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Commit 36e564b7 authored by Feras Daoud's avatar Feras Daoud Committed by Saeed Mahameed
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net/mlx5e: IPoIB, Use correct timestamp in child receive flow 



The current implementation takes the child timestamp object from
the parent since the rq in mlx5i_complete_rx_cqe belongs to the parent.
This change fixes the issue by taking the correct timestamp.

Fixes: 7e7f4780 ("net/mlx5e: IPoIB, Use hash-table to map between QPN to child netdev")
Signed-off-by: default avatarFeras Daoud <ferasda@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent 5c65c564

drivers/net/ethernet/mellanox/mlx5/core/en_rx.c

+6 −1
Original line number Diff line number Diff line
@@ -1175,7 +1175,9 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, 
					 u32 cqe_bcnt,

					 struct sk_buff *skb)

{

	struct hwtstamp_config *tstamp;

	struct net_device *netdev;

	struct mlx5e_priv *priv;

	char *pseudo_header;

	u32 qpn;

	u8 *dgid;
@@ -1194,6 +1196,9 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, 
		return;

	}



	priv = mlx5i_epriv(netdev);

	tstamp = &priv->tstamp;



	g = (be32_to_cpu(cqe->flags_rqpn) >> 28) & 3;

	dgid = skb->data + MLX5_IB_GRH_DGID_OFFSET;

	if ((!g) || dgid[0] != 0xff)
@@ -1214,7 +1219,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, 
	skb->ip_summed = CHECKSUM_COMPLETE;

	skb->csum = csum_unfold((__force __sum16)cqe->check_sum);



	if (unlikely(mlx5e_rx_hw_stamp(rq->tstamp)))

	if (unlikely(mlx5e_rx_hw_stamp(tstamp)))

		skb_hwtstamps(skb)->hwtstamp =

				mlx5_timecounter_cyc2time(rq->clock, get_cqe_ts(cqe));