eden-emu/mbedtls
15
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge branch 'iotssl-165-dtls-hs-fragmentation-new' into datagram_packing

Browse source
This commit is contained in:
Hanno Becker 2018-08-22 09:40:43 +01:00
commit 170e2d89da
4 changed files with 69 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

21
include/mbedtls/ssl.h
View file

@ -1395,23 +1395,28 @@ void mbedtls_ssl_set_bio( mbedtls_ssl_context *ssl,
* the maximum size datagram the DTLS layer will pass to the
* \c f_send() callback set using \c mbedtls_ssl_set_bio().
*
* \note The limit on datagram size is converted to a limit on
* record payload by subtracting the current overhead of
* encapsulation and encryption/authentication if any.
*
* \note This can be called at any point during the connection, for
* example when a PMTU estimate becomes available from other
* sources, such as lower (or higher) protocol layers.
*
* \note This only controls the size of the packets we send.
* Client-side, you can request the server to use smaller
* records with \c mbedtls_ssl_conf_max_frag_len().
* \note This setting only controls the size of the packets we send,
* and does not restrict the size of the datagrams we're
* willing to receive. Client-side, you can request the
* server to use smaller records with \c
* mbedtls_ssl_conf_max_frag_len().
*
* \note If both a MTU and a maximum fragment length have been
* configured (or negotiated with the peer), the resulting
* lower limit (after translating the MTU setting to a limit
* on the record content length) is used.
* lower limit on record payload (see first note) is used.
*
* \note This can only be used to decrease the maximum size
* of datagrams sent. It cannot be used to increase the
* maximum size of records over the limit set by
* #MBEDTLS_SSL_OUT_CONTENT_LEN.
* of datagrams (hence records, see first note) sent. It
* cannot be used to increase the maximum size of records over
* the limit set by #MBEDTLS_SSL_OUT_CONTENT_LEN.
*
* \note Values lower than the current record layer expansion will
* result in an error when trying to send data.