Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=30c7431de3631d6a5482a87b7c2453b937e8aa51
Commit: 30c7431de3631d6a5482a87b7c2453b937e8aa51
Parent: 283face86b002e670053e9189604852ccb81d357
Author: Pete Zaitcev <[EMAIL PROTECTED]>
AuthorDate: Tue Aug 14 00:33:40 2007 -0700
Committer: Greg Kroah-Hartman <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:55:14 2007 -0700
usbmon: Update pipe removal to suit my taste
This is a set of small updates to Alan's work to make the code more to
my liking. Mostly premature optimizations, but also direction of control
transfers in the binary interface was always out.
Signed-off-by: Pete Zaitcev <[EMAIL PROTECTED]>
Cc: Alan Stern <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/usb/mon/mon_bin.c | 44 ++++++++++++++------------------------------
drivers/usb/mon/mon_text.c | 8 ++++----
2 files changed, 18 insertions(+), 34 deletions(-)
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index 0b0d77c..5185e93 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -172,6 +172,10 @@ static inline struct mon_bin_hdr *MON_OFF2HDR(const struct
mon_reader_bin *rp,
#define MON_RING_EMPTY(rp) ((rp)->b_cnt == 0)
+static unsigned char xfer_to_pipe[4] = {
+ PIPE_CONTROL, PIPE_ISOCHRONOUS, PIPE_BULK, PIPE_INTERRUPT
+};
+
static struct class *mon_bin_class;
static dev_t mon_bin_dev0;
static struct cdev mon_bin_cdev;
@@ -388,11 +392,13 @@ static char mon_bin_get_data(const struct mon_reader_bin
*rp,
static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
char ev_type)
{
+ const struct usb_endpoint_descriptor *epd = &urb->ep->desc;
unsigned long flags;
struct timeval ts;
unsigned int urb_length;
unsigned int offset;
unsigned int length;
+ unsigned char dir;
struct mon_bin_hdr *ep;
char data_tag = 0;
@@ -415,11 +421,14 @@ static void mon_bin_event(struct mon_reader_bin *rp,
struct urb *urb,
length = 0;
data_tag = '<';
}
+ /* Cannot rely on endpoint number in case of control ep.0 */
+ dir = USB_DIR_IN;
} else {
if (ev_type == 'C') {
length = 0;
data_tag = '>';
}
+ dir = 0;
}
if (rp->mmap_active)
@@ -440,21 +449,8 @@ static void mon_bin_event(struct mon_reader_bin *rp,
struct urb *urb,
*/
memset(ep, 0, PKT_SIZE);
ep->type = ev_type;
- switch (usb_endpoint_type(&urb->ep->desc)) {
- case USB_ENDPOINT_XFER_CONTROL:
- ep->xfer_type = PIPE_CONTROL;
- break;
- case USB_ENDPOINT_XFER_BULK:
- ep->xfer_type = PIPE_BULK;
- break;
- case USB_ENDPOINT_XFER_INT:
- ep->xfer_type = PIPE_INTERRUPT;
- break;
- default:
- ep->xfer_type = PIPE_ISOCHRONOUS;
- break;
- }
- ep->epnum = urb->ep->desc.bEndpointAddress;
+ ep->xfer_type = xfer_to_pipe[usb_endpoint_type(epd)];
+ ep->epnum = dir | usb_endpoint_num(epd);
ep->devnum = urb->dev->devnum;
ep->busnum = urb->dev->bus->busnum;
ep->id = (unsigned long) urb;
@@ -512,21 +508,9 @@ static void mon_bin_error(void *data, struct urb *urb, int
error)
memset(ep, 0, PKT_SIZE);
ep->type = 'E';
- switch (usb_endpoint_type(&urb->ep->desc)) {
- case USB_ENDPOINT_XFER_CONTROL:
- ep->xfer_type = PIPE_CONTROL;
- break;
- case USB_ENDPOINT_XFER_BULK:
- ep->xfer_type = PIPE_BULK;
- break;
- case USB_ENDPOINT_XFER_INT:
- ep->xfer_type = PIPE_INTERRUPT;
- break;
- default:
- ep->xfer_type = PIPE_ISOCHRONOUS;
- break;
- }
- ep->epnum = urb->ep->desc.bEndpointAddress;
+ ep->xfer_type = xfer_to_pipe[usb_endpoint_type(&urb->ep->desc)];
+ ep->epnum = usb_urb_dir_in(urb) ? USB_DIR_IN : 0;
+ ep->epnum |= usb_endpoint_num(&urb->ep->desc);
ep->devnum = urb->dev->devnum;
ep->busnum = urb->dev->bus->busnum;
ep->id = (unsigned long) urb;
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index 9d0070c..a74069c 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -52,10 +52,11 @@ struct mon_event_text {
int type; /* submit, complete, etc. */
unsigned long id; /* From pointer, most of the time */
unsigned int tstamp;
- int xfertype;
int busnum;
- int devnum;
- int epnum;
+ char devnum;
+ char epnum;
+ char is_in;
+ char xfertype;
int length; /* Depends on type: xfer length or act length */
int status;
int interval;
@@ -63,7 +64,6 @@ struct mon_event_text {
int error_count;
char setup_flag;
char data_flag;
- char is_in;
int numdesc; /* Full number */
struct mon_iso_desc isodesc[ISODESC_MAX];
unsigned char setup[SETUP_MAX];
-
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