On 15.10.2014 05:26, Pan Jiafei wrote:
In some platform, there are some hardware block provided to manage buffers to improve performance.
(..)
diff --git a/net/Kconfig b/net/Kconfig index d6b138e..346e021 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -291,6 +291,16 @@ config NET_FLOW_LIMIT with many clients some protection against DoS by a single (spoofed) flow that greatly exceeds average workload. +config USE_HW_SKB + bool "NIC use hardware managed buffer to build skb" + depends on INET
The feature seems to be valid for network devices in general. Why did you make it depending on INET ?? Regards, Oliver
+ ---help--- + If select this, the third party drivers will use hardware managed + buffers to allocate SKB without any modification for the driver. + + Documentation on how to use this featue can be found at + <file:Documentation/networking/hw_skb.txt>. + menu "Network testing" config NET_PKTGEN
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