LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Vladimir Oltean <olteanv@gmail.com>
To: DENG Qingfang <dqfext@gmail.com>
Cc: "Sean Wang" <sean.wang@mediatek.com>,
	"Landen Chao" <Landen.Chao@mediatek.com>,
	"Andrew Lunn" <andrew@lunn.ch>,
	"Vivien Didelot" <vivien.didelot@gmail.com>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	"Jakub Kicinski" <kuba@kernel.org>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
	"Eric Woudstra" <ericwouds@gmail.com>,
	"René van Dorst" <opensource@vdorst.com>,
	"Frank Wunderlich" <frank-w@public-files.de>
Subject: Re: [RFC net-next v2 3/4] net: dsa: mt7530: set STP state also on filter ID 1
Date: Mon, 2 Aug 2021 16:43:36 +0300	[thread overview]
Message-ID: <20210802134336.gv66le6u2z52kfkh@skbuf> (raw)
In-Reply-To: <20210731191023.1329446-4-dqfext@gmail.com>

On Sun, Aug 01, 2021 at 03:10:21AM +0800, DENG Qingfang wrote:
> As filter ID 1 is used, set STP state also on it.
> 
> Signed-off-by: DENG Qingfang <dqfext@gmail.com>
> ---
>  drivers/net/dsa/mt7530.c | 3 ++-
>  drivers/net/dsa/mt7530.h | 2 +-
>  2 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
> index 3876e265f844..38d6ce37d692 100644
> --- a/drivers/net/dsa/mt7530.c
> +++ b/drivers/net/dsa/mt7530.c
> @@ -1147,7 +1147,8 @@ mt7530_stp_state_set(struct dsa_switch *ds, int port, u8 state)
>  		break;
>  	}
>  
> -	mt7530_rmw(priv, MT7530_SSP_P(port), FID_PST_MASK, stp_state);
> +	mt7530_rmw(priv, MT7530_SSP_P(port), FID_PST_MASK,
> +		   FID_PST(stp_state));
>  }
>  
>  static int
> diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
> index a308886fdebc..294ff1cbd9e0 100644
> --- a/drivers/net/dsa/mt7530.h
> +++ b/drivers/net/dsa/mt7530.h
> @@ -181,7 +181,7 @@ enum mt7530_vlan_egress_attr {
>  
>  /* Register for port STP state control */
>  #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
> -#define  FID_PST(x)			((x) & 0x3)

Shouldn't these macros have _two_ arguments, the FID and the port state?

> +#define  FID_PST(x)			(((x) & 0x3) * 0x5)

"* 5": explanation?

>  #define  FID_PST_MASK			FID_PST(0x3)
>  
>  enum mt7530_stp_state {
> -- 
> 2.25.1
> 

I don't exactly understand how this patch works, sorry.
Are you altering port state only on bridged ports, or also on standalone
ports after this patch? Are standalone ports in the proper STP state
(FORWARDING)?

  reply	other threads:[~2021-08-02 13:43 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-31 19:10 [RFC net-next v2 0/4] mt7530 software fallback bridging fix DENG Qingfang
2021-07-31 19:10 ` [RFC net-next v2 1/4] net: dsa: mt7530: enable assisted learning on CPU port DENG Qingfang
2021-08-02 13:07   ` Vladimir Oltean
2021-07-31 19:10 ` [RFC net-next v2 2/4] net: dsa: mt7530: use independent VLAN learning on VLAN-unaware bridges DENG Qingfang
2021-08-02 13:36   ` Vladimir Oltean
2021-07-31 19:10 ` [RFC net-next v2 3/4] net: dsa: mt7530: set STP state also on filter ID 1 DENG Qingfang
2021-08-02 13:43   ` Vladimir Oltean [this message]
2021-08-02 15:31     ` DENG Qingfang
2021-08-02 15:42       ` Vladimir Oltean
2021-08-02 15:58         ` DENG Qingfang
2021-08-02 21:00           ` Vladimir Oltean
2021-08-03  8:23             ` DENG Qingfang
2021-08-03  8:48               ` Vladimir Oltean
2021-07-31 19:10 ` [RFC net-next v2 4/4] Revert "mt7530 mt7530_fdb_write only set ivl bit vid larger than 1" DENG Qingfang
2021-08-02 13:44   ` Vladimir Oltean
2021-08-02 15:48     ` DENG Qingfang
2021-08-02 20:59       ` Vladimir Oltean

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210802134336.gv66le6u2z52kfkh@skbuf \
    --to=olteanv@gmail.com \
    --cc=Landen.Chao@mediatek.com \
    --cc=andrew@lunn.ch \
    --cc=davem@davemloft.net \
    --cc=dqfext@gmail.com \
    --cc=ericwouds@gmail.com \
    --cc=f.fainelli@gmail.com \
    --cc=frank-w@public-files.de \
    --cc=kuba@kernel.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mediatek@lists.infradead.org \
    --cc=matthias.bgg@gmail.com \
    --cc=netdev@vger.kernel.org \
    --cc=opensource@vdorst.com \
    --cc=sean.wang@mediatek.com \
    --cc=vivien.didelot@gmail.com \
    --subject='Re: [RFC net-next v2 3/4] net: dsa: mt7530: set STP state also on filter ID 1' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).