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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 <igorch@amazon.com> Signed-off-by: Guy Tzalik <gtzalik@amazon.com> Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> Signed-off-by: Sameeh Jubran <sameehj@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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3 changed files with 15 additions and 0 deletions
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@ -404,6 +404,10 @@ struct ena_admin_basic_stats {
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u32 rx_drops_low;
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u32 rx_drops_low;
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u32 rx_drops_high;
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u32 rx_drops_high;
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u32 tx_drops_low;
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u32 tx_drops_high;
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};
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};
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struct ena_admin_acq_get_stats_resp {
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struct ena_admin_acq_get_stats_resp {
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@ -1017,6 +1021,10 @@ struct ena_admin_aenq_keep_alive_desc {
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u32 rx_drops_low;
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u32 rx_drops_low;
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u32 rx_drops_high;
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u32 rx_drops_high;
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u32 tx_drops_low;
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u32 tx_drops_high;
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};
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};
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struct ena_admin_ena_mmio_req_read_less_resp {
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struct ena_admin_ena_mmio_req_read_less_resp {
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@ -3172,6 +3172,7 @@ static void ena_get_stats64(struct net_device *netdev,
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struct ena_ring *rx_ring, *tx_ring;
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struct ena_ring *rx_ring, *tx_ring;
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unsigned int start;
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unsigned int start;
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u64 rx_drops;
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u64 rx_drops;
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u64 tx_drops;
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int i;
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int i;
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if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
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if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
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@ -3206,9 +3207,11 @@ static void ena_get_stats64(struct net_device *netdev,
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do {
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do {
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start = u64_stats_fetch_begin_irq(&adapter->syncp);
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start = u64_stats_fetch_begin_irq(&adapter->syncp);
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rx_drops = adapter->dev_stats.rx_drops;
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rx_drops = adapter->dev_stats.rx_drops;
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tx_drops = adapter->dev_stats.tx_drops;
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} while (u64_stats_fetch_retry_irq(&adapter->syncp, start));
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} while (u64_stats_fetch_retry_irq(&adapter->syncp, start));
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stats->rx_dropped = rx_drops;
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stats->rx_dropped = rx_drops;
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stats->tx_dropped = tx_drops;
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stats->multicast = 0;
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stats->multicast = 0;
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stats->collisions = 0;
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stats->collisions = 0;
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@ -4517,14 +4520,17 @@ static void ena_keep_alive_wd(void *adapter_data,
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struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
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struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
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struct ena_admin_aenq_keep_alive_desc *desc;
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struct ena_admin_aenq_keep_alive_desc *desc;
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u64 rx_drops;
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u64 rx_drops;
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u64 tx_drops;
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desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e;
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desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e;
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adapter->last_keep_alive_jiffies = jiffies;
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adapter->last_keep_alive_jiffies = jiffies;
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rx_drops = ((u64)desc->rx_drops_high << 32) | desc->rx_drops_low;
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rx_drops = ((u64)desc->rx_drops_high << 32) | desc->rx_drops_low;
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tx_drops = ((u64)desc->tx_drops_high << 32) | desc->tx_drops_low;
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u64_stats_update_begin(&adapter->syncp);
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u64_stats_update_begin(&adapter->syncp);
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adapter->dev_stats.rx_drops = rx_drops;
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adapter->dev_stats.rx_drops = rx_drops;
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adapter->dev_stats.tx_drops = tx_drops;
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u64_stats_update_end(&adapter->syncp);
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u64_stats_update_end(&adapter->syncp);
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}
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}
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@ -334,6 +334,7 @@ struct ena_stats_dev {
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u64 interface_down;
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u64 interface_down;
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u64 admin_q_pause;
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u64 admin_q_pause;
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u64 rx_drops;
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u64 rx_drops;
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u64 tx_drops;
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};
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};
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enum ena_flags_t {
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enum ena_flags_t {
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