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authorMark Bloch <mbloch@nvidia.com>2022-03-15 10:44:14 +0000
committerSaeed Mahameed <saeedm@nvidia.com>2022-05-02 21:21:14 -0700
commitd49d63075e0f56f7f05e3ddda59e0484d8a3aa7b (patch)
tree193df004c847858741f6490bfd3f2f07aa5f2efd /drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
parentd639af621600dc52dd9ed0dcf62b22595f2f5b52 (diff)
net/mlx5: fs, refactor software deletion rule
When deleting a rule make sure that for every type dests_size is decreased only once and no other logic is executed. Without this dests_size might be decreased twice when dests_size == 1 so the if for that type won't be entered and if action has MLX5_FLOW_CONTEXT_ACTION_FWD_DEST set dests_size will be decreased again. Signed-off-by: Mark Bloch <mbloch@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/fs_core.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/fs_core.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 297e6a468a3e..ae83962fc5fc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -550,8 +550,8 @@ static void del_sw_hw_rule(struct fs_node *node)
mutex_unlock(&rule->dest_attr.ft->lock);
}
- if (rule->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER &&
- --fte->dests_size) {
+ if (rule->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_COUNTER) {
+ --fte->dests_size;
fte->modify_mask |=
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION) |
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS);
@@ -559,15 +559,15 @@ static void del_sw_hw_rule(struct fs_node *node)
goto out;
}
- if (rule->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_PORT &&
- --fte->dests_size) {
+ if (rule->dest_attr.type == MLX5_FLOW_DESTINATION_TYPE_PORT) {
+ --fte->dests_size;
fte->modify_mask |= BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION);
fte->action.action &= ~MLX5_FLOW_CONTEXT_ACTION_ALLOW;
goto out;
}
- if ((fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) &&
- --fte->dests_size) {
+ if (fte->action.action & MLX5_FLOW_CONTEXT_ACTION_FWD_DEST) {
+ --fte->dests_size;
fte->modify_mask |=
BIT(MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST);
}