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net/mlx5: Refactor find_flow_rule 

The way we compare between two dests will need to be used in other
places in the future, so we factor out the comparison logic
between two dests into a separate function.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Mark Bloch 2016-09-16 07:00:10 +00:00 committed by Leon Romanovsky
parent 0501fc477c
commit 814fb87541
1 changed files with 20 additions and 9 deletions
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29
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
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@ -153,6 +153,8 @@ static void del_rule(struct fs_node *node);
static void del_flow_table(struct fs_node *node);
static void del_flow_group(struct fs_node *node);
static void del_fte(struct fs_node *node);
static bool mlx5_flow_dests_cmp(struct mlx5_flow_destination *d1,
struct mlx5_flow_destination *d2);
static void tree_init_node(struct fs_node *node,
unsigned int refcount,
@ -1064,21 +1066,30 @@ out:
return fg;
}
static bool mlx5_flow_dests_cmp(struct mlx5_flow_destination *d1,
struct mlx5_flow_destination *d2)
{
if (d1->type == d2->type) {
if ((d1->type == MLX5_FLOW_DESTINATION_TYPE_VPORT &&
d1->vport_num == d2->vport_num) ||
(d1->type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE &&
d1->ft == d2->ft) ||
(d1->type == MLX5_FLOW_DESTINATION_TYPE_TIR &&
d1->tir_num == d2->tir_num))
return true;
}
return false;
}
static struct mlx5_flow_rule *find_flow_rule(struct fs_fte *fte,
struct mlx5_flow_destination *dest)
{
struct mlx5_flow_rule *rule;
list_for_each_entry(rule, &fte->node.children, node.list) {
if (rule->dest_attr.type == dest->type) {
if ((dest->type == MLX5_FLOW_DESTINATION_TYPE_VPORT &&
dest->vport_num == rule->dest_attr.vport_num) ||
(dest->type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE &&
dest->ft == rule->dest_attr.ft) ||
(dest->type == MLX5_FLOW_DESTINATION_TYPE_TIR &&
dest->tir_num == rule->dest_attr.tir_num))
return rule;
}
if (mlx5_flow_dests_cmp(&rule->dest_attr, dest))
return rule;
}
return NULL;
}