netdev - Re: [PATCH mlx5-next 2/5] net/mlx5: Manage ICM type of SW encap

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Message-ID: <20231201171500.GD6535@unreal>
Date: Fri, 1 Dec 2023 19:15:00 +0200
From: Leon Romanovsky <leon@...nel.org>
To: Simon Horman <horms@...nel.org>
Cc: Jason Gunthorpe <jgg@...dia.com>, Shun Hao <shunh@...dia.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, linux-rdma@...r.kernel.org,
	netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
	Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH mlx5-next 2/5] net/mlx5: Manage ICM type of SW encap

On Thu, Nov 30, 2023 at 06:16:11PM +0000, Simon Horman wrote:
> On Tue, Nov 28, 2023 at 02:29:46PM +0200, Leon Romanovsky wrote:
> > From: Shun Hao <shunh@...dia.com>
> > 
> > Support allocate/deallocate the new SW encap ICM type memory.
> > The new ICM type is used for encap context allocation managed by SW,
> > instead FW. It can increase encap context maximum number and allocation
> > speed
> > 
> > Signed-off-by: Shun Hao <shunh@...dia.com>
> > Signed-off-by: Leon Romanovsky <leonro@...dia.com>
> 
> ...
> 
> > @@ -164,6 +188,13 @@ int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
> >  						log_header_modify_pattern_sw_icm_size);
> >  		block_map = dm->header_modify_pattern_sw_icm_alloc_blocks;
> >  		break;
> > +	case MLX5_SW_ICM_TYPE_SW_ENCAP:
> > +		icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
> > +						    indirect_encap_sw_icm_start_address);
> > +		log_icm_size = MLX5_CAP_DEV_MEM(dev,
> > +						log_indirect_encap_sw_icm_size);
> > +		block_map = dm->header_encap_sw_icm_alloc_blocks;
> > +		break;
> >  	default:
> >  		return -EINVAL;
> >  	}
> > @@ -242,6 +273,11 @@ int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type
> >  						    header_modify_pattern_sw_icm_start_address);
> >  		block_map = dm->header_modify_pattern_sw_icm_alloc_blocks;
> >  		break;
> > +	case MLX5_SW_ICM_TYPE_SW_ENCAP:
> > +		icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
> > +						    indirect_encap_sw_icm_start_address);
> > +		block_map = dm->header_encap_sw_icm_alloc_blocks;
> > +		break;
> >  	default:
> >  		return -EINVAL;
> >  	}
> 
> Hi Leon and Shun,
> 
> a minor nit from my side: this patch uses MLX5_SW_ICM_TYPE_SW_ENCAP,
> but that enum value isn't present until the following patch.

Thanks, it was my mistake to reorder patches, will change to right order
and resubmit.