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If SRIOV cannot be disabled during device removal or module unloading,
return error code so it can be logged properly in the calling function.
Note that this can only happen if any VF is currently attached to a
guest using Xen, but not with vfio/KVM. Despite that in that case the
VFs won't work properly with PF removed and/or the module unloaded, I
have let it as is because I don't know what side effects may have
changing it, and also it seems to be the same that other drivers are
doing in this situation.
In the case of being called during SRIOV reconfiguration, the behavior
hasn't changed because the function is called with force=false.
Signed-off-by: Íñigo Huguet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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If pci_remove was called for a PF with VFs, the removal of the VFs was
called twice from efx_ef10_sriov_fini: one directly with pci_driver->remove
and another implicit by calling pci_disable_sriov, which also perform
the VFs remove. This was leading to crashing the kernel on the second
attempt.
Given that pci_disable_sriov already calls to pci remove function, get
rid of the direct call to pci_driver->remove from the driver.
2 different ways to trigger the bug:
- Create one or more VFs, then attach the PF to a virtual machine (at
least with qemu/KVM)
- Create one or more VFs, then remove the PF with:
echo 1 > /sys/bus/pci/devices/PF_PCI_ID/remove
Removing sfc module does not trigger the error, at least for me, because
it removes the VF first, and then the PF.
Example of a log with the error:
list_del corruption, ffff967fd20a8ad0->next is LIST_POISON1 (dead000000000100)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:47!
[...trimmed...]
RIP: 0010:__list_del_entry_valid.cold.1+0x12/0x4c
[...trimmed...]
Call Trace:
efx_dissociate+0x1f/0x140 [sfc]
efx_pci_remove+0x27/0x150 [sfc]
pci_device_remove+0x3b/0xc0
device_release_driver_internal+0x103/0x1f0
pci_stop_bus_device+0x69/0x90
pci_stop_and_remove_bus_device+0xe/0x20
pci_iov_remove_virtfn+0xba/0x120
sriov_disable+0x2f/0xe0
efx_ef10_pci_sriov_disable+0x52/0x80 [sfc]
? pcie_aer_is_native+0x12/0x40
efx_ef10_sriov_fini+0x72/0x110 [sfc]
efx_pci_remove+0x62/0x150 [sfc]
pci_device_remove+0x3b/0xc0
device_release_driver_internal+0x103/0x1f0
unbind_store+0xf6/0x130
kernfs_fop_write+0x116/0x190
vfs_write+0xa5/0x1a0
ksys_write+0x4f/0xb0
do_syscall_64+0x5b/0x1a0
entry_SYSCALL_64_after_hwframe+0x65/0xca
Signed-off-by: Íñigo Huguet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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syzbot complained in neigh_reduce(), because rcu_read_lock_bh()
is treated differently than rcu_read_lock()
WARNING: suspicious RCU usage
5.13.0-rc6-syzkaller #0 Not tainted
-----------------------------
include/net/addrconf.h:313 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by kworker/0:0/5:
#0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline]
#0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
#0: ffff888011064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x871/0x1600 kernel/workqueue.c:2247
#1: ffffc90000ca7da8 ((work_completion)(&port->wq)){+.+.}-{0:0}, at: process_one_work+0x8a5/0x1600 kernel/workqueue.c:2251
#2: ffffffff8bf795c0 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x1da/0x3130 net/core/dev.c:4180
stack backtrace:
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.13.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events ipvlan_process_multicast
Call Trace:
__dump_stack lib/dump_stack.c:79 [inline]
dump_stack+0x141/0x1d7 lib/dump_stack.c:120
__in6_dev_get include/net/addrconf.h:313 [inline]
__in6_dev_get include/net/addrconf.h:311 [inline]
neigh_reduce drivers/net/vxlan.c:2167 [inline]
vxlan_xmit+0x34d5/0x4c30 drivers/net/vxlan.c:2919
__netdev_start_xmit include/linux/netdevice.h:4944 [inline]
netdev_start_xmit include/linux/netdevice.h:4958 [inline]
xmit_one net/core/dev.c:3654 [inline]
dev_hard_start_xmit+0x1eb/0x920 net/core/dev.c:3670
__dev_queue_xmit+0x2133/0x3130 net/core/dev.c:4246
ipvlan_process_multicast+0xa99/0xd70 drivers/net/ipvlan/ipvlan_core.c:287
process_one_work+0x98d/0x1600 kernel/workqueue.c:2276
worker_thread+0x64c/0x1120 kernel/workqueue.c:2422
kthread+0x3b1/0x4a0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Fixes: f564f45c4518 ("vxlan: add ipv6 proxy support")
Signed-off-by: Eric Dumazet <[email protected]>
Reported-by: syzbot <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memset(), avoid intentionally writing across
neighboring array fields.
Instead of writing past the end of the header to reach the rest of
the body, replace the redundant function with existing macro to wipe
struct contents and set field values. Additionally adjusts macro to add
missing parens.
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally writing across neighboring array fields.
Since peer_he_cap_{mac,phy}info and he_cap_elem.{mac,phy}_cap_info are not
the same sizes, memcpy() was reading beyond field boundaries. Instead,
correctly cap the copy length and pad out any difference in size
(peer_he_cap_macinfo is 8 bytes whereas mac_cap_info is 6, and
peer_he_cap_phyinfo is 12 bytes whereas phy_cap_info is 11).
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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USB device ID of some versions of XiaoDu WiFi Dongle is 2955:1003
instead of 2955:1001. Both are the same mt7601u hardware.
Signed-off-by: Wei Mingzhi <[email protected]>
Acked-by: Jakub Kicinski <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memset(), avoid intentionally writing across
neighboring array fields.
When preparing to call mwifiex_set_keyparamset_wep(), key_material is
treated very differently from its structure layout (which has only a
single struct mwifiex_ie_type_key_param_set). Instead, add a new type to
the union so memset() can correctly reason about the size of the
structure.
Note that the union ("params", 196 bytes) containing key_material was
not large enough to hold the target of this memset(): sizeof(struct
mwifiex_ie_type_key_param_set) == 60, NUM_WEP_KEYS = 4, so 240
bytes, or 44 bytes past the end of "params". The good news is that
it appears that the command buffer, as allocated, is 2048 bytes
(MWIFIEX_SIZE_OF_CMD_BUFFER), so no neighboring memory appears to be
getting clobbered.
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Brian Norris <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally writing across neighboring array fields.
The size argument to memset() is bytes, but the array element size
of curvecount_val is u32, so "CV_CURVE_CNT * 2" was only 1/4th of the
contents of curvecount_val. Adjust memset() to wipe full buffer size.
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Larry Finger <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally reading across neighboring array fields. Use the
sub-structure address directly.
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In preparation for FORTIFY_SOURCE performing compile-time and run-time
field bounds checking for memcpy(), memmove(), and memset(), avoid
intentionally writing across neighboring array fields.
Validate the expected key size and introduce a wrapping structure
to use as the multi-field memcpy() destination so that overflows
can be correctly detected.
Signed-off-by: Kees Cook <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In some funciton, the variable ret just used as return value,and
out label just return ret,so ret and out label are unnecessary,
we should delete these and use return true/false to replace.
Signed-off-by: wengjianfeng <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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8821CE with ASPM cannot work properly on Protempo Ltd L116HTN6SPW. Add a
quirk to disable the cap.
The reporter describes the symptom is that this module (driver) causes
frequent freezes, randomly but usually within a few minutes of running
(thus very soon after boot): screen display remains frozen, no response
to either keyboard or mouse input. All I can do is to hold the power
button to power off, then reboot.
Reported-by: Paul Szabo <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Don't send beacon filter h2c when there is no valid context.
Return early instead of printing out warning messages, so others
won't get confused.
Signed-off-by: Po-Hao Huang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Use device coredump framework instead of print_hex_dump to support
FW crash dump. Pass data to the framework if preparing and dumping
are successful. The framework will take the ownership of the data.
The data will be freed after the framework determines its lifetime
is over. A new coredump will not work if the previous one still
exists.
Signed-off-by: Zong-Zhe Yang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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It is found that driver scan could be affected by dynamic mechanism
of firmware, so we notify firmware to stop it in the scan period.
Another, firmware will detect the background noise and report to
driver for further use.
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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add api to check if a certain feature is supported.
Signed-off-by: Chin-Yen Lee <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Update RTL8822C devices' RF tables to v62.
This fixes higher than expected spur in 2400 MHz under CCK mask.
Signed-off-by: Po-Hao Huang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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In commit fb8517f4fade4 ("rtw88: 8822c: add CFO tracking"),
"coex.h" was added here which caused the duplicate include.
Remove the later duplicate include.
Signed-off-by: Wan Jiabing <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Before this patch, we use value from 2 seconds ago to decide
whether we should do lc calibration.
Although this don't happen frequently, fix flow to the way it should be.
Fixes: 7ae7784ec2a8 ("rtw88: 8822c: add LC calibration for RTL8822C")
Signed-off-by: Po-Hao Huang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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This feature chooses to transmit with antenna that has better signal
strength periodically under 1ss rate.
It can benefit connection quality in the following cases:
1. User is far away from the AP.
2. The far-field pattern of the antenna showed significant signal
strength difference.
Signed-off-by: Po-Hao Huang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Adding this supports beacon filter and CQM.
Let firmware perform connection quality monitor and beacon processing.
This make host CPU wakeup less under power save mode.
To make mechanisms work as usual, fw will notify driver events such as
signal change and beacon loss.
This feature needs firmware 9.9.8 or newer to support it, and driver is
compatible with older firmware.
Signed-off-by: Po-Hao Huang <[email protected]>
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Start supporting API version 64 for AX devices.
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.8144a5b7d9a7.Ibf77fd7daa7d22f7c46d1c4a572ab9441a761299@changeid
Signed-off-by: Luca Coelho <[email protected]>
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If the TCM is present in the hardware (as advertised in the firmware
file TLV data), dump its error log table during firmware error dumps.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.2d2149f6654f.Id831f8fbca59900ba7efc623ffca0ca938b664d3@changeid
Signed-off-by: Luca Coelho <[email protected]>
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add new killer devices configurations.
Signed-off-by: ybaruch <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.4179f7191531.I3d5ed6b2b39fcd42863a679e21bda23a6c14253e@changeid
Signed-off-by: Luca Coelho <[email protected]>
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Conceptually, this belongs more into the firmware utils
rather than the mvm opmode, so move the collection and
output there.
Note that this slightly changes the format of the Status
line.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.b82b60d81346.Ide3b688107f6a59c7fc7eb1d8f2002b0a5c1f2d2@changeid
Signed-off-by: Luca Coelho <[email protected]>
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This new feature allows OEMs to set a special reduced power table in a
UEFI variable, which we use to tell the firmware to change the TX
power tables.
Read the variable and store it in a dram block to pass it to the
firmware. We do this as part of the PNVM loading flow.
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.259a33ba5074.I2e0bb142d2a9c412547cba89b62dd077b328fdc4@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We are going to read more variables from UEFI, so it's cleaner to have
all the code that handles UEFI variables in a separate file.
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.c705ac86f2e9.Ia7421c17fe52929e4098b4f0cf070809ed3ef906@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We need to pass the station id to teach the firmware on which
station id we want to get the status.
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.45218d913d07.I61a086936508230d86b454636945ceb0b9ea09fd@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We need to pass the station id to teach the firmware on which
station id we want to configure the key material.
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.13417410e9ea.I140c16e70f8ac91cec7e8189e182e2f672c39258@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We need to pass the station id to tell the firmware
on which station we want to configure the patterns.
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.73eceb822890.I37347afbc01497a8a9e4d4afe4fa9a965abd31ac@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We need to pass the station id to tell the firmware
on which station we want to configure the protocol
offload.
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.c25913d2c08c.Ic0fefac81afb9a2fe396d73528e30e09a8c5eae0@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We were assigning these macros manually when sparse is running, but
with newer versions of sparse, it started causing other warnings. Fix
it by making it a macro when sparse is running.
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.dc658639e07f.I69ab6d59ff10c55c8517621eb20a52194dc4783a@changeid
Signed-off-by: Luca Coelho <[email protected]>
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In gen3, after firmware is alive, we no longer need the
firmware and image loader images, only the context info
itself and PRPH info/scratch need to remain.
Call iwl_pcie_ctxt_info_gen3_free() appropriately in the
alive callback (iwl_trans_pcie_gen2_fw_alive()) with a new
argument indicating whether it can free everything or only
partially.
The context info and PRPH scratch are also not needed after
PNVM load, but we don't have a good hook for freeing after
that, so keep them for now.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.8230d91a46c1.Ia7db71e5e6265ca87363f1481eac1bc3bbebb15c@changeid
Signed-off-by: Luca Coelho <[email protected]>
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We don't fill in phy_data.d1 in no-data RX, and thus we
pretend some data is actually filled in radiotap when it
isn't or has default (zero) values.
Fill in phy_data.d1 appropriately, and while at it also
move the info_type initialization into the initializer.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.3d488885f77c.Ib97a2bc57c1e9fb98927dc6f802568db313abe3b@changeid
Signed-off-by: Luca Coelho <[email protected]>
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After firmware alive, iwl_trans_pcie_gen2_fw_alive() is called
to free the context info. However, on gen3 that will then free
the context info with the wrong size.
Since we free this allocation later, let it stick around until
the device is stopped for now, freeing some of it earlier is a
separate change.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.afb63fb8cbc1.If4968db8e09f4ce2a1d27a6d750bca3d132d7d70@changeid
Signed-off-by: Luca Coelho <[email protected]>
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In the case of gen3 devices with image loader (IML) support,
we were leaking the IML DMA allocation and never freeing it.
Fix that.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.07e117dbedb7.I7bb9ebbe0617656986c2a598ea5e827b533bd3b9@changeid
Signed-off-by: Luca Coelho <[email protected]>
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It's been a while that the firmware uses LONG_GROUP by default
and not LEGACY_GROUP.
Until now the firmware wrongly advertise the WOWLAN_GET_STATUS
command's version with LEGACY_GROUP, but it is now being fixed.
In order to support both firmwares, first try to get the version
number of the command with the LONG_GROUP and if the firmware
didn't advertise the command version with LONG_GROUP, try to get
the command version with LEGACY_GROUP.
Signed-off-by: Emmanuel Grumbach <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.cd6f4e421430.Iec07c746c8e65bc267e4750f38e4f74f2010ca45@changeid
Signed-off-by: Luca Coelho <[email protected]>
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These two version updates deprecate the need to set/get the nonqos sequence
counter during suspend/resume flow respectively; NICs supporting this
version maintain this counter internally and don't lose it during the
suspend/resume flow.
Note that this means that for such NICs the NON_QOS_TX_COUNTER_CMD is no
longer ever sent.
Signed-off-by: Naftali Goldstein <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.dd25dd667798.I8db9adcdbb133304b58cf417f8698611138c83b4@changeid
Signed-off-by: Luca Coelho <[email protected]>
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When operating in AP mode with NICs supporting the AP_LINK_PS hw flag,
mac80211 doesn't need to start/stop queueing tx for connected stations
because the FW already handles that.
Signed-off-by: Naftali Goldstein <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.64df994c8fbb.I0fa5cda3a5f893a396eef30a01522422be359e69@changeid
Signed-off-by: Luca Coelho <[email protected]>
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In case of unbinding, the FW would remove the session protection time
events without sending a notification, so explicitly cancel the
session protection, so future requests for mgd_prepare_tx() would not
assume that the session protection is running.
Signed-off-by: Ilan Peer <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210618105614.7c30f85ed241.Ibc19fdbefca7135f2c4ea83d0aef6b81b5033dcd@changeid
Signed-off-by: Luca Coelho <[email protected]>
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Read the UNII4 setting from the ACPI table and use it in the
LARI_CONFIG_CHANGE_CMD accordingly.
This setting allows OEMs to enable or disable UNII4, bypassing the FW
defaults.
Signed-off-by: Abhishek Naik <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.223090c509c4.If03cb5393607ae494041b6187bcec134d6a1e06d@changeid
Signed-off-by: Luca Coelho <[email protected]>
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The TR/CR tail data are meant to be per-queue-arrays, however,
we allocate them completely wrong (we have a separate allocation
per queue).
Looking at this more closely, it turns out that the hardware
never uses these - we have a separate free list per RX queue
and maintain a write pointer for that in a register, and the
RX itself is indicated in the RB status (rb_stts) DMA region.
Despite nothing using the tail pointers, the hardware will
unconditionally access them to write updates, even when we aren't
using CRs/TRs.
Give it dummy values that we never use/update so it can do that
without causing trouble.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617110647.5f5764e04c46.I4d5de1929be048085767f1234a1e07b517ab6a2d@changeid
Signed-off-by: Luca Coelho <[email protected]>
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"ubd" is really called "used_bd", fix that.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.2d4b46c656bb.Iff9ee6a7e65d439169202911dad2cbea626fb887@changeid
Signed-off-by: Luca Coelho <[email protected]>
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If the firmware supports broadcast TWT (know by TLV),
add the broadcast TWT HE MAC capability.
Signed-off-by: Shaul Triebitz <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.80fee3171b53.Idfb69643f4044ec26865d023d0c2a1d6466694aa@changeid
Signed-off-by: Luca Coelho <[email protected]>
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If the LMR feedback is set in the ranging request, set the
corresponding flag in the fw command.
Signed-off-by: Avraham Stern <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.0c00dd724f5c.I8283b95c26f4226deaea42e7be35aa9d41eb7580@changeid
Signed-off-by: Luca Coelho <[email protected]>
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The (default) HE capabilities for our devices weren't handled
correctly, adjust them to match the correct capabilities of
the devices.
Since the device regulatory will not allow 160 MHz on 5 GHz,
don't advertise this capability by default; do it only if an
NVM file is being loaded that might change the regulatory
parameters.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.e8d0b02ec86b.Ia6ef8cc0480d38af25e6ac45fad9fb15bdfcbc2c@changeid
Signed-off-by: Luca Coelho <[email protected]>
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For IWL_DEVICE_FAMILY_22000 & greater, driver will call
NMI instead of REPLY_ERROR as FW->Infra does not support
this command for this family onwards.
Signed-off-by: Harish Mitty <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.597f4246c79d.Ia0a1bbc2e66b4e849174db685208fc2b8bd5732e@changeid
Signed-off-by: Luca Coelho <[email protected]>
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When the session protection ends and the Driver is not
associated or a beacon was not heard, the Driver
prints "No beacons heard...".
That's confusing for the case where not associated.
Change the print when not associated to "Not associated...".
Signed-off-by: Shaul Triebitz <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.41a5a5a894fa.I9eabb76e7a3a7f4abbed8f2ef918f1df8e825726@changeid
Signed-off-by: Luca Coelho <[email protected]>
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The firmware can now request SMPS (due to thermal conditions), add
some code to honour such requests and bubble them up through the
stack, subject to our other SMPS constraints, e.g. from Bluetooth.
Then, if the firmware requests SMPS, then we know that it supports
a small extension to the PHY configuration API where a chain mask
of 0 means "use 1 but pick which one yourself", so in this case we
use that extension.
During firmware restart, we stay in the previous state, and the FW
will send us a notification at startup (only) if the temperature is
below the lower or above the high threshold, to sync the state.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.85656b7684b9.I7a661a0758d070a750d3a91874d1a0f5fab9febc@changeid
Signed-off-by: Luca Coelho <[email protected]>
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SMPS requests may differ per interfaces due to e.g. Bluetooth
only interfering on 2.4 GHz, so if that's the case we should,
in the case of multiple PHY contexts, still allow RX diversity
on PHY context that have no interfaces with SMPS requests.
Fix the code to pass through the PHY context in question and
skip interfaces with non-matching PHY context while iterating.
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Luca Coelho <[email protected]>
Link: https://lore.kernel.org/r/iwlwifi.20210617100544.123c6b05809d.I992e3d1c6a29850d02eeec01712b5b685b963a87@changeid
Signed-off-by: Luca Coelho <[email protected]>
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