[SCM] GNU gnutls branch, master, updated. gnutls_3_0_18-177-g6259978

[Nikos Mavrogiannopoulos]

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- Log -----------------------------------------------------------------
commit 6259978aef726402104ab0950b8f460bf3d27331
Author: David Woodhouse <address@hidden>
Date:   Fri Jun 29 22:08:24 2012 +0100

    Fix documentation for gnutls_dtls_set_mtu()
    
    It *isn't* the interface MTU, it's the transport MTU.
    
    Signed-off-by: Nikos Mavrogiannopoulos <address@hidden>

-----------------------------------------------------------------------

Summary of changes:
 lib/gnutls_dtls.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/lib/gnutls_dtls.c b/lib/gnutls_dtls.c
index e798b27..bd3c637 100644
--- a/lib/gnutls_dtls.c
+++ b/lib/gnutls_dtls.c
@@ -570,10 +570,13 @@ void gnutls_dtls_set_timeouts (gnutls_session_t session, 
unsigned int retrans_ti
 /**
  * gnutls_dtls_set_mtu:
  * @session: is a #gnutls_session_t structure.
- * @mtu: The maximum transfer unit of the interface
+ * @mtu: The maximum transfer unit of the transport
  *
- * This function will set the maximum transfer unit of the interface
- * that DTLS packets are expected to leave from.
+ * This function will set the maximum transfer unit of the transport
+ * that DTLS packets are sent over. Note that this should exclude
+ * the IP (or IPv6) and UDP headers. So for DTLS over IPv6 on an
+ * Ethenet device with MTU 1500, the DTLS MTU set with this function
+ * would be 1500 - 40 (IPV6 header) - 8 (UDP header) = 1452.
  *
  * Since: 3.0
  **/


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