From b3482e8d8f8970d481b9bfdb6662a8b67a973537 Mon Sep 17 00:00:00 2001
From: John Call <johnsimcall@gmail.com>
Date: Mon, 19 Dec 2022 19:01:50 +0000
Subject: [PATCH 6/8] Add documentation examples for using bus-device
 identification

---
 tools/usbredirect.1 | 6 ++++++
 tools/usbredirect.c | 2 +-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/usbredirect.1 b/tools/usbredirect.1
index d6b2a63..2be8be0 100644
--- a/tools/usbredirect.1
+++ b/tools/usbredirect.1
@@ -4,6 +4,9 @@ usbredirect \- exporting an USB device for use from another (virtual) machine
 .SH SYNOPSIS
 .B usbredirect
 [\fI--device vendor:product\fR] [\fI--to addr:port\fR] [\fI--as addr:port\fR]
+.br
+.B usbredirect
+[\fI--device bus-device\fR] [\fI--to addr:port\fR] [\fI--as addr:port\fR]
 .SH DESCRIPTION
 usbredirect is an usbredir client for exporting an USB device either as TCP
 client or server, for use from another (virtual) machine through the usbredir
@@ -11,6 +14,9 @@ protocol.
 .PP
 You can specify the USB device to export by USB id in the form of
 \fI<vendorid>:<prodid>\fR.
+.br
+Or you can specify the USB device to export in the form of
+\fI<busnum>-<devnum>\fR.
 .PP
 Notice that an instance of usbredirect can only be used to export a single USB
 device and it will close once the other side closes the connection. If you
diff --git a/tools/usbredirect.c b/tools/usbredirect.c
index b6a30ad..95f3580 100644
--- a/tools/usbredirect.c
+++ b/tools/usbredirect.c
@@ -138,7 +138,7 @@ parse_opts(int *argc, char ***argv)
     redirect *self = NULL;
 
     GOptionEntry entries[] = {
-        { "device", 0, 0, G_OPTION_ARG_STRING, &device, "Local USB device to be redirected", NULL },
+        { "device", 0, 0, G_OPTION_ARG_STRING, &device, "Local USB device to be redirected identified as either VENDOR:PRODUCT \"0123:4567\" or BUS-DEVICE \"5-2\"", NULL },
         { "to", 0, 0, G_OPTION_ARG_STRING, &remoteaddr, "Client URI to connect to", NULL },
         { "as", 0, 0, G_OPTION_ARG_STRING, &localaddr, "Server URI to be run", NULL },
         { "keepalive", 'k', 0, G_OPTION_ARG_NONE, &keepalive, "If we should set SO_KEEPALIVE flag on underlying socket", NULL },
-- 
2.39.0