asconf: set last_control_chunk_from to null #661
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If we get ASCONF from a new address, i.e, we couldn't find the net, set last_control_chunk_from to null. This will force ASCONF processing to find the correct net later, else ASCONF_ACK ends up being sent to the net where the last control chunk (like COOKIE_ECHO/COOKIE_ACK) was received from.
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If we get ASCONF from a new address, i.e, we couldn't find the net,
set last_control_chunk_from to null. This will force ASCONF processing
to find the correct net later, else ASCONF_ACK ends up being sent
to the net where the last control chunk (like COOKIE_ECHO/COOKIE_ACK)
was received from.
Encountered this problem while working on https://datatracker.ietf.org/doc/draft-porfiri-tsvwg-sctp-natsupp/, where we want to send ASCONF from secondary addresses after a single homed session is setup.