[dpdk-dev] [PATCH] net/mlx: support firmware version query

[Stephen Hemminger]

On Wed,  6 Feb 2019 22:59:09 +0100
Thomas Monjalon <thomas at monjalon.net> wrote:

> The API function rte_eth_dev_fw_version_get() is querying drivers
> via the operation callback fw_version_get().
> The implementation of this operation is added for mlx4 and mlx5.
> Both functions are copying the same ibverbs field fw_ver
> which is retrieved when calling ibv_query_device[_ex]()
> during the port probing.
> 
> It is tested with command "drvinfo" of examples/ethtool/.
> 
> Signed-off-by: Thomas Monjalon <thomas at monjalon.net>

Looks good, but hard to test because:
  * testpmd doesn't report it
  * with netvsc (and failsafe) the device is owned and not visible

Fixing testpmd is not hard, but what is best way to handle
the nested device situation.