netdev - Re: [patch net-next 08/26] net: add info struct for LAG changeupper

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Date:	Wed, 2 Dec 2015 12:06:47 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, idosch@...lanox.com,
	eladr@...lanox.com, yotamg@...lanox.com, ogerlitz@...lanox.com
Subject: Re: [patch net-next 08/26] net: add info struct for LAG changeupper

Wed, Dec 02, 2015 at 11:59:59AM CET, nikolay@...ulusnetworks.com wrote:
>On 12/01/2015 02:48 PM, Jiri Pirko wrote:
>> From: Jiri Pirko <jiri@...lanox.com>
>> 
>> This struct will be shared by bonding and team to pass internal
>> information to notifier listeners.
>> 
>> Signed-off-by: Jiri Pirko <jiri@...lanox.com>
>> ---
>>  include/linux/netdevice.h | 13 +++++++++++++
>>  1 file changed, 13 insertions(+)
>> 
>> diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
>> index a55be5b..7ea3e83 100644
>> --- a/include/linux/netdevice.h
>> +++ b/include/linux/netdevice.h
>> @@ -2108,6 +2108,19 @@ struct pcpu_sw_netstats {
>>  #define netdev_alloc_pcpu_stats(type)					\
>>  	__netdev_alloc_pcpu_stats(type, GFP_KERNEL);
>>  
>> +enum netdev_lag_tx_type {
>> +	NETDEV_LAG_TX_TYPE_UNKNOWN,
>> +	NETDEV_LAG_TX_TYPE_RANDOM,
>> +	NETDEV_LAG_TX_TYPE_BROADCAST,
>> +	NETDEV_LAG_TX_TYPE_ROUNDROBIN,
>> +	NETDEV_LAG_TX_TYPE_ACTIVEBACKUP,
>> +	NETDEV_LAG_TX_TYPE_HASH,
>> +};
>
>There're 2 more modes supported by the bonding which aren't supported by team,
>RLB and TLB. Since you've included _RANDOM, for completeness you can add
>these, too.

For now it is "NETDEV_LAG_TX_TYPE_UNKNOWN". If needed to be identified
by driver, it can be easily added.


>
>> +
>> +struct netdev_lag_upper_info {
>> +	enum netdev_lag_tx_type tx_type;
>> +};
>> +
>>  #include <linux/notifier.h>
>>  
>>  /* netdevice notifier chain. Please remember to update the rtnetlink
>> 
>
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