2014-06-03 20:41:34 +02:00
|
|
|
#
|
|
|
|
|
# For a description of the syntax of this configuration file,
|
|
|
|
|
# see misc/tools/kconfig-language.txt.
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
config NET_IOB
|
|
|
|
|
bool "Network I/O buffer support"
|
|
|
|
|
default n
|
|
|
|
|
---help---
|
|
|
|
|
This setting will build the networking I/O buffer (IOB) support
|
|
|
|
|
library.
|
|
|
|
|
|
|
|
|
|
if NET_IOB
|
|
|
|
|
|
|
|
|
|
config IOB_NBUFFERS
|
|
|
|
|
int "Number of pre-allocated network I/O buffers"
|
2014-06-12 21:32:07 +02:00
|
|
|
default 24
|
2014-06-03 20:41:34 +02:00
|
|
|
---help---
|
|
|
|
|
Each packet is represented by a series of small I/O buffers in a
|
|
|
|
|
chain. This setting determines the number of preallocated I/O
|
|
|
|
|
buffers available for packet data.
|
|
|
|
|
|
|
|
|
|
config IOB_BUFSIZE
|
|
|
|
|
int "Payload size of one network I/O buffer"
|
2014-06-12 21:32:07 +02:00
|
|
|
default 196
|
2014-06-03 20:41:34 +02:00
|
|
|
---help---
|
|
|
|
|
Each packet is represented by a series of small I/O buffers in a
|
|
|
|
|
chain. This setting determines the data payload each preallocated
|
|
|
|
|
I/O buffer.
|
|
|
|
|
|
2014-06-06 17:35:31 +02:00
|
|
|
config IOB_NCHAINS
|
|
|
|
|
int "Number of pre-allocated I/O buffer chain heads"
|
|
|
|
|
default 8
|
|
|
|
|
---help---
|
|
|
|
|
These tiny nodes are used as "containers" to suppor queueing of
|
|
|
|
|
I/O buffer chains. This will limit the number of I/O transactions
|
|
|
|
|
that can be "in-flight" at any give time.
|
|
|
|
|
|
2014-06-03 20:41:34 +02:00
|
|
|
endif # NET_IOB
|
