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authorYevgeny Kliteynik <kliteyn@nvidia.com>2022-06-07 15:47:44 +0300
committerSaeed Mahameed <saeedm@nvidia.com>2022-06-13 14:58:01 -0700
commit667658364b2056f344a2769280b939a5e45610be (patch)
tree44a88efc67090e6192909341fb08b427af641bd9 /drivers
parent795e10b450a88b2943a241a5eaa6e86ae4f47694 (diff)
net/mlx5: Manage ICM of type modify-header pattern
Added support for managing new type of ICM for devices that support sw_owner_v2. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Yevgeny Kliteynik <kliteyn@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Acked-by: Saeed Mahameed <saeedm@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c42
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
index 3d5e57ff558c..7e02cbe8c3b9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/dm.c
@@ -12,13 +12,16 @@ struct mlx5_dm {
spinlock_t lock;
unsigned long *steering_sw_icm_alloc_blocks;
unsigned long *header_modify_sw_icm_alloc_blocks;
+ unsigned long *header_modify_pattern_sw_icm_alloc_blocks;
};
struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
{
+ u64 header_modify_pattern_icm_blocks = 0;
u64 header_modify_icm_blocks = 0;
u64 steering_icm_blocks = 0;
struct mlx5_dm *dm;
+ bool support_v2;
if (!(MLX5_CAP_GEN_64(dev, general_obj_types) & MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM))
return NULL;
@@ -53,8 +56,27 @@ struct mlx5_dm *mlx5_dm_create(struct mlx5_core_dev *dev)
goto err_modify_hdr;
}
+ support_v2 = MLX5_CAP_FLOWTABLE_NIC_RX(dev, sw_owner_v2) &&
+ MLX5_CAP_FLOWTABLE_NIC_TX(dev, sw_owner_v2) &&
+ MLX5_CAP64_DEV_MEM(dev, header_modify_pattern_sw_icm_start_address);
+
+ if (support_v2) {
+ header_modify_pattern_icm_blocks =
+ BIT(MLX5_CAP_DEV_MEM(dev, log_header_modify_pattern_sw_icm_size) -
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(dev));
+
+ dm->header_modify_pattern_sw_icm_alloc_blocks =
+ kcalloc(BITS_TO_LONGS(header_modify_pattern_icm_blocks),
+ sizeof(unsigned long), GFP_KERNEL);
+ if (!dm->header_modify_pattern_sw_icm_alloc_blocks)
+ goto err_pattern;
+ }
+
return dm;
+err_pattern:
+ kfree(dm->header_modify_sw_icm_alloc_blocks);
+
err_modify_hdr:
kfree(dm->steering_sw_icm_alloc_blocks);
@@ -86,6 +108,14 @@ void mlx5_dm_cleanup(struct mlx5_core_dev *dev)
kfree(dm->header_modify_sw_icm_alloc_blocks);
}
+ if (dm->header_modify_pattern_sw_icm_alloc_blocks) {
+ WARN_ON(!bitmap_empty(dm->header_modify_pattern_sw_icm_alloc_blocks,
+ BIT(MLX5_CAP_DEV_MEM(dev,
+ log_header_modify_pattern_sw_icm_size) -
+ MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))));
+ kfree(dm->header_modify_pattern_sw_icm_alloc_blocks);
+ }
+
kfree(dm);
}
@@ -130,6 +160,13 @@ int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type,
log_header_modify_sw_icm_size);
block_map = dm->header_modify_sw_icm_alloc_blocks;
break;
+ case MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN:
+ icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
+ header_modify_pattern_sw_icm_start_address);
+ log_icm_size = MLX5_CAP_DEV_MEM(dev,
+ log_header_modify_pattern_sw_icm_size);
+ block_map = dm->header_modify_pattern_sw_icm_alloc_blocks;
+ break;
default:
return -EINVAL;
}
@@ -203,6 +240,11 @@ int mlx5_dm_sw_icm_dealloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type
icm_start_addr = MLX5_CAP64_DEV_MEM(dev, header_modify_sw_icm_start_address);
block_map = dm->header_modify_sw_icm_alloc_blocks;
break;
+ case MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN:
+ icm_start_addr = MLX5_CAP64_DEV_MEM(dev,
+ header_modify_pattern_sw_icm_start_address);
+ block_map = dm->header_modify_pattern_sw_icm_alloc_blocks;
+ break;
default:
return -EINVAL;
}