lock tx/rx/cq/fq for multi thread (multi Connection) #4291
Merged
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Description
secnetperf 100 connections test caused system to completely hang. It requires to reboot the system.
Each ring need to be locked when accessed by multi thread as it is single producer and single consumer.
https://www.kernel.org/doc/html/v5.18/networking/af_xdp.html#rings
Testing
see automation.
secnetperf 100 connections test can avoid the crash. locally tested several times. (There is segfault yet sometimes.)
Documentation
Is there any documentation impact for this change?