> Folks...
> 
> There's no need to compute or check checksums for traffic over the 
> loopback interface.  The following patch makes it optional, and 
> defaults to "off".  Linux also skips checksums in this case, which 
> results in poor results for NetBSD compared to Linux in some 
> benchmarks.
> 
> Comments?

isn't it enough to (ab)use h/w checksum offloading flags?

YAMAMOTO Takashi