Dears I am writing a controller application and I want to set the metadata filed. But I am wondering which value shall I set the metadata_mask ?
I find this comment here <https://sites.google.com/a/ncsu.edu/qualityofprotection/home/openflow> Write-Metadata metadata / mask: Writes the masked metadata value into the metadata field. The mask specifies which bits of the metadata register should be modified (i.e. new metadata = old metadata & ~mask | value & mask). For my case I want to set it regardless the old content so what should be the value of the mask ? Thanks in advance.
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