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Re: [PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info

From Andrew Lunn <andrew@lunn.ch>
Newsgroups linux.kernel
Subject Re: [PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info
Date 2017-04-26 18:10 +0200
Message-ID <tAxFU-4AU-39@gated-at.bofh.it> (permalink)
References <tAxwd-4hS-3@gated-at.bofh.it> <tAxwf-4hS-43@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Apr 26, 2017 at 11:53:19AM -0400, Vivien Didelot wrote:
> Some chips don't have a VLAN Table Unit, most of them do have a 4K
> table, some others as the 88E6390 family has a 13th bit for the VID.
> 
> Add a new max_vid member to the info structure, used to check the
> presence of a VTU as well as the value used to iterate from in VTU
> GetNext operations.
> 
> This makes the MV88E6XXX_FLAG_VTU obsolete, thus remove it.
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
> ---
>  drivers/net/dsa/mv88e6xxx/chip.c      | 38 ++++++++++++++++++++++++++---------
>  drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 13 ++----------
>  2 files changed, 31 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
> index 44ba8cff5631..e45ddf3e90e8 100644
> --- a/drivers/net/dsa/mv88e6xxx/chip.c
> +++ b/drivers/net/dsa/mv88e6xxx/chip.c
> @@ -1440,7 +1440,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
>  	u16 pvid;
>  	int err;
>  
> -	if (!mv88e6xxx_has(chip, MV88E6XXX_FLAG_VTU))
> +	if (!chip->info->max_vid)
>  		return -EOPNOTSUPP;
>  
>  	mutex_lock(&chip->reg_lock);
> @@ -1478,7 +1478,7 @@ static int mv88e6xxx_port_vlan_dump(struct dsa_switch *ds, int port,
>  		err = cb(&vlan->obj);
>  		if (err)
>  			break;
> -	} while (next.vid < GLOBAL_VTU_VID_MASK);
> +	} while (next.vid < chip->info->max_vid);

This change in itself is worth it. We should not be using a mask for
this sort of comparison.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>

    Andrew

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Thread

[PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
  [PATCH net-next 02/18] net: dsa: mv88e6xxx: split VTU entry data member Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 02/18] net: dsa: mv88e6xxx: split VTU entry data  member Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:30 +0200
  [PATCH net-next 11/18] net: dsa: mv88e6xxx: get STU entry on VTU GetNext Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 11/18] net: dsa: mv88e6xxx: get STU entry on VTU  GetNext Andrew Lunn <andrew@lunn.ch> - 2017-04-27 22:20 +0200
  [PATCH net-next 13/18] net: dsa: mv88e6xxx: add VTU GetNext operation Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 13/18] net: dsa: mv88e6xxx: add VTU GetNext  operation Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:20 +0200
  [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page  bit Andrew Lunn <andrew@lunn.ch> - 2017-04-28 15:00 +0200
      Re: [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page bit Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-28 16:30 +0200
        Re: [PATCH net-next 17/18] net: dsa: mv88e6xxx: support the VTU Page  bit Andrew Lunn <andrew@lunn.ch> - 2017-04-28 17:00 +0200
  [PATCH net-next 04/18] net: dsa: mv88e6xxx: move VTU flush Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 04/18] net: dsa: mv88e6xxx: move VTU flush Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
  [PATCH net-next 14/18] net: dsa: mv88e6xxx: add VTU Load/Purge operation Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 14/18] net: dsa: mv88e6xxx: add VTU Load/Purge  operation Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:20 +0200
  [PATCH net-next 09/18] net: dsa: mv88e6xxx: move VTU Data accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 09/18] net: dsa: mv88e6xxx: move VTU Data  accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:20 +0200
  [PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 01/18] net: dsa: mv88e6xxx: add max VID to info Andrew Lunn <andrew@lunn.ch> - 2017-04-26 18:10 +0200
  [PATCH net-next 10/18] net: dsa: mv88e6xxx: move STU GetNext operation Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 10/18] net: dsa: mv88e6xxx: move STU GetNext  operation Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:50 +0200
  [PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation  accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
    Re: [PATCH net-next 03/18] net: dsa: mv88e6xxx: move VTU Operation  accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
  [PATCH net-next 07/18] net: dsa: mv88e6xxx: move VTU VID accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:00 +0200
    Re: [PATCH net-next 07/18] net: dsa: mv88e6xxx: move VTU VID  accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:00 +0200
  [PATCH net-next 16/18] net: dsa: mv88e6xxx: simplify VTU entry getter Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
    Re: [PATCH net-next 16/18] net: dsa: mv88e6xxx: simplify VTU entry  getter Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:30 +0200
  [PATCH net-next 06/18] net: dsa: mv88e6xxx: move VTU SID accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
    Re: [PATCH net-next 06/18] net: dsa: mv88e6xxx: move VTU SID  accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
  [PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU GetNext Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
    Re: [PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU  GetNext Andrew Lunn <andrew@lunn.ch> - 2017-04-27 21:00 +0200
      Re: [PATCH net-next 08/18] net: dsa: mv88e6xxx: move generic VTU GetNext Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-28 17:10 +0200
  [PATCH net-next 12/18] net: dsa: mv88e6xxx: load STU entry with VTU entry Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
    Re: [PATCH net-next 12/18] net: dsa: mv88e6xxx: load STU entry with  VTU entry Andrew Lunn <andrew@lunn.ch> - 2017-04-28 04:10 +0200
  [PATCH net-next 05/18] net: dsa: mv88e6xxx: move VTU FID accessors Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-04-26 18:10 +0200
    Re: [PATCH net-next 05/18] net: dsa: mv88e6xxx: move VTU FID  accessors Andrew Lunn <andrew@lunn.ch> - 2017-04-27 20:40 +0200
  Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 18:00 +0200
    Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390  VTU David Miller <davem@davemloft.net> - 2017-05-01 18:10 +0200
      Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390  VTU Andrew Lunn <andrew@lunn.ch> - 2017-05-01 18:30 +0200
        Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 19:20 +0200
      Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 18:30 +0200
        Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390  VTU David Miller <davem@davemloft.net> - 2017-05-01 18:30 +0200
          Re: [PATCH net-next 00/18] net: dsa: mv88e6xxx: 802.1s and 88E6390 VTU Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2017-05-01 18:40 +0200

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