[dpdk-dev] [PATCH 2/2 v3] kni: add documentation for the mempool capacity

Mcnamara, John john.mcnamara at intel.com
Thu Jun 9 14:03:49 CEST 2016


> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Alex Wang
> Sent: Saturday, May 21, 2016 8:59 AM
> To: dev at dpdk.org
> Cc: Yigit, Ferruh <ferruh.yigit at intel.com>; Alex Wang
> <alex at awakenetworks.com>
> Subject: [dpdk-dev] [PATCH 2/2 v3] kni: add documentation for the mempool
> capacity
> 
> From: Alex Wang <alex at awakenetworks.com>
> 
> Function like 'rte_kni_rx_burst()' keeps allocating 'MAX_MBUF_BURST_NUM'
> mbufs to kni fifo queue unless the queue's capacity
> ('KNI_FIFO_COUNT_MAX') is reached.  So, if the mempool is under-
> provisioned, user may run into "Out of Memory" logs from KNI code.
> This commit documents the need to provision mempool capacity of more than
> "2 x KNI_FIFO_COUNT_MAX" for each KNI interface.
> 
> Signed-off-by: Alex Wang <alex at awakenetworks.com>
> Acked-by: Ferruh Yigit <ferruh.yigit at intel.com>

Acked-by: John McNamara <john.mcnamara at intel.com>



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