From 5c665f8c596ded2d8b876bac024409856117f40e Mon Sep 17 00:00:00 2001 From: Sameeh Jubran Date: Sun, 3 May 2020 09:52:17 +0000 Subject: net: ena: add support for reporting of packet drops 1. Add support for getting tx drops from the device and saving them in the driver. 2. Report tx via netdev stats. Signed-off-by: Igor Chauskin Signed-off-by: Guy Tzalik Signed-off-by: Arthur Kiyanovski Signed-off-by: Sameeh Jubran Signed-off-by: David S. Miller --- drivers/net/ethernet/amazon/ena/ena_admin_defs.h | 8 ++++++++ drivers/net/ethernet/amazon/ena/ena_netdev.c | 6 ++++++ drivers/net/ethernet/amazon/ena/ena_netdev.h | 1 + 3 files changed, 15 insertions(+) (limited to 'drivers/net/ethernet') diff --git a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h index 8baf847e8622..7be3dcbf3d16 100644 --- a/drivers/net/ethernet/amazon/ena/ena_admin_defs.h +++ b/drivers/net/ethernet/amazon/ena/ena_admin_defs.h @@ -404,6 +404,10 @@ struct ena_admin_basic_stats { u32 rx_drops_low; u32 rx_drops_high; + + u32 tx_drops_low; + + u32 tx_drops_high; }; struct ena_admin_acq_get_stats_resp { @@ -1017,6 +1021,10 @@ struct ena_admin_aenq_keep_alive_desc { u32 rx_drops_low; u32 rx_drops_high; + + u32 tx_drops_low; + + u32 tx_drops_high; }; struct ena_admin_ena_mmio_req_read_less_resp { diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 3cea4c9090c2..517681319a57 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -3172,6 +3172,7 @@ static void ena_get_stats64(struct net_device *netdev, struct ena_ring *rx_ring, *tx_ring; unsigned int start; u64 rx_drops; + u64 tx_drops; int i; if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags)) @@ -3206,9 +3207,11 @@ static void ena_get_stats64(struct net_device *netdev, do { start = u64_stats_fetch_begin_irq(&adapter->syncp); rx_drops = adapter->dev_stats.rx_drops; + tx_drops = adapter->dev_stats.tx_drops; } while (u64_stats_fetch_retry_irq(&adapter->syncp, start)); stats->rx_dropped = rx_drops; + stats->tx_dropped = tx_drops; stats->multicast = 0; stats->collisions = 0; @@ -4517,14 +4520,17 @@ static void ena_keep_alive_wd(void *adapter_data, struct ena_adapter *adapter = (struct ena_adapter *)adapter_data; struct ena_admin_aenq_keep_alive_desc *desc; u64 rx_drops; + u64 tx_drops; desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e; adapter->last_keep_alive_jiffies = jiffies; rx_drops = ((u64)desc->rx_drops_high << 32) | desc->rx_drops_low; + tx_drops = ((u64)desc->tx_drops_high << 32) | desc->tx_drops_low; u64_stats_update_begin(&adapter->syncp); adapter->dev_stats.rx_drops = rx_drops; + adapter->dev_stats.tx_drops = tx_drops; u64_stats_update_end(&adapter->syncp); } diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.h b/drivers/net/ethernet/amazon/ena/ena_netdev.h index ebeb911c0efb..bd278c4721c6 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.h +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.h @@ -334,6 +334,7 @@ struct ena_stats_dev { u64 interface_down; u64 admin_q_pause; u64 rx_drops; + u64 tx_drops; }; enum ena_flags_t { -- cgit v1.2.3