return (ptpsq->ts_cqe_ctr_mask && (skb_cc != skb_id));
}
+static bool mlx5e_ptp_ts_cqe_ooo(struct mlx5e_ptpsq *ptpsq, u16 skb_id)
+{
+ u16 skb_cc = PTP_WQE_CTR2IDX(ptpsq->skb_fifo_cc);
+ u16 skb_pc = PTP_WQE_CTR2IDX(ptpsq->skb_fifo_pc);
+
+ if (PTP_WQE_CTR2IDX(skb_id - skb_cc) >= PTP_WQE_CTR2IDX(skb_pc - skb_cc))
+ return true;
+
+ return false;
+}
+
static void mlx5e_ptp_skb_fifo_ts_cqe_resync(struct mlx5e_ptpsq *ptpsq, u16 skb_cc,
u16 skb_id, int budget)
{
goto out;
}
- if (mlx5e_ptp_ts_cqe_drop(ptpsq, skb_cc, skb_id))
+ if (mlx5e_ptp_ts_cqe_drop(ptpsq, skb_cc, skb_id)) {
+ if (mlx5e_ptp_ts_cqe_ooo(ptpsq, skb_id)) {
+ /* already handled by a previous resync */
+ ptpsq->cq_stats->ooo_cqe_drop++;
+ return;
+ }
mlx5e_ptp_skb_fifo_ts_cqe_resync(ptpsq, skb_cc, skb_id, budget);
+ }
skb = mlx5e_skb_fifo_pop(&ptpsq->skb_fifo);
hwtstamp = mlx5e_cqe_ts_to_ns(sq->ptp_cyc2time, sq->clock, get_cqe_ts(cqe));
{ MLX5E_DECLARE_PTP_CQ_STAT(struct mlx5e_ptp_cq_stats, abort_abs_diff_ns) },
{ MLX5E_DECLARE_PTP_CQ_STAT(struct mlx5e_ptp_cq_stats, resync_cqe) },
{ MLX5E_DECLARE_PTP_CQ_STAT(struct mlx5e_ptp_cq_stats, resync_event) },
+ { MLX5E_DECLARE_PTP_CQ_STAT(struct mlx5e_ptp_cq_stats, ooo_cqe_drop) },
};
static const struct counter_desc ptp_rq_stats_desc[] = {