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path: root/drivers/uwb/uwb-debug.c
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Diffstat (limited to 'drivers/uwb/uwb-debug.c')
-rw-r--r--drivers/uwb/uwb-debug.c151
1 files changed, 95 insertions, 56 deletions
diff --git a/drivers/uwb/uwb-debug.c b/drivers/uwb/uwb-debug.c
index 6d232c35d07d..4a42993700c1 100644
--- a/drivers/uwb/uwb-debug.c
+++ b/drivers/uwb/uwb-debug.c
@@ -4,6 +4,7 @@
*
* Copyright (C) 2005-2006 Intel Corporation
* Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
@@ -33,31 +34,9 @@
#include <linux/seq_file.h>
#include <linux/uwb/debug-cmd.h>
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
#include "uwb-internal.h"
-void dump_bytes(struct device *dev, const void *_buf, size_t rsize)
-{
- const char *buf = _buf;
- char line[32];
- size_t offset = 0;
- int cnt, cnt2;
- for (cnt = 0; cnt < rsize; cnt += 8) {
- size_t rtop = rsize - cnt < 8 ? rsize - cnt : 8;
- for (offset = cnt2 = 0; cnt2 < rtop; cnt2++) {
- offset += scnprintf(line + offset, sizeof(line) - offset,
- "%02x ", buf[cnt + cnt2] & 0xff);
- }
- if (dev)
- dev_info(dev, "%s\n", line);
- else
- printk(KERN_INFO "%s\n", line);
- }
-}
-EXPORT_SYMBOL_GPL(dump_bytes);
-
/*
* Debug interface
*
@@ -84,26 +63,23 @@ struct uwb_dbg {
struct dentry *reservations_f;
struct dentry *accept_f;
struct dentry *drp_avail_f;
+ spinlock_t list_lock;
};
static struct dentry *root_dir;
static void uwb_dbg_rsv_cb(struct uwb_rsv *rsv)
{
- struct uwb_rc *rc = rsv->rc;
- struct device *dev = &rc->uwb_dev.dev;
- struct uwb_dev_addr devaddr;
- char owner[UWB_ADDR_STRSIZE], target[UWB_ADDR_STRSIZE];
-
- uwb_dev_addr_print(owner, sizeof(owner), &rsv->owner->dev_addr);
- if (rsv->target.type == UWB_RSV_TARGET_DEV)
- devaddr = rsv->target.dev->dev_addr;
- else
- devaddr = rsv->target.devaddr;
- uwb_dev_addr_print(target, sizeof(target), &devaddr);
+ struct uwb_dbg *dbg = rsv->pal_priv;
- dev_dbg(dev, "debug: rsv %s -> %s: %s\n",
- owner, target, uwb_rsv_state_str(rsv->state));
+ uwb_rsv_dump("debug", rsv);
+
+ if (rsv->state == UWB_RSV_STATE_NONE) {
+ spin_lock(&dbg->list_lock);
+ list_del(&rsv->pal_node);
+ spin_unlock(&dbg->list_lock);
+ uwb_rsv_destroy(rsv);
+ }
}
static int cmd_rsv_establish(struct uwb_rc *rc,
@@ -119,26 +95,27 @@ static int cmd_rsv_establish(struct uwb_rc *rc,
if (target == NULL)
return -ENODEV;
- rsv = uwb_rsv_create(rc, uwb_dbg_rsv_cb, NULL);
+ rsv = uwb_rsv_create(rc, uwb_dbg_rsv_cb, rc->dbg);
if (rsv == NULL) {
uwb_dev_put(target);
return -ENOMEM;
}
- rsv->owner = &rc->uwb_dev;
- rsv->target.type = UWB_RSV_TARGET_DEV;
- rsv->target.dev = target;
- rsv->type = cmd->type;
- rsv->max_mas = cmd->max_mas;
- rsv->min_mas = cmd->min_mas;
- rsv->sparsity = cmd->sparsity;
+ rsv->target.type = UWB_RSV_TARGET_DEV;
+ rsv->target.dev = target;
+ rsv->type = cmd->type;
+ rsv->max_mas = cmd->max_mas;
+ rsv->min_mas = cmd->min_mas;
+ rsv->max_interval = cmd->max_interval;
ret = uwb_rsv_establish(rsv);
if (ret)
uwb_rsv_destroy(rsv);
- else
+ else {
+ spin_lock(&(rc->dbg)->list_lock);
list_add_tail(&rsv->pal_node, &rc->dbg->rsvs);
-
+ spin_unlock(&(rc->dbg)->list_lock);
+ }
return ret;
}
@@ -148,21 +125,40 @@ static int cmd_rsv_terminate(struct uwb_rc *rc,
struct uwb_rsv *rsv, *found = NULL;
int i = 0;
+ spin_lock(&(rc->dbg)->list_lock);
+
list_for_each_entry(rsv, &rc->dbg->rsvs, pal_node) {
if (i == cmd->index) {
found = rsv;
+ uwb_rsv_get(found);
break;
}
+ i++;
}
+
+ spin_unlock(&(rc->dbg)->list_lock);
+
if (!found)
return -EINVAL;
- list_del(&found->pal_node);
uwb_rsv_terminate(found);
+ uwb_rsv_put(found);
return 0;
}
+static int cmd_ie_add(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_add)
+{
+ return uwb_rc_ie_add(rc,
+ (const struct uwb_ie_hdr *) ie_to_add->data,
+ ie_to_add->len);
+}
+
+static int cmd_ie_rm(struct uwb_rc *rc, struct uwb_dbg_cmd_ie *ie_to_rm)
+{
+ return uwb_rc_ie_rm(rc, ie_to_rm->data[0]);
+}
+
static int command_open(struct inode *inode, struct file *file)
{
file->private_data = inode->i_private;
@@ -175,8 +171,8 @@ static ssize_t command_write(struct file *file, const char __user *buf,
{
struct uwb_rc *rc = file->private_data;
struct uwb_dbg_cmd cmd;
- int ret;
-
+ int ret = 0;
+
if (len != sizeof(struct uwb_dbg_cmd))
return -EINVAL;
@@ -190,6 +186,18 @@ static ssize_t command_write(struct file *file, const char __user *buf,
case UWB_DBG_CMD_RSV_TERMINATE:
ret = cmd_rsv_terminate(rc, &cmd.rsv_terminate);
break;
+ case UWB_DBG_CMD_IE_ADD:
+ ret = cmd_ie_add(rc, &cmd.ie_add);
+ break;
+ case UWB_DBG_CMD_IE_RM:
+ ret = cmd_ie_rm(rc, &cmd.ie_rm);
+ break;
+ case UWB_DBG_CMD_RADIO_START:
+ ret = uwb_radio_start(&rc->dbg->pal);
+ break;
+ case UWB_DBG_CMD_RADIO_STOP:
+ uwb_radio_stop(&rc->dbg->pal);
+ break;
default:
return -EINVAL;
}
@@ -283,12 +291,26 @@ static struct file_operations drp_avail_fops = {
.owner = THIS_MODULE,
};
-static void uwb_dbg_new_rsv(struct uwb_rsv *rsv)
+static void uwb_dbg_channel_changed(struct uwb_pal *pal, int channel)
+{
+ struct device *dev = &pal->rc->uwb_dev.dev;
+
+ if (channel > 0)
+ dev_info(dev, "debug: channel %d started\n", channel);
+ else
+ dev_info(dev, "debug: channel stopped\n");
+}
+
+static void uwb_dbg_new_rsv(struct uwb_pal *pal, struct uwb_rsv *rsv)
{
- struct uwb_rc *rc = rsv->rc;
+ struct uwb_dbg *dbg = container_of(pal, struct uwb_dbg, pal);
- if (rc->dbg->accept)
- uwb_rsv_accept(rsv, uwb_dbg_rsv_cb, NULL);
+ if (dbg->accept) {
+ spin_lock(&dbg->list_lock);
+ list_add_tail(&rsv->pal_node, &dbg->rsvs);
+ spin_unlock(&dbg->list_lock);
+ uwb_rsv_accept(rsv, uwb_dbg_rsv_cb, dbg);
+ }
}
/**
@@ -302,10 +324,14 @@ void uwb_dbg_add_rc(struct uwb_rc *rc)
return;
INIT_LIST_HEAD(&rc->dbg->rsvs);
+ spin_lock_init(&(rc->dbg)->list_lock);
uwb_pal_init(&rc->dbg->pal);
+ rc->dbg->pal.rc = rc;
+ rc->dbg->pal.channel_changed = uwb_dbg_channel_changed;
rc->dbg->pal.new_rsv = uwb_dbg_new_rsv;
- uwb_pal_register(rc, &rc->dbg->pal);
+ uwb_pal_register(&rc->dbg->pal);
+
if (root_dir) {
rc->dbg->root_d = debugfs_create_dir(dev_name(&rc->uwb_dev.dev),
root_dir);
@@ -325,7 +351,7 @@ void uwb_dbg_add_rc(struct uwb_rc *rc)
}
/**
- * uwb_dbg_add_rc - remove a radio controller's debug interface
+ * uwb_dbg_del_rc - remove a radio controller's debug interface
* @rc: the radio controller
*/
void uwb_dbg_del_rc(struct uwb_rc *rc)
@@ -336,10 +362,10 @@ void uwb_dbg_del_rc(struct uwb_rc *rc)
return;
list_for_each_entry_safe(rsv, t, &rc->dbg->rsvs, pal_node) {
- uwb_rsv_destroy(rsv);
+ uwb_rsv_terminate(rsv);
}
- uwb_pal_unregister(rc, &rc->dbg->pal);
+ uwb_pal_unregister(&rc->dbg->pal);
if (root_dir) {
debugfs_remove(rc->dbg->drp_avail_f);
@@ -365,3 +391,16 @@ void uwb_dbg_exit(void)
{
debugfs_remove(root_dir);
}
+
+/**
+ * uwb_dbg_create_pal_dir - create a debugfs directory for a PAL
+ * @pal: The PAL.
+ */
+struct dentry *uwb_dbg_create_pal_dir(struct uwb_pal *pal)
+{
+ struct uwb_rc *rc = pal->rc;
+
+ if (root_dir && rc->dbg && rc->dbg->root_d && pal->name)
+ return debugfs_create_dir(pal->name, rc->dbg->root_d);
+ return NULL;
+}
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-02 04:15:33 +0300