[ovs-dev] [PATCH 2/2] netdev-dpdk: Add comment about variables naming convention.

[Stokes, Ian]

> -----Original Message-----
> From: ovs-dev-bounces at openvswitch.org [mailto:ovs-dev-
> bounces at openvswitch.org] On Behalf Of Ilya Maximets
> Sent: Tuesday, November 7, 2017 1:17 PM
> To: ovs-dev at openvswitch.org
> Cc: Ilya Maximets <i.maximets at samsung.com>; Heetae Ahn
> <heetae82.ahn at samsung.com>
> Subject: [ovs-dev] [PATCH 2/2] netdev-dpdk: Add comment about variables
> naming convention.
> 

Hi Ilya,

This looks good and will be useful in future as a reference.

Minor nit would be I'd like to see the commit message expanded upon, maybe mentioning which variables are documented etc. to make the commit message more robust. Will look to add this to the DPDK merge branch then.

Thanks
Ian

> Signed-off-by: Ilya Maximets <i.maximets at samsung.com>
> ---
>  lib/netdev-dpdk.c | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c index 872b133..9423109
> 100644
> --- a/lib/netdev-dpdk.c
> +++ b/lib/netdev-dpdk.c
> @@ -330,6 +330,23 @@ enum dpdk_hw_ol_features {
>      NETDEV_RX_CHECKSUM_OFFLOAD = 1 << 0,  };
> 
> +/*
> + * In order to avoid confusion in variables names, following naming
> +convention
> + * should be used, if possible:
> + *
> + *     'struct netdev'          : 'netdev'
> + *     'struct netdev_dpdk'     : 'dev'
> + *     'struct netdev_rxq'      : 'rxq'
> + *     'struct netdev_rxq_dpdk' : 'rx'
> + *
> + * Example:
> + *     struct netdev *netdev = netdev_from_name(name);
> + *     struct netdev_dpdk *dev = netdev_dpdk_cast(netdev);
> + *
> + *  Also, 'netdev' should be used instead of 'dev->up', where 'netdev'
> +was
> + *  already defined.
> + */
> +
>  struct netdev_dpdk {
>      PADDED_MEMBERS_CACHELINE_MARKER(CACHE_LINE_SIZE, cacheline0,
>          dpdk_port_t port_id;
> --
> 2.7.4
> 
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