On Thu, 17 Nov 2022 19:28:12 +0530 venkatesh bs <venki....@gmail.com> wrote:
> Hi DPDK Team, > > After the ACL match for highest priority DPDK Classification API returns > User Data Which is as mentioned below in the document. > > 53. Packet Classification and Access Control — Data Plane Development Kit > 22.11.0-rc2 documentation (dpdk.org) > > > - *userdata*: A user-defined value. For each category, a successful > match returns the userdata field of the highest priority matched rule. When > no rules match, returned value is zero > > I Wonder Why User Data Support does not returns 64 bit values, Always its > possible that User Data in Application Can be 64bit long, But since 64 bit > User data can't be returned by DPDK ACL Library, Application should have > the conversion algorithm from 64 to 32 bit during Rule add and vice versa > after classification. > > I Wonder if anyone would have faced this issue, Please suggest any > suggestions if somewhere am wrong in understanding/Possible Solution if > someone has already gone through this issue. > > Thanks In Advance. > Regards, > Venkatesh B Siddappa. It looks like all users of this API use the userdata to be the index into a table of application specific rules.
