[dpdk-dev] [PATCH] ethdev: increase length device internal name

[Ferruh Yigit]

On 9/27/2017 10:23 AM, Stephen Hemminger wrote:
> Allow sufficicent space for UUID in string form (36+1).
> Needed to use UUID with Hyper-V. This was in deprecation notice
> for previous release and make it so in 17.11.
> 
> Signed-off-by: Stephen Hemminger <sthemmin at microsoft.com>

Except from below note,
Reviewed-by: Ferruh Yigit <ferruh.yigit at intel.com>

> ---
>  doc/guides/rel_notes/deprecation.rst    | 3 +++
>  lib/librte_eal/common/include/rte_dev.h | 6 +++++-
>  2 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index 3362f33501dd..ba5b68e70098 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -120,3 +120,6 @@ Deprecation Notices
>    The non-"do-sig" versions of the hash tables will be removed
>    (including the ``signature_offset`` parameter)
>    and the "do-sig" versions renamed accordingly.
> +
> +* ethdev: in 17.11 the size of internal device name is increased
> +  to 64 characters to allow for storing longer bus specific name.

There is already a deprecation notice added in previous release for this
release. Since this patch implements it, notice should be removed,
instead of adding new one.

> diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h
> index 5386d3a28be5..4c4ac7e5d375 100644
> --- a/lib/librte_eal/common/include/rte_dev.h
> +++ b/lib/librte_eal/common/include/rte_dev.h
> @@ -152,7 +152,11 @@ struct rte_driver {
>  	const char *alias;              /**< Driver alias. */
>  };
>  
> -#define RTE_DEV_NAME_MAX_LEN (32)
> +/*
> + * Internal identifier length
> + * Sufficiently large to allow for UUID or PCI address
> + */
> +#define RTE_DEV_NAME_MAX_LEN 64
>  
>  /**
>   * A structure describing a generic device.
>