netdev - [RFC PATCH 2/2] docs: update ppp_generic.rst to describe ioctl PPPIOCBRIDGECHAN

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Message-Id: <20201106181647.16358-3-tparkin@katalix.com>
Date:   Fri,  6 Nov 2020 18:16:47 +0000
From:   Tom Parkin <tparkin@...alix.com>
To:     netdev@...r.kernel.org
Cc:     gnault@...hat.com, jchapman@...alix.com,
        Tom Parkin <tparkin@...alix.com>
Subject: [RFC PATCH 2/2] docs: update ppp_generic.rst to describe ioctl PPPIOCBRIDGECHAN

---
 Documentation/networking/ppp_generic.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/networking/ppp_generic.rst b/Documentation/networking/ppp_generic.rst
index e60504377900..aea950ce953f 100644
--- a/Documentation/networking/ppp_generic.rst
+++ b/Documentation/networking/ppp_generic.rst
@@ -314,6 +314,11 @@ channel are:
   it is connected to.  It will return an EINVAL error if the channel
   is not connected to an interface.
 
+* PPPIOCBRIDGECHAN bridges a channel with another.  When frames are
+  presented to a channel by a call to ppp_input, they are passed to the
+  bridged channel by appending them to the channel's transmit queue.
+  This allows frames from one channel to be switched into another.
+
 * All other ioctl commands are passed to the channel ioctl() function.
 
 The ioctl calls that are available on an instance that is attached to
-- 
2.17.1