netdev - Re: [PATCH net-next 05/17] net: dsa: Add more convenient functions for installing port VLANs

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Message-ID: <20190402205437.GF22349@lunn.ch>
Date:   Tue, 2 Apr 2019 22:54:37 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     f.fainelli@...il.com, vivien.didelot@...il.com,
        davem@...emloft.net, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linus.walleij@...aro.org,
        georg.waibel@...sor-technik.de
Subject: Re: [PATCH net-next 05/17] net: dsa: Add more convenient functions
 for installing port VLANs

On Sun, Mar 31, 2019 at 08:42:20PM +0300, Vladimir Oltean wrote:
> This hides the need to perform a two-phase transaction and construct a
> switchdev_obj_port_vlan struct.
> 
> Call graph (including a function that will be introduced in a follow-up
> patch) looks like this now (same for the *_vlan_del function):
> 
> dsa_slave_vlan_rx_add_vid   dsa_port_setup_8021q_tagging
>             |                        |
>             |                        |
>             |          +-------------+
>             |          |
>             v          v
>          __dsa_port_vlan_add     dsa_slave_port_obj_add
>                   |                         |
>                   +-------+         +-------+
>                           |         |
>                           v         v
>                        dsa_port_vlan_add
> 
> Signed-off-by: Vladimir Oltean <olteanv@...il.com>
> ---
>  net/dsa/dsa_priv.h |  2 ++
>  net/dsa/port.c     | 31 +++++++++++++++++++++++++++++++
>  net/dsa/slave.c    | 16 ++--------------
>  3 files changed, 35 insertions(+), 14 deletions(-)
> 
> diff --git a/net/dsa/dsa_priv.h b/net/dsa/dsa_priv.h
> index 093b7d145eb1..766d015f6f38 100644
> --- a/net/dsa/dsa_priv.h
> +++ b/net/dsa/dsa_priv.h
> @@ -169,6 +169,8 @@ int dsa_port_vlan_add(struct dsa_port *dp,
>  		      struct switchdev_trans *trans);
>  int dsa_port_vlan_del(struct dsa_port *dp,
>  		      const struct switchdev_obj_port_vlan *vlan);
> +int __dsa_port_vlan_add(struct dsa_port *dp, u16 vid, u16 flags);
> +int __dsa_port_vlan_del(struct dsa_port *dp, u16 vid);
>  int dsa_port_link_register_of(struct dsa_port *dp);
>  void dsa_port_link_unregister_of(struct dsa_port *dp);
>  
> diff --git a/net/dsa/port.c b/net/dsa/port.c
> index a86fe3be1261..10065a622ada 100644
> --- a/net/dsa/port.c
> +++ b/net/dsa/port.c
> @@ -326,6 +326,37 @@ int dsa_port_vlan_del(struct dsa_port *dp,
>  	return 0;
>  }
>  
> +int __dsa_port_vlan_add(struct dsa_port *dp, u16 vid, u16 flags)
> +{

Hi Vladimir

Maybe call this dsa_port_vlan_add_trans()?

I don't like the __, especially when the symbol is not static.

  Andrew