Hi Morten, Yes, you are right. These 2 conditions are also needed if one wants to use rte_mbuf_raw_free() or rte_mempool_put*() functions to free the mbufs.
Olivier On Thu, Jul 14, 2022 at 12:46:24PM +0200, Morten Brørup wrote: > Looking at rte_pktmbuf_prefree_seg() [1], the list of described requirements > for RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE [2] seems incomplete. The following two > requirements are missing: > - The mbufs must be direct. > - The mbufs must be non-segmented. > > [1] https://elixir.bootlin.com/dpdk/latest/source/lib/mbuf/rte_mbuf.h#L1308 > [2] > https://elixir.bootlin.com/dpdk/latest/source/lib/ethdev/rte_ethdev.h#L1701 > > > Med venlig hilsen / Kind regards, > -Morten Brørup >