diff options
Diffstat (limited to 'Documentation/networking/device_drivers/ethernet/amazon/ena.rst')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/amazon/ena.rst | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/amazon/ena.rst b/Documentation/networking/device_drivers/ethernet/amazon/ena.rst index 11af6388ea87..3561a8a29fd2 100644 --- a/Documentation/networking/device_drivers/ethernet/amazon/ena.rst +++ b/Documentation/networking/device_drivers/ethernet/amazon/ena.rst @@ -39,16 +39,6 @@ debug logs. Some of the ENA devices support a working mode called Low-latency Queue (LLQ), which saves several more microseconds. -Supported PCI vendor ID/device IDs -================================== - -========= ======================= -1d0f:0ec2 ENA PF -1d0f:1ec2 ENA PF with LLQ support -1d0f:ec20 ENA VF -1d0f:ec21 ENA VF with LLQ support -========= ======================= - ENA Source Code Directory Structure =================================== @@ -212,20 +202,11 @@ In adaptive interrupt moderation mode the interrupt delay value is updated by the driver dynamically and adjusted every NAPI cycle according to the traffic nature. -By default ENA driver applies adaptive coalescing on Rx traffic and -conventional coalescing on Tx traffic. - Adaptive coalescing can be switched on/off through ethtool(8) adaptive_rx on|off parameter. -The driver chooses interrupt delay value according to the number of -bytes and packets received between interrupt unmasking and interrupt -posting. The driver uses interrupt delay table that subdivides the -range of received bytes/packets into 5 levels and assigns interrupt -delay value to each level. - -The user can enable/disable adaptive moderation, modify the interrupt -delay table and restore its default values through sysfs. +More information about Adaptive Interrupt Moderation (DIM) can be found in +Documentation/networking/net_dim.rst RX copybreak ============ @@ -274,7 +255,7 @@ RSS inputs for hash functions. - The driver configures RSS settings using the AQ SetFeature command (ENA_ADMIN_RSS_HASH_FUNCTION, ENA_ADMIN_RSS_HASH_INPUT and - ENA_ADMIN_RSS_REDIRECTION_TABLE_CONFIG properties). + ENA_ADMIN_RSS_INDIRECTION_TABLE_CONFIG properties). - If the NETIF_F_RXHASH flag is set, the 32-bit result of the hash function delivered in the Rx CQ descriptor is set in the received SKB. |