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l2tplac: fast-forward session that triggered tunnel creation

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Previously, when we got a call to be forwarded to another LNS and we didn't
have a tunnel to it yet, we would wait for a PAP/CHAP re-send to trigger the
creation of a session in the fresh tunnel. We do not have to wait, we can
trigger that on SCCCN ack.
This commit is contained in:
Samuel Thibault 2025-03-09 17:08:13 +01:00
parent b409fb7b9d
commit b5c198ae87
3 changed files with 14 additions and 1 deletions
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7
l2tpns.c
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@ -4289,6 +4289,13 @@ void processudp(uint8_t *buf, int len, struct sockaddr_in *addr, uint16_t indexu
LOG(3, s, t, "REMOTE LNS acked our SCCCN %d\n", tunn_local[t].scccn);
tunn_local[t].scccn = -1;
tunnel[t].state = TUNNELOPEN;
if (tunn_local[t].initialsession)
{
// Forward the call that triggered the tunnel creation
lac_create_session(t, tunn_local[t].initialsession, tunn_local[t].initialuser);
tunn_local[t].initialsession = 0;
}
}
}
if (l)