[Bug 1052] Some PMDs bypass mempool instrumentation

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1052

            Bug ID: 1052
           Summary: Some PMDs bypass mempool instrumentation
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev at dpdk.org
          Reporter: mb at smartsharesystems.com
  Target Milestone: ---

Some PMDs, when using RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE, don't call
rte_mempool_put_bulk() to free the mbufs, but instead manipulate the mempool
and cache structures directly.

This means that mempool instrumentation is bypassed, and such mbuf bulk frees
are neither traced nor counted in the mempool statistics.

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