[dpdk-dev] [PATCH] examples/ipv4_multicast: enable multicast promiscuous for all port

Zhao1, Wei wei.zhao1 at intel.com
Thu Oct 25 04:07:40 CEST 2018



> -----Original Message-----
> From: Wang, Dong1
> Sent: Wednesday, October 24, 2018 4:51 PM
> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
> Cc: stable at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>; Yigit, Ferruh
> <ferruh.yigit at intel.com>; Thomas Monjalon <thomas at monjalon.net>
> Subject: RE: [PATCH] examples/ipv4_multicast: enable multicast promiscuous
> for all port
> 
> Tested it with 82599 PF.
> 
> Acked-by: Wang Dong <dong1.wang at intel.com>
> 

Thank you!


> -----Original Message-----
> From: Zhao1, Wei
> Sent: Wednesday, October 24, 2018 16:11
> To: Zhao1, Wei <wei.zhao1 at intel.com>; dev at dpdk.org
> Cc: stable at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>; Yigit, Ferruh
> <ferruh.yigit at intel.com>; Wang, Dong1 <dong1.wang at intel.com>; Thomas
> Monjalon <thomas at monjalon.net>
> Subject: RE: [PATCH] examples/ipv4_multicast: enable multicast promiscuous
> for all port
> 
> Add Wang Dong in the mailing list, he has test this patch.
> 
> 
> > -----Original Message-----
> > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Zhao1, Wei
> > Sent: Wednesday, October 17, 2018 4:09 PM
> > To: dev at dpdk.org
> > Cc: stable at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>; Yigit, Ferruh
> > <ferruh.yigit at intel.com>
> > Subject: Re: [dpdk-dev] [PATCH] examples/ipv4_multicast: enable
> > multicast promiscuous for all port
> >
> > By the way, I think the maintainer's opinion is important for this
> > change, but there is no maintainer name for this example in file
> MAINTAINERS!
> >
> > > -----Original Message-----
> > > From: Zhao1, Wei
> > > Sent: Wednesday, October 17, 2018 3:41 PM
> > > To: dev at dpdk.org
> > > Cc: stable at dpdk.org; Zhang, Qi Z <qi.z.zhang at intel.com>; Yigit,
> > > Ferruh <ferruh.yigit at intel.com>; Zhao1, Wei <wei.zhao1 at intel.com>
> > > Subject: [PATCH] examples/ipv4_multicast: enable multicast
> > > promiscuous for all port
> > >
> > > This example has not been enable for receiving multicast packet, so
> > > it will drop multicast packet. Users must send packet with ether MAC
> > > destination address the same as pf port MAC address, in order to
> > > forward packet successfully, but this is an example for forwarding
> > > ipv4 multicastpacket. So calling function
> > > rte_eth_promiscuous_enable() or rte_eth_allmulticast_enable() can
> > > enable promiscuous mode of all multicast packet. And aslo, DPDK has
> > > rte API function of rte_eth_dev_set_mc_addr_list() for setting
> > > specific multicast filter table for specific multicast IP address,
> > > but this example do not support this configuration, so it need to be
> > > enable multicast promiscuous mode instead.
> > >
> > > Signed-off-by: Wei Zhao <wei.zhao1 at intel.com>
> > > ---
> > >  examples/ipv4_multicast/main.c | 2 +-
> > >  1 file changed, 1 insertion(+), 1 deletion(-)
> > >
> > > diff --git a/examples/ipv4_multicast/main.c
> > > b/examples/ipv4_multicast/main.c index 6530d48..4073a49 100644
> > > --- a/examples/ipv4_multicast/main.c
> > > +++ b/examples/ipv4_multicast/main.c
> > > @@ -773,7 +773,7 @@ main(int argc, char **argv)
> > >  			qconf->tx_queue_id[portid] = queueid;
> > >  			queueid++;
> > >  		}
> > > -
> > > +		rte_eth_allmulticast_enable(portid);
> > >  		/* Start device */
> > >  		ret = rte_eth_dev_start(portid);
> > >  		if (ret < 0)
> > > --
> > > 2.7.5



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