Attention is currently required from: fixeria, laforge, lynxis lazus, pespin.

fixeria uploaded patch set #7 to the change originally created by pespin.

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The following approvals got outdated and were removed: Code-Review+1 by laforge, Verified+1 by Jenkins Builder

s1ap_proxy: Support replying errors

Sometimes it is needed not only to forward, but to transmit messages
initiated at the S1GW. This is the case, for instance, if the MME
wants to initiate an E-RAB establishment, but the co-located UPF is
not available at the time or responds with an error.

This patch adds the generic infrastructure to be able to reply
(errors) and implements the above mentioned specific case for
the S1AP E-RAB SETUP REQUEST procedure.

Change-Id: I242e84fb09b00f4794b6e1aa770f348a0e60aea4
---
M src/s1ap_proxy.erl
M src/sctp_proxy.erl
M test/s1ap_proxy_test.erl
3 files changed, 281 insertions(+), 147 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/erlang/osmo-s1gw refs/changes/24/37924/7

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Gerrit-MessageType: newpatchset
Gerrit-Project: erlang/osmo-s1gw
Gerrit-Branch: master
Gerrit-Change-Id: I242e84fb09b00f4794b6e1aa770f348a0e60aea4
Gerrit-Change-Number: 37924
Gerrit-PatchSet: 7
Gerrit-Owner: pespin <pespin@sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: fixeria <vyanitskiy@sysmocom.de>
Gerrit-Reviewer: laforge <laforge@osmocom.org>
Gerrit-Reviewer: lynxis lazus <lynxis@fe80.eu>
Gerrit-Attention: laforge <laforge@osmocom.org>
Gerrit-Attention: pespin <pespin@sysmocom.de>
Gerrit-Attention: fixeria <vyanitskiy@sysmocom.de>
Gerrit-Attention: lynxis lazus <lynxis@fe80.eu>