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@@ -23,10 +23,8 @@
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#include "usbip_common.h"
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#include "vhci.h"
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-
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/* get URB from transmitted urb queue. caller must hold vdev->priv_lock */
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-struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
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- __u32 seqnum)
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+struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, __u32 seqnum)
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{
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struct vhci_priv *priv, *tmp;
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struct urb *urb = NULL;
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@@ -38,12 +36,12 @@ struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
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status = urb->status;
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usbip_dbg_vhci_rx("find urb %p vurb %p seqnum %u\n",
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- urb, priv, seqnum);
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+ urb, priv, seqnum);
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/* TODO: fix logic here to improve indent situtation */
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if (status != -EINPROGRESS) {
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if (status == -ENOENT ||
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- status == -ECONNRESET)
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+ status == -ECONNRESET)
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dev_info(&urb->dev->dev,
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"urb %p was unlinked "
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"%ssynchronuously.\n", urb,
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@@ -66,36 +64,31 @@ struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev,
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}
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static void vhci_recv_ret_submit(struct vhci_device *vdev,
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- struct usbip_header *pdu)
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+ struct usbip_header *pdu)
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{
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struct usbip_device *ud = &vdev->ud;
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struct urb *urb;
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spin_lock(&vdev->priv_lock);
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-
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urb = pickup_urb_and_free_priv(vdev, pdu->base.seqnum);
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-
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spin_unlock(&vdev->priv_lock);
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if (!urb) {
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usbip_uerr("cannot find a urb of seqnum %u\n",
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- pdu->base.seqnum);
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+ pdu->base.seqnum);
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usbip_uinfo("max seqnum %d\n",
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- atomic_read(&the_controller->seqnum));
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+ atomic_read(&the_controller->seqnum));
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usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
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return;
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}
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-
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/* unpack the pdu to a urb */
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usbip_pack_pdu(pdu, urb, USBIP_RET_SUBMIT, 0);
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-
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/* recv transfer buffer */
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if (usbip_recv_xbuff(ud, urb) < 0)
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return;
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-
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/* recv iso_packet_descriptor */
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if (usbip_recv_iso(ud, urb) < 0)
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return;
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@@ -107,7 +100,6 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
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if (usbip_dbg_flag_vhci_rx)
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usbip_dump_urb(urb);
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-
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usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
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spin_lock(&the_controller->lock);
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@@ -116,15 +108,13 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev,
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usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb, urb->status);
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-
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usbip_dbg_vhci_rx("Leave\n");
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return;
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}
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-
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static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev,
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- struct usbip_header *pdu)
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+ struct usbip_header *pdu)
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{
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struct vhci_unlink *unlink, *tmp;
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@@ -134,7 +124,7 @@ static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev,
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usbip_uinfo("unlink->seqnum %lu\n", unlink->seqnum);
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if (unlink->seqnum == pdu->base.seqnum) {
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usbip_dbg_vhci_rx("found pending unlink, %lu\n",
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- unlink->seqnum);
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+ unlink->seqnum);
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list_del(&unlink->list);
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spin_unlock(&vdev->priv_lock);
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@@ -147,9 +137,8 @@ static struct vhci_unlink *dequeue_pending_unlink(struct vhci_device *vdev,
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return NULL;
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}
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-
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static void vhci_recv_ret_unlink(struct vhci_device *vdev,
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- struct usbip_header *pdu)
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+ struct usbip_header *pdu)
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{
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struct vhci_unlink *unlink;
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struct urb *urb;
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@@ -159,14 +148,12 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
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unlink = dequeue_pending_unlink(vdev, pdu);
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if (!unlink) {
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usbip_uinfo("cannot find the pending unlink %u\n",
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- pdu->base.seqnum);
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+ pdu->base.seqnum);
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return;
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}
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spin_lock(&vdev->priv_lock);
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-
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urb = pickup_urb_and_free_priv(vdev, unlink->unlink_seqnum);
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-
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spin_unlock(&vdev->priv_lock);
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if (!urb) {
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@@ -176,7 +163,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
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* back the URB.
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*/
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usbip_uinfo("the urb (seqnum %d) was already given backed\n",
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- pdu->base.seqnum);
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+ pdu->base.seqnum);
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} else {
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usbip_dbg_vhci_rx("now giveback urb %p\n", urb);
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@@ -189,7 +176,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev,
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spin_unlock(&the_controller->lock);
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usb_hcd_giveback_urb(vhci_to_hcd(the_controller), urb,
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- urb->status);
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+ urb->status);
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}
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kfree(unlink);
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@@ -202,9 +189,7 @@ static int vhci_priv_tx_empty(struct vhci_device *vdev)
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int empty = 0;
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spin_lock(&vdev->priv_lock);
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-
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empty = list_empty(&vdev->priv_rx);
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-
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spin_unlock(&vdev->priv_lock);
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return empty;
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@@ -217,7 +202,6 @@ static void vhci_rx_pdu(struct usbip_device *ud)
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struct usbip_header pdu;
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struct vhci_device *vdev = container_of(ud, struct vhci_device, ud);
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-
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usbip_dbg_vhci_rx("Enter\n");
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memset(&pdu, 0, sizeof(pdu));
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@@ -245,7 +229,7 @@ static void vhci_rx_pdu(struct usbip_device *ud)
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}
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if (ret != sizeof(pdu)) {
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usbip_uerr("received pdu size is %d, should be %d\n",
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- ret, (unsigned int)sizeof(pdu));
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+ ret, (unsigned int)sizeof(pdu));
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usbip_event_add(ud, VDEV_EVENT_ERROR_TCP);
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return;
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}
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@@ -270,14 +254,12 @@ static void vhci_rx_pdu(struct usbip_device *ud)
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}
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}
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-
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/*-------------------------------------------------------------------------*/
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int vhci_rx_loop(void *data)
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{
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struct usbip_device *ud = data;
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-
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while (!kthread_should_stop()) {
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if (usbip_event_happened(ud))
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break;
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