diff options
Diffstat (limited to 'debian/patches/features/all/ena/net-ena-fix-retrieval-of-nonadaptive-interrupt-moder.patch')
| -rw-r--r-- | debian/patches/features/all/ena/net-ena-fix-retrieval-of-nonadaptive-interrupt-moder.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/debian/patches/features/all/ena/net-ena-fix-retrieval-of-nonadaptive-interrupt-moder.patch b/debian/patches/features/all/ena/net-ena-fix-retrieval-of-nonadaptive-interrupt-moder.patch new file mode 100644 index 000000000..353f87dbf --- /dev/null +++ b/debian/patches/features/all/ena/net-ena-fix-retrieval-of-nonadaptive-interrupt-moder.patch @@ -0,0 +1,45 @@ +From: Arthur Kiyanovski <akiyano@amazon.com> +Date: Mon, 16 Sep 2019 14:31:35 +0300 +Subject: [PATCH] net: ena: fix retrieval of nonadaptive interrupt moderation + intervals +Origin: https://git.kernel.org/linus/0eda847953d8dfb4b713ea62420f66157e230e13 +Bug-Debian: https://bugs.debian.org/941291 + +Nonadaptive interrupt moderation intervals are assigned the value set +by the user in ethtool -C divided by ena_dev->intr_delay_resolution. + +Therefore when the user tries to get the nonadaptive interrupt moderation +intervals with ethtool -c the code needs to multiply the saved value +by ena_dev->intr_delay_resolution. + +The current code erroneously divides instead of multiplying in ethtool -c. +This patch fixes this. + +Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/amazon/ena/ena_ethtool.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +Index: linux/drivers/net/ethernet/amazon/ena/ena_ethtool.c +=================================================================== +--- linux.orig/drivers/net/ethernet/amazon/ena/ena_ethtool.c ++++ linux/drivers/net/ethernet/amazon/ena/ena_ethtool.c +@@ -310,14 +310,15 @@ static int ena_get_coalesce(struct net_d + /* the devie doesn't support interrupt moderation */ + return -EOPNOTSUPP; + } ++ + coalesce->tx_coalesce_usecs = +- ena_com_get_nonadaptive_moderation_interval_tx(ena_dev) / ++ ena_com_get_nonadaptive_moderation_interval_tx(ena_dev) * + ena_dev->intr_delay_resolution; + + if (!ena_com_get_adaptive_moderation_enabled(ena_dev)) + coalesce->rx_coalesce_usecs = + ena_com_get_nonadaptive_moderation_interval_rx(ena_dev) +- / ena_dev->intr_delay_resolution; ++ * ena_dev->intr_delay_resolution; + + coalesce->use_adaptive_rx_coalesce = + ena_com_get_adaptive_moderation_enabled(ena_dev); |