Messages in this thread | | | Date | Tue, 8 Nov 2022 09:58:16 +0200 | From | Vladimir Oltean <> | Subject | Re: [PATCH 05/14] net: dsa: tag_mtk: assign per-port queues |
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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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