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net: ena: documentation: update ena.txt 

Small cosmetic changes to ena.txt

Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Sameeh Jubran 2019-06-03 17:43:24 +03:00 committed by David S. Miller
parent 9cb9c0de26
commit adf671ccd2
1 changed files with 4 additions and 1 deletions
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5
Documentation/networking/device_drivers/amazon/ena.txt
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@ -73,7 +73,7 @@ operation.
AQ is used for submitting management commands, and the AQ is used for submitting management commands, and the
results/responses are reported asynchronously through ACQ. results/responses are reported asynchronously through ACQ.
ENA introduces a very small set of management commands with room for ENA introduces a small set of management commands with room for
vendor-specific extensions. Most of the management operations are vendor-specific extensions. Most of the management operations are
framed in a generic Get/Set feature command. framed in a generic Get/Set feature command.
@ -202,11 +202,14 @@ delay value to each level.
The user can enable/disable adaptive moderation, modify the interrupt The user can enable/disable adaptive moderation, modify the interrupt
delay table and restore its default values through sysfs. delay table and restore its default values through sysfs.
RX copybreak:
=============
The rx_copybreak is initialized by default to ENA_DEFAULT_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 and can be configured by the ETHTOOL_STUNABLE command of the
SIOCETHTOOL ioctl. SIOCETHTOOL ioctl.
SKB: SKB:
====
The driver-allocated SKB for frames received from Rx handling using The driver-allocated SKB for frames received from Rx handling using
NAPI context. The allocation method depends on the size of the packet. NAPI context. The allocation method depends on the size of the packet.
If the frame length is larger than rx_copybreak, napi_get_frags() If the frame length is larger than rx_copybreak, napi_get_frags()