[dpdk-dev] [PATCH v2 6/7] net/mlx5: fix reception when VLAN is added

[Nélio Laranjeiro]

On Tue, Oct 24, 2017 at 06:41:07AM -0700, Yongseok Koh wrote:
> On Tue, Oct 24, 2017 at 09:34:34AM +0200, Nélio Laranjeiro wrote:
> > On Tue, Oct 24, 2017 at 09:11:42AM +0200, Nélio Laranjeiro wrote:
> > > On Mon, Oct 23, 2017 at 12:25:45PM -0700, Yongseok Koh wrote:
> > > > On Mon, Oct 23, 2017 at 04:49:56PM +0200, Nelio Laranjeiro wrote:
> > > > > @@ -261,75 +284,59 @@ priv_dev_traffic_enable(struct priv *priv, struct rte_eth_dev *dev)
> [...]
> > I've wrongly read your last comment, the patch is correct, it won't add
> > multiple time the broadcast multicast, it will add one per expected
> > VLAN.
> > 
> > Example:
> > 
> >  testpmd> set promisc all off
> >  testpmd> set allmulti all off
> >  testpmd> rx_vlan add 0 1330
> >  testpmd> rx_vlan add 0 1331
> > 
> > Will cause this code to add a broadcast flow with VLAN TCI 1330 and
> > another broadcast flow with VLAN TCI 1331, others won't be received.
> > 
> > The user will only receive broadcast packets with VLAN TCI 1330 and
> > 1331.  It is what he expects.
> 
> What I meant was, if there are multiple MAC addresses on a port, the bcast/mcast
> flows will be repeated. For example, if there are 3 valid addrs in
> dev->data->mac_addrs
> 
>     testpmd> mac_addr add 0 <addr1>
>     testpmd> mac_addr add 0 <addr2>
>     testpmd> mac_addr add 0 <addr3>
> 
> and 2 vlan filters are configured like your example above, then 6 ucast flows
> (2 per an addr) will be added along with 6 bcast flows and 6 mcast flows. But it
> only needs 2 bcast flows and 2 mcast flows - one per vlan.

Right, I missed this case.

I'll fix it in a v3.

Thanks,

-- 
Nélio Laranjeiro
6WIND