[dpdk-dev] [PATCH] drivers/net/bonding: fix bug for lacp negotiation failed

[Thomas Monjalon]

Still no review.

Please give your real name in the Signed-off so it can be merged.

24/06/2020 12:43, Thomas Monjalon:
> Any review please?
> 
> 19/05/2020 13:18, luyicai:
> > When two host is connected directly without any devices like switch,
> > and also enable dedicated tx/rx queues on bonding devices slaves,
> > rx_machine_update would recieving partner lacp negotiation packets,
> > which partner's port mac filled with zeros. So in this situation,
> > it would never go rx_machine branch with correct mac!
> > Thus bond mode 4 will negotiation failed.
> > 
> > Signed-off-by: luyicai <luyicai at huawei.com>
> > ---
> >  drivers/net/bonding/rte_eth_bond_8023ad.c | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.c b/drivers/net/bonding/rte_eth_bond_8023ad.c
> > index b77a37d..2002ec0 100644
> > --- a/drivers/net/bonding/rte_eth_bond_8023ad.c
> > +++ b/drivers/net/bonding/rte_eth_bond_8023ad.c
> > @@ -798,7 +798,8 @@
> >  		RTE_ASSERT(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP);
> >  
> >  		partner = &lacp->lacpdu.partner;
> > -		if (rte_is_same_ether_addr(&partner->port_params.system,
> > +		if (rte_is_zero_ether_addr(&partner->port_params.system) ||
> > +			rte_is_same_ether_addr(&partner->port_params.system,
> >  			&internals->mode4.mac_addr)) {
> >  			/* This LACP frame is sending to the bonding port
> >  			 * so pass it to rx_machine.
> > 
> 
> 
> 
> 
> 
>