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Current struct hal_rx_phyrx_rssi_legacy_info in hal_rx.h is not matched
with hardware descriptor definition. This hardware descriptor definition
is determined by hardware. Host shall follow it.
So update struct hal_rx_phyrx_rssi_legacy_info and related code.
Both QCN9274 and WCN7850 need this modification.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241022110831.974-5-quic_kangyang@quicinc.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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Current struct hal_rx_ppdu_start in hal_rx.h is not matched with
hardware descriptor definition. This hardware descriptor definition
is determined by hardware. Host shall follow it.
So update struct hal_rx_ppdu_start and related code.
Both QCN9274 and WCN7850 need this modification.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Link: https://patch.msgid.link/20241022110831.974-4-quic_kangyang@quicinc.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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Current struct hal_rx_ppdu_end_user_stats in hal_rx.h is not matched
with hardware descriptor definition. This hardware descriptor definition
is determined by hardware. Host shall follow it.
So update struct hal_rx_ppdu_end_user_stats and related code.
Both QCN9274 and WCN7850 need this modification.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4
Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://patch.msgid.link/20241022110831.974-3-quic_kangyang@quicinc.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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Variable monitor_present is not used yet and will not be used in future
monitor mode. So delete it as cleanup.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Signed-off-by: Kang Yang <quic_kangyang@quicinc.com>
Link: https://patch.msgid.link/20241022110831.974-2-quic_kangyang@quicinc.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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This is one of only three -Wenum-compare-conditional warnings we get
in randconfig builds:
drivers/net/wireless/intel/iwlwifi/mvm/sta.c:4331:17: error: conditional expression between different enumeration types ('enum iwl_fw_sta_type' and 'enum iwl_sta_type') [-Werror,-Wenum-compare-conditional]
4331 | u32 type = mld ? STATION_TYPE_PEER : IWL_STA_LINK;
| ^ ~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~
This is a false positive since the code works as intended, but the
warning is otherwise sensible, so slightly rewrite it in order to
not trigger the warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://patch.msgid.link/20241018151841.3821671-1-arnd@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The current flow in _ieee80211_set_active_links() does not align with the
operational requirements of drivers that groups multiple hardware
under a single wiphy. These drivers (e.g ath12k) rely on channel
assignment to determine the appropriate hardware for each link. Without
this, the drivers cannot correctly establish the link interface.
Currently in _ieee80211_set_active_links(), after calling
drv_change_vif_links() on the driver, the state of all connected stations
is updated via drv_change_sta_links(). This is followed by handling keys
in the links, and finally, assigning the channel to the links.
Consequently, drv_change_sta_links() prompts drivers to create the station
entry at their level and within their firmware. However, since channels
have not yet been assigned to links at this stage, drivers have not
created the necessary link interface for establishing link stations,
leading to failures in activating the links.
Therefore, re-order the logic so that after drv_change_vif_links() and
removing the old links, channels are assigned to newly added links.
Following this, the flow proceeds to station handling.
Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Link: https://patch.msgid.link/20241001085034.2745669-1-quic_adisi@quicinc.com
[Johannes: fix iwlwifi to deal with the changes]
Reviewed-by: Miriam Rachel Korenblit <miriam.rachel.korenblit@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Instead of hrtimer_is_queued(), use hrtimer_active() since
it might be running concurrently, and then it's not queued
at that point in time, as suggested by Thomas Gleixner in
https://lore.kernel.org/87plqn5psu.ffs@tglx, I just never
got to this for ages.
I think the concurrency is otherwise fine since we'll get
to cancel if we're actually removing things, and otherwise
we just send a beacon at slightly the wrong time or so.
Reported-by: syzbot+41e4341f493f1155aa3d@syzkaller.appspotmail.com
Link: https://patch.msgid.link/20241011145230.5a4d38d4ff9b.Iac0ec316a0c9a7b2619abe52ddc8e04c25d8c7e1@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Preparation for allowing multiple monitor interfaces with different channels
on a multi-radio wiphy.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://patch.msgid.link/35fa652dbfebf93343f8b9a08fdef0467a2a02dc.1728462320.git-series.nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We require a message, but the macros shouldn't require a
formatted message, a constant one can be fine. Change the
macros to support that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.96e8554cb7a2.I0e06d8fd49f86bd4e9e216fc2265c43d7e78a095@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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iwl_mvm_sta_from_mac80211 can't return NULL.
Remove the check.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.5d6bab61c75e.I2cfa1669d4534bce9e9cfdace45f797005b71b9b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add a function for getting the error status and error
code for given error table.
Remove a static function of same purpose from mvm/d3.c
Signed-off-by: Yedidya Benshimol <yedidya.ben.shimol@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.610a38614ce6.Iab5f795bc30ce5d08550cff1772fe051527bcb95@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When resuming it can happen that the TX queue is flushed even though it
is entirely empty. This is completely fine and should not be causing an
error level log message.
Return early from reclaim in that case.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.7c152d0820be.I3ae39a9a470f47bfe4405f2e5c30327e157eb55f@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This is always set to 0.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.e1b6ab87c969.Ic623ab87cb2a22285cdbed99325fdfcfe439c7d4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When checking if extra LTF should be disabled, we don't need to check the
the HW revision.
sband_eht_cap will be NULL if eht_capa::has_eht is false,
and that will be the case for the HWs that don't support EHT.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.78b0adbb7b50.I630a64f06ca86baecde6a2a238733b7df3cf70e4@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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iwl_mvm_reorder() is already called within a rcu-read section.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.8f229e1b08b7.I31a371f635d84db300ad16ce6170cc07a8b154fb@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The last_amsdu field is not used and appears to be a leftover
from a previous implementation, remove it.
Signed-off-by: Daniel Gabay <daniel.gabay@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.13ba0eeae0fd.I94985512596e5996f5ab199451ce851c59a5a72a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Start supporting API version 94 for those devices.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.7ddabbd42131.Ib8bd35521a317c14b3a2a2e5983cf5bca5e8718b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The flags_mask field is becoming reserved, and a new bandwidth
request is being added for RX OMI purposes. Support the new API
version as preparation.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.437c6573df3c.I03612cb6cf47b12038c1db11b95a554cdea714e9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It can happen that more errors occur after a firmware assertion. In that
case, having another log message after the restart has completed makes
it easier to see which errors where still part of the restart flow.
Signed-off-by: Benjamin Berg <benjamin.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.d205dd88fb9d.Ic43a1b399f59d2ab1018ff2f9e6e3a0324692660@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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We still need the firmware to align
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.317f44628eb9.I3f6a735181c6c20e805b61e4f9d2056b7f90d7ea@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If we lose beacons and bss_param_ch_cnt gets updated on the other link,
we need to exit EMLSR earlier.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.9c5ad120b937.Ibdde0b3770d0821e802009d4684b617220dd6e1a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Implement the prep_add_interface() callback, so that in case
EMLSR is active and an AP or a P2P interface is do to be added,
EMLSR would be blocked.
Add a delayed work, so that in case that the interface was not
eventually added, EMLSR would be unblocked after 5 seconds.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241008072037.3baf282d0a01.Ife0a929455cb13a95ab197ca765d8db777ff9d89@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In order to update the right link information, call the update
rate_control_rate_update() with the right link_sta, and then
pass that through to the driver's sta_rc_update() method. The
software rate control still doesn't support it, but that'll be
skipped by not having a rate control ref.
Since it now operates on a link sta, rename the driver method.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.5851b6b5fd41.Ibdf50d96afa4b761dd9b9dfd54a1147e77a75329@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The name is misleading, this actually indicates that
ieee80211_chanctx_conf::min_def was updated.
Rename it to IEEE80211_CHANCTX_CHANGE_MIN_DEF.
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.726b5f12ae0c.I3bd9e594c9d2735183ec049a4c7224bd0a9599c9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In practice, userspace hasn't been able to set this for many
years, and mac80211 has already rejected it (which is now no
longer needed), so reject SMPS mode (other than "OFF" to be
a bit more compatible) in AP mode. Also remove the parameter
from the AP settings struct.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20241007144851.fe1fc46484cf.I8676fb52b818a4bedeb9c25b901e1396277ffc0b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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While using "return" when calling a void returning function inside a
function that returns void doesn't cause a compiler warning, it looks
weird. Convert the bunch of if() statements to a switch() and remove
these return statements.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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xpcs_config_usxgmii() is only called from the xpcs_link_up() method, so
let's name it similarly to the SGMII and 1000BASEX functions.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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xpcs_link_up_sgmii() and xpcs_link_up_1000basex() are almost identical
with the exception of checking the speed and duplex for 1000BASE-X.
Combine the two functions.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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We can now see that we have an open-coded version of
mii_bmcr_encode_fixed() when this is called with SPEED_1000:
val = BMCR_SPEED1000;
if (duplex == DUPLEX_FULL)
val |= BMCR_FULLDPLX;
Replace this with a call to mii_bmcr_encode_fixed().
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Rearrange xpcs_link_up_1000basex() to make it more obvious what will
happen in the following commit.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Remove an unnecessary switch() statement in xpcs_link_up_1000basex().
The only value this switch statement is interested in is SPEED_1000,
all other values lead to an error. Replace this with a simple if()
statement.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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As a general policy, we refer our generic register definitions over
vendor specific definitions. In XPCS, it appears that the register
layout follows a BMCR, BMSR and ADVERTISE register definition. We
already refer to this BMCR register using several different macros
which is confusing.
Convert the following register definitions to generic versions:
DW_VR_MII_MMD_CTRL => MII_BMCR
MDIO_CTRL1 => MII_BMCR
AN_CL37_EN => BMCR_ANENABLE
SGMII_SPEED_SS6 => BMCR_SPEED1000
SGMII_SPEED_SS13 => BMCR_SPEED100
MDIO_CTRL1_RESET => BMCR_RESET
DW_VR_MII_MMD_STS => MII_BMSR
DW_VR_MII_MMD_STS_LINK_STS => BMSR_LSTATUS
DW_FULL_DUPLEX => ADVERTISE_1000XFULL
iDW_HALF_DUPLEX => ADVERTISE_1000XHALF
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Tested-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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It was reported that after resume from suspend a PCI error is logged
and connectivity is broken. Error message is:
PCI error (cmd = 0x0407, status_errs = 0x0000)
The message seems to be a red herring as none of the error bits is set,
and the PCI command register value also is normal. Exception handling
for a PCI error includes a chip reset what apparently brakes connectivity
here. The interrupt status bit triggering the PCI error handling isn't
actually used on PCIe chip versions, so it's not clear why this bit is
set by the chip. Fix this by ignoring this bit on PCIe chip versions.
Fixes: 0e4851502f84 ("r8169: merge with version 8.001.00 of Realtek's r8168 driver")
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=219388
Tested-by: Atlas Yu <atlas.yu@canonical.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/78e2f535-438f-4212-ad94-a77637ac6c9c@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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npinfo is not used in any of the ndo_netpoll_setup() methods.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20241018052108.2610827-1-edumazet@google.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Commit 02b34d03a24b ("netdevsim: add dummy macsec offload") pads u64
number to 8 characters using "%08llx" format specifier.
Changing format specifier to "%016llx" ensures that no matter the value
the representation of number in log is always the same length.
Before this patch, entry in log for value '1' would say:
removing SecY with SCI 00000001 at index 2
After this patch is applied, entry in log will say:
removing SecY with SCI 0000000000000001 at index 2
Signed-off-by: Ales Nezbeda <anezbeda@redhat.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://patch.msgid.link/20241017131933.136971-1-anezbeda@redhat.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Allows simplifying get_strings and avoids manual pointer manipulation.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Message-ID: <20241018200522.12506-1-rosenp@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Add support for reading SFP module info and digital diagnostic
monitoring data if supported by the module. The only Aquantia
controller without an integrated PHY is the AQC100 which belongs to
the B0 revision, that's why it's only implemented there.
The register information was extracted from a diagnostic tool made
publicly available by Dell, but all code was written from scratch by me.
This has been tested to work with a variety of both optical and direct
attach modules I had lying around and seems to work fine with all of
them, including the diagnostics if supported by an optical module.
All tests have been done with an AQC100 on an TL-NT521F card on firmware
version 3.1.121 (current at the time of this patch).
Signed-off-by: Lorenz Brun <lorenz@brun.one>
Reviewed-by: Simon Horman <horms@kernel.org>
Message-ID: <20241018171721.2577386-1-lorenz@brun.one>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Add error pointer check after calling otx2_mbox_get_rsp().
Fixes: 8e67558177f8 ("octeontx2-pf: PFC config support with DCBx")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Add error pointer checks after calling otx2_mbox_get_rsp().
Fixes: 79d2be385e9e ("octeontx2-pf: offload DMAC filters to CGX/RPM block")
Fixes: fa5e0ccb8f3a ("octeontx2-pf: Add support for exact match table.")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Add error pointer check after calling otx2_mbox_get_rsp().
Fixes: 2ca89a2c3752 ("octeontx2-pf: TC_MATCHALL ingress ratelimiting offload")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Adding error pointer check after calling otx2_mbox_get_rsp().
Fixes: 9917060fc30a ("octeontx2-pf: Cleanup flow rule management")
Fixes: f0a1913f8a6f ("octeontx2-pf: Add support for ethtool ntuple filters")
Fixes: 674b3e164238 ("octeontx2-pf: Add additional checks while configuring ucast/bcast/mcast rules")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Add error pointer check after calling otx2_mbox_get_rsp().
Fixes: 75f36270990c ("octeontx2-pf: Support to enable/disable pause frames via ethtool")
Fixes: d0cf9503e908 ("octeontx2-pf: ethtool fec mode support")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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Add error pointer check after calling otx2_mbox_get_rsp().
Fixes: ab58a416c93f ("octeontx2-pf: cn10k: Get max mtu supported from admin function")
Signed-off-by: Dipendra Khadka <kdipendra88@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
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If there is an error during some initialization related to firmware,
the buffers dp->tx_ring[i].tx_status are released.
However this is released again when the device is unbinded (ath12k_pci),
and we get:
WARNING: CPU: 0 PID: 2098 at mm/slub.c:4689 free_large_kmalloc+0x4d/0x80
Call Trace:
free_large_kmalloc
ath12k_dp_free
ath12k_core_deinit
ath12k_pci_remove
...
The issue is always reproducible from a VM because the MSI addressing
initialization is failing.
In order to fix the issue, just set the buffers to NULL after releasing in
order to avoid the double free.
cc: stable@vger.kernel.org
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Link: https://patch.msgid.link/20241017181004.199589-3-jtornosm@redhat.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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If there is an error during some initialization related to firmware,
the function ath12k_dp_cc_cleanup is called to release resources.
However this is released again when the device is unbinded (ath12k_pci),
and we get:
BUG: kernel NULL pointer dereference, address: 0000000000000020
at RIP: 0010:ath12k_dp_cc_cleanup.part.0+0xb6/0x500 [ath12k]
Call Trace:
ath12k_dp_cc_cleanup
ath12k_dp_free
ath12k_core_deinit
ath12k_pci_remove
...
The issue is always reproducible from a VM because the MSI addressing
initialization is failing.
In order to fix the issue, just set to NULL the released structure in
ath12k_dp_cc_cleanup at the end.
cc: stable@vger.kernel.org
Fixes: d889913205cf ("wifi: ath12k: driver for Qualcomm Wi-Fi 7 devices")
Signed-off-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com>
Link: https://patch.msgid.link/20241017181004.199589-2-jtornosm@redhat.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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Currently, when ath12k retrieves values from the structure
rx_msdu_end_wcn7850, the information obtained is incorrect. This is because
the definition of the rx_msdu_end_wcn7850 structure in ath12k is incorrect.
In fact, the rx_msdu_end structure used by WCN7850 is the same as the
rx_msdu_end structure of QCN9274.
Commit ed823fd113b7 ("wifi: ath12k: add msdu_end structure for WCN7850")
introduced this structure. The original issue trying to be fixed with that
commit is that the TID information retrieved from the rx_msdu_end structure
was incorrect, and it was thought that the structure wasn't correct, so a
supposedly correct structure was introduced. However it was subsequently
discovered that the TID information is only guaranteed to be valid in the
rx_msdu_start structure, so that commit added the logic to retrieve the TID
from the rx_msdu_start, but unfortunately kept the rx_msdu_end_wcn7850
structure.
To address this issue, revert the code related to the rx_msdu_end_wcn7850
structure, retaining the TID retrieval logic.
This patch does not affect QCN9274.
Tested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0.c5-00481-QCAHMTSWPL_V1.0_V2.0_SILICONZ-3
Fixes: ed823fd113b7 ("wifi: ath12k: add msdu_end structure for WCN7850")
Signed-off-by: Lingbo Kong <quic_lingbok@quicinc.com>
Link: https://patch.msgid.link/20241008093039.11076-1-quic_lingbok@quicinc.com
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
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Refactor the send_msg_fragmented() function by extracting the logic for
sending the message body into a new function called
send_fragmented_body().
Now, send_msg_fragmented() handles appending the release and header, and
then delegates the task of breaking up the body and sending the
fragments to send_fragmented_body().
This is the final flow now:
When send_ext_msg_udp() is called to send a message, it will:
- call send_msg_no_fragmentation() if no fragmentation is needed
or
- call send_msg_fragmented() if fragmentation is needed
* send_msg_fragmented() appends the header to the buffer, which is
be persisted until the function returns
* call send_fragmented_body() to iterate and populate the body of
the message. It will not touch the header, and it will only
replace the body, writing the msgbody and/or userdata.
Also add some comment to make the code easier to review.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Do not pass userdata to send_msg_fragmented, since we can get it later.
This will be more useful in the next patch, where send_msg_fragmented()
will be split even more, and userdata is only necessary in the last
function.
Suggested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Refactor the code by extracting the logic for appending the
release into the buffer into a separate function.
The goal is to reduce the size of send_msg_fragmented() and improve
code readability.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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The current check to determine if the message body was fully sent is
difficult to follow. To improve clarity, introduce a variable that
explicitly tracks whether the message body (msgbody) has been completely
sent, indicating when it's time to begin sending userdata.
Additionally, add comments to make the code more understandable for
others who may work with it.
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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