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net/mlx5: Add modify FTE helper function

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Add modify FTE helper function and use it when deleting a rule, as a
pre-step towards consolidated FTE modification, with no functional
change.

Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Maor Gottlieb <maorg@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eli Britstein 2019-01-08 09:29:22 +02:00 committed by Saeed Mahameed
parent 6237634d8f
commit e7aafc8f04
2 changed files with 30 additions and 21 deletions
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50
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
View File

@ -420,22 +420,37 @@ static void del_sw_flow_table(struct fs_node *node)
kfree(ft);
}
static void del_sw_hw_rule(struct fs_node *node)
static void modify_fte(struct fs_fte *fte)
{
struct mlx5_flow_root_namespace *root;
struct mlx5_flow_rule *rule;
struct mlx5_flow_table *ft;
struct mlx5_flow_group *fg;
struct fs_fte *fte;
int modify_mask;
struct mlx5_core_dev *dev = get_dev(node);
struct mlx5_core_dev *dev;
int err;
bool update_fte = false;
if (!fte->modify_mask)
return;
fs_get_obj(fg, fte->node.parent);
fs_get_obj(ft, fg->node.parent);
dev = get_dev(&fte->node);
root = find_root(&ft->node);
err = root->cmds->update_fte(dev, ft, fg->id, fte->modify_mask, fte);
if (err)
mlx5_core_warn(dev,
"%s can't del rule fg id=%d fte_index=%d\n",
__func__, fg->id, fte->index);
fte->modify_mask = 0;
}
static void del_sw_hw_rule(struct fs_node *node)
{
struct mlx5_flow_rule *rule;
struct fs_fte *fte;
fs_get_obj(rule, node);
fs_get_obj(fte, rule->node.parent);
fs_get_obj(fg, fte->node.parent);
fs_get_obj(ft, fg->node.parent);
trace_mlx5_fs_del_rule(rule);
if (rule->sw_action == MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO) {
mutex_lock(&rule->dest_attr.ft->lock);
@ -445,27 +460,20 @@ static void del_sw_hw_rule(struct fs_node *node)
if (rule->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER &&
--fte->dests_size) {
modify_mask = BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION) |
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS);
fte->modify_mask |=
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION) |
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS);
fte->action.action &= ~MLX5_FLOW_CONTEXT_ACTION_COUNT;
update_fte = true;
goto out;
}
if ((fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) &&
--fte->dests_size) {
modify_mask = BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST);
update_fte = true;
fte->modify_mask |=
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST);
}
out:
root = find_root(&ft->node);
if (update_fte && fte->dests_size) {
err = root->cmds->update_fte(dev, ft, fg->id, modify_mask, fte);
if (err)
mlx5_core_warn(dev,
"%s can't del rule fg id=%d fte_index=%d\n",
__func__, fg->id, fte->index);
}
modify_fte(fte);
kfree(rule);
}

1
drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
View File

@ -172,6 +172,7 @@ struct fs_fte {
enum fs_fte_status status;
struct mlx5_fc *counter;
struct rhash_head hash;
int modify_mask;
};
/* Type of children is mlx5_flow_table/namespace */