2 files changed, 14 insertions, 1 deletions

diff --git a/include/net/af_rxrpc.h b/include/net/af_rxrpc.h
index de587948042a..1adefe42c0a6 100644
--- a/include/net/af_rxrpc.h
+++ b/include/net/af_rxrpc.h
@@ -77,7 +77,8 @@ int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *,
                             struct sockaddr_rxrpc *, struct key *);
 int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *,
                             enum rxrpc_call_completion *, u32 *);
-u32 rxrpc_kernel_check_life(struct socket *, struct rxrpc_call *);
+u32 rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
+void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
 bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
                                  ktime_t *);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 8c2caa370e0f..ab9242e51d9e 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -608,4 +608,16 @@ static inline __u32 sctp_dst_mtu(const struct dst_entry *dst)
                                  SCTP_DEFAULT_MINSEGMENT));
 }
 
+static inline bool sctp_transport_pmtu_check(struct sctp_transport *t)
+{
+        __u32 pmtu = sctp_dst_mtu(t->dst);
+
+        if (t->pathmtu == pmtu)
+                return true;
+
+        t->pathmtu = pmtu;
+
+        return false;
+}
+
 #endif /* __net_sctp_h__ */