Transport pathmtu can not be updated, when PMTUD is disabled
and pathmtu is condigured as fixed. Unconditional update t->pathmtu
will result in overwriting parameter configured by user
and lack of GSO usage.
Signed-off-by: Jacek Szafraniec <jacek.szafraniec@xxxxxxxxx>
---
include/net/sctp/sctp.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 2c6570e..0569956 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -612,7 +612,7 @@ static inline bool sctp_transport_pmtu_check(struct sctp_transport *t)
{
__u32 pmtu = sctp_dst_mtu(t->dst);
- if (t->pathmtu == pmtu)
+ if (t->pathmtu == pmtu || t->param_flags & SPP_PMTUD_DISABLE)
return true;
t->pathmtu = pmtu;
--
2.10.2
