From c7af4c221878ad684f0412eba2a1f18fa126c6d5 Mon Sep 17 00:00:00 2001 From: Igor Kotrasinski Date: Tue, 8 Mar 2016 21:48:57 +0100 Subject: [PATCH] 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 Karol Kosik Ewelina Kosmider <3w3lfin@gmail.com> Dawid Lazarczyk Piotr Szulc Tutor and project owner: Krzysztof Opasiak Signed-off-by: Igor Kotrasinski Signed-off-by: Karol Kosik [Small fixes and commit message update] Signed-off-by: Krzysztof Opasiak Signed-off-by: Greg Kroah-Hartman --- drivers/usb/usbip/usbip_common.c | 10 ++++++---- drivers/usb/usbip/usbip_common.h | 10 ++++++++++ 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 * * 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 * * 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) -- 2.20.1