netdev - Re: [PATCH bluetooth-next 1/4] netlink: add nla

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Date:	Tue, 29 Sep 2015 18:08:32 +0200
From:	Marcel Holtmann <marcel@...tmann.org>
To:	Alexander Aring <alex.aring@...il.com>,
	"David S. Miller" <davem@...emloft.net>
Cc:	linux-wpan@...r.kernel.org, kernel@...gutronix.de,
	Network Development <netdev@...r.kernel.org>,
	Phoebe Buckheister <phoebe.buckheister@...m.fraunhofer.de>
Subject: Re: [PATCH bluetooth-next 1/4] netlink: add nla_get for le32 and le64

Hi Dave,

> This patch adds missing inline wrappers for nla_get_le32 and
> nla_get_le64. The 802.15.4 MAC byteorder is little endian and we keep
> the byteorder for fields like address configuration in the same
> byteorder as it comes from the MAC layer.
> 
> To provide these fields for nl802154 userspace applications, we need
> these inline wrappers for netlink.
> 
> Cc: David S. Miller <davem@...emloft.net>
> Signed-off-by: Alexander Aring <alex.aring@...il.com>
> ---
> include/net/netlink.h | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
> 
> diff --git a/include/net/netlink.h b/include/net/netlink.h
> index 2a5dbcc..0e31727 100644
> --- a/include/net/netlink.h
> +++ b/include/net/netlink.h
> @@ -1004,6 +1004,15 @@ static inline __be32 nla_get_be32(const struct nlattr *nla)
> }
> 
> /**
> + * nla_get_le32 - return payload of __le32 attribute
> + * @nla: __le32 netlink attribute
> + */
> +static inline __le32 nla_get_le32(const struct nlattr *nla)
> +{
> +	return *(__le32 *) nla_data(nla);
> +}
> +
> +/**
>  * nla_get_u16 - return payload of u16 attribute
>  * @nla: u16 netlink attribute
>  */
> @@ -1066,6 +1075,15 @@ static inline __be64 nla_get_be64(const struct nlattr *nla)
> }
> 
> /**
> + * nla_get_le64 - return payload of __le64 attribute
> + * @nla: __le64 netlink attribute
> + */
> +static inline __le64 nla_get_le64(const struct nlattr *nla)
> +{
> +	return *(__le64 *) nla_data(nla);
> +}
> +
> +/**
>  * nla_get_s32 - return payload of s32 attribute
>  * @nla: s32 netlink attribute
>  */

do you have any objections to me taking this change through the bluetooth-next tree?

Regards

Marcel

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