netdev - Re: [net-next 09/15] net: Move the definition of the default Geneve udp port to public header file

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Date:   Wed, 20 Mar 2019 16:54:44 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     Saeed Mahameed <saeedm@...lanox.com>
Cc:     "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        Moshe Shemesh <moshe@...lanox.com>,
        Or Gerlitz <ogerlitz@...lanox.com>,
        John Hurley <john.hurley@...ronome.com>,
        Tariq Toukan <tariqt@...lanox.com>
Subject: Re: [net-next 09/15] net: Move the definition of the default Geneve
 udp port to public header file

On Wed, 20 Mar 2019 16:39:53 -0700, Saeed Mahameed wrote:
> From: Moshe Shemesh <moshe@...lanox.com>
> 
> Move the definition of the default Geneve udp port from the geneve
> source to the header file, so we can re-use it from drivers.
> Modify existing drivers to use it.
> 
> Signed-off-by: Moshe Shemesh <moshe@...lanox.com>
> Reviewed-by: Or Gerlitz <ogerlitz@...lanox.com>
> Cc: John Hurley <john.hurley@...ronome.com>
> Cc: Jakub Kicinski <jakub.kicinski@...ronome.com>
> Reviewed-by: Tariq Toukan <tariqt@...lanox.com>
> Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
> ---
>  drivers/net/ethernet/netronome/nfp/flower/main.h | 2 +-
>  drivers/net/geneve.c                             | 2 --
>  include/net/geneve.h                             | 2 ++
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/ethernet/netronome/nfp/flower/main.h b/drivers/net/ethernet/netronome/nfp/flower/main.h
> index c0945a5fd1a4..7afe66eff684 100644
> --- a/drivers/net/ethernet/netronome/nfp/flower/main.h
> +++ b/drivers/net/ethernet/netronome/nfp/flower/main.h
> @@ -35,7 +35,7 @@ struct nfp_app;
>  #define NFP_FL_MASK_ID_LOCATION		1
>  
>  #define NFP_FL_VXLAN_PORT		4789
> -#define NFP_FL_GENEVE_PORT		6081
> +#define NFP_FL_GENEVE_PORT		GENEVE_UDP_PORT

Why not remove the now duplicated define and

s/NFP_FL_GENEVE_PORT/GENEVE_UDP_PORT/

throughout the code?

>  /* Extra features bitmap. */
>  #define NFP_FL_FEATS_GENEVE		BIT(0)
> diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
> index 5583d993480d..c05b1207358d 100644
> --- a/drivers/net/geneve.c
> +++ b/drivers/net/geneve.c
> @@ -22,8 +22,6 @@
>  
>  #define GENEVE_NETDEV_VER	"0.6"
>  
> -#define GENEVE_UDP_PORT		6081
> -
>  #define GENEVE_N_VID		(1u << 24)
>  #define GENEVE_VID_MASK		(GENEVE_N_VID - 1)
>  
> diff --git a/include/net/geneve.h b/include/net/geneve.h
> index fc6a7e0a874a..bced0b1d9fe4 100644
> --- a/include/net/geneve.h
> +++ b/include/net/geneve.h
> @@ -4,6 +4,8 @@
>  
>  #include <net/udp_tunnel.h>
>  
> +#define GENEVE_UDP_PORT		6081
> +
>  /* Geneve Header:
>   *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
>   *  |Ver|  Opt Len  |O|C|    Rsvd.  |          Protocol Type        |