diff options
| author |   Arthur Kiyanovski <akiyano@amazon.com> | 2019-09-16 14:31:36 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-09-16 22:06:03 +0200 |
| commit | 79226cea4a5ebbd84a4eee1762526f664c7beb62 (patch) | |
| tree | b8110d3f7480f504771f6e3f13782741eb4c34ef /drivers/net/ethernet/amazon/ena/ena_netdev.c | |
| parent | net: ena: fix retrieval of nonadaptive interrupt moderation intervals (diff) | |
| download | linux-dev-79226cea4a5ebbd84a4eee1762526f664c7beb62.tar.xz linux-dev-79226cea4a5ebbd84a4eee1762526f664c7beb62.zip | |
net: ena: fix incorrect update of intr_delay_resolution
ena_dev->intr_moder_rx/tx_interval save the intervals received from the
user after dividing them by ena_dev->intr_delay_resolution. Therefore
when intr_delay_resolution changes, the code needs to first mutiply
intr_moder_rx/tx_interval by the previous intr_delay_resolution to get
the value originally given by the user, and only then divide it by the
new intr_delay_resolution.
Current code does not first multiply intr_moder_rx/tx_interval by the old
intr_delay_resolution. This commit fixes it.
Also initialize ena_dev->intr_delay_resolution to be 1.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | drivers/net/ethernet/amazon/ena/ena_netdev.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index 54539e57aa73..e4bf7a4af87a 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -3500,6 +3500,7 @@ static int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent) */ ena_dev->intr_moder_tx_interval = ENA_INTR_INITIAL_TX_INTERVAL_USECS; ena_dev->intr_moder_rx_interval = ENA_INTR_INITIAL_RX_INTERVAL_USECS; + ena_dev->intr_delay_resolution = ENA_DEFAULT_INTR_DELAY_RESOLUTION; io_queue_num = ena_calc_io_queue_num(pdev, ena_dev, &get_feat_ctx); rc = ena_calc_queue_size(&calc_queue_ctx); if (rc || io_queue_num <= 0) { |