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-rw-r--r--package/libertas/src/debugfs.c1163
1 files changed, 1163 insertions, 0 deletions
diff --git a/package/libertas/src/debugfs.c b/package/libertas/src/debugfs.c
new file mode 100644
index 0000000000..f4858bd7d5
--- /dev/null
+++ b/package/libertas/src/debugfs.c
@@ -0,0 +1,1163 @@
+#include <linux/module.h>
+#include <linux/dcache.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/mm.h>
+#include <linux/string.h>
+#include <net/iw_handler.h>
+
+#include "dev.h"
+#include "decl.h"
+#include "host.h"
+#include "debugfs.h"
+
+static struct dentry *lbs_dir;
+static char *szStates[] = {
+ "Connected",
+ "Disconnected"
+};
+
+#ifdef PROC_DEBUG
+static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev);
+#endif
+
+static int open_file_generic(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+static ssize_t write_file_dummy(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ return -EINVAL;
+}
+
+static const size_t len = PAGE_SIZE;
+
+static ssize_t lbs_dev_info(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ size_t pos = 0;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+ ssize_t res;
+
+ pos += snprintf(buf+pos, len-pos, "state = %s\n",
+ szStates[priv->connect_status]);
+ pos += snprintf(buf+pos, len-pos, "region_code = %02x\n",
+ (u32) priv->regioncode);
+
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+ free_page(addr);
+ return res;
+}
+
+
+static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ size_t pos = 0;
+ int numscansdone = 0, res;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+ DECLARE_MAC_BUF(mac);
+ struct bss_descriptor * iter_bss;
+
+ pos += snprintf(buf+pos, len-pos,
+ "# | ch | rssi | bssid | cap | Qual | SSID \n");
+
+ mutex_lock(&priv->lock);
+ list_for_each_entry (iter_bss, &priv->network_list, list) {
+ u16 ibss = (iter_bss->capability & WLAN_CAPABILITY_IBSS);
+ u16 privacy = (iter_bss->capability & WLAN_CAPABILITY_PRIVACY);
+ u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);
+
+ pos += snprintf(buf+pos, len-pos,
+ "%02u| %03d | %04ld | %s |",
+ numscansdone, iter_bss->channel, iter_bss->rssi,
+ print_mac(mac, iter_bss->bssid));
+ pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
+ pos += snprintf(buf+pos, len-pos, "%c%c%c |",
+ ibss ? 'A' : 'I', privacy ? 'P' : ' ',
+ spectrum_mgmt ? 'S' : ' ');
+ pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
+ pos += snprintf(buf+pos, len-pos, " %s\n",
+ escape_essid(iter_bss->ssid, iter_bss->ssid_len));
+
+ numscansdone++;
+ }
+ mutex_unlock(&priv->lock);
+
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_sleepparams_write(struct file *file,
+ const char __user *user_buf, size_t count,
+ loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t buf_size, res;
+ int p1, p2, p3, p4, p5, p6;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, user_buf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ res = sscanf(buf, "%d %d %d %d %d %d", &p1, &p2, &p3, &p4, &p5, &p6);
+ if (res != 6) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ priv->sp.sp_error = p1;
+ priv->sp.sp_offset = p2;
+ priv->sp.sp_stabletime = p3;
+ priv->sp.sp_calcontrol = p4;
+ priv->sp.sp_extsleepclk = p5;
+ priv->sp.sp_reserved = p6;
+
+ res = lbs_prepare_and_send_command(priv,
+ CMD_802_11_SLEEP_PARAMS,
+ CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP, 0, NULL);
+
+ if (!res)
+ res = count;
+ else
+ res = -EINVAL;
+
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res;
+ size_t pos = 0;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ res = lbs_prepare_and_send_command(priv,
+ CMD_802_11_SLEEP_PARAMS,
+ CMD_ACT_GET,
+ CMD_OPTION_WAITFORRSP, 0, NULL);
+ if (res) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+
+ pos += snprintf(buf, len, "%d %d %d %d %d %d\n", priv->sp.sp_error,
+ priv->sp.sp_offset, priv->sp.sp_stabletime,
+ priv->sp.sp_calcontrol, priv->sp.sp_extsleepclk,
+ priv->sp.sp_reserved);
+
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_extscan(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ union iwreq_data wrqu;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+
+ lbs_send_specific_ssid_scan(priv, buf, strlen(buf)-1, 0);
+
+ memset(&wrqu, 0, sizeof(union iwreq_data));
+ wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+
+out_unlock:
+ free_page(addr);
+ return count;
+}
+
+static void lbs_parse_bssid(char *buf, size_t count,
+ struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+ char *hold;
+ unsigned int mac[ETH_ALEN];
+
+ hold = strstr(buf, "bssid=");
+ if (!hold)
+ return;
+ hold += 6;
+ sscanf(hold, MAC_FMT, mac, mac+1, mac+2, mac+3, mac+4, mac+5);
+ memcpy(scan_cfg->bssid, mac, ETH_ALEN);
+}
+
+static void lbs_parse_ssid(char *buf, size_t count,
+ struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+ char *hold, *end;
+ ssize_t size;
+
+ hold = strstr(buf, "ssid=");
+ if (!hold)
+ return;
+ hold += 5;
+ end = strchr(hold, ' ');
+ if (!end)
+ end = buf + count - 1;
+
+ size = min((size_t)IW_ESSID_MAX_SIZE, (size_t) (end - hold));
+ strncpy(scan_cfg->ssid, hold, size);
+
+ return;
+}
+
+static int lbs_parse_clear(char *buf, size_t count, const char *tag)
+{
+ char *hold;
+ int val;
+
+ hold = strstr(buf, tag);
+ if (!hold)
+ return 0;
+ hold += strlen(tag);
+ sscanf(hold, "%d", &val);
+
+ if (val != 0)
+ val = 1;
+
+ return val;
+}
+
+static int lbs_parse_dur(char *buf, size_t count,
+ struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+ char *hold;
+ int val;
+
+ hold = strstr(buf, "dur=");
+ if (!hold)
+ return 0;
+ hold += 4;
+ sscanf(hold, "%d", &val);
+
+ return val;
+}
+
+static void lbs_parse_type(char *buf, size_t count,
+ struct lbs_ioctl_user_scan_cfg *scan_cfg)
+{
+ char *hold;
+ int val;
+
+ hold = strstr(buf, "type=");
+ if (!hold)
+ return;
+ hold += 5;
+ sscanf(hold, "%d", &val);
+
+ /* type=1,2 or 3 */
+ if (val < 1 || val > 3)
+ return;
+
+ scan_cfg->bsstype = val;
+
+ return;
+}
+
+static ssize_t lbs_setuserscan(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ struct lbs_ioctl_user_scan_cfg *scan_cfg;
+ union iwreq_data wrqu;
+ int dur;
+ char *buf = (char *)get_zeroed_page(GFP_KERNEL);
+
+ if (!buf)
+ return -ENOMEM;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_buf;
+ }
+
+ scan_cfg = kzalloc(sizeof(struct lbs_ioctl_user_scan_cfg), GFP_KERNEL);
+ if (!scan_cfg) {
+ res = -ENOMEM;
+ goto out_buf;
+ }
+ res = count;
+
+ scan_cfg->bsstype = LBS_SCAN_BSS_TYPE_ANY;
+
+ dur = lbs_parse_dur(buf, count, scan_cfg);
+ lbs_parse_bssid(buf, count, scan_cfg);
+ scan_cfg->clear_bssid = lbs_parse_clear(buf, count, "clear_bssid=");
+ lbs_parse_ssid(buf, count, scan_cfg);
+ scan_cfg->clear_ssid = lbs_parse_clear(buf, count, "clear_ssid=");
+ lbs_parse_type(buf, count, scan_cfg);
+
+ lbs_scan_networks(priv, scan_cfg, 1);
+ wait_event_interruptible(priv->cmd_pending,
+ priv->surpriseremoved || !priv->last_scanned_channel);
+
+ if (priv->surpriseremoved)
+ goto out_scan_cfg;
+
+ memset(&wrqu, 0x00, sizeof(union iwreq_data));
+ wireless_send_event(priv->dev, SIOCGIWSCAN, &wrqu, NULL);
+
+ out_scan_cfg:
+ kfree(scan_cfg);
+ out_buf:
+ free_page((unsigned long)buf);
+ return res;
+}
+
+
+/*
+ * When calling CMD_802_11_SUBSCRIBE_EVENT with CMD_ACT_GET, me might
+ * get a bunch of vendor-specific TLVs (a.k.a. IEs) back from the
+ * firmware. Here's an example:
+ * 04 01 02 00 00 00 05 01 02 00 00 00 06 01 02 00
+ * 00 00 07 01 02 00 3c 00 00 00 00 00 00 00 03 03
+ * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
+ *
+ * The 04 01 is the TLV type (here TLV_TYPE_RSSI_LOW), 02 00 is the length,
+ * 00 00 are the data bytes of this TLV. For this TLV, their meaning is
+ * defined in mrvlietypes_thresholds
+ *
+ * This function searches in this TLV data chunk for a given TLV type
+ * and returns a pointer to the first data byte of the TLV, or to NULL
+ * if the TLV hasn't been found.
+ */
+static void *lbs_tlv_find(u16 tlv_type, const u8 *tlv, u16 size)
+{
+ __le16 le_type = cpu_to_le16(tlv_type);
+ ssize_t pos = 0;
+ struct mrvlietypesheader *tlv_h;
+ while (pos < size) {
+ u16 length;
+ tlv_h = (struct mrvlietypesheader *) tlv;
+ if (tlv_h->type == le_type)
+ return tlv_h;
+ if (tlv_h->len == 0)
+ return NULL;
+ length = le16_to_cpu(tlv_h->len) +
+ sizeof(struct mrvlietypesheader);
+ pos += length;
+ tlv += length;
+ }
+ return NULL;
+}
+
+
+/*
+ * This just gets the bitmap of currently subscribed events. Used when
+ * adding an additonal event subscription.
+ */
+static u16 lbs_get_events_bitmap(struct lbs_private *priv)
+{
+ ssize_t res;
+
+ struct cmd_ds_802_11_subscribe_event *events = kzalloc(
+ sizeof(struct cmd_ds_802_11_subscribe_event),
+ GFP_KERNEL);
+
+ res = lbs_prepare_and_send_command(priv,
+ CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_GET,
+ CMD_OPTION_WAITFORRSP, 0, events);
+
+ if (res) {
+ kfree(events);
+ return 0;
+ }
+ return le16_to_cpu(events->events);
+}
+
+
+static ssize_t lbs_threshold_read(
+ u16 tlv_type, u16 event_mask,
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res = 0;
+ size_t pos = 0;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+ u8 value;
+ u8 freq;
+ int events = 0;
+
+ struct cmd_ds_802_11_subscribe_event *subscribed = kzalloc(
+ sizeof(struct cmd_ds_802_11_subscribe_event),
+ GFP_KERNEL);
+ struct mrvlietypes_thresholds *got;
+
+ res = lbs_prepare_and_send_command(priv,
+ CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_GET,
+ CMD_OPTION_WAITFORRSP, 0, subscribed);
+ if (res) {
+ kfree(subscribed);
+ return res;
+ }
+
+ got = lbs_tlv_find(tlv_type, subscribed->tlv, sizeof(subscribed->tlv));
+ if (got) {
+ value = got->value;
+ freq = got->freq;
+ events = le16_to_cpu(subscribed->events);
+ }
+ kfree(subscribed);
+
+ if (got)
+ pos += snprintf(buf, len, "%d %d %d\n", value, freq,
+ !!(events & event_mask));
+
+ res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+
+ free_page(addr);
+ return res;
+}
+
+
+static ssize_t lbs_threshold_write(
+ u16 tlv_type, u16 event_mask,
+ struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ int value, freq, curr_mask, new_mask;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+ struct cmd_ds_802_11_subscribe_event *events;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ res = sscanf(buf, "%d %d %d", &value, &freq, &new_mask);
+ if (res != 3) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ curr_mask = lbs_get_events_bitmap(priv);
+
+ if (new_mask)
+ new_mask = curr_mask | event_mask;
+ else
+ new_mask = curr_mask & ~event_mask;
+
+ /* Now everything is set and we can send stuff down to the firmware */
+ events = kzalloc(
+ sizeof(struct cmd_ds_802_11_subscribe_event),
+ GFP_KERNEL);
+ if (events) {
+ struct mrvlietypes_thresholds *tlv =
+ (struct mrvlietypes_thresholds *) events->tlv;
+ events->action = cpu_to_le16(CMD_ACT_SET);
+ events->events = cpu_to_le16(new_mask);
+ tlv->header.type = cpu_to_le16(tlv_type);
+ tlv->header.len = cpu_to_le16(
+ sizeof(struct mrvlietypes_thresholds) -
+ sizeof(struct mrvlietypesheader));
+ tlv->value = value;
+ if (tlv_type != TLV_TYPE_BCNMISS)
+ tlv->freq = freq;
+ lbs_prepare_and_send_command(priv,
+ CMD_802_11_SUBSCRIBE_EVENT, CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP, 0, events);
+ kfree(events);
+ }
+
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+
+static ssize_t lbs_lowrssi_read(
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_read(TLV_TYPE_RSSI_LOW, CMD_SUBSCRIBE_RSSI_LOW,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_lowrssi_write(
+ struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_write(TLV_TYPE_RSSI_LOW, CMD_SUBSCRIBE_RSSI_LOW,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_lowsnr_read(
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_read(TLV_TYPE_SNR_LOW, CMD_SUBSCRIBE_SNR_LOW,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_lowsnr_write(
+ struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_write(TLV_TYPE_SNR_LOW, CMD_SUBSCRIBE_SNR_LOW,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_failcount_read(
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_read(TLV_TYPE_FAILCOUNT, CMD_SUBSCRIBE_FAILCOUNT,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_failcount_write(
+ struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_write(TLV_TYPE_FAILCOUNT, CMD_SUBSCRIBE_FAILCOUNT,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highrssi_read(
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_read(TLV_TYPE_RSSI_HIGH, CMD_SUBSCRIBE_RSSI_HIGH,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highrssi_write(
+ struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_write(TLV_TYPE_RSSI_HIGH, CMD_SUBSCRIBE_RSSI_HIGH,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highsnr_read(
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_read(TLV_TYPE_SNR_HIGH, CMD_SUBSCRIBE_SNR_HIGH,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_highsnr_write(
+ struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_write(TLV_TYPE_SNR_HIGH, CMD_SUBSCRIBE_SNR_HIGH,
+ file, userbuf, count, ppos);
+}
+
+static ssize_t lbs_bcnmiss_read(
+ struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_read(TLV_TYPE_BCNMISS, CMD_SUBSCRIBE_BCNMISS,
+ file, userbuf, count, ppos);
+}
+
+
+static ssize_t lbs_bcnmiss_write(
+ struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return lbs_threshold_write(TLV_TYPE_BCNMISS, CMD_SUBSCRIBE_BCNMISS,
+ file, userbuf, count, ppos);
+}
+
+
+
+
+
+
+
+
+static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ struct lbs_offset_value offval;
+ ssize_t pos = 0;
+ int ret;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ offval.offset = priv->mac_offset;
+ offval.value = 0;
+
+ ret = lbs_prepare_and_send_command(priv,
+ CMD_MAC_REG_ACCESS, 0,
+ CMD_OPTION_WAITFORRSP, 0, &offval);
+ mdelay(10);
+ pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n",
+ priv->mac_offset, priv->offsetvalue.value);
+
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ free_page(addr);
+ return ret;
+}
+
+static ssize_t lbs_rdmac_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ priv->mac_offset = simple_strtoul((char *)buf, NULL, 16);
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_wrmac_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ u32 offset, value;
+ struct lbs_offset_value offval;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ res = sscanf(buf, "%x %x", &offset, &value);
+ if (res != 2) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+
+ offval.offset = offset;
+ offval.value = value;
+ res = lbs_prepare_and_send_command(priv,
+ CMD_MAC_REG_ACCESS, 1,
+ CMD_OPTION_WAITFORRSP, 0, &offval);
+ mdelay(10);
+
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ struct lbs_offset_value offval;
+ ssize_t pos = 0;
+ int ret;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ offval.offset = priv->bbp_offset;
+ offval.value = 0;
+
+ ret = lbs_prepare_and_send_command(priv,
+ CMD_BBP_REG_ACCESS, 0,
+ CMD_OPTION_WAITFORRSP, 0, &offval);
+ mdelay(10);
+ pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n",
+ priv->bbp_offset, priv->offsetvalue.value);
+
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ free_page(addr);
+
+ return ret;
+}
+
+static ssize_t lbs_rdbbp_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ priv->bbp_offset = simple_strtoul((char *)buf, NULL, 16);
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_wrbbp_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ u32 offset, value;
+ struct lbs_offset_value offval;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ res = sscanf(buf, "%x %x", &offset, &value);
+ if (res != 2) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+
+ offval.offset = offset;
+ offval.value = value;
+ res = lbs_prepare_and_send_command(priv,
+ CMD_BBP_REG_ACCESS, 1,
+ CMD_OPTION_WAITFORRSP, 0, &offval);
+ mdelay(10);
+
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ struct lbs_offset_value offval;
+ ssize_t pos = 0;
+ int ret;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ offval.offset = priv->rf_offset;
+ offval.value = 0;
+
+ ret = lbs_prepare_and_send_command(priv,
+ CMD_RF_REG_ACCESS, 0,
+ CMD_OPTION_WAITFORRSP, 0, &offval);
+ mdelay(10);
+ pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n",
+ priv->rf_offset, priv->offsetvalue.value);
+
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos);
+ free_page(addr);
+
+ return ret;
+}
+
+static ssize_t lbs_rdrf_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ priv->rf_offset = simple_strtoul((char *)buf, NULL, 16);
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+static ssize_t lbs_wrrf_write(struct file *file,
+ const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+
+ struct lbs_private *priv = file->private_data;
+ ssize_t res, buf_size;
+ u32 offset, value;
+ struct lbs_offset_value offval;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ buf_size = min(count, len - 1);
+ if (copy_from_user(buf, userbuf, buf_size)) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+ res = sscanf(buf, "%x %x", &offset, &value);
+ if (res != 2) {
+ res = -EFAULT;
+ goto out_unlock;
+ }
+
+ offval.offset = offset;
+ offval.value = value;
+ res = lbs_prepare_and_send_command(priv,
+ CMD_RF_REG_ACCESS, 1,
+ CMD_OPTION_WAITFORRSP, 0, &offval);
+ mdelay(10);
+
+ res = count;
+out_unlock:
+ free_page(addr);
+ return res;
+}
+
+#define FOPS(fread, fwrite) { \
+ .owner = THIS_MODULE, \
+ .open = open_file_generic, \
+ .read = (fread), \
+ .write = (fwrite), \
+}
+
+struct lbs_debugfs_files {
+ char *name;
+ int perm;
+ struct file_operations fops;
+};
+
+static struct lbs_debugfs_files debugfs_files[] = {
+ { "info", 0444, FOPS(lbs_dev_info, write_file_dummy), },
+ { "getscantable", 0444, FOPS(lbs_getscantable,
+ write_file_dummy), },
+ { "sleepparams", 0644, FOPS(lbs_sleepparams_read,
+ lbs_sleepparams_write), },
+ { "extscan", 0600, FOPS(NULL, lbs_extscan), },
+ { "setuserscan", 0600, FOPS(NULL, lbs_setuserscan), },
+};
+
+static struct lbs_debugfs_files debugfs_events_files[] = {
+ {"low_rssi", 0644, FOPS(lbs_lowrssi_read,
+ lbs_lowrssi_write), },
+ {"low_snr", 0644, FOPS(lbs_lowsnr_read,
+ lbs_lowsnr_write), },
+ {"failure_count", 0644, FOPS(lbs_failcount_read,
+ lbs_failcount_write), },
+ {"beacon_missed", 0644, FOPS(lbs_bcnmiss_read,
+ lbs_bcnmiss_write), },
+ {"high_rssi", 0644, FOPS(lbs_highrssi_read,
+ lbs_highrssi_write), },
+ {"high_snr", 0644, FOPS(lbs_highsnr_read,
+ lbs_highsnr_write), },
+};
+
+static struct lbs_debugfs_files debugfs_regs_files[] = {
+ {"rdmac", 0644, FOPS(lbs_rdmac_read, lbs_rdmac_write), },
+ {"wrmac", 0600, FOPS(NULL, lbs_wrmac_write), },
+ {"rdbbp", 0644, FOPS(lbs_rdbbp_read, lbs_rdbbp_write), },
+ {"wrbbp", 0600, FOPS(NULL, lbs_wrbbp_write), },
+ {"rdrf", 0644, FOPS(lbs_rdrf_read, lbs_rdrf_write), },
+ {"wrrf", 0600, FOPS(NULL, lbs_wrrf_write), },
+};
+
+void lbs_debugfs_init(void)
+{
+ if (!lbs_dir)
+ lbs_dir = debugfs_create_dir("lbs_wireless", NULL);
+
+ return;
+}
+
+void lbs_debugfs_remove(void)
+{
+ if (lbs_dir)
+ debugfs_remove(lbs_dir);
+ return;
+}
+
+void lbs_debugfs_init_one(struct lbs_private *priv, struct net_device *dev)
+{
+ int i;
+ struct lbs_debugfs_files *files;
+ if (!lbs_dir)
+ goto exit;
+
+ priv->debugfs_dir = debugfs_create_dir(dev->name, lbs_dir);
+ if (!priv->debugfs_dir)
+ goto exit;
+
+ for (i=0; i<ARRAY_SIZE(debugfs_files); i++) {
+ files = &debugfs_files[i];
+ priv->debugfs_files[i] = debugfs_create_file(files->name,
+ files->perm,
+ priv->debugfs_dir,
+ priv,
+ &files->fops);
+ }
+
+ priv->events_dir = debugfs_create_dir("subscribed_events", priv->debugfs_dir);
+ if (!priv->events_dir)
+ goto exit;
+
+ for (i=0; i<ARRAY_SIZE(debugfs_events_files); i++) {
+ files = &debugfs_events_files[i];
+ priv->debugfs_events_files[i] = debugfs_create_file(files->name,
+ files->perm,
+ priv->events_dir,
+ priv,
+ &files->fops);
+ }
+
+ priv->regs_dir = debugfs_create_dir("registers", priv->debugfs_dir);
+ if (!priv->regs_dir)
+ goto exit;
+
+ for (i=0; i<ARRAY_SIZE(debugfs_regs_files); i++) {
+ files = &debugfs_regs_files[i];
+ priv->debugfs_regs_files[i] = debugfs_create_file(files->name,
+ files->perm,
+ priv->regs_dir,
+ priv,
+ &files->fops);
+ }
+
+#ifdef PROC_DEBUG
+ lbs_debug_init(priv, dev);
+#endif
+exit:
+ return;
+}
+
+void lbs_debugfs_remove_one(struct lbs_private *priv)
+{
+ int i;
+
+ for(i=0; i<ARRAY_SIZE(debugfs_regs_files); i++)
+ debugfs_remove(priv->debugfs_regs_files[i]);
+
+ debugfs_remove(priv->regs_dir);
+
+ for(i=0; i<ARRAY_SIZE(debugfs_events_files); i++)
+ debugfs_remove(priv->debugfs_events_files[i]);
+
+ debugfs_remove(priv->events_dir);
+#ifdef PROC_DEBUG
+ debugfs_remove(priv->debugfs_debug);
+#endif
+ for(i=0; i<ARRAY_SIZE(debugfs_files); i++)
+ debugfs_remove(priv->debugfs_files[i]);
+ debugfs_remove(priv->debugfs_dir);
+}
+
+
+
+/* debug entry */
+
+#ifdef PROC_DEBUG
+
+#define item_size(n) (FIELD_SIZEOF(struct lbs_private, n))
+#define item_addr(n) (offsetof(struct lbs_private, n))
+
+
+struct debug_data {
+ char name[32];
+ u32 size;
+ size_t addr;
+};
+
+/* To debug any member of struct lbs_private, simply add one line here.
+ */
+static struct debug_data items[] = {
+ {"intcounter", item_size(intcounter), item_addr(intcounter)},
+ {"psmode", item_size(psmode), item_addr(psmode)},
+ {"psstate", item_size(psstate), item_addr(psstate)},
+};
+
+static int num_of_items = ARRAY_SIZE(items);
+
+/**
+ * @brief proc read function
+ *
+ * @param page pointer to buffer
+ * @param s read data starting position
+ * @param off offset
+ * @param cnt counter
+ * @param eof end of file flag
+ * @param data data to output
+ * @return number of output data
+ */
+static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ int val = 0;
+ size_t pos = 0;
+ ssize_t res;
+ char *p;
+ int i;
+ struct debug_data *d;
+ unsigned long addr = get_zeroed_page(GFP_KERNEL);
+ char *buf = (char *)addr;
+
+ p = buf;
+
+ d = (struct debug_data *)file->private_data;
+
+ for (i = 0; i < num_of_items; i++) {
+ if (d[i].size == 1)
+ val = *((u8 *) d[i].addr);
+ else if (d[i].size == 2)
+ val = *((u16 *) d[i].addr);
+ else if (d[i].size == 4)
+ val = *((u32 *) d[i].addr);
+ else if (d[i].size == 8)
+ val = *((u64 *) d[i].addr);
+
+ pos += sprintf(p + pos, "%s=%d\n", d[i].name, val);
+ }
+
+ res = simple_read_from_buffer(userbuf, count, ppos, p, pos);
+
+ free_page(addr);
+ return res;
+}
+
+/**
+ * @brief proc write function
+ *
+ * @param f file pointer
+ * @param buf pointer to data buffer
+ * @param cnt data number to write
+ * @param data data to write
+ * @return number of data
+ */
+static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf,
+ size_t cnt, loff_t *ppos)
+{
+ int r, i;
+ char *pdata;
+ char *p;
+ char *p0;
+ char *p1;
+ char *p2;
+ struct debug_data *d = (struct debug_data *)f->private_data;
+
+ pdata = kmalloc(cnt, GFP_KERNEL);
+ if (pdata == NULL)
+ return 0;
+
+ if (copy_from_user(pdata, buf, cnt)) {
+ lbs_deb_debugfs("Copy from user failed\n");
+ kfree(pdata);
+ return 0;
+ }
+
+ p0 = pdata;
+ for (i = 0; i < num_of_items; i++) {
+ do {
+ p = strstr(p0, d[i].name);
+ if (p == NULL)
+ break;
+ p1 = strchr(p, '\n');
+ if (p1 == NULL)
+ break;
+ p0 = p1++;
+ p2 = strchr(p, '=');
+ if (!p2)
+ break;
+ p2++;
+ r = simple_strtoul(p2, NULL, 0);
+ if (d[i].size == 1)
+ *((u8 *) d[i].addr) = (u8) r;
+ else if (d[i].size == 2)
+ *((u16 *) d[i].addr) = (u16) r;
+ else if (d[i].size == 4)
+ *((u32 *) d[i].addr) = (u32) r;
+ else if (d[i].size == 8)
+ *((u64 *) d[i].addr) = (u64) r;
+ break;
+ } while (1);
+ }
+ kfree(pdata);
+
+ return (ssize_t)cnt;
+}
+
+static struct file_operations lbs_debug_fops = {
+ .owner = THIS_MODULE,
+ .open = open_file_generic,
+ .write = lbs_debugfs_write,
+ .read = lbs_debugfs_read,
+};
+
+/**
+ * @brief create debug proc file
+ *
+ * @param priv pointer struct lbs_private
+ * @param dev pointer net_device
+ * @return N/A
+ */
+static void lbs_debug_init(struct lbs_private *priv, struct net_device *dev)
+{
+ int i;
+
+ if (!priv->debugfs_dir)
+ return;
+
+ for (i = 0; i < num_of_items; i++)
+ items[i].addr += (size_t) priv;
+
+ priv->debugfs_debug = debugfs_create_file("debug", 0644,
+ priv->debugfs_dir, &items[0],
+ &lbs_debug_fops);
+}
+#endif