From: Tom Herbert
Date: Thu, 29 Jun 2017 11:27:05 -0700
> A proc file (/prox/net/kproxy) is created to list all the running
> kernel proxies and relevant statistics for them.
proc is deprecated for dumping information like this, please use
sock diag instead.
Implement an in-kernel proxy.
This patch defines a new address family for create a kproxy socket
(AF_KPROXY). Two IOCTL operations are defined SIOCKPROXYJOIN and
SIOCKPROXYUNJOIN. The first takes two (TCP) sockets and creates
a proxy between them, the latter destroys the proxy. When the
proxy is e
