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Date:   Tue, 10 Mar 2020 09:53:28 +0200
From:   Paul Blakey <paulb@...lanox.com>
To:     Edward Cree <ecree@...arflare.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Oz Shlomo <ozsh@...lanox.com>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Vlad Buslov <vladbu@...lanox.com>,
        David Miller <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jiri Pirko <jiri@...lanox.com>, Roi Dayan <roid@...lanox.com>
Subject: Re: [PATCH net-next ct-offload v2 05/13] net/sched: act_ct: Enable
 hardware offload of flow table entires


On 3/9/2020 11:25 PM, Edward Cree wrote:
> On 08/03/2020 14:10, Paul Blakey wrote:
>> Pass the zone's flow table instance on the flow action to the drivers.
>> Thus, allowing drivers to register FT add/del/stats callbacks.
>>
>> Finally, enable hardware offload on the flow table instance.
>>
>> Signed-off-by: Paul Blakey <paulb@...lanox.com>
>> Reviewed-by: Jiri Pirko <jiri@...lanox.com>
>> ---
>> <snip>
>> diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
>> index 84d5abf..d52185d 100644
>> --- a/net/sched/act_ct.c
>> +++ b/net/sched/act_ct.c
>> @@ -292,6 +292,7 @@ static int tcf_ct_flow_table_get(struct tcf_ct_params *params)
>>  		goto err_insert;
>>  
>>  	ct_ft->nf_ft.type = &flowtable_ct;
>> +	ct_ft->nf_ft.flags |= NF_FLOWTABLE_HW_OFFLOAD;
>>  	err = nf_flow_table_init(&ct_ft->nf_ft);
>>  	if (err)
>>  		goto err_init;
>> @@ -299,6 +300,7 @@ static int tcf_ct_flow_table_get(struct tcf_ct_params *params)
>>  	__module_get(THIS_MODULE);
>>  take_ref:
>>  	params->ct_ft = ct_ft;
>> +	params->nf_ft = &ct_ft->nf_ft;
>>  	ct_ft->ref++;
>>  	spin_unlock_bh(&zones_lock);
> This doesn't seem to apply to net-next (34a568a244be); the label after
>  the __module_get() is 'out_unlock', not 'take_ref'.  Is there a missing
>  prerequisite patch?  Or am I just failing to drive 'git am' correctly?
It's was rebased only on top of saeeds ct-offload, will rebase it on net next as well.
>
> -ed

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