gnutls_dtls_set_data_mtu(3) gnutls gnutls_dtls_set_data_mtu(3)
NAME
gnutls_dtls_set_data_mtu - API function
SYNOPSIS
#include <gnutls/dtls.h>
int gnutls_dtls_set_data_mtu(gnutls_session_t session, unsigned int
mtu);
ARGUMENTS
gnutls_session_t session
is a gnutls_session_t type.
unsigned int mtu
The maximum unencrypted transfer unit of the session
DESCRIPTION
This function will set the maximum size of the *unencrypted* records
which will be sent over a DTLS session. It is equivalent to calculating
the DTLS packet overhead with the current encryption parameters, and
calling gnutls_dtls_set_mtu() with that value. In particular, this
means that you may need to call this function again after any negotia-
tion or renegotiation, in order to ensure that the MTU is still suffi-
cient to account for the new protocol overhead.
In most cases you only need to call gnutls_dtls_set_mtu() with the max-
imum MTU of your transport layer.
RETURNS
GNUTLS_E_SUCCESS (0) on success, or a negative error code.
SINCE
3.1
REPORTING BUGS
Report bugs to <bugs@gnutls.org>.
Home page: https://www.gnutls.org
COPYRIGHT
Copyright © 2001- Free Software Foundation, Inc., and others.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright no-
tice and this notice are preserved.
SEE ALSO
The full documentation for gnutls is maintained as a Texinfo manual.
If the /usr/share/doc/gnutls/ directory does not contain the HTML form
visit
https://www.gnutls.org/manual/
gnutls 3.7.3 gnutls_dtls_set_data_mtu(3)
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