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If the rx payload length check fails, or if kmemdup() fails,
we still need to free the command response. Fix that.
Fixes: 21254908cbe9 ("iwlwifi: mvm: add RFI-M support")
Co-authored-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240319100755.db2fa0196aa7.I116293b132502ac68a65527330fa37799694b79c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This feature depends on a platform bugfix. Until we have a
mechanism that can verify a platform has the required bugfix,
disable RFI.
Fixes: ef3ed33dfc8f ("wifi: iwlwifi: bump FW API to 77 for AX devices")
Reported-by: Jeff Chua <jeff.chua.linux@gmail.com>
Link: https://lore.kernel.org/linux-wireless/CAAJw_ZvZdFpw9W2Hisc9c2BAFbYAnQuaFFaFG6N7qPUP2fOL_w@mail.gmail.com/
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Fix memdup.cocci warning:
./drivers/net/wireless/intel/iwlwifi/mvm/rfi.c:110:8-15: WARNING
opportunity for kmemdup
Signed-off-by: Bixuan Cui <cuibixuan@linux.alibaba.com>
Link: https://lore.kernel.org/r/1635317920-84725-1-git-send-email-cuibixuan@linux.alibaba.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Sometimes RFIm can be deactivated in FW due to internal
errors. In this case, FW will send a notification to the
driver about that. Add a log message in this case since
FW logs are not always available.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20220205112029.48d0a1624fec.I8f9271959fc53223fa329ab097b12fd69b498b71@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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After some lab experimentation with different DDRs, need
to update the table. Also, arrange it by frequency and not
by DDR type since now the table contains a super-set of all
possible conflicts.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211210090244.6f2fca102739.I8b5e37a00c50b7b51f7d377216dde91e71faffba@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Fixes the following W=1 kernel build warning:
drivers/net/wireless/intel/iwlwifi/mvm/rfi.c:11: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
[removed the static const fix, since it's already done and
updated the commit message accordingly.]
Link: https://lore.kernel.org/r/20210517050141.61488-7-shenyang39@huawei.com
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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GCC reports warning as follows:
drivers/net/wireless/intel/iwlwifi/mvm/rfi.c:14:1: warning:
'static' is not at beginning of declaration [-Wold-style-declaration]
14 | const static struct iwl_rfi_lut_entry iwl_rfi_table[IWL_RFI_LUT_SIZE] = {
| ^~~~~
Move static to the beginning of declaration.
Fixes: 21254908cbe9 ("iwlwifi: mvm: add RFI-M support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210802172232.f60b39bbb0c0.I8b0ad9105003d13cc4aa64fc957aec9582e8b26d@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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The mutex is already locked in iwl_mvm_mac_start.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Fixes: 21254908cbe9 ("iwlwifi: mvm: add RFI-M support")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20210326125611.703288ea058d.I82a0312389032d07c3b478bef3e938e06bfa7df6@changeid
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RF Interference Mitigation is a new feature targeted to handle the
problem of interference between DDR memory and WiFi. The role of
the driver is to configure FW with the table holding a mapping
between problematic channels/bands and the corresponding frequencies.
This patch adds RFI infrastructure and adds two debugfs hooks:
- send RFI configuration command (currently with a default table) which
will reset feature in the FW
- read the table, used by the FW (which can be a subset of the table
that driver sent).
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210210171218.2cea55a09bc7.I634b79795abad499ce442631d6672ffef8fc6d41@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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