TH1 devices can now be fully differentiated by using the device
parameters we have (particularly the RF_TYPE). Start using these
parameters instead of hardcoding to specific subsystem device IDs.
This also fixes the name of one of the TH1 devices that was
erroneously using the 9260 struct and renames 9160 to 9162.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200309091348.18d4304b5454.Ib168d186da88393e9ec46f0fca523edb48d9138e@changeid
Devices that also include a GNSS module have different names, so add a
new device option to differentiate them, according to the values we
have in the modules section of the subsystem device ID.
Additionally, convert the two applicable devices to use this value
instead of hardcoded subsystem IDs.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200309091348.1f958e558d05.I45492bb57cbbeb4cc0ec84313bade4def7377a27@changeid
Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit. Fix it by replacing with scnprintf().
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Remove unneeded variable ret used to store return value.
Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
If the firmware is in a bad state or not initialized fully, sending
the DBGC_SUSPEND_RESUME command fails but we can still collect logs.
Instead of aborting the entire dump process, simply ignore the error.
By removing the last callpoint that was checking the return value, we
can also convert the function to return void.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Fixes: 576058330f ("iwlwifi: dbg: support debug recording suspend resume command")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200306151129.dcec37b2efd4.I8dcd190431d110a6a0e88095ce93591ccfb3d78d@changeid
The TLV offset is only used to read registers, while the offset used for
the FIFO addresses are hard coded in the driver and not given by the
TLV.
If we try to apply the TLV offset when reading the FIFOs, we'll read
from invalid addresses, causing the driver to hang.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Fixes: 8d7dea25ad ("iwlwifi: dbg_ini: implement Rx fifos dump")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200306151129.fbab869c26fa.I4ddac20d02f9bce41855a816aa6855c89bc3874e@changeid
We were erroneously checking the length of the tlv instead of checking
the pointer returned by kmemdup() when allocating dbg_conf_tlv[].
This was probably a typo. Fix it by checking the returned pointer
instead of the length.
Reported-by: Markus Elfring <Markus.Elfring@web.de>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200306151128.06e00e6e980f.I9a890ce83493b79892a5f690d12016525317fa7e@changeid
The AP may set the LDPC capability only in HE (IEEE80211_HE_PHY_CAP1),
but we were checking it only in the HT capabilities.
If we don't use this capability when required, the DSP gets the wrong
configuration in HE and doesn't work properly.
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Fixes: befebbb30a ("iwlwifi: rs: consider LDPC capability in case of HE")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20200306151128.492d167c1a25.I1ad1353dbbf6c99ae57814be750f41a1c9f7f4ac@changeid
* 802.11 frame encapsulation offload support
* more HE (802.11ax) support, including some for 6 GHz band
* powersave in hwsim, for better testing
Of course as usual there are various cleanups and small fixes.
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Merge tag 'mac80211-next-for-net-next-2020-02-14' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
A few big new things:
* 802.11 frame encapsulation offload support
* more HE (802.11ax) support, including some for 6 GHz band
* powersave in hwsim, for better testing
Of course as usual there are various cleanups and small fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Call cpu_latency_qos_add/update/remove_request() instead of
pm_qos_add/update/remove_request(), respectively, because the
latter are going to be dropped.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Tested-by: Amit Kucheria <amit.kucheria@linaro.org>
The logic for checking required NVM sections was recently fixed in
commit b3f20e0982 ("iwlwifi: mvm: fix NVM check for 3168
devices"). However, with that fixed the else is now taken for 3168
devices and within the else clause there is a mandatory check for the
PHY_SKU section. This causes the parsing to fail for 3168 devices.
The PHY_SKU section is really only mandatory for the IWL_NVM_EXT
layout (the phy_sku parameter of iwl_parse_nvm_data is only used when
the NVM type is IWL_NVM_EXT). So this changes the PHY_SKU section
check so that it's only mandatory for IWL_NVM_EXT.
Fixes: b3f20e0982 ("iwlwifi: mvm: fix NVM check for 3168 devices")
Signed-off-by: Dan Moulding <dmoulding@me.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
few functionality fixes to iwlwifi and smaller fixes to other drivers.
mwifiex
* fix an unlock from a previous security fix
* fix two buffer overflows
libertas
* fix two bugs from previous security fixes
iwlwifi
* fix module removal with multiple NICs
* don't treat IGTK removal failure as an error
* avoid FW crashes due to DTS measurement races
* fix a potential use after free in FTM code
* prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()
* fix TDLS discovery
* check all CPUs when trying to detect an error during resume
rtw88
* fix clang warning
mt76
* fix reading of max_nss value from a register
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Merge tag 'wireless-drivers-2020-02-08' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.6
First set of fixes for v5.6. Buffer overflow fixes to mwifiex, quite a
few functionality fixes to iwlwifi and smaller fixes to other drivers.
mwifiex
* fix an unlock from a previous security fix
* fix two buffer overflows
libertas
* fix two bugs from previous security fixes
iwlwifi
* fix module removal with multiple NICs
* don't treat IGTK removal failure as an error
* avoid FW crashes due to DTS measurement races
* fix a potential use after free in FTM code
* prevent a NULL pointer dereference in iwl_mvm_cfg_he_sta()
* fix TDLS discovery
* check all CPUs when trying to detect an error during resume
rtw88
* fix clang warning
mt76
* fix reading of max_nss value from a register
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Continue the wakeup flow only if no FW CPUs have an error
If we don't check for error in all FW CPUs the driver can think
based on one CPU that the FW is operational and try to access
and send commands.
Also, handle the error_id endianness correctly as le32
Signed-off-by: Mordechay Goodstein <mordechay.goodstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
I changed the API for asking for a session protection but
I omitted the TDLS flows. Fix that now.
Note that for the TDLS flow, we need to block until the
session protection actually starts, so add this option
to iwl_mvm_schedule_session_protection.
This patch fixes a firmware assert in the TDLS flow since
the old TIME_EVENT_CMD is not supported anymore by newer
firwmare versions.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Fixes: fe959c7b20 ("iwlwifi: mvm: use the new session protection command")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Fix a kernel panic by checking that the sta is not NULL.
This could happen during a reconfig flow, as mac80211 moves the sta
between all the states without really checking if the previous state was
successfully set. So, if for some reason we failed to add back the
station, subsequent calls to sta_state() callback will be done when the
station is NULL. This would result in a following panic:
BUG: unable to handle kernel NULL pointer dereference at
0000000000000040
IP: iwl_mvm_cfg_he_sta+0xfc/0x690 [iwlmvm]
[..]
Call Trace:
iwl_mvm_mac_sta_state+0x629/0x6f0 [iwlmvm]
drv_sta_state+0xf4/0x950 [mac80211]
ieee80211_reconfig+0xa12/0x2180 [mac80211]
ieee80211_restart_work+0xbb/0xe0 [mac80211]
process_one_work+0x1e2/0x610
worker_thread+0x4d/0x3e0
[..]
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
When a FTM request is aborted, the driver sends the abort command to
the fw and waits for a response. When the response arrives, the driver
calls cfg80211_pmsr_complete() for that request.
However, cfg80211 frees the requested data immediately after sending
the abort command, so this may lead to use after free.
Fix it by clearing the request data in the driver when the abort
command arrives and ignoring the fw notification that will come
afterwards.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Fixes: fc36ffda32 ("iwlwifi: mvm: support FTM initiator")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Till now, the driver asked the fw for a DTS measurement in automatic
mode. This triggered a flow in which the fw actively measured the
temperature. This is not needed anymore, as the fw performs
measurements by itself, without the driver triggering them, and the
current cadence in which the fw performs such measurements is
sufficient.
In addition, in some time-sensitive scenarios, in which the driver asks
the fw for an active measurement twice in a short time (<100ms), the fw
asserts with code 0x20100801.
Change the DTS measurement to _WITHOUT_MEASURE instead, so the fw will
respond with the last measurement it has performed.
Signed-off-by: Golan Ben Ami <golan.ben.ami@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
The IGTK keys are only removed by mac80211 after it has already
removed the AP station. This causes the driver to throw an error
because mac80211 is trying to remove the IGTK when the station doesn't
exist anymore.
The firmware is aware that the station has been removed and can deal
with it the next time we try to add an IGTK for a station, so we
shouldn't try to remove the key if the station ID is
IWL_MVM_INVALID_STA. Do this by removing the check for mvm_sta before
calling iwl_mvm_send_sta_igtk() and check return from that function
gracefully if the station ID is invalid.
Cc: stable@vger.kernel.org # 4.12+
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Use a unique name when registering a thermal zone. Otherwise, with
multiple NICS, we hit the following warning during the unregistration.
WARNING: CPU: 2 PID: 3525 at fs/sysfs/group.c:255
RIP: 0010:sysfs_remove_group+0x80/0x90
Call Trace:
dpm_sysfs_remove+0x57/0x60
device_del+0x5a/0x350
? sscanf+0x4e/0x70
device_unregister+0x1a/0x60
hwmon_device_unregister+0x4a/0xa0
thermal_remove_hwmon_sysfs+0x175/0x1d0
thermal_zone_device_unregister+0x188/0x1e0
iwl_mvm_thermal_exit+0xe7/0x100 [iwlmvm]
iwl_op_mode_mvm_stop+0x27/0x180 [iwlmvm]
_iwl_op_mode_stop.isra.3+0x2b/0x50 [iwlwifi]
iwl_opmode_deregister+0x90/0xa0 [iwlwifi]
__exit_compat+0x10/0x2c7 [iwlmvm]
__x64_sys_delete_module+0x13f/0x270
do_syscall_64+0x5a/0x110
entry_SYSCALL_64_after_hwframe+0x44/0xa9
Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This switches the iwlegacy driver to use celsius_to_kelvin() and
kelvin_to_celsius() in <linux/units.h>.
[akinobu.mita@gmail.com: fix build warnings with format string]
Link: http://lkml.kernel.org/r/1579014483-9226-1-git-send-email-akinobu.mita@gmail.com
Link: https://lore.kernel.org/r/20200106171452.201c3b4c@canb.auug.org.au
Link: http://lkml.kernel.org/r/1576386975-7941-10-git-send-email-akinobu.mita@gmail.com
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Cc: Kalle Valo <kvalo@codeaurora.org>
Cc: Stanislaw Gruszka <sgruszka@redhat.com>
Cc: Amit Kucheria <amit.kucheria@verdurent.com>
Cc: Andy Shevchenko <andy@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Hartmut Knaack <knaack.h@gmx.de>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Johannes Berg <johannes.berg@intel.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Keith Busch <kbusch@kernel.org>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Sujith Thomas <sujith.thomas@intel.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull networking updates from David Miller:
1) Add WireGuard
2) Add HE and TWT support to ath11k driver, from John Crispin.
3) Add ESP in TCP encapsulation support, from Sabrina Dubroca.
4) Add variable window congestion control to TIPC, from Jon Maloy.
5) Add BCM84881 PHY driver, from Russell King.
6) Start adding netlink support for ethtool operations, from Michal
Kubecek.
7) Add XDP drop and TX action support to ena driver, from Sameeh
Jubran.
8) Add new ipv4 route notifications so that mlxsw driver does not have
to handle identical routes itself. From Ido Schimmel.
9) Add BPF dynamic program extensions, from Alexei Starovoitov.
10) Support RX and TX timestamping in igc, from Vinicius Costa Gomes.
11) Add support for macsec HW offloading, from Antoine Tenart.
12) Add initial support for MPTCP protocol, from Christoph Paasch,
Matthieu Baerts, Florian Westphal, Peter Krystad, and many others.
13) Add Octeontx2 PF support, from Sunil Goutham, Geetha sowjanya, Linu
Cherian, and others.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1469 commits)
net: phy: add default ARCH_BCM_IPROC for MDIO_BCM_IPROC
udp: segment looped gso packets correctly
netem: change mailing list
qed: FW 8.42.2.0 debug features
qed: rt init valid initialization changed
qed: Debug feature: ilt and mdump
qed: FW 8.42.2.0 Add fw overlay feature
qed: FW 8.42.2.0 HSI changes
qed: FW 8.42.2.0 iscsi/fcoe changes
qed: Add abstraction for different hsi values per chip
qed: FW 8.42.2.0 Additional ll2 type
qed: Use dmae to write to widebus registers in fw_funcs
qed: FW 8.42.2.0 Parser offsets modified
qed: FW 8.42.2.0 Queue Manager changes
qed: FW 8.42.2.0 Expose new registers and change windows
qed: FW 8.42.2.0 Internal ram offsets modifications
MAINTAINERS: Add entry for Marvell OcteonTX2 Physical Function driver
Documentation: net: octeontx2: Add RVU HW and drivers overview
octeontx2-pf: ethtool RSS config support
octeontx2-pf: Add basic ethtool support
...
- remove ioremap_nocache given that is is equivalent to
ioremap everywhere
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Merge tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap
Pull ioremap updates from Christoph Hellwig:
"Remove the ioremap_nocache API (plus wrappers) that are always
identical to ioremap"
* tag 'ioremap-5.6' of git://git.infradead.org/users/hch/ioremap:
remove ioremap_nocache and devm_ioremap_nocache
MIPS: define ioremap_nocache to ioremap
Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.
Major changes:
ar5523
* add support for SMCWUSBT-G2 USB device
iwlwifi
* support new versions of the FTM FW APIs
* support new version of the beacon template FW API
* print some extra information when the driver is loaded
rtw88
* support wowlan feature for 8822c
* add support for WIPHY_WOWLAN_NET_DETECT
brcmfmac
* add initial support for monitor mode
qtnfmac
* add module parameter to enable DFS offloading in firmware
* add support for STA HE rates
* add support for TWT responder and spatial reuse
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Merge tag 'wireless-drivers-next-2020-01-26' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for v5.6
Second set of patches for v5.6. Nothing special standing out, smaller
new features and fixes allover.
Major changes:
ar5523
* add support for SMCWUSBT-G2 USB device
iwlwifi
* support new versions of the FTM FW APIs
* support new version of the beacon template FW API
* print some extra information when the driver is loaded
rtw88
* support wowlan feature for 8822c
* add support for WIPHY_WOWLAN_NET_DETECT
brcmfmac
* add initial support for monitor mode
qtnfmac
* add module parameter to enable DFS offloading in firmware
* add support for STA HE rates
* add support for TWT responder and spatial reuse
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The loop counter addr is a u16 where as the upper limit of the loop
is an int. In the unlikely event that the il->cfg->eeprom_size is
greater than 64K then we end up with an infinite loop since addr will
wrap around an never reach upper loop limit. Fix this by making addr
an int.
Addresses-Coverity: ("Infinite loop")
Fixes: be663ab670 ("iwlwifi: split the drivers for agn and legacy devices 3945/4965")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Stanislaw Gruszka <stf_xl@wp.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* Support new versions of the FTM FW APIs;
* Fix an old bug in D3 (WoWLAN);
* A couple of fixes/improvements in the receive-buffers code;
* Fix in the debugging where we were skipping one TXQ;
* Support new version of the beacon template FW API;
* Print some extra information when the driver is loaded;
* Some debugging infrastructure (aka. yoyo) updates;
* Support for a new HW version;
* Second phase of device configuration work started;
* Some clean-ups;
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Merge tag 'iwlwifi-next-for-kalle-2020-01-11' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
First set of patches intended for v5.6
* Support new versions of the FTM FW APIs;
* Fix an old bug in D3 (WoWLAN);
* A couple of fixes/improvements in the receive-buffers code;
* Fix in the debugging where we were skipping one TXQ;
* Support new version of the beacon template FW API;
* Print some extra information when the driver is loaded;
* Some debugging infrastructure (aka. yoyo) updates;
* Support for a new HW version;
* Second phase of device configuration work started;
* Some clean-ups;
Second set of fixes for v5.5. There are quite a few patches,
especially on iwlwifi, due to me being on a long break. Libertas also
has a security fix and mt76 a build fix.
iwlwifi
* don't send the PPAG command when PPAG is disabled, since it can cause problems
* a few fixes for a HW bug
* a fix for RS offload;
* a fix for 3168 devices where the NVM tables where the wrong tables were being read
* fix a couple of potential memory leaks in TXQ code
* disable L0S states in all hardware since our hardware doesn't
officially support them anymore (and older versions of the hardware
had instability in these states)
* remove lar_disable parameter since it has been causing issues for
some people who erroneously disable it
* force the debug monitor HW to stop also when debug is disabled,
since it sometimes stays on and prevents low system power states
* don't send IWL_MVM_RXQ_NSSN_SYNC notification due to DMA problems
libertas
* fix two buffer overflows
mt76
* build fix related to CONFIG_MT76_LEDS
* fix off by one in bitrates handling
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Merge tag 'wireless-drivers-2020-01-23' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers
Kalle Valo says:
====================
wireless-drivers fixes for v5.5
Second set of fixes for v5.5. There are quite a few patches,
especially on iwlwifi, due to me being on a long break. Libertas also
has a security fix and mt76 a build fix.
iwlwifi
* don't send the PPAG command when PPAG is disabled, since it can cause problems
* a few fixes for a HW bug
* a fix for RS offload;
* a fix for 3168 devices where the NVM tables where the wrong tables were being read
* fix a couple of potential memory leaks in TXQ code
* disable L0S states in all hardware since our hardware doesn't
officially support them anymore (and older versions of the hardware
had instability in these states)
* remove lar_disable parameter since it has been causing issues for
some people who erroneously disable it
* force the debug monitor HW to stop also when debug is disabled,
since it sometimes stays on and prevents low system power states
* don't send IWL_MVM_RXQ_NSSN_SYNC notification due to DMA problems
libertas
* fix two buffer overflows
mt76
* build fix related to CONFIG_MT76_LEDS
* fix off by one in bitrates handling
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 323ebb61e3 ("net: use listified RX for handling GRO_NORMAL
skbs") introduces batching of GRO_NORMAL packets in napi_frags_finish,
and commit 6570bc79c0 ("net: core: use listified Rx for GRO_NORMAL in
napi_gro_receive()") adds the same to napi_skb_finish. However,
dev_gro_receive (that is called just before napi_{frags,skb}_finish) can
also pass skbs to the networking stack: e.g., when the GRO session is
flushed, napi_gro_complete is called, which passes pp directly to
netif_receive_skb_internal, skipping napi->rx_list. It means that the
packet stored in pp will be handled by the stack earlier than the
packets that arrived before, but are still waiting in napi->rx_list. It
leads to TCP reorderings that can be observed in the TCPOFOQueue counter
in netstat.
This commit fixes the reordering issue by making napi_gro_complete also
use napi->rx_list, so that all packets going through GRO will keep their
order. In order to keep napi_gro_flush working properly, gro_normal_list
calls are moved after the flush to clear napi->rx_list.
iwlwifi calls napi_gro_flush directly and does the same thing that is
done by gro_normal_list, so the same change is applied there:
napi_gro_flush is moved to be before the flush of napi->rx_list.
A few other drivers also use napi_gro_flush (brocade/bna/bnad.c,
cortina/gemini.c, hisilicon/hns3/hns3_enet.c). The first two also use
napi_complete_done afterwards, which performs the gro_normal_list flush,
so they are fine. The latter calls napi_gro_receive right after
napi_gro_flush, so it can end up with non-empty napi->rx_list anyway.
Fixes: 323ebb61e3 ("net: use listified RX for handling GRO_NORMAL skbs")
Signed-off-by: Maxim Mikityanskiy <maximmi@mellanox.com>
Cc: Alexander Lobakin <alobakin@dlink.ru>
Cc: Edward Cree <ecree@solarflare.com>
Acked-by: Alexander Lobakin <alobakin@dlink.ru>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The purpose of this was to keep all the queues updated with
the Rx sequence numbers because unlikely yet possible
situations where queues can't understand if a specific
packet needs to be dropped or not.
Unfortunately, it was reported that this caused issues in
our DMA engine. We don't fully understand how this is related,
but this is being currently debugged. For now, just don't send
this notification to the Rx queues. This de-facto reverts my
commit 3c514bf831:
iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues
This issue was reported here:
https://bugzilla.kernel.org/show_bug.cgi?id=204873https://bugzilla.kernel.org/show_bug.cgi?id=205001
and others maybe.
Fixes: 3c514bf831 ("iwlwifi: mvm: add a loose synchronization of the NSSN across Rx queues")
CC: <stable@vger.kernel.org> # 5.3+
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
It is now possible to propagate BSS color settings into the subsystem. Lets
make mac80211 also handle them so that we can send them further down the
stack into the drivers. We drop the old bss_color field and change iwlwifi
to use the new he_bss_color struct.
Signed-off-by: John Crispin <john@phrozen.org>
Link: https://lore.kernel.org/r/20191217141921.8114-2-john@phrozen.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is a straight-forward conversion case for the new function, and
while we're at it, we can remove a null write to skb->next by replacing
it with skb_mark_not_on_list.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
We have a lot of mostly duplicated data structures that are repeated
only because the device name string is different. To avoid this, move
the string from the cfg to the trans structure and add it
independently from the rest of the configuration to the PCI mapping
tables.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Add a new device table that contains information that can be checked
at runtime in order to decide which configuration to use. This allows
us to map the full cfg independently from the tran-specific
configuration.
This is the first step in creating the new table. Subsequent patches
will add the possibility of checking different values at runtime in
order to make the decision.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
With the new concept of separating the trans-specific (trans_cfg) data
from the rest of the cfg, we will start mapping only the trans_cfg
part to the PCI device ID/subsystem device ID. So we can assume that
the data passed to the probe function contains the trans_cfg, but
since the full cfg still contains the trans_cfg at the beginning, we
can allow a full cfg to be passed as well. This makes it easier to
convert the existing tables one by one.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There are some unused register definitions, remove them.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
