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usbip: vudc: Make usbip_common vudc-aware

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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>
This commit is contained in:
Igor Kotrasinski 2016-03-08 21:48:57 +01:00 committed by Greg Kroah-Hartman
parent 602364fdaa
commit c7af4c2218
2 changed files with 16 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/usb/usbip/usbip_common.c
View File

@ -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);

10
drivers/usb/usbip/usbip_common.h
View File

@ -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)