[dpdk-dev] [PATCH v6 1/2] lib/security: add support for get userdata

[Akhil Goyal]

On 12/18/2017 12:45 PM, Anoob Joseph wrote:
> In case of inline protocol processed ingress traffic, the packet may not
> have enough information to determine the security parameters with which
> the packet was processed. In such cases, application could get metadata
> from the packet which could be used to identify the security parameters
> with which the packet was processed.
> 
> Application could register "userdata" with the security session, and
> this could be retrieved from the metadata of inline processed packets.
> The metadata returned by "rte_security_get_pkt_metadata()" will be
> device specific. Also the driver is expected to return the application
> registered "userdata" as is, without any modifications.
> 
> Signed-off-by: Anoob Joseph <anoob.joseph at caviumnetworks.com>
> ---
> v6:
> * The file *_version.map needs APIs to be in alphabetical order. Fixed this
>    for the new API added.
> 
> v5:
> * No change
> 
> v4:
> * Documented the usage of rte_mbuf.udata64 field by security library
> * Removed (rte_security_get_pkt_metadata() API as the udata64 field itself
>    will have device-specific metadata, and could be directly used
> 
> v3:
> * Replaced 64 bit metadata in conf with (void *)userdata
> * The API(rte_security_get_pkt_metadata) would return void * instead of
>    uint64_t
> 
> v2:
> * Replaced get_session and get_cookie APIs with get_pkt_metadata API
> 
>   doc/guides/prog_guide/rte_security.rst       | 22 +++++++++++++++++++++-
>   lib/librte_security/rte_security.c           | 12 ++++++++++++
>   lib/librte_security/rte_security.h           | 20 ++++++++++++++++++++
>   lib/librte_security/rte_security_driver.h    | 18 ++++++++++++++++++
>   lib/librte_security/rte_security_version.map |  1 +
>   5 files changed, 72 insertions(+), 1 deletion(-)
> 
library Patch
Acked-by: Akhil Goyal <akhil.goyal at nxp.com>