diff options
| author | David Arinzon <darinzon@amazon.com> | 2024-01-30 09:53:44 +0000 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2024-02-01 13:22:12 +0100 |
| commit | bd765cc910127ee8ed6cd83dae0f0bfbca69d71e (patch) | |
| tree | d39e89f273a39de68bea4e7a31d47a28c38710c6 /Documentation/networking/device_drivers | |
| parent | 0def8a15dae7964a32d43bf598e289b19334040a (diff) | |
net: ena: Add more documentation for RX copybreak
This patch contains more details about the functionality
of RX copybreak.
Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'Documentation/networking/device_drivers')
| -rw-r--r-- | Documentation/networking/device_drivers/ethernet/amazon/ena.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/device_drivers/ethernet/amazon/ena.rst b/Documentation/networking/device_drivers/ethernet/amazon/ena.rst index b842bcb14255..a4c7d0c65fd7 100644 --- a/Documentation/networking/device_drivers/ethernet/amazon/ena.rst +++ b/Documentation/networking/device_drivers/ethernet/amazon/ena.rst @@ -211,10 +211,16 @@ Documentation/networking/net_dim.rst RX copybreak ============ + The rx_copybreak is initialized by default to ENA_DEFAULT_RX_COPYBREAK and can be configured by the ETHTOOL_STUNABLE command of the SIOCETHTOOL ioctl. +This option controls the maximum packet length for which the RX +descriptor it was received on would be recycled. When a packet smaller +than RX copybreak bytes is received, it is copied into a new memory +buffer and the RX descriptor is returned to HW. + Statistics ========== |