From: Vladimir Oltean <vladimir.oltean@nxp.com>
To: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Petr Machata <petrm@nvidia.com>, Ido Schimmel <idosch@nvidia.com>,
Claudiu Manoil <claudiu.manoil@nxp.com>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
UNGLinuxDriver@microchip.com, Jamal Hadi Salim <jhs@mojatatu.com>,
Cong Wang <xiyou.wangcong@gmail.com>,
Jiri Pirko <jiri@resnulli.us>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH net-next 0/6] Mirroring to DSA CPU port
Date: Fri, 4 Oct 2024 14:13:46 +0300 [thread overview]
Message-ID: <20241004111346.ctsq5bqqq7zfpsuw@skbuf> (raw)
In-Reply-To: <20240913152915.2981126-1-vladimir.oltean@nxp.com>
On Fri, Sep 13, 2024 at 06:29:09PM +0300, Vladimir Oltean wrote:
> Greetings,
>
> Users of the NXP LS1028A SoC (drivers/net/dsa/ocelot L2 switch inside)
> have requested to mirror packets from the ingress of a switch port to
> software. Both port-based and flow-based mirroring is required.
>
> The simplest way I could come up with was to set up tc mirred actions
> towards a dummy net_device, and make the offloading of that be accepted
> by the driver. Currently, the pattern in drivers is to reject mirred
> towards ports they don't know about, but I'm now permitting that,
> precisely by mirroring "to the CPU". I am unsure if there are other,
> perhaps better ways of doing this.
Since there aren't any review comments, I will just resubmit this to
net-next.
prev parent reply other threads:[~2024-10-04 11:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-13 15:29 [RFC PATCH net-next 0/6] Mirroring to DSA CPU port Vladimir Oltean
2024-09-13 15:29 ` [RFC PATCH net-next 1/6] net: sched: propagate "skip_sw" flag to offload for flower and matchall Vladimir Oltean
2024-09-13 15:29 ` [RFC PATCH net-next 2/6] net: dsa: clean up dsa_user_add_cls_matchall() Vladimir Oltean
2024-09-13 15:29 ` [RFC PATCH net-next 3/6] net: dsa: add more extack messages in dsa_user_add_cls_matchall_mirred() Vladimir Oltean
2024-09-13 15:29 ` [RFC PATCH net-next 4/6] net: dsa: refuse cross-chip mirroring operations Vladimir Oltean
2024-09-13 15:29 ` [RFC PATCH net-next 5/6] net: dsa: allow matchall mirroring rules towards the CPU Vladimir Oltean
2024-09-13 15:29 ` [RFC PATCH net-next 6/6] net: mscc: ocelot: allow tc-flower mirred action towards foreign interfaces Vladimir Oltean
2024-10-04 11:13 ` Vladimir Oltean [this message]
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