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Date:   Mon, 9 Mar 2020 19:40:13 -0300
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Paul Blakey <paulb@...lanox.com>
Cc:     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 06/13] net/mlx5: E-Switch,
 Introduce global tables

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")

>  	if (IS_ERR(fdb)) {
>  		rule = ERR_CAST(fdb);
>  		goto err_esw_get;

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