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authorJiawen Wu <jiawenwu@trustnetic.com>2025-07-01 14:30:29 +0800
committerPaolo Abeni <pabeni@redhat.com>2025-07-03 11:51:40 +0200
commite37546ad1f9b2c777d3a21d7e50ce265ee3dece8 (patch)
treec0e0f6259b5a8cbfca4380e73a061f4678d04826 /scripts/lib/kdoc/kdoc_files.py
parentcc9f7f65cd2f31150b10e6956f1f0882e1bbae49 (diff)
net: wangxun: revert the adjustment of the IRQ vector sequence
Due to hardware limitations of NGBE, queue IRQs can only be requested on vector 0 to 7. When the number of queues is set to the maximum 8, the PCI IRQ vectors are allocated from 0 to 8. The vector 0 is used by MISC interrupt, and althrough the vector 8 is used by queue interrupt, it is unable to receive packets. This will cause some packets to be dropped when RSS is enabled and they are assigned to queue 8. So revert the adjustment of the MISC IRQ location, to make it be the last one in IRQ vectors. Fixes: 937d46ecc5f9 ("net: wangxun: add ethtool_ops for channel number") Cc: stable@vger.kernel.org Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Reviewed-by: Larysa Zaremba <larysa.zaremba@intel.com> Link: https://patch.msgid.link/20250701063030.59340-3-jiawenwu@trustnetic.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'scripts/lib/kdoc/kdoc_files.py')
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