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net/mlx5: Support different attributes for priorities in namespace

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Currently, namespace could be initialized only
with priorities with the same attributes.
Add support to initialize namespace with priorities
with different attributes(e.g. different number of levels).

Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Maor Gottlieb 2016-04-29 01:36:36 +03:00 committed by David S. Miller
parent d63cd28608
commit 13de6c106c
1 changed files with 19 additions and 12 deletions
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31
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
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@ -74,9 +74,10 @@
#define BY_PASS_MIN_LEVEL (KERNEL_MIN_LEVEL + MLX5_BY_PASS_NUM_PRIOS +\
LEFTOVERS_NUM_PRIOS)
#define KERNEL_NUM_LEVELS 3
#define KERNEL_NUM_PRIOS 2
#define KERNEL_MIN_LEVEL 2
#define KERNEL_NIC_PRIO_NUM_LEVELS 2
#define KERNEL_NIC_NUM_PRIOS 1
/* One more level for tc */
#define KERNEL_MIN_LEVEL (KERNEL_NIC_PRIO_NUM_LEVELS + 1)
#define ANCHOR_NUM_LEVELS 1
#define ANCHOR_NUM_PRIOS 1
@ -106,8 +107,9 @@ static struct init_tree_node {
ADD_NS(ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,
BY_PASS_PRIO_NUM_LEVELS))),
ADD_PRIO(0, KERNEL_MIN_LEVEL, 0, {},
ADD_NS(ADD_MULTIPLE_PRIO(KERNEL_NUM_PRIOS,
KERNEL_NUM_LEVELS))),
ADD_NS(ADD_MULTIPLE_PRIO(1, 1),
ADD_MULTIPLE_PRIO(KERNEL_NIC_NUM_PRIOS,
KERNEL_NIC_PRIO_NUM_LEVELS))),
ADD_PRIO(0, BY_PASS_MIN_LEVEL, 0,
FS_REQUIRED_CAPS(FS_CAP(flow_table_properties_nic_receive.flow_modify_en),
FS_CAP(flow_table_properties_nic_receive.modify_root),
@ -1375,14 +1377,14 @@ static struct mlx5_flow_namespace *fs_create_namespace(struct fs_prio *prio)
return ns;
}
static int create_leaf_prios(struct mlx5_flow_namespace *ns, struct init_tree_node
*prio_metadata)
static int create_leaf_prios(struct mlx5_flow_namespace *ns, int prio,
struct init_tree_node *prio_metadata)
{
struct fs_prio *fs_prio;
int i;
for (i = 0; i < prio_metadata->num_leaf_prios; i++) {
fs_prio = fs_create_prio(ns, i, prio_metadata->num_levels);
fs_prio = fs_create_prio(ns, prio++, prio_metadata->num_levels);
if (IS_ERR(fs_prio))
return PTR_ERR(fs_prio);
}
@ -1409,7 +1411,7 @@ static int init_root_tree_recursive(struct mlx5_core_dev *dev,
struct init_tree_node *init_node,
struct fs_node *fs_parent_node,
struct init_tree_node *init_parent_node,
int index)
int prio)
{
int max_ft_level = MLX5_CAP_FLOWTABLE(dev,
flow_table_properties_nic_receive.
@ -1427,8 +1429,8 @@ static int init_root_tree_recursive(struct mlx5_core_dev *dev,
fs_get_obj(fs_ns, fs_parent_node);
if (init_node->num_leaf_prios)
return create_leaf_prios(fs_ns, init_node);
fs_prio = fs_create_prio(fs_ns, index, init_node->num_levels);
return create_leaf_prios(fs_ns, prio, init_node);
fs_prio = fs_create_prio(fs_ns, prio, init_node->num_levels);
if (IS_ERR(fs_prio))
return PTR_ERR(fs_prio);
base = &fs_prio->node;
@ -1441,11 +1443,16 @@ static int init_root_tree_recursive(struct mlx5_core_dev *dev,
} else {
return -EINVAL;
}
prio = 0;
for (i = 0; i < init_node->ar_size; i++) {
err = init_root_tree_recursive(dev, &init_node->children[i],
base, init_node, i);
base, init_node, prio);
if (err)
return err;
if (init_node->children[i].type == FS_TYPE_PRIO &&
init_node->children[i].num_leaf_prios) {
prio += init_node->children[i].num_leaf_prios;
}
}
return 0;