d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

cryptodev: add comments for DOCSIS protocol

Browse Source 
Add a note to the rte_crypto_sym_op->auth.data fields to state that
for DOCSIS security protocol, these are used to specify the offset and
length of data over which the CRC is calculated.

Signed-off-by: David Coyle <david.coyle@intel.com>
Signed-off-by: Mairtin o Loingsigh <mairtin.oloingsigh@intel.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
Acked-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
This commit is contained in:
David Coyle 2020-07-03 13:39:28 +01:00 committed by Akhil Goyal
parent e44b3faf85
commit 15bb21aa60
1 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
lib/librte_cryptodev/rte_crypto_sym.h
View File

@ -705,6 +705,14 @@ struct rte_crypto_sym_op {
* For KASUMI @ RTE_CRYPTO_AUTH_KASUMI_F9,
* this offset should be such that
* data to authenticate starts at COUNT.
*
* @note
* For DOCSIS security protocol, this
* offset is the DOCSIS header length
* and, therefore, also the CRC offset
* i.e. the number of bytes into the
* packet at which CRC calculation
* should begin.
*/
uint32_t length;
/**< The message length, in bytes, of the source
@ -723,6 +731,12 @@ struct rte_crypto_sym_op {
* the length should include the COUNT,
* FRESH, message, direction bit and padding
* (to be multiple of 8 bits).
*
* @note
* For DOCSIS security protocol, this
* is the CRC length i.e. the number of
* bytes in the packet over which the
* CRC should be calculated
*/
} data;
/**< Data offsets and length for authentication */