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

From: Ravi Gunasekaran
Date: Wed Jun 14 2023 - 06:05:58 EST




On 6/14/23 3:12 PM, 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@xxxxxx>
>> ---
>> 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.
>

Sure. I will use "bool" and insert it after "net_id" and send out v2

>
> Thanks!
>
> Paolo
>

--
Regards,
Ravi