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: sta...@dpdk.org; Zhang, Qi Z <qi.z.zh...@intel.com>; Yigit, Ferruh > <ferruh.yi...@intel.com>; Zhao1, Wei <wei.zh...@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.zh...@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
