netdev - Re: [PATCH net-next ct-offload v2 06/13] net/mlx5: E-Switch, Introduce global tables

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Date:   Tue, 10 Mar 2020 09:54:59 +0200
From:   Paul Blakey <paulb@...lanox.com>
To:     Saeed Mahameed <saeedm@...lanox.com>,
        "marcelo.leitner@...il.com" <marcelo.leitner@...il.com>
Cc:     Jiri Pirko <jiri@...lanox.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Roi Dayan <roid@...lanox.com>, Oz Shlomo <ozsh@...lanox.com>,
        "jakub.kicinski@...ronome.com" <jakub.kicinski@...ronome.com>,
        Vlad Buslov <vladbu@...lanox.com>,
        "davem@...emloft.net" <davem@...emloft.net>
Subject: Re: [PATCH net-next ct-offload v2 06/13] net/mlx5: E-Switch,
 Introduce global tables


On 3/10/2020 3:54 AM, Saeed Mahameed wrote:
> On Mon, 2020-03-09 at 19:40 -0300, Marcelo Ricardo Leitner wrote:
>> On Sun, Mar 08, 2020 at 04:10:55PM +0200, Paul Blakey wrote:
>>> --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
>>> +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
>>> @@ -149,7 +149,12 @@ struct mlx5_flow_handle *
>>>  	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
>>>  		struct mlx5_flow_table *ft;
>>>  
>>> -		if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH) {
>>> +		if (attr->dest_ft) {
>>> +			flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL;
>>> +			dest[i].type =
>>> MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
>>> +			dest[i].ft = attr->dest_ft;
>>> +			i++;
>>> +		} else if (attr->flags & MLX5_ESW_ATTR_FLAG_SLOW_PATH)
>>> {
>>>  			flow_act.flags |= FLOW_ACT_IGNORE_FLOW_LEVEL;
>>>  			dest[i].type =
>>> MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
>>>  			dest[i].ft =
>>> mlx5_esw_chains_get_tc_end_ft(esw);
>>> @@ -202,8 +207,11 @@ struct mlx5_flow_handle *
>>>  	if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)
>>>  		flow_act.modify_hdr = attr->modify_hdr;
>>>  
>>> -	fdb = mlx5_esw_chains_get_table(esw, attr->chain, attr->prio,
>>> -					!!split);
>>> +	if (attr->chain || attr->prio)
>>> +		fdb = mlx5_esw_chains_get_table(esw, attr->chain, attr-
>>>> prio,
>>> +						!!split);
>>> +	else
>>> +		fdb = attr->fdb;
>> I'm not sure how these/mlx5 patches are supposed to propagate to
>> net-next, but AFAICT here it conflicts with 
>> 96e326878fa5 ("net/mlx5e: Eswitch, Use per vport tables for
>> mirroring")
>>
> Paul, as we agreed, this should have been rebased on top
> latest net-next + ct-offloads from
> git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git
>
> Pleas rebase V3 and once the review is done on this series, i will ask
> Dave to pull 
> ct-offloads from
> git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux.git
>
> which was already reviewed and acked on netdev mailing list.
will do.
>
> Thanks,
> Saeed.
>