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sctp: Adjust PMTU updates to accomodate route invalidation.

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This adjusts the call to dst_ops->update_pmtu() so that we can
transparently handle the fact that, in the future, the dst itself can
be invalidated by the PMTU update (when we have non-host routes cached
in sockets).

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2012-07-16 03:57:14 -07:00
parent 35ad9b9cf7
commit 02f3d4ce9e
7 changed files with 22 additions and 14 deletions
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4
net/sctp/input.c
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@@ -408,10 +408,10 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
if (t->param_flags & SPP_PMTUD_ENABLE) {
/* Update transports view of the MTU */
sctp_transport_update_pmtu(t, pmtu);
sctp_transport_update_pmtu(sk, t, pmtu);
/* Update association pmtu. */
sctp_assoc_sync_pmtu(asoc);
sctp_assoc_sync_pmtu(sk, asoc);
}
/* Retransmit with the new pmtu setting.