pre_data is not intended for that. It is headroom space which may be used for outer headers in case of different tunnel encapsulation.
You can use opaque area in vlib_buffer_t.... -- Damjan > On 21 Sep 2018, at 07:59, Prashant Upadhyaya <[email protected]> wrote: > > Hi, > > I want to pass around some custom data between my plugins using vlib_buffer_t. > I believe the pre_data field of 128 bytes can be used for this. (I use > the DPDK plugin) > > However, are there some best practices to use this field ? I ask this > because I do see that some debug capabilities of VPP use this field > and if I start using this field then it might interfere with those > debug capabilties. > > Regards > -Prashant > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#10594): https://lists.fd.io/g/vpp-dev/message/10594 > Mute This Topic: https://lists.fd.io/mt/25840898/675642 > Group Owner: [email protected] > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [[email protected]] > -=-=-=-=-=-=-=-=-=-=-=-
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#10595): https://lists.fd.io/g/vpp-dev/message/10595 Mute This Topic: https://lists.fd.io/mt/25840898/21656 Group Owner: [email protected] Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [[email protected]] -=-=-=-=-=-=-=-=-=-=-=-
