netdev - RE: [EXT] tc-mirred : Redirect Broadcast (like ARP) pkts rcvd on eth1 towards eth0

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Message-ID: 
 <SJ0PR18MB5216A0508C53C5D669C07F72DB6B2@SJ0PR18MB5216.namprd18.prod.outlook.com>
Date: Mon, 8 Jan 2024 06:47:17 +0000
From: Suman Ghosh <sumang@...vell.com>
To: Vikas Aggarwal <vik.reck@...il.com>,
        "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>,
        "jhs@...atatu.com" <jhs@...atatu.com>
Subject: RE: [EXT] tc-mirred : Redirect Broadcast (like ARP) pkts rcvd on eth1
 towards eth0

Hi Vikas,

As I understand, tc mirror is an action and can be applied with any filter rules. So, something below you can try

tc filter add dev eth1 ingress protocol ip flower dst_mac <DMAC> m <MASK> action mirred ingress mirror dev eth1

Regards,
Suman

>-----Original Message-----
>From: Vikas Aggarwal <vik.reck@...il.com>
>Sent: Monday, January 8, 2024 11:36 AM
>To: netdev@...r.kernel.org; jhs@...atatu.com
>Subject: [EXT] tc-mirred : Redirect Broadcast (like ARP) pkts rcvd on eth1
>towards eth0
>
>External Email
>
>----------------------------------------------------------------------
>Hello "tc" experts,
>
>I have questions regarding  tc-mirred.
>
>Can tc-mirred tool  match on ethernet destination MAC address as I want to
>redirect all broadcast pkts recvd on my ETH1 interface from external
>network  to appear on ETH0 ingress interface.
>
>Thanks & Regards
>-vik.reck