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From: Devendra Singh Rawat <dsinghrawat@marvell.com>
To: Igor Russkikh <irusskikh@marvell.com>,
	Balazs Nemeth <bnemeth@redhat.com>,
	 "dev@dpdk.org" <dev@dpdk.org>, Rasesh Mody <rmody@marvell.com>
Subject: Re: [dpdk-dev] Potential regression introduced by commit b10231aed1edb9
Date: Wed, 30 Dec 2020 12:51:49 +0000
Message-ID: <CY4PR18MB1496E9B762B05AA9F14CBD5EB6D71@CY4PR18MB1496.namprd18.prod.outlook.com> (raw)
In-Reply-To: <8a90fc3e-31dd-2792-0dee-7c86523f2245@marvell.com>

Adding more people to comment/investigate here.

Devendra, could it be that we don't consider subsequent calls of promisc_enabled + allmulti_enable ?

Devendra >> yes, I agree that as long as promiscuous mode is enabled for a port, all traffic should be accepted even if allmulticast is enabled latter. Commit b10231aed1edb9 shouldn't have changed that.
I will prepare a fix patch for this.

On 18/12/2020 2:34 pm, Balazs Nemeth wrote:
> Hi,
> introduces a regression on my systems. I have a 
> "QLogic Corp. FastLinQ QL41000 Series 10/25/40/50GbE Controller" which 
> relies on the qede driver. Calling rte_eth_promiscuous_enable(portid)
> followed by rte_eth_allmulticast_enable(port_id) causes no packets to 
> arrive from my generator. It's important to add that the generator 
> doesn't specifically target the mac of the port. I presume that 
> irrespective of dst mac, if a port is put into promiscuous mode, all 
> packets should arrive and rte_eth_allmulticast_enable should not cause
> *less* packets to arrive. Am I missing something? It seems that
> b10231aed1edb9 inadvertently introduced either a bug or a pretty 
> significant change in semantics (at least for qede)?
> Regards,
> Balazs

  reply	other threads:[~2020-12-30 12:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 13:34 Balazs Nemeth
2020-12-29 13:29 ` Igor Russkikh
2020-12-30 12:51   ` Devendra Singh Rawat [this message]
2020-12-30 12:55     ` Balazs Nemeth
2021-01-04 12:03       ` Ferruh Yigit

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