[dpdk-dev] [PATCH v3] examples/l3fwd: fix validation for queue id of config tuple

[De Lara Guarch, Pablo]

> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Reshma Pattan
> Sent: Friday, March 25, 2016 3:14 PM
> To: dev at dpdk.org; Ananyev, Konstantin
> Cc: Pattan, Reshma
> Subject: [dpdk-dev] [PATCH v3] examples/l3fwd: fix validation for queue id of
> config tuple
> 
> Added validation for queue id of config parameter tuple.
> 
> This validation enforces user to enter queue ids of a port
> from 0 and in sequence.
> 
> This additional validation on queue ids avoids ixgbe crash caused by null
> rxq pointer access inside ixgbe_dev_rx_init.
> 
> Reason for null rxq is, L3fwd application allocates memory only for queues
> passed by user.
> But rte_eth_dev_start  tries to initialize rx queues in sequence from 0 to
> nb_rx_queues,
> which is not true and coredump while accessing the unallocated queue .
> 
> Fixes: af75078fece3 ("first public release")
> 
> Signed-off-by: Reshma Pattan <reshma.pattan at intel.com>

Acked-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>