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From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Vladimir Oltean <olteanv@gmail.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Florian Fainelli <f.fainelli@gmail.com>,
	netdev@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
	"David S. Miller" <davem@davemloft.net>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Jakub Kicinski <kuba@kernel.org>,
	linux-mips@vger.kernel.org,
	Vivien Didelot <vivien.didelot@gmail.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v1 2/9] net: dsa: tag_ar9331: detect IGMP and MLD packets
Date: Sat, 3 Apr 2021 15:26:36 +0200	[thread overview]
Message-ID: <20210403132636.h7ghwk2eaekskx2b@pengutronix.de> (raw)
In-Reply-To: <20210403130318.lqkd6id7gehg3bin@skbuf>

On Sat, Apr 03, 2021 at 04:03:18PM +0300, Vladimir Oltean wrote:
> Hi Oleksij,
> 
> On Sat, Apr 03, 2021 at 01:48:41PM +0200, Oleksij Rempel wrote:
> > The ar9331 switch is not forwarding IGMP and MLD packets if IGMP
> > snooping is enabled. This patch is trying to mimic the HW heuristic to take
> > same decisions as this switch would do to be able to tell the linux
> > bridge if some packet was prabably forwarded or not.
> > 
> > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> > ---
> 
> I am not familiar with IGMP/MLD, therefore I don't really understand
> what problem you are trying to solve.
> 
> Your switch has packet traps for IGMP and MLD, ok. So it doesn't forward
> them. Must the IGMP/MLD packets be forwarded by an IGMP/MLD snooping
> bridge? Which ones and under what circumstances?

I'll better refer to the rfc:
https://tools.ietf.org/html/rfc4541

Regards,
Oleksij
-- 
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  reply	other threads:[~2021-04-03 13:26 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-03 11:48 [PATCH net-next v1 0/9] ar9331: mainline some parts of switch functionality Oleksij Rempel
2021-04-03 11:48 ` [PATCH net-next v1 1/9] net: dsa: add rcv_post call back Oleksij Rempel
2021-04-03 14:05   ` Vladimir Oltean
2021-04-03 23:21     ` Vladimir Oltean
2021-04-04  2:32       ` Florian Fainelli
2021-04-04  5:49       ` Oleksij Rempel
2021-04-04 12:54         ` Vladimir Oltean
2021-04-03 11:48 ` [PATCH net-next v1 2/9] net: dsa: tag_ar9331: detect IGMP and MLD packets Oleksij Rempel
2021-04-03 13:03   ` Vladimir Oltean
2021-04-03 13:26     ` Oleksij Rempel [this message]
2021-04-03 13:46       ` Vladimir Oltean
2021-04-03 15:22         ` Oleksij Rempel
2021-04-03 16:38           ` Vladimir Oltean
2021-04-03 14:49   ` Andrew Lunn
2021-04-03 17:14     ` Oleksij Rempel
2021-04-04  0:02       ` Vladimir Oltean
2021-04-04  5:35         ` Oleksij Rempel
2021-04-04 12:58           ` Vladimir Oltean
2021-04-03 11:48 ` [PATCH net-next v1 3/9] net: dsa: qca: ar9331: reorder MDIO write sequence Oleksij Rempel
2021-04-03 14:55   ` Andrew Lunn
2021-04-04  2:17   ` Florian Fainelli
2021-04-03 11:48 ` [PATCH net-next v1 4/9] net: dsa: qca: ar9331: make proper initial port defaults Oleksij Rempel
2021-04-03 15:08   ` Andrew Lunn
2021-04-04  0:16   ` Vladimir Oltean
2021-04-04  6:04     ` Oleksij Rempel
2021-04-03 11:48 ` [PATCH net-next v1 5/9] net: dsa: qca: ar9331: add forwarding database support Oleksij Rempel
2021-04-03 15:25   ` Andrew Lunn
2021-04-03 23:48     ` Vladimir Oltean
2021-04-04  0:46       ` Andrew Lunn
2021-04-03 11:48 ` [PATCH net-next v1 6/9] net: dsa: qca: ar9331: add ageing time support Oleksij Rempel
2021-04-03 15:26   ` Andrew Lunn
2021-04-04  2:20   ` Florian Fainelli
2021-04-03 11:48 ` [PATCH net-next v1 7/9] net: dsa: qca: ar9331: add bridge support Oleksij Rempel
2021-04-03 15:31   ` Andrew Lunn
2021-04-04  2:26   ` Florian Fainelli
2021-04-03 11:48 ` [PATCH net-next v1 8/9] net: dsa: qca: ar9331: add STP support Oleksij Rempel
2021-04-03 11:48 ` [PATCH net-next v1 9/9] net: dsa: qca: ar9331: add vlan support Oleksij Rempel
2021-04-04  0:36   ` Vladimir Oltean

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