity of size in user_ring_buffer__reserve()
libbpf: Handle size overflow for user ringbuf mmap
libbpf: Handle size overflow for ringbuf mmap
libbpf: Use page size as max_entries when probing ring buffer map
bpf, perf: Use subprog name when reporting subprog ksymbol
libbpf: Use correct return pointer in attach_raw_tp
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
|
|
This reverts commit f72cd76b05ea1ce9258484e8127932d0ea928f22.
This patch is so broken, it hurts. Apparently no one reviewed it and it
passed the build testing (because the code was compiled out), but it was
obviously never compile-tested, since it produces the following build
error, due to an incomplete conversion where an extra argument was left,
although the function being called was left:
stmmac_main.c: In function ‘stmmac_cmdline_opt’:
stmmac_main.c:7586:28: error: too many arguments to function ‘sysfs_streq’
7586 | } else if (sysfs_streq(opt, "pause:", 6)) {
| ^~~~~~~~~~~
In file included from ../include/linux/bitmap.h:11,
from ../include/linux/cpumask.h:12,
from ../include/linux/smp.h:13,
from ../include/linux/lockdep.h:14,
from ../include/linux/mutex.h:17,
from ../include/linux/notifier.h:14,
from ../include/linux/clk.h:14,
from ../drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:17:
../include/linux/string.h:185:13: note: declared here
185 | extern bool sysfs_streq(const char *s1, const char *s2);
| ^~~~~~~~~~~
What's even worse is that the patch is flat out wrong. The stmmac_cmdline_opt()
function does not parse sysfs input, but cmdline input such as
"stmmaceth=tc:1,pause:1". The pattern of using strsep() followed by
strncmp() for such strings is not unique to stmmac, it can also be found
mainly in drivers under drivers/video/fbdev/.
With strncmp("tc:", 3), the code matches on the "tc:1" token properly.
With sysfs_streq("tc:"), it doesn't.
Fixes: f72cd76b05ea ("net: stmmac: use sysfs_streq() instead of strncmp()")
Signed-off-by: Vladimir Oltean <[email protected]>
Acked-by: Maciej Fijalkowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
|
|
Add CDC-ECM support for LARA-L6.
LARA-L6 module can be configured (by AT interface) in three different
USB modes:
* Default mode (Vendor ID: 0x1546 Product ID: 0x1341) with 4 serial
interfaces
* RmNet mode (Vendor ID: 0x1546 Product ID: 0x1342) with 4 serial
interfaces and 1 RmNet virtual network interface
* CDC-ECM mode (Vendor ID: 0x1546 Product ID: 0x1343) with 4 serial
interface and 1 CDC-ECM virtual network interface
In CDC-ECM mode LARA-L6 exposes the following interfaces:
If 0: Diagnostic
If 1: AT parser
If 2: AT parser
If 3: AT parset/alternative functions
If 4: CDC-ECM interface
Signed-off-by: Davide Tronchin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
|
|
When the kernel receives a route deletion request from user space it
tries to delete a route that matches the route attributes specified in
the request.
If only prefix information is specified in the request, the kernel
should delete the first matching FIB alias regardless of its associated
FIB info. However, an error is currently returned when the FIB info is
backed by a nexthop object:
# ip nexthop add id 1 via 192.0.2.2 dev dummy10
# ip route add 198.51.100.0/24 nhid 1
# ip route del 198.51.100.0/24
RTNETLINK answers: No such process
Fix by matching on such a FIB info when legacy nexthop attributes are
not specified in the request. An earlier check already covers the case
where a nexthop ID is specified in the request.
Add tests that cover these flows. Before the fix:
# ./fib_nexthops.sh -t ipv4_fcnal
...
TEST: Delete route when not specifying nexthop attributes [FAIL]
Tests passed: 11
Tests failed: 1
After the fix:
# ./fib_nexthops.sh -t ipv4_fcnal
...
TEST: Delete route when not specifying nexthop attributes [ OK ]
Tests passed: 12
Tests failed: 0
No regressions in other tests:
# ./fib_nexthops.sh
...
Tests passed: 228
Tests failed: 0
# ./fib_tests.sh
...
Tests passed: 186
Tests failed: 0
Cc: [email protected]
Reported-by: Jonas Gorski <[email protected]>
Tested-by: Jonas Gorski <[email protected]>
Fixes: 493ced1ac47c ("ipv4: Allow routes to use nexthop objects")
Fixes: 6bf92d70e690 ("net: ipv4: fix route with nexthop object delete warning")
Fixes: 61b91eb33a69 ("ipv4: Handle attempt to delete multipath route when fib_info contains an nh reference")
Signed-off-by: Ido Schimmel <[email protected]>
Reviewed-by: Nikolay Aleksandrov <[email protected]>
Reviewed-by: David Ahern <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree fix from Rob Herring:
- Fix DT node reference counting for of_fwnode_get_reference_args()
exit path
* tag 'devicetree-fixes-for-6.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
of: property: decrement node refcount in of_fwnode_get_reference_args()
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Fix osnoise duration type to 64bit not 32bit
- Have histogram triggers be able to handle an unexpected NULL pointer
for the record event, which can happen when the histogram first
starts up
- Clear out ring buffers when dynamic events are removed, as the type
that is saved in the ring buffer is used to read the event, and a
stale type that is reused by another event could cause use after free
issues
- Trivial comment fix
- Fix memory leak in user_event_create()
* tag 'trace-v6.1-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: Free buffers when a used dynamic event is removed
tracing: Add tracing_reset_all_online_cpus_unlocked() function
tracing: Fix race where histograms can be called before the event
tracing/osnoise: Fix duration type
tracing/user_events: Fix memory leak in user_event_create()
tracing/hist: add in missing * in comment blocks
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fix from Miklos Szeredi:
"Fix a regression introduced in -rc4"
* tag 'fuse-fixes-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: lock inode unconditionally in fuse_fallocate()
|
|
Pass true explicitly to iwl_mei_alive_notif() when we can be
sure that Alive notification was received. The issue was discovered
by Smatch.
Reported-by: Dan Carpenter <[email protected]>
Link: https://lore.kernel.org/all/Y3uYUEFnMiBY2ABQ@kili/
Link: https://lore.kernel.org/r/20221123225313.83c2251055c1.Ia028357e7ab36dfc2abf85106a5926ee7893a408@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
In case PLDR sync is required but iwlmei failed to get a response
from CSME, the device cannot be brought up, so return an error
value.
Reported-by: Dan Carpenter <[email protected]>
Link: https://lore.kernel.org/all/Y3uYUEFnMiBY2ABQ@kili/
Signed-off-by: Avraham Stern <[email protected]>
Link: https://lore.kernel.org/r/20221123225313.08b345123f83.I13bfacc2f6da7de8ada90127fe7108d1bb73af92@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
When doing the PLDR flow, the fw goes through a re-read and needs
PCI re-enumeration in order to recover. In this case, skip the mac
start retry and fw dumps as all the fw and registers are invalid
until the PCI re-enumeration.
In addition, print the register that shows the re-read counter
when loading the fw.
Signed-off-by: Avraham Stern <[email protected]>
Link: https://lore.kernel.org/r/20221123225313.9ae77968961e.Ie06e886cef4b5921b65dacb7724db1276bed38cb@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
We see kernel crashes and lockups and KASAN errors related to ax210
firmware crashes. One of the KASAN dumps pointed at the tx path,
and it appears there is indeed a way to double-free an skb.
If iwl_mvm_tx_skb_sta returns non-zero, then the 'skb' sent into the
method will be freed. But, in case where we build TSO skb buffer,
the skb may also be freed in error case. So, return 0 in that particular
error case and do cleanup manually.
BUG: KASAN: use-after-free in __list_del_entry_valid+0x12/0x90
iwlwifi 0000:06:00.0: 0x00000000 | tsf hi
Read of size 8 at addr ffff88813cfa4ba0 by task btserver/9650
CPU: 4 PID: 9650 Comm: btserver Tainted: G W 5.19.8+ #5
iwlwifi 0000:06:00.0: 0x00000000 | time gp1
Hardware name: Default string Default string/SKYBAY, BIOS 5.12 02/19/2019
Call Trace:
<TASK>
dump_stack_lvl+0x55/0x6d
print_report.cold.12+0xf2/0x684
iwlwifi 0000:06:00.0: 0x1D0915A8 | time gp2
? __list_del_entry_valid+0x12/0x90
kasan_report+0x8b/0x180
iwlwifi 0000:06:00.0: 0x00000001 | uCode revision type
? __list_del_entry_valid+0x12/0x90
__list_del_entry_valid+0x12/0x90
iwlwifi 0000:06:00.0: 0x00000048 | uCode version major
tcp_update_skb_after_send+0x5d/0x170
__tcp_transmit_skb+0xb61/0x15c0
iwlwifi 0000:06:00.0: 0xDAA05125 | uCode version minor
? __tcp_select_window+0x490/0x490
iwlwifi 0000:06:00.0: 0x00000420 | hw version
? trace_kmalloc_node+0x29/0xd0
? __kmalloc_node_track_caller+0x12a/0x260
? memset+0x1f/0x40
? __build_skb_around+0x125/0x150
? __alloc_skb+0x1d4/0x220
? skb_zerocopy_clone+0x55/0x230
iwlwifi 0000:06:00.0: 0x00489002 | board version
? kmalloc_reserve+0x80/0x80
? rcu_read_lock_bh_held+0x60/0xb0
tcp_write_xmit+0x3f1/0x24d0
iwlwifi 0000:06:00.0: 0x034E001C | hcmd
? __check_object_size+0x180/0x350
iwlwifi 0000:06:00.0: 0x24020000 | isr0
tcp_sendmsg_locked+0x8a9/0x1520
iwlwifi 0000:06:00.0: 0x01400000 | isr1
? tcp_sendpage+0x50/0x50
iwlwifi 0000:06:00.0: 0x48F0000A | isr2
? lock_release+0xb9/0x400
? tcp_sendmsg+0x14/0x40
iwlwifi 0000:06:00.0: 0x00C3080C | isr3
? lock_downgrade+0x390/0x390
? do_raw_spin_lock+0x114/0x1d0
iwlwifi 0000:06:00.0: 0x00200000 | isr4
? rwlock_bug.part.2+0x50/0x50
iwlwifi 0000:06:00.0: 0x034A001C | last cmd Id
? rwlock_bug.part.2+0x50/0x50
? lockdep_hardirqs_on_prepare+0xe/0x200
iwlwifi 0000:06:00.0: 0x0000C2F0 | wait_event
? __local_bh_enable_ip+0x87/0xe0
? inet_send_prepare+0x220/0x220
iwlwifi 0000:06:00.0: 0x000000C4 | l2p_control
tcp_sendmsg+0x22/0x40
sock_sendmsg+0x5f/0x70
iwlwifi 0000:06:00.0: 0x00010034 | l2p_duration
__sys_sendto+0x19d/0x250
iwlwifi 0000:06:00.0: 0x00000007 | l2p_mhvalid
? __ia32_sys_getpeername+0x40/0x40
iwlwifi 0000:06:00.0: 0x00000000 | l2p_addr_match
? rcu_read_lock_held_common+0x12/0x50
? rcu_read_lock_sched_held+0x5a/0xd0
? rcu_read_lock_bh_held+0xb0/0xb0
? rcu_read_lock_sched_held+0x5a/0xd0
? rcu_read_lock_sched_held+0x5a/0xd0
? lock_release+0xb9/0x400
? lock_downgrade+0x390/0x390
? ktime_get+0x64/0x130
? ktime_get+0x8d/0x130
? rcu_read_lock_held_common+0x12/0x50
? rcu_read_lock_sched_held+0x5a/0xd0
? rcu_read_lock_held_common+0x12/0x50
? rcu_read_lock_sched_held+0x5a/0xd0
? rcu_read_lock_bh_held+0xb0/0xb0
? rcu_read_lock_bh_held+0xb0/0xb0
__x64_sys_sendto+0x6f/0x80
do_syscall_64+0x34/0xb0
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f1d126e4531
Code: 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 48 8d 05 35 80 0c 00 41 89 ca 8b 00 85 c0 75 1c 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 67 c3 66 0f 1f 44 00 00 55 48 83 ec 20 48 89
RSP: 002b:00007ffe21a679d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000000000000ffdc RCX: 00007f1d126e4531
RDX: 0000000000010000 RSI: 000000000374acf0 RDI: 0000000000000014
RBP: 00007ffe21a67ac0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
</TASK>
Allocated by task 9650:
kasan_save_stack+0x1c/0x40
__kasan_slab_alloc+0x6d/0x90
kmem_cache_alloc_node+0xf3/0x2b0
__alloc_skb+0x191/0x220
tcp_stream_alloc_skb+0x3f/0x330
tcp_sendmsg_locked+0x67c/0x1520
tcp_sendmsg+0x22/0x40
sock_sendmsg+0x5f/0x70
__sys_sendto+0x19d/0x250
__x64_sys_sendto+0x6f/0x80
do_syscall_64+0x34/0xb0
entry_SYSCALL_64_after_hwframe+0x46/0xb0
Freed by task 9650:
kasan_save_stack+0x1c/0x40
kasan_set_track+0x21/0x30
kasan_set_free_info+0x20/0x30
__kasan_slab_free+0x102/0x170
kmem_cache_free+0xc8/0x3e0
iwl_mvm_mac_itxq_xmit+0x124/0x270 [iwlmvm]
ieee80211_queue_skb+0x874/0xd10 [mac80211]
ieee80211_xmit_fast+0xf80/0x1180 [mac80211]
__ieee80211_subif_start_xmit+0x287/0x680 [mac80211]
ieee80211_subif_start_xmit+0xcd/0x730 [mac80211]
dev_hard_start_xmit+0xf6/0x420
__dev_queue_xmit+0x165b/0x1b50
ip_finish_output2+0x66e/0xfb0
__ip_finish_output+0x487/0x6d0
ip_output+0x11c/0x350
__ip_queue_xmit+0x36b/0x9d0
__tcp_transmit_skb+0xb35/0x15c0
tcp_write_xmit+0x3f1/0x24d0
tcp_sendmsg_locked+0x8a9/0x1520
tcp_sendmsg+0x22/0x40
sock_sendmsg+0x5f/0x70
__sys_sendto+0x19d/0x250
__x64_sys_sendto+0x6f/0x80
do_syscall_64+0x34/0xb0
entry_SYSCALL_64_after_hwframe+0x46/0xb0
The buggy address belongs to the object at ffff88813cfa4b40
which belongs to the cache skbuff_fclone_cache of size 472
The buggy address is located 96 bytes inside of
472-byte region [ffff88813cfa4b40, ffff88813cfa4d18)
The buggy address belongs to the physical page:
page:ffffea0004f3e900 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88813cfa6c40 pfn:0x13cfa4
head:ffffea0004f3e900 order:2 compound_mapcount:0 compound_pincount:0
flags: 0x5fff8000010200(slab|head|node=0|zone=2|lastcpupid=0x3fff)
raw: 005fff8000010200 ffffea0004656b08 ffffea0008e8cf08 ffff8881081a5240
raw: ffff88813cfa6c40 0000000000170015 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88813cfa4a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88813cfa4b00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
>ffff88813cfa4b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88813cfa4c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88813cfa4c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Fixes: 08f7d8b69aaf ("iwlwifi: mvm: bring back mvm GSO code")
Link: https://lore.kernel.org/linux-wireless/[email protected]/
Tested-by: Amol Jawale <[email protected]>
Signed-off-by: Ben Greear <[email protected]>
Link: https://lore.kernel.org/r/20221123225313.21b1ee31d666.I3b3ba184433dd2a544d91eeeda29b467021824ae@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
These are register values which are needed for debug regardless of alive
fail/success.
Signed-off-by: Daniel Gabay <[email protected]>
Link: https://lore.kernel.org/r/20221123225313.a5ae3679491b.Ic618934df084a9b269e56d892665523c79e40eee@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
Update EHT MAC and PHY capabilities for GL device
for station and softap interface.
Add relevant code in nvm_fixup_sband_iftd.
Signed-off-by: Abhishek Naik <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.1da816ab7ffc.Ief570e27007c9e2ad3a97bee4b074e2fc1c75bae@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
We support large A-MPDU in EHT in 2.4 GHz, so add the right
bits for that in the EHT capabilities.
Signed-off-by: Johannes Berg <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.3e7449760415.Id394d7fd0acaca48d429feccda4e66dbadaab993@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
We can't have it in AP mode unless for debug, since we don't have
160 MHz in HE PHY capabilities, and also set it only in 6 GHz even
if (unlike in HE) it's always defined.
Signed-off-by: Johannes Berg <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.293ef3e5a1c4.I867526a6bd3f93ee50076ff359436dfb5ec6101c@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
The bits are reserved on the opposite bands, so we shouldn't
always send them, only the 2G bit on 2.4 GHz and the 5G bits
on 5/6GHz. Fix that.
Signed-off-by: Johannes Berg <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.0a075d00c796.Ib4cac0b7f90dfadebceceb1e07c8cdfd7a4138f6@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
In an EHT connection fill in the HE context command
with PPE Thresholds field from EHT Capabilities IE.
If PPE Thresholds field presents only in HE Capabilities IE,
take the thresholds from there.
If it's not present in both - set the Common Nominal Packet Padding
field from EHT Capabilities IE.
Signed-off-by: Miri Korenblit <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.062ac86110f2.I0bcd5ee35f4d987a49f15501985f90e0d3ce7590@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
In 11be we can receive 1K aggregation size so update our max HW rx
aggregation for mac80211 usage.
Signed-off-by: Mordechay Goodstein <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.ef0431f64975.Ie4d90c376c822694f4523ff0fb5731f20004c24d@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
Rate scale needs to be configured to what MCS it can use per BW and NSS,
this is done by parsing our capabilities of TX and peer's capabilities of
RX and setting the minimum for rate scale usage.
Also do some cleanup removing redundant enum defines not used by
FW/Driver.
Signed-off-by: Mordechay Goodstein <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.f71f3b4c4583.I7b5e8071df91146c4bee3e9bcb7ad62595b275e1@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
Support 320 MHz PHY configuration and while doing so rewrite
the code since we'd otherwise double the number of cases in
the switch statement.
Signed-off-by: Johannes Berg <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.964db911b733.If56c94a9bf20c050f35d2421b680e400a9f4aeb8@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
Add support for advertising EHT capabilities if supported by
device SKU and not disabled by module parameters.
Signed-off-by: Ilan Peer <[email protected]>
Link: https://lore.kernel.org/r/20221122220713.6bc00d851794.I214005645f3da21d8f2458a70355deeca04a19e8@changeid
Signed-off-by: Gregory Greenman <[email protected]>
|
|
ath.git patches for v6.2. Major changes:
ath10k
* store WLAN firmware version in SMEM image table
|
|
For SDIO/USB interface, since the tranferring speed is slower than
that in PCIE, it may have race condition when the driver sets down
H2C command to the FW.
In the function rtw_fw_send_h2c_command, before the patch, box_reg
is written first, then box_ex_reg is written. FW starts to work and
fetch the value of box_ex_reg, when the most significant byte of
box_reg(4 bytes) is written. Meanwhile, for SDIO/USB interface,
since the transferring speed is slow, the driver is still in writing
the new value of box_ex_reg through the bus, and FW may get the
wrong value of box_ex_reg at the moment.
To prevent the above driver/FW racing situation, box_ex_reg is
written first then box_reg. Furthermore, it is written in 4 bytes at
a time, instead of written in one byte one by one. It can increase
the speed for SDIO/USB interface.
Signed-off-by: Ji-Pin Jou <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Tested-by: Sascha Hauer <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
|