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authorNetanel Belgazal <netanel@amazon.com>2017-06-23 10:21:59 +0200
committerDavid S. Miller <davem@davemloft.net>2017-06-23 20:15:11 +0200
commit11a9a460199f35f6cbd9d65516a262060cba4fec (patch)
tree4f9d9a7ef750042ae35aa9342d4ccce96d8df639 /drivers/net/ethernet/amazon/ena
parentnet: ena: use lower_32_bits()/upper_32_bits() to split dma address (diff)
downloadlinux-11a9a460199f35f6cbd9d65516a262060cba4fec.tar.xz
linux-11a9a460199f35f6cbd9d65516a262060cba4fec.zip
net: ena: update driver's rx drop statistics
rx drop counter is reported by the device in the keep-alive event. update the driver's counter with the device counter. Signed-off-by: Netanel Belgazal <netanel@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amazon/ena')
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_netdev.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 7dee448157bb..f7dc22f65d9f 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -3478,8 +3478,17 @@ static void ena_keep_alive_wd(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
+ struct ena_admin_aenq_keep_alive_desc *desc;
+ u64 rx_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;
+
+ u64_stats_update_begin(&adapter->syncp);
+ adapter->dev_stats.rx_drops = rx_drops;
+ u64_stats_update_end(&adapter->syncp);
}
static void ena_notification(void *adapter_data,