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path: root/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
index bb11e644d24f..af3928eddafd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/ptp.c
@@ -177,6 +177,8 @@ static void mlx5e_ptpsq_mark_ts_cqes_undelivered(struct mlx5e_ptpsq *ptpsq,
static void mlx5e_ptp_handle_ts_cqe(struct mlx5e_ptpsq *ptpsq,
struct mlx5_cqe64 *cqe,
+ u8 *md_buff,
+ u8 *md_buff_sz,
int budget)
{
struct mlx5e_ptp_port_ts_cqe_list *pending_cqe_list = ptpsq->ts_cqe_pending_list;
@@ -211,19 +213,24 @@ static void mlx5e_ptp_handle_ts_cqe(struct mlx5e_ptpsq *ptpsq,
mlx5e_ptpsq_mark_ts_cqes_undelivered(ptpsq, hwtstamp);
out:
napi_consume_skb(skb, budget);
- mlx5e_ptp_metadata_fifo_push(&ptpsq->metadata_freelist, metadata_id);
+ md_buff[*md_buff_sz++] = metadata_id;
if (unlikely(mlx5e_ptp_metadata_map_unhealthy(&ptpsq->metadata_map)) &&
!test_and_set_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state))
queue_work(ptpsq->txqsq.priv->wq, &ptpsq->report_unhealthy_work);
}
-static bool mlx5e_ptp_poll_ts_cq(struct mlx5e_cq *cq, int budget)
+static bool mlx5e_ptp_poll_ts_cq(struct mlx5e_cq *cq, int napi_budget)
{
struct mlx5e_ptpsq *ptpsq = container_of(cq, struct mlx5e_ptpsq, ts_cq);
- struct mlx5_cqwq *cqwq = &cq->wq;
+ int budget = min(napi_budget, MLX5E_TX_CQ_POLL_BUDGET);
+ u8 metadata_buff[MLX5E_TX_CQ_POLL_BUDGET];
+ u8 metadata_buff_sz = 0;
+ struct mlx5_cqwq *cqwq;
struct mlx5_cqe64 *cqe;
int work_done = 0;
+ cqwq = &cq->wq;
+
if (unlikely(!test_bit(MLX5E_SQ_STATE_ENABLED, &ptpsq->txqsq.state)))
return false;
@@ -234,7 +241,8 @@ static bool mlx5e_ptp_poll_ts_cq(struct mlx5e_cq *cq, int budget)
do {
mlx5_cqwq_pop(cqwq);
- mlx5e_ptp_handle_ts_cqe(ptpsq, cqe, budget);
+ mlx5e_ptp_handle_ts_cqe(ptpsq, cqe,
+ metadata_buff, &metadata_buff_sz, napi_budget);
} while ((++work_done < budget) && (cqe = mlx5_cqwq_get_cqe(cqwq)));
mlx5_cqwq_update_db_record(cqwq);
@@ -242,6 +250,10 @@ static bool mlx5e_ptp_poll_ts_cq(struct mlx5e_cq *cq, int budget)
/* ensure cq space is freed before enabling more cqes */
wmb();
+ while (metadata_buff_sz > 0)
+ mlx5e_ptp_metadata_fifo_push(&ptpsq->metadata_freelist,
+ metadata_buff[--metadata_buff_sz]);
+
mlx5e_txqsq_wake(&ptpsq->txqsq);
return work_done == budget;