[dpdk-users] Freeing up Mbuf

Kumaraparameshwaran Rathnavel krath at cloudsimple.com
Thu Dec 22 17:47:18 CET 2016

Hi All,

The mbuf implementation is similar to the Network Driver of the FreeBSD Network Driver. In DPDK userspace driver it is the responsibility of the rte_eth_dev implementation to free the memory buffer associated with a Queue when descriptors reach below a threshold. In FreeBSD the user can actually specify the free routine for the mbuf when the transmit routine is called. Is this implemented in DPDK. I basically will give the data buffer of the application layer that will be chained with the Transport Layer Headers and I do not want to free up the routines always. Is this possible?

Thanking You,

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