On Tue, 24 Jun 2014 23:32:15 +0100 Bruce Richardson <bruce.richardson at intel.com> wrote:
> Many sample apps include internal buffering for single-packet-at-a-time > operation. Since this is such a common paradigm, this functionality is > better suited to being inside the core ethdev API. > The new APIs include three functions: > * rte_eth_tx_buffer - buffer up a single packet for future transmission > * rte_eth_tx_buffer_flush - flush any unsent buffered packets > * rte_eth_tx_buffer_set_err_callback - set up a callback to be called in > case transmitting a buffered burst fails. By default, we just free the > unsent packets This must be per-queue to be MP safe. Internally, we do something similar but it proved to be fastest to user per-cpu data in some cases.
