[dpdk-stable] [dpdk-dev] [PATCH] net/mlx5: fix netlink rdma socket callback routine

[Raslan Darawsheh]

Hi,
> -----Original Message-----
> From: dev <dev-bounces at dpdk.org> On Behalf Of Viacheslav Ovsiienko
> Sent: Tuesday, September 10, 2019 11:05 AM
> To: dev at dpdk.org
> Cc: Matan Azrad <matan at mellanox.com>; stable at dpdk.org
> Subject: [dpdk-dev] [PATCH] net/mlx5: fix netlink rdma socket callback
> routine
> 
> The mlx5 PMD uses Netlink socket to communicate with Infiniband
> devices kernel drivers to perform some control and setup operations.
> The kernel drivers send the information back to the user mode
> with Netlink messages which are processed in libnl callback routine.
> This routine perform reply message (or set of messages) processing
> and returned the processing result in ibindex field of provided
> context structure (of mlx5_nl_ifindex_data type). The zero ibindex
> value meant an error of reply message processing. It was found in
> some configurations the zero is valid value for ibindex and error
> was wrongly raised. To avoid this the new flags field is provided
> in context structure, attribute processing flags are introduced
> and these flags are used to decide whether no error occurred and
> valid queried values are returned.
> 
> Fixes: e505508a3858 ("net/mlx5: modify get ifindex routine for multiport IB")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo at mellanox.com>

Patch applied to next-net-mlx,

Kindest regards,
Raslan Darawsheh