diff options
Diffstat (limited to 'drivers/net/wireless/libertas/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/libertas/debugfs.c | 258 |
1 files changed, 121 insertions, 137 deletions
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index 587b0cb0088..cc6a0a586f0 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -1,17 +1,15 @@ -#include <linux/module.h> #include <linux/dcache.h> #include <linux/debugfs.h> #include <linux/delay.h> +#include <linux/hardirq.h> #include <linux/mm.h> #include <linux/string.h> -#include <net/iw_handler.h> -#include <net/lib80211.h> +#include <linux/slab.h> +#include <linux/export.h> -#include "dev.h" #include "decl.h" -#include "host.h" -#include "debugfs.h" #include "cmd.h" +#include "debugfs.h" static struct dentry *lbs_dir; static char *szStates[] = { @@ -23,12 +21,6 @@ static char *szStates[] = { 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) { @@ -59,51 +51,6 @@ static ssize_t lbs_dev_info(struct file *file, char __user *userbuf, 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) @@ -173,6 +120,71 @@ out_unlock: return ret; } +static ssize_t lbs_host_sleep_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; + int host_sleep; + 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", &host_sleep); + if (ret != 1) { + ret = -EINVAL; + goto out_unlock; + } + + if (host_sleep == 0) + ret = lbs_set_host_sleep(priv, 0); + else if (host_sleep == 1) { + if (priv->wol_criteria == EHS_REMOVE_WAKEUP) { + netdev_info(priv->dev, + "wake parameters not configured\n"); + ret = -EINVAL; + goto out_unlock; + } + ret = lbs_set_host_sleep(priv, 1); + } else { + netdev_err(priv->dev, "invalid option\n"); + ret = -EINVAL; + } + + if (!ret) + ret = count; + +out_unlock: + free_page(addr); + return ret; +} + +static ssize_t lbs_host_sleep_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; + unsigned long addr = get_zeroed_page(GFP_KERNEL); + char *buf = (char *)addr; + if (!buf) + return -ENOMEM; + + pos += snprintf(buf, len, "%d\n", priv->is_host_sleep_activated); + + ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); + + 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 @@ -431,30 +443,24 @@ static ssize_t lbs_bcnmiss_write(struct file *file, const char __user *userbuf, } - 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; + u32 val = 0; + 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); + ret = lbs_get_reg(priv, CMD_MAC_REG_ACCESS, priv->mac_offset, &val); mdelay(10); if (!ret) { - pos += snprintf(buf+pos, len-pos, "MAC[0x%x] = 0x%08x\n", - priv->mac_offset, priv->offsetvalue.value); - + pos = snprintf(buf, len, "MAC[0x%x] = 0x%08x\n", + priv->mac_offset, val); ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); } free_page(addr); @@ -477,7 +483,7 @@ static ssize_t lbs_rdmac_write(struct file *file, res = -EFAULT; goto out_unlock; } - priv->mac_offset = simple_strtoul((char *)buf, NULL, 16); + priv->mac_offset = simple_strtoul(buf, NULL, 16); res = count; out_unlock: free_page(addr); @@ -492,7 +498,6 @@ static ssize_t lbs_wrmac_write(struct file *file, 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) @@ -509,11 +514,7 @@ static ssize_t lbs_wrmac_write(struct file *file, 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); + res = lbs_set_reg(priv, CMD_MAC_REG_ACCESS, offset, value); mdelay(10); if (!res) @@ -527,25 +528,20 @@ 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; + u32 val; + 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); + ret = lbs_get_reg(priv, CMD_BBP_REG_ACCESS, priv->bbp_offset, &val); mdelay(10); if (!ret) { - pos += snprintf(buf+pos, len-pos, "BBP[0x%x] = 0x%08x\n", - priv->bbp_offset, priv->offsetvalue.value); - + pos = snprintf(buf, len, "BBP[0x%x] = 0x%08x\n", + priv->bbp_offset, val); ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); } free_page(addr); @@ -569,7 +565,7 @@ static ssize_t lbs_rdbbp_write(struct file *file, res = -EFAULT; goto out_unlock; } - priv->bbp_offset = simple_strtoul((char *)buf, NULL, 16); + priv->bbp_offset = simple_strtoul(buf, NULL, 16); res = count; out_unlock: free_page(addr); @@ -584,7 +580,6 @@ static ssize_t lbs_wrbbp_write(struct file *file, 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) @@ -601,11 +596,7 @@ static ssize_t lbs_wrbbp_write(struct file *file, 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); + res = lbs_set_reg(priv, CMD_BBP_REG_ACCESS, offset, value); mdelay(10); if (!res) @@ -619,25 +610,20 @@ 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; + u32 val; + 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); + ret = lbs_get_reg(priv, CMD_RF_REG_ACCESS, priv->rf_offset, &val); mdelay(10); if (!ret) { - pos += snprintf(buf+pos, len-pos, "RF[0x%x] = 0x%08x\n", - priv->rf_offset, priv->offsetvalue.value); - + pos = snprintf(buf, len, "RF[0x%x] = 0x%08x\n", + priv->rf_offset, val); ret = simple_read_from_buffer(userbuf, count, ppos, buf, pos); } free_page(addr); @@ -676,7 +662,6 @@ static ssize_t lbs_wrrf_write(struct file *file, 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) @@ -693,11 +678,7 @@ static ssize_t lbs_wrrf_write(struct file *file, 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); + res = lbs_set_reg(priv, CMD_RF_REG_ACCESS, offset, value); mdelay(10); if (!res) @@ -709,23 +690,24 @@ out_unlock: #define FOPS(fread, fwrite) { \ .owner = THIS_MODULE, \ - .open = open_file_generic, \ + .open = simple_open, \ .read = (fread), \ .write = (fwrite), \ + .llseek = generic_file_llseek, \ } struct lbs_debugfs_files { const char *name; - int perm; + umode_t 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), }, + { "hostsleep", 0644, FOPS(lbs_host_sleep_read, + lbs_host_sleep_write), }, }; static const struct lbs_debugfs_files debugfs_events_files[] = { @@ -756,15 +738,12 @@ 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) @@ -867,15 +846,14 @@ static struct debug_data items[] = { static int num_of_items = ARRAY_SIZE(items); /** - * @brief proc read function + * lbs_debugfs_read - 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 + * @file: file to read + * @userbuf: pointer to buffer + * @count: number of bytes to read + * @ppos: read data starting position + * + * returns: amount of data read or negative error code */ static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf, size_t count, loff_t *ppos) @@ -893,7 +871,7 @@ static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf, p = buf; - d = (struct debug_data *)file->private_data; + d = file->private_data; for (i = 0; i < num_of_items; i++) { if (d[i].size == 1) @@ -915,13 +893,14 @@ static ssize_t lbs_debugfs_read(struct file *file, char __user *userbuf, } /** - * @brief proc write function + * lbs_debugfs_write - proc write function + * + * @f: file pointer + * @buf: pointer to data buffer + * @cnt: data number to write + * @ppos: file position * - * @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 + * returns: amount of data written */ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, size_t cnt, loff_t *ppos) @@ -932,9 +911,12 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, char *p0; char *p1; char *p2; - struct debug_data *d = (struct debug_data *)f->private_data; + struct debug_data *d = f->private_data; - pdata = kmalloc(cnt, GFP_KERNEL); + if (cnt == 0) + return 0; + + pdata = kmalloc(cnt + 1, GFP_KERNEL); if (pdata == NULL) return 0; @@ -943,6 +925,7 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, kfree(pdata); return 0; } + pdata[cnt] = '\0'; p0 = pdata; for (i = 0; i < num_of_items; i++) { @@ -977,17 +960,18 @@ static ssize_t lbs_debugfs_write(struct file *f, const char __user *buf, static const struct file_operations lbs_debug_fops = { .owner = THIS_MODULE, - .open = open_file_generic, + .open = simple_open, .write = lbs_debugfs_write, .read = lbs_debugfs_read, + .llseek = default_llseek, }; /** - * @brief create debug proc file + * lbs_debug_init - create debug proc file + * + * @priv: pointer to &struct lbs_private * - * @param priv pointer struct lbs_private - * @param dev pointer net_device - * @return N/A + * returns: N/A */ static void lbs_debug_init(struct lbs_private *priv) { |