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From: Thomas Monjalon <thomas@monjalon.net>
To: Liwu Liu <liwuliu@fortinet.com>
Cc: users@dpdk.org, erezf@mellanox.com, kiranv@mellanox.com,
	rasland@mellanox.com, asafp@mellanox.com
Subject: Re: [dpdk-users] mlx5 PMD fails to receive certain icmpv6 multicast
Date: Thu, 07 May 2020 00:05:26 +0200
Message-ID: <3620277.fW5hKsROvD@thomas> (raw)
In-Reply-To: <1753687.1xdlsreqCQ@xps>

26/03/2020 22:11, Thomas Monjalon:
> 06/03/2020 01:45, Liwu Liu:
> > Hi Team,
> > 
> > I am using the mlx5/100G in KVM guest. The host shows this PCI vfNIC is provisioned to the guest:
> >       "17:01.1 Ethernet controller: Mellanox Technologies MT27800 Family [ConnectX-5 Virtual Function]"
> > 
> > I am using DPDK 19.11 with kind of standard configurations, and when DPDK application runs I still have the kernel mlx5e net device present. I have both promiscuous and all-multicast turned on.
> > 
> > It works fine for IPV4, but for IPV6 it fails. It can receive packets destined to 33:33:00:00:00:02 (IPV6 Router solicitation), but cannot receive packets destined to 33:33:ff:00:00:01 (IPV6 neighbor solicitation for some address).
> > 
> > But if I avoid DPDK, directly use the OFED-4.6 based kernel driver, everything works fine as expected.
> > 
> > I am thinking there is some mismatch happened for MLX5 PMD. Please give some advice/hints.
> 
> Adding Mellanox engineers in Cc list for help.

Any update to share please?



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Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-06  0:45 Liwu Liu
2020-03-26 21:11 ` Thomas Monjalon
2020-05-06 22:05   ` Thomas Monjalon [this message]
2020-05-06 22:38     ` Liwu Liu

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