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authorJeff Garzik <jgarzik@pobox.com>2005-07-13 16:23:51 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-07-13 16:23:51 -0400
commit327309e899662b482c58cf25f574513d38b5788c (patch)
tree069de438aa0e92dd9b6ba28e6b207e2cd07151a5 /drivers/usb/mon/mon_text.c
parent0c168775709faa74c1b87f1e61046e0c51ade7f3 (diff)
parentc32511e2718618f0b53479eb36e07439aa363a74 (diff)
Merge upstream 2.6.13-rc3 into ieee80211 branch of netdev-2.6.
Diffstat (limited to 'drivers/usb/mon/mon_text.c')
-rw-r--r--drivers/usb/mon/mon_text.c48
1 files changed, 43 insertions, 5 deletions
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index 755a4570477f..26266b30028e 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -19,11 +19,16 @@
19#define DATA_MAX 32 19#define DATA_MAX 32
20 20
21/* 21/*
22 * Defined by USB 2.0 clause 9.3, table 9.2.
23 */
24#define SETUP_MAX 8
25
26/*
22 * This limit exists to prevent OOMs when the user process stops reading. 27 * This limit exists to prevent OOMs when the user process stops reading.
23 */ 28 */
24#define EVENT_MAX 25 29#define EVENT_MAX 25
25 30
26#define PRINTF_DFL 120 31#define PRINTF_DFL 130
27 32
28struct mon_event_text { 33struct mon_event_text {
29 struct list_head e_link; 34 struct list_head e_link;
@@ -33,7 +38,9 @@ struct mon_event_text {
33 unsigned int tstamp; 38 unsigned int tstamp;
34 int length; /* Depends on type: xfer length or act length */ 39 int length; /* Depends on type: xfer length or act length */
35 int status; 40 int status;
41 char setup_flag;
36 char data_flag; 42 char data_flag;
43 unsigned char setup[SETUP_MAX];
37 unsigned char data[DATA_MAX]; 44 unsigned char data[DATA_MAX];
38}; 45};
39 46
@@ -64,6 +71,22 @@ static void mon_text_dtor(void *, kmem_cache_t *, unsigned long);
64 * This is called with the whole mon_bus locked, so no additional lock. 71 * This is called with the whole mon_bus locked, so no additional lock.
65 */ 72 */
66 73
74static inline char mon_text_get_setup(struct mon_event_text *ep,
75 struct urb *urb, char ev_type)
76{
77
78 if (!usb_pipecontrol(urb->pipe) || ev_type != 'S')
79 return '-';
80
81 if (urb->transfer_flags & URB_NO_SETUP_DMA_MAP)
82 return 'D';
83 if (urb->setup_packet == NULL)
84 return 'Z'; /* '0' would be not as pretty. */
85
86 memcpy(ep->setup, urb->setup_packet, SETUP_MAX);
87 return 0;
88}
89
67static inline char mon_text_get_data(struct mon_event_text *ep, struct urb *urb, 90static inline char mon_text_get_data(struct mon_event_text *ep, struct urb *urb,
68 int len, char ev_type) 91 int len, char ev_type)
69{ 92{
@@ -90,7 +113,6 @@ static inline char mon_text_get_data(struct mon_event_text *ep, struct urb *urb,
90 113
91 /* 114 /*
92 * Bulk is easy to shortcut reliably. 115 * Bulk is easy to shortcut reliably.
93 * XXX Control needs setup packet taken.
94 * XXX Other pipe types need consideration. Currently, we overdo it 116 * XXX Other pipe types need consideration. Currently, we overdo it
95 * and collect garbage for them: better more than less. 117 * and collect garbage for them: better more than less.
96 */ 118 */
@@ -144,6 +166,7 @@ static void mon_text_event(struct mon_reader_text *rp, struct urb *urb,
144 /* Collecting status makes debugging sense for submits, too */ 166 /* Collecting status makes debugging sense for submits, too */
145 ep->status = urb->status; 167 ep->status = urb->status;
146 168
169 ep->setup_flag = mon_text_get_setup(ep, urb, ev_type);
147 ep->data_flag = mon_text_get_data(ep, urb, ep->length, ev_type); 170 ep->data_flag = mon_text_get_data(ep, urb, ep->length, ev_type);
148 171
149 rp->nevents++; 172 rp->nevents++;
@@ -299,10 +322,25 @@ static ssize_t mon_text_read(struct file *file, char __user *buf,
299 default: /* PIPE_BULK */ utype = 'B'; 322 default: /* PIPE_BULK */ utype = 'B';
300 } 323 }
301 cnt += snprintf(pbuf + cnt, limit - cnt, 324 cnt += snprintf(pbuf + cnt, limit - cnt,
302 "%lx %u %c %c%c:%03u:%02u %d %d", 325 "%lx %u %c %c%c:%03u:%02u",
303 ep->id, ep->tstamp, ep->type, 326 ep->id, ep->tstamp, ep->type,
304 utype, udir, usb_pipedevice(ep->pipe), usb_pipeendpoint(ep->pipe), 327 utype, udir, usb_pipedevice(ep->pipe), usb_pipeendpoint(ep->pipe));
305 ep->status, ep->length); 328
329 if (ep->setup_flag == 0) { /* Setup packet is present and captured */
330 cnt += snprintf(pbuf + cnt, limit - cnt,
331 " s %02x %02x %04x %04x %04x",
332 ep->setup[0],
333 ep->setup[1],
334 (ep->setup[3] << 8) | ep->setup[2],
335 (ep->setup[5] << 8) | ep->setup[4],
336 (ep->setup[7] << 8) | ep->setup[6]);
337 } else if (ep->setup_flag != '-') { /* Unable to capture setup packet */
338 cnt += snprintf(pbuf + cnt, limit - cnt,
339 " %c __ __ ____ ____ ____", ep->setup_flag);
340 } else { /* No setup for this kind of URB */
341 cnt += snprintf(pbuf + cnt, limit - cnt, " %d", ep->status);
342 }
343 cnt += snprintf(pbuf + cnt, limit - cnt, " %d", ep->length);
306 344
307 if ((data_len = ep->length) > 0) { 345 if ((data_len = ep->length) > 0) {
308 if (ep->data_flag == 0) { 346 if (ep->data_flag == 0) {