diff options
Diffstat (limited to 'package/libertas/src/debugfs.c')
| -rw-r--r-- | package/libertas/src/debugfs.c | 1163 |
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 |