What was decision of supporting IPC for ODP? Should I update IPC patches
on the latest ODP now?
In the latest IPC patch as I remember IPC was done on pktio level:
a) odp pool is shared between 2 processes with shared consumer/producer
paths for odp_buffer_t descriptors.
2) producer process adds odp_buffer_t to producer path.
3) consumer process reads odp_buffer_t from producer path, and
translates it to it's own odp_buffer_t.
4) After some work consumer thread puts odp_buffer_t to producer path.
So that control of the packet is back to first process and first process
can free this packet from the pool.
I.e. in fact that exchange between processes is done with odp_buffer_t
handlers and no packet body coping. That is mostly description of
software path, i.e. linux-generic.
I need ipc for things like snort (single threaded app) and I think that
the same way can be used for virtualization.
Best regards,
Maxim.
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