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sctp: Adjust PMTU updates to accomodate route invalidation.

Browse source 
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 <[email protected]>
This commit is contained in:
David S. Miller 2012-07-16 03:57:14 -07:00
commit 02f3d4ce9e
7 changed files with 22 additions and 14 deletions
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4
include/net/sctp/sctp.h
View file

@ -519,10 +519,10 @@ static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu)
return frag;
}
static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc)
static inline void sctp_assoc_pending_pmtu(struct sock *sk, struct sctp_association *asoc)
{
sctp_assoc_sync_pmtu(asoc);
sctp_assoc_sync_pmtu(sk, asoc);
asoc->pmtu_pending = 0;
}

4
include/net/sctp/structs.h
View file

@ -1091,7 +1091,7 @@ void sctp_transport_burst_limited(struct sctp_transport *);
void sctp_transport_burst_reset(struct sctp_transport *);
unsigned long sctp_transport_timeout(struct sctp_transport *);
void sctp_transport_reset(struct sctp_transport *);
void sctp_transport_update_pmtu(struct sctp_transport *, u32);
void sctp_transport_update_pmtu(struct sock *, struct sctp_transport *, u32);
void sctp_transport_immediate_rtx(struct sctp_transport *);
@ -2003,7 +2003,7 @@ void sctp_assoc_update(struct sctp_association *old,
__u32 sctp_association_get_next_tsn(struct sctp_association *);
void sctp_assoc_sync_pmtu(struct sctp_association *);
void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *);
void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int);
void sctp_assoc_rwnd_decrease(struct sctp_association *, unsigned int);
void sctp_assoc_set_primary(struct sctp_association *,