diff options
Diffstat (limited to 'package/libertas/src/debugfs.c')
| -rw-r--r-- | package/libertas/src/debugfs.c | 968 |
1 files changed, 0 insertions, 968 deletions
diff --git a/package/libertas/src/debugfs.c b/package/libertas/src/debugfs.c deleted file mode 100644 index 0aa0ce3b2c..0000000000 --- a/package/libertas/src/debugfs.c +++ /dev/null @@ -1,968 +0,0 @@ -#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" -#include "cmd.h" - -static struct dentry *lbs_dir; -static char *szStates[] = { - "Connected", - "Disconnected" -}; - -#ifdef PROC_DEBUG -static void lbs_debug_init(struct lbs_private *priv); -#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 | %04d | %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, ret; - struct sleep_params sp; - 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)) { - ret = -EFAULT; - goto out_unlock; - } - ret = sscanf(buf, "%d %d %d %d %d %d", &p1, &p2, &p3, &p4, &p5, &p6); - if (ret != 6) { - ret = -EINVAL; - goto out_unlock; - } - sp.sp_error = p1; - sp.sp_offset = p2; - sp.sp_stabletime = p3; - sp.sp_calcontrol = p4; - sp.sp_extsleepclk = p5; - sp.sp_reserved = p6; - - ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_SET, &sp); - if (!ret) - ret = count; - else if (ret > 0) - ret = -EINVAL; - -out_unlock: - free_page(addr); - return ret; -} - -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 ret; - size_t pos = 0; - struct sleep_params sp; - unsigned long addr = get_zeroed_page(GFP_KERNEL); - char *buf = (char *)addr; - - ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp); - if (ret) - goto out_unlock; - - pos += snprintf(buf, len, "%d %d %d %d %d %d\n", sp.sp_error, - sp.sp_offset, sp.sp_stabletime, - sp.sp_calcontrol, sp.sp_extsleepclk, - sp.sp_reserved); - - ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - -out_unlock: - free_page(addr); - return ret; -} - -/* - * 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(uint16_t tlv_type, const uint8_t *tlv, uint16_t size) -{ - struct mrvlietypesheader *tlv_h; - uint16_t length; - ssize_t pos = 0; - - while (pos < size) { - tlv_h = (struct mrvlietypesheader *) tlv; - if (!tlv_h->len) - return NULL; - if (tlv_h->type == cpu_to_le16(tlv_type)) - return tlv_h; - length = le16_to_cpu(tlv_h->len) + sizeof(*tlv_h); - pos += length; - tlv += length; - } - return NULL; -} - - -static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask, - struct file *file, char __user *userbuf, - size_t count, loff_t *ppos) -{ - struct cmd_ds_802_11_subscribe_event *subscribed; - struct mrvlietypes_thresholds *got; - struct lbs_private *priv = file->private_data; - ssize_t ret = 0; - size_t pos = 0; - char *buf; - u8 value; - u8 freq; - int events = 0; - - buf = (char *)get_zeroed_page(GFP_KERNEL); - if (!buf) - return -ENOMEM; - - subscribed = kzalloc(sizeof(*subscribed), GFP_KERNEL); - if (!subscribed) { - ret = -ENOMEM; - goto out_page; - } - - subscribed->hdr.size = cpu_to_le16(sizeof(*subscribed)); - subscribed->action = cpu_to_le16(CMD_ACT_GET); - - ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, subscribed); - if (ret) - goto out_cmd; - - 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); - - pos += snprintf(buf, len, "%d %d %d\n", value, freq, - !!(events & event_mask)); - } - - ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); - - out_cmd: - kfree(subscribed); - - out_page: - free_page((unsigned long)buf); - return ret; -} - - -static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask, - struct file *file, - const char __user *userbuf, size_t count, - loff_t *ppos) -{ - struct cmd_ds_802_11_subscribe_event *events; - struct mrvlietypes_thresholds *tlv; - struct lbs_private *priv = file->private_data; - ssize_t buf_size; - int value, freq, new_mask; - uint16_t curr_mask; - char *buf; - int ret; - - 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)) { - ret = -EFAULT; - goto out_page; - } - ret = sscanf(buf, "%d %d %d", &value, &freq, &new_mask); - if (ret != 3) { - ret = -EINVAL; - goto out_page; - } - events = kzalloc(sizeof(*events), GFP_KERNEL); - if (!events) { - ret = -ENOMEM; - goto out_page; - } - - events->hdr.size = cpu_to_le16(sizeof(*events)); - events->action = cpu_to_le16(CMD_ACT_GET); - - ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events); - if (ret) - goto out_events; - - curr_mask = le16_to_cpu(events->events); - - 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 */ - - tlv = (void *)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(*tlv) - sizeof(tlv->header)); - tlv->value = value; - if (tlv_type != TLV_TYPE_BCNMISS) - tlv->freq = freq; - - /* The command header, the action, the event mask, and one TLV */ - events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 4 + sizeof(*tlv)); - - ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events); - - if (!ret) - ret = count; - out_events: - kfree(events); - out_page: - free_page((unsigned long)buf); - return ret; -} - - -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), }, -}; - -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); -#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[] = { - {"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) -{ - 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 |