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 <praupadhy...@gmail.com> 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: vpp-dev+ow...@lists.fd.io > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [dmar...@me.com] > -=-=-=-=-=-=-=-=-=-=-=-
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