From: Eran Ben Elisha Date: Tue, 23 Jun 2015 14:14:13 +0000 (+0300) Subject: net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=f1a3badb0b429cae75b4785c97af35cb89bf1457;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git net/mlx4_en: Use HW counters for rx/tx bytes/packets in PF device Under SRIOV, the port rx/tx bytes/packets statistics should by read from the HW instead of using the PF netdevice SW accounting. This is needed in order to get the full port statistics and not just the PF own ones Signed-off-by: Eran Ben Elisha Signed-off-by: Or Gerlitz Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/mellanox/mlx4/en_port.c b/drivers/net/ethernet/mellanox/mlx4/en_port.c index 73f6277d9ac1..ee99e67187f5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_port.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_port.c @@ -203,6 +203,20 @@ int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) priv->port_stats.tso_packets += ring->tso_packets; priv->port_stats.xmit_more += ring->xmit_more; } + if (mlx4_is_master(mdev->dev)) { + stats->rx_packets = en_stats_adder(&mlx4_en_stats->RTOT_prio_0, + &mlx4_en_stats->RTOT_prio_1, + NUM_PRIORITIES); + stats->tx_packets = en_stats_adder(&mlx4_en_stats->TTOT_prio_0, + &mlx4_en_stats->TTOT_prio_1, + NUM_PRIORITIES); + stats->rx_bytes = en_stats_adder(&mlx4_en_stats->ROCT_prio_0, + &mlx4_en_stats->ROCT_prio_1, + NUM_PRIORITIES); + stats->tx_bytes = en_stats_adder(&mlx4_en_stats->TOCT_prio_0, + &mlx4_en_stats->TOCT_prio_1, + NUM_PRIORITIES); + } /* net device stats */ stats->rx_errors = be64_to_cpu(mlx4_en_stats->PCS) +