Anyone have any hints as to why the included code fails to work?
Seems to me it should just pass through all the packets, setting the
appropriate LEDs.
Anything obvious I’ve missed?
TIA
Chris
BPC Software Group <bpc_sw@hotmail.com> wrote in message
news:9u0tji$n9v$1@inn.qnx.com…
Folks,
I have a couple of questions about io-net. I’m working on a filter. My
filter will be a shared object that gets mounted into io-net. Is the
driver
that drives the ethernet chipset also a shared object? What I’m getting
at
is that if both of these things run in io-net’s context, when the driver
calls it’s tx_up() my rx_up() gets called. There is no context switching
going on, just a function call or two, right?
Next question. Does io-net provide each module’s function handles to the
other modules? In other words, when the driver calls tx_up() is it
actually
calling the rx_up() function of the next layer up ( my filter in this
case )? In that model, there would only be one function call overhead to
exchange packets from one layer to the next. Or is it the case that
tx_up()
is sending things into io-net, which then figures out who’s rx_up() to
call
with the same data? This would indicate (slightly) more overhead.
TIA!
Chris
\
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`
end