Unordered idata process is more complicated than unordered data:
- It has to add mid into sctp_stream_out to save the next mid value,
which is separated from ordered idata's.
- To support pd for unordered idata, another mid and pd_mode need to
be added to save the message id and pd state in sctp_stream_in.
- To make unordered idata reasm easier, it adds a new event queue
to save frags for idata.
The patch mostly adds the samilar reasm functions for unordered idata
as ordered idata's, and also adjusts some other codes on assign_mid,
abort_pd and ulpevent_data for idata.
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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