Chaining socket filters
Chaining socket filters
- Subject: Chaining socket filters
- From: Prokash Sinha <email@hidden>
- Date: Wed, 19 Sep 2018 13:31:26 -0700
Folks,
I’ve a question about the possibility of chaining socket filter. So assume I
have two socket filters, and I want to register them ( let’s say globally ).
Now I would assume they would be chained along with the existing ones ( if any
). Now what is the mechanism of hand-off ( For example, a shared ISR vector can
have multiple interrupts registered thru a chain. Or like multiple exception
handling registered in some stack fashion ).
So there are two returns to indicate, if the kernel continue thru the chain or
not.
Is it possible ? If so, then what would be the return indicator/value so that
the Network BF module can pass it along the chain. And what would be the value
to cut short ( of course without error, something like EJUSTRETURN ??? ).
Thanks,
Prokash
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