Re: [PATCH v8 2/4] ethdev: support multiple mbuf pools per Rx queue

[Thomas Monjalon <thomas@monjalon.net>]

07/10/2022 19:29, Andrew Rybchenko:
> +* **Added support for mulitiple mbuf pools per ethdev Rx queue.**

mulitiple -> multiple

I can fix when merging.

> +
> +  The capability allows application to provide many mempools of different
> +  size and PMD and/or NIC to choose a memory pool based on the packet's
> +  length and/or Rx buffers availability.
[...] 
> +	/**
> +	 * Array of mempools to allocate Rx buffers from.
> +	 *
> +	 * This provides support for multiple mbuf pools per Rx queue.
> +	 * The capability is reported in device info via positive
> +	 * max_rx_mempools.
> +	 *
> +	 * It could be useful for more efficient usage of memory when an
> +	 * application creates different mempools to steer the specific
> +	 * size of the packet.
> +	 *
> +	 * If many mempools are specified, packets received using Rx
> +	 * burst may belong to any provided mempool. From ethdev user point
> +	 * of view it is undefined how PMD/NIC chooses mempool for a packet.
> +	 *
> +	 * If Rx scatter is enabled, a packet may be delivered using a chain
> +	 * of mbufs obtained from single mempool or multiple mempools based
> +	 * on the NIC implementation.
> +	 */
> +	struct rte_mempool **rx_mempools;
> +	uint16_t rx_nmempool; /** < Number of Rx mempools */

OK, it's clear, thanks.