| #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 <linux/slab.h> |
| #include <net/iw_handler.h> |
| #include <net/lib80211.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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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_SSID_BUF(ssid); |
| struct bss_descriptor * iter_bss; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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 | %pM |", |
| numscansdone, iter_bss->channel, iter_bss->rssi, |
| 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", |
| print_ssid(ssid, 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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 mrvl_ie_header *tlv_h; |
| uint16_t length; |
| ssize_t pos = 0; |
| |
| while (pos < size) { |
| tlv_h = (struct mrvl_ie_header *) 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 mrvl_ie_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 mrvl_ie_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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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); |
| if (!ret) { |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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); |
| |
| if (!res) |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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); |
| if (!ret) { |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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); |
| |
| if (!res) |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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); |
| if (!ret) { |
| 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| buf_size = min(count, len - 1); |
| if (copy_from_user(buf, userbuf, buf_size)) { |
| res = -EFAULT; |
| goto out_unlock; |
| } |
| priv->rf_offset = simple_strtoul(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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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); |
| |
| if (!res) |
| 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 { |
| const char *name; |
| int perm; |
| struct file_operations fops; |
| }; |
| |
| static const 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 const 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 const 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; |
| const 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; |
| if (!buf) |
| return -ENOMEM; |
| |
| 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 const 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 |