On 04/18/2018 05:31 AM, Sowmini Varadhan wrote: > > I went through the patch set and the code looks fine- it extends existing > infra for TCP/GSO to UDP. > > One thing that was not clear to me about the API: shouldn't UDP_SEGMENT > just be automatically determined in the stack from the pmtu? Whats > the motivation for the socket option for this? also AIUI this can be > either a per-socket or a per-packet option? > > However, I share Sridhar's concerns about the very fundamental change > to UDP message boundary semantics here.
There is no change at all. This will only be used as a mechanism to send X packets of same size. So instead of X system calls , one system call. One traversal of some expensive part of the host stack. The content on the wire should be the same.
