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

["Zhao1, Wei" <wei.zhao1@intel.com>]

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@dpdk.org
> Cc: stable@dpdk.org; Zhang, Qi Z <qi.z.zhang@intel.com>; Yigit, Ferruh
> <ferruh.yigit@intel.com>; Zhao1, Wei <wei.zhao1@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@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