tree e8b1391140e04dbbfa3d3300e53070e0ff2c5468
parent b2647f71350a8c9b2bc9b6626e4b4c4ec4d1a274
author Harald Welte <laforge@osmocom.org> 1607352837 +0100
committer Harald Welte <laforge@osmocom.org> 1607352920 +0100

NS_Emulation: Tolerate late NS-BLOCK-ACK / NS-UNBLOCK-ACK

Particularly in case both sides initiate a BLOCK or UNBLOCK procedure
at almost the same time, it can happen thet we're already in BLOCKED
state and receive a late BLOCK-ACK or in UNBLOCKED state and receive a
late UNBLOCK-ACK.

Let's just silently discard them instaed of generating NS-STATUS which
may confuse the peer.

Change-Id: I2e5b934e1cf6c6cf982d5ab1dbb32e8920b91071