Add an option "-p" / "--port" to specify the TCP port to listen on.
Signed-Off-By: Anthony Foiani <anthony.foiani@xxxxxxxxx>
---
drivers/staging/usbip/userspace/src/usbip.c | 9 +++++--
.../staging/usbip/userspace/src/usbip_network.c | 30 ++++++++++++++++++++++
.../staging/usbip/userspace/src/usbip_network.h | 5 ++--
drivers/staging/usbip/userspace/src/usbipd.c | 9 ++++++-
4 files changed, 48 insertions(+), 5 deletions(-)
diff --git a/drivers/staging/usbip/userspace/src/usbip.c b/drivers/staging/usbip/userspace/src/usbip.c
index fff4b76..e71256a 100644
--- a/drivers/staging/usbip/userspace/src/usbip.c
+++ b/drivers/staging/usbip/userspace/src/usbip.c
@@ -26,6 +26,7 @@
#include <syslog.h>
#include "usbip_common.h"
+#include "usbip_network.h"
#include "usbip.h"
static int usbip_help(int argc, char *argv[]);
@@ -34,7 +35,7 @@ static int usbip_version(int argc, char *argv[]);
static const char usbip_version_string[] = PACKAGE_STRING;
static const char usbip_usage_string[] =
- "usbip [--debug] [--log] [version]\n"
+ "usbip [--debug] [--log] [--port PORT] [version]\n"
" [help] <command> <args>\n";
static void usbip_usage(void)
@@ -140,6 +141,7 @@ int main(int argc, char *argv[])
static const struct option opts[] = {
{ "debug", no_argument, NULL, 'd' },
{ "log", no_argument, NULL, 'l' },
+ { "port", required_argument, NULL, 'p' },
{ NULL, 0, NULL, 0 }
};
@@ -150,7 +152,7 @@ int main(int argc, char *argv[])
usbip_use_stderr = 1;
opterr = 0;
for (;;) {
- opt = getopt_long(argc, argv, "+d", opts, NULL);
+ opt = getopt_long(argc, argv, "+dp:", opts, NULL);
if (opt == -1)
break;
@@ -163,6 +165,9 @@ int main(int argc, char *argv[])
usbip_use_syslog = 1;
openlog("", LOG_PID, LOG_USER);
break;
+ case 'p':
+ usbip_setup_port_number(optarg);
+ break;
case '?':
printf("usbip: invalid option\n");
default:
diff --git a/drivers/staging/usbip/userspace/src/usbip_network.c b/drivers/staging/usbip/userspace/src/usbip_network.c
index b12448e..3e8eed4 100644
--- a/drivers/staging/usbip/userspace/src/usbip_network.c
+++ b/drivers/staging/usbip/userspace/src/usbip_network.c
@@ -28,6 +28,36 @@
#include "usbip_common.h"
#include "usbip_network.h"
+int USBIP_PORT = 3240;
+char *USBIP_PORT_STRING = "3240";
+
+void usbip_setup_port_number(char *arg)
+{
+ dbg("parsing port arg '%s'", arg);
+ char *end;
+ unsigned long int port = strtoul(arg, &end, 10);
+
+ if (end == arg) {
+ err("port: could not parse '%s' as a decimal integer", arg);
+ return;
+ }
+
+ if (*end != '\0') {
+ err("port: garbage at end of '%s'", arg);
+ return;
+ }
+
+ if (port > UINT16_MAX) {
+ err("port: %s too high (max=%d)",
+ arg, UINT16_MAX);
+ return;
+ }
+
+ USBIP_PORT = port;
+ USBIP_PORT_STRING = arg;
+ info("using port %d (\"%s\")", USBIP_PORT, USBIP_PORT_STRING);
+}
+
void usbip_net_pack_uint32_t(int pack, uint32_t *num)
{
uint32_t i;
diff --git a/drivers/staging/usbip/userspace/src/usbip_network.h b/drivers/staging/usbip/userspace/src/usbip_network.h
index 1bbefc9..203858c 100644
--- a/drivers/staging/usbip/userspace/src/usbip_network.h
+++ b/drivers/staging/usbip/userspace/src/usbip_network.h
@@ -14,8 +14,9 @@
#include <stdint.h>
-#define USBIP_PORT 3240
-#define USBIP_PORT_STRING "3240"
+extern int USBIP_PORT;
+extern char *USBIP_PORT_STRING;
+void usbip_setup_port_number(char *arg);
/* ---------------------------------------------------------------------- */
/* Common header for all the kinds of PDUs. */
diff --git a/drivers/staging/usbip/userspace/src/usbipd.c b/drivers/staging/usbip/userspace/src/usbipd.c
index 9c83148..5224cc8 100644
--- a/drivers/staging/usbip/userspace/src/usbipd.c
+++ b/drivers/staging/usbip/userspace/src/usbipd.c
@@ -66,6 +66,9 @@ static const char usbipd_help_string[] =
" Write process id to FILE.\n"
" If no FILE specified, use " DEFAULT_PID_FILE "\n"
"\n"
+ " -pPORT, --port PORT\n"
+ " Listen on TCP/IP port PORT.\n"
+ "\n"
" -h, --help\n"
" Print this help.\n"
"\n"
@@ -557,6 +560,7 @@ int main(int argc, char *argv[])
{ "daemon", no_argument, NULL, 'D' },
{ "debug", no_argument, NULL, 'd' },
{ "pid", optional_argument, NULL, 'P' },
+ { "port", required_argument, NULL, 'p' },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, 'v' },
{ NULL, 0, NULL, 0 }
@@ -580,7 +584,7 @@ int main(int argc, char *argv[])
cmd = cmd_standalone_mode;
for (;;) {
- opt = getopt_long(argc, argv, "DdP::hv", longopts, NULL);
+ opt = getopt_long(argc, argv, "DdP::p:hv", longopts, NULL);
if (opt == -1)
break;
@@ -598,6 +602,9 @@ int main(int argc, char *argv[])
case 'P':
pid_file = optarg ? optarg : DEFAULT_PID_FILE;
break;
+ case 'p':
+ usbip_setup_port_number(optarg);
+ break;
case 'v':
cmd = cmd_version;
break;
--
1.8.1.4
--
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