From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [PATCH] net/sfc: fix minimum number of Rx
 descriptors in ESSB mode
Date: Thu, 17 May 2018 16:20:32 +0100
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To: Andrew Rybchenko <arybchenko@solarflare.com>, dev@dpdk.org
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On 5/16/2018 1:35 PM, Andrew Rybchenko wrote:
> Number of descriptors in equal stride super-buffer Rx mode defines
> number of packet buffers to be used. Each HW Rx descriptor has
> many packet buffers and the number depends on total size of mbuf
> and CONFIG_RTE_DRIVER_MEMPOOL_BUCKET_SIZE_KB value.
> Typically it makes a bit less than 32 buffers per descriptor.
> Since HW Rx descriptors must be pushed by 8, it makes about 256
> as required minimum. Double it in advertised minimum to allow for
> at least 2 refill blocks.
> 
> Fixes: 390f9b8d82c9 ("net/sfc: support equal stride super-buffer Rx mode")
> 
> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>

Applied to dpdk-next-net/master, thanks.