145     session->mtu = endpoint->default_mtu;  in coap_make_session()
147     session->mtu = COAP_DEFAULT_MTU;  in coap_make_session()
150     if (session->tls_overhead >= session->mtu) {  in coap_make_session()
151       session->tls_overhead = session->mtu;  in coap_make_session()
253   size_t max_with_header = (size_t)(session->mtu - session->tls_overhead);  in coap_session_max_pdu_size()
273 void coap_session_set_mtu(coap_session_t *session, unsigned mtu) {  in coap_session_set_mtu()  argument
275   if (mtu > COAP_MAX_MESSAGE_SIZE_TCP16 + 4)  in coap_session_set_mtu()
276     mtu = COAP_MAX_MESSAGE_SIZE_TCP16 + 4;  in coap_session_set_mtu()
278   session->mtu = mtu;  in coap_session_set_mtu()
279   if (session->tls_overhead >= session->mtu) {  in coap_session_set_mtu()
280     session->tls_overhead = session->mtu;  in coap_session_set_mtu()
366   if (session->mtu == 0)  in coap_session_send_csm()
367     session->mtu = COAP_DEFAULT_MTU;  /* base value */  in coap_session_send_csm()
420     if (session->tls_overhead >= session->mtu) {  in coap_session_connected()
421       session->tls_overhead = session->mtu;  in coap_session_connected()
1390 void coap_endpoint_set_default_mtu(coap_endpoint_t *ep, unsigned mtu) {  in coap_endpoint_set_default_mtu()  argument
1391   ep->default_mtu = (uint16_t)mtu;  in coap_endpoint_set_default_mtu()