andrzej-kaczmarek opened a new pull request #953:
URL: https://github.com/apache/mynewt-nimble/pull/953


   In combined build we need to allocate mbufs with user header since LL
   needs extra space to keep txinfo.
   
   This works so far only because txinfo has 4 bytes and it overwrites
   omp_next in packet header which is only used when mbuf is enqueued.
   Once dequeued, we don't use so it's "ok" to overwrite it. However if
   txinfo is extended with some extra data we will start overwriting
   PDU data when writing to txinfo.


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