[dpdk-dev] [PATCH v2] fix lacp check system address

[Ferruh Yigit]

On 6/4/2020 8:52 AM, podovinnikov wrote:
> Hi Ferruh!
> 
> Unfortunately I didn't see any patch from this link
> 
> https://patchwork.dpdk.org/user/todo/dpdk/?series=8679

It is archived, there is a new version of that patchset,
can you please check it:
https://patches.dpdk.org/project/dpdk/list/?series=9456

Thanks,
ferruh

> 
> 10.04.2020 13:24, Ferruh Yigit пишет:
>> On 4/10/2020 11:21 AM, Ferruh Yigit wrote:
>>> On 4/10/2020 11:15 AM, Ferruh Yigit wrote:
>>>> On 11/26/2019 3:09 PM, podovinnikov wrote:
>>>>> Hi Ferruh
>>>>>
>>>>>> This is bonding patch, please cc bonding maintainers (Chas, instead of John W.
>>>>>> Linville).
>>>>> Sorry about that. I have 2 patches ( one for af packet, one for bonding).
>>>>>
>>>>> I am a little confused.
>>>>>
>>>>>
>>>>>> Can you please give more details, what is failing what is the impact etc.
>>>>> In bond (lacp) we have several nics ( ports )
>>>>>
>>>>> When we have negotiation with peer about what port we prefer,
>>>>>
>>>>> we send information about what system we preferred in partner system
>>>>> name field.
>>>>>
>>>>> Peer also sends us what partner system name it prefer.
>>>>>
>>>>> When we receive a message from it we must compare its preferred
>>>>>
>>>>> system name with our system name, but not with our port mac address
>>>>>
>>>>> In my test I have several problems with that
>>>>>
>>>>> 1. If master port (mac address same as system address)
>>>>>
>>>>> shuts down (I have two ports) I loose connection
>>>>>
>>>>> 2. If secondary port (mac address not same as system address)
>>>>>
>>>>> receives message before master port, my connection is not established.
>>>> Hi Vadim,
>>>>
>>>> Thanks for the info and sorry for late response, it is sitting in backlog for a
>>>> long time now.
>>>>
>>>> @Chas, do you have any objection on the fix, if not I am planning to merge it soon.
>>>>
>>>> Thanks,
>>>> ferruh
>>> cc'ed Xavier, he also has a bonding patch in the backlog waiting for review [1].
>>>
>>>
>>> Vadim, Xavier,
>>>
>>> Since you both send bonding patches, I assume you both know about bonding at
>>> some level, at least more than me, so would you mind reviewing eachother's
>>> patch? So both can go it.
>> + other email address of the Xavier.
>>
>>> Thanks,
>>> ferruh
>>>
>>>
>>> [1]
>>> https://patchwork.dpdk.org/user/todo/dpdk/?series=8679
>>>
>>>>>
>>>>> 26.11.2019 16:27, Ferruh Yigit пишет:
>>>>>> Hi Vadim,
>>>>>>
>>>>>> On 11/26/2019 11:55 AM, Vadim wrote:
>>>>>>> Signed-off-by: Vadim <podovinnikov at protei.ru>
>>>>>> Can you please provide full "Name Surname <email at adress>" signature?
>>>>>>
>>>>>>
>>>>>> This is bonding patch, please cc bonding maintainers (Chas, instead of John W.
>>>>>> Linville).
>>>>>>
>>>>>>> fix lacp check system address
>>>>>> Can you please give more details, what is failing what is the impact etc.
>>>>>>
>>>>>>> ---
>>>>>>>    drivers/net/bonding/rte_eth_bond_8023ad.c | 17 ++++++++++++++++-
>>>>>>>    1 file changed, 16 insertions(+), 1 deletion(-)
>>>>>>>
>>>>>>> diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.c b/drivers/net/bonding/rte_eth_bond_8023ad.c
>>>>>>> index b77a37ddb..d4dda790a 100644
>>>>>>> --- a/drivers/net/bonding/rte_eth_bond_8023ad.c
>>>>>>> +++ b/drivers/net/bonding/rte_eth_bond_8023ad.c
>>>>>>> @@ -792,18 +792,33 @@ rx_machine_update(struct bond_dev_private *internals, uint16_t slave_id,
>>>>>>>    		struct rte_mbuf *lacp_pkt) {
>>>>>>>    	struct lacpdu_header *lacp;
>>>>>>>    	struct lacpdu_actor_partner_params *partner;
>>>>>>> +	struct port *port, *agg;
>>>>>>>    
>>>>>>>    	if (lacp_pkt != NULL) {
>>>>>>>    		lacp = rte_pktmbuf_mtod(lacp_pkt, struct lacpdu_header *);
>>>>>>>    		RTE_ASSERT(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP);
>>>>>>>    
>>>>>>>    		partner = &lacp->lacpdu.partner;
>>>>>>> +		port = &bond_mode_8023ad_ports[slave_id];
>>>>>>> +		agg = &bond_mode_8023ad_ports[port->aggregator_port_id];
>>>>>>> +
>>>>>>>    		if (rte_is_same_ether_addr(&partner->port_params.system,
>>>>>>> -			&internals->mode4.mac_addr)) {
>>>>>>> +							&agg->actor.system)) {
>>>>>>>    			/* This LACP frame is sending to the bonding port
>>>>>>>    			 * so pass it to rx_machine.
>>>>>>>    			 */
>>>>>>>    			rx_machine(internals, slave_id, &lacp->lacpdu);
>>>>>>> +		} else {
>>>>>>> +			char preferred_system_name[RTE_ETHER_ADDR_FMT_SIZE];
>>>>>>> +			char self_system_name[RTE_ETHER_ADDR_FMT_SIZE];
>>>>>>> +			rte_ether_format_addr(preferred_system_name,
>>>>>>> +						RTE_ETHER_ADDR_FMT_SIZE,
>>>>>>> +						&partner->port_params.system);
>>>>>>> +			rte_ether_format_addr(self_system_name,
>>>>>>> +				RTE_ETHER_ADDR_FMT_SIZE, &agg->actor.system);
>>>>>>> +			MODE4_DEBUG("preferred partner system %s not equal "
>>>>>>> +						"self system: %s\n",
>>>>>>> +				preferred_system_name, self_system_name);
>>>>>>>    		}
>>>>>>>    		rte_pktmbuf_free(lacp_pkt);
>>>>>>>    	} else
>>>>>>>