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From: Vladimir Oltean <olteanv@gmail.com>
To: Felix Fietkau <nbd@nbd.name>
Cc: netdev@vger.kernel.org, Sean Wang <sean.wang@mediatek.com>,
	Landen Chao <Landen.Chao@mediatek.com>,
	DENG Qingfang <dqfext@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
	Vivien Didelot <vivien.didelot@gmail.com>,
	Florian Fainelli <f.fainelli@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 05/14] net: dsa: tag_mtk: assign per-port queues
Date: Tue, 8 Nov 2022 09:58:16 +0200	[thread overview]
Message-ID: <20221108075816.wsn2olii2lzcq7tf@skbuf> (raw)
In-Reply-To: <f714f3e2-44b0-e0f9-0b99-2878ec12cb56@nbd.name>

On Tue, Nov 08, 2022 at 07:01:29AM +0100, Felix Fietkau wrote:
> On 07.11.22 22:22, Vladimir Oltean wrote:
> > On Mon, Nov 07, 2022 at 07:54:43PM +0100, Felix Fietkau wrote:
> > > Keeps traffic sent to the switch within link speed limits
> > > 
> > > Signed-off-by: Felix Fietkau <nbd@nbd.name>
> > > ---
> > >  net/dsa/tag_mtk.c | 3 +++
> > >  1 file changed, 3 insertions(+)
> > > 
> > > diff --git a/net/dsa/tag_mtk.c b/net/dsa/tag_mtk.c
> > > index 415d8ece242a..445d6113227f 100644
> > > --- a/net/dsa/tag_mtk.c
> > > +++ b/net/dsa/tag_mtk.c
> > > @@ -25,6 +25,9 @@ static struct sk_buff *mtk_tag_xmit(struct sk_buff *skb,
> > >  	u8 xmit_tpid;
> > >  	u8 *mtk_tag;
> > > +	/* Reserve the first three queues for packets not passed through DSA */
> > > +	skb_set_queue_mapping(skb, 3 + dp->index);
> > > +
> > 
> > Should DSA have to care about this detail, or could you rework your
> > mtk_select_queue() procedure to adjust the queue mapping as needed?
> I'm setting the queue here so that I don't have to add the extra overhead of
> parsing the payload in the ethernet driver.
> For passing the queue, I used a similar approach as tag_brcm.c and
> drivers/net/ethernet/broadcom/bcmsysport.c

I was just asking if you can't add the 3 elsewhere, since the DSA
tagging protocol shouldn't care how many MAC IDs the DSA master has.

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  reply	other threads:[~2022-11-08  7:59 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-07 18:54 [PATCH 01/14] net: ethernet: mtk_eth_soc: account for vlan in rx header length Felix Fietkau
2022-11-07 18:54 ` [PATCH 02/14] net: ethernet: mtk_eth_soc: increase tx ring side for QDMA devices Felix Fietkau
2022-11-07 18:54 ` [PATCH 03/14] net: ethernet: mtk_eth_soc: avoid port_mg assignment on MT7622 and newer Felix Fietkau
2022-11-07 18:54 ` [PATCH 04/14] net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues Felix Fietkau
2022-11-07 18:54 ` [PATCH 05/14] net: dsa: tag_mtk: assign " Felix Fietkau
2022-11-07 20:40   ` Vladimir Oltean
2022-11-08  6:18     ` Felix Fietkau
2022-11-07 21:22   ` Vladimir Oltean
2022-11-08  6:01     ` Felix Fietkau
2022-11-08  7:58       ` Vladimir Oltean [this message]
2022-11-08  9:20         ` Felix Fietkau
2022-11-07 18:54 ` [PATCH 06/14] net: ethernet: mediatek: ppe: assign per-port queues for offloaded traffic Felix Fietkau
2022-11-07 18:54 ` [PATCH 07/14] net: ethernet: mtk_eth_soc: compile out netsys v2 code on mt7621 Felix Fietkau
2022-11-07 18:54 ` [PATCH 10/14] net: dsa: tag_mtk: parse hwaccel VLAN tags Felix Fietkau
2022-11-07 18:54 ` [PATCH 11/14] net: ethernet: mtk_eth_soc: fix VLAN rx hardware acceleration Felix Fietkau
2022-11-07 23:32   ` Vladimir Oltean
2022-11-08  6:17     ` Felix Fietkau
2022-11-07 18:54 ` [PATCH 12/14] net: ethernet: mtk_eth_soc: work around issue with sending small fragments Felix Fietkau
2022-11-07 18:54 ` [PATCH 13/14] net: ethernet: mtk_eth_soc: set NETIF_F_ALL_TSO Felix Fietkau
2022-11-07 18:54 ` [PATCH 14/14] net: ethernet: mtk_eth_soc: drop packets to WDMA if the ring is full Felix Fietkau
2022-11-07 20:55 ` [PATCH 01/14] net: ethernet: mtk_eth_soc: account for vlan in rx header length Vladimir Oltean
2022-11-08  6:18   ` Felix Fietkau

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