RDMA/mlx5: Attach a DEVX counter via raw flow creation
Allow a user to attach a DEVX counter via mlx5 raw flow creation. In order
to attach a counter we introduce a new attribute:
MLX5_IB_ATTR_CREATE_FLOW_ARR_COUNTERS_DEVX
A counter can be attached to multiple flow steering rules.
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 0707ede..5236169 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3713,7 +3713,8 @@ _create_raw_flow_rule(struct mlx5_ib_dev *dev,
struct mlx5_flow_destination *dst,
struct mlx5_ib_flow_matcher *fs_matcher,
struct mlx5_flow_act *flow_act,
- void *cmd_in, int inlen)
+ void *cmd_in, int inlen,
+ int dst_num)
{
struct mlx5_ib_flow_handler *handler;
struct mlx5_flow_spec *spec;
@@ -3735,7 +3736,7 @@ _create_raw_flow_rule(struct mlx5_ib_dev *dev,
spec->match_criteria_enable = fs_matcher->match_criteria_enable;
handler->rule = mlx5_add_flow_rules(ft, spec,
- flow_act, dst, 1);
+ flow_act, dst, dst_num);
if (IS_ERR(handler->rule)) {
err = PTR_ERR(handler->rule);
@@ -3798,12 +3799,14 @@ struct mlx5_ib_flow_handler *
mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev,
struct mlx5_ib_flow_matcher *fs_matcher,
struct mlx5_flow_act *flow_act,
+ u32 counter_id,
void *cmd_in, int inlen, int dest_id,
int dest_type)
{
struct mlx5_flow_destination *dst;
struct mlx5_ib_flow_prio *ft_prio;
struct mlx5_ib_flow_handler *handler;
+ int dst_num = 0;
bool mcast;
int err;
@@ -3813,7 +3816,7 @@ mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev,
if (fs_matcher->priority > MLX5_IB_FLOW_LAST_PRIO)
return ERR_PTR(-ENOMEM);
- dst = kzalloc(sizeof(*dst), GFP_KERNEL);
+ dst = kzalloc(sizeof(*dst) * 2, GFP_KERNEL);
if (!dst)
return ERR_PTR(-ENOMEM);
@@ -3827,20 +3830,28 @@ mlx5_ib_raw_fs_rule_add(struct mlx5_ib_dev *dev,
}
if (dest_type == MLX5_FLOW_DESTINATION_TYPE_TIR) {
- dst->type = dest_type;
- dst->tir_num = dest_id;
+ dst[dst_num].type = dest_type;
+ dst[dst_num].tir_num = dest_id;
flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
} else if (dest_type == MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE) {
- dst->type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM;
- dst->ft_num = dest_id;
+ dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE_NUM;
+ dst[dst_num].ft_num = dest_id;
flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST;
} else {
- dst->type = MLX5_FLOW_DESTINATION_TYPE_PORT;
+ dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_PORT;
flow_act->action |= MLX5_FLOW_CONTEXT_ACTION_ALLOW;
}
+ dst_num++;
+
+ if (flow_act->action & MLX5_FLOW_CONTEXT_ACTION_COUNT) {
+ dst[dst_num].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER;
+ dst[dst_num].counter_id = counter_id;
+ dst_num++;
+ }
+
handler = _create_raw_flow_rule(dev, ft_prio, dst, fs_matcher, flow_act,
- cmd_in, inlen);
+ cmd_in, inlen, dst_num);
if (IS_ERR(handler)) {
err = PTR_ERR(handler);