Commit 800e00c1 authored by Marcelo Ricardo Leitner's avatar Marcelo Ricardo Leitner Committed by David S. Miller

sctp: move transport pathmtu calc away of sctp_assoc_add_peer

There was only one case that sctp_assoc_add_peer couldn't handle, which
is when SPP_PMTUD_DISABLE is set and pathmtu not initialized.
So add this situation to sctp_transport_route and reuse what was
already in there.
Signed-off-by: default avatarMarcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c45698f8
......@@ -652,15 +652,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
*/
peer->param_flags = asoc->param_flags;
sctp_transport_route(peer, NULL, sp);
/* Initialize the pmtu of the transport. */
if (peer->param_flags & SPP_PMTUD_DISABLE) {
if (asoc->pathmtu)
peer->pathmtu = asoc->pathmtu;
else
peer->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
sctp_transport_route(peer, NULL, sp);
/* If this is the first transport addr on this association,
* initialize the association PMTU to the peer's PMTU.
......
......@@ -310,8 +310,12 @@ void sctp_transport_route(struct sctp_transport *transport,
(transport == asoc->peer.active_path)))
opt->pf->to_sk_saddr(&transport->saddr,
asoc->base.sk);
} else
} else if ((transport->param_flags & SPP_PMTUD_DISABLE) &&
asoc && asoc->pathmtu) {
transport->pathmtu = asoc->pathmtu;
} else {
transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
}
/* Hold a reference to a transport. */
......
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