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authorIgor Kotrasinski <i.kotrasinsk@samsung.com>2016-03-08 23:48:57 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-27 01:19:50 +0300
commitc7af4c221878ad684f0412eba2a1f18fa126c6d5 (patch)
treeaf7663798f8288ee907ed68c5298bf190ec60a53 /drivers/usb/usbip
parent602364fdaaa6e7d78eac18332d3aca554190fdf4 (diff)
downloadlinux-c7af4c221878ad684f0412eba2a1f18fa126c6d5.tar.xz
usbip: vudc: Make usbip_common vudc-aware
Add constants for VUDC events in usbip_common.h and make use of them in usbip_common.c. This commit is a result of cooperation between Samsung R&D Institute Poland and Open Operating Systems Student Society at University of Warsaw (O2S3@UW) consisting of: Igor Kotrasinski <ikotrasinsk@gmail.com> Karol Kosik <karo9@interia.eu> Ewelina Kosmider <3w3lfin@gmail.com> Dawid Lazarczyk <lazarczyk.dawid@gmail.com> Piotr Szulc <ps347277@students.mimuw.edu.pl> Tutor and project owner: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Igor Kotrasinski <i.kotrasinsk@samsung.com> Signed-off-by: Karol Kosik <karo9@interia.eu> [Small fixes and commit message update] Signed-off-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/usbip')
-rw-r--r--drivers/usb/usbip/usbip_common.c10
-rw-r--r--drivers/usb/usbip/usbip_common.h10
2 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index 2e5cf6392a8e..8b232290be6b 100644
--- a/drivers/usb/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
@@ -1,5 +1,7 @@
/*
* Copyright (C) 2003-2008 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -643,7 +645,7 @@ int usbip_recv_iso(struct usbip_device *ud, struct urb *urb)
ret);
kfree(buff);
- if (ud->side == USBIP_STUB)
+ if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC)
usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
else
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
@@ -665,7 +667,7 @@ int usbip_recv_iso(struct usbip_device *ud, struct urb *urb)
"total length of iso packets %d not equal to actual length of buffer %d\n",
total_length, urb->actual_length);
- if (ud->side == USBIP_STUB)
+ if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC)
usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
else
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
@@ -723,7 +725,7 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
int ret;
int size;
- if (ud->side == USBIP_STUB) {
+ if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC) {
/* the direction of urb must be OUT. */
if (usb_pipein(urb->pipe))
return 0;
@@ -755,7 +757,7 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb)
ret = usbip_recv(ud->tcp_socket, urb->transfer_buffer, size);
if (ret != size) {
dev_err(&urb->dev->dev, "recv xbuf, %d\n", ret);
- if (ud->side == USBIP_STUB) {
+ if (ud->side == USBIP_STUB || ud->side == USBIP_VUDC) {
usbip_event_add(ud, SDEV_EVENT_ERROR_TCP);
} else {
usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h
index 2fbbc643b888..c7508cbce3ce 100644
--- a/drivers/usb/usbip/usbip_common.h
+++ b/drivers/usb/usbip/usbip_common.h
@@ -1,5 +1,7 @@
/*
* Copyright (C) 2003-2008 Takahiro Hirofuchi
+ * Copyright (C) 2015-2016 Samsung Electronics
+ * Krzysztof Opasiak <k.opasiak@samsung.com>
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -234,6 +236,7 @@ struct usbip_iso_packet_descriptor {
enum usbip_side {
USBIP_VHCI,
USBIP_STUB,
+ USBIP_VUDC,
};
/* event handler */
@@ -248,6 +251,13 @@ enum usbip_side {
#define SDEV_EVENT_ERROR_SUBMIT (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
#define SDEV_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+#define VUDC_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_RESET | USBIP_EH_BYE)
+#define VUDC_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+#define VUDC_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
+/* catastrophic emulated usb error */
+#define VUDC_EVENT_ERROR_USB (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+#define VUDC_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE)
+
#define VDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_BYE)
#define VDEV_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)
#define VDEV_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET)