linux-kernel - Re: [PATCH] net: hsr: Disable promiscuous mode in offload mode

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Message-ID: <527454c6-7516-c226-dae6-636eea698353@ti.com>
Date:   Wed, 14 Jun 2023 15:35:59 +0530
From:   Ravi Gunasekaran <r-gunasekaran@...com>
To:     Paolo Abeni <pabeni@...hat.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <bigeasy@...utronix.de>
CC:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <rogerq@...nel.org>
Subject: Re: [PATCH] net: hsr: Disable promiscuous mode in offload mode



On 6/14/23 3:14 PM, Paolo Abeni wrote:
> On Wed, 2023-06-14 at 11:42 +0200, Paolo Abeni wrote:
>> On Mon, 2023-06-12 at 15:09 +0530, Ravi Gunasekaran wrote:
>>> When port-to-port forwarding for interfaces in HSR node is enabled,
>>> disable promiscuous mode since L2 frame forward happens at the
>>> offloaded hardware.
>>>
>>> Signed-off-by: Ravi Gunasekaran <r-gunasekaran@...com>
>>> ---
>>>  net/hsr/hsr_device.c |  5 +++++
>>>  net/hsr/hsr_main.h   |  1 +
>>>  net/hsr/hsr_slave.c  | 15 +++++++++++----
>>>  3 files changed, 17 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c
>>> index 5a236aae2366..306f942c3b28 100644
>>> --- a/net/hsr/hsr_device.c
>>> +++ b/net/hsr/hsr_device.c
>>> @@ -531,6 +531,11 @@ int hsr_dev_finalize(struct net_device *hsr_dev, struct net_device *slave[2],
>>>  	if (res)
>>>  		goto err_add_master;
>>>  
>>> +	/* HSR forwarding offload supported in lower device? */
>>> +	if ((slave[0]->features & NETIF_F_HW_HSR_FWD) &&
>>> +	    (slave[1]->features & NETIF_F_HW_HSR_FWD))
>>> +		hsr->fwd_offloaded = true;
>>> +
>>>  	res = register_netdevice(hsr_dev);
>>>  	if (res)
>>>  		goto err_unregister;
>>> diff --git a/net/hsr/hsr_main.h b/net/hsr/hsr_main.h
>>> index 5584c80a5c79..0225fabbe6d1 100644
>>> --- a/net/hsr/hsr_main.h
>>> +++ b/net/hsr/hsr_main.h
>>> @@ -195,6 +195,7 @@ struct hsr_priv {
>>>  	struct hsr_self_node	__rcu *self_node;	/* MACs of slaves */
>>>  	struct timer_list	announce_timer;	/* Supervision frame dispatch */
>>>  	struct timer_list	prune_timer;
>>> +	unsigned int            fwd_offloaded : 1; /* Forwarding offloaded to HW */
>>
>> Please use plain 'bool' instead.
>>
>> Also there is an hole in 'struct hsr_priv' just after 'net_id', you
>> could consider moving this new field there.
> 
> Oops, I almost forgot! Please include the target tree (net-next in this
> case) in the subj prefix on your next submission.
> 

I will take care of this from next submission onwards.

> Thanks,
> 
> Paolo
> 

-- 
Regards,
Ravi