svn commit: r333022 - head/share/man/man4
Edward Tomasz Napierala
trasz at FreeBSD.org
Thu Apr 26 17:34:54 UTC 2018
Author: trasz
Date: Thu Apr 26 17:34:53 2018
New Revision: 333022
URL: https://svnweb.freebsd.org/changeset/base/333022
Log:
Clarify which USB specs are supported by cdce(4) and umodem(4).
Discussed with: hselasky@
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Modified:
head/share/man/man4/cdce.4
head/share/man/man4/umodem.4
Modified: head/share/man/man4/cdce.4
==============================================================================
--- head/share/man/man4/cdce.4 Thu Apr 26 17:32:35 2018 (r333021)
+++ head/share/man/man4/cdce.4 Thu Apr 26 17:34:53 2018 (r333022)
@@ -33,7 +33,7 @@
.Os
.Sh NAME
.Nm cdce
-.Nd "USB Communication Device Class Ethernet driver"
+.Nd "USB Communication Device Class Ethernet (CDC ECM/NCM) driver"
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
@@ -58,7 +58,9 @@ The
.Nm
driver provides support for USB Host-to-Host (aka USB-to-USB) and
USB-to-Ethernet bridges based on the USB Communication Device Class
-(CDC) and Ethernet subclass.
+Ethernet Control Model (CDC ECM) and Network Control Model (CDC NCM)
+specifications.
+It also provides device-level CDC ECM support.
.Pp
The USB bridge appears as a regular network interface on both sides,
transporting Ethernet frames.
Modified: head/share/man/man4/umodem.4
==============================================================================
--- head/share/man/man4/umodem.4 Thu Apr 26 17:32:35 2018 (r333021)
+++ head/share/man/man4/umodem.4 Thu Apr 26 17:34:53 2018 (r333022)
@@ -34,7 +34,7 @@
.Os
.Sh NAME
.Nm umodem
-.Nd USB modem support
+.Nd USB Communication Device Class serial (CDC ACM) driver
.Sh SYNOPSIS
To compile this driver into the kernel,
place the following lines in your
@@ -54,9 +54,10 @@ umodem_load="YES"
.Sh DESCRIPTION
The
.Nm
-driver provides support for USB modems in the Communication
-Device Class using the Abstract Control Model.
-These modems are basically standard serial line modems, but they are
+driver provides support for USB modems and serial devices that
+implement the Communication Device Class Abstract Control Model (CDC ACM).
+It also implement device-side CDC ACM support.
+Supported modems are basically standard serial line modems, but they are
accessed via USB instead.
They support a regular AT command set.
The commands can either be multiplexed with the data stream
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